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e126ba97 | 1 | /* |
6cf0a15f | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/module.h> | |
34 | #include <rdma/ib_umem.h> | |
2811ba51 | 35 | #include <rdma/ib_cache.h> |
cfb5e088 | 36 | #include <rdma/ib_user_verbs.h> |
e126ba97 | 37 | #include "mlx5_ib.h" |
e126ba97 EC |
38 | |
39 | /* not supported currently */ | |
40 | static int wq_signature; | |
41 | ||
42 | enum { | |
43 | MLX5_IB_ACK_REQ_FREQ = 8, | |
44 | }; | |
45 | ||
46 | enum { | |
47 | MLX5_IB_DEFAULT_SCHED_QUEUE = 0x83, | |
48 | MLX5_IB_DEFAULT_QP0_SCHED_QUEUE = 0x3f, | |
49 | MLX5_IB_LINK_TYPE_IB = 0, | |
50 | MLX5_IB_LINK_TYPE_ETH = 1 | |
51 | }; | |
52 | ||
53 | enum { | |
54 | MLX5_IB_SQ_STRIDE = 6, | |
e126ba97 EC |
55 | }; |
56 | ||
57 | static const u32 mlx5_ib_opcode[] = { | |
58 | [IB_WR_SEND] = MLX5_OPCODE_SEND, | |
f0313965 | 59 | [IB_WR_LSO] = MLX5_OPCODE_LSO, |
e126ba97 EC |
60 | [IB_WR_SEND_WITH_IMM] = MLX5_OPCODE_SEND_IMM, |
61 | [IB_WR_RDMA_WRITE] = MLX5_OPCODE_RDMA_WRITE, | |
62 | [IB_WR_RDMA_WRITE_WITH_IMM] = MLX5_OPCODE_RDMA_WRITE_IMM, | |
63 | [IB_WR_RDMA_READ] = MLX5_OPCODE_RDMA_READ, | |
64 | [IB_WR_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_CS, | |
65 | [IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA, | |
66 | [IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL, | |
67 | [IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR, | |
8a187ee5 | 68 | [IB_WR_REG_MR] = MLX5_OPCODE_UMR, |
e126ba97 EC |
69 | [IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS, |
70 | [IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA, | |
71 | [MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR, | |
72 | }; | |
73 | ||
f0313965 ES |
74 | struct mlx5_wqe_eth_pad { |
75 | u8 rsvd0[16]; | |
76 | }; | |
e126ba97 | 77 | |
eb49ab0c AV |
78 | enum raw_qp_set_mask_map { |
79 | MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0, | |
7d29f349 | 80 | MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, |
eb49ab0c AV |
81 | }; |
82 | ||
0680efa2 AV |
83 | struct mlx5_modify_raw_qp_param { |
84 | u16 operation; | |
eb49ab0c AV |
85 | |
86 | u32 set_mask; /* raw_qp_set_mask_map */ | |
7d29f349 | 87 | u32 rate_limit; |
eb49ab0c | 88 | u8 rq_q_ctr_id; |
0680efa2 AV |
89 | }; |
90 | ||
89ea94a7 MG |
91 | static void get_cqs(enum ib_qp_type qp_type, |
92 | struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, | |
93 | struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq); | |
94 | ||
e126ba97 EC |
95 | static int is_qp0(enum ib_qp_type qp_type) |
96 | { | |
97 | return qp_type == IB_QPT_SMI; | |
98 | } | |
99 | ||
e126ba97 EC |
100 | static int is_sqp(enum ib_qp_type qp_type) |
101 | { | |
102 | return is_qp0(qp_type) || is_qp1(qp_type); | |
103 | } | |
104 | ||
105 | static void *get_wqe(struct mlx5_ib_qp *qp, int offset) | |
106 | { | |
107 | return mlx5_buf_offset(&qp->buf, offset); | |
108 | } | |
109 | ||
110 | static void *get_recv_wqe(struct mlx5_ib_qp *qp, int n) | |
111 | { | |
112 | return get_wqe(qp, qp->rq.offset + (n << qp->rq.wqe_shift)); | |
113 | } | |
114 | ||
115 | void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n) | |
116 | { | |
117 | return get_wqe(qp, qp->sq.offset + (n << MLX5_IB_SQ_STRIDE)); | |
118 | } | |
119 | ||
c1395a2a HE |
120 | /** |
121 | * mlx5_ib_read_user_wqe() - Copy a user-space WQE to kernel space. | |
122 | * | |
123 | * @qp: QP to copy from. | |
124 | * @send: copy from the send queue when non-zero, use the receive queue | |
125 | * otherwise. | |
126 | * @wqe_index: index to start copying from. For send work queues, the | |
127 | * wqe_index is in units of MLX5_SEND_WQE_BB. | |
128 | * For receive work queue, it is the number of work queue | |
129 | * element in the queue. | |
130 | * @buffer: destination buffer. | |
131 | * @length: maximum number of bytes to copy. | |
132 | * | |
133 | * Copies at least a single WQE, but may copy more data. | |
134 | * | |
135 | * Return: the number of bytes copied, or an error code. | |
136 | */ | |
137 | int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, | |
19098df2 | 138 | void *buffer, u32 length, |
139 | struct mlx5_ib_qp_base *base) | |
c1395a2a HE |
140 | { |
141 | struct ib_device *ibdev = qp->ibqp.device; | |
142 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
143 | struct mlx5_ib_wq *wq = send ? &qp->sq : &qp->rq; | |
144 | size_t offset; | |
145 | size_t wq_end; | |
19098df2 | 146 | struct ib_umem *umem = base->ubuffer.umem; |
c1395a2a HE |
147 | u32 first_copy_length; |
148 | int wqe_length; | |
149 | int ret; | |
150 | ||
151 | if (wq->wqe_cnt == 0) { | |
152 | mlx5_ib_dbg(dev, "mlx5_ib_read_user_wqe for a QP with wqe_cnt == 0. qp_type: 0x%x\n", | |
153 | qp->ibqp.qp_type); | |
154 | return -EINVAL; | |
155 | } | |
156 | ||
157 | offset = wq->offset + ((wqe_index % wq->wqe_cnt) << wq->wqe_shift); | |
158 | wq_end = wq->offset + (wq->wqe_cnt << wq->wqe_shift); | |
159 | ||
160 | if (send && length < sizeof(struct mlx5_wqe_ctrl_seg)) | |
161 | return -EINVAL; | |
162 | ||
163 | if (offset > umem->length || | |
164 | (send && offset + sizeof(struct mlx5_wqe_ctrl_seg) > umem->length)) | |
165 | return -EINVAL; | |
166 | ||
167 | first_copy_length = min_t(u32, offset + length, wq_end) - offset; | |
168 | ret = ib_umem_copy_from(buffer, umem, offset, first_copy_length); | |
169 | if (ret) | |
170 | return ret; | |
171 | ||
172 | if (send) { | |
173 | struct mlx5_wqe_ctrl_seg *ctrl = buffer; | |
174 | int ds = be32_to_cpu(ctrl->qpn_ds) & MLX5_WQE_CTRL_DS_MASK; | |
175 | ||
176 | wqe_length = ds * MLX5_WQE_DS_UNITS; | |
177 | } else { | |
178 | wqe_length = 1 << wq->wqe_shift; | |
179 | } | |
180 | ||
181 | if (wqe_length <= first_copy_length) | |
182 | return first_copy_length; | |
183 | ||
184 | ret = ib_umem_copy_from(buffer + first_copy_length, umem, wq->offset, | |
185 | wqe_length - first_copy_length); | |
186 | if (ret) | |
187 | return ret; | |
188 | ||
189 | return wqe_length; | |
190 | } | |
191 | ||
e126ba97 EC |
192 | static void mlx5_ib_qp_event(struct mlx5_core_qp *qp, int type) |
193 | { | |
194 | struct ib_qp *ibqp = &to_mibqp(qp)->ibqp; | |
195 | struct ib_event event; | |
196 | ||
19098df2 | 197 | if (type == MLX5_EVENT_TYPE_PATH_MIG) { |
198 | /* This event is only valid for trans_qps */ | |
199 | to_mibqp(qp)->port = to_mibqp(qp)->trans_qp.alt_port; | |
200 | } | |
e126ba97 EC |
201 | |
202 | if (ibqp->event_handler) { | |
203 | event.device = ibqp->device; | |
204 | event.element.qp = ibqp; | |
205 | switch (type) { | |
206 | case MLX5_EVENT_TYPE_PATH_MIG: | |
207 | event.event = IB_EVENT_PATH_MIG; | |
208 | break; | |
209 | case MLX5_EVENT_TYPE_COMM_EST: | |
210 | event.event = IB_EVENT_COMM_EST; | |
211 | break; | |
212 | case MLX5_EVENT_TYPE_SQ_DRAINED: | |
213 | event.event = IB_EVENT_SQ_DRAINED; | |
214 | break; | |
215 | case MLX5_EVENT_TYPE_SRQ_LAST_WQE: | |
216 | event.event = IB_EVENT_QP_LAST_WQE_REACHED; | |
217 | break; | |
218 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: | |
219 | event.event = IB_EVENT_QP_FATAL; | |
220 | break; | |
221 | case MLX5_EVENT_TYPE_PATH_MIG_FAILED: | |
222 | event.event = IB_EVENT_PATH_MIG_ERR; | |
223 | break; | |
224 | case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: | |
225 | event.event = IB_EVENT_QP_REQ_ERR; | |
226 | break; | |
227 | case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: | |
228 | event.event = IB_EVENT_QP_ACCESS_ERR; | |
229 | break; | |
230 | default: | |
231 | pr_warn("mlx5_ib: Unexpected event type %d on QP %06x\n", type, qp->qpn); | |
232 | return; | |
233 | } | |
234 | ||
235 | ibqp->event_handler(&event, ibqp->qp_context); | |
236 | } | |
237 | } | |
238 | ||
239 | static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, | |
240 | int has_rq, struct mlx5_ib_qp *qp, struct mlx5_ib_create_qp *ucmd) | |
241 | { | |
242 | int wqe_size; | |
243 | int wq_size; | |
244 | ||
245 | /* Sanity check RQ size before proceeding */ | |
938fe83c | 246 | if (cap->max_recv_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) |
e126ba97 EC |
247 | return -EINVAL; |
248 | ||
249 | if (!has_rq) { | |
250 | qp->rq.max_gs = 0; | |
251 | qp->rq.wqe_cnt = 0; | |
252 | qp->rq.wqe_shift = 0; | |
0540d814 NO |
253 | cap->max_recv_wr = 0; |
254 | cap->max_recv_sge = 0; | |
e126ba97 EC |
255 | } else { |
256 | if (ucmd) { | |
257 | qp->rq.wqe_cnt = ucmd->rq_wqe_count; | |
258 | qp->rq.wqe_shift = ucmd->rq_wqe_shift; | |
259 | qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; | |
260 | qp->rq.max_post = qp->rq.wqe_cnt; | |
261 | } else { | |
262 | wqe_size = qp->wq_sig ? sizeof(struct mlx5_wqe_signature_seg) : 0; | |
263 | wqe_size += cap->max_recv_sge * sizeof(struct mlx5_wqe_data_seg); | |
264 | wqe_size = roundup_pow_of_two(wqe_size); | |
265 | wq_size = roundup_pow_of_two(cap->max_recv_wr) * wqe_size; | |
266 | wq_size = max_t(int, wq_size, MLX5_SEND_WQE_BB); | |
267 | qp->rq.wqe_cnt = wq_size / wqe_size; | |
938fe83c | 268 | if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq)) { |
e126ba97 EC |
269 | mlx5_ib_dbg(dev, "wqe_size %d, max %d\n", |
270 | wqe_size, | |
938fe83c SM |
271 | MLX5_CAP_GEN(dev->mdev, |
272 | max_wqe_sz_rq)); | |
e126ba97 EC |
273 | return -EINVAL; |
274 | } | |
275 | qp->rq.wqe_shift = ilog2(wqe_size); | |
276 | qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig; | |
277 | qp->rq.max_post = qp->rq.wqe_cnt; | |
278 | } | |
279 | } | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
f0313965 | 284 | static int sq_overhead(struct ib_qp_init_attr *attr) |
e126ba97 | 285 | { |
618af384 | 286 | int size = 0; |
e126ba97 | 287 | |
f0313965 | 288 | switch (attr->qp_type) { |
e126ba97 | 289 | case IB_QPT_XRC_INI: |
b125a54b | 290 | size += sizeof(struct mlx5_wqe_xrc_seg); |
e126ba97 EC |
291 | /* fall through */ |
292 | case IB_QPT_RC: | |
293 | size += sizeof(struct mlx5_wqe_ctrl_seg) + | |
75c1657e LR |
294 | max(sizeof(struct mlx5_wqe_atomic_seg) + |
295 | sizeof(struct mlx5_wqe_raddr_seg), | |
296 | sizeof(struct mlx5_wqe_umr_ctrl_seg) + | |
297 | sizeof(struct mlx5_mkey_seg)); | |
e126ba97 EC |
298 | break; |
299 | ||
b125a54b EC |
300 | case IB_QPT_XRC_TGT: |
301 | return 0; | |
302 | ||
e126ba97 | 303 | case IB_QPT_UC: |
b125a54b | 304 | size += sizeof(struct mlx5_wqe_ctrl_seg) + |
75c1657e LR |
305 | max(sizeof(struct mlx5_wqe_raddr_seg), |
306 | sizeof(struct mlx5_wqe_umr_ctrl_seg) + | |
307 | sizeof(struct mlx5_mkey_seg)); | |
e126ba97 EC |
308 | break; |
309 | ||
310 | case IB_QPT_UD: | |
f0313965 ES |
311 | if (attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) |
312 | size += sizeof(struct mlx5_wqe_eth_pad) + | |
313 | sizeof(struct mlx5_wqe_eth_seg); | |
314 | /* fall through */ | |
e126ba97 | 315 | case IB_QPT_SMI: |
d16e91da | 316 | case MLX5_IB_QPT_HW_GSI: |
b125a54b | 317 | size += sizeof(struct mlx5_wqe_ctrl_seg) + |
e126ba97 EC |
318 | sizeof(struct mlx5_wqe_datagram_seg); |
319 | break; | |
320 | ||
321 | case MLX5_IB_QPT_REG_UMR: | |
b125a54b | 322 | size += sizeof(struct mlx5_wqe_ctrl_seg) + |
e126ba97 EC |
323 | sizeof(struct mlx5_wqe_umr_ctrl_seg) + |
324 | sizeof(struct mlx5_mkey_seg); | |
325 | break; | |
326 | ||
327 | default: | |
328 | return -EINVAL; | |
329 | } | |
330 | ||
331 | return size; | |
332 | } | |
333 | ||
334 | static int calc_send_wqe(struct ib_qp_init_attr *attr) | |
335 | { | |
336 | int inl_size = 0; | |
337 | int size; | |
338 | ||
f0313965 | 339 | size = sq_overhead(attr); |
e126ba97 EC |
340 | if (size < 0) |
341 | return size; | |
342 | ||
343 | if (attr->cap.max_inline_data) { | |
344 | inl_size = size + sizeof(struct mlx5_wqe_inline_seg) + | |
345 | attr->cap.max_inline_data; | |
346 | } | |
347 | ||
348 | size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); | |
e1e66cc2 SG |
349 | if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && |
350 | ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) | |
351 | return MLX5_SIG_WQE_SIZE; | |
352 | else | |
353 | return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); | |
e126ba97 EC |
354 | } |
355 | ||
288c01b7 EC |
356 | static int get_send_sge(struct ib_qp_init_attr *attr, int wqe_size) |
357 | { | |
358 | int max_sge; | |
359 | ||
360 | if (attr->qp_type == IB_QPT_RC) | |
361 | max_sge = (min_t(int, wqe_size, 512) - | |
362 | sizeof(struct mlx5_wqe_ctrl_seg) - | |
363 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
364 | sizeof(struct mlx5_wqe_data_seg); | |
365 | else if (attr->qp_type == IB_QPT_XRC_INI) | |
366 | max_sge = (min_t(int, wqe_size, 512) - | |
367 | sizeof(struct mlx5_wqe_ctrl_seg) - | |
368 | sizeof(struct mlx5_wqe_xrc_seg) - | |
369 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
370 | sizeof(struct mlx5_wqe_data_seg); | |
371 | else | |
372 | max_sge = (wqe_size - sq_overhead(attr)) / | |
373 | sizeof(struct mlx5_wqe_data_seg); | |
374 | ||
375 | return min_t(int, max_sge, wqe_size - sq_overhead(attr) / | |
376 | sizeof(struct mlx5_wqe_data_seg)); | |
377 | } | |
378 | ||
e126ba97 EC |
379 | static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, |
380 | struct mlx5_ib_qp *qp) | |
381 | { | |
382 | int wqe_size; | |
383 | int wq_size; | |
384 | ||
385 | if (!attr->cap.max_send_wr) | |
386 | return 0; | |
387 | ||
388 | wqe_size = calc_send_wqe(attr); | |
389 | mlx5_ib_dbg(dev, "wqe_size %d\n", wqe_size); | |
390 | if (wqe_size < 0) | |
391 | return wqe_size; | |
392 | ||
938fe83c | 393 | if (wqe_size > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { |
b125a54b | 394 | mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n", |
938fe83c | 395 | wqe_size, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); |
e126ba97 EC |
396 | return -EINVAL; |
397 | } | |
398 | ||
f0313965 ES |
399 | qp->max_inline_data = wqe_size - sq_overhead(attr) - |
400 | sizeof(struct mlx5_wqe_inline_seg); | |
e126ba97 EC |
401 | attr->cap.max_inline_data = qp->max_inline_data; |
402 | ||
e1e66cc2 SG |
403 | if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) |
404 | qp->signature_en = true; | |
405 | ||
e126ba97 EC |
406 | wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); |
407 | qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; | |
938fe83c | 408 | if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { |
1974ab9d BVA |
409 | mlx5_ib_dbg(dev, "send queue size (%d * %d / %d -> %d) exceeds limits(%d)\n", |
410 | attr->cap.max_send_wr, wqe_size, MLX5_SEND_WQE_BB, | |
938fe83c SM |
411 | qp->sq.wqe_cnt, |
412 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); | |
b125a54b EC |
413 | return -ENOMEM; |
414 | } | |
e126ba97 | 415 | qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); |
288c01b7 EC |
416 | qp->sq.max_gs = get_send_sge(attr, wqe_size); |
417 | if (qp->sq.max_gs < attr->cap.max_send_sge) | |
418 | return -ENOMEM; | |
419 | ||
420 | attr->cap.max_send_sge = qp->sq.max_gs; | |
b125a54b EC |
421 | qp->sq.max_post = wq_size / wqe_size; |
422 | attr->cap.max_send_wr = qp->sq.max_post; | |
e126ba97 EC |
423 | |
424 | return wq_size; | |
425 | } | |
426 | ||
427 | static int set_user_buf_size(struct mlx5_ib_dev *dev, | |
428 | struct mlx5_ib_qp *qp, | |
19098df2 | 429 | struct mlx5_ib_create_qp *ucmd, |
0fb2ed66 | 430 | struct mlx5_ib_qp_base *base, |
431 | struct ib_qp_init_attr *attr) | |
e126ba97 EC |
432 | { |
433 | int desc_sz = 1 << qp->sq.wqe_shift; | |
434 | ||
938fe83c | 435 | if (desc_sz > MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)) { |
e126ba97 | 436 | mlx5_ib_warn(dev, "desc_sz %d, max_sq_desc_sz %d\n", |
938fe83c | 437 | desc_sz, MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq)); |
e126ba97 EC |
438 | return -EINVAL; |
439 | } | |
440 | ||
441 | if (ucmd->sq_wqe_count && ((1 << ilog2(ucmd->sq_wqe_count)) != ucmd->sq_wqe_count)) { | |
442 | mlx5_ib_warn(dev, "sq_wqe_count %d, sq_wqe_count %d\n", | |
443 | ucmd->sq_wqe_count, ucmd->sq_wqe_count); | |
444 | return -EINVAL; | |
445 | } | |
446 | ||
447 | qp->sq.wqe_cnt = ucmd->sq_wqe_count; | |
448 | ||
938fe83c | 449 | if (qp->sq.wqe_cnt > (1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz))) { |
e126ba97 | 450 | mlx5_ib_warn(dev, "wqe_cnt %d, max_wqes %d\n", |
938fe83c SM |
451 | qp->sq.wqe_cnt, |
452 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz)); | |
e126ba97 EC |
453 | return -EINVAL; |
454 | } | |
455 | ||
0fb2ed66 | 456 | if (attr->qp_type == IB_QPT_RAW_PACKET) { |
457 | base->ubuffer.buf_size = qp->rq.wqe_cnt << qp->rq.wqe_shift; | |
458 | qp->raw_packet_qp.sq.ubuffer.buf_size = qp->sq.wqe_cnt << 6; | |
459 | } else { | |
460 | base->ubuffer.buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) + | |
461 | (qp->sq.wqe_cnt << 6); | |
462 | } | |
e126ba97 EC |
463 | |
464 | return 0; | |
465 | } | |
466 | ||
467 | static int qp_has_rq(struct ib_qp_init_attr *attr) | |
468 | { | |
469 | if (attr->qp_type == IB_QPT_XRC_INI || | |
470 | attr->qp_type == IB_QPT_XRC_TGT || attr->srq || | |
471 | attr->qp_type == MLX5_IB_QPT_REG_UMR || | |
472 | !attr->cap.max_recv_wr) | |
473 | return 0; | |
474 | ||
475 | return 1; | |
476 | } | |
477 | ||
2f5ff264 | 478 | static int first_med_bfreg(void) |
c1be5232 EC |
479 | { |
480 | return 1; | |
481 | } | |
482 | ||
0b80c14f EC |
483 | enum { |
484 | /* this is the first blue flame register in the array of bfregs assigned | |
485 | * to a processes. Since we do not use it for blue flame but rather | |
486 | * regular 64 bit doorbells, we do not need a lock for maintaiing | |
487 | * "odd/even" order | |
488 | */ | |
489 | NUM_NON_BLUE_FLAME_BFREGS = 1, | |
490 | }; | |
491 | ||
b037c29a EC |
492 | static int max_bfregs(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi) |
493 | { | |
494 | return get_num_uars(dev, bfregi) * MLX5_NON_FP_BFREGS_PER_UAR; | |
495 | } | |
496 | ||
497 | static int num_med_bfreg(struct mlx5_ib_dev *dev, | |
498 | struct mlx5_bfreg_info *bfregi) | |
c1be5232 EC |
499 | { |
500 | int n; | |
501 | ||
b037c29a EC |
502 | n = max_bfregs(dev, bfregi) - bfregi->num_low_latency_bfregs - |
503 | NUM_NON_BLUE_FLAME_BFREGS; | |
c1be5232 EC |
504 | |
505 | return n >= 0 ? n : 0; | |
506 | } | |
507 | ||
b037c29a EC |
508 | static int first_hi_bfreg(struct mlx5_ib_dev *dev, |
509 | struct mlx5_bfreg_info *bfregi) | |
c1be5232 EC |
510 | { |
511 | int med; | |
c1be5232 | 512 | |
b037c29a EC |
513 | med = num_med_bfreg(dev, bfregi); |
514 | return ++med; | |
c1be5232 EC |
515 | } |
516 | ||
b037c29a EC |
517 | static int alloc_high_class_bfreg(struct mlx5_ib_dev *dev, |
518 | struct mlx5_bfreg_info *bfregi) | |
e126ba97 | 519 | { |
e126ba97 EC |
520 | int i; |
521 | ||
b037c29a EC |
522 | for (i = first_hi_bfreg(dev, bfregi); i < max_bfregs(dev, bfregi); i++) { |
523 | if (!bfregi->count[i]) { | |
2f5ff264 | 524 | bfregi->count[i]++; |
e126ba97 EC |
525 | return i; |
526 | } | |
527 | } | |
528 | ||
529 | return -ENOMEM; | |
530 | } | |
531 | ||
b037c29a EC |
532 | static int alloc_med_class_bfreg(struct mlx5_ib_dev *dev, |
533 | struct mlx5_bfreg_info *bfregi) | |
e126ba97 | 534 | { |
2f5ff264 | 535 | int minidx = first_med_bfreg(); |
e126ba97 EC |
536 | int i; |
537 | ||
b037c29a | 538 | for (i = first_med_bfreg(); i < first_hi_bfreg(dev, bfregi); i++) { |
2f5ff264 | 539 | if (bfregi->count[i] < bfregi->count[minidx]) |
e126ba97 | 540 | minidx = i; |
0b80c14f EC |
541 | if (!bfregi->count[minidx]) |
542 | break; | |
e126ba97 EC |
543 | } |
544 | ||
2f5ff264 | 545 | bfregi->count[minidx]++; |
e126ba97 EC |
546 | return minidx; |
547 | } | |
548 | ||
b037c29a EC |
549 | static int alloc_bfreg(struct mlx5_ib_dev *dev, |
550 | struct mlx5_bfreg_info *bfregi, | |
2f5ff264 | 551 | enum mlx5_ib_latency_class lat) |
e126ba97 | 552 | { |
2f5ff264 | 553 | int bfregn = -EINVAL; |
e126ba97 | 554 | |
2f5ff264 | 555 | mutex_lock(&bfregi->lock); |
e126ba97 EC |
556 | switch (lat) { |
557 | case MLX5_IB_LATENCY_CLASS_LOW: | |
0b80c14f | 558 | BUILD_BUG_ON(NUM_NON_BLUE_FLAME_BFREGS != 1); |
2f5ff264 EC |
559 | bfregn = 0; |
560 | bfregi->count[bfregn]++; | |
e126ba97 EC |
561 | break; |
562 | ||
563 | case MLX5_IB_LATENCY_CLASS_MEDIUM: | |
2f5ff264 EC |
564 | if (bfregi->ver < 2) |
565 | bfregn = -ENOMEM; | |
78c0f98c | 566 | else |
b037c29a | 567 | bfregn = alloc_med_class_bfreg(dev, bfregi); |
e126ba97 EC |
568 | break; |
569 | ||
570 | case MLX5_IB_LATENCY_CLASS_HIGH: | |
2f5ff264 EC |
571 | if (bfregi->ver < 2) |
572 | bfregn = -ENOMEM; | |
78c0f98c | 573 | else |
b037c29a | 574 | bfregn = alloc_high_class_bfreg(dev, bfregi); |
e126ba97 EC |
575 | break; |
576 | } | |
2f5ff264 | 577 | mutex_unlock(&bfregi->lock); |
e126ba97 | 578 | |
2f5ff264 | 579 | return bfregn; |
e126ba97 EC |
580 | } |
581 | ||
b037c29a | 582 | static void free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, int bfregn) |
e126ba97 | 583 | { |
2f5ff264 | 584 | mutex_lock(&bfregi->lock); |
b037c29a | 585 | bfregi->count[bfregn]--; |
2f5ff264 | 586 | mutex_unlock(&bfregi->lock); |
e126ba97 EC |
587 | } |
588 | ||
589 | static enum mlx5_qp_state to_mlx5_state(enum ib_qp_state state) | |
590 | { | |
591 | switch (state) { | |
592 | case IB_QPS_RESET: return MLX5_QP_STATE_RST; | |
593 | case IB_QPS_INIT: return MLX5_QP_STATE_INIT; | |
594 | case IB_QPS_RTR: return MLX5_QP_STATE_RTR; | |
595 | case IB_QPS_RTS: return MLX5_QP_STATE_RTS; | |
596 | case IB_QPS_SQD: return MLX5_QP_STATE_SQD; | |
597 | case IB_QPS_SQE: return MLX5_QP_STATE_SQER; | |
598 | case IB_QPS_ERR: return MLX5_QP_STATE_ERR; | |
599 | default: return -1; | |
600 | } | |
601 | } | |
602 | ||
603 | static int to_mlx5_st(enum ib_qp_type type) | |
604 | { | |
605 | switch (type) { | |
606 | case IB_QPT_RC: return MLX5_QP_ST_RC; | |
607 | case IB_QPT_UC: return MLX5_QP_ST_UC; | |
608 | case IB_QPT_UD: return MLX5_QP_ST_UD; | |
609 | case MLX5_IB_QPT_REG_UMR: return MLX5_QP_ST_REG_UMR; | |
610 | case IB_QPT_XRC_INI: | |
611 | case IB_QPT_XRC_TGT: return MLX5_QP_ST_XRC; | |
612 | case IB_QPT_SMI: return MLX5_QP_ST_QP0; | |
d16e91da | 613 | case MLX5_IB_QPT_HW_GSI: return MLX5_QP_ST_QP1; |
e126ba97 | 614 | case IB_QPT_RAW_IPV6: return MLX5_QP_ST_RAW_IPV6; |
e126ba97 | 615 | case IB_QPT_RAW_PACKET: |
0fb2ed66 | 616 | case IB_QPT_RAW_ETHERTYPE: return MLX5_QP_ST_RAW_ETHERTYPE; |
e126ba97 EC |
617 | case IB_QPT_MAX: |
618 | default: return -EINVAL; | |
619 | } | |
620 | } | |
621 | ||
89ea94a7 MG |
622 | static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, |
623 | struct mlx5_ib_cq *recv_cq); | |
624 | static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, | |
625 | struct mlx5_ib_cq *recv_cq); | |
626 | ||
b037c29a EC |
627 | static int bfregn_to_uar_index(struct mlx5_ib_dev *dev, |
628 | struct mlx5_bfreg_info *bfregi, int bfregn) | |
e126ba97 | 629 | { |
b037c29a EC |
630 | int bfregs_per_sys_page; |
631 | int index_of_sys_page; | |
632 | int offset; | |
633 | ||
634 | bfregs_per_sys_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * | |
635 | MLX5_NON_FP_BFREGS_PER_UAR; | |
636 | index_of_sys_page = bfregn / bfregs_per_sys_page; | |
637 | ||
638 | offset = bfregn % bfregs_per_sys_page / MLX5_NON_FP_BFREGS_PER_UAR; | |
639 | ||
640 | return bfregi->sys_pages[index_of_sys_page] + offset; | |
