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> 37d14133ddSMark Zhang #include <rdma/rdma_counter.h> 38c2e53b2cSYishai Hadas #include <linux/mlx5/fs.h> 39e126ba97SEli Cohen #include "mlx5_ib.h" 40b96c9ddeSMark Bloch #include "ib_rep.h" 41443c1cf9SYishai Hadas #include "cmd.h" 42e126ba97SEli Cohen 43e126ba97SEli Cohen /* not supported currently */ 44e126ba97SEli Cohen static int wq_signature; 45e126ba97SEli Cohen 46e126ba97SEli Cohen enum { 47e126ba97SEli Cohen MLX5_IB_ACK_REQ_FREQ = 8, 48e126ba97SEli Cohen }; 49e126ba97SEli Cohen 50e126ba97SEli Cohen enum { 51e126ba97SEli Cohen MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, 52e126ba97SEli Cohen MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, 53e126ba97SEli Cohen MLX5_IB_LINK_TYPE_IB = 0, 54e126ba97SEli Cohen MLX5_IB_LINK_TYPE_ETH = 1 55e126ba97SEli Cohen }; 56e126ba97SEli Cohen 57e126ba97SEli Cohen enum { 58e126ba97SEli Cohen MLX5_IB_SQ_STRIDE = 6, 59064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD = 64, 60e126ba97SEli Cohen }; 61e126ba97SEli Cohen 62e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = { 63e126ba97SEli Cohen [IB_WR_SEND] = MLX5_OPCODE_SEND, 64f0313965SErez Shitrit [IB_WR_LSO] = MLX5_OPCODE_LSO, 65e126ba97SEli Cohen [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, 66e126ba97SEli Cohen [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, 67e126ba97SEli Cohen [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, 68e126ba97SEli Cohen [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, 69e126ba97SEli Cohen [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, 70e126ba97SEli Cohen [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, 71e126ba97SEli Cohen [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, 72e126ba97SEli Cohen [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, 738a187ee5SSagi Grimberg [IB_WR_REG_MR] = MLX5_OPCODE_UMR, 74e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, 75e126ba97SEli Cohen [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, 76e126ba97SEli Cohen [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, 77e126ba97SEli Cohen }; 78e126ba97SEli Cohen 79f0313965SErez Shitrit struct mlx5_wqe_eth_pad { 80f0313965SErez Shitrit u8 rsvd0[16]; 81f0313965SErez Shitrit }; 82e126ba97SEli Cohen 83eb49ab0cSAlex Vesker enum raw_qp_set_mask_map { 84eb49ab0cSAlex Vesker MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, 857d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, 86eb49ab0cSAlex Vesker }; 87eb49ab0cSAlex Vesker 880680efa2SAlex Vesker struct mlx5_modify_raw_qp_param { 890680efa2SAlex Vesker u16 operation; 90eb49ab0cSAlex Vesker 91eb49ab0cSAlex Vesker u32 set_mask; /* raw_qp_set_mask_map */ 9261147f39SBodong Wang 9361147f39SBodong Wang struct mlx5_rate_limit rl; 9461147f39SBodong Wang 95eb49ab0cSAlex Vesker u8 rq_q_ctr_id; 96d5ed8ac3SMark Bloch u16 port; 970680efa2SAlex Vesker }; 980680efa2SAlex Vesker 9989ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 10089ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 10189ea94a7SMaor Gottlieb struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); 10289ea94a7SMaor Gottlieb 103e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type) 104e126ba97SEli Cohen { 105e126ba97SEli Cohen return qp_type == IB_QPT_SMI; 106e126ba97SEli Cohen } 107e126ba97SEli Cohen 108e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type) 109e126ba97SEli Cohen { 110e126ba97SEli Cohen return is_qp0(qp_type) || is_qp1(qp_type); 111e126ba97SEli Cohen } 112e126ba97SEli Cohen 113c1395a2aSHaggai Eran /** 114fbeb4075SMoni Shoua * mlx5_ib_read_user_wqe_common() - Copy a WQE (or part of) from user WQ 115fbeb4075SMoni Shoua * to kernel buffer 116c1395a2aSHaggai Eran * 117fbeb4075SMoni Shoua * @umem: User space memory where the WQ is 118fbeb4075SMoni Shoua * @buffer: buffer to copy to 119fbeb4075SMoni Shoua * @buflen: buffer length 120fbeb4075SMoni Shoua * @wqe_index: index of WQE to copy from 121fbeb4075SMoni Shoua * @wq_offset: offset to start of WQ 122fbeb4075SMoni Shoua * @wq_wqe_cnt: number of WQEs in WQ 123fbeb4075SMoni Shoua * @wq_wqe_shift: log2 of WQE size 124fbeb4075SMoni Shoua * @bcnt: number of bytes to copy 125fbeb4075SMoni Shoua * @bytes_copied: number of bytes to copy (return value) 126c1395a2aSHaggai Eran * 127fbeb4075SMoni Shoua * Copies from start of WQE bcnt or less bytes. 128fbeb4075SMoni Shoua * Does not gurantee to copy the entire WQE. 129c1395a2aSHaggai Eran * 130fbeb4075SMoni Shoua * Return: zero on success, or an error code. 131c1395a2aSHaggai Eran */ 132fbeb4075SMoni Shoua static int mlx5_ib_read_user_wqe_common(struct ib_umem *umem, 133fbeb4075SMoni Shoua void *buffer, 134fbeb4075SMoni Shoua u32 buflen, 135fbeb4075SMoni Shoua int wqe_index, 136fbeb4075SMoni Shoua int wq_offset, 137fbeb4075SMoni Shoua int wq_wqe_cnt, 138fbeb4075SMoni Shoua int wq_wqe_shift, 139fbeb4075SMoni Shoua int bcnt, 140fbeb4075SMoni Shoua size_t *bytes_copied) 141c1395a2aSHaggai Eran { 142fbeb4075SMoni Shoua size_t offset = wq_offset + ((wqe_index % wq_wqe_cnt) << wq_wqe_shift); 143fbeb4075SMoni Shoua size_t wq_end = wq_offset + (wq_wqe_cnt << wq_wqe_shift); 144fbeb4075SMoni Shoua size_t copy_length; 145c1395a2aSHaggai Eran int ret; 146c1395a2aSHaggai Eran 147fbeb4075SMoni Shoua /* don't copy more than requested, more than buffer length or 148fbeb4075SMoni Shoua * beyond WQ end 149fbeb4075SMoni Shoua */ 150fbeb4075SMoni Shoua copy_length = min_t(u32, buflen, wq_end - offset); 151fbeb4075SMoni Shoua copy_length = min_t(u32, copy_length, bcnt); 152c1395a2aSHaggai Eran 153fbeb4075SMoni Shoua ret = ib_umem_copy_from(buffer, umem, offset, copy_length); 154c1395a2aSHaggai Eran if (ret) 155c1395a2aSHaggai Eran return ret; 156c1395a2aSHaggai Eran 157fbeb4075SMoni Shoua if (!ret && bytes_copied) 158fbeb4075SMoni Shoua *bytes_copied = copy_length; 159c1395a2aSHaggai Eran 160fbeb4075SMoni Shoua return 0; 161fbeb4075SMoni Shoua } 162fbeb4075SMoni Shoua 163fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, 164fbeb4075SMoni Shoua int wqe_index, 165fbeb4075SMoni Shoua void *buffer, 166fbeb4075SMoni Shoua int buflen, 167fbeb4075SMoni Shoua size_t *bc) 168fbeb4075SMoni Shoua { 169fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 170fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 171fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->sq; 172fbeb4075SMoni Shoua struct mlx5_wqe_ctrl_seg *ctrl; 173fbeb4075SMoni Shoua size_t bytes_copied; 174fbeb4075SMoni Shoua size_t bytes_copied2; 175fbeb4075SMoni Shoua size_t wqe_length; 176fbeb4075SMoni Shoua int ret; 177fbeb4075SMoni Shoua int ds; 178fbeb4075SMoni Shoua 179fbeb4075SMoni Shoua if (buflen < sizeof(*ctrl)) 180fbeb4075SMoni Shoua return -EINVAL; 181fbeb4075SMoni Shoua 182fbeb4075SMoni Shoua /* at first read as much as possible */ 183fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 184fbeb4075SMoni Shoua buffer, 185fbeb4075SMoni Shoua buflen, 186fbeb4075SMoni Shoua wqe_index, 187fbeb4075SMoni Shoua wq->offset, 188fbeb4075SMoni Shoua wq->wqe_cnt, 189fbeb4075SMoni Shoua wq->wqe_shift, 190fbeb4075SMoni Shoua buflen, 191fbeb4075SMoni Shoua &bytes_copied); 192fbeb4075SMoni Shoua if (ret) 193fbeb4075SMoni Shoua return ret; 194fbeb4075SMoni Shoua 195fbeb4075SMoni Shoua /* we need at least control segment size to proceed */ 196fbeb4075SMoni Shoua if (bytes_copied < sizeof(*ctrl)) 197fbeb4075SMoni Shoua return -EINVAL; 198fbeb4075SMoni Shoua 199fbeb4075SMoni Shoua ctrl = buffer; 200fbeb4075SMoni Shoua ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; 201c1395a2aSHaggai Eran wqe_length = ds * MLX5_WQE_DS_UNITS; 202fbeb4075SMoni Shoua 203fbeb4075SMoni Shoua /* if we copied enough then we are done */ 204fbeb4075SMoni Shoua if (bytes_copied >= wqe_length) { 205fbeb4075SMoni Shoua *bc = bytes_copied; 206fbeb4075SMoni Shoua return 0; 207c1395a2aSHaggai Eran } 208c1395a2aSHaggai Eran 209fbeb4075SMoni Shoua /* otherwise this a wrapped around wqe 210fbeb4075SMoni Shoua * so read the remaining bytes starting 211fbeb4075SMoni Shoua * from wqe_index 0 212fbeb4075SMoni Shoua */ 213fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 214fbeb4075SMoni Shoua buffer + bytes_copied, 215fbeb4075SMoni Shoua buflen - bytes_copied, 216fbeb4075SMoni Shoua 0, 217fbeb4075SMoni Shoua wq->offset, 218fbeb4075SMoni Shoua wq->wqe_cnt, 219fbeb4075SMoni Shoua wq->wqe_shift, 220fbeb4075SMoni Shoua wqe_length - bytes_copied, 221fbeb4075SMoni Shoua &bytes_copied2); 222c1395a2aSHaggai Eran 223c1395a2aSHaggai Eran if (ret) 224c1395a2aSHaggai Eran return ret; 225fbeb4075SMoni Shoua *bc = bytes_copied + bytes_copied2; 226fbeb4075SMoni Shoua return 0; 227fbeb4075SMoni Shoua } 228c1395a2aSHaggai Eran 229fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, 230fbeb4075SMoni Shoua int wqe_index, 231fbeb4075SMoni Shoua void *buffer, 232fbeb4075SMoni Shoua int buflen, 233fbeb4075SMoni Shoua size_t *bc) 234fbeb4075SMoni Shoua { 235fbeb4075SMoni Shoua struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 236fbeb4075SMoni Shoua struct ib_umem *umem = base->ubuffer.umem; 237fbeb4075SMoni Shoua struct mlx5_ib_wq *wq = &qp->rq; 238fbeb4075SMoni Shoua size_t bytes_copied; 239fbeb4075SMoni Shoua int ret; 240fbeb4075SMoni Shoua 241fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 242fbeb4075SMoni Shoua buffer, 243fbeb4075SMoni Shoua buflen, 244fbeb4075SMoni Shoua wqe_index, 245fbeb4075SMoni Shoua wq->offset, 246fbeb4075SMoni Shoua wq->wqe_cnt, 247fbeb4075SMoni Shoua wq->wqe_shift, 248fbeb4075SMoni Shoua buflen, 249fbeb4075SMoni Shoua &bytes_copied); 250fbeb4075SMoni Shoua 251fbeb4075SMoni Shoua if (ret) 252fbeb4075SMoni Shoua return ret; 253fbeb4075SMoni Shoua *bc = bytes_copied; 254fbeb4075SMoni Shoua return 0; 255fbeb4075SMoni Shoua } 256fbeb4075SMoni Shoua 257fbeb4075SMoni Shoua int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, 258fbeb4075SMoni Shoua int wqe_index, 259fbeb4075SMoni Shoua void *buffer, 260fbeb4075SMoni Shoua int buflen, 261fbeb4075SMoni Shoua size_t *bc) 262fbeb4075SMoni Shoua { 263fbeb4075SMoni Shoua struct ib_umem *umem = srq->umem; 264fbeb4075SMoni Shoua size_t bytes_copied; 265fbeb4075SMoni Shoua int ret; 266fbeb4075SMoni Shoua 267fbeb4075SMoni Shoua ret = mlx5_ib_read_user_wqe_common(umem, 268fbeb4075SMoni Shoua buffer, 269fbeb4075SMoni Shoua buflen, 270fbeb4075SMoni Shoua wqe_index, 271fbeb4075SMoni Shoua 0, 272fbeb4075SMoni Shoua srq->msrq.max, 273fbeb4075SMoni Shoua srq->msrq.wqe_shift, 274fbeb4075SMoni Shoua buflen, 275fbeb4075SMoni Shoua &bytes_copied); 276fbeb4075SMoni Shoua 277fbeb4075SMoni Shoua if (ret) 278fbeb4075SMoni Shoua return ret; 279fbeb4075SMoni Shoua *bc = bytes_copied; 280fbeb4075SMoni Shoua return 0; 281c1395a2aSHaggai Eran } 282c1395a2aSHaggai Eran 283e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) 284e126ba97SEli Cohen { 285e126ba97SEli Cohen struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; 286e126ba97SEli Cohen struct ib_event event; 287e126ba97SEli Cohen 28819098df2Smajd@mellanox.com if (type == MLX5_EVENT_TYPE_PATH_MIG) { 28919098df2Smajd@mellanox.com /* This event is only valid for trans_qps */ 29019098df2Smajd@mellanox.com to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; 29119098df2Smajd@mellanox.com } 292e126ba97SEli Cohen 293e126ba97SEli Cohen if (ibqp->event_handler) { 294e126ba97SEli Cohen event.device = ibqp->device; 295e126ba97SEli Cohen event.element.qp = ibqp; 296e126ba97SEli Cohen switch (type) { 297e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG: 298e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG; 299e126ba97SEli Cohen break; 300e126ba97SEli Cohen case MLX5_EVENT_TYPE_COMM_EST: 301e126ba97SEli Cohen event.event = IB_EVENT_COMM_EST; 302e126ba97SEli Cohen break; 303e126ba97SEli Cohen case MLX5_EVENT_TYPE_SQ_DRAINED: 304e126ba97SEli Cohen event.event = IB_EVENT_SQ_DRAINED; 305e126ba97SEli Cohen break; 306e126ba97SEli Cohen case MLX5_EVENT_TYPE_SRQ_LAST_WQE: 307e126ba97SEli Cohen event.event = IB_EVENT_QP_LAST_WQE_REACHED; 308e126ba97SEli Cohen break; 309e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 310e126ba97SEli Cohen event.event = IB_EVENT_QP_FATAL; 311e126ba97SEli Cohen break; 312e126ba97SEli Cohen case MLX5_EVENT_TYPE_PATH_MIG_FAILED: 313e126ba97SEli Cohen event.event = IB_EVENT_PATH_MIG_ERR; 314e126ba97SEli Cohen break; 315e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: 316e126ba97SEli Cohen event.event = IB_EVENT_QP_REQ_ERR; 317e126ba97SEli Cohen break; 318e126ba97SEli Cohen case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: 319e126ba97SEli Cohen event.event = IB_EVENT_QP_ACCESS_ERR; 320e126ba97SEli Cohen break; 321e126ba97SEli Cohen default: 322e126ba97SEli Cohen pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); 323e126ba97SEli Cohen return; 324e126ba97SEli Cohen } 325e126ba97SEli Cohen 326e126ba97SEli Cohen ibqp->event_handler(&event, ibqp->qp_context); 327e126ba97SEli Cohen } 328e126ba97SEli Cohen } 329e126ba97SEli Cohen 330e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, 331e126ba97SEli Cohen int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) 332e126ba97SEli Cohen { 333e126ba97SEli Cohen int wqe_size; 334e126ba97SEli Cohen int wq_size; 335e126ba97SEli Cohen 336e126ba97SEli Cohen /* Sanity check RQ size before proceeding */ 337938fe83cSSaeed Mahameed if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) 338e126ba97SEli Cohen return -EINVAL; 339e126ba97SEli Cohen 340e126ba97SEli Cohen if (!has_rq) { 341e126ba97SEli Cohen qp->rq.max_gs = 0; 342e126ba97SEli Cohen qp->rq.wqe_cnt = 0; 343e126ba97SEli Cohen qp->rq.wqe_shift = 0; 3440540d814SNoa Osherovich cap->max_recv_wr = 0; 3450540d814SNoa Osherovich cap->max_recv_sge = 0; 346e126ba97SEli Cohen } else { 347e126ba97SEli Cohen if (ucmd) { 348e126ba97SEli Cohen qp->rq.wqe_cnt = ucmd->rq_wqe_count; 349002bf228SLeon Romanovsky if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift)) 350002bf228SLeon Romanovsky return -EINVAL; 351e126ba97SEli Cohen qp->rq.wqe_shift = ucmd->rq_wqe_shift; 352002bf228SLeon Romanovsky if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig) 353002bf228SLeon Romanovsky return -EINVAL; 354e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 355e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 356e126ba97SEli Cohen } else { 357e126ba97SEli Cohen wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; 358e126ba97SEli Cohen wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); 359e126ba97SEli Cohen wqe_size = roundup_pow_of_two(wqe_size); 360e126ba97SEli Cohen wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; 361e126ba97SEli Cohen wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); 362e126ba97SEli Cohen qp->rq.wqe_cnt = wq_size / wqe_size; 363938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { 364e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", 365e126ba97SEli Cohen wqe_size, 366938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, 367938fe83cSSaeed Mahameed max_wqe_sz_rq)); 368e126ba97SEli Cohen return -EINVAL; 369e126ba97SEli Cohen } 370e126ba97SEli Cohen qp->rq.wqe_shift = ilog2(wqe_size); 371e126ba97SEli Cohen qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; 372e126ba97SEli Cohen qp->rq.max_post = qp->rq.wqe_cnt; 373e126ba97SEli Cohen } 374e126ba97SEli Cohen } 375e126ba97SEli Cohen 376e126ba97SEli Cohen return 0; 377e126ba97SEli Cohen } 378e126ba97SEli Cohen 379f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr) 380e126ba97SEli Cohen { 381618af384SAndi Shyti int size = 0; 382e126ba97SEli Cohen 383f0313965SErez Shitrit switch (attr->qp_type) { 384e126ba97SEli Cohen case IB_QPT_XRC_INI: 385b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_xrc_seg); 386e126ba97SEli Cohen /* fall through */ 387e126ba97SEli Cohen case IB_QPT_RC: 388e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 38975c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_atomic_seg) + 39075c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_raddr_seg), 39175c1657eSLeon Romanovsky sizeof(struct mlx5_wqe_umr_ctrl_seg) + 392064e5262SIdan Burstein sizeof(struct mlx5_mkey_seg) + 393064e5262SIdan Burstein MLX5_IB_SQ_UMR_INLINE_THRESHOLD / 394064e5262SIdan Burstein MLX5_IB_UMR_OCTOWORD); 395e126ba97SEli Cohen break; 396e126ba97SEli Cohen 397b125a54bSEli Cohen case IB_QPT_XRC_TGT: 398b125a54bSEli Cohen return 0; 399b125a54bSEli Cohen 400e126ba97SEli Cohen case IB_QPT_UC: 401b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 40275c1657eSLeon Romanovsky max(sizeof(struct mlx5_wqe_raddr_seg), 4039e65dc37SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 40475c1657eSLeon Romanovsky sizeof(struct mlx5_mkey_seg)); 405e126ba97SEli Cohen break; 406e126ba97SEli Cohen 407e126ba97SEli Cohen case IB_QPT_UD: 408f0313965SErez Shitrit if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) 409f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) + 410f0313965SErez Shitrit sizeof(struct mlx5_wqe_eth_seg); 411f0313965SErez Shitrit /* fall through */ 412e126ba97SEli Cohen case IB_QPT_SMI: 413d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 414b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 415e126ba97SEli Cohen sizeof(struct mlx5_wqe_datagram_seg); 416e126ba97SEli Cohen break; 417e126ba97SEli Cohen 418e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 419b125a54bSEli Cohen size += sizeof(struct mlx5_wqe_ctrl_seg) + 420e126ba97SEli Cohen sizeof(struct mlx5_wqe_umr_ctrl_seg) + 421e126ba97SEli Cohen sizeof(struct mlx5_mkey_seg); 422e126ba97SEli Cohen break; 423e126ba97SEli Cohen 424e126ba97SEli Cohen default: 425e126ba97SEli Cohen return -EINVAL; 426e126ba97SEli Cohen } 427e126ba97SEli Cohen 428e126ba97SEli Cohen return size; 429e126ba97SEli Cohen } 430e126ba97SEli Cohen 431e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr) 432e126ba97SEli Cohen { 433e126ba97SEli Cohen int inl_size = 0; 434e126ba97SEli Cohen int size; 435e126ba97SEli Cohen 436f0313965SErez Shitrit size = sq_overhead(attr); 437e126ba97SEli Cohen if (size < 0) 438e126ba97SEli Cohen return size; 439e126ba97SEli Cohen 440e126ba97SEli Cohen if (attr->cap.max_inline_data) { 441e126ba97SEli Cohen inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + 442e126ba97SEli Cohen attr->cap.max_inline_data; 443e126ba97SEli Cohen } 444e126ba97SEli Cohen 445e126ba97SEli Cohen size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); 446c0a6cbb9SIsrael Rukshin if (attr->create_flags & IB_QP_CREATE_INTEGRITY_EN && 447e1e66cc2SSagi Grimberg ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) 448e1e66cc2SSagi Grimberg return MLX5_SIG_WQE_SIZE; 449e1e66cc2SSagi Grimberg else 450e126ba97SEli Cohen return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); 451e126ba97SEli Cohen } 452e126ba97SEli Cohen 453288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) 454288c01b7SEli Cohen { 455288c01b7SEli Cohen int max_sge; 456288c01b7SEli Cohen 457288c01b7SEli Cohen if (attr->qp_type == IB_QPT_RC) 458288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 459288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 460288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 461288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 462288c01b7SEli Cohen else if (attr->qp_type == IB_QPT_XRC_INI) 463288c01b7SEli Cohen max_sge = (min_t(int, wqe_size, 512) - 464288c01b7SEli Cohen sizeof(struct mlx5_wqe_ctrl_seg) - 465288c01b7SEli Cohen sizeof(struct mlx5_wqe_xrc_seg) - 466288c01b7SEli Cohen sizeof(struct mlx5_wqe_raddr_seg)) / 467288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 468288c01b7SEli Cohen else 469288c01b7SEli Cohen max_sge = (wqe_size - sq_overhead(attr)) / 470288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg); 471288c01b7SEli Cohen 472288c01b7SEli Cohen return min_t(int, max_sge, wqe_size - sq_overhead(attr) / 473288c01b7SEli Cohen sizeof(struct mlx5_wqe_data_seg)); 474288c01b7SEli Cohen } 475288c01b7SEli Cohen 476e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, 477e126ba97SEli Cohen struct mlx5_ib_qp *qp) 478e126ba97SEli Cohen { 479e126ba97SEli Cohen int wqe_size; 480e126ba97SEli Cohen int wq_size; 481e126ba97SEli Cohen 482e126ba97SEli Cohen if (!attr->cap.max_send_wr) 483e126ba97SEli Cohen return 0; 484e126ba97SEli Cohen 485e126ba97SEli Cohen wqe_size = calc_send_wqe(attr); 486e126ba97SEli Cohen mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); 487e126ba97SEli Cohen if (wqe_size < 0) 488e126ba97SEli Cohen return wqe_size; 489e126ba97SEli Cohen 490938fe83cSSaeed Mahameed if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 491b125a54bSEli Cohen mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", 492938fe83cSSaeed Mahameed wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 493e126ba97SEli Cohen return -EINVAL; 494e126ba97SEli Cohen } 495e126ba97SEli Cohen 496f0313965SErez Shitrit qp->max_inline_data = wqe_size - sq_overhead(attr) - 497e126ba97SEli Cohen sizeof(struct mlx5_wqe_inline_seg); 498e126ba97SEli Cohen attr->cap.max_inline_data = qp->max_inline_data; 499e126ba97SEli Cohen 500e126ba97SEli Cohen wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); 501e126ba97SEli Cohen qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; 502938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 5031974ab9dSBart Van Assche mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", 5041974ab9dSBart Van Assche attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, 505938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 506938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 507b125a54bSEli Cohen return -ENOMEM; 508b125a54bSEli Cohen } 509e126ba97SEli Cohen qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 510288c01b7SEli Cohen qp->sq.max_gs = get_send_sge(attr, wqe_size); 511288c01b7SEli Cohen if (qp->sq.max_gs < attr->cap.max_send_sge) 512288c01b7SEli Cohen return -ENOMEM; 513288c01b7SEli Cohen 514288c01b7SEli Cohen attr->cap.max_send_sge = qp->sq.max_gs; 515b125a54bSEli Cohen qp->sq.max_post = wq_size / wqe_size; 516b125a54bSEli Cohen attr->cap.max_send_wr = qp->sq.max_post; 517e126ba97SEli Cohen 518e126ba97SEli Cohen return wq_size; 519e126ba97SEli Cohen } 520e126ba97SEli Cohen 521e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev, 522e126ba97SEli Cohen struct mlx5_ib_qp *qp, 52319098df2Smajd@mellanox.com struct mlx5_ib_create_qp *ucmd, 5240fb2ed66Smajd@mellanox.com struct mlx5_ib_qp_base *base, 5250fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr) 526e126ba97SEli Cohen { 527e126ba97SEli Cohen int desc_sz = 1 << qp->sq.wqe_shift; 528e126ba97SEli Cohen 529938fe83cSSaeed Mahameed if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { 530e126ba97SEli Cohen mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", 531938fe83cSSaeed Mahameed desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); 532e126ba97SEli Cohen return -EINVAL; 533e126ba97SEli Cohen } 534e126ba97SEli Cohen 535af8b38edSGal Pressman if (ucmd->sq_wqe_count && !is_power_of_2(ucmd->sq_wqe_count)) { 536af8b38edSGal Pressman mlx5_ib_warn(dev, "sq_wqe_count %d is not a power of two\n", 537af8b38edSGal Pressman ucmd->sq_wqe_count); 538e126ba97SEli Cohen return -EINVAL; 539e126ba97SEli Cohen } 540e126ba97SEli Cohen 541e126ba97SEli Cohen qp->sq.wqe_cnt = ucmd->sq_wqe_count; 542e126ba97SEli Cohen 543938fe83cSSaeed Mahameed if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { 544e126ba97SEli Cohen mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", 545938fe83cSSaeed Mahameed qp->sq.wqe_cnt, 546938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); 547e126ba97SEli Cohen return -EINVAL; 548e126ba97SEli Cohen } 549e126ba97SEli Cohen 550c2e53b2cSYishai Hadas if (attr->qp_type == IB_QPT_RAW_PACKET || 551c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 5520fb2ed66Smajd@mellanox.com base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; 5530fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; 5540fb2ed66Smajd@mellanox.com } else { 55519098df2Smajd@mellanox.com base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + 556e126ba97SEli Cohen (qp->sq.wqe_cnt << 6); 5570fb2ed66Smajd@mellanox.com } 558e126ba97SEli Cohen 559e126ba97SEli Cohen return 0; 560e126ba97SEli Cohen } 561e126ba97SEli Cohen 562e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr) 563e126ba97SEli Cohen { 564e126ba97SEli Cohen if (attr->qp_type == IB_QPT_XRC_INI || 565e126ba97SEli Cohen attr->qp_type == IB_QPT_XRC_TGT || attr->srq || 566e126ba97SEli Cohen attr->qp_type == MLX5_IB_QPT_REG_UMR || 567e126ba97SEli Cohen !attr->cap.max_recv_wr) 568e126ba97SEli Cohen return 0; 569e126ba97SEli Cohen 570e126ba97SEli Cohen return 1; 571e126ba97SEli Cohen } 572e126ba97SEli Cohen 5730b80c14fSEli Cohen enum { 5740b80c14fSEli Cohen /* this is the first blue flame register in the array of bfregs assigned 5750b80c14fSEli Cohen * to a processes. Since we do not use it for blue flame but rather 5760b80c14fSEli Cohen * regular 64 bit doorbells, we do not need a lock for maintaiing 5770b80c14fSEli Cohen * "odd/even" order 5780b80c14fSEli Cohen */ 5790b80c14fSEli Cohen NUM_NON_BLUE_FLAME_BFREGS = 1, 5800b80c14fSEli Cohen }; 5810b80c14fSEli Cohen 582b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) 583b037c29aSEli Cohen { 58431a78a5aSYishai Hadas return get_num_static_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; 585b037c29aSEli Cohen } 586b037c29aSEli Cohen 587b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev, 588b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 589c1be5232SEli Cohen { 590c1be5232SEli Cohen int n; 591c1be5232SEli Cohen 592b037c29aSEli Cohen n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - 593b037c29aSEli Cohen NUM_NON_BLUE_FLAME_BFREGS; 594c1be5232SEli Cohen 595c1be5232SEli Cohen return n >= 0 ? n : 0; 596c1be5232SEli Cohen } 597c1be5232SEli Cohen 59818b0362eSYishai Hadas static int first_med_bfreg(struct mlx5_ib_dev *dev, 59918b0362eSYishai Hadas struct mlx5_bfreg_info *bfregi) 60018b0362eSYishai Hadas { 60118b0362eSYishai Hadas return num_med_bfreg(dev, bfregi) ? 1 : -ENOMEM; 60218b0362eSYishai Hadas } 60318b0362eSYishai Hadas 604b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev, 605b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 606c1be5232SEli Cohen { 607c1be5232SEli Cohen int med; 608c1be5232SEli Cohen 609b037c29aSEli Cohen med = num_med_bfreg(dev, bfregi); 610b037c29aSEli Cohen return ++med; 611c1be5232SEli Cohen } 612c1be5232SEli Cohen 613b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, 614b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 615e126ba97SEli Cohen { 616e126ba97SEli Cohen int i; 617e126ba97SEli Cohen 618b037c29aSEli Cohen for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { 619b037c29aSEli Cohen if (!bfregi->count[i]) { 6202f5ff264SEli Cohen bfregi->count[i]++; 621e126ba97SEli Cohen return i; 622e126ba97SEli Cohen } 623e126ba97SEli Cohen } 624e126ba97SEli Cohen 625e126ba97SEli Cohen return -ENOMEM; 626e126ba97SEli Cohen } 627e126ba97SEli Cohen 628b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, 629b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi) 630e126ba97SEli Cohen { 63118b0362eSYishai Hadas int minidx = first_med_bfreg(dev, bfregi); 632e126ba97SEli Cohen int i; 633e126ba97SEli Cohen 63418b0362eSYishai Hadas if (minidx < 0) 63518b0362eSYishai Hadas return minidx; 63618b0362eSYishai Hadas 63718b0362eSYishai Hadas for (i = minidx; i < first_hi_bfreg(dev, bfregi); i++) { 6382f5ff264SEli Cohen if (bfregi->count[i] < bfregi->count[minidx]) 639e126ba97SEli Cohen minidx = i; 6400b80c14fSEli Cohen if (!bfregi->count[minidx]) 6410b80c14fSEli Cohen break; 642e126ba97SEli Cohen } 643e126ba97SEli Cohen 6442f5ff264SEli Cohen bfregi->count[minidx]++; 645e126ba97SEli Cohen return minidx; 646e126ba97SEli Cohen } 647e126ba97SEli Cohen 648b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev, 649ffaf58deSLeon Romanovsky struct mlx5_bfreg_info *bfregi) 650e126ba97SEli Cohen { 651ffaf58deSLeon Romanovsky int bfregn = -ENOMEM; 652e126ba97SEli Cohen 6532f5ff264SEli Cohen mutex_lock(&bfregi->lock); 654ffaf58deSLeon Romanovsky if (bfregi->ver >= 2) { 655ffaf58deSLeon Romanovsky bfregn = alloc_high_class_bfreg(dev, bfregi); 656ffaf58deSLeon Romanovsky if (bfregn < 0) 657ffaf58deSLeon Romanovsky bfregn = alloc_med_class_bfreg(dev, bfregi); 658ffaf58deSLeon Romanovsky } 659ffaf58deSLeon Romanovsky 660ffaf58deSLeon Romanovsky if (bfregn < 0) { 6610b80c14fSEli Cohen BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); 6622f5ff264SEli Cohen bfregn = 0; 6632f5ff264SEli Cohen bfregi->count[bfregn]++; 664e126ba97SEli Cohen } 6652f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 666e126ba97SEli Cohen 6672f5ff264SEli Cohen return bfregn; 668e126ba97SEli Cohen } 669e126ba97SEli Cohen 6704ed131d0SYishai Hadas void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) 671e126ba97SEli Cohen { 6722f5ff264SEli Cohen mutex_lock(&bfregi->lock); 673b037c29aSEli Cohen bfregi->count[bfregn]--; 6742f5ff264SEli Cohen mutex_unlock(&bfregi->lock); 675e126ba97SEli Cohen } 676e126ba97SEli Cohen 677e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) 678e126ba97SEli Cohen { 679e126ba97SEli Cohen switch (state) { 680e126ba97SEli Cohen case IB_QPS_RESET: return MLX5_QP_STATE_RST; 681e126ba97SEli Cohen case IB_QPS_INIT: return MLX5_QP_STATE_INIT; 682e126ba97SEli Cohen case IB_QPS_RTR: return MLX5_QP_STATE_RTR; 683e126ba97SEli Cohen case IB_QPS_RTS: return MLX5_QP_STATE_RTS; 684e126ba97SEli Cohen case IB_QPS_SQD: return MLX5_QP_STATE_SQD; 685e126ba97SEli Cohen case IB_QPS_SQE: return MLX5_QP_STATE_SQER; 686e126ba97SEli Cohen case IB_QPS_ERR: return MLX5_QP_STATE_ERR; 687e126ba97SEli Cohen default: return -1; 688e126ba97SEli Cohen } 689e126ba97SEli Cohen } 690e126ba97SEli Cohen 691e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type) 692e126ba97SEli Cohen { 693e126ba97SEli Cohen switch (type) { 694e126ba97SEli Cohen case IB_QPT_RC: return MLX5_QP_ST_RC; 695e126ba97SEli Cohen case IB_QPT_UC: return MLX5_QP_ST_UC; 696e126ba97SEli Cohen case IB_QPT_UD: return MLX5_QP_ST_UD; 697e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; 698e126ba97SEli Cohen case IB_QPT_XRC_INI: 699e126ba97SEli Cohen case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; 700e126ba97SEli Cohen case IB_QPT_SMI: return MLX5_QP_ST_QP0; 701d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; 702c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: return MLX5_QP_ST_DCI; 703e126ba97SEli Cohen case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; 704e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 7050fb2ed66Smajd@mellanox.com case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; 706e126ba97SEli Cohen case IB_QPT_MAX: 707e126ba97SEli Cohen default: return -EINVAL; 708e126ba97SEli Cohen } 709e126ba97SEli Cohen } 710e126ba97SEli Cohen 71189ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, 71289ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 71389ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, 71489ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq); 71589ea94a7SMaor Gottlieb 7167c043e90SYishai Hadas int bfregn_to_uar_index(struct mlx5_ib_dev *dev, 71705f58cebSLeon Romanovsky struct mlx5_bfreg_info *bfregi, u32 bfregn, 7181ee47ab3SYishai Hadas bool dyn_bfreg) 719e126ba97SEli Cohen { 72005f58cebSLeon Romanovsky unsigned int bfregs_per_sys_page; 72105f58cebSLeon Romanovsky u32 index_of_sys_page; 72205f58cebSLeon Romanovsky u32 offset; 723b037c29aSEli Cohen 724b037c29aSEli Cohen bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * 725b037c29aSEli Cohen MLX5_NON_FP_BFREGS_PER_UAR; 726b037c29aSEli Cohen index_of_sys_page = bfregn / bfregs_per_sys_page; 727b037c29aSEli Cohen 72805f58cebSLeon Romanovsky if (dyn_bfreg) { 72905f58cebSLeon Romanovsky index_of_sys_page += bfregi->num_static_sys_pages; 73005f58cebSLeon Romanovsky 7317c043e90SYishai Hadas if (index_of_sys_page >= bfregi->num_sys_pages) 7327c043e90SYishai Hadas return -EINVAL; 7337c043e90SYishai Hadas 7341ee47ab3SYishai Hadas if (bfregn > bfregi->num_dyn_bfregs || 7351ee47ab3SYishai Hadas bfregi->sys_pages[index_of_sys_page] == MLX5_IB_INVALID_UAR_INDEX) { 7361ee47ab3SYishai Hadas mlx5_ib_dbg(dev, "Invalid dynamic uar index\n"); 7371ee47ab3SYishai Hadas return -EINVAL; 7381ee47ab3SYishai Hadas } 7391ee47ab3SYishai Hadas } 740b037c29aSEli Cohen 7411ee47ab3SYishai Hadas offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; 742b037c29aSEli Cohen return bfregi->sys_pages[index_of_sys_page] + offset; 743e126ba97SEli Cohen } 744e126ba97SEli Cohen 745b0ea0fa5SJason Gunthorpe static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, struct ib_udata *udata, 74619098df2Smajd@mellanox.com unsigned long addr, size_t size, 747b0ea0fa5SJason Gunthorpe struct ib_umem **umem, int *npages, int *page_shift, 748b0ea0fa5SJason Gunthorpe int *ncont, u32 *offset) 74919098df2Smajd@mellanox.com { 75019098df2Smajd@mellanox.com int err; 75119098df2Smajd@mellanox.com 75272b894b0SChristoph Hellwig *umem = ib_umem_get(udata, addr, size, 0); 75319098df2Smajd@mellanox.com if (IS_ERR(*umem)) { 75419098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "umem_get failed\n"); 75519098df2Smajd@mellanox.com return PTR_ERR(*umem); 75619098df2Smajd@mellanox.com } 75719098df2Smajd@mellanox.com 758762f899aSMajd Dibbiny mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); 75919098df2Smajd@mellanox.com 76019098df2Smajd@mellanox.com err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); 76119098df2Smajd@mellanox.com if (err) { 76219098df2Smajd@mellanox.com mlx5_ib_warn(dev, "bad offset\n"); 76319098df2Smajd@mellanox.com goto err_umem; 76419098df2Smajd@mellanox.com } 76519098df2Smajd@mellanox.com 76619098df2Smajd@mellanox.com mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", 76719098df2Smajd@mellanox.com addr, size, *npages, *page_shift, *ncont, *offset); 76819098df2Smajd@mellanox.com 76919098df2Smajd@mellanox.com return 0; 77019098df2Smajd@mellanox.com 77119098df2Smajd@mellanox.com err_umem: 77219098df2Smajd@mellanox.com ib_umem_release(*umem); 77319098df2Smajd@mellanox.com *umem = NULL; 77419098df2Smajd@mellanox.com 77519098df2Smajd@mellanox.com return err; 77619098df2Smajd@mellanox.com } 77719098df2Smajd@mellanox.com 778fe248c3aSMaor Gottlieb static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 779bdeacabdSShamir Rabinovitch struct mlx5_ib_rwq *rwq, struct ib_udata *udata) 78079b20a6cSYishai Hadas { 781bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 782bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 783bdeacabdSShamir Rabinovitch udata, 784bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 785bdeacabdSShamir Rabinovitch ibucontext); 78679b20a6cSYishai Hadas 787fe248c3aSMaor Gottlieb if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP) 788fe248c3aSMaor Gottlieb atomic_dec(&dev->delay_drop.rqs_cnt); 789fe248c3aSMaor Gottlieb 79079b20a6cSYishai Hadas mlx5_ib_db_unmap_user(context, &rwq->db); 79179b20a6cSYishai Hadas ib_umem_release(rwq->umem); 79279b20a6cSYishai Hadas } 79379b20a6cSYishai Hadas 79479b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, 795b0ea0fa5SJason Gunthorpe struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79679b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd) 79779b20a6cSYishai Hadas { 79889944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 79989944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 80079b20a6cSYishai Hadas int page_shift = 0; 80179b20a6cSYishai Hadas int npages; 80279b20a6cSYishai Hadas u32 offset = 0; 80379b20a6cSYishai Hadas int ncont = 0; 80479b20a6cSYishai Hadas int err; 80579b20a6cSYishai Hadas 80679b20a6cSYishai Hadas if (!ucmd->buf_addr) 80779b20a6cSYishai Hadas return -EINVAL; 80879b20a6cSYishai Hadas 80972b894b0SChristoph Hellwig rwq->umem = ib_umem_get(udata, ucmd->buf_addr, rwq->buf_size, 0); 81079b20a6cSYishai Hadas if (IS_ERR(rwq->umem)) { 81179b20a6cSYishai Hadas mlx5_ib_dbg(dev, "umem_get failed\n"); 81279b20a6cSYishai Hadas err = PTR_ERR(rwq->umem); 81379b20a6cSYishai Hadas return err; 81479b20a6cSYishai Hadas } 81579b20a6cSYishai Hadas 816762f899aSMajd Dibbiny mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, 81779b20a6cSYishai Hadas &ncont, NULL); 81879b20a6cSYishai Hadas err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, 81979b20a6cSYishai Hadas &rwq->rq_page_offset); 82079b20a6cSYishai Hadas if (err) { 82179b20a6cSYishai Hadas mlx5_ib_warn(dev, "bad offset\n"); 82279b20a6cSYishai Hadas goto err_umem; 82379b20a6cSYishai Hadas } 82479b20a6cSYishai Hadas 82579b20a6cSYishai Hadas rwq->rq_num_pas = ncont; 82679b20a6cSYishai Hadas rwq->page_shift = page_shift; 82779b20a6cSYishai Hadas rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; 82879b20a6cSYishai Hadas rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 82979b20a6cSYishai Hadas 83079b20a6cSYishai Hadas mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", 83179b20a6cSYishai Hadas (unsigned long long)ucmd->buf_addr, rwq->buf_size, 83279b20a6cSYishai Hadas npages, page_shift, ncont, offset); 83379b20a6cSYishai Hadas 83489944450SShamir Rabinovitch err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 83579b20a6cSYishai Hadas if (err) { 83679b20a6cSYishai Hadas mlx5_ib_dbg(dev, "map failed\n"); 83779b20a6cSYishai Hadas goto err_umem; 83879b20a6cSYishai Hadas } 83979b20a6cSYishai Hadas 84079b20a6cSYishai Hadas rwq->create_type = MLX5_WQ_USER; 84179b20a6cSYishai Hadas return 0; 84279b20a6cSYishai Hadas 84379b20a6cSYishai Hadas err_umem: 84479b20a6cSYishai Hadas ib_umem_release(rwq->umem); 84579b20a6cSYishai Hadas return err; 84679b20a6cSYishai Hadas } 84779b20a6cSYishai Hadas 848b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev, 849b037c29aSEli Cohen struct mlx5_bfreg_info *bfregi, int bfregn) 850b037c29aSEli Cohen { 851b037c29aSEli Cohen return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + 852b037c29aSEli Cohen bfregn % MLX5_NON_FP_BFREGS_PER_UAR; 853b037c29aSEli Cohen } 854b037c29aSEli Cohen 855e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, 856e126ba97SEli Cohen struct mlx5_ib_qp *qp, struct ib_udata *udata, 8570fb2ed66Smajd@mellanox.com struct ib_qp_init_attr *attr, 85809a7d9ecSSaeed Mahameed u32 **in, 85919098df2Smajd@mellanox.com struct mlx5_ib_create_qp_resp *resp, int *inlen, 86019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 861e126ba97SEli Cohen { 862e126ba97SEli Cohen struct mlx5_ib_ucontext *context; 863e126ba97SEli Cohen struct mlx5_ib_create_qp ucmd; 86419098df2Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; 8659e9c47d0SEli Cohen int page_shift = 0; 8661ee47ab3SYishai Hadas int uar_index = 0; 867e126ba97SEli Cohen int npages; 8689e9c47d0SEli Cohen u32 offset = 0; 8692f5ff264SEli Cohen int bfregn; 8709e9c47d0SEli Cohen int ncont = 0; 87109a7d9ecSSaeed Mahameed __be64 *pas; 87209a7d9ecSSaeed Mahameed void *qpc; 873e126ba97SEli Cohen int err; 8745aa3771dSYishai Hadas u16 uid; 875e126ba97SEli Cohen 876e126ba97SEli Cohen err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); 877e126ba97SEli Cohen if (err) { 878e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 879e126ba97SEli Cohen return err; 880e126ba97SEli Cohen } 881e126ba97SEli Cohen 88289944450SShamir Rabinovitch context = rdma_udata_to_drv_context(udata, struct mlx5_ib_ucontext, 88389944450SShamir Rabinovitch ibucontext); 8841ee47ab3SYishai Hadas if (ucmd.flags & MLX5_QP_FLAG_BFREG_INDEX) { 8851ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, 8861ee47ab3SYishai Hadas ucmd.bfreg_index, true); 8871ee47ab3SYishai Hadas if (uar_index < 0) 8881ee47ab3SYishai Hadas return uar_index; 8891ee47ab3SYishai Hadas 8901ee47ab3SYishai Hadas bfregn = MLX5_IB_INVALID_BFREG; 8911ee47ab3SYishai Hadas } else if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) { 892e126ba97SEli Cohen /* 893e126ba97SEli Cohen * TBD: should come from the verbs when we have the API 894e126ba97SEli Cohen */ 895051f2630SLeon Romanovsky /* In CROSS_CHANNEL CQ and QP must use the same UAR */ 8962f5ff264SEli Cohen bfregn = MLX5_CROSS_CHANNEL_BFREG; 8971ee47ab3SYishai Hadas } 898051f2630SLeon Romanovsky else { 899ffaf58deSLeon Romanovsky bfregn = alloc_bfreg(dev, &context->bfregi); 900ffaf58deSLeon Romanovsky if (bfregn < 0) 9012f5ff264SEli Cohen return bfregn; 902e126ba97SEli Cohen } 903e126ba97SEli Cohen 9042f5ff264SEli Cohen mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); 9051ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9061ee47ab3SYishai Hadas uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn, 9071ee47ab3SYishai Hadas false); 908e126ba97SEli Cohen 90948fea837SHaggai Eran qp->rq.offset = 0; 91048fea837SHaggai Eran qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); 91148fea837SHaggai Eran qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 91248fea837SHaggai Eran 9130fb2ed66Smajd@mellanox.com err = set_user_buf_size(dev, qp, &ucmd, base, attr); 914e126ba97SEli Cohen if (err) 9152f5ff264SEli Cohen goto err_bfreg; 916e126ba97SEli Cohen 91719098df2Smajd@mellanox.com if (ucmd.buf_addr && ubuffer->buf_size) { 91819098df2Smajd@mellanox.com ubuffer->buf_addr = ucmd.buf_addr; 919b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, 920b0ea0fa5SJason Gunthorpe ubuffer->buf_size, &ubuffer->umem, 921b0ea0fa5SJason Gunthorpe &npages, &page_shift, &ncont, &offset); 92219098df2Smajd@mellanox.com if (err) 9232f5ff264SEli Cohen goto err_bfreg; 9249e9c47d0SEli Cohen } else { 92519098df2Smajd@mellanox.com ubuffer->umem = NULL; 9269e9c47d0SEli Cohen } 927e126ba97SEli Cohen 92809a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 92909a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; 9301b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 931e126ba97SEli Cohen if (!