]>
Commit | Line | Data |
---|---|---|
e126ba97 | 1 | /* |
302bdf68 | 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 | ||
e126ba97 EC |
33 | #include <linux/gfp.h> |
34 | #include <linux/export.h> | |
35 | #include <linux/mlx5/cmd.h> | |
36 | #include <linux/mlx5/qp.h> | |
37 | #include <linux/mlx5/driver.h> | |
e2013b21 | 38 | #include <linux/mlx5/transobj.h> |
e126ba97 EC |
39 | |
40 | #include "mlx5_core.h" | |
221c14f3 | 41 | #include "lib/eq.h" |
e126ba97 | 42 | |
221c14f3 SM |
43 | static struct mlx5_core_rsc_common * |
44 | mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) | |
e126ba97 | 45 | { |
5903325a | 46 | struct mlx5_core_rsc_common *common; |
e126ba97 EC |
47 | |
48 | spin_lock(&table->lock); | |
49 | ||
5903325a EC |
50 | common = radix_tree_lookup(&table->tree, rsn); |
51 | if (common) | |
52 | atomic_inc(&common->refcount); | |
e126ba97 EC |
53 | |
54 | spin_unlock(&table->lock); | |
55 | ||
5903325a EC |
56 | return common; |
57 | } | |
e126ba97 | 58 | |
5903325a EC |
59 | void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common) |
60 | { | |
61 | if (atomic_dec_and_test(&common->refcount)) | |
62 | complete(&common->free); | |
63 | } | |
64 | ||
a14c2d4b | 65 | static u64 qp_allowed_event_types(void) |
66 | { | |
67 | u64 mask; | |
68 | ||
69 | mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) | | |
70 | BIT(MLX5_EVENT_TYPE_COMM_EST) | | |
71 | BIT(MLX5_EVENT_TYPE_SQ_DRAINED) | | |
72 | BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) | | |
73 | BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) | | |
74 | BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) | | |
75 | BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) | | |
76 | BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR); | |
77 | ||
78 | return mask; | |
79 | } | |
80 | ||
81 | static u64 rq_allowed_event_types(void) | |
82 | { | |
83 | u64 mask; | |
84 | ||
85 | mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) | | |
86 | BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR); | |
87 | ||
88 | return mask; | |
89 | } | |
90 | ||
91 | static u64 sq_allowed_event_types(void) | |
92 | { | |
93 | return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR); | |
94 | } | |
95 | ||
57cda166 MS |
96 | static u64 dct_allowed_event_types(void) |
97 | { | |
98 | return BIT(MLX5_EVENT_TYPE_DCT_DRAINED); | |
99 | } | |
100 | ||
a14c2d4b | 101 | static bool is_event_type_allowed(int rsc_type, int event_type) |
102 | { | |
103 | switch (rsc_type) { | |
104 | case MLX5_EVENT_QUEUE_TYPE_QP: | |
105 | return BIT(event_type) & qp_allowed_event_types(); | |
106 | case MLX5_EVENT_QUEUE_TYPE_RQ: | |
107 | return BIT(event_type) & rq_allowed_event_types(); | |
108 | case MLX5_EVENT_QUEUE_TYPE_SQ: | |
109 | return BIT(event_type) & sq_allowed_event_types(); | |
57cda166 MS |
110 | case MLX5_EVENT_QUEUE_TYPE_DCT: |
111 | return BIT(event_type) & dct_allowed_event_types(); | |
a14c2d4b | 112 | default: |
113 | WARN(1, "Event arrived for unknown resource type"); | |
114 | return false; | |
115 | } | |
116 | } | |
117 | ||
221c14f3 SM |
118 | static int rsc_event_notifier(struct notifier_block *nb, |
119 | unsigned long type, void *data) | |
5903325a | 120 | { |
221c14f3 SM |
121 | struct mlx5_core_rsc_common *common; |
122 | struct mlx5_qp_table *table; | |
123 | struct mlx5_core_dev *dev; | |
57cda166 | 124 | struct mlx5_core_dct *dct; |
