xref: /openbmc/linux/drivers/infiniband/hw/mlx5/qp.c (revision b1f74a84)
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>
37e126ba97SEli Cohen #include "mlx5_ib.h"
38e126ba97SEli Cohen 
39e126ba97SEli Cohen /* not supported currently */
40e126ba97SEli Cohen static int wq_signature;
41e126ba97SEli Cohen 
42e126ba97SEli Cohen enum {
43e126ba97SEli Cohen 	MLX5_IB_ACK_REQ_FREQ	= 8,
44e126ba97SEli Cohen };
45e126ba97SEli Cohen 
46e126ba97SEli Cohen enum {
47e126ba97SEli Cohen 	MLX5_IB_DEFAULT_SCHED_QUEUE	= 0x83,
48e126ba97SEli Cohen 	MLX5_IB_DEFAULT_QP0_SCHED_QUEUE	= 0x3f,
49e126ba97SEli Cohen 	MLX5_IB_LINK_TYPE_IB		= 0,
50e126ba97SEli Cohen 	MLX5_IB_LINK_TYPE_ETH		= 1
51e126ba97SEli Cohen };
52e126ba97SEli Cohen 
53e126ba97SEli Cohen enum {
54e126ba97SEli Cohen 	MLX5_IB_SQ_STRIDE	= 6,
55e126ba97SEli Cohen };
56e126ba97SEli Cohen 
57e126ba97SEli Cohen static const u32 mlx5_ib_opcode[] = {
58e126ba97SEli Cohen 	[IB_WR_SEND]				= MLX5_OPCODE_SEND,
59f0313965SErez Shitrit 	[IB_WR_LSO]				= MLX5_OPCODE_LSO,
60e126ba97SEli Cohen 	[IB_WR_SEND_WITH_IMM]			= MLX5_OPCODE_SEND_IMM,
61e126ba97SEli Cohen 	[IB_WR_RDMA_WRITE]			= MLX5_OPCODE_RDMA_WRITE,
62e126ba97SEli Cohen 	[IB_WR_RDMA_WRITE_WITH_IMM]		= MLX5_OPCODE_RDMA_WRITE_IMM,
63e126ba97SEli Cohen 	[IB_WR_RDMA_READ]			= MLX5_OPCODE_RDMA_READ,
64e126ba97SEli Cohen 	[IB_WR_ATOMIC_CMP_AND_SWP]		= MLX5_OPCODE_ATOMIC_CS,
65e126ba97SEli Cohen 	[IB_WR_ATOMIC_FETCH_AND_ADD]		= MLX5_OPCODE_ATOMIC_FA,
66e126ba97SEli Cohen 	[IB_WR_SEND_WITH_INV]			= MLX5_OPCODE_SEND_INVAL,
67e126ba97SEli Cohen 	[IB_WR_LOCAL_INV]			= MLX5_OPCODE_UMR,
688a187ee5SSagi Grimberg 	[IB_WR_REG_MR]				= MLX5_OPCODE_UMR,
69e126ba97SEli Cohen 	[IB_WR_MASKED_ATOMIC_CMP_AND_SWP]	= MLX5_OPCODE_ATOMIC_MASKED_CS,
70e126ba97SEli Cohen 	[IB_WR_MASKED_ATOMIC_FETCH_AND_ADD]	= MLX5_OPCODE_ATOMIC_MASKED_FA,
71e126ba97SEli Cohen 	[MLX5_IB_WR_UMR]			= MLX5_OPCODE_UMR,
72e126ba97SEli Cohen };
73e126ba97SEli Cohen 
74f0313965SErez Shitrit struct mlx5_wqe_eth_pad {
75f0313965SErez Shitrit 	u8 rsvd0[16];
76f0313965SErez Shitrit };
77e126ba97SEli Cohen 
78eb49ab0cSAlex Vesker enum raw_qp_set_mask_map {
79eb49ab0cSAlex Vesker 	MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID		= 1UL << 0,
807d29f349SBodong Wang 	MLX5_RAW_QP_RATE_LIMIT			= 1UL << 1,
81eb49ab0cSAlex Vesker };
82eb49ab0cSAlex Vesker 
830680efa2SAlex Vesker struct mlx5_modify_raw_qp_param {
840680efa2SAlex Vesker 	u16 operation;
85eb49ab0cSAlex Vesker 
86eb49ab0cSAlex Vesker 	u32 set_mask; /* raw_qp_set_mask_map */
877d29f349SBodong Wang 	u32 rate_limit;
88eb49ab0cSAlex Vesker 	u8 rq_q_ctr_id;
890680efa2SAlex Vesker };
900680efa2SAlex Vesker 
9189ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type,
9289ea94a7SMaor Gottlieb 		    struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq,
9389ea94a7SMaor Gottlieb 		    struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq);
9489ea94a7SMaor Gottlieb 
95e126ba97SEli Cohen static int is_qp0(enum ib_qp_type qp_type)
96e126ba97SEli Cohen {
97e126ba97SEli Cohen 	return qp_type == IB_QPT_SMI;
98e126ba97SEli Cohen }
99e126ba97SEli Cohen 
100e126ba97SEli Cohen static int is_sqp(enum ib_qp_type qp_type)
101e126ba97SEli Cohen {
102e126ba97SEli Cohen 	return is_qp0(qp_type) || is_qp1(qp_type);
103e126ba97SEli Cohen }
104e126ba97SEli Cohen 
105e126ba97SEli Cohen static void *get_wqe(struct mlx5_ib_qp *qp, int offset)
106e126ba97SEli Cohen {
107e126ba97SEli Cohen 	return mlx5_buf_offset(&qp->buf, offset);
108e126ba97SEli Cohen }
109e126ba97SEli Cohen 
110e126ba97SEli Cohen static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n)
111e126ba97SEli Cohen {
112e126ba97SEli Cohen 	return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift));
113e126ba97SEli Cohen }
114e126ba97SEli Cohen 
115e126ba97SEli Cohen void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n)
116e126ba97SEli Cohen {
117e126ba97SEli Cohen 	return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE));
118e126ba97SEli Cohen }
119e126ba97SEli Cohen 
120c1395a2aSHaggai Eran /**
121c1395a2aSHaggai Eran  * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space.
122c1395a2aSHaggai Eran  *
123c1395a2aSHaggai Eran  * @qp: QP to copy from.
124c1395a2aSHaggai Eran  * @send: copy from the send queue when non-zero, use the receive queue
125c1395a2aSHaggai Eran  *	  otherwise.
126c1395a2aSHaggai Eran  * @wqe_index:  index to start copying from. For send work queues, the
127c1395a2aSHaggai Eran  *		wqe_index is in units of MLX5_SEND_WQE_BB.
128c1395a2aSHaggai Eran  *		For receive work queue, it is the number of work queue
129c1395a2aSHaggai Eran  *		element in the queue.
130c1395a2aSHaggai Eran  * @buffer: destination buffer.
131c1395a2aSHaggai Eran  * @length: maximum number of bytes to copy.
132c1395a2aSHaggai Eran  *
133c1395a2aSHaggai Eran  * Copies at least a single WQE, but may copy more data.
134c1395a2aSHaggai Eran  *
135c1395a2aSHaggai Eran  * Return: the number of bytes copied, or an error code.
136c1395a2aSHaggai Eran  */
137c1395a2aSHaggai Eran int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index,
13819098df2Smajd@mellanox.com 			  void *buffer, u32 length,
13919098df2Smajd@mellanox.com 			  struct mlx5_ib_qp_base *base)
140c1395a2aSHaggai Eran {
141c1395a2aSHaggai Eran 	struct ib_device *ibdev = qp->ibqp.device;
142c1395a2aSHaggai Eran 	struct mlx5_ib_dev *dev = to_mdev(ibdev);
143c1395a2aSHaggai Eran 	struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq;
144c1395a2aSHaggai Eran 	size_t offset;
145c1395a2aSHaggai Eran 	size_t wq_end;
14619098df2Smajd@mellanox.com 	struct ib_umem *umem = base->ubuffer.umem;
147c1395a2aSHaggai Eran 	u32 first_copy_length;
148c1395a2aSHaggai Eran 	int wqe_length;
149c1395a2aSHaggai Eran 	int ret;
150c1395a2aSHaggai Eran 
151c1395a2aSHaggai Eran 	if (wq->wqe_cnt == 0) {
152c1395a2aSHaggai Eran 		mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n",
153c1395a2aSHaggai Eran 			    qp->ibqp.qp_type);
154c1395a2aSHaggai Eran 		return -EINVAL;
155c1395a2aSHaggai Eran 	}
156c1395a2aSHaggai Eran 
157c1395a2aSHaggai Eran 	offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift);
158c1395a2aSHaggai Eran 	wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift);
159c1395a2aSHaggai Eran 
160c1395a2aSHaggai Eran 	if (send && length < sizeof(struct mlx5_wqe_ctrl_seg))
161c1395a2aSHaggai Eran 		return -EINVAL;
162c1395a2aSHaggai Eran 
163c1395a2aSHaggai Eran 	if (offset > umem->length ||
164c1395a2aSHaggai Eran 	    (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length))
165c1395a2aSHaggai Eran 		return -EINVAL;
166c1395a2aSHaggai Eran 
167c1395a2aSHaggai Eran 	first_copy_length = min_t(u32, offset + length, wq_end) - offset;
168c1395a2aSHaggai Eran 	ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length);
169c1395a2aSHaggai Eran 	if (ret)
170c1395a2aSHaggai Eran 		return ret;
171c1395a2aSHaggai Eran 
172c1395a2aSHaggai Eran 	if (send) {
173c1395a2aSHaggai Eran 		struct mlx5_wqe_ctrl_seg *ctrl = buffer;
174c1395a2aSHaggai Eran 		int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK;
175c1395a2aSHaggai Eran 
176c1395a2aSHaggai Eran 		wqe_length = ds * MLX5_WQE_DS_UNITS;
177c1395a2aSHaggai Eran 	} else {
178c1395a2aSHaggai Eran 		wqe_length = 1 << wq->wqe_shift;
179c1395a2aSHaggai Eran 	}
180c1395a2aSHaggai Eran 
181c1395a2aSHaggai Eran 	if (wqe_length <= first_copy_length)
182c1395a2aSHaggai Eran 		return first_copy_length;
183c1395a2aSHaggai Eran 
184c1395a2aSHaggai Eran 	ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset,
185c1395a2aSHaggai Eran 				wqe_length - first_copy_length);
186c1395a2aSHaggai Eran 	if (ret)
187c1395a2aSHaggai Eran 		return ret;
188c1395a2aSHaggai Eran 
189c1395a2aSHaggai Eran 	return wqe_length;
190c1395a2aSHaggai Eran }
191c1395a2aSHaggai Eran 
192e126ba97SEli Cohen static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type)
193e126ba97SEli Cohen {
194e126ba97SEli Cohen 	struct ib_qp *ibqp = &to_mibqp(qp)->ibqp;
195e126ba97SEli Cohen 	struct ib_event event;
196e126ba97SEli Cohen 
19719098df2Smajd@mellanox.com 	if (type == MLX5_EVENT_TYPE_PATH_MIG) {
19819098df2Smajd@mellanox.com 		/* This event is only valid for trans_qps */
19919098df2Smajd@mellanox.com 		to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port;
20019098df2Smajd@mellanox.com 	}
201e126ba97SEli Cohen 
202e126ba97SEli Cohen 	if (ibqp->event_handler) {
203e126ba97SEli Cohen 		event.device     = ibqp->device;
204e126ba97SEli Cohen 		event.element.qp = ibqp;
205e126ba97SEli Cohen 		switch (type) {
206e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_PATH_MIG:
207e126ba97SEli Cohen 			event.event = IB_EVENT_PATH_MIG;
208e126ba97SEli Cohen 			break;
209e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_COMM_EST:
210e126ba97SEli Cohen 			event.event = IB_EVENT_COMM_EST;
211e126ba97SEli Cohen 			break;
212e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_SQ_DRAINED:
213e126ba97SEli Cohen 			event.event = IB_EVENT_SQ_DRAINED;
214e126ba97SEli Cohen 			break;
215e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_SRQ_LAST_WQE:
216e126ba97SEli Cohen 			event.event = IB_EVENT_QP_LAST_WQE_REACHED;
217e126ba97SEli Cohen 			break;
218e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_WQ_CATAS_ERROR:
219e126ba97SEli Cohen 			event.event = IB_EVENT_QP_FATAL;
220e126ba97SEli Cohen 			break;
221e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_PATH_MIG_FAILED:
222e126ba97SEli Cohen 			event.event = IB_EVENT_PATH_MIG_ERR;
223e126ba97SEli Cohen 			break;
224e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR:
225e126ba97SEli Cohen 			event.event = IB_EVENT_QP_REQ_ERR;
226e126ba97SEli Cohen 			break;
227e126ba97SEli Cohen 		case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR:
228e126ba97SEli Cohen 			event.event = IB_EVENT_QP_ACCESS_ERR;
229e126ba97SEli Cohen 			break;
230e126ba97SEli Cohen 		default:
231e126ba97SEli Cohen 			pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn);
232e126ba97SEli Cohen 			return;
233e126ba97SEli Cohen 		}
234e126ba97SEli Cohen 
235e126ba97SEli Cohen 		ibqp->event_handler(&event, ibqp->qp_context);
236e126ba97SEli Cohen 	}
237e126ba97SEli Cohen }
238e126ba97SEli Cohen 
239e126ba97SEli Cohen static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap,
240e126ba97SEli Cohen 		       int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd)
241e126ba97SEli Cohen {
242e126ba97SEli Cohen 	int wqe_size;
243e126ba97SEli Cohen 	int wq_size;
244e126ba97SEli Cohen 
245e126ba97SEli Cohen 	/* Sanity check RQ size before proceeding */
246938fe83cSSaeed Mahameed 	if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)))
247e126ba97SEli Cohen 		return -EINVAL;
248e126ba97SEli Cohen 
249e126ba97SEli Cohen 	if (!has_rq) {
250e126ba97SEli Cohen 		qp->rq.max_gs = 0;
251e126ba97SEli Cohen 		qp->rq.wqe_cnt = 0;
252e126ba97SEli Cohen 		qp->rq.wqe_shift = 0;
2530540d814SNoa Osherovich 		cap->max_recv_wr = 0;
2540540d814SNoa Osherovich 		cap->max_recv_sge = 0;
255e126ba97SEli Cohen 	} else {
256e126ba97SEli Cohen 		if (ucmd) {
257e126ba97SEli Cohen 			qp->rq.wqe_cnt = ucmd->rq_wqe_count;
258e126ba97SEli Cohen 			qp->rq.wqe_shift = ucmd->rq_wqe_shift;
259e126ba97SEli Cohen 			qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig;
260e126ba97SEli Cohen 			qp->rq.max_post = qp->rq.wqe_cnt;
261e126ba97SEli Cohen 		} else {
262e126ba97SEli Cohen 			wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0;
263e126ba97SEli Cohen 			wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg);
264e126ba97SEli Cohen 			wqe_size = roundup_pow_of_two(wqe_size);
265e126ba97SEli Cohen 			wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size;
266e126ba97SEli Cohen 			wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB);
267e126ba97SEli Cohen 			qp->rq.wqe_cnt = wq_size / wqe_size;
268938fe83cSSaeed Mahameed 			if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) {
269e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "wqe_size %d, max %d\n",
270e126ba97SEli Cohen 					    wqe_size,
271938fe83cSSaeed Mahameed 					    MLX5_CAP_GEN(dev->mdev,
272938fe83cSSaeed Mahameed 							 max_wqe_sz_rq));
273e126ba97SEli Cohen 				return -EINVAL;
274e126ba97SEli Cohen 			}
275e126ba97SEli Cohen 			qp->rq.wqe_shift = ilog2(wqe_size);
276e126ba97SEli Cohen 			qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig;
277e126ba97SEli Cohen 			qp->rq.max_post = qp->rq.wqe_cnt;
278e126ba97SEli Cohen 		}
279e126ba97SEli Cohen 	}
280e126ba97SEli Cohen 
281e126ba97SEli Cohen 	return 0;
282e126ba97SEli Cohen }
283e126ba97SEli Cohen 
284f0313965SErez Shitrit static int sq_overhead(struct ib_qp_init_attr *attr)
285e126ba97SEli Cohen {
286618af384SAndi Shyti 	int size = 0;
287e126ba97SEli Cohen 
288f0313965SErez Shitrit 	switch (attr->qp_type) {
289e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
290b125a54bSEli Cohen 		size += sizeof(struct mlx5_wqe_xrc_seg);
291e126ba97SEli Cohen 		/* fall through */
292e126ba97SEli Cohen 	case IB_QPT_RC:
293e126ba97SEli Cohen 		size += sizeof(struct mlx5_wqe_ctrl_seg) +
29475c1657eSLeon Romanovsky 			max(sizeof(struct mlx5_wqe_atomic_seg) +
29575c1657eSLeon Romanovsky 			    sizeof(struct mlx5_wqe_raddr_seg),
29675c1657eSLeon Romanovsky 			    sizeof(struct mlx5_wqe_umr_ctrl_seg) +
29775c1657eSLeon Romanovsky 			    sizeof(struct mlx5_mkey_seg));
298e126ba97SEli Cohen 		break;
299e126ba97SEli Cohen 
300b125a54bSEli Cohen 	case IB_QPT_XRC_TGT:
301b125a54bSEli Cohen 		return 0;
302b125a54bSEli Cohen 
303e126ba97SEli Cohen 	case IB_QPT_UC:
304b125a54bSEli Cohen 		size += sizeof(struct mlx5_wqe_ctrl_seg) +
30575c1657eSLeon Romanovsky 			max(sizeof(struct mlx5_wqe_raddr_seg),
3069e65dc37SEli Cohen 			    sizeof(struct mlx5_wqe_umr_ctrl_seg) +
30775c1657eSLeon Romanovsky 			    sizeof(struct mlx5_mkey_seg));
308e126ba97SEli Cohen 		break;
309e126ba97SEli Cohen 
310e126ba97SEli Cohen 	case IB_QPT_UD:
311f0313965SErez Shitrit 		if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)
312f0313965SErez Shitrit 			size += sizeof(struct mlx5_wqe_eth_pad) +
313f0313965SErez Shitrit 				sizeof(struct mlx5_wqe_eth_seg);
314f0313965SErez Shitrit 		/* fall through */
315e126ba97SEli Cohen 	case IB_QPT_SMI:
316d16e91daSHaggai Eran 	case MLX5_IB_QPT_HW_GSI:
317b125a54bSEli Cohen 		size += sizeof(struct mlx5_wqe_ctrl_seg) +
318e126ba97SEli Cohen 			sizeof(struct mlx5_wqe_datagram_seg);
319e126ba97SEli Cohen 		break;
320e126ba97SEli Cohen 
321e126ba97SEli Cohen 	case MLX5_IB_QPT_REG_UMR:
322b125a54bSEli Cohen 		size += sizeof(struct mlx5_wqe_ctrl_seg) +
323e126ba97SEli Cohen 			sizeof(struct mlx5_wqe_umr_ctrl_seg) +
324e126ba97SEli Cohen 			sizeof(struct mlx5_mkey_seg);
325e126ba97SEli Cohen 		break;
326e126ba97SEli Cohen 
327e126ba97SEli Cohen 	default:
328e126ba97SEli Cohen 		return -EINVAL;
329e126ba97SEli Cohen 	}
330e126ba97SEli Cohen 
331e126ba97SEli Cohen 	return size;
332e126ba97SEli Cohen }
333e126ba97SEli Cohen 
334e126ba97SEli Cohen static int calc_send_wqe(struct ib_qp_init_attr *attr)
335e126ba97SEli Cohen {
336e126ba97SEli Cohen 	int inl_size = 0;
337e126ba97SEli Cohen 	int size;
338e126ba97SEli Cohen 
339f0313965SErez Shitrit 	size = sq_overhead(attr);
340e126ba97SEli Cohen 	if (size < 0)
341e126ba97SEli Cohen 		return size;
342e126ba97SEli Cohen 
343e126ba97SEli Cohen 	if (attr->cap.max_inline_data) {
344e126ba97SEli Cohen 		inl_size = size + sizeof(struct mlx5_wqe_inline_seg) +
345e126ba97SEli Cohen 			attr->cap.max_inline_data;
346e126ba97SEli Cohen 	}
347e126ba97SEli Cohen 
348e126ba97SEli Cohen 	size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg);
349e1e66cc2SSagi Grimberg 	if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN &&
350e1e66cc2SSagi Grimberg 	    ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE)
351e1e66cc2SSagi Grimberg 			return MLX5_SIG_WQE_SIZE;
352e1e66cc2SSagi Grimberg 	else
353e126ba97SEli Cohen 		return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB);
354e126ba97SEli Cohen }
355e126ba97SEli Cohen 
356288c01b7SEli Cohen static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size)
357288c01b7SEli Cohen {
358288c01b7SEli Cohen 	int max_sge;
359288c01b7SEli Cohen 
360288c01b7SEli Cohen 	if (attr->qp_type == IB_QPT_RC)
361288c01b7SEli Cohen 		max_sge = (min_t(int, wqe_size, 512) -
362288c01b7SEli Cohen 			   sizeof(struct mlx5_wqe_ctrl_seg) -
363288c01b7SEli Cohen 			   sizeof(struct mlx5_wqe_raddr_seg)) /
364288c01b7SEli Cohen 			sizeof(struct mlx5_wqe_data_seg);
365288c01b7SEli Cohen 	else if (attr->qp_type == IB_QPT_XRC_INI)
366288c01b7SEli Cohen 		max_sge = (min_t(int, wqe_size, 512) -
367288c01b7SEli Cohen 			   sizeof(struct mlx5_wqe_ctrl_seg) -
368288c01b7SEli Cohen 			   sizeof(struct mlx5_wqe_xrc_seg) -
369288c01b7SEli Cohen 			   sizeof(struct mlx5_wqe_raddr_seg)) /
370288c01b7SEli Cohen 			sizeof(struct mlx5_wqe_data_seg);
371288c01b7SEli Cohen 	else
372288c01b7SEli Cohen 		max_sge = (wqe_size - sq_overhead(attr)) /
373288c01b7SEli Cohen 			sizeof(struct mlx5_wqe_data_seg);
374288c01b7SEli Cohen 
375288c01b7SEli Cohen 	return min_t(int, max_sge, wqe_size - sq_overhead(attr) /
376288c01b7SEli Cohen 		     sizeof(struct mlx5_wqe_data_seg));
377288c01b7SEli Cohen }
378288c01b7SEli Cohen 
379e126ba97SEli Cohen static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
380e126ba97SEli Cohen 			struct mlx5_ib_qp *qp)
381e126ba97SEli Cohen {
382e126ba97SEli Cohen 	int wqe_size;
383e126ba97SEli Cohen 	int wq_size;
384e126ba97SEli Cohen 
385e126ba97SEli Cohen 	if (!attr->cap.max_send_wr)
386e126ba97SEli Cohen 		return 0;
387e126ba97SEli Cohen 
388e126ba97SEli Cohen 	wqe_size = calc_send_wqe(attr);
389e126ba97SEli Cohen 	mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size);
390e126ba97SEli Cohen 	if (wqe_size < 0)
391e126ba97SEli Cohen 		return wqe_size;
392e126ba97SEli Cohen 
393938fe83cSSaeed Mahameed 	if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) {
394b125a54bSEli Cohen 		mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n",
395938fe83cSSaeed Mahameed 			    wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq));
396e126ba97SEli Cohen 		return -EINVAL;
397e126ba97SEli Cohen 	}
398e126ba97SEli Cohen 
399f0313965SErez Shitrit 	qp->max_inline_data = wqe_size - sq_overhead(attr) -
400e126ba97SEli Cohen 			      sizeof(struct mlx5_wqe_inline_seg);
401e126ba97SEli Cohen 	attr->cap.max_inline_data = qp->max_inline_data;
402e126ba97SEli Cohen 
403e1e66cc2SSagi Grimberg 	if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN)
404e1e66cc2SSagi Grimberg 		qp->signature_en = true;
405e1e66cc2SSagi Grimberg 
406e126ba97SEli Cohen 	wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size);
407e126ba97SEli Cohen 	qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB;
408938fe83cSSaeed Mahameed 	if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) {
4091974ab9dSBart Van Assche 		mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n",
4101974ab9dSBart Van Assche 			    attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB,
411938fe83cSSaeed Mahameed 			    qp->sq.wqe_cnt,
412938fe83cSSaeed Mahameed 			    1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz));
413b125a54bSEli Cohen 		return -ENOMEM;
414b125a54bSEli Cohen 	}
415e126ba97SEli Cohen 	qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
416288c01b7SEli Cohen 	qp->sq.max_gs = get_send_sge(attr, wqe_size);
417288c01b7SEli Cohen 	if (qp->sq.max_gs < attr->cap.max_send_sge)
418288c01b7SEli Cohen 		return -ENOMEM;
419288c01b7SEli Cohen 
420288c01b7SEli Cohen 	attr->cap.max_send_sge = qp->sq.max_gs;
421b125a54bSEli Cohen 	qp->sq.max_post = wq_size / wqe_size;
422b125a54bSEli Cohen 	attr->cap.max_send_wr = qp->sq.max_post;
423e126ba97SEli Cohen 
424e126ba97SEli Cohen 	return wq_size;
425e126ba97SEli Cohen }
426e126ba97SEli Cohen 
427e126ba97SEli Cohen static int set_user_buf_size(struct mlx5_ib_dev *dev,
428e126ba97SEli Cohen 			    struct mlx5_ib_qp *qp,
42919098df2Smajd@mellanox.com 			    struct mlx5_ib_create_qp *ucmd,
4300fb2ed66Smajd@mellanox.com 			    struct mlx5_ib_qp_base *base,
4310fb2ed66Smajd@mellanox.com 			    struct ib_qp_init_attr *attr)
432e126ba97SEli Cohen {
433e126ba97SEli Cohen 	int desc_sz = 1 << qp->sq.wqe_shift;
434e126ba97SEli Cohen 
435938fe83cSSaeed Mahameed 	if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) {
436e126ba97SEli Cohen 		mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n",
437938fe83cSSaeed Mahameed 			     desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq));
438e126ba97SEli Cohen 		return -EINVAL;
439e126ba97SEli Cohen 	}
440e126ba97SEli Cohen 
441e126ba97SEli Cohen 	if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) {
442e126ba97SEli Cohen 		mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n",
443e126ba97SEli Cohen 			     ucmd->sq_wqe_count, ucmd->sq_wqe_count);
444e126ba97SEli Cohen 		return -EINVAL;
445e126ba97SEli Cohen 	}
446e126ba97SEli Cohen 
447e126ba97SEli Cohen 	qp->sq.wqe_cnt = ucmd->sq_wqe_count;
448e126ba97SEli Cohen 
449938fe83cSSaeed Mahameed 	if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) {
450e126ba97SEli Cohen 		mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n",
451938fe83cSSaeed Mahameed 			     qp->sq.wqe_cnt,
452938fe83cSSaeed Mahameed 			     1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz));
453e126ba97SEli Cohen 		return -EINVAL;
454e126ba97SEli Cohen 	}
455e126ba97SEli Cohen 
4560fb2ed66Smajd@mellanox.com 	if (attr->qp_type == IB_QPT_RAW_PACKET) {
4570fb2ed66Smajd@mellanox.com 		base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift;
4580fb2ed66Smajd@mellanox.com 		qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6;
4590fb2ed66Smajd@mellanox.com 	} else {
46019098df2Smajd@mellanox.com 		base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) +
461e126ba97SEli Cohen 					 (qp->sq.wqe_cnt << 6);
4620fb2ed66Smajd@mellanox.com 	}
463e126ba97SEli Cohen 
464e126ba97SEli Cohen 	return 0;
465e126ba97SEli Cohen }
466e126ba97SEli Cohen 
467e126ba97SEli Cohen static int qp_has_rq(struct ib_qp_init_attr *attr)
468e126ba97SEli Cohen {
469e126ba97SEli Cohen 	if (attr->qp_type == IB_QPT_XRC_INI ||
470e126ba97SEli Cohen 	    attr->qp_type == IB_QPT_XRC_TGT || attr->srq ||
471e126ba97SEli Cohen 	    attr->qp_type == MLX5_IB_QPT_REG_UMR ||
472e126ba97SEli Cohen 	    !attr->cap.max_recv_wr)
473e126ba97SEli Cohen 		return 0;
474e126ba97SEli Cohen 
475e126ba97SEli Cohen 	return 1;
476e126ba97SEli Cohen }
477e126ba97SEli Cohen 
4782f5ff264SEli Cohen static int first_med_bfreg(void)
479c1be5232SEli Cohen {
480c1be5232SEli Cohen 	return 1;
481c1be5232SEli Cohen }
482c1be5232SEli Cohen 
4830b80c14fSEli Cohen enum {
4840b80c14fSEli Cohen 	/* this is the first blue flame register in the array of bfregs assigned
4850b80c14fSEli Cohen 	 * to a processes. Since we do not use it for blue flame but rather
4860b80c14fSEli Cohen 	 * regular 64 bit doorbells, we do not need a lock for maintaiing
4870b80c14fSEli Cohen 	 * "odd/even" order
4880b80c14fSEli Cohen 	 */
4890b80c14fSEli Cohen 	NUM_NON_BLUE_FLAME_BFREGS = 1,
4900b80c14fSEli Cohen };
4910b80c14fSEli Cohen 
492b037c29aSEli Cohen static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi)
493b037c29aSEli Cohen {
494b037c29aSEli Cohen 	return get_num_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR;
495b037c29aSEli Cohen }
496b037c29aSEli Cohen 
497b037c29aSEli Cohen static int num_med_bfreg(struct mlx5_ib_dev *dev,
498b037c29aSEli Cohen 			 struct mlx5_bfreg_info *bfregi)
499c1be5232SEli Cohen {
500c1be5232SEli Cohen 	int n;
501c1be5232SEli Cohen 
502b037c29aSEli Cohen 	n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs -
503b037c29aSEli Cohen 	    NUM_NON_BLUE_FLAME_BFREGS;
504c1be5232SEli Cohen 
505c1be5232SEli Cohen 	return n >= 0 ? n : 0;
506c1be5232SEli Cohen }
507c1be5232SEli Cohen 
508b037c29aSEli Cohen static int first_hi_bfreg(struct mlx5_ib_dev *dev,
509b037c29aSEli Cohen 			  struct mlx5_bfreg_info *bfregi)
510c1be5232SEli Cohen {
511c1be5232SEli Cohen 	int med;
512c1be5232SEli Cohen 
513b037c29aSEli Cohen 	med = num_med_bfreg(dev, bfregi);
514b037c29aSEli Cohen 	return ++med;
515c1be5232SEli Cohen }
516c1be5232SEli Cohen 
517b037c29aSEli Cohen static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev,
518b037c29aSEli Cohen 				  struct mlx5_bfreg_info *bfregi)
519e126ba97SEli Cohen {
520e126ba97SEli Cohen 	int i;
521e126ba97SEli Cohen 
522b037c29aSEli Cohen 	for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) {
523b037c29aSEli Cohen 		if (!bfregi->count[i]) {
5242f5ff264SEli Cohen 			bfregi->count[i]++;
525e126ba97SEli Cohen 			return i;
526e126ba97SEli Cohen 		}
527e126ba97SEli Cohen 	}
528e126ba97SEli Cohen 
529e126ba97SEli Cohen 	return -ENOMEM;
530e126ba97SEli Cohen }
531e126ba97SEli Cohen 
532b037c29aSEli Cohen static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev,
533b037c29aSEli Cohen 				 struct mlx5_bfreg_info *bfregi)
534e126ba97SEli Cohen {
5352f5ff264SEli Cohen 	int minidx = first_med_bfreg();
536e126ba97SEli Cohen 	int i;
537e126ba97SEli Cohen 
538b037c29aSEli Cohen 	for (i = first_med_bfreg(); i < first_hi_bfreg(dev, bfregi); i++) {
5392f5ff264SEli Cohen 		if (bfregi->count[i] < bfregi->count[minidx])
540e126ba97SEli Cohen 			minidx = i;
5410b80c14fSEli Cohen 		if (!bfregi->count[minidx])
5420b80c14fSEli Cohen 			break;
543e126ba97SEli Cohen 	}
544e126ba97SEli Cohen 
5452f5ff264SEli Cohen 	bfregi->count[minidx]++;
546e126ba97SEli Cohen 	return minidx;
547e126ba97SEli Cohen }
548e126ba97SEli Cohen 
549b037c29aSEli Cohen static int alloc_bfreg(struct mlx5_ib_dev *dev,
550b037c29aSEli Cohen 		       struct mlx5_bfreg_info *bfregi,
551e126ba97SEli Cohen 		       enum mlx5_ib_latency_class lat)
552e126ba97SEli Cohen {
5532f5ff264SEli Cohen 	int bfregn = -EINVAL;
554e126ba97SEli Cohen 
5552f5ff264SEli Cohen 	mutex_lock(&bfregi->lock);
556e126ba97SEli Cohen 	switch (lat) {
557e126ba97SEli Cohen 	case MLX5_IB_LATENCY_CLASS_LOW:
5580b80c14fSEli Cohen 		BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1);
5592f5ff264SEli Cohen 		bfregn = 0;
5602f5ff264SEli Cohen 		bfregi->count[bfregn]++;
561e126ba97SEli Cohen 		break;
562e126ba97SEli Cohen 
563e126ba97SEli Cohen 	case MLX5_IB_LATENCY_CLASS_MEDIUM:
5642f5ff264SEli Cohen 		if (bfregi->ver < 2)
5652f5ff264SEli Cohen 			bfregn = -ENOMEM;
56678c0f98cSEli Cohen 		else
567b037c29aSEli Cohen 			bfregn = alloc_med_class_bfreg(dev, bfregi);
568e126ba97SEli Cohen 		break;
569e126ba97SEli Cohen 
570e126ba97SEli Cohen 	case MLX5_IB_LATENCY_CLASS_HIGH:
5712f5ff264SEli Cohen 		if (bfregi->ver < 2)
5722f5ff264SEli Cohen 			bfregn = -ENOMEM;
57378c0f98cSEli Cohen 		else
574b037c29aSEli Cohen 			bfregn = alloc_high_class_bfreg(dev, bfregi);
575e126ba97SEli Cohen 		break;
576e126ba97SEli Cohen 	}
5772f5ff264SEli Cohen 	mutex_unlock(&bfregi->lock);
578e126ba97SEli Cohen 
5792f5ff264SEli Cohen 	return bfregn;
580e126ba97SEli Cohen }
581e126ba97SEli Cohen 
582b037c29aSEli Cohen static void free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn)
583e126ba97SEli Cohen {
5842f5ff264SEli Cohen 	mutex_lock(&bfregi->lock);
585b037c29aSEli Cohen 	bfregi->count[bfregn]--;
5862f5ff264SEli Cohen 	mutex_unlock(&bfregi->lock);
587e126ba97SEli Cohen }
588e126ba97SEli Cohen 
589e126ba97SEli Cohen static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state)
590e126ba97SEli Cohen {
591e126ba97SEli Cohen 	switch (state) {
592e126ba97SEli Cohen 	case IB_QPS_RESET:	return MLX5_QP_STATE_RST;
593e126ba97SEli Cohen 	case IB_QPS_INIT:	return MLX5_QP_STATE_INIT;
594e126ba97SEli Cohen 	case IB_QPS_RTR:	return MLX5_QP_STATE_RTR;
595e126ba97SEli Cohen 	case IB_QPS_RTS:	return MLX5_QP_STATE_RTS;
596e126ba97SEli Cohen 	case IB_QPS_SQD:	return MLX5_QP_STATE_SQD;
597e126ba97SEli Cohen 	case IB_QPS_SQE:	return MLX5_QP_STATE_SQER;
598e126ba97SEli Cohen 	case IB_QPS_ERR:	return MLX5_QP_STATE_ERR;
599e126ba97SEli Cohen 	default:		return -1;
600e126ba97SEli Cohen 	}
601e126ba97SEli Cohen }
602e126ba97SEli Cohen 
603e126ba97SEli Cohen static int to_mlx5_st(enum ib_qp_type type)
604e126ba97SEli Cohen {
605e126ba97SEli Cohen 	switch (type) {
606e126ba97SEli Cohen 	case IB_QPT_RC:			return MLX5_QP_ST_RC;
607e126ba97SEli Cohen 	case IB_QPT_UC:			return MLX5_QP_ST_UC;
608e126ba97SEli Cohen 	case IB_QPT_UD:			return MLX5_QP_ST_UD;
609e126ba97SEli Cohen 	case MLX5_IB_QPT_REG_UMR:	return MLX5_QP_ST_REG_UMR;
610e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
611e126ba97SEli Cohen 	case IB_QPT_XRC_TGT:		return MLX5_QP_ST_XRC;
612e126ba97SEli Cohen 	case IB_QPT_SMI:		return MLX5_QP_ST_QP0;
613d16e91daSHaggai Eran 	case MLX5_IB_QPT_HW_GSI:	return MLX5_QP_ST_QP1;
614e126ba97SEli Cohen 	case IB_QPT_RAW_IPV6:		return MLX5_QP_ST_RAW_IPV6;
615e126ba97SEli Cohen 	case IB_QPT_RAW_PACKET:
6160fb2ed66Smajd@mellanox.com 	case IB_QPT_RAW_ETHERTYPE:	return MLX5_QP_ST_RAW_ETHERTYPE;
617e126ba97SEli Cohen 	case IB_QPT_MAX:
618e126ba97SEli Cohen 	default:		return -EINVAL;
619e126ba97SEli Cohen 	}
620e126ba97SEli Cohen }
621e126ba97SEli Cohen 
62289ea94a7SMaor Gottlieb static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq,
62389ea94a7SMaor Gottlieb 			     struct mlx5_ib_cq *recv_cq);
62489ea94a7SMaor Gottlieb static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq,
62589ea94a7SMaor Gottlieb 			       struct mlx5_ib_cq *recv_cq);
62689ea94a7SMaor Gottlieb 
627b037c29aSEli Cohen static int bfregn_to_uar_index(struct mlx5_ib_dev *dev,
628b037c29aSEli Cohen 			       struct mlx5_bfreg_info *bfregi, int bfregn)
629e126ba97SEli Cohen {
630b037c29aSEli Cohen 	int bfregs_per_sys_page;
631b037c29aSEli Cohen 	int index_of_sys_page;
632b037c29aSEli Cohen 	int offset;
633b037c29aSEli Cohen 
634b037c29aSEli Cohen 	bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) *
635b037c29aSEli Cohen 				MLX5_NON_FP_BFREGS_PER_UAR;
636b037c29aSEli Cohen 	index_of_sys_page = bfregn / bfregs_per_sys_page;
637b037c29aSEli Cohen 
638b037c29aSEli Cohen 	offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR;
639b037c29aSEli Cohen 
640b037c29aSEli Cohen 	return bfregi->sys_pages[index_of_sys_page] + offset;
641e126ba97SEli Cohen }
642e126ba97SEli Cohen 
64319098df2Smajd@mellanox.com static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev,
64419098df2Smajd@mellanox.com 			    struct ib_pd *pd,
64519098df2Smajd@mellanox.com 			    unsigned long addr, size_t size,
64619098df2Smajd@mellanox.com 			    struct ib_umem **umem,
64719098df2Smajd@mellanox.com 			    int *npages, int *page_shift, int *ncont,
64819098df2Smajd@mellanox.com 			    u32 *offset)
64919098df2Smajd@mellanox.com {
65019098df2Smajd@mellanox.com 	int err;
65119098df2Smajd@mellanox.com 
65219098df2Smajd@mellanox.com 	*umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0);
65319098df2Smajd@mellanox.com 	if (IS_ERR(*umem)) {
65419098df2Smajd@mellanox.com 		mlx5_ib_dbg(dev, "umem_get failed\n");
65519098df2Smajd@mellanox.com 		return PTR_ERR(*umem);
65619098df2Smajd@mellanox.com 	}
65719098df2Smajd@mellanox.com 
658762f899aSMajd Dibbiny 	mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL);
65919098df2Smajd@mellanox.com 
66019098df2Smajd@mellanox.com 	err = mlx5_ib_get_buf_offset(addr, *page_shift, offset);
66119098df2Smajd@mellanox.com 	if (err) {
66219098df2Smajd@mellanox.com 		mlx5_ib_warn(dev, "bad offset\n");
66319098df2Smajd@mellanox.com 		goto err_umem;
66419098df2Smajd@mellanox.com 	}
66519098df2Smajd@mellanox.com 
66619098df2Smajd@mellanox.com 	mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n",
66719098df2Smajd@mellanox.com 		    addr, size, *npages, *page_shift, *ncont, *offset);
66819098df2Smajd@mellanox.com 
66919098df2Smajd@mellanox.com 	return 0;
67019098df2Smajd@mellanox.com 
67119098df2Smajd@mellanox.com err_umem:
67219098df2Smajd@mellanox.com 	ib_umem_release(*umem);
67319098df2Smajd@mellanox.com 	*umem = NULL;
67419098df2Smajd@mellanox.com 
67519098df2Smajd@mellanox.com 	return err;
67619098df2Smajd@mellanox.com }
67719098df2Smajd@mellanox.com 
67879b20a6cSYishai Hadas static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq)
67979b20a6cSYishai Hadas {
68079b20a6cSYishai Hadas 	struct mlx5_ib_ucontext *context;
68179b20a6cSYishai Hadas 
68279b20a6cSYishai Hadas 	context = to_mucontext(pd->uobject->context);
68379b20a6cSYishai Hadas 	mlx5_ib_db_unmap_user(context, &rwq->db);
68479b20a6cSYishai Hadas 	if (rwq->umem)
68579b20a6cSYishai Hadas 		ib_umem_release(rwq->umem);
68679b20a6cSYishai Hadas }
68779b20a6cSYishai Hadas 
68879b20a6cSYishai Hadas static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd,
68979b20a6cSYishai Hadas 			  struct mlx5_ib_rwq *rwq,
69079b20a6cSYishai Hadas 			  struct mlx5_ib_create_wq *ucmd)
69179b20a6cSYishai Hadas {
69279b20a6cSYishai Hadas 	struct mlx5_ib_ucontext *context;
69379b20a6cSYishai Hadas 	int page_shift = 0;
69479b20a6cSYishai Hadas 	int npages;
69579b20a6cSYishai Hadas 	u32 offset = 0;
69679b20a6cSYishai Hadas 	int ncont = 0;
69779b20a6cSYishai Hadas 	int err;
69879b20a6cSYishai Hadas 
69979b20a6cSYishai Hadas 	if (!ucmd->buf_addr)
70079b20a6cSYishai Hadas 		return -EINVAL;
70179b20a6cSYishai Hadas 
70279b20a6cSYishai Hadas 	context = to_mucontext(pd->uobject->context);
70379b20a6cSYishai Hadas 	rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr,
70479b20a6cSYishai Hadas 			       rwq->buf_size, 0, 0);
70579b20a6cSYishai Hadas 	if (IS_ERR(rwq->umem)) {
70679b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "umem_get failed\n");
70779b20a6cSYishai Hadas 		err = PTR_ERR(rwq->umem);
70879b20a6cSYishai Hadas 		return err;
70979b20a6cSYishai Hadas 	}
71079b20a6cSYishai Hadas 
711762f899aSMajd Dibbiny 	mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift,
71279b20a6cSYishai Hadas 			   &ncont, NULL);
71379b20a6cSYishai Hadas 	err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift,
71479b20a6cSYishai Hadas 				     &rwq->rq_page_offset);
71579b20a6cSYishai Hadas 	if (err) {
71679b20a6cSYishai Hadas 		mlx5_ib_warn(dev, "bad offset\n");
71779b20a6cSYishai Hadas 		goto err_umem;
71879b20a6cSYishai Hadas 	}
71979b20a6cSYishai Hadas 
72079b20a6cSYishai Hadas 	rwq->rq_num_pas = ncont;
72179b20a6cSYishai Hadas 	rwq->page_shift = page_shift;
72279b20a6cSYishai Hadas 	rwq->log_page_size =  page_shift - MLX5_ADAPTER_PAGE_SHIFT;
72379b20a6cSYishai Hadas 	rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE);
72479b20a6cSYishai Hadas 
72579b20a6cSYishai Hadas 	mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n",
72679b20a6cSYishai Hadas 		    (unsigned long long)ucmd->buf_addr, rwq->buf_size,
72779b20a6cSYishai Hadas 		    npages, page_shift, ncont, offset);
72879b20a6cSYishai Hadas 
72979b20a6cSYishai Hadas 	err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db);
73079b20a6cSYishai Hadas 	if (err) {
73179b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "map failed\n");
73279b20a6cSYishai Hadas 		goto err_umem;
73379b20a6cSYishai Hadas 	}
73479b20a6cSYishai Hadas 
73579b20a6cSYishai Hadas 	rwq->create_type = MLX5_WQ_USER;
73679b20a6cSYishai Hadas 	return 0;
73779b20a6cSYishai Hadas 
73879b20a6cSYishai Hadas err_umem:
73979b20a6cSYishai Hadas 	ib_umem_release(rwq->umem);
74079b20a6cSYishai Hadas 	return err;
74179b20a6cSYishai Hadas }
74279b20a6cSYishai Hadas 
743b037c29aSEli Cohen static int adjust_bfregn(struct mlx5_ib_dev *dev,
744b037c29aSEli Cohen 			 struct mlx5_bfreg_info *bfregi, int bfregn)
745b037c29aSEli Cohen {
746b037c29aSEli Cohen 	return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR +
747b037c29aSEli Cohen 				bfregn % MLX5_NON_FP_BFREGS_PER_UAR;
748b037c29aSEli Cohen }
749b037c29aSEli Cohen 
750e126ba97SEli Cohen static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
751e126ba97SEli Cohen 			  struct mlx5_ib_qp *qp, struct ib_udata *udata,
7520fb2ed66Smajd@mellanox.com 			  struct ib_qp_init_attr *attr,
75309a7d9ecSSaeed Mahameed 			  u32 **in,
75419098df2Smajd@mellanox.com 			  struct mlx5_ib_create_qp_resp *resp, int *inlen,
75519098df2Smajd@mellanox.com 			  struct mlx5_ib_qp_base *base)
756e126ba97SEli Cohen {
757e126ba97SEli Cohen 	struct mlx5_ib_ucontext *context;
758e126ba97SEli Cohen 	struct mlx5_ib_create_qp ucmd;
75919098df2Smajd@mellanox.com 	struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer;
7609e9c47d0SEli Cohen 	int page_shift = 0;
761e126ba97SEli Cohen 	int uar_index;
762e126ba97SEli Cohen 	int npages;
7639e9c47d0SEli Cohen 	u32 offset = 0;
7642f5ff264SEli Cohen 	int bfregn;
7659e9c47d0SEli Cohen 	int ncont = 0;
76609a7d9ecSSaeed Mahameed 	__be64 *pas;
76709a7d9ecSSaeed Mahameed 	void *qpc;
768e126ba97SEli Cohen 	int err;
769e126ba97SEli Cohen 
770e126ba97SEli Cohen 	err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd));
771e126ba97SEli Cohen 	if (err) {
772e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "copy failed\n");
773e126ba97SEli Cohen 		return err;
774e126ba97SEli Cohen 	}
775e126ba97SEli Cohen 
776e126ba97SEli Cohen 	context = to_mucontext(pd->uobject->context);
777e126ba97SEli Cohen 	/*
778e126ba97SEli Cohen 	 * TBD: should come from the verbs when we have the API
779e126ba97SEli Cohen 	 */
780051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL)
781051f2630SLeon Romanovsky 		/* In CROSS_CHANNEL CQ and QP must use the same UAR */
7822f5ff264SEli Cohen 		bfregn = MLX5_CROSS_CHANNEL_BFREG;
783051f2630SLeon Romanovsky 	else {
784b037c29aSEli Cohen 		bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_HIGH);
7852f5ff264SEli Cohen 		if (bfregn < 0) {
7862f5ff264SEli Cohen 			mlx5_ib_dbg(dev, "failed to allocate low latency BFREG\n");
787c1be5232SEli Cohen 			mlx5_ib_dbg(dev, "reverting to medium latency\n");
788b037c29aSEli Cohen 			bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_MEDIUM);
7892f5ff264SEli Cohen 			if (bfregn < 0) {
7902f5ff264SEli Cohen 				mlx5_ib_dbg(dev, "failed to allocate medium latency BFREG\n");
791e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "reverting to high latency\n");
792b037c29aSEli Cohen 				bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_LOW);
