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c82e9aa0 EC |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
3 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. | |
4 | * All rights reserved. | |
5 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
6 | * | |
7 | * This software is available to you under a choice of one of two | |
8 | * licenses. You may choose to be licensed under the terms of the GNU | |
9 | * General Public License (GPL) Version 2, available from the file | |
10 | * COPYING in the main directory of this source tree, or the | |
11 | * OpenIB.org BSD license below: | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or | |
14 | * without modification, are permitted provided that the following | |
15 | * conditions are met: | |
16 | * | |
17 | * - Redistributions of source code must retain the above | |
18 | * copyright notice, this list of conditions and the following | |
19 | * disclaimer. | |
20 | * | |
21 | * - Redistributions in binary form must reproduce the above | |
22 | * copyright notice, this list of conditions and the following | |
23 | * disclaimer in the documentation and/or other materials | |
24 | * provided with the distribution. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
33 | * SOFTWARE. | |
34 | */ | |
35 | ||
36 | #include <linux/sched.h> | |
37 | #include <linux/pci.h> | |
38 | #include <linux/errno.h> | |
39 | #include <linux/kernel.h> | |
40 | #include <linux/io.h> | |
e143a1ad | 41 | #include <linux/slab.h> |
c82e9aa0 EC |
42 | #include <linux/mlx4/cmd.h> |
43 | #include <linux/mlx4/qp.h> | |
af22d9de | 44 | #include <linux/if_ether.h> |
c82e9aa0 EC |
45 | |
46 | #include "mlx4.h" | |
47 | #include "fw.h" | |
48 | ||
49 | #define MLX4_MAC_VALID (1ull << 63) | |
c82e9aa0 EC |
50 | |
51 | struct mac_res { | |
52 | struct list_head list; | |
53 | u64 mac; | |
54 | u8 port; | |
55 | }; | |
56 | ||
57 | struct res_common { | |
58 | struct list_head list; | |
4af1c048 | 59 | struct rb_node node; |
aa1ec3dd | 60 | u64 res_id; |
c82e9aa0 EC |
61 | int owner; |
62 | int state; | |
63 | int from_state; | |
64 | int to_state; | |
65 | int removing; | |
66 | }; | |
67 | ||
68 | enum { | |
69 | RES_ANY_BUSY = 1 | |
70 | }; | |
71 | ||
72 | struct res_gid { | |
73 | struct list_head list; | |
74 | u8 gid[16]; | |
75 | enum mlx4_protocol prot; | |
9f5b6c63 | 76 | enum mlx4_steer_type steer; |
c82e9aa0 EC |
77 | }; |
78 | ||
79 | enum res_qp_states { | |
80 | RES_QP_BUSY = RES_ANY_BUSY, | |
81 | ||
82 | /* QP number was allocated */ | |
83 | RES_QP_RESERVED, | |
84 | ||
85 | /* ICM memory for QP context was mapped */ | |
86 | RES_QP_MAPPED, | |
87 | ||
88 | /* QP is in hw ownership */ | |
89 | RES_QP_HW | |
90 | }; | |
91 | ||
c82e9aa0 EC |
92 | struct res_qp { |
93 | struct res_common com; | |
94 | struct res_mtt *mtt; | |
95 | struct res_cq *rcq; | |
96 | struct res_cq *scq; | |
97 | struct res_srq *srq; | |
98 | struct list_head mcg_list; | |
99 | spinlock_t mcg_spl; | |
100 | int local_qpn; | |
101 | }; | |
102 | ||
103 | enum res_mtt_states { | |
104 | RES_MTT_BUSY = RES_ANY_BUSY, | |
105 | RES_MTT_ALLOCATED, | |
106 | }; | |
107 | ||
108 | static inline const char *mtt_states_str(enum res_mtt_states state) | |
109 | { | |
110 | switch (state) { | |
111 | case RES_MTT_BUSY: return "RES_MTT_BUSY"; | |
112 | case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; | |
113 | default: return "Unknown"; | |
114 | } | |
115 | } | |
116 | ||
117 | struct res_mtt { | |
118 | struct res_common com; | |
119 | int order; | |
120 | atomic_t ref_count; | |
121 | }; | |
122 | ||
123 | enum res_mpt_states { | |
124 | RES_MPT_BUSY = RES_ANY_BUSY, | |
125 | RES_MPT_RESERVED, | |
126 | RES_MPT_MAPPED, | |
127 | RES_MPT_HW, | |
128 | }; | |
129 | ||
130 | struct res_mpt { | |
131 | struct res_common com; | |
132 | struct res_mtt *mtt; | |
133 | int key; | |
134 | }; | |
135 | ||
136 | enum res_eq_states { | |
137 | RES_EQ_BUSY = RES_ANY_BUSY, | |
138 | RES_EQ_RESERVED, | |
139 | RES_EQ_HW, | |
140 | }; | |
141 | ||
142 | struct res_eq { | |
143 | struct res_common com; | |
144 | struct res_mtt *mtt; | |
145 | }; | |
146 | ||
147 | enum res_cq_states { | |
148 | RES_CQ_BUSY = RES_ANY_BUSY, | |
149 | RES_CQ_ALLOCATED, | |
150 | RES_CQ_HW, | |
151 | }; | |
152 | ||
153 | struct res_cq { | |
154 | struct res_common com; | |