221c14f3 | 125 | u8 event_type = (u8)type; |
5903325a | 126 | struct mlx5_core_qp *qp; |
221c14f3 SM |
127 | struct mlx5_priv *priv; |
128 | struct mlx5_eqe *eqe; | |
129 | u32 rsn; | |
130 | ||
131 | switch (event_type) { | |
132 | case MLX5_EVENT_TYPE_DCT_DRAINED: | |
133 | eqe = data; | |
134 | rsn = be32_to_cpu(eqe->data.dct.dctn) & 0xffffff; | |
135 | rsn |= (MLX5_RES_DCT << MLX5_USER_INDEX_LEN); | |
136 | break; | |
137 | case MLX5_EVENT_TYPE_PATH_MIG: | |
138 | case MLX5_EVENT_TYPE_COMM_EST: | |
139 | case MLX5_EVENT_TYPE_SQ_DRAINED: | |
140 | case MLX5_EVENT_TYPE_SRQ_LAST_WQE: | |
141 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: | |
142 | case MLX5_EVENT_TYPE_PATH_MIG_FAILED: | |
143 | case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: | |
144 | case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: | |
145 | eqe = data; | |
146 | rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff; | |
147 | rsn |= (eqe->data.qp_srq.type << MLX5_USER_INDEX_LEN); | |
148 | break; | |
149 | default: | |
150 | return NOTIFY_DONE; | |
151 | } | |
152 | ||
451be51c | 153 | table = container_of(nb, struct mlx5_qp_table, nb); |
221c14f3 SM |
154 | priv = container_of(table, struct mlx5_priv, qp_table); |
155 | dev = container_of(priv, struct mlx5_core_dev, priv); | |
5903325a | 156 | |
221c14f3 SM |
157 | mlx5_core_dbg(dev, "event (%d) arrived on resource 0x%x\n", eqe->type, rsn); |
158 | ||
159 | common = mlx5_get_rsc(table, rsn); | |
160 | if (!common) { | |
161 | mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n", rsn); | |
162 | return NOTIFY_OK; | |
163 | } | |
5903325a | 164 | |
a14c2d4b | 165 | if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) { |
166 | mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n", | |
167 | event_type, rsn); | |
69811496 | 168 | goto out; |
a14c2d4b | 169 | } |
170 | ||
5903325a EC |
171 | switch (common->res) { |
172 | case MLX5_RES_QP: | |
e2013b21 | 173 | case MLX5_RES_RQ: |
174 | case MLX5_RES_SQ: | |
5903325a EC |
175 | qp = (struct mlx5_core_qp *)common; |
176 | qp->event(qp, event_type); | |
177 | break; | |
57cda166 MS |
178 | case MLX5_RES_DCT: |
179 | dct = (struct mlx5_core_dct *)common; | |
180 | if (event_type == MLX5_EVENT_TYPE_DCT_DRAINED) | |
181 | complete(&dct->drained); | |
182 | break; | |
5903325a EC |
183 | default: |
184 | mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn); | |
185 | } | |
69811496 | 186 | out: |
5903325a | 187 | mlx5_core_put_rsc(common); |
221c14f3 SM |
188 | |
189 | return NOTIFY_OK; | |
e126ba97 EC |
190 | } |
191 | ||
57cda166 MS |
192 | static int create_resource_common(struct mlx5_core_dev *dev, |
193 | struct mlx5_core_qp *qp, | |
194 | int rsc_type) | |
e2013b21 | 195 | { |
196 | struct mlx5_qp_table *table = &dev->priv.qp_table; | |
197 | int err; | |
198 | ||
199 | qp->common.res = rsc_type; | |
200 | spin_lock_irq(&table->lock); | |
201 | err = radix_tree_insert(&table->tree, | |
202 | qp->qpn | (rsc_type << MLX5_USER_INDEX_LEN), | |
203 | qp); | |
204 | spin_unlock_irq(&table->lock); | |
205 | if (err) | |
206 | return err; | |
207 | ||
208 | atomic_set(&qp->common.refcount, 1); | |
209 | init_completion(&qp->common.free); | |
210 | qp->pid = current->pid; | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
57cda166 MS |
215 | static void destroy_resource_common(struct mlx5_core_dev *dev, |