e126ba97 EC |
641 | } |
642 | ||
19098df2 | 643 | static int mlx5_ib_umem_get(struct mlx5_ib_dev *dev, |
644 | struct ib_pd *pd, | |
645 | unsigned long addr, size_t size, | |
646 | struct ib_umem **umem, | |
647 | int *npages, int *page_shift, int *ncont, | |
648 | u32 *offset) | |
649 | { | |
650 | int err; | |
651 | ||
652 | *umem = ib_umem_get(pd->uobject->context, addr, size, 0, 0); | |
653 | if (IS_ERR(*umem)) { | |
654 | mlx5_ib_dbg(dev, "umem_get failed\n"); | |
655 | return PTR_ERR(*umem); | |
656 | } | |
657 | ||
762f899a | 658 | mlx5_ib_cont_pages(*umem, addr, 0, npages, page_shift, ncont, NULL); |
19098df2 | 659 | |
660 | err = mlx5_ib_get_buf_offset(addr, *page_shift, offset); | |
661 | if (err) { | |
662 | mlx5_ib_warn(dev, "bad offset\n"); | |
663 | goto err_umem; | |
664 | } | |
665 | ||
666 | mlx5_ib_dbg(dev, "addr 0x%lx, size %zu, npages %d, page_shift %d, ncont %d, offset %d\n", | |
667 | addr, size, *npages, *page_shift, *ncont, *offset); | |
668 | ||
669 | return 0; | |
670 | ||
671 | err_umem: | |
672 | ib_umem_release(*umem); | |
673 | *umem = NULL; | |
674 | ||
675 | return err; | |
676 | } | |
677 | ||
79b20a6c YH |
678 | static void destroy_user_rq(struct ib_pd *pd, struct mlx5_ib_rwq *rwq) |
679 | { | |
680 | struct mlx5_ib_ucontext *context; | |
681 | ||
682 | context = to_mucontext(pd->uobject->context); | |
683 | mlx5_ib_db_unmap_user(context, &rwq->db); | |
684 | if (rwq->umem) | |
685 | ib_umem_release(rwq->umem); | |
686 | } | |
687 | ||
688 | static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, | |
689 | struct mlx5_ib_rwq *rwq, | |
690 | struct mlx5_ib_create_wq *ucmd) | |
691 | { | |
692 | struct mlx5_ib_ucontext *context; | |
693 | int page_shift = 0; | |
694 | int npages; | |
695 | u32 offset = 0; | |
696 | int ncont = 0; | |
697 | int err; | |
698 | ||
699 | if (!ucmd->buf_addr) | |
700 | return -EINVAL; | |
701 | ||
702 | context = to_mucontext(pd->uobject->context); | |
703 | rwq->umem = ib_umem_get(pd->uobject->context, ucmd->buf_addr, | |
704 | rwq->buf_size, 0, 0); | |
705 | if (IS_ERR(rwq->umem)) { | |
706 | mlx5_ib_dbg(dev, "umem_get failed\n"); | |
707 | err = PTR_ERR(rwq->umem); | |
708 | return err; | |
709 | } | |
710 | ||
762f899a | 711 | mlx5_ib_cont_pages(rwq->umem, ucmd->buf_addr, 0, &npages, &page_shift, |
79b20a6c YH |
712 | &ncont, NULL); |
713 | err = mlx5_ib_get_buf_offset(ucmd->buf_addr, page_shift, | |
714 | &rwq->rq_page_offset); | |
715 | if (err) { | |
716 | mlx5_ib_warn(dev, "bad offset\n"); | |
717 | goto err_umem; | |
718 | } | |
719 | ||
720 | rwq->rq_num_pas = ncont; | |
721 | rwq->page_shift = page_shift; | |
722 | rwq->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; | |
723 | rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); | |
724 | ||
725 | mlx5_ib_dbg(dev, "addr 0x%llx, size %zd, npages %d, page_shift %d, ncont %d, offset %d\n", | |
726 | (unsigned long long)ucmd->buf_addr, rwq->buf_size, | |
727 | npages, page_shift, ncont, offset); | |
728 | ||
729 | err = mlx5_ib_db_map_user(context, ucmd->db_addr, &rwq->db); | |
730 | if (err) { | |
731 | mlx5_ib_dbg(dev, "map failed\n"); | |
732 | goto err_umem; | |
733 | } | |
734 | ||
735 | rwq->create_type = MLX5_WQ_USER; | |
736 | return 0; | |
737 | ||
738 | err_umem: | |
739 | ib_umem_release(rwq->umem); | |
740 | return err; | |
741 | } | |
742 | ||
b037c29a EC |
743 | static int adjust_bfregn(struct mlx5_ib_dev *dev, |
744 | struct mlx5_bfreg_info *bfregi, int bfregn) | |
745 | { | |
746 | return bfregn / MLX5_NON_FP_BFREGS_PER_UAR * MLX5_BFREGS_PER_UAR + | |
747 | bfregn % MLX5_NON_FP_BFREGS_PER_UAR; | |
748 | } | |
749 | ||
e126ba97 EC |
750 | static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, |
751 | struct mlx5_ib_qp *qp, struct ib_udata *udata, | |
0fb2ed66 | 752 | struct ib_qp_init_attr *attr, |
09a7d9ec | 753 | u32 **in, |
19098df2 | 754 | struct mlx5_ib_create_qp_resp *resp, int *inlen, |
755 | struct mlx5_ib_qp_base *base) | |
e126ba97 EC |
756 | { |
757 | struct mlx5_ib_ucontext *context; | |
758 | struct mlx5_ib_create_qp ucmd; | |
19098df2 | 759 | struct mlx5_ib_ubuffer *ubuffer = &base->ubuffer; |
9e9c47d0 | 760 | int page_shift = 0; |
e126ba97 EC |
761 | int uar_index; |
762 | int npages; | |
9e9c47d0 | 763 | u32 offset = 0; |
2f5ff264 | 764 | int bfregn; |
9e9c47d0 | 765 | int ncont = 0; |
09a7d9ec SM |
766 | __be64 *pas; |
767 | void *qpc; | |
e126ba97 EC |
768 | int err; |
769 | ||
770 | err = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)); | |
771 | if (err) { | |
772 | mlx5_ib_dbg(dev, "copy failed\n"); | |
773 | return err; | |
774 | } | |
775 | ||
776 | context = to_mucontext(pd->uobject->context); | |
777 | /* | |
778 | * TBD: should come from the verbs when we have the API | |
779 | */ | |
051f2630 LR |
780 | if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) |
781 | /* In CROSS_CHANNEL CQ and QP must use the same UAR */ | |
2f5ff264 | 782 | bfregn = MLX5_CROSS_CHANNEL_BFREG; |
051f2630 | 783 | else { |
b037c29a | 784 | bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_HIGH); |
2f5ff264 EC |
785 | if (bfregn < 0) { |
786 | mlx5_ib_dbg(dev, "failed to allocate low latency BFREG\n"); | |
051f2630 | 787 | mlx5_ib_dbg(dev, "reverting to medium latency\n"); |
b037c29a | 788 | bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_MEDIUM); |
2f5ff264 EC |
789 | if (bfregn < 0) { |
790 | mlx5_ib_dbg(dev, "failed to allocate medium latency BFREG\n"); | |
051f2630 | 791 | mlx5_ib_dbg(dev, "reverting to high latency\n"); |
b037c29a | 792 | bfregn = alloc_bfreg(dev, &context->bfregi, MLX5_IB_LATENCY_CLASS_LOW); |
2f5ff264 EC |
793 | if (bfregn < 0) { |
794 | mlx5_ib_warn(dev, "bfreg allocation failed\n"); | |
795 | return bfregn; | |
051f2630 | 796 | } |
c1be5232 | 797 | } |
e126ba97 EC |
798 | } |
799 | } | |
800 | ||
b037c29a | 801 | uar_index = bfregn_to_uar_index(dev, &context->bfregi, bfregn); |
2f5ff264 | 802 | mlx5_ib_dbg(dev, "bfregn 0x%x, uar_index 0x%x\n", bfregn, uar_index); |
e126ba97 | 803 | |
48fea837 HE |
804 | qp->rq.offset = 0; |
805 | qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); | |
806 | qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; | |
807 | ||
0fb2ed66 | 808 | err = set_user_buf_size(dev, qp, &ucmd, base, attr); |
e126ba97 | 809 | if (err) |
2f5ff264 | 810 | goto err_bfreg; |
e126ba97 | 811 | |
19098df2 | 812 | if (ucmd.buf_addr && ubuffer->buf_size) { |
813 | ubuffer->buf_addr = ucmd.buf_addr; | |
814 | err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, | |
815 | ubuffer->buf_size, | |
816 | &ubuffer->umem, &npages, &page_shift, | |
817 | &ncont, &offset); | |
818 | if (err) | |
2f5ff264 | 819 | goto err_bfreg; |
9e9c47d0 | 820 | } else { |
19098df2 | 821 | ubuffer->umem = NULL; |
e126ba97 | 822 | } |
e126ba97 | 823 | |
09a7d9ec SM |
824 | *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + |
825 | MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * ncont; | |
e126ba97 EC |
826 | *in = mlx5_vzalloc(*inlen); |
827 | if (!*in) { | |
828 | err = -ENOMEM; | |
829 | goto err_umem; | |
830 | } | |
09a7d9ec SM |
831 | |
832 | pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas); | |
19098df2 | 833 | if (ubuffer->umem) |
09a7d9ec SM |
834 | mlx5_ib_populate_pas(dev, ubuffer->umem, page_shift, pas, 0); |
835 | ||
836 | qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); | |
837 | ||
838 | MLX5_SET(qpc, qpc, log_page_size, page_shift - MLX5_ADAPTER_PAGE_SHIFT); | |
839 | MLX5_SET(qpc, qpc, page_offset, offset); | |
e126ba97 | 840 | |
09a7d9ec | 841 | MLX5_SET(qpc, qpc, uar_page, uar_index); |
b037c29a | 842 | resp->bfreg_index = adjust_bfregn(dev, &context->bfregi, bfregn); |
2f5ff264 | 843 | qp->bfregn = bfregn; |
e126ba97 EC |
844 | |
845 | err = mlx5_ib_db_map_user(context, ucmd.db_addr, &qp->db); | |
846 | if (err) { | |
847 | mlx5_ib_dbg(dev, "map failed\n"); | |
848 | goto err_free; | |
849 | } | |
850 | ||
851 | err = ib_copy_to_udata(udata, resp, sizeof(*resp)); | |
852 | if (err) { | |
853 | mlx5_ib_dbg(dev, "copy failed\n"); | |
854 | goto err_unmap; | |
855 | } | |
856 | qp->create_type = MLX5_QP_USER; | |
857 | ||
858 | return 0; | |
859 | ||
860 | err_unmap: | |
861 | mlx5_ib_db_unmap_user(context, &qp->db); | |
862 | ||
863 | err_free: | |
479163f4 | 864 | kvfree(*in); |
e126ba97 EC |
865 | |
866 | err_umem: | |
19098df2 | 867 | if (ubuffer->umem) |
868 | ib_umem_release(ubuffer->umem); | |
e126ba97 | 869 | |
2f5ff264 | 870 | err_bfreg: |
b037c29a | 871 | free_bfreg(dev, &context->bfregi, bfregn); |
e126ba97 EC |
872 | return err; |
873 | } | |
874 | ||
b037c29a EC |
875 | static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd, |
876 | struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base) | |
e126ba97 EC |
877 | { |
878 | struct mlx5_ib_ucontext *context; | |
879 | ||
880 | context = to_mucontext(pd->uobject->context); | |
881 | mlx5_ib_db_unmap_user(context, &qp->db); | |
19098df2 | 882 | if (base->ubuffer.umem) |
883 | ib_umem_release(base->ubuffer.umem); | |
b037c29a | 884 | free_bfreg(dev, &context->bfregi, qp->bfregn); |
e126ba97 EC |
885 | } |
886 | ||
887 | static int create_kernel_qp(struct mlx5_ib_dev *dev, | |
888 | struct ib_qp_init_attr *init_attr, | |
889 | struct mlx5_ib_qp *qp, | |
09a7d9ec | 890 | u32 **in, int *inlen, |
19098df2 | 891 | struct mlx5_ib_qp_base *base) |
e126ba97 | 892 | { |
e126ba97 | 893 | int uar_index; |
09a7d9ec | 894 | void *qpc; |
e126ba97 EC |
895 | int err; |
896 | ||
f0313965 ES |
897 | if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | |
898 | IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | | |
b11a4f9c HE |
899 | IB_QP_CREATE_IPOIB_UD_LSO | |
900 | mlx5_ib_create_qp_sqpn_qp1())) | |
1a4c3a3d | 901 | return -EINVAL; |
e126ba97 EC |
902 | |
903 | if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) | |
5fe9dec0 EC |
904 | qp->bf.bfreg = &dev->fp_bfreg; |
905 | else | |
906 | qp->bf.bfreg = &dev->bfreg; | |
e126ba97 | 907 | |
5fe9dec0 EC |
908 | qp->bf.buf_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); |
909 | uar_index = qp->bf.bfreg->index; | |
e126ba97 EC |
910 | |
911 | err = calc_sq_size(dev, init_attr, qp); | |
912 | if (err < 0) { | |
913 | mlx5_ib_dbg(dev, "err %d\n", err); | |
5fe9dec0 | 914 | return err; |
e126ba97 EC |
915 | } |
916 | ||
917 | qp->rq.offset = 0; | |
918 | qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; | |
19098df2 | 919 | base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); |
e126ba97 | 920 | |
19098df2 | 921 | err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); |
e126ba97 EC |
922 | if (err) { |
923 | mlx5_ib_dbg(dev, "err %d\n", err); | |
5fe9dec0 | 924 | return err; |
e126ba97 EC |
925 | } |
926 | ||
927 | qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); | |
09a7d9ec SM |
928 | *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + |
929 | MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; | |
e126ba97 EC |
930 | *in = mlx5_vzalloc(*inlen); |
931 | if (!*in) { | |
932 | err = -ENOMEM; | |
933 | goto err_buf; | |
934 | } | |
09a7d9ec SM |
935 | |
936 | qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); | |
937 | MLX5_SET(qpc, qpc, uar_page, uar_index); | |
938 | MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); | |
939 | ||
e126ba97 | 940 | /* Set "fast registration enabled" for all kernel QPs */ |
09a7d9ec SM |
941 | MLX5_SET(qpc, qpc, fre, 1); |
942 | MLX5_SET(qpc, qpc, rlky, 1); | |
e126ba97 | 943 | |
b11a4f9c | 944 | if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { |
09a7d9ec | 945 | MLX5_SET(qpc, qpc, deth_sqpn, 1); |
b11a4f9c HE |
946 | qp->flags |= MLX5_IB_QP_SQPN_QP1; |
947 | } | |
948 | ||
09a7d9ec SM |
949 | mlx5_fill_page_array(&qp->buf, |
950 | (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); | |
e126ba97 | 951 | |
9603b61d | 952 | err = mlx5_db_alloc(dev->mdev, &qp->db); |
e126ba97 EC |
953 | if (err) { |
954 | mlx5_ib_dbg(dev, "err %d\n", err); | |
955 | goto err_free; | |
956 | } | |
957 | ||
e126ba97 EC |
958 | qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); |
959 | qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); | |
960 | qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); | |
961 | qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); | |
962 | qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); | |
963 | ||
964 | if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || | |
965 | !qp->sq.w_list || !qp->sq.wqe_head) { | |
966 | err = -ENOMEM; | |
967 | goto err_wrid; | |
968 | } | |
969 | qp->create_type = MLX5_QP_KERNEL; | |
970 | ||
971 | return 0; | |
972 | ||
973 | err_wrid: | |
e126ba97 EC |
974 | kfree(qp->sq.wqe_head); |
975 | kfree(qp->sq.w_list); | |
976 | kfree(qp->sq.wrid); | |
977 | kfree(qp->sq.wr_data); | |
978 | kfree(qp->rq.wrid); | |
f4044dac | 979 | mlx5_db_free(dev->mdev, &qp->db); |
e126ba97 EC |
980 | |
981 | err_free: | |
479163f4 | 982 | kvfree(*in); |
e126ba97 EC |
983 | |
984 | err_buf: | |
9603b61d | 985 | mlx5_buf_free(dev->mdev, &qp->buf); |
e126ba97 EC |
986 | return err; |
987 | } | |
988 | ||
989 | static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) | |
990 | { | |
e126ba97 EC |
991 | kfree(qp->sq.wqe_head); |
992 | kfree(qp->sq.w_list); | |
993 | kfree(qp->sq.wrid); | |
994 | kfree(qp->sq.wr_data); | |
995 | kfree(qp->rq.wrid); | |
f4044dac | 996 | mlx5_db_free(dev->mdev, &qp->db); |
9603b61d | 997 | mlx5_buf_free(dev->mdev, &qp->buf); |
e126ba97 EC |
998 | } |
999 | ||
09a7d9ec | 1000 | static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) |
e126ba97 EC |
1001 | { |
1002 | if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || | |
1003 | (attr->qp_type == IB_QPT_XRC_INI)) | |
09a7d9ec | 1004 | return MLX5_SRQ_RQ; |
e126ba97 | 1005 | else if (!qp->has_rq) |
09a7d9ec | 1006 | return MLX5_ZERO_LEN_RQ; |
e126ba97 | 1007 | else |
09a7d9ec | 1008 | return MLX5_NON_ZERO_RQ; |
e126ba97 EC |
1009 | } |
1010 | ||
1011 | static int is_connected(enum ib_qp_type qp_type) | |
1012 | { | |
1013 | if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) | |
1014 | return 1; | |
1015 | ||
1016 | return 0; | |
1017 | } | |
1018 | ||
0fb2ed66 | 1019 | static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, |
1020 | struct mlx5_ib_sq *sq, u32 tdn) | |
1021 | { | |
c4f287c4 | 1022 | u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; |
0fb2ed66 | 1023 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
1024 | ||
0fb2ed66 | 1025 | MLX5_SET(tisc, tisc, transport_domain, tdn); |
0fb2ed66 | 1026 | return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); |
1027 | } | |
1028 | ||
1029 | static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, | |
1030 | struct mlx5_ib_sq *sq) | |
1031 | { | |
1032 | mlx5_core_destroy_tis(dev->mdev, sq->tisn); | |
1033 | } | |
1034 | ||
1035 | static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, | |
1036 | struct mlx5_ib_sq *sq, void *qpin, | |
1037 | struct ib_pd *pd) | |
1038 | { | |
1039 | struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; | |
1040 | __be64 *pas; | |
1041 | void *in; | |
1042 | void *sqc; | |
1043 | void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); | |
1044 | void *wq; | |
1045 | int inlen; | |
1046 | int err; | |
1047 | int page_shift = 0; | |
1048 | int npages; | |
1049 | int ncont = 0; | |
1050 | u32 offset = 0; | |
1051 | ||
1052 | err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, | |
1053 | &sq->ubuffer.umem, &npages, &page_shift, | |
1054 | &ncont, &offset); | |
1055 | if (err) | |
1056 | return err; | |
1057 | ||
1058 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; | |
1059 | in = mlx5_vzalloc(inlen); | |
1060 | if (!in) { | |
1061 | err = -ENOMEM; | |
1062 | goto err_umem; | |
1063 | } | |
1064 | ||
1065 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
1066 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); | |
1067 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); | |
1068 | MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); | |
1069 | MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); | |
1070 | MLX5_SET(sqc, sqc, tis_lst_sz, 1); | |
1071 | MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); | |
1072 | ||
1073 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1074 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
1075 | MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); | |
1076 | MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); | |
1077 | MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); | |
1078 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); | |
1079 | MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); | |
1080 | MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); | |
1081 | MLX5_SET(wq, wq, page_offset, offset); | |
1082 | ||
1083 | pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); | |
1084 | mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); | |
1085 | ||
1086 | err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); | |
1087 | ||
1088 | kvfree(in); | |
1089 | ||
1090 | if (err) | |
1091 | goto err_umem; | |
1092 | ||
1093 | return 0; | |
1094 | ||
1095 | err_umem: | |
1096 | ib_umem_release(sq->ubuffer.umem); | |
1097 | sq->ubuffer.umem = NULL; | |
1098 | ||
1099 | return err; | |
1100 | } | |
1101 | ||
1102 | static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, | |
1103 | struct mlx5_ib_sq *sq) | |
1104 | { | |
1105 | mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); | |
1106 | ib_umem_release(sq->ubuffer.umem); | |
1107 | } | |
1108 | ||
1109 | static int get_rq_pas_size(void *qpc) | |
1110 | { | |
1111 | u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; | |
1112 | u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); | |
1113 | u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); | |
1114 | u32 page_offset = MLX5_GET(qpc, qpc, page_offset); | |
1115 | u32 po_quanta = 1 << (log_page_size - 6); | |
1116 | u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); | |
1117 | u32 page_size = 1 << log_page_size; | |
1118 | u32 rq_sz_po = rq_sz + (page_offset * po_quanta); | |
1119 | u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; | |
1120 | ||
1121 | return rq_num_pas * sizeof(u64); | |
1122 | } | |
1123 | ||
1124 | static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, | |
1125 | struct mlx5_ib_rq *rq, void *qpin) | |
1126 | { | |
358e42ea | 1127 | struct mlx5_ib_qp *mqp = rq->base.container_mibqp; |
0fb2ed66 | 1128 | __be64 *pas; |
1129 | __be64 *qp_pas; | |
1130 | void *in; | |
1131 | void *rqc; | |
1132 | void *wq; | |
1133 | void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); | |
1134 | int inlen; | |
1135 | int err; | |
1136 | u32 rq_pas_size = get_rq_pas_size(qpc); | |
1137 | ||
1138 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; | |
1139 | in = mlx5_vzalloc(inlen); | |
1140 | if (!in) | |
1141 | return -ENOMEM; | |
1142 | ||
1143 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
1144 | MLX5_SET(rqc, rqc, vsd, 1); | |
1145 | MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); | |
1146 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); | |
1147 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
1148 | MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); | |
1149 | MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); | |
1150 | ||
358e42ea MD |
1151 | if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) |
1152 | MLX5_SET(rqc, rqc, scatter_fcs, 1); | |
1153 | ||
0fb2ed66 | 1154 | wq = MLX5_ADDR_OF(rqc, rqc, wq); |
1155 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
1156 | MLX5_SET(wq, wq, end_padding_mode, | |
01581fb8 | 1157 | MLX5_GET(qpc, qpc, end_padding_mode)); |
0fb2ed66 | 1158 | MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); |
1159 | MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); | |
1160 | MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); | |
1161 | MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); | |
1162 | MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); | |
1163 | MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); | |
1164 | ||
1165 | pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); | |
1166 | qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); | |
1167 | memcpy(pas, qp_pas, rq_pas_size); | |
1168 | ||
1169 | err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); | |
1170 | ||
1171 | kvfree(in); | |
1172 | ||
1173 | return err; | |
1174 | } | |
1175 | ||
1176 | static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, | |
1177 | struct mlx5_ib_rq *rq) | |
1178 | { | |
1179 | mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); | |
1180 | } | |
1181 | ||
1182 | static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, | |
1183 | struct mlx5_ib_rq *rq, u32 tdn) | |
1184 | { | |
1185 | u32 *in; | |
1186 | void *tirc; | |
1187 | int inlen; | |
1188 | int err; | |
1189 | ||
1190 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1191 | in = mlx5_vzalloc(inlen); | |
1192 | if (!in) | |
1193 | return -ENOMEM; | |
1194 | ||
1195 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
1196 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); | |
1197 | MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); | |
1198 | MLX5_SET(tirc, tirc, transport_domain, tdn); | |
1199 | ||
1200 | err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); | |
1201 | ||
1202 | kvfree(in); | |
1203 | ||
1204 | return err; | |
1205 | } | |
1206 | ||
1207 | static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, | |
1208 | struct mlx5_ib_rq *rq) | |
1209 | { | |
1210 | mlx5_core_destroy_tir(dev->mdev, rq->tirn); | |
1211 | } | |
1212 | ||
1213 | static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
09a7d9ec | 1214 | u32 *in, |
0fb2ed66 | 1215 | struct ib_pd *pd) |
1216 | { | |
1217 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
1218 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1219 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1220 | struct ib_uobject *uobj = pd->uobject; | |
1221 | struct ib_ucontext *ucontext = uobj->context; | |
1222 | struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); | |
1223 | int err; | |
1224 | u32 tdn = mucontext->tdn; | |
1225 | ||
1226 | if (qp->sq.wqe_cnt) { | |
1227 | err = create_raw_packet_qp_tis(dev, sq, tdn); | |
1228 | if (err) | |
1229 | return err; | |
1230 | ||
1231 | err = create_raw_packet_qp_sq(dev, sq, in, pd); | |
1232 | if (err) | |
1233 | goto err_destroy_tis; | |
1234 | ||
1235 | sq->base.container_mibqp = qp; | |
1236 | } | |
1237 | ||
1238 | if (qp->rq.wqe_cnt) { | |
358e42ea MD |
1239 | rq->base.container_mibqp = qp; |
1240 | ||
0fb2ed66 | 1241 | err = create_raw_packet_qp_rq(dev, rq, in); |
1242 | if (err) | |
1243 | goto err_destroy_sq; | |
1244 | ||
0fb2ed66 | 1245 | |
1246 | err = create_raw_packet_qp_tir(dev, rq, tdn); | |
1247 | if (err) | |
1248 | goto err_destroy_rq; | |
1249 | } | |
1250 | ||
1251 | qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : | |
1252 | rq->base.mqp.qpn; | |
1253 | ||
1254 | return 0; | |