7932f5ff264SEli Cohen 				if (bfregn < 0) {
7942f5ff264SEli Cohen 					mlx5_ib_warn(dev, "bfreg allocation failed\n");
7952f5ff264SEli Cohen 					return bfregn;
796e126ba97SEli Cohen 				}
797e126ba97SEli Cohen 			}
798c1be5232SEli Cohen 		}
799051f2630SLeon Romanovsky 	}
800e126ba97SEli Cohen 
801b037c29aSEli Cohen 	uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn);
8022f5ff264SEli Cohen 	mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index);
803e126ba97SEli Cohen 
80448fea837SHaggai Eran 	qp->rq.offset = 0;
80548fea837SHaggai Eran 	qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
80648fea837SHaggai Eran 	qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift;
80748fea837SHaggai Eran 
8080fb2ed66Smajd@mellanox.com 	err = set_user_buf_size(dev, qp, &ucmd, base, attr);
809e126ba97SEli Cohen 	if (err)
8102f5ff264SEli Cohen 		goto err_bfreg;
811e126ba97SEli Cohen 
81219098df2Smajd@mellanox.com 	if (ucmd.buf_addr && ubuffer->buf_size) {
81319098df2Smajd@mellanox.com 		ubuffer->buf_addr = ucmd.buf_addr;
81419098df2Smajd@mellanox.com 		err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr,
81519098df2Smajd@mellanox.com 				       ubuffer->buf_size,
81619098df2Smajd@mellanox.com 				       &ubuffer->umem, &npages, &page_shift,
81719098df2Smajd@mellanox.com 				       &ncont, &offset);
81819098df2Smajd@mellanox.com 		if (err)
8192f5ff264SEli Cohen 			goto err_bfreg;
8209e9c47d0SEli Cohen 	} else {
82119098df2Smajd@mellanox.com 		ubuffer->umem = NULL;
8229e9c47d0SEli Cohen 	}
823e126ba97SEli Cohen 
82409a7d9ecSSaeed Mahameed 	*inlen = MLX5_ST_SZ_BYTES(create_qp_in) +
82509a7d9ecSSaeed Mahameed 		 MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont;
826e126ba97SEli Cohen 	*in = mlx5_vzalloc(*inlen);
827e126ba97SEli Cohen 	if (!*in) {
828e126ba97SEli Cohen 		err = -ENOMEM;
829e126ba97SEli Cohen 		goto err_umem;
830e126ba97SEli Cohen 	}
831e126ba97SEli Cohen 
83209a7d9ecSSaeed Mahameed 	pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas);
83309a7d9ecSSaeed Mahameed 	if (ubuffer->umem)
83409a7d9ecSSaeed Mahameed 		mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0);
83509a7d9ecSSaeed Mahameed 
83609a7d9ecSSaeed Mahameed 	qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc);
83709a7d9ecSSaeed Mahameed 
83809a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT);
83909a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, page_offset, offset);
84009a7d9ecSSaeed Mahameed 
84109a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, uar_page, uar_index);
842b037c29aSEli Cohen 	resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn);
8432f5ff264SEli Cohen 	qp->bfregn = bfregn;
844e126ba97SEli Cohen 
845e126ba97SEli Cohen 	err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db);
846e126ba97SEli Cohen 	if (err) {
847e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "map failed\n");
848e126ba97SEli Cohen 		goto err_free;
849e126ba97SEli Cohen 	}
850e126ba97SEli Cohen 
851e126ba97SEli Cohen 	err = ib_copy_to_udata(udata, resp, sizeof(*resp));
852e126ba97SEli Cohen 	if (err) {
853e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "copy failed\n");
854e126ba97SEli Cohen 		goto err_unmap;
855e126ba97SEli Cohen 	}
856e126ba97SEli Cohen 	qp->create_type = MLX5_QP_USER;
857e126ba97SEli Cohen 
858e126ba97SEli Cohen 	return 0;
859e126ba97SEli Cohen 
860e126ba97SEli Cohen err_unmap:
861e126ba97SEli Cohen 	mlx5_ib_db_unmap_user(context, &qp->db);
862e126ba97SEli Cohen 
863e126ba97SEli Cohen err_free:
864479163f4SAl Viro 	kvfree(*in);
865e126ba97SEli Cohen 
866e126ba97SEli Cohen err_umem:
86719098df2Smajd@mellanox.com 	if (ubuffer->umem)
86819098df2Smajd@mellanox.com 		ib_umem_release(ubuffer->umem);
869e126ba97SEli Cohen 
8702f5ff264SEli Cohen err_bfreg:
871b037c29aSEli Cohen 	free_bfreg(dev, &context->bfregi, bfregn);
872e126ba97SEli Cohen 	return err;
873e126ba97SEli Cohen }
874e126ba97SEli Cohen 
875b037c29aSEli Cohen static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd,
876b037c29aSEli Cohen 			    struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base)
877e126ba97SEli Cohen {
878e126ba97SEli Cohen 	struct mlx5_ib_ucontext *context;
879e126ba97SEli Cohen 
880e126ba97SEli Cohen 	context = to_mucontext(pd->uobject->context);
881e126ba97SEli Cohen 	mlx5_ib_db_unmap_user(context, &qp->db);
88219098df2Smajd@mellanox.com 	if (base->ubuffer.umem)
88319098df2Smajd@mellanox.com 		ib_umem_release(base->ubuffer.umem);
884b037c29aSEli Cohen 	free_bfreg(dev, &context->bfregi, qp->bfregn);
885e126ba97SEli Cohen }
886e126ba97SEli Cohen 
887e126ba97SEli Cohen static int create_kernel_qp(struct mlx5_ib_dev *dev,
888e126ba97SEli Cohen 			    struct ib_qp_init_attr *init_attr,
889e126ba97SEli Cohen 			    struct mlx5_ib_qp *qp,
89009a7d9ecSSaeed Mahameed 			    u32 **in, int *inlen,
89119098df2Smajd@mellanox.com 			    struct mlx5_ib_qp_base *base)
892e126ba97SEli Cohen {
893e126ba97SEli Cohen 	int uar_index;
89409a7d9ecSSaeed Mahameed 	void *qpc;
895e126ba97SEli Cohen 	int err;
896e126ba97SEli Cohen 
897f0313965SErez Shitrit 	if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN |
898f0313965SErez Shitrit 					IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK |
899b11a4f9cSHaggai Eran 					IB_QP_CREATE_IPOIB_UD_LSO |
900b11a4f9cSHaggai Eran 					mlx5_ib_create_qp_sqpn_qp1()))
9011a4c3a3dSEli Cohen 		return -EINVAL;
902e126ba97SEli Cohen 
903e126ba97SEli Cohen 	if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
9045fe9dec0SEli Cohen 		qp->bf.bfreg = &dev->fp_bfreg;
9055fe9dec0SEli Cohen 	else
9065fe9dec0SEli Cohen 		qp->bf.bfreg = &dev->bfreg;
907e126ba97SEli Cohen 
9085fe9dec0SEli Cohen 	qp->bf.buf_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
9095fe9dec0SEli Cohen 	uar_index = qp->bf.bfreg->index;
910e126ba97SEli Cohen 
911e126ba97SEli Cohen 	err = calc_sq_size(dev, init_attr, qp);
912e126ba97SEli Cohen 	if (err < 0) {
913e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "err %d\n", err);
9145fe9dec0SEli Cohen 		return err;
915e126ba97SEli Cohen 	}
916e126ba97SEli Cohen 
917e126ba97SEli Cohen 	qp->rq.offset = 0;
918e126ba97SEli Cohen 	qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift;
91919098df2Smajd@mellanox.com 	base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift);
920e126ba97SEli Cohen 
92119098df2Smajd@mellanox.com 	err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf);
922e126ba97SEli Cohen 	if (err) {
923e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "err %d\n", err);
9245fe9dec0SEli Cohen 		return err;
925e126ba97SEli Cohen 	}
926e126ba97SEli Cohen 
927e126ba97SEli Cohen 	qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt);
92809a7d9ecSSaeed Mahameed 	*inlen = MLX5_ST_SZ_BYTES(create_qp_in) +
92909a7d9ecSSaeed Mahameed 		 MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages;
930e126ba97SEli Cohen 	*in = mlx5_vzalloc(*inlen);
931e126ba97SEli Cohen 	if (!*in) {
932e126ba97SEli Cohen 		err = -ENOMEM;
933e126ba97SEli Cohen 		goto err_buf;
934e126ba97SEli Cohen 	}
93509a7d9ecSSaeed Mahameed 
93609a7d9ecSSaeed Mahameed 	qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc);
93709a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, uar_page, uar_index);
93809a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT);
93909a7d9ecSSaeed Mahameed 
940e126ba97SEli Cohen 	/* Set "fast registration enabled" for all kernel QPs */
94109a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, fre, 1);
94209a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, rlky, 1);
943e126ba97SEli Cohen 
944b11a4f9cSHaggai Eran 	if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) {
94509a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, deth_sqpn, 1);
946b11a4f9cSHaggai Eran 		qp->flags |= MLX5_IB_QP_SQPN_QP1;
947b11a4f9cSHaggai Eran 	}
948b11a4f9cSHaggai Eran 
94909a7d9ecSSaeed Mahameed 	mlx5_fill_page_array(&qp->buf,
95009a7d9ecSSaeed Mahameed 			     (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas));
951e126ba97SEli Cohen 
9529603b61dSJack Morgenstein 	err = mlx5_db_alloc(dev->mdev, &qp->db);
953e126ba97SEli Cohen 	if (err) {
954e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "err %d\n", err);
955e126ba97SEli Cohen 		goto err_free;
956e126ba97SEli Cohen 	}
957e126ba97SEli Cohen 
958e126ba97SEli Cohen 	qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL);
959e126ba97SEli Cohen 	qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL);
960e126ba97SEli Cohen 	qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL);
961e126ba97SEli Cohen 	qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL);
962e126ba97SEli Cohen 	qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL);
963e126ba97SEli Cohen 
964e126ba97SEli Cohen 	if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid ||
965e126ba97SEli Cohen 	    !qp->sq.w_list || !qp->sq.wqe_head) {
966e126ba97SEli Cohen 		err = -ENOMEM;
967e126ba97SEli Cohen 		goto err_wrid;
968e126ba97SEli Cohen 	}
969e126ba97SEli Cohen 	qp->create_type = MLX5_QP_KERNEL;
970e126ba97SEli Cohen 
971e126ba97SEli Cohen 	return 0;
972e126ba97SEli Cohen 
973e126ba97SEli Cohen err_wrid:
974e126ba97SEli Cohen 	kfree(qp->sq.wqe_head);
975e126ba97SEli Cohen 	kfree(qp->sq.w_list);
976e126ba97SEli Cohen 	kfree(qp->sq.wrid);
977e126ba97SEli Cohen 	kfree(qp->sq.wr_data);
978e126ba97SEli Cohen 	kfree(qp->rq.wrid);
979f4044dacSEli Cohen 	mlx5_db_free(dev->mdev, &qp->db);
980e126ba97SEli Cohen 
981e126ba97SEli Cohen err_free:
982479163f4SAl Viro 	kvfree(*in);
983e126ba97SEli Cohen 
984e126ba97SEli Cohen err_buf:
9859603b61dSJack Morgenstein 	mlx5_buf_free(dev->mdev, &qp->buf);
986e126ba97SEli Cohen 	return err;
987e126ba97SEli Cohen }
988e126ba97SEli Cohen 
989e126ba97SEli Cohen static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
990e126ba97SEli Cohen {
991e126ba97SEli Cohen 	kfree(qp->sq.wqe_head);
992e126ba97SEli Cohen 	kfree(qp->sq.w_list);
993e126ba97SEli Cohen 	kfree(qp->sq.wrid);
994e126ba97SEli Cohen 	kfree(qp->sq.wr_data);
995e126ba97SEli Cohen 	kfree(qp->rq.wrid);
996f4044dacSEli Cohen 	mlx5_db_free(dev->mdev, &qp->db);
9979603b61dSJack Morgenstein 	mlx5_buf_free(dev->mdev, &qp->buf);
998e126ba97SEli Cohen }
999e126ba97SEli Cohen 
100009a7d9ecSSaeed Mahameed static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr)
1001e126ba97SEli Cohen {
1002e126ba97SEli Cohen 	if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) ||
1003e126ba97SEli Cohen 	    (attr->qp_type == IB_QPT_XRC_INI))
100409a7d9ecSSaeed Mahameed 		return MLX5_SRQ_RQ;
1005e126ba97SEli Cohen 	else if (!qp->has_rq)
100609a7d9ecSSaeed Mahameed 		return MLX5_ZERO_LEN_RQ;
1007e126ba97SEli Cohen 	else
100809a7d9ecSSaeed Mahameed 		return MLX5_NON_ZERO_RQ;
1009e126ba97SEli Cohen }
1010e126ba97SEli Cohen 
1011e126ba97SEli Cohen static int is_connected(enum ib_qp_type qp_type)
1012e126ba97SEli Cohen {
1013e126ba97SEli Cohen 	if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC)
1014e126ba97SEli Cohen 		return 1;
1015e126ba97SEli Cohen 
1016e126ba97SEli Cohen 	return 0;
1017e126ba97SEli Cohen }
1018e126ba97SEli Cohen 
10190fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev,
10200fb2ed66Smajd@mellanox.com 				    struct mlx5_ib_sq *sq, u32 tdn)
10210fb2ed66Smajd@mellanox.com {
1022c4f287c4SSaeed Mahameed 	u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
10230fb2ed66Smajd@mellanox.com 	void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
10240fb2ed66Smajd@mellanox.com 
10250fb2ed66Smajd@mellanox.com 	MLX5_SET(tisc, tisc, transport_domain, tdn);
10260fb2ed66Smajd@mellanox.com 	return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn);
10270fb2ed66Smajd@mellanox.com }
10280fb2ed66Smajd@mellanox.com 
10290fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev,
10300fb2ed66Smajd@mellanox.com 				      struct mlx5_ib_sq *sq)
10310fb2ed66Smajd@mellanox.com {
10320fb2ed66Smajd@mellanox.com 	mlx5_core_destroy_tis(dev->mdev, sq->tisn);
10330fb2ed66Smajd@mellanox.com }
10340fb2ed66Smajd@mellanox.com 
10350fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
10360fb2ed66Smajd@mellanox.com 				   struct mlx5_ib_sq *sq, void *qpin,
10370fb2ed66Smajd@mellanox.com 				   struct ib_pd *pd)
10380fb2ed66Smajd@mellanox.com {
10390fb2ed66Smajd@mellanox.com 	struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer;
10400fb2ed66Smajd@mellanox.com 	__be64 *pas;
10410fb2ed66Smajd@mellanox.com 	void *in;
10420fb2ed66Smajd@mellanox.com 	void *sqc;
10430fb2ed66Smajd@mellanox.com 	void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc);
10440fb2ed66Smajd@mellanox.com 	void *wq;
10450fb2ed66Smajd@mellanox.com 	int inlen;
10460fb2ed66Smajd@mellanox.com 	int err;
10470fb2ed66Smajd@mellanox.com 	int page_shift = 0;
10480fb2ed66Smajd@mellanox.com 	int npages;
10490fb2ed66Smajd@mellanox.com 	int ncont = 0;
10500fb2ed66Smajd@mellanox.com 	u32 offset = 0;
10510fb2ed66Smajd@mellanox.com 
10520fb2ed66Smajd@mellanox.com 	err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size,
10530fb2ed66Smajd@mellanox.com 			       &sq->ubuffer.umem, &npages, &page_shift,
10540fb2ed66Smajd@mellanox.com 			       &ncont, &offset);
10550fb2ed66Smajd@mellanox.com 	if (err)
10560fb2ed66Smajd@mellanox.com 		return err;
10570fb2ed66Smajd@mellanox.com 
10580fb2ed66Smajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont;
10590fb2ed66Smajd@mellanox.com 	in = mlx5_vzalloc(inlen);
10600fb2ed66Smajd@mellanox.com 	if (!in) {
10610fb2ed66Smajd@mellanox.com 		err = -ENOMEM;
10620fb2ed66Smajd@mellanox.com 		goto err_umem;
10630fb2ed66Smajd@mellanox.com 	}
10640fb2ed66Smajd@mellanox.com 
10650fb2ed66Smajd@mellanox.com 	sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
10660fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, flush_in_error_en, 1);
10670fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
10680fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index));
10690fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd));
10700fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, tis_lst_sz, 1);
10710fb2ed66Smajd@mellanox.com 	MLX5_SET(sqc, sqc, tis_num_0, sq->tisn);
10720fb2ed66Smajd@mellanox.com 
10730fb2ed66Smajd@mellanox.com 	wq = MLX5_ADDR_OF(sqc, sqc, wq);
10740fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
10750fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd));
10760fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page));
10770fb2ed66Smajd@mellanox.com 	MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr));
10780fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB));
10790fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size));
10800fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_pg_sz,  page_shift - MLX5_ADAPTER_PAGE_SHIFT);
10810fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, page_offset, offset);
10820fb2ed66Smajd@mellanox.com 
10830fb2ed66Smajd@mellanox.com 	pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
10840fb2ed66Smajd@mellanox.com 	mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0);
10850fb2ed66Smajd@mellanox.com 
10860fb2ed66Smajd@mellanox.com 	err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp);
10870fb2ed66Smajd@mellanox.com 
10880fb2ed66Smajd@mellanox.com 	kvfree(in);
10890fb2ed66Smajd@mellanox.com 
10900fb2ed66Smajd@mellanox.com 	if (err)
10910fb2ed66Smajd@mellanox.com 		goto err_umem;
10920fb2ed66Smajd@mellanox.com 
10930fb2ed66Smajd@mellanox.com 	return 0;
10940fb2ed66Smajd@mellanox.com 
10950fb2ed66Smajd@mellanox.com err_umem:
10960fb2ed66Smajd@mellanox.com 	ib_umem_release(sq->ubuffer.umem);
10970fb2ed66Smajd@mellanox.com 	sq->ubuffer.umem = NULL;
10980fb2ed66Smajd@mellanox.com 
10990fb2ed66Smajd@mellanox.com 	return err;
11000fb2ed66Smajd@mellanox.com }
11010fb2ed66Smajd@mellanox.com 
11020fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
11030fb2ed66Smajd@mellanox.com 				     struct mlx5_ib_sq *sq)
11040fb2ed66Smajd@mellanox.com {
11050fb2ed66Smajd@mellanox.com 	mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp);
11060fb2ed66Smajd@mellanox.com 	ib_umem_release(sq->ubuffer.umem);
11070fb2ed66Smajd@mellanox.com }
11080fb2ed66Smajd@mellanox.com 
11090fb2ed66Smajd@mellanox.com static int get_rq_pas_size(void *qpc)
11100fb2ed66Smajd@mellanox.com {
11110fb2ed66Smajd@mellanox.com 	u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12;
11120fb2ed66Smajd@mellanox.com 	u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride);
11130fb2ed66Smajd@mellanox.com 	u32 log_rq_size   = MLX5_GET(qpc, qpc, log_rq_size);
11140fb2ed66Smajd@mellanox.com 	u32 page_offset   = MLX5_GET(qpc, qpc, page_offset);
11150fb2ed66Smajd@mellanox.com 	u32 po_quanta	  = 1 << (log_page_size - 6);
11160fb2ed66Smajd@mellanox.com 	u32 rq_sz	  = 1 << (log_rq_size + 4 + log_rq_stride);
11170fb2ed66Smajd@mellanox.com 	u32 page_size	  = 1 << log_page_size;
11180fb2ed66Smajd@mellanox.com 	u32 rq_sz_po      = rq_sz + (page_offset * po_quanta);
11190fb2ed66Smajd@mellanox.com 	u32 rq_num_pas	  = (rq_sz_po + page_size - 1) / page_size;
11200fb2ed66Smajd@mellanox.com 
11210fb2ed66Smajd@mellanox.com 	return rq_num_pas * sizeof(u64);
11220fb2ed66Smajd@mellanox.com }
11230fb2ed66Smajd@mellanox.com 
11240fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
11250fb2ed66Smajd@mellanox.com 				   struct mlx5_ib_rq *rq, void *qpin)
11260fb2ed66Smajd@mellanox.com {
1127358e42eaSMajd Dibbiny 	struct mlx5_ib_qp *mqp = rq->base.container_mibqp;
11280fb2ed66Smajd@mellanox.com 	__be64 *pas;
11290fb2ed66Smajd@mellanox.com 	__be64 *qp_pas;
11300fb2ed66Smajd@mellanox.com 	void *in;
11310fb2ed66Smajd@mellanox.com 	void *rqc;
11320fb2ed66Smajd@mellanox.com 	void *wq;
11330fb2ed66Smajd@mellanox.com 	void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc);
11340fb2ed66Smajd@mellanox.com 	int inlen;
11350fb2ed66Smajd@mellanox.com 	int err;
11360fb2ed66Smajd@mellanox.com 	u32 rq_pas_size = get_rq_pas_size(qpc);
11370fb2ed66Smajd@mellanox.com 
11380fb2ed66Smajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size;
11390fb2ed66Smajd@mellanox.com 	in = mlx5_vzalloc(inlen);
11400fb2ed66Smajd@mellanox.com 	if (!in)
11410fb2ed66Smajd@mellanox.com 		return -ENOMEM;
11420fb2ed66Smajd@mellanox.com 
11430fb2ed66Smajd@mellanox.com 	rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
11440fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, vsd, 1);
11450fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE);
11460fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
11470fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, flush_in_error_en, 1);
11480fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index));
11490fb2ed66Smajd@mellanox.com 	MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv));
11500fb2ed66Smajd@mellanox.com 
1151358e42eaSMajd Dibbiny 	if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS)
1152358e42eaSMajd Dibbiny 		MLX5_SET(rqc, rqc, scatter_fcs, 1);
1153358e42eaSMajd Dibbiny 
11540fb2ed66Smajd@mellanox.com 	wq = MLX5_ADDR_OF(rqc, rqc, wq);
11550fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
11560fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, end_padding_mode,
115701581fb8SMaor Gottlieb 		 MLX5_GET(qpc, qpc, end_padding_mode));
11580fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset));
11590fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd));
11600fb2ed66Smajd@mellanox.com 	MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr));
11610fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4);
11620fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size));
11630fb2ed66Smajd@mellanox.com 	MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size));
11640fb2ed66Smajd@mellanox.com 
11650fb2ed66Smajd@mellanox.com 	pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
11660fb2ed66Smajd@mellanox.com 	qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas);
11670fb2ed66Smajd@mellanox.com 	memcpy(pas, qp_pas, rq_pas_size);
11680fb2ed66Smajd@mellanox.com 
11690fb2ed66Smajd@mellanox.com 	err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp);
11700fb2ed66Smajd@mellanox.com 
11710fb2ed66Smajd@mellanox.com 	kvfree(in);
11720fb2ed66Smajd@mellanox.com 
11730fb2ed66Smajd@mellanox.com 	return err;
11740fb2ed66Smajd@mellanox.com }
11750fb2ed66Smajd@mellanox.com 
11760fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
11770fb2ed66Smajd@mellanox.com 				     struct mlx5_ib_rq *rq)
11780fb2ed66Smajd@mellanox.com {
11790fb2ed66Smajd@mellanox.com 	mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp);
11800fb2ed66Smajd@mellanox.com }
11810fb2ed66Smajd@mellanox.com 
11820fb2ed66Smajd@mellanox.com static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
11830fb2ed66Smajd@mellanox.com 				    struct mlx5_ib_rq *rq, u32 tdn)
11840fb2ed66Smajd@mellanox.com {
11850fb2ed66Smajd@mellanox.com 	u32 *in;
11860fb2ed66Smajd@mellanox.com 	void *tirc;
11870fb2ed66Smajd@mellanox.com 	int inlen;
11880fb2ed66Smajd@mellanox.com 	int err;
11890fb2ed66Smajd@mellanox.com 
11900fb2ed66Smajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(create_tir_in);
11910fb2ed66Smajd@mellanox.com 	in = mlx5_vzalloc(inlen);
11920fb2ed66Smajd@mellanox.com 	if (!in)
11930fb2ed66Smajd@mellanox.com 		return -ENOMEM;
11940fb2ed66Smajd@mellanox.com 
11950fb2ed66Smajd@mellanox.com 	tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
11960fb2ed66Smajd@mellanox.com 	MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT);
11970fb2ed66Smajd@mellanox.com 	MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn);
11980fb2ed66Smajd@mellanox.com 	MLX5_SET(tirc, tirc, transport_domain, tdn);
11990fb2ed66Smajd@mellanox.com 
12000fb2ed66Smajd@mellanox.com 	err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn);
12010fb2ed66Smajd@mellanox.com 
12020fb2ed66Smajd@mellanox.com 	kvfree(in);
12030fb2ed66Smajd@mellanox.com 
12040fb2ed66Smajd@mellanox.com 	return err;
12050fb2ed66Smajd@mellanox.com }
12060fb2ed66Smajd@mellanox.com 
12070fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
12080fb2ed66Smajd@mellanox.com 				      struct mlx5_ib_rq *rq)
12090fb2ed66Smajd@mellanox.com {
12100fb2ed66Smajd@mellanox.com 	mlx5_core_destroy_tir(dev->mdev, rq->tirn);
12110fb2ed66Smajd@mellanox.com }
12120fb2ed66Smajd@mellanox.com 
12130fb2ed66Smajd@mellanox.com static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
121409a7d9ecSSaeed Mahameed 				u32 *in,
12150fb2ed66Smajd@mellanox.com 				struct ib_pd *pd)
12160fb2ed66Smajd@mellanox.com {
12170fb2ed66Smajd@mellanox.com 	struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp;
12180fb2ed66Smajd@mellanox.com 	struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
12190fb2ed66Smajd@mellanox.com 	struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
12200fb2ed66Smajd@mellanox.com 	struct ib_uobject *uobj = pd->uobject;
12210fb2ed66Smajd@mellanox.com 	struct ib_ucontext *ucontext = uobj->context;
12220fb2ed66Smajd@mellanox.com 	struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext);
12230fb2ed66Smajd@mellanox.com 	int err;
12240fb2ed66Smajd@mellanox.com 	u32 tdn = mucontext->tdn;
12250fb2ed66Smajd@mellanox.com 
12260fb2ed66Smajd@mellanox.com 	if (qp->sq.wqe_cnt) {
12270fb2ed66Smajd@mellanox.com 		err = create_raw_packet_qp_tis(dev, sq, tdn);
12280fb2ed66Smajd@mellanox.com 		if (err)
12290fb2ed66Smajd@mellanox.com 			return err;
12300fb2ed66Smajd@mellanox.com 
12310fb2ed66Smajd@mellanox.com 		err = create_raw_packet_qp_sq(dev, sq, in, pd);
12320fb2ed66Smajd@mellanox.com 		if (err)
12330fb2ed66Smajd@mellanox.com 			goto err_destroy_tis;
12340fb2ed66Smajd@mellanox.com 
12350fb2ed66Smajd@mellanox.com 		sq->base.container_mibqp = qp;
12360fb2ed66Smajd@mellanox.com 	}
12370fb2ed66Smajd@mellanox.com 
12380fb2ed66Smajd@mellanox.com 	if (qp->rq.wqe_cnt) {
1239358e42eaSMajd Dibbiny 		rq->base.container_mibqp = qp;
1240358e42eaSMajd Dibbiny 
12410fb2ed66Smajd@mellanox.com 		err = create_raw_packet_qp_rq(dev, rq, in);
12420fb2ed66Smajd@mellanox.com 		if (err)
12430fb2ed66Smajd@mellanox.com 			goto err_destroy_sq;
12440fb2ed66Smajd@mellanox.com 
12450fb2ed66Smajd@mellanox.com 
12460fb2ed66Smajd@mellanox.com 		err = create_raw_packet_qp_tir(dev, rq, tdn);
12470fb2ed66Smajd@mellanox.com 		if (err)
12480fb2ed66Smajd@mellanox.com 			goto err_destroy_rq;
12490fb2ed66Smajd@mellanox.com 	}
12500fb2ed66Smajd@mellanox.com 
12510fb2ed66Smajd@mellanox.com 	qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn :
12520fb2ed66Smajd@mellanox.com 						     rq->base.mqp.qpn;
12530fb2ed66Smajd@mellanox.com 
12540fb2ed66Smajd@mellanox.com 	return 0;
12550fb2ed66Smajd@mellanox.com 
12560fb2ed66Smajd@mellanox.com err_destroy_rq:
12570fb2ed66Smajd@mellanox.com 	destroy_raw_packet_qp_rq(dev, rq);
12580fb2ed66Smajd@mellanox.com err_destroy_sq:
12590fb2ed66Smajd@mellanox.com 	if (!qp->sq.wqe_cnt)
12600fb2ed66Smajd@mellanox.com 		return err;
12610fb2ed66Smajd@mellanox.com 	destroy_raw_packet_qp_sq(dev, sq);
12620fb2ed66Smajd@mellanox.com err_destroy_tis:
12630fb2ed66Smajd@mellanox.com 	destroy_raw_packet_qp_tis(dev, sq);
12640fb2ed66Smajd@mellanox.com 
12650fb2ed66Smajd@mellanox.com 	return err;
12660fb2ed66Smajd@mellanox.com }
12670fb2ed66Smajd@mellanox.com 
12680fb2ed66Smajd@mellanox.com static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev,
12690fb2ed66Smajd@mellanox.com 				  struct mlx5_ib_qp *qp)
12700fb2ed66Smajd@mellanox.com {
12710fb2ed66Smajd@mellanox.com 	struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp;
12720fb2ed66Smajd@mellanox.com 	struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
12730fb2ed66Smajd@mellanox.com 	struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
12740fb2ed66Smajd@mellanox.com 
12750fb2ed66Smajd@mellanox.com 	if (qp->rq.wqe_cnt) {
12760fb2ed66Smajd@mellanox.com 		destroy_raw_packet_qp_tir(dev, rq);
12770fb2ed66Smajd@mellanox.com 		destroy_raw_packet_qp_rq(dev, rq);
12780fb2ed66Smajd@mellanox.com 	}
12790fb2ed66Smajd@mellanox.com 
12800fb2ed66Smajd@mellanox.com 	if (qp->sq.wqe_cnt) {
12810fb2ed66Smajd@mellanox.com 		destroy_raw_packet_qp_sq(dev, sq);
12820fb2ed66Smajd@mellanox.com 		destroy_raw_packet_qp_tis(dev, sq);
12830fb2ed66Smajd@mellanox.com 	}
12840fb2ed66Smajd@mellanox.com }
12850fb2ed66Smajd@mellanox.com 
12860fb2ed66Smajd@mellanox.com static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp,
12870fb2ed66Smajd@mellanox.com 				    struct mlx5_ib_raw_packet_qp *raw_packet_qp)
12880fb2ed66Smajd@mellanox.com {
12890fb2ed66Smajd@mellanox.com 	struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
12900fb2ed66Smajd@mellanox.com 	struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
12910fb2ed66Smajd@mellanox.com 
12920fb2ed66Smajd@mellanox.com 	sq->sq = &qp->sq;
12930fb2ed66Smajd@mellanox.com 	rq->rq = &qp->rq;
12940fb2ed66Smajd@mellanox.com 	sq->doorbell = &qp->db;
12950fb2ed66Smajd@mellanox.com 	rq->doorbell = &qp->db;
12960fb2ed66Smajd@mellanox.com }
12970fb2ed66Smajd@mellanox.com 
129828d61370SYishai Hadas static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
129928d61370SYishai Hadas {
130028d61370SYishai Hadas 	mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn);
130128d61370SYishai Hadas }
130228d61370SYishai Hadas 
130328d61370SYishai Hadas static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
130428d61370SYishai Hadas 				 struct ib_pd *pd,
130528d61370SYishai Hadas 				 struct ib_qp_init_attr *init_attr,
130628d61370SYishai Hadas 				 struct ib_udata *udata)
130728d61370SYishai Hadas {
130828d61370SYishai Hadas 	struct ib_uobject *uobj = pd->uobject;
130928d61370SYishai Hadas 	struct ib_ucontext *ucontext = uobj->context;
131028d61370SYishai Hadas 	struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext);
131128d61370SYishai Hadas 	struct mlx5_ib_create_qp_resp resp = {};
131228d61370SYishai Hadas 	int inlen;
131328d61370SYishai Hadas 	int err;
131428d61370SYishai Hadas 	u32 *in;
131528d61370SYishai Hadas 	void *tirc;
131628d61370SYishai Hadas 	void *hfso;
131728d61370SYishai Hadas 	u32 selected_fields = 0;
131828d61370SYishai Hadas 	size_t min_resp_len;
131928d61370SYishai Hadas 	u32 tdn = mucontext->tdn;
132028d61370SYishai Hadas 	struct mlx5_ib_create_qp_rss ucmd = {};
132128d61370SYishai Hadas 	size_t required_cmd_sz;
132228d61370SYishai Hadas 
132328d61370SYishai Hadas 	if (init_attr->qp_type != IB_QPT_RAW_PACKET)
132428d61370SYishai Hadas 		return -EOPNOTSUPP;
132528d61370SYishai Hadas 
132628d61370SYishai Hadas 	if (init_attr->create_flags || init_attr->send_cq)
132728d61370SYishai Hadas 		return -EINVAL;
132828d61370SYishai Hadas 
13292f5ff264SEli Cohen 	min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index);
133028d61370SYishai Hadas 	if (udata->outlen < min_resp_len)
133128d61370SYishai Hadas 		return -EINVAL;
133228d61370SYishai Hadas 
133328d61370SYishai Hadas 	required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1);
133428d61370SYishai Hadas 	if (udata->inlen < required_cmd_sz) {
133528d61370SYishai Hadas 		mlx5_ib_dbg(dev, "invalid inlen\n");
133628d61370SYishai Hadas 		return -EINVAL;
133728d61370SYishai Hadas 	}
133828d61370SYishai Hadas 
133928d61370SYishai Hadas 	if (udata->inlen > sizeof(ucmd) &&
134028d61370SYishai Hadas 	    !ib_is_udata_cleared(udata, sizeof(ucmd),
134128d61370SYishai Hadas 				 udata->inlen - sizeof(ucmd))) {
134228d61370SYishai Hadas 		mlx5_ib_dbg(dev, "inlen is not supported\n");
134328d61370SYishai Hadas 		return -EOPNOTSUPP;
134428d61370SYishai Hadas 	}
134528d61370SYishai Hadas 
134628d61370SYishai Hadas 	if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) {
134728d61370SYishai Hadas 		mlx5_ib_dbg(dev, "copy failed\n");
134828d61370SYishai Hadas 		return -EFAULT;
134928d61370SYishai Hadas 	}
135028d61370SYishai Hadas 
135128d61370SYishai Hadas 	if (ucmd.comp_mask) {
135228d61370SYishai Hadas 		mlx5_ib_dbg(dev, "invalid comp mask\n");
135328d61370SYishai Hadas 		return -EOPNOTSUPP;
135428d61370SYishai Hadas 	}
135528d61370SYishai Hadas 
135628d61370SYishai Hadas 	if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) {
135728d61370SYishai Hadas 		mlx5_ib_dbg(dev, "invalid reserved\n");
135828d61370SYishai Hadas 		return -EOPNOTSUPP;
135928d61370SYishai Hadas 	}
136028d61370SYishai Hadas 
136128d61370SYishai Hadas 	err = ib_copy_to_udata(udata, &resp, min_resp_len);
136228d61370SYishai Hadas 	if (err) {
136328d61370SYishai Hadas 		mlx5_ib_dbg(dev, "copy failed\n");
136428d61370SYishai Hadas 		return -EINVAL;
136528d61370SYishai Hadas 	}
136628d61370SYishai Hadas 
136728d61370SYishai Hadas 	inlen = MLX5_ST_SZ_BYTES(create_tir_in);
136828d61370SYishai Hadas 	in = mlx5_vzalloc(inlen);
136928d61370SYishai Hadas 	if (!in)
137028d61370SYishai Hadas 		return -ENOMEM;
137128d61370SYishai Hadas 
137228d61370SYishai Hadas 	tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
137328d61370SYishai Hadas 	MLX5_SET(tirc, tirc, disp_type,
137428d61370SYishai Hadas 		 MLX5_TIRC_DISP_TYPE_INDIRECT);
137528d61370SYishai Hadas 	MLX5_SET(tirc, tirc, indirect_table,
137628d61370SYishai Hadas 		 init_attr->rwq_ind_tbl->ind_tbl_num);
137728d61370SYishai Hadas 	MLX5_SET(tirc, tirc, transport_domain, tdn);
137828d61370SYishai Hadas 
137928d61370SYishai Hadas 	hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer);
138028d61370SYishai Hadas 	switch (ucmd.rx_hash_function) {
138128d61370SYishai Hadas 	case MLX5_RX_HASH_FUNC_TOEPLITZ:
138228d61370SYishai Hadas 	{
138328d61370SYishai Hadas 		void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key);
138428d61370SYishai Hadas 		size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key);
138528d61370SYishai Hadas 
138628d61370SYishai Hadas 		if (len != ucmd.rx_key_len) {
138728d61370SYishai Hadas 			err = -EINVAL;
138828d61370SYishai Hadas 			goto err;
138928d61370SYishai Hadas 		}
139028d61370SYishai Hadas 
139128d61370SYishai Hadas 		MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ);
139228d61370SYishai Hadas 		MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);
139328d61370SYishai Hadas 		memcpy(rss_key, ucmd.rx_hash_key, len);
139428d61370SYishai Hadas 		break;
139528d61370SYishai Hadas 	}
139628d61370SYishai Hadas 	default:
139728d61370SYishai Hadas 		err = -EOPNOTSUPP;
139828d61370SYishai Hadas 		goto err;
139928d61370SYishai Hadas 	}
140028d61370SYishai Hadas 
140128d61370SYishai Hadas 	if (!ucmd.rx_hash_fields_mask) {
140228d61370SYishai Hadas 		/* special case when this TIR serves as steering entry without hashing */
140328d61370SYishai Hadas 		if (!init_attr->rwq_ind_tbl->log_ind_tbl_size)
140428d61370SYishai Hadas 			goto create_tir;
140528d61370SYishai Hadas 		err = -EINVAL;
140628d61370SYishai Hadas 		goto err;
140728d61370SYishai Hadas 	}
140828d61370SYishai Hadas 
140928d61370SYishai Hadas 	if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) ||
141028d61370SYishai Hadas 	     (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) &&
141128d61370SYishai Hadas 	     ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) ||
141228d61370SYishai Hadas 	     (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) {
141328d61370SYishai Hadas 		err = -EINVAL;
141428d61370SYishai Hadas 		goto err;
141528d61370SYishai Hadas 	}
141628d61370SYishai Hadas 
141728d61370SYishai Hadas 	/* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */
141828d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) ||
141928d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4))
142028d61370SYishai Hadas 		MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
142128d61370SYishai Hadas 			 MLX5_L3_PROT_TYPE_IPV4);
142228d61370SYishai Hadas 	else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) ||
142328d61370SYishai Hadas 		 (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))
142428d61370SYishai Hadas 		MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
142528d61370SYishai Hadas 			 MLX5_L3_PROT_TYPE_IPV6);
142628d61370SYishai Hadas 
142728d61370SYishai Hadas 	if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) ||
142828d61370SYishai Hadas 	     (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) &&
142928d61370SYishai Hadas 	     ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) ||
143028d61370SYishai Hadas 	     (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) {
143128d61370SYishai Hadas 		err = -EINVAL;
143228d61370SYishai Hadas 		goto err;
143328d61370SYishai Hadas 	}
143428d61370SYishai Hadas 
143528d61370SYishai Hadas 	/* If none of TCP & UDP SRC/DST was set - this bit field is ignored */
143628d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) ||
143728d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP))
143828d61370SYishai Hadas 		MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
143928d61370SYishai Hadas 			 MLX5_L4_PROT_TYPE_TCP);
144028d61370SYishai Hadas 	else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) ||
144128d61370SYishai Hadas 		 (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))
144228d61370SYishai Hadas 		MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
144328d61370SYishai Hadas 			 MLX5_L4_PROT_TYPE_UDP);
144428d61370SYishai Hadas 
144528d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) ||
144628d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6))
144728d61370SYishai Hadas 		selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP;
144828d61370SYishai Hadas 
144928d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) ||
145028d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))
145128d61370SYishai Hadas 		selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP;
145228d61370SYishai Hadas 
145328d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) ||
145428d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP))
145528d61370SYishai Hadas 		selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT;
145628d61370SYishai Hadas 
145728d61370SYishai Hadas 	if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) ||
145828d61370SYishai Hadas 	    (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))
145928d61370SYishai Hadas 		selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT;
146028d61370SYishai Hadas 
146128d61370SYishai Hadas 	MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields);
146228d61370SYishai Hadas 
146328d61370SYishai Hadas create_tir:
146428d61370SYishai Hadas 	err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn);
146528d61370SYishai Hadas 
146628d61370SYishai Hadas 	if (err)
146728d61370SYishai Hadas 		goto err;
146828d61370SYishai Hadas 
146928d61370SYishai Hadas 	kvfree(in);
147028d61370SYishai Hadas 	/* qpn is reserved for that QP */
147128d61370SYishai Hadas 	qp->trans_qp.base.mqp.qpn = 0;
1472d9f88e5aSYishai Hadas 	qp->flags |= MLX5_IB_QP_RSS;
147328d61370SYishai Hadas 	return 0;
147428d61370SYishai Hadas 
147528d61370SYishai Hadas err:
147628d61370SYishai Hadas 	kvfree(in);
147728d61370SYishai Hadas 	return err;
147828d61370SYishai Hadas }
147928d61370SYishai Hadas 
1480e126ba97SEli Cohen static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
1481e126ba97SEli Cohen 			    struct ib_qp_init_attr *init_attr,
1482e126ba97SEli Cohen 			    struct ib_udata *udata, struct mlx5_ib_qp *qp)
1483e126ba97SEli Cohen {
1484e126ba97SEli Cohen 	struct mlx5_ib_resources *devr = &dev->devr;
148509a7d9ecSSaeed Mahameed 	int inlen = MLX5_ST_SZ_BYTES(create_qp_in);
1486938fe83cSSaeed Mahameed 	struct mlx5_core_dev *mdev = dev->mdev;
1487e126ba97SEli Cohen 	struct mlx5_ib_create_qp_resp resp;
148889ea94a7SMaor Gottlieb 	struct mlx5_ib_cq *send_cq;
148989ea94a7SMaor Gottlieb 	struct mlx5_ib_cq *recv_cq;
149089ea94a7SMaor Gottlieb 	unsigned long flags;
1491cfb5e088SHaggai Abramovsky 	u32 uidx = MLX5_IB_DEFAULT_UIDX;
149209a7d9ecSSaeed Mahameed 	struct mlx5_ib_create_qp ucmd;
149309a7d9ecSSaeed Mahameed 	struct mlx5_ib_qp_base *base;
1494cfb5e088SHaggai Abramovsky 	void *qpc;
149509a7d9ecSSaeed Mahameed 	u32 *in;
149609a7d9ecSSaeed Mahameed 	int err;
1497e126ba97SEli Cohen 
14980fb2ed66Smajd@mellanox.com 	base = init_attr->qp_type == IB_QPT_RAW_PACKET ?
