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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; | |
1b9a07ee | 826 | *in = kvzalloc(*inlen, GFP_KERNEL); |
e126ba97 EC |
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 | 899 | IB_QP_CREATE_IPOIB_UD_LSO | |
93d576af | 900 | IB_QP_CREATE_NETIF_QP | |
b11a4f9c | 901 | mlx5_ib_create_qp_sqpn_qp1())) |
1a4c3a3d | 902 | return -EINVAL; |
e126ba97 EC |
903 | |
904 | if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) | |
5fe9dec0 EC |
905 | qp->bf.bfreg = &dev->fp_bfreg; |
906 | else | |
907 | qp->bf.bfreg = &dev->bfreg; | |
e126ba97 | 908 | |
d8030b0d EC |
909 | /* We need to divide by two since each register is comprised of |
910 | * two buffers of identical size, namely odd and even | |
911 | */ | |
912 | qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; | |
5fe9dec0 | 913 | uar_index = qp->bf.bfreg->index; |
e126ba97 EC |
914 | |
915 | err = calc_sq_size(dev, init_attr, qp); | |
916 | if (err < 0) { | |
917 | mlx5_ib_dbg(dev, "err %d\n", err); | |
5fe9dec0 | 918 | return err; |
e126ba97 EC |
919 | } |
920 | ||
921 | qp->rq.offset = 0; | |
922 | qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; | |
19098df2 | 923 | base->ubuffer.buf_size = err + (qp->rq.wqe_cnt << qp->rq.wqe_shift); |
e126ba97 | 924 | |
19098df2 | 925 | err = mlx5_buf_alloc(dev->mdev, base->ubuffer.buf_size, &qp->buf); |
e126ba97 EC |
926 | if (err) { |
927 | mlx5_ib_dbg(dev, "err %d\n", err); | |
5fe9dec0 | 928 | return err; |
e126ba97 EC |
929 | } |
930 | ||
931 | qp->sq.qend = mlx5_get_send_wqe(qp, qp->sq.wqe_cnt); | |
09a7d9ec SM |
932 | *inlen = MLX5_ST_SZ_BYTES(create_qp_in) + |
933 | MLX5_FLD_SZ_BYTES(create_qp_in, pas[0]) * qp->buf.npages; | |
1b9a07ee | 934 | *in = kvzalloc(*inlen, GFP_KERNEL); |
e126ba97 EC |
935 | if (!*in) { |
936 | err = -ENOMEM; | |
937 | goto err_buf; | |
938 | } | |
09a7d9ec SM |
939 | |
940 | qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc); | |
941 | MLX5_SET(qpc, qpc, uar_page, uar_index); | |
942 | MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT); | |
943 | ||
e126ba97 | 944 | /* Set "fast registration enabled" for all kernel QPs */ |
09a7d9ec SM |
945 | MLX5_SET(qpc, qpc, fre, 1); |
946 | MLX5_SET(qpc, qpc, rlky, 1); | |
e126ba97 | 947 | |
b11a4f9c | 948 | if (init_attr->create_flags & mlx5_ib_create_qp_sqpn_qp1()) { |
09a7d9ec | 949 | MLX5_SET(qpc, qpc, deth_sqpn, 1); |
b11a4f9c HE |
950 | qp->flags |= MLX5_IB_QP_SQPN_QP1; |
951 | } | |
952 | ||
09a7d9ec SM |
953 | mlx5_fill_page_array(&qp->buf, |
954 | (__be64 *)MLX5_ADDR_OF(create_qp_in, *in, pas)); | |
e126ba97 | 955 | |
9603b61d | 956 | err = mlx5_db_alloc(dev->mdev, &qp->db); |
e126ba97 EC |
957 | if (err) { |
958 | mlx5_ib_dbg(dev, "err %d\n", err); | |
959 | goto err_free; | |
960 | } | |
961 | ||
e126ba97 EC |
962 | qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL); |
963 | qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL); | |
964 | qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL); | |
965 | qp->sq.w_list = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.w_list), GFP_KERNEL); | |
966 | qp->sq.wqe_head = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wqe_head), GFP_KERNEL); | |
967 | ||
968 | if (!qp->sq.wrid || !qp->sq.wr_data || !qp->rq.wrid || | |
969 | !qp->sq.w_list || !qp->sq.wqe_head) { | |
970 | err = -ENOMEM; | |
971 | goto err_wrid; | |
972 | } | |
973 | qp->create_type = MLX5_QP_KERNEL; | |
974 | ||
975 | return 0; | |
976 | ||
977 | err_wrid: | |
e126ba97 EC |
978 | kfree(qp->sq.wqe_head); |
979 | kfree(qp->sq.w_list); | |
980 | kfree(qp->sq.wrid); | |
981 | kfree(qp->sq.wr_data); | |
982 | kfree(qp->rq.wrid); | |
f4044dac | 983 | mlx5_db_free(dev->mdev, &qp->db); |
e126ba97 EC |
984 | |
985 | err_free: | |
479163f4 | 986 | kvfree(*in); |
e126ba97 EC |
987 | |
988 | err_buf: | |
9603b61d | 989 | mlx5_buf_free(dev->mdev, &qp->buf); |
e126ba97 EC |
990 | return err; |
991 | } | |
992 | ||
993 | static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) | |
994 | { | |
e126ba97 EC |
995 | kfree(qp->sq.wqe_head); |
996 | kfree(qp->sq.w_list); | |
997 | kfree(qp->sq.wrid); | |
998 | kfree(qp->sq.wr_data); | |
999 | kfree(qp->rq.wrid); | |
f4044dac | 1000 | mlx5_db_free(dev->mdev, &qp->db); |
9603b61d | 1001 | mlx5_buf_free(dev->mdev, &qp->buf); |
e126ba97 EC |
1002 | } |
1003 | ||
09a7d9ec | 1004 | static u32 get_rx_type(struct mlx5_ib_qp *qp, struct ib_qp_init_attr *attr) |
e126ba97 EC |
1005 | { |
1006 | if (attr->srq || (attr->qp_type == IB_QPT_XRC_TGT) || | |
1007 | (attr->qp_type == IB_QPT_XRC_INI)) | |
09a7d9ec | 1008 | return MLX5_SRQ_RQ; |
e126ba97 | 1009 | else if (!qp->has_rq) |
09a7d9ec | 1010 | return MLX5_ZERO_LEN_RQ; |
e126ba97 | 1011 | else |
09a7d9ec | 1012 | return MLX5_NON_ZERO_RQ; |
e126ba97 EC |
1013 | } |
1014 | ||
1015 | static int is_connected(enum ib_qp_type qp_type) | |
1016 | { | |
1017 | if (qp_type == IB_QPT_RC || qp_type == IB_QPT_UC) | |
1018 | return 1; | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
0fb2ed66 | 1023 | static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev, |
1024 | struct mlx5_ib_sq *sq, u32 tdn) | |
1025 | { | |
c4f287c4 | 1026 | u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; |
0fb2ed66 | 1027 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
1028 | ||
0fb2ed66 | 1029 | MLX5_SET(tisc, tisc, transport_domain, tdn); |
0fb2ed66 | 1030 | return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn); |
1031 | } | |
1032 | ||
1033 | static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev, | |
1034 | struct mlx5_ib_sq *sq) | |
1035 | { | |
1036 | mlx5_core_destroy_tis(dev->mdev, sq->tisn); | |
1037 | } | |
1038 | ||
1039 | static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev, | |
1040 | struct mlx5_ib_sq *sq, void *qpin, | |
1041 | struct ib_pd *pd) | |
1042 | { | |
1043 | struct mlx5_ib_ubuffer *ubuffer = &sq->ubuffer; | |
1044 | __be64 *pas; | |
1045 | void *in; | |
1046 | void *sqc; | |
1047 | void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); | |
1048 | void *wq; | |
1049 | int inlen; | |
1050 | int err; | |
1051 | int page_shift = 0; | |
1052 | int npages; | |
1053 | int ncont = 0; | |
1054 | u32 offset = 0; | |
1055 | ||
1056 | err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size, | |
1057 | &sq->ubuffer.umem, &npages, &page_shift, | |
1058 | &ncont, &offset); | |
1059 | if (err) | |
1060 | return err; | |
1061 | ||
1062 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + sizeof(u64) * ncont; | |
1b9a07ee | 1063 | in = kvzalloc(inlen, GFP_KERNEL); |
0fb2ed66 | 1064 | if (!in) { |
1065 | err = -ENOMEM; | |
1066 | goto err_umem; | |
1067 | } | |
1068 | ||
1069 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); | |
1070 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); | |
1071 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); | |
1072 | MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index)); | |
1073 | MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd)); | |
1074 | MLX5_SET(sqc, sqc, tis_lst_sz, 1); | |
1075 | MLX5_SET(sqc, sqc, tis_num_0, sq->tisn); | |
1076 | ||
1077 | wq = MLX5_ADDR_OF(sqc, sqc, wq); | |
1078 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
1079 | MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); | |
1080 | MLX5_SET(wq, wq, uar_page, MLX5_GET(qpc, qpc, uar_page)); | |
1081 | MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); | |
1082 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); | |
1083 | MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_sq_size)); | |
1084 | MLX5_SET(wq, wq, log_wq_pg_sz, page_shift - MLX5_ADAPTER_PAGE_SHIFT); | |
1085 | MLX5_SET(wq, wq, page_offset, offset); | |
1086 | ||
1087 | pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); | |
1088 | mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0); | |
1089 | ||
1090 | err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp); | |
1091 | ||
1092 | kvfree(in); | |
1093 | ||
1094 | if (err) | |
1095 | goto err_umem; | |
1096 | ||
1097 | return 0; | |
1098 | ||
1099 | err_umem: | |
1100 | ib_umem_release(sq->ubuffer.umem); | |
1101 | sq->ubuffer.umem = NULL; | |
1102 | ||
1103 | return err; | |
1104 | } | |
1105 | ||
1106 | static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev, | |
1107 | struct mlx5_ib_sq *sq) | |
1108 | { | |
1109 | mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp); | |
1110 | ib_umem_release(sq->ubuffer.umem); | |
1111 | } | |
1112 | ||
1113 | static int get_rq_pas_size(void *qpc) | |
1114 | { | |
1115 | u32 log_page_size = MLX5_GET(qpc, qpc, log_page_size) + 12; | |
1116 | u32 log_rq_stride = MLX5_GET(qpc, qpc, log_rq_stride); | |
1117 | u32 log_rq_size = MLX5_GET(qpc, qpc, log_rq_size); | |
1118 | u32 page_offset = MLX5_GET(qpc, qpc, page_offset); | |
1119 | u32 po_quanta = 1 << (log_page_size - 6); | |
1120 | u32 rq_sz = 1 << (log_rq_size + 4 + log_rq_stride); | |
1121 | u32 page_size = 1 << log_page_size; | |
1122 | u32 rq_sz_po = rq_sz + (page_offset * po_quanta); | |
1123 | u32 rq_num_pas = (rq_sz_po + page_size - 1) / page_size; | |
1124 | ||
1125 | return rq_num_pas * sizeof(u64); | |
1126 | } | |
1127 | ||
1128 | static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev, | |
1129 | struct mlx5_ib_rq *rq, void *qpin) | |
1130 | { | |
358e42ea | 1131 | struct mlx5_ib_qp *mqp = rq->base.container_mibqp; |
0fb2ed66 | 1132 | __be64 *pas; |
1133 | __be64 *qp_pas; | |
1134 | void *in; | |
1135 | void *rqc; | |
1136 | void *wq; | |
1137 | void *qpc = MLX5_ADDR_OF(create_qp_in, qpin, qpc); | |
1138 | int inlen; | |
1139 | int err; | |
1140 | u32 rq_pas_size = get_rq_pas_size(qpc); | |
1141 | ||
1142 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size; | |
1b9a07ee | 1143 | in = kvzalloc(inlen, GFP_KERNEL); |
0fb2ed66 | 1144 | if (!in) |
1145 | return -ENOMEM; | |
1146 | ||
1147 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
e4cc4fa7 NO |
1148 | if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING)) |
1149 | MLX5_SET(rqc, rqc, vsd, 1); | |
0fb2ed66 | 1150 | MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); |
1151 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); | |
1152 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
1153 | MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index)); | |
1154 | MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv)); | |
1155 | ||
358e42ea MD |
1156 | if (mqp->flags & MLX5_IB_QP_CAP_SCATTER_FCS) |
1157 | MLX5_SET(rqc, rqc, scatter_fcs, 1); | |
1158 | ||
0fb2ed66 | 1159 | wq = MLX5_ADDR_OF(rqc, rqc, wq); |
1160 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
1161 | MLX5_SET(wq, wq, end_padding_mode, | |
01581fb8 | 1162 | MLX5_GET(qpc, qpc, end_padding_mode)); |
0fb2ed66 | 1163 | MLX5_SET(wq, wq, page_offset, MLX5_GET(qpc, qpc, page_offset)); |
1164 | MLX5_SET(wq, wq, pd, MLX5_GET(qpc, qpc, pd)); | |
1165 | MLX5_SET64(wq, wq, dbr_addr, MLX5_GET64(qpc, qpc, dbr_addr)); | |
1166 | MLX5_SET(wq, wq, log_wq_stride, MLX5_GET(qpc, qpc, log_rq_stride) + 4); | |
1167 | MLX5_SET(wq, wq, log_wq_pg_sz, MLX5_GET(qpc, qpc, log_page_size)); | |
1168 | MLX5_SET(wq, wq, log_wq_sz, MLX5_GET(qpc, qpc, log_rq_size)); | |
1169 | ||
1170 | pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); | |
1171 | qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas); | |
1172 | memcpy(pas, qp_pas, rq_pas_size); | |
1173 | ||
1174 | err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp); | |
1175 | ||
1176 | kvfree(in); | |
1177 | ||
1178 | return err; | |
1179 | } | |
1180 | ||
1181 | static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev, | |
1182 | struct mlx5_ib_rq *rq) | |
1183 | { | |
1184 | mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp); | |
1185 | } | |
1186 | ||
1187 | static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev, | |
1188 | struct mlx5_ib_rq *rq, u32 tdn) | |
1189 | { | |
1190 | u32 *in; | |
1191 | void *tirc; | |
1192 | int inlen; | |
1193 | int err; | |
1194 | ||
1195 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 1196 | in = kvzalloc(inlen, GFP_KERNEL); |
0fb2ed66 | 1197 | if (!in) |
1198 | return -ENOMEM; | |
1199 | ||
1200 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
1201 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); | |
1202 | MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn); | |
1203 | MLX5_SET(tirc, tirc, transport_domain, tdn); | |
1204 | ||
1205 | err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn); | |
1206 | ||
1207 | kvfree(in); | |
1208 | ||
1209 | return err; | |
1210 | } | |
1211 | ||
1212 | static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev, | |
1213 | struct mlx5_ib_rq *rq) | |
1214 | { | |
1215 | mlx5_core_destroy_tir(dev->mdev, rq->tirn); | |
1216 | } | |
1217 | ||
1218 | static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
09a7d9ec | 1219 | u32 *in, |
0fb2ed66 | 1220 | struct ib_pd *pd) |
1221 | { | |
1222 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
1223 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1224 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1225 | struct ib_uobject *uobj = pd->uobject; | |
1226 | struct ib_ucontext *ucontext = uobj->context; | |
1227 | struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); | |
1228 | int err; | |
1229 | u32 tdn = mucontext->tdn; | |
1230 | ||
1231 | if (qp->sq.wqe_cnt) { | |
1232 | err = create_raw_packet_qp_tis(dev, sq, tdn); | |
1233 | if (err) | |
1234 | return err; | |
1235 | ||
1236 | err = create_raw_packet_qp_sq(dev, sq, in, pd); | |
1237 | if (err) | |
1238 | goto err_destroy_tis; | |
1239 | ||
1240 | sq->base.container_mibqp = qp; | |
1241 | } | |
1242 | ||
1243 | if (qp->rq.wqe_cnt) { | |
358e42ea MD |
1244 | rq->base.container_mibqp = qp; |
1245 | ||
e4cc4fa7 NO |
1246 | if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING) |
1247 | rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING; | |
0fb2ed66 | 1248 | err = create_raw_packet_qp_rq(dev, rq, in); |
1249 | if (err) | |
1250 | goto err_destroy_sq; | |
1251 | ||
0fb2ed66 | 1252 | |
1253 | err = create_raw_packet_qp_tir(dev, rq, tdn); | |
1254 | if (err) | |
1255 | goto err_destroy_rq; | |
1256 | } | |
1257 | ||
1258 | qp->trans_qp.base.mqp.qpn = qp->sq.wqe_cnt ? sq->base.mqp.qpn : | |
1259 | rq->base.mqp.qpn; | |
1260 | ||
1261 | return 0; | |
1262 | ||
1263 | err_destroy_rq: | |
1264 | destroy_raw_packet_qp_rq(dev, rq); | |
1265 | err_destroy_sq: | |
1266 | if (!qp->sq.wqe_cnt) | |
1267 | return err; | |
1268 | destroy_raw_packet_qp_sq(dev, sq); | |
1269 | err_destroy_tis: | |
1270 | destroy_raw_packet_qp_tis(dev, sq); | |
1271 | ||
1272 | return err; | |
1273 | } | |
1274 | ||
1275 | static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev, | |
1276 | struct mlx5_ib_qp *qp) | |
1277 | { | |
1278 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
1279 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1280 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1281 | ||
1282 | if (qp->rq.wqe_cnt) { | |
1283 | destroy_raw_packet_qp_tir(dev, rq); | |
1284 | destroy_raw_packet_qp_rq(dev, rq); | |
1285 | } | |
1286 | ||
1287 | if (qp->sq.wqe_cnt) { | |
1288 | destroy_raw_packet_qp_sq(dev, sq); | |
1289 | destroy_raw_packet_qp_tis(dev, sq); | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | static void raw_packet_qp_copy_info(struct mlx5_ib_qp *qp, | |
1294 | struct mlx5_ib_raw_packet_qp *raw_packet_qp) | |
1295 | { | |
1296 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
1297 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
1298 | ||
1299 | sq->sq = &qp->sq; | |
1300 | rq->rq = &qp->rq; | |
1301 | sq->doorbell = &qp->db; | |
1302 | rq->doorbell = &qp->db; | |
1303 | } | |
1304 | ||
28d61370 YH |
1305 | static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) |
1306 | { | |
1307 | mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn); | |
1308 | } | |
1309 | ||
1310 | static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
1311 | struct ib_pd *pd, | |
1312 | struct ib_qp_init_attr *init_attr, | |
1313 | struct ib_udata *udata) | |
1314 | { | |
1315 | struct ib_uobject *uobj = pd->uobject; | |
1316 | struct ib_ucontext *ucontext = uobj->context; | |
1317 | struct mlx5_ib_ucontext *mucontext = to_mucontext(ucontext); | |
1318 | struct mlx5_ib_create_qp_resp resp = {}; | |
1319 | int inlen; | |
1320 | int err; | |
1321 | u32 *in; | |
1322 | void *tirc; | |
1323 | void *hfso; | |
1324 | u32 selected_fields = 0; | |
1325 | size_t min_resp_len; | |
1326 | u32 tdn = mucontext->tdn; | |
1327 | struct mlx5_ib_create_qp_rss ucmd = {}; | |
1328 | size_t required_cmd_sz; | |
1329 | ||
1330 | if (init_attr->qp_type != IB_QPT_RAW_PACKET) | |
1331 | return -EOPNOTSUPP; | |
1332 | ||
1333 | if (init_attr->create_flags || init_attr->send_cq) | |
1334 | return -EINVAL; | |
1335 | ||
2f5ff264 | 1336 | min_resp_len = offsetof(typeof(resp), bfreg_index) + sizeof(resp.bfreg_index); |
28d61370 YH |
1337 | if (udata->outlen < min_resp_len) |
1338 | return -EINVAL; | |
1339 | ||
1340 | required_cmd_sz = offsetof(typeof(ucmd), reserved1) + sizeof(ucmd.reserved1); | |
1341 | if (udata->inlen < required_cmd_sz) { | |
1342 | mlx5_ib_dbg(dev, "invalid inlen\n"); | |
1343 | return -EINVAL; | |
1344 | } | |
1345 | ||
1346 | if (udata->inlen > sizeof(ucmd) && | |
1347 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
1348 | udata->inlen - sizeof(ucmd))) { | |
1349 | mlx5_ib_dbg(dev, "inlen is not supported\n"); | |
1350 | return -EOPNOTSUPP; | |
1351 | } | |
1352 | ||
1353 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { | |
1354 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1355 | return -EFAULT; | |
1356 | } | |
1357 | ||
1358 | if (ucmd.comp_mask) { | |
1359 | mlx5_ib_dbg(dev, "invalid comp mask\n"); | |
1360 | return -EOPNOTSUPP; | |
1361 | } | |
1362 | ||
1363 | if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)) || ucmd.reserved1) { | |
1364 | mlx5_ib_dbg(dev, "invalid reserved\n"); | |
1365 | return -EOPNOTSUPP; | |
1366 | } | |
1367 | ||
1368 | err = ib_copy_to_udata(udata, &resp, min_resp_len); | |
1369 | if (err) { | |
1370 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1371 | return -EINVAL; | |
1372 | } | |
1373 | ||
1374 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); | |
1b9a07ee | 1375 | in = kvzalloc(inlen, GFP_KERNEL); |
28d61370 YH |
1376 | if (!in) |
1377 | return -ENOMEM; | |
1378 | ||
1379 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); | |
1380 | MLX5_SET(tirc, tirc, disp_type, | |
1381 | MLX5_TIRC_DISP_TYPE_INDIRECT); | |
1382 | MLX5_SET(tirc, tirc, indirect_table, | |
1383 | init_attr->rwq_ind_tbl->ind_tbl_num); | |
1384 | MLX5_SET(tirc, tirc, transport_domain, tdn); | |
1385 | ||
1386 | hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); | |
1387 | switch (ucmd.rx_hash_function) { | |
1388 | case MLX5_RX_HASH_FUNC_TOEPLITZ: | |
1389 | { | |
1390 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); | |
1391 | size_t len = MLX5_FLD_SZ_BYTES(tirc, rx_hash_toeplitz_key); | |
1392 | ||
1393 | if (len != ucmd.rx_key_len) { | |
1394 | err = -EINVAL; | |
1395 | goto err; | |
1396 | } | |
1397 | ||
1398 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ); | |
1399 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); | |
1400 | memcpy(rss_key, ucmd.rx_hash_key, len); | |
1401 | break; | |
1402 | } | |
1403 | default: | |
1404 | err = -EOPNOTSUPP; | |
1405 | goto err; | |
1406 | } | |
1407 | ||
1408 | if (!ucmd.rx_hash_fields_mask) { | |
1409 | /* special case when this TIR serves as steering entry without hashing */ | |