216 | struct mlx5_core_qp *qp) | |
e2013b21 | 217 | { |
218 | struct mlx5_qp_table *table = &dev->priv.qp_table; | |
219 | unsigned long flags; | |
220 | ||
221 | spin_lock_irqsave(&table->lock, flags); | |
222 | radix_tree_delete(&table->tree, | |
223 | qp->qpn | (qp->common.res << MLX5_USER_INDEX_LEN)); | |
224 | spin_unlock_irqrestore(&table->lock, flags); | |
225 | mlx5_core_put_rsc((struct mlx5_core_rsc_common *)qp); | |
226 | wait_for_completion(&qp->common.free); | |
227 | } | |
228 | ||
57cda166 MS |
229 | int mlx5_core_create_dct(struct mlx5_core_dev *dev, |
230 | struct mlx5_core_dct *dct, | |
231 | u32 *in, int inlen) | |
232 | { | |
233 | u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0}; | |
234 | u32 din[MLX5_ST_SZ_DW(destroy_dct_in)] = {0}; | |
235 | u32 dout[MLX5_ST_SZ_DW(destroy_dct_out)] = {0}; | |
236 | struct mlx5_core_qp *qp = &dct->mqp; | |
237 | int err; | |
238 | ||
239 | init_completion(&dct->drained); | |
240 | MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT); | |
241 | ||
242 | err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out)); | |
243 | if (err) { | |
244 | mlx5_core_warn(dev, "create DCT failed, ret %d\n", err); | |
245 | return err; | |
246 | } | |
247 | ||
248 | qp->qpn = MLX5_GET(create_dct_out, out, dctn); | |
774ea6ee | 249 | qp->uid = MLX5_GET(create_dct_in, in, uid); |
57cda166 MS |
250 | err = create_resource_common(dev, qp, MLX5_RES_DCT); |
251 | if (err) | |
252 | goto err_cmd; | |
253 | ||
254 | return 0; | |
255 | err_cmd: | |
256 | MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT); | |
257 | MLX5_SET(destroy_dct_in, din, dctn, qp->qpn); | |
774ea6ee | 258 | MLX5_SET(destroy_dct_in, din, uid, qp->uid); |
57cda166 MS |
259 | mlx5_cmd_exec(dev, (void *)&in, sizeof(din), |
260 | (void *)&out, sizeof(dout)); | |
261 | return err; | |
262 | } | |
263 | EXPORT_SYMBOL_GPL(mlx5_core_create_dct); | |
264 | ||
e126ba97 EC |
265 | int mlx5_core_create_qp(struct mlx5_core_dev *dev, |
266 | struct mlx5_core_qp *qp, | |
09a7d9ec | 267 | u32 *in, int inlen) |
e126ba97 | 268 | { |
09a7d9ec SM |
269 | u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {0}; |
270 | u32 dout[MLX5_ST_SZ_DW(destroy_qp_out)]; | |
271 | u32 din[MLX5_ST_SZ_DW(destroy_qp_in)]; | |
e126ba97 EC |
272 | int err; |
273 | ||
09a7d9ec | 274 | MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP); |
e126ba97 | 275 | |
09a7d9ec | 276 | err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); |
09a7d9ec | 277 | if (err) |
e126ba97 | 278 | return err; |
e126ba97 | 279 | |
4ac63ec7 | 280 | qp->uid = MLX5_GET(create_qp_in, in, uid); |
09a7d9ec | 281 | qp->qpn = MLX5_GET(create_qp_out, out, qpn); |
e126ba97 EC |
282 | mlx5_core_dbg(dev, "qpn = 0x%x\n", qp->qpn); |
283 | ||
57cda166 | 284 | err = create_resource_common(dev, qp, MLX5_RES_QP); |
e2013b21 | 285 | if (err) |
e126ba97 | 286 | goto err_cmd; |
e126ba97 EC |
287 | |
288 | err = mlx5_debug_qp_add(dev, qp); | |
289 | if (err) | |
290 | mlx5_core_dbg(dev, "failed adding QP 0x%x to debug file system\n", | |
291 | qp->qpn); | |
292 | ||
e126ba97 | 293 | atomic_inc(&dev->num_qps); |
e126ba97 EC |
294 | |
295 | return 0; | |
296 | ||
297 | err_cmd: | |
09a7d9ec SM |
298 | memset(din, 0, sizeof(din)); |
299 | memset(dout, 0, sizeof(dout)); | |
dbff26e4 MS |
300 | MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP); |
301 | MLX5_SET(destroy_qp_in, din, qpn, qp->qpn); | |