14990fb2ed66Smajd@mellanox.com 	       &qp->raw_packet_qp.rq.base :
15000fb2ed66Smajd@mellanox.com 	       &qp->trans_qp.base;
15010fb2ed66Smajd@mellanox.com 
1502e126ba97SEli Cohen 	mutex_init(&qp->mutex);
1503e126ba97SEli Cohen 	spin_lock_init(&qp->sq.lock);
1504e126ba97SEli Cohen 	spin_lock_init(&qp->rq.lock);
1505e126ba97SEli Cohen 
150628d61370SYishai Hadas 	if (init_attr->rwq_ind_tbl) {
150728d61370SYishai Hadas 		if (!udata)
150828d61370SYishai Hadas 			return -ENOSYS;
150928d61370SYishai Hadas 
151028d61370SYishai Hadas 		err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata);
151128d61370SYishai Hadas 		return err;
151228d61370SYishai Hadas 	}
151328d61370SYishai Hadas 
1514f360d88aSEli Cohen 	if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
1515938fe83cSSaeed Mahameed 		if (!MLX5_CAP_GEN(mdev, block_lb_mc)) {
1516f360d88aSEli Cohen 			mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n");
1517f360d88aSEli Cohen 			return -EINVAL;
1518f360d88aSEli Cohen 		} else {
1519f360d88aSEli Cohen 			qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK;
1520f360d88aSEli Cohen 		}
1521f360d88aSEli Cohen 	}
1522f360d88aSEli Cohen 
1523051f2630SLeon Romanovsky 	if (init_attr->create_flags &
1524051f2630SLeon Romanovsky 			(IB_QP_CREATE_CROSS_CHANNEL |
1525051f2630SLeon Romanovsky 			 IB_QP_CREATE_MANAGED_SEND |
1526051f2630SLeon Romanovsky 			 IB_QP_CREATE_MANAGED_RECV)) {
1527051f2630SLeon Romanovsky 		if (!MLX5_CAP_GEN(mdev, cd)) {
1528051f2630SLeon Romanovsky 			mlx5_ib_dbg(dev, "cross-channel isn't supported\n");
1529051f2630SLeon Romanovsky 			return -EINVAL;
1530051f2630SLeon Romanovsky 		}
1531051f2630SLeon Romanovsky 		if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL)
1532051f2630SLeon Romanovsky 			qp->flags |= MLX5_IB_QP_CROSS_CHANNEL;
1533051f2630SLeon Romanovsky 		if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND)
1534051f2630SLeon Romanovsky 			qp->flags |= MLX5_IB_QP_MANAGED_SEND;
1535051f2630SLeon Romanovsky 		if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV)
1536051f2630SLeon Romanovsky 			qp->flags |= MLX5_IB_QP_MANAGED_RECV;
1537051f2630SLeon Romanovsky 	}
1538f0313965SErez Shitrit 
1539f0313965SErez Shitrit 	if (init_attr->qp_type == IB_QPT_UD &&
1540f0313965SErez Shitrit 	    (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO))
1541f0313965SErez Shitrit 		if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) {
1542f0313965SErez Shitrit 			mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n");
1543f0313965SErez Shitrit 			return -EOPNOTSUPP;
1544f0313965SErez Shitrit 		}
1545f0313965SErez Shitrit 
1546358e42eaSMajd Dibbiny 	if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) {
1547358e42eaSMajd Dibbiny 		if (init_attr->qp_type != IB_QPT_RAW_PACKET) {
1548358e42eaSMajd Dibbiny 			mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs");
1549358e42eaSMajd Dibbiny 			return -EOPNOTSUPP;
1550358e42eaSMajd Dibbiny 		}
1551358e42eaSMajd Dibbiny 		if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) ||
1552358e42eaSMajd Dibbiny 		    !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) {
1553358e42eaSMajd Dibbiny 			mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n");
1554358e42eaSMajd Dibbiny 			return -EOPNOTSUPP;
1555358e42eaSMajd Dibbiny 		}
1556358e42eaSMajd Dibbiny 		qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS;
1557358e42eaSMajd Dibbiny 	}
1558358e42eaSMajd Dibbiny 
1559e126ba97SEli Cohen 	if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
1560e126ba97SEli Cohen 		qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
1561e126ba97SEli Cohen 
1562e126ba97SEli Cohen 	if (pd && pd->uobject) {
1563e126ba97SEli Cohen 		if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
1564e126ba97SEli Cohen 			mlx5_ib_dbg(dev, "copy failed\n");
1565e126ba97SEli Cohen 			return -EFAULT;
1566e126ba97SEli Cohen 		}
1567e126ba97SEli Cohen 
1568cfb5e088SHaggai Abramovsky 		err = get_qp_user_index(to_mucontext(pd->uobject->context),
1569cfb5e088SHaggai Abramovsky 					&ucmd, udata->inlen, &uidx);
1570cfb5e088SHaggai Abramovsky 		if (err)
1571cfb5e088SHaggai Abramovsky 			return err;
1572cfb5e088SHaggai Abramovsky 
1573e126ba97SEli Cohen 		qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE);
1574e126ba97SEli Cohen 		qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE);
1575e126ba97SEli Cohen 	} else {
1576e126ba97SEli Cohen 		qp->wq_sig = !!wq_signature;
1577e126ba97SEli Cohen 	}
1578e126ba97SEli Cohen 
1579e126ba97SEli Cohen 	qp->has_rq = qp_has_rq(init_attr);
1580e126ba97SEli Cohen 	err = set_rq_size(dev, &init_attr->cap, qp->has_rq,
1581e126ba97SEli Cohen 			  qp, (pd && pd->uobject) ? &ucmd : NULL);
1582e126ba97SEli Cohen 	if (err) {
1583e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "err %d\n", err);
1584e126ba97SEli Cohen 		return err;
1585e126ba97SEli Cohen 	}
1586e126ba97SEli Cohen 
1587e126ba97SEli Cohen 	if (pd) {
1588e126ba97SEli Cohen 		if (pd->uobject) {
1589938fe83cSSaeed Mahameed 			__u32 max_wqes =
1590938fe83cSSaeed Mahameed 				1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
1591e126ba97SEli Cohen 			mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count);
1592e126ba97SEli Cohen 			if (ucmd.rq_wqe_shift != qp->rq.wqe_shift ||
1593e126ba97SEli Cohen 			    ucmd.rq_wqe_count != qp->rq.wqe_cnt) {
1594e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "invalid rq params\n");
1595e126ba97SEli Cohen 				return -EINVAL;
1596e126ba97SEli Cohen 			}
1597938fe83cSSaeed Mahameed 			if (ucmd.sq_wqe_count > max_wqes) {
1598e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n",
1599938fe83cSSaeed Mahameed 					    ucmd.sq_wqe_count, max_wqes);
1600e126ba97SEli Cohen 				return -EINVAL;
1601e126ba97SEli Cohen 			}
1602b11a4f9cSHaggai Eran 			if (init_attr->create_flags &
1603b11a4f9cSHaggai Eran 			    mlx5_ib_create_qp_sqpn_qp1()) {
1604b11a4f9cSHaggai Eran 				mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n");
1605b11a4f9cSHaggai Eran 				return -EINVAL;
1606b11a4f9cSHaggai Eran 			}
16070fb2ed66Smajd@mellanox.com 			err = create_user_qp(dev, pd, qp, udata, init_attr, &in,
16080fb2ed66Smajd@mellanox.com 					     &resp, &inlen, base);
1609e126ba97SEli Cohen 			if (err)
1610e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "err %d\n", err);
1611e126ba97SEli Cohen 		} else {
161219098df2Smajd@mellanox.com 			err = create_kernel_qp(dev, init_attr, qp, &in, &inlen,
161319098df2Smajd@mellanox.com 					       base);
1614e126ba97SEli Cohen 			if (err)
1615e126ba97SEli Cohen 				mlx5_ib_dbg(dev, "err %d\n", err);
1616e126ba97SEli Cohen 		}
1617e126ba97SEli Cohen 
1618e126ba97SEli Cohen 		if (err)
1619e126ba97SEli Cohen 			return err;
1620e126ba97SEli Cohen 	} else {
162109a7d9ecSSaeed Mahameed 		in = mlx5_vzalloc(inlen);
1622e126ba97SEli Cohen 		if (!in)
1623e126ba97SEli Cohen 			return -ENOMEM;
1624e126ba97SEli Cohen 
1625e126ba97SEli Cohen 		qp->create_type = MLX5_QP_EMPTY;
1626e126ba97SEli Cohen 	}
1627e126ba97SEli Cohen 
1628e126ba97SEli Cohen 	if (is_sqp(init_attr->qp_type))
1629e126ba97SEli Cohen 		qp->port = init_attr->port_num;
1630e126ba97SEli Cohen 
163109a7d9ecSSaeed Mahameed 	qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
163209a7d9ecSSaeed Mahameed 
163309a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type));
163409a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1635e126ba97SEli Cohen 
1636e126ba97SEli Cohen 	if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR)
163709a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn);
1638e126ba97SEli Cohen 	else
163909a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, latency_sensitive, 1);
164009a7d9ecSSaeed Mahameed 
1641e126ba97SEli Cohen 
1642e126ba97SEli Cohen 	if (qp->wq_sig)
164309a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, wq_signature, 1);
1644e126ba97SEli Cohen 
1645f360d88aSEli Cohen 	if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK)
164609a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, block_lb_mc, 1);
1647f360d88aSEli Cohen 
1648051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL)
164909a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cd_master, 1);
1650051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_MANAGED_SEND)
165109a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cd_slave_send, 1);
1652051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_MANAGED_RECV)
165309a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cd_slave_receive, 1);
1654051f2630SLeon Romanovsky 
1655e126ba97SEli Cohen 	if (qp->scat_cqe && is_connected(init_attr->qp_type)) {
1656e126ba97SEli Cohen 		int rcqe_sz;
1657e126ba97SEli Cohen 		int scqe_sz;
1658e126ba97SEli Cohen 
1659e126ba97SEli Cohen 		rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq);
1660e126ba97SEli Cohen 		scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq);
1661e126ba97SEli Cohen 
1662e126ba97SEli Cohen 		if (rcqe_sz == 128)
166309a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE);
1664e126ba97SEli Cohen 		else
166509a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE);
1666e126ba97SEli Cohen 
1667e126ba97SEli Cohen 		if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) {
1668e126ba97SEli Cohen 			if (scqe_sz == 128)
166909a7d9ecSSaeed Mahameed 				MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE);
1670e126ba97SEli Cohen 			else
167109a7d9ecSSaeed Mahameed 				MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE);
1672e126ba97SEli Cohen 		}
1673e126ba97SEli Cohen 	}
1674e126ba97SEli Cohen 
1675e126ba97SEli Cohen 	if (qp->rq.wqe_cnt) {
167609a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4);
167709a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt));
1678e126ba97SEli Cohen 	}
1679e126ba97SEli Cohen 
168009a7d9ecSSaeed Mahameed 	MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr));
1681e126ba97SEli Cohen 
1682e126ba97SEli Cohen 	if (qp->sq.wqe_cnt)
168309a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt));
1684e126ba97SEli Cohen 	else
168509a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, no_sq, 1);
1686e126ba97SEli Cohen 
1687e126ba97SEli Cohen 	/* Set default resources */
1688e126ba97SEli Cohen 	switch (init_attr->qp_type) {
1689e126ba97SEli Cohen 	case IB_QPT_XRC_TGT:
169009a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn);
169109a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn);
169209a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn);
169309a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn);
1694e126ba97SEli Cohen 		break;
1695e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
169609a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn);
169709a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn);
169809a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn);
1699e126ba97SEli Cohen 		break;
1700e126ba97SEli Cohen 	default:
1701e126ba97SEli Cohen 		if (init_attr->srq) {
170209a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn);
170309a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn);
1704e126ba97SEli Cohen 		} else {
170509a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn);
170609a7d9ecSSaeed Mahameed 			MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn);
1707e126ba97SEli Cohen 		}
1708e126ba97SEli Cohen 	}
1709e126ba97SEli Cohen 
1710e126ba97SEli Cohen 	if (init_attr->send_cq)
171109a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn);
1712e126ba97SEli Cohen 
1713e126ba97SEli Cohen 	if (init_attr->recv_cq)
171409a7d9ecSSaeed Mahameed 		MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn);
1715e126ba97SEli Cohen 
171609a7d9ecSSaeed Mahameed 	MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma);
1717e126ba97SEli Cohen 
1718cfb5e088SHaggai Abramovsky 	/* 0xffffff means we ask to work with cqe version 0 */
171909a7d9ecSSaeed Mahameed 	if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1)
1720cfb5e088SHaggai Abramovsky 		MLX5_SET(qpc, qpc, user_index, uidx);
172109a7d9ecSSaeed Mahameed 
1722f0313965SErez Shitrit 	/* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */
1723f0313965SErez Shitrit 	if (init_attr->qp_type == IB_QPT_UD &&
1724f0313965SErez Shitrit 	    (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) {
1725f0313965SErez Shitrit 		MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1);
1726f0313965SErez Shitrit 		qp->flags |= MLX5_IB_QP_LSO;
1727f0313965SErez Shitrit 	}
1728cfb5e088SHaggai Abramovsky 
17290fb2ed66Smajd@mellanox.com 	if (init_attr->qp_type == IB_QPT_RAW_PACKET) {
17300fb2ed66Smajd@mellanox.com 		qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr;
17310fb2ed66Smajd@mellanox.com 		raw_packet_qp_copy_info(qp, &qp->raw_packet_qp);
17320fb2ed66Smajd@mellanox.com 		err = create_raw_packet_qp(dev, qp, in, pd);
17330fb2ed66Smajd@mellanox.com 	} else {
173419098df2Smajd@mellanox.com 		err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen);
17350fb2ed66Smajd@mellanox.com 	}
17360fb2ed66Smajd@mellanox.com 
1737e126ba97SEli Cohen 	if (err) {
1738e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "create qp failed\n");
1739e126ba97SEli Cohen 		goto err_create;
1740e126ba97SEli Cohen 	}
1741e126ba97SEli Cohen 
1742479163f4SAl Viro 	kvfree(in);
1743e126ba97SEli Cohen 
174419098df2Smajd@mellanox.com 	base->container_mibqp = qp;
174519098df2Smajd@mellanox.com 	base->mqp.event = mlx5_ib_qp_event;
1746e126ba97SEli Cohen 
174789ea94a7SMaor Gottlieb 	get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq,
174889ea94a7SMaor Gottlieb 		&send_cq, &recv_cq);
174989ea94a7SMaor Gottlieb 	spin_lock_irqsave(&dev->reset_flow_resource_lock, flags);
175089ea94a7SMaor Gottlieb 	mlx5_ib_lock_cqs(send_cq, recv_cq);
175189ea94a7SMaor Gottlieb 	/* Maintain device to QPs access, needed for further handling via reset
175289ea94a7SMaor Gottlieb 	 * flow
175389ea94a7SMaor Gottlieb 	 */
175489ea94a7SMaor Gottlieb 	list_add_tail(&qp->qps_list, &dev->qp_list);
175589ea94a7SMaor Gottlieb 	/* Maintain CQ to QPs access, needed for further handling via reset flow
175689ea94a7SMaor Gottlieb 	 */
175789ea94a7SMaor Gottlieb 	if (send_cq)
175889ea94a7SMaor Gottlieb 		list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp);
175989ea94a7SMaor Gottlieb 	if (recv_cq)
176089ea94a7SMaor Gottlieb 		list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp);
176189ea94a7SMaor Gottlieb 	mlx5_ib_unlock_cqs(send_cq, recv_cq);
176289ea94a7SMaor Gottlieb 	spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags);
176389ea94a7SMaor Gottlieb 
1764e126ba97SEli Cohen 	return 0;
1765e126ba97SEli Cohen 
1766e126ba97SEli Cohen err_create:
1767e126ba97SEli Cohen 	if (qp->create_type == MLX5_QP_USER)
1768b037c29aSEli Cohen 		destroy_qp_user(dev, pd, qp, base);
1769e126ba97SEli Cohen 	else if (qp->create_type == MLX5_QP_KERNEL)
1770e126ba97SEli Cohen 		destroy_qp_kernel(dev, qp);
1771e126ba97SEli Cohen 
1772479163f4SAl Viro 	kvfree(in);
1773e126ba97SEli Cohen 	return err;
1774e126ba97SEli Cohen }
1775e126ba97SEli Cohen 
1776e126ba97SEli Cohen static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq)
1777e126ba97SEli Cohen 	__acquires(&send_cq->lock) __acquires(&recv_cq->lock)
1778e126ba97SEli Cohen {
1779e126ba97SEli Cohen 	if (send_cq) {
1780e126ba97SEli Cohen 		if (recv_cq) {
1781e126ba97SEli Cohen 			if (send_cq->mcq.cqn < recv_cq->mcq.cqn)  {
178289ea94a7SMaor Gottlieb 				spin_lock(&send_cq->lock);
1783e126ba97SEli Cohen 				spin_lock_nested(&recv_cq->lock,
1784e126ba97SEli Cohen 						 SINGLE_DEPTH_NESTING);
1785e126ba97SEli Cohen 			} else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) {
178689ea94a7SMaor Gottlieb 				spin_lock(&send_cq->lock);
1787e126ba97SEli Cohen 				__acquire(&recv_cq->lock);
1788e126ba97SEli Cohen 			} else {
178989ea94a7SMaor Gottlieb 				spin_lock(&recv_cq->lock);
1790e126ba97SEli Cohen 				spin_lock_nested(&send_cq->lock,
1791e126ba97SEli Cohen 						 SINGLE_DEPTH_NESTING);
1792e126ba97SEli Cohen 			}
1793e126ba97SEli Cohen 		} else {
179489ea94a7SMaor Gottlieb 			spin_lock(&send_cq->lock);
17956a4f139aSEli Cohen 			__acquire(&recv_cq->lock);
1796e126ba97SEli Cohen 		}
1797e126ba97SEli Cohen 	} else if (recv_cq) {
179889ea94a7SMaor Gottlieb 		spin_lock(&recv_cq->lock);
17996a4f139aSEli Cohen 		__acquire(&send_cq->lock);
18006a4f139aSEli Cohen 	} else {
18016a4f139aSEli Cohen 		__acquire(&send_cq->lock);
18026a4f139aSEli Cohen 		__acquire(&recv_cq->lock);
1803e126ba97SEli Cohen 	}
1804e126ba97SEli Cohen }
1805e126ba97SEli Cohen 
1806e126ba97SEli Cohen static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq)
1807e126ba97SEli Cohen 	__releases(&send_cq->lock) __releases(&recv_cq->lock)
1808e126ba97SEli Cohen {
1809e126ba97SEli Cohen 	if (send_cq) {
1810e126ba97SEli Cohen 		if (recv_cq) {
1811e126ba97SEli Cohen 			if (send_cq->mcq.cqn < recv_cq->mcq.cqn)  {
1812e126ba97SEli Cohen 				spin_unlock(&recv_cq->lock);
181389ea94a7SMaor Gottlieb 				spin_unlock(&send_cq->lock);
1814e126ba97SEli Cohen 			} else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) {
1815e126ba97SEli Cohen 				__release(&recv_cq->lock);
181689ea94a7SMaor Gottlieb 				spin_unlock(&send_cq->lock);
1817e126ba97SEli Cohen 			} else {
1818e126ba97SEli Cohen 				spin_unlock(&send_cq->lock);
181989ea94a7SMaor Gottlieb 				spin_unlock(&recv_cq->lock);
1820e126ba97SEli Cohen 			}
1821e126ba97SEli Cohen 		} else {
18226a4f139aSEli Cohen 			__release(&recv_cq->lock);
182389ea94a7SMaor Gottlieb 			spin_unlock(&send_cq->lock);
1824e126ba97SEli Cohen 		}
1825e126ba97SEli Cohen 	} else if (recv_cq) {
18266a4f139aSEli Cohen 		__release(&send_cq->lock);
182789ea94a7SMaor Gottlieb 		spin_unlock(&recv_cq->lock);
18286a4f139aSEli Cohen 	} else {
18296a4f139aSEli Cohen 		__release(&recv_cq->lock);
18306a4f139aSEli Cohen 		__release(&send_cq->lock);
1831e126ba97SEli Cohen 	}
1832e126ba97SEli Cohen }
1833e126ba97SEli Cohen 
1834e126ba97SEli Cohen static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp)
1835e126ba97SEli Cohen {
1836e126ba97SEli Cohen 	return to_mpd(qp->ibqp.pd);
1837e126ba97SEli Cohen }
1838e126ba97SEli Cohen 
183989ea94a7SMaor Gottlieb static void get_cqs(enum ib_qp_type qp_type,
184089ea94a7SMaor Gottlieb 		    struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq,
1841e126ba97SEli Cohen 		    struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq)
1842e126ba97SEli Cohen {
184389ea94a7SMaor Gottlieb 	switch (qp_type) {
1844e126ba97SEli Cohen 	case IB_QPT_XRC_TGT:
1845e126ba97SEli Cohen 		*send_cq = NULL;
1846e126ba97SEli Cohen 		*recv_cq = NULL;
1847e126ba97SEli Cohen 		break;
1848e126ba97SEli Cohen 	case MLX5_IB_QPT_REG_UMR:
1849e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
185089ea94a7SMaor Gottlieb 		*send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL;
1851e126ba97SEli Cohen 		*recv_cq = NULL;
1852e126ba97SEli Cohen 		break;
1853e126ba97SEli Cohen 
1854e126ba97SEli Cohen 	case IB_QPT_SMI:
1855d16e91daSHaggai Eran 	case MLX5_IB_QPT_HW_GSI:
1856e126ba97SEli Cohen 	case IB_QPT_RC:
1857e126ba97SEli Cohen 	case IB_QPT_UC:
1858e126ba97SEli Cohen 	case IB_QPT_UD:
1859e126ba97SEli Cohen 	case IB_QPT_RAW_IPV6:
1860e126ba97SEli Cohen 	case IB_QPT_RAW_ETHERTYPE:
18610fb2ed66Smajd@mellanox.com 	case IB_QPT_RAW_PACKET:
186289ea94a7SMaor Gottlieb 		*send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL;
186389ea94a7SMaor Gottlieb 		*recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL;
1864e126ba97SEli Cohen 		break;
1865e126ba97SEli Cohen 
1866e126ba97SEli Cohen 	case IB_QPT_MAX:
1867e126ba97SEli Cohen 	default:
1868e126ba97SEli Cohen 		*send_cq = NULL;
1869e126ba97SEli Cohen 		*recv_cq = NULL;
1870e126ba97SEli Cohen 		break;
1871e126ba97SEli Cohen 	}
1872e126ba97SEli Cohen }
1873e126ba97SEli Cohen 
1874ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
187513eab21fSAviv Heller 				const struct mlx5_modify_raw_qp_param *raw_qp_param,
187613eab21fSAviv Heller 				u8 lag_tx_affinity);
1877ad5f8e96Smajd@mellanox.com 
1878e126ba97SEli Cohen static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
1879e126ba97SEli Cohen {
1880e126ba97SEli Cohen 	struct mlx5_ib_cq *send_cq, *recv_cq;
188119098df2Smajd@mellanox.com 	struct mlx5_ib_qp_base *base = &qp->trans_qp.base;
188289ea94a7SMaor Gottlieb 	unsigned long flags;
1883e126ba97SEli Cohen 	int err;
1884e126ba97SEli Cohen 
188528d61370SYishai Hadas 	if (qp->ibqp.rwq_ind_tbl) {
188628d61370SYishai Hadas 		destroy_rss_raw_qp_tir(dev, qp);
188728d61370SYishai Hadas 		return;
188828d61370SYishai Hadas 	}
188928d61370SYishai Hadas 
18900fb2ed66Smajd@mellanox.com 	base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ?