*in) { 932e126ba97SEli Cohen err = -ENOMEM; 933e126ba97SEli Cohen goto err_umem; 934e126ba97SEli Cohen } 935e126ba97SEli Cohen 9367422edceSYishai Hadas uid = (attr->qp_type != IB_QPT_XRC_TGT && 9377422edceSYishai Hadas attr->qp_type != IB_QPT_XRC_INI) ? to_mpd(pd)->uid : 0; 9385aa3771dSYishai Hadas MLX5_SET(create_qp_in, *in, uid, uid); 93909a7d9ecSSaeed Mahameed pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); 94009a7d9ecSSaeed Mahameed if (ubuffer->umem) 94109a7d9ecSSaeed Mahameed mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); 94209a7d9ecSSaeed Mahameed 94309a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 94409a7d9ecSSaeed Mahameed 94509a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 94609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, page_offset, offset); 94709a7d9ecSSaeed Mahameed 94809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 9491ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 950b037c29aSEli Cohen resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); 9511ee47ab3SYishai Hadas else 9521ee47ab3SYishai Hadas resp->bfreg_index = MLX5_IB_INVALID_BFREG; 9532f5ff264SEli Cohen qp->bfregn = bfregn; 954e126ba97SEli Cohen 955b0ea0fa5SJason Gunthorpe err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &qp->db); 956e126ba97SEli Cohen if (err) { 957e126ba97SEli Cohen mlx5_ib_dbg(dev, "map failed\n"); 958e126ba97SEli Cohen goto err_free; 959e126ba97SEli Cohen } 960e126ba97SEli Cohen 96141d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 962e126ba97SEli Cohen if (err) { 963e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 964e126ba97SEli Cohen goto err_unmap; 965e126ba97SEli Cohen } 966e126ba97SEli Cohen qp->create_type = MLX5_QP_USER; 967e126ba97SEli Cohen 968e126ba97SEli Cohen return 0; 969e126ba97SEli Cohen 970e126ba97SEli Cohen err_unmap: 971e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 972e126ba97SEli Cohen 973e126ba97SEli Cohen err_free: 974479163f4SAl Viro kvfree(*in); 975e126ba97SEli Cohen 976e126ba97SEli Cohen err_umem: 97719098df2Smajd@mellanox.com ib_umem_release(ubuffer->umem); 978e126ba97SEli Cohen 9792f5ff264SEli Cohen err_bfreg: 9801ee47ab3SYishai Hadas if (bfregn != MLX5_IB_INVALID_BFREG) 9814ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, bfregn); 982e126ba97SEli Cohen return err; 983e126ba97SEli Cohen } 984e126ba97SEli Cohen 985b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, 986bdeacabdSShamir Rabinovitch struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base, 987bdeacabdSShamir Rabinovitch struct ib_udata *udata) 988e126ba97SEli Cohen { 989bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext *context = 990bdeacabdSShamir Rabinovitch rdma_udata_to_drv_context( 991bdeacabdSShamir Rabinovitch udata, 992bdeacabdSShamir Rabinovitch struct mlx5_ib_ucontext, 993bdeacabdSShamir Rabinovitch ibucontext); 994e126ba97SEli Cohen 995e126ba97SEli Cohen mlx5_ib_db_unmap_user(context, &qp->db); 99619098df2Smajd@mellanox.com ib_umem_release(base->ubuffer.umem); 9971ee47ab3SYishai Hadas 9981ee47ab3SYishai Hadas /* 9991ee47ab3SYishai Hadas * Free only the BFREGs which are handled by the kernel. 10001ee47ab3SYishai Hadas * BFREGs of UARs allocated dynamically are handled by user. 10011ee47ab3SYishai Hadas */ 10021ee47ab3SYishai Hadas if (qp->bfregn != MLX5_IB_INVALID_BFREG) 10034ed131d0SYishai Hadas mlx5_ib_free_bfreg(dev, &context->bfregi, qp->bfregn); 1004e126ba97SEli Cohen } 1005e126ba97SEli Cohen 100634f4c955SGuy Levi /* get_sq_edge - Get the next nearby edge. 100734f4c955SGuy Levi * 100834f4c955SGuy Levi * An 'edge' is defined as the first following address after the end 100934f4c955SGuy Levi * of the fragment or the SQ. Accordingly, during the WQE construction 101034f4c955SGuy Levi * which repetitively increases the pointer to write the next data, it 101134f4c955SGuy Levi * simply should check if it gets to an edge. 101234f4c955SGuy Levi * 101334f4c955SGuy Levi * @sq - SQ buffer. 101434f4c955SGuy Levi * @idx - Stride index in the SQ buffer. 101534f4c955SGuy Levi * 101634f4c955SGuy Levi * Return: 101734f4c955SGuy Levi * The new edge. 101834f4c955SGuy Levi */ 101934f4c955SGuy Levi static void *get_sq_edge(struct mlx5_ib_wq *sq, u32 idx) 102034f4c955SGuy Levi { 102134f4c955SGuy Levi void *fragment_end; 102234f4c955SGuy Levi 102334f4c955SGuy Levi fragment_end = mlx5_frag_buf_get_wqe 102434f4c955SGuy Levi (&sq->fbc, 102534f4c955SGuy Levi mlx5_frag_buf_get_idx_last_contig_stride(&sq->fbc, idx)); 102634f4c955SGuy Levi 102734f4c955SGuy Levi return fragment_end + MLX5_SEND_WQE_BB; 102834f4c955SGuy Levi } 102934f4c955SGuy Levi 1030e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev, 1031e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1032e126ba97SEli Cohen struct mlx5_ib_qp *qp, 103309a7d9ecSSaeed Mahameed u32 **in, int *inlen, 103419098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base) 1035e126ba97SEli Cohen { 1036e126ba97SEli Cohen int uar_index; 103709a7d9ecSSaeed Mahameed void *qpc; 1038e126ba97SEli Cohen int err; 1039e126ba97SEli Cohen 1040c0a6cbb9SIsrael Rukshin if (init_attr->create_flags & ~(IB_QP_CREATE_INTEGRITY_EN | 1041f0313965SErez Shitrit IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | 1042b11a4f9cSHaggai Eran IB_QP_CREATE_IPOIB_UD_LSO | 104393d576afSErez Shitrit IB_QP_CREATE_NETIF_QP | 104411f552e2SMichael Guralnik MLX5_IB_QP_CREATE_SQPN_QP1 | 104511f552e2SMichael Guralnik MLX5_IB_QP_CREATE_WC_TEST)) 10461a4c3a3dSEli Cohen return -EINVAL; 1047e126ba97SEli Cohen 1048e126ba97SEli Cohen if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) 10495fe9dec0SEli Cohen qp->bf.bfreg = &dev->fp_bfreg; 105011f552e2SMichael Guralnik else if (init_attr->create_flags & MLX5_IB_QP_CREATE_WC_TEST) 105111f552e2SMichael Guralnik qp->bf.bfreg = &dev->wc_bfreg; 10525fe9dec0SEli Cohen else 10535fe9dec0SEli Cohen qp->bf.bfreg = &dev->bfreg; 1054e126ba97SEli Cohen 1055d8030b0dSEli Cohen /* We need to divide by two since each register is comprised of 1056d8030b0dSEli Cohen * two buffers of identical size, namely odd and even 1057d8030b0dSEli Cohen */ 1058d8030b0dSEli Cohen qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; 10595fe9dec0SEli Cohen uar_index = qp->bf.bfreg->index; 1060e126ba97SEli Cohen 1061e126ba97SEli Cohen err = calc_sq_size(dev, init_attr, qp); 1062e126ba97SEli Cohen if (err < 0) { 1063e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10645fe9dec0SEli Cohen return err; 1065e126ba97SEli Cohen } 1066e126ba97SEli Cohen 1067e126ba97SEli Cohen qp->rq.offset = 0; 1068e126ba97SEli Cohen qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; 106919098df2Smajd@mellanox.com base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); 1070e126ba97SEli Cohen 107134f4c955SGuy Levi err = mlx5_frag_buf_alloc_node(dev->mdev, base->ubuffer.buf_size, 107234f4c955SGuy Levi &qp->buf, dev->mdev->priv.numa_node); 1073e126ba97SEli Cohen if (err) { 1074e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 10755fe9dec0SEli Cohen return err; 1076e126ba97SEli Cohen } 1077e126ba97SEli Cohen 107834f4c955SGuy Levi if (qp->rq.wqe_cnt) 107934f4c955SGuy Levi mlx5_init_fbc(qp->buf.frags, qp->rq.wqe_shift, 108034f4c955SGuy Levi ilog2(qp->rq.wqe_cnt), &qp->rq.fbc); 108134f4c955SGuy Levi 108234f4c955SGuy Levi if (qp->sq.wqe_cnt) { 108334f4c955SGuy Levi int sq_strides_offset = (qp->sq.offset & (PAGE_SIZE - 1)) / 108434f4c955SGuy Levi MLX5_SEND_WQE_BB; 108534f4c955SGuy Levi mlx5_init_fbc_offset(qp->buf.frags + 108634f4c955SGuy Levi (qp->sq.offset / PAGE_SIZE), 108734f4c955SGuy Levi ilog2(MLX5_SEND_WQE_BB), 108834f4c955SGuy Levi ilog2(qp->sq.wqe_cnt), 108934f4c955SGuy Levi sq_strides_offset, &qp->sq.fbc); 109034f4c955SGuy Levi 109134f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 109234f4c955SGuy Levi } 109334f4c955SGuy Levi 109409a7d9ecSSaeed Mahameed *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + 109509a7d9ecSSaeed Mahameed MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; 10961b9a07eeSLeon Romanovsky *in = kvzalloc(*inlen, GFP_KERNEL); 1097e126ba97SEli Cohen if (!*in) { 1098e126ba97SEli Cohen err = -ENOMEM; 1099e126ba97SEli Cohen goto err_buf; 1100e126ba97SEli Cohen } 110109a7d9ecSSaeed Mahameed 110209a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); 110309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, uar_page, uar_index); 110409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); 110509a7d9ecSSaeed Mahameed 1106e126ba97SEli Cohen /* Set "fast registration enabled" for all kernel QPs */ 110709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, fre, 1); 110809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rlky, 1); 1109e126ba97SEli Cohen 11103f89b01fSMichael Guralnik if (init_attr->create_flags & MLX5_IB_QP_CREATE_SQPN_QP1) { 111109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, deth_sqpn, 1); 1112b11a4f9cSHaggai Eran qp->flags |= MLX5_IB_QP_SQPN_QP1; 1113b11a4f9cSHaggai Eran } 1114b11a4f9cSHaggai Eran 111534f4c955SGuy Levi mlx5_fill_page_frag_array(&qp->buf, 111634f4c955SGuy Levi (__be64 *)MLX5_ADDR_OF(create_qp_in, 111734f4c955SGuy Levi *in, pas)); 1118e126ba97SEli Cohen 11199603b61dSJack Morgenstein err = mlx5_db_alloc(dev->mdev, &qp->db); 1120e126ba97SEli Cohen if (err) { 1121e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 1122e126ba97SEli Cohen goto err_free; 1123e126ba97SEli Cohen } 1124e126ba97SEli Cohen 1125b5883008SLi Dongyang qp->sq.wrid = kvmalloc_array(qp->sq.wqe_cnt, 1126b5883008SLi Dongyang sizeof(*qp->sq.wrid), GFP_KERNEL); 1127b5883008SLi Dongyang qp->sq.wr_data = kvmalloc_array(qp->sq.wqe_cnt, 1128b5883008SLi Dongyang sizeof(*qp->sq.wr_data), GFP_KERNEL); 1129b5883008SLi Dongyang qp->rq.wrid = kvmalloc_array(qp->rq.wqe_cnt, 1130b5883008SLi Dongyang sizeof(*qp->rq.wrid), GFP_KERNEL); 1131b5883008SLi Dongyang qp->sq.w_list = kvmalloc_array(qp->sq.wqe_cnt, 1132b5883008SLi Dongyang sizeof(*qp->sq.w_list), GFP_KERNEL); 1133b5883008SLi Dongyang qp->sq.wqe_head = kvmalloc_array(qp->sq.wqe_cnt, 1134b5883008SLi Dongyang sizeof(*qp->sq.wqe_head), GFP_KERNEL); 1135e126ba97SEli Cohen 1136e126ba97SEli Cohen if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || 1137e126ba97SEli Cohen !qp->sq.w_list || !qp->sq.wqe_head) { 1138e126ba97SEli Cohen err = -ENOMEM; 1139e126ba97SEli Cohen goto err_wrid; 1140e126ba97SEli Cohen } 1141e126ba97SEli Cohen qp->create_type = MLX5_QP_KERNEL; 1142e126ba97SEli Cohen 1143e126ba97SEli Cohen return 0; 1144e126ba97SEli Cohen 1145e126ba97SEli Cohen err_wrid: 1146b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1147b5883008SLi Dongyang kvfree(qp->sq.w_list); 1148b5883008SLi Dongyang kvfree(qp->sq.wrid); 1149b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1150b5883008SLi Dongyang kvfree(qp->rq.wrid); 1151f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 1152e126ba97SEli Cohen 1153e126ba97SEli Cohen err_free: 1154479163f4SAl Viro kvfree(*in); 1155e126ba97SEli Cohen 1156e126ba97SEli Cohen err_buf: 115734f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1158e126ba97SEli Cohen return err; 1159e126ba97SEli Cohen } 1160e126ba97SEli Cohen 1161e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 1162e126ba97SEli Cohen { 1163b5883008SLi Dongyang kvfree(qp->sq.wqe_head); 1164b5883008SLi Dongyang kvfree(qp->sq.w_list); 1165b5883008SLi Dongyang kvfree(qp->sq.wrid); 1166b5883008SLi Dongyang kvfree(qp->sq.wr_data); 1167b5883008SLi Dongyang kvfree(qp->rq.wrid); 1168f4044dacSEli Cohen mlx5_db_free(dev->mdev, &qp->db); 116934f4c955SGuy Levi mlx5_frag_buf_free(dev->mdev, &qp->buf); 1170e126ba97SEli Cohen } 1171e126ba97SEli Cohen 117209a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) 1173e126ba97SEli Cohen { 1174e126ba97SEli Cohen if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || 1175c32a4f29SMoni Shoua (attr->qp_type == MLX5_IB_QPT_DCI) || 1176e126ba97SEli Cohen (attr->qp_type == IB_QPT_XRC_INI)) 117709a7d9ecSSaeed Mahameed return MLX5_SRQ_RQ; 1178e126ba97SEli Cohen else if (!qp->has_rq) 117909a7d9ecSSaeed Mahameed return MLX5_ZERO_LEN_RQ; 1180e126ba97SEli Cohen else 118109a7d9ecSSaeed Mahameed return MLX5_NON_ZERO_RQ; 1182e126ba97SEli Cohen } 1183e126ba97SEli Cohen 1184e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type) 1185e126ba97SEli Cohen { 11865d6ff1baSYonatan Cohen if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC || 11875d6ff1baSYonatan Cohen qp_type == MLX5_IB_QPT_DCI) 1188e126ba97SEli Cohen return 1; 1189e126ba97SEli Cohen 1190e126ba97SEli Cohen return 0; 1191e126ba97SEli Cohen } 1192e126ba97SEli Cohen 11930fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 1194c2e53b2cSYishai Hadas struct mlx5_ib_qp *qp, 11951cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u32 tdn, 11961cd6dbd3SYishai Hadas struct ib_pd *pd) 11970fb2ed66Smajd@mellanox.com { 1198c4f287c4SSaeed Mahameed u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; 11990fb2ed66Smajd@mellanox.com void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 12000fb2ed66Smajd@mellanox.com 12011cd6dbd3SYishai Hadas MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid); 12020fb2ed66Smajd@mellanox.com MLX5_SET(tisc, tisc, transport_domain, tdn); 1203c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 1204c2e53b2cSYishai Hadas MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn); 1205c2e53b2cSYishai Hadas 12060fb2ed66Smajd@mellanox.com return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); 12070fb2ed66Smajd@mellanox.com } 12080fb2ed66Smajd@mellanox.com 12090fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, 12101cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, struct ib_pd *pd) 12110fb2ed66Smajd@mellanox.com { 12121cd6dbd3SYishai Hadas mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid); 12130fb2ed66Smajd@mellanox.com } 12140fb2ed66Smajd@mellanox.com 1215d5ed8ac3SMark Bloch static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq) 1216b96c9ddeSMark Bloch { 1217b96c9ddeSMark Bloch if (sq->flow_rule) 1218b96c9ddeSMark Bloch mlx5_del_flow_rules(sq->flow_rule); 1219d5ed8ac3SMark Bloch sq->flow_rule = NULL; 1220b96c9ddeSMark Bloch } 1221b96c9ddeSMark Bloch 12220fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 1223b0ea0fa5SJason Gunthorpe struct ib_udata *udata, 12240fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq, void *qpin, 12250fb2ed66Smajd@mellanox.com struct ib_pd *pd) 12260fb2ed66Smajd@mellanox.com { 12270fb2ed66Smajd@mellanox.com struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; 12280fb2ed66Smajd@mellanox.com __be64 *pas; 12290fb2ed66Smajd@mellanox.com void *in; 12300fb2ed66Smajd@mellanox.com void *sqc; 12310fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 12320fb2ed66Smajd@mellanox.com void *wq; 12330fb2ed66Smajd@mellanox.com int inlen; 12340fb2ed66Smajd@mellanox.com int err; 12350fb2ed66Smajd@mellanox.com int page_shift = 0; 12360fb2ed66Smajd@mellanox.com int npages; 12370fb2ed66Smajd@mellanox.com int ncont = 0; 12380fb2ed66Smajd@mellanox.com u32 offset = 0; 12390fb2ed66Smajd@mellanox.com 1240b0ea0fa5SJason Gunthorpe err = mlx5_ib_umem_get(dev, udata, ubuffer->buf_addr, ubuffer->buf_size, 1241b0ea0fa5SJason Gunthorpe &sq->ubuffer.umem, &npages, &page_shift, &ncont, 1242b0ea0fa5SJason Gunthorpe &offset); 12430fb2ed66Smajd@mellanox.com if (err) 12440fb2ed66Smajd@mellanox.com return err; 12450fb2ed66Smajd@mellanox.com 12460fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; 12471b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 12480fb2ed66Smajd@mellanox.com if (!in) { 12490fb2ed66Smajd@mellanox.com err = -ENOMEM; 12500fb2ed66Smajd@mellanox.com goto err_umem; 12510fb2ed66Smajd@mellanox.com } 12520fb2ed66Smajd@mellanox.com 1253c14003f0SYishai Hadas MLX5_SET(create_sq_in, in, uid, to_mpd(pd)->uid); 12540fb2ed66Smajd@mellanox.com sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 12550fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1256795b609cSBodong Wang if (MLX5_CAP_ETH(dev->mdev, multi_pkt_send_wqe)) 1257795b609cSBodong Wang MLX5_SET(sqc, sqc, allow_multi_pkt_send_wqe, 1); 12580fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 12590fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); 12600fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); 12610fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_lst_sz, 1); 12620fb2ed66Smajd@mellanox.com MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); 126396dc3fc5SNoa Osherovich if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 126496dc3fc5SNoa Osherovich MLX5_CAP_ETH(dev->mdev, swp)) 126596dc3fc5SNoa Osherovich MLX5_SET(sqc, sqc, allow_swp, 1); 12660fb2ed66Smajd@mellanox.com 12670fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(sqc, sqc, wq); 12680fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 12690fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 12700fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); 12710fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 12720fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 12730fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); 12740fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); 12750fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, offset); 12760fb2ed66Smajd@mellanox.com 12770fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 12780fb2ed66Smajd@mellanox.com mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); 12790fb2ed66Smajd@mellanox.com 12800fb2ed66Smajd@mellanox.com err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); 12810fb2ed66Smajd@mellanox.com 12820fb2ed66Smajd@mellanox.com kvfree(in); 12830fb2ed66Smajd@mellanox.com 12840fb2ed66Smajd@mellanox.com if (err) 12850fb2ed66Smajd@mellanox.com goto err_umem; 12860fb2ed66Smajd@mellanox.com 12870fb2ed66Smajd@mellanox.com return 0; 12880fb2ed66Smajd@mellanox.com 12890fb2ed66Smajd@mellanox.com err_umem: 12900fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 12910fb2ed66Smajd@mellanox.com sq->ubuffer.umem = NULL; 12920fb2ed66Smajd@mellanox.com 12930fb2ed66Smajd@mellanox.com return err; 12940fb2ed66Smajd@mellanox.com } 12950fb2ed66Smajd@mellanox.com 12960fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, 12970fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq) 12980fb2ed66Smajd@mellanox.com { 1299d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 13000fb2ed66Smajd@mellanox.com mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); 13010fb2ed66Smajd@mellanox.com ib_umem_release(sq->ubuffer.umem); 13020fb2ed66Smajd@mellanox.com } 13030fb2ed66Smajd@mellanox.com 13042c292dbbSBoris Pismenny static size_t get_rq_pas_size(void *qpc) 13050fb2ed66Smajd@mellanox.com { 13060fb2ed66Smajd@mellanox.com u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; 13070fb2ed66Smajd@mellanox.com u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); 13080fb2ed66Smajd@mellanox.com u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); 13090fb2ed66Smajd@mellanox.com u32 page_offset = MLX5_GET(qpc, qpc, page_offset); 13100fb2ed66Smajd@mellanox.com u32 po_quanta = 1 << (log_page_size - 6); 13110fb2ed66Smajd@mellanox.com u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); 13120fb2ed66Smajd@mellanox.com u32 page_size = 1 << log_page_size; 13130fb2ed66Smajd@mellanox.com u32 rq_sz_po = rq_sz + (page_offset * po_quanta); 13140fb2ed66Smajd@mellanox.com u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; 13150fb2ed66Smajd@mellanox.com 13160fb2ed66Smajd@mellanox.com return rq_num_pas * sizeof(u64); 13170fb2ed66Smajd@mellanox.com } 13180fb2ed66Smajd@mellanox.com 13190fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13202c292dbbSBoris Pismenny struct mlx5_ib_rq *rq, void *qpin, 132134d57585SYishai Hadas size_t qpinlen, struct ib_pd *pd) 13220fb2ed66Smajd@mellanox.com { 1323358e42eaSMajd Dibbiny struct mlx5_ib_qp *mqp = rq->base.container_mibqp; 13240fb2ed66Smajd@mellanox.com __be64 *pas; 13250fb2ed66Smajd@mellanox.com __be64 *qp_pas; 13260fb2ed66Smajd@mellanox.com void *in; 13270fb2ed66Smajd@mellanox.com void *rqc; 13280fb2ed66Smajd@mellanox.com void *wq; 13290fb2ed66Smajd@mellanox.com void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); 13302c292dbbSBoris Pismenny size_t rq_pas_size = get_rq_pas_size(qpc); 13312c292dbbSBoris Pismenny size_t inlen; 13320fb2ed66Smajd@mellanox.com int err; 13332c292dbbSBoris Pismenny 13342c292dbbSBoris Pismenny if (qpinlen < rq_pas_size + MLX5_BYTE_OFF(create_qp_in, pas)) 13352c292dbbSBoris Pismenny return -EINVAL; 13360fb2ed66Smajd@mellanox.com 13370fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; 13381b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 13390fb2ed66Smajd@mellanox.com if (!in) 13400fb2ed66Smajd@mellanox.com return -ENOMEM; 13410fb2ed66Smajd@mellanox.com 134234d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 13430fb2ed66Smajd@mellanox.com rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 1344e4cc4fa7SNoa Osherovich if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) 13450fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, vsd, 1); 13460fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 13470fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 13480fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, flush_in_error_en, 1); 13490fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); 13500fb2ed66Smajd@mellanox.com MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); 13510fb2ed66Smajd@mellanox.com 1352358e42eaSMajd Dibbiny if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) 1353358e42eaSMajd Dibbiny MLX5_SET(rqc, rqc, scatter_fcs, 1); 1354358e42eaSMajd Dibbiny 13550fb2ed66Smajd@mellanox.com wq = MLX5_ADDR_OF(rqc, rqc, wq); 13560fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1357b1383aa6SNoa Osherovich if (rq->flags & MLX5_IB_RQ_PCI_WRITE_END_PADDING) 1358b1383aa6SNoa Osherovich MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 13590fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); 13600fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); 13610fb2ed66Smajd@mellanox.com MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); 13620fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); 13630fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); 13640fb2ed66Smajd@mellanox.com MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); 13650fb2ed66Smajd@mellanox.com 13660fb2ed66Smajd@mellanox.com pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 13670fb2ed66Smajd@mellanox.com qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); 13680fb2ed66Smajd@mellanox.com memcpy(pas, qp_pas, rq_pas_size); 13690fb2ed66Smajd@mellanox.com 13700fb2ed66Smajd@mellanox.com err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); 13710fb2ed66Smajd@mellanox.com 13720fb2ed66Smajd@mellanox.com kvfree(in); 13730fb2ed66Smajd@mellanox.com 13740fb2ed66Smajd@mellanox.com return err; 13750fb2ed66Smajd@mellanox.com } 13760fb2ed66Smajd@mellanox.com 13770fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, 13780fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq) 13790fb2ed66Smajd@mellanox.com { 13800fb2ed66Smajd@mellanox.com mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); 13810fb2ed66Smajd@mellanox.com } 13820fb2ed66Smajd@mellanox.com 1383f95ef6cbSMaor Gottlieb static bool tunnel_offload_supported(struct mlx5_core_dev *dev) 1384f95ef6cbSMaor Gottlieb { 1385f95ef6cbSMaor Gottlieb return (MLX5_CAP_ETH(dev, tunnel_stateless_vxlan) || 1386f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_gre) || 1387f95ef6cbSMaor Gottlieb MLX5_CAP_ETH(dev, tunnel_stateless_geneve_rx)); 1388f95ef6cbSMaor Gottlieb } 1389f95ef6cbSMaor Gottlieb 13900042f9e4SMark Bloch static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 13910042f9e4SMark Bloch struct mlx5_ib_rq *rq, 1392443c1cf9SYishai Hadas u32 qp_flags_en, 1393443c1cf9SYishai Hadas struct ib_pd *pd) 13940042f9e4SMark Bloch { 13950042f9e4SMark Bloch if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 13960042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 13970042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1398443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid); 13990042f9e4SMark Bloch } 14000042f9e4SMark Bloch 14010fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, 1402f95ef6cbSMaor Gottlieb struct mlx5_ib_rq *rq, u32 tdn, 1403443c1cf9SYishai Hadas u32 *qp_flags_en, 14041f1d6abbSAriel Levkovich struct ib_pd *pd, 14051f1d6abbSAriel Levkovich u32 *out, int outlen) 14060fb2ed66Smajd@mellanox.com { 1407175edba8SMark Bloch u8 lb_flag = 0; 14080fb2ed66Smajd@mellanox.com u32 *in; 14090fb2ed66Smajd@mellanox.com void *tirc; 14100fb2ed66Smajd@mellanox.com int inlen; 14110fb2ed66Smajd@mellanox.com int err; 14120fb2ed66Smajd@mellanox.com 14130fb2ed66Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(create_tir_in); 14141b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 14150fb2ed66Smajd@mellanox.com if (!in) 14160fb2ed66Smajd@mellanox.com return -ENOMEM; 14170fb2ed66Smajd@mellanox.com 1418443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 14190fb2ed66Smajd@mellanox.com tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 14200fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 14210fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); 14220fb2ed66Smajd@mellanox.com MLX5_SET(tirc, tirc, transport_domain, tdn); 1423175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1424f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 14250fb2ed66Smajd@mellanox.com 1426175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) 1427175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1428175edba8SMark Bloch 1429175edba8SMark Bloch if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) 1430175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1431175edba8SMark Bloch 14326a4d00beSMark Bloch if (dev->is_rep) { 1433175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1434175edba8SMark Bloch *qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1435175edba8SMark Bloch } 1436175edba8SMark Bloch 1437175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1438ec9c2fb8SMark Bloch 14391f1d6abbSAriel Levkovich err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); 14400fb2ed66Smajd@mellanox.com 14411f1d6abbSAriel Levkovich rq->tirn = MLX5_GET(create_tir_out, out, tirn); 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; 14671f1d6abbSAriel Levkovich u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; 14680fb2ed66Smajd@mellanox.com 14690fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 14701cd6dbd3SYishai Hadas err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); 14710fb2ed66Smajd@mellanox.com if (err) 14720fb2ed66Smajd@mellanox.com return err; 14730fb2ed66Smajd@mellanox.com 1474b0ea0fa5SJason Gunthorpe err = create_raw_packet_qp_sq(dev, udata, sq, in, pd); 14750fb2ed66Smajd@mellanox.com if (err) 14760fb2ed66Smajd@mellanox.com goto err_destroy_tis; 14770fb2ed66Smajd@mellanox.com 14787f72052cSYishai Hadas if (uid) { 14797f72052cSYishai Hadas resp->tisn = sq->tisn; 14807f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TISN; 14817f72052cSYishai Hadas resp->sqn = sq->base.mqp.qpn; 14827f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_SQN; 14837f72052cSYishai Hadas } 14847f72052cSYishai Hadas 14850fb2ed66Smajd@mellanox.com sq->base.container_mibqp = qp; 14861d31e9c0SMajd Dibbiny sq->base.mqp.event = mlx5_ib_qp_event; 14870fb2ed66Smajd@mellanox.com } 14880fb2ed66Smajd@mellanox.com 14890fb2ed66Smajd@mellanox.com if (qp->rq.wqe_cnt) { 1490358e42eaSMajd Dibbiny rq->base.container_mibqp = qp; 1491358e42eaSMajd Dibbiny 1492e4cc4fa7SNoa Osherovich if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) 1493e4cc4fa7SNoa Osherovich rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; 1494b1383aa6SNoa Osherovich if (qp->flags & MLX5_IB_QP_PCI_WRITE_END_PADDING) 1495b1383aa6SNoa Osherovich rq->flags |= MLX5_IB_RQ_PCI_WRITE_END_PADDING; 149634d57585SYishai Hadas err = create_raw_packet_qp_rq(dev, rq, in, inlen, pd); 14970fb2ed66Smajd@mellanox.com if (err) 14980fb2ed66Smajd@mellanox.com goto err_destroy_sq; 14990fb2ed66Smajd@mellanox.com 15001f1d6abbSAriel Levkovich err = create_raw_packet_qp_tir( 15011f1d6abbSAriel Levkovich dev, rq, tdn, &qp->flags_en, pd, out, 15021f1d6abbSAriel Levkovich MLX5_ST_SZ_BYTES(create_tir_out)); 15030fb2ed66Smajd@mellanox.com if (err) 15040fb2ed66Smajd@mellanox.com goto err_destroy_rq; 15057f72052cSYishai Hadas 15067f72052cSYishai Hadas if (uid) { 15077f72052cSYishai Hadas resp->rqn = rq->base.mqp.qpn; 15087f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN; 15097f72052cSYishai Hadas resp->tirn = rq->tirn; 15107f72052cSYishai Hadas resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 15111f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 15121f1d6abbSAriel Levkovich resp->tir_icm_addr = MLX5_GET( 15131f1d6abbSAriel Levkovich create_tir_out, out, icm_address_31_0); 15141f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15151f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15161f1d6abbSAriel Levkovich icm_address_39_32) 15171f1d6abbSAriel Levkovich << 32; 15181f1d6abbSAriel Levkovich resp->tir_icm_addr |= 15191f1d6abbSAriel Levkovich (u64)MLX5_GET(create_tir_out, out, 15201f1d6abbSAriel Levkovich icm_address_63_40) 15211f1d6abbSAriel Levkovich << 40; 15221f1d6abbSAriel Levkovich resp->comp_mask |= 15231f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 15241f1d6abbSAriel Levkovich } 15257f72052cSYishai Hadas } 15260fb2ed66Smajd@mellanox.com } 15270fb2ed66Smajd@mellanox.com 15280fb2ed66Smajd@mellanox.com qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : 15290fb2ed66Smajd@mellanox.com rq->base.mqp.qpn; 15307f72052cSYishai Hadas err = ib_copy_to_udata(udata, resp, min(udata->outlen, sizeof(*resp))); 15317f72052cSYishai Hadas if (err) 15327f72052cSYishai Hadas goto err_destroy_tir; 15330fb2ed66Smajd@mellanox.com 15340fb2ed66Smajd@mellanox.com return 0; 15350fb2ed66Smajd@mellanox.com 15367f72052cSYishai Hadas err_destroy_tir: 15377f72052cSYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, pd); 15380fb2ed66Smajd@mellanox.com err_destroy_rq: 15390fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15400fb2ed66Smajd@mellanox.com err_destroy_sq: 15410fb2ed66Smajd@mellanox.com if (!qp->sq.wqe_cnt) 15420fb2ed66Smajd@mellanox.com return err; 15430fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15440fb2ed66Smajd@mellanox.com err_destroy_tis: 15451cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, pd); 15460fb2ed66Smajd@mellanox.com 15470fb2ed66Smajd@mellanox.com return err; 15480fb2ed66Smajd@mellanox.com } 15490fb2ed66Smajd@mellanox.com 15500fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, 15510fb2ed66Smajd@mellanox.com struct mlx5_ib_qp *qp) 15520fb2ed66Smajd@mellanox.com { 15530fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 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 if (qp->rq.wqe_cnt) { 1558443c1cf9SYishai Hadas destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd); 15590fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_rq(dev, rq); 15600fb2ed66Smajd@mellanox.com } 15610fb2ed66Smajd@mellanox.com 15620fb2ed66Smajd@mellanox.com if (qp->sq.wqe_cnt) { 15630fb2ed66Smajd@mellanox.com destroy_raw_packet_qp_sq(dev, sq); 15641cd6dbd3SYishai Hadas destroy_raw_packet_qp_tis(dev, sq, qp->ibqp.pd); 15650fb2ed66Smajd@mellanox.com } 15660fb2ed66Smajd@mellanox.com } 15670fb2ed66Smajd@mellanox.com 15680fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, 15690fb2ed66Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp) 15700fb2ed66Smajd@mellanox.com { 15710fb2ed66Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 15720fb2ed66Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 15730fb2ed66Smajd@mellanox.com 15740fb2ed66Smajd@mellanox.com sq->sq = &qp->sq; 15750fb2ed66Smajd@mellanox.com rq->rq = &qp->rq; 15760fb2ed66Smajd@mellanox.com sq->doorbell = &qp->db; 15770fb2ed66Smajd@mellanox.com rq->doorbell = &qp->db; 15780fb2ed66Smajd@mellanox.com } 15790fb2ed66Smajd@mellanox.com 158028d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) 158128d61370SYishai Hadas { 15820042f9e4SMark Bloch if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 15830042f9e4SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) 15840042f9e4SMark Bloch mlx5_ib_disable_lb(dev, false, true); 1585443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1586443c1cf9SYishai Hadas to_mpd(qp->ibqp.pd)->uid); 158728d61370SYishai Hadas } 158828d61370SYishai Hadas 158928d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 159028d61370SYishai Hadas struct ib_pd *pd, 159128d61370SYishai Hadas struct ib_qp_init_attr *init_attr, 159228d61370SYishai Hadas struct ib_udata *udata) 159328d61370SYishai Hadas { 159489944450SShamir Rabinovitch struct mlx5_ib_ucontext *mucontext = rdma_udata_to_drv_context( 159589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 159628d61370SYishai Hadas struct mlx5_ib_create_qp_resp resp = {}; 159728d61370SYishai Hadas int inlen; 15981f1d6abbSAriel Levkovich int outlen; 159928d61370SYishai Hadas int err; 160028d61370SYishai Hadas u32 *in; 16011f1d6abbSAriel Levkovich u32 *out; 160228d61370SYishai Hadas void *tirc; 160328d61370SYishai Hadas void *hfso; 160428d61370SYishai Hadas u32 selected_fields = 0; 16052d93fc85SMatan Barak u32 outer_l4; 160628d61370SYishai Hadas size_t min_resp_len; 160728d61370SYishai Hadas u32 tdn = mucontext->tdn; 160828d61370SYishai Hadas struct mlx5_ib_create_qp_rss ucmd = {}; 160928d61370SYishai Hadas size_t required_cmd_sz; 1610175edba8SMark Bloch u8 lb_flag = 0; 161128d61370SYishai Hadas 161228d61370SYishai Hadas if (init_attr->qp_type != IB_QPT_RAW_PACKET) 161328d61370SYishai Hadas return -EOPNOTSUPP; 161428d61370SYishai Hadas 161528d61370SYishai Hadas if (init_attr->create_flags || init_attr->send_cq) 161628d61370SYishai Hadas return -EINVAL; 161728d61370SYishai Hadas 16182f5ff264SEli Cohen min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); 161928d61370SYishai Hadas if (udata->outlen < min_resp_len) 162028d61370SYishai Hadas return -EINVAL; 162128d61370SYishai Hadas 1622f95ef6cbSMaor Gottlieb required_cmd_sz = offsetof(typeof(ucmd), flags) + sizeof(ucmd.flags); 162328d61370SYishai Hadas if (udata->inlen < required_cmd_sz) { 162428d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 162528d61370SYishai Hadas return -EINVAL; 162628d61370SYishai Hadas } 162728d61370SYishai Hadas 162828d61370SYishai Hadas if (udata->inlen > sizeof(ucmd) && 162928d61370SYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 163028d61370SYishai Hadas udata->inlen - sizeof(ucmd))) { 163128d61370SYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 163228d61370SYishai Hadas return -EOPNOTSUPP; 163328d61370SYishai Hadas } 163428d61370SYishai Hadas 163528d61370SYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 163628d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 163728d61370SYishai Hadas return -EFAULT; 163828d61370SYishai Hadas } 163928d61370SYishai Hadas 164028d61370SYishai Hadas if (ucmd.comp_mask) { 164128d61370SYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 164228d61370SYishai Hadas return -EOPNOTSUPP; 164328d61370SYishai Hadas } 164428d61370SYishai Hadas 1645175edba8SMark Bloch if (ucmd.flags & ~(MLX5_QP_FLAG_TUNNEL_OFFLOADS | 1646175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 1647175edba8SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)) { 1648f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "invalid flags\n"); 1649f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 1650f95ef6cbSMaor Gottlieb } 1651f95ef6cbSMaor Gottlieb 1652f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS && 1653f95ef6cbSMaor Gottlieb !tunnel_offload_supported(dev->mdev)) { 1654f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "tunnel offloads isn't supported\n"); 165528d61370SYishai Hadas return -EOPNOTSUPP; 165628d61370SYishai Hadas } 165728d61370SYishai Hadas 1658309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER && 1659309fa347SMaor Gottlieb !(ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS)) { 1660309fa347SMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offloads must be set for inner RSS\n"); 1661309fa347SMaor Gottlieb return -EOPNOTSUPP; 1662309fa347SMaor Gottlieb } 1663309fa347SMaor Gottlieb 16646a4d00beSMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) { 1665175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST; 1666175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 1667175edba8SMark Bloch } 1668175edba8SMark Bloch 1669175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 1670175edba8SMark Bloch lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST; 1671175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 1672175edba8SMark Bloch } 1673175edba8SMark Bloch 167441d902cbSJason Gunthorpe err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 167528d61370SYishai Hadas if (err) { 167628d61370SYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 167728d61370SYishai Hadas return -EINVAL; 167828d61370SYishai Hadas } 167928d61370SYishai Hadas 168028d61370SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_tir_in); 16811f1d6abbSAriel Levkovich outlen = MLX5_ST_SZ_BYTES(create_tir_out); 16821f1d6abbSAriel Levkovich in = kvzalloc(inlen + outlen, GFP_KERNEL); 168328d61370SYishai Hadas if (!in) 168428d61370SYishai Hadas return -ENOMEM; 168528d61370SYishai Hadas 16861f1d6abbSAriel Levkovich out = in + MLX5_ST_SZ_DW(create_tir_in); 1687443c1cf9SYishai Hadas MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid); 168828d61370SYishai Hadas tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 168928d61370SYishai Hadas MLX5_SET(tirc, tirc, disp_type, 169028d61370SYishai Hadas MLX5_TIRC_DISP_TYPE_INDIRECT); 169128d61370SYishai Hadas MLX5_SET(tirc, tirc, indirect_table, 169228d61370SYishai Hadas init_attr->rwq_ind_tbl->ind_tbl_num); 169328d61370SYishai Hadas MLX5_SET(tirc, tirc, transport_domain, tdn); 169428d61370SYishai Hadas 169528d61370SYishai Hadas hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1696f95ef6cbSMaor Gottlieb 1697f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) 1698f95ef6cbSMaor Gottlieb MLX5_SET(tirc, tirc, tunneled_offload_en, 1); 1699f95ef6cbSMaor Gottlieb 1700175edba8SMark Bloch MLX5_SET(tirc, tirc, self_lb_block, lb_flag); 1701175edba8SMark Bloch 1702309fa347SMaor Gottlieb if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_INNER) 1703309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner); 1704309fa347SMaor Gottlieb else 1705309fa347SMaor Gottlieb hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1706309fa347SMaor Gottlieb 170728d61370SYishai Hadas switch (ucmd.rx_hash_function) { 170828d61370SYishai Hadas case MLX5_RX_HASH_FUNC_TOEPLITZ: 170928d61370SYishai Hadas { 171028d61370SYishai Hadas void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 171128d61370SYishai Hadas size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); 171228d61370SYishai Hadas 171328d61370SYishai Hadas if (len != ucmd.rx_key_len) { 171428d61370SYishai Hadas err = -EINVAL; 171528d61370SYishai Hadas goto err; 171628d61370SYishai Hadas } 171728d61370SYishai Hadas 171828d61370SYishai Hadas MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); 171928d61370SYishai Hadas memcpy(rss_key, ucmd.rx_hash_key, len); 172028d61370SYishai Hadas break; 172128d61370SYishai Hadas } 172228d61370SYishai Hadas default: 172328d61370SYishai Hadas err = -EOPNOTSUPP; 172428d61370SYishai Hadas goto err; 172528d61370SYishai Hadas } 172628d61370SYishai Hadas 172728d61370SYishai Hadas if (!ucmd.rx_hash_fields_mask) { 172828d61370SYishai Hadas /* special case when this TIR serves as steering entry without hashing */ 172928d61370SYishai Hadas if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) 173028d61370SYishai Hadas goto create_tir; 173128d61370SYishai Hadas err = -EINVAL; 173228d61370SYishai Hadas goto err; 173328d61370SYishai Hadas } 173428d61370SYishai Hadas 173528d61370SYishai Hadas if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 173628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && 173728d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 173828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { 173928d61370SYishai Hadas err = -EINVAL; 174028d61370SYishai Hadas goto err; 174128d61370SYishai Hadas } 174228d61370SYishai Hadas 174328d61370SYishai Hadas /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ 174428d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 174528d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) 174628d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 174728d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV4); 174828d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || 174928d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 175028d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 175128d61370SYishai Hadas MLX5_L3_PROT_TYPE_IPV6); 175228d61370SYishai Hadas 17532d93fc85SMatan Barak outer_l4 = ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 17542d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) << 0 | 175528d61370SYishai Hadas ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 17562d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) << 1 | 17572d93fc85SMatan Barak (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) << 2; 17582d93fc85SMatan Barak 17592d93fc85SMatan Barak /* Check that only one l4 protocol is set */ 17602d93fc85SMatan Barak if (outer_l4 & (outer_l4 - 1)) { 176128d61370SYishai Hadas err = -EINVAL; 176228d61370SYishai Hadas goto err; 176328d61370SYishai Hadas } 176428d61370SYishai Hadas 176528d61370SYishai Hadas /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ 176628d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 176728d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) 176828d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 176928d61370SYishai Hadas MLX5_L4_PROT_TYPE_TCP); 177028d61370SYishai Hadas else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || 177128d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 177228d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 177328d61370SYishai Hadas MLX5_L4_PROT_TYPE_UDP); 177428d61370SYishai Hadas 177528d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || 177628d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) 177728d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; 177828d61370SYishai Hadas 177928d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || 178028d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) 178128d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; 178228d61370SYishai Hadas 178328d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || 178428d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) 178528d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; 178628d61370SYishai Hadas 178728d61370SYishai Hadas if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || 178828d61370SYishai Hadas (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) 178928d61370SYishai Hadas selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; 179028d61370SYishai Hadas 17912d93fc85SMatan Barak if (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_IPSEC_SPI) 17922d93fc85SMatan Barak selected_fields |= MLX5_HASH_FIELD_SEL_IPSEC_SPI; 17932d93fc85SMatan Barak 179428d61370SYishai Hadas MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); 179528d61370SYishai Hadas 179628d61370SYishai Hadas create_tir: 17971f1d6abbSAriel Levkovich err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen); 179828d61370SYishai Hadas 17991f1d6abbSAriel Levkovich qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn); 18000042f9e4SMark Bloch if (!err && MLX5_GET(tirc, tirc, self_lb_block)) { 18010042f9e4SMark Bloch err = mlx5_ib_enable_lb(dev, false, true); 18020042f9e4SMark Bloch 18030042f9e4SMark Bloch if (err) 1804443c1cf9SYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, 1805443c1cf9SYishai Hadas to_mpd(pd)->uid); 18060042f9e4SMark Bloch } 18070042f9e4SMark Bloch 180828d61370SYishai Hadas if (err) 180928d61370SYishai Hadas goto err; 181028d61370SYishai Hadas 18117f72052cSYishai Hadas if (mucontext->devx_uid) { 18127f72052cSYishai Hadas resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN; 18137f72052cSYishai Hadas resp.tirn = qp->rss_qp.tirn; 18141f1d6abbSAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) { 18151f1d6abbSAriel Levkovich resp.tir_icm_addr = 18161f1d6abbSAriel Levkovich MLX5_GET(create_tir_out, out, icm_address_31_0); 18171f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18181f1d6abbSAriel Levkovich icm_address_39_32) 18191f1d6abbSAriel Levkovich << 32; 18201f1d6abbSAriel Levkovich resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out, 18211f1d6abbSAriel Levkovich icm_address_63_40) 18221f1d6abbSAriel Levkovich << 40; 18231f1d6abbSAriel Levkovich resp.comp_mask |= 18241f1d6abbSAriel Levkovich MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR; 18251f1d6abbSAriel Levkovich } 18267f72052cSYishai Hadas } 18277f72052cSYishai Hadas 18287f72052cSYishai Hadas err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp))); 18297f72052cSYishai Hadas if (err) 18307f72052cSYishai Hadas goto err_copy; 18317f72052cSYishai Hadas 183228d61370SYishai Hadas kvfree(in); 183328d61370SYishai Hadas /* qpn is reserved for that QP */ 183428d61370SYishai Hadas qp->trans_qp.base.mqp.qpn = 0; 1835d9f88e5aSYishai Hadas qp->flags |= MLX5_IB_QP_RSS; 183628d61370SYishai Hadas return 0; 183728d61370SYishai Hadas 18387f72052cSYishai Hadas err_copy: 18397f72052cSYishai Hadas mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn, mucontext->devx_uid); 184028d61370SYishai Hadas err: 184128d61370SYishai Hadas kvfree(in); 184228d61370SYishai Hadas return err; 184328d61370SYishai Hadas } 184428d61370SYishai Hadas 18455d6ff1baSYonatan Cohen static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, 18465d6ff1baSYonatan Cohen void *qpc) 18475d6ff1baSYonatan Cohen { 18485d6ff1baSYonatan Cohen int rcqe_sz; 18495d6ff1baSYonatan Cohen 18505d6ff1baSYonatan Cohen if (init_attr->qp_type == MLX5_IB_QPT_DCI) 18515d6ff1baSYonatan Cohen return; 18525d6ff1baSYonatan Cohen 18535d6ff1baSYonatan Cohen rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); 18545d6ff1baSYonatan Cohen 18557249c8eaSGuy Levi if (init_attr->qp_type == MLX5_IB_QPT_DCT) { 18567249c8eaSGuy Levi if (rcqe_sz == 128) 18577249c8eaSGuy Levi MLX5_SET(dctc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); 18587249c8eaSGuy Levi 18595d6ff1baSYonatan Cohen return; 18605d6ff1baSYonatan Cohen } 18615d6ff1baSYonatan Cohen 18627249c8eaSGuy Levi MLX5_SET(qpc, qpc, cs_res, 18637249c8eaSGuy Levi rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : 18647249c8eaSGuy Levi MLX5_RES_SCAT_DATA32_CQE); 18655d6ff1baSYonatan Cohen } 18665d6ff1baSYonatan Cohen 18675d6ff1baSYonatan Cohen static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, 18685d6ff1baSYonatan Cohen struct ib_qp_init_attr *init_attr, 18696f4bc0eaSYonatan Cohen struct mlx5_ib_create_qp *ucmd, 18705d6ff1baSYonatan Cohen void *qpc) 18715d6ff1baSYonatan Cohen { 18725d6ff1baSYonatan Cohen enum ib_qp_type qpt = init_attr->qp_type; 18735d6ff1baSYonatan Cohen int scqe_sz; 18742ab367a7Szhengbin bool allow_scat_cqe = false; 18755d6ff1baSYonatan Cohen 18765d6ff1baSYonatan Cohen if (qpt == IB_QPT_UC || qpt == IB_QPT_UD) 18775d6ff1baSYonatan Cohen return; 18785d6ff1baSYonatan Cohen 18796f4bc0eaSYonatan Cohen if (ucmd) 18806f4bc0eaSYonatan Cohen allow_scat_cqe = ucmd->flags & MLX5_QP_FLAG_ALLOW_SCATTER_CQE; 18816f4bc0eaSYonatan Cohen 18826f4bc0eaSYonatan Cohen if (!allow_scat_cqe && init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) 18835d6ff1baSYonatan Cohen return; 18845d6ff1baSYonatan Cohen 18855d6ff1baSYonatan Cohen scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq); 18865d6ff1baSYonatan Cohen if (scqe_sz == 128) { 18875d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); 18885d6ff1baSYonatan Cohen return; 18895d6ff1baSYonatan Cohen } 18905d6ff1baSYonatan Cohen 18915d6ff1baSYonatan Cohen if (init_attr->qp_type != MLX5_IB_QPT_DCI || 18925d6ff1baSYonatan Cohen MLX5_CAP_GEN(dev->mdev, dc_req_scat_data_cqe)) 18935d6ff1baSYonatan Cohen MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); 18945d6ff1baSYonatan Cohen } 18955d6ff1baSYonatan Cohen 1896a60109dcSYonatan Cohen static int atomic_size_to_mode(int size_mask) 1897a60109dcSYonatan Cohen { 1898a60109dcSYonatan Cohen /* driver does not support atomic_size > 256B 1899a60109dcSYonatan Cohen * and does not know how to translate bigger sizes 1900a60109dcSYonatan Cohen */ 1901a60109dcSYonatan Cohen int supported_size_mask = size_mask & 0x1ff; 1902a60109dcSYonatan Cohen int log_max_size; 1903a60109dcSYonatan Cohen 1904a60109dcSYonatan Cohen if (!supported_size_mask) 1905a60109dcSYonatan Cohen return -EOPNOTSUPP; 1906a60109dcSYonatan Cohen 1907a60109dcSYonatan Cohen log_max_size = __fls(supported_size_mask); 1908a60109dcSYonatan Cohen 1909a60109dcSYonatan Cohen if (log_max_size > 3) 1910a60109dcSYonatan Cohen return log_max_size; 1911a60109dcSYonatan Cohen 1912a60109dcSYonatan Cohen return MLX5_ATOMIC_MODE_8B; 1913a60109dcSYonatan Cohen } 1914a60109dcSYonatan Cohen 1915a60109dcSYonatan Cohen static int get_atomic_mode(struct mlx5_ib_dev *dev, 1916a60109dcSYonatan Cohen enum ib_qp_type qp_type) 1917a60109dcSYonatan Cohen { 1918a60109dcSYonatan Cohen u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 1919a60109dcSYonatan Cohen u8 atomic = MLX5_CAP_GEN(dev->mdev, atomic); 1920a60109dcSYonatan Cohen int atomic_mode = -EOPNOTSUPP; 1921a60109dcSYonatan Cohen int atomic_size_mask; 1922a60109dcSYonatan Cohen 1923a60109dcSYonatan Cohen if (!atomic) 1924a60109dcSYonatan Cohen return -EOPNOTSUPP; 1925a60109dcSYonatan Cohen 1926a60109dcSYonatan Cohen if (qp_type == MLX5_IB_QPT_DCT) 1927a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); 1928a60109dcSYonatan Cohen else 1929a60109dcSYonatan Cohen atomic_size_mask = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 1930a60109dcSYonatan Cohen 1931a60109dcSYonatan Cohen if ((atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_CMP_SWAP) || 1932a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_EXTENDED_FETCH_ADD)) 1933a60109dcSYonatan Cohen atomic_mode = atomic_size_to_mode(atomic_size_mask); 1934a60109dcSYonatan Cohen 1935a60109dcSYonatan Cohen if (atomic_mode <= 0 && 1936a60109dcSYonatan Cohen (atomic_operations & MLX5_ATOMIC_OPS_CMP_SWAP && 1937a60109dcSYonatan Cohen atomic_operations & MLX5_ATOMIC_OPS_FETCH_ADD)) 1938a60109dcSYonatan Cohen atomic_mode = MLX5_ATOMIC_MODE_IB_COMP; 1939a60109dcSYonatan Cohen 1940a60109dcSYonatan Cohen return atomic_mode; 1941a60109dcSYonatan Cohen } 1942a60109dcSYonatan Cohen 19432e43bb31SYonatan Cohen static inline bool check_flags_mask(uint64_t input, uint64_t supported) 19442e43bb31SYonatan Cohen { 19452e43bb31SYonatan Cohen return (input & ~supported) == 0; 19462e43bb31SYonatan Cohen } 19472e43bb31SYonatan Cohen 1948e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, 1949e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 1950e126ba97SEli Cohen struct ib_udata *udata, struct mlx5_ib_qp *qp) 1951e126ba97SEli Cohen { 1952e126ba97SEli Cohen struct mlx5_ib_resources *devr = &dev->devr; 195309a7d9ecSSaeed Mahameed int inlen = MLX5_ST_SZ_BYTES(create_qp_in); 1954938fe83cSSaeed Mahameed struct mlx5_core_dev *mdev = dev->mdev; 19550625b4baSJason Gunthorpe struct mlx5_ib_create_qp_resp resp = {}; 195689944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 195789944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 195889ea94a7SMaor Gottlieb struct mlx5_ib_cq *send_cq; 195989ea94a7SMaor Gottlieb struct mlx5_ib_cq *recv_cq; 196089ea94a7SMaor Gottlieb unsigned long flags; 1961cfb5e088SHaggai Abramovsky u32 uidx = MLX5_IB_DEFAULT_UIDX; 196209a7d9ecSSaeed Mahameed struct mlx5_ib_create_qp ucmd; 196309a7d9ecSSaeed Mahameed struct mlx5_ib_qp_base *base; 1964e7b169f3SNoa Osherovich int mlx5_st; 1965cfb5e088SHaggai Abramovsky void *qpc; 196609a7d9ecSSaeed Mahameed u32 *in; 196709a7d9ecSSaeed Mahameed int err; 1968e126ba97SEli Cohen 1969e126ba97SEli Cohen mutex_init(&qp->mutex); 1970e126ba97SEli Cohen spin_lock_init(&qp->sq.lock); 1971e126ba97SEli Cohen spin_lock_init(&qp->rq.lock); 1972e126ba97SEli Cohen 1973e7b169f3SNoa Osherovich mlx5_st = to_mlx5_st(init_attr->qp_type); 1974e7b169f3SNoa Osherovich if (mlx5_st < 0) 1975e7b169f3SNoa Osherovich return -EINVAL; 1976e7b169f3SNoa Osherovich 197728d61370SYishai Hadas if (init_attr->rwq_ind_tbl) { 197828d61370SYishai Hadas if (!udata) 197928d61370SYishai Hadas return -ENOSYS; 198028d61370SYishai Hadas 198128d61370SYishai Hadas err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); 198228d61370SYishai Hadas return err; 198328d61370SYishai Hadas } 198428d61370SYishai Hadas 1985f360d88aSEli Cohen if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { 1986938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { 1987f360d88aSEli Cohen mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); 1988f360d88aSEli Cohen return -EINVAL; 1989f360d88aSEli Cohen } else { 1990f360d88aSEli Cohen qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; 1991f360d88aSEli Cohen } 1992f360d88aSEli Cohen } 1993f360d88aSEli Cohen 1994051f2630SLeon Romanovsky if (init_attr->create_flags & 1995051f2630SLeon Romanovsky (IB_QP_CREATE_CROSS_CHANNEL | 1996051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_SEND | 1997051f2630SLeon Romanovsky IB_QP_CREATE_MANAGED_RECV)) { 1998051f2630SLeon Romanovsky if (!MLX5_CAP_GEN(mdev, cd)) { 1999051f2630SLeon Romanovsky mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); 2000051f2630SLeon Romanovsky return -EINVAL; 2001051f2630SLeon Romanovsky } 2002051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) 2003051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; 2004051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) 2005051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_SEND; 2006051f2630SLeon Romanovsky if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) 2007051f2630SLeon Romanovsky qp->flags |= MLX5_IB_QP_MANAGED_RECV; 2008051f2630SLeon Romanovsky } 2009f0313965SErez Shitrit 2010f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2011f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) 2012f0313965SErez Shitrit if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { 2013f0313965SErez Shitrit mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); 2014f0313965SErez Shitrit return -EOPNOTSUPP; 2015f0313965SErez Shitrit } 2016f0313965SErez Shitrit 2017358e42eaSMajd Dibbiny if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { 2018358e42eaSMajd Dibbiny if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2019358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); 2020358e42eaSMajd Dibbiny return -EOPNOTSUPP; 2021358e42eaSMajd Dibbiny } 2022358e42eaSMajd Dibbiny if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || 2023358e42eaSMajd Dibbiny !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { 2024358e42eaSMajd Dibbiny mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); 2025358e42eaSMajd Dibbiny return -EOPNOTSUPP; 2026358e42eaSMajd Dibbiny } 2027358e42eaSMajd Dibbiny qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; 2028358e42eaSMajd Dibbiny } 2029358e42eaSMajd Dibbiny 2030e126ba97SEli Cohen if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) 2031e126ba97SEli Cohen qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; 2032e126ba97SEli Cohen 2033e4cc4fa7SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { 2034e4cc4fa7SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 2035e4cc4fa7SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap)) || 2036e4cc4fa7SNoa Osherovich (init_attr->qp_type != IB_QPT_RAW_PACKET)) 2037e4cc4fa7SNoa Osherovich return -EOPNOTSUPP; 2038e4cc4fa7SNoa Osherovich qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; 2039e4cc4fa7SNoa Osherovich } 2040e4cc4fa7SNoa Osherovich 2041e00b64f7SShamir Rabinovitch if (udata) { 2042e126ba97SEli Cohen if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { 2043e126ba97SEli Cohen mlx5_ib_dbg(dev, "copy failed\n"); 2044e126ba97SEli Cohen return -EFAULT; 2045e126ba97SEli Cohen } 2046e126ba97SEli Cohen 20472e43bb31SYonatan Cohen if (!check_flags_mask(ucmd.flags, 2048569c6651SDanit Goldberg MLX5_QP_FLAG_ALLOW_SCATTER_CQE | 20498af526e0SMark Bloch MLX5_QP_FLAG_BFREG_INDEX | 20508af526e0SMark Bloch MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE | 20518af526e0SMark Bloch MLX5_QP_FLAG_SCATTER_CQE | 20528af526e0SMark Bloch MLX5_QP_FLAG_SIGNATURE | 20538af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC | 20548af526e0SMark Bloch MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC | 20558af526e0SMark Bloch MLX5_QP_FLAG_TUNNEL_OFFLOADS | 20568af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCI | 20578af526e0SMark Bloch MLX5_QP_FLAG_TYPE_DCT)) 20582e43bb31SYonatan Cohen return -EINVAL; 20592e43bb31SYonatan Cohen 206089944450SShamir Rabinovitch err = get_qp_user_index(ucontext, &ucmd, udata->inlen, &uidx); 2061cfb5e088SHaggai Abramovsky if (err) 2062cfb5e088SHaggai Abramovsky return err; 2063cfb5e088SHaggai Abramovsky 2064e126ba97SEli Cohen qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); 20655d6ff1baSYonatan Cohen if (MLX5_CAP_GEN(dev->mdev, sctr_data_cqe)) 2066e126ba97SEli Cohen qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); 2067f95ef6cbSMaor Gottlieb if (ucmd.flags & MLX5_QP_FLAG_TUNNEL_OFFLOADS) { 2068f95ef6cbSMaor Gottlieb if (init_attr->qp_type != IB_QPT_RAW_PACKET || 2069f95ef6cbSMaor Gottlieb !tunnel_offload_supported(mdev)) { 2070f95ef6cbSMaor Gottlieb mlx5_ib_dbg(dev, "Tunnel offload isn't supported\n"); 2071f95ef6cbSMaor Gottlieb return -EOPNOTSUPP; 2072f95ef6cbSMaor Gottlieb } 2073175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TUNNEL_OFFLOADS; 2074175edba8SMark Bloch } 2075175edba8SMark Bloch 2076175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC) { 2077175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2078175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UC isn't supported\n"); 2079175edba8SMark Bloch return -EOPNOTSUPP; 2080175edba8SMark Bloch } 2081175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC; 2082175edba8SMark Bloch } 2083175edba8SMark Bloch 2084175edba8SMark Bloch if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC) { 2085175edba8SMark Bloch if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2086175edba8SMark Bloch mlx5_ib_dbg(dev, "Self-LB UM isn't supported\n"); 2087175edba8SMark Bloch return -EOPNOTSUPP; 2088175edba8SMark Bloch } 2089175edba8SMark Bloch qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC; 2090f95ef6cbSMaor Gottlieb } 2091c2e53b2cSYishai Hadas 2092569c6651SDanit Goldberg if (ucmd.flags & MLX5_QP_FLAG_PACKET_BASED_CREDIT_MODE) { 2093569c6651SDanit Goldberg if (init_attr->qp_type != IB_QPT_RC || 2094569c6651SDanit Goldberg !MLX5_CAP_GEN(dev->mdev, qp_packet_based)) { 2095569c6651SDanit Goldberg mlx5_ib_dbg(dev, "packet based credit mode isn't supported\n"); 2096569c6651SDanit Goldberg return -EOPNOTSUPP; 2097569c6651SDanit Goldberg } 2098569c6651SDanit Goldberg qp->flags |= MLX5_IB_QP_PACKET_BASED_CREDIT; 2099569c6651SDanit Goldberg } 2100569c6651SDanit Goldberg 2101c2e53b2cSYishai Hadas if (init_attr->create_flags & IB_QP_CREATE_SOURCE_QPN) { 2102c2e53b2cSYishai Hadas if (init_attr->qp_type != IB_QPT_UD || 2103c2e53b2cSYishai Hadas (MLX5_CAP_GEN(dev->mdev, port_type) != 2104c2e53b2cSYishai Hadas MLX5_CAP_PORT_TYPE_IB) || 2105c2e53b2cSYishai Hadas !mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) { 2106c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "Source QP option isn't supported\n"); 2107c2e53b2cSYishai Hadas return -EOPNOTSUPP; 2108c2e53b2cSYishai Hadas } 2109c2e53b2cSYishai Hadas 2110c2e53b2cSYishai Hadas qp->flags |= MLX5_IB_QP_UNDERLAY; 2111c2e53b2cSYishai Hadas qp->underlay_qpn = init_attr->source_qpn; 2112c2e53b2cSYishai Hadas } 2113e126ba97SEli Cohen } else { 2114e126ba97SEli Cohen qp->wq_sig = !!wq_signature; 2115e126ba97SEli Cohen } 2116e126ba97SEli Cohen 2117c2e53b2cSYishai Hadas base = (init_attr->qp_type == IB_QPT_RAW_PACKET || 2118c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 2119c2e53b2cSYishai Hadas &qp->raw_packet_qp.rq.base : 2120c2e53b2cSYishai Hadas &qp->trans_qp.base; 2121c2e53b2cSYishai Hadas 2122e126ba97SEli Cohen qp->has_rq = qp_has_rq(init_attr); 2123e126ba97SEli Cohen err = set_rq_size(dev, &init_attr->cap, qp->has_rq, 2124e00b64f7SShamir Rabinovitch qp, udata ? &ucmd : NULL); 2125e126ba97SEli Cohen if (err) { 2126e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2127e126ba97SEli Cohen return err; 2128e126ba97SEli Cohen } 2129e126ba97SEli Cohen 2130e126ba97SEli Cohen if (pd) { 2131e00b64f7SShamir Rabinovitch if (udata) { 2132938fe83cSSaeed Mahameed __u32 max_wqes = 2133938fe83cSSaeed Mahameed 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 2134e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); 2135e126ba97SEli Cohen if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || 2136e126ba97SEli Cohen ucmd.rq_wqe_count != qp->rq.wqe_cnt) { 2137e126ba97SEli Cohen mlx5_ib_dbg(dev, "invalid rq params\n"); 2138e126ba97SEli Cohen return -EINVAL; 2139e126ba97SEli Cohen } 2140938fe83cSSaeed Mahameed if (ucmd.sq_wqe_count > max_wqes) { 2141e126ba97SEli Cohen mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", 2142938fe83cSSaeed Mahameed ucmd.sq_wqe_count, max_wqes); 2143e126ba97SEli Cohen return -EINVAL; 2144e126ba97SEli Cohen } 2145b11a4f9cSHaggai Eran if (init_attr->create_flags & 21463f89b01fSMichael Guralnik MLX5_IB_QP_CREATE_SQPN_QP1) { 2147b11a4f9cSHaggai Eran mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); 2148b11a4f9cSHaggai Eran return -EINVAL; 2149b11a4f9cSHaggai Eran } 21500fb2ed66Smajd@mellanox.com err = create_user_qp(dev, pd, qp, udata, init_attr, &in, 21510fb2ed66Smajd@mellanox.com &resp, &inlen, base); 2152e126ba97SEli Cohen if (err) 2153e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2154e126ba97SEli Cohen } else { 215519098df2Smajd@mellanox.com err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, 215619098df2Smajd@mellanox.com base); 2157e126ba97SEli Cohen if (err) 2158e126ba97SEli Cohen mlx5_ib_dbg(dev, "err %d\n", err); 2159e126ba97SEli Cohen } 2160e126ba97SEli Cohen 2161e126ba97SEli Cohen if (err) 2162e126ba97SEli Cohen return err; 2163e126ba97SEli Cohen } else { 21641b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 2165e126ba97SEli Cohen if (!in) 2166e126ba97SEli Cohen return -ENOMEM; 2167e126ba97SEli Cohen 2168e126ba97SEli Cohen qp->create_type = MLX5_QP_EMPTY; 2169e126ba97SEli Cohen } 2170e126ba97SEli Cohen 2171e126ba97SEli Cohen if (is_sqp(init_attr->qp_type)) 2172e126ba97SEli Cohen qp->port = init_attr->port_num; 2173e126ba97SEli Cohen 217409a7d9ecSSaeed Mahameed qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); 217509a7d9ecSSaeed Mahameed 2176e7b169f3SNoa Osherovich MLX5_SET(qpc, qpc, st, mlx5_st); 217709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); 2178e126ba97SEli Cohen 2179e126ba97SEli Cohen if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) 218009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); 2181e126ba97SEli Cohen else 218209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, latency_sensitive, 1); 218309a7d9ecSSaeed Mahameed 2184e126ba97SEli Cohen 2185e126ba97SEli Cohen if (qp->wq_sig) 218609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, wq_signature, 1); 2187e126ba97SEli Cohen 2188f360d88aSEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 218909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, block_lb_mc, 1); 2190f360d88aSEli Cohen 2191051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 219209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_master, 1); 2193051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 219409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_send, 1); 2195051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 219609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cd_slave_receive, 1); 2197569c6651SDanit Goldberg if (qp->flags & MLX5_IB_QP_PACKET_BASED_CREDIT) 2198569c6651SDanit Goldberg MLX5_SET(qpc, qpc, req_e2e_credit_mode, 1); 2199e126ba97SEli Cohen if (qp->scat_cqe && is_connected(init_attr->qp_type)) { 22005d6ff1baSYonatan Cohen configure_responder_scat_cqe(init_attr, qpc); 22016f4bc0eaSYonatan Cohen configure_requester_scat_cqe(dev, init_attr, 2202e00b64f7SShamir Rabinovitch udata ? &ucmd : NULL, 22036f4bc0eaSYonatan Cohen qpc); 2204e126ba97SEli Cohen } 2205e126ba97SEli Cohen 2206e126ba97SEli Cohen if (qp->rq.wqe_cnt) { 220709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); 220809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); 2209e126ba97SEli Cohen } 2210e126ba97SEli Cohen 221109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); 2212e126ba97SEli Cohen 22133fd3307eSArtemy Kovalyov if (qp->sq.wqe_cnt) { 221409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); 22153fd3307eSArtemy Kovalyov } else { 221609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, no_sq, 1); 22173fd3307eSArtemy Kovalyov if (init_attr->srq && 22183fd3307eSArtemy Kovalyov init_attr->srq->srq_type == IB_SRQT_TM) 22193fd3307eSArtemy Kovalyov MLX5_SET(qpc, qpc, offload_type, 22203fd3307eSArtemy Kovalyov MLX5_QPC_OFFLOAD_TYPE_RNDV); 22213fd3307eSArtemy Kovalyov } 2222e126ba97SEli Cohen 2223e126ba97SEli Cohen /* Set default resources */ 2224e126ba97SEli Cohen switch (init_attr->qp_type) { 2225e126ba97SEli Cohen case IB_QPT_XRC_TGT: 222609a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 222709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); 222809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 222909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); 2230e126ba97SEli Cohen break; 2231e126ba97SEli Cohen case IB_QPT_XRC_INI: 223209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); 223309a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 223409a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); 2235e126ba97SEli Cohen break; 2236e126ba97SEli Cohen default: 2237e126ba97SEli Cohen if (init_attr->srq) { 223809a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); 223909a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); 2240e126ba97SEli Cohen } else { 224109a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); 224209a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); 2243e126ba97SEli Cohen } 2244e126ba97SEli Cohen } 2245e126ba97SEli Cohen 2246e126ba97SEli Cohen if (init_attr->send_cq) 224709a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); 2248e126ba97SEli Cohen 2249e126ba97SEli Cohen if (init_attr->recv_cq) 225009a7d9ecSSaeed Mahameed MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); 2251e126ba97SEli Cohen 225209a7d9ecSSaeed Mahameed MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); 2253e126ba97SEli Cohen 2254cfb5e088SHaggai Abramovsky /* 0xffffff means we ask to work with cqe version 0 */ 225509a7d9ecSSaeed Mahameed if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) 2256cfb5e088SHaggai Abramovsky MLX5_SET(qpc, qpc, user_index, uidx); 225709a7d9ecSSaeed Mahameed 2258f0313965SErez Shitrit /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ 2259f0313965SErez Shitrit if (init_attr->qp_type == IB_QPT_UD && 2260f0313965SErez Shitrit (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { 2261f0313965SErez Shitrit MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); 2262f0313965SErez Shitrit qp->flags |= MLX5_IB_QP_LSO; 2263f0313965SErez Shitrit } 2264cfb5e088SHaggai Abramovsky 2265b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_QP_CREATE_PCI_WRITE_END_PADDING) { 2266b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 2267b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "scatter end padding is not supported\n"); 2268b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 2269b1383aa6SNoa Osherovich goto err; 2270b1383aa6SNoa Osherovich } else if (init_attr->qp_type != IB_QPT_RAW_PACKET) { 2271b1383aa6SNoa Osherovich MLX5_SET(qpc, qpc, end_padding_mode, 2272b1383aa6SNoa Osherovich MLX5_WQ_END_PAD_MODE_ALIGN); 2273b1383aa6SNoa Osherovich } else { 2274b1383aa6SNoa Osherovich qp->flags |= MLX5_IB_QP_PCI_WRITE_END_PADDING; 2275b1383aa6SNoa Osherovich } 2276b1383aa6SNoa Osherovich } 2277b1383aa6SNoa Osherovich 22782c292dbbSBoris Pismenny if (inlen < 0) { 22792c292dbbSBoris Pismenny err = -EINVAL; 22802c292dbbSBoris Pismenny goto err; 22812c292dbbSBoris Pismenny } 22822c292dbbSBoris Pismenny 2283c2e53b2cSYishai Hadas if (init_attr->qp_type == IB_QPT_RAW_PACKET || 2284c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 22850fb2ed66Smajd@mellanox.com qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; 22860fb2ed66Smajd@mellanox.com raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); 22877f72052cSYishai Hadas err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata, 22887f72052cSYishai Hadas &resp); 22890fb2ed66Smajd@mellanox.com } else { 229019098df2Smajd@mellanox.com err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); 22910fb2ed66Smajd@mellanox.com } 22920fb2ed66Smajd@mellanox.com 2293e126ba97SEli Cohen if (err) { 2294e126ba97SEli Cohen mlx5_ib_dbg(dev, "create qp failed\n"); 2295e126ba97SEli Cohen goto err_create; 2296e126ba97SEli Cohen } 2297e126ba97SEli Cohen 2298479163f4SAl Viro kvfree(in); 2299e126ba97SEli Cohen 230019098df2Smajd@mellanox.com base->container_mibqp = qp; 230119098df2Smajd@mellanox.com base->mqp.event = mlx5_ib_qp_event; 2302e126ba97SEli Cohen 230389ea94a7SMaor Gottlieb get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, 230489ea94a7SMaor Gottlieb &send_cq, &recv_cq); 230589ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 230689ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 230789ea94a7SMaor Gottlieb /* Maintain device to QPs access, needed for further handling via reset 230889ea94a7SMaor Gottlieb * flow 230989ea94a7SMaor Gottlieb */ 231089ea94a7SMaor Gottlieb list_add_tail(&qp->qps_list, &dev->qp_list); 231189ea94a7SMaor Gottlieb /* Maintain CQ to QPs access, needed for further handling via reset flow 231289ea94a7SMaor Gottlieb */ 231389ea94a7SMaor Gottlieb if (send_cq) 231489ea94a7SMaor Gottlieb list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); 231589ea94a7SMaor Gottlieb if (recv_cq) 231689ea94a7SMaor Gottlieb list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); 231789ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 231889ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 231989ea94a7SMaor Gottlieb 2320e126ba97SEli Cohen return 0; 2321e126ba97SEli Cohen 2322e126ba97SEli Cohen err_create: 2323e126ba97SEli Cohen if (qp->create_type == MLX5_QP_USER) 2324bdeacabdSShamir Rabinovitch destroy_qp_user(dev, pd, qp, base, udata); 2325e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_KERNEL) 2326e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2327e126ba97SEli Cohen 2328b1383aa6SNoa Osherovich err: 2329479163f4SAl Viro kvfree(in); 2330e126ba97SEli Cohen return err; 2331e126ba97SEli Cohen } 2332e126ba97SEli Cohen 2333e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2334e126ba97SEli Cohen __acquires(&send_cq->lock) __acquires(&recv_cq->lock) 2335e126ba97SEli Cohen { 2336e126ba97SEli Cohen if (send_cq) { 2337e126ba97SEli Cohen if (recv_cq) { 2338e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 233989ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2340e126ba97SEli Cohen spin_lock_nested(&recv_cq->lock, 2341e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2342e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 234389ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 2344e126ba97SEli Cohen __acquire(&recv_cq->lock); 2345e126ba97SEli Cohen } else { 234689ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 2347e126ba97SEli Cohen spin_lock_nested(&send_cq->lock, 2348e126ba97SEli Cohen SINGLE_DEPTH_NESTING); 2349e126ba97SEli Cohen } 2350e126ba97SEli Cohen } else { 235189ea94a7SMaor Gottlieb spin_lock(&send_cq->lock); 23526a4f139aSEli Cohen __acquire(&recv_cq->lock); 2353e126ba97SEli Cohen } 2354e126ba97SEli Cohen } else if (recv_cq) { 235589ea94a7SMaor Gottlieb spin_lock(&recv_cq->lock); 23566a4f139aSEli Cohen __acquire(&send_cq->lock); 23576a4f139aSEli Cohen } else { 23586a4f139aSEli Cohen __acquire(&send_cq->lock); 23596a4f139aSEli Cohen __acquire(&recv_cq->lock); 2360e126ba97SEli Cohen } 2361e126ba97SEli Cohen } 2362e126ba97SEli Cohen 2363e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) 2364e126ba97SEli Cohen __releases(&send_cq->lock) __releases(&recv_cq->lock) 2365e126ba97SEli Cohen { 2366e126ba97SEli Cohen if (send_cq) { 2367e126ba97SEli Cohen if (recv_cq) { 2368e126ba97SEli Cohen if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { 2369e126ba97SEli Cohen spin_unlock(&recv_cq->lock); 237089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2371e126ba97SEli Cohen } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { 2372e126ba97SEli Cohen __release(&recv_cq->lock); 237389ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2374e126ba97SEli Cohen } else { 2375e126ba97SEli Cohen spin_unlock(&send_cq->lock); 237689ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 2377e126ba97SEli Cohen } 2378e126ba97SEli Cohen } else { 23796a4f139aSEli Cohen __release(&recv_cq->lock); 238089ea94a7SMaor Gottlieb spin_unlock(&send_cq->lock); 2381e126ba97SEli Cohen } 2382e126ba97SEli Cohen } else if (recv_cq) { 23836a4f139aSEli Cohen __release(&send_cq->lock); 238489ea94a7SMaor Gottlieb spin_unlock(&recv_cq->lock); 23856a4f139aSEli Cohen } else { 23866a4f139aSEli Cohen __release(&recv_cq->lock); 23876a4f139aSEli Cohen __release(&send_cq->lock); 2388e126ba97SEli Cohen } 2389e126ba97SEli Cohen } 2390e126ba97SEli Cohen 2391e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) 2392e126ba97SEli Cohen { 2393e126ba97SEli Cohen return to_mpd(qp->ibqp.pd); 2394e126ba97SEli Cohen } 2395e126ba97SEli Cohen 239689ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type, 239789ea94a7SMaor Gottlieb struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, 2398e126ba97SEli Cohen struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) 2399e126ba97SEli Cohen { 240089ea94a7SMaor Gottlieb switch (qp_type) { 2401e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2402e126ba97SEli Cohen *send_cq = NULL; 2403e126ba97SEli Cohen *recv_cq = NULL; 2404e126ba97SEli Cohen break; 2405e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2406e126ba97SEli Cohen case IB_QPT_XRC_INI: 240789ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 2408e126ba97SEli Cohen *recv_cq = NULL; 2409e126ba97SEli Cohen break; 2410e126ba97SEli Cohen 2411e126ba97SEli Cohen case IB_QPT_SMI: 2412d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2413e126ba97SEli Cohen case IB_QPT_RC: 2414e126ba97SEli Cohen case IB_QPT_UC: 2415e126ba97SEli Cohen case IB_QPT_UD: 2416e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2417e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 24180fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 241989ea94a7SMaor Gottlieb *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; 242089ea94a7SMaor Gottlieb *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; 2421e126ba97SEli Cohen break; 2422e126ba97SEli Cohen 2423e126ba97SEli Cohen case IB_QPT_MAX: 2424e126ba97SEli Cohen default: 2425e126ba97SEli Cohen *send_cq = NULL; 2426e126ba97SEli Cohen *recv_cq = NULL; 2427e126ba97SEli Cohen break; 2428e126ba97SEli Cohen } 2429e126ba97SEli Cohen } 2430e126ba97SEli Cohen 2431ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 243213eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 243313eab21fSAviv Heller u8 lag_tx_affinity); 2434ad5f8e96Smajd@mellanox.com 2435bdeacabdSShamir Rabinovitch static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 2436bdeacabdSShamir Rabinovitch struct ib_udata *udata) 2437e126ba97SEli Cohen { 2438e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 2439c2e53b2cSYishai Hadas struct mlx5_ib_qp_base *base; 244089ea94a7SMaor Gottlieb unsigned long flags; 2441e126ba97SEli Cohen int err; 2442e126ba97SEli Cohen 244328d61370SYishai Hadas if (qp->ibqp.rwq_ind_tbl) { 244428d61370SYishai Hadas destroy_rss_raw_qp_tir(dev, qp); 244528d61370SYishai Hadas return; 244628d61370SYishai Hadas } 244728d61370SYishai Hadas 2448c2e53b2cSYishai Hadas base = (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2449c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) ? 