4ac63ec7 | 302 | MLX5_SET(destroy_qp_in, din, uid, qp->uid); |
09a7d9ec | 303 | mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout)); |
e126ba97 EC |
304 | return err; |
305 | } | |
306 | EXPORT_SYMBOL_GPL(mlx5_core_create_qp); | |
307 | ||
57cda166 MS |
308 | static int mlx5_core_drain_dct(struct mlx5_core_dev *dev, |
309 | struct mlx5_core_dct *dct) | |
310 | { | |
311 | u32 out[MLX5_ST_SZ_DW(drain_dct_out)] = {0}; | |
312 | u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {0}; | |
313 | struct mlx5_core_qp *qp = &dct->mqp; | |
314 | ||
315 | MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT); | |
316 | MLX5_SET(drain_dct_in, in, dctn, qp->qpn); | |
774ea6ee | 317 | MLX5_SET(drain_dct_in, in, uid, qp->uid); |
57cda166 MS |
318 | return mlx5_cmd_exec(dev, (void *)&in, sizeof(in), |
319 | (void *)&out, sizeof(out)); | |
320 | } | |
321 | ||
322 | int mlx5_core_destroy_dct(struct mlx5_core_dev *dev, | |
323 | struct mlx5_core_dct *dct) | |
324 | { | |
325 | u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0}; | |
326 | u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0}; | |
327 | struct mlx5_core_qp *qp = &dct->mqp; | |
328 | int err; | |
329 | ||
330 | err = mlx5_core_drain_dct(dev, dct); | |
331 | if (err) { | |
332 | if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { | |
333 | goto destroy; | |
334 | } else { | |
335 | mlx5_core_warn(dev, "failed drain DCT 0x%x with error 0x%x\n", qp->qpn, err); | |
336 | return err; | |
337 | } | |
338 | } | |
339 | wait_for_completion(&dct->drained); | |
340 | destroy: | |
341 | destroy_resource_common(dev, &dct->mqp); | |
342 | MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT); | |
343 | MLX5_SET(destroy_dct_in, in, dctn, qp->qpn); | |
774ea6ee | 344 | MLX5_SET(destroy_dct_in, in, uid, qp->uid); |
57cda166 MS |
345 | err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in), |
346 | (void *)&out, sizeof(out)); | |
347 | return err; | |
348 | } | |
349 | EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct); | |
350 | ||
e126ba97 EC |
351 | int mlx5_core_destroy_qp(struct mlx5_core_dev *dev, |
352 | struct mlx5_core_qp *qp) | |
353 | { | |
09a7d9ec SM |
354 | u32 out[MLX5_ST_SZ_DW(destroy_qp_out)] = {0}; |
355 | u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {0}; | |
e126ba97 EC |
356 | int err; |
357 | ||
358 | mlx5_debug_qp_remove(dev, qp); | |
359 | ||
57cda166 | 360 | destroy_resource_common(dev, qp); |
e126ba97 | 361 | |
09a7d9ec SM |
362 | MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP); |
363 | MLX5_SET(destroy_qp_in, in, qpn, qp->qpn); | |
4ac63ec7 | 364 | MLX5_SET(destroy_qp_in, in, uid, qp->uid); |
09a7d9ec | 365 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 EC |
366 | if (err) |
367 | return err; | |
368 | ||
e126ba97 EC |
369 | atomic_dec(&dev->num_qps); |
370 | return 0; | |
371 | } | |
372 | EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp); | |
373 | ||
c1e0bfc1 MG |
374 | int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev, |
375 | u32 timeout_usec) | |
376 | { | |
377 | u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0}; | |
378 | u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {0}; | |
379 | ||
380 | MLX5_SET(set_delay_drop_params_in, in, opcode, | |
381 | MLX5_CMD_OP_SET_DELAY_DROP_PARAMS); | |
382 | MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout, | |