18910fb2ed66Smajd@mellanox.com 	       &qp->raw_packet_qp.rq.base :
18920fb2ed66Smajd@mellanox.com 	       &qp->trans_qp.base;
18930fb2ed66Smajd@mellanox.com 
18946aec21f6SHaggai Eran 	if (qp->state != IB_QPS_RESET) {
1895ad5f8e96Smajd@mellanox.com 		if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) {
1896ad5f8e96Smajd@mellanox.com 			err = mlx5_core_qp_modify(dev->mdev,
18971a412fb1SSaeed Mahameed 						  MLX5_CMD_OP_2RST_QP, 0,
18981a412fb1SSaeed Mahameed 						  NULL, &base->mqp);
1899ad5f8e96Smajd@mellanox.com 		} else {
19000680efa2SAlex Vesker 			struct mlx5_modify_raw_qp_param raw_qp_param = {
19010680efa2SAlex Vesker 				.operation = MLX5_CMD_OP_2RST_QP
19020680efa2SAlex Vesker 			};
19030680efa2SAlex Vesker 
190413eab21fSAviv Heller 			err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0);
1905ad5f8e96Smajd@mellanox.com 		}
1906ad5f8e96Smajd@mellanox.com 		if (err)
1907427c1e7bSmajd@mellanox.com 			mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n",
190819098df2Smajd@mellanox.com 				     base->mqp.qpn);
19096aec21f6SHaggai Eran 	}
1910e126ba97SEli Cohen 
191189ea94a7SMaor Gottlieb 	get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq,
191289ea94a7SMaor Gottlieb 		&send_cq, &recv_cq);
191389ea94a7SMaor Gottlieb 
191489ea94a7SMaor Gottlieb 	spin_lock_irqsave(&dev->reset_flow_resource_lock, flags);
191589ea94a7SMaor Gottlieb 	mlx5_ib_lock_cqs(send_cq, recv_cq);
191689ea94a7SMaor Gottlieb 	/* del from lists under both locks above to protect reset flow paths */
191789ea94a7SMaor Gottlieb 	list_del(&qp->qps_list);
191889ea94a7SMaor Gottlieb 	if (send_cq)
191989ea94a7SMaor Gottlieb 		list_del(&qp->cq_send_list);
192089ea94a7SMaor Gottlieb 
192189ea94a7SMaor Gottlieb 	if (recv_cq)
192289ea94a7SMaor Gottlieb 		list_del(&qp->cq_recv_list);
1923e126ba97SEli Cohen 
1924e126ba97SEli Cohen 	if (qp->create_type == MLX5_QP_KERNEL) {
192519098df2Smajd@mellanox.com 		__mlx5_ib_cq_clean(recv_cq, base->mqp.qpn,
1926e126ba97SEli Cohen 				   qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
1927e126ba97SEli Cohen 		if (send_cq != recv_cq)
192819098df2Smajd@mellanox.com 			__mlx5_ib_cq_clean(send_cq, base->mqp.qpn,
192919098df2Smajd@mellanox.com 					   NULL);
1930e126ba97SEli Cohen 	}
193189ea94a7SMaor Gottlieb 	mlx5_ib_unlock_cqs(send_cq, recv_cq);
193289ea94a7SMaor Gottlieb 	spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags);
1933e126ba97SEli Cohen 
19340fb2ed66Smajd@mellanox.com 	if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) {
19350fb2ed66Smajd@mellanox.com 		destroy_raw_packet_qp(dev, qp);
19360fb2ed66Smajd@mellanox.com 	} else {
193719098df2Smajd@mellanox.com 		err = mlx5_core_destroy_qp(dev->mdev, &base->mqp);
1938e126ba97SEli Cohen 		if (err)
19390fb2ed66Smajd@mellanox.com 			mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n",
19400fb2ed66Smajd@mellanox.com 				     base->mqp.qpn);
19410fb2ed66Smajd@mellanox.com 	}
1942e126ba97SEli Cohen 
1943e126ba97SEli Cohen 	if (qp->create_type == MLX5_QP_KERNEL)
1944e126ba97SEli Cohen 		destroy_qp_kernel(dev, qp);
1945e126ba97SEli Cohen 	else if (qp->create_type == MLX5_QP_USER)
1946b037c29aSEli Cohen 		destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base);
1947e126ba97SEli Cohen }
1948e126ba97SEli Cohen 
1949e126ba97SEli Cohen static const char *ib_qp_type_str(enum ib_qp_type type)
1950e126ba97SEli Cohen {
1951e126ba97SEli Cohen 	switch (type) {
1952e126ba97SEli Cohen 	case IB_QPT_SMI:
1953e126ba97SEli Cohen 		return "IB_QPT_SMI";
1954e126ba97SEli Cohen 	case IB_QPT_GSI:
1955e126ba97SEli Cohen 		return "IB_QPT_GSI";
1956e126ba97SEli Cohen 	case IB_QPT_RC:
1957e126ba97SEli Cohen 		return "IB_QPT_RC";
1958e126ba97SEli Cohen 	case IB_QPT_UC:
1959e126ba97SEli Cohen 		return "IB_QPT_UC";
1960e126ba97SEli Cohen 	case IB_QPT_UD:
1961e126ba97SEli Cohen 		return "IB_QPT_UD";
1962e126ba97SEli Cohen 	case IB_QPT_RAW_IPV6:
1963e126ba97SEli Cohen 		return "IB_QPT_RAW_IPV6";
1964e126ba97SEli Cohen 	case IB_QPT_RAW_ETHERTYPE:
1965e126ba97SEli Cohen 		return "IB_QPT_RAW_ETHERTYPE";
1966e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
1967e126ba97SEli Cohen 		return "IB_QPT_XRC_INI";
1968e126ba97SEli Cohen 	case IB_QPT_XRC_TGT:
1969e126ba97SEli Cohen 		return "IB_QPT_XRC_TGT";
1970e126ba97SEli Cohen 	case IB_QPT_RAW_PACKET:
1971e126ba97SEli Cohen 		return "IB_QPT_RAW_PACKET";
1972e126ba97SEli Cohen 	case MLX5_IB_QPT_REG_UMR:
1973e126ba97SEli Cohen 		return "MLX5_IB_QPT_REG_UMR";
1974e126ba97SEli Cohen 	case IB_QPT_MAX:
1975e126ba97SEli Cohen 	default:
1976e126ba97SEli Cohen 		return "Invalid QP type";
1977e126ba97SEli Cohen 	}
1978e126ba97SEli Cohen }
1979e126ba97SEli Cohen 
1980e126ba97SEli Cohen struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
1981e126ba97SEli Cohen 				struct ib_qp_init_attr *init_attr,
1982e126ba97SEli Cohen 				struct ib_udata *udata)
1983e126ba97SEli Cohen {
1984e126ba97SEli Cohen 	struct mlx5_ib_dev *dev;
1985e126ba97SEli Cohen 	struct mlx5_ib_qp *qp;
1986e126ba97SEli Cohen 	u16 xrcdn = 0;
1987e126ba97SEli Cohen 	int err;
1988e126ba97SEli Cohen 
1989e126ba97SEli Cohen 	if (pd) {
1990e126ba97SEli Cohen 		dev = to_mdev(pd->device);
19910fb2ed66Smajd@mellanox.com 
19920fb2ed66Smajd@mellanox.com 		if (init_attr->qp_type == IB_QPT_RAW_PACKET) {
19930fb2ed66Smajd@mellanox.com 			if (!pd->uobject) {
19940fb2ed66Smajd@mellanox.com 				mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n");
19950fb2ed66Smajd@mellanox.com 				return ERR_PTR(-EINVAL);
19960fb2ed66Smajd@mellanox.com 			} else if (!to_mucontext(pd->uobject->context)->cqe_version) {
19970fb2ed66Smajd@mellanox.com 				mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n");
19980fb2ed66Smajd@mellanox.com 				return ERR_PTR(-EINVAL);
19990fb2ed66Smajd@mellanox.com 			}
20000fb2ed66Smajd@mellanox.com 		}
200109f16cf5SMajd Dibbiny 	} else {
200209f16cf5SMajd Dibbiny 		/* being cautious here */
200309f16cf5SMajd Dibbiny 		if (init_attr->qp_type != IB_QPT_XRC_TGT &&
200409f16cf5SMajd Dibbiny 		    init_attr->qp_type != MLX5_IB_QPT_REG_UMR) {
200509f16cf5SMajd Dibbiny 			pr_warn("%s: no PD for transport %s\n", __func__,
200609f16cf5SMajd Dibbiny 				ib_qp_type_str(init_attr->qp_type));
200709f16cf5SMajd Dibbiny 			return ERR_PTR(-EINVAL);
200809f16cf5SMajd Dibbiny 		}
200909f16cf5SMajd Dibbiny 		dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device);
2010e126ba97SEli Cohen 	}
2011e126ba97SEli Cohen 
2012e126ba97SEli Cohen 	switch (init_attr->qp_type) {
2013e126ba97SEli Cohen 	case IB_QPT_XRC_TGT:
2014e126ba97SEli Cohen 	case IB_QPT_XRC_INI:
2015938fe83cSSaeed Mahameed 		if (!MLX5_CAP_GEN(dev->mdev, xrc)) {
2016e126ba97SEli Cohen 			mlx5_ib_dbg(dev, "XRC not supported\n");
2017e126ba97SEli Cohen 			return ERR_PTR(-ENOSYS);
2018e126ba97SEli Cohen 		}
2019e126ba97SEli Cohen 		init_attr->recv_cq = NULL;
2020e126ba97SEli Cohen 		if (init_attr->qp_type == IB_QPT_XRC_TGT) {
2021e126ba97SEli Cohen 			xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn;
2022e126ba97SEli Cohen 			init_attr->send_cq = NULL;
2023e126ba97SEli Cohen 		}
2024e126ba97SEli Cohen 
2025e126ba97SEli Cohen 		/* fall through */
20260fb2ed66Smajd@mellanox.com 	case IB_QPT_RAW_PACKET:
2027e126ba97SEli Cohen 	case IB_QPT_RC:
2028e126ba97SEli Cohen 	case IB_QPT_UC:
2029e126ba97SEli Cohen 	case IB_QPT_UD:
2030e126ba97SEli Cohen 	case IB_QPT_SMI:
2031d16e91daSHaggai Eran 	case MLX5_IB_QPT_HW_GSI:
2032e126ba97SEli Cohen 	case MLX5_IB_QPT_REG_UMR:
2033e126ba97SEli Cohen 		qp = kzalloc(sizeof(*qp), GFP_KERNEL);
2034e126ba97SEli Cohen 		if (!qp)
2035e126ba97SEli Cohen 			return ERR_PTR(-ENOMEM);
2036e126ba97SEli Cohen 
2037e126ba97SEli Cohen 		err = create_qp_common(dev, pd, init_attr, udata, qp);
2038e126ba97SEli Cohen 		if (err) {
2039e126ba97SEli Cohen 			mlx5_ib_dbg(dev, "create_qp_common failed\n");
2040e126ba97SEli Cohen 			kfree(qp);
2041e126ba97SEli Cohen 			return ERR_PTR(err);
2042e126ba97SEli Cohen 		}
2043e126ba97SEli Cohen 
2044e126ba97SEli Cohen 		if (is_qp0(init_attr->qp_type))
2045e126ba97SEli Cohen 			qp->ibqp.qp_num = 0;
2046e126ba97SEli Cohen 		else if (is_qp1(init_attr->qp_type))
2047e126ba97SEli Cohen 			qp->ibqp.qp_num = 1;
2048e126ba97SEli Cohen 		else
204919098df2Smajd@mellanox.com 			qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn;
2050e126ba97SEli Cohen 
2051e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n",
205219098df2Smajd@mellanox.com 			    qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn,
2053a1ab8402SEli Cohen 			    init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1,
2054a1ab8402SEli Cohen 			    init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1);
2055e126ba97SEli Cohen 
205619098df2Smajd@mellanox.com 		qp->trans_qp.xrcdn = xrcdn;
2057e126ba97SEli Cohen 
2058e126ba97SEli Cohen 		break;
2059e126ba97SEli Cohen 
2060d16e91daSHaggai Eran 	case IB_QPT_GSI:
2061d16e91daSHaggai Eran 		return mlx5_ib_gsi_create_qp(pd, init_attr);
2062d16e91daSHaggai Eran 
2063e126ba97SEli Cohen 	case IB_QPT_RAW_IPV6:
2064e126ba97SEli Cohen 	case IB_QPT_RAW_ETHERTYPE:
2065e126ba97SEli Cohen 	case IB_QPT_MAX:
2066e126ba97SEli Cohen 	default:
2067e126ba97SEli Cohen 		mlx5_ib_dbg(dev, "unsupported qp type %d\n",
2068e126ba97SEli Cohen 			    init_attr->qp_type);
2069e126ba97SEli Cohen 		/* Don't support raw QPs */
2070e126ba97SEli Cohen 		return ERR_PTR(-EINVAL);
2071e126ba97SEli Cohen 	}
2072e126ba97SEli Cohen 
2073e126ba97SEli Cohen 	return &qp->ibqp;
2074e126ba97SEli Cohen }
2075e126ba97SEli Cohen 
2076e126ba97SEli Cohen int mlx5_ib_destroy_qp(struct ib_qp *qp)
2077e126ba97SEli Cohen {
2078e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(qp->device);
2079e126ba97SEli Cohen 	struct mlx5_ib_qp *mqp = to_mqp(qp);
2080e126ba97SEli Cohen 
2081d16e91daSHaggai Eran 	if (unlikely(qp->qp_type == IB_QPT_GSI))
2082d16e91daSHaggai Eran 		return mlx5_ib_gsi_destroy_qp(qp);
2083d16e91daSHaggai Eran 
2084e126ba97SEli Cohen 	destroy_qp_common(dev, mqp);
2085e126ba97SEli Cohen 
2086e126ba97SEli Cohen 	kfree(mqp);
2087e126ba97SEli Cohen 
2088e126ba97SEli Cohen 	return 0;
2089e126ba97SEli Cohen }
2090e126ba97SEli Cohen 
2091e126ba97SEli Cohen static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr,
2092e126ba97SEli Cohen 				   int attr_mask)
2093e126ba97SEli Cohen {
2094e126ba97SEli Cohen 	u32 hw_access_flags = 0;
2095e126ba97SEli Cohen 	u8 dest_rd_atomic;
2096e126ba97SEli Cohen 	u32 access_flags;
2097e126ba97SEli Cohen 
2098e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)
2099e126ba97SEli Cohen 		dest_rd_atomic = attr->max_dest_rd_atomic;
2100e126ba97SEli Cohen 	else
210119098df2Smajd@mellanox.com 		dest_rd_atomic = qp->trans_qp.resp_depth;
2102e126ba97SEli Cohen 
2103e126ba97SEli Cohen 	if (attr_mask & IB_QP_ACCESS_FLAGS)
2104e126ba97SEli Cohen 		access_flags = attr->qp_access_flags;
2105e126ba97SEli Cohen 	else
210619098df2Smajd@mellanox.com 		access_flags = qp->trans_qp.atomic_rd_en;
2107e126ba97SEli Cohen 
2108e126ba97SEli Cohen 	if (!dest_rd_atomic)
2109e126ba97SEli Cohen 		access_flags &= IB_ACCESS_REMOTE_WRITE;
2110e126ba97SEli Cohen 
2111e126ba97SEli Cohen 	if (access_flags & IB_ACCESS_REMOTE_READ)
2112e126ba97SEli Cohen 		hw_access_flags |= MLX5_QP_BIT_RRE;
2113e126ba97SEli Cohen 	if (access_flags & IB_ACCESS_REMOTE_ATOMIC)
2114e126ba97SEli Cohen 		hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX);
2115e126ba97SEli Cohen 	if (access_flags & IB_ACCESS_REMOTE_WRITE)
2116e126ba97SEli Cohen 		hw_access_flags |= MLX5_QP_BIT_RWE;
2117e126ba97SEli Cohen 
2118e126ba97SEli Cohen 	return cpu_to_be32(hw_access_flags);
2119e126ba97SEli Cohen }
2120e126ba97SEli Cohen 
2121e126ba97SEli Cohen enum {
2122e126ba97SEli Cohen 	MLX5_PATH_FLAG_FL	= 1 << 0,
2123e126ba97SEli Cohen 	MLX5_PATH_FLAG_FREE_AR	= 1 << 1,
2124e126ba97SEli Cohen 	MLX5_PATH_FLAG_COUNTER	= 1 << 2,
2125e126ba97SEli Cohen };
2126e126ba97SEli Cohen 
2127e126ba97SEli Cohen static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate)
2128e126ba97SEli Cohen {
2129e126ba97SEli Cohen 	if (rate == IB_RATE_PORT_CURRENT) {
2130e126ba97SEli Cohen 		return 0;
2131e126ba97SEli Cohen 	} else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) {
2132e126ba97SEli Cohen 		return -EINVAL;
2133e126ba97SEli Cohen 	} else {
2134e126ba97SEli Cohen 		while (rate != IB_RATE_2_5_GBPS &&
2135e126ba97SEli Cohen 		       !(1 << (rate + MLX5_STAT_RATE_OFFSET) &
2136938fe83cSSaeed Mahameed 			 MLX5_CAP_GEN(dev->mdev, stat_rate_support)))
2137e126ba97SEli Cohen 			--rate;
2138e126ba97SEli Cohen 	}
2139e126ba97SEli Cohen 
2140e126ba97SEli Cohen 	return rate + MLX5_STAT_RATE_OFFSET;
2141e126ba97SEli Cohen }
2142e126ba97SEli Cohen 
214375850d0bSmajd@mellanox.com static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev,
214475850d0bSmajd@mellanox.com 				      struct mlx5_ib_sq *sq, u8 sl)
214575850d0bSmajd@mellanox.com {
214675850d0bSmajd@mellanox.com 	void *in;
214775850d0bSmajd@mellanox.com 	void *tisc;
214875850d0bSmajd@mellanox.com 	int inlen;
214975850d0bSmajd@mellanox.com 	int err;
215075850d0bSmajd@mellanox.com 
215175850d0bSmajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(modify_tis_in);
215275850d0bSmajd@mellanox.com 	in = mlx5_vzalloc(inlen);
215375850d0bSmajd@mellanox.com 	if (!in)
215475850d0bSmajd@mellanox.com 		return -ENOMEM;
215575850d0bSmajd@mellanox.com 
215675850d0bSmajd@mellanox.com 	MLX5_SET(modify_tis_in, in, bitmask.prio, 1);
215775850d0bSmajd@mellanox.com 
215875850d0bSmajd@mellanox.com 	tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx);
215975850d0bSmajd@mellanox.com 	MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1));
216075850d0bSmajd@mellanox.com 
216175850d0bSmajd@mellanox.com 	err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen);
216275850d0bSmajd@mellanox.com 
216375850d0bSmajd@mellanox.com 	kvfree(in);
216475850d0bSmajd@mellanox.com 
216575850d0bSmajd@mellanox.com 	return err;
216675850d0bSmajd@mellanox.com }
216775850d0bSmajd@mellanox.com 
216813eab21fSAviv Heller static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev,
216913eab21fSAviv Heller 					 struct mlx5_ib_sq *sq, u8 tx_affinity)
217013eab21fSAviv Heller {
217113eab21fSAviv Heller 	void *in;
217213eab21fSAviv Heller 	void *tisc;
217313eab21fSAviv Heller 	int inlen;
217413eab21fSAviv Heller 	int err;
217513eab21fSAviv Heller 
217613eab21fSAviv Heller 	inlen = MLX5_ST_SZ_BYTES(modify_tis_in);
217713eab21fSAviv Heller 	in = mlx5_vzalloc(inlen);
217813eab21fSAviv Heller 	if (!in)
217913eab21fSAviv Heller 		return -ENOMEM;
218013eab21fSAviv Heller 
218113eab21fSAviv Heller 	MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1);
218213eab21fSAviv Heller 
218313eab21fSAviv Heller 	tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx);
218413eab21fSAviv Heller 	MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity);
218513eab21fSAviv Heller 
218613eab21fSAviv Heller 	err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen);
218713eab21fSAviv Heller 
218813eab21fSAviv Heller 	kvfree(in);
218913eab21fSAviv Heller 
219013eab21fSAviv Heller 	return err;
219113eab21fSAviv Heller }
219213eab21fSAviv Heller 
219375850d0bSmajd@mellanox.com static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
219475850d0bSmajd@mellanox.com 			 const struct ib_ah_attr *ah,
2195e126ba97SEli Cohen 			 struct mlx5_qp_path *path, u8 port, int attr_mask,
2196f879ee8dSAchiad Shochat 			 u32 path_flags, const struct ib_qp_attr *attr,
2197f879ee8dSAchiad Shochat 			 bool alt)
2198e126ba97SEli Cohen {
21992811ba51SAchiad Shochat 	enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port);
2200e126ba97SEli Cohen 	int err;
2201ed88451eSMajd Dibbiny 	enum ib_gid_type gid_type;
2202e126ba97SEli Cohen 
2203e126ba97SEli Cohen 	if (attr_mask & IB_QP_PKEY_INDEX)
2204f879ee8dSAchiad Shochat 		path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index :
2205f879ee8dSAchiad Shochat 						     attr->pkey_index);
2206e126ba97SEli Cohen 
2207e126ba97SEli Cohen 	if (ah->ah_flags & IB_AH_GRH) {
2208938fe83cSSaeed Mahameed 		if (ah->grh.sgid_index >=
2209938fe83cSSaeed Mahameed 		    dev->mdev->port_caps[port - 1].gid_table_len) {
2210f4f01b54SJoe Perches 			pr_err("sgid_index (%u) too large. max is %d\n",
2211938fe83cSSaeed Mahameed 			       ah->grh.sgid_index,
2212938fe83cSSaeed Mahameed 			       dev->mdev->port_caps[port - 1].gid_table_len);
2213f83b4263SEli Cohen 			return -EINVAL;
2214f83b4263SEli Cohen 		}
22152811ba51SAchiad Shochat 	}
22162811ba51SAchiad Shochat 
22172811ba51SAchiad Shochat 	if (ll == IB_LINK_LAYER_ETHERNET) {
22182811ba51SAchiad Shochat 		if (!(ah->ah_flags & IB_AH_GRH))
22192811ba51SAchiad Shochat 			return -EINVAL;
2220ed88451eSMajd Dibbiny 		err = mlx5_get_roce_gid_type(dev, port, ah->grh.sgid_index,
2221ed88451eSMajd Dibbiny 					     &gid_type);
2222ed88451eSMajd Dibbiny 		if (err)
2223ed88451eSMajd Dibbiny 			return err;
22242811ba51SAchiad Shochat 		memcpy(path->rmac, ah->dmac, sizeof(ah->dmac));
22252811ba51SAchiad Shochat 		path->udp_sport = mlx5_get_roce_udp_sport(dev, port,
22262811ba51SAchiad Shochat 							  ah->grh.sgid_index);
22272811ba51SAchiad Shochat 		path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4;
2228ed88451eSMajd Dibbiny 		if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
2229ed88451eSMajd Dibbiny 			path->ecn_dscp = (ah->grh.traffic_class >> 2) & 0x3f;
22302811ba51SAchiad Shochat 	} else {
2231d3ae2bdeSNoa Osherovich 		path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0;
2232d3ae2bdeSNoa Osherovich 		path->fl_free_ar |=
2233d3ae2bdeSNoa Osherovich 			(path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0;
22342811ba51SAchiad Shochat 		path->rlid = cpu_to_be16(ah->dlid);
22352811ba51SAchiad Shochat 		path->grh_mlid = ah->src_path_bits & 0x7f;
22362811ba51SAchiad Shochat 		if (ah->ah_flags & IB_AH_GRH)
2237e126ba97SEli Cohen 			path->grh_mlid	|= 1 << 7;
22382811ba51SAchiad Shochat 		path->dci_cfi_prio_sl = ah->sl & 0xf;
22392811ba51SAchiad Shochat 	}
22402811ba51SAchiad Shochat 
22412811ba51SAchiad Shochat 	if (ah->ah_flags & IB_AH_GRH) {
2242e126ba97SEli Cohen 		path->mgid_index = ah->grh.sgid_index;
2243e126ba97SEli Cohen 		path->hop_limit  = ah->grh.hop_limit;
2244e126ba97SEli Cohen 		path->tclass_flowlabel =
2245e126ba97SEli Cohen 			cpu_to_be32((ah->grh.traffic_class << 20) |
2246e126ba97SEli Cohen 				    (ah->grh.flow_label));
2247e126ba97SEli Cohen 		memcpy(path->rgid, ah->grh.dgid.raw, 16);
2248e126ba97SEli Cohen 	}
2249e126ba97SEli Cohen 
2250e126ba97SEli Cohen 	err = ib_rate_to_mlx5(dev, ah->static_rate);
2251e126ba97SEli Cohen 	if (err < 0)
2252e126ba97SEli Cohen 		return err;
2253e126ba97SEli Cohen 	path->static_rate = err;
2254e126ba97SEli Cohen 	path->port = port;
2255e126ba97SEli Cohen 
2256e126ba97SEli Cohen 	if (attr_mask & IB_QP_TIMEOUT)
2257f879ee8dSAchiad Shochat 		path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3;
2258e126ba97SEli Cohen 
225975850d0bSmajd@mellanox.com 	if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt)
226075850d0bSmajd@mellanox.com 		return modify_raw_packet_eth_prio(dev->mdev,
226175850d0bSmajd@mellanox.com 						  &qp->raw_packet_qp.sq,
226275850d0bSmajd@mellanox.com 						  ah->sl & 0xf);
226375850d0bSmajd@mellanox.com 
2264e126ba97SEli Cohen 	return 0;
2265e126ba97SEli Cohen }
2266e126ba97SEli Cohen 
2267e126ba97SEli Cohen static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = {
2268e126ba97SEli Cohen 	[MLX5_QP_STATE_INIT] = {
2269e126ba97SEli Cohen 		[MLX5_QP_STATE_INIT] = {
2270e126ba97SEli Cohen 			[MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE		|
2271e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RAE		|
2272e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE		|
2273e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PKEY_INDEX	|
2274e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PRI_PORT,
2275e126ba97SEli Cohen 			[MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE		|
2276e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PKEY_INDEX	|
2277e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PRI_PORT,
2278e126ba97SEli Cohen 			[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX	|
2279e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_Q_KEY		|
2280e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PRI_PORT,
2281e126ba97SEli Cohen 		},
2282e126ba97SEli Cohen 		[MLX5_QP_STATE_RTR] = {
2283e126ba97SEli Cohen 			[MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH  |
2284e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RRE            |
2285e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RAE            |
2286e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE            |
2287e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PKEY_INDEX,
2288e126ba97SEli Cohen 			[MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH  |
2289e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE            |
2290e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PKEY_INDEX,
2291e126ba97SEli Cohen 			[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX     |
2292e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_Q_KEY,
2293e126ba97SEli Cohen 			[MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX	|
2294e126ba97SEli Cohen 					   MLX5_QP_OPTPAR_Q_KEY,
2295a4774e90SEli Cohen 			[MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH |
2296a4774e90SEli Cohen 					  MLX5_QP_OPTPAR_RRE            |
2297a4774e90SEli Cohen 					  MLX5_QP_OPTPAR_RAE            |
2298a4774e90SEli Cohen 					  MLX5_QP_OPTPAR_RWE            |
2299a4774e90SEli Cohen 					  MLX5_QP_OPTPAR_PKEY_INDEX,
2300e126ba97SEli Cohen 		},
2301e126ba97SEli Cohen 	},
2302e126ba97SEli Cohen 	[MLX5_QP_STATE_RTR] = {
2303e126ba97SEli Cohen 		[MLX5_QP_STATE_RTS] = {
2304e126ba97SEli Cohen 			[MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH	|
2305e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RRE		|
2306e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RAE		|
2307e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE		|
2308e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PM_STATE	|
2309e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RNR_TIMEOUT,
2310e126ba97SEli Cohen 			[MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH	|
2311e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE		|
2312e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_PM_STATE,
2313e126ba97SEli Cohen 			[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY,
2314e126ba97SEli Cohen 		},
2315e126ba97SEli Cohen 	},
2316e126ba97SEli Cohen 	[MLX5_QP_STATE_RTS] = {
2317e126ba97SEli Cohen 		[MLX5_QP_STATE_RTS] = {
2318e126ba97SEli Cohen 			[MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE		|
2319e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RAE		|
2320e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RWE		|
2321e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_RNR_TIMEOUT	|
2322c2a3431eSEli Cohen 					  MLX5_QP_OPTPAR_PM_STATE	|
2323c2a3431eSEli Cohen 					  MLX5_QP_OPTPAR_ALT_ADDR_PATH,
2324e126ba97SEli Cohen 			[MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE		|
2325c2a3431eSEli Cohen 					  MLX5_QP_OPTPAR_PM_STATE	|
2326c2a3431eSEli Cohen 					  MLX5_QP_OPTPAR_ALT_ADDR_PATH,
2327e126ba97SEli Cohen 			[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY		|
2328e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_SRQN		|
2329e126ba97SEli Cohen 					  MLX5_QP_OPTPAR_CQN_RCV,
2330e126ba97SEli Cohen 		},
2331e126ba97SEli Cohen 	},
2332e126ba97SEli Cohen 	[MLX5_QP_STATE_SQER] = {
2333e126ba97SEli Cohen 		[MLX5_QP_STATE_RTS] = {
2334e126ba97SEli Cohen 			[MLX5_QP_ST_UD]	 = MLX5_QP_OPTPAR_Q_KEY,
2335e126ba97SEli Cohen 			[MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY,
233675959f56SEli Cohen 			[MLX5_QP_ST_UC]	 = MLX5_QP_OPTPAR_RWE,
2337a4774e90SEli Cohen 			[MLX5_QP_ST_RC]	 = MLX5_QP_OPTPAR_RNR_TIMEOUT	|
2338a4774e90SEli Cohen 					   MLX5_QP_OPTPAR_RWE		|
2339a4774e90SEli Cohen 					   MLX5_QP_OPTPAR_RAE		|
2340a4774e90SEli Cohen 					   MLX5_QP_OPTPAR_RRE,
2341e126ba97SEli Cohen 		},
2342e126ba97SEli Cohen 	},
2343e126ba97SEli Cohen };
2344e126ba97SEli Cohen 
2345e126ba97SEli Cohen static int ib_nr_to_mlx5_nr(int ib_mask)
2346e126ba97SEli Cohen {
2347e126ba97SEli Cohen 	switch (ib_mask) {
2348e126ba97SEli Cohen 	case IB_QP_STATE:
2349e126ba97SEli Cohen 		return 0;
2350e126ba97SEli Cohen 	case IB_QP_CUR_STATE:
2351e126ba97SEli Cohen 		return 0;
2352e126ba97SEli Cohen 	case IB_QP_EN_SQD_ASYNC_NOTIFY:
2353e126ba97SEli Cohen 		return 0;
2354e126ba97SEli Cohen 	case IB_QP_ACCESS_FLAGS:
2355e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE |
2356e126ba97SEli Cohen 			MLX5_QP_OPTPAR_RAE;
2357e126ba97SEli Cohen 	case IB_QP_PKEY_INDEX:
2358e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_PKEY_INDEX;
2359e126ba97SEli Cohen 	case IB_QP_PORT:
2360e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_PRI_PORT;
2361e126ba97SEli Cohen 	case IB_QP_QKEY:
2362e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_Q_KEY;
2363e126ba97SEli Cohen 	case IB_QP_AV:
2364e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH |
2365e126ba97SEli Cohen 			MLX5_QP_OPTPAR_PRI_PORT;
2366e126ba97SEli Cohen 	case IB_QP_PATH_MTU:
2367e126ba97SEli Cohen 		return 0;
2368e126ba97SEli Cohen 	case IB_QP_TIMEOUT:
2369e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_ACK_TIMEOUT;
2370e126ba97SEli Cohen 	case IB_QP_RETRY_CNT:
2371e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_RETRY_COUNT;
2372e126ba97SEli Cohen 	case IB_QP_RNR_RETRY:
2373e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_RNR_RETRY;
2374e126ba97SEli Cohen 	case IB_QP_RQ_PSN:
2375e126ba97SEli Cohen 		return 0;
2376e126ba97SEli Cohen 	case IB_QP_MAX_QP_RD_ATOMIC:
2377e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_SRA_MAX;
2378e126ba97SEli Cohen 	case IB_QP_ALT_PATH:
2379e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_ALT_ADDR_PATH;
2380e126ba97SEli Cohen 	case IB_QP_MIN_RNR_TIMER:
2381e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_RNR_TIMEOUT;
2382e126ba97SEli Cohen 	case IB_QP_SQ_PSN:
2383e126ba97SEli Cohen 		return 0;
2384e126ba97SEli Cohen 	case IB_QP_MAX_DEST_RD_ATOMIC:
2385e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE |
2386e126ba97SEli Cohen 			MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE;
2387e126ba97SEli Cohen 	case IB_QP_PATH_MIG_STATE:
2388e126ba97SEli Cohen 		return MLX5_QP_OPTPAR_PM_STATE;
2389e126ba97SEli Cohen 	case IB_QP_CAP:
2390e126ba97SEli Cohen 		return 0;
2391e126ba97SEli Cohen 	case IB_QP_DEST_QPN:
2392e126ba97SEli Cohen 		return 0;
2393e126ba97SEli Cohen 	}
2394e126ba97SEli Cohen 	return 0;
2395e126ba97SEli Cohen }
2396e126ba97SEli Cohen 
2397e126ba97SEli Cohen static int ib_mask_to_mlx5_opt(int ib_mask)
2398e126ba97SEli Cohen {
2399e126ba97SEli Cohen 	int result = 0;
2400e126ba97SEli Cohen 	int i;
2401e126ba97SEli Cohen 
2402e126ba97SEli Cohen 	for (i = 0; i < 8 * sizeof(int); i++) {
2403e126ba97SEli Cohen 		if ((1 << i) & ib_mask)
2404e126ba97SEli Cohen 			result |= ib_nr_to_mlx5_nr(1 << i);
2405e126ba97SEli Cohen 	}
2406e126ba97SEli Cohen 
2407e126ba97SEli Cohen 	return result;
2408e126ba97SEli Cohen }
2409e126ba97SEli Cohen 
2410eb49ab0cSAlex Vesker static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
2411eb49ab0cSAlex Vesker 				   struct mlx5_ib_rq *rq, int new_state,
2412eb49ab0cSAlex Vesker 				   const struct mlx5_modify_raw_qp_param *raw_qp_param)
2413ad5f8e96Smajd@mellanox.com {
2414ad5f8e96Smajd@mellanox.com 	void *in;
2415ad5f8e96Smajd@mellanox.com 	void *rqc;
2416ad5f8e96Smajd@mellanox.com 	int inlen;
2417ad5f8e96Smajd@mellanox.com 	int err;
2418ad5f8e96Smajd@mellanox.com 
2419ad5f8e96Smajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
2420ad5f8e96Smajd@mellanox.com 	in = mlx5_vzalloc(inlen);
2421ad5f8e96Smajd@mellanox.com 	if (!in)
2422ad5f8e96Smajd@mellanox.com 		return -ENOMEM;
2423ad5f8e96Smajd@mellanox.com 
2424ad5f8e96Smajd@mellanox.com 	MLX5_SET(modify_rq_in, in, rq_state, rq->state);
2425ad5f8e96Smajd@mellanox.com 
2426ad5f8e96Smajd@mellanox.com 	rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
2427ad5f8e96Smajd@mellanox.com 	MLX5_SET(rqc, rqc, state, new_state);
2428ad5f8e96Smajd@mellanox.com 
2429eb49ab0cSAlex Vesker 	if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) {
2430eb49ab0cSAlex Vesker 		if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) {
2431eb49ab0cSAlex Vesker 			MLX5_SET64(modify_rq_in, in, modify_bitmask,
243223a6964eSMajd Dibbiny 				   MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID);
2433eb49ab0cSAlex Vesker 			MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id);
2434eb49ab0cSAlex Vesker 		} else
2435eb49ab0cSAlex Vesker 			pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n",
2436eb49ab0cSAlex Vesker 				     dev->ib_dev.name);
2437eb49ab0cSAlex Vesker 	}
2438eb49ab0cSAlex Vesker 
2439eb49ab0cSAlex Vesker 	err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen);
2440ad5f8e96Smajd@mellanox.com 	if (err)
2441ad5f8e96Smajd@mellanox.com 		goto out;
2442ad5f8e96Smajd@mellanox.com 
2443ad5f8e96Smajd@mellanox.com 	rq->state = new_state;
2444ad5f8e96Smajd@mellanox.com 
2445ad5f8e96Smajd@mellanox.com out:
2446ad5f8e96Smajd@mellanox.com 	kvfree(in);
2447ad5f8e96Smajd@mellanox.com 	return err;
2448ad5f8e96Smajd@mellanox.com }
2449ad5f8e96Smajd@mellanox.com 
2450ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev,
24517d29f349SBodong Wang 				   struct mlx5_ib_sq *sq,
24527d29f349SBodong Wang 				   int new_state,
24537d29f349SBodong Wang 				   const struct mlx5_modify_raw_qp_param *raw_qp_param)
2454ad5f8e96Smajd@mellanox.com {
24557d29f349SBodong Wang 	struct mlx5_ib_qp *ibqp = sq->base.container_mibqp;
24567d29f349SBodong Wang 	u32 old_rate = ibqp->rate_limit;
24577d29f349SBodong Wang 	u32 new_rate = old_rate;
24587d29f349SBodong Wang 	u16 rl_index = 0;
2459ad5f8e96Smajd@mellanox.com 	void *in;
2460ad5f8e96Smajd@mellanox.com 	void *sqc;
2461ad5f8e96Smajd@mellanox.com 	int inlen;
2462ad5f8e96Smajd@mellanox.com 	int err;
2463ad5f8e96Smajd@mellanox.com 
2464ad5f8e96Smajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(modify_sq_in);
2465ad5f8e96Smajd@mellanox.com 	in = mlx5_vzalloc(inlen);
2466ad5f8e96Smajd@mellanox.com 	if (!in)
2467ad5f8e96Smajd@mellanox.com 		return -ENOMEM;
2468ad5f8e96Smajd@mellanox.com 
2469ad5f8e96Smajd@mellanox.com 	MLX5_SET(modify_sq_in, in, sq_state, sq->state);
2470ad5f8e96Smajd@mellanox.com 
2471ad5f8e96Smajd@mellanox.com 	sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);
2472ad5f8e96Smajd@mellanox.com 	MLX5_SET(sqc, sqc, state, new_state);
2473ad5f8e96Smajd@mellanox.com 
24747d29f349SBodong Wang 	if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) {
24757d29f349SBodong Wang 		if (new_state != MLX5_SQC_STATE_RDY)
24767d29f349SBodong Wang 			pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n",
24777d29f349SBodong Wang 				__func__);
24787d29f349SBodong Wang 		else
24797d29f349SBodong Wang 			new_rate = raw_qp_param->rate_limit;
24807d29f349SBodong Wang 	}
2481ad5f8e96Smajd@mellanox.com 
24827d29f349SBodong Wang 	if (old_rate != new_rate) {
24837d29f349SBodong Wang 		if (new_rate) {
24847d29f349SBodong Wang 			err = mlx5_rl_add_rate(dev, new_rate, &rl_index);
24857d29f349SBodong Wang 			if (err) {
24867d29f349SBodong Wang 				pr_err("Failed configuring rate %u: %d\n",
24877d29f349SBodong Wang 				       new_rate, err);
24887d29f349SBodong Wang 				goto out;
24897d29f349SBodong Wang 			}
24907d29f349SBodong Wang 		}
24917d29f349SBodong Wang 
24927d29f349SBodong Wang 		MLX5_SET64(modify_sq_in, in, modify_bitmask, 1);
24937d29f349SBodong Wang 		MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index);
24947d29f349SBodong Wang 	}
24957d29f349SBodong Wang 
24967d29f349SBodong Wang 	err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen);
24977d29f349SBodong Wang 	if (err) {
24987d29f349SBodong Wang 		/* Remove new rate from table if failed */
24997d29f349SBodong Wang 		if (new_rate &&
25007d29f349SBodong Wang 		    old_rate != new_rate)
25017d29f349SBodong Wang 			mlx5_rl_remove_rate(dev, new_rate);
25027d29f349SBodong Wang 		goto out;
25037d29f349SBodong Wang 	}
25047d29f349SBodong Wang 
25057d29f349SBodong Wang 	/* Only remove the old rate after new rate was set */
25067d29f349SBodong Wang 	if ((old_rate &&
25077d29f349SBodong Wang 	    (old_rate != new_rate)) ||
25087d29f349SBodong Wang 	    (new_state != MLX5_SQC_STATE_RDY))
25097d29f349SBodong Wang 		mlx5_rl_remove_rate(dev, old_rate);
25107d29f349SBodong Wang 
25117d29f349SBodong Wang 	ibqp->rate_limit = new_rate;
2512ad5f8e96Smajd@mellanox.com 	sq->state = new_state;
2513ad5f8e96Smajd@mellanox.com 
2514ad5f8e96Smajd@mellanox.com out:
2515ad5f8e96Smajd@mellanox.com 	kvfree(in);
2516ad5f8e96Smajd@mellanox.com 	return err;
2517ad5f8e96Smajd@mellanox.com }
2518ad5f8e96Smajd@mellanox.com 
2519ad5f8e96Smajd@mellanox.com static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
252013eab21fSAviv Heller 				const struct mlx5_modify_raw_qp_param *raw_qp_param,
252113eab21fSAviv Heller 				u8 tx_affinity)
2522ad5f8e96Smajd@mellanox.com {
2523ad5f8e96Smajd@mellanox.com 	struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp;