1410 | if (!init_attr->rwq_ind_tbl->log_ind_tbl_size) | |
1411 | goto create_tir; | |
1412 | err = -EINVAL; | |
1413 | goto err; | |
1414 | } | |
1415 | ||
1416 | if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1417 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) && | |
1418 | ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || | |
1419 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6))) { | |
1420 | err = -EINVAL; | |
1421 | goto err; | |
1422 | } | |
1423 | ||
1424 | /* If none of IPV4 & IPV6 SRC/DST was set - this bit field is ignored */ | |
1425 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1426 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4)) | |
1427 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1428 | MLX5_L3_PROT_TYPE_IPV4); | |
1429 | else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6) || | |
1430 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) | |
1431 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, | |
1432 | MLX5_L3_PROT_TYPE_IPV6); | |
1433 | ||
1434 | if (((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1435 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) && | |
1436 | ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || | |
1437 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP))) { | |
1438 | err = -EINVAL; | |
1439 | goto err; | |
1440 | } | |
1441 | ||
1442 | /* If none of TCP & UDP SRC/DST was set - this bit field is ignored */ | |
1443 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1444 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP)) | |
1445 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1446 | MLX5_L4_PROT_TYPE_TCP); | |
1447 | else if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP) || | |
1448 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) | |
1449 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, | |
1450 | MLX5_L4_PROT_TYPE_UDP); | |
1451 | ||
1452 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV4) || | |
1453 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_IPV6)) | |
1454 | selected_fields |= MLX5_HASH_FIELD_SEL_SRC_IP; | |
1455 | ||
1456 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV4) || | |
1457 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_IPV6)) | |
1458 | selected_fields |= MLX5_HASH_FIELD_SEL_DST_IP; | |
1459 | ||
1460 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_TCP) || | |
1461 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_SRC_PORT_UDP)) | |
1462 | selected_fields |= MLX5_HASH_FIELD_SEL_L4_SPORT; | |
1463 | ||
1464 | if ((ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_TCP) || | |
1465 | (ucmd.rx_hash_fields_mask & MLX5_RX_HASH_DST_PORT_UDP)) | |
1466 | selected_fields |= MLX5_HASH_FIELD_SEL_L4_DPORT; | |
1467 | ||
1468 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields); | |
1469 | ||
1470 | create_tir: | |
1471 | err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn); | |
1472 | ||
1473 | if (err) | |
1474 | goto err; | |
1475 | ||
1476 | kvfree(in); | |
1477 | /* qpn is reserved for that QP */ | |
1478 | qp->trans_qp.base.mqp.qpn = 0; | |
d9f88e5a | 1479 | qp->flags |= MLX5_IB_QP_RSS; |
28d61370 YH |
1480 | return 0; |
1481 | ||
1482 | err: | |
1483 | kvfree(in); | |
1484 | return err; | |
1485 | } | |
1486 | ||
e126ba97 EC |
1487 | static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, |
1488 | struct ib_qp_init_attr *init_attr, | |
1489 | struct ib_udata *udata, struct mlx5_ib_qp *qp) | |
1490 | { | |
1491 | struct mlx5_ib_resources *devr = &dev->devr; | |
09a7d9ec | 1492 | int inlen = MLX5_ST_SZ_BYTES(create_qp_in); |
938fe83c | 1493 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 1494 | struct mlx5_ib_create_qp_resp resp; |
89ea94a7 MG |
1495 | struct mlx5_ib_cq *send_cq; |
1496 | struct mlx5_ib_cq *recv_cq; | |
1497 | unsigned long flags; | |
cfb5e088 | 1498 | u32 uidx = MLX5_IB_DEFAULT_UIDX; |
09a7d9ec SM |
1499 | struct mlx5_ib_create_qp ucmd; |
1500 | struct mlx5_ib_qp_base *base; | |
cfb5e088 | 1501 | void *qpc; |
09a7d9ec SM |
1502 | u32 *in; |
1503 | int err; | |
e126ba97 | 1504 | |
0fb2ed66 | 1505 | base = init_attr->qp_type == IB_QPT_RAW_PACKET ? |
1506 | &qp->raw_packet_qp.rq.base : | |
1507 | &qp->trans_qp.base; | |
1508 | ||
e126ba97 EC |
1509 | mutex_init(&qp->mutex); |
1510 | spin_lock_init(&qp->sq.lock); | |
1511 | spin_lock_init(&qp->rq.lock); | |
1512 | ||
28d61370 YH |
1513 | if (init_attr->rwq_ind_tbl) { |
1514 | if (!udata) | |
1515 | return -ENOSYS; | |
1516 | ||
1517 | err = create_rss_raw_qp_tir(dev, qp, pd, init_attr, udata); | |
1518 | return err; | |
1519 | } | |
1520 | ||
f360d88a | 1521 | if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { |
938fe83c | 1522 | if (!MLX5_CAP_GEN(mdev, block_lb_mc)) { |
f360d88a EC |
1523 | mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); |
1524 | return -EINVAL; | |
1525 | } else { | |
1526 | qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; | |
1527 | } | |
1528 | } | |
1529 | ||
051f2630 LR |
1530 | if (init_attr->create_flags & |
1531 | (IB_QP_CREATE_CROSS_CHANNEL | | |
1532 | IB_QP_CREATE_MANAGED_SEND | | |
1533 | IB_QP_CREATE_MANAGED_RECV)) { | |
1534 | if (!MLX5_CAP_GEN(mdev, cd)) { | |
1535 | mlx5_ib_dbg(dev, "cross-channel isn't supported\n"); | |
1536 | return -EINVAL; | |
1537 | } | |
1538 | if (init_attr->create_flags & IB_QP_CREATE_CROSS_CHANNEL) | |
1539 | qp->flags |= MLX5_IB_QP_CROSS_CHANNEL; | |
1540 | if (init_attr->create_flags & IB_QP_CREATE_MANAGED_SEND) | |
1541 | qp->flags |= MLX5_IB_QP_MANAGED_SEND; | |
1542 | if (init_attr->create_flags & IB_QP_CREATE_MANAGED_RECV) | |
1543 | qp->flags |= MLX5_IB_QP_MANAGED_RECV; | |
1544 | } | |
f0313965 ES |
1545 | |
1546 | if (init_attr->qp_type == IB_QPT_UD && | |
1547 | (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) | |
1548 | if (!MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { | |
1549 | mlx5_ib_dbg(dev, "ipoib UD lso qp isn't supported\n"); | |
1550 | return -EOPNOTSUPP; | |
1551 | } | |
1552 | ||
358e42ea MD |
1553 | if (init_attr->create_flags & IB_QP_CREATE_SCATTER_FCS) { |
1554 | if (init_attr->qp_type != IB_QPT_RAW_PACKET) { | |
1555 | mlx5_ib_dbg(dev, "Scatter FCS is supported only for Raw Packet QPs"); | |
1556 | return -EOPNOTSUPP; | |
1557 | } | |
1558 | if (!MLX5_CAP_GEN(dev->mdev, eth_net_offloads) || | |
1559 | !MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { | |
1560 | mlx5_ib_dbg(dev, "Scatter FCS isn't supported\n"); | |
1561 | return -EOPNOTSUPP; | |
1562 | } | |
1563 | qp->flags |= MLX5_IB_QP_CAP_SCATTER_FCS; | |
1564 | } | |
1565 | ||
e126ba97 EC |
1566 | if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) |
1567 | qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; | |
1568 | ||
e4cc4fa7 NO |
1569 | if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) { |
1570 | if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && | |
1571 | MLX5_CAP_ETH(dev->mdev, vlan_cap)) || | |
1572 | (init_attr->qp_type != IB_QPT_RAW_PACKET)) | |
1573 | return -EOPNOTSUPP; | |
1574 | qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING; | |
1575 | } | |
1576 | ||
e126ba97 EC |
1577 | if (pd && pd->uobject) { |
1578 | if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { | |
1579 | mlx5_ib_dbg(dev, "copy failed\n"); | |
1580 | return -EFAULT; | |
1581 | } | |
1582 | ||
cfb5e088 HA |
1583 | err = get_qp_user_index(to_mucontext(pd->uobject->context), |
1584 | &ucmd, udata->inlen, &uidx); | |
1585 | if (err) | |
1586 | return err; | |
1587 | ||
e126ba97 EC |
1588 | qp->wq_sig = !!(ucmd.flags & MLX5_QP_FLAG_SIGNATURE); |
1589 | qp->scat_cqe = !!(ucmd.flags & MLX5_QP_FLAG_SCATTER_CQE); | |
1590 | } else { | |
1591 | qp->wq_sig = !!wq_signature; | |
1592 | } | |
1593 | ||
1594 | qp->has_rq = qp_has_rq(init_attr); | |
1595 | err = set_rq_size(dev, &init_attr->cap, qp->has_rq, | |
1596 | qp, (pd && pd->uobject) ? &ucmd : NULL); | |
1597 | if (err) { | |
1598 | mlx5_ib_dbg(dev, "err %d\n", err); | |
1599 | return err; | |
1600 | } | |
1601 | ||
1602 | if (pd) { | |
1603 | if (pd->uobject) { | |
938fe83c SM |
1604 | __u32 max_wqes = |
1605 | 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
e126ba97 EC |
1606 | mlx5_ib_dbg(dev, "requested sq_wqe_count (%d)\n", ucmd.sq_wqe_count); |
1607 | if (ucmd.rq_wqe_shift != qp->rq.wqe_shift || | |
1608 | ucmd.rq_wqe_count != qp->rq.wqe_cnt) { | |
1609 | mlx5_ib_dbg(dev, "invalid rq params\n"); | |
1610 | return -EINVAL; | |
1611 | } | |
938fe83c | 1612 | if (ucmd.sq_wqe_count > max_wqes) { |
e126ba97 | 1613 | mlx5_ib_dbg(dev, "requested sq_wqe_count (%d) > max allowed (%d)\n", |
938fe83c | 1614 | ucmd.sq_wqe_count, max_wqes); |
e126ba97 EC |
1615 | return -EINVAL; |
1616 | } | |
b11a4f9c HE |
1617 | if (init_attr->create_flags & |
1618 | mlx5_ib_create_qp_sqpn_qp1()) { | |
1619 | mlx5_ib_dbg(dev, "user-space is not allowed to create UD QPs spoofing as QP1\n"); | |
1620 | return -EINVAL; | |
1621 | } | |
0fb2ed66 | 1622 | err = create_user_qp(dev, pd, qp, udata, init_attr, &in, |
1623 | &resp, &inlen, base); | |
e126ba97 EC |
1624 | if (err) |
1625 | mlx5_ib_dbg(dev, "err %d\n", err); | |
1626 | } else { | |
19098df2 | 1627 | err = create_kernel_qp(dev, init_attr, qp, &in, &inlen, |
1628 | base); | |
e126ba97 EC |
1629 | if (err) |
1630 | mlx5_ib_dbg(dev, "err %d\n", err); | |
e126ba97 EC |
1631 | } |
1632 | ||
1633 | if (err) | |
1634 | return err; | |
1635 | } else { | |
1b9a07ee | 1636 | in = kvzalloc(inlen, GFP_KERNEL); |
e126ba97 EC |
1637 | if (!in) |
1638 | return -ENOMEM; | |
1639 | ||
1640 | qp->create_type = MLX5_QP_EMPTY; | |
1641 | } | |
1642 | ||
1643 | if (is_sqp(init_attr->qp_type)) | |
1644 | qp->port = init_attr->port_num; | |
1645 | ||
09a7d9ec SM |
1646 | qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); |
1647 | ||
1648 | MLX5_SET(qpc, qpc, st, to_mlx5_st(init_attr->qp_type)); | |
1649 | MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); | |
e126ba97 EC |
1650 | |
1651 | if (init_attr->qp_type != MLX5_IB_QPT_REG_UMR) | |
09a7d9ec | 1652 | MLX5_SET(qpc, qpc, pd, to_mpd(pd ? pd : devr->p0)->pdn); |
e126ba97 | 1653 | else |
09a7d9ec SM |
1654 | MLX5_SET(qpc, qpc, latency_sensitive, 1); |
1655 | ||
e126ba97 EC |
1656 | |
1657 | if (qp->wq_sig) | |
09a7d9ec | 1658 | MLX5_SET(qpc, qpc, wq_signature, 1); |
e126ba97 | 1659 | |
f360d88a | 1660 | if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) |
09a7d9ec | 1661 | MLX5_SET(qpc, qpc, block_lb_mc, 1); |
f360d88a | 1662 | |
051f2630 | 1663 | if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) |
09a7d9ec | 1664 | MLX5_SET(qpc, qpc, cd_master, 1); |
051f2630 | 1665 | if (qp->flags & MLX5_IB_QP_MANAGED_SEND) |
09a7d9ec | 1666 | MLX5_SET(qpc, qpc, cd_slave_send, 1); |
051f2630 | 1667 | if (qp->flags & MLX5_IB_QP_MANAGED_RECV) |
09a7d9ec | 1668 | MLX5_SET(qpc, qpc, cd_slave_receive, 1); |
051f2630 | 1669 | |
e126ba97 EC |
1670 | if (qp->scat_cqe && is_connected(init_attr->qp_type)) { |
1671 | int rcqe_sz; | |
1672 | int scqe_sz; | |
1673 | ||
1674 | rcqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->recv_cq); | |
1675 | scqe_sz = mlx5_ib_get_cqe_size(dev, init_attr->send_cq); | |
1676 | ||
1677 | if (rcqe_sz == 128) | |
09a7d9ec | 1678 | MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); |
e126ba97 | 1679 | else |
09a7d9ec | 1680 | MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); |
e126ba97 EC |
1681 | |
1682 | if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) { | |
1683 | if (scqe_sz == 128) | |
09a7d9ec | 1684 | MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA64_CQE); |
e126ba97 | 1685 | else |
09a7d9ec | 1686 | MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE); |
e126ba97 EC |
1687 | } |
1688 | } | |
1689 | ||
1690 | if (qp->rq.wqe_cnt) { | |
09a7d9ec SM |
1691 | MLX5_SET(qpc, qpc, log_rq_stride, qp->rq.wqe_shift - 4); |
1692 | MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt)); | |
e126ba97 EC |
1693 | } |
1694 | ||
09a7d9ec | 1695 | MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr)); |
e126ba97 EC |
1696 | |
1697 | if (qp->sq.wqe_cnt) | |
09a7d9ec | 1698 | MLX5_SET(qpc, qpc, log_sq_size, ilog2(qp->sq.wqe_cnt)); |
e126ba97 | 1699 | else |
09a7d9ec | 1700 | MLX5_SET(qpc, qpc, no_sq, 1); |
e126ba97 EC |
1701 | |
1702 | /* Set default resources */ | |
1703 | switch (init_attr->qp_type) { | |
1704 | case IB_QPT_XRC_TGT: | |
09a7d9ec SM |
1705 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); |
1706 | MLX5_SET(qpc, qpc, cqn_snd, to_mcq(devr->c0)->mcq.cqn); | |
1707 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); | |
1708 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(init_attr->xrcd)->xrcdn); | |
e126ba97 EC |
1709 | break; |
1710 | case IB_QPT_XRC_INI: | |
09a7d9ec SM |
1711 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(devr->c0)->mcq.cqn); |
1712 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); | |
1713 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s0)->msrq.srqn); | |
e126ba97 EC |
1714 | break; |
1715 | default: | |
1716 | if (init_attr->srq) { | |
09a7d9ec SM |
1717 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x0)->xrcdn); |
1718 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(init_attr->srq)->msrq.srqn); | |
e126ba97 | 1719 | } else { |
09a7d9ec SM |
1720 | MLX5_SET(qpc, qpc, xrcd, to_mxrcd(devr->x1)->xrcdn); |
1721 | MLX5_SET(qpc, qpc, srqn_rmpn_xrqn, to_msrq(devr->s1)->msrq.srqn); | |
e126ba97 EC |
1722 | } |
1723 | } | |
1724 | ||
1725 | if (init_attr->send_cq) | |
09a7d9ec | 1726 | MLX5_SET(qpc, qpc, cqn_snd, to_mcq(init_attr->send_cq)->mcq.cqn); |
e126ba97 EC |
1727 | |
1728 | if (init_attr->recv_cq) | |
09a7d9ec | 1729 | MLX5_SET(qpc, qpc, cqn_rcv, to_mcq(init_attr->recv_cq)->mcq.cqn); |
e126ba97 | 1730 | |
09a7d9ec | 1731 | MLX5_SET64(qpc, qpc, dbr_addr, qp->db.dma); |
e126ba97 | 1732 | |
09a7d9ec SM |
1733 | /* 0xffffff means we ask to work with cqe version 0 */ |
1734 | if (MLX5_CAP_GEN(mdev, cqe_version) == MLX5_CQE_VERSION_V1) | |
cfb5e088 | 1735 | MLX5_SET(qpc, qpc, user_index, uidx); |
09a7d9ec | 1736 | |
f0313965 ES |
1737 | /* we use IB_QP_CREATE_IPOIB_UD_LSO to indicates ipoib qp */ |
1738 | if (init_attr->qp_type == IB_QPT_UD && | |
1739 | (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)) { | |
f0313965 ES |
1740 | MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); |
1741 | qp->flags |= MLX5_IB_QP_LSO; | |
1742 | } | |
cfb5e088 | 1743 | |
0fb2ed66 | 1744 | if (init_attr->qp_type == IB_QPT_RAW_PACKET) { |
1745 | qp->raw_packet_qp.sq.ubuffer.buf_addr = ucmd.sq_buf_addr; | |
1746 | raw_packet_qp_copy_info(qp, &qp->raw_packet_qp); | |
1747 | err = create_raw_packet_qp(dev, qp, in, pd); | |
1748 | } else { | |
1749 | err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen); | |
1750 | } | |
1751 | ||
e126ba97 EC |
1752 | if (err) { |
1753 | mlx5_ib_dbg(dev, "create qp failed\n"); | |
1754 | goto err_create; | |
1755 | } | |
1756 | ||
479163f4 | 1757 | kvfree(in); |
e126ba97 | 1758 | |
19098df2 | 1759 | base->container_mibqp = qp; |
1760 | base->mqp.event = mlx5_ib_qp_event; | |
e126ba97 | 1761 | |
89ea94a7 MG |
1762 | get_cqs(init_attr->qp_type, init_attr->send_cq, init_attr->recv_cq, |
1763 | &send_cq, &recv_cq); | |
1764 | spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); | |
1765 | mlx5_ib_lock_cqs(send_cq, recv_cq); | |
1766 | /* Maintain device to QPs access, needed for further handling via reset | |
1767 | * flow | |
1768 | */ | |
1769 | list_add_tail(&qp->qps_list, &dev->qp_list); | |
1770 | /* Maintain CQ to QPs access, needed for further handling via reset flow | |
1771 | */ | |
1772 | if (send_cq) | |
1773 | list_add_tail(&qp->cq_send_list, &send_cq->list_send_qp); | |
1774 | if (recv_cq) | |
1775 | list_add_tail(&qp->cq_recv_list, &recv_cq->list_recv_qp); | |
1776 | mlx5_ib_unlock_cqs(send_cq, recv_cq); | |
1777 | spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); | |
1778 | ||
e126ba97 EC |
1779 | return 0; |
1780 | ||
1781 | err_create: | |
1782 | if (qp->create_type == MLX5_QP_USER) | |
b037c29a | 1783 | destroy_qp_user(dev, pd, qp, base); |
e126ba97 EC |
1784 | else if (qp->create_type == MLX5_QP_KERNEL) |
1785 | destroy_qp_kernel(dev, qp); | |
1786 | ||
479163f4 | 1787 | kvfree(in); |
e126ba97 EC |
1788 | return err; |
1789 | } | |
1790 | ||
1791 | static void mlx5_ib_lock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) | |
1792 | __acquires(&send_cq->lock) __acquires(&recv_cq->lock) | |
1793 | { | |
1794 | if (send_cq) { | |
1795 | if (recv_cq) { | |
1796 | if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { | |
89ea94a7 | 1797 | spin_lock(&send_cq->lock); |
e126ba97 EC |
1798 | spin_lock_nested(&recv_cq->lock, |
1799 | SINGLE_DEPTH_NESTING); | |
1800 | } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { | |
89ea94a7 | 1801 | spin_lock(&send_cq->lock); |
e126ba97 EC |
1802 | __acquire(&recv_cq->lock); |
1803 | } else { | |
89ea94a7 | 1804 | spin_lock(&recv_cq->lock); |
e126ba97 EC |
1805 | spin_lock_nested(&send_cq->lock, |
1806 | SINGLE_DEPTH_NESTING); | |
1807 | } | |
1808 | } else { | |
89ea94a7 | 1809 | spin_lock(&send_cq->lock); |
6a4f139a | 1810 | __acquire(&recv_cq->lock); |
e126ba97 EC |
1811 | } |
1812 | } else if (recv_cq) { | |
89ea94a7 | 1813 | spin_lock(&recv_cq->lock); |
6a4f139a EC |
1814 | __acquire(&send_cq->lock); |
1815 | } else { | |
1816 | __acquire(&send_cq->lock); | |
1817 | __acquire(&recv_cq->lock); | |
e126ba97 EC |
1818 | } |
1819 | } | |
1820 | ||
1821 | static void mlx5_ib_unlock_cqs(struct mlx5_ib_cq *send_cq, struct mlx5_ib_cq *recv_cq) | |
1822 | __releases(&send_cq->lock) __releases(&recv_cq->lock) | |
1823 | { | |
1824 | if (send_cq) { | |
1825 | if (recv_cq) { | |
1826 | if (send_cq->mcq.cqn < recv_cq->mcq.cqn) { | |
1827 | spin_unlock(&recv_cq->lock); | |
89ea94a7 | 1828 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1829 | } else if (send_cq->mcq.cqn == recv_cq->mcq.cqn) { |
1830 | __release(&recv_cq->lock); | |
89ea94a7 | 1831 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1832 | } else { |
1833 | spin_unlock(&send_cq->lock); | |
89ea94a7 | 1834 | spin_unlock(&recv_cq->lock); |
e126ba97 EC |
1835 | } |
1836 | } else { | |
6a4f139a | 1837 | __release(&recv_cq->lock); |
89ea94a7 | 1838 | spin_unlock(&send_cq->lock); |
e126ba97 EC |
1839 | } |
1840 | } else if (recv_cq) { | |
6a4f139a | 1841 | __release(&send_cq->lock); |
89ea94a7 | 1842 | spin_unlock(&recv_cq->lock); |
6a4f139a EC |
1843 | } else { |
1844 | __release(&recv_cq->lock); | |
1845 | __release(&send_cq->lock); | |
e126ba97 EC |
1846 | } |
1847 | } | |
1848 | ||
1849 | static struct mlx5_ib_pd *get_pd(struct mlx5_ib_qp *qp) | |
1850 | { | |
1851 | return to_mpd(qp->ibqp.pd); | |
1852 | } | |
1853 | ||
89ea94a7 MG |
1854 | static void get_cqs(enum ib_qp_type qp_type, |
1855 | struct ib_cq *ib_send_cq, struct ib_cq *ib_recv_cq, | |
e126ba97 EC |
1856 | struct mlx5_ib_cq **send_cq, struct mlx5_ib_cq **recv_cq) |
1857 | { | |
89ea94a7 | 1858 | switch (qp_type) { |
e126ba97 EC |
1859 | case IB_QPT_XRC_TGT: |
1860 | *send_cq = NULL; | |
1861 | *recv_cq = NULL; | |
1862 | break; | |
1863 | case MLX5_IB_QPT_REG_UMR: | |
1864 | case IB_QPT_XRC_INI: | |
89ea94a7 | 1865 | *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; |
e126ba97 EC |
1866 | *recv_cq = NULL; |
1867 | break; | |
1868 | ||
1869 | case IB_QPT_SMI: | |
d16e91da | 1870 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 EC |
1871 | case IB_QPT_RC: |
1872 | case IB_QPT_UC: | |
1873 | case IB_QPT_UD: | |
1874 | case IB_QPT_RAW_IPV6: | |
1875 | case IB_QPT_RAW_ETHERTYPE: | |
0fb2ed66 | 1876 | case IB_QPT_RAW_PACKET: |
89ea94a7 MG |