383 | timeout_usec / 100); | |
384 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); | |
385 | } | |
386 | EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop); | |
387 | ||
1a412fb1 SM |
388 | struct mbox_info { |
389 | u32 *in; | |
390 | u32 *out; | |
391 | int inlen; | |
392 | int outlen; | |
393 | }; | |
394 | ||
395 | static int mbox_alloc(struct mbox_info *mbox, int inlen, int outlen) | |
396 | { | |
397 | mbox->inlen = inlen; | |
398 | mbox->outlen = outlen; | |
399 | mbox->in = kzalloc(mbox->inlen, GFP_KERNEL); | |
400 | mbox->out = kzalloc(mbox->outlen, GFP_KERNEL); | |
401 | if (!mbox->in || !mbox->out) { | |
402 | kfree(mbox->in); | |
403 | kfree(mbox->out); | |
404 | return -ENOMEM; | |
405 | } | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | static void mbox_free(struct mbox_info *mbox) | |
411 | { | |
412 | kfree(mbox->in); | |
413 | kfree(mbox->out); | |
414 | } | |
415 | ||
416 | static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn, | |
417 | u32 opt_param_mask, void *qpc, | |
4ac63ec7 | 418 | struct mbox_info *mbox, u16 uid) |
1a412fb1 SM |
419 | { |
420 | mbox->out = NULL; | |
421 | mbox->in = NULL; | |
422 | ||
423 | #define MBOX_ALLOC(mbox, typ) \ | |
424 | mbox_alloc(mbox, MLX5_ST_SZ_BYTES(typ##_in), MLX5_ST_SZ_BYTES(typ##_out)) | |
425 | ||
4ac63ec7 YH |
426 | #define MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid) \ |
427 | do { \ | |
428 | MLX5_SET(typ##_in, in, opcode, _opcode); \ | |
429 | MLX5_SET(typ##_in, in, qpn, _qpn); \ | |
430 | MLX5_SET(typ##_in, in, uid, _uid); \ | |
431 | } while (0) | |
432 | ||
433 | #define MOD_QP_IN_SET_QPC(typ, in, _opcode, _qpn, _opt_p, _qpc, _uid) \ | |
434 | do { \ | |
435 | MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid); \ | |
436 | MLX5_SET(typ##_in, in, opt_param_mask, _opt_p); \ | |
437 | memcpy(MLX5_ADDR_OF(typ##_in, in, qpc), _qpc, \ | |
438 | MLX5_ST_SZ_BYTES(qpc)); \ | |
439 | } while (0) | |
1a412fb1 SM |
440 | |
441 | switch (opcode) { | |
442 | /* 2RST & 2ERR */ | |
443 | case MLX5_CMD_OP_2RST_QP: | |
444 | if (MBOX_ALLOC(mbox, qp_2rst)) | |
445 | return -ENOMEM; | |
4ac63ec7 | 446 | MOD_QP_IN_SET(qp_2rst, mbox->in, opcode, qpn, uid); |
1a412fb1 SM |
447 | break; |
448 | case MLX5_CMD_OP_2ERR_QP: | |
449 | if (MBOX_ALLOC(mbox, qp_2err)) | |
450 | return -ENOMEM; | |
4ac63ec7 | 451 | MOD_QP_IN_SET(qp_2err, mbox->in, opcode, qpn, uid); |
1a412fb1 SM |
452 | break; |
453 | ||
454 | /* MODIFY with QPC */ | |
455 | case MLX5_CMD_OP_RST2INIT_QP: | |
456 | if (MBOX_ALLOC(mbox, rst2init_qp)) | |
457 | return -ENOMEM; | |
9f463608 | 458 | MOD_QP_IN_SET_QPC(rst2init_qp, mbox->in, opcode, qpn, |
4ac63ec7 | 459 | opt_param_mask, qpc, uid); |
9f463608 | 460 | break; |
1a412fb1 SM |
461 | case MLX5_CMD_OP_INIT2RTR_QP: |
462 | if (MBOX_ALLOC(mbox, init2rtr_qp)) | |
463 | return -ENOMEM; | |
9f463608 | 464 | MOD_QP_IN_SET_QPC(init2rtr_qp, mbox->in, opcode, qpn, |
4ac63ec7 | 465 | opt_param_mask, qpc, uid); |
9f463608 | 466 | break; |
1a412fb1 SM |
467 | case MLX5_CMD_OP_RTR2RTS_QP: |
468 | if (MBOX_ALLOC(mbox, rtr2rts_qp)) | |
469 | return -ENOMEM; | |
9f463608 | 470 | MOD_QP_IN_SET_QPC(rtr2rts_qp, mbox->in, opcode, qpn, |
4ac63ec7 | 471 | opt_param_mask, qpc, uid); |
9f463608 | 472 | break; |
1a412fb1 SM |
473 | case MLX5_CMD_OP_RTS2RTS_QP: |
474 | if (MBOX_ALLOC(mbox, rts2rts_qp)) | |
475 | return -ENOMEM; | |
476 | MOD_QP_IN_SET_QPC(rts2rts_qp, mbox->in, opcode, qpn, | |