2524ad5f8e96Smajd@mellanox.com 	struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
2525ad5f8e96Smajd@mellanox.com 	struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
25267d29f349SBodong Wang 	int modify_rq = !!qp->rq.wqe_cnt;
25277d29f349SBodong Wang 	int modify_sq = !!qp->sq.wqe_cnt;
2528ad5f8e96Smajd@mellanox.com 	int rq_state;
2529ad5f8e96Smajd@mellanox.com 	int sq_state;
2530ad5f8e96Smajd@mellanox.com 	int err;
2531ad5f8e96Smajd@mellanox.com 
25320680efa2SAlex Vesker 	switch (raw_qp_param->operation) {
2533ad5f8e96Smajd@mellanox.com 	case MLX5_CMD_OP_RST2INIT_QP:
2534ad5f8e96Smajd@mellanox.com 		rq_state = MLX5_RQC_STATE_RDY;
2535ad5f8e96Smajd@mellanox.com 		sq_state = MLX5_SQC_STATE_RDY;
2536ad5f8e96Smajd@mellanox.com 		break;
2537ad5f8e96Smajd@mellanox.com 	case MLX5_CMD_OP_2ERR_QP:
2538ad5f8e96Smajd@mellanox.com 		rq_state = MLX5_RQC_STATE_ERR;
2539ad5f8e96Smajd@mellanox.com 		sq_state = MLX5_SQC_STATE_ERR;
2540ad5f8e96Smajd@mellanox.com 		break;
2541ad5f8e96Smajd@mellanox.com 	case MLX5_CMD_OP_2RST_QP:
2542ad5f8e96Smajd@mellanox.com 		rq_state = MLX5_RQC_STATE_RST;
2543ad5f8e96Smajd@mellanox.com 		sq_state = MLX5_SQC_STATE_RST;
2544ad5f8e96Smajd@mellanox.com 		break;
2545ad5f8e96Smajd@mellanox.com 	case MLX5_CMD_OP_RTR2RTS_QP:
2546ad5f8e96Smajd@mellanox.com 	case MLX5_CMD_OP_RTS2RTS_QP:
25477d29f349SBodong Wang 		if (raw_qp_param->set_mask ==
25487d29f349SBodong Wang 		    MLX5_RAW_QP_RATE_LIMIT) {
25497d29f349SBodong Wang 			modify_rq = 0;
25507d29f349SBodong Wang 			sq_state = sq->state;
25517d29f349SBodong Wang 		} else {
25527d29f349SBodong Wang 			return raw_qp_param->set_mask ? -EINVAL : 0;
25537d29f349SBodong Wang 		}
25547d29f349SBodong Wang 		break;
25557d29f349SBodong Wang 	case MLX5_CMD_OP_INIT2INIT_QP:
25567d29f349SBodong Wang 	case MLX5_CMD_OP_INIT2RTR_QP:
2557eb49ab0cSAlex Vesker 		if (raw_qp_param->set_mask)
2558eb49ab0cSAlex Vesker 			return -EINVAL;
2559eb49ab0cSAlex Vesker 		else
2560ad5f8e96Smajd@mellanox.com 			return 0;
2561ad5f8e96Smajd@mellanox.com 	default:
2562ad5f8e96Smajd@mellanox.com 		WARN_ON(1);
2563ad5f8e96Smajd@mellanox.com 		return -EINVAL;
2564ad5f8e96Smajd@mellanox.com 	}
2565ad5f8e96Smajd@mellanox.com 
25667d29f349SBodong Wang 	if (modify_rq) {
2567eb49ab0cSAlex Vesker 		err =  modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param);
2568ad5f8e96Smajd@mellanox.com 		if (err)
2569ad5f8e96Smajd@mellanox.com 			return err;
2570ad5f8e96Smajd@mellanox.com 	}
2571ad5f8e96Smajd@mellanox.com 
25727d29f349SBodong Wang 	if (modify_sq) {
257313eab21fSAviv Heller 		if (tx_affinity) {
257413eab21fSAviv Heller 			err = modify_raw_packet_tx_affinity(dev->mdev, sq,
257513eab21fSAviv Heller 							    tx_affinity);
257613eab21fSAviv Heller 			if (err)
257713eab21fSAviv Heller 				return err;
257813eab21fSAviv Heller 		}
257913eab21fSAviv Heller 
25807d29f349SBodong Wang 		return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param);
258113eab21fSAviv Heller 	}
2582ad5f8e96Smajd@mellanox.com 
2583ad5f8e96Smajd@mellanox.com 	return 0;
2584ad5f8e96Smajd@mellanox.com }
2585ad5f8e96Smajd@mellanox.com 
2586e126ba97SEli Cohen static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
2587e126ba97SEli Cohen 			       const struct ib_qp_attr *attr, int attr_mask,
2588e126ba97SEli Cohen 			       enum ib_qp_state cur_state, enum ib_qp_state new_state)
2589e126ba97SEli Cohen {
2590427c1e7bSmajd@mellanox.com 	static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = {
2591427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_RST] = {
2592427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2593427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2594427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_INIT]	= MLX5_CMD_OP_RST2INIT_QP,
2595427c1e7bSmajd@mellanox.com 		},
2596427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_INIT]  = {
2597427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2598427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2599427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_INIT]	= MLX5_CMD_OP_INIT2INIT_QP,
2600427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RTR]	= MLX5_CMD_OP_INIT2RTR_QP,
2601427c1e7bSmajd@mellanox.com 		},
2602427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_RTR]   = {
2603427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2604427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2605427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RTS]	= MLX5_CMD_OP_RTR2RTS_QP,
2606427c1e7bSmajd@mellanox.com 		},
2607427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_RTS]   = {
2608427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2609427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2610427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RTS]	= MLX5_CMD_OP_RTS2RTS_QP,
2611427c1e7bSmajd@mellanox.com 		},
2612427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_SQD] = {
2613427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2614427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2615427c1e7bSmajd@mellanox.com 		},
2616427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_SQER] = {
2617427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2618427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2619427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RTS]	= MLX5_CMD_OP_SQERR2RTS_QP,
2620427c1e7bSmajd@mellanox.com 		},
2621427c1e7bSmajd@mellanox.com 		[MLX5_QP_STATE_ERR] = {
2622427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_RST]	= MLX5_CMD_OP_2RST_QP,
2623427c1e7bSmajd@mellanox.com 			[MLX5_QP_STATE_ERR]	= MLX5_CMD_OP_2ERR_QP,
2624427c1e7bSmajd@mellanox.com 		}
2625427c1e7bSmajd@mellanox.com 	};
2626427c1e7bSmajd@mellanox.com 
2627e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
2628e126ba97SEli Cohen 	struct mlx5_ib_qp *qp = to_mqp(ibqp);
262919098df2Smajd@mellanox.com 	struct mlx5_ib_qp_base *base = &qp->trans_qp.base;
2630e126ba97SEli Cohen 	struct mlx5_ib_cq *send_cq, *recv_cq;
2631e126ba97SEli Cohen 	struct mlx5_qp_context *context;
2632e126ba97SEli Cohen 	struct mlx5_ib_pd *pd;
2633eb49ab0cSAlex Vesker 	struct mlx5_ib_port *mibport = NULL;
2634e126ba97SEli Cohen 	enum mlx5_qp_state mlx5_cur, mlx5_new;
2635e126ba97SEli Cohen 	enum mlx5_qp_optpar optpar;
2636e126ba97SEli Cohen 	int mlx5_st;
2637e126ba97SEli Cohen 	int err;
2638427c1e7bSmajd@mellanox.com 	u16 op;
263913eab21fSAviv Heller 	u8 tx_affinity = 0;
2640e126ba97SEli Cohen 
26411a412fb1SSaeed Mahameed 	context = kzalloc(sizeof(*context), GFP_KERNEL);
26421a412fb1SSaeed Mahameed 	if (!context)
2643e126ba97SEli Cohen 		return -ENOMEM;
2644e126ba97SEli Cohen 
2645e126ba97SEli Cohen 	err = to_mlx5_st(ibqp->qp_type);
2646158abf86SHaggai Eran 	if (err < 0) {
2647158abf86SHaggai Eran 		mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type);
2648e126ba97SEli Cohen 		goto out;
2649158abf86SHaggai Eran 	}
2650e126ba97SEli Cohen 
2651e126ba97SEli Cohen 	context->flags = cpu_to_be32(err << 16);
2652e126ba97SEli Cohen 
2653e126ba97SEli Cohen 	if (!(attr_mask & IB_QP_PATH_MIG_STATE)) {
2654e126ba97SEli Cohen 		context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11);
2655e126ba97SEli Cohen 	} else {
2656e126ba97SEli Cohen 		switch (attr->path_mig_state) {
2657e126ba97SEli Cohen 		case IB_MIG_MIGRATED:
2658e126ba97SEli Cohen 			context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11);
2659e126ba97SEli Cohen 			break;
2660e126ba97SEli Cohen 		case IB_MIG_REARM:
2661e126ba97SEli Cohen 			context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11);
2662e126ba97SEli Cohen 			break;
2663e126ba97SEli Cohen 		case IB_MIG_ARMED:
2664e126ba97SEli Cohen 			context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11);
2665e126ba97SEli Cohen 			break;
2666e126ba97SEli Cohen 		}
2667e126ba97SEli Cohen 	}
2668e126ba97SEli Cohen 
266913eab21fSAviv Heller 	if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) {
267013eab21fSAviv Heller 		if ((ibqp->qp_type == IB_QPT_RC) ||
267113eab21fSAviv Heller 		    (ibqp->qp_type == IB_QPT_UD &&
267213eab21fSAviv Heller 		     !(qp->flags & MLX5_IB_QP_SQPN_QP1)) ||
267313eab21fSAviv Heller 		    (ibqp->qp_type == IB_QPT_UC) ||
267413eab21fSAviv Heller 		    (ibqp->qp_type == IB_QPT_RAW_PACKET) ||
267513eab21fSAviv Heller 		    (ibqp->qp_type == IB_QPT_XRC_INI) ||
267613eab21fSAviv Heller 		    (ibqp->qp_type == IB_QPT_XRC_TGT)) {
267713eab21fSAviv Heller 			if (mlx5_lag_is_active(dev->mdev)) {
267813eab21fSAviv Heller 				tx_affinity = (unsigned int)atomic_add_return(1,
267913eab21fSAviv Heller 						&dev->roce.next_port) %
268013eab21fSAviv Heller 						MLX5_MAX_PORTS + 1;
268113eab21fSAviv Heller 				context->flags |= cpu_to_be32(tx_affinity << 24);
268213eab21fSAviv Heller 			}
268313eab21fSAviv Heller 		}
268413eab21fSAviv Heller 	}
268513eab21fSAviv Heller 
2686d16e91daSHaggai Eran 	if (is_sqp(ibqp->qp_type)) {
2687e126ba97SEli Cohen 		context->mtu_msgmax = (IB_MTU_256 << 5) | 8;
2688e126ba97SEli Cohen 	} else if (ibqp->qp_type == IB_QPT_UD ||
2689e126ba97SEli Cohen 		   ibqp->qp_type == MLX5_IB_QPT_REG_UMR) {
2690e126ba97SEli Cohen 		context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
2691e126ba97SEli Cohen 	} else if (attr_mask & IB_QP_PATH_MTU) {
2692e126ba97SEli Cohen 		if (attr->path_mtu < IB_MTU_256 ||
2693e126ba97SEli Cohen 		    attr->path_mtu > IB_MTU_4096) {
2694e126ba97SEli Cohen 			mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu);
2695e126ba97SEli Cohen 			err = -EINVAL;
2696e126ba97SEli Cohen 			goto out;
2697e126ba97SEli Cohen 		}
2698938fe83cSSaeed Mahameed 		context->mtu_msgmax = (attr->path_mtu << 5) |
2699938fe83cSSaeed Mahameed 				      (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg);
2700e126ba97SEli Cohen 	}
2701e126ba97SEli Cohen 
2702e126ba97SEli Cohen 	if (attr_mask & IB_QP_DEST_QPN)
2703e126ba97SEli Cohen 		context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num);
2704e126ba97SEli Cohen 
2705e126ba97SEli Cohen 	if (attr_mask & IB_QP_PKEY_INDEX)
2706d3ae2bdeSNoa Osherovich 		context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index);
2707e126ba97SEli Cohen 
2708e126ba97SEli Cohen 	/* todo implement counter_index functionality */
2709e126ba97SEli Cohen 
2710e126ba97SEli Cohen 	if (is_sqp(ibqp->qp_type))
2711e126ba97SEli Cohen 		context->pri_path.port = qp->port;
2712e126ba97SEli Cohen 
2713e126ba97SEli Cohen 	if (attr_mask & IB_QP_PORT)
2714e126ba97SEli Cohen 		context->pri_path.port = attr->port_num;
2715e126ba97SEli Cohen 
2716e126ba97SEli Cohen 	if (attr_mask & IB_QP_AV) {
271775850d0bSmajd@mellanox.com 		err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path,
2718e126ba97SEli Cohen 				    attr_mask & IB_QP_PORT ? attr->port_num : qp->port,
2719f879ee8dSAchiad Shochat 				    attr_mask, 0, attr, false);
2720e126ba97SEli Cohen 		if (err)
2721e126ba97SEli Cohen 			goto out;
2722e126ba97SEli Cohen 	}
2723e126ba97SEli Cohen 
2724e126ba97SEli Cohen 	if (attr_mask & IB_QP_TIMEOUT)
2725e126ba97SEli Cohen 		context->pri_path.ackto_lt |= attr->timeout << 3;
2726e126ba97SEli Cohen 
2727e126ba97SEli Cohen 	if (attr_mask & IB_QP_ALT_PATH) {
272875850d0bSmajd@mellanox.com 		err = mlx5_set_path(dev, qp, &attr->alt_ah_attr,
272975850d0bSmajd@mellanox.com 				    &context->alt_path,
2730f879ee8dSAchiad Shochat 				    attr->alt_port_num,
2731f879ee8dSAchiad Shochat 				    attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT,
2732f879ee8dSAchiad Shochat 				    0, attr, true);
2733e126ba97SEli Cohen 		if (err)
2734e126ba97SEli Cohen 			goto out;
2735e126ba97SEli Cohen 	}
2736e126ba97SEli Cohen 
2737e126ba97SEli Cohen 	pd = get_pd(qp);
273889ea94a7SMaor Gottlieb 	get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq,
273989ea94a7SMaor Gottlieb 		&send_cq, &recv_cq);
2740e126ba97SEli Cohen 
2741e126ba97SEli Cohen 	context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn);
2742e126ba97SEli Cohen 	context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0;
2743e126ba97SEli Cohen 	context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0;
2744e126ba97SEli Cohen 	context->params1  = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28);
2745e126ba97SEli Cohen 
2746e126ba97SEli Cohen 	if (attr_mask & IB_QP_RNR_RETRY)
2747e126ba97SEli Cohen 		context->params1 |= cpu_to_be32(attr->rnr_retry << 13);
2748e126ba97SEli Cohen 
2749e126ba97SEli Cohen 	if (attr_mask & IB_QP_RETRY_CNT)
2750e126ba97SEli Cohen 		context->params1 |= cpu_to_be32(attr->retry_cnt << 16);
2751e126ba97SEli Cohen 
2752e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
2753e126ba97SEli Cohen 		if (attr->max_rd_atomic)
2754e126ba97SEli Cohen 			context->params1 |=
2755e126ba97SEli Cohen 				cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21);
2756e126ba97SEli Cohen 	}
2757e126ba97SEli Cohen 
2758e126ba97SEli Cohen 	if (attr_mask & IB_QP_SQ_PSN)
2759e126ba97SEli Cohen 		context->next_send_psn = cpu_to_be32(attr->sq_psn);
2760e126ba97SEli Cohen 
2761e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
2762e126ba97SEli Cohen 		if (attr->max_dest_rd_atomic)
2763e126ba97SEli Cohen 			context->params2 |=
2764e126ba97SEli Cohen 				cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21);
2765e126ba97SEli Cohen 	}
2766e126ba97SEli Cohen 
2767e126ba97SEli Cohen 	if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC))
2768e126ba97SEli Cohen 		context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask);
2769e126ba97SEli Cohen 
2770e126ba97SEli Cohen 	if (attr_mask & IB_QP_MIN_RNR_TIMER)
2771e126ba97SEli Cohen 		context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24);
2772e126ba97SEli Cohen 
2773e126ba97SEli Cohen 	if (attr_mask & IB_QP_RQ_PSN)
2774e126ba97SEli Cohen 		context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn);
2775e126ba97SEli Cohen 
2776e126ba97SEli Cohen 	if (attr_mask & IB_QP_QKEY)
2777e126ba97SEli Cohen 		context->qkey = cpu_to_be32(attr->qkey);
2778e126ba97SEli Cohen 
2779e126ba97SEli Cohen 	if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT)
2780e126ba97SEli Cohen 		context->db_rec_addr = cpu_to_be64(qp->db.dma);
2781e126ba97SEli Cohen 
27820837e86aSMark Bloch 	if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
27830837e86aSMark Bloch 		u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num :
27840837e86aSMark Bloch 			       qp->port) - 1;
2785eb49ab0cSAlex Vesker 		mibport = &dev->port[port_num];
27860837e86aSMark Bloch 		context->qp_counter_set_usr_page |=
27877c16f477SKamal Heib 			cpu_to_be32((u32)(mibport->q_cnts.set_id) << 24);
27880837e86aSMark Bloch 	}
27890837e86aSMark Bloch 
2790e126ba97SEli Cohen 	if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT)
2791e126ba97SEli Cohen 		context->sq_crq_size |= cpu_to_be16(1 << 4);
2792e126ba97SEli Cohen 
2793b11a4f9cSHaggai Eran 	if (qp->flags & MLX5_IB_QP_SQPN_QP1)
2794b11a4f9cSHaggai Eran 		context->deth_sqpn = cpu_to_be32(1);
2795e126ba97SEli Cohen 
2796e126ba97SEli Cohen 	mlx5_cur = to_mlx5_state(cur_state);
2797e126ba97SEli Cohen 	mlx5_new = to_mlx5_state(new_state);
2798e126ba97SEli Cohen 	mlx5_st = to_mlx5_st(ibqp->qp_type);
279907c9113fSEli Cohen 	if (mlx5_st < 0)
2800e126ba97SEli Cohen 		goto out;
2801e126ba97SEli Cohen 
2802427c1e7bSmajd@mellanox.com 	if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE ||
2803427c1e7bSmajd@mellanox.com 	    !optab[mlx5_cur][mlx5_new])
2804427c1e7bSmajd@mellanox.com 		goto out;
2805427c1e7bSmajd@mellanox.com 
2806427c1e7bSmajd@mellanox.com 	op = optab[mlx5_cur][mlx5_new];
2807e126ba97SEli Cohen 	optpar = ib_mask_to_mlx5_opt(attr_mask);
2808e126ba97SEli Cohen 	optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st];
2809ad5f8e96Smajd@mellanox.com 
28100680efa2SAlex Vesker 	if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) {
28110680efa2SAlex Vesker 		struct mlx5_modify_raw_qp_param raw_qp_param = {};
28120680efa2SAlex Vesker 
28130680efa2SAlex Vesker 		raw_qp_param.operation = op;
2814eb49ab0cSAlex Vesker 		if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
28157c16f477SKamal Heib 			raw_qp_param.rq_q_ctr_id = mibport->q_cnts.set_id;
2816eb49ab0cSAlex Vesker 			raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID;
2817eb49ab0cSAlex Vesker 		}
28187d29f349SBodong Wang 
28197d29f349SBodong Wang 		if (attr_mask & IB_QP_RATE_LIMIT) {
28207d29f349SBodong Wang 			raw_qp_param.rate_limit = attr->rate_limit;
28217d29f349SBodong Wang 			raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT;
28227d29f349SBodong Wang 		}
28237d29f349SBodong Wang 
282413eab21fSAviv Heller 		err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity);
28250680efa2SAlex Vesker 	} else {
28261a412fb1SSaeed Mahameed 		err = mlx5_core_qp_modify(dev->mdev, op, optpar, context,
282719098df2Smajd@mellanox.com 					  &base->mqp);
28280680efa2SAlex Vesker 	}
28290680efa2SAlex Vesker 
2830e126ba97SEli Cohen 	if (err)
2831e126ba97SEli Cohen 		goto out;
2832e126ba97SEli Cohen 
2833e126ba97SEli Cohen 	qp->state = new_state;
2834e126ba97SEli Cohen 
2835e126ba97SEli Cohen 	if (attr_mask & IB_QP_ACCESS_FLAGS)
283619098df2Smajd@mellanox.com 		qp->trans_qp.atomic_rd_en = attr->qp_access_flags;
2837e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC)
283819098df2Smajd@mellanox.com 		qp->trans_qp.resp_depth = attr->max_dest_rd_atomic;
2839e126ba97SEli Cohen 	if (attr_mask & IB_QP_PORT)
2840e126ba97SEli Cohen 		qp->port = attr->port_num;
2841e126ba97SEli Cohen 	if (attr_mask & IB_QP_ALT_PATH)
284219098df2Smajd@mellanox.com 		qp->trans_qp.alt_port = attr->alt_port_num;
2843e126ba97SEli Cohen 
2844e126ba97SEli Cohen 	/*
2845e126ba97SEli Cohen 	 * If we moved a kernel QP to RESET, clean up all old CQ
2846e126ba97SEli Cohen 	 * entries and reinitialize the QP.
2847e126ba97SEli Cohen 	 */
2848e126ba97SEli Cohen 	if (new_state == IB_QPS_RESET && !ibqp->uobject) {
284919098df2Smajd@mellanox.com 		mlx5_ib_cq_clean(recv_cq, base->mqp.qpn,
2850e126ba97SEli Cohen 				 ibqp->srq ? to_msrq(ibqp->srq) : NULL);
2851e126ba97SEli Cohen 		if (send_cq != recv_cq)
285219098df2Smajd@mellanox.com 			mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL);
2853e126ba97SEli Cohen 
2854e126ba97SEli Cohen 		qp->rq.head = 0;
2855e126ba97SEli Cohen 		qp->rq.tail = 0;
2856e126ba97SEli Cohen 		qp->sq.head = 0;
2857e126ba97SEli Cohen 		qp->sq.tail = 0;
2858e126ba97SEli Cohen 		qp->sq.cur_post = 0;
2859e126ba97SEli Cohen 		qp->sq.last_poll = 0;
2860e126ba97SEli Cohen 		qp->db.db[MLX5_RCV_DBR] = 0;
2861e126ba97SEli Cohen 		qp->db.db[MLX5_SND_DBR] = 0;
2862e126ba97SEli Cohen 	}
2863e126ba97SEli Cohen 
2864e126ba97SEli Cohen out:
28651a412fb1SSaeed Mahameed 	kfree(context);
2866e126ba97SEli Cohen 	return err;
2867e126ba97SEli Cohen }
2868e126ba97SEli Cohen 
2869e126ba97SEli Cohen int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
2870e126ba97SEli Cohen 		      int attr_mask, struct ib_udata *udata)
2871e126ba97SEli Cohen {
2872e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
2873e126ba97SEli Cohen 	struct mlx5_ib_qp *qp = to_mqp(ibqp);
2874d16e91daSHaggai Eran 	enum ib_qp_type qp_type;
2875e126ba97SEli Cohen 	enum ib_qp_state cur_state, new_state;
2876e126ba97SEli Cohen 	int err = -EINVAL;
2877e126ba97SEli Cohen 	int port;
28782811ba51SAchiad Shochat 	enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED;
2879e126ba97SEli Cohen 
288028d61370SYishai Hadas 	if (ibqp->rwq_ind_tbl)
288128d61370SYishai Hadas 		return -ENOSYS;
288228d61370SYishai Hadas 
2883d16e91daSHaggai Eran 	if (unlikely(ibqp->qp_type == IB_QPT_GSI))
2884d16e91daSHaggai Eran 		return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask);
2885d16e91daSHaggai Eran 
2886d16e91daSHaggai Eran 	qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ?
2887d16e91daSHaggai Eran 		IB_QPT_GSI : ibqp->qp_type;
2888d16e91daSHaggai Eran 
2889e126ba97SEli Cohen 	mutex_lock(&qp->mutex);
2890e126ba97SEli Cohen 
2891e126ba97SEli Cohen 	cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state;
2892e126ba97SEli Cohen 	new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state;
2893e126ba97SEli Cohen 
28942811ba51SAchiad Shochat 	if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) {
28952811ba51SAchiad Shochat 		port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
28962811ba51SAchiad Shochat 		ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port);
28972811ba51SAchiad Shochat 	}
28982811ba51SAchiad Shochat 
2899d16e91daSHaggai Eran 	if (qp_type != MLX5_IB_QPT_REG_UMR &&
2900d16e91daSHaggai Eran 	    !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) {
2901158abf86SHaggai Eran 		mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n",
2902158abf86SHaggai Eran 			    cur_state, new_state, ibqp->qp_type, attr_mask);
2903e126ba97SEli Cohen 		goto out;
2904158abf86SHaggai Eran 	}
2905e126ba97SEli Cohen 
2906e126ba97SEli Cohen 	if ((attr_mask & IB_QP_PORT) &&
2907938fe83cSSaeed Mahameed 	    (attr->port_num == 0 ||
2908158abf86SHaggai Eran 	     attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) {
2909158abf86SHaggai Eran 		mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n",
2910158abf86SHaggai Eran 			    attr->port_num, dev->num_ports);
2911e126ba97SEli Cohen 		goto out;
2912158abf86SHaggai Eran 	}
2913e126ba97SEli Cohen 
2914e126ba97SEli Cohen 	if (attr_mask & IB_QP_PKEY_INDEX) {
2915e126ba97SEli Cohen 		port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
2916938fe83cSSaeed Mahameed 		if (attr->pkey_index >=
2917158abf86SHaggai Eran 		    dev->mdev->port_caps[port - 1].pkey_table_len) {
2918158abf86SHaggai Eran 			mlx5_ib_dbg(dev, "invalid pkey index %d\n",
2919158abf86SHaggai Eran 				    attr->pkey_index);
2920e126ba97SEli Cohen 			goto out;
2921e126ba97SEli Cohen 		}
2922158abf86SHaggai Eran 	}
2923e126ba97SEli Cohen 
2924e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
2925938fe83cSSaeed Mahameed 	    attr->max_rd_atomic >
2926158abf86SHaggai Eran 	    (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) {
2927158abf86SHaggai Eran 		mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n",
2928158abf86SHaggai Eran 			    attr->max_rd_atomic);
2929e126ba97SEli Cohen 		goto out;
2930158abf86SHaggai Eran 	}
2931e126ba97SEli Cohen 
2932e126ba97SEli Cohen 	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
2933938fe83cSSaeed Mahameed 	    attr->max_dest_rd_atomic >
2934158abf86SHaggai Eran 	    (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) {
2935158abf86SHaggai Eran 		mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n",
2936158abf86SHaggai Eran 			    attr->max_dest_rd_atomic);
2937e126ba97SEli Cohen 		goto out;
2938158abf86SHaggai Eran 	}
2939e126ba97SEli Cohen 
2940e126ba97SEli Cohen 	if (cur_state == new_state && cur_state == IB_QPS_RESET) {
2941e126ba97SEli Cohen 		err = 0;
2942e126ba97SEli Cohen 		goto out;
2943e126ba97SEli Cohen 	}
2944e126ba97SEli Cohen 
2945e126ba97SEli Cohen 	err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state);
2946e126ba97SEli Cohen 
2947e126ba97SEli Cohen out:
2948e126ba97SEli Cohen 	mutex_unlock(&qp->mutex);
2949e126ba97SEli Cohen 	return err;
2950e126ba97SEli Cohen }
2951e126ba97SEli Cohen 
2952e126ba97SEli Cohen static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq)
2953e126ba97SEli Cohen {
2954e126ba97SEli Cohen 	struct mlx5_ib_cq *cq;
2955e126ba97SEli Cohen 	unsigned cur;
2956e126ba97SEli Cohen 
2957e126ba97SEli Cohen 	cur = wq->head - wq->tail;
2958e126ba97SEli Cohen 	if (likely(cur + nreq < wq->max_post))
2959e126ba97SEli Cohen 		return 0;
2960e126ba97SEli Cohen 
2961e126ba97SEli Cohen 	cq = to_mcq(ib_cq);
2962e126ba97SEli Cohen 	spin_lock(&cq->lock);
2963e126ba97SEli Cohen 	cur = wq->head - wq->tail;
2964e126ba97SEli Cohen 	spin_unlock(&cq->lock);
2965e126ba97SEli Cohen 
2966e126ba97SEli Cohen 	return cur + nreq >= wq->max_post;
2967e126ba97SEli Cohen }
2968e126ba97SEli Cohen 
2969e126ba97SEli Cohen static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg,
2970e126ba97SEli Cohen 					  u64 remote_addr, u32 rkey)
2971e126ba97SEli Cohen {
2972e126ba97SEli Cohen 	rseg->raddr    = cpu_to_be64(remote_addr);
2973e126ba97SEli Cohen 	rseg->rkey     = cpu_to_be32(rkey);
2974e126ba97SEli Cohen 	rseg->reserved = 0;
2975e126ba97SEli Cohen }
2976e126ba97SEli Cohen 
2977f0313965SErez Shitrit static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg,
2978f0313965SErez Shitrit 			 struct ib_send_wr *wr, void *qend,
2979f0313965SErez Shitrit 			 struct mlx5_ib_qp *qp, int *size)
2980f0313965SErez Shitrit {
2981f0313965SErez Shitrit 	void *seg = eseg;
2982f0313965SErez Shitrit 
2983f0313965SErez Shitrit 	memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg));
2984f0313965SErez Shitrit 
2985f0313965SErez Shitrit 	if (wr->send_flags & IB_SEND_IP_CSUM)
2986f0313965SErez Shitrit 		eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM |
2987f0313965SErez Shitrit 				 MLX5_ETH_WQE_L4_CSUM;
2988f0313965SErez Shitrit 
2989f0313965SErez Shitrit 	seg += sizeof(struct mlx5_wqe_eth_seg);
2990f0313965SErez Shitrit 	*size += sizeof(struct mlx5_wqe_eth_seg) / 16;
2991f0313965SErez Shitrit 
2992f0313965SErez Shitrit 	if (wr->opcode == IB_WR_LSO) {
2993f0313965SErez Shitrit 		struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr);
2994f0313965SErez Shitrit 		int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start);
2995f0313965SErez Shitrit 		u64 left, leftlen, copysz;
2996f0313965SErez Shitrit 		void *pdata = ud_wr->header;
2997f0313965SErez Shitrit 
2998f0313965SErez Shitrit 		left = ud_wr->hlen;
2999f0313965SErez Shitrit 		eseg->mss = cpu_to_be16(ud_wr->mss);
3000f0313965SErez Shitrit 		eseg->inline_hdr_sz = cpu_to_be16(left);
3001f0313965SErez Shitrit 
3002f0313965SErez Shitrit 		/*
3003f0313965SErez Shitrit 		 * check if there is space till the end of queue, if yes,
3004f0313965SErez Shitrit 		 * copy all in one shot, otherwise copy till the end of queue,
3005f0313965SErez Shitrit 		 * rollback and than the copy the left
3006f0313965SErez Shitrit 		 */
3007f0313965SErez Shitrit 		leftlen = qend - (void *)eseg->inline_hdr_start;
3008f0313965SErez Shitrit 		copysz = min_t(u64, leftlen, left);
3009f0313965SErez Shitrit 
3010f0313965SErez Shitrit 		memcpy(seg - size_of_inl_hdr_start, pdata, copysz);
3011f0313965SErez Shitrit 
3012f0313965SErez Shitrit 		if (likely(copysz > size_of_inl_hdr_start)) {
3013f0313965SErez Shitrit 			seg += ALIGN(copysz - size_of_inl_hdr_start, 16);
3014f0313965SErez Shitrit 			*size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16;
3015f0313965SErez Shitrit 		}
3016f0313965SErez Shitrit 
3017f0313965SErez Shitrit 		if (unlikely(copysz < left)) { /* the last wqe in the queue */
3018f0313965SErez Shitrit 			seg = mlx5_get_send_wqe(qp, 0);
3019f0313965SErez Shitrit 			left -= copysz;
3020f0313965SErez Shitrit 			pdata += copysz;
3021f0313965SErez Shitrit 			memcpy(seg, pdata, left);
3022f0313965SErez Shitrit 			seg += ALIGN(left, 16);
3023f0313965SErez Shitrit 			*size += ALIGN(left, 16) / 16;
3024f0313965SErez Shitrit 		}
3025f0313965SErez Shitrit 	}
3026f0313965SErez Shitrit 
3027f0313965SErez Shitrit 	return seg;
3028f0313965SErez Shitrit }
3029f0313965SErez Shitrit 
3030e126ba97SEli Cohen static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg,
3031e126ba97SEli Cohen 			     struct ib_send_wr *wr)
3032e126ba97SEli Cohen {
3033e622f2f4SChristoph Hellwig 	memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av));
3034e622f2f4SChristoph Hellwig 	dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV);
3035e622f2f4SChristoph Hellwig 	dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey);
3036e126ba97SEli Cohen }
3037e126ba97SEli Cohen 
3038e126ba97SEli Cohen static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg)
3039e126ba97SEli Cohen {
3040e126ba97SEli Cohen 	dseg->byte_count = cpu_to_be32(sg->length);
3041e126ba97SEli Cohen 	dseg->lkey       = cpu_to_be32(sg->lkey);
3042e126ba97SEli Cohen 	dseg->addr       = cpu_to_be64(sg->addr);
3043e126ba97SEli Cohen }
3044e126ba97SEli Cohen 
304531616255SArtemy Kovalyov static u64 get_xlt_octo(u64 bytes)
3046e126ba97SEli Cohen {
304731616255SArtemy Kovalyov 	return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) /
304831616255SArtemy Kovalyov 	       MLX5_IB_UMR_OCTOWORD;
3049e126ba97SEli Cohen }
3050e126ba97SEli Cohen 
3051e126ba97SEli Cohen static __be64 frwr_mkey_mask(void)
3052e126ba97SEli Cohen {
3053e126ba97SEli Cohen 	u64 result;
3054e126ba97SEli Cohen 
3055e126ba97SEli Cohen 	result = MLX5_MKEY_MASK_LEN		|
3056e126ba97SEli Cohen 		MLX5_MKEY_MASK_PAGE_SIZE	|
3057e126ba97SEli Cohen 		MLX5_MKEY_MASK_START_ADDR	|
3058e126ba97SEli Cohen 		MLX5_MKEY_MASK_EN_RINVAL	|
3059e126ba97SEli Cohen 		MLX5_MKEY_MASK_KEY		|
3060e126ba97SEli Cohen 		MLX5_MKEY_MASK_LR		|
3061e126ba97SEli Cohen 		MLX5_MKEY_MASK_LW		|
3062e126ba97SEli Cohen 		MLX5_MKEY_MASK_RR		|
3063e126ba97SEli Cohen 		MLX5_MKEY_MASK_RW		|
3064e126ba97SEli Cohen 		MLX5_MKEY_MASK_A		|
3065e126ba97SEli Cohen 		MLX5_MKEY_MASK_SMALL_FENCE	|
3066e126ba97SEli Cohen 		MLX5_MKEY_MASK_FREE;
3067e126ba97SEli Cohen 
3068e126ba97SEli Cohen 	return cpu_to_be64(result);
3069e126ba97SEli Cohen }
3070e126ba97SEli Cohen 
3071e6631814SSagi Grimberg static __be64 sig_mkey_mask(void)
3072e6631814SSagi Grimberg {
3073e6631814SSagi Grimberg 	u64 result;
3074e6631814SSagi Grimberg 
3075e6631814SSagi Grimberg 	result = MLX5_MKEY_MASK_LEN		|
3076e6631814SSagi Grimberg 		MLX5_MKEY_MASK_PAGE_SIZE	|
3077e6631814SSagi Grimberg 		MLX5_MKEY_MASK_START_ADDR	|
3078d5436ba0SSagi Grimberg 		MLX5_MKEY_MASK_EN_SIGERR	|
3079e6631814SSagi Grimberg 		MLX5_MKEY_MASK_EN_RINVAL	|
3080e6631814SSagi Grimberg 		MLX5_MKEY_MASK_KEY		|
3081e6631814SSagi Grimberg 		MLX5_MKEY_MASK_LR		|
3082e6631814SSagi Grimberg 		MLX5_MKEY_MASK_LW		|
3083e6631814SSagi Grimberg 		MLX5_MKEY_MASK_RR		|
3084e6631814SSagi Grimberg 		MLX5_MKEY_MASK_RW		|
3085e6631814SSagi Grimberg 		MLX5_MKEY_MASK_SMALL_FENCE	|
3086e6631814SSagi Grimberg 		MLX5_MKEY_MASK_FREE		|
3087e6631814SSagi Grimberg 		MLX5_MKEY_MASK_BSF_EN;
3088e6631814SSagi Grimberg 
3089e6631814SSagi Grimberg 	return cpu_to_be64(result);
3090e6631814SSagi Grimberg }
3091e6631814SSagi Grimberg 
30928a187ee5SSagi Grimberg static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr,
30938a187ee5SSagi Grimberg 			    struct mlx5_ib_mr *mr)
30948a187ee5SSagi Grimberg {
309531616255SArtemy Kovalyov 	int size = mr->ndescs * mr->desc_size;
30968a187ee5SSagi Grimberg 
30978a187ee5SSagi Grimberg 	memset(umr, 0, sizeof(*umr));
3098b005d316SSagi Grimberg 
30998a187ee5SSagi Grimberg 	umr->flags = MLX5_UMR_CHECK_NOT_FREE;
310031616255SArtemy Kovalyov 	umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size));
31018a187ee5SSagi Grimberg 	umr->mkey_mask = frwr_mkey_mask();
31028a187ee5SSagi Grimberg }
31038a187ee5SSagi Grimberg 
3104dd01e66aSSagi Grimberg static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr)
3105e126ba97SEli Cohen {
3106e126ba97SEli Cohen 	memset(umr, 0, sizeof(*umr));
3107e126ba97SEli Cohen 	umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE);
31082d221588SMax Gurtovoy 	umr->flags = MLX5_UMR_INLINE;
3109e126ba97SEli Cohen }
3110e126ba97SEli Cohen 
311131616255SArtemy Kovalyov static __be64 get_umr_enable_mr_mask(void)
3112e126ba97SEli Cohen {
3113968e78ddSHaggai Eran 	u64 result;
3114e126ba97SEli Cohen 
311531616255SArtemy Kovalyov 	result = MLX5_MKEY_MASK_KEY |
3116e126ba97SEli Cohen 		 MLX5_MKEY_MASK_FREE;
3117968e78ddSHaggai Eran 
3118968e78ddSHaggai Eran 	return cpu_to_be64(result);
3119968e78ddSHaggai Eran }
3120968e78ddSHaggai Eran 
312131616255SArtemy Kovalyov static __be64 get_umr_disable_mr_mask(void)
3122968e78ddSHaggai Eran {
3123968e78ddSHaggai Eran 	u64 result;
3124968e78ddSHaggai Eran 
3125968e78ddSHaggai Eran 	result = MLX5_MKEY_MASK_FREE;
3126968e78ddSHaggai Eran 
3127968e78ddSHaggai Eran 	return cpu_to_be64(result);
3128968e78ddSHaggai Eran }
3129968e78ddSHaggai Eran 
313056e11d62SNoa Osherovich static __be64 get_umr_update_translation_mask(void)
313156e11d62SNoa Osherovich {
313256e11d62SNoa Osherovich 	u64 result;
313356e11d62SNoa Osherovich 
313456e11d62SNoa Osherovich 	result = MLX5_MKEY_MASK_LEN |
313556e11d62SNoa Osherovich 		 MLX5_MKEY_MASK_PAGE_SIZE |
313631616255SArtemy Kovalyov 		 MLX5_MKEY_MASK_START_ADDR;
313756e11d62SNoa Osherovich 
313856e11d62SNoa Osherovich 	return cpu_to_be64(result);
313956e11d62SNoa Osherovich }
314056e11d62SNoa Osherovich 
314131616255SArtemy Kovalyov static __be64 get_umr_update_access_mask(int atomic)
314256e11d62SNoa Osherovich {
314356e11d62SNoa Osherovich 	u64 result;
314456e11d62SNoa Osherovich 
314531616255SArtemy Kovalyov 	result = MLX5_MKEY_MASK_LR |
314631616255SArtemy Kovalyov 		 MLX5_MKEY_MASK_LW |
314756e11d62SNoa Osherovich 		 MLX5_MKEY_MASK_RR |
314831616255SArtemy Kovalyov 		 MLX5_MKEY_MASK_RW;
314931616255SArtemy Kovalyov 
315031616255SArtemy Kovalyov 	if (atomic)
315131616255SArtemy Kovalyov 		result |= MLX5_MKEY_MASK_A;
315256e11d62SNoa Osherovich 
315356e11d62SNoa Osherovich 	return cpu_to_be64(result);
315456e11d62SNoa Osherovich }
315556e11d62SNoa Osherovich 
315656e11d62SNoa Osherovich static __be64 get_umr_update_pd_mask(void)
315756e11d62SNoa Osherovich {
315856e11d62SNoa Osherovich 	u64 result;
315956e11d62SNoa Osherovich 
316031616255SArtemy Kovalyov 	result = MLX5_MKEY_MASK_PD;