1877 | *send_cq = ib_send_cq ? to_mcq(ib_send_cq) : NULL; |
1878 | *recv_cq = ib_recv_cq ? to_mcq(ib_recv_cq) : NULL; | |
e126ba97 EC |
1879 | break; |
1880 | ||
e126ba97 EC |
1881 | case IB_QPT_MAX: |
1882 | default: | |
1883 | *send_cq = NULL; | |
1884 | *recv_cq = NULL; | |
1885 | break; | |
1886 | } | |
1887 | } | |
1888 | ||
ad5f8e96 | 1889 | static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, |
13eab21f AH |
1890 | const struct mlx5_modify_raw_qp_param *raw_qp_param, |
1891 | u8 lag_tx_affinity); | |
ad5f8e96 | 1892 | |
e126ba97 EC |
1893 | static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp) |
1894 | { | |
1895 | struct mlx5_ib_cq *send_cq, *recv_cq; | |
19098df2 | 1896 | struct mlx5_ib_qp_base *base = &qp->trans_qp.base; |
89ea94a7 | 1897 | unsigned long flags; |
e126ba97 EC |
1898 | int err; |
1899 | ||
28d61370 YH |
1900 | if (qp->ibqp.rwq_ind_tbl) { |
1901 | destroy_rss_raw_qp_tir(dev, qp); | |
1902 | return; | |
1903 | } | |
1904 | ||
0fb2ed66 | 1905 | base = qp->ibqp.qp_type == IB_QPT_RAW_PACKET ? |
1906 | &qp->raw_packet_qp.rq.base : | |
1907 | &qp->trans_qp.base; | |
1908 | ||
6aec21f6 | 1909 | if (qp->state != IB_QPS_RESET) { |
ad5f8e96 | 1910 | if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET) { |
ad5f8e96 | 1911 | err = mlx5_core_qp_modify(dev->mdev, |
1a412fb1 SM |
1912 | MLX5_CMD_OP_2RST_QP, 0, |
1913 | NULL, &base->mqp); | |
ad5f8e96 | 1914 | } else { |
0680efa2 AV |
1915 | struct mlx5_modify_raw_qp_param raw_qp_param = { |
1916 | .operation = MLX5_CMD_OP_2RST_QP | |
1917 | }; | |
1918 | ||
13eab21f | 1919 | err = modify_raw_packet_qp(dev, qp, &raw_qp_param, 0); |
ad5f8e96 | 1920 | } |
1921 | if (err) | |
427c1e7b | 1922 | mlx5_ib_warn(dev, "mlx5_ib: modify QP 0x%06x to RESET failed\n", |
19098df2 | 1923 | base->mqp.qpn); |
6aec21f6 | 1924 | } |
e126ba97 | 1925 | |
89ea94a7 MG |
1926 | get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, |
1927 | &send_cq, &recv_cq); | |
1928 | ||
1929 | spin_lock_irqsave(&dev->reset_flow_resource_lock, flags); | |
1930 | mlx5_ib_lock_cqs(send_cq, recv_cq); | |
1931 | /* del from lists under both locks above to protect reset flow paths */ | |
1932 | list_del(&qp->qps_list); | |
1933 | if (send_cq) | |
1934 | list_del(&qp->cq_send_list); | |
1935 | ||
1936 | if (recv_cq) | |
1937 | list_del(&qp->cq_recv_list); | |
e126ba97 EC |
1938 | |
1939 | if (qp->create_type == MLX5_QP_KERNEL) { | |
19098df2 | 1940 | __mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, |
e126ba97 EC |
1941 | qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); |
1942 | if (send_cq != recv_cq) | |
19098df2 | 1943 | __mlx5_ib_cq_clean(send_cq, base->mqp.qpn, |
1944 | NULL); | |
e126ba97 | 1945 | } |
89ea94a7 MG |
1946 | mlx5_ib_unlock_cqs(send_cq, recv_cq); |
1947 | spin_unlock_irqrestore(&dev->reset_flow_resource_lock, flags); | |
e126ba97 | 1948 | |
0fb2ed66 | 1949 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { |
1950 | destroy_raw_packet_qp(dev, qp); | |
1951 | } else { | |
1952 | err = mlx5_core_destroy_qp(dev->mdev, &base->mqp); | |
1953 | if (err) | |
1954 | mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n", | |
1955 | base->mqp.qpn); | |
1956 | } | |
e126ba97 | 1957 | |
e126ba97 EC |
1958 | if (qp->create_type == MLX5_QP_KERNEL) |
1959 | destroy_qp_kernel(dev, qp); | |
1960 | else if (qp->create_type == MLX5_QP_USER) | |
b037c29a | 1961 | destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base); |
e126ba97 EC |
1962 | } |
1963 | ||
1964 | static const char *ib_qp_type_str(enum ib_qp_type type) | |
1965 | { | |
1966 | switch (type) { | |
1967 | case IB_QPT_SMI: | |
1968 | return "IB_QPT_SMI"; | |
1969 | case IB_QPT_GSI: | |
1970 | return "IB_QPT_GSI"; | |
1971 | case IB_QPT_RC: | |
1972 | return "IB_QPT_RC"; | |
1973 | case IB_QPT_UC: | |
1974 | return "IB_QPT_UC"; | |
1975 | case IB_QPT_UD: | |
1976 | return "IB_QPT_UD"; | |
1977 | case IB_QPT_RAW_IPV6: | |
1978 | return "IB_QPT_RAW_IPV6"; | |
1979 | case IB_QPT_RAW_ETHERTYPE: | |
1980 | return "IB_QPT_RAW_ETHERTYPE"; | |
1981 | case IB_QPT_XRC_INI: | |
1982 | return "IB_QPT_XRC_INI"; | |
1983 | case IB_QPT_XRC_TGT: | |
1984 | return "IB_QPT_XRC_TGT"; | |
1985 | case IB_QPT_RAW_PACKET: | |
1986 | return "IB_QPT_RAW_PACKET"; | |
1987 | case MLX5_IB_QPT_REG_UMR: | |
1988 | return "MLX5_IB_QPT_REG_UMR"; | |
1989 | case IB_QPT_MAX: | |
1990 | default: | |
1991 | return "Invalid QP type"; | |
1992 | } | |
1993 | } | |
1994 | ||
1995 | struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, | |
1996 | struct ib_qp_init_attr *init_attr, | |
1997 | struct ib_udata *udata) | |
1998 | { | |
1999 | struct mlx5_ib_dev *dev; | |
2000 | struct mlx5_ib_qp *qp; | |
2001 | u16 xrcdn = 0; | |
2002 | int err; | |
2003 | ||
2004 | if (pd) { | |
2005 | dev = to_mdev(pd->device); | |
0fb2ed66 | 2006 | |
2007 | if (init_attr->qp_type == IB_QPT_RAW_PACKET) { | |
2008 | if (!pd->uobject) { | |
2009 | mlx5_ib_dbg(dev, "Raw Packet QP is not supported for kernel consumers\n"); | |
2010 | return ERR_PTR(-EINVAL); | |
2011 | } else if (!to_mucontext(pd->uobject->context)->cqe_version) { | |
2012 | mlx5_ib_dbg(dev, "Raw Packet QP is only supported for CQE version > 0\n"); | |
2013 | return ERR_PTR(-EINVAL); | |
2014 | } | |
2015 | } | |
09f16cf5 MD |
2016 | } else { |
2017 | /* being cautious here */ | |
2018 | if (init_attr->qp_type != IB_QPT_XRC_TGT && | |
2019 | init_attr->qp_type != MLX5_IB_QPT_REG_UMR) { | |
2020 | pr_warn("%s: no PD for transport %s\n", __func__, | |
2021 | ib_qp_type_str(init_attr->qp_type)); | |
2022 | return ERR_PTR(-EINVAL); | |
2023 | } | |
2024 | dev = to_mdev(to_mxrcd(init_attr->xrcd)->ibxrcd.device); | |
e126ba97 EC |
2025 | } |
2026 | ||
2027 | switch (init_attr->qp_type) { | |
2028 | case IB_QPT_XRC_TGT: | |
2029 | case IB_QPT_XRC_INI: | |
938fe83c | 2030 | if (!MLX5_CAP_GEN(dev->mdev, xrc)) { |
e126ba97 EC |
2031 | mlx5_ib_dbg(dev, "XRC not supported\n"); |
2032 | return ERR_PTR(-ENOSYS); | |
2033 | } | |
2034 | init_attr->recv_cq = NULL; | |
2035 | if (init_attr->qp_type == IB_QPT_XRC_TGT) { | |
2036 | xrcdn = to_mxrcd(init_attr->xrcd)->xrcdn; | |
2037 | init_attr->send_cq = NULL; | |
2038 | } | |
2039 | ||
2040 | /* fall through */ | |
0fb2ed66 | 2041 | case IB_QPT_RAW_PACKET: |
e126ba97 EC |
2042 | case IB_QPT_RC: |
2043 | case IB_QPT_UC: | |
2044 | case IB_QPT_UD: | |
2045 | case IB_QPT_SMI: | |
d16e91da | 2046 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 EC |
2047 | case MLX5_IB_QPT_REG_UMR: |
2048 | qp = kzalloc(sizeof(*qp), GFP_KERNEL); | |
2049 | if (!qp) | |
2050 | return ERR_PTR(-ENOMEM); | |
2051 | ||
2052 | err = create_qp_common(dev, pd, init_attr, udata, qp); | |
2053 | if (err) { | |
2054 | mlx5_ib_dbg(dev, "create_qp_common failed\n"); | |
2055 | kfree(qp); | |
2056 | return ERR_PTR(err); | |
2057 | } | |
2058 | ||
2059 | if (is_qp0(init_attr->qp_type)) | |
2060 | qp->ibqp.qp_num = 0; | |
2061 | else if (is_qp1(init_attr->qp_type)) | |
2062 | qp->ibqp.qp_num = 1; | |
2063 | else | |
19098df2 | 2064 | qp->ibqp.qp_num = qp->trans_qp.base.mqp.qpn; |
e126ba97 EC |
2065 | |
2066 | mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", | |
19098df2 | 2067 | qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, |
a1ab8402 EC |
2068 | init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, |
2069 | init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); | |
e126ba97 | 2070 | |
19098df2 | 2071 | qp->trans_qp.xrcdn = xrcdn; |
e126ba97 EC |
2072 | |
2073 | break; | |
2074 | ||
d16e91da HE |
2075 | case IB_QPT_GSI: |
2076 | return mlx5_ib_gsi_create_qp(pd, init_attr); | |
2077 | ||
e126ba97 EC |
2078 | case IB_QPT_RAW_IPV6: |
2079 | case IB_QPT_RAW_ETHERTYPE: | |
e126ba97 EC |
2080 | case IB_QPT_MAX: |
2081 | default: | |
2082 | mlx5_ib_dbg(dev, "unsupported qp type %d\n", | |
2083 | init_attr->qp_type); | |
2084 | /* Don't support raw QPs */ | |
2085 | return ERR_PTR(-EINVAL); | |
2086 | } | |
2087 | ||
2088 | return &qp->ibqp; | |
2089 | } | |
2090 | ||
2091 | int mlx5_ib_destroy_qp(struct ib_qp *qp) | |
2092 | { | |
2093 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
2094 | struct mlx5_ib_qp *mqp = to_mqp(qp); | |
2095 | ||
d16e91da HE |
2096 | if (unlikely(qp->qp_type == IB_QPT_GSI)) |
2097 | return mlx5_ib_gsi_destroy_qp(qp); | |
2098 | ||
e126ba97 EC |
2099 | destroy_qp_common(dev, mqp); |
2100 | ||
2101 | kfree(mqp); | |
2102 | ||
2103 | return 0; | |
2104 | } | |
2105 | ||
2106 | static __be32 to_mlx5_access_flags(struct mlx5_ib_qp *qp, const struct ib_qp_attr *attr, | |
2107 | int attr_mask) | |
2108 | { | |
2109 | u32 hw_access_flags = 0; | |
2110 | u8 dest_rd_atomic; | |
2111 | u32 access_flags; | |
2112 | ||
2113 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) | |
2114 | dest_rd_atomic = attr->max_dest_rd_atomic; | |
2115 | else | |
19098df2 | 2116 | dest_rd_atomic = qp->trans_qp.resp_depth; |
e126ba97 EC |
2117 | |
2118 | if (attr_mask & IB_QP_ACCESS_FLAGS) | |
2119 | access_flags = attr->qp_access_flags; | |
2120 | else | |
19098df2 | 2121 | access_flags = qp->trans_qp.atomic_rd_en; |
e126ba97 EC |
2122 | |
2123 | if (!dest_rd_atomic) | |
2124 | access_flags &= IB_ACCESS_REMOTE_WRITE; | |
2125 | ||
2126 | if (access_flags & IB_ACCESS_REMOTE_READ) | |
2127 | hw_access_flags |= MLX5_QP_BIT_RRE; | |
2128 | if (access_flags & IB_ACCESS_REMOTE_ATOMIC) | |
2129 | hw_access_flags |= (MLX5_QP_BIT_RAE | MLX5_ATOMIC_MODE_CX); | |
2130 | if (access_flags & IB_ACCESS_REMOTE_WRITE) | |
2131 | hw_access_flags |= MLX5_QP_BIT_RWE; | |
2132 | ||
2133 | return cpu_to_be32(hw_access_flags); | |
2134 | } | |
2135 | ||
2136 | enum { | |
2137 | MLX5_PATH_FLAG_FL = 1 << 0, | |
2138 | MLX5_PATH_FLAG_FREE_AR = 1 << 1, | |
2139 | MLX5_PATH_FLAG_COUNTER = 1 << 2, | |
2140 | }; | |
2141 | ||
2142 | static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate) | |
2143 | { | |
2144 | if (rate == IB_RATE_PORT_CURRENT) { | |
2145 | return 0; | |
2146 | } else if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_300_GBPS) { | |
2147 | return -EINVAL; | |
2148 | } else { | |
2149 | while (rate != IB_RATE_2_5_GBPS && | |
2150 | !(1 << (rate + MLX5_STAT_RATE_OFFSET) & | |
938fe83c | 2151 | MLX5_CAP_GEN(dev->mdev, stat_rate_support))) |
e126ba97 EC |
2152 | --rate; |
2153 | } | |
2154 | ||
2155 | return rate + MLX5_STAT_RATE_OFFSET; | |
2156 | } | |
2157 | ||
75850d0b | 2158 | static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev, |
2159 | struct mlx5_ib_sq *sq, u8 sl) | |
2160 | { | |
2161 | void *in; | |
2162 | void *tisc; | |
2163 | int inlen; | |
2164 | int err; | |
2165 | ||
2166 | inlen = MLX5_ST_SZ_BYTES(modify_tis_in); | |
1b9a07ee | 2167 | in = kvzalloc(inlen, GFP_KERNEL); |
75850d0b | 2168 | if (!in) |
2169 | return -ENOMEM; | |
2170 | ||
2171 | MLX5_SET(modify_tis_in, in, bitmask.prio, 1); | |
2172 | ||
2173 | tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); | |
2174 | MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1)); | |
2175 | ||
2176 | err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); | |
2177 | ||
2178 | kvfree(in); | |
2179 | ||
2180 | return err; | |
2181 | } | |
2182 | ||
13eab21f AH |
2183 | static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev, |
2184 | struct mlx5_ib_sq *sq, u8 tx_affinity) | |
2185 | { | |
2186 | void *in; | |
2187 | void *tisc; | |
2188 | int inlen; | |
2189 | int err; | |
2190 | ||
2191 | inlen = MLX5_ST_SZ_BYTES(modify_tis_in); | |
1b9a07ee | 2192 | in = kvzalloc(inlen, GFP_KERNEL); |
13eab21f AH |
2193 | if (!in) |
2194 | return -ENOMEM; | |
2195 | ||
2196 | MLX5_SET(modify_tis_in, in, bitmask.lag_tx_port_affinity, 1); | |
2197 | ||
2198 | tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx); | |
2199 | MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity); | |
2200 | ||
2201 | err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen); | |
2202 | ||
2203 | kvfree(in); | |
2204 | ||
2205 | return err; | |
2206 | } | |
2207 | ||
75850d0b | 2208 | static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, |
90898850 | 2209 | const struct rdma_ah_attr *ah, |
e126ba97 | 2210 | struct mlx5_qp_path *path, u8 port, int attr_mask, |
f879ee8d AS |
2211 | u32 path_flags, const struct ib_qp_attr *attr, |
2212 | bool alt) | |
e126ba97 | 2213 | { |
d8966fcd | 2214 | const struct ib_global_route *grh = rdma_ah_read_grh(ah); |
e126ba97 | 2215 | int err; |
ed88451e | 2216 | enum ib_gid_type gid_type; |
d8966fcd DC |
2217 | u8 ah_flags = rdma_ah_get_ah_flags(ah); |
2218 | u8 sl = rdma_ah_get_sl(ah); | |
e126ba97 | 2219 | |
e126ba97 | 2220 | if (attr_mask & IB_QP_PKEY_INDEX) |
f879ee8d AS |
2221 | path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : |
2222 | attr->pkey_index); | |
e126ba97 | 2223 | |
d8966fcd DC |
2224 | if (ah_flags & IB_AH_GRH) { |
2225 | if (grh->sgid_index >= | |
938fe83c | 2226 | dev->mdev->port_caps[port - 1].gid_table_len) { |
f4f01b54 | 2227 | pr_err("sgid_index (%u) too large. max is %d\n", |
d8966fcd | 2228 | grh->sgid_index, |
938fe83c | 2229 | dev->mdev->port_caps[port - 1].gid_table_len); |
f83b4263 EC |
2230 | return -EINVAL; |
2231 | } | |
2811ba51 | 2232 | } |
44c58487 DC |
2233 | |
2234 | if (ah->type == RDMA_AH_ATTR_TYPE_ROCE) { | |
d8966fcd | 2235 | if (!(ah_flags & IB_AH_GRH)) |
2811ba51 | 2236 | return -EINVAL; |
d8966fcd | 2237 | err = mlx5_get_roce_gid_type(dev, port, grh->sgid_index, |
ed88451e MD |
2238 | &gid_type); |
2239 | if (err) | |
2240 | return err; | |
44c58487 | 2241 | memcpy(path->rmac, ah->roce.dmac, sizeof(ah->roce.dmac)); |
2811ba51 | 2242 | path->udp_sport = mlx5_get_roce_udp_sport(dev, port, |
d8966fcd DC |
2243 | grh->sgid_index); |
2244 | path->dci_cfi_prio_sl = (sl & 0x7) << 4; | |
ed88451e | 2245 | if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) |
d8966fcd | 2246 | path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; |
2811ba51 | 2247 | } else { |
d3ae2bde NO |
2248 | path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; |
2249 | path->fl_free_ar |= | |
2250 | (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; | |
d8966fcd DC |
2251 | path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); |
2252 | path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; | |
2253 | if (ah_flags & IB_AH_GRH) | |
2811ba51 | 2254 | path->grh_mlid |= 1 << 7; |
d8966fcd | 2255 | path->dci_cfi_prio_sl = sl & 0xf; |
2811ba51 AS |
2256 | } |
2257 | ||
d8966fcd DC |
2258 | if (ah_flags & IB_AH_GRH) { |
2259 | path->mgid_index = grh->sgid_index; | |
2260 | path->hop_limit = grh->hop_limit; | |
e126ba97 | 2261 | path->tclass_flowlabel = |
d8966fcd DC |
2262 | cpu_to_be32((grh->traffic_class << 20) | |
2263 | (grh->flow_label)); | |
2264 | memcpy(path->rgid, grh->dgid.raw, 16); | |
e126ba97 EC |
2265 | } |
2266 | ||
d8966fcd | 2267 | err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); |
e126ba97 EC |
2268 | if (err < 0) |
2269 | return err; | |
2270 | path->static_rate = err; | |
2271 | path->port = port; | |
2272 | ||
e126ba97 | 2273 | if (attr_mask & IB_QP_TIMEOUT) |
f879ee8d | 2274 | path->ackto_lt = (alt ? attr->alt_timeout : attr->timeout) << 3; |
e126ba97 | 2275 | |
75850d0b | 2276 | if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) |
2277 | return modify_raw_packet_eth_prio(dev->mdev, | |
2278 | &qp->raw_packet_qp.sq, | |
d8966fcd | 2279 | sl & 0xf); |
75850d0b | 2280 | |
e126ba97 EC |
2281 | return 0; |
2282 | } | |
2283 | ||
2284 | static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_QP_ST_MAX] = { | |
2285 | [MLX5_QP_STATE_INIT] = { | |
2286 | [MLX5_QP_STATE_INIT] = { | |
2287 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | | |
2288 | MLX5_QP_OPTPAR_RAE | | |
2289 | MLX5_QP_OPTPAR_RWE | | |
2290 | MLX5_QP_OPTPAR_PKEY_INDEX | | |
2291 | MLX5_QP_OPTPAR_PRI_PORT, | |
2292 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | | |
2293 | MLX5_QP_OPTPAR_PKEY_INDEX | | |
2294 | MLX5_QP_OPTPAR_PRI_PORT, | |
2295 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2296 | MLX5_QP_OPTPAR_Q_KEY | | |
2297 | MLX5_QP_OPTPAR_PRI_PORT, | |
2298 | }, | |
2299 | [MLX5_QP_STATE_RTR] = { | |
2300 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2301 | MLX5_QP_OPTPAR_RRE | | |
2302 | MLX5_QP_OPTPAR_RAE | | |
2303 | MLX5_QP_OPTPAR_RWE | | |
2304 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
2305 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2306 | MLX5_QP_OPTPAR_RWE | | |
2307 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
2308 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2309 | MLX5_QP_OPTPAR_Q_KEY, | |
2310 | [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX | | |
2311 | MLX5_QP_OPTPAR_Q_KEY, | |
a4774e90 EC |
2312 | [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | |
2313 | MLX5_QP_OPTPAR_RRE | | |
2314 | MLX5_QP_OPTPAR_RAE | | |
2315 | MLX5_QP_OPTPAR_RWE | | |
2316 | MLX5_QP_OPTPAR_PKEY_INDEX, | |
e126ba97 EC |
2317 | }, |
2318 | }, | |
2319 | [MLX5_QP_STATE_RTR] = { | |
2320 | [MLX5_QP_STATE_RTS] = { | |
2321 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2322 | MLX5_QP_OPTPAR_RRE | | |
2323 | MLX5_QP_OPTPAR_RAE | | |
2324 | MLX5_QP_OPTPAR_RWE | | |
2325 | MLX5_QP_OPTPAR_PM_STATE | | |
2326 | MLX5_QP_OPTPAR_RNR_TIMEOUT, | |
2327 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH | | |
2328 | MLX5_QP_OPTPAR_RWE | | |
2329 | MLX5_QP_OPTPAR_PM_STATE, | |
2330 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, | |
2331 | }, | |
2332 | }, | |
2333 | [MLX5_QP_STATE_RTS] = { | |
2334 | [MLX5_QP_STATE_RTS] = { | |
2335 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RRE | | |
2336 | MLX5_QP_OPTPAR_RAE | | |
2337 | MLX5_QP_OPTPAR_RWE | | |
2338 | MLX5_QP_OPTPAR_RNR_TIMEOUT | | |
c2a3431e EC |
2339 | MLX5_QP_OPTPAR_PM_STATE | |
2340 | MLX5_QP_OPTPAR_ALT_ADDR_PATH, | |
e126ba97 | 2341 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE | |
c2a3431e EC |
2342 | MLX5_QP_OPTPAR_PM_STATE | |
2343 | MLX5_QP_OPTPAR_ALT_ADDR_PATH, | |
e126ba97 EC |
2344 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY | |
2345 | MLX5_QP_OPTPAR_SRQN | | |
2346 | MLX5_QP_OPTPAR_CQN_RCV, | |
2347 | }, | |
2348 | }, | |
2349 | [MLX5_QP_STATE_SQER] = { | |
2350 | [MLX5_QP_STATE_RTS] = { | |
2351 | [MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY, | |
2352 | [MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY, | |
75959f56 | 2353 | [MLX5_QP_ST_UC] = MLX5_QP_OPTPAR_RWE, |
a4774e90 EC |
2354 | [MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_RNR_TIMEOUT | |
2355 | MLX5_QP_OPTPAR_RWE | | |
2356 | MLX5_QP_OPTPAR_RAE | | |
2357 | MLX5_QP_OPTPAR_RRE, | |
e126ba97 EC |
2358 | }, |
2359 | }, | |
2360 | }; | |
2361 | ||
2362 | static int ib_nr_to_mlx5_nr(int ib_mask) | |
2363 | { | |
2364 | switch (ib_mask) { | |
2365 | case IB_QP_STATE: | |
2366 | return 0; | |
2367 | case IB_QP_CUR_STATE: | |
2368 | return 0; | |
2369 | case IB_QP_EN_SQD_ASYNC_NOTIFY: | |
2370 | return 0; | |
2371 | case IB_QP_ACCESS_FLAGS: | |
2372 | return MLX5_QP_OPTPAR_RWE | MLX5_QP_OPTPAR_RRE | | |
2373 | MLX5_QP_OPTPAR_RAE; | |
2374 | case IB_QP_PKEY_INDEX: | |
2375 | return MLX5_QP_OPTPAR_PKEY_INDEX; | |
2376 | case IB_QP_PORT: | |
2377 | return MLX5_QP_OPTPAR_PRI_PORT; | |
2378 | case IB_QP_QKEY: | |
2379 | return MLX5_QP_OPTPAR_Q_KEY; | |
2380 | case IB_QP_AV: | |
2381 | return MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH | | |
2382 | MLX5_QP_OPTPAR_PRI_PORT; | |
2383 | case IB_QP_PATH_MTU: | |
2384 | return 0; | |
2385 | case IB_QP_TIMEOUT: | |
2386 | return MLX5_QP_OPTPAR_ACK_TIMEOUT; | |
2387 | case IB_QP_RETRY_CNT: | |
2388 | return MLX5_QP_OPTPAR_RETRY_COUNT; | |
2389 | case IB_QP_RNR_RETRY: | |
2390 | return MLX5_QP_OPTPAR_RNR_RETRY; | |