1255 | ||
1256 | err_destroy_rq: | |
1257 | destroy_raw_packet_qp_rq(dev, rq); | |
1258 | err_destroy_sq: | |
1259 | if (!qp->sq.wqe_cnt) | |
1260 | return err; | |
1261 | destroy_raw_packet_qp_sq(dev, sq); | |
1262 | err_destroy_tis: | |
1263 | destroy_raw_packet_qp_tis(dev, sq); | |
1264 | ||
1265 | return err; | |
1266 | } | |
1267 | ||
1268 | static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, | |
1269 | struct mlx5_ib_qp *qp) | |
1270 | { | |
1271 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
1272 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1273 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1274 | ||
1275 | if (qp->rq.wqe_cnt) { | |
1276 | destroy_raw_packet_qp_tir(dev, rq); | |
1277 | destroy_raw_packet_qp_rq(dev, rq); | |
1278 | } | |
1279 | ||
1280 | if (qp->sq.wqe_cnt) { | |
1281 | destroy_raw_packet_qp_sq(dev, sq); | |
1282 | destroy_raw_packet_qp_tis(dev, sq); | |
1283 | } | |
1284 | } | |
1285 | ||
1286 | static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, | |
1287 | struct mlx5_ib_raw_packet_qp *raw_packet_qp) | |
1288 | { | |
1289 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1290 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1291 | ||
1292 | sq->sq = &qp->sq; | |
1293 | rq->rq = &qp->rq; | |
1294 | sq->doorbell = &qp->db; | |
1295 | rq->doorbell = &qp->db; | |
1296 | } | |
1297 | ||
28d61370 YH |
1298 | static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) |
1299 | { | |
1300 | mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); | |
1301 | } | |
1302 | ||
1303 | static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
1304 | struct ib_pd *pd, | |
1305 | struct ib_qp_init_attr *init_attr, | |
1306 | struct ib_udata *udata) | |
1307 | { | |
1308 | struct ib_uobject *uobj = pd->uobject; | |
1309 | struct ib_ucontext *ucontext = uobj->context; | |
1310 | struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); | |
1311 | struct mlx5_ib_create_qp_resp resp = {}; | |
1312 | int inlen; | |
1313 | int err; | |
1314 | u32 *in; | |
1315 | void *tirc; | |
1316 | void *hfso; | |
1317 | u32 selected_fields = 0; | |
1318 | size_t min_resp_len; | |
1319 | u32 tdn = mucontext->tdn; | |
1320 | struct mlx5_ib_create_qp_rss ucmd = {}; | |
1321 | size_t required_cmd_sz; | |
1322 | ||
1323 | if (init_attr->qp_type != IB_QPT_RAW_PACKET) | |
1324 | return -EOPNOTSUPP; | |
1325 | ||
1326 | if (init_attr->create_flags || init_attr->send_cq) | |
1327 | return -EINVAL; | |
1328 | ||
2f5ff264 | 1329 | min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); |
28d61370 YH |
1330 | if (udata->outlen < min_resp_len) |
1331 | return -EINVAL; | |
1332 | ||
1333 | required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1); | |
1334 | if (udata->inlen < required_cmd_sz) { | |
1335 | mlx5_ib_dbg(dev, "invalid inlen\n"); | |
1336 | return -EINVAL; | |
1337 | } | |
1338 | ||
1339 | if (udata->inlen > sizeof(ucmd) && | |
1340 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
1341 | udata->inlen - sizeof(ucmd))) { | |
1342 | mlx5_ib_dbg(dev, "inlen is not supported\n"); | |
1343 | return -EOPNOTSUPP; | |
1344 | } | |
1345 | ||
1346 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { | |
1347 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1348 | return -EFAULT; | |
1349 | } | |
1350 | ||
1351 | if (ucmd.comp_mask) { | |
1352 | mlx5_ib_dbg(dev, "invalid comp mask\n"); | |
1353 | return -EOPNOTSUPP; | |
1354 | } | |
1355 | ||
1356 | if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) { | |
1357 | mlx5_ib_dbg(dev, "invalid reserved\n"); | |
1358 | return -EOPNOTSUPP; | |
1359 | } | |
1360 | ||
1361 | err = ib_copy_to_udata(udata, &resp, min_resp_len); | |
1362 | if (err) { | |
1363 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1364 | return -EINVAL; | |
1365 | } | |
1366 | ||
1367 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1368 | in = mlx5_vzalloc(inlen); | |
1369 | if (!in) | |
1370 | return -ENOMEM; | |
1371 | ||
1372 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
1373 | MLX5_SET(tirc, tirc, disp_type, | |
1374 | MLX5_TIRC_DISP_TYPE_INDIRECT); | |
1375 | MLX5_SET(tirc, tirc, indirect_table, | |
1376 | init_attr->rwq_ind_tbl->ind_tbl_num); | |
1377 | MLX5_SET(tirc, tirc, transport_domain, tdn); | |
1378 | ||
1379 | hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); | |
1380 | switch (ucmd.rx_hash_function) { | |
1381 | case MLX5_RX_HASH_FUNC_TOEPLITZ: | |
1382 | { | |
1383 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); | |
1384 | size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); | |
1385 | ||
1386 | if (len != ucmd.rx_key_len) { | |
1387 | err = -EINVAL; | |
1388 | goto err; | |
1389 | } | |
1390 | ||
1391 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); | |
1392 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
1393 | memcpy(rss_key, ucmd.rx_hash_key, len); | |
1394 | break; | |
1395 | } | |
1396 | default: | |
1397 | err = -EOPNOTSUPP; | |
1398 | goto err; | |
1399 | } | |
1400 | ||
1401 | if (!ucmd.rx_hash_fields_mask) { | |
1402 | /* special case when this TIR serves as steering entry without hashing */ | |
1403 | if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) | |
1404 | goto create_tir; | |
1405 | err = -EINVAL; | |
1406 | goto err; | |
1407 | } | |
1408 | ||
1409 | if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1410 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && | |
1411 | ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || | |
1412 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { | |
1413 | err = -EINVAL; | |
1414 | goto err; | |
1415 | } | |
1416 | ||
1417 | /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ | |
1418 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1419 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) | |
1420 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1421 | MLX5_L3_PROT_TYPE_IPV4); | |
1422 | else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || | |
1423 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) | |
1424 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1425 | MLX5_L3_PROT_TYPE_IPV6); | |
1426 | ||
1427 | if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1428 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && | |
1429 | ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || | |
1430 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { | |
1431 | err = -EINVAL; | |
1432 | goto err; | |
1433 | } | |
1434 | ||
1435 | /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ | |
1436 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1437 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) | |
1438 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1439 | MLX5_L4_PROT_TYPE_TCP); | |
1440 | else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || | |
1441 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) | |
1442 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1443 | MLX5_L4_PROT_TYPE_UDP); | |
1444 | ||
1445 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1446 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) | |
1447 | selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; | |
1448 | ||
1449 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || | |
1450 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) | |
1451 | selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; | |
1452 | ||
1453 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1454 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) | |
1455 | selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; | |
1456 | ||
1457 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || | |
1458 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) | |
1459 | selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; | |
1460 | ||
1461 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); | |
1462 | ||
1463 | create_tir: | |
1464 | err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); | |
1465 | ||
1466 | if (err) | |
1467 | goto err; | |
1468 | ||
1469 | kvfree(in); | |
1470 | /* qpn is reserved for that QP */ | |
1471 | qp->trans_qp.base.mqp.qpn = 0; | |
d9f88e5a | 1472 | qp->flags |= MLX5_IB_QP_RSS; |
28d61370 YH |
1473 | return 0; |
1474 | ||
1475 | err: | |
1476 | kvfree(in); | |
1477 | return err; | |
1478 | } | |
1479 | ||
e126ba97 EC |
1480 | static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, |
1481 | struct ib_qp_init_attr *init_attr, | |
1482 | struct ib_udata *udata, struct mlx5_ib_qp *qp) | |
1483 | { | |
1484 | struct mlx5_ib_resources *devr = &dev->devr; | |
09a7d9ec | 1485 | int inlen = MLX5_ST_SZ_BYTES(create_qp_in); |
938fe83c | 1486 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 1487 | struct mlx5_ib_create_qp_resp resp; |
89ea94a7 MG |
1488 | struct mlx5_ib_cq *send_cq; |
1489 | struct mlx5_ib_cq *recv_cq; | |
1490 | unsigned long flags; | |
cfb5e088 | 1491 | u32 uidx = MLX5_IB_DEFAULT_UIDX; |
09a7d9ec SM |
1492 | struct mlx5_ib_create_qp ucmd; |
1493 | struct mlx5_ib_qp_base *base; | |
cfb5e088 | 1494 | void *qpc; |
09a7d9ec SM |
1495 | u32 *in; |
1496 | int err; | |
e126ba97 | 1497 | |
0fb2ed66 | 1498 | base = init_attr->qp_type == IB_QPT_RAW_PACKET ? |
1499 | &qp->raw_packet_qp.rq.base : | |
1500 | &qp->trans_qp.base; | |
1501 | ||
e126ba97 EC |
1502 | mutex_init(&qp->mutex); |
1503 | spin_lock_init(&qp->sq.lock); | |
1504 | spin_lock_init(&qp->rq.lock); | |
1505 | ||
28d61370 YH |
1506 | if (init_attr->rwq_ind_tbl) { |
1507 | if (!udata) | |
1508 | return -ENOSYS; | |
1509 | ||
1510 | err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); | |
1511 | return err; | |
1512 | } | |
1513 | ||
f360d88a | 1514 | if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { |
938fe83c | 1515 | if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { |
f360d88a EC |
1516 | mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); |
1517 | return -EINVAL; | |
1518 | } else { | |
1519 | qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; | |
1520 | } | |
1521 | } | |
1522 | ||
051f2630 LR |
1523 | if (init_attr->create_flags & |
1524 | (IB_QP_CREATE_CROSS_CHANNEL | | |
1525 | IB_QP_CREATE_MANAGED_SEND | | |
1526 | IB_QP_CREATE_MANAGED_RECV)) { | |
1527 | if (!MLX5_CAP_GEN(mdev, cd)) { | |
1528 | mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); | |
1529 | return -EINVAL; | |
1530 | } | |
1531 | if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) | |
1532 | qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; | |
1533 | if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) | |
1534 | qp->flags |= MLX5_IB_QP_MANAGED_SEND; | |
1535 | if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) | |
1536 | qp->flags |= MLX5_IB_QP_MANAGED_RECV; | |
1537 | } | |
f0313965 ES |
1538 | |
1539 | if (init_attr->qp_type == IB_QPT_UD && | |
1540 | (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) | |
1541 | if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { | |
1542 | mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); | |
1543 | return -EOPNOTSUPP; | |
1544 | } | |
1545 | ||
358e42ea MD |
1546 | if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { |
1547 | if (init_attr->qp_type != IB_QPT_RAW_PACKET) { | |
1548 | mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); | |
1549 | return -EOPNOTSUPP; | |
1550 | } | |
1551 | if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || | |
1552 | !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { | |
1553 | mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); | |
1554 | return -EOPNOTSUPP; | |
1555 | } | |
1556 | qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; | |
1557 | } | |
1558 | ||
e126ba97 EC |
1559 | if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) |
1560 | qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; | |
1561 | ||
1562 | if (pd && pd->uobject) { | |
1563 | if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { | |
1564 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1565 | return -EFAULT; | |
1566 | } | |
1567 | ||
cfb5e088 HA |
1568 | err = get_qp_user_index(to_mucontext(pd->uobject->context), |
1569 | &ucmd, udata->inlen, &uidx); | |
1570 | if (err) | |
1571 | return err; | |
1572 | ||
e126ba97 EC |
1573 | qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); |
1574 | qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); | |
1575 | } else { | |
1576 | qp->wq_sig = !!wq_signature; | |
1577 | } | |
1578 | ||
1579 | qp->has_rq = qp_has_rq(init_attr); | |
1580 | err = set_rq_size(dev, &init_attr->cap, qp->has_rq, | |
1581 | qp, (pd && pd->uobject) ? &ucmd : NULL); | |
1582 | if (err) { | |
1583 | mlx5_ib_dbg(dev, "err %d\n", err); | |
1584 | return err; | |
1585 | } | |
1586 | ||
1587 | if (pd) { | |
1588 | if (pd->uobject) { | |
938fe83c SM |
1589 | __u32 max_wqes = |
1590 | 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
e126ba97 EC |
1591 | mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); |
1592 | if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || | |
1593 | ucmd.rq_wqe_count != qp->rq.wqe_cnt) { | |
1594 | mlx5_ib_dbg(dev, "invalid rq params\n"); | |
1595 | return -EINVAL; | |
1596 | } | |
938fe83c | 1597 | if (ucmd.sq_wqe_count > max_wqes) { |
e126ba97 | 1598 | mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", |
938fe83c | 1599 | ucmd.sq_wqe_count, max_wqes); |
e126ba97 EC |
1600 | return -EINVAL; |
1601 | } | |
b11a4f9c HE |
1602 | if (init_attr->create_flags & |
1603 | mlx5_ib_create_qp_sqpn_qp1()) { | |
1604 | mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); | |
1605 | return -EINVAL; | |
1606 | } | |
0fb2ed66 | 1607 | err = create_user_qp(dev, pd, qp, udata, init_attr, &in, |
1608 | &resp, &inlen, base); | |
e126ba97 EC |
1609 | if (err) |
1610 | mlx5_ib_dbg(dev, "err %d\n", err); | |
1611 | } else { | |
19098df2 | 1612 | err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, |
1613 | base); | |
e126ba97 EC |
1614 | if (err) |
1615 | mlx5_ib_dbg(dev, "err %d\n", err); | |
e126ba97 EC |
1616 | } |
1617 | ||
1618 | if (err) | |
1619 | return err; | |
1620 | } else { | |
09a7d9ec | 1621 | in = mlx5_vzalloc(inlen); |
e126ba97 EC |
1622 | if (!in) |
1623 | return -ENOMEM; | |
1624 | ||
1625 | qp->create_type = MLX5_QP_EMPTY; | |
1626 | } | |
1627 | ||
1628 | if (is_sqp(init_attr->qp_type)) | |
1629 | qp->port = init_attr->port_num; | |
1630 | ||
09a7d9ec SM |
1631 | qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); |
1632 | ||
1633 | MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); | |
1634 | MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); | |
e126ba97 EC |
1635 | |
1636 | if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) | |
09a7d9ec | 1637 | MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); |
e126ba97 | 1638 | else |
09a7d9ec SM |
1639 | MLX5_SET(qpc, qpc, latency_sensitive, 1); |
1640 | ||
e126ba97 EC |
1641 | |
1642 | if (qp->wq_sig) | |
09a7d9ec | 1643 | MLX5_SET(qpc, qpc, wq_signature, 1); |
e126ba97 | 1644 | |
f360d88a | 1645 | if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) |
09a7d9ec | 1646 | MLX5_SET(qpc, qpc, block_lb_mc, 1); |
f360d88a | 1647 | |
051f2630 | 1648 | if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) |
09a7d9ec | 1649 | MLX5_SET(qpc, qpc, cd_master, 1); |
051f2630 | 1650 | if (qp->flags & MLX5_IB_QP_MANAGED_SEND) |
09a7d9ec | 1651 | MLX5_SET(qpc, qpc, cd_slave_send, 1); |
051f2630 | 1652 | if (qp->flags & MLX5_IB_QP_MANAGED_RECV) |
09a7d9ec | 1653 | MLX5_SET(qpc, qpc, cd_slave_receive, 1); |
051f2630 | 1654 | |
e126ba97 EC |
1655 | if (qp->scat_cqe && is_connected(init_attr->qp_type)) { |
1656 | int rcqe_sz; | |
1657 | int scqe_sz; | |
1658 | ||
1659 | rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); | |
1660 | scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); | |
1661 | ||
1662 | if (rcqe_sz == 128) | |
09a7d9ec | 1663 | MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); |
e126ba97 | 1664 | else |
09a7d9ec | 1665 | MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); |
e126ba97 EC |
1666 | |
1667 | if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { | |
1668 | if (scqe_sz == 128) | |
09a7d9ec | 1669 | MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); |
e126ba97 | 1670 | else |
09a7d9ec | 1671 | MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); |
e126ba97 EC |
1672 | } |
1673 | } | |
1674 | ||
1675 | if (qp->rq.wqe_cnt) { | |
09a7d9ec SM |
1676 | MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); |
1677 | MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); | |
e126ba97 EC |
1678 | } |
1679 | ||
09a7d9ec | 1680 | MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); |
e126ba97 EC |
1681 | |
1682 | if (qp->sq.wqe_cnt) | |
09a7d9ec | 1683 | MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); |
e126ba97 | 1684 | else |
09a7d9ec | 1685 | MLX5_SET(qpc, qpc, no_sq, 1); |
e126ba97 EC |
1686 | |
1687 | /* Set default resources */ | |
1688 | switch (init_attr->qp_type) { | |
1689 | case IB_QPT_XRC_TGT: | |
09a7d9ec SM |
1690 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); |
1691 | MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); | |
1692 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); | |
1693 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); | |
e126ba97 EC |
1694 | break; |
1695 | case IB_QPT_XRC_INI: | |
09a7d9ec SM |
1696 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); |
1697 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); | |
1698 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); | |
e126ba97 EC |
1699 | break; |
1700 | default: | |
1701 | if (init_attr->srq) { | |
09a7d9ec SM |
1702 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); |
1703 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); | |
e126ba97 | 1704 | } else { |
09a7d9ec SM |
1705 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); |
1706 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); | |
e126ba97 EC |
1707 | } |
1708 | } | |
1709 | ||
1710 | if (init_attr->send_cq) | |
09a7d9ec | 1711 | MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); |
e126ba97 EC |
1712 | |
1713 | if (init_attr->recv_cq) | |
09a7d9ec | 1714 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); |
e126ba97 | 1715 | |
09a7d9ec | 1716 | MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); |
e126ba97 | 1717 | |
09a7d9ec SM |
1718 | /* 0xffffff means we ask to work with cqe version 0 */ |
1719 | if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) | |
cfb5e088 | 1720 | MLX5_SET(qpc, qpc, user_index, uidx); |
09a7d9ec | 1721 | |
f0313965 ES |
1722 | /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ |
1723 | if (init_attr->qp_type == IB_QPT_UD && | |
1724 | (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { | |
f0313965 ES |
1725 | MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); |
1726 | qp->flags |= MLX5_IB_QP_LSO; | |
1727 | } | |
cfb5e088 | 1728 | |
0fb2ed66 | 1729 | if (init_attr->qp_type == IB_QPT_RAW_PACKET) { |
1730 | qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; | |
1731 | raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); | |
1732 | err = create_raw_packet_qp(dev, qp, in, pd); | |
1733 | } else { | |
1734 | err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); | |
1735 | } | |
1736 | ||
e126ba97 EC |
1737 | if (err) { |
1738 | mlx5_ib_dbg(dev, "create qp failed\n"); | |
1739 | goto err_create; | |
1740 | } | |
1741 | ||
479163f4 | 1742 | kvfree(in); |
e126ba97 | 1743 | |
19098df2 | 1744 | base->container_mibqp = qp; |
1745 | base->mqp.event = mlx5_ib_qp_event; | |
e126ba97 | 1746 | |
89ea94a7 MG |
1747 | get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, |
1748 | &send_cq, &recv_cq); | |
1749 | spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); | |
1750 | mlx5_ib_lock_cqs(send_cq, recv_cq); | |
1751 | /* Maintain device to QPs access, needed for further handling via reset | |
1752 | * flow | |
1753 | */ | |
1754 | list_add_tail(&qp->qps_list, &dev->qp_list); | |
1755 | /* Maintain CQ to QPs access, needed for further handling via reset flow | |
1756 | */ | |
1757 | if (send_cq) | |
1758 | list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); | |
1759 | if (recv_cq) | |
1760 | list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); | |
1761 | mlx5_ib_unlock_cqs(send_cq, recv_cq); | |
1762 | spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); | |
1763 | ||
e126ba97 EC |
1764 | return 0; |
1765 | ||
1766 | err_create: | |
1767 | if (qp->create_type == MLX5_QP_USER) | |
b037c29a | 1768 | destroy_qp_user(dev, pd, qp, base); |
e126ba97 EC |
1769 | else if (qp->create_type == MLX5_QP_KERNEL) |
1770 | destroy_qp_kernel(dev, qp); | |
1771 | ||
479163f4 | 1772 | kvfree(in); |
e126ba97 EC |
1773 | return err; |
1774 | } | |
1775 | ||
1776 | static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) | |
1777 | __acquires(&send_cq->lock) __acquires(&recv_cq->lock) | |
1778 | { | |
1779 | if (send_cq) { | |
1780 | if (recv_cq) { | |
1781 | if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { | |
89ea94a7 | 1782 | spin_lock(&send_cq->lock); |
e126ba97 EC |
1783 | spin_lock_nested(&recv_cq->lock, |
1784 | SINGLE_DEPTH_NESTING); | |
1785 | } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { | |
89ea94a7 | 1786 | spin_lock(&send_cq->lock); |
e126ba97 EC |
1787 | __acquire(&recv_cq->lock); |
1788 | } else { | |
89ea94a7 | 1789 | spin_lock(&recv_cq->lock); |
e126ba97 EC |
1790 | spin_lock_nested(&send_cq->lock, |
1791 | SINGLE_DEPTH_NESTING); | |
1792 | } | |
1793 | } else { | |
89ea94a7 | 1794 | spin_lock(&send_cq->lock); |
6a4f139a | 1795 | __acquire(&recv_cq->lock); |
e126ba97 EC |
1796 | } |
1797 | } else if (recv_cq) { | |
89ea94a7 | 1798 | spin_lock(&recv_cq->lock); |
6a4f139a EC |
1799 | __acquire(&send_cq->lock); |
1800 | } else { | |
1801 | __acquire(&send_cq->lock); | |
1802 | __acquire(&recv_cq->lock); | |
e126ba97 EC |
1803 | } |
1804 | } | |
1805 | ||
1806 | static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) | |
1807 | __releases(&send_cq->lock) __releases(&recv_cq->lock) | |
1808 | { | |
1809 | if (send_cq) { | |
1810 | if (recv_cq) { | |
1811 | if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { | |
1812 | spin_unlock(&recv_cq->lock); | |
89ea94a7 | 1813 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1814 | } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { |
1815 | __release(&recv_cq->lock); | |
89ea94a7 | 1816 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1817 | } else { |
1818 | spin_unlock(&send_cq->lock); | |
89ea94a7 | 1819 | spin_unlock(&recv_cq->lock); |
e126ba97 EC |
1820 | } |
1821 | } else { | |
6a4f139a | 1822 | __release(&recv_cq->lock); |
89ea94a7 | 1823 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1824 | } |
1825 | } else if (recv_cq) { | |
6a4f139a | 1826 | __release(&send_cq->lock); |
89ea94a7 | 1827 | spin_unlock(&recv_cq->lock); |
6a4f139a EC |
1828 | } else { |
1829 | __release(&recv_cq->lock); | |
1830 | __release(&send_cq->lock); | |
e126ba97 EC |
1831 | } |
1832 | } | |
1833 | ||