316156e11d62SNoa Osherovich 
316256e11d62SNoa Osherovich 	return cpu_to_be64(result);
316356e11d62SNoa Osherovich }
316456e11d62SNoa Osherovich 
3165968e78ddSHaggai Eran static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
3166578e7264SMaor Gottlieb 				struct ib_send_wr *wr, int atomic)
3167968e78ddSHaggai Eran {
3168e622f2f4SChristoph Hellwig 	struct mlx5_umr_wr *umrwr = umr_wr(wr);
3169968e78ddSHaggai Eran 
3170968e78ddSHaggai Eran 	memset(umr, 0, sizeof(*umr));
3171968e78ddSHaggai Eran 
3172968e78ddSHaggai Eran 	if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE)
3173968e78ddSHaggai Eran 		umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */
3174968e78ddSHaggai Eran 	else
3175968e78ddSHaggai Eran 		umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */
3176968e78ddSHaggai Eran 
317731616255SArtemy Kovalyov 	umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size));
317831616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) {
317931616255SArtemy Kovalyov 		u64 offset = get_xlt_octo(umrwr->offset);
318031616255SArtemy Kovalyov 
318131616255SArtemy Kovalyov 		umr->xlt_offset = cpu_to_be16(offset & 0xffff);
318231616255SArtemy Kovalyov 		umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16);
3183968e78ddSHaggai Eran 		umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN;
3184968e78ddSHaggai Eran 	}
318556e11d62SNoa Osherovich 	if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION)
318656e11d62SNoa Osherovich 		umr->mkey_mask |= get_umr_update_translation_mask();
318731616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) {
318831616255SArtemy Kovalyov 		umr->mkey_mask |= get_umr_update_access_mask(atomic);
318956e11d62SNoa Osherovich 		umr->mkey_mask |= get_umr_update_pd_mask();
3190e126ba97SEli Cohen 	}
319131616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR)
319231616255SArtemy Kovalyov 		umr->mkey_mask |= get_umr_enable_mr_mask();
319331616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR)
319431616255SArtemy Kovalyov 		umr->mkey_mask |= get_umr_disable_mr_mask();
3195e126ba97SEli Cohen 
3196e126ba97SEli Cohen 	if (!wr->num_sge)
3197968e78ddSHaggai Eran 		umr->flags |= MLX5_UMR_INLINE;
3198e126ba97SEli Cohen }
3199e126ba97SEli Cohen 
3200e126ba97SEli Cohen static u8 get_umr_flags(int acc)
3201e126ba97SEli Cohen {
3202e126ba97SEli Cohen 	return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC       : 0) |
3203e126ba97SEli Cohen 	       (acc & IB_ACCESS_REMOTE_WRITE  ? MLX5_PERM_REMOTE_WRITE : 0) |
3204e126ba97SEli Cohen 	       (acc & IB_ACCESS_REMOTE_READ   ? MLX5_PERM_REMOTE_READ  : 0) |
3205e126ba97SEli Cohen 	       (acc & IB_ACCESS_LOCAL_WRITE   ? MLX5_PERM_LOCAL_WRITE  : 0) |
32062ac45934SSagi Grimberg 		MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN;
3207e126ba97SEli Cohen }
3208e126ba97SEli Cohen 
32098a187ee5SSagi Grimberg static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg,
32108a187ee5SSagi Grimberg 			     struct mlx5_ib_mr *mr,
32118a187ee5SSagi Grimberg 			     u32 key, int access)
32128a187ee5SSagi Grimberg {
32138a187ee5SSagi Grimberg 	int ndescs = ALIGN(mr->ndescs, 8) >> 1;
32148a187ee5SSagi Grimberg 
32158a187ee5SSagi Grimberg 	memset(seg, 0, sizeof(*seg));
3216b005d316SSagi Grimberg 
3217ec22eb53SSaeed Mahameed 	if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT)
3218b005d316SSagi Grimberg 		seg->log2_page_size = ilog2(mr->ibmr.page_size);
3219ec22eb53SSaeed Mahameed 	else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS)
3220b005d316SSagi Grimberg 		/* KLMs take twice the size of MTTs */
3221b005d316SSagi Grimberg 		ndescs *= 2;
3222b005d316SSagi Grimberg 
3223b005d316SSagi Grimberg 	seg->flags = get_umr_flags(access) | mr->access_mode;
32248a187ee5SSagi Grimberg 	seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00);
32258a187ee5SSagi Grimberg 	seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL);
32268a187ee5SSagi Grimberg 	seg->start_addr = cpu_to_be64(mr->ibmr.iova);
32278a187ee5SSagi Grimberg 	seg->len = cpu_to_be64(mr->ibmr.length);
32288a187ee5SSagi Grimberg 	seg->xlt_oct_size = cpu_to_be32(ndescs);
32298a187ee5SSagi Grimberg }
32308a187ee5SSagi Grimberg 
3231dd01e66aSSagi Grimberg static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg)
3232e126ba97SEli Cohen {
3233e126ba97SEli Cohen 	memset(seg, 0, sizeof(*seg));
3234968e78ddSHaggai Eran 	seg->status = MLX5_MKEY_STATUS_FREE;
3235e126ba97SEli Cohen }
3236e126ba97SEli Cohen 
3237e126ba97SEli Cohen static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr)
3238e126ba97SEli Cohen {
3239e622f2f4SChristoph Hellwig 	struct mlx5_umr_wr *umrwr = umr_wr(wr);
3240968e78ddSHaggai Eran 
3241e126ba97SEli Cohen 	memset(seg, 0, sizeof(*seg));
324231616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR)
3243968e78ddSHaggai Eran 		seg->status = MLX5_MKEY_STATUS_FREE;
3244e126ba97SEli Cohen 
3245968e78ddSHaggai Eran 	seg->flags = convert_access(umrwr->access_flags);
324656e11d62SNoa Osherovich 	if (umrwr->pd)
3247968e78ddSHaggai Eran 		seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn);
324831616255SArtemy Kovalyov 	if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION &&
324931616255SArtemy Kovalyov 	    !umrwr->length)
325031616255SArtemy Kovalyov 		seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64);
325131616255SArtemy Kovalyov 
325231616255SArtemy Kovalyov 	seg->start_addr = cpu_to_be64(umrwr->virt_addr);
3253968e78ddSHaggai Eran 	seg->len = cpu_to_be64(umrwr->length);
3254968e78ddSHaggai Eran 	seg->log2_page_size = umrwr->page_shift;
3255746b5583SEli Cohen 	seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 |
3256968e78ddSHaggai Eran 				       mlx5_mkey_variant(umrwr->mkey));
3257e126ba97SEli Cohen }
3258e126ba97SEli Cohen 
32598a187ee5SSagi Grimberg static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg,
32608a187ee5SSagi Grimberg 			     struct mlx5_ib_mr *mr,
32618a187ee5SSagi Grimberg 			     struct mlx5_ib_pd *pd)
32628a187ee5SSagi Grimberg {
32638a187ee5SSagi Grimberg 	int bcount = mr->desc_size * mr->ndescs;
32648a187ee5SSagi Grimberg 
32658a187ee5SSagi Grimberg 	dseg->addr = cpu_to_be64(mr->desc_map);
32668a187ee5SSagi Grimberg 	dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64));
32678a187ee5SSagi Grimberg 	dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey);
32688a187ee5SSagi Grimberg }
32698a187ee5SSagi Grimberg 
3270e126ba97SEli Cohen static __be32 send_ieth(struct ib_send_wr *wr)
3271e126ba97SEli Cohen {
3272e126ba97SEli Cohen 	switch (wr->opcode) {
3273e126ba97SEli Cohen 	case IB_WR_SEND_WITH_IMM:
3274e126ba97SEli Cohen 	case IB_WR_RDMA_WRITE_WITH_IMM:
3275e126ba97SEli Cohen 		return wr->ex.imm_data;
3276e126ba97SEli Cohen 
3277e126ba97SEli Cohen 	case IB_WR_SEND_WITH_INV:
3278e126ba97SEli Cohen 		return cpu_to_be32(wr->ex.invalidate_rkey);
3279e126ba97SEli Cohen 
3280e126ba97SEli Cohen 	default:
3281e126ba97SEli Cohen 		return 0;
3282e126ba97SEli Cohen 	}
3283e126ba97SEli Cohen }
3284e126ba97SEli Cohen 
3285e126ba97SEli Cohen static u8 calc_sig(void *wqe, int size)
3286e126ba97SEli Cohen {
3287e126ba97SEli Cohen 	u8 *p = wqe;
3288e126ba97SEli Cohen 	u8 res = 0;
3289e126ba97SEli Cohen 	int i;
3290e126ba97SEli Cohen 
3291e126ba97SEli Cohen 	for (i = 0; i < size; i++)
3292e126ba97SEli Cohen 		res ^= p[i];
3293e126ba97SEli Cohen 
3294e126ba97SEli Cohen 	return ~res;
3295e126ba97SEli Cohen }
3296e126ba97SEli Cohen 
3297e126ba97SEli Cohen static u8 wq_sig(void *wqe)
3298e126ba97SEli Cohen {
3299e126ba97SEli Cohen 	return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4);
3300e126ba97SEli Cohen }
3301e126ba97SEli Cohen 
3302e126ba97SEli Cohen static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr,
3303e126ba97SEli Cohen 			    void *wqe, int *sz)
3304e126ba97SEli Cohen {
3305e126ba97SEli Cohen 	struct mlx5_wqe_inline_seg *seg;
3306e126ba97SEli Cohen 	void *qend = qp->sq.qend;
3307e126ba97SEli Cohen 	void *addr;
3308e126ba97SEli Cohen 	int inl = 0;
3309e126ba97SEli Cohen 	int copy;
3310e126ba97SEli Cohen 	int len;
3311e126ba97SEli Cohen 	int i;
3312e126ba97SEli Cohen 
3313e126ba97SEli Cohen 	seg = wqe;
3314e126ba97SEli Cohen 	wqe += sizeof(*seg);
3315e126ba97SEli Cohen 	for (i = 0; i < wr->num_sge; i++) {
3316e126ba97SEli Cohen 		addr = (void *)(unsigned long)(wr->sg_list[i].addr);
3317e126ba97SEli Cohen 		len  = wr->sg_list[i].length;
3318e126ba97SEli Cohen 		inl += len;
3319e126ba97SEli Cohen 
3320e126ba97SEli Cohen 		if (unlikely(inl > qp->max_inline_data))
3321e126ba97SEli Cohen 			return -ENOMEM;
3322e126ba97SEli Cohen 
3323e126ba97SEli Cohen 		if (unlikely(wqe + len > qend)) {
3324e126ba97SEli Cohen 			copy = qend - wqe;
3325e126ba97SEli Cohen 			memcpy(wqe, addr, copy);
3326e126ba97SEli Cohen 			addr += copy;
3327e126ba97SEli Cohen 			len -= copy;
3328e126ba97SEli Cohen 			wqe = mlx5_get_send_wqe(qp, 0);
3329e126ba97SEli Cohen 		}
3330e126ba97SEli Cohen 		memcpy(wqe, addr, len);
3331e126ba97SEli Cohen 		wqe += len;
3332e126ba97SEli Cohen 	}
3333e126ba97SEli Cohen 
3334e126ba97SEli Cohen 	seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG);
3335e126ba97SEli Cohen 
3336e126ba97SEli Cohen 	*sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16;
3337e126ba97SEli Cohen 
3338e126ba97SEli Cohen 	return 0;
3339e126ba97SEli Cohen }
3340e126ba97SEli Cohen 
3341e6631814SSagi Grimberg static u16 prot_field_size(enum ib_signature_type type)
3342e6631814SSagi Grimberg {
3343e6631814SSagi Grimberg 	switch (type) {
3344e6631814SSagi Grimberg 	case IB_SIG_TYPE_T10_DIF:
3345e6631814SSagi Grimberg 		return MLX5_DIF_SIZE;
3346e6631814SSagi Grimberg 	default:
3347e6631814SSagi Grimberg 		return 0;
3348e6631814SSagi Grimberg 	}
3349e6631814SSagi Grimberg }
3350e6631814SSagi Grimberg 
3351e6631814SSagi Grimberg static u8 bs_selector(int block_size)
3352e6631814SSagi Grimberg {
3353e6631814SSagi Grimberg 	switch (block_size) {
3354e6631814SSagi Grimberg 	case 512:	    return 0x1;
3355e6631814SSagi Grimberg 	case 520:	    return 0x2;
3356e6631814SSagi Grimberg 	case 4096:	    return 0x3;
3357e6631814SSagi Grimberg 	case 4160:	    return 0x4;
3358e6631814SSagi Grimberg 	case 1073741824:    return 0x5;
3359e6631814SSagi Grimberg 	default:	    return 0;
3360e6631814SSagi Grimberg 	}
3361e6631814SSagi Grimberg }
3362e6631814SSagi Grimberg 
336378eda2bbSSagi Grimberg static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain,
3364142537f4SSagi Grimberg 			      struct mlx5_bsf_inl *inl)
3365e6631814SSagi Grimberg {
3366142537f4SSagi Grimberg 	/* Valid inline section and allow BSF refresh */
3367142537f4SSagi Grimberg 	inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID |
3368142537f4SSagi Grimberg 				       MLX5_BSF_REFRESH_DIF);
3369142537f4SSagi Grimberg 	inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag);
3370142537f4SSagi Grimberg 	inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag);
3371142537f4SSagi Grimberg 	/* repeating block */
3372142537f4SSagi Grimberg 	inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK;
3373142537f4SSagi Grimberg 	inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ?
3374142537f4SSagi Grimberg 			MLX5_DIF_CRC : MLX5_DIF_IPCS;
3375e6631814SSagi Grimberg 
337678eda2bbSSagi Grimberg 	if (domain->sig.dif.ref_remap)
337778eda2bbSSagi Grimberg 		inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG;
3378e6631814SSagi Grimberg 
337978eda2bbSSagi Grimberg 	if (domain->sig.dif.app_escape) {
338078eda2bbSSagi Grimberg 		if (domain->sig.dif.ref_escape)
338178eda2bbSSagi Grimberg 			inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE;
338278eda2bbSSagi Grimberg 		else
338378eda2bbSSagi Grimberg 			inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE;
3384e6631814SSagi Grimberg 	}
3385e6631814SSagi Grimberg 
338678eda2bbSSagi Grimberg 	inl->dif_app_bitmask_check =
338778eda2bbSSagi Grimberg 		cpu_to_be16(domain->sig.dif.apptag_check_mask);
3388e6631814SSagi Grimberg }
3389e6631814SSagi Grimberg 
3390e6631814SSagi Grimberg static int mlx5_set_bsf(struct ib_mr *sig_mr,
3391e6631814SSagi Grimberg 			struct ib_sig_attrs *sig_attrs,
3392e6631814SSagi Grimberg 			struct mlx5_bsf *bsf, u32 data_size)
3393e6631814SSagi Grimberg {
3394e6631814SSagi Grimberg 	struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig;
3395e6631814SSagi Grimberg 	struct mlx5_bsf_basic *basic = &bsf->basic;
3396e6631814SSagi Grimberg 	struct ib_sig_domain *mem = &sig_attrs->mem;
3397e6631814SSagi Grimberg 	struct ib_sig_domain *wire = &sig_attrs->wire;
3398e6631814SSagi Grimberg 
3399c7f44fbdSSagi Grimberg 	memset(bsf, 0, sizeof(*bsf));
3400e6631814SSagi Grimberg 
3401142537f4SSagi Grimberg 	/* Basic + Extended + Inline */
3402142537f4SSagi Grimberg 	basic->bsf_size_sbs = 1 << 7;
3403e6631814SSagi Grimberg 	/* Input domain check byte mask */
3404e6631814SSagi Grimberg 	basic->check_byte_mask = sig_attrs->check_mask;
340578eda2bbSSagi Grimberg 	basic->raw_data_size = cpu_to_be32(data_size);
340678eda2bbSSagi Grimberg 
340778eda2bbSSagi Grimberg 	/* Memory domain */
340878eda2bbSSagi Grimberg 	switch (sig_attrs->mem.sig_type) {
340978eda2bbSSagi Grimberg 	case IB_SIG_TYPE_NONE:
341078eda2bbSSagi Grimberg 		break;
341178eda2bbSSagi Grimberg 	case IB_SIG_TYPE_T10_DIF:
341278eda2bbSSagi Grimberg 		basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval);
341378eda2bbSSagi Grimberg 		basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx);
341478eda2bbSSagi Grimberg 		mlx5_fill_inl_bsf(mem, &bsf->m_inl);
341578eda2bbSSagi Grimberg 		break;
341678eda2bbSSagi Grimberg 	default:
341778eda2bbSSagi Grimberg 		return -EINVAL;
341878eda2bbSSagi Grimberg 	}
341978eda2bbSSagi Grimberg 
342078eda2bbSSagi Grimberg 	/* Wire domain */
342178eda2bbSSagi Grimberg 	switch (sig_attrs->wire.sig_type) {
342278eda2bbSSagi Grimberg 	case IB_SIG_TYPE_NONE:
342378eda2bbSSagi Grimberg 		break;
342478eda2bbSSagi Grimberg 	case IB_SIG_TYPE_T10_DIF:
3425e6631814SSagi Grimberg 		if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval &&
342678eda2bbSSagi Grimberg 		    mem->sig_type == wire->sig_type) {
3427e6631814SSagi Grimberg 			/* Same block structure */
3428142537f4SSagi Grimberg 			basic->bsf_size_sbs |= 1 << 4;
3429e6631814SSagi Grimberg 			if (mem->sig.dif.bg_type == wire->sig.dif.bg_type)
3430fd22f78cSSagi Grimberg 				basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK;
3431c7f44fbdSSagi Grimberg 			if (mem->sig.dif.app_tag == wire->sig.dif.app_tag)
3432fd22f78cSSagi Grimberg 				basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK;
3433c7f44fbdSSagi Grimberg 			if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag)
3434fd22f78cSSagi Grimberg 				basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK;
3435e6631814SSagi Grimberg 		} else
3436e6631814SSagi Grimberg 			basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval);
3437e6631814SSagi Grimberg 
3438142537f4SSagi Grimberg 		basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx);
343978eda2bbSSagi Grimberg 		mlx5_fill_inl_bsf(wire, &bsf->w_inl);
3440e6631814SSagi Grimberg 		break;
3441e6631814SSagi Grimberg 	default:
3442e6631814SSagi Grimberg 		return -EINVAL;
3443e6631814SSagi Grimberg 	}
3444e6631814SSagi Grimberg 
3445e6631814SSagi Grimberg 	return 0;
3446e6631814SSagi Grimberg }
3447e6631814SSagi Grimberg 
3448e622f2f4SChristoph Hellwig static int set_sig_data_segment(struct ib_sig_handover_wr *wr,
3449e622f2f4SChristoph Hellwig 				struct mlx5_ib_qp *qp, void **seg, int *size)
3450e6631814SSagi Grimberg {
3451e622f2f4SChristoph Hellwig 	struct ib_sig_attrs *sig_attrs = wr->sig_attrs;
3452e622f2f4SChristoph Hellwig 	struct ib_mr *sig_mr = wr->sig_mr;
3453e6631814SSagi Grimberg 	struct mlx5_bsf *bsf;
3454e622f2f4SChristoph Hellwig 	u32 data_len = wr->wr.sg_list->length;
3455e622f2f4SChristoph Hellwig 	u32 data_key = wr->wr.sg_list->lkey;
3456e622f2f4SChristoph Hellwig 	u64 data_va = wr->wr.sg_list->addr;
3457e6631814SSagi Grimberg 	int ret;
3458e6631814SSagi Grimberg 	int wqe_size;
3459e6631814SSagi Grimberg 
3460e622f2f4SChristoph Hellwig 	if (!wr->prot ||
3461e622f2f4SChristoph Hellwig 	    (data_key == wr->prot->lkey &&
3462e622f2f4SChristoph Hellwig 	     data_va == wr->prot->addr &&
3463e622f2f4SChristoph Hellwig 	     data_len == wr->prot->length)) {
3464e6631814SSagi Grimberg 		/**
3465e6631814SSagi Grimberg 		 * Source domain doesn't contain signature information
34665c273b16SSagi Grimberg 		 * or data and protection are interleaved in memory.
3467e6631814SSagi Grimberg 		 * So need construct:
3468e6631814SSagi Grimberg 		 *                  ------------------
3469e6631814SSagi Grimberg 		 *                 |     data_klm     |
3470e6631814SSagi Grimberg 		 *                  ------------------
3471e6631814SSagi Grimberg 		 *                 |       BSF        |
3472e6631814SSagi Grimberg 		 *                  ------------------
3473e6631814SSagi Grimberg 		 **/
3474e6631814SSagi Grimberg 		struct mlx5_klm *data_klm = *seg;
3475e6631814SSagi Grimberg 
3476e6631814SSagi Grimberg 		data_klm->bcount = cpu_to_be32(data_len);
3477e6631814SSagi Grimberg 		data_klm->key = cpu_to_be32(data_key);
3478e6631814SSagi Grimberg 		data_klm->va = cpu_to_be64(data_va);
3479e6631814SSagi Grimberg 		wqe_size = ALIGN(sizeof(*data_klm), 64);
3480e6631814SSagi Grimberg 	} else {
3481e6631814SSagi Grimberg 		/**
3482e6631814SSagi Grimberg 		 * Source domain contains signature information
3483e6631814SSagi Grimberg 		 * So need construct a strided block format:
3484e6631814SSagi Grimberg 		 *               ---------------------------
3485e6631814SSagi Grimberg 		 *              |     stride_block_ctrl     |
3486e6631814SSagi Grimberg 		 *               ---------------------------
3487e6631814SSagi Grimberg 		 *              |          data_klm         |
3488e6631814SSagi Grimberg 		 *               ---------------------------
3489e6631814SSagi Grimberg 		 *              |          prot_klm         |
3490e6631814SSagi Grimberg 		 *               ---------------------------
3491e6631814SSagi Grimberg 		 *              |             BSF           |
3492e6631814SSagi Grimberg 		 *               ---------------------------
3493e6631814SSagi Grimberg 		 **/
3494e6631814SSagi Grimberg 		struct mlx5_stride_block_ctrl_seg *sblock_ctrl;
3495e6631814SSagi Grimberg 		struct mlx5_stride_block_entry *data_sentry;
3496e6631814SSagi Grimberg 		struct mlx5_stride_block_entry *prot_sentry;
3497e622f2f4SChristoph Hellwig 		u32 prot_key = wr->prot->lkey;
3498e622f2f4SChristoph Hellwig 		u64 prot_va = wr->prot->addr;
3499e6631814SSagi Grimberg 		u16 block_size = sig_attrs->mem.sig.dif.pi_interval;
3500e6631814SSagi Grimberg 		int prot_size;
3501e6631814SSagi Grimberg 
3502e6631814SSagi Grimberg 		sblock_ctrl = *seg;
3503e6631814SSagi Grimberg 		data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl);
3504e6631814SSagi Grimberg 		prot_sentry = (void *)data_sentry + sizeof(*data_sentry);
3505e6631814SSagi Grimberg 
3506e6631814SSagi Grimberg 		prot_size = prot_field_size(sig_attrs->mem.sig_type);
3507e6631814SSagi Grimberg 		if (!prot_size) {
3508e6631814SSagi Grimberg 			pr_err("Bad block size given: %u\n", block_size);
3509e6631814SSagi Grimberg 			return -EINVAL;
3510e6631814SSagi Grimberg 		}
3511e6631814SSagi Grimberg 		sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size +
3512e6631814SSagi Grimberg 							    prot_size);
3513e6631814SSagi Grimberg 		sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP);
3514e6631814SSagi Grimberg 		sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size);
3515e6631814SSagi Grimberg 		sblock_ctrl->num_entries = cpu_to_be16(2);
3516e6631814SSagi Grimberg 
3517e6631814SSagi Grimberg 		data_sentry->bcount = cpu_to_be16(block_size);
3518e6631814SSagi Grimberg 		data_sentry->key = cpu_to_be32(data_key);
3519e6631814SSagi Grimberg 		data_sentry->va = cpu_to_be64(data_va);
35205c273b16SSagi Grimberg 		data_sentry->stride = cpu_to_be16(block_size);
35215c273b16SSagi Grimberg 
3522e6631814SSagi Grimberg 		prot_sentry->bcount = cpu_to_be16(prot_size);
3523e6631814SSagi Grimberg 		prot_sentry->key = cpu_to_be32(prot_key);
3524e6631814SSagi Grimberg 		prot_sentry->va = cpu_to_be64(prot_va);
3525e6631814SSagi Grimberg 		prot_sentry->stride = cpu_to_be16(prot_size);
35265c273b16SSagi Grimberg 
3527e6631814SSagi Grimberg 		wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) +
3528e6631814SSagi Grimberg 				 sizeof(*prot_sentry), 64);
3529e6631814SSagi Grimberg 	}
3530e6631814SSagi Grimberg 
3531e6631814SSagi Grimberg 	*seg += wqe_size;
3532e6631814SSagi Grimberg 	*size += wqe_size / 16;
3533e6631814SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
3534e6631814SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
3535e6631814SSagi Grimberg 
3536e6631814SSagi Grimberg 	bsf = *seg;
3537e6631814SSagi Grimberg 	ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len);
3538e6631814SSagi Grimberg 	if (ret)
3539e6631814SSagi Grimberg 		return -EINVAL;
3540e6631814SSagi Grimberg 
3541e6631814SSagi Grimberg 	*seg += sizeof(*bsf);
3542e6631814SSagi Grimberg 	*size += sizeof(*bsf) / 16;
3543e6631814SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
3544e6631814SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
3545e6631814SSagi Grimberg 
3546e6631814SSagi Grimberg 	return 0;
3547e6631814SSagi Grimberg }
3548e6631814SSagi Grimberg 
3549e6631814SSagi Grimberg static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg,
355031616255SArtemy Kovalyov 				 struct ib_sig_handover_wr *wr, u32 size,
3551e6631814SSagi Grimberg 				 u32 length, u32 pdn)
3552e6631814SSagi Grimberg {
3553e622f2f4SChristoph Hellwig 	struct ib_mr *sig_mr = wr->sig_mr;
3554e6631814SSagi Grimberg 	u32 sig_key = sig_mr->rkey;
3555d5436ba0SSagi Grimberg 	u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1;
3556e6631814SSagi Grimberg 
3557e6631814SSagi Grimberg 	memset(seg, 0, sizeof(*seg));
3558e6631814SSagi Grimberg 
3559e622f2f4SChristoph Hellwig 	seg->flags = get_umr_flags(wr->access_flags) |
3560ec22eb53SSaeed Mahameed 				   MLX5_MKC_ACCESS_MODE_KLMS;
3561e6631814SSagi Grimberg 	seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00);
3562d5436ba0SSagi Grimberg 	seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 |
3563e6631814SSagi Grimberg 				    MLX5_MKEY_BSF_EN | pdn);
3564e6631814SSagi Grimberg 	seg->len = cpu_to_be64(length);
356531616255SArtemy Kovalyov 	seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size));
3566e6631814SSagi Grimberg 	seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE);
3567e6631814SSagi Grimberg }
3568e6631814SSagi Grimberg 
3569e6631814SSagi Grimberg static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
357031616255SArtemy Kovalyov 				u32 size)
3571e6631814SSagi Grimberg {
3572e6631814SSagi Grimberg 	memset(umr, 0, sizeof(*umr));
3573e6631814SSagi Grimberg 
3574e6631814SSagi Grimberg 	umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE;
357531616255SArtemy Kovalyov 	umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size));
3576e6631814SSagi Grimberg 	umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE);
3577e6631814SSagi Grimberg 	umr->mkey_mask = sig_mkey_mask();
3578e6631814SSagi Grimberg }
3579e6631814SSagi Grimberg 
3580e6631814SSagi Grimberg 
3581e622f2f4SChristoph Hellwig static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp,
3582e6631814SSagi Grimberg 			  void **seg, int *size)
3583e6631814SSagi Grimberg {
3584e622f2f4SChristoph Hellwig 	struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr);
3585e622f2f4SChristoph Hellwig 	struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr);
3586e6631814SSagi Grimberg 	u32 pdn = get_pd(qp)->pdn;
358731616255SArtemy Kovalyov 	u32 xlt_size;
3588e6631814SSagi Grimberg 	int region_len, ret;
3589e6631814SSagi Grimberg 
3590e622f2f4SChristoph Hellwig 	if (unlikely(wr->wr.num_sge != 1) ||
3591e622f2f4SChristoph Hellwig 	    unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) ||
3592d5436ba0SSagi Grimberg 	    unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) ||
3593d5436ba0SSagi Grimberg 	    unlikely(!sig_mr->sig->sig_status_checked))
3594e6631814SSagi Grimberg 		return -EINVAL;
3595e6631814SSagi Grimberg 
3596e6631814SSagi Grimberg 	/* length of the protected region, data + protection */
3597e622f2f4SChristoph Hellwig 	region_len = wr->wr.sg_list->length;
3598e622f2f4SChristoph Hellwig 	if (wr->prot &&
3599e622f2f4SChristoph Hellwig 	    (wr->prot->lkey != wr->wr.sg_list->lkey  ||
3600e622f2f4SChristoph Hellwig 	     wr->prot->addr != wr->wr.sg_list->addr  ||
3601e622f2f4SChristoph Hellwig 	     wr->prot->length != wr->wr.sg_list->length))
3602e622f2f4SChristoph Hellwig 		region_len += wr->prot->length;
3603e6631814SSagi Grimberg 
3604e6631814SSagi Grimberg 	/**
3605e6631814SSagi Grimberg 	 * KLM octoword size - if protection was provided
3606e6631814SSagi Grimberg 	 * then we use strided block format (3 octowords),
3607e6631814SSagi Grimberg 	 * else we use single KLM (1 octoword)
3608e6631814SSagi Grimberg 	 **/
360931616255SArtemy Kovalyov 	xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm);
3610e6631814SSagi Grimberg 
361131616255SArtemy Kovalyov 	set_sig_umr_segment(*seg, xlt_size);
3612e6631814SSagi Grimberg 	*seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
3613e6631814SSagi Grimberg 	*size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;
3614e6631814SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
3615e6631814SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
3616e6631814SSagi Grimberg 
361731616255SArtemy Kovalyov 	set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn);
3618e6631814SSagi Grimberg 	*seg += sizeof(struct mlx5_mkey_seg);
3619e6631814SSagi Grimberg 	*size += sizeof(struct mlx5_mkey_seg) / 16;
3620e6631814SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
3621e6631814SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
3622e6631814SSagi Grimberg 
3623e6631814SSagi Grimberg 	ret = set_sig_data_segment(wr, qp, seg, size);
3624e6631814SSagi Grimberg 	if (ret)
3625e6631814SSagi Grimberg 		return ret;
3626e6631814SSagi Grimberg 
3627d5436ba0SSagi Grimberg 	sig_mr->sig->sig_status_checked = false;
3628e6631814SSagi Grimberg 	return 0;
3629e6631814SSagi Grimberg }
3630e6631814SSagi Grimberg 
3631e6631814SSagi Grimberg static int set_psv_wr(struct ib_sig_domain *domain,
3632e6631814SSagi Grimberg 		      u32 psv_idx, void **seg, int *size)
3633e6631814SSagi Grimberg {
3634e6631814SSagi Grimberg 	struct mlx5_seg_set_psv *psv_seg = *seg;
3635e6631814SSagi Grimberg 
3636e6631814SSagi Grimberg 	memset(psv_seg, 0, sizeof(*psv_seg));
3637e6631814SSagi Grimberg 	psv_seg->psv_num = cpu_to_be32(psv_idx);
3638e6631814SSagi Grimberg 	switch (domain->sig_type) {
363978eda2bbSSagi Grimberg 	case IB_SIG_TYPE_NONE:
364078eda2bbSSagi Grimberg 		break;
3641e6631814SSagi Grimberg 	case IB_SIG_TYPE_T10_DIF:
3642e6631814SSagi Grimberg 		psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 |
3643e6631814SSagi Grimberg 						     domain->sig.dif.app_tag);
3644e6631814SSagi Grimberg 		psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag);
3645e6631814SSagi Grimberg 		break;
3646e6631814SSagi Grimberg 	default:
364712bbf1eaSLeon Romanovsky 		pr_err("Bad signature type (%d) is given.\n",
364812bbf1eaSLeon Romanovsky 		       domain->sig_type);
364912bbf1eaSLeon Romanovsky 		return -EINVAL;
3650e6631814SSagi Grimberg 	}
3651e6631814SSagi Grimberg 
365278eda2bbSSagi Grimberg 	*seg += sizeof(*psv_seg);
365378eda2bbSSagi Grimberg 	*size += sizeof(*psv_seg) / 16;
365478eda2bbSSagi Grimberg 
3655e6631814SSagi Grimberg 	return 0;
3656e6631814SSagi Grimberg }
3657e6631814SSagi Grimberg 
36588a187ee5SSagi Grimberg static int set_reg_wr(struct mlx5_ib_qp *qp,
36598a187ee5SSagi Grimberg 		      struct ib_reg_wr *wr,
36608a187ee5SSagi Grimberg 		      void **seg, int *size)
36618a187ee5SSagi Grimberg {
36628a187ee5SSagi Grimberg 	struct mlx5_ib_mr *mr = to_mmr(wr->mr);
36638a187ee5SSagi Grimberg 	struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd);
36648a187ee5SSagi Grimberg 
36658a187ee5SSagi Grimberg 	if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) {
36668a187ee5SSagi Grimberg 		mlx5_ib_warn(to_mdev(qp->ibqp.device),
36678a187ee5SSagi Grimberg 			     "Invalid IB_SEND_INLINE send flag\n");
36688a187ee5SSagi Grimberg 		return -EINVAL;
36698a187ee5SSagi Grimberg 	}
36708a187ee5SSagi Grimberg 
36718a187ee5SSagi Grimberg 	set_reg_umr_seg(*seg, mr);
36728a187ee5SSagi Grimberg 	*seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
36738a187ee5SSagi Grimberg 	*size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;
36748a187ee5SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
36758a187ee5SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
36768a187ee5SSagi Grimberg 
36778a187ee5SSagi Grimberg 	set_reg_mkey_seg(*seg, mr, wr->key, wr->access);
36788a187ee5SSagi Grimberg 	*seg += sizeof(struct mlx5_mkey_seg);
36798a187ee5SSagi Grimberg 	*size += sizeof(struct mlx5_mkey_seg) / 16;
36808a187ee5SSagi Grimberg 	if (unlikely((*seg == qp->sq.qend)))
36818a187ee5SSagi Grimberg 		*seg = mlx5_get_send_wqe(qp, 0);
36828a187ee5SSagi Grimberg 
36838a187ee5SSagi Grimberg 	set_reg_data_seg(*seg, mr, pd);
36848a187ee5SSagi Grimberg 	*seg += sizeof(struct mlx5_wqe_data_seg);
36858a187ee5SSagi Grimberg 	*size += (sizeof(struct mlx5_wqe_data_seg) / 16);
36868a187ee5SSagi Grimberg 
36878a187ee5SSagi Grimberg 	return 0;
36888a187ee5SSagi Grimberg }
36898a187ee5SSagi Grimberg 
3690dd01e66aSSagi Grimberg static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size)
3691e126ba97SEli Cohen {
3692dd01e66aSSagi Grimberg 	set_linv_umr_seg(*seg);
3693e126ba97SEli Cohen 	*seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
3694e126ba97SEli Cohen 	*size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;
3695e126ba97SEli Cohen 	if (unlikely((*seg == qp->sq.qend)))
3696e126ba97SEli Cohen 		*seg = mlx5_get_send_wqe(qp, 0);
3697dd01e66aSSagi Grimberg 	set_linv_mkey_seg(*seg);
3698e126ba97SEli Cohen 	*seg += sizeof(struct mlx5_mkey_seg);
3699e126ba97SEli Cohen 	*size += sizeof(struct mlx5_mkey_seg) / 16;
3700e126ba97SEli Cohen 	if (unlikely((*seg == qp->sq.qend)))
3701e126ba97SEli Cohen 		*seg = mlx5_get_send_wqe(qp, 0);
3702e126ba97SEli Cohen }
3703e126ba97SEli Cohen 
3704e126ba97SEli Cohen static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16)
3705e126ba97SEli Cohen {
3706e126ba97SEli Cohen 	__be32 *p = NULL;
3707e126ba97SEli Cohen 	int tidx = idx;
3708e126ba97SEli Cohen 	int i, j;
3709e126ba97SEli Cohen 
3710e126ba97SEli Cohen 	pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx));
3711e126ba97SEli Cohen 	for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) {
3712e126ba97SEli Cohen 		if ((i & 0xf) == 0) {
3713e126ba97SEli Cohen 			void *buf = mlx5_get_send_wqe(qp, tidx);
3714e126ba97SEli Cohen 			tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1);
3715e126ba97SEli Cohen 			p = buf;
3716e126ba97SEli Cohen 			j = 0;
3717e126ba97SEli Cohen 		}
3718e126ba97SEli Cohen 		pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]),
3719e126ba97SEli Cohen 			 be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]),
3720e126ba97SEli Cohen 			 be32_to_cpu(p[j + 3]));
3721e126ba97SEli Cohen 	}
3722e126ba97SEli Cohen }
3723e126ba97SEli Cohen 
3724e126ba97SEli Cohen static u8 get_fence(u8 fence, struct ib_send_wr *wr)
3725e126ba97SEli Cohen {
3726e126ba97SEli Cohen 	if (unlikely(wr->opcode == IB_WR_LOCAL_INV &&
3727e126ba97SEli Cohen 		     wr->send_flags & IB_SEND_FENCE))
3728e126ba97SEli Cohen 		return MLX5_FENCE_MODE_STRONG_ORDERING;
3729e126ba97SEli Cohen 
3730e126ba97SEli Cohen 	if (unlikely(fence)) {
3731e126ba97SEli Cohen 		if (wr->send_flags & IB_SEND_FENCE)
3732e126ba97SEli Cohen 			return MLX5_FENCE_MODE_SMALL_AND_FENCE;
3733e126ba97SEli Cohen 		else
3734e126ba97SEli Cohen 			return fence;
3735c9b25495SEli Cohen 	} else if (unlikely(wr->send_flags & IB_SEND_FENCE)) {
3736c9b25495SEli Cohen 		return MLX5_FENCE_MODE_FENCE;
3737e126ba97SEli Cohen 	}
3738c9b25495SEli Cohen 
3739c9b25495SEli Cohen 	return 0;
3740e126ba97SEli Cohen }
3741e126ba97SEli Cohen 
37426e5eadacSSagi Grimberg static int begin_wqe(struct mlx5_ib_qp *qp, void **seg,
37436e5eadacSSagi Grimberg 		     struct mlx5_wqe_ctrl_seg **ctrl,
37446a4f139aSEli Cohen 		     struct ib_send_wr *wr, unsigned *idx,
37456e5eadacSSagi Grimberg 		     int *size, int nreq)
37466e5eadacSSagi Grimberg {
3747b2a232d2SLeon Romanovsky 	if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)))
3748b2a232d2SLeon Romanovsky 		return -ENOMEM;
37496e5eadacSSagi Grimberg 
37506e5eadacSSagi Grimberg 	*idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1);
37516e5eadacSSagi Grimberg 	*seg = mlx5_get_send_wqe(qp, *idx);
37526e5eadacSSagi Grimberg 	*ctrl = *seg;
37536e5eadacSSagi Grimberg 	*(uint32_t *)(*seg + 8) = 0;
37546e5eadacSSagi Grimberg 	(*ctrl)->imm = send_ieth(wr);
37556e5eadacSSagi Grimberg 	(*ctrl)->fm_ce_se = qp->sq_signal_bits |
37566e5eadacSSagi Grimberg 		(wr->send_flags & IB_SEND_SIGNALED ?
37576e5eadacSSagi Grimberg 		 MLX5_WQE_CTRL_CQ_UPDATE : 0) |
37586e5eadacSSagi Grimberg 		(wr->send_flags & IB_SEND_SOLICITED ?