2391 | case IB_QP_RQ_PSN: | |
2392 | return 0; | |
2393 | case IB_QP_MAX_QP_RD_ATOMIC: | |
2394 | return MLX5_QP_OPTPAR_SRA_MAX; | |
2395 | case IB_QP_ALT_PATH: | |
2396 | return MLX5_QP_OPTPAR_ALT_ADDR_PATH; | |
2397 | case IB_QP_MIN_RNR_TIMER: | |
2398 | return MLX5_QP_OPTPAR_RNR_TIMEOUT; | |
2399 | case IB_QP_SQ_PSN: | |
2400 | return 0; | |
2401 | case IB_QP_MAX_DEST_RD_ATOMIC: | |
2402 | return MLX5_QP_OPTPAR_RRA_MAX | MLX5_QP_OPTPAR_RWE | | |
2403 | MLX5_QP_OPTPAR_RRE | MLX5_QP_OPTPAR_RAE; | |
2404 | case IB_QP_PATH_MIG_STATE: | |
2405 | return MLX5_QP_OPTPAR_PM_STATE; | |
2406 | case IB_QP_CAP: | |
2407 | return 0; | |
2408 | case IB_QP_DEST_QPN: | |
2409 | return 0; | |
2410 | } | |
2411 | return 0; | |
2412 | } | |
2413 | ||
2414 | static int ib_mask_to_mlx5_opt(int ib_mask) | |
2415 | { | |
2416 | int result = 0; | |
2417 | int i; | |
2418 | ||
2419 | for (i = 0; i < 8 * sizeof(int); i++) { | |
2420 | if ((1 << i) & ib_mask) | |
2421 | result |= ib_nr_to_mlx5_nr(1 << i); | |
2422 | } | |
2423 | ||
2424 | return result; | |
2425 | } | |
2426 | ||
eb49ab0c AV |
2427 | static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev, |
2428 | struct mlx5_ib_rq *rq, int new_state, | |
2429 | const struct mlx5_modify_raw_qp_param *raw_qp_param) | |
ad5f8e96 | 2430 | { |
2431 | void *in; | |
2432 | void *rqc; | |
2433 | int inlen; | |
2434 | int err; | |
2435 | ||
2436 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 2437 | in = kvzalloc(inlen, GFP_KERNEL); |
ad5f8e96 | 2438 | if (!in) |
2439 | return -ENOMEM; | |
2440 | ||
2441 | MLX5_SET(modify_rq_in, in, rq_state, rq->state); | |
2442 | ||
2443 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
2444 | MLX5_SET(rqc, rqc, state, new_state); | |
2445 | ||
eb49ab0c AV |
2446 | if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) { |
2447 | if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { | |
2448 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
23a6964e | 2449 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); |
eb49ab0c AV |
2450 | MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id); |
2451 | } else | |
2452 | pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n", | |
2453 | dev->ib_dev.name); | |
2454 | } | |
2455 | ||
2456 | err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen); | |
ad5f8e96 | 2457 | if (err) |
2458 | goto out; | |
2459 | ||
2460 | rq->state = new_state; | |
2461 | ||
2462 | out: | |
2463 | kvfree(in); | |
2464 | return err; | |
2465 | } | |
2466 | ||
2467 | static int modify_raw_packet_qp_sq(struct mlx5_core_dev *dev, | |
7d29f349 BW |
2468 | struct mlx5_ib_sq *sq, |
2469 | int new_state, | |
2470 | const struct mlx5_modify_raw_qp_param *raw_qp_param) | |
ad5f8e96 | 2471 | { |
7d29f349 BW |
2472 | struct mlx5_ib_qp *ibqp = sq->base.container_mibqp; |
2473 | u32 old_rate = ibqp->rate_limit; | |
2474 | u32 new_rate = old_rate; | |
2475 | u16 rl_index = 0; | |
ad5f8e96 | 2476 | void *in; |
2477 | void *sqc; | |
2478 | int inlen; | |
2479 | int err; | |
2480 | ||
2481 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); | |
1b9a07ee | 2482 | in = kvzalloc(inlen, GFP_KERNEL); |
ad5f8e96 | 2483 | if (!in) |
2484 | return -ENOMEM; | |
2485 | ||
2486 | MLX5_SET(modify_sq_in, in, sq_state, sq->state); | |
2487 | ||
2488 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); | |
2489 | MLX5_SET(sqc, sqc, state, new_state); | |
2490 | ||
7d29f349 BW |
2491 | if (raw_qp_param->set_mask & MLX5_RAW_QP_RATE_LIMIT) { |
2492 | if (new_state != MLX5_SQC_STATE_RDY) | |
2493 | pr_warn("%s: Rate limit can only be changed when SQ is moving to RDY\n", | |
2494 | __func__); | |
2495 | else | |
2496 | new_rate = raw_qp_param->rate_limit; | |
2497 | } | |
2498 | ||
2499 | if (old_rate != new_rate) { | |
2500 | if (new_rate) { | |
2501 | err = mlx5_rl_add_rate(dev, new_rate, &rl_index); | |
2502 | if (err) { | |
2503 | pr_err("Failed configuring rate %u: %d\n", | |
2504 | new_rate, err); | |
2505 | goto out; | |
2506 | } | |
2507 | } | |
2508 | ||
2509 | MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); | |
2510 | MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); | |
2511 | } | |
2512 | ||
ad5f8e96 | 2513 | err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen); |
7d29f349 BW |
2514 | if (err) { |
2515 | /* Remove new rate from table if failed */ | |
2516 | if (new_rate && | |
2517 | old_rate != new_rate) | |
2518 | mlx5_rl_remove_rate(dev, new_rate); | |
ad5f8e96 | 2519 | goto out; |
7d29f349 BW |
2520 | } |
2521 | ||
2522 | /* Only remove the old rate after new rate was set */ | |
2523 | if ((old_rate && | |
2524 | (old_rate != new_rate)) || | |
2525 | (new_state != MLX5_SQC_STATE_RDY)) | |
2526 | mlx5_rl_remove_rate(dev, old_rate); | |
ad5f8e96 | 2527 | |
7d29f349 | 2528 | ibqp->rate_limit = new_rate; |
ad5f8e96 | 2529 | sq->state = new_state; |
2530 | ||
2531 | out: | |
2532 | kvfree(in); | |
2533 | return err; | |
2534 | } | |
2535 | ||
2536 | static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
13eab21f AH |
2537 | const struct mlx5_modify_raw_qp_param *raw_qp_param, |
2538 | u8 tx_affinity) | |
ad5f8e96 | 2539 | { |
2540 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
2541 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
2542 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
7d29f349 BW |
2543 | int modify_rq = !!qp->rq.wqe_cnt; |
2544 | int modify_sq = !!qp->sq.wqe_cnt; | |
ad5f8e96 | 2545 | int rq_state; |
2546 | int sq_state; | |
2547 | int err; | |
2548 | ||
0680efa2 | 2549 | switch (raw_qp_param->operation) { |
ad5f8e96 | 2550 | case MLX5_CMD_OP_RST2INIT_QP: |
2551 | rq_state = MLX5_RQC_STATE_RDY; | |
2552 | sq_state = MLX5_SQC_STATE_RDY; | |
2553 | break; | |
2554 | case MLX5_CMD_OP_2ERR_QP: | |
2555 | rq_state = MLX5_RQC_STATE_ERR; | |
2556 | sq_state = MLX5_SQC_STATE_ERR; | |
2557 | break; | |
2558 | case MLX5_CMD_OP_2RST_QP: | |
2559 | rq_state = MLX5_RQC_STATE_RST; | |
2560 | sq_state = MLX5_SQC_STATE_RST; | |
2561 | break; | |
ad5f8e96 | 2562 | case MLX5_CMD_OP_RTR2RTS_QP: |
2563 | case MLX5_CMD_OP_RTS2RTS_QP: | |
7d29f349 BW |
2564 | if (raw_qp_param->set_mask == |
2565 | MLX5_RAW_QP_RATE_LIMIT) { | |
2566 | modify_rq = 0; | |
2567 | sq_state = sq->state; | |
2568 | } else { | |
2569 | return raw_qp_param->set_mask ? -EINVAL : 0; | |
2570 | } | |
2571 | break; | |
2572 | case MLX5_CMD_OP_INIT2INIT_QP: | |
2573 | case MLX5_CMD_OP_INIT2RTR_QP: | |
eb49ab0c AV |
2574 | if (raw_qp_param->set_mask) |
2575 | return -EINVAL; | |
2576 | else | |
2577 | return 0; | |
ad5f8e96 | 2578 | default: |
2579 | WARN_ON(1); | |
2580 | return -EINVAL; | |
2581 | } | |
2582 | ||
7d29f349 BW |
2583 | if (modify_rq) { |
2584 | err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param); | |
ad5f8e96 | 2585 | if (err) |
2586 | return err; | |
2587 | } | |
2588 | ||
7d29f349 | 2589 | if (modify_sq) { |
13eab21f AH |
2590 | if (tx_affinity) { |
2591 | err = modify_raw_packet_tx_affinity(dev->mdev, sq, | |
2592 | tx_affinity); | |
2593 | if (err) | |
2594 | return err; | |
2595 | } | |
2596 | ||
7d29f349 | 2597 | return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state, raw_qp_param); |
13eab21f | 2598 | } |
ad5f8e96 | 2599 | |
2600 | return 0; | |
2601 | } | |
2602 | ||
e126ba97 EC |
2603 | static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, |
2604 | const struct ib_qp_attr *attr, int attr_mask, | |
2605 | enum ib_qp_state cur_state, enum ib_qp_state new_state) | |
2606 | { | |
427c1e7b | 2607 | static const u16 optab[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE] = { |
2608 | [MLX5_QP_STATE_RST] = { | |
2609 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2610 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2611 | [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_RST2INIT_QP, | |
2612 | }, | |
2613 | [MLX5_QP_STATE_INIT] = { | |
2614 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2615 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2616 | [MLX5_QP_STATE_INIT] = MLX5_CMD_OP_INIT2INIT_QP, | |
2617 | [MLX5_QP_STATE_RTR] = MLX5_CMD_OP_INIT2RTR_QP, | |
2618 | }, | |
2619 | [MLX5_QP_STATE_RTR] = { | |
2620 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2621 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2622 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTR2RTS_QP, | |
2623 | }, | |
2624 | [MLX5_QP_STATE_RTS] = { | |
2625 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2626 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2627 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_RTS2RTS_QP, | |
2628 | }, | |
2629 | [MLX5_QP_STATE_SQD] = { | |
2630 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2631 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2632 | }, | |
2633 | [MLX5_QP_STATE_SQER] = { | |
2634 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2635 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2636 | [MLX5_QP_STATE_RTS] = MLX5_CMD_OP_SQERR2RTS_QP, | |
2637 | }, | |
2638 | [MLX5_QP_STATE_ERR] = { | |
2639 | [MLX5_QP_STATE_RST] = MLX5_CMD_OP_2RST_QP, | |
2640 | [MLX5_QP_STATE_ERR] = MLX5_CMD_OP_2ERR_QP, | |
2641 | } | |
2642 | }; | |
2643 | ||
e126ba97 EC |
2644 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
2645 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
19098df2 | 2646 | struct mlx5_ib_qp_base *base = &qp->trans_qp.base; |
e126ba97 EC |
2647 | struct mlx5_ib_cq *send_cq, *recv_cq; |
2648 | struct mlx5_qp_context *context; | |
e126ba97 | 2649 | struct mlx5_ib_pd *pd; |
eb49ab0c | 2650 | struct mlx5_ib_port *mibport = NULL; |
e126ba97 EC |
2651 | enum mlx5_qp_state mlx5_cur, mlx5_new; |
2652 | enum mlx5_qp_optpar optpar; | |
e126ba97 EC |
2653 | int mlx5_st; |
2654 | int err; | |
427c1e7b | 2655 | u16 op; |
13eab21f | 2656 | u8 tx_affinity = 0; |
e126ba97 | 2657 | |
1a412fb1 SM |
2658 | context = kzalloc(sizeof(*context), GFP_KERNEL); |
2659 | if (!context) | |
e126ba97 EC |
2660 | return -ENOMEM; |
2661 | ||
e126ba97 | 2662 | err = to_mlx5_st(ibqp->qp_type); |
158abf86 HE |
2663 | if (err < 0) { |
2664 | mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); | |
e126ba97 | 2665 | goto out; |
158abf86 | 2666 | } |
e126ba97 EC |
2667 | |
2668 | context->flags = cpu_to_be32(err << 16); | |
2669 | ||
2670 | if (!(attr_mask & IB_QP_PATH_MIG_STATE)) { | |
2671 | context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); | |
2672 | } else { | |
2673 | switch (attr->path_mig_state) { | |
2674 | case IB_MIG_MIGRATED: | |
2675 | context->flags |= cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); | |
2676 | break; | |
2677 | case IB_MIG_REARM: | |
2678 | context->flags |= cpu_to_be32(MLX5_QP_PM_REARM << 11); | |
2679 | break; | |
2680 | case IB_MIG_ARMED: | |
2681 | context->flags |= cpu_to_be32(MLX5_QP_PM_ARMED << 11); | |
2682 | break; | |
2683 | } | |
2684 | } | |
2685 | ||
13eab21f AH |
2686 | if ((cur_state == IB_QPS_RESET) && (new_state == IB_QPS_INIT)) { |
2687 | if ((ibqp->qp_type == IB_QPT_RC) || | |
2688 | (ibqp->qp_type == IB_QPT_UD && | |
2689 | !(qp->flags & MLX5_IB_QP_SQPN_QP1)) || | |
2690 | (ibqp->qp_type == IB_QPT_UC) || | |
2691 | (ibqp->qp_type == IB_QPT_RAW_PACKET) || | |
2692 | (ibqp->qp_type == IB_QPT_XRC_INI) || | |
2693 | (ibqp->qp_type == IB_QPT_XRC_TGT)) { | |
2694 | if (mlx5_lag_is_active(dev->mdev)) { | |
2695 | tx_affinity = (unsigned int)atomic_add_return(1, | |
2696 | &dev->roce.next_port) % | |
2697 | MLX5_MAX_PORTS + 1; | |
2698 | context->flags |= cpu_to_be32(tx_affinity << 24); | |
2699 | } | |
2700 | } | |
2701 | } | |
2702 | ||
d16e91da | 2703 | if (is_sqp(ibqp->qp_type)) { |
e126ba97 EC |
2704 | context->mtu_msgmax = (IB_MTU_256 << 5) | 8; |
2705 | } else if (ibqp->qp_type == IB_QPT_UD || | |
2706 | ibqp->qp_type == MLX5_IB_QPT_REG_UMR) { | |
2707 | context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; | |
2708 | } else if (attr_mask & IB_QP_PATH_MTU) { | |
2709 | if (attr->path_mtu < IB_MTU_256 || | |
2710 | attr->path_mtu > IB_MTU_4096) { | |
2711 | mlx5_ib_warn(dev, "invalid mtu %d\n", attr->path_mtu); | |
2712 | err = -EINVAL; | |
2713 | goto out; | |
2714 | } | |
938fe83c SM |
2715 | context->mtu_msgmax = (attr->path_mtu << 5) | |
2716 | (u8)MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
e126ba97 EC |
2717 | } |
2718 | ||
2719 | if (attr_mask & IB_QP_DEST_QPN) | |
2720 | context->log_pg_sz_remote_qpn = cpu_to_be32(attr->dest_qp_num); | |
2721 | ||
2722 | if (attr_mask & IB_QP_PKEY_INDEX) | |
d3ae2bde | 2723 | context->pri_path.pkey_index = cpu_to_be16(attr->pkey_index); |
e126ba97 EC |
2724 | |
2725 | /* todo implement counter_index functionality */ | |
2726 | ||
2727 | if (is_sqp(ibqp->qp_type)) | |
2728 | context->pri_path.port = qp->port; | |
2729 | ||
2730 | if (attr_mask & IB_QP_PORT) | |
2731 | context->pri_path.port = attr->port_num; | |
2732 | ||
2733 | if (attr_mask & IB_QP_AV) { | |
75850d0b | 2734 | err = mlx5_set_path(dev, qp, &attr->ah_attr, &context->pri_path, |
e126ba97 | 2735 | attr_mask & IB_QP_PORT ? attr->port_num : qp->port, |
f879ee8d | 2736 | attr_mask, 0, attr, false); |
e126ba97 EC |
2737 | if (err) |
2738 | goto out; | |
2739 | } | |
2740 | ||
2741 | if (attr_mask & IB_QP_TIMEOUT) | |
2742 | context->pri_path.ackto_lt |= attr->timeout << 3; | |
2743 | ||
2744 | if (attr_mask & IB_QP_ALT_PATH) { | |
75850d0b | 2745 | err = mlx5_set_path(dev, qp, &attr->alt_ah_attr, |
2746 | &context->alt_path, | |
f879ee8d AS |
2747 | attr->alt_port_num, |
2748 | attr_mask | IB_QP_PKEY_INDEX | IB_QP_TIMEOUT, | |
2749 | 0, attr, true); | |
e126ba97 EC |
2750 | if (err) |
2751 | goto out; | |
2752 | } | |
2753 | ||
2754 | pd = get_pd(qp); | |
89ea94a7 MG |
2755 | get_cqs(qp->ibqp.qp_type, qp->ibqp.send_cq, qp->ibqp.recv_cq, |
2756 | &send_cq, &recv_cq); | |
e126ba97 EC |
2757 | |
2758 | context->flags_pd = cpu_to_be32(pd ? pd->pdn : to_mpd(dev->devr.p0)->pdn); | |
2759 | context->cqn_send = send_cq ? cpu_to_be32(send_cq->mcq.cqn) : 0; | |
2760 | context->cqn_recv = recv_cq ? cpu_to_be32(recv_cq->mcq.cqn) : 0; | |
2761 | context->params1 = cpu_to_be32(MLX5_IB_ACK_REQ_FREQ << 28); | |
2762 | ||
2763 | if (attr_mask & IB_QP_RNR_RETRY) | |
2764 | context->params1 |= cpu_to_be32(attr->rnr_retry << 13); | |
2765 | ||
2766 | if (attr_mask & IB_QP_RETRY_CNT) | |
2767 | context->params1 |= cpu_to_be32(attr->retry_cnt << 16); | |
2768 | ||
2769 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { | |
2770 | if (attr->max_rd_atomic) | |
2771 | context->params1 |= | |
2772 | cpu_to_be32(fls(attr->max_rd_atomic - 1) << 21); | |
2773 | } | |
2774 | ||
2775 | if (attr_mask & IB_QP_SQ_PSN) | |
2776 | context->next_send_psn = cpu_to_be32(attr->sq_psn); | |
2777 | ||
2778 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { | |
2779 | if (attr->max_dest_rd_atomic) | |
2780 | context->params2 |= | |
2781 | cpu_to_be32(fls(attr->max_dest_rd_atomic - 1) << 21); | |
2782 | } | |
2783 | ||
2784 | if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) | |
2785 | context->params2 |= to_mlx5_access_flags(qp, attr, attr_mask); | |
2786 | ||
2787 | if (attr_mask & IB_QP_MIN_RNR_TIMER) | |
2788 | context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24); | |
2789 | ||
2790 | if (attr_mask & IB_QP_RQ_PSN) | |
2791 | context->rnr_nextrecvpsn |= cpu_to_be32(attr->rq_psn); | |
2792 | ||
2793 | if (attr_mask & IB_QP_QKEY) | |
2794 | context->qkey = cpu_to_be32(attr->qkey); | |
2795 | ||
2796 | if (qp->rq.wqe_cnt && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) | |
2797 | context->db_rec_addr = cpu_to_be64(qp->db.dma); | |
2798 | ||
0837e86a MB |
2799 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { |
2800 | u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num : | |
2801 | qp->port) - 1; | |
eb49ab0c | 2802 | mibport = &dev->port[port_num]; |
0837e86a | 2803 | context->qp_counter_set_usr_page |= |
e1f24a79 | 2804 | cpu_to_be32((u32)(mibport->cnts.set_id) << 24); |
0837e86a MB |
2805 | } |
2806 | ||
e126ba97 EC |
2807 | if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) |
2808 | context->sq_crq_size |= cpu_to_be16(1 << 4); | |
2809 | ||
b11a4f9c HE |
2810 | if (qp->flags & MLX5_IB_QP_SQPN_QP1) |
2811 | context->deth_sqpn = cpu_to_be32(1); | |
e126ba97 EC |
2812 | |
2813 | mlx5_cur = to_mlx5_state(cur_state); | |
2814 | mlx5_new = to_mlx5_state(new_state); | |
2815 | mlx5_st = to_mlx5_st(ibqp->qp_type); | |
07c9113f | 2816 | if (mlx5_st < 0) |
e126ba97 EC |
2817 | goto out; |
2818 | ||
427c1e7b | 2819 | if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE || |
2820 | !optab[mlx5_cur][mlx5_new]) | |
2821 | goto out; | |
2822 | ||
2823 | op = optab[mlx5_cur][mlx5_new]; | |
e126ba97 EC |
2824 | optpar = ib_mask_to_mlx5_opt(attr_mask); |
2825 | optpar &= opt_mask[mlx5_cur][mlx5_new][mlx5_st]; | |
ad5f8e96 | 2826 | |
0680efa2 AV |
2827 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { |
2828 | struct mlx5_modify_raw_qp_param raw_qp_param = {}; | |
2829 | ||
2830 | raw_qp_param.operation = op; | |
eb49ab0c | 2831 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { |
e1f24a79 | 2832 | raw_qp_param.rq_q_ctr_id = mibport->cnts.set_id; |
eb49ab0c AV |
2833 | raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID; |
2834 | } | |
7d29f349 BW |
2835 | |
2836 | if (attr_mask & IB_QP_RATE_LIMIT) { | |
2837 | raw_qp_param.rate_limit = attr->rate_limit; | |
2838 | raw_qp_param.set_mask |= MLX5_RAW_QP_RATE_LIMIT; | |
2839 | } | |
2840 | ||
13eab21f | 2841 | err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity); |
0680efa2 | 2842 | } else { |
1a412fb1 | 2843 | err = mlx5_core_qp_modify(dev->mdev, op, optpar, context, |
ad5f8e96 | 2844 | &base->mqp); |
0680efa2 AV |
2845 | } |
2846 | ||
e126ba97 EC |
2847 | if (err) |
2848 | goto out; | |
2849 | ||
2850 | qp->state = new_state; | |
2851 | ||
2852 | if (attr_mask & IB_QP_ACCESS_FLAGS) | |
19098df2 | 2853 | qp->trans_qp.atomic_rd_en = attr->qp_access_flags; |
e126ba97 | 2854 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) |
19098df2 | 2855 | qp->trans_qp.resp_depth = attr->max_dest_rd_atomic; |
e126ba97 EC |
2856 | if (attr_mask & IB_QP_PORT) |
2857 | qp->port = attr->port_num; | |
2858 | if (attr_mask & IB_QP_ALT_PATH) | |
19098df2 | 2859 | qp->trans_qp.alt_port = attr->alt_port_num; |
e126ba97 EC |
2860 | |
2861 | /* | |
2862 | * If we moved a kernel QP to RESET, clean up all old CQ | |
2863 | * entries and reinitialize the QP. | |
2864 | */ | |
2865 | if (new_state == IB_QPS_RESET && !ibqp->uobject) { | |
19098df2 | 2866 | mlx5_ib_cq_clean(recv_cq, base->mqp.qpn, |
e126ba97 EC |
2867 | ibqp->srq ? to_msrq(ibqp->srq) : NULL); |
2868 | if (send_cq != recv_cq) | |
19098df2 | 2869 | mlx5_ib_cq_clean(send_cq, base->mqp.qpn, NULL); |
e126ba97 EC |
2870 | |
2871 | qp->rq.head = 0; | |
2872 | qp->rq.tail = 0; | |
2873 | qp->sq.head = 0; | |
2874 | qp->sq.tail = 0; | |
2875 | qp->sq.cur_post = 0; | |
2876 | qp->sq.last_poll = 0; | |
2877 | qp->db.db[MLX5_RCV_DBR] = 0; | |
2878 | qp->db.db[MLX5_SND_DBR] = 0; | |
2879 | } | |
2880 | ||
2881 | out: | |
1a412fb1 | 2882 | kfree(context); |
e126ba97 EC |
2883 | return err; |
2884 | } | |
2885 | ||
2886 | int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, | |
2887 | int attr_mask, struct ib_udata *udata) | |
2888 | { | |
2889 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2890 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
d16e91da | 2891 | enum ib_qp_type qp_type; |
e126ba97 EC |
2892 | enum ib_qp_state cur_state, new_state; |
2893 | int err = -EINVAL; | |
2894 | int port; | |
2811ba51 | 2895 | enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED; |
e126ba97 | 2896 | |
28d61370 YH |