1834 | static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) | |
1835 | { | |
1836 | return to_mpd(qp->ibqp.pd); | |
1837 | } | |
1838 | ||
89ea94a7 MG |
1839 | static void get_cqs(enum ib_qp_type qp_type, |
1840 | struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, | |
e126ba97 EC |
1841 | struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) |
1842 | { | |
89ea94a7 | 1843 | switch (qp_type) { |
e126ba97 EC |
1844 | case IB_QPT_XRC_TGT: |
1845 | *send_cq = NULL; | |
1846 | *recv_cq = NULL; | |
1847 | break; | |
1848 | case MLX5_IB_QPT_REG_UMR: | |
1849 | case IB_QPT_XRC_INI: | |
89ea94a7 | 1850 | *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; |
e126ba97 EC |
1851 | *recv_cq = NULL; |
1852 | break; | |
1853 | ||
1854 | case IB_QPT_SMI: | |
d16e91da | 1855 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 EC |
1856 | case IB_QPT_RC: |
1857 | case IB_QPT_UC: | |
1858 | case IB_QPT_UD: | |
1859 | case IB_QPT_RAW_IPV6: | |
1860 | case IB_QPT_RAW_ETHERTYPE: | |
0fb2ed66 | 1861 | case IB_QPT_RAW_PACKET: |
89ea94a7 MG |
1862 | *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; |
1863 | *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; | |
e126ba97 EC |
1864 | break; |
1865 | ||
e126ba97 EC |
1866 | case IB_QPT_MAX: |
1867 | default: | |
1868 | *send_cq = NULL; | |
1869 | *recv_cq = NULL; | |
1870 | break; | |
1871 | } | |
1872 | } | |
1873 | ||
ad5f8e96 | 1874 | static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, |
13eab21f AH |
1875 | const struct mlx5_modify_raw_qp_param *raw_qp_param, |
1876 | u8 lag_tx_affinity); | |
ad5f8e96 | 1877 | |
e126ba97 EC |
1878 | static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) |
1879 | { | |
1880 | struct mlx5_ib_cq *send_cq, *recv_cq; | |
19098df2 | 1881 | struct mlx5_ib_qp_base *base = &qp->trans_qp.base; |
89ea94a7 | 1882 | unsigned long flags; |
e126ba97 EC |
1883 | int err; |
1884 | ||
28d61370 YH |
1885 | if (qp->ibqp.rwq_ind_tbl) { |
1886 | destroy_rss_raw_qp_tir(dev, qp); | |
1887 | return; | |
1888 | } | |
1889 | ||
0fb2ed66 | 1890 | base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? |
1891 | &qp->raw_packet_qp.rq.base : | |
1892 | &qp->trans_qp.base; | |
1893 | ||
6aec21f6 | 1894 | if (qp->state != IB_QPS_RESET) { |
ad5f8e96 | 1895 | if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { |
ad5f8e96 | 1896 | err = mlx5_core_qp_modify(dev->mdev, |
1a412fb1 SM |
1897 | MLX5_CMD_OP_2RST_QP, 0, |
1898 | NULL, &base->mqp); | |
ad5f8e96 | 1899 | } else { |
0680efa2 AV |
1900 | struct mlx5_modify_raw_qp_param raw_qp_param = { |
1901 | .operation = MLX5_CMD_OP_2RST_QP | |
1902 | }; | |
1903 | ||
13eab21f | 1904 | err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); |
ad5f8e96 | 1905 | } |
1906 | if (err) | |
427c1e7b | 1907 | mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", |
19098df2 | 1908 | base->mqp.qpn); |
6aec21f6 | 1909 | } |
e126ba97 | 1910 | |
89ea94a7 MG |
1911 | get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, |
1912 | &send_cq, &recv_cq); | |
1913 | ||
1914 | spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); | |
1915 | mlx5_ib_lock_cqs(send_cq, recv_cq); | |
1916 | /* del from lists under both locks above to protect reset flow paths */ | |
1917 | list_del(&qp->qps_list); | |
1918 | if (send_cq) | |
1919 | list_del(&qp->cq_send_list); | |
1920 | ||
1921 | if (recv_cq) | |
1922 | list_del(&qp->cq_recv_list); | |
e126ba97 EC |
1923 | |
1924 | if (qp->create_type == MLX5_QP_KERNEL) { | |
19098df2 | 1925 | __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, |
e126ba97 EC |
1926 | qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); |
1927 | if (send_cq != recv_cq) | |
19098df2 | 1928 | __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, |
1929 | NULL); | |
e126ba97 | 1930 | } |
89ea94a7 MG |
1931 | mlx5_ib_unlock_cqs(send_cq, recv_cq); |
1932 | spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); | |
e126ba97 | 1933 | |
0fb2ed66 | 1934 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { |
1935 | destroy_raw_packet_qp(dev, qp); | |
1936 | } else { | |
1937 | err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); | |
1938 | if (err) | |
1939 | mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", | |
1940 | base->mqp.qpn); | |
1941 | } | |
e126ba97 | 1942 | |
e126ba97 EC |
1943 | if (qp->create_type == MLX5_QP_KERNEL) |
1944 | destroy_qp_kernel(dev, qp); | |
1945 | else if (qp->create_type == MLX5_QP_USER) | |
b037c29a | 1946 | destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); |
e126ba97 EC |
1947 | } |
1948 | ||
1949 | static const char *ib_qp_type_str(enum ib_qp_type type) | |
1950 | { | |
1951 | switch (type) { | |
1952 | case IB_QPT_SMI: | |
1953 | return "IB_QPT_SMI"; | |
1954 | case IB_QPT_GSI: | |
1955 | return "IB_QPT_GSI"; | |
1956 | case IB_QPT_RC: | |
1957 | return "IB_QPT_RC"; | |
1958 | case IB_QPT_UC: | |
1959 | return "IB_QPT_UC"; | |
1960 | case IB_QPT_UD: | |
1961 | return "IB_QPT_UD"; | |
1962 | case IB_QPT_RAW_IPV6: | |
1963 | return "IB_QPT_RAW_IPV6"; | |
1964 | case IB_QPT_RAW_ETHERTYPE: | |
1965 | return "IB_QPT_RAW_ETHERTYPE"; | |
1966 | case IB_QPT_XRC_INI: | |
1967 | return "IB_QPT_XRC_INI"; | |
1968 | case IB_QPT_XRC_TGT: | |
1969 | return "IB_QPT_XRC_TGT"; | |
1970 | case IB_QPT_RAW_PACKET: | |
1971 | return "IB_QPT_RAW_PACKET"; | |
1972 | case MLX5_IB_QPT_REG_UMR: | |
1973 | return "MLX5_IB_QPT_REG_UMR"; | |
1974 | case IB_QPT_MAX: | |
1975 | default: | |
1976 | return "Invalid QP type"; | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, | |
1981 | struct ib_qp_init_attr *init_attr, | |
1982 | struct ib_udata *udata) | |
1983 | { | |
1984 | struct mlx5_ib_dev *dev; | |
1985 | struct mlx5_ib_qp *qp; | |
1986 | u16 xrcdn = 0; | |
1987 | int err; | |
1988 | ||
1989 | if (pd) { | |
1990 | dev = to_mdev(pd->device); | |
0fb2ed66 | 1991 | |
1992 | if (init_attr->qp_type == IB_QPT_RAW_PACKET) { | |
1993 | if (!pd->uobject) { | |
1994 | mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); | |
1995 | return ERR_PTR(-EINVAL); | |
1996 | } else if (!to_mucontext(pd->uobject->context)->cqe_version) { | |
1997 | mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); | |
1998 | return ERR_PTR(-EINVAL); | |
1999 | } | |
2000 | } | |
09f16cf5 MD |
2001 | } else { |
2002 | /* being cautious here */ | |
2003 | if (init_attr->qp_type != IB_QPT_XRC_TGT && | |
2004 | init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { | |
2005 | pr_warn("%s: no PD for transport %s\n", __func__, | |
2006 | ib_qp_type_str(init_attr->qp_type)); | |
2007 | return ERR_PTR(-EINVAL); | |
2008 | } | |
2009 | dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); | |
e126ba97 EC |
2010 | } |
2011 | ||
2012 | switch (init_attr->qp_type) { | |
2013 | case IB_QPT_XRC_TGT: | |
2014 | case IB_QPT_XRC_INI: | |
938fe83c | 2015 | if (!MLX5_CAP_GEN(dev->mdev, xrc)) { |
e126ba97 EC |
2016 | mlx5_ib_dbg(dev, "XRC not supported\n"); |
2017 | return ERR_PTR(-ENOSYS); | |
2018 | } | |
2019 | init_attr->recv_cq = NULL; | |
2020 | if (init_attr->qp_type == IB_QPT_XRC_TGT) { | |
2021 | xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; | |
2022 | init_attr->send_cq = NULL; | |
2023 | } | |
2024 | ||
2025 | /* fall through */ | |
0fb2ed66 | 2026 | case IB_QPT_RAW_PACKET: |
e126ba97 EC |
2027 | case IB_QPT_RC: |
2028 | case IB_QPT_UC: | |
2029 | case IB_QPT_UD: | |
2030 | case IB_QPT_SMI: | |
d16e91da | 2031 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 EC |
2032 | case MLX5_IB_QPT_REG_UMR: |
2033 | qp = kzalloc(sizeof(*qp), GFP_KERNEL); | |
2034 | if (!qp) | |
2035 | return ERR_PTR(-ENOMEM); | |
2036 | ||
2037 | err = create_qp_common(dev, pd, init_attr, udata, qp); | |
2038 | if (err) { | |
2039 | mlx5_ib_dbg(dev, "create_qp_common failed\n"); | |
2040 | kfree(qp); | |
2041 | return ERR_PTR(err); | |
2042 | } | |
2043 | ||
2044 | if (is_qp0(init_attr->qp_type)) | |
2045 | qp->ibqp.qp_num = 0; | |
2046 | else if (is_qp1(init_attr->qp_type)) | |
2047 | qp->ibqp.qp_num = 1; | |
2048 | else | |
19098df2 | 2049 | qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; |
e126ba97 EC |
2050 | |
2051 | mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", | |
19098df2 | 2052 | qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, |
a1ab8402 EC |
2053 | init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, |
2054 | init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); | |
e126ba97 | 2055 | |
19098df2 | 2056 | qp->trans_qp.xrcdn = xrcdn; |
e126ba97 EC |
2057 | |
2058 | break; | |
2059 | ||
d16e91da HE |
2060 | case IB_QPT_GSI: |
2061 | return mlx5_ib_gsi_create_qp(pd, init_attr); | |
2062 | ||
e126ba97 EC |
2063 | case IB_QPT_RAW_IPV6: |
2064 | case IB_QPT_RAW_ETHERTYPE: | |
e126ba97 EC |
2065 | case IB_QPT_MAX: |
2066 | default: | |
2067 | mlx5_ib_dbg(dev, "unsupported qp type %d\n", | |
2068 | init_attr->qp_type); | |
2069 | /* Don't support raw QPs */ | |
2070 | return ERR_PTR(-EINVAL); | |
2071 | } | |
2072 | ||
2073 | return &qp->ibqp; | |
2074 | } | |
2075 | ||
2076 | int mlx5_ib_destroy_qp(struct ib_qp *qp) | |
2077 | { | |
2078 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
2079 | struct mlx5_ib_qp *mqp = to_mqp(qp); | |
2080 | ||
d16e91da HE |
2081 | if (unlikely(qp->qp_type == IB_QPT_GSI)) |
2082 | return mlx5_ib_gsi_destroy_qp(qp); | |
2083 | ||
e126ba97 EC |
2084 | destroy_qp_common(dev, mqp); |
2085 | ||
2086 | kfree(mqp); | |
2087 | ||
2088 | return 0; | |
2089 | } | |
2090 | ||
2091 | static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, | |
2092 | int attr_mask) | |
2093 | { | |
2094 | u32 hw_access_flags = 0; | |
2095 | u8 dest_rd_atomic; | |
2096 | u32 access_flags; | |
2097 | ||
2098 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) | |
2099 | dest_rd_atomic = attr->max_dest_rd_atomic; | |
2100 | else | |
19098df2 | 2101 | dest_rd_atomic = qp->trans_qp.resp_depth; |
e126ba97 EC |
2102 | |
2103 | if (attr_mask & IB_QP_ACCESS_FLAGS) | |
2104 | access_flags = attr->qp_access_flags; | |
2105 | else | |
19098df2 | 2106 | access_flags = qp->trans_qp.atomic_rd_en; |
e126ba97 EC |
2107 | |
2108 | if (!dest_rd_atomic) | |
2109 | access_flags &= IB_ACCESS_REMOTE_WRITE; | |
2110 | ||
2111 | if (access_flags & IB_ACCESS_REMOTE_READ) | |
2112 | hw_access_flags |= MLX5_QP_BIT_RRE; | |
2113 | if (access_flags & IB_ACCESS_REMOTE_ATOMIC) | |
2114 | hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); | |
2115 | if (access_flags & IB_ACCESS_REMOTE_WRITE) | |
2116 | hw_access_flags |= MLX5_QP_BIT_RWE; | |
2117 | ||
2118 | return cpu_to_be32(hw_access_flags); | |
2119 | } | |
2120 | ||
2121 | enum { | |
2122 | MLX5_PATH_FLAG_FL = 1 << 0, | |
2123 | MLX5_PATH_FLAG_FREE_AR = 1 << 1, | |
2124 | MLX5_PATH_FLAG_COUNTER = 1 << 2, | |
2125 | }; | |
2126 | ||
2127 | static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) | |
2128 | { | |
2129 | if (rate == IB_RATE_PORT_CURRENT) { | |
2130 | return 0; | |
2131 | } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { | |
2132 | return -EINVAL; | |
2133 | } else { | |
2134 | while (rate != IB_RATE_2_5_GBPS && | |
2135 | !(1 << (rate + MLX5_STAT_RATE_OFFSET) & | |
938fe83c | 2136 | MLX5_CAP_GEN(dev->mdev, stat_rate_support))) |
e126ba97 EC |
2137 | --rate; |
2138 | } | |
2139 | ||
2140 | return rate + MLX5_STAT_RATE_OFFSET; | |
2141 | } | |
2142 | ||
75850d0b | 2143 | static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, |
2144 | struct mlx5_ib_sq *sq, u8 sl) | |
2145 | { | |
2146 | void *in; | |
2147 | void *tisc; | |
2148 | int inlen; | |
2149 | int err; | |
2150 | ||
2151 | inlen = MLX5_ST_SZ_BYTES(modify_tis_in); | |
2152 | in = mlx5_vzalloc(inlen); | |
2153 | if (!in) | |
2154 | return -ENOMEM; | |
2155 | ||
2156 | MLX5_SET(modify_tis_in, in, bitmask.prio, 1); | |
2157 | ||
2158 | tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); | |
2159 | MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); | |
2160 | ||
2161 | err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); | |
2162 | ||
2163 | kvfree(in); | |
2164 | ||
2165 | return err; | |
2166 | } | |
2167 | ||
13eab21f AH |
2168 | static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, |
2169 | struct mlx5_ib_sq *sq, u8 tx_affinity) | |
2170 | { | |
2171 | void *in; | |
2172 | void *tisc; | |
2173 | int inlen; | |
2174 | int err; | |
2175 | ||
2176 | inlen = MLX5_ST_SZ_BYTES(modify_tis_in); | |
2177 | in = mlx5_vzalloc(inlen); | |
2178 | if (!in) | |
2179 | return -ENOMEM; | |
2180 | ||
2181 | MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); | |
2182 | ||
2183 | tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); | |
2184 | MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); | |
2185 | ||
2186 | err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); | |
2187 | ||
2188 | kvfree(in); | |
2189 | ||
2190 | return err; | |
2191 | } | |
2192 | ||
75850d0b | 2193 | static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, |
2194 | const struct ib_ah_attr *ah, | |
e126ba97 | 2195 | struct mlx5_qp_path *path, u8 port, int attr_mask, |
f879ee8d AS |
2196 | u32 path_flags, const struct ib_qp_attr *attr, |
2197 | bool alt) | |
e126ba97 | 2198 | { |
2811ba51 | 2199 | enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); |
e126ba97 EC |
2200 | int err; |
2201 | ||
e126ba97 | 2202 | if (attr_mask & IB_QP_PKEY_INDEX) |
f879ee8d AS |
2203 | path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : |
2204 | attr->pkey_index); | |
e126ba97 | 2205 | |
e126ba97 | 2206 | if (ah->ah_flags & IB_AH_GRH) { |
938fe83c SM |
2207 | if (ah->grh.sgid_index >= |
2208 | dev->mdev->port_caps[port - 1].gid_table_len) { | |
f4f01b54 | 2209 | pr_err("sgid_index (%u) too large. max is %d\n", |
938fe83c SM |
2210 | ah->grh.sgid_index, |
2211 | dev->mdev->port_caps[port - 1].gid_table_len); | |
f83b4263 EC |
2212 | return -EINVAL; |
2213 | } | |
2811ba51 AS |
2214 | } |
2215 | ||
2216 | if (ll == IB_LINK_LAYER_ETHERNET) { | |
2217 | if (!(ah->ah_flags & IB_AH_GRH)) | |
2218 | return -EINVAL; | |
2219 | memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); | |
2220 | path->udp_sport = mlx5_get_roce_udp_sport(dev, port, | |
2221 | ah->grh.sgid_index); | |
2222 | path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; | |
2223 | } else { | |
d3ae2bde NO |
2224 | path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; |
2225 | path->fl_free_ar |= | |
2226 | (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; | |
2811ba51 AS |
2227 | path->rlid = cpu_to_be16(ah->dlid); |
2228 | path->grh_mlid = ah->src_path_bits & 0x7f; | |
2229 | if (ah->ah_flags & IB_AH_GRH) | |
2230 | path->grh_mlid |= 1 << 7; | |
2231 | path->dci_cfi_prio_sl = ah->sl & 0xf; | |
2232 | } | |
2233 | ||
2234 | if (ah->ah_flags & IB_AH_GRH) { | |
e126ba97 EC |
2235 | path->mgid_index = ah->grh.sgid_index; |
2236 | path->hop_limit = ah->grh.hop_limit; | |
2237 | path->tclass_flowlabel = | |
2238 | cpu_to_be32((ah->grh.traffic_class << 20) | | |
2239 | (ah->grh.flow_label)); | |
2240 | memcpy(path->rgid, ah->grh.dgid.raw, 16); | |
2241 | } | |
2242 | ||
2243 | err = ib_rate_to_mlx5(dev, ah->static_rate); | |
2244 | if (err < 0) | |
2245 | return err; | |
2246 | path->static_rate = err; | |
2247 | path->port = port; | |
2248 | ||
e126ba97 | 2249 | if (attr_mask & IB_QP_TIMEOUT) |
f879ee8d | 2250 | path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; |
e126ba97 | 2251 | |
75850d0b | 2252 | if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) |
2253 | return modify_raw_packet_eth_prio(dev->mdev, | |
2254 | &qp->raw_packet_qp.sq, | |
2255 | ah->sl & 0xf); | |
2256 | ||
e126ba97 EC |
2257 | return 0; |
2258 | } | |
2259 | ||
2260 | static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { | |
2261 | [MLX5_QP_STATE_INIT] = { | |
2262 | [MLX5_QP_STATE_INIT] = { | |
2263 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | | |
2264 | MLX5_QP_OPTPAR_RAE | | |
2265 | MLX5_QP_OPTPAR_RWE | | |
2266 | MLX5_QP_OPTPAR_PKEY_INDEX | | |
2267 | MLX5_QP_OPTPAR_PRI_PORT, | |
2268 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | | |
2269 | MLX5_QP_OPTPAR_PKEY_INDEX | | |
2270 | MLX5_QP_OPTPAR_PRI_PORT, | |
2271 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2272 | MLX5_QP_OPTPAR_Q_KEY | | |
2273 | MLX5_QP_OPTPAR_PRI_PORT, | |
2274 | }, | |
2275 | [MLX5_QP_STATE_RTR] = { | |
2276 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2277 | MLX5_QP_OPTPAR_RRE | | |
2278 | MLX5_QP_OPTPAR_RAE | | |
2279 | MLX5_QP_OPTPAR_RWE | | |
2280 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
2281 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2282 | MLX5_QP_OPTPAR_RWE | | |
2283 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
2284 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2285 | MLX5_QP_OPTPAR_Q_KEY, | |
2286 | [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2287 | MLX5_QP_OPTPAR_Q_KEY, | |
a4774e90 EC |
2288 | [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | |
2289 | MLX5_QP_OPTPAR_RRE | | |
2290 | MLX5_QP_OPTPAR_RAE | | |
2291 | MLX5_QP_OPTPAR_RWE | | |
2292 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
e126ba97 EC |
2293 | }, |
2294 | }, | |
2295 | [MLX5_QP_STATE_RTR] = { | |
2296 | [MLX5_QP_STATE_RTS] = { | |
2297 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2298 | MLX5_QP_OPTPAR_RRE | | |
2299 | MLX5_QP_OPTPAR_RAE | | |
2300 | MLX5_QP_OPTPAR_RWE | | |
2301 | MLX5_QP_OPTPAR_PM_STATE | | |
2302 | MLX5_QP_OPTPAR_RNR_TIMEOUT, | |
2303 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2304 | MLX5_QP_OPTPAR_RWE | | |
2305 | MLX5_QP_OPTPAR_PM_STATE, | |
2306 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, | |
2307 | }, | |
2308 | }, | |
2309 | [MLX5_QP_STATE_RTS] = { | |
2310 | [MLX5_QP_STATE_RTS] = { | |
2311 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | | |
2312 | MLX5_QP_OPTPAR_RAE | | |
2313 | MLX5_QP_OPTPAR_RWE | | |
2314 | MLX5_QP_OPTPAR_RNR_TIMEOUT | | |
c2a3431e EC |
2315 | MLX5_QP_OPTPAR_PM_STATE | |
2316 | MLX5_QP_OPTPAR_ALT_ADDR_PATH, | |
e126ba97 | 2317 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | |
c2a3431e EC |
2318 | MLX5_QP_OPTPAR_PM_STATE | |
2319 | MLX5_QP_OPTPAR_ALT_ADDR_PATH, | |
e126ba97 EC |
2320 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | |
2321 | MLX5_QP_OPTPAR_SRQN | | |
2322 | MLX5_QP_OPTPAR_CQN_RCV, | |
2323 | }, | |
2324 | }, | |
2325 | [MLX5_QP_STATE_SQER] = { | |
2326 | [MLX5_QP_STATE_RTS] = { | |
2327 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, | |
2328 | [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, | |
75959f56 | 2329 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, |
a4774e90 EC |
2330 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | |
2331 | MLX5_QP_OPTPAR_RWE | | |
2332 | MLX5_QP_OPTPAR_RAE | | |
2333 | MLX5_QP_OPTPAR_RRE, | |
e126ba97 EC |
2334 | }, |
2335 | }, | |
2336 | }; | |
2337 | ||
2338 | static int ib_nr_to_mlx5_nr(int ib_mask) | |
2339 | { | |
2340 | switch (ib_mask) { | |
2341 | case IB_QP_STATE: | |
2342 | return 0; | |
2343 | case IB_QP_CUR_STATE: | |
2344 | return 0; | |
2345 | case IB_QP_EN_SQD_ASYNC_NOTIFY: | |
2346 | return 0; | |
2347 | case IB_QP_ACCESS_FLAGS: | |
2348 | return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | | |
2349 | MLX5_QP_OPTPAR_RAE; | |
2350 | case IB_QP_PKEY_INDEX: | |
2351 | return MLX5_QP_OPTPAR_PKEY_INDEX; | |
2352 | case IB_QP_PORT: | |
2353 | return MLX5_QP_OPTPAR_PRI_PORT; | |
2354 | case IB_QP_QKEY: | |
2355 | return MLX5_QP_OPTPAR_Q_KEY; | |
2356 | case IB_QP_AV: | |
2357 | return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | | |
2358 | MLX5_QP_OPTPAR_PRI_PORT; | |
2359 | case IB_QP_PATH_MTU: | |
2360 | return 0; | |
2361 | case IB_QP_TIMEOUT: | |
2362 | return MLX5_QP_OPTPAR_ACK_TIMEOUT; | |
2363 | case IB_QP_RETRY_CNT: | |
2364 | return MLX5_QP_OPTPAR_RETRY_COUNT; | |
2365 | case IB_QP_RNR_RETRY: | |
2366 | return MLX5_QP_OPTPAR_RNR_RETRY; | |
2367 | case IB_QP_RQ_PSN: | |
2368 | return 0; | |
2369 | case IB_QP_MAX_QP_RD_ATOMIC: | |
2370 | return MLX5_QP_OPTPAR_SRA_MAX; | |
2371 | case IB_QP_ALT_PATH: | |
2372 | return MLX5_QP_OPTPAR_ALT_ADDR_PATH; | |
2373 | case IB_QP_MIN_RNR_TIMER: | |
2374 | return MLX5_QP_OPTPAR_RNR_TIMEOUT; | |
2375 | case IB_QP_SQ_PSN: | |
2376 | return 0; | |
2377 | case IB_QP_MAX_DEST_RD_ATOMIC: | |
2378 | return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | | |
2379 | MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; | |
2380 | case IB_QP_PATH_MIG_STATE: | |
2381 | return MLX5_QP_OPTPAR_PM_STATE; | |
2382 | case IB_QP_CAP: | |
2383 | return 0; | |
2384 | case IB_QP_DEST_QPN: | |
2385 | return 0; | |
2386 | } | |
2387 | return 0; | |
2388 | } | |
2389 | ||
2390 | static int ib_mask_to_mlx5_opt(int ib_mask) | |
2391 | { | |
2392 | int result = 0; | |
2393 | int i; | |
2394 | ||
2395 | for (i = 0; i < 8 * sizeof(int); i++) { | |
2396 | if ((1 << i) & ib_mask) | |
2397 | result |= ib_nr_to_mlx5_nr(1 << i); | |
2398 | } | |
2399 | ||
2400 | return result; | |
2401 | } | |
2402 | ||
eb49ab0c AV |
2403 | static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, |
2404 | struct mlx5_ib_rq *rq, int new_state, | |
2405 | const struct mlx5_modify_raw_qp_param *raw_qp_param) | |
ad5f8e96 | 2406 | { |
2407 | void *in; | |
2408 | void *rqc; | |
2409 | int inlen; | |
2410 | int err; | |
2411 | ||
2412 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
2413 | in = mlx5_vzalloc(inlen); | |
2414 | if (!in) | |
2415 | return -ENOMEM; | |
2416 | ||
2417 | MLX5_SET(modify_rq_in, in, rq_state, rq->state); | |
2418 | ||
2419 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
2420 | MLX5_SET(rqc, rqc, state, new_state); | |
2421 | ||
eb49ab0c AV |
2422 | if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { |
2423 | if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { | |
2424 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
2425 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_MODIFY_RQ_COUNTER_SET_ID); | |
2426 | MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); | |
2427 | } else | |
2428 | pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", | |
2429 | dev->ib_dev.name); | |
2430 | } | |
2431 | ||
2432 | err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); | |
ad5f8e96 | 2433 | if (err) |
2434 | goto out; | |
2435 | ||
2436 | rq->state = new_state; | |
2437 | ||
2438 | out: | |
2439 | kvfree(in); | |
2440 | return err; | |
2441 | } | |
2442 | ||
2443 | static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, | |
7d29f349 BW |
2444 | struct mlx5_ib_sq *sq, |
2445 | int new_state, | |
2446 | const struct mlx5_modify_raw_qp_param *raw_qp_param) | |
ad5f8e96 | 2447 | { |
7d29f349 BW |
2448 | struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; |
2449 | u32 old_rate = ibqp->rate_limit; | |
2450 | u32 new_rate = old_rate; | |
2451 | u16 rl_index = 0; | |
ad5f8e96 | 2452 | void *in; |
2453 | void *sqc; | |
2454 | int inlen; | |
2455 | int err; | |
2456 | ||
2457 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
2458 | in = mlx5_vzalloc(inlen); | |
2459 | if (!in) | |
2460 | return -ENOMEM; | |
2461 | ||
2462 | MLX5_SET(modify_sq_in, in, sq_state, sq->state); | |