37596e5eadacSSagi Grimberg 		 MLX5_WQE_CTRL_SOLICITED : 0);
37606e5eadacSSagi Grimberg 
37616e5eadacSSagi Grimberg 	*seg += sizeof(**ctrl);
37626e5eadacSSagi Grimberg 	*size = sizeof(**ctrl) / 16;
37636e5eadacSSagi Grimberg 
3764b2a232d2SLeon Romanovsky 	return 0;
37656e5eadacSSagi Grimberg }
37666e5eadacSSagi Grimberg 
37676e5eadacSSagi Grimberg static void finish_wqe(struct mlx5_ib_qp *qp,
37686e5eadacSSagi Grimberg 		       struct mlx5_wqe_ctrl_seg *ctrl,
37696e5eadacSSagi Grimberg 		       u8 size, unsigned idx, u64 wr_id,
37706e5eadacSSagi Grimberg 		       int nreq, u8 fence, u8 next_fence,
37716e5eadacSSagi Grimberg 		       u32 mlx5_opcode)
37726e5eadacSSagi Grimberg {
37736e5eadacSSagi Grimberg 	u8 opmod = 0;
37746e5eadacSSagi Grimberg 
37756e5eadacSSagi Grimberg 	ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) |
37766e5eadacSSagi Grimberg 					     mlx5_opcode | ((u32)opmod << 24));
377719098df2Smajd@mellanox.com 	ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8));
37786e5eadacSSagi Grimberg 	ctrl->fm_ce_se |= fence;
37796e5eadacSSagi Grimberg 	qp->fm_cache = next_fence;
37806e5eadacSSagi Grimberg 	if (unlikely(qp->wq_sig))
37816e5eadacSSagi Grimberg 		ctrl->signature = wq_sig(ctrl);
37826e5eadacSSagi Grimberg 
37836e5eadacSSagi Grimberg 	qp->sq.wrid[idx] = wr_id;
37846e5eadacSSagi Grimberg 	qp->sq.w_list[idx].opcode = mlx5_opcode;
37856e5eadacSSagi Grimberg 	qp->sq.wqe_head[idx] = qp->sq.head + nreq;
37866e5eadacSSagi Grimberg 	qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB);
37876e5eadacSSagi Grimberg 	qp->sq.w_list[idx].next = qp->sq.cur_post;
37886e5eadacSSagi Grimberg }
37896e5eadacSSagi Grimberg 
37906e5eadacSSagi Grimberg 
3791e126ba97SEli Cohen int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
3792e126ba97SEli Cohen 		      struct ib_send_wr **bad_wr)
3793e126ba97SEli Cohen {
3794e126ba97SEli Cohen 	struct mlx5_wqe_ctrl_seg *ctrl = NULL;  /* compiler warning */
3795e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
379689ea94a7SMaor Gottlieb 	struct mlx5_core_dev *mdev = dev->mdev;
3797d16e91daSHaggai Eran 	struct mlx5_ib_qp *qp;
3798e6631814SSagi Grimberg 	struct mlx5_ib_mr *mr;
3799e126ba97SEli Cohen 	struct mlx5_wqe_data_seg *dpseg;
3800e126ba97SEli Cohen 	struct mlx5_wqe_xrc_seg *xrc;
3801d16e91daSHaggai Eran 	struct mlx5_bf *bf;
3802e126ba97SEli Cohen 	int uninitialized_var(size);
3803d16e91daSHaggai Eran 	void *qend;
3804e126ba97SEli Cohen 	unsigned long flags;
3805e126ba97SEli Cohen 	unsigned idx;
3806e126ba97SEli Cohen 	int err = 0;
3807e126ba97SEli Cohen 	int inl = 0;
3808e126ba97SEli Cohen 	int num_sge;
3809e126ba97SEli Cohen 	void *seg;
3810e126ba97SEli Cohen 	int nreq;
3811e126ba97SEli Cohen 	int i;
3812e126ba97SEli Cohen 	u8 next_fence = 0;
3813e126ba97SEli Cohen 	u8 fence;
3814e126ba97SEli Cohen 
3815d16e91daSHaggai Eran 	if (unlikely(ibqp->qp_type == IB_QPT_GSI))
3816d16e91daSHaggai Eran 		return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr);
3817d16e91daSHaggai Eran 
3818d16e91daSHaggai Eran 	qp = to_mqp(ibqp);
38195fe9dec0SEli Cohen 	bf = &qp->bf;
3820d16e91daSHaggai Eran 	qend = qp->sq.qend;
3821d16e91daSHaggai Eran 
3822e126ba97SEli Cohen 	spin_lock_irqsave(&qp->sq.lock, flags);
3823e126ba97SEli Cohen 
382489ea94a7SMaor Gottlieb 	if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
382589ea94a7SMaor Gottlieb 		err = -EIO;
382689ea94a7SMaor Gottlieb 		*bad_wr = wr;
382789ea94a7SMaor Gottlieb 		nreq = 0;
382889ea94a7SMaor Gottlieb 		goto out;
382989ea94a7SMaor Gottlieb 	}
383089ea94a7SMaor Gottlieb 
3831e126ba97SEli Cohen 	for (nreq = 0; wr; nreq++, wr = wr->next) {
3832a8f731ebSFabian Frederick 		if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) {
3833e126ba97SEli Cohen 			mlx5_ib_warn(dev, "\n");
3834e126ba97SEli Cohen 			err = -EINVAL;
3835e126ba97SEli Cohen 			*bad_wr = wr;
3836e126ba97SEli Cohen 			goto out;
3837e126ba97SEli Cohen 		}
3838e126ba97SEli Cohen 
3839e126ba97SEli Cohen 		fence = qp->fm_cache;
3840e126ba97SEli Cohen 		num_sge = wr->num_sge;
3841e126ba97SEli Cohen 		if (unlikely(num_sge > qp->sq.max_gs)) {
3842e126ba97SEli Cohen 			mlx5_ib_warn(dev, "\n");
384324be409bSChuck Lever 			err = -EINVAL;
3844e126ba97SEli Cohen 			*bad_wr = wr;
3845e126ba97SEli Cohen 			goto out;
3846e126ba97SEli Cohen 		}
3847e126ba97SEli Cohen 
38486e5eadacSSagi Grimberg 		err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq);
38496e5eadacSSagi Grimberg 		if (err) {
38506e5eadacSSagi Grimberg 			mlx5_ib_warn(dev, "\n");
38516e5eadacSSagi Grimberg 			err = -ENOMEM;
38526e5eadacSSagi Grimberg 			*bad_wr = wr;
38536e5eadacSSagi Grimberg 			goto out;
38546e5eadacSSagi Grimberg 		}
3855e126ba97SEli Cohen 
3856e126ba97SEli Cohen 		switch (ibqp->qp_type) {
3857e126ba97SEli Cohen 		case IB_QPT_XRC_INI:
3858e126ba97SEli Cohen 			xrc = seg;
3859e126ba97SEli Cohen 			seg += sizeof(*xrc);
3860e126ba97SEli Cohen 			size += sizeof(*xrc) / 16;
3861e126ba97SEli Cohen 			/* fall through */
3862e126ba97SEli Cohen 		case IB_QPT_RC:
3863e126ba97SEli Cohen 			switch (wr->opcode) {
3864e126ba97SEli Cohen 			case IB_WR_RDMA_READ:
3865e126ba97SEli Cohen 			case IB_WR_RDMA_WRITE:
3866e126ba97SEli Cohen 			case IB_WR_RDMA_WRITE_WITH_IMM:
3867e622f2f4SChristoph Hellwig 				set_raddr_seg(seg, rdma_wr(wr)->remote_addr,
3868e622f2f4SChristoph Hellwig 					      rdma_wr(wr)->rkey);
3869e126ba97SEli Cohen 				seg += sizeof(struct mlx5_wqe_raddr_seg);
3870e126ba97SEli Cohen 				size += sizeof(struct mlx5_wqe_raddr_seg) / 16;
3871e126ba97SEli Cohen 				break;
3872e126ba97SEli Cohen 
3873e126ba97SEli Cohen 			case IB_WR_ATOMIC_CMP_AND_SWP:
3874e126ba97SEli Cohen 			case IB_WR_ATOMIC_FETCH_AND_ADD:
3875e126ba97SEli Cohen 			case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
387681bea28fSEli Cohen 				mlx5_ib_warn(dev, "Atomic operations are not supported yet\n");
387781bea28fSEli Cohen 				err = -ENOSYS;
387881bea28fSEli Cohen 				*bad_wr = wr;
387981bea28fSEli Cohen 				goto out;
3880e126ba97SEli Cohen 
3881e126ba97SEli Cohen 			case IB_WR_LOCAL_INV:
3882e126ba97SEli Cohen 				next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
3883e126ba97SEli Cohen 				qp->sq.wr_data[idx] = IB_WR_LOCAL_INV;
3884e126ba97SEli Cohen 				ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey);
3885dd01e66aSSagi Grimberg 				set_linv_wr(qp, &seg, &size);
3886e126ba97SEli Cohen 				num_sge = 0;
3887e126ba97SEli Cohen 				break;
3888e126ba97SEli Cohen 
38898a187ee5SSagi Grimberg 			case IB_WR_REG_MR:
38908a187ee5SSagi Grimberg 				next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
38918a187ee5SSagi Grimberg 				qp->sq.wr_data[idx] = IB_WR_REG_MR;
38928a187ee5SSagi Grimberg 				ctrl->imm = cpu_to_be32(reg_wr(wr)->key);
38938a187ee5SSagi Grimberg 				err = set_reg_wr(qp, reg_wr(wr), &seg, &size);
38948a187ee5SSagi Grimberg 				if (err) {
38958a187ee5SSagi Grimberg 					*bad_wr = wr;
38968a187ee5SSagi Grimberg 					goto out;
38978a187ee5SSagi Grimberg 				}
38988a187ee5SSagi Grimberg 				num_sge = 0;
38998a187ee5SSagi Grimberg 				break;
39008a187ee5SSagi Grimberg 
3901e6631814SSagi Grimberg 			case IB_WR_REG_SIG_MR:
3902e6631814SSagi Grimberg 				qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR;
3903e622f2f4SChristoph Hellwig 				mr = to_mmr(sig_handover_wr(wr)->sig_mr);
3904e6631814SSagi Grimberg 
3905e6631814SSagi Grimberg 				ctrl->imm = cpu_to_be32(mr->ibmr.rkey);
3906e6631814SSagi Grimberg 				err = set_sig_umr_wr(wr, qp, &seg, &size);
3907e6631814SSagi Grimberg 				if (err) {
3908e6631814SSagi Grimberg 					mlx5_ib_warn(dev, "\n");
3909e6631814SSagi Grimberg 					*bad_wr = wr;
3910e6631814SSagi Grimberg 					goto out;
3911e6631814SSagi Grimberg 				}
3912e6631814SSagi Grimberg 
3913e6631814SSagi Grimberg 				finish_wqe(qp, ctrl, size, idx, wr->wr_id,
3914e6631814SSagi Grimberg 					   nreq, get_fence(fence, wr),
3915e6631814SSagi Grimberg 					   next_fence, MLX5_OPCODE_UMR);
3916e6631814SSagi Grimberg 				/*
3917e6631814SSagi Grimberg 				 * SET_PSV WQEs are not signaled and solicited
3918e6631814SSagi Grimberg 				 * on error
3919e6631814SSagi Grimberg 				 */
3920e6631814SSagi Grimberg 				wr->send_flags &= ~IB_SEND_SIGNALED;
3921e6631814SSagi Grimberg 				wr->send_flags |= IB_SEND_SOLICITED;
3922e6631814SSagi Grimberg 				err = begin_wqe(qp, &seg, &ctrl, wr,
3923e6631814SSagi Grimberg 						&idx, &size, nreq);
3924e6631814SSagi Grimberg 				if (err) {
3925e6631814SSagi Grimberg 					mlx5_ib_warn(dev, "\n");
3926e6631814SSagi Grimberg 					err = -ENOMEM;
3927e6631814SSagi Grimberg 					*bad_wr = wr;
3928e6631814SSagi Grimberg 					goto out;
3929e6631814SSagi Grimberg 				}
3930e6631814SSagi Grimberg 
3931e622f2f4SChristoph Hellwig 				err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem,
3932e6631814SSagi Grimberg 						 mr->sig->psv_memory.psv_idx, &seg,
3933e6631814SSagi Grimberg 						 &size);
3934e6631814SSagi Grimberg 				if (err) {
3935e6631814SSagi Grimberg 					mlx5_ib_warn(dev, "\n");
3936e6631814SSagi Grimberg 					*bad_wr = wr;
3937e6631814SSagi Grimberg 					goto out;
3938e6631814SSagi Grimberg 				}
3939e6631814SSagi Grimberg 
3940e6631814SSagi Grimberg 				finish_wqe(qp, ctrl, size, idx, wr->wr_id,
3941e6631814SSagi Grimberg 					   nreq, get_fence(fence, wr),
3942e6631814SSagi Grimberg 					   next_fence, MLX5_OPCODE_SET_PSV);
3943e6631814SSagi Grimberg 				err = begin_wqe(qp, &seg, &ctrl, wr,
3944e6631814SSagi Grimberg 						&idx, &size, nreq);
3945e6631814SSagi Grimberg 				if (err) {
3946e6631814SSagi Grimberg 					mlx5_ib_warn(dev, "\n");
3947e6631814SSagi Grimberg 					err = -ENOMEM;
3948e6631814SSagi Grimberg 					*bad_wr = wr;
3949e6631814SSagi Grimberg 					goto out;
3950e6631814SSagi Grimberg 				}
3951e6631814SSagi Grimberg 
3952e6631814SSagi Grimberg 				next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
3953e622f2f4SChristoph Hellwig 				err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire,
3954e6631814SSagi Grimberg 						 mr->sig->psv_wire.psv_idx, &seg,
3955e6631814SSagi Grimberg 						 &size);
3956e6631814SSagi Grimberg 				if (err) {
3957e6631814SSagi Grimberg 					mlx5_ib_warn(dev, "\n");
3958e6631814SSagi Grimberg 					*bad_wr = wr;
3959e6631814SSagi Grimberg 					goto out;
3960e6631814SSagi Grimberg 				}
3961e6631814SSagi Grimberg 
3962e6631814SSagi Grimberg 				finish_wqe(qp, ctrl, size, idx, wr->wr_id,
3963e6631814SSagi Grimberg 					   nreq, get_fence(fence, wr),
3964e6631814SSagi Grimberg 					   next_fence, MLX5_OPCODE_SET_PSV);
3965e6631814SSagi Grimberg 				num_sge = 0;
3966e6631814SSagi Grimberg 				goto skip_psv;
3967e6631814SSagi Grimberg 
3968e126ba97SEli Cohen 			default:
3969e126ba97SEli Cohen 				break;
3970e126ba97SEli Cohen 			}
3971e126ba97SEli Cohen 			break;
3972e126ba97SEli Cohen 
3973e126ba97SEli Cohen 		case IB_QPT_UC:
3974e126ba97SEli Cohen 			switch (wr->opcode) {
3975e126ba97SEli Cohen 			case IB_WR_RDMA_WRITE:
3976e126ba97SEli Cohen 			case IB_WR_RDMA_WRITE_WITH_IMM:
3977e622f2f4SChristoph Hellwig 				set_raddr_seg(seg, rdma_wr(wr)->remote_addr,
3978e622f2f4SChristoph Hellwig 					      rdma_wr(wr)->rkey);
3979e126ba97SEli Cohen 				seg  += sizeof(struct mlx5_wqe_raddr_seg);
3980e126ba97SEli Cohen 				size += sizeof(struct mlx5_wqe_raddr_seg) / 16;
3981e126ba97SEli Cohen 				break;
3982e126ba97SEli Cohen 
3983e126ba97SEli Cohen 			default:
3984e126ba97SEli Cohen 				break;
3985e126ba97SEli Cohen 			}
3986e126ba97SEli Cohen 			break;
3987e126ba97SEli Cohen 
3988e126ba97SEli Cohen 		case IB_QPT_SMI:
39891e0e50b6SMaor Gottlieb 			if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) {
39901e0e50b6SMaor Gottlieb 				mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n");
39911e0e50b6SMaor Gottlieb 				err = -EPERM;
39921e0e50b6SMaor Gottlieb 				*bad_wr = wr;
39931e0e50b6SMaor Gottlieb 				goto out;
39941e0e50b6SMaor Gottlieb 			}
3995d16e91daSHaggai Eran 		case MLX5_IB_QPT_HW_GSI:
3996e126ba97SEli Cohen 			set_datagram_seg(seg, wr);
3997e126ba97SEli Cohen 			seg += sizeof(struct mlx5_wqe_datagram_seg);
3998e126ba97SEli Cohen 			size += sizeof(struct mlx5_wqe_datagram_seg) / 16;
3999e126ba97SEli Cohen 			if (unlikely((seg == qend)))
4000e126ba97SEli Cohen 				seg = mlx5_get_send_wqe(qp, 0);
4001e126ba97SEli Cohen 			break;
4002f0313965SErez Shitrit 		case IB_QPT_UD:
4003f0313965SErez Shitrit 			set_datagram_seg(seg, wr);
4004f0313965SErez Shitrit 			seg += sizeof(struct mlx5_wqe_datagram_seg);
4005f0313965SErez Shitrit 			size += sizeof(struct mlx5_wqe_datagram_seg) / 16;
4006e126ba97SEli Cohen 
4007f0313965SErez Shitrit 			if (unlikely((seg == qend)))
4008f0313965SErez Shitrit 				seg = mlx5_get_send_wqe(qp, 0);
4009f0313965SErez Shitrit 
4010f0313965SErez Shitrit 			/* handle qp that supports ud offload */
4011f0313965SErez Shitrit 			if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) {
4012f0313965SErez Shitrit 				struct mlx5_wqe_eth_pad *pad;
4013f0313965SErez Shitrit 
4014f0313965SErez Shitrit 				pad = seg;
4015f0313965SErez Shitrit 				memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad));
4016f0313965SErez Shitrit 				seg += sizeof(struct mlx5_wqe_eth_pad);
4017f0313965SErez Shitrit 				size += sizeof(struct mlx5_wqe_eth_pad) / 16;
4018f0313965SErez Shitrit 
4019f0313965SErez Shitrit 				seg = set_eth_seg(seg, wr, qend, qp, &size);
4020f0313965SErez Shitrit 
4021f0313965SErez Shitrit 				if (unlikely((seg == qend)))
4022f0313965SErez Shitrit 					seg = mlx5_get_send_wqe(qp, 0);
4023f0313965SErez Shitrit 			}
4024f0313965SErez Shitrit 			break;
4025e126ba97SEli Cohen 		case MLX5_IB_QPT_REG_UMR:
4026e126ba97SEli Cohen 			if (wr->opcode != MLX5_IB_WR_UMR) {
4027e126ba97SEli Cohen 				err = -EINVAL;
4028e126ba97SEli Cohen 				mlx5_ib_warn(dev, "bad opcode\n");
4029e126ba97SEli Cohen 				goto out;
4030e126ba97SEli Cohen 			}
4031e126ba97SEli Cohen 			qp->sq.wr_data[idx] = MLX5_IB_WR_UMR;
4032e622f2f4SChristoph Hellwig 			ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey);
4033578e7264SMaor Gottlieb 			set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic)));
4034e126ba97SEli Cohen 			seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
4035e126ba97SEli Cohen 			size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;
4036e126ba97SEli Cohen 			if (unlikely((seg == qend)))
4037e126ba97SEli Cohen 				seg = mlx5_get_send_wqe(qp, 0);
4038e126ba97SEli Cohen 			set_reg_mkey_segment(seg, wr);
4039e126ba97SEli Cohen 			seg += sizeof(struct mlx5_mkey_seg);
4040e126ba97SEli Cohen 			size += sizeof(struct mlx5_mkey_seg) / 16;
4041e126ba97SEli Cohen 			if (unlikely((seg == qend)))
4042e126ba97SEli Cohen 				seg = mlx5_get_send_wqe(qp, 0);
4043e126ba97SEli Cohen 			break;
4044e126ba97SEli Cohen 
4045e126ba97SEli Cohen 		default:
4046e126ba97SEli Cohen 			break;
4047e126ba97SEli Cohen 		}
4048e126ba97SEli Cohen 
4049e126ba97SEli Cohen 		if (wr->send_flags & IB_SEND_INLINE && num_sge) {
4050e126ba97SEli Cohen 			int uninitialized_var(sz);
4051e126ba97SEli Cohen 
4052e126ba97SEli Cohen 			err = set_data_inl_seg(qp, wr, seg, &sz);
4053e126ba97SEli Cohen 			if (unlikely(err)) {
4054e126ba97SEli Cohen 				mlx5_ib_warn(dev, "\n");
4055e126ba97SEli Cohen 				*bad_wr = wr;
4056e126ba97SEli Cohen 				goto out;
4057e126ba97SEli Cohen 			}
4058e126ba97SEli Cohen 			inl = 1;
4059e126ba97SEli Cohen 			size += sz;
4060e126ba97SEli Cohen 		} else {
4061e126ba97SEli Cohen 			dpseg = seg;
4062e126ba97SEli Cohen 			for (i = 0; i < num_sge; i++) {
4063e126ba97SEli Cohen 				if (unlikely(dpseg == qend)) {
4064e126ba97SEli Cohen 					seg = mlx5_get_send_wqe(qp, 0);
4065e126ba97SEli Cohen 					dpseg = seg;
4066e126ba97SEli Cohen 				}
4067e126ba97SEli Cohen 				if (likely(wr->sg_list[i].length)) {
4068e126ba97SEli Cohen 					set_data_ptr_seg(dpseg, wr->sg_list + i);
4069e126ba97SEli Cohen 					size += sizeof(struct mlx5_wqe_data_seg) / 16;
4070e126ba97SEli Cohen 					dpseg++;
4071e126ba97SEli Cohen 				}
4072e126ba97SEli Cohen 			}
4073e126ba97SEli Cohen 		}
4074e126ba97SEli Cohen 
40756e5eadacSSagi Grimberg 		finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq,
40766e5eadacSSagi Grimberg 			   get_fence(fence, wr), next_fence,
40776e5eadacSSagi Grimberg 			   mlx5_ib_opcode[wr->opcode]);
4078e6631814SSagi Grimberg skip_psv:
4079e126ba97SEli Cohen 		if (0)
4080e126ba97SEli Cohen 			dump_wqe(qp, idx, size);
4081e126ba97SEli Cohen 	}
4082e126ba97SEli Cohen 
4083e126ba97SEli Cohen out:
4084e126ba97SEli Cohen 	if (likely(nreq)) {
4085e126ba97SEli Cohen 		qp->sq.head += nreq;
4086e126ba97SEli Cohen 
4087e126ba97SEli Cohen 		/* Make sure that descriptors are written before
4088e126ba97SEli Cohen 		 * updating doorbell record and ringing the doorbell
4089e126ba97SEli Cohen 		 */
4090e126ba97SEli Cohen 		wmb();
4091e126ba97SEli Cohen 
4092e126ba97SEli Cohen 		qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post);
4093e126ba97SEli Cohen 
4094ada388f7SEli Cohen 		/* Make sure doorbell record is visible to the HCA before
4095ada388f7SEli Cohen 		 * we hit doorbell */
4096ada388f7SEli Cohen 		wmb();
4097ada388f7SEli Cohen 
40985fe9dec0SEli Cohen 		/* currently we support only regular doorbells */
40995fe9dec0SEli Cohen 		mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL);
4100e126ba97SEli Cohen 		/* Make sure doorbells don't leak out of SQ spinlock
4101e126ba97SEli Cohen 		 * and reach the HCA out of order.
4102e126ba97SEli Cohen 		 */
4103e126ba97SEli Cohen 		mmiowb();
4104e126ba97SEli Cohen 		bf->offset ^= bf->buf_size;
4105e126ba97SEli Cohen 	}
4106e126ba97SEli Cohen 
4107e126ba97SEli Cohen 	spin_unlock_irqrestore(&qp->sq.lock, flags);
4108e126ba97SEli Cohen 
4109e126ba97SEli Cohen 	return err;
4110e126ba97SEli Cohen }
4111e126ba97SEli Cohen 
4112e126ba97SEli Cohen static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size)
4113e126ba97SEli Cohen {
4114e126ba97SEli Cohen 	sig->signature = calc_sig(sig, size);
4115e126ba97SEli Cohen }
4116e126ba97SEli Cohen 
4117e126ba97SEli Cohen int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
4118e126ba97SEli Cohen 		      struct ib_recv_wr **bad_wr)
4119e126ba97SEli Cohen {
4120e126ba97SEli Cohen 	struct mlx5_ib_qp *qp = to_mqp(ibqp);
4121e126ba97SEli Cohen 	struct mlx5_wqe_data_seg *scat;
4122e126ba97SEli Cohen 	struct mlx5_rwqe_sig *sig;
412389ea94a7SMaor Gottlieb 	struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
412489ea94a7SMaor Gottlieb 	struct mlx5_core_dev *mdev = dev->mdev;
4125e126ba97SEli Cohen 	unsigned long flags;
4126e126ba97SEli Cohen 	int err = 0;
4127e126ba97SEli Cohen 	int nreq;
4128e126ba97SEli Cohen 	int ind;
4129e126ba97SEli Cohen 	int i;
4130e126ba97SEli Cohen 
4131d16e91daSHaggai Eran 	if (unlikely(ibqp->qp_type == IB_QPT_GSI))
4132d16e91daSHaggai Eran 		return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr);
4133d16e91daSHaggai Eran 
4134e126ba97SEli Cohen 	spin_lock_irqsave(&qp->rq.lock, flags);
4135e126ba97SEli Cohen 
413689ea94a7SMaor Gottlieb 	if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
413789ea94a7SMaor Gottlieb 		err = -EIO;
413889ea94a7SMaor Gottlieb 		*bad_wr = wr;
413989ea94a7SMaor Gottlieb 		nreq = 0;
414089ea94a7SMaor Gottlieb 		goto out;
414189ea94a7SMaor Gottlieb 	}
414289ea94a7SMaor Gottlieb 
4143e126ba97SEli Cohen 	ind = qp->rq.head & (qp->rq.wqe_cnt - 1);
4144e126ba97SEli Cohen 
4145e126ba97SEli Cohen 	for (nreq = 0; wr; nreq++, wr = wr->next) {
4146e126ba97SEli Cohen 		if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
4147e126ba97SEli Cohen 			err = -ENOMEM;
4148e126ba97SEli Cohen 			*bad_wr = wr;
4149e126ba97SEli Cohen 			goto out;
4150e126ba97SEli Cohen 		}
4151e126ba97SEli Cohen 
4152e126ba97SEli Cohen 		if (unlikely(wr->num_sge > qp->rq.max_gs)) {
4153e126ba97SEli Cohen 			err = -EINVAL;
4154e126ba97SEli Cohen 			*bad_wr = wr;
4155e126ba97SEli Cohen 			goto out;
4156e126ba97SEli Cohen 		}
4157e126ba97SEli Cohen 
4158e126ba97SEli Cohen 		scat = get_recv_wqe(qp, ind);
4159e126ba97SEli Cohen 		if (qp->wq_sig)
4160e126ba97SEli Cohen 			scat++;
4161e126ba97SEli Cohen 
4162e126ba97SEli Cohen 		for (i = 0; i < wr->num_sge; i++)
4163e126ba97SEli Cohen 			set_data_ptr_seg(scat + i, wr->sg_list + i);
4164e126ba97SEli Cohen 
4165e126ba97SEli Cohen 		if (i < qp->rq.max_gs) {
4166e126ba97SEli Cohen 			scat[i].byte_count = 0;
4167e126ba97SEli Cohen 			scat[i].lkey       = cpu_to_be32(MLX5_INVALID_LKEY);
4168e126ba97SEli Cohen 			scat[i].addr       = 0;
4169e126ba97SEli Cohen 		}
4170e126ba97SEli Cohen 
4171e126ba97SEli Cohen 		if (qp->wq_sig) {
4172e126ba97SEli Cohen 			sig = (struct mlx5_rwqe_sig *)scat;
4173e126ba97SEli Cohen 			set_sig_seg(sig, (qp->rq.max_gs + 1) << 2);
4174e126ba97SEli Cohen 		}
4175e126ba97SEli Cohen 
4176e126ba97SEli Cohen 		qp->rq.wrid[ind] = wr->wr_id;
4177e126ba97SEli Cohen 
4178e126ba97SEli Cohen 		ind = (ind + 1) & (qp->rq.wqe_cnt - 1);
4179e126ba97SEli Cohen 	}
4180e126ba97SEli Cohen 
4181e126ba97SEli Cohen out:
4182e126ba97SEli Cohen 	if (likely(nreq)) {
4183e126ba97SEli Cohen 		qp->rq.head += nreq;
4184e126ba97SEli Cohen 
4185e126ba97SEli Cohen 		/* Make sure that descriptors are written before
4186e126ba97SEli Cohen 		 * doorbell record.
4187e126ba97SEli Cohen 		 */
4188e126ba97SEli Cohen 		wmb();
4189e126ba97SEli Cohen 
4190e126ba97SEli Cohen 		*qp->db.db = cpu_to_be32(qp->rq.head & 0xffff);
4191e126ba97SEli Cohen 	}
4192e126ba97SEli Cohen 
4193e126ba97SEli Cohen 	spin_unlock_irqrestore(&qp->rq.lock, flags);
4194e126ba97SEli Cohen 
4195e126ba97SEli Cohen 	return err;
4196e126ba97SEli Cohen }
4197e126ba97SEli Cohen 
4198e126ba97SEli Cohen static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state)
4199e126ba97SEli Cohen {
4200e126ba97SEli Cohen 	switch (mlx5_state) {
4201e126ba97SEli Cohen 	case MLX5_QP_STATE_RST:      return IB_QPS_RESET;
4202e126ba97SEli Cohen 	case MLX5_QP_STATE_INIT:     return IB_QPS_INIT;
4203e126ba97SEli Cohen 	case MLX5_QP_STATE_RTR:      return IB_QPS_RTR;
4204e126ba97SEli Cohen 	case MLX5_QP_STATE_RTS:      return IB_QPS_RTS;
4205e126ba97SEli Cohen 	case MLX5_QP_STATE_SQ_DRAINING:
4206e126ba97SEli Cohen 	case MLX5_QP_STATE_SQD:      return IB_QPS_SQD;
4207e126ba97SEli Cohen 	case MLX5_QP_STATE_SQER:     return IB_QPS_SQE;
4208e126ba97SEli Cohen 	case MLX5_QP_STATE_ERR:      return IB_QPS_ERR;
4209e126ba97SEli Cohen 	default:		     return -1;
4210e126ba97SEli Cohen 	}
4211e126ba97SEli Cohen }
4212e126ba97SEli Cohen 
4213e126ba97SEli Cohen static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state)
4214e126ba97SEli Cohen {
4215e126ba97SEli Cohen 	switch (mlx5_mig_state) {
4216e126ba97SEli Cohen 	case MLX5_QP_PM_ARMED:		return IB_MIG_ARMED;
4217e126ba97SEli Cohen 	case MLX5_QP_PM_REARM:		return IB_MIG_REARM;
4218e126ba97SEli Cohen 	case MLX5_QP_PM_MIGRATED:	return IB_MIG_MIGRATED;
4219e126ba97SEli Cohen 	default: return -1;
4220e126ba97SEli Cohen 	}
4221e126ba97SEli Cohen }
4222e126ba97SEli Cohen 
4223e126ba97SEli Cohen static int to_ib_qp_access_flags(int mlx5_flags)
4224e126ba97SEli Cohen {
4225e126ba97SEli Cohen 	int ib_flags = 0;
4226e126ba97SEli Cohen 
4227e126ba97SEli Cohen 	if (mlx5_flags & MLX5_QP_BIT_RRE)
4228e126ba97SEli Cohen 		ib_flags |= IB_ACCESS_REMOTE_READ;
4229e126ba97SEli Cohen 	if (mlx5_flags & MLX5_QP_BIT_RWE)
4230e126ba97SEli Cohen 		ib_flags |= IB_ACCESS_REMOTE_WRITE;
4231e126ba97SEli Cohen 	if (mlx5_flags & MLX5_QP_BIT_RAE)
4232e126ba97SEli Cohen 		ib_flags |= IB_ACCESS_REMOTE_ATOMIC;
4233e126ba97SEli Cohen 
4234e126ba97SEli Cohen 	return ib_flags;
4235e126ba97SEli Cohen }
4236e126ba97SEli Cohen 
4237e126ba97SEli Cohen static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr,
4238e126ba97SEli Cohen 				struct mlx5_qp_path *path)
4239e126ba97SEli Cohen {
42409603b61dSJack Morgenstein 	struct mlx5_core_dev *dev = ibdev->mdev;
4241e126ba97SEli Cohen 
4242e126ba97SEli Cohen 	memset(ib_ah_attr, 0, sizeof(*ib_ah_attr));
4243e126ba97SEli Cohen 	ib_ah_attr->port_num	  = path->port;
4244e126ba97SEli Cohen 
4245c7a08ac7SEli Cohen 	if (ib_ah_attr->port_num == 0 ||
4246938fe83cSSaeed Mahameed 	    ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports))
4247e126ba97SEli Cohen 		return;
4248e126ba97SEli Cohen 
42492811ba51SAchiad Shochat 	ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf;
4250e126ba97SEli Cohen 
4251e126ba97SEli Cohen 	ib_ah_attr->dlid	  = be16_to_cpu(path->rlid);
4252e126ba97SEli Cohen 	ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f;
4253e126ba97SEli Cohen 	ib_ah_attr->static_rate   = path->static_rate ? path->static_rate - 5 : 0;
4254e126ba97SEli Cohen 	ib_ah_attr->ah_flags      = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0;
4255e126ba97SEli Cohen 	if (ib_ah_attr->ah_flags) {
4256e126ba97SEli Cohen 		ib_ah_attr->grh.sgid_index = path->mgid_index;
4257e126ba97SEli Cohen 		ib_ah_attr->grh.hop_limit  = path->hop_limit;
4258e126ba97SEli Cohen 		ib_ah_attr->grh.traffic_class =
4259e126ba97SEli Cohen 			(be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff;
4260e126ba97SEli Cohen 		ib_ah_attr->grh.flow_label =
4261e126ba97SEli Cohen 			be32_to_cpu(path->tclass_flowlabel) & 0xfffff;
4262e126ba97SEli Cohen 		memcpy(ib_ah_attr->grh.dgid.raw,
4263e126ba97SEli Cohen 		       path->rgid, sizeof(ib_ah_attr->grh.dgid.raw));
4264e126ba97SEli Cohen 	}
4265e126ba97SEli Cohen }
4266e126ba97SEli Cohen 
42676d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev,
42686d2f89dfSmajd@mellanox.com 					struct mlx5_ib_sq *sq,
42696d2f89dfSmajd@mellanox.com 					u8 *sq_state)
4270e126ba97SEli Cohen {
42716d2f89dfSmajd@mellanox.com 	void *out;
42726d2f89dfSmajd@mellanox.com 	void *sqc;
42736d2f89dfSmajd@mellanox.com 	int inlen;
42746d2f89dfSmajd@mellanox.com 	int err;
42756d2f89dfSmajd@mellanox.com 
42766d2f89dfSmajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(query_sq_out);
42776d2f89dfSmajd@mellanox.com 	out = mlx5_vzalloc(inlen);
42786d2f89dfSmajd@mellanox.com 	if (!out)
42796d2f89dfSmajd@mellanox.com 		return -ENOMEM;
42806d2f89dfSmajd@mellanox.com 
42816d2f89dfSmajd@mellanox.com 	err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out);
42826d2f89dfSmajd@mellanox.com 	if (err)
42836d2f89dfSmajd@mellanox.com 		goto out;
42846d2f89dfSmajd@mellanox.com 
42856d2f89dfSmajd@mellanox.com 	sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context);
42866d2f89dfSmajd@mellanox.com 	*sq_state = MLX5_GET(sqc, sqc, state);
42876d2f89dfSmajd@mellanox.com 	sq->state = *sq_state;
42886d2f89dfSmajd@mellanox.com 
42896d2f89dfSmajd@mellanox.com out:
42906d2f89dfSmajd@mellanox.com 	kvfree(out);
42916d2f89dfSmajd@mellanox.com 	return err;
42926d2f89dfSmajd@mellanox.com }
42936d2f89dfSmajd@mellanox.com 
42946d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev,
42956d2f89dfSmajd@mellanox.com 					struct mlx5_ib_rq *rq,
42966d2f89dfSmajd@mellanox.com 					u8 *rq_state)
42976d2f89dfSmajd@mellanox.com {
42986d2f89dfSmajd@mellanox.com 	void *out;
42996d2f89dfSmajd@mellanox.com 	void *rqc;
43006d2f89dfSmajd@mellanox.com 	int inlen;
43016d2f89dfSmajd@mellanox.com 	int err;
43026d2f89dfSmajd@mellanox.com 
43036d2f89dfSmajd@mellanox.com 	inlen = MLX5_ST_SZ_BYTES(query_rq_out);
43046d2f89dfSmajd@mellanox.com 	out = mlx5_vzalloc(inlen);
43056d2f89dfSmajd@mellanox.com 	if (!out)
43066d2f89dfSmajd@mellanox.com 		return -ENOMEM;
43076d2f89dfSmajd@mellanox.com 
43086d2f89dfSmajd@mellanox.com 	err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out);
43096d2f89dfSmajd@mellanox.com 	if (err)
43106d2f89dfSmajd@mellanox.com 		goto out;
43116d2f89dfSmajd@mellanox.com 
43126d2f89dfSmajd@mellanox.com 	rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context);
43136d2f89dfSmajd@mellanox.com 	*rq_state = MLX5_GET(rqc, rqc, state);
43146d2f89dfSmajd@mellanox.com 	rq->state = *rq_state;
43156d2f89dfSmajd@mellanox.com 
43166d2f89dfSmajd@mellanox.com out:
43176d2f89dfSmajd@mellanox.com 	kvfree(out);
43186d2f89dfSmajd@mellanox.com 	return err;
43196d2f89dfSmajd@mellanox.com }
43206d2f89dfSmajd@mellanox.com 
43216d2f89dfSmajd@mellanox.com static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state,
43226d2f89dfSmajd@mellanox.com 				  struct mlx5_ib_qp *qp, u8 *qp_state)
43236d2f89dfSmajd@mellanox.com {
43246d2f89dfSmajd@mellanox.com 	static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = {
43256d2f89dfSmajd@mellanox.com 		[MLX5_RQC_STATE_RST] = {
43266d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RST]	= IB_QPS_RESET,
43276d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RDY]	= MLX5_QP_STATE_BAD,
43286d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_ERR]	= MLX5_QP_STATE_BAD,
43296d2f89dfSmajd@mellanox.com 			[MLX5_SQ_STATE_NA]	= IB_QPS_RESET,
43306d2f89dfSmajd@mellanox.com 		},
43316d2f89dfSmajd@mellanox.com 		[MLX5_RQC_STATE_RDY] = {
43326d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RST]	= MLX5_QP_STATE_BAD,
43336d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RDY]	= MLX5_QP_STATE,
43346d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_ERR]	= IB_QPS_SQE,
43356d2f89dfSmajd@mellanox.com 			[MLX5_SQ_STATE_NA]	= MLX5_QP_STATE,
43366d2f89dfSmajd@mellanox.com 		},
43376d2f89dfSmajd@mellanox.com 		[MLX5_RQC_STATE_ERR] = {
43386d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RST]    = MLX5_QP_STATE_BAD,
43396d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RDY]	= MLX5_QP_STATE_BAD,
43406d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_ERR]	= IB_QPS_ERR,
43416d2f89dfSmajd@mellanox.com 			[MLX5_SQ_STATE_NA]	= IB_QPS_ERR,
43426d2f89dfSmajd@mellanox.com 		},
43436d2f89dfSmajd@mellanox.com 		[MLX5_RQ_STATE_NA] = {
43446d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RST]    = IB_QPS_RESET,
43456d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_RDY]	= MLX5_QP_STATE,
43466d2f89dfSmajd@mellanox.com 			[MLX5_SQC_STATE_ERR]	= MLX5_QP_STATE,
43476d2f89dfSmajd@mellanox.com 			[MLX5_SQ_STATE_NA]	= MLX5_QP_STATE_BAD,
43486d2f89dfSmajd@mellanox.com 		},
43496d2f89dfSmajd@mellanox.com 	};
43506d2f89dfSmajd@mellanox.com 
43516d2f89dfSmajd@mellanox.com 	*qp_state = sqrq_trans[rq_state][sq_state];
43526d2f89dfSmajd@mellanox.com 
43536d2f89dfSmajd@mellanox.com 	if (*qp_state == MLX5_QP_STATE_BAD) {
43546d2f89dfSmajd@mellanox.com 		WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x",
43556d2f89dfSmajd@mellanox.com 		     qp->raw_packet_qp.sq.base.mqp.qpn, sq_state,
43566d2f89dfSmajd@mellanox.com 		     qp->raw_packet_qp.rq.base.mqp.qpn, rq_state);
43576d2f89dfSmajd@mellanox.com 		return -EINVAL;
43586d2f89dfSmajd@mellanox.com 	}
43596d2f89dfSmajd@mellanox.com 
43606d2f89dfSmajd@mellanox.com 	if (*qp_state == MLX5_QP_STATE)
43616d2f89dfSmajd@mellanox.com 		*qp_state = qp->state;
43626d2f89dfSmajd@mellanox.com 
43636d2f89dfSmajd@mellanox.com 	return 0;
43646d2f89dfSmajd@mellanox.com }
43656d2f89dfSmajd@mellanox.com 
43666d2f89dfSmajd@mellanox.com static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev,
43676d2f89dfSmajd@mellanox.com 				     struct mlx5_ib_qp *qp,
43686d2f89dfSmajd@mellanox.com 				     u8 *raw_packet_qp_state)
43696d2f89dfSmajd@mellanox.com {
43706d2f89dfSmajd@mellanox.com 	struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp;
43716d2f89dfSmajd@mellanox.com 	struct mlx5_ib_sq *sq = &raw_packet_qp->sq;
43726d2f89dfSmajd@mellanox.com 	struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
43736d2f89dfSmajd@mellanox.com 	int err;
43746d2f89dfSmajd@mellanox.com 	u8 sq_state = MLX5_SQ_STATE_NA;
43756d2f89dfSmajd@mellanox.com 	u8 rq_state = MLX5_RQ_STATE_NA;
43766d2f89dfSmajd@mellanox.com 
43776d2f89dfSmajd@mellanox.com 	if (qp->sq.wqe_cnt) {
43786d2f89dfSmajd@mellanox.com 		err = query_raw_packet_qp_sq_state(dev, sq, &sq_state);
43796d2f89dfSmajd@mellanox.com 		if (err)
43806d2f89dfSmajd@mellanox.com 			return err;
43816d2f89dfSmajd@mellanox.com 	}
43826d2f89dfSmajd@mellanox.com 
43836d2f89dfSmajd@mellanox.com 	if (qp->rq.wqe_cnt) {
43846d2f89dfSmajd@mellanox.com 		err = query_raw_packet_qp_rq_state(dev, rq, &rq_state);
43856d2f89dfSmajd@mellanox.com 		if (err)
43866d2f89dfSmajd@mellanox.com 			return err;
43876d2f89dfSmajd@mellanox.com 	}
43886d2f89dfSmajd@mellanox.com 
43896d2f89dfSmajd@mellanox.com 	return sqrq_state_to_qp_state(sq_state, rq_state, qp,
43906d2f89dfSmajd@mellanox.com 				      raw_packet_qp_state);
43916d2f89dfSmajd@mellanox.com }
43926d2f89dfSmajd@mellanox.com 
43936d2f89dfSmajd@mellanox.com static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
43946d2f89dfSmajd@mellanox.com 			 struct ib_qp_attr *qp_attr)
43956d2f89dfSmajd@mellanox.com {
439609a7d9ecSSaeed Mahameed 	int outlen = MLX5_ST_SZ_BYTES(query_qp_out);
4397e126ba97SEli Cohen 	struct mlx5_qp_context *context;
4398e126ba97SEli Cohen 	int mlx5_state;
439909a7d9ecSSaeed Mahameed 	u32 *outb;
4400e126ba97SEli Cohen 	int err = 0;
4401e126ba97SEli Cohen 
440209a7d9ecSSaeed Mahameed 	outb = kzalloc(outlen, GFP_KERNEL);
44036d2f89dfSmajd@mellanox.com 	if (!outb)
44046d2f89dfSmajd@mellanox.com 		return -ENOMEM;
44056d2f89dfSmajd@mellanox.com 
440619098df2Smajd@mellanox.com 	err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb,
440709a7d9ecSSaeed Mahameed 				 outlen);
4408e126ba97SEli Cohen 	if (err)
44096d2f89dfSmajd@mellanox.com 		goto out;
4410e126ba97SEli Cohen 
441109a7d9ecSSaeed Mahameed 	/* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */
441209a7d9ecSSaeed Mahameed 	context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc);
441309a7d9ecSSaeed Mahameed 
4414e126ba97SEli Cohen 	mlx5_state = be32_to_cpu(context->flags) >> 28;
4415e126ba97SEli Cohen 
4416e126ba97SEli Cohen 	qp->state		     = to_ib_qp_state(mlx5_state);
4417e126ba97SEli Cohen 	qp_attr->path_mtu	     = context->mtu_msgmax >> 5;
4418e126ba97SEli Cohen 	qp_attr->path_mig_state	     =
4419e126ba97SEli Cohen 		to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
4420e126ba97SEli Cohen 	qp_attr->qkey		     = be32_to_cpu(context->qkey);
4421e126ba97SEli Cohen 	qp_attr->rq_psn		     = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff;
4422e126ba97SEli Cohen 	qp_attr->sq_psn		     = be32_to_cpu(context->next_send_psn) & 0xffffff;
4423e126ba97SEli Cohen 	qp_attr->dest_qp_num	     = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff;
4424e126ba97SEli Cohen 	qp_attr->qp_access_flags     =
4425e126ba97SEli Cohen 		to_ib_qp_access_flags(be32_to_cpu(context->params2));
4426e126ba97SEli Cohen 
4427e126ba97SEli Cohen 	if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) {
4428e126ba97SEli Cohen 		to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path);
4429e126ba97SEli Cohen 		to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path);
4430d3ae2bdeSNoa Osherovich 		qp_attr->alt_pkey_index =
4431d3ae2bdeSNoa Osherovich 			be16_to_cpu(context->alt_path.pkey_index);
4432e126ba97SEli Cohen 		qp_attr->alt_port_num	= qp_attr->alt_ah_attr.port_num;
4433e126ba97SEli Cohen 	}
4434e126ba97SEli Cohen 
4435d3ae2bdeSNoa Osherovich 	qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index);
4436e126ba97SEli Cohen 	qp_attr->port_num = context->pri_path.port;
4437e126ba97SEli Cohen 
4438e126ba97SEli Cohen 	/* qp_attr->en_sqd_async_notify is only applicable in modify qp */
4439e126ba97SEli Cohen 	qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING;
4440e126ba97SEli Cohen 
4441e126ba97SEli Cohen 	qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7);
4442e126ba97SEli Cohen 
4443e126ba97SEli Cohen 	qp_attr->max_dest_rd_atomic =
4444e126ba97SEli Cohen 		1 << ((be32_to_cpu(context->params2) >> 21) & 0x7);
4445e126ba97SEli Cohen 	qp_attr->min_rnr_timer	    =
4446e126ba97SEli Cohen 		(be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f;
4447e126ba97SEli Cohen 	qp_attr->timeout	    = context->pri_path.ackto_lt >> 3;
4448e126ba97SEli Cohen 	qp_attr->retry_cnt	    = (be32_to_cpu(context->params1) >> 16) & 0x7;
4449e126ba97SEli Cohen 	qp_attr->rnr_retry	    = (be32_to_cpu(context->params1) >> 13) & 0x7;
4450e126ba97SEli Cohen 	qp_attr->alt_timeout	    = context->alt_path.ackto_lt >> 3;
44516d2f89dfSmajd@mellanox.com 
44526d2f89dfSmajd@mellanox.com out:
44536d2f89dfSmajd@mellanox.com 	kfree(outb);
44546d2f89dfSmajd@mellanox.com 	return err;
44556d2f89dfSmajd@mellanox.com }
44566d2f89dfSmajd@mellanox.com 
44576d2f89dfSmajd@mellanox.com int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
44586d2f89dfSmajd@mellanox.com 		     int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
44596d2f89dfSmajd@mellanox.com {
44606d2f89dfSmajd@mellanox.com 	struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
44616d2f89dfSmajd@mellanox.com 	struct mlx5_ib_qp *qp = to_mqp(ibqp);
44626d2f89dfSmajd@mellanox.com 	int err = 0;
44636d2f89dfSmajd@mellanox.com 	u8 raw_packet_qp_state;
44646d2f89dfSmajd@mellanox.com 
446528d61370SYishai Hadas 	if (ibqp->rwq_ind_tbl)
446628d61370SYishai Hadas 		return -ENOSYS;
446728d61370SYishai Hadas 
4468d16e91daSHaggai Eran 	if (unlikely(ibqp->qp_type == IB_QPT_GSI))
4469d16e91daSHaggai Eran 		return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask,
4470d16e91daSHaggai Eran 					    qp_init_attr);
4471d16e91daSHaggai Eran 
44726d2f89dfSmajd@mellanox.com 	mutex_lock(&qp->mutex);
44736d2f89dfSmajd@mellanox.com 
44746d2f89dfSmajd@mellanox.com 	if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) {
44756d2f89dfSmajd@mellanox.com 		err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state);
44766d2f89dfSmajd@mellanox.com 		if (err)
44776d2f89dfSmajd@mellanox.com 			goto out;
44786d2f89dfSmajd@mellanox.com 		qp->state = raw_packet_qp_state;
44796d2f89dfSmajd@mellanox.com 		qp_attr->port_num = 1;
44806d2f89dfSmajd@mellanox.com 	} else {
44816d2f89dfSmajd@mellanox.com 		err = query_qp_attr(dev, qp, qp_attr);
44826d2f89dfSmajd@mellanox.com 		if (err)
44836d2f89dfSmajd@mellanox.com 			goto out;
44846d2f89dfSmajd@mellanox.com 	}
44856d2f89dfSmajd@mellanox.com 
44866d2f89dfSmajd@mellanox.com 	qp_attr->qp_state	     = qp->state;
4487e126ba97SEli Cohen 	qp_attr->cur_qp_state	     = qp_attr->qp_state;
4488e126ba97SEli Cohen 	qp_attr->cap.max_recv_wr     = qp->rq.wqe_cnt;
4489e126ba97SEli Cohen 	qp_attr->cap.max_recv_sge    = qp->rq.max_gs;
4490e126ba97SEli Cohen 
4491e126ba97SEli Cohen 	if (!ibqp->uobject) {
44920540d814SNoa Osherovich 		qp_attr->cap.max_send_wr  = qp->sq.max_post;
4493e126ba97SEli Cohen 		qp_attr->cap.max_send_sge = qp->sq.max_gs;
44940540d814SNoa Osherovich 		qp_init_attr->qp_context = ibqp->qp_context;
4495e126ba97SEli Cohen 	} else {
4496e126ba97SEli Cohen 		qp_attr->cap.max_send_wr  = 0;
4497e126ba97SEli Cohen 		qp_attr->cap.max_send_sge = 0;
4498e126ba97SEli Cohen 	}
4499e126ba97SEli Cohen 
45000540d814SNoa Osherovich 	qp_init_attr->qp_type = ibqp->qp_type;
45010540d814SNoa Osherovich 	qp_init_attr->recv_cq = ibqp->recv_cq;
45020540d814SNoa Osherovich 	qp_init_attr->send_cq = ibqp->send_cq;
45030540d814SNoa Osherovich 	qp_init_attr->srq = ibqp->srq;
45040540d814SNoa Osherovich 	qp_attr->cap.max_inline_data = qp->max_inline_data;
4505e126ba97SEli Cohen 
4506e126ba97SEli Cohen 	qp_init_attr->cap	     = qp_attr->cap;
4507e126ba97SEli Cohen 
4508e126ba97SEli Cohen 	qp_init_attr->create_flags = 0;
4509e126ba97SEli Cohen 	if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK)
4510e126ba97SEli Cohen 		qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK;
4511e126ba97SEli Cohen 
4512051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL)
4513051f2630SLeon Romanovsky 		qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL;
4514051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_MANAGED_SEND)
4515051f2630SLeon Romanovsky 		qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND;
4516051f2630SLeon Romanovsky 	if (qp->flags & MLX5_IB_QP_MANAGED_RECV)
4517051f2630SLeon Romanovsky 		qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV;
4518b11a4f9cSHaggai Eran 	if (qp->flags & MLX5_IB_QP_SQPN_QP1)
4519b11a4f9cSHaggai Eran 		qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1();
4520051f2630SLeon Romanovsky 
4521e126ba97SEli Cohen 	qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ?