2897 | if (ibqp->rwq_ind_tbl) |
2898 | return -ENOSYS; | |
2899 | ||
d16e91da HE |
2900 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
2901 | return mlx5_ib_gsi_modify_qp(ibqp, attr, attr_mask); | |
2902 | ||
2903 | qp_type = (unlikely(ibqp->qp_type == MLX5_IB_QPT_HW_GSI)) ? | |
2904 | IB_QPT_GSI : ibqp->qp_type; | |
2905 | ||
e126ba97 EC |
2906 | mutex_lock(&qp->mutex); |
2907 | ||
2908 | cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state; | |
2909 | new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state; | |
2910 | ||
2811ba51 AS |
2911 | if (!(cur_state == new_state && cur_state == IB_QPS_RESET)) { |
2912 | port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; | |
2913 | ll = dev->ib_dev.get_link_layer(&dev->ib_dev, port); | |
2914 | } | |
2915 | ||
d16e91da HE |
2916 | if (qp_type != MLX5_IB_QPT_REG_UMR && |
2917 | !ib_modify_qp_is_ok(cur_state, new_state, qp_type, attr_mask, ll)) { | |
158abf86 HE |
2918 | mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", |
2919 | cur_state, new_state, ibqp->qp_type, attr_mask); | |
e126ba97 | 2920 | goto out; |
158abf86 | 2921 | } |
e126ba97 EC |
2922 | |
2923 | if ((attr_mask & IB_QP_PORT) && | |
938fe83c | 2924 | (attr->port_num == 0 || |
158abf86 HE |
2925 | attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { |
2926 | mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", | |
2927 | attr->port_num, dev->num_ports); | |
e126ba97 | 2928 | goto out; |
158abf86 | 2929 | } |
e126ba97 EC |
2930 | |
2931 | if (attr_mask & IB_QP_PKEY_INDEX) { | |
2932 | port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; | |
938fe83c | 2933 | if (attr->pkey_index >= |
158abf86 HE |
2934 | dev->mdev->port_caps[port - 1].pkey_table_len) { |
2935 | mlx5_ib_dbg(dev, "invalid pkey index %d\n", | |
2936 | attr->pkey_index); | |
e126ba97 | 2937 | goto out; |
158abf86 | 2938 | } |
e126ba97 EC |
2939 | } |
2940 | ||
2941 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && | |
938fe83c | 2942 | attr->max_rd_atomic > |
158abf86 HE |
2943 | (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { |
2944 | mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", | |
2945 | attr->max_rd_atomic); | |
e126ba97 | 2946 | goto out; |
158abf86 | 2947 | } |
e126ba97 EC |
2948 | |
2949 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && | |
938fe83c | 2950 | attr->max_dest_rd_atomic > |
158abf86 HE |
2951 | (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { |
2952 | mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", | |
2953 | attr->max_dest_rd_atomic); | |
e126ba97 | 2954 | goto out; |
158abf86 | 2955 | } |
e126ba97 EC |
2956 | |
2957 | if (cur_state == new_state && cur_state == IB_QPS_RESET) { | |
2958 | err = 0; | |
2959 | goto out; | |
2960 | } | |
2961 | ||
2962 | err = __mlx5_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state); | |
2963 | ||
2964 | out: | |
2965 | mutex_unlock(&qp->mutex); | |
2966 | return err; | |
2967 | } | |
2968 | ||
2969 | static int mlx5_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq) | |
2970 | { | |
2971 | struct mlx5_ib_cq *cq; | |
2972 | unsigned cur; | |
2973 | ||
2974 | cur = wq->head - wq->tail; | |
2975 | if (likely(cur + nreq < wq->max_post)) | |
2976 | return 0; | |
2977 | ||
2978 | cq = to_mcq(ib_cq); | |
2979 | spin_lock(&cq->lock); | |
2980 | cur = wq->head - wq->tail; | |
2981 | spin_unlock(&cq->lock); | |
2982 | ||
2983 | return cur + nreq >= wq->max_post; | |
2984 | } | |
2985 | ||
2986 | static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg, | |
2987 | u64 remote_addr, u32 rkey) | |
2988 | { | |
2989 | rseg->raddr = cpu_to_be64(remote_addr); | |
2990 | rseg->rkey = cpu_to_be32(rkey); | |
2991 | rseg->reserved = 0; | |
2992 | } | |
2993 | ||
f0313965 ES |
2994 | static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg, |
2995 | struct ib_send_wr *wr, void *qend, | |
2996 | struct mlx5_ib_qp *qp, int *size) | |
2997 | { | |
2998 | void *seg = eseg; | |
2999 | ||
3000 | memset(eseg, 0, sizeof(struct mlx5_wqe_eth_seg)); | |
3001 | ||
3002 | if (wr->send_flags & IB_SEND_IP_CSUM) | |
3003 | eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | | |
3004 | MLX5_ETH_WQE_L4_CSUM; | |
3005 | ||
3006 | seg += sizeof(struct mlx5_wqe_eth_seg); | |
3007 | *size += sizeof(struct mlx5_wqe_eth_seg) / 16; | |
3008 | ||
3009 | if (wr->opcode == IB_WR_LSO) { | |
3010 | struct ib_ud_wr *ud_wr = container_of(wr, struct ib_ud_wr, wr); | |
2b31f7ae | 3011 | int size_of_inl_hdr_start = sizeof(eseg->inline_hdr.start); |
f0313965 ES |
3012 | u64 left, leftlen, copysz; |
3013 | void *pdata = ud_wr->header; | |
3014 | ||
3015 | left = ud_wr->hlen; | |
3016 | eseg->mss = cpu_to_be16(ud_wr->mss); | |
2b31f7ae | 3017 | eseg->inline_hdr.sz = cpu_to_be16(left); |
f0313965 ES |
3018 | |
3019 | /* | |
3020 | * check if there is space till the end of queue, if yes, | |
3021 | * copy all in one shot, otherwise copy till the end of queue, | |
3022 | * rollback and than the copy the left | |
3023 | */ | |
2b31f7ae | 3024 | leftlen = qend - (void *)eseg->inline_hdr.start; |
f0313965 ES |
3025 | copysz = min_t(u64, leftlen, left); |
3026 | ||
3027 | memcpy(seg - size_of_inl_hdr_start, pdata, copysz); | |
3028 | ||
3029 | if (likely(copysz > size_of_inl_hdr_start)) { | |
3030 | seg += ALIGN(copysz - size_of_inl_hdr_start, 16); | |
3031 | *size += ALIGN(copysz - size_of_inl_hdr_start, 16) / 16; | |
3032 | } | |
3033 | ||
3034 | if (unlikely(copysz < left)) { /* the last wqe in the queue */ | |
3035 | seg = mlx5_get_send_wqe(qp, 0); | |
3036 | left -= copysz; | |
3037 | pdata += copysz; | |
3038 | memcpy(seg, pdata, left); | |
3039 | seg += ALIGN(left, 16); | |
3040 | *size += ALIGN(left, 16) / 16; | |
3041 | } | |
3042 | } | |
3043 | ||
3044 | return seg; | |
3045 | } | |
3046 | ||
e126ba97 EC |
3047 | static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg, |
3048 | struct ib_send_wr *wr) | |
3049 | { | |
e622f2f4 CH |
3050 | memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av)); |
3051 | dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV); | |
3052 | dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey); | |
e126ba97 EC |
3053 | } |
3054 | ||
3055 | static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg) | |
3056 | { | |
3057 | dseg->byte_count = cpu_to_be32(sg->length); | |
3058 | dseg->lkey = cpu_to_be32(sg->lkey); | |
3059 | dseg->addr = cpu_to_be64(sg->addr); | |
3060 | } | |
3061 | ||
31616255 | 3062 | static u64 get_xlt_octo(u64 bytes) |
e126ba97 | 3063 | { |
31616255 AK |
3064 | return ALIGN(bytes, MLX5_IB_UMR_XLT_ALIGNMENT) / |
3065 | MLX5_IB_UMR_OCTOWORD; | |
e126ba97 EC |
3066 | } |
3067 | ||
3068 | static __be64 frwr_mkey_mask(void) | |
3069 | { | |
3070 | u64 result; | |
3071 | ||
3072 | result = MLX5_MKEY_MASK_LEN | | |
3073 | MLX5_MKEY_MASK_PAGE_SIZE | | |
3074 | MLX5_MKEY_MASK_START_ADDR | | |
3075 | MLX5_MKEY_MASK_EN_RINVAL | | |
3076 | MLX5_MKEY_MASK_KEY | | |
3077 | MLX5_MKEY_MASK_LR | | |
3078 | MLX5_MKEY_MASK_LW | | |
3079 | MLX5_MKEY_MASK_RR | | |
3080 | MLX5_MKEY_MASK_RW | | |
3081 | MLX5_MKEY_MASK_A | | |
3082 | MLX5_MKEY_MASK_SMALL_FENCE | | |
3083 | MLX5_MKEY_MASK_FREE; | |
3084 | ||
3085 | return cpu_to_be64(result); | |
3086 | } | |
3087 | ||
e6631814 SG |
3088 | static __be64 sig_mkey_mask(void) |
3089 | { | |
3090 | u64 result; | |
3091 | ||
3092 | result = MLX5_MKEY_MASK_LEN | | |
3093 | MLX5_MKEY_MASK_PAGE_SIZE | | |
3094 | MLX5_MKEY_MASK_START_ADDR | | |
d5436ba0 | 3095 | MLX5_MKEY_MASK_EN_SIGERR | |
e6631814 SG |
3096 | MLX5_MKEY_MASK_EN_RINVAL | |
3097 | MLX5_MKEY_MASK_KEY | | |
3098 | MLX5_MKEY_MASK_LR | | |
3099 | MLX5_MKEY_MASK_LW | | |
3100 | MLX5_MKEY_MASK_RR | | |
3101 | MLX5_MKEY_MASK_RW | | |
3102 | MLX5_MKEY_MASK_SMALL_FENCE | | |
3103 | MLX5_MKEY_MASK_FREE | | |
3104 | MLX5_MKEY_MASK_BSF_EN; | |
3105 | ||
3106 | return cpu_to_be64(result); | |
3107 | } | |
3108 | ||
8a187ee5 | 3109 | static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr, |
31616255 | 3110 | struct mlx5_ib_mr *mr) |
8a187ee5 | 3111 | { |
31616255 | 3112 | int size = mr->ndescs * mr->desc_size; |
8a187ee5 SG |
3113 | |
3114 | memset(umr, 0, sizeof(*umr)); | |
b005d316 | 3115 | |
8a187ee5 | 3116 | umr->flags = MLX5_UMR_CHECK_NOT_FREE; |
31616255 | 3117 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); |
8a187ee5 SG |
3118 | umr->mkey_mask = frwr_mkey_mask(); |
3119 | } | |
3120 | ||
dd01e66a | 3121 | static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr) |
e126ba97 EC |
3122 | { |
3123 | memset(umr, 0, sizeof(*umr)); | |
dd01e66a | 3124 | umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE); |
2d221588 | 3125 | umr->flags = MLX5_UMR_INLINE; |
e126ba97 EC |
3126 | } |
3127 | ||
31616255 | 3128 | static __be64 get_umr_enable_mr_mask(void) |
968e78dd HE |
3129 | { |
3130 | u64 result; | |
3131 | ||
31616255 | 3132 | result = MLX5_MKEY_MASK_KEY | |
968e78dd HE |
3133 | MLX5_MKEY_MASK_FREE; |
3134 | ||
968e78dd HE |
3135 | return cpu_to_be64(result); |
3136 | } | |
3137 | ||
31616255 | 3138 | static __be64 get_umr_disable_mr_mask(void) |
968e78dd HE |
3139 | { |
3140 | u64 result; | |
3141 | ||
3142 | result = MLX5_MKEY_MASK_FREE; | |
3143 | ||
3144 | return cpu_to_be64(result); | |
3145 | } | |
3146 | ||
56e11d62 NO |
3147 | static __be64 get_umr_update_translation_mask(void) |
3148 | { | |
3149 | u64 result; | |
3150 | ||
3151 | result = MLX5_MKEY_MASK_LEN | | |
3152 | MLX5_MKEY_MASK_PAGE_SIZE | | |
31616255 | 3153 | MLX5_MKEY_MASK_START_ADDR; |
56e11d62 NO |
3154 | |
3155 | return cpu_to_be64(result); | |
3156 | } | |
3157 | ||
31616255 | 3158 | static __be64 get_umr_update_access_mask(int atomic) |
56e11d62 NO |
3159 | { |
3160 | u64 result; | |
3161 | ||
31616255 AK |
3162 | result = MLX5_MKEY_MASK_LR | |
3163 | MLX5_MKEY_MASK_LW | | |
56e11d62 | 3164 | MLX5_MKEY_MASK_RR | |
31616255 AK |
3165 | MLX5_MKEY_MASK_RW; |
3166 | ||
3167 | if (atomic) | |
3168 | result |= MLX5_MKEY_MASK_A; | |
56e11d62 NO |
3169 | |
3170 | return cpu_to_be64(result); | |
3171 | } | |
3172 | ||
3173 | static __be64 get_umr_update_pd_mask(void) | |
3174 | { | |
3175 | u64 result; | |
3176 | ||
31616255 | 3177 | result = MLX5_MKEY_MASK_PD; |
56e11d62 NO |
3178 | |
3179 | return cpu_to_be64(result); | |
3180 | } | |
3181 | ||
e126ba97 | 3182 | static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, |
578e7264 | 3183 | struct ib_send_wr *wr, int atomic) |
e126ba97 | 3184 | { |
e622f2f4 | 3185 | struct mlx5_umr_wr *umrwr = umr_wr(wr); |
e126ba97 EC |
3186 | |
3187 | memset(umr, 0, sizeof(*umr)); | |
3188 | ||
968e78dd HE |
3189 | if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE) |
3190 | umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */ | |
3191 | else | |
3192 | umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */ | |
3193 | ||
31616255 AK |
3194 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size)); |
3195 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) { | |
3196 | u64 offset = get_xlt_octo(umrwr->offset); | |
3197 | ||
3198 | umr->xlt_offset = cpu_to_be16(offset & 0xffff); | |
3199 | umr->xlt_offset_47_16 = cpu_to_be32(offset >> 16); | |
3200 | umr->flags |= MLX5_UMR_TRANSLATION_OFFSET_EN; | |
e126ba97 | 3201 | } |
31616255 AK |
3202 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION) |
3203 | umr->mkey_mask |= get_umr_update_translation_mask(); | |
3204 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS) { | |
3205 | umr->mkey_mask |= get_umr_update_access_mask(atomic); | |
3206 | umr->mkey_mask |= get_umr_update_pd_mask(); | |
3207 | } | |
3208 | if (wr->send_flags & MLX5_IB_SEND_UMR_ENABLE_MR) | |
3209 | umr->mkey_mask |= get_umr_enable_mr_mask(); | |
3210 | if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) | |
3211 | umr->mkey_mask |= get_umr_disable_mr_mask(); | |
e126ba97 EC |
3212 | |
3213 | if (!wr->num_sge) | |
968e78dd | 3214 | umr->flags |= MLX5_UMR_INLINE; |
e126ba97 EC |
3215 | } |
3216 | ||
3217 | static u8 get_umr_flags(int acc) | |
3218 | { | |
3219 | return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) | | |
3220 | (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) | | |
3221 | (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) | | |
3222 | (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) | | |
2ac45934 | 3223 | MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN; |
e126ba97 EC |
3224 | } |
3225 | ||
8a187ee5 SG |
3226 | static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg, |
3227 | struct mlx5_ib_mr *mr, | |
3228 | u32 key, int access) | |
3229 | { | |
3230 | int ndescs = ALIGN(mr->ndescs, 8) >> 1; | |
3231 | ||
3232 | memset(seg, 0, sizeof(*seg)); | |
b005d316 | 3233 | |
ec22eb53 | 3234 | if (mr->access_mode == MLX5_MKC_ACCESS_MODE_MTT) |
b005d316 | 3235 | seg->log2_page_size = ilog2(mr->ibmr.page_size); |
ec22eb53 | 3236 | else if (mr->access_mode == MLX5_MKC_ACCESS_MODE_KLMS) |
b005d316 SG |
3237 | /* KLMs take twice the size of MTTs */ |
3238 | ndescs *= 2; | |
3239 | ||
3240 | seg->flags = get_umr_flags(access) | mr->access_mode; | |
8a187ee5 SG |
3241 | seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00); |
3242 | seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL); | |
3243 | seg->start_addr = cpu_to_be64(mr->ibmr.iova); | |
3244 | seg->len = cpu_to_be64(mr->ibmr.length); | |
3245 | seg->xlt_oct_size = cpu_to_be32(ndescs); | |
8a187ee5 SG |
3246 | } |
3247 | ||
dd01e66a | 3248 | static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg) |
e126ba97 EC |
3249 | { |
3250 | memset(seg, 0, sizeof(*seg)); | |
dd01e66a | 3251 | seg->status = MLX5_MKEY_STATUS_FREE; |
e126ba97 EC |
3252 | } |
3253 | ||
3254 | static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr) | |
3255 | { | |
e622f2f4 | 3256 | struct mlx5_umr_wr *umrwr = umr_wr(wr); |
968e78dd | 3257 | |
e126ba97 | 3258 | memset(seg, 0, sizeof(*seg)); |
31616255 | 3259 | if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR) |
968e78dd | 3260 | seg->status = MLX5_MKEY_STATUS_FREE; |
e126ba97 | 3261 | |
968e78dd | 3262 | seg->flags = convert_access(umrwr->access_flags); |
31616255 AK |
3263 | if (umrwr->pd) |
3264 | seg->flags_pd = cpu_to_be32(to_mpd(umrwr->pd)->pdn); | |
3265 | if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_TRANSLATION && | |
3266 | !umrwr->length) | |
3267 | seg->flags_pd |= cpu_to_be32(MLX5_MKEY_LEN64); | |
3268 | ||
3269 | seg->start_addr = cpu_to_be64(umrwr->virt_addr); | |
968e78dd HE |
3270 | seg->len = cpu_to_be64(umrwr->length); |
3271 | seg->log2_page_size = umrwr->page_shift; | |
746b5583 | 3272 | seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 | |
968e78dd | 3273 | mlx5_mkey_variant(umrwr->mkey)); |
e126ba97 EC |
3274 | } |
3275 | ||
8a187ee5 SG |
3276 | static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg, |
3277 | struct mlx5_ib_mr *mr, | |
3278 | struct mlx5_ib_pd *pd) | |
3279 | { | |
3280 | int bcount = mr->desc_size * mr->ndescs; | |
3281 | ||
3282 | dseg->addr = cpu_to_be64(mr->desc_map); | |
3283 | dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64)); | |
3284 | dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey); | |
3285 | } | |
3286 | ||
e126ba97 EC |
3287 | static __be32 send_ieth(struct ib_send_wr *wr) |
3288 | { | |
3289 | switch (wr->opcode) { | |
3290 | case IB_WR_SEND_WITH_IMM: | |
3291 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
3292 | return wr->ex.imm_data; | |
3293 | ||
3294 | case IB_WR_SEND_WITH_INV: | |
3295 | return cpu_to_be32(wr->ex.invalidate_rkey); | |
3296 | ||
3297 | default: | |
3298 | return 0; | |
3299 | } | |
3300 | } | |
3301 | ||
3302 | static u8 calc_sig(void *wqe, int size) | |
3303 | { | |
3304 | u8 *p = wqe; | |
3305 | u8 res = 0; | |
3306 | int i; | |
3307 | ||
3308 | for (i = 0; i < size; i++) | |
3309 | res ^= p[i]; | |
3310 | ||
3311 | return ~res; | |
3312 | } | |
3313 | ||
3314 | static u8 wq_sig(void *wqe) | |
3315 | { | |
3316 | return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4); | |
3317 | } | |
3318 | ||
3319 | static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr, | |
3320 | void *wqe, int *sz) | |
3321 | { | |
3322 | struct mlx5_wqe_inline_seg *seg; | |
3323 | void *qend = qp->sq.qend; | |
3324 | void *addr; | |
3325 | int inl = 0; | |
3326 | int copy; | |
3327 | int len; | |
3328 | int i; | |
3329 | ||
3330 | seg = wqe; | |
3331 | wqe += sizeof(*seg); | |
3332 | for (i = 0; i < wr->num_sge; i++) { | |
3333 | addr = (void *)(unsigned long)(wr->sg_list[i].addr); | |
3334 | len = wr->sg_list[i].length; | |
3335 | inl += len; | |
3336 | ||
3337 | if (unlikely(inl > qp->max_inline_data)) | |
3338 | return -ENOMEM; | |
3339 | ||
3340 | if (unlikely(wqe + len > qend)) { | |
3341 | copy = qend - wqe; | |
3342 | memcpy(wqe, addr, copy); | |
3343 | addr += copy; | |
3344 | len -= copy; | |
3345 | wqe = mlx5_get_send_wqe(qp, 0); | |
3346 | } | |
3347 | memcpy(wqe, addr, len); | |
3348 | wqe += len; | |
3349 | } | |
3350 | ||
3351 | seg->byte_count = cpu_to_be32(inl | MLX5_INLINE_SEG); | |
3352 | ||
3353 | *sz = ALIGN(inl + sizeof(seg->byte_count), 16) / 16; | |
3354 | ||
3355 | return 0; | |
3356 | } | |
3357 | ||
e6631814 SG |
3358 | static u16 prot_field_size(enum ib_signature_type type) |
3359 | { | |
3360 | switch (type) { | |
3361 | case IB_SIG_TYPE_T10_DIF: | |
3362 | return MLX5_DIF_SIZE; | |
3363 | default: | |
3364 | return 0; | |
3365 | } | |
3366 | } | |
3367 | ||
3368 | static u8 bs_selector(int block_size) | |
3369 | { | |
3370 | switch (block_size) { | |
3371 | case 512: return 0x1; | |
3372 | case 520: return 0x2; | |
3373 | case 4096: return 0x3; | |
3374 | case 4160: return 0x4; | |
3375 | case 1073741824: return 0x5; | |
3376 | default: return 0; | |
3377 | } | |
3378 | } | |
3379 | ||
78eda2bb SG |
3380 | static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain, |
3381 | struct mlx5_bsf_inl *inl) | |
e6631814 | 3382 | { |
142537f4 SG |
3383 | /* Valid inline section and allow BSF refresh */ |
3384 | inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID | | |
3385 | MLX5_BSF_REFRESH_DIF); | |
3386 | inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag); | |
3387 | inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag); | |
78eda2bb SG |
3388 | /* repeating block */ |
3389 | inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK; | |
3390 | inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ? | |
3391 | MLX5_DIF_CRC : MLX5_DIF_IPCS; | |
e6631814 | 3392 | |
78eda2bb SG |
3393 | if (domain->sig.dif.ref_remap) |
3394 | inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG; | |
e6631814 | 3395 | |
78eda2bb SG |
3396 | if (domain->sig.dif.app_escape) { |
3397 | if (domain->sig.dif.ref_escape) | |
3398 | inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE; | |
3399 | else | |
3400 | inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE; | |
e6631814 SG |
3401 | } |
3402 | ||
78eda2bb SG |
3403 | inl->dif_app_bitmask_check = |
3404 | cpu_to_be16(domain->sig.dif.apptag_check_mask); | |
e6631814 SG |
3405 | } |
3406 | ||
3407 | static int mlx5_set_bsf(struct ib_mr *sig_mr, | |
3408 | struct ib_sig_attrs *sig_attrs, | |
3409 | struct mlx5_bsf *bsf, u32 data_size) | |
3410 | { | |
3411 | struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig; | |
3412 | struct mlx5_bsf_basic *basic = &bsf->basic; | |
3413 | struct ib_sig_domain *mem = &sig_attrs->mem; | |
3414 | struct ib_sig_domain *wire = &sig_attrs->wire; | |
e6631814 | 3415 | |
c7f44fbd | 3416 | memset(bsf, 0, sizeof(*bsf)); |
78eda2bb SG |
3417 | |
3418 | /* Basic + Extended + Inline */ | |
3419 | basic->bsf_size_sbs = 1 << 7; | |
3420 | /* Input domain check byte mask */ | |