24500fb2ed66Smajd@mellanox.com &qp->raw_packet_qp.rq.base : 24510fb2ed66Smajd@mellanox.com &qp->trans_qp.base; 24520fb2ed66Smajd@mellanox.com 24536aec21f6SHaggai Eran if (qp->state != IB_QPS_RESET) { 2454c2e53b2cSYishai Hadas if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET && 2455c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) { 2456ad5f8e96Smajd@mellanox.com err = mlx5_core_qp_modify(dev->mdev, 24571a412fb1SSaeed Mahameed MLX5_CMD_OP_2RST_QP, 0, 24581a412fb1SSaeed Mahameed NULL, &base->mqp); 2459ad5f8e96Smajd@mellanox.com } else { 24600680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = { 24610680efa2SAlex Vesker .operation = MLX5_CMD_OP_2RST_QP 24620680efa2SAlex Vesker }; 24630680efa2SAlex Vesker 246413eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); 2465ad5f8e96Smajd@mellanox.com } 2466ad5f8e96Smajd@mellanox.com if (err) 2467427c1e7bSmajd@mellanox.com mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", 246819098df2Smajd@mellanox.com base->mqp.qpn); 24696aec21f6SHaggai Eran } 2470e126ba97SEli Cohen 247189ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 247289ea94a7SMaor Gottlieb &send_cq, &recv_cq); 247389ea94a7SMaor Gottlieb 247489ea94a7SMaor Gottlieb spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 247589ea94a7SMaor Gottlieb mlx5_ib_lock_cqs(send_cq, recv_cq); 247689ea94a7SMaor Gottlieb /* del from lists under both locks above to protect reset flow paths */ 247789ea94a7SMaor Gottlieb list_del(&qp->qps_list); 247889ea94a7SMaor Gottlieb if (send_cq) 247989ea94a7SMaor Gottlieb list_del(&qp->cq_send_list); 248089ea94a7SMaor Gottlieb 248189ea94a7SMaor Gottlieb if (recv_cq) 248289ea94a7SMaor Gottlieb list_del(&qp->cq_recv_list); 2483e126ba97SEli Cohen 2484e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) { 248519098df2Smajd@mellanox.com __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 2486e126ba97SEli Cohen qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); 2487e126ba97SEli Cohen if (send_cq != recv_cq) 248819098df2Smajd@mellanox.com __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, 248919098df2Smajd@mellanox.com NULL); 2490e126ba97SEli Cohen } 249189ea94a7SMaor Gottlieb mlx5_ib_unlock_cqs(send_cq, recv_cq); 249289ea94a7SMaor Gottlieb spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 2493e126ba97SEli Cohen 2494c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 2495c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 24960fb2ed66Smajd@mellanox.com destroy_raw_packet_qp(dev, qp); 24970fb2ed66Smajd@mellanox.com } else { 249819098df2Smajd@mellanox.com err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); 2499e126ba97SEli Cohen if (err) 25000fb2ed66Smajd@mellanox.com mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", 25010fb2ed66Smajd@mellanox.com base->mqp.qpn); 25020fb2ed66Smajd@mellanox.com } 2503e126ba97SEli Cohen 2504e126ba97SEli Cohen if (qp->create_type == MLX5_QP_KERNEL) 2505e126ba97SEli Cohen destroy_qp_kernel(dev, qp); 2506e126ba97SEli Cohen else if (qp->create_type == MLX5_QP_USER) 2507bdeacabdSShamir Rabinovitch destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata); 2508e126ba97SEli Cohen } 2509e126ba97SEli Cohen 2510e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type) 2511e126ba97SEli Cohen { 2512e126ba97SEli Cohen switch (type) { 2513e126ba97SEli Cohen case IB_QPT_SMI: 2514e126ba97SEli Cohen return "IB_QPT_SMI"; 2515e126ba97SEli Cohen case IB_QPT_GSI: 2516e126ba97SEli Cohen return "IB_QPT_GSI"; 2517e126ba97SEli Cohen case IB_QPT_RC: 2518e126ba97SEli Cohen return "IB_QPT_RC"; 2519e126ba97SEli Cohen case IB_QPT_UC: 2520e126ba97SEli Cohen return "IB_QPT_UC"; 2521e126ba97SEli Cohen case IB_QPT_UD: 2522e126ba97SEli Cohen return "IB_QPT_UD"; 2523e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2524e126ba97SEli Cohen return "IB_QPT_RAW_IPV6"; 2525e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2526e126ba97SEli Cohen return "IB_QPT_RAW_ETHERTYPE"; 2527e126ba97SEli Cohen case IB_QPT_XRC_INI: 2528e126ba97SEli Cohen return "IB_QPT_XRC_INI"; 2529e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2530e126ba97SEli Cohen return "IB_QPT_XRC_TGT"; 2531e126ba97SEli Cohen case IB_QPT_RAW_PACKET: 2532e126ba97SEli Cohen return "IB_QPT_RAW_PACKET"; 2533e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2534e126ba97SEli Cohen return "MLX5_IB_QPT_REG_UMR"; 2535b4aaa1f0SMoni Shoua case IB_QPT_DRIVER: 2536b4aaa1f0SMoni Shoua return "IB_QPT_DRIVER"; 2537e126ba97SEli Cohen case IB_QPT_MAX: 2538e126ba97SEli Cohen default: 2539e126ba97SEli Cohen return "Invalid QP type"; 2540e126ba97SEli Cohen } 2541e126ba97SEli Cohen } 2542e126ba97SEli Cohen 2543b4aaa1f0SMoni Shoua static struct ib_qp *mlx5_ib_create_dct(struct ib_pd *pd, 2544b4aaa1f0SMoni Shoua struct ib_qp_init_attr *attr, 254589944450SShamir Rabinovitch struct mlx5_ib_create_qp *ucmd, 254689944450SShamir Rabinovitch struct ib_udata *udata) 2547b4aaa1f0SMoni Shoua { 254889944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 254989944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2550b4aaa1f0SMoni Shoua struct mlx5_ib_qp *qp; 2551b4aaa1f0SMoni Shoua int err = 0; 2552b4aaa1f0SMoni Shoua u32 uidx = MLX5_IB_DEFAULT_UIDX; 2553b4aaa1f0SMoni Shoua void *dctc; 2554b4aaa1f0SMoni Shoua 2555b4aaa1f0SMoni Shoua if (!attr->srq || !attr->recv_cq) 2556b4aaa1f0SMoni Shoua return ERR_PTR(-EINVAL); 2557b4aaa1f0SMoni Shoua 255889944450SShamir Rabinovitch err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx); 2559b4aaa1f0SMoni Shoua if (err) 2560b4aaa1f0SMoni Shoua return ERR_PTR(err); 2561b4aaa1f0SMoni Shoua 2562b4aaa1f0SMoni Shoua qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2563b4aaa1f0SMoni Shoua if (!qp) 2564b4aaa1f0SMoni Shoua return ERR_PTR(-ENOMEM); 2565b4aaa1f0SMoni Shoua 2566b4aaa1f0SMoni Shoua qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL); 2567b4aaa1f0SMoni Shoua if (!qp->dct.in) { 2568b4aaa1f0SMoni Shoua err = -ENOMEM; 2569b4aaa1f0SMoni Shoua goto err_free; 2570b4aaa1f0SMoni Shoua } 2571b4aaa1f0SMoni Shoua 2572a01a5860SYishai Hadas MLX5_SET(create_dct_in, qp->dct.in, uid, to_mpd(pd)->uid); 2573b4aaa1f0SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 2574776a3906SMoni Shoua qp->qp_sub_type = MLX5_IB_QPT_DCT; 2575b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, pd, to_mpd(pd)->pdn); 2576b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, srqn_xrqn, to_msrq(attr->srq)->msrq.srqn); 2577b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, cqn, to_mcq(attr->recv_cq)->mcq.cqn); 2578b4aaa1f0SMoni Shoua MLX5_SET64(dctc, dctc, dc_access_key, ucmd->access_key); 2579b4aaa1f0SMoni Shoua MLX5_SET(dctc, dctc, user_index, uidx); 2580b4aaa1f0SMoni Shoua 25815d6ff1baSYonatan Cohen if (ucmd->flags & MLX5_QP_FLAG_SCATTER_CQE) 25825d6ff1baSYonatan Cohen configure_responder_scat_cqe(attr, dctc); 25835d6ff1baSYonatan Cohen 2584b4aaa1f0SMoni Shoua qp->state = IB_QPS_RESET; 2585b4aaa1f0SMoni Shoua 2586b4aaa1f0SMoni Shoua return &qp->ibqp; 2587b4aaa1f0SMoni Shoua err_free: 2588b4aaa1f0SMoni Shoua kfree(qp); 2589b4aaa1f0SMoni Shoua return ERR_PTR(err); 2590b4aaa1f0SMoni Shoua } 2591b4aaa1f0SMoni Shoua 2592b4aaa1f0SMoni Shoua static int set_mlx_qp_type(struct mlx5_ib_dev *dev, 2593e126ba97SEli Cohen struct ib_qp_init_attr *init_attr, 2594b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp *ucmd, 2595b4aaa1f0SMoni Shoua struct ib_udata *udata) 2596b4aaa1f0SMoni Shoua { 2597b4aaa1f0SMoni Shoua enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI }; 2598b4aaa1f0SMoni Shoua int err; 2599b4aaa1f0SMoni Shoua 2600b4aaa1f0SMoni Shoua if (!udata) 2601b4aaa1f0SMoni Shoua return -EINVAL; 2602b4aaa1f0SMoni Shoua 2603b4aaa1f0SMoni Shoua if (udata->inlen < sizeof(*ucmd)) { 2604b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n"); 2605b4aaa1f0SMoni Shoua return -EINVAL; 2606b4aaa1f0SMoni Shoua } 2607b4aaa1f0SMoni Shoua err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd)); 2608b4aaa1f0SMoni Shoua if (err) 2609b4aaa1f0SMoni Shoua return err; 2610b4aaa1f0SMoni Shoua 2611b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI) { 2612b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCI; 2613b4aaa1f0SMoni Shoua } else { 2614b4aaa1f0SMoni Shoua if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT) { 2615b4aaa1f0SMoni Shoua init_attr->qp_type = MLX5_IB_QPT_DCT; 2616b4aaa1f0SMoni Shoua } else { 2617b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "Invalid QP flags\n"); 2618b4aaa1f0SMoni Shoua return -EINVAL; 2619b4aaa1f0SMoni Shoua } 2620b4aaa1f0SMoni Shoua } 2621b4aaa1f0SMoni Shoua 2622b4aaa1f0SMoni Shoua if (!MLX5_CAP_GEN(dev->mdev, dct)) { 2623b4aaa1f0SMoni Shoua mlx5_ib_dbg(dev, "DC transport is not supported\n"); 2624b4aaa1f0SMoni Shoua return -EOPNOTSUPP; 2625b4aaa1f0SMoni Shoua } 2626b4aaa1f0SMoni Shoua 2627b4aaa1f0SMoni Shoua return 0; 2628b4aaa1f0SMoni Shoua } 2629b4aaa1f0SMoni Shoua 2630b4aaa1f0SMoni Shoua struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, 2631b4aaa1f0SMoni Shoua struct ib_qp_init_attr *verbs_init_attr, 2632e126ba97SEli Cohen struct ib_udata *udata) 2633e126ba97SEli Cohen { 2634e126ba97SEli Cohen struct mlx5_ib_dev *dev; 2635e126ba97SEli Cohen struct mlx5_ib_qp *qp; 2636e126ba97SEli Cohen u16 xrcdn = 0; 2637e126ba97SEli Cohen int err; 2638b4aaa1f0SMoni Shoua struct ib_qp_init_attr mlx_init_attr; 2639b4aaa1f0SMoni Shoua struct ib_qp_init_attr *init_attr = verbs_init_attr; 264089944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 264189944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 2642e126ba97SEli Cohen 2643e126ba97SEli Cohen if (pd) { 2644e126ba97SEli Cohen dev = to_mdev(pd->device); 26450fb2ed66Smajd@mellanox.com 26460fb2ed66Smajd@mellanox.com if (init_attr->qp_type == IB_QPT_RAW_PACKET) { 264789944450SShamir Rabinovitch if (!ucontext) { 26480fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); 26490fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 265089944450SShamir Rabinovitch } else if (!ucontext->cqe_version) { 26510fb2ed66Smajd@mellanox.com mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); 26520fb2ed66Smajd@mellanox.com return ERR_PTR(-EINVAL); 26530fb2ed66Smajd@mellanox.com } 26540fb2ed66Smajd@mellanox.com } 265509f16cf5SMajd Dibbiny } else { 265609f16cf5SMajd Dibbiny /* being cautious here */ 265709f16cf5SMajd Dibbiny if (init_attr->qp_type != IB_QPT_XRC_TGT && 265809f16cf5SMajd Dibbiny init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { 265909f16cf5SMajd Dibbiny pr_warn("%s: no PD for transport %s\n", __func__, 266009f16cf5SMajd Dibbiny ib_qp_type_str(init_attr->qp_type)); 266109f16cf5SMajd Dibbiny return ERR_PTR(-EINVAL); 266209f16cf5SMajd Dibbiny } 266309f16cf5SMajd Dibbiny dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); 2664e126ba97SEli Cohen } 2665e126ba97SEli Cohen 2666b4aaa1f0SMoni Shoua if (init_attr->qp_type == IB_QPT_DRIVER) { 2667b4aaa1f0SMoni Shoua struct mlx5_ib_create_qp ucmd; 2668b4aaa1f0SMoni Shoua 2669b4aaa1f0SMoni Shoua init_attr = &mlx_init_attr; 2670b4aaa1f0SMoni Shoua memcpy(init_attr, verbs_init_attr, sizeof(*verbs_init_attr)); 2671b4aaa1f0SMoni Shoua err = set_mlx_qp_type(dev, init_attr, &ucmd, udata); 2672b4aaa1f0SMoni Shoua if (err) 2673b4aaa1f0SMoni Shoua return ERR_PTR(err); 2674c32a4f29SMoni Shoua 2675c32a4f29SMoni Shoua if (init_attr->qp_type == MLX5_IB_QPT_DCI) { 2676c32a4f29SMoni Shoua if (init_attr->cap.max_recv_wr || 2677c32a4f29SMoni Shoua init_attr->cap.max_recv_sge) { 2678c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "DCI QP requires zero size receive queue\n"); 2679c32a4f29SMoni Shoua return ERR_PTR(-EINVAL); 2680c32a4f29SMoni Shoua } 2681776a3906SMoni Shoua } else { 268289944450SShamir Rabinovitch return mlx5_ib_create_dct(pd, init_attr, &ucmd, udata); 2683c32a4f29SMoni Shoua } 2684b4aaa1f0SMoni Shoua } 2685b4aaa1f0SMoni Shoua 2686e126ba97SEli Cohen switch (init_attr->qp_type) { 2687e126ba97SEli Cohen case IB_QPT_XRC_TGT: 2688e126ba97SEli Cohen case IB_QPT_XRC_INI: 2689938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) { 2690e126ba97SEli Cohen mlx5_ib_dbg(dev, "XRC not supported\n"); 2691e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 2692e126ba97SEli Cohen } 2693e126ba97SEli Cohen init_attr->recv_cq = NULL; 2694e126ba97SEli Cohen if (init_attr->qp_type == IB_QPT_XRC_TGT) { 2695e126ba97SEli Cohen xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; 2696e126ba97SEli Cohen init_attr->send_cq = NULL; 2697e126ba97SEli Cohen } 2698e126ba97SEli Cohen 2699e126ba97SEli Cohen /* fall through */ 27000fb2ed66Smajd@mellanox.com case IB_QPT_RAW_PACKET: 2701e126ba97SEli Cohen case IB_QPT_RC: 2702e126ba97SEli Cohen case IB_QPT_UC: 2703e126ba97SEli Cohen case IB_QPT_UD: 2704e126ba97SEli Cohen case IB_QPT_SMI: 2705d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 2706e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 2707c32a4f29SMoni Shoua case MLX5_IB_QPT_DCI: 2708e126ba97SEli Cohen qp = kzalloc(sizeof(*qp), GFP_KERNEL); 2709e126ba97SEli Cohen if (!qp) 2710e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 2711e126ba97SEli Cohen 2712e126ba97SEli Cohen err = create_qp_common(dev, pd, init_attr, udata, qp); 2713e126ba97SEli Cohen if (err) { 2714e126ba97SEli Cohen mlx5_ib_dbg(dev, "create_qp_common failed\n"); 2715e126ba97SEli Cohen kfree(qp); 2716e126ba97SEli Cohen return ERR_PTR(err); 2717e126ba97SEli Cohen } 2718e126ba97SEli Cohen 2719e126ba97SEli Cohen if (is_qp0(init_attr->qp_type)) 2720e126ba97SEli Cohen qp->ibqp.qp_num = 0; 2721e126ba97SEli Cohen else if (is_qp1(init_attr->qp_type)) 2722e126ba97SEli Cohen qp->ibqp.qp_num = 1; 2723e126ba97SEli Cohen else 272419098df2Smajd@mellanox.com qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; 2725e126ba97SEli Cohen 2726e126ba97SEli Cohen mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", 272719098df2Smajd@mellanox.com qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, 2728a1ab8402SEli Cohen init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, 2729a1ab8402SEli Cohen init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); 2730e126ba97SEli Cohen 273119098df2Smajd@mellanox.com qp->trans_qp.xrcdn = xrcdn; 2732e126ba97SEli Cohen 2733e126ba97SEli Cohen break; 2734e126ba97SEli Cohen 2735d16e91daSHaggai Eran case IB_QPT_GSI: 2736d16e91daSHaggai Eran return mlx5_ib_gsi_create_qp(pd, init_attr); 2737d16e91daSHaggai Eran 2738e126ba97SEli Cohen case IB_QPT_RAW_IPV6: 2739e126ba97SEli Cohen case IB_QPT_RAW_ETHERTYPE: 2740e126ba97SEli Cohen case IB_QPT_MAX: 2741e126ba97SEli Cohen default: 2742e126ba97SEli Cohen mlx5_ib_dbg(dev, "unsupported qp type %d\n", 2743e126ba97SEli Cohen init_attr->qp_type); 2744e126ba97SEli Cohen /* Don't support raw QPs */ 2745e126ba97SEli Cohen return ERR_PTR(-EINVAL); 2746e126ba97SEli Cohen } 2747e126ba97SEli Cohen 2748b4aaa1f0SMoni Shoua if (verbs_init_attr->qp_type == IB_QPT_DRIVER) 2749b4aaa1f0SMoni Shoua qp->qp_sub_type = init_attr->qp_type; 2750b4aaa1f0SMoni Shoua 2751e126ba97SEli Cohen return &qp->ibqp; 2752e126ba97SEli Cohen } 2753e126ba97SEli Cohen 2754776a3906SMoni Shoua static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp) 2755776a3906SMoni Shoua { 2756776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(mqp->ibqp.device); 2757776a3906SMoni Shoua 2758776a3906SMoni Shoua if (mqp->state == IB_QPS_RTR) { 2759776a3906SMoni Shoua int err; 2760776a3906SMoni Shoua 2761776a3906SMoni Shoua err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct); 2762776a3906SMoni Shoua if (err) { 2763776a3906SMoni Shoua mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err); 2764776a3906SMoni Shoua return err; 2765776a3906SMoni Shoua } 2766776a3906SMoni Shoua } 2767776a3906SMoni Shoua 2768776a3906SMoni Shoua kfree(mqp->dct.in); 2769776a3906SMoni Shoua kfree(mqp); 2770776a3906SMoni Shoua return 0; 2771776a3906SMoni Shoua } 2772776a3906SMoni Shoua 2773c4367a26SShamir Rabinovitch int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata) 2774e126ba97SEli Cohen { 2775e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(qp->device); 2776e126ba97SEli Cohen struct mlx5_ib_qp *mqp = to_mqp(qp); 2777e126ba97SEli Cohen 2778d16e91daSHaggai Eran if (unlikely(qp->qp_type == IB_QPT_GSI)) 2779d16e91daSHaggai Eran return mlx5_ib_gsi_destroy_qp(qp); 2780d16e91daSHaggai Eran 2781776a3906SMoni Shoua if (mqp->qp_sub_type == MLX5_IB_QPT_DCT) 2782776a3906SMoni Shoua return mlx5_ib_destroy_dct(mqp); 2783776a3906SMoni Shoua 2784bdeacabdSShamir Rabinovitch destroy_qp_common(dev, mqp, udata); 2785e126ba97SEli Cohen 2786e126ba97SEli Cohen kfree(mqp); 2787e126ba97SEli Cohen 2788e126ba97SEli Cohen return 0; 2789e126ba97SEli Cohen } 2790e126ba97SEli Cohen 2791a60109dcSYonatan Cohen static int to_mlx5_access_flags(struct mlx5_ib_qp *qp, 2792a60109dcSYonatan Cohen const struct ib_qp_attr *attr, 2793bf3b4f06SBart Van Assche int attr_mask, __be32 *hw_access_flags_be) 2794e126ba97SEli Cohen { 2795e126ba97SEli Cohen u8 dest_rd_atomic; 2796bf3b4f06SBart Van Assche u32 access_flags, hw_access_flags = 0; 2797e126ba97SEli Cohen 2798a60109dcSYonatan Cohen struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.device); 2799a60109dcSYonatan Cohen 2800e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 2801e126ba97SEli Cohen dest_rd_atomic = attr->max_dest_rd_atomic; 2802e126ba97SEli Cohen else 280319098df2Smajd@mellanox.com dest_rd_atomic = qp->trans_qp.resp_depth; 2804e126ba97SEli Cohen 2805e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 2806e126ba97SEli Cohen access_flags = attr->qp_access_flags; 2807e126ba97SEli Cohen else 280819098df2Smajd@mellanox.com access_flags = qp->trans_qp.atomic_rd_en; 2809e126ba97SEli Cohen 2810e126ba97SEli Cohen if (!dest_rd_atomic) 2811e126ba97SEli Cohen access_flags &= IB_ACCESS_REMOTE_WRITE; 2812e126ba97SEli Cohen 2813e126ba97SEli Cohen if (access_flags & IB_ACCESS_REMOTE_READ) 2814bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RRE; 281513f8d9c1SYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_ATOMIC) { 2816a60109dcSYonatan Cohen int atomic_mode; 2817e126ba97SEli Cohen 2818a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, qp->ibqp.qp_type); 2819a60109dcSYonatan Cohen if (atomic_mode < 0) 2820a60109dcSYonatan Cohen return -EOPNOTSUPP; 2821a60109dcSYonatan Cohen 2822bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RAE; 2823bf3b4f06SBart Van Assche hw_access_flags |= atomic_mode << MLX5_ATOMIC_MODE_OFFSET; 2824a60109dcSYonatan Cohen } 2825a60109dcSYonatan Cohen 2826a60109dcSYonatan Cohen if (access_flags & IB_ACCESS_REMOTE_WRITE) 2827bf3b4f06SBart Van Assche hw_access_flags |= MLX5_QP_BIT_RWE; 2828a60109dcSYonatan Cohen 2829bf3b4f06SBart Van Assche *hw_access_flags_be = cpu_to_be32(hw_access_flags); 2830a60109dcSYonatan Cohen 2831a60109dcSYonatan Cohen return 0; 2832e126ba97SEli Cohen } 2833e126ba97SEli Cohen 2834e126ba97SEli Cohen enum { 2835e126ba97SEli Cohen MLX5_PATH_FLAG_FL = 1 << 0, 2836e126ba97SEli Cohen MLX5_PATH_FLAG_FREE_AR = 1 << 1, 2837e126ba97SEli Cohen MLX5_PATH_FLAG_COUNTER = 1 << 2, 2838e126ba97SEli Cohen }; 2839e126ba97SEli Cohen 2840e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) 2841e126ba97SEli Cohen { 28424f32ac2eSDanit Goldberg if (rate == IB_RATE_PORT_CURRENT) 2843e126ba97SEli Cohen return 0; 28444f32ac2eSDanit Goldberg 2845a5a5d199SMichael Guralnik if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS) 2846e126ba97SEli Cohen return -EINVAL; 28474f32ac2eSDanit Goldberg 28484f32ac2eSDanit Goldberg while (rate != IB_RATE_PORT_CURRENT && 2849e126ba97SEli Cohen !(1 << (rate + MLX5_STAT_RATE_OFFSET) & 2850938fe83cSSaeed Mahameed MLX5_CAP_GEN(dev->mdev, stat_rate_support))) 2851e126ba97SEli Cohen --rate; 2852e126ba97SEli Cohen 28534f32ac2eSDanit Goldberg return rate ? rate + MLX5_STAT_RATE_OFFSET : rate; 2854e126ba97SEli Cohen } 2855e126ba97SEli Cohen 285675850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, 28571cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 sl, 28581cd6dbd3SYishai Hadas struct ib_pd *pd) 285975850d0bSmajd@mellanox.com { 286075850d0bSmajd@mellanox.com void *in; 286175850d0bSmajd@mellanox.com void *tisc; 286275850d0bSmajd@mellanox.com int inlen; 286375850d0bSmajd@mellanox.com int err; 286475850d0bSmajd@mellanox.com 286575850d0bSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 28661b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 286775850d0bSmajd@mellanox.com if (!in) 286875850d0bSmajd@mellanox.com return -ENOMEM; 286975850d0bSmajd@mellanox.com 287075850d0bSmajd@mellanox.com MLX5_SET(modify_tis_in, in, bitmask.prio, 1); 28711cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 287275850d0bSmajd@mellanox.com 287375850d0bSmajd@mellanox.com tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 287475850d0bSmajd@mellanox.com MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); 287575850d0bSmajd@mellanox.com 287675850d0bSmajd@mellanox.com err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 287775850d0bSmajd@mellanox.com 287875850d0bSmajd@mellanox.com kvfree(in); 287975850d0bSmajd@mellanox.com 288075850d0bSmajd@mellanox.com return err; 288175850d0bSmajd@mellanox.com } 288275850d0bSmajd@mellanox.com 288313eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, 28841cd6dbd3SYishai Hadas struct mlx5_ib_sq *sq, u8 tx_affinity, 28851cd6dbd3SYishai Hadas struct ib_pd *pd) 288613eab21fSAviv Heller { 288713eab21fSAviv Heller void *in; 288813eab21fSAviv Heller void *tisc; 288913eab21fSAviv Heller int inlen; 289013eab21fSAviv Heller int err; 289113eab21fSAviv Heller 289213eab21fSAviv Heller inlen = MLX5_ST_SZ_BYTES(modify_tis_in); 28931b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 289413eab21fSAviv Heller if (!in) 289513eab21fSAviv Heller return -ENOMEM; 289613eab21fSAviv Heller 289713eab21fSAviv Heller MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); 28981cd6dbd3SYishai Hadas MLX5_SET(modify_tis_in, in, uid, to_mpd(pd)->uid); 289913eab21fSAviv Heller 290013eab21fSAviv Heller tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); 290113eab21fSAviv Heller MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); 290213eab21fSAviv Heller 290313eab21fSAviv Heller err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); 290413eab21fSAviv Heller 290513eab21fSAviv Heller kvfree(in); 290613eab21fSAviv Heller 290713eab21fSAviv Heller return err; 290813eab21fSAviv Heller } 290913eab21fSAviv Heller 291075850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 291190898850SDasaratharaman Chandramouli const struct rdma_ah_attr *ah, 2912e126ba97SEli Cohen struct mlx5_qp_path *path, u8 port, int attr_mask, 2913f879ee8dSAchiad Shochat u32 path_flags, const struct ib_qp_attr *attr, 2914f879ee8dSAchiad Shochat bool alt) 2915e126ba97SEli Cohen { 2916d8966fcdSDasaratharaman Chandramouli const struct ib_global_route *grh = rdma_ah_read_grh(ah); 2917e126ba97SEli Cohen int err; 2918ed88451eSMajd Dibbiny enum ib_gid_type gid_type; 2919d8966fcdSDasaratharaman Chandramouli u8 ah_flags = rdma_ah_get_ah_flags(ah); 2920d8966fcdSDasaratharaman Chandramouli u8 sl = rdma_ah_get_sl(ah); 2921e126ba97SEli Cohen 2922e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 2923f879ee8dSAchiad Shochat path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : 2924f879ee8dSAchiad Shochat attr->pkey_index); 2925e126ba97SEli Cohen 2926d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2927d8966fcdSDasaratharaman Chandramouli if (grh->sgid_index >= 2928938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len) { 2929f4f01b54SJoe Perches pr_err("sgid_index (%u) too large. max is %d\n", 2930d8966fcdSDasaratharaman Chandramouli grh->sgid_index, 2931938fe83cSSaeed Mahameed dev->mdev->port_caps[port - 1].gid_table_len); 2932f83b4263SEli Cohen return -EINVAL; 2933f83b4263SEli Cohen } 29342811ba51SAchiad Shochat } 293544c58487SDasaratharaman Chandramouli 293644c58487SDasaratharaman Chandramouli if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { 2937d8966fcdSDasaratharaman Chandramouli if (!(ah_flags & IB_AH_GRH)) 29382811ba51SAchiad Shochat return -EINVAL; 293947ec3866SParav Pandit 294044c58487SDasaratharaman Chandramouli memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); 29412b621851SMajd Dibbiny if (qp->ibqp.qp_type == IB_QPT_RC || 29422b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_UC || 29432b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_INI || 29442b621851SMajd Dibbiny qp->ibqp.qp_type == IB_QPT_XRC_TGT) 294547ec3866SParav Pandit path->udp_sport = 294647ec3866SParav Pandit mlx5_get_roce_udp_sport(dev, ah->grh.sgid_attr); 2947d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = (sl & 0x7) << 4; 294847ec3866SParav Pandit gid_type = ah->grh.sgid_attr->gid_type; 2949ed88451eSMajd Dibbiny if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) 2950d8966fcdSDasaratharaman Chandramouli path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; 29512811ba51SAchiad Shochat } else { 2952d3ae2bdeSNoa Osherovich path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; 2953d3ae2bdeSNoa Osherovich path->fl_free_ar |= 2954d3ae2bdeSNoa Osherovich (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; 2955d8966fcdSDasaratharaman Chandramouli path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); 2956d8966fcdSDasaratharaman Chandramouli path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; 2957d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) 2958e126ba97SEli Cohen path->grh_mlid |= 1 << 7; 2959d8966fcdSDasaratharaman Chandramouli path->dci_cfi_prio_sl = sl & 0xf; 29602811ba51SAchiad Shochat } 29612811ba51SAchiad Shochat 2962d8966fcdSDasaratharaman Chandramouli if (ah_flags & IB_AH_GRH) { 2963d8966fcdSDasaratharaman Chandramouli path->mgid_index = grh->sgid_index; 2964d8966fcdSDasaratharaman Chandramouli path->hop_limit = grh->hop_limit; 2965e126ba97SEli Cohen path->tclass_flowlabel = 2966d8966fcdSDasaratharaman Chandramouli cpu_to_be32((grh->traffic_class << 20) | 2967d8966fcdSDasaratharaman Chandramouli (grh->flow_label)); 2968d8966fcdSDasaratharaman Chandramouli memcpy(path->rgid, grh->dgid.raw, 16); 2969e126ba97SEli Cohen } 2970e126ba97SEli Cohen 2971d8966fcdSDasaratharaman Chandramouli err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); 2972e126ba97SEli Cohen if (err < 0) 2973e126ba97SEli Cohen return err; 2974e126ba97SEli Cohen path->static_rate = err; 2975e126ba97SEli Cohen path->port = port; 2976e126ba97SEli Cohen 2977e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 2978f879ee8dSAchiad Shochat path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; 2979e126ba97SEli Cohen 298075850d0bSmajd@mellanox.com if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) 298175850d0bSmajd@mellanox.com return modify_raw_packet_eth_prio(dev->mdev, 298275850d0bSmajd@mellanox.com &qp->raw_packet_qp.sq, 29831cd6dbd3SYishai Hadas sl & 0xf, qp->ibqp.pd); 298475850d0bSmajd@mellanox.com 2985e126ba97SEli Cohen return 0; 2986e126ba97SEli Cohen } 2987e126ba97SEli Cohen 2988e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { 2989e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2990e126ba97SEli Cohen [MLX5_QP_STATE_INIT] = { 2991e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 2992e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 2993e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 2994e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2995e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2996e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 2997e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX | 2998e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 2999e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3000e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY | 3001e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT, 30028f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 30038f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30048f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30058f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PKEY_INDEX | 30068f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PRI_PORT, 3007e126ba97SEli Cohen }, 3008e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3009e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3010e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3011e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3012e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3013e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3014e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3015e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3016e126ba97SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3017e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | 3018e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3019e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | 3020e126ba97SEli Cohen MLX5_QP_OPTPAR_Q_KEY, 3021a4774e90SEli Cohen [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3022a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE | 3023a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3024a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3025a4774e90SEli Cohen MLX5_QP_OPTPAR_PKEY_INDEX, 3026e126ba97SEli Cohen }, 3027e126ba97SEli Cohen }, 3028e126ba97SEli Cohen [MLX5_QP_STATE_RTR] = { 3029e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3030e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3031e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | 3032e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3033e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3034e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3035e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT, 3036e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 3037e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3038e126ba97SEli Cohen MLX5_QP_OPTPAR_PM_STATE, 3039e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 30408f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | 30418f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE | 30428f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30438f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30448f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 30458f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT, 3046e126ba97SEli Cohen }, 3047e126ba97SEli Cohen }, 3048e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3049e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3050e126ba97SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | 3051e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE | 3052e126ba97SEli Cohen MLX5_QP_OPTPAR_RWE | 3053e126ba97SEli Cohen MLX5_QP_OPTPAR_RNR_TIMEOUT | 3054c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3055c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3056e126ba97SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | 3057c2a3431eSEli Cohen MLX5_QP_OPTPAR_PM_STATE | 3058c2a3431eSEli Cohen MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3059e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | 3060e126ba97SEli Cohen MLX5_QP_OPTPAR_SRQN | 3061e126ba97SEli Cohen MLX5_QP_OPTPAR_CQN_RCV, 30628f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE | 30638f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30648f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30658f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RNR_TIMEOUT | 30668f4426aaSJack Morgenstein MLX5_QP_OPTPAR_PM_STATE | 30678f4426aaSJack Morgenstein MLX5_QP_OPTPAR_ALT_ADDR_PATH, 3068e126ba97SEli Cohen }, 3069e126ba97SEli Cohen }, 3070e126ba97SEli Cohen [MLX5_QP_STATE_SQER] = { 3071e126ba97SEli Cohen [MLX5_QP_STATE_RTS] = { 3072e126ba97SEli Cohen [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, 3073e126ba97SEli Cohen [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, 307475959f56SEli Cohen [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, 3075a4774e90SEli Cohen [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 3076a4774e90SEli Cohen MLX5_QP_OPTPAR_RWE | 3077a4774e90SEli Cohen MLX5_QP_OPTPAR_RAE | 3078a4774e90SEli Cohen MLX5_QP_OPTPAR_RRE, 30798f4426aaSJack Morgenstein [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | 30808f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RWE | 30818f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RAE | 30828f4426aaSJack Morgenstein MLX5_QP_OPTPAR_RRE, 3083e126ba97SEli Cohen }, 3084e126ba97SEli Cohen }, 3085e126ba97SEli Cohen }; 3086e126ba97SEli Cohen 3087e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask) 3088e126ba97SEli Cohen { 3089e126ba97SEli Cohen switch (ib_mask) { 3090e126ba97SEli Cohen case IB_QP_STATE: 3091e126ba97SEli Cohen return 0; 3092e126ba97SEli Cohen case IB_QP_CUR_STATE: 3093e126ba97SEli Cohen return 0; 3094e126ba97SEli Cohen case IB_QP_EN_SQD_ASYNC_NOTIFY: 3095e126ba97SEli Cohen return 0; 3096e126ba97SEli Cohen case IB_QP_ACCESS_FLAGS: 3097e126ba97SEli Cohen return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | 3098e126ba97SEli Cohen MLX5_QP_OPTPAR_RAE; 3099e126ba97SEli Cohen case IB_QP_PKEY_INDEX: 3100e126ba97SEli Cohen return MLX5_QP_OPTPAR_PKEY_INDEX; 3101e126ba97SEli Cohen case IB_QP_PORT: 3102e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRI_PORT; 3103e126ba97SEli Cohen case IB_QP_QKEY: 3104e126ba97SEli Cohen return MLX5_QP_OPTPAR_Q_KEY; 3105e126ba97SEli Cohen case IB_QP_AV: 3106e126ba97SEli Cohen return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | 3107e126ba97SEli Cohen MLX5_QP_OPTPAR_PRI_PORT; 3108e126ba97SEli Cohen case IB_QP_PATH_MTU: 3109e126ba97SEli Cohen return 0; 3110e126ba97SEli Cohen case IB_QP_TIMEOUT: 3111e126ba97SEli Cohen return MLX5_QP_OPTPAR_ACK_TIMEOUT; 3112e126ba97SEli Cohen case IB_QP_RETRY_CNT: 3113e126ba97SEli Cohen return MLX5_QP_OPTPAR_RETRY_COUNT; 3114e126ba97SEli Cohen case IB_QP_RNR_RETRY: 3115e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_RETRY; 3116e126ba97SEli Cohen case IB_QP_RQ_PSN: 3117e126ba97SEli Cohen return 0; 3118e126ba97SEli Cohen case IB_QP_MAX_QP_RD_ATOMIC: 3119e126ba97SEli Cohen return MLX5_QP_OPTPAR_SRA_MAX; 3120e126ba97SEli Cohen case IB_QP_ALT_PATH: 3121e126ba97SEli Cohen return MLX5_QP_OPTPAR_ALT_ADDR_PATH; 3122e126ba97SEli Cohen case IB_QP_MIN_RNR_TIMER: 3123e126ba97SEli Cohen return MLX5_QP_OPTPAR_RNR_TIMEOUT; 3124e126ba97SEli Cohen case IB_QP_SQ_PSN: 3125e126ba97SEli Cohen return 0; 3126e126ba97SEli Cohen case IB_QP_MAX_DEST_RD_ATOMIC: 3127e126ba97SEli Cohen return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | 3128e126ba97SEli Cohen MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; 3129e126ba97SEli Cohen case IB_QP_PATH_MIG_STATE: 3130e126ba97SEli Cohen return MLX5_QP_OPTPAR_PM_STATE; 3131e126ba97SEli Cohen case IB_QP_CAP: 3132e126ba97SEli Cohen return 0; 3133e126ba97SEli Cohen case IB_QP_DEST_QPN: 3134e126ba97SEli Cohen return 0; 3135e126ba97SEli Cohen } 3136e126ba97SEli Cohen return 0; 3137e126ba97SEli Cohen } 3138e126ba97SEli Cohen 3139e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask) 3140e126ba97SEli Cohen { 3141e126ba97SEli Cohen int result = 0; 3142e126ba97SEli Cohen int i; 3143e126ba97SEli Cohen 3144e126ba97SEli Cohen for (i = 0; i < 8 * sizeof(int); i++) { 3145e126ba97SEli Cohen if ((1 << i) & ib_mask) 3146e126ba97SEli Cohen result |= ib_nr_to_mlx5_nr(1 << i); 3147e126ba97SEli Cohen } 3148e126ba97SEli Cohen 3149e126ba97SEli Cohen return result; 3150e126ba97SEli Cohen } 3151e126ba97SEli Cohen 315234d57585SYishai Hadas static int modify_raw_packet_qp_rq( 315334d57585SYishai Hadas struct mlx5_ib_dev *dev, struct mlx5_ib_rq *rq, int new_state, 315434d57585SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3155ad5f8e96Smajd@mellanox.com { 3156ad5f8e96Smajd@mellanox.com void *in; 3157ad5f8e96Smajd@mellanox.com void *rqc; 3158ad5f8e96Smajd@mellanox.com int inlen; 3159ad5f8e96Smajd@mellanox.com int err; 3160ad5f8e96Smajd@mellanox.com 3161ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 31621b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3163ad5f8e96Smajd@mellanox.com if (!in) 3164ad5f8e96Smajd@mellanox.com return -ENOMEM; 3165ad5f8e96Smajd@mellanox.com 3166ad5f8e96Smajd@mellanox.com MLX5_SET(modify_rq_in, in, rq_state, rq->state); 316734d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(pd)->uid); 3168ad5f8e96Smajd@mellanox.com 3169ad5f8e96Smajd@mellanox.com rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 3170ad5f8e96Smajd@mellanox.com MLX5_SET(rqc, rqc, state, new_state); 3171ad5f8e96Smajd@mellanox.com 3172eb49ab0cSAlex Vesker if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { 3173eb49ab0cSAlex Vesker if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 3174eb49ab0cSAlex Vesker MLX5_SET64(modify_rq_in, in, modify_bitmask, 317523a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 3176eb49ab0cSAlex Vesker MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); 3177eb49ab0cSAlex Vesker } else 31785a738b5dSJason Gunthorpe dev_info_once( 31795a738b5dSJason Gunthorpe &dev->ib_dev.dev, 31805a738b5dSJason Gunthorpe "RAW PACKET QP counters are not supported on current FW\n"); 3181eb49ab0cSAlex Vesker } 3182eb49ab0cSAlex Vesker 3183eb49ab0cSAlex Vesker err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); 3184ad5f8e96Smajd@mellanox.com if (err) 3185ad5f8e96Smajd@mellanox.com goto out; 3186ad5f8e96Smajd@mellanox.com 3187ad5f8e96Smajd@mellanox.com rq->state = new_state; 3188ad5f8e96Smajd@mellanox.com 3189ad5f8e96Smajd@mellanox.com out: 3190ad5f8e96Smajd@mellanox.com kvfree(in); 3191ad5f8e96Smajd@mellanox.com return err; 3192ad5f8e96Smajd@mellanox.com } 3193ad5f8e96Smajd@mellanox.com 3194c14003f0SYishai Hadas static int modify_raw_packet_qp_sq( 3195c14003f0SYishai Hadas struct mlx5_core_dev *dev, struct mlx5_ib_sq *sq, int new_state, 3196c14003f0SYishai Hadas const struct mlx5_modify_raw_qp_param *raw_qp_param, struct ib_pd *pd) 3197ad5f8e96Smajd@mellanox.com { 31987d29f349SBodong Wang struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; 319961147f39SBodong Wang struct mlx5_rate_limit old_rl = ibqp->rl; 320061147f39SBodong Wang struct mlx5_rate_limit new_rl = old_rl; 320161147f39SBodong Wang bool new_rate_added = false; 32027d29f349SBodong Wang u16 rl_index = 0; 3203ad5f8e96Smajd@mellanox.com void *in; 3204ad5f8e96Smajd@mellanox.com void *sqc; 3205ad5f8e96Smajd@mellanox.com int inlen; 3206ad5f8e96Smajd@mellanox.com int err; 3207ad5f8e96Smajd@mellanox.com 3208ad5f8e96Smajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 32091b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 3210ad5f8e96Smajd@mellanox.com if (!in) 3211ad5f8e96Smajd@mellanox.com return -ENOMEM; 3212ad5f8e96Smajd@mellanox.com 3213c14003f0SYishai Hadas MLX5_SET(modify_sq_in, in, uid, to_mpd(pd)->uid); 3214ad5f8e96Smajd@mellanox.com MLX5_SET(modify_sq_in, in, sq_state, sq->state); 3215ad5f8e96Smajd@mellanox.com 3216ad5f8e96Smajd@mellanox.com sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 3217ad5f8e96Smajd@mellanox.com MLX5_SET(sqc, sqc, state, new_state); 3218ad5f8e96Smajd@mellanox.com 32197d29f349SBodong Wang if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { 32207d29f349SBodong Wang if (new_state != MLX5_SQC_STATE_RDY) 32217d29f349SBodong Wang pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", 32227d29f349SBodong Wang __func__); 32237d29f349SBodong Wang else 322461147f39SBodong Wang new_rl = raw_qp_param->rl; 32257d29f349SBodong Wang } 3226ad5f8e96Smajd@mellanox.com 322761147f39SBodong Wang if (!mlx5_rl_are_equal(&old_rl, &new_rl)) { 322861147f39SBodong Wang if (new_rl.rate) { 322961147f39SBodong Wang err = mlx5_rl_add_rate(dev, &rl_index, &new_rl); 32307d29f349SBodong Wang if (err) { 323161147f39SBodong Wang pr_err("Failed configuring rate limit(err %d): \ 323261147f39SBodong Wang rate %u, max_burst_sz %u, typical_pkt_sz %u\n", 323361147f39SBodong Wang err, new_rl.rate, new_rl.max_burst_sz, 323461147f39SBodong Wang new_rl.typical_pkt_sz); 323561147f39SBodong Wang 32367d29f349SBodong Wang goto out; 32377d29f349SBodong Wang } 323861147f39SBodong Wang new_rate_added = true; 32397d29f349SBodong Wang } 32407d29f349SBodong Wang 32417d29f349SBodong Wang MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); 324261147f39SBodong Wang /* index 0 means no limit */ 32437d29f349SBodong Wang MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); 32447d29f349SBodong Wang } 32457d29f349SBodong Wang 32467d29f349SBodong Wang err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); 32477d29f349SBodong Wang if (err) { 32487d29f349SBodong Wang /* Remove new rate from table if failed */ 324961147f39SBodong Wang if (new_rate_added) 325061147f39SBodong Wang mlx5_rl_remove_rate(dev, &new_rl); 32517d29f349SBodong Wang goto out; 32527d29f349SBodong Wang } 32537d29f349SBodong Wang 32547d29f349SBodong Wang /* Only remove the old rate after new rate was set */ 3255c8973df2SRafi Wiener if ((old_rl.rate && !mlx5_rl_are_equal(&old_rl, &new_rl)) || 3256c8973df2SRafi Wiener (new_state != MLX5_SQC_STATE_RDY)) { 325761147f39SBodong Wang mlx5_rl_remove_rate(dev, &old_rl); 3258c8973df2SRafi Wiener if (new_state != MLX5_SQC_STATE_RDY) 3259c8973df2SRafi Wiener memset(&new_rl, 0, sizeof(new_rl)); 3260c8973df2SRafi Wiener } 32617d29f349SBodong Wang 326261147f39SBodong Wang ibqp->rl = new_rl; 3263ad5f8e96Smajd@mellanox.com sq->state = new_state; 3264ad5f8e96Smajd@mellanox.com 3265ad5f8e96Smajd@mellanox.com out: 3266ad5f8e96Smajd@mellanox.com kvfree(in); 3267ad5f8e96Smajd@mellanox.com return err; 3268ad5f8e96Smajd@mellanox.com } 3269ad5f8e96Smajd@mellanox.com 3270ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 327113eab21fSAviv Heller const struct mlx5_modify_raw_qp_param *raw_qp_param, 327213eab21fSAviv Heller u8 tx_affinity) 3273ad5f8e96Smajd@mellanox.com { 3274ad5f8e96Smajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 3275ad5f8e96Smajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 3276ad5f8e96Smajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 32777d29f349SBodong Wang int modify_rq = !!qp->rq.wqe_cnt; 32787d29f349SBodong Wang int modify_sq = !!qp->sq.wqe_cnt; 3279ad5f8e96Smajd@mellanox.com int rq_state; 3280ad5f8e96Smajd@mellanox.com int sq_state; 3281ad5f8e96Smajd@mellanox.com int err; 3282ad5f8e96Smajd@mellanox.com 32830680efa2SAlex Vesker switch (raw_qp_param->operation) { 3284ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RST2INIT_QP: 3285ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RDY; 3286ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RDY; 3287ad5f8e96Smajd@mellanox.com break; 3288ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2ERR_QP: 3289ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_ERR; 3290ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_ERR; 3291ad5f8e96Smajd@mellanox.com break; 3292ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_2RST_QP: 3293ad5f8e96Smajd@mellanox.com rq_state = MLX5_RQC_STATE_RST; 3294ad5f8e96Smajd@mellanox.com sq_state = MLX5_SQC_STATE_RST; 3295ad5f8e96Smajd@mellanox.com break; 3296ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTR2RTS_QP: 3297ad5f8e96Smajd@mellanox.com case MLX5_CMD_OP_RTS2RTS_QP: 32987d29f349SBodong Wang if (raw_qp_param->set_mask == 32997d29f349SBodong Wang MLX5_RAW_QP_RATE_LIMIT) { 33007d29f349SBodong Wang modify_rq = 0; 33017d29f349SBodong Wang sq_state = sq->state; 33027d29f349SBodong Wang } else { 33037d29f349SBodong Wang return raw_qp_param->set_mask ? -EINVAL : 0; 33047d29f349SBodong Wang } 33057d29f349SBodong Wang break; 33067d29f349SBodong Wang case MLX5_CMD_OP_INIT2INIT_QP: 33077d29f349SBodong Wang case MLX5_CMD_OP_INIT2RTR_QP: 3308eb49ab0cSAlex Vesker if (raw_qp_param->set_mask) 3309eb49ab0cSAlex Vesker return -EINVAL; 3310eb49ab0cSAlex Vesker else 3311ad5f8e96Smajd@mellanox.com return 0; 3312ad5f8e96Smajd@mellanox.com default: 3313ad5f8e96Smajd@mellanox.com WARN_ON(1); 3314ad5f8e96Smajd@mellanox.com return -EINVAL; 3315ad5f8e96Smajd@mellanox.com } 3316ad5f8e96Smajd@mellanox.com 33177d29f349SBodong Wang if (modify_rq) { 331834d57585SYishai Hadas err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param, 331934d57585SYishai Hadas qp->ibqp.pd); 3320ad5f8e96Smajd@mellanox.com if (err) 3321ad5f8e96Smajd@mellanox.com return err; 3322ad5f8e96Smajd@mellanox.com } 3323ad5f8e96Smajd@mellanox.com 33247d29f349SBodong Wang if (modify_sq) { 3325d5ed8ac3SMark Bloch struct mlx5_flow_handle *flow_rule; 3326d5ed8ac3SMark Bloch 332713eab21fSAviv Heller if (tx_affinity) { 332813eab21fSAviv Heller err = modify_raw_packet_tx_affinity(dev->mdev, sq, 33291cd6dbd3SYishai Hadas tx_affinity, 33301cd6dbd3SYishai Hadas qp->ibqp.pd); 333113eab21fSAviv Heller if (err) 333213eab21fSAviv Heller return