4522e126ba97SEli Cohen 		IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
4523e126ba97SEli Cohen 
4524e126ba97SEli Cohen out:
4525e126ba97SEli Cohen 	mutex_unlock(&qp->mutex);
4526e126ba97SEli Cohen 	return err;
4527e126ba97SEli Cohen }
4528e126ba97SEli Cohen 
4529e126ba97SEli Cohen struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
4530e126ba97SEli Cohen 					  struct ib_ucontext *context,
4531e126ba97SEli Cohen 					  struct ib_udata *udata)
4532e126ba97SEli Cohen {
4533e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(ibdev);
4534e126ba97SEli Cohen 	struct mlx5_ib_xrcd *xrcd;
4535e126ba97SEli Cohen 	int err;
4536e126ba97SEli Cohen 
4537938fe83cSSaeed Mahameed 	if (!MLX5_CAP_GEN(dev->mdev, xrc))
4538e126ba97SEli Cohen 		return ERR_PTR(-ENOSYS);
4539e126ba97SEli Cohen 
4540e126ba97SEli Cohen 	xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL);
4541e126ba97SEli Cohen 	if (!xrcd)
4542e126ba97SEli Cohen 		return ERR_PTR(-ENOMEM);
4543e126ba97SEli Cohen 
45449603b61dSJack Morgenstein 	err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn);
4545e126ba97SEli Cohen 	if (err) {
4546e126ba97SEli Cohen 		kfree(xrcd);
4547e126ba97SEli Cohen 		return ERR_PTR(-ENOMEM);
4548e126ba97SEli Cohen 	}
4549e126ba97SEli Cohen 
4550e126ba97SEli Cohen 	return &xrcd->ibxrcd;
4551e126ba97SEli Cohen }
4552e126ba97SEli Cohen 
4553e126ba97SEli Cohen int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
4554e126ba97SEli Cohen {
4555e126ba97SEli Cohen 	struct mlx5_ib_dev *dev = to_mdev(xrcd->device);
4556e126ba97SEli Cohen 	u32 xrcdn = to_mxrcd(xrcd)->xrcdn;
4557e126ba97SEli Cohen 	int err;
4558e126ba97SEli Cohen 
45599603b61dSJack Morgenstein 	err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn);
4560e126ba97SEli Cohen 	if (err) {
4561e126ba97SEli Cohen 		mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn);
4562e126ba97SEli Cohen 		return err;
4563e126ba97SEli Cohen 	}
4564e126ba97SEli Cohen 
4565e126ba97SEli Cohen 	kfree(xrcd);
4566e126ba97SEli Cohen 
4567e126ba97SEli Cohen 	return 0;
4568e126ba97SEli Cohen }
456979b20a6cSYishai Hadas 
4570350d0e4cSYishai Hadas static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type)
4571350d0e4cSYishai Hadas {
4572350d0e4cSYishai Hadas 	struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp);
4573350d0e4cSYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device);
4574350d0e4cSYishai Hadas 	struct ib_event event;
4575350d0e4cSYishai Hadas 
4576350d0e4cSYishai Hadas 	if (rwq->ibwq.event_handler) {
4577350d0e4cSYishai Hadas 		event.device     = rwq->ibwq.device;
4578350d0e4cSYishai Hadas 		event.element.wq = &rwq->ibwq;
4579350d0e4cSYishai Hadas 		switch (type) {
4580350d0e4cSYishai Hadas 		case MLX5_EVENT_TYPE_WQ_CATAS_ERROR:
4581350d0e4cSYishai Hadas 			event.event = IB_EVENT_WQ_FATAL;
4582350d0e4cSYishai Hadas 			break;
4583350d0e4cSYishai Hadas 		default:
4584350d0e4cSYishai Hadas 			mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn);
4585350d0e4cSYishai Hadas 			return;
4586350d0e4cSYishai Hadas 		}
4587350d0e4cSYishai Hadas 
4588350d0e4cSYishai Hadas 		rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context);
4589350d0e4cSYishai Hadas 	}
4590350d0e4cSYishai Hadas }
4591350d0e4cSYishai Hadas 
459279b20a6cSYishai Hadas static int  create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd,
459379b20a6cSYishai Hadas 		      struct ib_wq_init_attr *init_attr)
459479b20a6cSYishai Hadas {
459579b20a6cSYishai Hadas 	struct mlx5_ib_dev *dev;
459679b20a6cSYishai Hadas 	__be64 *rq_pas0;
459779b20a6cSYishai Hadas 	void *in;
459879b20a6cSYishai Hadas 	void *rqc;
459979b20a6cSYishai Hadas 	void *wq;
460079b20a6cSYishai Hadas 	int inlen;
460179b20a6cSYishai Hadas 	int err;
460279b20a6cSYishai Hadas 
460379b20a6cSYishai Hadas 	dev = to_mdev(pd->device);
460479b20a6cSYishai Hadas 
460579b20a6cSYishai Hadas 	inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas;
460679b20a6cSYishai Hadas 	in = mlx5_vzalloc(inlen);
460779b20a6cSYishai Hadas 	if (!in)
460879b20a6cSYishai Hadas 		return -ENOMEM;
460979b20a6cSYishai Hadas 
461079b20a6cSYishai Hadas 	rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
461179b20a6cSYishai Hadas 	MLX5_SET(rqc,  rqc, mem_rq_type,
461279b20a6cSYishai Hadas 		 MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE);
461379b20a6cSYishai Hadas 	MLX5_SET(rqc, rqc, user_index, rwq->user_index);
461479b20a6cSYishai Hadas 	MLX5_SET(rqc,  rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn);
461579b20a6cSYishai Hadas 	MLX5_SET(rqc,  rqc, state, MLX5_RQC_STATE_RST);
461679b20a6cSYishai Hadas 	MLX5_SET(rqc,  rqc, flush_in_error_en, 1);
461779b20a6cSYishai Hadas 	wq = MLX5_ADDR_OF(rqc, rqc, wq);
461879b20a6cSYishai Hadas 	MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
461979b20a6cSYishai Hadas 	MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN);
462079b20a6cSYishai Hadas 	MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride);
462179b20a6cSYishai Hadas 	MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size);
462279b20a6cSYishai Hadas 	MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn);
462379b20a6cSYishai Hadas 	MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset);
462479b20a6cSYishai Hadas 	MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size);
462579b20a6cSYishai Hadas 	MLX5_SET(wq, wq, wq_signature, rwq->wq_sig);
462679b20a6cSYishai Hadas 	MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma);
4627b1f74a84SNoa Osherovich 	if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) {
4628b1f74a84SNoa Osherovich 		if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) &&
4629b1f74a84SNoa Osherovich 		      MLX5_CAP_ETH(dev->mdev, vlan_cap))) {
4630b1f74a84SNoa Osherovich 			mlx5_ib_dbg(dev, "VLAN offloads are not supported\n");
4631b1f74a84SNoa Osherovich 			err = -EOPNOTSUPP;
4632b1f74a84SNoa Osherovich 			goto out;
4633b1f74a84SNoa Osherovich 		}
4634b1f74a84SNoa Osherovich 	} else {
4635b1f74a84SNoa Osherovich 		MLX5_SET(rqc, rqc, vsd, 1);
4636b1f74a84SNoa Osherovich 	}
463779b20a6cSYishai Hadas 	rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
463879b20a6cSYishai Hadas 	mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0);
4639350d0e4cSYishai Hadas 	err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp);
4640b1f74a84SNoa Osherovich out:
464179b20a6cSYishai Hadas 	kvfree(in);
464279b20a6cSYishai Hadas 	return err;
464379b20a6cSYishai Hadas }
464479b20a6cSYishai Hadas 
464579b20a6cSYishai Hadas static int set_user_rq_size(struct mlx5_ib_dev *dev,
464679b20a6cSYishai Hadas 			    struct ib_wq_init_attr *wq_init_attr,
464779b20a6cSYishai Hadas 			    struct mlx5_ib_create_wq *ucmd,
464879b20a6cSYishai Hadas 			    struct mlx5_ib_rwq *rwq)
464979b20a6cSYishai Hadas {
465079b20a6cSYishai Hadas 	/* Sanity check RQ size before proceeding */
465179b20a6cSYishai Hadas 	if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz)))
465279b20a6cSYishai Hadas 		return -EINVAL;
465379b20a6cSYishai Hadas 
465479b20a6cSYishai Hadas 	if (!ucmd->rq_wqe_count)
465579b20a6cSYishai Hadas 		return -EINVAL;
465679b20a6cSYishai Hadas 
465779b20a6cSYishai Hadas 	rwq->wqe_count = ucmd->rq_wqe_count;
465879b20a6cSYishai Hadas 	rwq->wqe_shift = ucmd->rq_wqe_shift;
465979b20a6cSYishai Hadas 	rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift);
466079b20a6cSYishai Hadas 	rwq->log_rq_stride = rwq->wqe_shift;
466179b20a6cSYishai Hadas 	rwq->log_rq_size = ilog2(rwq->wqe_count);
466279b20a6cSYishai Hadas 	return 0;
466379b20a6cSYishai Hadas }
466479b20a6cSYishai Hadas 
466579b20a6cSYishai Hadas static int prepare_user_rq(struct ib_pd *pd,
466679b20a6cSYishai Hadas 			   struct ib_wq_init_attr *init_attr,
466779b20a6cSYishai Hadas 			   struct ib_udata *udata,
466879b20a6cSYishai Hadas 			   struct mlx5_ib_rwq *rwq)
466979b20a6cSYishai Hadas {
467079b20a6cSYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(pd->device);
467179b20a6cSYishai Hadas 	struct mlx5_ib_create_wq ucmd = {};
467279b20a6cSYishai Hadas 	int err;
467379b20a6cSYishai Hadas 	size_t required_cmd_sz;
467479b20a6cSYishai Hadas 
467579b20a6cSYishai Hadas 	required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved);
467679b20a6cSYishai Hadas 	if (udata->inlen < required_cmd_sz) {
467779b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "invalid inlen\n");
467879b20a6cSYishai Hadas 		return -EINVAL;
467979b20a6cSYishai Hadas 	}
468079b20a6cSYishai Hadas 
468179b20a6cSYishai Hadas 	if (udata->inlen > sizeof(ucmd) &&
468279b20a6cSYishai Hadas 	    !ib_is_udata_cleared(udata, sizeof(ucmd),
468379b20a6cSYishai Hadas 				 udata->inlen - sizeof(ucmd))) {
468479b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "inlen is not supported\n");
468579b20a6cSYishai Hadas 		return -EOPNOTSUPP;
468679b20a6cSYishai Hadas 	}
468779b20a6cSYishai Hadas 
468879b20a6cSYishai Hadas 	if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) {
468979b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "copy failed\n");
469079b20a6cSYishai Hadas 		return -EFAULT;
469179b20a6cSYishai Hadas 	}
469279b20a6cSYishai Hadas 
469379b20a6cSYishai Hadas 	if (ucmd.comp_mask) {
469479b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "invalid comp mask\n");
469579b20a6cSYishai Hadas 		return -EOPNOTSUPP;
469679b20a6cSYishai Hadas 	}
469779b20a6cSYishai Hadas 
469879b20a6cSYishai Hadas 	if (ucmd.reserved) {
469979b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "invalid reserved\n");
470079b20a6cSYishai Hadas 		return -EOPNOTSUPP;
470179b20a6cSYishai Hadas 	}
470279b20a6cSYishai Hadas 
470379b20a6cSYishai Hadas 	err = set_user_rq_size(dev, init_attr, &ucmd, rwq);
470479b20a6cSYishai Hadas 	if (err) {
470579b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "err %d\n", err);
470679b20a6cSYishai Hadas 		return err;
470779b20a6cSYishai Hadas 	}
470879b20a6cSYishai Hadas 
470979b20a6cSYishai Hadas 	err = create_user_rq(dev, pd, rwq, &ucmd);
471079b20a6cSYishai Hadas 	if (err) {
471179b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "err %d\n", err);
471279b20a6cSYishai Hadas 		if (err)
471379b20a6cSYishai Hadas 			return err;
471479b20a6cSYishai Hadas 	}
471579b20a6cSYishai Hadas 
471679b20a6cSYishai Hadas 	rwq->user_index = ucmd.user_index;
471779b20a6cSYishai Hadas 	return 0;
471879b20a6cSYishai Hadas }
471979b20a6cSYishai Hadas 
472079b20a6cSYishai Hadas struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
472179b20a6cSYishai Hadas 				struct ib_wq_init_attr *init_attr,
472279b20a6cSYishai Hadas 				struct ib_udata *udata)
472379b20a6cSYishai Hadas {
472479b20a6cSYishai Hadas 	struct mlx5_ib_dev *dev;
472579b20a6cSYishai Hadas 	struct mlx5_ib_rwq *rwq;
472679b20a6cSYishai Hadas 	struct mlx5_ib_create_wq_resp resp = {};
472779b20a6cSYishai Hadas 	size_t min_resp_len;
472879b20a6cSYishai Hadas 	int err;
472979b20a6cSYishai Hadas 
473079b20a6cSYishai Hadas 	if (!udata)
473179b20a6cSYishai Hadas 		return ERR_PTR(-ENOSYS);
473279b20a6cSYishai Hadas 
473379b20a6cSYishai Hadas 	min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved);
473479b20a6cSYishai Hadas 	if (udata->outlen && udata->outlen < min_resp_len)
473579b20a6cSYishai Hadas 		return ERR_PTR(-EINVAL);
473679b20a6cSYishai Hadas 
473779b20a6cSYishai Hadas 	dev = to_mdev(pd->device);
473879b20a6cSYishai Hadas 	switch (init_attr->wq_type) {
473979b20a6cSYishai Hadas 	case IB_WQT_RQ:
474079b20a6cSYishai Hadas 		rwq = kzalloc(sizeof(*rwq), GFP_KERNEL);
474179b20a6cSYishai Hadas 		if (!rwq)
474279b20a6cSYishai Hadas 			return ERR_PTR(-ENOMEM);
474379b20a6cSYishai Hadas 		err = prepare_user_rq(pd, init_attr, udata, rwq);
474479b20a6cSYishai Hadas 		if (err)
474579b20a6cSYishai Hadas 			goto err;
474679b20a6cSYishai Hadas 		err = create_rq(rwq, pd, init_attr);
474779b20a6cSYishai Hadas 		if (err)
474879b20a6cSYishai Hadas 			goto err_user_rq;
474979b20a6cSYishai Hadas 		break;
475079b20a6cSYishai Hadas 	default:
475179b20a6cSYishai Hadas 		mlx5_ib_dbg(dev, "unsupported wq type %d\n",
475279b20a6cSYishai Hadas 			    init_attr->wq_type);
475379b20a6cSYishai Hadas 		return ERR_PTR(-EINVAL);
475479b20a6cSYishai Hadas 	}
475579b20a6cSYishai Hadas 
4756350d0e4cSYishai Hadas 	rwq->ibwq.wq_num = rwq->core_qp.qpn;
475779b20a6cSYishai Hadas 	rwq->ibwq.state = IB_WQS_RESET;
475879b20a6cSYishai Hadas 	if (udata->outlen) {
475979b20a6cSYishai Hadas 		resp.response_length = offsetof(typeof(resp), response_length) +
476079b20a6cSYishai Hadas 				sizeof(resp.response_length);
476179b20a6cSYishai Hadas 		err = ib_copy_to_udata(udata, &resp, resp.response_length);
476279b20a6cSYishai Hadas 		if (err)
476379b20a6cSYishai Hadas 			goto err_copy;
476479b20a6cSYishai Hadas 	}
476579b20a6cSYishai Hadas 
4766350d0e4cSYishai Hadas 	rwq->core_qp.event = mlx5_ib_wq_event;
4767350d0e4cSYishai Hadas 	rwq->ibwq.event_handler = init_attr->event_handler;
476879b20a6cSYishai Hadas 	return &rwq->ibwq;
476979b20a6cSYishai Hadas 
477079b20a6cSYishai Hadas err_copy:
4771350d0e4cSYishai Hadas 	mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
477279b20a6cSYishai Hadas err_user_rq:
477379b20a6cSYishai Hadas 	destroy_user_rq(pd, rwq);
477479b20a6cSYishai Hadas err:
477579b20a6cSYishai Hadas 	kfree(rwq);
477679b20a6cSYishai Hadas 	return ERR_PTR(err);
477779b20a6cSYishai Hadas }
477879b20a6cSYishai Hadas 
477979b20a6cSYishai Hadas int mlx5_ib_destroy_wq(struct ib_wq *wq)
478079b20a6cSYishai Hadas {
478179b20a6cSYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(wq->device);
478279b20a6cSYishai Hadas 	struct mlx5_ib_rwq *rwq = to_mrwq(wq);
478379b20a6cSYishai Hadas 
4784350d0e4cSYishai Hadas 	mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
478579b20a6cSYishai Hadas 	destroy_user_rq(wq->pd, rwq);
478679b20a6cSYishai Hadas 	kfree(rwq);
478779b20a6cSYishai Hadas 
478879b20a6cSYishai Hadas 	return 0;
478979b20a6cSYishai Hadas }
479079b20a6cSYishai Hadas 
4791c5f90929SYishai Hadas struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
4792c5f90929SYishai Hadas 						      struct ib_rwq_ind_table_init_attr *init_attr,
4793c5f90929SYishai Hadas 						      struct ib_udata *udata)
4794c5f90929SYishai Hadas {
4795c5f90929SYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(device);
4796c5f90929SYishai Hadas 	struct mlx5_ib_rwq_ind_table *rwq_ind_tbl;
4797c5f90929SYishai Hadas 	int sz = 1 << init_attr->log_ind_tbl_size;
4798c5f90929SYishai Hadas 	struct mlx5_ib_create_rwq_ind_tbl_resp resp = {};
4799c5f90929SYishai Hadas 	size_t min_resp_len;
4800c5f90929SYishai Hadas 	int inlen;
4801c5f90929SYishai Hadas 	int err;
4802c5f90929SYishai Hadas 	int i;
4803c5f90929SYishai Hadas 	u32 *in;
4804c5f90929SYishai Hadas 	void *rqtc;
4805c5f90929SYishai Hadas 
4806c5f90929SYishai Hadas 	if (udata->inlen > 0 &&
4807c5f90929SYishai Hadas 	    !ib_is_udata_cleared(udata, 0,
4808c5f90929SYishai Hadas 				 udata->inlen))
4809c5f90929SYishai Hadas 		return ERR_PTR(-EOPNOTSUPP);
4810c5f90929SYishai Hadas 
4811efd7f400SMaor Gottlieb 	if (init_attr->log_ind_tbl_size >
4812efd7f400SMaor Gottlieb 	    MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) {
4813efd7f400SMaor Gottlieb 		mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n",
4814efd7f400SMaor Gottlieb 			    init_attr->log_ind_tbl_size,
4815efd7f400SMaor Gottlieb 			    MLX5_CAP_GEN(dev->mdev, log_max_rqt_size));
4816efd7f400SMaor Gottlieb 		return ERR_PTR(-EINVAL);
4817efd7f400SMaor Gottlieb 	}
4818efd7f400SMaor Gottlieb 
4819c5f90929SYishai Hadas 	min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved);
4820c5f90929SYishai Hadas 	if (udata->outlen && udata->outlen < min_resp_len)
4821c5f90929SYishai Hadas 		return ERR_PTR(-EINVAL);
4822c5f90929SYishai Hadas 
4823c5f90929SYishai Hadas 	rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL);
4824c5f90929SYishai Hadas 	if (!rwq_ind_tbl)
4825c5f90929SYishai Hadas 		return ERR_PTR(-ENOMEM);
4826c5f90929SYishai Hadas 
4827c5f90929SYishai Hadas 	inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz;
4828c5f90929SYishai Hadas 	in = mlx5_vzalloc(inlen);
4829c5f90929SYishai Hadas 	if (!in) {
4830c5f90929SYishai Hadas 		err = -ENOMEM;
4831c5f90929SYishai Hadas 		goto err;
4832c5f90929SYishai Hadas 	}
4833c5f90929SYishai Hadas 
4834c5f90929SYishai Hadas 	rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
4835c5f90929SYishai Hadas 
4836c5f90929SYishai Hadas 	MLX5_SET(rqtc, rqtc, rqt_actual_size, sz);
4837c5f90929SYishai Hadas 	MLX5_SET(rqtc, rqtc, rqt_max_size, sz);
4838c5f90929SYishai Hadas 
4839c5f90929SYishai Hadas 	for (i = 0; i < sz; i++)
4840c5f90929SYishai Hadas 		MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num);
4841c5f90929SYishai Hadas 
4842c5f90929SYishai Hadas 	err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn);
4843c5f90929SYishai Hadas 	kvfree(in);
4844c5f90929SYishai Hadas 
4845c5f90929SYishai Hadas 	if (err)
4846c5f90929SYishai Hadas 		goto err;
4847c5f90929SYishai Hadas 
4848c5f90929SYishai Hadas 	rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn;
4849c5f90929SYishai Hadas 	if (udata->outlen) {
4850c5f90929SYishai Hadas 		resp.response_length = offsetof(typeof(resp), response_length) +
4851c5f90929SYishai Hadas 					sizeof(resp.response_length);
4852c5f90929SYishai Hadas 		err = ib_copy_to_udata(udata, &resp, resp.response_length);
4853c5f90929SYishai Hadas 		if (err)
4854c5f90929SYishai Hadas 			goto err_copy;
4855c5f90929SYishai Hadas 	}
4856c5f90929SYishai Hadas 
4857c5f90929SYishai Hadas 	return &rwq_ind_tbl->ib_rwq_ind_tbl;
4858c5f90929SYishai Hadas 
4859c5f90929SYishai Hadas err_copy:
4860c5f90929SYishai Hadas 	mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn);
4861c5f90929SYishai Hadas err:
4862c5f90929SYishai Hadas 	kfree(rwq_ind_tbl);
4863c5f90929SYishai Hadas 	return ERR_PTR(err);
4864c5f90929SYishai Hadas }
4865c5f90929SYishai Hadas 
4866c5f90929SYishai Hadas int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl)
4867c5f90929SYishai Hadas {
4868c5f90929SYishai Hadas 	struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl);
4869c5f90929SYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device);
4870c5f90929SYishai Hadas 
4871c5f90929SYishai Hadas 	mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn);
4872c5f90929SYishai Hadas 
4873c5f90929SYishai Hadas 	kfree(rwq_ind_tbl);
4874c5f90929SYishai Hadas 	return 0;
4875c5f90929SYishai Hadas }
4876c5f90929SYishai Hadas 
487779b20a6cSYishai Hadas int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
487879b20a6cSYishai Hadas 		      u32 wq_attr_mask, struct ib_udata *udata)
487979b20a6cSYishai Hadas {
488079b20a6cSYishai Hadas 	struct mlx5_ib_dev *dev = to_mdev(wq->device);
488179b20a6cSYishai Hadas 	struct mlx5_ib_rwq *rwq = to_mrwq(wq);
488279b20a6cSYishai Hadas 	struct mlx5_ib_modify_wq ucmd = {};
488379b20a6cSYishai Hadas 	size_t required_cmd_sz;
488479b20a6cSYishai Hadas 	int curr_wq_state;
488579b20a6cSYishai Hadas 	int wq_state;
488679b20a6cSYishai Hadas 	int inlen;
488779b20a6cSYishai Hadas 	int err;
488879b20a6cSYishai Hadas 	void *rqc;
488979b20a6cSYishai Hadas 	void *in;
489079b20a6cSYishai Hadas 
489179b20a6cSYishai Hadas 	required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved);
489279b20a6cSYishai Hadas 	if (udata->inlen < required_cmd_sz)
489379b20a6cSYishai Hadas 		return -EINVAL;
489479b20a6cSYishai Hadas 
489579b20a6cSYishai Hadas 	if (udata->inlen > sizeof(ucmd) &&
489679b20a6cSYishai Hadas 	    !ib_is_udata_cleared(udata, sizeof(ucmd),
489779b20a6cSYishai Hadas 				 udata->inlen - sizeof(ucmd)))
489879b20a6cSYishai Hadas 		return -EOPNOTSUPP;
489979b20a6cSYishai Hadas 
490079b20a6cSYishai Hadas 	if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen)))
490179b20a6cSYishai Hadas 		return -EFAULT;
490279b20a6cSYishai Hadas 
490379b20a6cSYishai Hadas 	if (ucmd.comp_mask || ucmd.reserved)
490479b20a6cSYishai Hadas 		return -EOPNOTSUPP;
490579b20a6cSYishai Hadas 
490679b20a6cSYishai Hadas 	inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
490779b20a6cSYishai Hadas 	in = mlx5_vzalloc(inlen);
490879b20a6cSYishai Hadas 	if (!in)
490979b20a6cSYishai Hadas 		return -ENOMEM;
491079b20a6cSYishai Hadas 
491179b20a6cSYishai Hadas 	rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
491279b20a6cSYishai Hadas 
491379b20a6cSYishai Hadas 	curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ?
491479b20a6cSYishai Hadas 		wq_attr->curr_wq_state : wq->state;
491579b20a6cSYishai Hadas 	wq_state = (wq_attr_mask & IB_WQ_STATE) ?
491679b20a6cSYishai Hadas 		wq_attr->wq_state : curr_wq_state;
491779b20a6cSYishai Hadas 	if (curr_wq_state == IB_WQS_ERR)
491879b20a6cSYishai Hadas 		curr_wq_state = MLX5_RQC_STATE_ERR;
491979b20a6cSYishai Hadas 	if (wq_state == IB_WQS_ERR)
492079b20a6cSYishai Hadas 		wq_state = MLX5_RQC_STATE_ERR;
492179b20a6cSYishai Hadas 	MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state);
492279b20a6cSYishai Hadas 	MLX5_SET(rqc, rqc, state, wq_state);
492379b20a6cSYishai Hadas 
4924b1f74a84SNoa Osherovich 	if (wq_attr_mask & IB_WQ_FLAGS) {
4925b1f74a84SNoa Osherovich 		if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) {
4926b1f74a84SNoa Osherovich 			if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) &&
4927b1f74a84SNoa Osherovich 			      MLX5_CAP_ETH(dev->mdev, vlan_cap))) {
4928b1f74a84SNoa Osherovich 				mlx5_ib_dbg(dev, "VLAN offloads are not "
4929b1f74a84SNoa Osherovich 					    "supported\n");
4930b1f74a84SNoa Osherovich 				err = -EOPNOTSUPP;
4931b1f74a84SNoa Osherovich 				goto out;
4932b1f74a84SNoa Osherovich 			}
4933b1f74a84SNoa Osherovich 			MLX5_SET64(modify_rq_in, in, modify_bitmask,
4934b1f74a84SNoa Osherovich 				   MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD);
4935b1f74a84SNoa Osherovich 			MLX5_SET(rqc, rqc, vsd,
4936b1f74a84SNoa Osherovich 				 (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1);
4937b1f74a84SNoa Osherovich 		}
4938b1f74a84SNoa Osherovich 	}
4939b1f74a84SNoa Osherovich 
494023a6964eSMajd Dibbiny 	if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) {
494123a6964eSMajd Dibbiny 		if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) {
494223a6964eSMajd Dibbiny 			MLX5_SET64(modify_rq_in, in, modify_bitmask,
494323a6964eSMajd Dibbiny 				   MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID);
494423a6964eSMajd Dibbiny 			MLX5_SET(rqc, rqc, counter_set_id, dev->port->q_cnts.set_id);
494523a6964eSMajd Dibbiny 		} else
494623a6964eSMajd Dibbiny 			pr_info_once("%s: Receive WQ counters are not supported on current FW\n",
494723a6964eSMajd Dibbiny 				     dev->ib_dev.name);
494823a6964eSMajd Dibbiny 	}
494923a6964eSMajd Dibbiny 
4950350d0e4cSYishai Hadas 	err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen);
495179b20a6cSYishai Hadas 	if (!err)
495279b20a6cSYishai Hadas 		rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state;
495379b20a6cSYishai Hadas 
4954b1f74a84SNoa Osherovich out:
4955b1f74a84SNoa Osherovich 	kvfree(in);
495679b20a6cSYishai Hadas 	return err;
495779b20a6cSYishai Hadas }
4958