4ac63ec7 | 477 | opt_param_mask, qpc, uid); |
1a412fb1 SM |
478 | break; |
479 | case MLX5_CMD_OP_SQERR2RTS_QP: | |
480 | if (MBOX_ALLOC(mbox, sqerr2rts_qp)) | |
481 | return -ENOMEM; | |
482 | MOD_QP_IN_SET_QPC(sqerr2rts_qp, mbox->in, opcode, qpn, | |
4ac63ec7 | 483 | opt_param_mask, qpc, uid); |
1a412fb1 SM |
484 | break; |
485 | case MLX5_CMD_OP_INIT2INIT_QP: | |
486 | if (MBOX_ALLOC(mbox, init2init_qp)) | |
487 | return -ENOMEM; | |
488 | MOD_QP_IN_SET_QPC(init2init_qp, mbox->in, opcode, qpn, | |
4ac63ec7 | 489 | opt_param_mask, qpc, uid); |
1a412fb1 SM |
490 | break; |
491 | default: | |
492 | mlx5_core_err(dev, "Unknown transition for modify QP: OP(0x%x) QPN(0x%x)\n", | |
493 | opcode, qpn); | |
494 | return -EINVAL; | |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
499 | int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode, | |
500 | u32 opt_param_mask, void *qpc, | |
e126ba97 EC |
501 | struct mlx5_core_qp *qp) |
502 | { | |
1a412fb1 SM |
503 | struct mbox_info mbox; |
504 | int err; | |
e126ba97 | 505 | |
1a412fb1 | 506 | err = modify_qp_mbox_alloc(dev, opcode, qp->qpn, |
4ac63ec7 | 507 | opt_param_mask, qpc, &mbox, qp->uid); |
e126ba97 EC |
508 | if (err) |
509 | return err; | |
510 | ||
1a412fb1 | 511 | err = mlx5_cmd_exec(dev, mbox.in, mbox.inlen, mbox.out, mbox.outlen); |
1a412fb1 SM |
512 | mbox_free(&mbox); |
513 | return err; | |
e126ba97 EC |
514 | } |
515 | EXPORT_SYMBOL_GPL(mlx5_core_qp_modify); | |
516 | ||
517 | void mlx5_init_qp_table(struct mlx5_core_dev *dev) | |
518 | { | |
519 | struct mlx5_qp_table *table = &dev->priv.qp_table; | |
520 | ||
a31208b1 | 521 | memset(table, 0, sizeof(*table)); |
e126ba97 EC |
522 | spin_lock_init(&table->lock); |
523 | INIT_RADIX_TREE(&table->tree, GFP_ATOMIC); | |
524 | mlx5_qp_debugfs_init(dev); | |
221c14f3 | 525 | |
451be51c SM |
526 | table->nb.notifier_call = rsc_event_notifier; |
527 | mlx5_notifier_register(dev, &table->nb); | |
e126ba97 EC |
528 | } |
529 | ||
530 | void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev) | |
531 | { | |
221c14f3 SM |
532 | struct mlx5_qp_table *table = &dev->priv.qp_table; |
533 | ||
451be51c | 534 | mlx5_notifier_unregister(dev, &table->nb); |
e126ba97 EC |
535 | mlx5_qp_debugfs_cleanup(dev); |
536 | } | |
537 | ||
538 | int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, | |
09a7d9ec | 539 | u32 *out, int outlen) |
e126ba97 | 540 | { |
09a7d9ec | 541 | u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {0}; |
e126ba97 | 542 | |
09a7d9ec SM |
543 | MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP); |
544 | MLX5_SET(query_qp_in, in, qpn, qp->qpn); | |
c4f287c4 | 545 | return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); |
e126ba97 EC |
546 | } |
547 | EXPORT_SYMBOL_GPL(mlx5_core_qp_query); | |
548 | ||
57cda166 MS |
549 | int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct, |
550 | u32 *out, int outlen) | |
551 | { | |
552 | u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {0}; | |
553 | struct mlx5_core_qp *qp = &dct->mqp; | |
554 | ||
555 | MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT); | |
556 | MLX5_SET(query_dct_in, in, dctn, qp->qpn); | |
557 | ||
558 | return mlx5_cmd_exec(dev, (void *)&in, sizeof(in), | |
559 | (void *)out, outlen); | |
560 | } | |
561 | EXPORT_SYMBOL_GPL(mlx5_core_dct_query); | |
562 | ||
e126ba97 EC |