err; 333313eab21fSAviv Heller } 333413eab21fSAviv Heller 3335d5ed8ac3SMark Bloch flow_rule = create_flow_rule_vport_sq(dev, sq, 3336d5ed8ac3SMark Bloch raw_qp_param->port); 3337d5ed8ac3SMark Bloch if (IS_ERR(flow_rule)) 33381db86318SColin Ian King return PTR_ERR(flow_rule); 3339d5ed8ac3SMark Bloch 3340d5ed8ac3SMark Bloch err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, 3341c14003f0SYishai Hadas raw_qp_param, qp->ibqp.pd); 3342d5ed8ac3SMark Bloch if (err) { 3343d5ed8ac3SMark Bloch if (flow_rule) 3344d5ed8ac3SMark Bloch mlx5_del_flow_rules(flow_rule); 3345d5ed8ac3SMark Bloch return err; 3346d5ed8ac3SMark Bloch } 3347d5ed8ac3SMark Bloch 3348d5ed8ac3SMark Bloch if (flow_rule) { 3349d5ed8ac3SMark Bloch destroy_flow_rule_vport_sq(sq); 3350d5ed8ac3SMark Bloch sq->flow_rule = flow_rule; 3351d5ed8ac3SMark Bloch } 3352d5ed8ac3SMark Bloch 3353d5ed8ac3SMark Bloch return err; 335413eab21fSAviv Heller } 3355ad5f8e96Smajd@mellanox.com 3356ad5f8e96Smajd@mellanox.com return 0; 3357ad5f8e96Smajd@mellanox.com } 3358ad5f8e96Smajd@mellanox.com 3359c6a21c38SMajd Dibbiny static unsigned int get_tx_affinity(struct mlx5_ib_dev *dev, 3360c6a21c38SMajd Dibbiny struct mlx5_ib_pd *pd, 3361c6a21c38SMajd Dibbiny struct mlx5_ib_qp_base *qp_base, 336289944450SShamir Rabinovitch u8 port_num, struct ib_udata *udata) 3363c6a21c38SMajd Dibbiny { 336489944450SShamir Rabinovitch struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 336589944450SShamir Rabinovitch udata, struct mlx5_ib_ucontext, ibucontext); 3366c6a21c38SMajd Dibbiny unsigned int tx_port_affinity; 3367c6a21c38SMajd Dibbiny 3368c6a21c38SMajd Dibbiny if (ucontext) { 3369c6a21c38SMajd Dibbiny tx_port_affinity = (unsigned int)atomic_add_return( 3370c6a21c38SMajd Dibbiny 1, &ucontext->tx_port_affinity) % 3371c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3372c6a21c38SMajd Dibbiny 1; 3373c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x ucontext %p\n", 3374c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn, ucontext); 3375c6a21c38SMajd Dibbiny } else { 3376c6a21c38SMajd Dibbiny tx_port_affinity = 3377c6a21c38SMajd Dibbiny (unsigned int)atomic_add_return( 337895579e78SMark Bloch 1, &dev->port[port_num].roce.tx_port_affinity) % 3379c6a21c38SMajd Dibbiny MLX5_MAX_PORTS + 3380c6a21c38SMajd Dibbiny 1; 3381c6a21c38SMajd Dibbiny mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n", 3382c6a21c38SMajd Dibbiny tx_port_affinity, qp_base->mqp.qpn); 3383c6a21c38SMajd Dibbiny } 3384c6a21c38SMajd Dibbiny 3385c6a21c38SMajd Dibbiny return tx_port_affinity; 3386c6a21c38SMajd Dibbiny } 3387c6a21c38SMajd Dibbiny 3388d14133ddSMark Zhang static int __mlx5_ib_qp_set_counter(struct ib_qp *qp, 3389d14133ddSMark Zhang struct rdma_counter *counter) 3390d14133ddSMark Zhang { 3391d14133ddSMark Zhang struct mlx5_ib_dev *dev = to_mdev(qp->device); 3392d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 3393d14133ddSMark Zhang struct mlx5_qp_context context = {}; 3394d14133ddSMark Zhang struct mlx5_ib_qp_base *base; 3395d14133ddSMark Zhang u32 set_id; 3396d14133ddSMark Zhang 3397d14133ddSMark Zhang if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) 3398d14133ddSMark Zhang return 0; 3399d14133ddSMark Zhang 34003e1f000fSParav Pandit if (counter) 3401d14133ddSMark Zhang set_id = counter->id; 34023e1f000fSParav Pandit else 34033e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, mqp->port - 1); 3404d14133ddSMark Zhang 3405d14133ddSMark Zhang base = &mqp->trans_qp.base; 3406d14133ddSMark Zhang context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff); 3407d14133ddSMark Zhang context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24); 3408d14133ddSMark Zhang return mlx5_core_qp_modify(dev->mdev, 3409d14133ddSMark Zhang MLX5_CMD_OP_RTS2RTS_QP, 3410d14133ddSMark Zhang MLX5_QP_OPTPAR_COUNTER_SET_ID, 3411d14133ddSMark Zhang &context, &base->mqp); 3412d14133ddSMark Zhang } 3413d14133ddSMark Zhang 3414e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, 3415e126ba97SEli Cohen const struct ib_qp_attr *attr, int attr_mask, 341689944450SShamir Rabinovitch enum ib_qp_state cur_state, 341789944450SShamir Rabinovitch enum ib_qp_state new_state, 341889944450SShamir Rabinovitch const struct mlx5_ib_modify_qp *ucmd, 341989944450SShamir Rabinovitch struct ib_udata *udata) 3420e126ba97SEli Cohen { 3421427c1e7bSmajd@mellanox.com static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { 3422427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = { 3423427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3424427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3425427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, 3426427c1e7bSmajd@mellanox.com }, 3427427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = { 3428427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3429427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3430427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, 3431427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, 3432427c1e7bSmajd@mellanox.com }, 3433427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTR] = { 3434427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3435427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3436427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, 3437427c1e7bSmajd@mellanox.com }, 3438427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = { 3439427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3440427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3441427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, 3442427c1e7bSmajd@mellanox.com }, 3443427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQD] = { 3444427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3445427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3446427c1e7bSmajd@mellanox.com }, 3447427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_SQER] = { 3448427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3449427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3450427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, 3451427c1e7bSmajd@mellanox.com }, 3452427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = { 3453427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, 3454427c1e7bSmajd@mellanox.com [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, 3455427c1e7bSmajd@mellanox.com } 3456427c1e7bSmajd@mellanox.com }; 3457427c1e7bSmajd@mellanox.com 3458e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3459e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 346019098df2Smajd@mellanox.com struct mlx5_ib_qp_base *base = &qp->trans_qp.base; 3461e126ba97SEli Cohen struct mlx5_ib_cq *send_cq, *recv_cq; 3462e126ba97SEli Cohen struct mlx5_qp_context *context; 3463e126ba97SEli Cohen struct mlx5_ib_pd *pd; 3464e126ba97SEli Cohen enum mlx5_qp_state mlx5_cur, mlx5_new; 3465e126ba97SEli Cohen enum mlx5_qp_optpar optpar; 3466d14133ddSMark Zhang u32 set_id = 0; 3467e126ba97SEli Cohen int mlx5_st; 3468e126ba97SEli Cohen int err; 3469427c1e7bSmajd@mellanox.com u16 op; 347013eab21fSAviv Heller u8 tx_affinity = 0; 3471e126ba97SEli Cohen 347255de9a77SLeon Romanovsky mlx5_st = to_mlx5_st(ibqp->qp_type == IB_QPT_DRIVER ? 347355de9a77SLeon Romanovsky qp->qp_sub_type : ibqp->qp_type); 347455de9a77SLeon Romanovsky if (mlx5_st < 0) 347555de9a77SLeon Romanovsky return -EINVAL; 347655de9a77SLeon Romanovsky 34771a412fb1SSaeed Mahameed context = kzalloc(sizeof(*context), GFP_KERNEL); 34781a412fb1SSaeed Mahameed if (!context) 3479e126ba97SEli Cohen return -ENOMEM; 3480e126ba97SEli Cohen 3481c6a21c38SMajd Dibbiny pd = get_pd(qp); 348255de9a77SLeon Romanovsky context->flags = cpu_to_be32(mlx5_st << 16); 3483e126ba97SEli Cohen 3484e126ba97SEli Cohen if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { 3485e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3486e126ba97SEli Cohen } else { 3487e126ba97SEli Cohen switch (attr->path_mig_state) { 3488e126ba97SEli Cohen case IB_MIG_MIGRATED: 3489e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); 3490e126ba97SEli Cohen break; 3491e126ba97SEli Cohen case IB_MIG_REARM: 3492e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); 3493e126ba97SEli Cohen break; 3494e126ba97SEli Cohen case IB_MIG_ARMED: 3495e126ba97SEli Cohen context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); 3496e126ba97SEli Cohen break; 3497e126ba97SEli Cohen } 3498e126ba97SEli Cohen } 3499e126ba97SEli Cohen 350013eab21fSAviv Heller if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { 350113eab21fSAviv Heller if ((ibqp->qp_type == IB_QPT_RC) || 350213eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UD && 350313eab21fSAviv Heller !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || 350413eab21fSAviv Heller (ibqp->qp_type == IB_QPT_UC) || 350513eab21fSAviv Heller (ibqp->qp_type == IB_QPT_RAW_PACKET) || 350613eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_INI) || 350713eab21fSAviv Heller (ibqp->qp_type == IB_QPT_XRC_TGT)) { 35087c34ec19SAviv Heller if (dev->lag_active) { 350995579e78SMark Bloch u8 p = mlx5_core_native_port_num(dev->mdev) - 1; 351089944450SShamir Rabinovitch tx_affinity = get_tx_affinity(dev, pd, base, p, 351189944450SShamir Rabinovitch udata); 351213eab21fSAviv Heller context->flags |= cpu_to_be32(tx_affinity << 24); 351313eab21fSAviv Heller } 351413eab21fSAviv Heller } 351513eab21fSAviv Heller } 351613eab21fSAviv Heller 3517d16e91daSHaggai Eran if (is_sqp(ibqp->qp_type)) { 3518e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_256 << 5) | 8; 3519c2e53b2cSYishai Hadas } else if ((ibqp->qp_type == IB_QPT_UD && 3520c2e53b2cSYishai Hadas !(qp->flags & MLX5_IB_QP_UNDERLAY)) || 3521e126ba97SEli Cohen ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { 3522e126ba97SEli Cohen context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; 3523e126ba97SEli Cohen } else if (attr_mask & IB_QP_PATH_MTU) { 3524e126ba97SEli Cohen if (attr->path_mtu < IB_MTU_256 || 3525e126ba97SEli Cohen attr->path_mtu > IB_MTU_4096) { 3526e126ba97SEli Cohen mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); 3527e126ba97SEli Cohen err = -EINVAL; 3528e126ba97SEli Cohen goto out; 3529e126ba97SEli Cohen } 3530938fe83cSSaeed Mahameed context->mtu_msgmax = (attr->path_mtu << 5) | 3531938fe83cSSaeed Mahameed (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); 3532e126ba97SEli Cohen } 3533e126ba97SEli Cohen 3534e126ba97SEli Cohen if (attr_mask & IB_QP_DEST_QPN) 3535e126ba97SEli Cohen context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); 3536e126ba97SEli Cohen 3537e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) 3538d3ae2bdeSNoa Osherovich context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); 3539e126ba97SEli Cohen 3540e126ba97SEli Cohen /* todo implement counter_index functionality */ 3541e126ba97SEli Cohen 3542e126ba97SEli Cohen if (is_sqp(ibqp->qp_type)) 3543e126ba97SEli Cohen context->pri_path.port = qp->port; 3544e126ba97SEli Cohen 3545e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3546e126ba97SEli Cohen context->pri_path.port = attr->port_num; 3547e126ba97SEli Cohen 3548e126ba97SEli Cohen if (attr_mask & IB_QP_AV) { 354975850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, 3550e126ba97SEli Cohen attr_mask & IB_QP_PORT ? attr->port_num : qp->port, 3551f879ee8dSAchiad Shochat attr_mask, 0, attr, false); 3552e126ba97SEli Cohen if (err) 3553e126ba97SEli Cohen goto out; 3554e126ba97SEli Cohen } 3555e126ba97SEli Cohen 3556e126ba97SEli Cohen if (attr_mask & IB_QP_TIMEOUT) 3557e126ba97SEli Cohen context->pri_path.ackto_lt |= attr->timeout << 3; 3558e126ba97SEli Cohen 3559e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) { 356075850d0bSmajd@mellanox.com err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, 356175850d0bSmajd@mellanox.com &context->alt_path, 3562f879ee8dSAchiad Shochat attr->alt_port_num, 3563f879ee8dSAchiad Shochat attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, 3564f879ee8dSAchiad Shochat 0, attr, true); 3565e126ba97SEli Cohen if (err) 3566e126ba97SEli Cohen goto out; 3567e126ba97SEli Cohen } 3568e126ba97SEli Cohen 356989ea94a7SMaor Gottlieb get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, 357089ea94a7SMaor Gottlieb &send_cq, &recv_cq); 3571e126ba97SEli Cohen 3572e126ba97SEli Cohen context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); 3573e126ba97SEli Cohen context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; 3574e126ba97SEli Cohen context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; 3575e126ba97SEli Cohen context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); 3576e126ba97SEli Cohen 3577e126ba97SEli Cohen if (attr_mask & IB_QP_RNR_RETRY) 3578e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->rnr_retry << 13); 3579e126ba97SEli Cohen 3580e126ba97SEli Cohen if (attr_mask & IB_QP_RETRY_CNT) 3581e126ba97SEli Cohen context->params1 |= cpu_to_be32(attr->retry_cnt << 16); 3582e126ba97SEli Cohen 3583e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { 3584e126ba97SEli Cohen if (attr->max_rd_atomic) 3585e126ba97SEli Cohen context->params1 |= 3586e126ba97SEli Cohen cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); 3587e126ba97SEli Cohen } 3588e126ba97SEli Cohen 3589e126ba97SEli Cohen if (attr_mask & IB_QP_SQ_PSN) 3590e126ba97SEli Cohen context->next_send_psn = cpu_to_be32(attr->sq_psn); 3591e126ba97SEli Cohen 3592e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { 3593e126ba97SEli Cohen if (attr->max_dest_rd_atomic) 3594e126ba97SEli Cohen context->params2 |= 3595e126ba97SEli Cohen cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); 3596e126ba97SEli Cohen } 3597e126ba97SEli Cohen 3598a60109dcSYonatan Cohen if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) { 3599bf3b4f06SBart Van Assche __be32 access_flags; 3600a60109dcSYonatan Cohen 3601a60109dcSYonatan Cohen err = to_mlx5_access_flags(qp, attr, attr_mask, &access_flags); 3602a60109dcSYonatan Cohen if (err) 3603a60109dcSYonatan Cohen goto out; 3604a60109dcSYonatan Cohen 3605a60109dcSYonatan Cohen context->params2 |= access_flags; 3606a60109dcSYonatan Cohen } 3607e126ba97SEli Cohen 3608e126ba97SEli Cohen if (attr_mask & IB_QP_MIN_RNR_TIMER) 3609e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); 3610e126ba97SEli Cohen 3611e126ba97SEli Cohen if (attr_mask & IB_QP_RQ_PSN) 3612e126ba97SEli Cohen context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); 3613e126ba97SEli Cohen 3614e126ba97SEli Cohen if (attr_mask & IB_QP_QKEY) 3615e126ba97SEli Cohen context->qkey = cpu_to_be32(attr->qkey); 3616e126ba97SEli Cohen 3617e126ba97SEli Cohen if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3618e126ba97SEli Cohen context->db_rec_addr = cpu_to_be64(qp->db.dma); 3619e126ba97SEli Cohen 36200837e86aSMark Bloch if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 36210837e86aSMark Bloch u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : 36220837e86aSMark Bloch qp->port) - 1; 3623c2e53b2cSYishai Hadas 3624c2e53b2cSYishai Hadas /* Underlay port should be used - index 0 function per port */ 3625c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) 3626c2e53b2cSYishai Hadas port_num = 0; 3627c2e53b2cSYishai Hadas 3628d14133ddSMark Zhang if (ibqp->counter) 3629d14133ddSMark Zhang set_id = ibqp->counter->id; 3630d14133ddSMark Zhang else 36313e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, port_num); 36320837e86aSMark Bloch context->qp_counter_set_usr_page |= 3633d14133ddSMark Zhang cpu_to_be32(set_id << 24); 36340837e86aSMark Bloch } 36350837e86aSMark Bloch 3636e126ba97SEli Cohen if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) 3637e126ba97SEli Cohen context->sq_crq_size |= cpu_to_be16(1 << 4); 3638e126ba97SEli Cohen 3639b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 3640b11a4f9cSHaggai Eran context->deth_sqpn = cpu_to_be32(1); 3641e126ba97SEli Cohen 3642e126ba97SEli Cohen mlx5_cur = to_mlx5_state(cur_state); 3643e126ba97SEli Cohen mlx5_new = to_mlx5_state(new_state); 3644e126ba97SEli Cohen 3645427c1e7bSmajd@mellanox.com if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || 36465d414b17SDan Carpenter !optab[mlx5_cur][mlx5_new]) { 36475d414b17SDan Carpenter err = -EINVAL; 3648427c1e7bSmajd@mellanox.com goto out; 36495d414b17SDan Carpenter } 3650427c1e7bSmajd@mellanox.com 3651427c1e7bSmajd@mellanox.com op = optab[mlx5_cur][mlx5_new]; 3652e126ba97SEli Cohen optpar = ib_mask_to_mlx5_opt(attr_mask); 3653e126ba97SEli Cohen optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; 3654ad5f8e96Smajd@mellanox.com 3655c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 3656c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 36570680efa2SAlex Vesker struct mlx5_modify_raw_qp_param raw_qp_param = {}; 36580680efa2SAlex Vesker 36590680efa2SAlex Vesker raw_qp_param.operation = op; 3660eb49ab0cSAlex Vesker if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3661d14133ddSMark Zhang raw_qp_param.rq_q_ctr_id = set_id; 3662eb49ab0cSAlex Vesker raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; 3663eb49ab0cSAlex Vesker } 36647d29f349SBodong Wang 3665d5ed8ac3SMark Bloch if (attr_mask & IB_QP_PORT) 3666d5ed8ac3SMark Bloch raw_qp_param.port = attr->port_num; 3667d5ed8ac3SMark Bloch 36687d29f349SBodong Wang if (attr_mask & IB_QP_RATE_LIMIT) { 366961147f39SBodong Wang raw_qp_param.rl.rate = attr->rate_limit; 367061147f39SBodong Wang 367161147f39SBodong Wang if (ucmd->burst_info.max_burst_sz) { 367261147f39SBodong Wang if (attr->rate_limit && 367361147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_burst_bound)) { 367461147f39SBodong Wang raw_qp_param.rl.max_burst_sz = 367561147f39SBodong Wang ucmd->burst_info.max_burst_sz; 367661147f39SBodong Wang } else { 367761147f39SBodong Wang err = -EINVAL; 367861147f39SBodong Wang goto out; 367961147f39SBodong Wang } 368061147f39SBodong Wang } 368161147f39SBodong Wang 368261147f39SBodong Wang if (ucmd->burst_info.typical_pkt_sz) { 368361147f39SBodong Wang if (attr->rate_limit && 368461147f39SBodong Wang MLX5_CAP_QOS(dev->mdev, packet_pacing_typical_size)) { 368561147f39SBodong Wang raw_qp_param.rl.typical_pkt_sz = 368661147f39SBodong Wang ucmd->burst_info.typical_pkt_sz; 368761147f39SBodong Wang } else { 368861147f39SBodong Wang err = -EINVAL; 368961147f39SBodong Wang goto out; 369061147f39SBodong Wang } 369161147f39SBodong Wang } 369261147f39SBodong Wang 36937d29f349SBodong Wang raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; 36947d29f349SBodong Wang } 36957d29f349SBodong Wang 369613eab21fSAviv Heller err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); 36970680efa2SAlex Vesker } else { 36981a412fb1SSaeed Mahameed err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, 369919098df2Smajd@mellanox.com &base->mqp); 37000680efa2SAlex Vesker } 37010680efa2SAlex Vesker 3702e126ba97SEli Cohen if (err) 3703e126ba97SEli Cohen goto out; 3704e126ba97SEli Cohen 3705e126ba97SEli Cohen qp->state = new_state; 3706e126ba97SEli Cohen 3707e126ba97SEli Cohen if (attr_mask & IB_QP_ACCESS_FLAGS) 370819098df2Smajd@mellanox.com qp->trans_qp.atomic_rd_en = attr->qp_access_flags; 3709e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) 371019098df2Smajd@mellanox.com qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; 3711e126ba97SEli Cohen if (attr_mask & IB_QP_PORT) 3712e126ba97SEli Cohen qp->port = attr->port_num; 3713e126ba97SEli Cohen if (attr_mask & IB_QP_ALT_PATH) 371419098df2Smajd@mellanox.com qp->trans_qp.alt_port = attr->alt_port_num; 3715e126ba97SEli Cohen 3716e126ba97SEli Cohen /* 3717e126ba97SEli Cohen * If we moved a kernel QP to RESET, clean up all old CQ 3718e126ba97SEli Cohen * entries and reinitialize the QP. 3719e126ba97SEli Cohen */ 372075a45982SLeon Romanovsky if (new_state == IB_QPS_RESET && 372175a45982SLeon Romanovsky !ibqp->uobject && ibqp->qp_type != IB_QPT_XRC_TGT) { 372219098df2Smajd@mellanox.com mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, 3723e126ba97SEli Cohen ibqp->srq ? to_msrq(ibqp->srq) : NULL); 3724e126ba97SEli Cohen if (send_cq != recv_cq) 372519098df2Smajd@mellanox.com mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); 3726e126ba97SEli Cohen 3727e126ba97SEli Cohen qp->rq.head = 0; 3728e126ba97SEli Cohen qp->rq.tail = 0; 3729e126ba97SEli Cohen qp->sq.head = 0; 3730e126ba97SEli Cohen qp->sq.tail = 0; 3731e126ba97SEli Cohen qp->sq.cur_post = 0; 373234f4c955SGuy Levi if (qp->sq.wqe_cnt) 373334f4c955SGuy Levi qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); 3734e126ba97SEli Cohen qp->db.db[MLX5_RCV_DBR] = 0; 3735e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = 0; 3736e126ba97SEli Cohen } 3737e126ba97SEli Cohen 3738d14133ddSMark Zhang if ((new_state == IB_QPS_RTS) && qp->counter_pending) { 3739d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(ibqp, ibqp->counter); 3740d14133ddSMark Zhang if (!err) 3741d14133ddSMark Zhang qp->counter_pending = 0; 3742d14133ddSMark Zhang } 3743d14133ddSMark Zhang 3744e126ba97SEli Cohen out: 37451a412fb1SSaeed Mahameed kfree(context); 3746e126ba97SEli Cohen return err; 3747e126ba97SEli Cohen } 3748e126ba97SEli Cohen 3749c32a4f29SMoni Shoua static inline bool is_valid_mask(int mask, int req, int opt) 3750c32a4f29SMoni Shoua { 3751c32a4f29SMoni Shoua if ((mask & req) != req) 3752c32a4f29SMoni Shoua return false; 3753c32a4f29SMoni Shoua 3754c32a4f29SMoni Shoua if (mask & ~(req | opt)) 3755c32a4f29SMoni Shoua return false; 3756c32a4f29SMoni Shoua 3757c32a4f29SMoni Shoua return true; 3758c32a4f29SMoni Shoua } 3759c32a4f29SMoni Shoua 3760c32a4f29SMoni Shoua /* check valid transition for driver QP types 3761c32a4f29SMoni Shoua * for now the only QP type that this function supports is DCI 3762c32a4f29SMoni Shoua */ 3763c32a4f29SMoni Shoua static bool modify_dci_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state new_state, 3764c32a4f29SMoni Shoua enum ib_qp_attr_mask attr_mask) 3765c32a4f29SMoni Shoua { 3766c32a4f29SMoni Shoua int req = IB_QP_STATE; 3767c32a4f29SMoni Shoua int opt = 0; 3768c32a4f29SMoni Shoua 376999ed748eSMoni Shoua if (new_state == IB_QPS_RESET) { 377099ed748eSMoni Shoua return is_valid_mask(attr_mask, req, opt); 377199ed748eSMoni Shoua } else if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 3772c32a4f29SMoni Shoua req |= IB_QP_PKEY_INDEX | IB_QP_PORT; 3773c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3774c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { 3775c32a4f29SMoni Shoua opt = IB_QP_PKEY_INDEX | IB_QP_PORT; 3776c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3777c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3778c32a4f29SMoni Shoua req |= IB_QP_PATH_MTU; 37795ec0304cSArtemy Kovalyov opt = IB_QP_PKEY_INDEX | IB_QP_AV; 3780c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3781c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { 3782c32a4f29SMoni Shoua req |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | IB_QP_RNR_RETRY | 3783c32a4f29SMoni Shoua IB_QP_MAX_QP_RD_ATOMIC | IB_QP_SQ_PSN; 3784c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3785c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3786c32a4f29SMoni Shoua } else if (cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) { 3787c32a4f29SMoni Shoua opt = IB_QP_MIN_RNR_TIMER; 3788c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3789c32a4f29SMoni Shoua } else if (cur_state != IB_QPS_RESET && new_state == IB_QPS_ERR) { 3790c32a4f29SMoni Shoua return is_valid_mask(attr_mask, req, opt); 3791c32a4f29SMoni Shoua } 3792c32a4f29SMoni Shoua return false; 3793c32a4f29SMoni Shoua } 3794c32a4f29SMoni Shoua 3795776a3906SMoni Shoua /* mlx5_ib_modify_dct: modify a DCT QP 3796776a3906SMoni Shoua * valid transitions are: 3797776a3906SMoni Shoua * RESET to INIT: must set access_flags, pkey_index and port 3798776a3906SMoni Shoua * INIT to RTR : must set min_rnr_timer, tclass, flow_label, 3799776a3906SMoni Shoua * mtu, gid_index and hop_limit 3800776a3906SMoni Shoua * Other transitions and attributes are illegal 3801776a3906SMoni Shoua */ 3802776a3906SMoni Shoua static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3803776a3906SMoni Shoua int attr_mask, struct ib_udata *udata) 3804776a3906SMoni Shoua { 3805776a3906SMoni Shoua struct mlx5_ib_qp *qp = to_mqp(ibqp); 3806776a3906SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3807776a3906SMoni Shoua enum ib_qp_state cur_state, new_state; 3808776a3906SMoni Shoua int err = 0; 3809776a3906SMoni Shoua int required = IB_QP_STATE; 3810776a3906SMoni Shoua void *dctc; 3811776a3906SMoni Shoua 3812776a3906SMoni Shoua if (!(attr_mask & IB_QP_STATE)) 3813776a3906SMoni Shoua return -EINVAL; 3814776a3906SMoni Shoua 3815776a3906SMoni Shoua cur_state = qp->state; 3816776a3906SMoni Shoua new_state = attr->qp_state; 3817776a3906SMoni Shoua 3818776a3906SMoni Shoua dctc = MLX5_ADDR_OF(create_dct_in, qp->dct.in, dct_context_entry); 3819776a3906SMoni Shoua if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { 38203e1f000fSParav Pandit u16 set_id; 38213e1f000fSParav Pandit 3822776a3906SMoni Shoua required |= IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; 3823776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3824776a3906SMoni Shoua return -EINVAL; 3825776a3906SMoni Shoua 3826776a3906SMoni Shoua if (attr->port_num == 0 || 3827776a3906SMoni Shoua attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) { 3828776a3906SMoni Shoua mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3829776a3906SMoni Shoua attr->port_num, dev->num_ports); 3830776a3906SMoni Shoua return -EINVAL; 3831776a3906SMoni Shoua } 3832776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ) 3833776a3906SMoni Shoua MLX5_SET(dctc, dctc, rre, 1); 3834776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE) 3835776a3906SMoni Shoua MLX5_SET(dctc, dctc, rwe, 1); 3836776a3906SMoni Shoua if (attr->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC) { 3837a60109dcSYonatan Cohen int atomic_mode; 3838a60109dcSYonatan Cohen 3839a60109dcSYonatan Cohen atomic_mode = get_atomic_mode(dev, MLX5_IB_QPT_DCT); 3840a60109dcSYonatan Cohen if (atomic_mode < 0) 3841776a3906SMoni Shoua return -EOPNOTSUPP; 3842a60109dcSYonatan Cohen 3843a60109dcSYonatan Cohen MLX5_SET(dctc, dctc, atomic_mode, atomic_mode); 3844776a3906SMoni Shoua MLX5_SET(dctc, dctc, rae, 1); 3845776a3906SMoni Shoua } 3846776a3906SMoni Shoua MLX5_SET(dctc, dctc, pkey_index, attr->pkey_index); 3847776a3906SMoni Shoua MLX5_SET(dctc, dctc, port, attr->port_num); 38483e1f000fSParav Pandit 38493e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, attr->port_num - 1); 38503e1f000fSParav Pandit MLX5_SET(dctc, dctc, counter_set_id, set_id); 3851776a3906SMoni Shoua 3852776a3906SMoni Shoua } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { 3853776a3906SMoni Shoua struct mlx5_ib_modify_qp_resp resp = {}; 3854c5ae1954SYishai Hadas u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; 3855776a3906SMoni Shoua u32 min_resp_len = offsetof(typeof(resp), dctn) + 3856776a3906SMoni Shoua sizeof(resp.dctn); 3857776a3906SMoni Shoua 3858776a3906SMoni Shoua if (udata->outlen < min_resp_len) 3859776a3906SMoni Shoua return -EINVAL; 3860776a3906SMoni Shoua resp.response_length = min_resp_len; 3861776a3906SMoni Shoua 3862776a3906SMoni Shoua required |= IB_QP_MIN_RNR_TIMER | IB_QP_AV | IB_QP_PATH_MTU; 3863776a3906SMoni Shoua if (!is_valid_mask(attr_mask, required, 0)) 3864776a3906SMoni Shoua return -EINVAL; 3865776a3906SMoni Shoua MLX5_SET(dctc, dctc, min_rnr_nak, attr->min_rnr_timer); 3866776a3906SMoni Shoua MLX5_SET(dctc, dctc, tclass, attr->ah_attr.grh.traffic_class); 3867776a3906SMoni Shoua MLX5_SET(dctc, dctc, flow_label, attr->ah_attr.grh.flow_label); 3868776a3906SMoni Shoua MLX5_SET(dctc, dctc, mtu, attr->path_mtu); 3869776a3906SMoni Shoua MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index); 3870776a3906SMoni Shoua MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit); 3871776a3906SMoni Shoua 3872776a3906SMoni Shoua err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in, 3873c5ae1954SYishai Hadas MLX5_ST_SZ_BYTES(create_dct_in), out, 3874c5ae1954SYishai Hadas sizeof(out)); 3875776a3906SMoni Shoua if (err) 3876776a3906SMoni Shoua return err; 3877776a3906SMoni Shoua resp.dctn = qp->dct.mdct.mqp.qpn; 3878776a3906SMoni Shoua err = ib_copy_to_udata(udata, &resp, resp.response_length); 3879776a3906SMoni Shoua if (err) { 3880776a3906SMoni Shoua mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct); 3881776a3906SMoni Shoua return err; 3882776a3906SMoni Shoua } 3883776a3906SMoni Shoua } else { 3884776a3906SMoni Shoua mlx5_ib_warn(dev, "Modify DCT: Invalid transition from %d to %d\n", cur_state, new_state); 3885776a3906SMoni Shoua return -EINVAL; 3886776a3906SMoni Shoua } 3887776a3906SMoni Shoua if (err) 3888776a3906SMoni Shoua qp->state = IB_QPS_ERR; 3889776a3906SMoni Shoua else 3890776a3906SMoni Shoua qp->state = new_state; 3891776a3906SMoni Shoua return err; 3892776a3906SMoni Shoua } 3893776a3906SMoni Shoua 3894e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 3895e126ba97SEli Cohen int attr_mask, struct ib_udata *udata) 3896e126ba97SEli Cohen { 3897e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 3898e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 389961147f39SBodong Wang struct mlx5_ib_modify_qp ucmd = {}; 3900d16e91daSHaggai Eran enum ib_qp_type qp_type; 3901e126ba97SEli Cohen enum ib_qp_state cur_state, new_state; 390261147f39SBodong Wang size_t required_cmd_sz; 3903e126ba97SEli Cohen int err = -EINVAL; 3904e126ba97SEli Cohen int port; 3905e126ba97SEli Cohen 390628d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 390728d61370SYishai Hadas return -ENOSYS; 390828d61370SYishai Hadas 390961147f39SBodong Wang if (udata && udata->inlen) { 391061147f39SBodong Wang required_cmd_sz = offsetof(typeof(ucmd), reserved) + 391161147f39SBodong Wang sizeof(ucmd.reserved); 391261147f39SBodong Wang if (udata->inlen < required_cmd_sz) 391361147f39SBodong Wang return -EINVAL; 391461147f39SBodong Wang 391561147f39SBodong Wang if (udata->inlen > sizeof(ucmd) && 391661147f39SBodong Wang !ib_is_udata_cleared(udata, sizeof(ucmd), 391761147f39SBodong Wang udata->inlen - sizeof(ucmd))) 391861147f39SBodong Wang return -EOPNOTSUPP; 391961147f39SBodong Wang 392061147f39SBodong Wang if (ib_copy_from_udata(&ucmd, udata, 392161147f39SBodong Wang min(udata->inlen, sizeof(ucmd)))) 392261147f39SBodong Wang return -EFAULT; 392361147f39SBodong Wang 392461147f39SBodong Wang if (ucmd.comp_mask || 392561147f39SBodong Wang memchr_inv(&ucmd.reserved, 0, sizeof(ucmd.reserved)) || 392661147f39SBodong Wang memchr_inv(&ucmd.burst_info.reserved, 0, 392761147f39SBodong Wang sizeof(ucmd.burst_info.reserved))) 392861147f39SBodong Wang return -EOPNOTSUPP; 392961147f39SBodong Wang } 393061147f39SBodong Wang 3931d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 3932d16e91daSHaggai Eran return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); 3933d16e91daSHaggai Eran 3934c32a4f29SMoni Shoua if (ibqp->qp_type == IB_QPT_DRIVER) 3935c32a4f29SMoni Shoua qp_type = qp->qp_sub_type; 3936c32a4f29SMoni Shoua else 3937d16e91daSHaggai Eran qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? 3938d16e91daSHaggai Eran IB_QPT_GSI : ibqp->qp_type; 3939d16e91daSHaggai Eran 3940776a3906SMoni Shoua if (qp_type == MLX5_IB_QPT_DCT) 3941776a3906SMoni Shoua return mlx5_ib_modify_dct(ibqp, attr, attr_mask, udata); 3942c32a4f29SMoni Shoua 3943e126ba97SEli Cohen mutex_lock(&qp->mutex); 3944e126ba97SEli Cohen 3945e126ba97SEli Cohen cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; 3946e126ba97SEli Cohen new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; 3947e126ba97SEli Cohen 39482811ba51SAchiad Shochat if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { 39492811ba51SAchiad Shochat port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 39502811ba51SAchiad Shochat } 39512811ba51SAchiad Shochat 3952c2e53b2cSYishai Hadas if (qp->flags & MLX5_IB_QP_UNDERLAY) { 3953c2e53b2cSYishai Hadas if (attr_mask & ~(IB_QP_STATE | IB_QP_CUR_STATE)) { 3954c2e53b2cSYishai Hadas mlx5_ib_dbg(dev, "invalid attr_mask 0x%x when underlay QP is used\n", 3955c2e53b2cSYishai Hadas attr_mask); 3956c2e53b2cSYishai Hadas goto out; 3957c2e53b2cSYishai Hadas } 3958c2e53b2cSYishai Hadas } else if (qp_type != MLX5_IB_QPT_REG_UMR && 3959c32a4f29SMoni Shoua qp_type != MLX5_IB_QPT_DCI && 3960d31131bbSKamal Heib !ib_modify_qp_is_ok(cur_state, new_state, qp_type, 3961d31131bbSKamal Heib attr_mask)) { 3962158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3963158abf86SHaggai Eran cur_state, new_state, ibqp->qp_type, attr_mask); 3964e126ba97SEli Cohen goto out; 3965c32a4f29SMoni Shoua } else if (qp_type == MLX5_IB_QPT_DCI && 3966c32a4f29SMoni Shoua !modify_dci_qp_is_ok(cur_state, new_state, attr_mask)) { 3967c32a4f29SMoni Shoua mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", 3968c32a4f29SMoni Shoua cur_state, new_state, qp_type, attr_mask); 3969c32a4f29SMoni Shoua goto out; 3970158abf86SHaggai Eran } 3971e126ba97SEli Cohen 3972e126ba97SEli Cohen if ((attr_mask & IB_QP_PORT) && 3973938fe83cSSaeed Mahameed (attr->port_num == 0 || 3974508562d6SDaniel Jurgens attr->port_num > dev->num_ports)) { 3975158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", 3976158abf86SHaggai Eran attr->port_num, dev->num_ports); 3977e126ba97SEli Cohen goto out; 3978158abf86SHaggai Eran } 3979e126ba97SEli Cohen 3980e126ba97SEli Cohen if (attr_mask & IB_QP_PKEY_INDEX) { 3981e126ba97SEli Cohen port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; 3982938fe83cSSaeed Mahameed if (attr->pkey_index >= 3983158abf86SHaggai Eran dev->mdev->port_caps[port - 1].pkey_table_len) { 3984158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid pkey index %d\n", 3985158abf86SHaggai Eran attr->pkey_index); 3986e126ba97SEli Cohen goto out; 3987e126ba97SEli Cohen } 3988158abf86SHaggai Eran } 3989e126ba97SEli Cohen 3990e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && 3991938fe83cSSaeed Mahameed attr->max_rd_atomic > 3992158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { 3993158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", 3994158abf86SHaggai Eran attr->max_rd_atomic); 3995e126ba97SEli Cohen goto out; 3996158abf86SHaggai Eran } 3997e126ba97SEli Cohen 3998e126ba97SEli Cohen if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && 3999938fe83cSSaeed Mahameed attr->max_dest_rd_atomic > 4000158abf86SHaggai Eran (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { 4001158abf86SHaggai Eran mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", 4002158abf86SHaggai Eran attr->max_dest_rd_atomic); 4003e126ba97SEli Cohen goto out; 4004158abf86SHaggai Eran } 4005e126ba97SEli Cohen 4006e126ba97SEli Cohen if (cur_state == new_state && cur_state == IB_QPS_RESET) { 4007e126ba97SEli Cohen err = 0; 4008e126ba97SEli Cohen goto out; 4009e126ba97SEli Cohen } 4010e126ba97SEli Cohen 401161147f39SBodong Wang err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, 401289944450SShamir Rabinovitch new_state, &ucmd, udata); 4013e126ba97SEli Cohen 4014e126ba97SEli Cohen out: 4015e126ba97SEli Cohen mutex_unlock(&qp->mutex); 4016e126ba97SEli Cohen return err; 4017e126ba97SEli Cohen } 4018e126ba97SEli Cohen 401934f4c955SGuy Levi static void _handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 402034f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 402134f4c955SGuy Levi { 402234f4c955SGuy Levi u32 idx; 402334f4c955SGuy Levi 402434f4c955SGuy Levi idx = (sq->cur_post + (wqe_sz >> 2)) & (sq->wqe_cnt - 1); 402534f4c955SGuy Levi *cur_edge = get_sq_edge(sq, idx); 402634f4c955SGuy Levi 402734f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&sq->fbc, idx); 402834f4c955SGuy Levi } 402934f4c955SGuy Levi 403034f4c955SGuy Levi /* handle_post_send_edge - Check if we get to SQ edge. If yes, update to the 403134f4c955SGuy Levi * next nearby edge and get new address translation for current WQE position. 403234f4c955SGuy Levi * @sq - SQ buffer. 403334f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 403434f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 403534f4c955SGuy Levi * @cur_edge: Updated current edge. 403634f4c955SGuy Levi */ 403734f4c955SGuy Levi static inline void handle_post_send_edge(struct mlx5_ib_wq *sq, void **seg, 403834f4c955SGuy Levi u32 wqe_sz, void **cur_edge) 403934f4c955SGuy Levi { 404034f4c955SGuy Levi if (likely(*seg != *cur_edge)) 404134f4c955SGuy Levi return; 404234f4c955SGuy Levi 404334f4c955SGuy Levi _handle_post_send_edge(sq, seg, wqe_sz, cur_edge); 404434f4c955SGuy Levi } 404534f4c955SGuy Levi 404634f4c955SGuy Levi /* memcpy_send_wqe - copy data from src to WQE and update the relevant WQ's 404734f4c955SGuy Levi * pointers. At the end @seg is aligned to 16B regardless the copied size. 404834f4c955SGuy Levi * @sq - SQ buffer. 404934f4c955SGuy Levi * @cur_edge: Updated current edge. 405034f4c955SGuy Levi * @seg: Current WQE position (16B aligned). 405134f4c955SGuy Levi * @wqe_sz: Total current WQE size [16B]. 