2463 | ||
2464 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
2465 | MLX5_SET(sqc, sqc, state, new_state); | |
2466 | ||
7d29f349 BW |
2467 | if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { |
2468 | if (new_state != MLX5_SQC_STATE_RDY) | |
2469 | pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", | |
2470 | __func__); | |
2471 | else | |
2472 | new_rate = raw_qp_param->rate_limit; | |
2473 | } | |
2474 | ||
2475 | if (old_rate != new_rate) { | |
2476 | if (new_rate) { | |
2477 | err = mlx5_rl_add_rate(dev, new_rate, &rl_index); | |
2478 | if (err) { | |
2479 | pr_err("Failed configuring rate %u: %d\n", | |
2480 | new_rate, err); | |
2481 | goto out; | |
2482 | } | |
2483 | } | |
2484 | ||
2485 | MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); | |
2486 | MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); | |
2487 | } | |
2488 | ||
ad5f8e96 | 2489 | err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); |
7d29f349 BW |
2490 | if (err) { |
2491 | /* Remove new rate from table if failed */ | |
2492 | if (new_rate && | |
2493 | old_rate != new_rate) | |
2494 | mlx5_rl_remove_rate(dev, new_rate); | |
ad5f8e96 | 2495 | goto out; |
7d29f349 BW |
2496 | } |
2497 | ||
2498 | /* Only remove the old rate after new rate was set */ | |
2499 | if ((old_rate && | |
2500 | (old_rate != new_rate)) || | |
2501 | (new_state != MLX5_SQC_STATE_RDY)) | |
2502 | mlx5_rl_remove_rate(dev, old_rate); | |
ad5f8e96 | 2503 | |
7d29f349 | 2504 | ibqp->rate_limit = new_rate; |
ad5f8e96 | 2505 | sq->state = new_state; |
2506 | ||
2507 | out: | |
2508 | kvfree(in); | |
2509 | return err; | |
2510 | } | |
2511 | ||
2512 | static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
13eab21f AH |
2513 | const struct mlx5_modify_raw_qp_param *raw_qp_param, |
2514 | u8 tx_affinity) | |
ad5f8e96 | 2515 | { |
2516 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
2517 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
2518 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
7d29f349 BW |
2519 | int modify_rq = !!qp->rq.wqe_cnt; |
2520 | int modify_sq = !!qp->sq.wqe_cnt; | |
ad5f8e96 | 2521 | int rq_state; |
2522 | int sq_state; | |
2523 | int err; | |
2524 | ||
0680efa2 | 2525 | switch (raw_qp_param->operation) { |
ad5f8e96 | 2526 | case MLX5_CMD_OP_RST2INIT_QP: |
2527 | rq_state = MLX5_RQC_STATE_RDY; | |
2528 | sq_state = MLX5_SQC_STATE_RDY; | |
2529 | break; | |
2530 | case MLX5_CMD_OP_2ERR_QP: | |
2531 | rq_state = MLX5_RQC_STATE_ERR; | |
2532 | sq_state = MLX5_SQC_STATE_ERR; | |
2533 | break; | |
2534 | case MLX5_CMD_OP_2RST_QP: | |
2535 | rq_state = MLX5_RQC_STATE_RST; | |
2536 | sq_state = MLX5_SQC_STATE_RST; | |
2537 | break; | |
ad5f8e96 | 2538 | case MLX5_CMD_OP_RTR2RTS_QP: |
2539 | case MLX5_CMD_OP_RTS2RTS_QP: | |
7d29f349 BW |
2540 | if (raw_qp_param->set_mask == |
2541 | MLX5_RAW_QP_RATE_LIMIT) { | |
2542 | modify_rq = 0; | |
2543 | sq_state = sq->state; | |
2544 | } else { | |
2545 | return raw_qp_param->set_mask ? -EINVAL : 0; | |
2546 | } | |
2547 | break; | |
2548 | case MLX5_CMD_OP_INIT2INIT_QP: | |
2549 | case MLX5_CMD_OP_INIT2RTR_QP: | |
eb49ab0c AV |
2550 | if (raw_qp_param->set_mask) |
2551 | return -EINVAL; | |
2552 | else | |
2553 | return 0; | |
ad5f8e96 | 2554 | default: |
2555 | WARN_ON(1); | |
2556 | return -EINVAL; | |
2557 | } | |
2558 | ||
7d29f349 BW |
2559 | if (modify_rq) { |
2560 | err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); | |
ad5f8e96 | 2561 | if (err) |
2562 | return err; | |
2563 | } | |
2564 | ||
7d29f349 | 2565 | if (modify_sq) { |
13eab21f AH |
2566 | if (tx_affinity) { |
2567 | err = modify_raw_packet_tx_affinity(dev->mdev, sq, | |
2568 | tx_affinity); | |
2569 | if (err) | |
2570 | return err; | |
2571 | } | |
2572 | ||
7d29f349 | 2573 | return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); |
13eab21f | 2574 | } |
ad5f8e96 | 2575 | |
2576 | return 0; | |
2577 | } | |
2578 | ||
e126ba97 EC |
2579 | static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, |
2580 | const struct ib_qp_attr *attr, int attr_mask, | |
2581 | enum ib_qp_state cur_state, enum ib_qp_state new_state) | |
2582 | { | |
427c1e7b | 2583 | static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { |
2584 | [MLX5_QP_STATE_RST] = { | |
2585 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2586 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2587 | [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, | |
2588 | }, | |
2589 | [MLX5_QP_STATE_INIT] = { | |
2590 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2591 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2592 | [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, | |
2593 | [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, | |
2594 | }, | |
2595 | [MLX5_QP_STATE_RTR] = { | |
2596 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2597 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2598 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, | |
2599 | }, | |
2600 | [MLX5_QP_STATE_RTS] = { | |
2601 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2602 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2603 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, | |
2604 | }, | |
2605 | [MLX5_QP_STATE_SQD] = { | |
2606 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2607 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2608 | }, | |
2609 | [MLX5_QP_STATE_SQER] = { | |
2610 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2611 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2612 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, | |
2613 | }, | |
2614 | [MLX5_QP_STATE_ERR] = { | |
2615 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2616 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2617 | } | |
2618 | }; | |
2619 | ||
e126ba97 EC |
2620 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
2621 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
19098df2 | 2622 | struct mlx5_ib_qp_base *base = &qp->trans_qp.base; |
e126ba97 EC |
2623 | struct mlx5_ib_cq *send_cq, *recv_cq; |
2624 | struct mlx5_qp_context *context; | |
e126ba97 | 2625 | struct mlx5_ib_pd *pd; |
eb49ab0c | 2626 | struct mlx5_ib_port *mibport = NULL; |
e126ba97 EC |
2627 | enum mlx5_qp_state mlx5_cur, mlx5_new; |
2628 | enum mlx5_qp_optpar optpar; | |
e126ba97 EC |
2629 | int mlx5_st; |
2630 | int err; | |
427c1e7b | 2631 | u16 op; |
13eab21f | 2632 | u8 tx_affinity = 0; |
e126ba97 | 2633 | |
1a412fb1 SM |
2634 | context = kzalloc(sizeof(*context), GFP_KERNEL); |
2635 | if (!context) | |
e126ba97 EC |
2636 | return -ENOMEM; |
2637 | ||
e126ba97 | 2638 | err = to_mlx5_st(ibqp->qp_type); |
158abf86 HE |
2639 | if (err < 0) { |
2640 | mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); | |
e126ba97 | 2641 | goto out; |
158abf86 | 2642 | } |
e126ba97 EC |
2643 | |
2644 | context->flags = cpu_to_be32(err << 16); | |
2645 | ||
2646 | if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { | |
2647 | context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); | |
2648 | } else { | |
2649 | switch (attr->path_mig_state) { | |
2650 | case IB_MIG_MIGRATED: | |
2651 | context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); | |
2652 | break; | |
2653 | case IB_MIG_REARM: | |
2654 | context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); | |
2655 | break; | |
2656 | case IB_MIG_ARMED: | |
2657 | context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); | |
2658 | break; | |
2659 | } | |
2660 | } | |
2661 | ||
13eab21f AH |
2662 | if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { |
2663 | if ((ibqp->qp_type == IB_QPT_RC) || | |
2664 | (ibqp->qp_type == IB_QPT_UD && | |
2665 | !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || | |
2666 | (ibqp->qp_type == IB_QPT_UC) || | |
2667 | (ibqp->qp_type == IB_QPT_RAW_PACKET) || | |
2668 | (ibqp->qp_type == IB_QPT_XRC_INI) || | |
2669 | (ibqp->qp_type == IB_QPT_XRC_TGT)) { | |
2670 | if (mlx5_lag_is_active(dev->mdev)) { | |
2671 | tx_affinity = (unsigned int)atomic_add_return(1, | |
2672 | &dev->roce.next_port) % | |
2673 | MLX5_MAX_PORTS + 1; | |
2674 | context->flags |= cpu_to_be32(tx_affinity << 24); | |
2675 | } | |
2676 | } | |
2677 | } | |
2678 | ||
d16e91da | 2679 | if (is_sqp(ibqp->qp_type)) { |
e126ba97 EC |
2680 | context->mtu_msgmax = (IB_MTU_256 << 5) | 8; |
2681 | } else if (ibqp->qp_type == IB_QPT_UD || | |
2682 | ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { | |
2683 | context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; | |
2684 | } else if (attr_mask & IB_QP_PATH_MTU) { | |
2685 | if (attr->path_mtu < IB_MTU_256 || | |
2686 | attr->path_mtu > IB_MTU_4096) { | |
2687 | mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); | |
2688 | err = -EINVAL; | |
2689 | goto out; | |
2690 | } | |
938fe83c SM |
2691 | context->mtu_msgmax = (attr->path_mtu << 5) | |
2692 | (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
e126ba97 EC |
2693 | } |
2694 | ||
2695 | if (attr_mask & IB_QP_DEST_QPN) | |
2696 | context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); | |
2697 | ||
2698 | if (attr_mask & IB_QP_PKEY_INDEX) | |
d3ae2bde | 2699 | context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); |
e126ba97 EC |
2700 | |
2701 | /* todo implement counter_index functionality */ | |
2702 | ||
2703 | if (is_sqp(ibqp->qp_type)) | |
2704 | context->pri_path.port = qp->port; | |
2705 | ||
2706 | if (attr_mask & IB_QP_PORT) | |
2707 | context->pri_path.port = attr->port_num; | |
2708 | ||
2709 | if (attr_mask & IB_QP_AV) { | |
75850d0b | 2710 | err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, |
e126ba97 | 2711 | attr_mask & IB_QP_PORT ? attr->port_num : qp->port, |
f879ee8d | 2712 | attr_mask, 0, attr, false); |
e126ba97 EC |
2713 | if (err) |
2714 | goto out; | |
2715 | } | |
2716 | ||
2717 | if (attr_mask & IB_QP_TIMEOUT) | |
2718 | context->pri_path.ackto_lt |= attr->timeout << 3; | |
2719 | ||
2720 | if (attr_mask & IB_QP_ALT_PATH) { | |
75850d0b | 2721 | err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, |
2722 | &context->alt_path, | |
f879ee8d AS |
2723 | attr->alt_port_num, |
2724 | attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, | |
2725 | 0, attr, true); | |
e126ba97 EC |
2726 | if (err) |
2727 | goto out; | |
2728 | } | |
2729 | ||
2730 | pd = get_pd(qp); | |
89ea94a7 MG |
2731 | get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, |
2732 | &send_cq, &recv_cq); | |
e126ba97 EC |
2733 | |
2734 | context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); | |
2735 | context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; | |
2736 | context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; | |
2737 | context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); | |
2738 | ||
2739 | if (attr_mask & IB_QP_RNR_RETRY) | |
2740 | context->params1 |= cpu_to_be32(attr->rnr_retry << 13); | |
2741 | ||
2742 | if (attr_mask & IB_QP_RETRY_CNT) | |
2743 | context->params1 |= cpu_to_be32(attr->retry_cnt << 16); | |
2744 | ||
2745 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { | |
2746 | if (attr->max_rd_atomic) | |
2747 | context->params1 |= | |
2748 | cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); | |
2749 | } | |
2750 | ||
2751 | if (attr_mask & IB_QP_SQ_PSN) | |
2752 | context->next_send_psn = cpu_to_be32(attr->sq_psn); | |
2753 | ||
2754 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { | |
2755 | if (attr->max_dest_rd_atomic) | |
2756 | context->params2 |= | |
2757 | cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); | |
2758 | } | |
2759 | ||
2760 | if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) | |
2761 | context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); | |
2762 | ||
2763 | if (attr_mask & IB_QP_MIN_RNR_TIMER) | |
2764 | context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); | |
2765 | ||
2766 | if (attr_mask & IB_QP_RQ_PSN) | |
2767 | context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); | |
2768 | ||
2769 | if (attr_mask & IB_QP_QKEY) | |
2770 | context->qkey = cpu_to_be32(attr->qkey); | |
2771 | ||
2772 | if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) | |
2773 | context->db_rec_addr = cpu_to_be64(qp->db.dma); | |
2774 | ||
0837e86a MB |
2775 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { |
2776 | u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : | |
2777 | qp->port) - 1; | |
eb49ab0c | 2778 | mibport = &dev->port[port_num]; |
0837e86a | 2779 | context->qp_counter_set_usr_page |= |
321a9e3e | 2780 | cpu_to_be32((u32)(mibport->q_cnt_id) << 24); |
0837e86a MB |
2781 | } |
2782 | ||
e126ba97 EC |
2783 | if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) |
2784 | context->sq_crq_size |= cpu_to_be16(1 << 4); | |
2785 | ||
b11a4f9c HE |
2786 | if (qp->flags & MLX5_IB_QP_SQPN_QP1) |
2787 | context->deth_sqpn = cpu_to_be32(1); | |
e126ba97 EC |
2788 | |
2789 | mlx5_cur = to_mlx5_state(cur_state); | |
2790 | mlx5_new = to_mlx5_state(new_state); | |
2791 | mlx5_st = to_mlx5_st(ibqp->qp_type); | |
07c9113f | 2792 | if (mlx5_st < 0) |
e126ba97 EC |
2793 | goto out; |
2794 | ||
427c1e7b | 2795 | if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || |
2796 | !optab[mlx5_cur][mlx5_new]) | |
2797 | goto out; | |
2798 | ||
2799 | op = optab[mlx5_cur][mlx5_new]; | |
e126ba97 EC |
2800 | optpar = ib_mask_to_mlx5_opt(attr_mask); |
2801 | optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; | |
ad5f8e96 | 2802 | |
0680efa2 AV |
2803 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { |
2804 | struct mlx5_modify_raw_qp_param raw_qp_param = {}; | |
2805 | ||
2806 | raw_qp_param.operation = op; | |
eb49ab0c AV |
2807 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { |
2808 | raw_qp_param.rq_q_ctr_id = mibport->q_cnt_id; | |
2809 | raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; | |
2810 | } | |
7d29f349 BW |
2811 | |
2812 | if (attr_mask & IB_QP_RATE_LIMIT) { | |
2813 | raw_qp_param.rate_limit = attr->rate_limit; | |
2814 | raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; | |
2815 | } | |
2816 | ||
13eab21f | 2817 | err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); |
0680efa2 | 2818 | } else { |
1a412fb1 | 2819 | err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, |
ad5f8e96 | 2820 | &base->mqp); |
0680efa2 AV |
2821 | } |
2822 | ||
e126ba97 EC |
2823 | if (err) |
2824 | goto out; | |
2825 | ||
2826 | qp->state = new_state; | |
2827 | ||
2828 | if (attr_mask & IB_QP_ACCESS_FLAGS) | |
19098df2 | 2829 | qp->trans_qp.atomic_rd_en = attr->qp_access_flags; |
e126ba97 | 2830 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) |
19098df2 | 2831 | qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; |
e126ba97 EC |
2832 | if (attr_mask & IB_QP_PORT) |
2833 | qp->port = attr->port_num; | |
2834 | if (attr_mask & IB_QP_ALT_PATH) | |
19098df2 | 2835 | qp->trans_qp.alt_port = attr->alt_port_num; |
e126ba97 EC |
2836 | |
2837 | /* | |
2838 | * If we moved a kernel QP to RESET, clean up all old CQ | |
2839 | * entries and reinitialize the QP. | |
2840 | */ | |
2841 | if (new_state == IB_QPS_RESET && !ibqp->uobject) { | |
19098df2 | 2842 | mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, |
e126ba97 EC |
2843 | ibqp->srq ? to_msrq(ibqp->srq) : NULL); |
2844 | if (send_cq != recv_cq) | |
19098df2 | 2845 | mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); |
e126ba97 EC |
2846 | |
2847 | qp->rq.head = 0; | |
2848 | qp->rq.tail = 0; | |
2849 | qp->sq.head = 0; | |
2850 | qp->sq.tail = 0; | |
2851 | qp->sq.cur_post = 0; | |
2852 | qp->sq.last_poll = 0; | |
2853 | qp->db.db[MLX5_RCV_DBR] = 0; | |
2854 | qp->db.db[MLX5_SND_DBR] = 0; | |
2855 | } | |
2856 | ||
2857 | out: | |
1a412fb1 | 2858 | kfree(context); |
e126ba97 EC |
2859 | return err; |
2860 | } | |
2861 | ||
2862 | int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, | |
2863 | int attr_mask, struct ib_udata *udata) | |
2864 | { | |
2865 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2866 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
d16e91da | 2867 | enum ib_qp_type qp_type; |
e126ba97 EC |
2868 | enum ib_qp_state cur_state, new_state; |
2869 | int err = -EINVAL; | |
2870 | int port; | |
2811ba51 | 2871 | enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; |
e126ba97 | 2872 | |
28d61370 YH |
2873 | if (ibqp->rwq_ind_tbl) |
2874 | return -ENOSYS; | |
2875 | ||
d16e91da HE |
2876 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
2877 | return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); | |
2878 | ||
2879 | qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? | |
2880 | IB_QPT_GSI : ibqp->qp_type; | |
2881 | ||
e126ba97 EC |
2882 | mutex_lock(&qp->mutex); |
2883 | ||
2884 | cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; | |
2885 | new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; | |
2886 | ||
2811ba51 AS |
2887 | if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { |
2888 | port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; | |
2889 | ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); | |
2890 | } | |
2891 | ||
d16e91da HE |
2892 | if (qp_type != MLX5_IB_QPT_REG_UMR && |
2893 | !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { | |
158abf86 HE |
2894 | mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", |
2895 | cur_state, new_state, ibqp->qp_type, attr_mask); | |
e126ba97 | 2896 | goto out; |
158abf86 | 2897 | } |
e126ba97 EC |
2898 | |
2899 | if ((attr_mask & IB_QP_PORT) && | |
938fe83c | 2900 | (attr->port_num == 0 || |
158abf86 HE |
2901 | attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { |
2902 | mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", | |
2903 | attr->port_num, dev->num_ports); | |
e126ba97 | 2904 | goto out; |
158abf86 | 2905 | } |
e126ba97 EC |
2906 | |
2907 | if (attr_mask & IB_QP_PKEY_INDEX) { | |
2908 | port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; | |
938fe83c | 2909 | if (attr->pkey_index >= |
158abf86 HE |
2910 | dev->mdev->port_caps[port - 1].pkey_table_len) { |
2911 | mlx5_ib_dbg(dev, "invalid pkey index %d\n", | |
2912 | attr->pkey_index); | |
e126ba97 | 2913 | goto out; |
158abf86 | 2914 | } |
e126ba97 EC |
2915 | } |
2916 | ||
2917 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && | |
938fe83c | 2918 | attr->max_rd_atomic > |
158abf86 HE |
2919 | (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { |
2920 | mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", | |
2921 | attr->max_rd_atomic); | |
e126ba97 | 2922 | goto out; |
158abf86 | 2923 | } |
e126ba97 EC |
2924 | |
2925 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && | |
938fe83c | 2926 | attr->max_dest_rd_atomic > |
158abf86 HE |
2927 | (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { |
2928 | mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", | |
2929 | attr->max_dest_rd_atomic); | |
e126ba97 | 2930 | goto out; |
158abf86 | 2931 | } |
e126ba97 EC |
2932 | |
2933 | if (cur_state == new_state && cur_state == IB_QPS_RESET) { | |
2934 | err = 0; | |
2935 | goto out; | |
2936 | } | |
2937 | ||
2938 | err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); | |
2939 | ||
2940 | out: | |
2941 | mutex_unlock(&qp->mutex); | |
2942 | return err; | |
2943 | } | |
2944 | ||
2945 | static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) | |
2946 | { | |
2947 | struct mlx5_ib_cq *cq; | |
2948 | unsigned cur; | |
2949 | ||
2950 | cur = wq->head - wq->tail; | |
2951 | if (likely(cur + nreq < wq->max_post)) | |
2952 | return 0; | |
2953 | ||
2954 | cq = to_mcq(ib_cq); | |
2955 | spin_lock(&cq->lock); | |
2956 | cur = wq->head - wq->tail; | |
2957 | spin_unlock(&cq->lock); | |
2958 | ||
2959 | return cur + nreq >= wq->max_post; | |
2960 | } | |
2961 | ||
2962 | static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, | |
2963 | u64 remote_addr, u32 rkey) | |
2964 | { | |
2965 | rseg->raddr = cpu_to_be64(remote_addr); | |
2966 | rseg->rkey = cpu_to_be32(rkey); | |
2967 | rseg->reserved = 0; | |
2968 | } | |
2969 | ||
f0313965 ES |
2970 | static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, |
2971 | struct ib_send_wr *wr, void *qend, | |
2972 | struct mlx5_ib_qp *qp, int *size) | |
2973 | { | |
2974 | void *seg = eseg; | |
2975 | ||
2976 | memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); | |
2977 | ||
2978 | if (wr->send_flags & IB_SEND_IP_CSUM) | |
2979 | eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | | |
2980 | MLX5_ETH_WQE_L4_CSUM; | |
2981 | ||
2982 | seg += sizeof(struct mlx5_wqe_eth_seg); | |
2983 | *size += sizeof(struct mlx5_wqe_eth_seg) / 16; | |
2984 | ||
2985 | if (wr->opcode == IB_WR_LSO) { | |
2986 | struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); | |
2987 | int size_of_inl_hdr_start = sizeof(eseg->inline_hdr_start); | |
2988 | u64 left, leftlen, copysz; | |
2989 | void *pdata = ud_wr->header; | |
2990 | ||
2991 | left = ud_wr->hlen; | |
2992 | eseg->mss = cpu_to_be16(ud_wr->mss); | |
2993 | eseg->inline_hdr_sz = cpu_to_be16(left); | |
2994 | ||
2995 | /* | |
2996 | * check if there is space till the end of queue, if yes, | |
2997 | * copy all in one shot, otherwise copy till the end of queue, | |
2998 | * rollback and than the copy the left | |
2999 | */ | |
3000 | leftlen = qend - (void *)eseg->inline_hdr_start; | |
3001 | copysz = min_t(u64, leftlen, left); | |
3002 | ||
3003 | memcpy(seg - size_of_inl_hdr_start, pdata, copysz); | |
3004 | ||
3005 | if (likely(copysz > size_of_inl_hdr_start)) { | |
3006 | seg += ALIGN(copysz - size_of_inl_hdr_start, 16); | |
3007 | *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; | |
3008 | } | |
3009 | ||
3010 | if (unlikely(copysz < left)) { /* the last wqe in the queue */ | |
3011 | seg = mlx5_get_send_wqe(qp, 0); | |
3012 | left -= copysz; | |
3013 | pdata += copysz; | |
3014 | memcpy(seg, pdata, left); | |
3015 | seg += ALIGN(left, 16); | |
3016 | *size += ALIGN(left, 16) / 16; | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | return seg; | |
3021 | } | |
3022 | ||
e126ba97 EC |
3023 | static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, |
3024 | struct ib_send_wr *wr) | |
3025 | { | |
e622f2f4 CH |
3026 | memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); |
3027 | dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); | |
3028 | dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); | |
e126ba97 EC |
3029 | } |
3030 | ||
3031 | static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) | |
3032 | { | |
3033 | dseg->byte_count = cpu_to_be32(sg->length); | |
3034 | dseg->lkey = cpu_to_be32(sg->lkey); | |
3035 | dseg->addr = cpu_to_be64(sg->addr); | |
3036 | } | |
3037 | ||
31616255 | 3038 | static u64 get_xlt_octo(u64 bytes) |
e126ba97 | 3039 | { |
31616255 AK |
3040 | return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / |
3041 | MLX5_IB_UMR_OCTOWORD; | |
e126ba97 EC |
3042 | } |
3043 | ||
3044 | static __be64 frwr_mkey_mask(void) | |
3045 | { | |
3046 | u64 result; | |
3047 | ||
3048 | result = MLX5_MKEY_MASK_LEN | | |
3049 | MLX5_MKEY_MASK_PAGE_SIZE | | |
3050 | MLX5_MKEY_MASK_START_ADDR | | |