563 | int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn) |
564 | { | |
09a7d9ec SM |
565 | u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {0}; |
566 | u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {0}; | |
e126ba97 EC |
567 | int err; |
568 | ||
09a7d9ec SM |
569 | MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD); |
570 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); | |
09a7d9ec SM |
571 | if (!err) |
572 | *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd); | |
e126ba97 EC |
573 | return err; |
574 | } | |
575 | EXPORT_SYMBOL_GPL(mlx5_core_xrcd_alloc); | |
576 | ||
577 | int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn) | |
578 | { | |
09a7d9ec SM |
579 | u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {0}; |
580 | u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {0}; | |
e126ba97 | 581 | |
09a7d9ec SM |
582 | MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD); |
583 | MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn); | |
c4f287c4 | 584 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
e126ba97 EC |
585 | } |
586 | EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc); | |
e420f0c0 | 587 | |
d269b3af YH |
588 | static void destroy_rq_tracked(struct mlx5_core_dev *dev, u32 rqn, u16 uid) |
589 | { | |
590 | u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {}; | |
591 | u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {}; | |
592 | ||
593 | MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ); | |
594 | MLX5_SET(destroy_rq_in, in, rqn, rqn); | |
595 | MLX5_SET(destroy_rq_in, in, uid, uid); | |
596 | mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); | |
597 | } | |
598 | ||
e2013b21 | 599 | int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen, |
600 | struct mlx5_core_qp *rq) | |
601 | { | |
602 | int err; | |
603 | u32 rqn; | |
604 | ||
605 | err = mlx5_core_create_rq(dev, in, inlen, &rqn); | |
606 | if (err) | |
607 | return err; | |
608 | ||
d269b3af | 609 | rq->uid = MLX5_GET(create_rq_in, in, uid); |
e2013b21 | 610 | rq->qpn = rqn; |
57cda166 | 611 | err = create_resource_common(dev, rq, MLX5_RES_RQ); |
e2013b21 | 612 | if (err) |
613 | goto err_destroy_rq; | |
614 | ||
615 | return 0; | |
616 | ||
617 | err_destroy_rq: | |
d269b3af | 618 | destroy_rq_tracked(dev, rq->qpn, rq->uid); |
e2013b21 | 619 | |
620 | return err; | |
621 | } | |
622 | EXPORT_SYMBOL(mlx5_core_create_rq_tracked); | |
623 | ||
624 | void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev, | |
625 | struct mlx5_core_qp *rq) | |
626 | { | |
57cda166 | 627 | destroy_resource_common(dev, rq); |
d269b3af | 628 | destroy_rq_tracked(dev, rq->qpn, rq->uid); |
e2013b21 | 629 | } |
630 | EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked); | |
631 | ||
430ae0d5 YH |
632 | static void destroy_sq_tracked(struct mlx5_core_dev *dev, u32 sqn, u16 uid) |
633 | { | |
634 | u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {}; | |
635 | u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {}; | |
636 | ||
637 | MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ); | |
638 | MLX5_SET(destroy_sq_in, in, sqn, sqn); | |
639 | MLX5_SET(destroy_sq_in, in, uid, uid); | |
640 | mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); | |
641 | } | |
642 | ||
e2013b21 | 643 | int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen, |
644 | struct mlx5_core_qp *sq) | |
645 | { | |