405234f4c955SGuy Levi * @src: Pointer to copy from. 405334f4c955SGuy Levi * @n: Number of bytes to copy. 405434f4c955SGuy Levi */ 405534f4c955SGuy Levi static inline void memcpy_send_wqe(struct mlx5_ib_wq *sq, void **cur_edge, 405634f4c955SGuy Levi void **seg, u32 *wqe_sz, const void *src, 405734f4c955SGuy Levi size_t n) 405834f4c955SGuy Levi { 405934f4c955SGuy Levi while (likely(n)) { 406034f4c955SGuy Levi size_t leftlen = *cur_edge - *seg; 406134f4c955SGuy Levi size_t copysz = min_t(size_t, leftlen, n); 406234f4c955SGuy Levi size_t stride; 406334f4c955SGuy Levi 406434f4c955SGuy Levi memcpy(*seg, src, copysz); 406534f4c955SGuy Levi 406634f4c955SGuy Levi n -= copysz; 406734f4c955SGuy Levi src += copysz; 406834f4c955SGuy Levi stride = !n ? ALIGN(copysz, 16) : copysz; 406934f4c955SGuy Levi *seg += stride; 407034f4c955SGuy Levi *wqe_sz += stride >> 4; 407134f4c955SGuy Levi handle_post_send_edge(sq, seg, *wqe_sz, cur_edge); 407234f4c955SGuy Levi } 407334f4c955SGuy Levi } 407434f4c955SGuy Levi 4075e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) 4076e126ba97SEli Cohen { 4077e126ba97SEli Cohen struct mlx5_ib_cq *cq; 4078e126ba97SEli Cohen unsigned cur; 4079e126ba97SEli Cohen 4080e126ba97SEli Cohen cur = wq->head - wq->tail; 4081e126ba97SEli Cohen if (likely(cur + nreq < wq->max_post)) 4082e126ba97SEli Cohen return 0; 4083e126ba97SEli Cohen 4084e126ba97SEli Cohen cq = to_mcq(ib_cq); 4085e126ba97SEli Cohen spin_lock(&cq->lock); 4086e126ba97SEli Cohen cur = wq->head - wq->tail; 4087e126ba97SEli Cohen spin_unlock(&cq->lock); 4088e126ba97SEli Cohen 4089e126ba97SEli Cohen return cur + nreq >= wq->max_post; 4090e126ba97SEli Cohen } 4091e126ba97SEli Cohen 4092e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, 4093e126ba97SEli Cohen u64 remote_addr, u32 rkey) 4094e126ba97SEli Cohen { 4095e126ba97SEli Cohen rseg->raddr = cpu_to_be64(remote_addr); 4096e126ba97SEli Cohen rseg->rkey = cpu_to_be32(rkey); 4097e126ba97SEli Cohen rseg->reserved = 0; 4098e126ba97SEli Cohen } 4099e126ba97SEli Cohen 410034f4c955SGuy Levi static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp, 410134f4c955SGuy Levi void **seg, int *size, void **cur_edge) 4102f0313965SErez Shitrit { 410334f4c955SGuy Levi struct mlx5_wqe_eth_seg *eseg = *seg; 4104f0313965SErez Shitrit 4105f0313965SErez Shitrit memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); 4106f0313965SErez Shitrit 4107f0313965SErez Shitrit if (wr->send_flags & IB_SEND_IP_CSUM) 4108f0313965SErez Shitrit eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | 4109f0313965SErez Shitrit MLX5_ETH_WQE_L4_CSUM; 4110f0313965SErez Shitrit 4111f0313965SErez Shitrit if (wr->opcode == IB_WR_LSO) { 4112f0313965SErez Shitrit struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); 411334f4c955SGuy Levi size_t left, copysz; 4114f0313965SErez Shitrit void *pdata = ud_wr->header; 411534f4c955SGuy Levi size_t stride; 4116f0313965SErez Shitrit 4117f0313965SErez Shitrit left = ud_wr->hlen; 4118f0313965SErez Shitrit eseg->mss = cpu_to_be16(ud_wr->mss); 41192b31f7aeSSaeed Mahameed eseg->inline_hdr.sz = cpu_to_be16(left); 4120f0313965SErez Shitrit 412134f4c955SGuy Levi /* memcpy_send_wqe should get a 16B align address. Hence, we 412234f4c955SGuy Levi * first copy up to the current edge and then, if needed, 412334f4c955SGuy Levi * fall-through to memcpy_send_wqe. 4124f0313965SErez Shitrit */ 412534f4c955SGuy Levi copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start, 412634f4c955SGuy Levi left); 412734f4c955SGuy Levi memcpy(eseg->inline_hdr.start, pdata, copysz); 412834f4c955SGuy Levi stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) - 412934f4c955SGuy Levi sizeof(eseg->inline_hdr.start) + copysz, 16); 413034f4c955SGuy Levi *size += stride / 16; 413134f4c955SGuy Levi *seg += stride; 4132f0313965SErez Shitrit 413334f4c955SGuy Levi if (copysz < left) { 413434f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4135f0313965SErez Shitrit left -= copysz; 4136f0313965SErez Shitrit pdata += copysz; 413734f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, pdata, 413834f4c955SGuy Levi left); 4139f0313965SErez Shitrit } 4140f0313965SErez Shitrit 414134f4c955SGuy Levi return; 414234f4c955SGuy Levi } 414334f4c955SGuy Levi 414434f4c955SGuy Levi *seg += sizeof(struct mlx5_wqe_eth_seg); 414534f4c955SGuy Levi *size += sizeof(struct mlx5_wqe_eth_seg) / 16; 4146f0313965SErez Shitrit } 4147f0313965SErez Shitrit 4148e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, 4149f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4150e126ba97SEli Cohen { 4151e622f2f4SChristoph Hellwig memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); 4152e622f2f4SChristoph Hellwig dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); 4153e622f2f4SChristoph Hellwig dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); 4154e126ba97SEli Cohen } 4155e126ba97SEli Cohen 4156e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) 4157e126ba97SEli Cohen { 4158e126ba97SEli Cohen dseg->byte_count = cpu_to_be32(sg->length); 4159e126ba97SEli Cohen dseg->lkey = cpu_to_be32(sg->lkey); 4160e126ba97SEli Cohen dseg->addr = cpu_to_be64(sg->addr); 4161e126ba97SEli Cohen } 4162e126ba97SEli Cohen 416331616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes) 4164e126ba97SEli Cohen { 416531616255SArtemy Kovalyov return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / 416631616255SArtemy Kovalyov MLX5_IB_UMR_OCTOWORD; 4167e126ba97SEli Cohen } 4168e126ba97SEli Cohen 4169841b07f9SMoni Shoua static __be64 frwr_mkey_mask(bool atomic) 4170e126ba97SEli Cohen { 4171e126ba97SEli Cohen u64 result; 4172e126ba97SEli Cohen 4173e126ba97SEli Cohen result = MLX5_MKEY_MASK_LEN | 4174e126ba97SEli Cohen MLX5_MKEY_MASK_PAGE_SIZE | 4175e126ba97SEli Cohen MLX5_MKEY_MASK_START_ADDR | 4176e126ba97SEli Cohen MLX5_MKEY_MASK_EN_RINVAL | 4177e126ba97SEli Cohen MLX5_MKEY_MASK_KEY | 4178e126ba97SEli Cohen MLX5_MKEY_MASK_LR | 4179e126ba97SEli Cohen MLX5_MKEY_MASK_LW | 4180e126ba97SEli Cohen MLX5_MKEY_MASK_RR | 4181e126ba97SEli Cohen MLX5_MKEY_MASK_RW | 4182e126ba97SEli Cohen MLX5_MKEY_MASK_SMALL_FENCE | 4183e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4184e126ba97SEli Cohen 4185841b07f9SMoni Shoua if (atomic) 4186841b07f9SMoni Shoua result |= MLX5_MKEY_MASK_A; 4187841b07f9SMoni Shoua 4188e126ba97SEli Cohen return cpu_to_be64(result); 4189e126ba97SEli Cohen } 4190e126ba97SEli Cohen 4191e6631814SSagi Grimberg static __be64 sig_mkey_mask(void) 4192e6631814SSagi Grimberg { 4193e6631814SSagi Grimberg u64 result; 4194e6631814SSagi Grimberg 4195e6631814SSagi Grimberg result = MLX5_MKEY_MASK_LEN | 4196e6631814SSagi Grimberg MLX5_MKEY_MASK_PAGE_SIZE | 4197e6631814SSagi Grimberg MLX5_MKEY_MASK_START_ADDR | 4198d5436ba0SSagi Grimberg MLX5_MKEY_MASK_EN_SIGERR | 4199e6631814SSagi Grimberg MLX5_MKEY_MASK_EN_RINVAL | 4200e6631814SSagi Grimberg MLX5_MKEY_MASK_KEY | 4201e6631814SSagi Grimberg MLX5_MKEY_MASK_LR | 4202e6631814SSagi Grimberg MLX5_MKEY_MASK_LW | 4203e6631814SSagi Grimberg MLX5_MKEY_MASK_RR | 4204e6631814SSagi Grimberg MLX5_MKEY_MASK_RW | 4205e6631814SSagi Grimberg MLX5_MKEY_MASK_SMALL_FENCE | 4206e6631814SSagi Grimberg MLX5_MKEY_MASK_FREE | 4207e6631814SSagi Grimberg MLX5_MKEY_MASK_BSF_EN; 4208e6631814SSagi Grimberg 4209e6631814SSagi Grimberg return cpu_to_be64(result); 4210e6631814SSagi Grimberg } 4211e6631814SSagi Grimberg 42128a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, 4213841b07f9SMoni Shoua struct mlx5_ib_mr *mr, u8 flags, bool atomic) 42148a187ee5SSagi Grimberg { 421538ca87c6SMax Gurtovoy int size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 42168a187ee5SSagi Grimberg 42178a187ee5SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4218b005d316SSagi Grimberg 42199ac7c4bcSMax Gurtovoy umr->flags = flags; 422031616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4221841b07f9SMoni Shoua umr->mkey_mask = frwr_mkey_mask(atomic); 42228a187ee5SSagi Grimberg } 42238a187ee5SSagi Grimberg 4224dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) 4225e126ba97SEli Cohen { 4226e126ba97SEli Cohen memset(umr, 0, sizeof(*umr)); 4227e126ba97SEli Cohen umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); 42282d221588SMax Gurtovoy umr->flags = MLX5_UMR_INLINE; 4229e126ba97SEli Cohen } 4230e126ba97SEli Cohen 423131616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void) 4232e126ba97SEli Cohen { 4233968e78ddSHaggai Eran u64 result; 4234e126ba97SEli Cohen 423531616255SArtemy Kovalyov result = MLX5_MKEY_MASK_KEY | 4236e126ba97SEli Cohen MLX5_MKEY_MASK_FREE; 4237968e78ddSHaggai Eran 4238968e78ddSHaggai Eran return cpu_to_be64(result); 4239968e78ddSHaggai Eran } 4240968e78ddSHaggai Eran 424131616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void) 4242968e78ddSHaggai Eran { 4243968e78ddSHaggai Eran u64 result; 4244968e78ddSHaggai Eran 4245968e78ddSHaggai Eran result = MLX5_MKEY_MASK_FREE; 4246968e78ddSHaggai Eran 4247968e78ddSHaggai Eran return cpu_to_be64(result); 4248968e78ddSHaggai Eran } 4249968e78ddSHaggai Eran 425056e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void) 425156e11d62SNoa Osherovich { 425256e11d62SNoa Osherovich u64 result; 425356e11d62SNoa Osherovich 425456e11d62SNoa Osherovich result = MLX5_MKEY_MASK_LEN | 425556e11d62SNoa Osherovich MLX5_MKEY_MASK_PAGE_SIZE | 425631616255SArtemy Kovalyov MLX5_MKEY_MASK_START_ADDR; 425756e11d62SNoa Osherovich 425856e11d62SNoa Osherovich return cpu_to_be64(result); 425956e11d62SNoa Osherovich } 426056e11d62SNoa Osherovich 426131616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic) 426256e11d62SNoa Osherovich { 426356e11d62SNoa Osherovich u64 result; 426456e11d62SNoa Osherovich 426531616255SArtemy Kovalyov result = MLX5_MKEY_MASK_LR | 426631616255SArtemy Kovalyov MLX5_MKEY_MASK_LW | 426756e11d62SNoa Osherovich MLX5_MKEY_MASK_RR | 426831616255SArtemy Kovalyov MLX5_MKEY_MASK_RW; 426931616255SArtemy Kovalyov 427031616255SArtemy Kovalyov if (atomic) 427131616255SArtemy Kovalyov result |= MLX5_MKEY_MASK_A; 427256e11d62SNoa Osherovich 427356e11d62SNoa Osherovich return cpu_to_be64(result); 427456e11d62SNoa Osherovich } 427556e11d62SNoa Osherovich 427656e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void) 427756e11d62SNoa Osherovich { 427856e11d62SNoa Osherovich u64 result; 427956e11d62SNoa Osherovich 428031616255SArtemy Kovalyov result = MLX5_MKEY_MASK_PD; 428156e11d62SNoa Osherovich 428256e11d62SNoa Osherovich return cpu_to_be64(result); 428356e11d62SNoa Osherovich } 428456e11d62SNoa Osherovich 4285c8d75a98SMajd Dibbiny static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask) 4286c8d75a98SMajd Dibbiny { 4287c8d75a98SMajd Dibbiny if ((mask & MLX5_MKEY_MASK_PAGE_SIZE && 4288c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) || 4289c8d75a98SMajd Dibbiny (mask & MLX5_MKEY_MASK_A && 4290c8d75a98SMajd Dibbiny MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled))) 4291c8d75a98SMajd Dibbiny return -EPERM; 4292c8d75a98SMajd Dibbiny return 0; 4293c8d75a98SMajd Dibbiny } 4294c8d75a98SMajd Dibbiny 4295c8d75a98SMajd Dibbiny static int set_reg_umr_segment(struct mlx5_ib_dev *dev, 4296c8d75a98SMajd Dibbiny struct mlx5_wqe_umr_ctrl_seg *umr, 4297f696bf6dSBart Van Assche const struct ib_send_wr *wr, int atomic) 4298968e78ddSHaggai Eran { 4299f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4300968e78ddSHaggai Eran 4301968e78ddSHaggai Eran memset(umr, 0, sizeof(*umr)); 4302968e78ddSHaggai Eran 43036a053953SYishai Hadas if (!umrwr->ignore_free_state) { 4304968e78ddSHaggai Eran if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) 43056a053953SYishai Hadas /* fail if free */ 43066a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_FREE; 4307968e78ddSHaggai Eran else 43086a053953SYishai Hadas /* fail if not free */ 43096a053953SYishai Hadas umr->flags = MLX5_UMR_CHECK_NOT_FREE; 43106a053953SYishai Hadas } 4311968e78ddSHaggai Eran 431231616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); 431331616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { 431431616255SArtemy Kovalyov u64 offset = get_xlt_octo(umrwr->offset); 431531616255SArtemy Kovalyov 431631616255SArtemy Kovalyov umr->xlt_offset = cpu_to_be16(offset & 0xffff); 431731616255SArtemy Kovalyov umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); 4318968e78ddSHaggai Eran umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; 4319968e78ddSHaggai Eran } 432056e11d62SNoa Osherovich if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) 432156e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_translation_mask(); 432231616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { 432331616255SArtemy Kovalyov umr->mkey_mask |= get_umr_update_access_mask(atomic); 432456e11d62SNoa Osherovich umr->mkey_mask |= get_umr_update_pd_mask(); 4325e126ba97SEli Cohen } 432631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) 432731616255SArtemy Kovalyov umr->mkey_mask |= get_umr_enable_mr_mask(); 432831616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 432931616255SArtemy Kovalyov umr->mkey_mask |= get_umr_disable_mr_mask(); 4330e126ba97SEli Cohen 4331e126ba97SEli Cohen if (!wr->num_sge) 4332968e78ddSHaggai Eran umr->flags |= MLX5_UMR_INLINE; 4333c8d75a98SMajd Dibbiny 4334c8d75a98SMajd Dibbiny return umr_check_mkey_mask(dev, be64_to_cpu(umr->mkey_mask)); 4335e126ba97SEli Cohen } 4336e126ba97SEli Cohen 4337e126ba97SEli Cohen static u8 get_umr_flags(int acc) 4338e126ba97SEli Cohen { 4339e126ba97SEli Cohen return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | 4340e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | 4341e126ba97SEli Cohen (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | 4342e126ba97SEli Cohen (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | 43432ac45934SSagi Grimberg MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; 4344e126ba97SEli Cohen } 4345e126ba97SEli Cohen 43468a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, 43478a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 43488a187ee5SSagi Grimberg u32 key, int access) 43498a187ee5SSagi Grimberg { 435038ca87c6SMax Gurtovoy int ndescs = ALIGN(mr->ndescs + mr->meta_ndescs, 8) >> 1; 43518a187ee5SSagi Grimberg 43528a187ee5SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4353b005d316SSagi Grimberg 4354ec22eb53SSaeed Mahameed if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) 4355b005d316SSagi Grimberg seg->log2_page_size = ilog2(mr->ibmr.page_size); 4356ec22eb53SSaeed Mahameed else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) 4357b005d316SSagi Grimberg /* KLMs take twice the size of MTTs */ 4358b005d316SSagi Grimberg ndescs *= 2; 4359b005d316SSagi Grimberg 4360b005d316SSagi Grimberg seg->flags = get_umr_flags(access) | mr->access_mode; 43618a187ee5SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); 43628a187ee5SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); 43638a187ee5SSagi Grimberg seg->start_addr = cpu_to_be64(mr->ibmr.iova); 43648a187ee5SSagi Grimberg seg->len = cpu_to_be64(mr->ibmr.length); 43658a187ee5SSagi Grimberg seg->xlt_oct_size = cpu_to_be32(ndescs); 43668a187ee5SSagi Grimberg } 43678a187ee5SSagi Grimberg 4368dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) 4369e126ba97SEli Cohen { 4370e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 4371968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4372e126ba97SEli Cohen } 4373e126ba97SEli Cohen 4374f696bf6dSBart Van Assche static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, 4375f696bf6dSBart Van Assche const struct ib_send_wr *wr) 4376e126ba97SEli Cohen { 4377f696bf6dSBart Van Assche const struct mlx5_umr_wr *umrwr = umr_wr(wr); 4378968e78ddSHaggai Eran 4379e126ba97SEli Cohen memset(seg, 0, sizeof(*seg)); 438031616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) 4381968e78ddSHaggai Eran seg->status = MLX5_MKEY_STATUS_FREE; 4382e126ba97SEli Cohen 4383968e78ddSHaggai Eran seg->flags = convert_access(umrwr->access_flags); 438456e11d62SNoa Osherovich if (umrwr->pd) 4385968e78ddSHaggai Eran seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); 438631616255SArtemy Kovalyov if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && 438731616255SArtemy Kovalyov !umrwr->length) 438831616255SArtemy Kovalyov seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); 438931616255SArtemy Kovalyov 439031616255SArtemy Kovalyov seg->start_addr = cpu_to_be64(umrwr->virt_addr); 4391968e78ddSHaggai Eran seg->len = cpu_to_be64(umrwr->length); 4392968e78ddSHaggai Eran seg->log2_page_size = umrwr->page_shift; 4393746b5583SEli Cohen seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | 4394968e78ddSHaggai Eran mlx5_mkey_variant(umrwr->mkey)); 4395e126ba97SEli Cohen } 4396e126ba97SEli Cohen 43978a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, 43988a187ee5SSagi Grimberg struct mlx5_ib_mr *mr, 43998a187ee5SSagi Grimberg struct mlx5_ib_pd *pd) 44008a187ee5SSagi Grimberg { 440138ca87c6SMax Gurtovoy int bcount = mr->desc_size * (mr->ndescs + mr->meta_ndescs); 44028a187ee5SSagi Grimberg 44038a187ee5SSagi Grimberg dseg->addr = cpu_to_be64(mr->desc_map); 44048a187ee5SSagi Grimberg dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); 44058a187ee5SSagi Grimberg dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); 44068a187ee5SSagi Grimberg } 44078a187ee5SSagi Grimberg 4408f696bf6dSBart Van Assche static __be32 send_ieth(const struct ib_send_wr *wr) 4409e126ba97SEli Cohen { 4410e126ba97SEli Cohen switch (wr->opcode) { 4411e126ba97SEli Cohen case IB_WR_SEND_WITH_IMM: 4412e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 4413e126ba97SEli Cohen return wr->ex.imm_data; 4414e126ba97SEli Cohen 4415e126ba97SEli Cohen case IB_WR_SEND_WITH_INV: 4416e126ba97SEli Cohen return cpu_to_be32(wr->ex.invalidate_rkey); 4417e126ba97SEli Cohen 4418e126ba97SEli Cohen default: 4419e126ba97SEli Cohen return 0; 4420e126ba97SEli Cohen } 4421e126ba97SEli Cohen } 4422e126ba97SEli Cohen 4423e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size) 4424e126ba97SEli Cohen { 4425e126ba97SEli Cohen u8 *p = wqe; 4426e126ba97SEli Cohen u8 res = 0; 4427e126ba97SEli Cohen int i; 4428e126ba97SEli Cohen 4429e126ba97SEli Cohen for (i = 0; i < size; i++) 4430e126ba97SEli Cohen res ^= p[i]; 4431e126ba97SEli Cohen 4432e126ba97SEli Cohen return ~res; 4433e126ba97SEli Cohen } 4434e126ba97SEli Cohen 4435e126ba97SEli Cohen static u8 wq_sig(void *wqe) 4436e126ba97SEli Cohen { 4437e126ba97SEli Cohen return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); 4438e126ba97SEli Cohen } 4439e126ba97SEli Cohen 4440f696bf6dSBart Van Assche static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr, 444134f4c955SGuy Levi void **wqe, int *wqe_sz, void **cur_edge) 4442e126ba97SEli Cohen { 4443e126ba97SEli Cohen struct mlx5_wqe_inline_seg *seg; 444434f4c955SGuy Levi size_t offset; 4445e126ba97SEli Cohen int inl = 0; 4446e126ba97SEli Cohen int i; 4447e126ba97SEli Cohen 444834f4c955SGuy Levi seg = *wqe; 444934f4c955SGuy Levi *wqe += sizeof(*seg); 445034f4c955SGuy Levi offset = sizeof(*seg); 445134f4c955SGuy Levi 4452e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) { 445334f4c955SGuy Levi size_t len = wr->sg_list[i].length; 445434f4c955SGuy Levi void *addr = (void *)(unsigned long)(wr->sg_list[i].addr); 445534f4c955SGuy Levi 4456e126ba97SEli Cohen inl += len; 4457e126ba97SEli Cohen 4458e126ba97SEli Cohen if (unlikely(inl > qp->max_inline_data)) 4459e126ba97SEli Cohen return -ENOMEM; 4460e126ba97SEli Cohen 446134f4c955SGuy Levi while (likely(len)) { 446234f4c955SGuy Levi size_t leftlen; 446334f4c955SGuy Levi size_t copysz; 446434f4c955SGuy Levi 446534f4c955SGuy Levi handle_post_send_edge(&qp->sq, wqe, 446634f4c955SGuy Levi *wqe_sz + (offset >> 4), 446734f4c955SGuy Levi cur_edge); 446834f4c955SGuy Levi 446934f4c955SGuy Levi leftlen = *cur_edge - *wqe; 447034f4c955SGuy Levi copysz = min_t(size_t, leftlen, len); 447134f4c955SGuy Levi 447234f4c955SGuy Levi memcpy(*wqe, addr, copysz); 447334f4c955SGuy Levi len -= copysz; 447434f4c955SGuy Levi addr += copysz; 447534f4c955SGuy Levi *wqe += copysz; 447634f4c955SGuy Levi offset += copysz; 4477e126ba97SEli Cohen } 4478e126ba97SEli Cohen } 4479e126ba97SEli Cohen 4480e126ba97SEli Cohen seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); 4481e126ba97SEli Cohen 448234f4c955SGuy Levi *wqe_sz += ALIGN(inl + sizeof(seg->byte_count), 16) / 16; 4483e126ba97SEli Cohen 4484e126ba97SEli Cohen return 0; 4485e126ba97SEli Cohen } 4486e126ba97SEli Cohen 4487e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type) 4488e6631814SSagi Grimberg { 4489e6631814SSagi Grimberg switch (type) { 4490e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4491e6631814SSagi Grimberg return MLX5_DIF_SIZE; 4492e6631814SSagi Grimberg default: 4493e6631814SSagi Grimberg return 0; 4494e6631814SSagi Grimberg } 4495e6631814SSagi Grimberg } 4496e6631814SSagi Grimberg 4497e6631814SSagi Grimberg static u8 bs_selector(int block_size) 4498e6631814SSagi Grimberg { 4499e6631814SSagi Grimberg switch (block_size) { 4500e6631814SSagi Grimberg case 512: return 0x1; 4501e6631814SSagi Grimberg case 520: return 0x2; 4502e6631814SSagi Grimberg case 4096: return 0x3; 4503e6631814SSagi Grimberg case 4160: return 0x4; 4504e6631814SSagi Grimberg case 1073741824: return 0x5; 4505e6631814SSagi Grimberg default: return 0; 4506e6631814SSagi Grimberg } 4507e6631814SSagi Grimberg } 4508e6631814SSagi Grimberg 450978eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, 4510142537f4SSagi Grimberg struct mlx5_bsf_inl *inl) 4511e6631814SSagi Grimberg { 4512142537f4SSagi Grimberg /* Valid inline section and allow BSF refresh */ 4513142537f4SSagi Grimberg inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | 4514142537f4SSagi Grimberg MLX5_BSF_REFRESH_DIF); 4515142537f4SSagi Grimberg inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); 4516142537f4SSagi Grimberg inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); 4517142537f4SSagi Grimberg /* repeating block */ 4518142537f4SSagi Grimberg inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; 4519142537f4SSagi Grimberg inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? 4520142537f4SSagi Grimberg MLX5_DIF_CRC : MLX5_DIF_IPCS; 4521e6631814SSagi Grimberg 452278eda2bbSSagi Grimberg if (domain->sig.dif.ref_remap) 452378eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; 4524e6631814SSagi Grimberg 452578eda2bbSSagi Grimberg if (domain->sig.dif.app_escape) { 452678eda2bbSSagi Grimberg if (domain->sig.dif.ref_escape) 452778eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; 452878eda2bbSSagi Grimberg else 452978eda2bbSSagi Grimberg inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; 4530e6631814SSagi Grimberg } 4531e6631814SSagi Grimberg 453278eda2bbSSagi Grimberg inl->dif_app_bitmask_check = 453378eda2bbSSagi Grimberg cpu_to_be16(domain->sig.dif.apptag_check_mask); 4534e6631814SSagi Grimberg } 4535e6631814SSagi Grimberg 4536e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr, 4537e6631814SSagi Grimberg struct ib_sig_attrs *sig_attrs, 4538e6631814SSagi Grimberg struct mlx5_bsf *bsf, u32 data_size) 4539e6631814SSagi Grimberg { 4540e6631814SSagi Grimberg struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; 4541e6631814SSagi Grimberg struct mlx5_bsf_basic *basic = &bsf->basic; 4542e6631814SSagi Grimberg struct ib_sig_domain *mem = &sig_attrs->mem; 4543e6631814SSagi Grimberg struct ib_sig_domain *wire = &sig_attrs->wire; 4544e6631814SSagi Grimberg 4545c7f44fbdSSagi Grimberg memset(bsf, 0, sizeof(*bsf)); 4546e6631814SSagi Grimberg 4547142537f4SSagi Grimberg /* Basic + Extended + Inline */ 4548142537f4SSagi Grimberg basic->bsf_size_sbs = 1 << 7; 4549e6631814SSagi Grimberg /* Input domain check byte mask */ 4550e6631814SSagi Grimberg basic->check_byte_mask = sig_attrs->check_mask; 455178eda2bbSSagi Grimberg basic->raw_data_size = cpu_to_be32(data_size); 455278eda2bbSSagi Grimberg 455378eda2bbSSagi Grimberg /* Memory domain */ 455478eda2bbSSagi Grimberg switch (sig_attrs->mem.sig_type) { 455578eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 455678eda2bbSSagi Grimberg break; 455778eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 455878eda2bbSSagi Grimberg basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); 455978eda2bbSSagi Grimberg basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); 456078eda2bbSSagi Grimberg mlx5_fill_inl_bsf(mem, &bsf->m_inl); 456178eda2bbSSagi Grimberg break; 456278eda2bbSSagi Grimberg default: 456378eda2bbSSagi Grimberg return -EINVAL; 456478eda2bbSSagi Grimberg } 456578eda2bbSSagi Grimberg 456678eda2bbSSagi Grimberg /* Wire domain */ 456778eda2bbSSagi Grimberg switch (sig_attrs->wire.sig_type) { 456878eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 456978eda2bbSSagi Grimberg break; 457078eda2bbSSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4571e6631814SSagi Grimberg if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && 457278eda2bbSSagi Grimberg mem->sig_type == wire->sig_type) { 4573e6631814SSagi Grimberg /* Same block structure */ 4574142537f4SSagi Grimberg basic->bsf_size_sbs |= 1 << 4; 4575e6631814SSagi Grimberg if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) 4576fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; 4577c7f44fbdSSagi Grimberg if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) 4578fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; 4579c7f44fbdSSagi Grimberg if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) 4580fd22f78cSSagi Grimberg basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; 4581e6631814SSagi Grimberg } else 4582e6631814SSagi Grimberg basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); 4583e6631814SSagi Grimberg 4584142537f4SSagi Grimberg basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); 458578eda2bbSSagi Grimberg mlx5_fill_inl_bsf(wire, &bsf->w_inl); 4586e6631814SSagi Grimberg break; 4587e6631814SSagi Grimberg default: 4588e6631814SSagi Grimberg return -EINVAL; 4589e6631814SSagi Grimberg } 4590e6631814SSagi Grimberg 4591e6631814SSagi Grimberg return 0; 4592e6631814SSagi Grimberg } 4593e6631814SSagi Grimberg 459438ca87c6SMax Gurtovoy static int set_sig_data_segment(const struct ib_send_wr *send_wr, 459538ca87c6SMax Gurtovoy struct ib_mr *sig_mr, 459638ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs, 459738ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 459838ca87c6SMax Gurtovoy void **cur_edge) 4599e6631814SSagi Grimberg { 4600e6631814SSagi Grimberg struct mlx5_bsf *bsf; 460138ca87c6SMax Gurtovoy u32 data_len; 460238ca87c6SMax Gurtovoy u32 data_key; 460338ca87c6SMax Gurtovoy u64 data_va; 460438ca87c6SMax Gurtovoy u32 prot_len = 0; 460538ca87c6SMax Gurtovoy u32 prot_key = 0; 460638ca87c6SMax Gurtovoy u64 prot_va = 0; 460738ca87c6SMax Gurtovoy bool prot = false; 4608e6631814SSagi Grimberg int ret; 4609e6631814SSagi Grimberg int wqe_size; 461038ca87c6SMax Gurtovoy struct mlx5_ib_mr *mr = to_mmr(sig_mr); 461138ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = mr->pi_mr; 461238ca87c6SMax Gurtovoy 461338ca87c6SMax Gurtovoy data_len = pi_mr->data_length; 461438ca87c6SMax Gurtovoy data_key = pi_mr->ibmr.lkey; 46152563e2f3SMax Gurtovoy data_va = pi_mr->data_iova; 461638ca87c6SMax Gurtovoy if (pi_mr->meta_ndescs) { 461738ca87c6SMax Gurtovoy prot_len = pi_mr->meta_length; 461838ca87c6SMax Gurtovoy prot_key = pi_mr->ibmr.lkey; 4619de0ae958SIsrael Rukshin prot_va = pi_mr->pi_iova; 462038ca87c6SMax Gurtovoy prot = true; 462138ca87c6SMax Gurtovoy } 462238ca87c6SMax Gurtovoy 462338ca87c6SMax Gurtovoy if (!prot || (data_key == prot_key && data_va == prot_va && 462438ca87c6SMax Gurtovoy data_len == prot_len)) { 4625e6631814SSagi Grimberg /** 4626e6631814SSagi Grimberg * Source domain doesn't contain signature information 46275c273b16SSagi Grimberg * or data and protection are interleaved in memory. 4628e6631814SSagi Grimberg * So need construct: 4629e6631814SSagi Grimberg * ------------------ 4630e6631814SSagi Grimberg * | data_klm | 4631e6631814SSagi Grimberg * ------------------ 4632e6631814SSagi Grimberg * | BSF | 4633e6631814SSagi Grimberg * ------------------ 4634e6631814SSagi Grimberg **/ 4635e6631814SSagi Grimberg struct mlx5_klm *data_klm = *seg; 4636e6631814SSagi Grimberg 4637e6631814SSagi Grimberg data_klm->bcount = cpu_to_be32(data_len); 4638e6631814SSagi Grimberg data_klm->key = cpu_to_be32(data_key); 4639e6631814SSagi Grimberg data_klm->va = cpu_to_be64(data_va); 4640e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*data_klm), 64); 4641e6631814SSagi Grimberg } else { 4642e6631814SSagi Grimberg /** 4643e6631814SSagi Grimberg * Source domain contains signature information 4644e6631814SSagi Grimberg * So need construct a strided block format: 4645e6631814SSagi Grimberg * --------------------------- 4646e6631814SSagi Grimberg * | stride_block_ctrl | 4647e6631814SSagi Grimberg * --------------------------- 4648e6631814SSagi Grimberg * | data_klm | 4649e6631814SSagi Grimberg * --------------------------- 4650e6631814SSagi Grimberg * | prot_klm | 4651e6631814SSagi Grimberg * --------------------------- 4652e6631814SSagi Grimberg * | BSF | 4653e6631814SSagi Grimberg * --------------------------- 4654e6631814SSagi Grimberg **/ 4655e6631814SSagi Grimberg struct mlx5_stride_block_ctrl_seg *sblock_ctrl; 4656e6631814SSagi Grimberg struct mlx5_stride_block_entry *data_sentry; 4657e6631814SSagi Grimberg struct mlx5_stride_block_entry *prot_sentry; 4658e6631814SSagi Grimberg u16 block_size = sig_attrs->mem.sig.dif.pi_interval; 4659e6631814SSagi Grimberg int prot_size; 4660e6631814SSagi Grimberg 4661e6631814SSagi Grimberg sblock_ctrl = *seg; 4662e6631814SSagi Grimberg data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); 4663e6631814SSagi Grimberg prot_sentry = (void *)data_sentry + sizeof(*data_sentry); 4664e6631814SSagi Grimberg 4665e6631814SSagi Grimberg prot_size = prot_field_size(sig_attrs->mem.sig_type); 4666e6631814SSagi Grimberg if (!prot_size) { 4667e6631814SSagi Grimberg pr_err("Bad block size given: %u\n", block_size); 4668e6631814SSagi Grimberg return -EINVAL; 4669e6631814SSagi Grimberg } 4670e6631814SSagi Grimberg sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + 4671e6631814SSagi Grimberg prot_size); 4672e6631814SSagi Grimberg sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); 4673e6631814SSagi Grimberg sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); 4674e6631814SSagi Grimberg sblock_ctrl->num_entries = cpu_to_be16(2); 4675e6631814SSagi Grimberg 4676e6631814SSagi Grimberg data_sentry->bcount = cpu_to_be16(block_size); 4677e6631814SSagi Grimberg data_sentry->key = cpu_to_be32(data_key); 4678e6631814SSagi Grimberg data_sentry->va = cpu_to_be64(data_va); 46795c273b16SSagi Grimberg data_sentry->stride = cpu_to_be16(block_size); 46805c273b16SSagi Grimberg 4681e6631814SSagi Grimberg prot_sentry->bcount = cpu_to_be16(prot_size); 4682e6631814SSagi Grimberg prot_sentry->key = cpu_to_be32(prot_key); 4683e6631814SSagi Grimberg prot_sentry->va = cpu_to_be64(prot_va); 4684e6631814SSagi Grimberg prot_sentry->stride = cpu_to_be16(prot_size); 46855c273b16SSagi Grimberg 4686e6631814SSagi Grimberg wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + 4687e6631814SSagi Grimberg sizeof(*prot_sentry), 64); 4688e6631814SSagi Grimberg } 4689e6631814SSagi Grimberg 4690e6631814SSagi Grimberg *seg += wqe_size; 4691e6631814SSagi Grimberg *size += wqe_size / 16; 469234f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4693e6631814SSagi Grimberg 4694e6631814SSagi Grimberg bsf = *seg; 4695e6631814SSagi Grimberg ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); 4696e6631814SSagi Grimberg if (ret) 4697e6631814SSagi Grimberg return -EINVAL; 4698e6631814SSagi Grimberg 4699e6631814SSagi Grimberg *seg += sizeof(*bsf); 4700e6631814SSagi Grimberg *size += sizeof(*bsf) / 16; 470134f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4702e6631814SSagi Grimberg 4703e6631814SSagi Grimberg return 0; 4704e6631814SSagi Grimberg } 4705e6631814SSagi Grimberg 4706e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, 470722465bbaSMax Gurtovoy struct ib_mr *sig_mr, int access_flags, 470822465bbaSMax Gurtovoy u32 size, u32 length, u32 pdn) 4709e6631814SSagi Grimberg { 4710e6631814SSagi Grimberg u32 sig_key = sig_mr->rkey; 4711d5436ba0SSagi Grimberg u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; 4712e6631814SSagi Grimberg 4713e6631814SSagi Grimberg memset(seg, 0, sizeof(*seg)); 4714e6631814SSagi Grimberg 471522465bbaSMax Gurtovoy seg->flags = get_umr_flags(access_flags) | MLX5_MKC_ACCESS_MODE_KLMS; 4716e6631814SSagi Grimberg seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); 4717d5436ba0SSagi Grimberg seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | 4718e6631814SSagi Grimberg MLX5_MKEY_BSF_EN | pdn); 4719e6631814SSagi Grimberg seg->len = cpu_to_be64(length); 472031616255SArtemy Kovalyov seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); 4721e6631814SSagi Grimberg seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); 4722e6631814SSagi Grimberg } 4723e6631814SSagi Grimberg 4724e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, 472531616255SArtemy Kovalyov u32 size) 4726e6631814SSagi Grimberg { 4727e6631814SSagi Grimberg memset(umr, 0, sizeof(*umr)); 4728e6631814SSagi Grimberg 4729e6631814SSagi Grimberg umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; 473031616255SArtemy Kovalyov umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); 4731e6631814SSagi Grimberg umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); 4732e6631814SSagi Grimberg umr->mkey_mask = sig_mkey_mask(); 4733e6631814SSagi Grimberg } 4734e6631814SSagi Grimberg 473538ca87c6SMax Gurtovoy static int set_pi_umr_wr(const struct ib_send_wr *send_wr, 473638ca87c6SMax Gurtovoy struct mlx5_ib_qp *qp, void **seg, int *size, 473738ca87c6SMax Gurtovoy void **cur_edge) 473838ca87c6SMax Gurtovoy { 473938ca87c6SMax Gurtovoy const struct ib_reg_wr *wr = reg_wr(send_wr); 474038ca87c6SMax Gurtovoy struct mlx5_ib_mr *sig_mr = to_mmr(wr->mr); 474138ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr = sig_mr->pi_mr; 474238ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs = sig_mr->ibmr.sig_attrs; 474338ca87c6SMax Gurtovoy u32 pdn = get_pd(qp)->pdn; 474438ca87c6SMax Gurtovoy u32 xlt_size; 474538ca87c6SMax Gurtovoy int region_len, ret; 474638ca87c6SMax Gurtovoy 474738ca87c6SMax Gurtovoy if (unlikely(send_wr->num_sge != 0) || 474838ca87c6SMax Gurtovoy unlikely(wr->access & IB_ACCESS_REMOTE_ATOMIC) || 4749185eddc4SMax Gurtovoy unlikely(!sig_mr->sig) || unlikely(!qp->ibqp.integrity_en) || 475038ca87c6SMax Gurtovoy unlikely(!sig_mr->sig->sig_status_checked)) 475138ca87c6SMax Gurtovoy return -EINVAL; 475238ca87c6SMax Gurtovoy 475338ca87c6SMax Gurtovoy /* length of the protected region, data + protection */ 475438ca87c6SMax Gurtovoy region_len = pi_mr->ibmr.length; 475538ca87c6SMax Gurtovoy 475638ca87c6SMax Gurtovoy /** 475738ca87c6SMax Gurtovoy * KLM octoword size - if protection was provided 475838ca87c6SMax Gurtovoy * then we use strided block format (3 octowords), 475938ca87c6SMax Gurtovoy * else we use single KLM (1 octoword) 476038ca87c6SMax Gurtovoy **/ 476138ca87c6SMax Gurtovoy if (sig_attrs->mem.sig_type != IB_SIG_TYPE_NONE) 476238ca87c6SMax Gurtovoy xlt_size = 0x30; 476338ca87c6SMax Gurtovoy else 476438ca87c6SMax Gurtovoy xlt_size = sizeof(struct mlx5_klm); 476538ca87c6SMax Gurtovoy 476638ca87c6SMax Gurtovoy set_sig_umr_segment(*seg, xlt_size); 476738ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 476838ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 476938ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 477038ca87c6SMax Gurtovoy 477138ca87c6SMax Gurtovoy set_sig_mkey_segment(*seg, wr->mr, wr->access, xlt_size, region_len, 477238ca87c6SMax Gurtovoy pdn); 477338ca87c6SMax Gurtovoy *seg += sizeof(struct mlx5_mkey_seg); 477438ca87c6SMax Gurtovoy *size += sizeof(struct mlx5_mkey_seg) / 16; 477538ca87c6SMax Gurtovoy handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 477638ca87c6SMax Gurtovoy 477738ca87c6SMax Gurtovoy ret = set_sig_data_segment(send_wr, wr->mr, sig_attrs, qp, seg, size, 477838ca87c6SMax Gurtovoy cur_edge); 477938ca87c6SMax Gurtovoy if (ret) 478038ca87c6SMax Gurtovoy return ret; 478138ca87c6SMax Gurtovoy 478238ca87c6SMax Gurtovoy sig_mr->sig->sig_status_checked = false; 478338ca87c6SMax Gurtovoy return 0; 478438ca87c6SMax Gurtovoy } 4785e6631814SSagi Grimberg 4786e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain, 4787e6631814SSagi Grimberg u32 psv_idx, void **seg, int *size) 4788e6631814SSagi Grimberg { 4789e6631814SSagi Grimberg struct mlx5_seg_set_psv *psv_seg = *seg; 4790e6631814SSagi Grimberg 4791e6631814SSagi Grimberg memset(psv_seg, 0, sizeof(*psv_seg)); 4792e6631814SSagi Grimberg psv_seg->psv_num = cpu_to_be32(psv_idx); 4793e6631814SSagi Grimberg switch (domain->sig_type) { 479478eda2bbSSagi Grimberg case IB_SIG_TYPE_NONE: 479578eda2bbSSagi Grimberg break; 4796e6631814SSagi Grimberg case IB_SIG_TYPE_T10_DIF: 4797e6631814SSagi Grimberg psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | 4798e6631814SSagi Grimberg domain->sig.dif.app_tag); 4799e6631814SSagi Grimberg psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); 4800e6631814SSagi Grimberg break; 4801e6631814SSagi Grimberg default: 480212bbf1eaSLeon Romanovsky pr_err("Bad signature type (%d) is given.\n", 480312bbf1eaSLeon Romanovsky domain->sig_type); 480412bbf1eaSLeon Romanovsky return -EINVAL; 4805e6631814SSagi Grimberg } 4806e6631814SSagi Grimberg 480778eda2bbSSagi Grimberg *seg += sizeof(*psv_seg); 480878eda2bbSSagi Grimberg *size += sizeof(*psv_seg) / 16; 480978eda2bbSSagi Grimberg 4810e6631814SSagi Grimberg return 0; 4811e6631814SSagi Grimberg } 4812e6631814SSagi Grimberg 48138a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp, 4814f696bf6dSBart Van Assche const struct ib_reg_wr *wr, 48159ac7c4bcSMax Gurtovoy void **seg, int *size, void **cur_edge, 48169ac7c4bcSMax Gurtovoy bool check_not_free) 48178a187ee5SSagi Grimberg { 48188a187ee5SSagi Grimberg struct mlx5_ib_mr *mr = to_mmr(wr->mr); 48198a187ee5SSagi Grimberg struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); 4820841b07f9SMoni Shoua struct mlx5_ib_dev *dev = to_mdev(pd->ibpd.device); 482138ca87c6SMax Gurtovoy int mr_list_size = (mr->ndescs + mr->meta_ndescs) * mr->desc_size; 4822064e5262SIdan Burstein bool umr_inline = mr_list_size <= MLX5_IB_SQ_UMR_INLINE_THRESHOLD; 4823841b07f9SMoni Shoua bool atomic = wr->access & IB_ACCESS_REMOTE_ATOMIC; 48249ac7c4bcSMax Gurtovoy u8 flags = 0; 48258a187ee5SSagi Grimberg 4826d6de0bb1SMichael Guralnik if (!mlx5_ib_can_use_umr(dev, atomic, wr->access)) { 4827841b07f9SMoni Shoua mlx5_ib_warn(to_mdev(qp->ibqp.device), 4828841b07f9SMoni Shoua "Fast update of %s for MR is disabled\n", 4829841b07f9SMoni Shoua (MLX5_CAP_GEN(dev->mdev, 4830841b07f9SMoni Shoua umr_modify_entity_size_disabled)) ? 4831841b07f9SMoni Shoua "entity size" : 4832841b07f9SMoni Shoua "atomic access"); 4833841b07f9SMoni Shoua return -EINVAL; 4834841b07f9SMoni Shoua } 4835841b07f9SMoni Shoua 48368a187ee5SSagi Grimberg if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { 48378a187ee5SSagi Grimberg mlx5_ib_warn(to_mdev(qp->ibqp.device), 48388a187ee5SSagi Grimberg "Invalid IB_SEND_INLINE send flag\n"); 48398a187ee5SSagi Grimberg return -EINVAL; 48408a187ee5SSagi Grimberg } 48418a187ee5SSagi Grimberg 48429ac7c4bcSMax Gurtovoy if (check_not_free) 48439ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_CHECK_NOT_FREE; 48449ac7c4bcSMax Gurtovoy if (umr_inline) 48459ac7c4bcSMax Gurtovoy flags |= MLX5_UMR_INLINE; 48469ac7c4bcSMax Gurtovoy 4847841b07f9SMoni Shoua set_reg_umr_seg(*seg, mr, flags, atomic); 48488a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 48498a187ee5SSagi Grimberg *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 485034f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 48518a187ee5SSagi Grimberg 48528a187ee5SSagi Grimberg set_reg_mkey_seg(*seg, mr, wr->key, wr->access); 48538a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_mkey_seg); 48548a187ee5SSagi Grimberg *size += sizeof(struct mlx5_mkey_seg) / 16; 485534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 48568a187ee5SSagi Grimberg 4857064e5262SIdan Burstein if (umr_inline) { 485834f4c955SGuy Levi memcpy_send_wqe(&qp->sq, cur_edge, seg, size, mr->descs, 485934f4c955SGuy Levi mr_list_size); 486034f4c955SGuy Levi *size = ALIGN(*size, MLX5_SEND_WQE_BB >> 4); 4861064e5262SIdan Burstein } else { 48628a187ee5SSagi Grimberg set_reg_data_seg(*seg, mr, pd); 48638a187ee5SSagi Grimberg *seg += sizeof(struct mlx5_wqe_data_seg); 48648a187ee5SSagi Grimberg *size += (sizeof(struct mlx5_wqe_data_seg) / 16); 4865064e5262SIdan Burstein } 48668a187ee5SSagi Grimberg return 0; 48678a187ee5SSagi Grimberg } 48688a187ee5SSagi Grimberg 486934f4c955SGuy Levi static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size, 487034f4c955SGuy Levi void **cur_edge) 4871e126ba97SEli Cohen { 4872dd01e66aSSagi Grimberg set_linv_umr_seg(*seg); 4873e126ba97SEli Cohen *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 4874e126ba97SEli Cohen *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 487534f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4876dd01e66aSSagi Grimberg set_linv_mkey_seg(*seg); 4877e126ba97SEli Cohen *seg += sizeof(struct mlx5_mkey_seg); 4878e126ba97SEli Cohen *size += sizeof(struct mlx5_mkey_seg) / 16; 487934f4c955SGuy Levi handle_post_send_edge(&qp->sq, seg, *size, cur_edge); 4880e126ba97SEli Cohen } 4881e126ba97SEli Cohen 488234f4c955SGuy Levi static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16) 4883e126ba97SEli Cohen { 4884e126ba97SEli Cohen __be32 *p = NULL; 4885e126ba97SEli Cohen int i, j; 4886e126ba97SEli Cohen 488734f4c955SGuy Levi pr_debug("dump WQE index %u:\n", idx); 4888e126ba97SEli Cohen for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { 4889e126ba97SEli Cohen if ((i & 0xf) == 0) { 48901e5887b7SArtemy Kovalyov p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx); 489134f4c955SGuy Levi pr_debug("WQBB at %p:\n", (void *)p); 4892e126ba97SEli Cohen j = 0; 48931e5887b7SArtemy Kovalyov idx = (idx + 1) & (qp->sq.wqe_cnt - 1); 4894e126ba97SEli Cohen } 4895e126ba97SEli Cohen pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), 4896e126ba97SEli Cohen be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), 4897e126ba97SEli Cohen be32_to_cpu(p[j + 3])); 4898e126ba97SEli Cohen } 4899e126ba97SEli Cohen } 4900e126ba97SEli Cohen 49017bb1fafcSBart Van Assche static int __begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49026e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg **ctrl, 490334f4c955SGuy Levi const struct ib_send_wr *wr, unsigned int *idx, 490434f4c955SGuy Levi int *size, void **cur_edge, int nreq, 490534f4c955SGuy Levi bool send_signaled, bool solicited) 49066e5eadacSSagi Grimberg { 4907b2a232d2SLeon Romanovsky if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) 4908b2a232d2SLeon Romanovsky return -ENOMEM; 49096e5eadacSSagi Grimberg 49106e5eadacSSagi Grimberg *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); 491134f4c955SGuy Levi *seg = mlx5_frag_buf_get_wqe(&qp->sq.fbc, *idx); 49126e5eadacSSagi Grimberg *ctrl = *seg; 49136e5eadacSSagi Grimberg *(uint32_t *)(*seg + 8) = 0; 49146e5eadacSSagi Grimberg (*ctrl)->imm = send_ieth(wr); 49156e5eadacSSagi Grimberg (*ctrl)->fm_ce_se = qp->sq_signal_bits | 49167bb1fafcSBart Van Assche (send_signaled ? MLX5_WQE_CTRL_CQ_UPDATE : 0) | 49177bb1fafcSBart Van Assche (solicited ? MLX5_WQE_CTRL_SOLICITED : 0); 49186e5eadacSSagi Grimberg 49196e5eadacSSagi Grimberg *seg += sizeof(**ctrl); 49206e5eadacSSagi Grimberg *size = sizeof(**ctrl) / 16; 492134f4c955SGuy Levi *cur_edge = qp->sq.cur_edge; 49226e5eadacSSagi Grimberg 4923b2a232d2SLeon Romanovsky return 0; 49246e5eadacSSagi Grimberg } 49256e5eadacSSagi Grimberg 49267bb1fafcSBart Van Assche static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, 49277bb1fafcSBart Van Assche struct mlx5_wqe_ctrl_seg **ctrl, 49287bb1fafcSBart Van Assche const struct ib_send_wr *wr, unsigned *idx, 492934f4c955SGuy Levi int *size, void **cur_edge, int nreq) 49307bb1fafcSBart Van Assche { 493134f4c955SGuy Levi return __begin_wqe(qp, seg, ctrl, wr, idx, size, cur_edge, nreq, 49327bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SIGNALED, 49337bb1fafcSBart Van Assche wr->send_flags & IB_SEND_SOLICITED); 49347bb1fafcSBart Van Assche } 49357bb1fafcSBart Van Assche 49366e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp, 49376e5eadacSSagi Grimberg struct mlx5_wqe_ctrl_seg *ctrl, 493834f4c955SGuy Levi void *seg, u8 size, void *cur_edge, 493934f4c955SGuy Levi unsigned int idx, u64 wr_id, int nreq, u8 fence, 494034f4c955SGuy Levi u32 mlx5_opcode) 49416e5eadacSSagi Grimberg { 49426e5eadacSSagi Grimberg u8 opmod = 0; 49436e5eadacSSagi Grimberg 49446e5eadacSSagi Grimberg ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | 49456e5eadacSSagi Grimberg mlx5_opcode | ((u32)opmod << 24)); 494619098df2Smajd@mellanox.com ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); 49476e5eadacSSagi Grimberg ctrl->fm_ce_se |= fence; 49486e5eadacSSagi Grimberg if (unlikely(qp->wq_sig)) 49496e5eadacSSagi Grimberg ctrl->signature = wq_sig(ctrl); 49506e5eadacSSagi Grimberg 49516e5eadacSSagi Grimberg qp->sq.wrid[idx] = wr_id; 49526e5eadacSSagi Grimberg qp->sq.w_list[idx].opcode = mlx5_opcode; 49536e5eadacSSagi Grimberg qp->sq.wqe_head[idx] = qp->sq.head + nreq; 49546e5eadacSSagi Grimberg qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); 49556e5eadacSSagi Grimberg qp->sq.w_list[idx].next = qp->sq.cur_post; 495634f4c955SGuy Levi 495734f4c955SGuy Levi /* We save the edge which was possibly updated during the WQE 495834f4c955SGuy Levi * construction, into SQ's cache. 