3051 | MLX5_MKEY_MASK_EN_RINVAL | | |
3052 | MLX5_MKEY_MASK_KEY | | |
3053 | MLX5_MKEY_MASK_LR | | |
3054 | MLX5_MKEY_MASK_LW | | |
3055 | MLX5_MKEY_MASK_RR | | |
3056 | MLX5_MKEY_MASK_RW | | |
3057 | MLX5_MKEY_MASK_A | | |
3058 | MLX5_MKEY_MASK_SMALL_FENCE | | |
3059 | MLX5_MKEY_MASK_FREE; | |
3060 | ||
3061 | return cpu_to_be64(result); | |
3062 | } | |
3063 | ||
e6631814 SG |
3064 | static __be64 sig_mkey_mask(void) |
3065 | { | |
3066 | u64 result; | |
3067 | ||
3068 | result = MLX5_MKEY_MASK_LEN | | |
3069 | MLX5_MKEY_MASK_PAGE_SIZE | | |
3070 | MLX5_MKEY_MASK_START_ADDR | | |
d5436ba0 | 3071 | MLX5_MKEY_MASK_EN_SIGERR | |
e6631814 SG |
3072 | MLX5_MKEY_MASK_EN_RINVAL | |
3073 | MLX5_MKEY_MASK_KEY | | |
3074 | MLX5_MKEY_MASK_LR | | |
3075 | MLX5_MKEY_MASK_LW | | |
3076 | MLX5_MKEY_MASK_RR | | |
3077 | MLX5_MKEY_MASK_RW | | |
3078 | MLX5_MKEY_MASK_SMALL_FENCE | | |
3079 | MLX5_MKEY_MASK_FREE | | |
3080 | MLX5_MKEY_MASK_BSF_EN; | |
3081 | ||
3082 | return cpu_to_be64(result); | |
3083 | } | |
3084 | ||
8a187ee5 | 3085 | static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, |
31616255 | 3086 | struct mlx5_ib_mr *mr) |
8a187ee5 | 3087 | { |
31616255 | 3088 | int size = mr->ndescs * mr->desc_size; |
8a187ee5 SG |
3089 | |
3090 | memset(umr, 0, sizeof(*umr)); | |
b005d316 | 3091 | |
8a187ee5 | 3092 | umr->flags = MLX5_UMR_CHECK_NOT_FREE; |
31616255 | 3093 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); |
8a187ee5 SG |
3094 | umr->mkey_mask = frwr_mkey_mask(); |
3095 | } | |
3096 | ||
dd01e66a | 3097 | static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) |
e126ba97 EC |
3098 | { |
3099 | memset(umr, 0, sizeof(*umr)); | |
dd01e66a | 3100 | umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); |
2d221588 | 3101 | umr->flags = MLX5_UMR_INLINE; |
e126ba97 EC |
3102 | } |
3103 | ||
31616255 | 3104 | static __be64 get_umr_enable_mr_mask(void) |
968e78dd HE |
3105 | { |
3106 | u64 result; | |
3107 | ||
31616255 | 3108 | result = MLX5_MKEY_MASK_KEY | |
968e78dd HE |
3109 | MLX5_MKEY_MASK_FREE; |
3110 | ||
968e78dd HE |
3111 | return cpu_to_be64(result); |
3112 | } | |
3113 | ||
31616255 | 3114 | static __be64 get_umr_disable_mr_mask(void) |
968e78dd HE |
3115 | { |
3116 | u64 result; | |
3117 | ||
3118 | result = MLX5_MKEY_MASK_FREE; | |
3119 | ||
3120 | return cpu_to_be64(result); | |
3121 | } | |
3122 | ||
56e11d62 NO |
3123 | static __be64 get_umr_update_translation_mask(void) |
3124 | { | |
3125 | u64 result; | |
3126 | ||
3127 | result = MLX5_MKEY_MASK_LEN | | |
3128 | MLX5_MKEY_MASK_PAGE_SIZE | | |
31616255 | 3129 | MLX5_MKEY_MASK_START_ADDR; |
56e11d62 NO |
3130 | |
3131 | return cpu_to_be64(result); | |
3132 | } | |
3133 | ||
31616255 | 3134 | static __be64 get_umr_update_access_mask(int atomic) |
56e11d62 NO |
3135 | { |
3136 | u64 result; | |
3137 | ||
31616255 AK |
3138 | result = MLX5_MKEY_MASK_LR | |
3139 | MLX5_MKEY_MASK_LW | | |
56e11d62 | 3140 | MLX5_MKEY_MASK_RR | |
31616255 AK |
3141 | MLX5_MKEY_MASK_RW; |
3142 | ||
3143 | if (atomic) | |
3144 | result |= MLX5_MKEY_MASK_A; | |
56e11d62 NO |
3145 | |
3146 | return cpu_to_be64(result); | |
3147 | } | |
3148 | ||
3149 | static __be64 get_umr_update_pd_mask(void) | |
3150 | { | |
3151 | u64 result; | |
3152 | ||
31616255 | 3153 | result = MLX5_MKEY_MASK_PD; |
56e11d62 NO |
3154 | |
3155 | return cpu_to_be64(result); | |
3156 | } | |
3157 | ||
e126ba97 | 3158 | static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, |
578e7264 | 3159 | struct ib_send_wr *wr, int atomic) |
e126ba97 | 3160 | { |
e622f2f4 | 3161 | struct mlx5_umr_wr *umrwr = umr_wr(wr); |
e126ba97 EC |
3162 | |
3163 | memset(umr, 0, sizeof(*umr)); | |
3164 | ||
968e78dd HE |
3165 | if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) |
3166 | umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ | |
3167 | else | |
3168 | umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ | |
3169 | ||
31616255 AK |
3170 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); |
3171 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { | |
3172 | u64 offset = get_xlt_octo(umrwr->offset); | |
3173 | ||
3174 | umr->xlt_offset = cpu_to_be16(offset & 0xffff); | |
3175 | umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); | |
3176 | umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; | |
e126ba97 | 3177 | } |
31616255 AK |
3178 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) |
3179 | umr->mkey_mask |= get_umr_update_translation_mask(); | |
3180 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { | |
3181 | umr->mkey_mask |= get_umr_update_access_mask(atomic); | |
3182 | umr->mkey_mask |= get_umr_update_pd_mask(); | |
3183 | } | |
3184 | if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) | |
3185 | umr->mkey_mask |= get_umr_enable_mr_mask(); | |
3186 | if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) | |
3187 | umr->mkey_mask |= get_umr_disable_mr_mask(); | |
e126ba97 EC |
3188 | |
3189 | if (!wr->num_sge) | |
968e78dd | 3190 | umr->flags |= MLX5_UMR_INLINE; |
e126ba97 EC |
3191 | } |
3192 | ||
3193 | static u8 get_umr_flags(int acc) | |
3194 | { | |
3195 | return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | | |
3196 | (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | | |
3197 | (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | | |
3198 | (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | | |
2ac45934 | 3199 | MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; |
e126ba97 EC |
3200 | } |
3201 | ||
8a187ee5 SG |
3202 | static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, |
3203 | struct mlx5_ib_mr *mr, | |
3204 | u32 key, int access) | |
3205 | { | |
3206 | int ndescs = ALIGN(mr->ndescs, 8) >> 1; | |
3207 | ||
3208 | memset(seg, 0, sizeof(*seg)); | |
b005d316 | 3209 | |
ec22eb53 | 3210 | if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) |
b005d316 | 3211 | seg->log2_page_size = ilog2(mr->ibmr.page_size); |
ec22eb53 | 3212 | else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) |
b005d316 SG |
3213 | /* KLMs take twice the size of MTTs */ |
3214 | ndescs *= 2; | |
3215 | ||
3216 | seg->flags = get_umr_flags(access) | mr->access_mode; | |
8a187ee5 SG |
3217 | seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); |
3218 | seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); | |
3219 | seg->start_addr = cpu_to_be64(mr->ibmr.iova); | |
3220 | seg->len = cpu_to_be64(mr->ibmr.length); | |
3221 | seg->xlt_oct_size = cpu_to_be32(ndescs); | |
8a187ee5 SG |
3222 | } |
3223 | ||
dd01e66a | 3224 | static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) |
e126ba97 EC |
3225 | { |
3226 | memset(seg, 0, sizeof(*seg)); | |
dd01e66a | 3227 | seg->status = MLX5_MKEY_STATUS_FREE; |
e126ba97 EC |
3228 | } |
3229 | ||
3230 | static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) | |
3231 | { | |
e622f2f4 | 3232 | struct mlx5_umr_wr *umrwr = umr_wr(wr); |
968e78dd | 3233 | |
e126ba97 | 3234 | memset(seg, 0, sizeof(*seg)); |
31616255 | 3235 | if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) |
968e78dd | 3236 | seg->status = MLX5_MKEY_STATUS_FREE; |
e126ba97 | 3237 | |
968e78dd | 3238 | seg->flags = convert_access(umrwr->access_flags); |
31616255 AK |
3239 | if (umrwr->pd) |
3240 | seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); | |
3241 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && | |
3242 | !umrwr->length) | |
3243 | seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); | |
3244 | ||
3245 | seg->start_addr = cpu_to_be64(umrwr->virt_addr); | |
968e78dd HE |
3246 | seg->len = cpu_to_be64(umrwr->length); |
3247 | seg->log2_page_size = umrwr->page_shift; | |
746b5583 | 3248 | seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | |
968e78dd | 3249 | mlx5_mkey_variant(umrwr->mkey)); |
e126ba97 EC |
3250 | } |
3251 | ||
8a187ee5 SG |
3252 | static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, |
3253 | struct mlx5_ib_mr *mr, | |
3254 | struct mlx5_ib_pd *pd) | |
3255 | { | |
3256 | int bcount = mr->desc_size * mr->ndescs; | |
3257 | ||
3258 | dseg->addr = cpu_to_be64(mr->desc_map); | |
3259 | dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); | |
3260 | dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); | |
3261 | } | |
3262 | ||
e126ba97 EC |
3263 | static __be32 send_ieth(struct ib_send_wr *wr) |
3264 | { | |
3265 | switch (wr->opcode) { | |
3266 | case IB_WR_SEND_WITH_IMM: | |
3267 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
3268 | return wr->ex.imm_data; | |
3269 | ||
3270 | case IB_WR_SEND_WITH_INV: | |
3271 | return cpu_to_be32(wr->ex.invalidate_rkey); | |
3272 | ||
3273 | default: | |
3274 | return 0; | |
3275 | } | |
3276 | } | |
3277 | ||
3278 | static u8 calc_sig(void *wqe, int size) | |
3279 | { | |
3280 | u8 *p = wqe; | |
3281 | u8 res = 0; | |
3282 | int i; | |
3283 | ||
3284 | for (i = 0; i < size; i++) | |
3285 | res ^= p[i]; | |
3286 | ||
3287 | return ~res; | |
3288 | } | |
3289 | ||
3290 | static u8 wq_sig(void *wqe) | |
3291 | { | |
3292 | return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); | |
3293 | } | |
3294 | ||
3295 | static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, | |
3296 | void *wqe, int *sz) | |
3297 | { | |
3298 | struct mlx5_wqe_inline_seg *seg; | |
3299 | void *qend = qp->sq.qend; | |
3300 | void *addr; | |
3301 | int inl = 0; | |
3302 | int copy; | |
3303 | int len; | |
3304 | int i; | |
3305 | ||
3306 | seg = wqe; | |
3307 | wqe += sizeof(*seg); | |
3308 | for (i = 0; i < wr->num_sge; i++) { | |
3309 | addr = (void *)(unsigned long)(wr->sg_list[i].addr); | |
3310 | len = wr->sg_list[i].length; | |
3311 | inl += len; | |
3312 | ||
3313 | if (unlikely(inl > qp->max_inline_data)) | |
3314 | return -ENOMEM; | |
3315 | ||
3316 | if (unlikely(wqe + len > qend)) { | |
3317 | copy = qend - wqe; | |
3318 | memcpy(wqe, addr, copy); | |
3319 | addr += copy; | |
3320 | len -= copy; | |
3321 | wqe = mlx5_get_send_wqe(qp, 0); | |
3322 | } | |
3323 | memcpy(wqe, addr, len); | |
3324 | wqe += len; | |
3325 | } | |
3326 | ||
3327 | seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); | |
3328 | ||
3329 | *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; | |
3330 | ||
3331 | return 0; | |
3332 | } | |
3333 | ||
e6631814 SG |
3334 | static u16 prot_field_size(enum ib_signature_type type) |
3335 | { | |
3336 | switch (type) { | |
3337 | case IB_SIG_TYPE_T10_DIF: | |
3338 | return MLX5_DIF_SIZE; | |
3339 | default: | |
3340 | return 0; | |
3341 | } | |
3342 | } | |
3343 | ||
3344 | static u8 bs_selector(int block_size) | |
3345 | { | |
3346 | switch (block_size) { | |
3347 | case 512: return 0x1; | |
3348 | case 520: return 0x2; | |
3349 | case 4096: return 0x3; | |
3350 | case 4160: return 0x4; | |
3351 | case 1073741824: return 0x5; | |
3352 | default: return 0; | |
3353 | } | |
3354 | } | |
3355 | ||
78eda2bb SG |
3356 | static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, |
3357 | struct mlx5_bsf_inl *inl) | |
e6631814 | 3358 | { |
142537f4 SG |
3359 | /* Valid inline section and allow BSF refresh */ |
3360 | inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | | |
3361 | MLX5_BSF_REFRESH_DIF); | |
3362 | inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); | |
3363 | inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); | |
78eda2bb SG |
3364 | /* repeating block */ |
3365 | inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; | |
3366 | inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? | |
3367 | MLX5_DIF_CRC : MLX5_DIF_IPCS; | |
e6631814 | 3368 | |
78eda2bb SG |
3369 | if (domain->sig.dif.ref_remap) |
3370 | inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; | |
e6631814 | 3371 | |
78eda2bb SG |
3372 | if (domain->sig.dif.app_escape) { |
3373 | if (domain->sig.dif.ref_escape) | |
3374 | inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; | |
3375 | else | |
3376 | inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; | |
e6631814 SG |
3377 | } |
3378 | ||
78eda2bb SG |
3379 | inl->dif_app_bitmask_check = |
3380 | cpu_to_be16(domain->sig.dif.apptag_check_mask); | |
e6631814 SG |
3381 | } |
3382 | ||
3383 | static int mlx5_set_bsf(struct ib_mr *sig_mr, | |
3384 | struct ib_sig_attrs *sig_attrs, | |
3385 | struct mlx5_bsf *bsf, u32 data_size) | |
3386 | { | |
3387 | struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; | |
3388 | struct mlx5_bsf_basic *basic = &bsf->basic; | |
3389 | struct ib_sig_domain *mem = &sig_attrs->mem; | |
3390 | struct ib_sig_domain *wire = &sig_attrs->wire; | |
e6631814 | 3391 | |
c7f44fbd | 3392 | memset(bsf, 0, sizeof(*bsf)); |
78eda2bb SG |
3393 | |
3394 | /* Basic + Extended + Inline */ | |
3395 | basic->bsf_size_sbs = 1 << 7; | |
3396 | /* Input domain check byte mask */ | |
3397 | basic->check_byte_mask = sig_attrs->check_mask; | |
3398 | basic->raw_data_size = cpu_to_be32(data_size); | |
3399 | ||
3400 | /* Memory domain */ | |
e6631814 | 3401 | switch (sig_attrs->mem.sig_type) { |
78eda2bb SG |
3402 | case IB_SIG_TYPE_NONE: |
3403 | break; | |
e6631814 | 3404 | case IB_SIG_TYPE_T10_DIF: |
78eda2bb SG |
3405 | basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); |
3406 | basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); | |
3407 | mlx5_fill_inl_bsf(mem, &bsf->m_inl); | |
3408 | break; | |
3409 | default: | |
3410 | return -EINVAL; | |
3411 | } | |
e6631814 | 3412 | |
78eda2bb SG |
3413 | /* Wire domain */ |
3414 | switch (sig_attrs->wire.sig_type) { | |
3415 | case IB_SIG_TYPE_NONE: | |
3416 | break; | |
3417 | case IB_SIG_TYPE_T10_DIF: | |
e6631814 | 3418 | if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && |
78eda2bb | 3419 | mem->sig_type == wire->sig_type) { |
e6631814 | 3420 | /* Same block structure */ |
142537f4 | 3421 | basic->bsf_size_sbs |= 1 << 4; |
e6631814 | 3422 | if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) |
fd22f78c | 3423 | basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; |
c7f44fbd | 3424 | if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) |
fd22f78c | 3425 | basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; |
c7f44fbd | 3426 | if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) |
fd22f78c | 3427 | basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; |
e6631814 SG |
3428 | } else |
3429 | basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); | |
3430 | ||
142537f4 | 3431 | basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); |
78eda2bb | 3432 | mlx5_fill_inl_bsf(wire, &bsf->w_inl); |
e6631814 | 3433 | break; |
e6631814 SG |
3434 | default: |
3435 | return -EINVAL; | |
3436 | } | |
3437 | ||
3438 | return 0; | |
3439 | } | |
3440 | ||
e622f2f4 CH |
3441 | static int set_sig_data_segment(struct ib_sig_handover_wr *wr, |
3442 | struct mlx5_ib_qp *qp, void **seg, int *size) | |
e6631814 | 3443 | { |
e622f2f4 CH |
3444 | struct ib_sig_attrs *sig_attrs = wr->sig_attrs; |
3445 | struct ib_mr *sig_mr = wr->sig_mr; | |
e6631814 | 3446 | struct mlx5_bsf *bsf; |
e622f2f4 CH |
3447 | u32 data_len = wr->wr.sg_list->length; |
3448 | u32 data_key = wr->wr.sg_list->lkey; | |
3449 | u64 data_va = wr->wr.sg_list->addr; | |
e6631814 SG |
3450 | int ret; |
3451 | int wqe_size; | |
3452 | ||
e622f2f4 CH |
3453 | if (!wr->prot || |
3454 | (data_key == wr->prot->lkey && | |
3455 | data_va == wr->prot->addr && | |
3456 | data_len == wr->prot->length)) { | |
e6631814 SG |
3457 | /** |
3458 | * Source domain doesn't contain signature information | |
5c273b16 | 3459 | * or data and protection are interleaved in memory. |
e6631814 SG |
3460 | * So need construct: |
3461 | * ------------------ | |
3462 | * | data_klm | | |
3463 | * ------------------ | |
3464 | * | BSF | | |
3465 | * ------------------ | |
3466 | **/ | |
3467 | struct mlx5_klm *data_klm = *seg; | |
3468 | ||
3469 | data_klm->bcount = cpu_to_be32(data_len); | |
3470 | data_klm->key = cpu_to_be32(data_key); | |
3471 | data_klm->va = cpu_to_be64(data_va); | |
3472 | wqe_size = ALIGN(sizeof(*data_klm), 64); | |
3473 | } else { | |
3474 | /** | |
3475 | * Source domain contains signature information | |
3476 | * So need construct a strided block format: | |
3477 | * --------------------------- | |
3478 | * | stride_block_ctrl | | |
3479 | * --------------------------- | |
3480 | * | data_klm | | |
3481 | * --------------------------- | |
3482 | * | prot_klm | | |
3483 | * --------------------------- | |
3484 | * | BSF | | |
3485 | * --------------------------- | |
3486 | **/ | |
3487 | struct mlx5_stride_block_ctrl_seg *sblock_ctrl; | |
3488 | struct mlx5_stride_block_entry *data_sentry; | |
3489 | struct mlx5_stride_block_entry *prot_sentry; | |
e622f2f4 CH |
3490 | u32 prot_key = wr->prot->lkey; |
3491 | u64 prot_va = wr->prot->addr; | |
e6631814 SG |
3492 | u16 block_size = sig_attrs->mem.sig.dif.pi_interval; |
3493 | int prot_size; | |
3494 | ||
3495 | sblock_ctrl = *seg; | |
3496 | data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); | |
3497 | prot_sentry = (void *)data_sentry + sizeof(*data_sentry); | |
3498 | ||
3499 | prot_size = prot_field_size(sig_attrs->mem.sig_type); | |
3500 | if (!prot_size) { | |
3501 | pr_err("Bad block size given: %u\n", block_size); | |
3502 | return -EINVAL; | |
3503 | } | |
3504 | sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + | |
3505 | prot_size); | |
3506 | sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); | |
3507 | sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); | |
3508 | sblock_ctrl->num_entries = cpu_to_be16(2); | |
3509 | ||
3510 | data_sentry->bcount = cpu_to_be16(block_size); | |
3511 | data_sentry->key = cpu_to_be32(data_key); | |
3512 | data_sentry->va = cpu_to_be64(data_va); | |
5c273b16 SG |
3513 | data_sentry->stride = cpu_to_be16(block_size); |
3514 | ||
e6631814 SG |
3515 | prot_sentry->bcount = cpu_to_be16(prot_size); |
3516 | prot_sentry->key = cpu_to_be32(prot_key); | |
5c273b16 SG |
3517 | prot_sentry->va = cpu_to_be64(prot_va); |
3518 | prot_sentry->stride = cpu_to_be16(prot_size); | |
e6631814 | 3519 | |
e6631814 SG |
3520 | wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + |
3521 | sizeof(*prot_sentry), 64); | |
3522 | } | |
3523 | ||
3524 | *seg += wqe_size; | |
3525 | *size += wqe_size / 16; | |
3526 | if (unlikely((*seg == qp->sq.qend))) | |
3527 | *seg = mlx5_get_send_wqe(qp, 0); | |
3528 | ||
3529 | bsf = *seg; | |
3530 | ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); | |
3531 | if (ret) | |
3532 | return -EINVAL; | |
3533 | ||
3534 | *seg += sizeof(*bsf); | |
3535 | *size += sizeof(*bsf) / 16; | |
3536 | if (unlikely((*seg == qp->sq.qend))) | |
3537 | *seg = mlx5_get_send_wqe(qp, 0); | |
3538 | ||
3539 | return 0; | |
3540 | } | |
3541 | ||
3542 | static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, | |
31616255 | 3543 | struct ib_sig_handover_wr *wr, u32 size, |
e6631814 SG |
3544 | u32 length, u32 pdn) |
3545 | { | |
e622f2f4 | 3546 | struct ib_mr *sig_mr = wr->sig_mr; |
e6631814 | 3547 | u32 sig_key = sig_mr->rkey; |
d5436ba0 | 3548 | u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; |
e6631814 SG |
3549 | |
3550 | memset(seg, 0, sizeof(*seg)); | |
3551 | ||
e622f2f4 | 3552 | seg->flags = get_umr_flags(wr->access_flags) | |
ec22eb53 | 3553 | MLX5_MKC_ACCESS_MODE_KLMS; |
e6631814 | 3554 | seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); |
d5436ba0 | 3555 | seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | |
e6631814 SG |
3556 | MLX5_MKEY_BSF_EN | pdn); |
3557 | seg->len = cpu_to_be64(length); | |
31616255 | 3558 | seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); |
e6631814 SG |
3559 | seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); |
3560 | } | |
3561 | ||
3562 | static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, | |
31616255 | 3563 | u32 size) |
e6631814 SG |
3564 | { |
3565 | memset(umr, 0, sizeof(*umr)); | |
3566 | ||
3567 | umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; | |
31616255 | 3568 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); |
e6631814 SG |
3569 | umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); |
3570 | umr->mkey_mask = sig_mkey_mask(); | |
3571 | } | |
3572 | ||
3573 | ||
e622f2f4 | 3574 | static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, |
e6631814 SG |
3575 | void **seg, int *size) |
3576 | { | |
e622f2f4 CH |
3577 | struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); |
3578 | struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); | |
e6631814 | 3579 | u32 pdn = get_pd(qp)->pdn; |
31616255 | 3580 | u32 xlt_size; |
e6631814 SG |
3581 | int region_len, ret; |
3582 | ||
e622f2f4 CH |
3583 | if (unlikely(wr->wr.num_sge != 1) || |
3584 | unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || | |
d5436ba0 SG |
3585 | unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || |
3586 | unlikely(!sig_mr->sig->sig_status_checked)) | |
e6631814 SG |
3587 | return -EINVAL; |
3588 | ||
3589 | /* length of the protected region, data + protection */ | |
e622f2f4 CH |
3590 | region_len = wr->wr.sg_list->length; |
3591 | if (wr->prot && | |
3592 | (wr->prot->lkey != wr->wr.sg_list->lkey || | |
3593 | wr->prot->addr != wr->wr.sg_list->addr || | |
3594 | wr->prot->length != wr->wr.sg_list->length)) | |
3595 | region_len += wr->prot->length; | |
e6631814 SG |
3596 | |
3597 | /** | |
3598 | * KLM octoword size - if protection was provided | |
3599 | * then we use strided block format (3 octowords), | |
3600 | * else we use single KLM (1 octoword) | |
3601 | **/ | |
31616255 | 3602 | xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); |
e6631814 | 3603 | |
31616255 | 3604 | set_sig_umr_segment(*seg, xlt_size); |
e6631814 SG |
3605 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
3606 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3607 | if (unlikely((*seg == qp->sq.qend))) | |
3608 | *seg = mlx5_get_send_wqe(qp, 0); | |
3609 | ||
31616255 | 3610 | set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); |
e6631814 SG |
3611 | *seg += sizeof(struct mlx5_mkey_seg); |
3612 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3613 | if (unlikely((*seg == qp->sq.qend))) | |
3614 | *seg = mlx5_get_send_wqe(qp, 0); | |
3615 | ||
3616 | ret = set_sig_data_segment(wr, qp, seg, size); | |
3617 | if (ret) | |
3618 | return ret; | |
3619 | ||
d5436ba0 | 3620 | sig_mr->sig->sig_status_checked = false; |
e6631814 SG |
3621 | return 0; |
3622 | } | |
3623 | ||
3624 | static int set_psv_wr(struct ib_sig_domain *domain, | |
3625 | u32 psv_idx, void **seg, int *size) | |
3626 | { | |
3627 | struct mlx5_seg_set_psv *psv_seg = *seg; | |
3628 | ||
3629 | memset(psv_seg, 0, sizeof(*psv_seg)); | |
3630 | psv_seg->psv_num = cpu_to_be32(psv_idx); | |
3631 | switch (domain->sig_type) { | |
78eda2bb SG |
3632 | case IB_SIG_TYPE_NONE: |
3633 | break; | |
e6631814 SG |
3634 | case IB_SIG_TYPE_T10_DIF: |
3635 | psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | | |
3636 | domain->sig.dif.app_tag); | |
3637 | psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); | |
e6631814 | 3638 | break; |
e6631814 SG |
3639 | default: |
3640 | pr_err("Bad signature type given.\n"); | |