3421 | basic->check_byte_mask = sig_attrs->check_mask; | |
3422 | basic->raw_data_size = cpu_to_be32(data_size); | |
3423 | ||
3424 | /* Memory domain */ | |
e6631814 | 3425 | switch (sig_attrs->mem.sig_type) { |
78eda2bb SG |
3426 | case IB_SIG_TYPE_NONE: |
3427 | break; | |
e6631814 | 3428 | case IB_SIG_TYPE_T10_DIF: |
78eda2bb SG |
3429 | basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval); |
3430 | basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx); | |
3431 | mlx5_fill_inl_bsf(mem, &bsf->m_inl); | |
3432 | break; | |
3433 | default: | |
3434 | return -EINVAL; | |
3435 | } | |
e6631814 | 3436 | |
78eda2bb SG |
3437 | /* Wire domain */ |
3438 | switch (sig_attrs->wire.sig_type) { | |
3439 | case IB_SIG_TYPE_NONE: | |
3440 | break; | |
3441 | case IB_SIG_TYPE_T10_DIF: | |
e6631814 | 3442 | if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval && |
78eda2bb | 3443 | mem->sig_type == wire->sig_type) { |
e6631814 | 3444 | /* Same block structure */ |
142537f4 | 3445 | basic->bsf_size_sbs |= 1 << 4; |
e6631814 | 3446 | if (mem->sig.dif.bg_type == wire->sig.dif.bg_type) |
fd22f78c | 3447 | basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK; |
c7f44fbd | 3448 | if (mem->sig.dif.app_tag == wire->sig.dif.app_tag) |
fd22f78c | 3449 | basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK; |
c7f44fbd | 3450 | if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag) |
fd22f78c | 3451 | basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK; |
e6631814 SG |
3452 | } else |
3453 | basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval); | |
3454 | ||
142537f4 | 3455 | basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx); |
78eda2bb | 3456 | mlx5_fill_inl_bsf(wire, &bsf->w_inl); |
e6631814 | 3457 | break; |
e6631814 SG |
3458 | default: |
3459 | return -EINVAL; | |
3460 | } | |
3461 | ||
3462 | return 0; | |
3463 | } | |
3464 | ||
e622f2f4 CH |
3465 | static int set_sig_data_segment(struct ib_sig_handover_wr *wr, |
3466 | struct mlx5_ib_qp *qp, void **seg, int *size) | |
e6631814 | 3467 | { |
e622f2f4 CH |
3468 | struct ib_sig_attrs *sig_attrs = wr->sig_attrs; |
3469 | struct ib_mr *sig_mr = wr->sig_mr; | |
e6631814 | 3470 | struct mlx5_bsf *bsf; |
e622f2f4 CH |
3471 | u32 data_len = wr->wr.sg_list->length; |
3472 | u32 data_key = wr->wr.sg_list->lkey; | |
3473 | u64 data_va = wr->wr.sg_list->addr; | |
e6631814 SG |
3474 | int ret; |
3475 | int wqe_size; | |
3476 | ||
e622f2f4 CH |
3477 | if (!wr->prot || |
3478 | (data_key == wr->prot->lkey && | |
3479 | data_va == wr->prot->addr && | |
3480 | data_len == wr->prot->length)) { | |
e6631814 SG |
3481 | /** |
3482 | * Source domain doesn't contain signature information | |
5c273b16 | 3483 | * or data and protection are interleaved in memory. |
e6631814 SG |
3484 | * So need construct: |
3485 | * ------------------ | |
3486 | * | data_klm | | |
3487 | * ------------------ | |
3488 | * | BSF | | |
3489 | * ------------------ | |
3490 | **/ | |
3491 | struct mlx5_klm *data_klm = *seg; | |
3492 | ||
3493 | data_klm->bcount = cpu_to_be32(data_len); | |
3494 | data_klm->key = cpu_to_be32(data_key); | |
3495 | data_klm->va = cpu_to_be64(data_va); | |
3496 | wqe_size = ALIGN(sizeof(*data_klm), 64); | |
3497 | } else { | |
3498 | /** | |
3499 | * Source domain contains signature information | |
3500 | * So need construct a strided block format: | |
3501 | * --------------------------- | |
3502 | * | stride_block_ctrl | | |
3503 | * --------------------------- | |
3504 | * | data_klm | | |
3505 | * --------------------------- | |
3506 | * | prot_klm | | |
3507 | * --------------------------- | |
3508 | * | BSF | | |
3509 | * --------------------------- | |
3510 | **/ | |
3511 | struct mlx5_stride_block_ctrl_seg *sblock_ctrl; | |
3512 | struct mlx5_stride_block_entry *data_sentry; | |
3513 | struct mlx5_stride_block_entry *prot_sentry; | |
e622f2f4 CH |
3514 | u32 prot_key = wr->prot->lkey; |
3515 | u64 prot_va = wr->prot->addr; | |
e6631814 SG |
3516 | u16 block_size = sig_attrs->mem.sig.dif.pi_interval; |
3517 | int prot_size; | |
3518 | ||
3519 | sblock_ctrl = *seg; | |
3520 | data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl); | |
3521 | prot_sentry = (void *)data_sentry + sizeof(*data_sentry); | |
3522 | ||
3523 | prot_size = prot_field_size(sig_attrs->mem.sig_type); | |
3524 | if (!prot_size) { | |
3525 | pr_err("Bad block size given: %u\n", block_size); | |
3526 | return -EINVAL; | |
3527 | } | |
3528 | sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size + | |
3529 | prot_size); | |
3530 | sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP); | |
3531 | sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size); | |
3532 | sblock_ctrl->num_entries = cpu_to_be16(2); | |
3533 | ||
3534 | data_sentry->bcount = cpu_to_be16(block_size); | |
3535 | data_sentry->key = cpu_to_be32(data_key); | |
3536 | data_sentry->va = cpu_to_be64(data_va); | |
5c273b16 SG |
3537 | data_sentry->stride = cpu_to_be16(block_size); |
3538 | ||
e6631814 SG |
3539 | prot_sentry->bcount = cpu_to_be16(prot_size); |
3540 | prot_sentry->key = cpu_to_be32(prot_key); | |
5c273b16 SG |
3541 | prot_sentry->va = cpu_to_be64(prot_va); |
3542 | prot_sentry->stride = cpu_to_be16(prot_size); | |
e6631814 | 3543 | |
e6631814 SG |
3544 | wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) + |
3545 | sizeof(*prot_sentry), 64); | |
3546 | } | |
3547 | ||
3548 | *seg += wqe_size; | |
3549 | *size += wqe_size / 16; | |
3550 | if (unlikely((*seg == qp->sq.qend))) | |
3551 | *seg = mlx5_get_send_wqe(qp, 0); | |
3552 | ||
3553 | bsf = *seg; | |
3554 | ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len); | |
3555 | if (ret) | |
3556 | return -EINVAL; | |
3557 | ||
3558 | *seg += sizeof(*bsf); | |
3559 | *size += sizeof(*bsf) / 16; | |
3560 | if (unlikely((*seg == qp->sq.qend))) | |
3561 | *seg = mlx5_get_send_wqe(qp, 0); | |
3562 | ||
3563 | return 0; | |
3564 | } | |
3565 | ||
3566 | static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg, | |
31616255 | 3567 | struct ib_sig_handover_wr *wr, u32 size, |
e6631814 SG |
3568 | u32 length, u32 pdn) |
3569 | { | |
e622f2f4 | 3570 | struct ib_mr *sig_mr = wr->sig_mr; |
e6631814 | 3571 | u32 sig_key = sig_mr->rkey; |
d5436ba0 | 3572 | u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1; |
e6631814 SG |
3573 | |
3574 | memset(seg, 0, sizeof(*seg)); | |
3575 | ||
e622f2f4 | 3576 | seg->flags = get_umr_flags(wr->access_flags) | |
ec22eb53 | 3577 | MLX5_MKC_ACCESS_MODE_KLMS; |
e6631814 | 3578 | seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00); |
d5436ba0 | 3579 | seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 | |
e6631814 SG |
3580 | MLX5_MKEY_BSF_EN | pdn); |
3581 | seg->len = cpu_to_be64(length); | |
31616255 | 3582 | seg->xlt_oct_size = cpu_to_be32(get_xlt_octo(size)); |
e6631814 SG |
3583 | seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE); |
3584 | } | |
3585 | ||
3586 | static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr, | |
31616255 | 3587 | u32 size) |
e6631814 SG |
3588 | { |
3589 | memset(umr, 0, sizeof(*umr)); | |
3590 | ||
3591 | umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE; | |
31616255 | 3592 | umr->xlt_octowords = cpu_to_be16(get_xlt_octo(size)); |
e6631814 SG |
3593 | umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE); |
3594 | umr->mkey_mask = sig_mkey_mask(); | |
3595 | } | |
3596 | ||
3597 | ||
e622f2f4 | 3598 | static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp, |
e6631814 SG |
3599 | void **seg, int *size) |
3600 | { | |
e622f2f4 CH |
3601 | struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr); |
3602 | struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr); | |
e6631814 | 3603 | u32 pdn = get_pd(qp)->pdn; |
31616255 | 3604 | u32 xlt_size; |
e6631814 SG |
3605 | int region_len, ret; |
3606 | ||
e622f2f4 CH |
3607 | if (unlikely(wr->wr.num_sge != 1) || |
3608 | unlikely(wr->access_flags & IB_ACCESS_REMOTE_ATOMIC) || | |
d5436ba0 SG |
3609 | unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) || |
3610 | unlikely(!sig_mr->sig->sig_status_checked)) | |
e6631814 SG |
3611 | return -EINVAL; |
3612 | ||
3613 | /* length of the protected region, data + protection */ | |
e622f2f4 CH |
3614 | region_len = wr->wr.sg_list->length; |
3615 | if (wr->prot && | |
3616 | (wr->prot->lkey != wr->wr.sg_list->lkey || | |
3617 | wr->prot->addr != wr->wr.sg_list->addr || | |
3618 | wr->prot->length != wr->wr.sg_list->length)) | |
3619 | region_len += wr->prot->length; | |
e6631814 SG |
3620 | |
3621 | /** | |
3622 | * KLM octoword size - if protection was provided | |
3623 | * then we use strided block format (3 octowords), | |
3624 | * else we use single KLM (1 octoword) | |
3625 | **/ | |
31616255 | 3626 | xlt_size = wr->prot ? 0x30 : sizeof(struct mlx5_klm); |
e6631814 | 3627 | |
31616255 | 3628 | set_sig_umr_segment(*seg, xlt_size); |
e6631814 SG |
3629 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
3630 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3631 | if (unlikely((*seg == qp->sq.qend))) | |
3632 | *seg = mlx5_get_send_wqe(qp, 0); | |
3633 | ||
31616255 | 3634 | set_sig_mkey_segment(*seg, wr, xlt_size, region_len, pdn); |
e6631814 SG |
3635 | *seg += sizeof(struct mlx5_mkey_seg); |
3636 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3637 | if (unlikely((*seg == qp->sq.qend))) | |
3638 | *seg = mlx5_get_send_wqe(qp, 0); | |
3639 | ||
3640 | ret = set_sig_data_segment(wr, qp, seg, size); | |
3641 | if (ret) | |
3642 | return ret; | |
3643 | ||
d5436ba0 | 3644 | sig_mr->sig->sig_status_checked = false; |
e6631814 SG |
3645 | return 0; |
3646 | } | |
3647 | ||
3648 | static int set_psv_wr(struct ib_sig_domain *domain, | |
3649 | u32 psv_idx, void **seg, int *size) | |
3650 | { | |
3651 | struct mlx5_seg_set_psv *psv_seg = *seg; | |
3652 | ||
3653 | memset(psv_seg, 0, sizeof(*psv_seg)); | |
3654 | psv_seg->psv_num = cpu_to_be32(psv_idx); | |
3655 | switch (domain->sig_type) { | |
78eda2bb SG |
3656 | case IB_SIG_TYPE_NONE: |
3657 | break; | |
e6631814 SG |
3658 | case IB_SIG_TYPE_T10_DIF: |
3659 | psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 | | |
3660 | domain->sig.dif.app_tag); | |
3661 | psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag); | |
e6631814 | 3662 | break; |
e6631814 | 3663 | default: |
12bbf1ea LR |
3664 | pr_err("Bad signature type (%d) is given.\n", |
3665 | domain->sig_type); | |
3666 | return -EINVAL; | |
e6631814 SG |
3667 | } |
3668 | ||
78eda2bb SG |
3669 | *seg += sizeof(*psv_seg); |
3670 | *size += sizeof(*psv_seg) / 16; | |
3671 | ||
e6631814 SG |
3672 | return 0; |
3673 | } | |
3674 | ||
8a187ee5 SG |
3675 | static int set_reg_wr(struct mlx5_ib_qp *qp, |
3676 | struct ib_reg_wr *wr, | |
3677 | void **seg, int *size) | |
3678 | { | |
3679 | struct mlx5_ib_mr *mr = to_mmr(wr->mr); | |
3680 | struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd); | |
3681 | ||
3682 | if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) { | |
3683 | mlx5_ib_warn(to_mdev(qp->ibqp.device), | |
3684 | "Invalid IB_SEND_INLINE send flag\n"); | |
3685 | return -EINVAL; | |
3686 | } | |
3687 | ||
3688 | set_reg_umr_seg(*seg, mr); | |
3689 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); | |
3690 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3691 | if (unlikely((*seg == qp->sq.qend))) | |
3692 | *seg = mlx5_get_send_wqe(qp, 0); | |
3693 | ||
3694 | set_reg_mkey_seg(*seg, mr, wr->key, wr->access); | |
3695 | *seg += sizeof(struct mlx5_mkey_seg); | |
3696 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3697 | if (unlikely((*seg == qp->sq.qend))) | |
3698 | *seg = mlx5_get_send_wqe(qp, 0); | |
3699 | ||
3700 | set_reg_data_seg(*seg, mr, pd); | |
3701 | *seg += sizeof(struct mlx5_wqe_data_seg); | |
3702 | *size += (sizeof(struct mlx5_wqe_data_seg) / 16); | |
3703 | ||
3704 | return 0; | |
3705 | } | |
3706 | ||
dd01e66a | 3707 | static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size) |
e126ba97 | 3708 | { |
dd01e66a | 3709 | set_linv_umr_seg(*seg); |
e126ba97 EC |
3710 | *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
3711 | *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
3712 | if (unlikely((*seg == qp->sq.qend))) | |
3713 | *seg = mlx5_get_send_wqe(qp, 0); | |
dd01e66a | 3714 | set_linv_mkey_seg(*seg); |
e126ba97 EC |
3715 | *seg += sizeof(struct mlx5_mkey_seg); |
3716 | *size += sizeof(struct mlx5_mkey_seg) / 16; | |
3717 | if (unlikely((*seg == qp->sq.qend))) | |
3718 | *seg = mlx5_get_send_wqe(qp, 0); | |
e126ba97 EC |
3719 | } |
3720 | ||
3721 | static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) | |
3722 | { | |
3723 | __be32 *p = NULL; | |
3724 | int tidx = idx; | |
3725 | int i, j; | |
3726 | ||
3727 | pr_debug("dump wqe at %p\n", mlx5_get_send_wqe(qp, tidx)); | |
3728 | for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) { | |
3729 | if ((i & 0xf) == 0) { | |
3730 | void *buf = mlx5_get_send_wqe(qp, tidx); | |
3731 | tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1); | |
3732 | p = buf; | |
3733 | j = 0; | |
3734 | } | |
3735 | pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]), | |
3736 | be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]), | |
3737 | be32_to_cpu(p[j + 3])); | |
3738 | } | |
3739 | } | |
3740 | ||
6e5eadac SG |
3741 | static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, |
3742 | struct mlx5_wqe_ctrl_seg **ctrl, | |
6a4f139a | 3743 | struct ib_send_wr *wr, unsigned *idx, |
6e5eadac SG |
3744 | int *size, int nreq) |
3745 | { | |
b2a232d2 LR |
3746 | if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) |
3747 | return -ENOMEM; | |
6e5eadac SG |
3748 | |
3749 | *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); | |
3750 | *seg = mlx5_get_send_wqe(qp, *idx); | |
3751 | *ctrl = *seg; | |
3752 | *(uint32_t *)(*seg + 8) = 0; | |
3753 | (*ctrl)->imm = send_ieth(wr); | |
3754 | (*ctrl)->fm_ce_se = qp->sq_signal_bits | | |
3755 | (wr->send_flags & IB_SEND_SIGNALED ? | |
3756 | MLX5_WQE_CTRL_CQ_UPDATE : 0) | | |
3757 | (wr->send_flags & IB_SEND_SOLICITED ? | |
3758 | MLX5_WQE_CTRL_SOLICITED : 0); | |
3759 | ||
3760 | *seg += sizeof(**ctrl); | |
3761 | *size = sizeof(**ctrl) / 16; | |
3762 | ||
b2a232d2 | 3763 | return 0; |
6e5eadac SG |
3764 | } |
3765 | ||
3766 | static void finish_wqe(struct mlx5_ib_qp *qp, | |
3767 | struct mlx5_wqe_ctrl_seg *ctrl, | |
3768 | u8 size, unsigned idx, u64 wr_id, | |
6e8484c5 | 3769 | int nreq, u8 fence, u32 mlx5_opcode) |
6e5eadac SG |
3770 | { |
3771 | u8 opmod = 0; | |
3772 | ||
3773 | ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) | | |
3774 | mlx5_opcode | ((u32)opmod << 24)); | |
19098df2 | 3775 | ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); |
6e5eadac | 3776 | ctrl->fm_ce_se |= fence; |
6e5eadac SG |
3777 | if (unlikely(qp->wq_sig)) |
3778 | ctrl->signature = wq_sig(ctrl); | |
3779 | ||
3780 | qp->sq.wrid[idx] = wr_id; | |
3781 | qp->sq.w_list[idx].opcode = mlx5_opcode; | |
3782 | qp->sq.wqe_head[idx] = qp->sq.head + nreq; | |
3783 | qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB); | |
3784 | qp->sq.w_list[idx].next = qp->sq.cur_post; | |
3785 | } | |
3786 | ||
3787 | ||
e126ba97 EC |
3788 | int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, |
3789 | struct ib_send_wr **bad_wr) | |
3790 | { | |
3791 | struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */ | |
3792 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
89ea94a7 | 3793 | struct mlx5_core_dev *mdev = dev->mdev; |
d16e91da | 3794 | struct mlx5_ib_qp *qp; |
e6631814 | 3795 | struct mlx5_ib_mr *mr; |
e126ba97 EC |
3796 | struct mlx5_wqe_data_seg *dpseg; |
3797 | struct mlx5_wqe_xrc_seg *xrc; | |
d16e91da | 3798 | struct mlx5_bf *bf; |
e126ba97 | 3799 | int uninitialized_var(size); |
d16e91da | 3800 | void *qend; |
e126ba97 | 3801 | unsigned long flags; |
e126ba97 EC |
3802 | unsigned idx; |
3803 | int err = 0; | |
3804 | int inl = 0; | |
3805 | int num_sge; | |
3806 | void *seg; | |
3807 | int nreq; | |
3808 | int i; | |
3809 | u8 next_fence = 0; | |
e126ba97 EC |
3810 | u8 fence; |
3811 | ||
d16e91da HE |
3812 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
3813 | return mlx5_ib_gsi_post_send(ibqp, wr, bad_wr); | |
3814 | ||
3815 | qp = to_mqp(ibqp); | |
5fe9dec0 | 3816 | bf = &qp->bf; |
d16e91da HE |
3817 | qend = qp->sq.qend; |
3818 | ||
e126ba97 EC |
3819 | spin_lock_irqsave(&qp->sq.lock, flags); |
3820 | ||
89ea94a7 MG |
3821 | if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { |
3822 | err = -EIO; | |
3823 | *bad_wr = wr; | |
3824 | nreq = 0; | |
3825 | goto out; | |
3826 | } | |
3827 | ||
e126ba97 | 3828 | for (nreq = 0; wr; nreq++, wr = wr->next) { |
a8f731eb | 3829 | if (unlikely(wr->opcode >= ARRAY_SIZE(mlx5_ib_opcode))) { |
e126ba97 EC |
3830 | mlx5_ib_warn(dev, "\n"); |
3831 | err = -EINVAL; | |
3832 | *bad_wr = wr; | |
3833 | goto out; | |
3834 | } | |
3835 | ||
6e5eadac SG |
3836 | num_sge = wr->num_sge; |
3837 | if (unlikely(num_sge > qp->sq.max_gs)) { | |
e126ba97 | 3838 | mlx5_ib_warn(dev, "\n"); |
24be409b | 3839 | err = -EINVAL; |
e126ba97 EC |
3840 | *bad_wr = wr; |
3841 | goto out; | |
3842 | } | |
3843 | ||
6e5eadac SG |
3844 | err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); |
3845 | if (err) { | |
e126ba97 EC |
3846 | mlx5_ib_warn(dev, "\n"); |
3847 | err = -ENOMEM; | |
3848 | *bad_wr = wr; | |
3849 | goto out; | |
3850 | } | |
3851 | ||
6e8484c5 MG |
3852 | if (wr->opcode == IB_WR_LOCAL_INV || |
3853 | wr->opcode == IB_WR_REG_MR) { | |
3854 | fence = dev->umr_fence; | |
3855 | next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; | |
3856 | } else if (wr->send_flags & IB_SEND_FENCE) { | |
3857 | if (qp->next_fence) | |
3858 | fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; | |
3859 | else | |
3860 | fence = MLX5_FENCE_MODE_FENCE; | |
3861 | } else { | |
3862 | fence = qp->next_fence; | |
3863 | } | |
3864 | ||
e126ba97 EC |
3865 | switch (ibqp->qp_type) { |
3866 | case IB_QPT_XRC_INI: | |
3867 | xrc = seg; | |
e126ba97 EC |
3868 | seg += sizeof(*xrc); |
3869 | size += sizeof(*xrc) / 16; | |
3870 | /* fall through */ | |
3871 | case IB_QPT_RC: | |
3872 | switch (wr->opcode) { | |
3873 | case IB_WR_RDMA_READ: | |
3874 | case IB_WR_RDMA_WRITE: | |
3875 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
e622f2f4 CH |
3876 | set_raddr_seg(seg, rdma_wr(wr)->remote_addr, |
3877 | rdma_wr(wr)->rkey); | |
f241e749 | 3878 | seg += sizeof(struct mlx5_wqe_raddr_seg); |
e126ba97 EC |
3879 | size += sizeof(struct mlx5_wqe_raddr_seg) / 16; |
3880 | break; | |
3881 | ||
3882 | case IB_WR_ATOMIC_CMP_AND_SWP: | |
3883 | case IB_WR_ATOMIC_FETCH_AND_ADD: | |
e126ba97 | 3884 | case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: |
81bea28f EC |
3885 | mlx5_ib_warn(dev, "Atomic operations are not supported yet\n"); |
3886 | err = -ENOSYS; | |
3887 | *bad_wr = wr; | |
3888 | goto out; | |
e126ba97 EC |
3889 | |
3890 | case IB_WR_LOCAL_INV: | |
e126ba97 EC |
3891 | qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; |
3892 | ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); | |
dd01e66a | 3893 | set_linv_wr(qp, &seg, &size); |
e126ba97 EC |
3894 | num_sge = 0; |
3895 | break; | |
3896 | ||
8a187ee5 | 3897 | case IB_WR_REG_MR: |
8a187ee5 SG |
3898 | qp->sq.wr_data[idx] = IB_WR_REG_MR; |
3899 | ctrl->imm = cpu_to_be32(reg_wr(wr)->key); | |
3900 | err = set_reg_wr(qp, reg_wr(wr), &seg, &size); | |
3901 | if (err) { | |
3902 | *bad_wr = wr; | |
3903 | goto out; | |
3904 | } | |
3905 | num_sge = 0; | |
3906 | break; | |
3907 | ||
e6631814 SG |
3908 | case IB_WR_REG_SIG_MR: |