495934f4c955SGuy Levi */ 496034f4c955SGuy Levi seg = PTR_ALIGN(seg, MLX5_SEND_WQE_BB); 496134f4c955SGuy Levi qp->sq.cur_edge = (unlikely(seg == cur_edge)) ? 496234f4c955SGuy Levi get_sq_edge(&qp->sq, qp->sq.cur_post & 496334f4c955SGuy Levi (qp->sq.wqe_cnt - 1)) : 496434f4c955SGuy Levi cur_edge; 49656e5eadacSSagi Grimberg } 49666e5eadacSSagi Grimberg 4967d34ac5cdSBart Van Assche static int _mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 4968d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr, bool drain) 4969e126ba97SEli Cohen { 4970e126ba97SEli Cohen struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ 4971e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 497289ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 497338ca87c6SMax Gurtovoy struct ib_reg_wr reg_pi_wr; 4974d16e91daSHaggai Eran struct mlx5_ib_qp *qp; 4975e6631814SSagi Grimberg struct mlx5_ib_mr *mr; 497638ca87c6SMax Gurtovoy struct mlx5_ib_mr *pi_mr; 49772563e2f3SMax Gurtovoy struct mlx5_ib_mr pa_pi_mr; 497838ca87c6SMax Gurtovoy struct ib_sig_attrs *sig_attrs; 4979e126ba97SEli Cohen struct mlx5_wqe_xrc_seg *xrc; 4980d16e91daSHaggai Eran struct mlx5_bf *bf; 498134f4c955SGuy Levi void *cur_edge; 4982e126ba97SEli Cohen int uninitialized_var(size); 4983e126ba97SEli Cohen unsigned long flags; 4984e126ba97SEli Cohen unsigned idx; 4985e126ba97SEli Cohen int err = 0; 4986e126ba97SEli Cohen int num_sge; 4987e126ba97SEli Cohen void *seg; 4988e126ba97SEli Cohen int nreq; 4989e126ba97SEli Cohen int i; 4990e126ba97SEli Cohen u8 next_fence = 0; 4991e126ba97SEli Cohen u8 fence; 4992e126ba97SEli Cohen 49936c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 49946c75520fSParav Pandit !drain)) { 49956c75520fSParav Pandit *bad_wr = wr; 49966c75520fSParav Pandit return -EIO; 49976c75520fSParav Pandit } 49986c75520fSParav Pandit 4999d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5000d16e91daSHaggai Eran return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); 5001d16e91daSHaggai Eran 5002d16e91daSHaggai Eran qp = to_mqp(ibqp); 50035fe9dec0SEli Cohen bf = &qp->bf; 5004d16e91daSHaggai Eran 5005e126ba97SEli Cohen spin_lock_irqsave(&qp->sq.lock, flags); 5006e126ba97SEli Cohen 5007e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5008a8f731ebSFabian Frederick if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { 5009e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5010e126ba97SEli Cohen err = -EINVAL; 5011e126ba97SEli Cohen *bad_wr = wr; 5012e126ba97SEli Cohen goto out; 5013e126ba97SEli Cohen } 5014e126ba97SEli Cohen 5015e126ba97SEli Cohen num_sge = wr->num_sge; 5016e126ba97SEli Cohen if (unlikely(num_sge > qp->sq.max_gs)) { 5017e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 501824be409bSChuck Lever err = -EINVAL; 5019e126ba97SEli Cohen *bad_wr = wr; 5020e126ba97SEli Cohen goto out; 5021e126ba97SEli Cohen } 5022e126ba97SEli Cohen 502334f4c955SGuy Levi err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, &cur_edge, 502434f4c955SGuy Levi nreq); 50256e5eadacSSagi Grimberg if (err) { 50266e5eadacSSagi Grimberg mlx5_ib_warn(dev, "\n"); 50276e5eadacSSagi Grimberg err = -ENOMEM; 50286e5eadacSSagi Grimberg *bad_wr = wr; 50296e5eadacSSagi Grimberg goto out; 50306e5eadacSSagi Grimberg } 5031e126ba97SEli Cohen 503238ca87c6SMax Gurtovoy if (wr->opcode == IB_WR_REG_MR || 503338ca87c6SMax Gurtovoy wr->opcode == IB_WR_REG_MR_INTEGRITY) { 50346e8484c5SMax Gurtovoy fence = dev->umr_fence; 50356e8484c5SMax Gurtovoy next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; 5036074fca3aSMajd Dibbiny } else { 5037074fca3aSMajd Dibbiny if (wr->send_flags & IB_SEND_FENCE) { 50386e8484c5SMax Gurtovoy if (qp->next_fence) 50396e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; 50406e8484c5SMax Gurtovoy else 50416e8484c5SMax Gurtovoy fence = MLX5_FENCE_MODE_FENCE; 50426e8484c5SMax Gurtovoy } else { 50436e8484c5SMax Gurtovoy fence = qp->next_fence; 50446e8484c5SMax Gurtovoy } 5045074fca3aSMajd Dibbiny } 50466e8484c5SMax Gurtovoy 5047e126ba97SEli Cohen switch (ibqp->qp_type) { 5048e126ba97SEli Cohen case IB_QPT_XRC_INI: 5049e126ba97SEli Cohen xrc = seg; 5050e126ba97SEli Cohen seg += sizeof(*xrc); 5051e126ba97SEli Cohen size += sizeof(*xrc) / 16; 5052e126ba97SEli Cohen /* fall through */ 5053e126ba97SEli Cohen case IB_QPT_RC: 5054e126ba97SEli Cohen switch (wr->opcode) { 5055e126ba97SEli Cohen case IB_WR_RDMA_READ: 5056e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5057e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5058e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5059e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5060e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5061e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5062e126ba97SEli Cohen break; 5063e126ba97SEli Cohen 5064e126ba97SEli Cohen case IB_WR_ATOMIC_CMP_AND_SWP: 5065e126ba97SEli Cohen case IB_WR_ATOMIC_FETCH_AND_ADD: 5066e126ba97SEli Cohen case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: 506781bea28fSEli Cohen mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); 506881bea28fSEli Cohen err = -ENOSYS; 506981bea28fSEli Cohen *bad_wr = wr; 507081bea28fSEli Cohen goto out; 5071e126ba97SEli Cohen 5072e126ba97SEli Cohen case IB_WR_LOCAL_INV: 5073e126ba97SEli Cohen qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; 5074e126ba97SEli Cohen ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); 507534f4c955SGuy Levi set_linv_wr(qp, &seg, &size, &cur_edge); 5076e126ba97SEli Cohen num_sge = 0; 5077e126ba97SEli Cohen break; 5078e126ba97SEli Cohen 50798a187ee5SSagi Grimberg case IB_WR_REG_MR: 50808a187ee5SSagi Grimberg qp->sq.wr_data[idx] = IB_WR_REG_MR; 50818a187ee5SSagi Grimberg ctrl->imm = cpu_to_be32(reg_wr(wr)->key); 508234f4c955SGuy Levi err = set_reg_wr(qp, reg_wr(wr), &seg, &size, 50839ac7c4bcSMax Gurtovoy &cur_edge, true); 50848a187ee5SSagi Grimberg if (err) { 50858a187ee5SSagi Grimberg *bad_wr = wr; 50868a187ee5SSagi Grimberg goto out; 50878a187ee5SSagi Grimberg } 50888a187ee5SSagi Grimberg num_sge = 0; 50898a187ee5SSagi Grimberg break; 50908a187ee5SSagi Grimberg 509138ca87c6SMax Gurtovoy case IB_WR_REG_MR_INTEGRITY: 50922563e2f3SMax Gurtovoy qp->sq.wr_data[idx] = IB_WR_REG_MR_INTEGRITY; 509338ca87c6SMax Gurtovoy 509438ca87c6SMax Gurtovoy mr = to_mmr(reg_wr(wr)->mr); 509538ca87c6SMax Gurtovoy pi_mr = mr->pi_mr; 509638ca87c6SMax Gurtovoy 50972563e2f3SMax Gurtovoy if (pi_mr) { 50982563e2f3SMax Gurtovoy memset(®_pi_wr, 0, 50992563e2f3SMax Gurtovoy sizeof(struct ib_reg_wr)); 51002563e2f3SMax Gurtovoy 510138ca87c6SMax Gurtovoy reg_pi_wr.mr = &pi_mr->ibmr; 510238ca87c6SMax Gurtovoy reg_pi_wr.access = reg_wr(wr)->access; 510338ca87c6SMax Gurtovoy reg_pi_wr.key = pi_mr->ibmr.rkey; 510438ca87c6SMax Gurtovoy 510538ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(reg_pi_wr.key); 51062563e2f3SMax Gurtovoy /* UMR for data + prot registration */ 51072563e2f3SMax Gurtovoy err = set_reg_wr(qp, ®_pi_wr, &seg, 51082563e2f3SMax Gurtovoy &size, &cur_edge, 51092563e2f3SMax Gurtovoy false); 511038ca87c6SMax Gurtovoy if (err) { 511138ca87c6SMax Gurtovoy *bad_wr = wr; 511238ca87c6SMax Gurtovoy goto out; 511338ca87c6SMax Gurtovoy } 51142563e2f3SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, 51152563e2f3SMax Gurtovoy cur_edge, idx, wr->wr_id, 51162563e2f3SMax Gurtovoy nreq, fence, 511738ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 511838ca87c6SMax Gurtovoy 51192563e2f3SMax Gurtovoy err = begin_wqe(qp, &seg, &ctrl, wr, 51202563e2f3SMax Gurtovoy &idx, &size, &cur_edge, 51212563e2f3SMax Gurtovoy nreq); 512238ca87c6SMax Gurtovoy if (err) { 512338ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 512438ca87c6SMax Gurtovoy err = -ENOMEM; 512538ca87c6SMax Gurtovoy *bad_wr = wr; 512638ca87c6SMax Gurtovoy goto out; 512738ca87c6SMax Gurtovoy } 51282563e2f3SMax Gurtovoy } else { 51292563e2f3SMax Gurtovoy memset(&pa_pi_mr, 0, 51302563e2f3SMax Gurtovoy sizeof(struct mlx5_ib_mr)); 51312563e2f3SMax Gurtovoy /* No UMR, use local_dma_lkey */ 51322563e2f3SMax Gurtovoy pa_pi_mr.ibmr.lkey = 51332563e2f3SMax Gurtovoy mr->ibmr.pd->local_dma_lkey; 51342563e2f3SMax Gurtovoy 51352563e2f3SMax Gurtovoy pa_pi_mr.ndescs = mr->ndescs; 51362563e2f3SMax Gurtovoy pa_pi_mr.data_length = mr->data_length; 51372563e2f3SMax Gurtovoy pa_pi_mr.data_iova = mr->data_iova; 51382563e2f3SMax Gurtovoy if (mr->meta_ndescs) { 51392563e2f3SMax Gurtovoy pa_pi_mr.meta_ndescs = 51402563e2f3SMax Gurtovoy mr->meta_ndescs; 51412563e2f3SMax Gurtovoy pa_pi_mr.meta_length = 51422563e2f3SMax Gurtovoy mr->meta_length; 51432563e2f3SMax Gurtovoy pa_pi_mr.pi_iova = mr->pi_iova; 51442563e2f3SMax Gurtovoy } 51452563e2f3SMax Gurtovoy 51462563e2f3SMax Gurtovoy pa_pi_mr.ibmr.length = mr->ibmr.length; 51472563e2f3SMax Gurtovoy mr->pi_mr = &pa_pi_mr; 51482563e2f3SMax Gurtovoy } 514938ca87c6SMax Gurtovoy ctrl->imm = cpu_to_be32(mr->ibmr.rkey); 515038ca87c6SMax Gurtovoy /* UMR for sig MR */ 515138ca87c6SMax Gurtovoy err = set_pi_umr_wr(wr, qp, &seg, &size, 515238ca87c6SMax Gurtovoy &cur_edge); 515338ca87c6SMax Gurtovoy if (err) { 515438ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 515538ca87c6SMax Gurtovoy *bad_wr = wr; 515638ca87c6SMax Gurtovoy goto out; 515738ca87c6SMax Gurtovoy } 515838ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 515938ca87c6SMax Gurtovoy wr->wr_id, nreq, fence, 516038ca87c6SMax Gurtovoy MLX5_OPCODE_UMR); 516138ca87c6SMax Gurtovoy 516238ca87c6SMax Gurtovoy /* 516338ca87c6SMax Gurtovoy * SET_PSV WQEs are not signaled and solicited 516438ca87c6SMax Gurtovoy * on error 516538ca87c6SMax Gurtovoy */ 516638ca87c6SMax Gurtovoy sig_attrs = mr->ibmr.sig_attrs; 516738ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 516838ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 516938ca87c6SMax Gurtovoy true); 517038ca87c6SMax Gurtovoy if (err) { 517138ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 517238ca87c6SMax Gurtovoy err = -ENOMEM; 517338ca87c6SMax Gurtovoy *bad_wr = wr; 517438ca87c6SMax Gurtovoy goto out; 517538ca87c6SMax Gurtovoy } 517638ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->mem, 517738ca87c6SMax Gurtovoy mr->sig->psv_memory.psv_idx, 517838ca87c6SMax Gurtovoy &seg, &size); 517938ca87c6SMax Gurtovoy if (err) { 518038ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 518138ca87c6SMax Gurtovoy *bad_wr = wr; 518238ca87c6SMax Gurtovoy goto out; 518338ca87c6SMax Gurtovoy } 518438ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 518538ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 518638ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 518738ca87c6SMax Gurtovoy 518838ca87c6SMax Gurtovoy err = __begin_wqe(qp, &seg, &ctrl, wr, &idx, 518938ca87c6SMax Gurtovoy &size, &cur_edge, nreq, false, 519038ca87c6SMax Gurtovoy true); 519138ca87c6SMax Gurtovoy if (err) { 519238ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 519338ca87c6SMax Gurtovoy err = -ENOMEM; 519438ca87c6SMax Gurtovoy *bad_wr = wr; 519538ca87c6SMax Gurtovoy goto out; 519638ca87c6SMax Gurtovoy } 519738ca87c6SMax Gurtovoy err = set_psv_wr(&sig_attrs->wire, 519838ca87c6SMax Gurtovoy mr->sig->psv_wire.psv_idx, 519938ca87c6SMax Gurtovoy &seg, &size); 520038ca87c6SMax Gurtovoy if (err) { 520138ca87c6SMax Gurtovoy mlx5_ib_warn(dev, "\n"); 520238ca87c6SMax Gurtovoy *bad_wr = wr; 520338ca87c6SMax Gurtovoy goto out; 520438ca87c6SMax Gurtovoy } 520538ca87c6SMax Gurtovoy finish_wqe(qp, ctrl, seg, size, cur_edge, idx, 520638ca87c6SMax Gurtovoy wr->wr_id, nreq, next_fence, 520738ca87c6SMax Gurtovoy MLX5_OPCODE_SET_PSV); 520838ca87c6SMax Gurtovoy 520938ca87c6SMax Gurtovoy qp->next_fence = 521038ca87c6SMax Gurtovoy MLX5_FENCE_MODE_INITIATOR_SMALL; 521138ca87c6SMax Gurtovoy num_sge = 0; 521238ca87c6SMax Gurtovoy goto skip_psv; 521338ca87c6SMax Gurtovoy 5214e126ba97SEli Cohen default: 5215e126ba97SEli Cohen break; 5216e126ba97SEli Cohen } 5217e126ba97SEli Cohen break; 5218e126ba97SEli Cohen 5219e126ba97SEli Cohen case IB_QPT_UC: 5220e126ba97SEli Cohen switch (wr->opcode) { 5221e126ba97SEli Cohen case IB_WR_RDMA_WRITE: 5222e126ba97SEli Cohen case IB_WR_RDMA_WRITE_WITH_IMM: 5223e622f2f4SChristoph Hellwig set_raddr_seg(seg, rdma_wr(wr)->remote_addr, 5224e622f2f4SChristoph Hellwig rdma_wr(wr)->rkey); 5225e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_raddr_seg); 5226e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_raddr_seg) / 16; 5227e126ba97SEli Cohen break; 5228e126ba97SEli Cohen 5229e126ba97SEli Cohen default: 5230e126ba97SEli Cohen break; 5231e126ba97SEli Cohen } 5232e126ba97SEli Cohen break; 5233e126ba97SEli Cohen 5234e126ba97SEli Cohen case IB_QPT_SMI: 52351e0e50b6SMaor Gottlieb if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { 52361e0e50b6SMaor Gottlieb mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); 52371e0e50b6SMaor Gottlieb err = -EPERM; 52381e0e50b6SMaor Gottlieb *bad_wr = wr; 52391e0e50b6SMaor Gottlieb goto out; 52401e0e50b6SMaor Gottlieb } 5241f6b1ee34SBart Van Assche /* fall through */ 5242d16e91daSHaggai Eran case MLX5_IB_QPT_HW_GSI: 5243e126ba97SEli Cohen set_datagram_seg(seg, wr); 5244e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_datagram_seg); 5245e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 524634f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 524734f4c955SGuy Levi 5248e126ba97SEli Cohen break; 5249f0313965SErez Shitrit case IB_QPT_UD: 5250f0313965SErez Shitrit set_datagram_seg(seg, wr); 5251f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_datagram_seg); 5252f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_datagram_seg) / 16; 525334f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5254f0313965SErez Shitrit 5255f0313965SErez Shitrit /* handle qp that supports ud offload */ 5256f0313965SErez Shitrit if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { 5257f0313965SErez Shitrit struct mlx5_wqe_eth_pad *pad; 5258f0313965SErez Shitrit 5259f0313965SErez Shitrit pad = seg; 5260f0313965SErez Shitrit memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); 5261f0313965SErez Shitrit seg += sizeof(struct mlx5_wqe_eth_pad); 5262f0313965SErez Shitrit size += sizeof(struct mlx5_wqe_eth_pad) / 16; 526334f4c955SGuy Levi set_eth_seg(wr, qp, &seg, &size, &cur_edge); 526434f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 526534f4c955SGuy Levi &cur_edge); 5266f0313965SErez Shitrit } 5267f0313965SErez Shitrit break; 5268e126ba97SEli Cohen case MLX5_IB_QPT_REG_UMR: 5269e126ba97SEli Cohen if (wr->opcode != MLX5_IB_WR_UMR) { 5270e126ba97SEli Cohen err = -EINVAL; 5271e126ba97SEli Cohen mlx5_ib_warn(dev, "bad opcode\n"); 5272e126ba97SEli Cohen goto out; 5273e126ba97SEli Cohen } 5274e126ba97SEli Cohen qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; 5275e622f2f4SChristoph Hellwig ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); 5276c8d75a98SMajd Dibbiny err = set_reg_umr_segment(dev, seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); 5277c8d75a98SMajd Dibbiny if (unlikely(err)) 5278c8d75a98SMajd Dibbiny goto out; 5279e126ba97SEli Cohen seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); 5280e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; 528134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5282e126ba97SEli Cohen set_reg_mkey_segment(seg, wr); 5283e126ba97SEli Cohen seg += sizeof(struct mlx5_mkey_seg); 5284e126ba97SEli Cohen size += sizeof(struct mlx5_mkey_seg) / 16; 528534f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, &cur_edge); 5286e126ba97SEli Cohen break; 5287e126ba97SEli Cohen 5288e126ba97SEli Cohen default: 5289e126ba97SEli Cohen break; 5290e126ba97SEli Cohen } 5291e126ba97SEli Cohen 5292e126ba97SEli Cohen if (wr->send_flags & IB_SEND_INLINE && num_sge) { 529334f4c955SGuy Levi err = set_data_inl_seg(qp, wr, &seg, &size, &cur_edge); 5294e126ba97SEli Cohen if (unlikely(err)) { 5295e126ba97SEli Cohen mlx5_ib_warn(dev, "\n"); 5296e126ba97SEli Cohen *bad_wr = wr; 5297e126ba97SEli Cohen goto out; 5298e126ba97SEli Cohen } 5299e126ba97SEli Cohen } else { 5300e126ba97SEli Cohen for (i = 0; i < num_sge; i++) { 530134f4c955SGuy Levi handle_post_send_edge(&qp->sq, &seg, size, 530234f4c955SGuy Levi &cur_edge); 5303e126ba97SEli Cohen if (likely(wr->sg_list[i].length)) { 530434f4c955SGuy Levi set_data_ptr_seg 530534f4c955SGuy Levi ((struct mlx5_wqe_data_seg *)seg, 530634f4c955SGuy Levi wr->sg_list + i); 5307e126ba97SEli Cohen size += sizeof(struct mlx5_wqe_data_seg) / 16; 530834f4c955SGuy Levi seg += sizeof(struct mlx5_wqe_data_seg); 5309e126ba97SEli Cohen } 5310e126ba97SEli Cohen } 5311e126ba97SEli Cohen } 5312e126ba97SEli Cohen 53136e8484c5SMax Gurtovoy qp->next_fence = next_fence; 531434f4c955SGuy Levi finish_wqe(qp, ctrl, seg, size, cur_edge, idx, wr->wr_id, nreq, 531534f4c955SGuy Levi fence, mlx5_ib_opcode[wr->opcode]); 5316e6631814SSagi Grimberg skip_psv: 5317e126ba97SEli Cohen if (0) 5318e126ba97SEli Cohen dump_wqe(qp, idx, size); 5319e126ba97SEli Cohen } 5320e126ba97SEli Cohen 5321e126ba97SEli Cohen out: 5322e126ba97SEli Cohen if (likely(nreq)) { 5323e126ba97SEli Cohen qp->sq.head += nreq; 5324e126ba97SEli Cohen 5325e126ba97SEli Cohen /* Make sure that descriptors are written before 5326e126ba97SEli Cohen * updating doorbell record and ringing the doorbell 5327e126ba97SEli Cohen */ 5328e126ba97SEli Cohen wmb(); 5329e126ba97SEli Cohen 5330e126ba97SEli Cohen qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); 5331e126ba97SEli Cohen 5332ada388f7SEli Cohen /* Make sure doorbell record is visible to the HCA before 5333ada388f7SEli Cohen * we hit doorbell */ 5334ada388f7SEli Cohen wmb(); 5335ada388f7SEli Cohen 5336bbf29f61SMaxim Mikityanskiy mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset); 5337e126ba97SEli Cohen /* Make sure doorbells don't leak out of SQ spinlock 5338e126ba97SEli Cohen * and reach the HCA out of order. 5339e126ba97SEli Cohen */ 5340e126ba97SEli Cohen bf->offset ^= bf->buf_size; 5341e126ba97SEli Cohen } 5342e126ba97SEli Cohen 5343e126ba97SEli Cohen spin_unlock_irqrestore(&qp->sq.lock, flags); 5344e126ba97SEli Cohen 5345e126ba97SEli Cohen return err; 5346e126ba97SEli Cohen } 5347e126ba97SEli Cohen 5348d34ac5cdSBart Van Assche int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 5349d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr) 5350d0e84c0aSYishai Hadas { 5351d0e84c0aSYishai Hadas return _mlx5_ib_post_send(ibqp, wr, bad_wr, false); 5352d0e84c0aSYishai Hadas } 5353d0e84c0aSYishai Hadas 5354e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) 5355e126ba97SEli Cohen { 5356e126ba97SEli Cohen sig->signature = calc_sig(sig, size); 5357e126ba97SEli Cohen } 5358e126ba97SEli Cohen 5359d34ac5cdSBart Van Assche static int _mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5360d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr, bool drain) 5361e126ba97SEli Cohen { 5362e126ba97SEli Cohen struct mlx5_ib_qp *qp = to_mqp(ibqp); 5363e126ba97SEli Cohen struct mlx5_wqe_data_seg *scat; 5364e126ba97SEli Cohen struct mlx5_rwqe_sig *sig; 536589ea94a7SMaor Gottlieb struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 536689ea94a7SMaor Gottlieb struct mlx5_core_dev *mdev = dev->mdev; 5367e126ba97SEli Cohen unsigned long flags; 5368e126ba97SEli Cohen int err = 0; 5369e126ba97SEli Cohen int nreq; 5370e126ba97SEli Cohen int ind; 5371e126ba97SEli Cohen int i; 5372e126ba97SEli Cohen 53736c75520fSParav Pandit if (unlikely(mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR && 53746c75520fSParav Pandit !drain)) { 53756c75520fSParav Pandit *bad_wr = wr; 53766c75520fSParav Pandit return -EIO; 53776c75520fSParav Pandit } 53786c75520fSParav Pandit 5379d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5380d16e91daSHaggai Eran return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); 5381d16e91daSHaggai Eran 5382e126ba97SEli Cohen spin_lock_irqsave(&qp->rq.lock, flags); 5383e126ba97SEli Cohen 5384e126ba97SEli Cohen ind = qp->rq.head & (qp->rq.wqe_cnt - 1); 5385e126ba97SEli Cohen 5386e126ba97SEli Cohen for (nreq = 0; wr; nreq++, wr = wr->next) { 5387e126ba97SEli Cohen if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 5388e126ba97SEli Cohen err = -ENOMEM; 5389e126ba97SEli Cohen *bad_wr = wr; 5390e126ba97SEli Cohen goto out; 5391e126ba97SEli Cohen } 5392e126ba97SEli Cohen 5393e126ba97SEli Cohen if (unlikely(wr->num_sge > qp->rq.max_gs)) { 5394e126ba97SEli Cohen err = -EINVAL; 5395e126ba97SEli Cohen *bad_wr = wr; 5396e126ba97SEli Cohen goto out; 5397e126ba97SEli Cohen } 5398e126ba97SEli Cohen 539934f4c955SGuy Levi scat = mlx5_frag_buf_get_wqe(&qp->rq.fbc, ind); 5400e126ba97SEli Cohen if (qp->wq_sig) 5401e126ba97SEli Cohen scat++; 5402e126ba97SEli Cohen 5403e126ba97SEli Cohen for (i = 0; i < wr->num_sge; i++) 5404e126ba97SEli Cohen set_data_ptr_seg(scat + i, wr->sg_list + i); 5405e126ba97SEli Cohen 5406e126ba97SEli Cohen if (i < qp->rq.max_gs) { 5407e126ba97SEli Cohen scat[i].byte_count = 0; 5408e126ba97SEli Cohen scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); 5409e126ba97SEli Cohen scat[i].addr = 0; 5410e126ba97SEli Cohen } 5411e126ba97SEli Cohen 5412e126ba97SEli Cohen if (qp->wq_sig) { 5413e126ba97SEli Cohen sig = (struct mlx5_rwqe_sig *)scat; 5414e126ba97SEli Cohen set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); 5415e126ba97SEli Cohen } 5416e126ba97SEli Cohen 5417e126ba97SEli Cohen qp->rq.wrid[ind] = wr->wr_id; 5418e126ba97SEli Cohen 5419e126ba97SEli Cohen ind = (ind + 1) & (qp->rq.wqe_cnt - 1); 5420e126ba97SEli Cohen } 5421e126ba97SEli Cohen 5422e126ba97SEli Cohen out: 5423e126ba97SEli Cohen if (likely(nreq)) { 5424e126ba97SEli Cohen qp->rq.head += nreq; 5425e126ba97SEli Cohen 5426e126ba97SEli Cohen /* Make sure that descriptors are written before 5427e126ba97SEli Cohen * doorbell record. 5428e126ba97SEli Cohen */ 5429e126ba97SEli Cohen wmb(); 5430e126ba97SEli Cohen 5431e126ba97SEli Cohen *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); 5432e126ba97SEli Cohen } 5433e126ba97SEli Cohen 5434e126ba97SEli Cohen spin_unlock_irqrestore(&qp->rq.lock, flags); 5435e126ba97SEli Cohen 5436e126ba97SEli Cohen return err; 5437e126ba97SEli Cohen } 5438e126ba97SEli Cohen 5439d34ac5cdSBart Van Assche int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 5440d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr) 5441d0e84c0aSYishai Hadas { 5442d0e84c0aSYishai Hadas return _mlx5_ib_post_recv(ibqp, wr, bad_wr, false); 5443d0e84c0aSYishai Hadas } 5444d0e84c0aSYishai Hadas 5445e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) 5446e126ba97SEli Cohen { 5447e126ba97SEli Cohen switch (mlx5_state) { 5448e126ba97SEli Cohen case MLX5_QP_STATE_RST: return IB_QPS_RESET; 5449e126ba97SEli Cohen case MLX5_QP_STATE_INIT: return IB_QPS_INIT; 5450e126ba97SEli Cohen case MLX5_QP_STATE_RTR: return IB_QPS_RTR; 5451e126ba97SEli Cohen case MLX5_QP_STATE_RTS: return IB_QPS_RTS; 5452e126ba97SEli Cohen case MLX5_QP_STATE_SQ_DRAINING: 5453e126ba97SEli Cohen case MLX5_QP_STATE_SQD: return IB_QPS_SQD; 5454e126ba97SEli Cohen case MLX5_QP_STATE_SQER: return IB_QPS_SQE; 5455e126ba97SEli Cohen case MLX5_QP_STATE_ERR: return IB_QPS_ERR; 5456e126ba97SEli Cohen default: return -1; 5457e126ba97SEli Cohen } 5458e126ba97SEli Cohen } 5459e126ba97SEli Cohen 5460e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) 5461e126ba97SEli Cohen { 5462e126ba97SEli Cohen switch (mlx5_mig_state) { 5463e126ba97SEli Cohen case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; 5464e126ba97SEli Cohen case MLX5_QP_PM_REARM: return IB_MIG_REARM; 5465e126ba97SEli Cohen case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; 5466e126ba97SEli Cohen default: return -1; 5467e126ba97SEli Cohen } 5468e126ba97SEli Cohen } 5469e126ba97SEli Cohen 5470e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags) 5471e126ba97SEli Cohen { 5472e126ba97SEli Cohen int ib_flags = 0; 5473e126ba97SEli Cohen 5474e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RRE) 5475e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_READ; 5476e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RWE) 5477e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_WRITE; 5478e126ba97SEli Cohen if (mlx5_flags & MLX5_QP_BIT_RAE) 5479e126ba97SEli Cohen ib_flags |= IB_ACCESS_REMOTE_ATOMIC; 5480e126ba97SEli Cohen 5481e126ba97SEli Cohen return ib_flags; 5482e126ba97SEli Cohen } 5483e126ba97SEli Cohen 548438349389SDasaratharaman Chandramouli static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, 5485d8966fcdSDasaratharaman Chandramouli struct rdma_ah_attr *ah_attr, 5486e126ba97SEli Cohen struct mlx5_qp_path *path) 5487e126ba97SEli Cohen { 5488e126ba97SEli Cohen 5489d8966fcdSDasaratharaman Chandramouli memset(ah_attr, 0, sizeof(*ah_attr)); 5490e126ba97SEli Cohen 5491e7996a9aSJason Gunthorpe if (!path->port || path->port > ibdev->num_ports) 5492e126ba97SEli Cohen return; 5493e126ba97SEli Cohen 5494ae59c3f0SLeon Romanovsky ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); 5495ae59c3f0SLeon Romanovsky 5496d8966fcdSDasaratharaman Chandramouli rdma_ah_set_port_num(ah_attr, path->port); 5497d8966fcdSDasaratharaman Chandramouli rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); 5498e126ba97SEli Cohen 5499d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); 5500d8966fcdSDasaratharaman Chandramouli rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); 5501d8966fcdSDasaratharaman Chandramouli rdma_ah_set_static_rate(ah_attr, 5502d8966fcdSDasaratharaman Chandramouli path->static_rate ? path->static_rate - 5 : 0); 5503d8966fcdSDasaratharaman Chandramouli if (path->grh_mlid & (1 << 7)) { 5504d8966fcdSDasaratharaman Chandramouli u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); 5505d8966fcdSDasaratharaman Chandramouli 5506d8966fcdSDasaratharaman Chandramouli rdma_ah_set_grh(ah_attr, NULL, 5507d8966fcdSDasaratharaman Chandramouli tc_fl & 0xfffff, 5508d8966fcdSDasaratharaman Chandramouli path->mgid_index, 5509d8966fcdSDasaratharaman Chandramouli path->hop_limit, 5510d8966fcdSDasaratharaman Chandramouli (tc_fl >> 20) & 0xff); 5511d8966fcdSDasaratharaman Chandramouli rdma_ah_set_dgid_raw(ah_attr, path->rgid); 5512e126ba97SEli Cohen } 5513e126ba97SEli Cohen } 5514e126ba97SEli Cohen 55156d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, 55166d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq, 55176d2f89dfSmajd@mellanox.com u8 *sq_state) 5518e126ba97SEli Cohen { 55196d2f89dfSmajd@mellanox.com int err; 55206d2f89dfSmajd@mellanox.com 552128160771SEran Ben Elisha err = mlx5_core_query_sq_state(dev->mdev, sq->base.mqp.qpn, sq_state); 55226d2f89dfSmajd@mellanox.com if (err) 55236d2f89dfSmajd@mellanox.com goto out; 55246d2f89dfSmajd@mellanox.com sq->state = *sq_state; 55256d2f89dfSmajd@mellanox.com 55266d2f89dfSmajd@mellanox.com out: 55276d2f89dfSmajd@mellanox.com return err; 55286d2f89dfSmajd@mellanox.com } 55296d2f89dfSmajd@mellanox.com 55306d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, 55316d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq, 55326d2f89dfSmajd@mellanox.com u8 *rq_state) 55336d2f89dfSmajd@mellanox.com { 55346d2f89dfSmajd@mellanox.com void *out; 55356d2f89dfSmajd@mellanox.com void *rqc; 55366d2f89dfSmajd@mellanox.com int inlen; 55376d2f89dfSmajd@mellanox.com int err; 55386d2f89dfSmajd@mellanox.com 55396d2f89dfSmajd@mellanox.com inlen = MLX5_ST_SZ_BYTES(query_rq_out); 55401b9a07eeSLeon Romanovsky out = kvzalloc(inlen, GFP_KERNEL); 55416d2f89dfSmajd@mellanox.com if (!out) 55426d2f89dfSmajd@mellanox.com return -ENOMEM; 55436d2f89dfSmajd@mellanox.com 55446d2f89dfSmajd@mellanox.com err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); 55456d2f89dfSmajd@mellanox.com if (err) 55466d2f89dfSmajd@mellanox.com goto out; 55476d2f89dfSmajd@mellanox.com 55486d2f89dfSmajd@mellanox.com rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 55496d2f89dfSmajd@mellanox.com *rq_state = MLX5_GET(rqc, rqc, state); 55506d2f89dfSmajd@mellanox.com rq->state = *rq_state; 55516d2f89dfSmajd@mellanox.com 55526d2f89dfSmajd@mellanox.com out: 55536d2f89dfSmajd@mellanox.com kvfree(out); 55546d2f89dfSmajd@mellanox.com return err; 55556d2f89dfSmajd@mellanox.com } 55566d2f89dfSmajd@mellanox.com 55576d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, 55586d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, u8 *qp_state) 55596d2f89dfSmajd@mellanox.com { 55606d2f89dfSmajd@mellanox.com static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { 55616d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RST] = { 55626d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 55636d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 55646d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, 55656d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_RESET, 55666d2f89dfSmajd@mellanox.com }, 55676d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_RDY] = { 55686d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 55696d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 55706d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, 55716d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, 55726d2f89dfSmajd@mellanox.com }, 55736d2f89dfSmajd@mellanox.com [MLX5_RQC_STATE_ERR] = { 55746d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, 55756d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, 55766d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, 55776d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = IB_QPS_ERR, 55786d2f89dfSmajd@mellanox.com }, 55796d2f89dfSmajd@mellanox.com [MLX5_RQ_STATE_NA] = { 55806d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RST] = IB_QPS_RESET, 55816d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, 55826d2f89dfSmajd@mellanox.com [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, 55836d2f89dfSmajd@mellanox.com [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, 55846d2f89dfSmajd@mellanox.com }, 55856d2f89dfSmajd@mellanox.com }; 55866d2f89dfSmajd@mellanox.com 55876d2f89dfSmajd@mellanox.com *qp_state = sqrq_trans[rq_state][sq_state]; 55886d2f89dfSmajd@mellanox.com 55896d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE_BAD) { 55906d2f89dfSmajd@mellanox.com WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", 55916d2f89dfSmajd@mellanox.com qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, 55926d2f89dfSmajd@mellanox.com qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); 55936d2f89dfSmajd@mellanox.com return -EINVAL; 55946d2f89dfSmajd@mellanox.com } 55956d2f89dfSmajd@mellanox.com 55966d2f89dfSmajd@mellanox.com if (*qp_state == MLX5_QP_STATE) 55976d2f89dfSmajd@mellanox.com *qp_state = qp->state; 55986d2f89dfSmajd@mellanox.com 55996d2f89dfSmajd@mellanox.com return 0; 56006d2f89dfSmajd@mellanox.com } 56016d2f89dfSmajd@mellanox.com 56026d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, 56036d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp, 56046d2f89dfSmajd@mellanox.com u8 *raw_packet_qp_state) 56056d2f89dfSmajd@mellanox.com { 56066d2f89dfSmajd@mellanox.com struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; 56076d2f89dfSmajd@mellanox.com struct mlx5_ib_sq *sq = &raw_packet_qp->sq; 56086d2f89dfSmajd@mellanox.com struct mlx5_ib_rq *rq = &raw_packet_qp->rq; 56096d2f89dfSmajd@mellanox.com int err; 56106d2f89dfSmajd@mellanox.com u8 sq_state = MLX5_SQ_STATE_NA; 56116d2f89dfSmajd@mellanox.com u8 rq_state = MLX5_RQ_STATE_NA; 56126d2f89dfSmajd@mellanox.com 56136d2f89dfSmajd@mellanox.com if (qp->sq.wqe_cnt) { 56146d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); 56156d2f89dfSmajd@mellanox.com if (err) 56166d2f89dfSmajd@mellanox.com return err; 56176d2f89dfSmajd@mellanox.com } 56186d2f89dfSmajd@mellanox.com 56196d2f89dfSmajd@mellanox.com if (qp->rq.wqe_cnt) { 56206d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); 56216d2f89dfSmajd@mellanox.com if (err) 56226d2f89dfSmajd@mellanox.com return err; 56236d2f89dfSmajd@mellanox.com } 56246d2f89dfSmajd@mellanox.com 56256d2f89dfSmajd@mellanox.com return sqrq_state_to_qp_state(sq_state, rq_state, qp, 56266d2f89dfSmajd@mellanox.com raw_packet_qp_state); 56276d2f89dfSmajd@mellanox.com } 56286d2f89dfSmajd@mellanox.com 56296d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, 56306d2f89dfSmajd@mellanox.com struct ib_qp_attr *qp_attr) 56316d2f89dfSmajd@mellanox.com { 563209a7d9ecSSaeed Mahameed int outlen = MLX5_ST_SZ_BYTES(query_qp_out); 5633e126ba97SEli Cohen struct mlx5_qp_context *context; 5634e126ba97SEli Cohen int mlx5_state; 563509a7d9ecSSaeed Mahameed u32 *outb; 5636e126ba97SEli Cohen int err = 0; 5637e126ba97SEli Cohen 563809a7d9ecSSaeed Mahameed outb = kzalloc(outlen, GFP_KERNEL); 56396d2f89dfSmajd@mellanox.com if (!outb) 56406d2f89dfSmajd@mellanox.com return -ENOMEM; 56416d2f89dfSmajd@mellanox.com 564219098df2Smajd@mellanox.com err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, 564309a7d9ecSSaeed Mahameed outlen); 5644e126ba97SEli Cohen if (err) 56456d2f89dfSmajd@mellanox.com goto out; 5646e126ba97SEli Cohen 564709a7d9ecSSaeed Mahameed /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ 564809a7d9ecSSaeed Mahameed context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); 564909a7d9ecSSaeed Mahameed 5650e126ba97SEli Cohen mlx5_state = be32_to_cpu(context->flags) >> 28; 5651e126ba97SEli Cohen 5652e126ba97SEli Cohen qp->state = to_ib_qp_state(mlx5_state); 5653e126ba97SEli Cohen qp_attr->path_mtu = context->mtu_msgmax >> 5; 5654e126ba97SEli Cohen qp_attr->path_mig_state = 5655e126ba97SEli Cohen to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); 5656e126ba97SEli Cohen qp_attr->qkey = be32_to_cpu(context->qkey); 5657e126ba97SEli Cohen qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; 5658e126ba97SEli Cohen qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; 5659e126ba97SEli Cohen qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; 5660e126ba97SEli Cohen qp_attr->qp_access_flags = 5661e126ba97SEli Cohen to_ib_qp_access_flags(be32_to_cpu(context->params2)); 5662e126ba97SEli Cohen 5663e126ba97SEli Cohen if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { 566438349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); 566538349389SDasaratharaman Chandramouli to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); 5666d3ae2bdeSNoa Osherovich qp_attr->alt_pkey_index = 5667d3ae2bdeSNoa Osherovich be16_to_cpu(context->alt_path.pkey_index); 5668d8966fcdSDasaratharaman Chandramouli qp_attr->alt_port_num = 5669d8966fcdSDasaratharaman Chandramouli rdma_ah_get_port_num(&qp_attr->alt_ah_attr); 5670e126ba97SEli Cohen } 5671e126ba97SEli Cohen 5672d3ae2bdeSNoa Osherovich qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); 5673e126ba97SEli Cohen qp_attr->port_num = context->pri_path.port; 5674e126ba97SEli Cohen 5675e126ba97SEli Cohen /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ 5676e126ba97SEli Cohen qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; 5677e126ba97SEli Cohen 5678e126ba97SEli Cohen qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); 5679e126ba97SEli Cohen 5680e126ba97SEli Cohen qp_attr->max_dest_rd_atomic = 5681e126ba97SEli Cohen 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); 5682e126ba97SEli Cohen qp_attr->min_rnr_timer = 5683e126ba97SEli Cohen (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; 5684e126ba97SEli Cohen qp_attr->timeout = context->pri_path.ackto_lt >> 3; 5685e126ba97SEli Cohen qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; 5686e126ba97SEli Cohen qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; 5687e126ba97SEli Cohen qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; 56886d2f89dfSmajd@mellanox.com 56896d2f89dfSmajd@mellanox.com out: 56906d2f89dfSmajd@mellanox.com kfree(outb); 56916d2f89dfSmajd@mellanox.com return err; 56926d2f89dfSmajd@mellanox.com } 56936d2f89dfSmajd@mellanox.com 5694776a3906SMoni Shoua static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp, 5695776a3906SMoni Shoua struct ib_qp_attr *qp_attr, int qp_attr_mask, 5696776a3906SMoni Shoua struct ib_qp_init_attr *qp_init_attr) 5697776a3906SMoni Shoua { 5698776a3906SMoni Shoua struct mlx5_core_dct *dct = &mqp->dct.mdct; 5699776a3906SMoni Shoua u32 *out; 5700776a3906SMoni Shoua u32 access_flags = 0; 5701776a3906SMoni Shoua int outlen = MLX5_ST_SZ_BYTES(query_dct_out); 5702776a3906SMoni Shoua void *dctc; 5703776a3906SMoni Shoua int err; 5704776a3906SMoni Shoua int supported_mask = IB_QP_STATE | 5705776a3906SMoni Shoua IB_QP_ACCESS_FLAGS | 5706776a3906SMoni Shoua IB_QP_PORT | 5707776a3906SMoni Shoua IB_QP_MIN_RNR_TIMER | 5708776a3906SMoni Shoua IB_QP_AV | 5709776a3906SMoni Shoua IB_QP_PATH_MTU | 5710776a3906SMoni Shoua IB_QP_PKEY_INDEX; 5711776a3906SMoni Shoua 5712776a3906SMoni Shoua if (qp_attr_mask & ~supported_mask) 5713776a3906SMoni Shoua return -EINVAL; 5714776a3906SMoni Shoua if (mqp->state != IB_QPS_RTR) 5715776a3906SMoni Shoua return -EINVAL; 5716776a3906SMoni Shoua 5717776a3906SMoni Shoua out = kzalloc(outlen, GFP_KERNEL); 5718776a3906SMoni Shoua if (!out) 5719776a3906SMoni Shoua return -ENOMEM; 5720776a3906SMoni Shoua 5721776a3906SMoni Shoua err = mlx5_core_dct_query(dev->mdev, dct, out, outlen); 5722776a3906SMoni Shoua if (err) 5723776a3906SMoni Shoua goto out; 5724776a3906SMoni Shoua 5725776a3906SMoni Shoua dctc = MLX5_ADDR_OF(query_dct_out, out, dct_context_entry); 5726776a3906SMoni Shoua 5727776a3906SMoni Shoua if (qp_attr_mask & IB_QP_STATE) 5728776a3906SMoni Shoua qp_attr->qp_state = IB_QPS_RTR; 5729776a3906SMoni Shoua 5730776a3906SMoni Shoua if (qp_attr_mask & IB_QP_ACCESS_FLAGS) { 5731776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rre)) 5732776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_READ; 5733776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rwe)) 5734776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_WRITE; 5735776a3906SMoni Shoua if (MLX5_GET(dctc, dctc, rae)) 5736776a3906SMoni Shoua access_flags |= IB_ACCESS_REMOTE_ATOMIC; 5737776a3906SMoni Shoua qp_attr->qp_access_flags = access_flags; 5738776a3906SMoni Shoua } 5739776a3906SMoni Shoua 5740776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PORT) 5741776a3906SMoni Shoua qp_attr->port_num = MLX5_GET(dctc, dctc, port); 5742776a3906SMoni Shoua if (qp_attr_mask & IB_QP_MIN_RNR_TIMER) 5743776a3906SMoni Shoua qp_attr->min_rnr_timer = MLX5_GET(dctc, dctc, min_rnr_nak); 5744776a3906SMoni Shoua if (qp_attr_mask & IB_QP_AV) { 5745776a3906SMoni Shoua qp_attr->ah_attr.grh.traffic_class = MLX5_GET(dctc, dctc, tclass); 5746776a3906SMoni Shoua qp_attr->ah_attr.grh.flow_label = MLX5_GET(dctc, dctc, flow_label); 5747776a3906SMoni Shoua qp_attr->ah_attr.grh.sgid_index = MLX5_GET(dctc, dctc, my_addr_index); 5748776a3906SMoni Shoua qp_attr->ah_attr.grh.hop_limit = MLX5_GET(dctc, dctc, hop_limit); 5749776a3906SMoni Shoua } 5750776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PATH_MTU) 5751776a3906SMoni Shoua qp_attr->path_mtu = MLX5_GET(dctc, dctc, mtu); 5752776a3906SMoni Shoua if (qp_attr_mask & IB_QP_PKEY_INDEX) 5753776a3906SMoni Shoua qp_attr->pkey_index = MLX5_GET(dctc, dctc, pkey_index); 5754776a3906SMoni Shoua out: 5755776a3906SMoni Shoua kfree(out); 5756776a3906SMoni Shoua return err; 5757776a3906SMoni Shoua } 5758776a3906SMoni Shoua 57596d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, 57606d2f89dfSmajd@mellanox.com int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) 57616d2f89dfSmajd@mellanox.com { 57626d2f89dfSmajd@mellanox.com struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 57636d2f89dfSmajd@mellanox.com struct mlx5_ib_qp *qp = to_mqp(ibqp); 57646d2f89dfSmajd@mellanox.com int err = 0; 57656d2f89dfSmajd@mellanox.com u8 raw_packet_qp_state; 57666d2f89dfSmajd@mellanox.com 576728d61370SYishai Hadas if (ibqp->rwq_ind_tbl) 576828d61370SYishai Hadas return -ENOSYS; 576928d61370SYishai Hadas 5770d16e91daSHaggai Eran if (unlikely(ibqp->qp_type == IB_QPT_GSI)) 5771d16e91daSHaggai Eran return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, 5772d16e91daSHaggai Eran qp_init_attr); 5773d16e91daSHaggai Eran 5774c2e53b2cSYishai Hadas /* Not all of output fields are applicable, make sure to zero them */ 5775c2e53b2cSYishai Hadas memset(qp_init_attr, 0, sizeof(*qp_init_attr)); 5776c2e53b2cSYishai Hadas memset(qp_attr, 0, sizeof(*qp_attr)); 5777c2e53b2cSYishai Hadas 5778776a3906SMoni Shoua if (unlikely(qp->qp_sub_type == MLX5_IB_QPT_DCT)) 5779776a3906SMoni Shoua return mlx5_ib_dct_query_qp(dev, qp, qp_attr, 5780776a3906SMoni Shoua qp_attr_mask, qp_init_attr); 5781776a3906SMoni Shoua 57826d2f89dfSmajd@mellanox.com mutex_lock(&qp->mutex); 57836d2f89dfSmajd@mellanox.com 5784c2e53b2cSYishai Hadas if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET || 5785c2e53b2cSYishai Hadas qp->flags & MLX5_IB_QP_UNDERLAY) { 57866d2f89dfSmajd@mellanox.com err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); 57876d2f89dfSmajd@mellanox.com if (err) 57886d2f89dfSmajd@mellanox.com goto out; 57896d2f89dfSmajd@mellanox.com qp->state = raw_packet_qp_state; 57906d2f89dfSmajd@mellanox.com qp_attr->port_num = 1; 57916d2f89dfSmajd@mellanox.com } else { 57926d2f89dfSmajd@mellanox.com err = query_qp_attr(dev, qp, qp_attr); 57936d2f89dfSmajd@mellanox.com if (err) 57946d2f89dfSmajd@mellanox.com goto out; 57956d2f89dfSmajd@mellanox.com } 57966d2f89dfSmajd@mellanox.com 57976d2f89dfSmajd@mellanox.com qp_attr->qp_state = qp->state; 5798e126ba97SEli Cohen qp_attr->cur_qp_state = qp_attr->qp_state; 5799e126ba97SEli Cohen qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; 5800e126ba97SEli Cohen qp_attr->cap.max_recv_sge = qp->rq.max_gs; 5801e126ba97SEli Cohen 5802e126ba97SEli Cohen if (!ibqp->uobject) { 58030540d814SNoa Osherovich qp_attr->cap.max_send_wr = qp->sq.max_post; 5804e126ba97SEli Cohen qp_attr->cap.max_send_sge = qp->sq.max_gs; 58050540d814SNoa Osherovich qp_init_attr->qp_context = ibqp->qp_context; 5806e126ba97SEli Cohen } else { 5807e126ba97SEli Cohen qp_attr->cap.max_send_wr = 0; 5808e126ba97SEli Cohen qp_attr->cap.max_send_sge = 0; 5809e126ba97SEli Cohen } 5810e126ba97SEli Cohen 58110540d814SNoa Osherovich qp_init_attr->qp_type = ibqp->qp_type; 58120540d814SNoa Osherovich qp_init_attr->recv_cq = ibqp->recv_cq; 58130540d814SNoa Osherovich qp_init_attr->send_cq = ibqp->send_cq; 58140540d814SNoa Osherovich qp_init_attr->srq = ibqp->srq; 58150540d814SNoa Osherovich qp_attr->cap.max_inline_data = qp->max_inline_data; 5816e126ba97SEli Cohen 5817e126ba97SEli Cohen qp_init_attr->cap = qp_attr->cap; 5818e126ba97SEli Cohen 5819e126ba97SEli Cohen qp_init_attr->create_flags = 0; 5820e126ba97SEli Cohen if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) 5821e126ba97SEli Cohen qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; 5822e126ba97SEli Cohen 5823051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) 5824051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; 5825051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_SEND) 5826051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; 5827051f2630SLeon Romanovsky if (qp->flags & MLX5_IB_QP_MANAGED_RECV) 5828051f2630SLeon Romanovsky qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; 5829b11a4f9cSHaggai Eran if (qp->flags & MLX5_IB_QP_SQPN_QP1) 58303f89b01fSMichael Guralnik qp_init_attr->create_flags |= MLX5_IB_QP_CREATE_SQPN_QP1; 5831051f2630SLeon Romanovsky 5832e126ba97SEli Cohen qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? 