646 | int err; | |
647 | u32 sqn; | |
648 | ||
649 | err = mlx5_core_create_sq(dev, in, inlen, &sqn); | |
650 | if (err) | |
651 | return err; | |
652 | ||
430ae0d5 | 653 | sq->uid = MLX5_GET(create_sq_in, in, uid); |
e2013b21 | 654 | sq->qpn = sqn; |
57cda166 | 655 | err = create_resource_common(dev, sq, MLX5_RES_SQ); |
e2013b21 | 656 | if (err) |
657 | goto err_destroy_sq; | |
658 | ||
659 | return 0; | |
660 | ||
661 | err_destroy_sq: | |
430ae0d5 | 662 | destroy_sq_tracked(dev, sq->qpn, sq->uid); |
e2013b21 | 663 | |
664 | return err; | |
665 | } | |
666 | EXPORT_SYMBOL(mlx5_core_create_sq_tracked); | |
667 | ||
668 | void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev, | |
669 | struct mlx5_core_qp *sq) | |
670 | { | |
57cda166 | 671 | destroy_resource_common(dev, sq); |
430ae0d5 | 672 | destroy_sq_tracked(dev, sq->qpn, sq->uid); |
e2013b21 | 673 | } |
674 | EXPORT_SYMBOL(mlx5_core_destroy_sq_tracked); | |
237cd218 TT |
675 | |
676 | int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id) | |
677 | { | |
09a7d9ec SM |
678 | u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0}; |
679 | u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0}; | |
237cd218 TT |
680 | int err; |
681 | ||
237cd218 | 682 | MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER); |
c4f287c4 | 683 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
237cd218 TT |
684 | if (!err) |
685 | *counter_id = MLX5_GET(alloc_q_counter_out, out, | |
686 | counter_set_id); | |
687 | return err; | |
688 | } | |
689 | EXPORT_SYMBOL_GPL(mlx5_core_alloc_q_counter); | |
690 | ||
691 | int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id) | |
692 | { | |
09a7d9ec SM |
693 | u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {0}; |
694 | u32 out[MLX5_ST_SZ_DW(dealloc_q_counter_out)] = {0}; | |
237cd218 TT |
695 | |
696 | MLX5_SET(dealloc_q_counter_in, in, opcode, | |
697 | MLX5_CMD_OP_DEALLOC_Q_COUNTER); | |
698 | MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter_id); | |
c4f287c4 | 699 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
237cd218 TT |
700 | } |
701 | EXPORT_SYMBOL_GPL(mlx5_core_dealloc_q_counter); | |
702 | ||
703 | int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id, | |
704 | int reset, void *out, int out_size) | |
705 | { | |
09a7d9ec | 706 | u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0}; |
237cd218 TT |
707 | |
708 | MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER); | |
709 | MLX5_SET(query_q_counter_in, in, clear, reset); | |
710 | MLX5_SET(query_q_counter_in, in, counter_set_id, counter_id); | |
c4f287c4 | 711 | return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); |
237cd218 TT |
712 | } |
713 | EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter); | |
27e95603 MS |
714 | |
715 | struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev, | |
716 | int res_num, | |
717 | enum mlx5_res_type res_type) | |
718 | { | |
719 | u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN); | |
221c14f3 | 720 | struct mlx5_qp_table *table = &dev->priv.qp_table; |
27e95603 | 721 | |
221c14f3 | 722 | return mlx5_get_rsc(table, rsn); |
27e95603 MS |
723 | } |
724 | EXPORT_SYMBOL_GPL(mlx5_core_res_hold); | |
725 | ||
726 | void mlx5_core_res_put(struct mlx5_core_rsc_common *res) | |
727 | { | |
728 | mlx5_core_put_rsc(res); | |
729 | } | |
730 | EXPORT_SYMBOL_GPL(mlx5_core_res_put); |