3909 | qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR; | |
e622f2f4 | 3910 | mr = to_mmr(sig_handover_wr(wr)->sig_mr); |
e6631814 SG |
3911 | |
3912 | ctrl->imm = cpu_to_be32(mr->ibmr.rkey); | |
3913 | err = set_sig_umr_wr(wr, qp, &seg, &size); | |
3914 | if (err) { | |
3915 | mlx5_ib_warn(dev, "\n"); | |
3916 | *bad_wr = wr; | |
3917 | goto out; | |
3918 | } | |
3919 | ||
6e8484c5 MG |
3920 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, |
3921 | fence, MLX5_OPCODE_UMR); | |
e6631814 SG |
3922 | /* |
3923 | * SET_PSV WQEs are not signaled and solicited | |
3924 | * on error | |
3925 | */ | |
3926 | wr->send_flags &= ~IB_SEND_SIGNALED; | |
3927 | wr->send_flags |= IB_SEND_SOLICITED; | |
3928 | err = begin_wqe(qp, &seg, &ctrl, wr, | |
3929 | &idx, &size, nreq); | |
3930 | if (err) { | |
3931 | mlx5_ib_warn(dev, "\n"); | |
3932 | err = -ENOMEM; | |
3933 | *bad_wr = wr; | |
3934 | goto out; | |
3935 | } | |
3936 | ||
e622f2f4 | 3937 | err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem, |
e6631814 SG |
3938 | mr->sig->psv_memory.psv_idx, &seg, |
3939 | &size); | |
3940 | if (err) { | |
3941 | mlx5_ib_warn(dev, "\n"); | |
3942 | *bad_wr = wr; | |
3943 | goto out; | |
3944 | } | |
3945 | ||
6e8484c5 MG |
3946 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, |
3947 | fence, MLX5_OPCODE_SET_PSV); | |
e6631814 SG |
3948 | err = begin_wqe(qp, &seg, &ctrl, wr, |
3949 | &idx, &size, nreq); | |
3950 | if (err) { | |
3951 | mlx5_ib_warn(dev, "\n"); | |
3952 | err = -ENOMEM; | |
3953 | *bad_wr = wr; | |
3954 | goto out; | |
3955 | } | |
3956 | ||
e622f2f4 | 3957 | err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, |
e6631814 SG |
3958 | mr->sig->psv_wire.psv_idx, &seg, |
3959 | &size); | |
3960 | if (err) { | |
3961 | mlx5_ib_warn(dev, "\n"); | |
3962 | *bad_wr = wr; | |
3963 | goto out; | |
3964 | } | |
3965 | ||
6e8484c5 MG |
3966 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, |
3967 | fence, MLX5_OPCODE_SET_PSV); | |
3968 | qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; | |
e6631814 SG |
3969 | num_sge = 0; |
3970 | goto skip_psv; | |
3971 | ||
e126ba97 EC |
3972 | default: |
3973 | break; | |
3974 | } | |
3975 | break; | |
3976 | ||
3977 | case IB_QPT_UC: | |
3978 | switch (wr->opcode) { | |
3979 | case IB_WR_RDMA_WRITE: | |
3980 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
e622f2f4 CH |
3981 | set_raddr_seg(seg, rdma_wr(wr)->remote_addr, |
3982 | rdma_wr(wr)->rkey); | |
e126ba97 EC |
3983 | seg += sizeof(struct mlx5_wqe_raddr_seg); |
3984 | size += sizeof(struct mlx5_wqe_raddr_seg) / 16; | |
3985 | break; | |
3986 | ||
3987 | default: | |
3988 | break; | |
3989 | } | |
3990 | break; | |
3991 | ||
e126ba97 | 3992 | case IB_QPT_SMI: |
1e0e50b6 MG |
3993 | if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) { |
3994 | mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n"); | |
3995 | err = -EPERM; | |
3996 | *bad_wr = wr; | |
3997 | goto out; | |
3998 | } | |
d16e91da | 3999 | case MLX5_IB_QPT_HW_GSI: |
e126ba97 | 4000 | set_datagram_seg(seg, wr); |
f241e749 | 4001 | seg += sizeof(struct mlx5_wqe_datagram_seg); |
e126ba97 EC |
4002 | size += sizeof(struct mlx5_wqe_datagram_seg) / 16; |
4003 | if (unlikely((seg == qend))) | |
4004 | seg = mlx5_get_send_wqe(qp, 0); | |
4005 | break; | |
f0313965 ES |
4006 | case IB_QPT_UD: |
4007 | set_datagram_seg(seg, wr); | |
4008 | seg += sizeof(struct mlx5_wqe_datagram_seg); | |
4009 | size += sizeof(struct mlx5_wqe_datagram_seg) / 16; | |
4010 | ||
4011 | if (unlikely((seg == qend))) | |
4012 | seg = mlx5_get_send_wqe(qp, 0); | |
4013 | ||
4014 | /* handle qp that supports ud offload */ | |
4015 | if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) { | |
4016 | struct mlx5_wqe_eth_pad *pad; | |
e126ba97 | 4017 | |
f0313965 ES |
4018 | pad = seg; |
4019 | memset(pad, 0, sizeof(struct mlx5_wqe_eth_pad)); | |
4020 | seg += sizeof(struct mlx5_wqe_eth_pad); | |
4021 | size += sizeof(struct mlx5_wqe_eth_pad) / 16; | |
4022 | ||
4023 | seg = set_eth_seg(seg, wr, qend, qp, &size); | |
4024 | ||
4025 | if (unlikely((seg == qend))) | |
4026 | seg = mlx5_get_send_wqe(qp, 0); | |
4027 | } | |
4028 | break; | |
e126ba97 EC |
4029 | case MLX5_IB_QPT_REG_UMR: |
4030 | if (wr->opcode != MLX5_IB_WR_UMR) { | |
4031 | err = -EINVAL; | |
4032 | mlx5_ib_warn(dev, "bad opcode\n"); | |
4033 | goto out; | |
4034 | } | |
4035 | qp->sq.wr_data[idx] = MLX5_IB_WR_UMR; | |
e622f2f4 | 4036 | ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey); |
578e7264 | 4037 | set_reg_umr_segment(seg, wr, !!(MLX5_CAP_GEN(mdev, atomic))); |
e126ba97 EC |
4038 | seg += sizeof(struct mlx5_wqe_umr_ctrl_seg); |
4039 | size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16; | |
4040 | if (unlikely((seg == qend))) | |
4041 | seg = mlx5_get_send_wqe(qp, 0); | |
4042 | set_reg_mkey_segment(seg, wr); | |
4043 | seg += sizeof(struct mlx5_mkey_seg); | |
4044 | size += sizeof(struct mlx5_mkey_seg) / 16; | |
4045 | if (unlikely((seg == qend))) | |
4046 | seg = mlx5_get_send_wqe(qp, 0); | |
4047 | break; | |
4048 | ||
4049 | default: | |
4050 | break; | |
4051 | } | |
4052 | ||
4053 | if (wr->send_flags & IB_SEND_INLINE && num_sge) { | |
4054 | int uninitialized_var(sz); | |
4055 | ||
4056 | err = set_data_inl_seg(qp, wr, seg, &sz); | |
4057 | if (unlikely(err)) { | |
4058 | mlx5_ib_warn(dev, "\n"); | |
4059 | *bad_wr = wr; | |
4060 | goto out; | |
4061 | } | |
4062 | inl = 1; | |
4063 | size += sz; | |
4064 | } else { | |
4065 | dpseg = seg; | |
4066 | for (i = 0; i < num_sge; i++) { | |
4067 | if (unlikely(dpseg == qend)) { | |
4068 | seg = mlx5_get_send_wqe(qp, 0); | |
4069 | dpseg = seg; | |
4070 | } | |
4071 | if (likely(wr->sg_list[i].length)) { | |
4072 | set_data_ptr_seg(dpseg, wr->sg_list + i); | |
4073 | size += sizeof(struct mlx5_wqe_data_seg) / 16; | |
4074 | dpseg++; | |
4075 | } | |
4076 | } | |
4077 | } | |
4078 | ||
6e8484c5 MG |
4079 | qp->next_fence = next_fence; |
4080 | finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, | |
6e5eadac | 4081 | mlx5_ib_opcode[wr->opcode]); |
e6631814 | 4082 | skip_psv: |
e126ba97 EC |
4083 | if (0) |
4084 | dump_wqe(qp, idx, size); | |
4085 | } | |
4086 | ||
4087 | out: | |
4088 | if (likely(nreq)) { | |
4089 | qp->sq.head += nreq; | |
4090 | ||
4091 | /* Make sure that descriptors are written before | |
4092 | * updating doorbell record and ringing the doorbell | |
4093 | */ | |
4094 | wmb(); | |
4095 | ||
4096 | qp->db.db[MLX5_SND_DBR] = cpu_to_be32(qp->sq.cur_post); | |
4097 | ||
ada388f7 EC |
4098 | /* Make sure doorbell record is visible to the HCA before |
4099 | * we hit doorbell */ | |
4100 | wmb(); | |
4101 | ||
5fe9dec0 EC |
4102 | /* currently we support only regular doorbells */ |
4103 | mlx5_write64((__be32 *)ctrl, bf->bfreg->map + bf->offset, NULL); | |
4104 | /* Make sure doorbells don't leak out of SQ spinlock | |
4105 | * and reach the HCA out of order. | |
4106 | */ | |
4107 | mmiowb(); | |
e126ba97 | 4108 | bf->offset ^= bf->buf_size; |
e126ba97 EC |
4109 | } |
4110 | ||
4111 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
4112 | ||
4113 | return err; | |
4114 | } | |
4115 | ||
4116 | static void set_sig_seg(struct mlx5_rwqe_sig *sig, int size) | |
4117 | { | |
4118 | sig->signature = calc_sig(sig, size); | |
4119 | } | |
4120 | ||
4121 | int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, | |
4122 | struct ib_recv_wr **bad_wr) | |
4123 | { | |
4124 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
4125 | struct mlx5_wqe_data_seg *scat; | |
4126 | struct mlx5_rwqe_sig *sig; | |
89ea94a7 MG |
4127 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
4128 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 EC |
4129 | unsigned long flags; |
4130 | int err = 0; | |
4131 | int nreq; | |
4132 | int ind; | |
4133 | int i; | |
4134 | ||
d16e91da HE |
4135 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
4136 | return mlx5_ib_gsi_post_recv(ibqp, wr, bad_wr); | |
4137 | ||
e126ba97 EC |
4138 | spin_lock_irqsave(&qp->rq.lock, flags); |
4139 | ||
89ea94a7 MG |
4140 | if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { |
4141 | err = -EIO; | |
4142 | *bad_wr = wr; | |
4143 | nreq = 0; | |
4144 | goto out; | |
4145 | } | |
4146 | ||
e126ba97 EC |
4147 | ind = qp->rq.head & (qp->rq.wqe_cnt - 1); |
4148 | ||
4149 | for (nreq = 0; wr; nreq++, wr = wr->next) { | |
4150 | if (mlx5_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { | |
4151 | err = -ENOMEM; | |
4152 | *bad_wr = wr; | |
4153 | goto out; | |
4154 | } | |
4155 | ||
4156 | if (unlikely(wr->num_sge > qp->rq.max_gs)) { | |
4157 | err = -EINVAL; | |
4158 | *bad_wr = wr; | |
4159 | goto out; | |
4160 | } | |
4161 | ||
4162 | scat = get_recv_wqe(qp, ind); | |
4163 | if (qp->wq_sig) | |
4164 | scat++; | |
4165 | ||
4166 | for (i = 0; i < wr->num_sge; i++) | |
4167 | set_data_ptr_seg(scat + i, wr->sg_list + i); | |
4168 | ||
4169 | if (i < qp->rq.max_gs) { | |
4170 | scat[i].byte_count = 0; | |
4171 | scat[i].lkey = cpu_to_be32(MLX5_INVALID_LKEY); | |
4172 | scat[i].addr = 0; | |
4173 | } | |
4174 | ||
4175 | if (qp->wq_sig) { | |
4176 | sig = (struct mlx5_rwqe_sig *)scat; | |
4177 | set_sig_seg(sig, (qp->rq.max_gs + 1) << 2); | |
4178 | } | |
4179 | ||
4180 | qp->rq.wrid[ind] = wr->wr_id; | |
4181 | ||
4182 | ind = (ind + 1) & (qp->rq.wqe_cnt - 1); | |
4183 | } | |
4184 | ||
4185 | out: | |
4186 | if (likely(nreq)) { | |
4187 | qp->rq.head += nreq; | |
4188 | ||
4189 | /* Make sure that descriptors are written before | |
4190 | * doorbell record. | |
4191 | */ | |
4192 | wmb(); | |
4193 | ||
4194 | *qp->db.db = cpu_to_be32(qp->rq.head & 0xffff); | |
4195 | } | |
4196 | ||
4197 | spin_unlock_irqrestore(&qp->rq.lock, flags); | |
4198 | ||
4199 | return err; | |
4200 | } | |
4201 | ||
4202 | static inline enum ib_qp_state to_ib_qp_state(enum mlx5_qp_state mlx5_state) | |
4203 | { | |
4204 | switch (mlx5_state) { | |
4205 | case MLX5_QP_STATE_RST: return IB_QPS_RESET; | |
4206 | case MLX5_QP_STATE_INIT: return IB_QPS_INIT; | |
4207 | case MLX5_QP_STATE_RTR: return IB_QPS_RTR; | |
4208 | case MLX5_QP_STATE_RTS: return IB_QPS_RTS; | |
4209 | case MLX5_QP_STATE_SQ_DRAINING: | |
4210 | case MLX5_QP_STATE_SQD: return IB_QPS_SQD; | |
4211 | case MLX5_QP_STATE_SQER: return IB_QPS_SQE; | |
4212 | case MLX5_QP_STATE_ERR: return IB_QPS_ERR; | |
4213 | default: return -1; | |
4214 | } | |
4215 | } | |
4216 | ||
4217 | static inline enum ib_mig_state to_ib_mig_state(int mlx5_mig_state) | |
4218 | { | |
4219 | switch (mlx5_mig_state) { | |
4220 | case MLX5_QP_PM_ARMED: return IB_MIG_ARMED; | |
4221 | case MLX5_QP_PM_REARM: return IB_MIG_REARM; | |
4222 | case MLX5_QP_PM_MIGRATED: return IB_MIG_MIGRATED; | |
4223 | default: return -1; | |
4224 | } | |
4225 | } | |
4226 | ||
4227 | static int to_ib_qp_access_flags(int mlx5_flags) | |
4228 | { | |
4229 | int ib_flags = 0; | |
4230 | ||
4231 | if (mlx5_flags & MLX5_QP_BIT_RRE) | |
4232 | ib_flags |= IB_ACCESS_REMOTE_READ; | |
4233 | if (mlx5_flags & MLX5_QP_BIT_RWE) | |
4234 | ib_flags |= IB_ACCESS_REMOTE_WRITE; | |
4235 | if (mlx5_flags & MLX5_QP_BIT_RAE) | |
4236 | ib_flags |= IB_ACCESS_REMOTE_ATOMIC; | |
4237 | ||
4238 | return ib_flags; | |
4239 | } | |
4240 | ||
38349389 | 4241 | static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, |
d8966fcd | 4242 | struct rdma_ah_attr *ah_attr, |
38349389 | 4243 | struct mlx5_qp_path *path) |
e126ba97 | 4244 | { |
9603b61d | 4245 | struct mlx5_core_dev *dev = ibdev->mdev; |
e126ba97 | 4246 | |
d8966fcd | 4247 | memset(ah_attr, 0, sizeof(*ah_attr)); |
e126ba97 | 4248 | |
44c58487 | 4249 | ah_attr->type = rdma_ah_find_type(&ibdev->ib_dev, path->port); |
d8966fcd DC |
4250 | rdma_ah_set_port_num(ah_attr, path->port); |
4251 | if (rdma_ah_get_port_num(ah_attr) == 0 || | |
4252 | rdma_ah_get_port_num(ah_attr) > MLX5_CAP_GEN(dev, num_ports)) | |
e126ba97 EC |
4253 | return; |
4254 | ||
d8966fcd DC |
4255 | rdma_ah_set_port_num(ah_attr, path->port); |
4256 | rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); | |
4257 | ||
4258 | rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); | |
4259 | rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); | |
4260 | rdma_ah_set_static_rate(ah_attr, | |
4261 | path->static_rate ? path->static_rate - 5 : 0); | |
4262 | if (path->grh_mlid & (1 << 7)) { | |
4263 | u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); | |
4264 | ||
4265 | rdma_ah_set_grh(ah_attr, NULL, | |
4266 | tc_fl & 0xfffff, | |
4267 | path->mgid_index, | |
4268 | path->hop_limit, | |
4269 | (tc_fl >> 20) & 0xff); | |
4270 | rdma_ah_set_dgid_raw(ah_attr, path->rgid); | |
e126ba97 EC |
4271 | } |
4272 | } | |
4273 | ||
6d2f89df | 4274 | static int query_raw_packet_qp_sq_state(struct mlx5_ib_dev *dev, |
4275 | struct mlx5_ib_sq *sq, | |
4276 | u8 *sq_state) | |
4277 | { | |
4278 | void *out; | |
4279 | void *sqc; | |
4280 | int inlen; | |
4281 | int err; | |
4282 | ||
4283 | inlen = MLX5_ST_SZ_BYTES(query_sq_out); | |
1b9a07ee | 4284 | out = kvzalloc(inlen, GFP_KERNEL); |
6d2f89df | 4285 | if (!out) |
4286 | return -ENOMEM; | |
4287 | ||
4288 | err = mlx5_core_query_sq(dev->mdev, sq->base.mqp.qpn, out); | |
4289 | if (err) | |
4290 | goto out; | |
4291 | ||
4292 | sqc = MLX5_ADDR_OF(query_sq_out, out, sq_context); | |
4293 | *sq_state = MLX5_GET(sqc, sqc, state); | |
4294 | sq->state = *sq_state; | |
4295 | ||
4296 | out: | |
4297 | kvfree(out); | |
4298 | return err; | |
4299 | } | |
4300 | ||
4301 | static int query_raw_packet_qp_rq_state(struct mlx5_ib_dev *dev, | |
4302 | struct mlx5_ib_rq *rq, | |
4303 | u8 *rq_state) | |
4304 | { | |
4305 | void *out; | |
4306 | void *rqc; | |
4307 | int inlen; | |
4308 | int err; | |
4309 | ||
4310 | inlen = MLX5_ST_SZ_BYTES(query_rq_out); | |
1b9a07ee | 4311 | out = kvzalloc(inlen, GFP_KERNEL); |
6d2f89df | 4312 | if (!out) |
4313 | return -ENOMEM; | |
4314 | ||
4315 | err = mlx5_core_query_rq(dev->mdev, rq->base.mqp.qpn, out); | |
4316 | if (err) | |
4317 | goto out; | |
4318 | ||
4319 | rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); | |
4320 | *rq_state = MLX5_GET(rqc, rqc, state); | |
4321 | rq->state = *rq_state; | |
4322 | ||
4323 | out: | |
4324 | kvfree(out); | |
4325 | return err; | |
4326 | } | |
4327 | ||
4328 | static int sqrq_state_to_qp_state(u8 sq_state, u8 rq_state, | |
4329 | struct mlx5_ib_qp *qp, u8 *qp_state) | |
4330 | { | |
4331 | static const u8 sqrq_trans[MLX5_RQ_NUM_STATE][MLX5_SQ_NUM_STATE] = { | |
4332 | [MLX5_RQC_STATE_RST] = { | |
4333 | [MLX5_SQC_STATE_RST] = IB_QPS_RESET, | |
4334 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, | |
4335 | [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE_BAD, | |
4336 | [MLX5_SQ_STATE_NA] = IB_QPS_RESET, | |
4337 | }, | |
4338 | [MLX5_RQC_STATE_RDY] = { | |
4339 | [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, | |
4340 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, | |
4341 | [MLX5_SQC_STATE_ERR] = IB_QPS_SQE, | |
4342 | [MLX5_SQ_STATE_NA] = MLX5_QP_STATE, | |
4343 | }, | |
4344 | [MLX5_RQC_STATE_ERR] = { | |
4345 | [MLX5_SQC_STATE_RST] = MLX5_QP_STATE_BAD, | |
4346 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE_BAD, | |
4347 | [MLX5_SQC_STATE_ERR] = IB_QPS_ERR, | |
4348 | [MLX5_SQ_STATE_NA] = IB_QPS_ERR, | |
4349 | }, | |
4350 | [MLX5_RQ_STATE_NA] = { | |
4351 | [MLX5_SQC_STATE_RST] = IB_QPS_RESET, | |
4352 | [MLX5_SQC_STATE_RDY] = MLX5_QP_STATE, | |
4353 | [MLX5_SQC_STATE_ERR] = MLX5_QP_STATE, | |
4354 | [MLX5_SQ_STATE_NA] = MLX5_QP_STATE_BAD, | |
4355 | }, | |
4356 | }; | |
4357 | ||
4358 | *qp_state = sqrq_trans[rq_state][sq_state]; | |
4359 | ||
4360 | if (*qp_state == MLX5_QP_STATE_BAD) { | |
4361 | WARN(1, "Buggy Raw Packet QP state, SQ 0x%x state: 0x%x, RQ 0x%x state: 0x%x", | |
4362 | qp->raw_packet_qp.sq.base.mqp.qpn, sq_state, | |
4363 | qp->raw_packet_qp.rq.base.mqp.qpn, rq_state); | |
4364 | return -EINVAL; | |
4365 | } | |
4366 | ||
4367 | if (*qp_state == MLX5_QP_STATE) | |
4368 | *qp_state = qp->state; | |
4369 | ||
4370 | return 0; | |
4371 | } | |
4372 | ||
4373 | static int query_raw_packet_qp_state(struct mlx5_ib_dev *dev, | |
4374 | struct mlx5_ib_qp *qp, | |
4375 | u8 *raw_packet_qp_state) | |
4376 | { | |
4377 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = &qp->raw_packet_qp; | |
4378 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; | |
4379 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; | |
4380 | int err; | |
4381 | u8 sq_state = MLX5_SQ_STATE_NA; | |
4382 | u8 rq_state = MLX5_RQ_STATE_NA; | |
4383 | ||
4384 | if (qp->sq.wqe_cnt) { | |
4385 | err = query_raw_packet_qp_sq_state(dev, sq, &sq_state); | |
4386 | if (err) | |
4387 | return err; | |
4388 | } | |
4389 | ||
4390 | if (qp->rq.wqe_cnt) { | |
4391 | err = query_raw_packet_qp_rq_state(dev, rq, &rq_state); | |
4392 | if (err) | |
4393 | return err; | |
4394 | } | |
4395 | ||
4396 | return sqrq_state_to_qp_state(sq_state, rq_state, qp, | |
4397 | raw_packet_qp_state); | |
4398 | } | |
4399 | ||
4400 | static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, | |
4401 | struct ib_qp_attr *qp_attr) | |
e126ba97 | 4402 | { |
09a7d9ec | 4403 | int outlen = MLX5_ST_SZ_BYTES(query_qp_out); |
e126ba97 EC |
4404 | struct mlx5_qp_context *context; |
4405 | int mlx5_state; | |
09a7d9ec | 4406 | u32 *outb; |
e126ba97 EC |
4407 | int err = 0; |
4408 | ||
09a7d9ec | 4409 | outb = kzalloc(outlen, GFP_KERNEL); |
6d2f89df | 4410 | if (!outb) |
4411 | return -ENOMEM; | |
4412 | ||
19098df2 | 4413 | err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb, |
09a7d9ec | 4414 | outlen); |
e126ba97 | 4415 | if (err) |
6d2f89df | 4416 | goto out; |
e126ba97 | 4417 | |
09a7d9ec SM |
4418 | /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */ |
4419 | context = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, outb, qpc); | |
4420 | ||
e126ba97 EC |
4421 | mlx5_state = be32_to_cpu(context->flags) >> 28; |
4422 | ||
4423 | qp->state = to_ib_qp_state(mlx5_state); | |
e126ba97 EC |
4424 | qp_attr->path_mtu = context->mtu_msgmax >> 5; |
4425 | qp_attr->path_mig_state = | |
4426 | to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3); | |
4427 | qp_attr->qkey = be32_to_cpu(context->qkey); | |
4428 | qp_attr->rq_psn = be32_to_cpu(context->rnr_nextrecvpsn) & 0xffffff; | |
4429 | qp_attr->sq_psn = be32_to_cpu(context->next_send_psn) & 0xffffff; | |
4430 | qp_attr->dest_qp_num = be32_to_cpu(context->log_pg_sz_remote_qpn) & 0xffffff; | |
4431 | qp_attr->qp_access_flags = | |
4432 | to_ib_qp_access_flags(be32_to_cpu(context->params2)); | |
4433 | ||
4434 | if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { | |
38349389 DC |
4435 | to_rdma_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path); |
4436 | to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); | |
d3ae2bde NO |
4437 | qp_attr->alt_pkey_index = |
4438 | be16_to_cpu(context->alt_path.pkey_index); | |
d8966fcd DC |
4439 | qp_attr->alt_port_num = |
4440 | rdma_ah_get_port_num(&qp_attr->alt_ah_attr); | |
e126ba97 EC |
4441 | } |
4442 | ||
d3ae2bde | 4443 | qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); |
e126ba97 EC |
4444 | qp_attr->port_num = context->pri_path.port; |
4445 | ||
4446 | /* qp_attr->en_sqd_async_notify is only applicable in modify qp */ | |
4447 | qp_attr->sq_draining = mlx5_state == MLX5_QP_STATE_SQ_DRAINING; | |
4448 | ||
4449 | qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context->params1) >> 21) & 0x7); | |
4450 | ||
4451 | qp_attr->max_dest_rd_atomic = | |
4452 | 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7); | |
4453 | qp_attr->min_rnr_timer = | |
4454 | (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f; | |