5833e126ba97SEli Cohen IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; 5834e126ba97SEli Cohen 5835e126ba97SEli Cohen out: 5836e126ba97SEli Cohen mutex_unlock(&qp->mutex); 5837e126ba97SEli Cohen return err; 5838e126ba97SEli Cohen } 5839e126ba97SEli Cohen 5840e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, 5841e126ba97SEli Cohen struct ib_udata *udata) 5842e126ba97SEli Cohen { 5843e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(ibdev); 5844e126ba97SEli Cohen struct mlx5_ib_xrcd *xrcd; 5845e126ba97SEli Cohen int err; 5846e126ba97SEli Cohen 5847938fe83cSSaeed Mahameed if (!MLX5_CAP_GEN(dev->mdev, xrc)) 5848e126ba97SEli Cohen return ERR_PTR(-ENOSYS); 5849e126ba97SEli Cohen 5850e126ba97SEli Cohen xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); 5851e126ba97SEli Cohen if (!xrcd) 5852e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5853e126ba97SEli Cohen 58545aa3771dSYishai Hadas err = mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0); 5855e126ba97SEli Cohen if (err) { 5856e126ba97SEli Cohen kfree(xrcd); 5857e126ba97SEli Cohen return ERR_PTR(-ENOMEM); 5858e126ba97SEli Cohen } 5859e126ba97SEli Cohen 5860e126ba97SEli Cohen return &xrcd->ibxrcd; 5861e126ba97SEli Cohen } 5862e126ba97SEli Cohen 5863c4367a26SShamir Rabinovitch int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata) 5864e126ba97SEli Cohen { 5865e126ba97SEli Cohen struct mlx5_ib_dev *dev = to_mdev(xrcd->device); 5866e126ba97SEli Cohen u32 xrcdn = to_mxrcd(xrcd)->xrcdn; 5867e126ba97SEli Cohen int err; 5868e126ba97SEli Cohen 58695aa3771dSYishai Hadas err = mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0); 5870b081808aSLeon Romanovsky if (err) 5871e126ba97SEli Cohen mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); 5872e126ba97SEli Cohen 5873e126ba97SEli Cohen kfree(xrcd); 5874e126ba97SEli Cohen return 0; 5875e126ba97SEli Cohen } 587679b20a6cSYishai Hadas 5877350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) 5878350d0e4cSYishai Hadas { 5879350d0e4cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); 5880350d0e4cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); 5881350d0e4cSYishai Hadas struct ib_event event; 5882350d0e4cSYishai Hadas 5883350d0e4cSYishai Hadas if (rwq->ibwq.event_handler) { 5884350d0e4cSYishai Hadas event.device = rwq->ibwq.device; 5885350d0e4cSYishai Hadas event.element.wq = &rwq->ibwq; 5886350d0e4cSYishai Hadas switch (type) { 5887350d0e4cSYishai Hadas case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: 5888350d0e4cSYishai Hadas event.event = IB_EVENT_WQ_FATAL; 5889350d0e4cSYishai Hadas break; 5890350d0e4cSYishai Hadas default: 5891350d0e4cSYishai Hadas mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); 5892350d0e4cSYishai Hadas return; 5893350d0e4cSYishai Hadas } 5894350d0e4cSYishai Hadas 5895350d0e4cSYishai Hadas rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); 5896350d0e4cSYishai Hadas } 5897350d0e4cSYishai Hadas } 5898350d0e4cSYishai Hadas 589903404e8aSMaor Gottlieb static int set_delay_drop(struct mlx5_ib_dev *dev) 590003404e8aSMaor Gottlieb { 590103404e8aSMaor Gottlieb int err = 0; 590203404e8aSMaor Gottlieb 590303404e8aSMaor Gottlieb mutex_lock(&dev->delay_drop.lock); 590403404e8aSMaor Gottlieb if (dev->delay_drop.activate) 590503404e8aSMaor Gottlieb goto out; 590603404e8aSMaor Gottlieb 590703404e8aSMaor Gottlieb err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout); 590803404e8aSMaor Gottlieb if (err) 590903404e8aSMaor Gottlieb goto out; 591003404e8aSMaor Gottlieb 591103404e8aSMaor Gottlieb dev->delay_drop.activate = true; 591203404e8aSMaor Gottlieb out: 591303404e8aSMaor Gottlieb mutex_unlock(&dev->delay_drop.lock); 5914fe248c3aSMaor Gottlieb 5915fe248c3aSMaor Gottlieb if (!err) 5916fe248c3aSMaor Gottlieb atomic_inc(&dev->delay_drop.rqs_cnt); 591703404e8aSMaor Gottlieb return err; 591803404e8aSMaor Gottlieb } 591903404e8aSMaor Gottlieb 592079b20a6cSYishai Hadas static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, 592179b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr) 592279b20a6cSYishai Hadas { 592379b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 59244be6da1eSNoa Osherovich int has_net_offloads; 592579b20a6cSYishai Hadas __be64 *rq_pas0; 592679b20a6cSYishai Hadas void *in; 592779b20a6cSYishai Hadas void *rqc; 592879b20a6cSYishai Hadas void *wq; 592979b20a6cSYishai Hadas int inlen; 593079b20a6cSYishai Hadas int err; 593179b20a6cSYishai Hadas 593279b20a6cSYishai Hadas dev = to_mdev(pd->device); 593379b20a6cSYishai Hadas 593479b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; 59351b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 593679b20a6cSYishai Hadas if (!in) 593779b20a6cSYishai Hadas return -ENOMEM; 593879b20a6cSYishai Hadas 593934d57585SYishai Hadas MLX5_SET(create_rq_in, in, uid, to_mpd(pd)->uid); 594079b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 594179b20a6cSYishai Hadas MLX5_SET(rqc, rqc, mem_rq_type, 594279b20a6cSYishai Hadas MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); 594379b20a6cSYishai Hadas MLX5_SET(rqc, rqc, user_index, rwq->user_index); 594479b20a6cSYishai Hadas MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); 594579b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 594679b20a6cSYishai Hadas MLX5_SET(rqc, rqc, flush_in_error_en, 1); 594779b20a6cSYishai Hadas wq = MLX5_ADDR_OF(rqc, rqc, wq); 5948ccc87087SNoa Osherovich MLX5_SET(wq, wq, wq_type, 5949ccc87087SNoa Osherovich rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ ? 5950ccc87087SNoa Osherovich MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ : MLX5_WQ_TYPE_CYCLIC); 5951b1383aa6SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 5952b1383aa6SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, end_pad)) { 5953b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Scatter end padding is not supported\n"); 5954b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 5955b1383aa6SNoa Osherovich goto out; 5956b1383aa6SNoa Osherovich } else { 595779b20a6cSYishai Hadas MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 5958b1383aa6SNoa Osherovich } 5959b1383aa6SNoa Osherovich } 596079b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); 5961ccc87087SNoa Osherovich if (rwq->create_flags & MLX5_IB_WQ_FLAGS_STRIDING_RQ) { 5962c16339b6SMark Zhang /* 5963c16339b6SMark Zhang * In Firmware number of strides in each WQE is: 5964c16339b6SMark Zhang * "512 * 2^single_wqe_log_num_of_strides" 5965c16339b6SMark Zhang * Values 3 to 8 are accepted as 10 to 15, 9 to 18 are 5966c16339b6SMark Zhang * accepted as 0 to 9 5967c16339b6SMark Zhang */ 5968c16339b6SMark Zhang static const u8 fw_map[] = { 10, 11, 12, 13, 14, 15, 0, 1, 5969c16339b6SMark Zhang 2, 3, 4, 5, 6, 7, 8, 9 }; 5970ccc87087SNoa Osherovich MLX5_SET(wq, wq, two_byte_shift_en, rwq->two_byte_shift_en); 5971ccc87087SNoa Osherovich MLX5_SET(wq, wq, log_wqe_stride_size, 5972ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes - 5973ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES); 5974c16339b6SMark Zhang MLX5_SET(wq, wq, log_wqe_num_of_strides, 5975c16339b6SMark Zhang fw_map[rwq->log_num_strides - 5976c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES]); 5977ccc87087SNoa Osherovich } 597879b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); 597979b20a6cSYishai Hadas MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); 598079b20a6cSYishai Hadas MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); 598179b20a6cSYishai Hadas MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); 598279b20a6cSYishai Hadas MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); 598379b20a6cSYishai Hadas MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); 59844be6da1eSNoa Osherovich has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); 5985b1f74a84SNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { 59864be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 5987b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); 5988b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 5989b1f74a84SNoa Osherovich goto out; 5990b1f74a84SNoa Osherovich } 5991b1f74a84SNoa Osherovich } else { 5992b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 1); 5993b1f74a84SNoa Osherovich } 59944be6da1eSNoa Osherovich if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { 59954be6da1eSNoa Osherovich if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { 59964be6da1eSNoa Osherovich mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); 59974be6da1eSNoa Osherovich err = -EOPNOTSUPP; 59984be6da1eSNoa Osherovich goto out; 59994be6da1eSNoa Osherovich } 60004be6da1eSNoa Osherovich MLX5_SET(rqc, rqc, scatter_fcs, 1); 60014be6da1eSNoa Osherovich } 600203404e8aSMaor Gottlieb if (init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 600303404e8aSMaor Gottlieb if (!(dev->ib_dev.attrs.raw_packet_caps & 600403404e8aSMaor Gottlieb IB_RAW_PACKET_CAP_DELAY_DROP)) { 600503404e8aSMaor Gottlieb mlx5_ib_dbg(dev, "Delay drop is not supported\n"); 600603404e8aSMaor Gottlieb err = -EOPNOTSUPP; 600703404e8aSMaor Gottlieb goto out; 600803404e8aSMaor Gottlieb } 600903404e8aSMaor Gottlieb MLX5_SET(rqc, rqc, delay_drop_en, 1); 601003404e8aSMaor Gottlieb } 601179b20a6cSYishai Hadas rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); 601279b20a6cSYishai Hadas mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); 6013350d0e4cSYishai Hadas err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); 601403404e8aSMaor Gottlieb if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) { 601503404e8aSMaor Gottlieb err = set_delay_drop(dev); 601603404e8aSMaor Gottlieb if (err) { 601703404e8aSMaor Gottlieb mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n", 601803404e8aSMaor Gottlieb err); 601903404e8aSMaor Gottlieb mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 602003404e8aSMaor Gottlieb } else { 602103404e8aSMaor Gottlieb rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP; 602203404e8aSMaor Gottlieb } 602303404e8aSMaor Gottlieb } 6024b1f74a84SNoa Osherovich out: 602579b20a6cSYishai Hadas kvfree(in); 602679b20a6cSYishai Hadas return err; 602779b20a6cSYishai Hadas } 602879b20a6cSYishai Hadas 602979b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev, 603079b20a6cSYishai Hadas struct ib_wq_init_attr *wq_init_attr, 603179b20a6cSYishai Hadas struct mlx5_ib_create_wq *ucmd, 603279b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 603379b20a6cSYishai Hadas { 603479b20a6cSYishai Hadas /* Sanity check RQ size before proceeding */ 603579b20a6cSYishai Hadas if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) 603679b20a6cSYishai Hadas return -EINVAL; 603779b20a6cSYishai Hadas 603879b20a6cSYishai Hadas if (!ucmd->rq_wqe_count) 603979b20a6cSYishai Hadas return -EINVAL; 604079b20a6cSYishai Hadas 604179b20a6cSYishai Hadas rwq->wqe_count = ucmd->rq_wqe_count; 604279b20a6cSYishai Hadas rwq->wqe_shift = ucmd->rq_wqe_shift; 60430dfe4522SLeon Romanovsky if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size)) 60440dfe4522SLeon Romanovsky return -EINVAL; 60450dfe4522SLeon Romanovsky 604679b20a6cSYishai Hadas rwq->log_rq_stride = rwq->wqe_shift; 604779b20a6cSYishai Hadas rwq->log_rq_size = ilog2(rwq->wqe_count); 604879b20a6cSYishai Hadas return 0; 604979b20a6cSYishai Hadas } 605079b20a6cSYishai Hadas 6051c16339b6SMark Zhang static bool log_of_strides_valid(struct mlx5_ib_dev *dev, u32 log_num_strides) 6052c16339b6SMark Zhang { 6053c16339b6SMark Zhang if ((log_num_strides > MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES) || 6054c16339b6SMark Zhang (log_num_strides < MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6055c16339b6SMark Zhang return false; 6056c16339b6SMark Zhang 6057c16339b6SMark Zhang if (!MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) && 6058c16339b6SMark Zhang (log_num_strides < MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES)) 6059c16339b6SMark Zhang return false; 6060c16339b6SMark Zhang 6061c16339b6SMark Zhang return true; 6062c16339b6SMark Zhang } 6063c16339b6SMark Zhang 606479b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd, 606579b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 606679b20a6cSYishai Hadas struct ib_udata *udata, 606779b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq) 606879b20a6cSYishai Hadas { 606979b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(pd->device); 607079b20a6cSYishai Hadas struct mlx5_ib_create_wq ucmd = {}; 607179b20a6cSYishai Hadas int err; 607279b20a6cSYishai Hadas size_t required_cmd_sz; 607379b20a6cSYishai Hadas 6074ccc87087SNoa Osherovich required_cmd_sz = offsetof(typeof(ucmd), single_stride_log_num_of_bytes) 6075ccc87087SNoa Osherovich + sizeof(ucmd.single_stride_log_num_of_bytes); 607679b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) { 607779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid inlen\n"); 607879b20a6cSYishai Hadas return -EINVAL; 607979b20a6cSYishai Hadas } 608079b20a6cSYishai Hadas 608179b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 608279b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 608379b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) { 608479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "inlen is not supported\n"); 608579b20a6cSYishai Hadas return -EOPNOTSUPP; 608679b20a6cSYishai Hadas } 608779b20a6cSYishai Hadas 608879b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { 608979b20a6cSYishai Hadas mlx5_ib_dbg(dev, "copy failed\n"); 609079b20a6cSYishai Hadas return -EFAULT; 609179b20a6cSYishai Hadas } 609279b20a6cSYishai Hadas 6093ccc87087SNoa Osherovich if (ucmd.comp_mask & (~MLX5_IB_CREATE_WQ_STRIDING_RQ)) { 609479b20a6cSYishai Hadas mlx5_ib_dbg(dev, "invalid comp mask\n"); 609579b20a6cSYishai Hadas return -EOPNOTSUPP; 6096ccc87087SNoa Osherovich } else if (ucmd.comp_mask & MLX5_IB_CREATE_WQ_STRIDING_RQ) { 6097ccc87087SNoa Osherovich if (!MLX5_CAP_GEN(dev->mdev, striding_rq)) { 6098ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Striding RQ is not supported\n"); 609979b20a6cSYishai Hadas return -EOPNOTSUPP; 610079b20a6cSYishai Hadas } 6101ccc87087SNoa Osherovich if ((ucmd.single_stride_log_num_of_bytes < 6102ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES) || 6103ccc87087SNoa Osherovich (ucmd.single_stride_log_num_of_bytes > 6104ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES)) { 6105ccc87087SNoa Osherovich mlx5_ib_dbg(dev, "Invalid log stride size (%u. Range is %u - %u)\n", 6106ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes, 6107ccc87087SNoa Osherovich MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES, 6108ccc87087SNoa Osherovich MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES); 6109ccc87087SNoa Osherovich return -EINVAL; 6110ccc87087SNoa Osherovich } 6111c16339b6SMark Zhang if (!log_of_strides_valid(dev, 6112c16339b6SMark Zhang ucmd.single_wqe_log_num_of_strides)) { 6113c16339b6SMark Zhang mlx5_ib_dbg( 6114c16339b6SMark Zhang dev, 6115c16339b6SMark Zhang "Invalid log num strides (%u. Range is %u - %u)\n", 6116ccc87087SNoa Osherovich ucmd.single_wqe_log_num_of_strides, 6117c16339b6SMark Zhang MLX5_CAP_GEN(dev->mdev, ext_stride_num_range) ? 6118c16339b6SMark Zhang MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES : 6119ccc87087SNoa Osherovich MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES, 6120ccc87087SNoa Osherovich MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES); 6121ccc87087SNoa Osherovich return -EINVAL; 6122ccc87087SNoa Osherovich } 6123ccc87087SNoa Osherovich rwq->single_stride_log_num_of_bytes = 6124ccc87087SNoa Osherovich ucmd.single_stride_log_num_of_bytes; 6125ccc87087SNoa Osherovich rwq->log_num_strides = ucmd.single_wqe_log_num_of_strides; 6126ccc87087SNoa Osherovich rwq->two_byte_shift_en = !!ucmd.two_byte_shift_en; 6127ccc87087SNoa Osherovich rwq->create_flags |= MLX5_IB_WQ_FLAGS_STRIDING_RQ; 6128ccc87087SNoa Osherovich } 612979b20a6cSYishai Hadas 613079b20a6cSYishai Hadas err = set_user_rq_size(dev, init_attr, &ucmd, rwq); 613179b20a6cSYishai Hadas if (err) { 613279b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 613379b20a6cSYishai Hadas return err; 613479b20a6cSYishai Hadas } 613579b20a6cSYishai Hadas 6136b0ea0fa5SJason Gunthorpe err = create_user_rq(dev, pd, udata, rwq, &ucmd); 613779b20a6cSYishai Hadas if (err) { 613879b20a6cSYishai Hadas mlx5_ib_dbg(dev, "err %d\n", err); 613979b20a6cSYishai Hadas return err; 614079b20a6cSYishai Hadas } 614179b20a6cSYishai Hadas 614279b20a6cSYishai Hadas rwq->user_index = ucmd.user_index; 614379b20a6cSYishai Hadas return 0; 614479b20a6cSYishai Hadas } 614579b20a6cSYishai Hadas 614679b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, 614779b20a6cSYishai Hadas struct ib_wq_init_attr *init_attr, 614879b20a6cSYishai Hadas struct ib_udata *udata) 614979b20a6cSYishai Hadas { 615079b20a6cSYishai Hadas struct mlx5_ib_dev *dev; 615179b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq; 615279b20a6cSYishai Hadas struct mlx5_ib_create_wq_resp resp = {}; 615379b20a6cSYishai Hadas size_t min_resp_len; 615479b20a6cSYishai Hadas int err; 615579b20a6cSYishai Hadas 615679b20a6cSYishai Hadas if (!udata) 615779b20a6cSYishai Hadas return ERR_PTR(-ENOSYS); 615879b20a6cSYishai Hadas 615979b20a6cSYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 616079b20a6cSYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 616179b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 616279b20a6cSYishai Hadas 616379b20a6cSYishai Hadas dev = to_mdev(pd->device); 616479b20a6cSYishai Hadas switch (init_attr->wq_type) { 616579b20a6cSYishai Hadas case IB_WQT_RQ: 616679b20a6cSYishai Hadas rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); 616779b20a6cSYishai Hadas if (!rwq) 616879b20a6cSYishai Hadas return ERR_PTR(-ENOMEM); 616979b20a6cSYishai Hadas err = prepare_user_rq(pd, init_attr, udata, rwq); 617079b20a6cSYishai Hadas if (err) 617179b20a6cSYishai Hadas goto err; 617279b20a6cSYishai Hadas err = create_rq(rwq, pd, init_attr); 617379b20a6cSYishai Hadas if (err) 617479b20a6cSYishai Hadas goto err_user_rq; 617579b20a6cSYishai Hadas break; 617679b20a6cSYishai Hadas default: 617779b20a6cSYishai Hadas mlx5_ib_dbg(dev, "unsupported wq type %d\n", 617879b20a6cSYishai Hadas init_attr->wq_type); 617979b20a6cSYishai Hadas return ERR_PTR(-EINVAL); 618079b20a6cSYishai Hadas } 618179b20a6cSYishai Hadas 6182350d0e4cSYishai Hadas rwq->ibwq.wq_num = rwq->core_qp.qpn; 618379b20a6cSYishai Hadas rwq->ibwq.state = IB_WQS_RESET; 618479b20a6cSYishai Hadas if (udata->outlen) { 618579b20a6cSYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 618679b20a6cSYishai Hadas sizeof(resp.response_length); 618779b20a6cSYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 618879b20a6cSYishai Hadas if (err) 618979b20a6cSYishai Hadas goto err_copy; 619079b20a6cSYishai Hadas } 619179b20a6cSYishai Hadas 6192350d0e4cSYishai Hadas rwq->core_qp.event = mlx5_ib_wq_event; 6193350d0e4cSYishai Hadas rwq->ibwq.event_handler = init_attr->event_handler; 619479b20a6cSYishai Hadas return &rwq->ibwq; 619579b20a6cSYishai Hadas 619679b20a6cSYishai Hadas err_copy: 6197350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 619879b20a6cSYishai Hadas err_user_rq: 6199bdeacabdSShamir Rabinovitch destroy_user_rq(dev, pd, rwq, udata); 620079b20a6cSYishai Hadas err: 620179b20a6cSYishai Hadas kfree(rwq); 620279b20a6cSYishai Hadas return ERR_PTR(err); 620379b20a6cSYishai Hadas } 620479b20a6cSYishai Hadas 6205a49b1dc7SLeon Romanovsky void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata) 620679b20a6cSYishai Hadas { 620779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 620879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 620979b20a6cSYishai Hadas 6210350d0e4cSYishai Hadas mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); 6211bdeacabdSShamir Rabinovitch destroy_user_rq(dev, wq->pd, rwq, udata); 621279b20a6cSYishai Hadas kfree(rwq); 621379b20a6cSYishai Hadas } 621479b20a6cSYishai Hadas 6215c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, 6216c5f90929SYishai Hadas struct ib_rwq_ind_table_init_attr *init_attr, 6217c5f90929SYishai Hadas struct ib_udata *udata) 6218c5f90929SYishai Hadas { 6219c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(device); 6220c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; 6221c5f90929SYishai Hadas int sz = 1 << init_attr->log_ind_tbl_size; 6222c5f90929SYishai Hadas struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; 6223c5f90929SYishai Hadas size_t min_resp_len; 6224c5f90929SYishai Hadas int inlen; 6225c5f90929SYishai Hadas int err; 6226c5f90929SYishai Hadas int i; 6227c5f90929SYishai Hadas u32 *in; 6228c5f90929SYishai Hadas void *rqtc; 6229c5f90929SYishai Hadas 6230c5f90929SYishai Hadas if (udata->inlen > 0 && 6231c5f90929SYishai Hadas !ib_is_udata_cleared(udata, 0, 6232c5f90929SYishai Hadas udata->inlen)) 6233c5f90929SYishai Hadas return ERR_PTR(-EOPNOTSUPP); 6234c5f90929SYishai Hadas 6235efd7f400SMaor Gottlieb if (init_attr->log_ind_tbl_size > 6236efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { 6237efd7f400SMaor Gottlieb mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", 6238efd7f400SMaor Gottlieb init_attr->log_ind_tbl_size, 6239efd7f400SMaor Gottlieb MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); 6240efd7f400SMaor Gottlieb return ERR_PTR(-EINVAL); 6241efd7f400SMaor Gottlieb } 6242efd7f400SMaor Gottlieb 6243c5f90929SYishai Hadas min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); 6244c5f90929SYishai Hadas if (udata->outlen && udata->outlen < min_resp_len) 6245c5f90929SYishai Hadas return ERR_PTR(-EINVAL); 6246c5f90929SYishai Hadas 6247c5f90929SYishai Hadas rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); 6248c5f90929SYishai Hadas if (!rwq_ind_tbl) 6249c5f90929SYishai Hadas return ERR_PTR(-ENOMEM); 6250c5f90929SYishai Hadas 6251c5f90929SYishai Hadas inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 62521b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 6253c5f90929SYishai Hadas if (!in) { 6254c5f90929SYishai Hadas err = -ENOMEM; 6255c5f90929SYishai Hadas goto err; 6256c5f90929SYishai Hadas } 6257c5f90929SYishai Hadas 6258c5f90929SYishai Hadas rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6259c5f90929SYishai Hadas 6260c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6261c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6262c5f90929SYishai Hadas 6263c5f90929SYishai Hadas for (i = 0; i < sz; i++) 6264c5f90929SYishai Hadas MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); 6265c5f90929SYishai Hadas 62665deba86eSYishai Hadas rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid; 62675deba86eSYishai Hadas MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid); 62685deba86eSYishai Hadas 6269c5f90929SYishai Hadas err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); 6270c5f90929SYishai Hadas kvfree(in); 6271c5f90929SYishai Hadas 6272c5f90929SYishai Hadas if (err) 6273c5f90929SYishai Hadas goto err; 6274c5f90929SYishai Hadas 6275c5f90929SYishai Hadas rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; 6276c5f90929SYishai Hadas if (udata->outlen) { 6277c5f90929SYishai Hadas resp.response_length = offsetof(typeof(resp), response_length) + 6278c5f90929SYishai Hadas sizeof(resp.response_length); 6279c5f90929SYishai Hadas err = ib_copy_to_udata(udata, &resp, resp.response_length); 6280c5f90929SYishai Hadas if (err) 6281c5f90929SYishai Hadas goto err_copy; 6282c5f90929SYishai Hadas } 6283c5f90929SYishai Hadas 6284c5f90929SYishai Hadas return &rwq_ind_tbl->ib_rwq_ind_tbl; 6285c5f90929SYishai Hadas 6286c5f90929SYishai Hadas err_copy: 62875deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6288c5f90929SYishai Hadas err: 6289c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6290c5f90929SYishai Hadas return ERR_PTR(err); 6291c5f90929SYishai Hadas } 6292c5f90929SYishai Hadas 6293c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) 6294c5f90929SYishai Hadas { 6295c5f90929SYishai Hadas struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); 6296c5f90929SYishai Hadas struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); 6297c5f90929SYishai Hadas 62985deba86eSYishai Hadas mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid); 6299c5f90929SYishai Hadas 6300c5f90929SYishai Hadas kfree(rwq_ind_tbl); 6301c5f90929SYishai Hadas return 0; 6302c5f90929SYishai Hadas } 6303c5f90929SYishai Hadas 630479b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 630579b20a6cSYishai Hadas u32 wq_attr_mask, struct ib_udata *udata) 630679b20a6cSYishai Hadas { 630779b20a6cSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(wq->device); 630879b20a6cSYishai Hadas struct mlx5_ib_rwq *rwq = to_mrwq(wq); 630979b20a6cSYishai Hadas struct mlx5_ib_modify_wq ucmd = {}; 631079b20a6cSYishai Hadas size_t required_cmd_sz; 631179b20a6cSYishai Hadas int curr_wq_state; 631279b20a6cSYishai Hadas int wq_state; 631379b20a6cSYishai Hadas int inlen; 631479b20a6cSYishai Hadas int err; 631579b20a6cSYishai Hadas void *rqc; 631679b20a6cSYishai Hadas void *in; 631779b20a6cSYishai Hadas 631879b20a6cSYishai Hadas required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); 631979b20a6cSYishai Hadas if (udata->inlen < required_cmd_sz) 632079b20a6cSYishai Hadas return -EINVAL; 632179b20a6cSYishai Hadas 632279b20a6cSYishai Hadas if (udata->inlen > sizeof(ucmd) && 632379b20a6cSYishai Hadas !ib_is_udata_cleared(udata, sizeof(ucmd), 632479b20a6cSYishai Hadas udata->inlen - sizeof(ucmd))) 632579b20a6cSYishai Hadas return -EOPNOTSUPP; 632679b20a6cSYishai Hadas 632779b20a6cSYishai Hadas if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) 632879b20a6cSYishai Hadas return -EFAULT; 632979b20a6cSYishai Hadas 633079b20a6cSYishai Hadas if (ucmd.comp_mask || ucmd.reserved) 633179b20a6cSYishai Hadas return -EOPNOTSUPP; 633279b20a6cSYishai Hadas 633379b20a6cSYishai Hadas inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 63341b9a07eeSLeon Romanovsky in = kvzalloc(inlen, GFP_KERNEL); 633579b20a6cSYishai Hadas if (!in) 633679b20a6cSYishai Hadas return -ENOMEM; 633779b20a6cSYishai Hadas 633879b20a6cSYishai Hadas rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 633979b20a6cSYishai Hadas 634079b20a6cSYishai Hadas curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? 634179b20a6cSYishai Hadas wq_attr->curr_wq_state : wq->state; 634279b20a6cSYishai Hadas wq_state = (wq_attr_mask & IB_WQ_STATE) ? 634379b20a6cSYishai Hadas wq_attr->wq_state : curr_wq_state; 634479b20a6cSYishai Hadas if (curr_wq_state == IB_WQS_ERR) 634579b20a6cSYishai Hadas curr_wq_state = MLX5_RQC_STATE_ERR; 634679b20a6cSYishai Hadas if (wq_state == IB_WQS_ERR) 634779b20a6cSYishai Hadas wq_state = MLX5_RQC_STATE_ERR; 634879b20a6cSYishai Hadas MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); 634934d57585SYishai Hadas MLX5_SET(modify_rq_in, in, uid, to_mpd(wq->pd)->uid); 635079b20a6cSYishai Hadas MLX5_SET(rqc, rqc, state, wq_state); 635179b20a6cSYishai Hadas 6352b1f74a84SNoa Osherovich if (wq_attr_mask & IB_WQ_FLAGS) { 6353b1f74a84SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { 6354b1f74a84SNoa Osherovich if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6355b1f74a84SNoa Osherovich MLX5_CAP_ETH(dev->mdev, vlan_cap))) { 6356b1f74a84SNoa Osherovich mlx5_ib_dbg(dev, "VLAN offloads are not " 6357b1f74a84SNoa Osherovich "supported\n"); 6358b1f74a84SNoa Osherovich err = -EOPNOTSUPP; 6359b1f74a84SNoa Osherovich goto out; 6360b1f74a84SNoa Osherovich } 6361b1f74a84SNoa Osherovich MLX5_SET64(modify_rq_in, in, modify_bitmask, 6362b1f74a84SNoa Osherovich MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); 6363b1f74a84SNoa Osherovich MLX5_SET(rqc, rqc, vsd, 6364b1f74a84SNoa Osherovich (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); 6365b1f74a84SNoa Osherovich } 6366b1383aa6SNoa Osherovich 6367b1383aa6SNoa Osherovich if (wq_attr->flags_mask & IB_WQ_FLAGS_PCI_WRITE_END_PADDING) { 6368b1383aa6SNoa Osherovich mlx5_ib_dbg(dev, "Modifying scatter end padding is not supported\n"); 6369b1383aa6SNoa Osherovich err = -EOPNOTSUPP; 6370b1383aa6SNoa Osherovich goto out; 6371b1383aa6SNoa Osherovich } 6372b1f74a84SNoa Osherovich } 6373b1f74a84SNoa Osherovich 637423a6964eSMajd Dibbiny if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { 63753e1f000fSParav Pandit u16 set_id; 63763e1f000fSParav Pandit 63773e1f000fSParav Pandit set_id = mlx5_ib_get_counters_id(dev, 0); 637823a6964eSMajd Dibbiny if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { 637923a6964eSMajd Dibbiny MLX5_SET64(modify_rq_in, in, modify_bitmask, 638023a6964eSMajd Dibbiny MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); 63813e1f000fSParav Pandit MLX5_SET(rqc, rqc, counter_set_id, set_id); 638223a6964eSMajd Dibbiny } else 63835a738b5dSJason Gunthorpe dev_info_once( 63845a738b5dSJason Gunthorpe &dev->ib_dev.dev, 63855a738b5dSJason Gunthorpe "Receive WQ counters are not supported on current FW\n"); 638623a6964eSMajd Dibbiny } 638723a6964eSMajd Dibbiny 6388350d0e4cSYishai Hadas err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); 638979b20a6cSYishai Hadas if (!err) 639079b20a6cSYishai Hadas rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; 639179b20a6cSYishai Hadas 6392b1f74a84SNoa Osherovich out: 6393b1f74a84SNoa Osherovich kvfree(in); 639479b20a6cSYishai Hadas return err; 639579b20a6cSYishai Hadas } 6396d0e84c0aSYishai Hadas 6397d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe { 6398d0e84c0aSYishai Hadas struct ib_cqe cqe; 6399d0e84c0aSYishai Hadas struct completion done; 6400d0e84c0aSYishai Hadas }; 6401d0e84c0aSYishai Hadas 6402d0e84c0aSYishai Hadas static void mlx5_ib_drain_qp_done(struct ib_cq *cq, struct ib_wc *wc) 6403d0e84c0aSYishai Hadas { 6404d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *cqe = container_of(wc->wr_cqe, 6405d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe, 6406d0e84c0aSYishai Hadas cqe); 6407d0e84c0aSYishai Hadas 6408d0e84c0aSYishai Hadas complete(&cqe->done); 6409d0e84c0aSYishai Hadas } 6410d0e84c0aSYishai Hadas 6411d0e84c0aSYishai Hadas /* This function returns only once the drained WR was completed */ 6412d0e84c0aSYishai Hadas static void handle_drain_completion(struct ib_cq *cq, 6413d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe *sdrain, 6414d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev) 6415d0e84c0aSYishai Hadas { 6416d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6417d0e84c0aSYishai Hadas 6418d0e84c0aSYishai Hadas if (cq->poll_ctx == IB_POLL_DIRECT) { 6419d0e84c0aSYishai Hadas while (wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0) 6420d0e84c0aSYishai Hadas ib_process_cq_direct(cq, -1); 6421d0e84c0aSYishai Hadas return; 6422d0e84c0aSYishai Hadas } 6423d0e84c0aSYishai Hadas 6424d0e84c0aSYishai Hadas if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6425d0e84c0aSYishai Hadas struct mlx5_ib_cq *mcq = to_mcq(cq); 6426d0e84c0aSYishai Hadas bool triggered = false; 6427d0e84c0aSYishai Hadas unsigned long flags; 6428d0e84c0aSYishai Hadas 6429d0e84c0aSYishai Hadas spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); 6430d0e84c0aSYishai Hadas /* Make sure that the CQ handler won't run if wasn't run yet */ 6431d0e84c0aSYishai Hadas if (!mcq->mcq.reset_notify_added) 6432d0e84c0aSYishai Hadas mcq->mcq.reset_notify_added = 1; 6433d0e84c0aSYishai Hadas else 6434d0e84c0aSYishai Hadas triggered = true; 6435d0e84c0aSYishai Hadas spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); 6436d0e84c0aSYishai Hadas 6437d0e84c0aSYishai Hadas if (triggered) { 6438d0e84c0aSYishai Hadas /* Wait for any scheduled/running task to be ended */ 6439d0e84c0aSYishai Hadas switch (cq->poll_ctx) { 6440d0e84c0aSYishai Hadas case IB_POLL_SOFTIRQ: 6441d0e84c0aSYishai Hadas irq_poll_disable(&cq->iop); 6442d0e84c0aSYishai Hadas irq_poll_enable(&cq->iop); 6443d0e84c0aSYishai Hadas break; 6444d0e84c0aSYishai Hadas case IB_POLL_WORKQUEUE: 6445d0e84c0aSYishai Hadas cancel_work_sync(&cq->work); 6446d0e84c0aSYishai Hadas break; 6447d0e84c0aSYishai Hadas default: 6448d0e84c0aSYishai Hadas WARN_ON_ONCE(1); 6449d0e84c0aSYishai Hadas } 6450d0e84c0aSYishai Hadas } 6451d0e84c0aSYishai Hadas 6452d0e84c0aSYishai Hadas /* Run the CQ handler - this makes sure that the drain WR will 6453d0e84c0aSYishai Hadas * be processed if wasn't processed yet. 6454d0e84c0aSYishai Hadas */ 64554e0e2ea1SYishai Hadas mcq->mcq.comp(&mcq->mcq, NULL); 6456d0e84c0aSYishai Hadas } 6457d0e84c0aSYishai Hadas 6458d0e84c0aSYishai Hadas wait_for_completion(&sdrain->done); 6459d0e84c0aSYishai Hadas } 6460d0e84c0aSYishai Hadas 6461d0e84c0aSYishai Hadas void mlx5_ib_drain_sq(struct ib_qp *qp) 6462d0e84c0aSYishai Hadas { 6463d0e84c0aSYishai Hadas struct ib_cq *cq = qp->send_cq; 6464d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6465d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe sdrain; 6466d34ac5cdSBart Van Assche const struct ib_send_wr *bad_swr; 6467d0e84c0aSYishai Hadas struct ib_rdma_wr swr = { 6468d0e84c0aSYishai Hadas .wr = { 6469d0e84c0aSYishai Hadas .next = NULL, 6470d0e84c0aSYishai Hadas { .wr_cqe = &sdrain.cqe, }, 6471d0e84c0aSYishai Hadas .opcode = IB_WR_RDMA_WRITE, 6472d0e84c0aSYishai Hadas }, 6473d0e84c0aSYishai Hadas }; 6474d0e84c0aSYishai Hadas int ret; 6475d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6476d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6477d0e84c0aSYishai Hadas 6478d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6479d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6480d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6481d0e84c0aSYishai Hadas return; 6482d0e84c0aSYishai Hadas } 6483d0e84c0aSYishai Hadas 6484d0e84c0aSYishai Hadas sdrain.cqe.done = mlx5_ib_drain_qp_done; 6485d0e84c0aSYishai Hadas init_completion(&sdrain.done); 6486d0e84c0aSYishai Hadas 6487d0e84c0aSYishai Hadas ret = _mlx5_ib_post_send(qp, &swr.wr, &bad_swr, true); 6488d0e84c0aSYishai Hadas if (ret) { 6489d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain send queue: %d\n", ret); 6490d0e84c0aSYishai Hadas return; 6491d0e84c0aSYishai Hadas } 6492d0e84c0aSYishai Hadas 6493d0e84c0aSYishai Hadas handle_drain_completion(cq, &sdrain, dev); 6494d0e84c0aSYishai Hadas } 6495d0e84c0aSYishai Hadas 6496d0e84c0aSYishai Hadas void mlx5_ib_drain_rq(struct ib_qp *qp) 6497d0e84c0aSYishai Hadas { 6498d0e84c0aSYishai Hadas struct ib_cq *cq = qp->recv_cq; 6499d0e84c0aSYishai Hadas struct ib_qp_attr attr = { .qp_state = IB_QPS_ERR }; 6500d0e84c0aSYishai Hadas struct mlx5_ib_drain_cqe rdrain; 6501d34ac5cdSBart Van Assche struct ib_recv_wr rwr = {}; 6502d34ac5cdSBart Van Assche const struct ib_recv_wr *bad_rwr; 6503d0e84c0aSYishai Hadas int ret; 6504d0e84c0aSYishai Hadas struct mlx5_ib_dev *dev = to_mdev(qp->device); 6505d0e84c0aSYishai Hadas struct mlx5_core_dev *mdev = dev->mdev; 6506d0e84c0aSYishai Hadas 6507d0e84c0aSYishai Hadas ret = ib_modify_qp(qp, &attr, IB_QP_STATE); 6508d0e84c0aSYishai Hadas if (ret && mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) { 6509d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6510d0e84c0aSYishai Hadas return; 6511d0e84c0aSYishai Hadas } 6512d0e84c0aSYishai Hadas 6513d0e84c0aSYishai Hadas rwr.wr_cqe = &rdrain.cqe; 6514d0e84c0aSYishai Hadas rdrain.cqe.done = mlx5_ib_drain_qp_done; 6515d0e84c0aSYishai Hadas init_completion(&rdrain.done); 6516d0e84c0aSYishai Hadas 6517d0e84c0aSYishai Hadas ret = _mlx5_ib_post_recv(qp, &rwr, &bad_rwr, true); 6518d0e84c0aSYishai Hadas if (ret) { 6519d0e84c0aSYishai Hadas WARN_ONCE(ret, "failed to drain recv queue: %d\n", ret); 6520d0e84c0aSYishai Hadas return; 6521d0e84c0aSYishai Hadas } 6522d0e84c0aSYishai Hadas 6523d0e84c0aSYishai Hadas handle_drain_completion(cq, &rdrain, dev); 6524d0e84c0aSYishai Hadas } 6525d14133ddSMark Zhang 6526d14133ddSMark Zhang /** 6527d14133ddSMark Zhang * Bind a qp to a counter. If @counter is NULL then bind the qp to 6528d14133ddSMark Zhang * the default counter 6529d14133ddSMark Zhang */ 6530d14133ddSMark Zhang int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter) 6531d14133ddSMark Zhang { 6532d14133ddSMark Zhang struct mlx5_ib_qp *mqp = to_mqp(qp); 6533d14133ddSMark Zhang int err = 0; 6534d14133ddSMark Zhang 6535d14133ddSMark Zhang mutex_lock(&mqp->mutex); 6536d14133ddSMark Zhang if (mqp->state == IB_QPS_RESET) { 6537d14133ddSMark Zhang qp->counter = counter; 6538d14133ddSMark Zhang goto out; 6539d14133ddSMark Zhang } 6540d14133ddSMark Zhang 6541d14133ddSMark Zhang if (mqp->state == IB_QPS_RTS) { 6542d14133ddSMark Zhang err = __mlx5_ib_qp_set_counter(qp, counter); 6543d14133ddSMark Zhang if (!err) 6544d14133ddSMark Zhang qp->counter = counter; 6545d14133ddSMark Zhang 6546d14133ddSMark Zhang goto out; 6547d14133ddSMark Zhang } 6548d14133ddSMark Zhang 6549d14133ddSMark Zhang mqp->counter_pending = 1; 6550d14133ddSMark Zhang qp->counter = counter; 6551d14133ddSMark Zhang 6552d14133ddSMark Zhang out: 6553d14133ddSMark Zhang mutex_unlock(&mqp->mutex); 6554d14133ddSMark Zhang return err; 6555d14133ddSMark Zhang } 6556