3641 | return 1; | |
3642 | } | |
3643 | ||
78eda2bb SG |
3644 | *seg += sizeof(*psv_seg); |
3645 | *size += sizeof(*psv_seg) / 16; | |
3646 | ||
e6631814 SG |
3647 | return 0; |
3648 | } | |
3649 | ||
8a187ee5 SG |
3650 | static int set_reg_wr(struct mlx5_ib_qp *qp, |
3651 | struct ib_reg_wr *wr, | |
3652 | void **seg, int *size) | |
3653 | { | |
3654 | struct mlx5_ib_mr *mr = to_mmr(wr->mr); | |
3655 | struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); | |
3656 | ||
3657 | if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { | |
3658 | mlx5_ib_warn(to_mdev(qp->ibqp.device), | |
3659 | "Invalid IB_SEND_INLINE send flag\n"); | |
3660 | return -EINVAL; | |
3661 | } | |
3662 | ||
3663 | set_reg_umr_seg(*seg, mr); | |
3664 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); | |
3665 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3666 | if (unlikely((*seg == qp->sq.qend))) | |
3667 | *seg = mlx5_get_send_wqe(qp, 0); | |
3668 | ||
3669 | set_reg_mkey_seg(*seg, mr, wr->key, wr->access); | |
3670 | *seg += sizeof(struct mlx5_mkey_seg); | |
3671 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3672 | if (unlikely((*seg == qp->sq.qend))) | |
3673 | *seg = mlx5_get_send_wqe(qp, 0); | |
3674 | ||
3675 | set_reg_data_seg(*seg, mr, pd); | |
3676 | *seg += sizeof(struct mlx5_wqe_data_seg); | |
3677 | *size += (sizeof(struct mlx5_wqe_data_seg) / 16); | |
3678 | ||
3679 | return 0; | |
3680 | } | |
3681 | ||
dd01e66a | 3682 | static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) |
e126ba97 | 3683 | { |
dd01e66a | 3684 | set_linv_umr_seg(*seg); |
e126ba97 EC |
3685 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
3686 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3687 | if (unlikely((*seg == qp->sq.qend))) | |
3688 | *seg = mlx5_get_send_wqe(qp, 0); | |
dd01e66a | 3689 | set_linv_mkey_seg(*seg); |
e126ba97 EC |
3690 | *seg += sizeof(struct mlx5_mkey_seg); |
3691 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3692 | if (unlikely((*seg == qp->sq.qend))) | |
3693 | *seg = mlx5_get_send_wqe(qp, 0); | |
e126ba97 EC |
3694 | } |
3695 | ||
3696 | static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) | |
3697 | { | |
3698 | __be32 *p = NULL; | |
3699 | int tidx = idx; | |
3700 | int i, j; | |
3701 | ||
3702 | pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); | |
3703 | for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { | |
3704 | if ((i & 0xf) == 0) { | |
3705 | void *buf = mlx5_get_send_wqe(qp, tidx); | |
3706 | tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); | |
3707 | p = buf; | |
3708 | j = 0; | |
3709 | } | |
3710 | pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), | |
3711 | be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), | |
3712 | be32_to_cpu(p[j + 3])); | |
3713 | } | |
3714 | } | |
3715 | ||
e126ba97 EC |
3716 | static u8 get_fence(u8 fence, struct ib_send_wr *wr) |
3717 | { | |
3718 | if (unlikely(wr->opcode == IB_WR_LOCAL_INV && | |
3719 | wr->send_flags & IB_SEND_FENCE)) | |
3720 | return MLX5_FENCE_MODE_STRONG_ORDERING; | |
3721 | ||
3722 | if (unlikely(fence)) { | |
3723 | if (wr->send_flags & IB_SEND_FENCE) | |
3724 | return MLX5_FENCE_MODE_SMALL_AND_FENCE; | |
3725 | else | |
3726 | return fence; | |
c9b25495 EC |
3727 | } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { |
3728 | return MLX5_FENCE_MODE_FENCE; | |
e126ba97 | 3729 | } |
c9b25495 EC |
3730 | |
3731 | return 0; | |
e126ba97 EC |
3732 | } |
3733 | ||
6e5eadac SG |
3734 | static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, |
3735 | struct mlx5_wqe_ctrl_seg **ctrl, | |
6a4f139a | 3736 | struct ib_send_wr *wr, unsigned *idx, |
6e5eadac SG |
3737 | int *size, int nreq) |
3738 | { | |
b2a232d2 LR |
3739 | if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) |
3740 | return -ENOMEM; | |
6e5eadac SG |
3741 | |
3742 | *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); | |
3743 | *seg = mlx5_get_send_wqe(qp, *idx); | |
3744 | *ctrl = *seg; | |
3745 | *(uint32_t *)(*seg + 8) = 0; | |
3746 | (*ctrl)->imm = send_ieth(wr); | |
3747 | (*ctrl)->fm_ce_se = qp->sq_signal_bits | | |
3748 | (wr->send_flags & IB_SEND_SIGNALED ? | |
3749 | MLX5_WQE_CTRL_CQ_UPDATE : 0) | | |
3750 | (wr->send_flags & IB_SEND_SOLICITED ? | |
3751 | MLX5_WQE_CTRL_SOLICITED : 0); | |
3752 | ||
3753 | *seg += sizeof(**ctrl); | |
3754 | *size = sizeof(**ctrl) / 16; | |
3755 | ||
b2a232d2 | 3756 | return 0; |
6e5eadac SG |
3757 | } |
3758 | ||
3759 | static void finish_wqe(struct mlx5_ib_qp *qp, | |
3760 | struct mlx5_wqe_ctrl_seg *ctrl, | |
3761 | u8 size, unsigned idx, u64 wr_id, | |
3762 | int nreq, u8 fence, u8 next_fence, | |
3763 | u32 mlx5_opcode) | |
3764 | { | |
3765 | u8 opmod = 0; | |
3766 | ||
3767 | ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | | |
3768 | mlx5_opcode | ((u32)opmod << 24)); | |
19098df2 | 3769 | ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); |
6e5eadac SG |
3770 | ctrl->fm_ce_se |= fence; |
3771 | qp->fm_cache = next_fence; | |
3772 | if (unlikely(qp->wq_sig)) | |
3773 | ctrl->signature = wq_sig(ctrl); | |
3774 | ||
3775 | qp->sq.wrid[idx] = wr_id; | |
3776 | qp->sq.w_list[idx].opcode = mlx5_opcode; | |
3777 | qp->sq.wqe_head[idx] = qp->sq.head + nreq; | |
3778 | qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); | |
3779 | qp->sq.w_list[idx].next = qp->sq.cur_post; | |
3780 | } | |
3781 | ||
3782 | ||
e126ba97 EC |
3783 | int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, |
3784 | struct ib_send_wr **bad_wr) | |
3785 | { | |
3786 | struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ | |
3787 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
89ea94a7 | 3788 | struct mlx5_core_dev *mdev = dev->mdev; |
d16e91da | 3789 | struct mlx5_ib_qp *qp; |
e6631814 | 3790 | struct mlx5_ib_mr *mr; |
e126ba97 EC |
3791 | struct mlx5_wqe_data_seg *dpseg; |
3792 | struct mlx5_wqe_xrc_seg *xrc; | |
d16e91da | 3793 | struct mlx5_bf *bf; |
e126ba97 | 3794 | int uninitialized_var(size); |
d16e91da | 3795 | void *qend; |
e126ba97 | 3796 | unsigned long flags; |
e126ba97 EC |
3797 | unsigned idx; |
3798 | int err = 0; | |
3799 | int inl = 0; | |
3800 | int num_sge; | |
3801 | void *seg; | |
3802 | int nreq; | |
3803 | int i; | |
3804 | u8 next_fence = 0; | |
e126ba97 EC |
3805 | u8 fence; |
3806 | ||
d16e91da HE |
3807 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
3808 | return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); | |
3809 | ||
3810 | qp = to_mqp(ibqp); | |
5fe9dec0 | 3811 | bf = &qp->bf; |
d16e91da HE |
3812 | qend = qp->sq.qend; |
3813 | ||
e126ba97 EC |
3814 | spin_lock_irqsave(&qp->sq.lock, flags); |
3815 | ||
89ea94a7 MG |
3816 | if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { |
3817 | err = -EIO; | |
3818 | *bad_wr = wr; | |
3819 | nreq = 0; | |
3820 | goto out; | |
3821 | } | |
3822 | ||
e126ba97 | 3823 | for (nreq = 0; wr; nreq++, wr = wr->next) { |
a8f731eb | 3824 | if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { |
e126ba97 EC |
3825 | mlx5_ib_warn(dev, "\n"); |
3826 | err = -EINVAL; | |
3827 | *bad_wr = wr; | |
3828 | goto out; | |
3829 | } | |
3830 | ||
6e5eadac SG |
3831 | fence = qp->fm_cache; |
3832 | num_sge = wr->num_sge; | |
3833 | if (unlikely(num_sge > qp->sq.max_gs)) { | |
e126ba97 | 3834 | mlx5_ib_warn(dev, "\n"); |
24be409b | 3835 | err = -EINVAL; |
e126ba97 EC |
3836 | *bad_wr = wr; |
3837 | goto out; | |
3838 | } | |
3839 | ||
6e5eadac SG |
3840 | err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); |
3841 | if (err) { | |
e126ba97 EC |
3842 | mlx5_ib_warn(dev, "\n"); |
3843 | err = -ENOMEM; | |
3844 | *bad_wr = wr; | |
3845 | goto out; | |
3846 | } | |
3847 | ||
e126ba97 EC |
3848 | switch (ibqp->qp_type) { |
3849 | case IB_QPT_XRC_INI: | |
3850 | xrc = seg; | |
e126ba97 EC |
3851 | seg += sizeof(*xrc); |
3852 | size += sizeof(*xrc) / 16; | |
3853 | /* fall through */ | |
3854 | case IB_QPT_RC: | |
3855 | switch (wr->opcode) { | |
3856 | case IB_WR_RDMA_READ: | |
3857 | case IB_WR_RDMA_WRITE: | |
3858 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
e622f2f4 CH |
3859 | set_raddr_seg(seg, rdma_wr(wr)->remote_addr, |
3860 | rdma_wr(wr)->rkey); | |
f241e749 | 3861 | seg += sizeof(struct mlx5_wqe_raddr_seg); |
e126ba97 EC |
3862 | size += sizeof(struct mlx5_wqe_raddr_seg) / 16; |
3863 | break; | |
3864 | ||
3865 | case IB_WR_ATOMIC_CMP_AND_SWP: | |
3866 | case IB_WR_ATOMIC_FETCH_AND_ADD: | |
e126ba97 | 3867 | case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: |
81bea28f EC |
3868 | mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); |
3869 | err = -ENOSYS; | |
3870 | *bad_wr = wr; | |
3871 | goto out; | |
e126ba97 EC |
3872 | |
3873 | case IB_WR_LOCAL_INV: | |
3874 | next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; | |
3875 | qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; | |
3876 | ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); | |
dd01e66a | 3877 | set_linv_wr(qp, &seg, &size); |
e126ba97 EC |
3878 | num_sge = 0; |
3879 | break; | |
3880 | ||
8a187ee5 SG |
3881 | case IB_WR_REG_MR: |
3882 | next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; | |
3883 | qp->sq.wr_data[idx] = IB_WR_REG_MR; | |
3884 | ctrl->imm = cpu_to_be32(reg_wr(wr)->key); | |
3885 | err = set_reg_wr(qp, reg_wr(wr), &seg, &size); | |
3886 | if (err) { | |
3887 | *bad_wr = wr; | |
3888 | goto out; | |
3889 | } | |
3890 | num_sge = 0; | |
3891 | break; | |
3892 | ||
e6631814 SG |
3893 | case IB_WR_REG_SIG_MR: |
3894 | qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; | |
e622f2f4 | 3895 | mr = to_mmr(sig_handover_wr(wr)->sig_mr); |
e6631814 SG |
3896 | |
3897 | ctrl->imm = cpu_to_be32(mr->ibmr.rkey); | |
3898 | err = set_sig_umr_wr(wr, qp, &seg, &size); | |
3899 | if (err) { | |
3900 | mlx5_ib_warn(dev, "\n"); | |
3901 | *bad_wr = wr; | |
3902 | goto out; | |
3903 | } | |
3904 | ||
3905 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, | |
3906 | nreq, get_fence(fence, wr), | |
3907 | next_fence, MLX5_OPCODE_UMR); | |
3908 | /* | |
3909 | * SET_PSV WQEs are not signaled and solicited | |
3910 | * on error | |
3911 | */ | |
3912 | wr->send_flags &= ~IB_SEND_SIGNALED; | |
3913 | wr->send_flags |= IB_SEND_SOLICITED; | |
3914 | err = begin_wqe(qp, &seg, &ctrl, wr, | |
3915 | &idx, &size, nreq); | |
3916 | if (err) { | |
3917 | mlx5_ib_warn(dev, "\n"); | |
3918 | err = -ENOMEM; | |
3919 | *bad_wr = wr; | |
3920 | goto out; | |
3921 | } | |
3922 | ||
e622f2f4 | 3923 | err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, |
e6631814 SG |
3924 | mr->sig->psv_memory.psv_idx, &seg, |
3925 | &size); | |
3926 | if (err) { | |
3927 | mlx5_ib_warn(dev, "\n"); | |
3928 | *bad_wr = wr; | |
3929 | goto out; | |
3930 | } | |
3931 | ||
3932 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, | |
3933 | nreq, get_fence(fence, wr), | |
3934 | next_fence, MLX5_OPCODE_SET_PSV); | |
3935 | err = begin_wqe(qp, &seg, &ctrl, wr, | |
3936 | &idx, &size, nreq); | |
3937 | if (err) { | |
3938 | mlx5_ib_warn(dev, "\n"); | |
3939 | err = -ENOMEM; | |
3940 | *bad_wr = wr; | |
3941 | goto out; | |
3942 | } | |
3943 | ||
3944 | next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; | |
e622f2f4 | 3945 | err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, |
e6631814 SG |
3946 | mr->sig->psv_wire.psv_idx, &seg, |
3947 | &size); | |
3948 | if (err) { | |
3949 | mlx5_ib_warn(dev, "\n"); | |
3950 | *bad_wr = wr; | |
3951 | goto out; | |
3952 | } | |
3953 | ||
3954 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, | |
3955 | nreq, get_fence(fence, wr), | |
3956 | next_fence, MLX5_OPCODE_SET_PSV); | |
3957 | num_sge = 0; | |
3958 | goto skip_psv; | |
3959 | ||
e126ba97 EC |
3960 | default: |
3961 | break; | |
3962 | } | |
3963 | break; | |
3964 | ||
3965 | case IB_QPT_UC: | |
3966 | switch (wr->opcode) { | |
3967 | case IB_WR_RDMA_WRITE: | |
3968 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
e622f2f4 CH |
3969 | set_raddr_seg(seg, rdma_wr(wr)->remote_addr, |
3970 | rdma_wr(wr)->rkey); | |
e126ba97 EC |
3971 | seg += sizeof(struct mlx5_wqe_raddr_seg); |
3972 | size += sizeof(struct mlx5_wqe_raddr_seg) / 16; | |
3973 | break; | |
3974 | ||
3975 | default: | |
3976 | break; | |
3977 | } | |
3978 | break; | |
3979 | ||
e126ba97 | 3980 | case IB_QPT_SMI: |
d16e91da | 3981 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 | 3982 | set_datagram_seg(seg, wr); |
f241e749 | 3983 | seg += sizeof(struct mlx5_wqe_datagram_seg); |
e126ba97 EC |
3984 | size += sizeof(struct mlx5_wqe_datagram_seg) / 16; |
3985 | if (unlikely((seg == qend))) | |
3986 | seg = mlx5_get_send_wqe(qp, 0); | |
3987 | break; | |
f0313965 ES |
3988 | case IB_QPT_UD: |
3989 | set_datagram_seg(seg, wr); | |
3990 | seg += sizeof(struct mlx5_wqe_datagram_seg); | |
3991 | size += sizeof(struct mlx5_wqe_datagram_seg) / 16; | |
3992 | ||
3993 | if (unlikely((seg == qend))) | |
3994 | seg = mlx5_get_send_wqe(qp, 0); | |
3995 | ||
3996 | /* handle qp that supports ud offload */ | |
3997 | if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { | |
3998 | struct mlx5_wqe_eth_pad *pad; | |
e126ba97 | 3999 | |
f0313965 ES |
4000 | pad = seg; |
4001 | memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); | |
4002 | seg += sizeof(struct mlx5_wqe_eth_pad); | |
4003 | size += sizeof(struct mlx5_wqe_eth_pad) / 16; | |
4004 | ||
4005 | seg = set_eth_seg(seg, wr, qend, qp, &size); | |
4006 | ||
4007 | if (unlikely((seg == qend))) | |
4008 | seg = mlx5_get_send_wqe(qp, 0); | |
4009 | } | |
4010 | break; | |
e126ba97 EC |
4011 | case MLX5_IB_QPT_REG_UMR: |
4012 | if (wr->opcode != MLX5_IB_WR_UMR) { | |
4013 | err = -EINVAL; | |
4014 | mlx5_ib_warn(dev, "bad opcode\n"); | |
4015 | goto out; | |
4016 | } | |
4017 | qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; | |
e622f2f4 | 4018 | ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); |
578e7264 | 4019 | set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); |
e126ba97 EC |
4020 | seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
4021 | size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
4022 | if (unlikely((seg == qend))) | |
4023 | seg = mlx5_get_send_wqe(qp, 0); | |
4024 | set_reg_mkey_segment(seg, wr); | |
4025 | seg += sizeof(struct mlx5_mkey_seg); | |
4026 | size += sizeof(struct mlx5_mkey_seg) / 16; | |
4027 | if (unlikely((seg == qend))) | |
4028 | seg = mlx5_get_send_wqe(qp, 0); | |
4029 | break; | |
4030 | ||
4031 | default: | |
4032 | break; | |
4033 | } | |
4034 | ||
4035 | if (wr->send_flags & IB_SEND_INLINE && num_sge) { | |
4036 | int uninitialized_var(sz); | |
4037 | ||
4038 | err = set_data_inl_seg(qp, wr, seg, &sz); | |
4039 | if (unlikely(err)) { | |
4040 | mlx5_ib_warn(dev, "\n"); | |
4041 | *bad_wr = wr; | |
4042 | goto out; | |
4043 | } | |
4044 | inl = 1; | |
4045 | size += sz; | |
4046 | } else { | |
4047 | dpseg = seg; | |
4048 | for (i = 0; i < num_sge; i++) { | |
4049 | if (unlikely(dpseg == qend)) { | |
4050 | seg = mlx5_get_send_wqe(qp, 0); | |
4051 | dpseg = seg; | |
4052 | } | |
4053 | if (likely(wr->sg_list[i].length)) { | |
4054 | set_data_ptr_seg(dpseg, wr->sg_list + i); | |
4055 | size += sizeof(struct mlx5_wqe_data_seg) / 16; | |
4056 | dpseg++; | |
4057 | } | |
4058 | } | |
4059 | } | |
4060 | ||
6e5eadac SG |
4061 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, |
4062 | get_fence(fence, wr), next_fence, | |
4063 | mlx5_ib_opcode[wr->opcode]); | |
e6631814 | 4064 | skip_psv: |
e126ba97 EC |
4065 | if (0) |
4066 | dump_wqe(qp, idx, size); | |
4067 | } | |
4068 | ||
4069 | out: | |
4070 | if (likely(nreq)) { | |
4071 | qp->sq.head += nreq; | |
4072 | ||
4073 | /* Make sure that descriptors are written before | |
4074 | * updating doorbell record and ringing the doorbell | |
4075 | */ | |
4076 | wmb(); | |
4077 | ||
4078 | qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); | |
4079 | ||
ada388f7 EC |
4080 | /* Make sure doorbell record is visible to the HCA before |
4081 | * we hit doorbell */ | |
4082 | wmb(); | |
4083 | ||
5fe9dec0 EC |
4084 | /* currently we support only regular doorbells */ |
4085 | mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); | |
4086 | /* Make sure doorbells don't leak out of SQ spinlock | |
4087 | * and reach the HCA out of order. | |
4088 | */ | |
4089 | mmiowb(); | |
e126ba97 | 4090 | bf->offset ^= bf->buf_size; |
e126ba97 EC |
4091 | } |
4092 | ||
4093 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
4094 | ||
4095 | return err; | |
4096 | } | |
4097 | ||
4098 | static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) | |
4099 | { | |
4100 | sig->signature = calc_sig(sig, size); | |
4101 | } | |
4102 | ||
4103 | int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, | |
4104 | struct ib_recv_wr **bad_wr) | |
4105 | { | |
4106 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
4107 | struct mlx5_wqe_data_seg *scat; | |
4108 | struct mlx5_rwqe_sig *sig; | |
89ea94a7 MG |
4109 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
4110 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 EC |
4111 | unsigned long flags; |
4112 | int err = 0; | |
4113 | int nreq; | |
4114 | int ind; | |
4115 | int i; | |
4116 | ||
d16e91da HE |
4117 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
4118 | return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); | |
4119 | ||
e126ba97 EC |
4120 | spin_lock_irqsave(&qp->rq.lock, flags); |
4121 | ||
89ea94a7 MG |
4122 | if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { |
4123 | err = -EIO; | |
4124 | *bad_wr = wr; | |
4125 | nreq = 0; | |
4126 | goto out; | |
4127 | } | |
4128 | ||
e126ba97 EC |
4129 | ind = qp->rq.head & (qp->rq.wqe_cnt - 1); |
4130 | ||
4131 | for (nreq = 0; wr; nreq++, wr = wr->next) { | |
4132 | if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { | |
4133 | err = -ENOMEM; | |
4134 | *bad_wr = wr; | |
4135 | goto out; | |
4136 | } | |
4137 | ||
4138 | if (unlikely(wr->num_sge > qp->rq.max_gs)) { | |
4139 | err = -EINVAL; | |
4140 | *bad_wr = wr; | |
4141 | goto out; | |
4142 | } | |
4143 | ||
4144 | scat = get_recv_wqe(qp, ind); | |
4145 | if (qp->wq_sig) | |
4146 | scat++; | |
4147 | ||
4148 | for (i = 0; i < wr->num_sge; i++) | |
4149 | set_data_ptr_seg(scat + i, wr->sg_list + i); | |
4150 | ||
4151 | if (i < qp->rq.max_gs) { | |
4152 | scat[i].byte_count = 0; | |
4153 | scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); | |
4154 | scat[i].addr = 0; | |
4155 | } | |
4156 | ||
4157 | if (qp->wq_sig) { | |
4158 | sig = (struct mlx5_rwqe_sig *)scat; | |
4159 | set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); | |
4160 | } | |
4161 | ||
4162 | qp->rq.wrid[ind] = wr->wr_id; | |
4163 | ||
4164 | ind = (ind + 1) & (qp->rq.wqe_cnt - 1); | |
4165 | } | |
4166 | ||
4167 | out: | |
4168 | if (likely(nreq)) { | |
4169 | qp->rq.head += nreq; | |
4170 | ||
4171 | /* Make sure that descriptors are written before | |
4172 | * doorbell record. | |
4173 | */ | |
4174 | wmb(); | |
4175 | ||
4176 | *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); | |
4177 | } | |
4178 | ||
4179 | spin_unlock_irqrestore(&qp->rq.lock, flags); | |
4180 | ||
4181 | return err; | |
4182 | } | |
4183 | ||
4184 | static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) | |
4185 | { | |
4186 | switch (mlx5_state) { | |
4187 | case MLX5_QP_STATE_RST: return IB_QPS_RESET; | |
4188 | case MLX5_QP_STATE_INIT: return IB_QPS_INIT; | |
4189 | case MLX5_QP_STATE_RTR: return IB_QPS_RTR; | |
4190 | case MLX5_QP_STATE_RTS: return IB_QPS_RTS; | |
4191 | case MLX5_QP_STATE_SQ_DRAINING: | |
4192 | case MLX5_QP_STATE_SQD: return IB_QPS_SQD; | |
4193 | case MLX5_QP_STATE_SQER: return IB_QPS_SQE; | |
4194 | case MLX5_QP_STATE_ERR: return IB_QPS_ERR; | |
4195 | default: return -1; | |
4196 | } | |
4197 | } | |
4198 | ||
4199 | static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) | |
4200 | { | |
4201 | switch (mlx5_mig_state) { | |
4202 | case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; | |
4203 | case MLX5_QP_PM_REARM: return IB_MIG_REARM; | |
4204 | case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; | |
4205 | default: return -1; | |
4206 | } | |
4207 | } | |
4208 | ||
4209 | static int to_ib_qp_access_flags(int mlx5_flags) | |
4210 | { | |
4211 | int ib_flags = 0; | |
4212 | ||
4213 | if (mlx5_flags & MLX5_QP_BIT_RRE) | |
4214 | ib_flags |= IB_ACCESS_REMOTE_READ; | |
4215 | if (mlx5_flags & MLX5_QP_BIT_RWE) | |
4216 | ib_flags |= IB_ACCESS_REMOTE_WRITE; | |
4217 | if (mlx5_flags & MLX5_QP_BIT_RAE) | |
4218 | ib_flags |= IB_ACCESS_REMOTE_ATOMIC; | |
4219 | ||
4220 | return ib_flags; | |
4221 | } | |
4222 | ||
4223 | static void to_ib_ah_attr(struct mlx5_ib_dev *ibdev, struct ib_ah_attr *ib_ah_attr, | |
4224 | struct mlx5_qp_path *path) | |
4225 | { | |
9603b61d | 4226 | struct mlx5_core_dev *dev = ibdev->mdev; |
e126ba97 EC |
4227 | |
4228 | memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); | |
4229 | ib_ah_attr->port_num = path->port; | |
4230 | ||
c7a08ac7 | 4231 | if (ib_ah_attr->port_num == 0 || |
938fe83c | 4232 | ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) |
e126ba97 EC |
4233 | return; |
4234 | ||
2811ba51 | 4235 | ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; |
e126ba97 EC |
4236 | |
4237 | ib_ah_attr->dlid = be16_to_cpu(path->rlid); | |
4238 | ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; | |
4239 | ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; | |
4240 | ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; | |
4241 | if (ib_ah_attr->ah_flags) { | |
4242 | ib_ah_attr->grh.sgid_index = path->mgid_index; | |
4243 | ib_ah_attr->grh.hop_limit = path->hop_limit; | |
4244 | ib_ah_attr->grh.traffic_class = | |
4245 | (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; | |
4246 | ib_ah_attr->grh.flow_label = | |
4247 | be32_to_cpu(path->tclass_flowlabel) & 0xfffff; | |
4248 | memcpy(ib_ah_attr->grh.dgid.raw, | |
4249 | path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); | |
4250 | } | |
4251 | } | |
4252 | ||
6d2f89df | 4253 | static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, |
4254 | struct mlx5_ib_sq *sq, | |
4255 | u8 *sq_state) | |
4256 | { | |
4257 | void *out; | |
4258 | void *sqc; | |
4259 | int inlen; | |
4260 | int err; | |
4261 | ||
4262 | inlen = MLX5_ST_SZ_BYTES(query_sq_out); | |
4263 | out = mlx5_vzalloc(inlen); | |
4264 | if (!out) | |
4265 | return -ENOMEM; | |
4266 | ||
4267 | err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); | |
4268 | if (err) | |
4269 | goto out; | |
4270 | ||
4271 | sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); | |
4272 | *sq_state = MLX5_GET(sqc, sqc, state); | |
4273 | sq->state = *sq_state; | |
4274 | ||
4275 | out: | |
4276 | kvfree(out); | |
4277 | return err; | |
4278 | } | |
4279 | ||
4280 | static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, | |
4281 | struct mlx5_ib_rq *rq, | |
4282 | u8 *rq_state) | |
4283 | { | |
4284 | void *out; | |
4285 | void *rqc; | |
4286 | int inlen; | |
4287 | int err; | |
4288 | ||
4289 | inlen = MLX5_ST_SZ_BYTES(query_rq_out); | |
4290 | out = mlx5_vzalloc(inlen); | |
4291 | if (!out) | |