4455 | qp_attr->timeout = context->pri_path.ackto_lt >> 3; | |
4456 | qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7; | |
4457 | qp_attr->rnr_retry = (be32_to_cpu(context->params1) >> 13) & 0x7; | |
4458 | qp_attr->alt_timeout = context->alt_path.ackto_lt >> 3; | |
6d2f89df | 4459 | |
4460 | out: | |
4461 | kfree(outb); | |
4462 | return err; | |
4463 | } | |
4464 | ||
4465 | int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, | |
4466 | int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) | |
4467 | { | |
4468 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
4469 | struct mlx5_ib_qp *qp = to_mqp(ibqp); | |
4470 | int err = 0; | |
4471 | u8 raw_packet_qp_state; | |
4472 | ||
28d61370 YH |
4473 | if (ibqp->rwq_ind_tbl) |
4474 | return -ENOSYS; | |
4475 | ||
d16e91da HE |
4476 | if (unlikely(ibqp->qp_type == IB_QPT_GSI)) |
4477 | return mlx5_ib_gsi_query_qp(ibqp, qp_attr, qp_attr_mask, | |
4478 | qp_init_attr); | |
4479 | ||
6d2f89df | 4480 | mutex_lock(&qp->mutex); |
4481 | ||
4482 | if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { | |
4483 | err = query_raw_packet_qp_state(dev, qp, &raw_packet_qp_state); | |
4484 | if (err) | |
4485 | goto out; | |
4486 | qp->state = raw_packet_qp_state; | |
4487 | qp_attr->port_num = 1; | |
4488 | } else { | |
4489 | err = query_qp_attr(dev, qp, qp_attr); | |
4490 | if (err) | |
4491 | goto out; | |
4492 | } | |
4493 | ||
4494 | qp_attr->qp_state = qp->state; | |
e126ba97 EC |
4495 | qp_attr->cur_qp_state = qp_attr->qp_state; |
4496 | qp_attr->cap.max_recv_wr = qp->rq.wqe_cnt; | |
4497 | qp_attr->cap.max_recv_sge = qp->rq.max_gs; | |
4498 | ||
4499 | if (!ibqp->uobject) { | |
0540d814 | 4500 | qp_attr->cap.max_send_wr = qp->sq.max_post; |
e126ba97 | 4501 | qp_attr->cap.max_send_sge = qp->sq.max_gs; |
0540d814 | 4502 | qp_init_attr->qp_context = ibqp->qp_context; |
e126ba97 EC |
4503 | } else { |
4504 | qp_attr->cap.max_send_wr = 0; | |
4505 | qp_attr->cap.max_send_sge = 0; | |
4506 | } | |
4507 | ||
0540d814 NO |
4508 | qp_init_attr->qp_type = ibqp->qp_type; |
4509 | qp_init_attr->recv_cq = ibqp->recv_cq; | |
4510 | qp_init_attr->send_cq = ibqp->send_cq; | |
4511 | qp_init_attr->srq = ibqp->srq; | |
4512 | qp_attr->cap.max_inline_data = qp->max_inline_data; | |
e126ba97 EC |
4513 | |
4514 | qp_init_attr->cap = qp_attr->cap; | |
4515 | ||
4516 | qp_init_attr->create_flags = 0; | |
4517 | if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) | |
4518 | qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK; | |
4519 | ||
051f2630 LR |
4520 | if (qp->flags & MLX5_IB_QP_CROSS_CHANNEL) |
4521 | qp_init_attr->create_flags |= IB_QP_CREATE_CROSS_CHANNEL; | |
4522 | if (qp->flags & MLX5_IB_QP_MANAGED_SEND) | |
4523 | qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_SEND; | |
4524 | if (qp->flags & MLX5_IB_QP_MANAGED_RECV) | |
4525 | qp_init_attr->create_flags |= IB_QP_CREATE_MANAGED_RECV; | |
b11a4f9c HE |
4526 | if (qp->flags & MLX5_IB_QP_SQPN_QP1) |
4527 | qp_init_attr->create_flags |= mlx5_ib_create_qp_sqpn_qp1(); | |
051f2630 | 4528 | |
e126ba97 EC |
4529 | qp_init_attr->sq_sig_type = qp->sq_signal_bits & MLX5_WQE_CTRL_CQ_UPDATE ? |
4530 | IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR; | |
4531 | ||
e126ba97 EC |
4532 | out: |
4533 | mutex_unlock(&qp->mutex); | |
4534 | return err; | |
4535 | } | |
4536 | ||
4537 | struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev, | |
4538 | struct ib_ucontext *context, | |
4539 | struct ib_udata *udata) | |
4540 | { | |
4541 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
4542 | struct mlx5_ib_xrcd *xrcd; | |
4543 | int err; | |
4544 | ||
938fe83c | 4545 | if (!MLX5_CAP_GEN(dev->mdev, xrc)) |
e126ba97 EC |
4546 | return ERR_PTR(-ENOSYS); |
4547 | ||
4548 | xrcd = kmalloc(sizeof(*xrcd), GFP_KERNEL); | |
4549 | if (!xrcd) | |
4550 | return ERR_PTR(-ENOMEM); | |
4551 | ||
9603b61d | 4552 | err = mlx5_core_xrcd_alloc(dev->mdev, &xrcd->xrcdn); |
e126ba97 EC |
4553 | if (err) { |
4554 | kfree(xrcd); | |
4555 | return ERR_PTR(-ENOMEM); | |
4556 | } | |
4557 | ||
4558 | return &xrcd->ibxrcd; | |
4559 | } | |
4560 | ||
4561 | int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd) | |
4562 | { | |
4563 | struct mlx5_ib_dev *dev = to_mdev(xrcd->device); | |
4564 | u32 xrcdn = to_mxrcd(xrcd)->xrcdn; | |
4565 | int err; | |
4566 | ||
9603b61d | 4567 | err = mlx5_core_xrcd_dealloc(dev->mdev, xrcdn); |
e126ba97 EC |
4568 | if (err) { |
4569 | mlx5_ib_warn(dev, "failed to dealloc xrcdn 0x%x\n", xrcdn); | |
4570 | return err; | |
4571 | } | |
4572 | ||
4573 | kfree(xrcd); | |
4574 | ||
4575 | return 0; | |
4576 | } | |
79b20a6c | 4577 | |
350d0e4c YH |
4578 | static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type) |
4579 | { | |
4580 | struct mlx5_ib_rwq *rwq = to_mibrwq(core_qp); | |
4581 | struct mlx5_ib_dev *dev = to_mdev(rwq->ibwq.device); | |
4582 | struct ib_event event; | |
4583 | ||
4584 | if (rwq->ibwq.event_handler) { | |
4585 | event.device = rwq->ibwq.device; | |
4586 | event.element.wq = &rwq->ibwq; | |
4587 | switch (type) { | |
4588 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: | |
4589 | event.event = IB_EVENT_WQ_FATAL; | |
4590 | break; | |
4591 | default: | |
4592 | mlx5_ib_warn(dev, "Unexpected event type %d on WQ %06x\n", type, core_qp->qpn); | |
4593 | return; | |
4594 | } | |
4595 | ||
4596 | rwq->ibwq.event_handler(&event, rwq->ibwq.wq_context); | |
4597 | } | |
4598 | } | |
4599 | ||
79b20a6c YH |
4600 | static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, |
4601 | struct ib_wq_init_attr *init_attr) | |
4602 | { | |
4603 | struct mlx5_ib_dev *dev; | |
4be6da1e | 4604 | int has_net_offloads; |
79b20a6c YH |
4605 | __be64 *rq_pas0; |
4606 | void *in; | |
4607 | void *rqc; | |
4608 | void *wq; | |
4609 | int inlen; | |
4610 | int err; | |
4611 | ||
4612 | dev = to_mdev(pd->device); | |
4613 | ||
4614 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + sizeof(u64) * rwq->rq_num_pas; | |
1b9a07ee | 4615 | in = kvzalloc(inlen, GFP_KERNEL); |
79b20a6c YH |
4616 | if (!in) |
4617 | return -ENOMEM; | |
4618 | ||
4619 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); | |
4620 | MLX5_SET(rqc, rqc, mem_rq_type, | |
4621 | MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE); | |
4622 | MLX5_SET(rqc, rqc, user_index, rwq->user_index); | |
4623 | MLX5_SET(rqc, rqc, cqn, to_mcq(init_attr->cq)->mcq.cqn); | |
4624 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); | |
4625 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); | |
4626 | wq = MLX5_ADDR_OF(rqc, rqc, wq); | |
4627 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); | |
4628 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); | |
4629 | MLX5_SET(wq, wq, log_wq_stride, rwq->log_rq_stride); | |
4630 | MLX5_SET(wq, wq, log_wq_sz, rwq->log_rq_size); | |
4631 | MLX5_SET(wq, wq, pd, to_mpd(pd)->pdn); | |
4632 | MLX5_SET(wq, wq, page_offset, rwq->rq_page_offset); | |
4633 | MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); | |
4634 | MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); | |
4635 | MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); | |
4be6da1e | 4636 | has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); |
b1f74a84 | 4637 | if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { |
4be6da1e | 4638 | if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { |
b1f74a84 NO |
4639 | mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); |
4640 | err = -EOPNOTSUPP; | |
4641 | goto out; | |
4642 | } | |
4643 | } else { | |
4644 | MLX5_SET(rqc, rqc, vsd, 1); | |
4645 | } | |
4be6da1e NO |
4646 | if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { |
4647 | if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { | |
4648 | mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); | |
4649 | err = -EOPNOTSUPP; | |
4650 | goto out; | |
4651 | } | |
4652 | MLX5_SET(rqc, rqc, scatter_fcs, 1); | |
4653 | } | |
79b20a6c YH |
4654 | rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); |
4655 | mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); | |
350d0e4c | 4656 | err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); |
b1f74a84 | 4657 | out: |
79b20a6c YH |
4658 | kvfree(in); |
4659 | return err; | |
4660 | } | |
4661 | ||
4662 | static int set_user_rq_size(struct mlx5_ib_dev *dev, | |
4663 | struct ib_wq_init_attr *wq_init_attr, | |
4664 | struct mlx5_ib_create_wq *ucmd, | |
4665 | struct mlx5_ib_rwq *rwq) | |
4666 | { | |
4667 | /* Sanity check RQ size before proceeding */ | |
4668 | if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz))) | |
4669 | return -EINVAL; | |
4670 | ||
4671 | if (!ucmd->rq_wqe_count) | |
4672 | return -EINVAL; | |
4673 | ||
4674 | rwq->wqe_count = ucmd->rq_wqe_count; | |
4675 | rwq->wqe_shift = ucmd->rq_wqe_shift; | |
4676 | rwq->buf_size = (rwq->wqe_count << rwq->wqe_shift); | |
4677 | rwq->log_rq_stride = rwq->wqe_shift; | |
4678 | rwq->log_rq_size = ilog2(rwq->wqe_count); | |
4679 | return 0; | |
4680 | } | |
4681 | ||
4682 | static int prepare_user_rq(struct ib_pd *pd, | |
4683 | struct ib_wq_init_attr *init_attr, | |
4684 | struct ib_udata *udata, | |
4685 | struct mlx5_ib_rwq *rwq) | |
4686 | { | |
4687 | struct mlx5_ib_dev *dev = to_mdev(pd->device); | |
4688 | struct mlx5_ib_create_wq ucmd = {}; | |
4689 | int err; | |
4690 | size_t required_cmd_sz; | |
4691 | ||
4692 | required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); | |
4693 | if (udata->inlen < required_cmd_sz) { | |
4694 | mlx5_ib_dbg(dev, "invalid inlen\n"); | |
4695 | return -EINVAL; | |
4696 | } | |
4697 | ||
4698 | if (udata->inlen > sizeof(ucmd) && | |
4699 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
4700 | udata->inlen - sizeof(ucmd))) { | |
4701 | mlx5_ib_dbg(dev, "inlen is not supported\n"); | |
4702 | return -EOPNOTSUPP; | |
4703 | } | |
4704 | ||
4705 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) { | |
4706 | mlx5_ib_dbg(dev, "copy failed\n"); | |
4707 | return -EFAULT; | |
4708 | } | |
4709 | ||
4710 | if (ucmd.comp_mask) { | |
4711 | mlx5_ib_dbg(dev, "invalid comp mask\n"); | |
4712 | return -EOPNOTSUPP; | |
4713 | } | |
4714 | ||
4715 | if (ucmd.reserved) { | |
4716 | mlx5_ib_dbg(dev, "invalid reserved\n"); | |
4717 | return -EOPNOTSUPP; | |
4718 | } | |
4719 | ||
4720 | err = set_user_rq_size(dev, init_attr, &ucmd, rwq); | |
4721 | if (err) { | |
4722 | mlx5_ib_dbg(dev, "err %d\n", err); | |
4723 | return err; | |
4724 | } | |
4725 | ||
4726 | err = create_user_rq(dev, pd, rwq, &ucmd); | |
4727 | if (err) { | |
4728 | mlx5_ib_dbg(dev, "err %d\n", err); | |
4729 | if (err) | |
4730 | return err; | |
4731 | } | |
4732 | ||
4733 | rwq->user_index = ucmd.user_index; | |
4734 | return 0; | |
4735 | } | |
4736 | ||
4737 | struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, | |
4738 | struct ib_wq_init_attr *init_attr, | |
4739 | struct ib_udata *udata) | |
4740 | { | |
4741 | struct mlx5_ib_dev *dev; | |
4742 | struct mlx5_ib_rwq *rwq; | |
4743 | struct mlx5_ib_create_wq_resp resp = {}; | |
4744 | size_t min_resp_len; | |
4745 | int err; | |
4746 | ||
4747 | if (!udata) | |
4748 | return ERR_PTR(-ENOSYS); | |
4749 | ||
4750 | min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); | |
4751 | if (udata->outlen && udata->outlen < min_resp_len) | |
4752 | return ERR_PTR(-EINVAL); | |
4753 | ||
4754 | dev = to_mdev(pd->device); | |
4755 | switch (init_attr->wq_type) { | |
4756 | case IB_WQT_RQ: | |
4757 | rwq = kzalloc(sizeof(*rwq), GFP_KERNEL); | |
4758 | if (!rwq) | |
4759 | return ERR_PTR(-ENOMEM); | |
4760 | err = prepare_user_rq(pd, init_attr, udata, rwq); | |
4761 | if (err) | |
4762 | goto err; | |
4763 | err = create_rq(rwq, pd, init_attr); | |
4764 | if (err) | |
4765 | goto err_user_rq; | |
4766 | break; | |
4767 | default: | |
4768 | mlx5_ib_dbg(dev, "unsupported wq type %d\n", | |
4769 | init_attr->wq_type); | |
4770 | return ERR_PTR(-EINVAL); | |
4771 | } | |
4772 | ||
350d0e4c | 4773 | rwq->ibwq.wq_num = rwq->core_qp.qpn; |
79b20a6c YH |
4774 | rwq->ibwq.state = IB_WQS_RESET; |
4775 | if (udata->outlen) { | |
4776 | resp.response_length = offsetof(typeof(resp), response_length) + | |
4777 | sizeof(resp.response_length); | |
4778 | err = ib_copy_to_udata(udata, &resp, resp.response_length); | |
4779 | if (err) | |
4780 | goto err_copy; | |
4781 | } | |
4782 | ||
350d0e4c YH |
4783 | rwq->core_qp.event = mlx5_ib_wq_event; |
4784 | rwq->ibwq.event_handler = init_attr->event_handler; | |
79b20a6c YH |
4785 | return &rwq->ibwq; |
4786 | ||
4787 | err_copy: | |
350d0e4c | 4788 | mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); |
79b20a6c YH |
4789 | err_user_rq: |
4790 | destroy_user_rq(pd, rwq); | |
4791 | err: | |
4792 | kfree(rwq); | |
4793 | return ERR_PTR(err); | |
4794 | } | |
4795 | ||
4796 | int mlx5_ib_destroy_wq(struct ib_wq *wq) | |
4797 | { | |
4798 | struct mlx5_ib_dev *dev = to_mdev(wq->device); | |
4799 | struct mlx5_ib_rwq *rwq = to_mrwq(wq); | |
4800 | ||
350d0e4c | 4801 | mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp); |
79b20a6c YH |
4802 | destroy_user_rq(wq->pd, rwq); |
4803 | kfree(rwq); | |
4804 | ||
4805 | return 0; | |
4806 | } | |
4807 | ||
c5f90929 YH |
4808 | struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device, |
4809 | struct ib_rwq_ind_table_init_attr *init_attr, | |
4810 | struct ib_udata *udata) | |
4811 | { | |
4812 | struct mlx5_ib_dev *dev = to_mdev(device); | |
4813 | struct mlx5_ib_rwq_ind_table *rwq_ind_tbl; | |
4814 | int sz = 1 << init_attr->log_ind_tbl_size; | |
4815 | struct mlx5_ib_create_rwq_ind_tbl_resp resp = {}; | |
4816 | size_t min_resp_len; | |
4817 | int inlen; | |
4818 | int err; | |
4819 | int i; | |
4820 | u32 *in; | |
4821 | void *rqtc; | |
4822 | ||
4823 | if (udata->inlen > 0 && | |
4824 | !ib_is_udata_cleared(udata, 0, | |
4825 | udata->inlen)) | |
4826 | return ERR_PTR(-EOPNOTSUPP); | |
4827 | ||
efd7f400 MG |
4828 | if (init_attr->log_ind_tbl_size > |
4829 | MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) { | |
4830 | mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n", | |
4831 | init_attr->log_ind_tbl_size, | |
4832 | MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)); | |
4833 | return ERR_PTR(-EINVAL); | |
4834 | } | |
4835 | ||
c5f90929 YH |
4836 | min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); |
4837 | if (udata->outlen && udata->outlen < min_resp_len) | |
4838 | return ERR_PTR(-EINVAL); | |
4839 | ||
4840 | rwq_ind_tbl = kzalloc(sizeof(*rwq_ind_tbl), GFP_KERNEL); | |
4841 | if (!rwq_ind_tbl) | |
4842 | return ERR_PTR(-ENOMEM); | |
4843 | ||
4844 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; | |
1b9a07ee | 4845 | in = kvzalloc(inlen, GFP_KERNEL); |
c5f90929 YH |
4846 | if (!in) { |
4847 | err = -ENOMEM; | |
4848 | goto err; | |
4849 | } | |
4850 | ||
4851 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); | |
4852 | ||
4853 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); | |
4854 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); | |
4855 | ||
4856 | for (i = 0; i < sz; i++) | |
4857 | MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num); | |
4858 | ||
4859 | err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn); | |
4860 | kvfree(in); | |
4861 | ||
4862 | if (err) | |
4863 | goto err; | |
4864 | ||
4865 | rwq_ind_tbl->ib_rwq_ind_tbl.ind_tbl_num = rwq_ind_tbl->rqtn; | |
4866 | if (udata->outlen) { | |
4867 | resp.response_length = offsetof(typeof(resp), response_length) + | |
4868 | sizeof(resp.response_length); | |
4869 | err = ib_copy_to_udata(udata, &resp, resp.response_length); | |
4870 | if (err) | |
4871 | goto err_copy; | |
4872 | } | |
4873 | ||
4874 | return &rwq_ind_tbl->ib_rwq_ind_tbl; | |
4875 | ||
4876 | err_copy: | |
4877 | mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); | |
4878 | err: | |
4879 | kfree(rwq_ind_tbl); | |
4880 | return ERR_PTR(err); | |
4881 | } | |
4882 | ||
4883 | int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) | |
4884 | { | |
4885 | struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl); | |
4886 | struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device); | |
4887 | ||
4888 | mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn); | |
4889 | ||
4890 | kfree(rwq_ind_tbl); | |
4891 | return 0; | |
4892 | } | |
4893 | ||
79b20a6c YH |
4894 | int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, |
4895 | u32 wq_attr_mask, struct ib_udata *udata) | |
4896 | { | |
4897 | struct mlx5_ib_dev *dev = to_mdev(wq->device); | |
4898 | struct mlx5_ib_rwq *rwq = to_mrwq(wq); | |
4899 | struct mlx5_ib_modify_wq ucmd = {}; | |
4900 | size_t required_cmd_sz; | |
4901 | int curr_wq_state; | |
4902 | int wq_state; | |
4903 | int inlen; | |
4904 | int err; | |
4905 | void *rqc; | |
4906 | void *in; | |
4907 | ||
4908 | required_cmd_sz = offsetof(typeof(ucmd), reserved) + sizeof(ucmd.reserved); | |
4909 | if (udata->inlen < required_cmd_sz) | |
4910 | return -EINVAL; | |
4911 | ||
4912 | if (udata->inlen > sizeof(ucmd) && | |
4913 | !ib_is_udata_cleared(udata, sizeof(ucmd), | |
4914 | udata->inlen - sizeof(ucmd))) | |
4915 | return -EOPNOTSUPP; | |
4916 | ||
4917 | if (ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen))) | |
4918 | return -EFAULT; | |
4919 | ||
4920 | if (ucmd.comp_mask || ucmd.reserved) | |
4921 | return -EOPNOTSUPP; | |
4922 | ||
4923 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); | |
1b9a07ee | 4924 | in = kvzalloc(inlen, GFP_KERNEL); |
79b20a6c YH |
4925 | if (!in) |
4926 | return -ENOMEM; | |
4927 | ||
4928 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); | |
4929 | ||
4930 | curr_wq_state = (wq_attr_mask & IB_WQ_CUR_STATE) ? | |
4931 | wq_attr->curr_wq_state : wq->state; | |
4932 | wq_state = (wq_attr_mask & IB_WQ_STATE) ? | |
4933 | wq_attr->wq_state : curr_wq_state; | |
4934 | if (curr_wq_state == IB_WQS_ERR) | |
4935 | curr_wq_state = MLX5_RQC_STATE_ERR; | |
4936 | if (wq_state == IB_WQS_ERR) | |
4937 | wq_state = MLX5_RQC_STATE_ERR; | |
4938 | MLX5_SET(modify_rq_in, in, rq_state, curr_wq_state); | |
4939 | MLX5_SET(rqc, rqc, state, wq_state); | |
4940 | ||
b1f74a84 NO |
4941 | if (wq_attr_mask & IB_WQ_FLAGS) { |
4942 | if (wq_attr->flags_mask & IB_WQ_FLAGS_CVLAN_STRIPPING) { | |
4943 | if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && | |
4944 | MLX5_CAP_ETH(dev->mdev, vlan_cap))) { | |
4945 | mlx5_ib_dbg(dev, "VLAN offloads are not " | |
4946 | "supported\n"); | |
4947 | err = -EOPNOTSUPP; | |
4948 | goto out; | |
4949 | } | |
4950 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
4951 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); | |
4952 | MLX5_SET(rqc, rqc, vsd, | |
4953 | (wq_attr->flags & IB_WQ_FLAGS_CVLAN_STRIPPING) ? 0 : 1); | |
4954 | } | |
4955 | } | |
4956 | ||
23a6964e MD |
4957 | if (curr_wq_state == IB_WQS_RESET && wq_state == IB_WQS_RDY) { |
4958 | if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) { | |
4959 | MLX5_SET64(modify_rq_in, in, modify_bitmask, | |
4960 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID); | |
e1f24a79 PP |
4961 | MLX5_SET(rqc, rqc, counter_set_id, |
4962 | dev->port->cnts.set_id); | |
23a6964e MD |
4963 | } else |
4964 | pr_info_once("%s: Receive WQ counters are not supported on current FW\n", | |
4965 | dev->ib_dev.name); | |
4966 | } | |
4967 | ||
350d0e4c | 4968 | err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen); |
79b20a6c YH |
4969 | if (!err) |
4970 | rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state; | |
4971 | ||
b1f74a84 NO |
4972 | out: |
4973 | kvfree(in); | |
79b20a6c YH |
4974 | return err; |
4975 | } |