4292 | return -ENOMEM; | |
4293 | ||
4294 | err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); | |
4295 | if (err) | |
4296 | goto out; | |
4297 | ||
4298 | rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); | |
4299 | *rq_state = MLX5_GET(rqc, rqc, state); | |
4300 | rq->state = *rq_state; | |
4301 | ||
4302 | out: | |
4303 | kvfree(out); | |
4304 | return err; | |
4305 | } | |
4306 | ||
4307 | static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, | |
4308 | struct mlx5_ib_qp *qp, u8 *qp_state) | |
4309 | { | |
4310 | static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { | |
4311 | [MLX5_RQC_STATE_RST] = { | |
4312 | [MLX5_SQC_STATE_RST] = IB_QPS_RESET, | |
4313 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, | |
4314 | [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, | |
4315 | [MLX5_SQ_STATE_NA] = IB_QPS_RESET, | |
4316 | }, | |
4317 | [MLX5_RQC_STATE_RDY] = { | |
4318 | [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, | |
4319 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, | |
4320 | [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, | |
4321 | [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, | |
4322 | }, | |
4323 | [MLX5_RQC_STATE_ERR] = { | |
4324 | [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, | |
4325 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, | |
4326 | [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, | |
4327 | [MLX5_SQ_STATE_NA] = IB_QPS_ERR, | |
4328 | }, | |
4329 | [MLX5_RQ_STATE_NA] = { | |
4330 | [MLX5_SQC_STATE_RST] = IB_QPS_RESET, | |
4331 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, | |
4332 | [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, | |
4333 | [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, | |
4334 | }, | |
4335 | }; | |
4336 | ||
4337 | *qp_state = sqrq_trans[rq_state][sq_state]; | |
4338 | ||
4339 | if (*qp_state == MLX5_QP_STATE_BAD) { | |
4340 | WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", | |
4341 | qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, | |
4342 | qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); | |
4343 | return -EINVAL; | |
4344 | } | |
4345 | ||
4346 | if (*qp_state == MLX5_QP_STATE) | |
4347 | *qp_state = qp->state; | |
4348 | ||
4349 | return 0; | |
4350 | } | |
4351 | ||
4352 | static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, | |
4353 | struct mlx5_ib_qp *qp, | |
4354 | u8 *raw_packet_qp_state) | |
4355 | { | |
4356 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
4357 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
4358 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
4359 | int err; | |
4360 | u8 sq_state = MLX5_SQ_STATE_NA; | |
4361 | u8 rq_state = MLX5_RQ_STATE_NA; | |
4362 | ||
4363 | if (qp->sq.wqe_cnt) { | |
4364 | err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); | |
4365 | if (err) | |
4366 | return err; | |
4367 | } | |
4368 | ||
4369 | if (qp->rq.wqe_cnt) { | |
4370 | err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); | |
4371 | if (err) | |
4372 | return err; | |
4373 | } | |
4374 | ||
4375 | return sqrq_state_to_qp_state(sq_state, rq_state, qp, | |
4376 | raw_packet_qp_state); | |
4377 | } | |
4378 | ||
4379 | static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
4380 | struct ib_qp_attr *qp_attr) | |
e126ba97 | 4381 | { |
09a7d9ec | 4382 | int outlen = MLX5_ST_SZ_BYTES(query_qp_out); |
e126ba97 EC |
4383 | struct mlx5_qp_context *context; |
4384 | int mlx5_state; | |
09a7d9ec | 4385 | u32 *outb; |
e126ba97 EC |
4386 | int err = 0; |
4387 | ||
09a7d9ec | 4388 | outb = kzalloc(outlen, GFP_KERNEL); |
6d2f89df | 4389 | if (!outb) |
4390 | return -ENOMEM; | |
4391 | ||
19098df2 | 4392 | err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, |
09a7d9ec | 4393 | outlen); |
e126ba97 | 4394 | if (err) |
6d2f89df | 4395 | goto out; |
e126ba97 | 4396 | |
09a7d9ec SM |
4397 | /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ |
4398 | context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); | |
4399 | ||
e126ba97 EC |
4400 | mlx5_state = be32_to_cpu(context->flags) >> 28; |
4401 | ||
4402 | qp->state = to_ib_qp_state(mlx5_state); | |
e126ba97 EC |
4403 | qp_attr->path_mtu = context->mtu_msgmax >> 5; |
4404 | qp_attr->path_mig_state = | |
4405 | to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); | |
4406 | qp_attr->qkey = be32_to_cpu(context->qkey); | |
4407 | qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; | |
4408 | qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; | |
4409 | qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; | |
4410 | qp_attr->qp_access_flags = | |
4411 | to_ib_qp_access_flags(be32_to_cpu(context->params2)); | |
4412 | ||
4413 | if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { | |
4414 | to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); | |
4415 | to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); | |
d3ae2bde NO |
4416 | qp_attr->alt_pkey_index = |
4417 | be16_to_cpu(context->alt_path.pkey_index); | |
e126ba97 EC |
4418 | qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; |
4419 | } | |
4420 | ||
d3ae2bde | 4421 | qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); |
e126ba97 EC |
4422 | qp_attr->port_num = context->pri_path.port; |
4423 | ||
4424 | /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ | |
4425 | qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; | |
4426 | ||
4427 | qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); | |
4428 | ||
4429 | qp_attr->max_dest_rd_atomic = | |
4430 | 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); | |
4431 | qp_attr->min_rnr_timer = | |
4432 | (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; | |
4433 | qp_attr->timeout = context->pri_path.ackto_lt >> 3; | |
4434 | qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; | |
4435 | qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; | |
4436 | qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; | |
6d2f89df | 4437 | |
4438 | out: | |
4439 | kfree(outb); | |
4440 | return err; | |
4441 | } | |
4442 | ||
4443 | int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, | |
4444 | int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) | |
4445 | { | |
4446 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
4447 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
4448 | int err = 0; | |
4449 | u8 raw_packet_qp_state; | |
4450 | ||
28d61370 YH |
4451 | if (ibqp->rwq_ind_tbl) |
4452 | return -ENOSYS; | |
4453 | ||
d16e91da HE |
4454 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
4455 | return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, | |
4456 | qp_init_attr); | |
4457 | ||
6d2f89df | 4458 | mutex_lock(&qp->mutex); |
4459 | ||
4460 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { | |
4461 | err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); | |
4462 | if (err) | |
4463 | goto out; | |
4464 | qp->state = raw_packet_qp_state; | |
4465 | qp_attr->port_num = 1; | |
4466 | } else { | |
4467 | err = query_qp_attr(dev, qp, qp_attr); | |
4468 | if (err) | |
4469 | goto out; | |
4470 | } | |
4471 | ||
4472 | qp_attr->qp_state = qp->state; | |
e126ba97 EC |
4473 | qp_attr->cur_qp_state = qp_attr->qp_state; |
4474 | qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; | |
4475 | qp_attr->cap.max_recv_sge = qp->rq.max_gs; | |
4476 | ||
4477 | if (!ibqp->uobject) { | |
0540d814 | 4478 | qp_attr->cap.max_send_wr = qp->sq.max_post; |
e126ba97 | 4479 | qp_attr->cap.max_send_sge = qp->sq.max_gs; |
0540d814 | 4480 | qp_init_attr->qp_context = ibqp->qp_context; |
e126ba97 EC |
4481 | } else { |
4482 | qp_attr->cap.max_send_wr = 0; | |
4483 | qp_attr->cap.max_send_sge = 0; | |
4484 | } | |
4485 | ||
0540d814 NO |
4486 | qp_init_attr->qp_type = ibqp->qp_type; |
4487 | qp_init_attr->recv_cq = ibqp->recv_cq; | |
4488 | qp_init_attr->send_cq = ibqp->send_cq; | |
4489 | qp_init_attr->srq = ibqp->srq; | |
4490 | qp_attr->cap.max_inline_data = qp->max_inline_data; | |
e126ba97 EC |
4491 | |
4492 | qp_init_attr->cap = qp_attr->cap; | |
4493 | ||
4494 | qp_init_attr->create_flags = 0; | |
4495 | if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) | |
4496 | qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; | |
4497 | ||
051f2630 LR |
4498 | if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) |
4499 | qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; | |
4500 | if (qp->flags & MLX5_IB_QP_MANAGED_SEND) | |
4501 | qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; | |
4502 | if (qp->flags & MLX5_IB_QP_MANAGED_RECV) | |
4503 | qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; | |
b11a4f9c HE |
4504 | if (qp->flags & MLX5_IB_QP_SQPN_QP1) |
4505 | qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); | |
051f2630 | 4506 | |
e126ba97 EC |
4507 | qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? |
4508 | IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; | |
4509 | ||
e126ba97 EC |
4510 | out: |
4511 | mutex_unlock(&qp->mutex); | |
4512 | return err; | |
4513 | } | |
4514 | ||
4515 | struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, | |
4516 | struct ib_ucontext *context, | |
4517 | struct ib_udata *udata) | |
4518 | { | |
4519 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
4520 | struct mlx5_ib_xrcd *xrcd; | |
4521 | int err; | |
4522 | ||
938fe83c | 4523 | if (!MLX5_CAP_GEN(dev->mdev, xrc)) |
e126ba97 EC |
4524 | return ERR_PTR(-ENOSYS); |
4525 | ||
4526 | xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); | |
4527 | if (!xrcd) | |
4528 | return ERR_PTR(-ENOMEM); | |
4529 | ||
9603b61d | 4530 | err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); |
e126ba97 EC |
4531 | if (err) { |
4532 | kfree(xrcd); | |
4533 | return ERR_PTR(-ENOMEM); | |
4534 | } | |
4535 | ||
4536 | return &xrcd->ibxrcd; | |
4537 | } | |
4538 | ||
4539 | int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
4540 | { | |
4541 | struct mlx5_ib_dev *dev = to_mdev(xrcd->device); | |
4542 | u32 xrcdn = to_mxrcd(xrcd)->xrcdn; | |
4543 | int err; | |
4544 | ||
9603b61d | 4545 | err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); |
e126ba97 EC |
4546 | if (err) { |
4547 | mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); | |
4548 | return err; | |
4549 | } | |
4550 | ||
4551 | kfree(xrcd); | |
4552 | ||
4553 | return 0; | |
4554 | } | |
79b20a6c | 4555 | |
350d0e4c YH |
4556 | static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) |
4557 | { | |
4558 | struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); | |
4559 | struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); | |
4560 | struct ib_event event; | |
4561 | ||
4562 | if (rwq->ibwq.event_handler) { | |
4563 | event.device = rwq->ibwq.device; | |
4564 | event.element.wq = &rwq->ibwq; | |
4565 | switch (type) { | |
4566 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: | |
4567 | event.event = IB_EVENT_WQ_FATAL; | |
4568 | break; | |
4569 | default: | |
4570 | mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); | |
4571 | return; | |
4572 | } | |
4573 | ||
4574 | rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); | |
4575 | } | |
4576 | } | |
4577 | ||
79b20a6c YH |
4578 | static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, |
4579 | struct ib_wq_init_attr *init_attr) | |
4580 | { | |
4581 | struct mlx5_ib_dev *dev; | |
4582 | __be64 *rq_pas0; | |
4583 | void *in; | |
4584 | void *rqc; | |
4585 | void *wq; | |
4586 | int inlen; | |
4587 | int err; | |
4588 | ||
4589 | dev = to_mdev(pd->device); | |
4590 | ||
4591 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; | |
4592 | in = mlx5_vzalloc(inlen); | |
4593 | if (!in) | |
4594 | return -ENOMEM; | |
4595 | ||
4596 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
4597 | MLX5_SET(rqc, rqc, mem_rq_type, | |
4598 | MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); | |
4599 | MLX5_SET(rqc, rqc, user_index, rwq->user_index); | |
4600 | MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); | |
4601 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); | |
4602 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
4603 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
4604 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
4605 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); | |
4606 | MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); | |
4607 | MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); | |
4608 | MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); | |
4609 | MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); | |
4610 | MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); | |
4611 | MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); | |
4612 | MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); | |
4613 | rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); | |
4614 | mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); | |
350d0e4c | 4615 | err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); |
79b20a6c YH |
4616 | kvfree(in); |
4617 | return err; | |
4618 | } | |
4619 | ||
4620 | static int set_user_rq_size(struct mlx5_ib_dev *dev, | |
4621 | struct ib_wq_init_attr *wq_init_attr, | |
4622 | struct mlx5_ib_create_wq *ucmd, | |
4623 | struct mlx5_ib_rwq *rwq) | |
4624 | { | |
4625 | /* Sanity check RQ size before proceeding */ | |
4626 | if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) | |
4627 | return -EINVAL; | |
4628 | ||
4629 | if (!ucmd->rq_wqe_count) | |
4630 | return -EINVAL; | |
4631 | ||
4632 | rwq->wqe_count = ucmd->rq_wqe_count; | |
4633 | rwq->wqe_shift = ucmd->rq_wqe_shift; | |
4634 | rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); | |
4635 | rwq->log_rq_stride = rwq->wqe_shift; | |
4636 | rwq->log_rq_size = ilog2(rwq->wqe_count); | |
4637 | return 0; | |
4638 | } | |
4639 | ||
4640 | static int prepare_user_rq(struct ib_pd *pd, | |
4641 | struct ib_wq_init_attr *init_attr, | |
4642 | struct ib_udata *udata, | |
4643 | struct mlx5_ib_rwq *rwq) | |
4644 | { | |
4645 | struct mlx5_ib_dev *dev = to_mdev(pd->device); | |
4646 | struct mlx5_ib_create_wq ucmd = {}; | |
4647 | int err; | |
4648 | size_t required_cmd_sz; | |
4649 | ||
4650 | required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); | |
4651 | if (udata->inlen < required_cmd_sz) { | |
4652 | mlx5_ib_dbg(dev, "invalid inlen\n"); | |
4653 | return -EINVAL; | |
4654 | } | |
4655 | ||
4656 | if (udata->inlen > sizeof(ucmd) && | |
4657 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
4658 | udata->inlen - sizeof(ucmd))) { | |
4659 | mlx5_ib_dbg(dev, "inlen is not supported\n"); | |
4660 | return -EOPNOTSUPP; | |
4661 | } | |
4662 | ||
4663 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { | |
4664 | mlx5_ib_dbg(dev, "copy failed\n"); | |
4665 | return -EFAULT; | |
4666 | } | |
4667 | ||
4668 | if (ucmd.comp_mask) { | |
4669 | mlx5_ib_dbg(dev, "invalid comp mask\n"); | |
4670 | return -EOPNOTSUPP; | |
4671 | } | |
4672 | ||
4673 | if (ucmd.reserved) { | |
4674 | mlx5_ib_dbg(dev, "invalid reserved\n"); | |
4675 | return -EOPNOTSUPP; | |
4676 | } | |
4677 | ||
4678 | err = set_user_rq_size(dev, init_attr, &ucmd, rwq); | |
4679 | if (err) { | |
4680 | mlx5_ib_dbg(dev, "err %d\n", err); | |
4681 | return err; | |
4682 | } | |
4683 | ||
4684 | err = create_user_rq(dev, pd, rwq, &ucmd); | |
4685 | if (err) { | |
4686 | mlx5_ib_dbg(dev, "err %d\n", err); | |
4687 | if (err) | |
4688 | return err; | |
4689 | } | |
4690 | ||
4691 | rwq->user_index = ucmd.user_index; | |
4692 | return 0; | |
4693 | } | |
4694 | ||
4695 | struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, | |
4696 | struct ib_wq_init_attr *init_attr, | |
4697 | struct ib_udata *udata) | |
4698 | { | |
4699 | struct mlx5_ib_dev *dev; | |
4700 | struct mlx5_ib_rwq *rwq; | |
4701 | struct mlx5_ib_create_wq_resp resp = {}; | |
4702 | size_t min_resp_len; | |
4703 | int err; | |
4704 | ||
4705 | if (!udata) | |
4706 | return ERR_PTR(-ENOSYS); | |
4707 | ||
4708 | min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); | |
4709 | if (udata->outlen && udata->outlen < min_resp_len) | |
4710 | return ERR_PTR(-EINVAL); | |
4711 | ||
4712 | dev = to_mdev(pd->device); | |
4713 | switch (init_attr->wq_type) { | |
4714 | case IB_WQT_RQ: | |
4715 | rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); | |
4716 | if (!rwq) | |
4717 | return ERR_PTR(-ENOMEM); | |
4718 | err = prepare_user_rq(pd, init_attr, udata, rwq); | |
4719 | if (err) | |
4720 | goto err; | |
4721 | err = create_rq(rwq, pd, init_attr); | |
4722 | if (err) | |
4723 | goto err_user_rq; | |
4724 | break; | |
4725 | default: | |
4726 | mlx5_ib_dbg(dev, "unsupported wq type %d\n", | |
4727 | init_attr->wq_type); | |
4728 | return ERR_PTR(-EINVAL); | |
4729 | } | |
4730 | ||
350d0e4c | 4731 | rwq->ibwq.wq_num = rwq->core_qp.qpn; |
79b20a6c YH |
4732 | rwq->ibwq.state = IB_WQS_RESET; |
4733 | if (udata->outlen) { | |
4734 | resp.response_length = offsetof(typeof(resp), response_length) + | |
4735 | sizeof(resp.response_length); | |
4736 | err = ib_copy_to_udata(udata, &resp, resp.response_length); | |
4737 | if (err) | |
4738 | goto err_copy; | |
4739 | } | |
4740 | ||
350d0e4c YH |
4741 | rwq->core_qp.event = mlx5_ib_wq_event; |
4742 | rwq->ibwq.event_handler = init_attr->event_handler; | |
79b20a6c YH |
4743 | return &rwq->ibwq; |
4744 | ||
4745 | err_copy: | |
350d0e4c | 4746 | mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); |
79b20a6c YH |
4747 | err_user_rq: |
4748 | destroy_user_rq(pd, rwq); | |
4749 | err: | |
4750 | kfree(rwq); | |
4751 | return ERR_PTR(err); | |
4752 | } | |
4753 | ||
4754 | int mlx5_ib_destroy_wq(struct ib_wq *wq) | |
4755 | { | |
4756 | struct mlx5_ib_dev *dev = to_mdev(wq->device); | |
4757 | struct mlx5_ib_rwq *rwq = to_mrwq(wq); | |
4758 | ||
350d0e4c | 4759 | mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); |
79b20a6c YH |
4760 | destroy_user_rq(wq->pd, rwq); |
4761 | kfree(rwq); | |
4762 | ||
4763 | return 0; | |
4764 | } | |
4765 | ||
c5f90929 YH |
4766 | struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, |
4767 | struct ib_rwq_ind_table_init_attr *init_attr, | |
4768 | struct ib_udata *udata) | |
4769 | { | |
4770 | struct mlx5_ib_dev *dev = to_mdev(device); | |
4771 | struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; | |
4772 | int sz = 1 << init_attr->log_ind_tbl_size; | |
4773 | struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; | |
4774 | size_t min_resp_len; | |
4775 | int inlen; | |
4776 | int err; | |
4777 | int i; | |
4778 | u32 *in; | |
4779 | void *rqtc; | |
4780 | ||
4781 | if (udata->inlen > 0 && | |
4782 | !ib_is_udata_cleared(udata, 0, | |
4783 | udata->inlen)) | |
4784 | return ERR_PTR(-EOPNOTSUPP); | |
4785 | ||
efd7f400 MG |
4786 | if (init_attr->log_ind_tbl_size > |
4787 | MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { | |
4788 | mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", | |
4789 | init_attr->log_ind_tbl_size, | |
4790 | MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); | |
4791 | return ERR_PTR(-EINVAL); | |
4792 | } | |
4793 | ||
c5f90929 YH |
4794 | min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); |
4795 | if (udata->outlen && udata->outlen < min_resp_len) | |
4796 | return ERR_PTR(-EINVAL); | |
4797 | ||
4798 | rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); | |
4799 | if (!rwq_ind_tbl) | |
4800 | return ERR_PTR(-ENOMEM); | |
4801 | ||
4802 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; | |
4803 | in = mlx5_vzalloc(inlen); | |
4804 | if (!in) { | |
4805 | err = -ENOMEM; | |
4806 | goto err; | |
4807 | } | |
4808 | ||
4809 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
4810 | ||
4811 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
4812 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
4813 | ||
4814 | for (i = 0; i < sz; i++) | |
4815 | MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); | |
4816 | ||
4817 | err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); | |
4818 | kvfree(in); | |
4819 | ||
4820 | if (err) | |
4821 | goto err; | |
4822 | ||
4823 | rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; | |
4824 | if (udata->outlen) { | |
4825 | resp.response_length = offsetof(typeof(resp), response_length) + | |
4826 | sizeof(resp.response_length); | |
4827 | err = ib_copy_to_udata(udata, &resp, resp.response_length); | |
4828 | if (err) | |
4829 | goto err_copy; | |
4830 | } | |
4831 | ||
4832 | return &rwq_ind_tbl->ib_rwq_ind_tbl; | |
4833 | ||
4834 | err_copy: | |
4835 | mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); | |
4836 | err: | |
4837 | kfree(rwq_ind_tbl); | |
4838 | return ERR_PTR(err); | |
4839 | } | |
4840 | ||
4841 | int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) | |
4842 | { | |
4843 | struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); | |
4844 | struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); | |
4845 | ||
4846 | mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); | |
4847 | ||
4848 | kfree(rwq_ind_tbl); | |
4849 | return 0; | |
4850 | } | |
4851 | ||
79b20a6c YH |
4852 | int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, |
4853 | u32 wq_attr_mask, struct ib_udata *udata) | |
4854 | { | |
4855 | struct mlx5_ib_dev *dev = to_mdev(wq->device); | |
4856 | struct mlx5_ib_rwq *rwq = to_mrwq(wq); | |
4857 | struct mlx5_ib_modify_wq ucmd = {}; | |
4858 | size_t required_cmd_sz; | |
4859 | int curr_wq_state; | |
4860 | int wq_state; | |
4861 | int inlen; | |
4862 | int err; | |
4863 | void *rqc; | |
4864 | void *in; | |
4865 | ||
4866 | required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); | |
4867 | if (udata->inlen < required_cmd_sz) | |
4868 | return -EINVAL; | |
4869 | ||
4870 | if (udata->inlen > sizeof(ucmd) && | |
4871 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
4872 | udata->inlen - sizeof(ucmd))) | |
4873 | return -EOPNOTSUPP; | |
4874 | ||
4875 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) | |
4876 | return -EFAULT; | |
4877 | ||
4878 | if (ucmd.comp_mask || ucmd.reserved) | |
4879 | return -EOPNOTSUPP; | |
4880 | ||
4881 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
4882 | in = mlx5_vzalloc(inlen); | |
4883 | if (!in) | |
4884 | return -ENOMEM; | |
4885 | ||
4886 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
4887 | ||
4888 | curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? | |
4889 | wq_attr->curr_wq_state : wq->state; | |
4890 | wq_state = (wq_attr_mask & IB_WQ_STATE) ? | |
4891 | wq_attr->wq_state : curr_wq_state; | |
4892 | if (curr_wq_state == IB_WQS_ERR) | |
4893 | curr_wq_state = MLX5_RQC_STATE_ERR; | |
4894 | if (wq_state == IB_WQS_ERR) | |
4895 | wq_state = MLX5_RQC_STATE_ERR; | |
4896 | MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); | |
4897 | MLX5_SET(rqc, rqc, state, wq_state); | |
4898 | ||
350d0e4c | 4899 | err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); |
79b20a6c YH |
4900 | kvfree(in); |
4901 | if (!err) | |
4902 | rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; | |
4903 | ||
4904 | return err; | |
4905 | } |