155 | struct res_mtt *mtt; | |
156 | atomic_t ref_count; | |
157 | }; | |
158 | ||
159 | enum res_srq_states { | |
160 | RES_SRQ_BUSY = RES_ANY_BUSY, | |
161 | RES_SRQ_ALLOCATED, | |
162 | RES_SRQ_HW, | |
163 | }; | |
164 | ||
c82e9aa0 EC |
165 | struct res_srq { |
166 | struct res_common com; | |
167 | struct res_mtt *mtt; | |
168 | struct res_cq *cq; | |
169 | atomic_t ref_count; | |
170 | }; | |
171 | ||
172 | enum res_counter_states { | |
173 | RES_COUNTER_BUSY = RES_ANY_BUSY, | |
174 | RES_COUNTER_ALLOCATED, | |
175 | }; | |
176 | ||
c82e9aa0 EC |
177 | struct res_counter { |
178 | struct res_common com; | |
179 | int port; | |
180 | }; | |
181 | ||
ba062d52 JM |
182 | enum res_xrcdn_states { |
183 | RES_XRCD_BUSY = RES_ANY_BUSY, | |
184 | RES_XRCD_ALLOCATED, | |
185 | }; | |
186 | ||
187 | struct res_xrcdn { | |
188 | struct res_common com; | |
189 | int port; | |
190 | }; | |
191 | ||
1b9c6b06 HHZ |
192 | enum res_fs_rule_states { |
193 | RES_FS_RULE_BUSY = RES_ANY_BUSY, | |
194 | RES_FS_RULE_ALLOCATED, | |
195 | }; | |
196 | ||
197 | struct res_fs_rule { | |
198 | struct res_common com; | |
199 | }; | |
200 | ||
4af1c048 HHZ |
201 | static void *res_tracker_lookup(struct rb_root *root, u64 res_id) |
202 | { | |
203 | struct rb_node *node = root->rb_node; | |
204 | ||
205 | while (node) { | |
206 | struct res_common *res = container_of(node, struct res_common, | |
207 | node); | |
208 | ||
209 | if (res_id < res->res_id) | |
210 | node = node->rb_left; | |
211 | else if (res_id > res->res_id) | |
212 | node = node->rb_right; | |
213 | else | |
214 | return res; | |
215 | } | |
216 | return NULL; | |
217 | } | |
218 | ||
219 | static int res_tracker_insert(struct rb_root *root, struct res_common *res) | |
220 | { | |
221 | struct rb_node **new = &(root->rb_node), *parent = NULL; | |
222 | ||
223 | /* Figure out where to put new node */ | |
224 | while (*new) { | |
225 | struct res_common *this = container_of(*new, struct res_common, | |
226 | node); | |
227 | ||
228 | parent = *new; | |
229 | if (res->res_id < this->res_id) | |
230 | new = &((*new)->rb_left); | |
231 | else if (res->res_id > this->res_id) | |
232 | new = &((*new)->rb_right); | |
233 | else | |
234 | return -EEXIST; | |
235 | } | |
236 | ||
237 | /* Add new node and rebalance tree. */ | |
238 | rb_link_node(&res->node, parent, new); | |
239 | rb_insert_color(&res->node, root); | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
c82e9aa0 EC |
244 | /* For Debug uses */ |
245 | static const char *ResourceType(enum mlx4_resource rt) | |
246 | { | |
247 | switch (rt) { | |
248 | case RES_QP: return "RES_QP"; | |
249 | case RES_CQ: return "RES_CQ"; | |
250 | case RES_SRQ: return "RES_SRQ"; | |
251 | case RES_MPT: return "RES_MPT"; | |
252 | case RES_MTT: return "RES_MTT"; | |
253 | case RES_MAC: return "RES_MAC"; | |
254 | case RES_EQ: return "RES_EQ"; | |
255 | case RES_COUNTER: return "RES_COUNTER"; | |
1b9c6b06 | 256 | case RES_FS_RULE: return "RES_FS_RULE"; |
ba062d52 | 257 | case RES_XRCD: return "RES_XRCD"; |
c82e9aa0 EC |
258 | default: return "Unknown resource type !!!"; |
259 | }; | |
260 | } | |
261 | ||
c82e9aa0 EC |
262 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
263 | { | |
264 | struct mlx4_priv *priv = mlx4_priv(dev); | |
265 | int i; | |
266 | int t; | |
267 | ||
268 | priv->mfunc.master.res_tracker.slave_list = | |
269 | kzalloc(dev->num_slaves * sizeof(struct slave_list), | |
270 | GFP_KERNEL); | |
271 | if (!priv->mfunc.master.res_tracker.slave_list) | |
272 | return -ENOMEM; | |
273 | ||
274 | for (i = 0 ; i < dev->num_slaves; i++) { | |
275 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) | |
276 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. | |
277 | slave_list[i].res_list[t]); | |
278 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
279 | } | |
280 | ||
281 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", | |
282 | dev->num_slaves); | |
283 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) | |
4af1c048 | 284 | priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; |
c82e9aa0 EC |
285 | |
286 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); | |
287 | return 0 ; | |
288 | } | |
289 | ||
b8924951 JM |
290 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
291 | enum mlx4_res_tracker_free_type type) | |
c82e9aa0 EC |
292 | { |
293 | struct mlx4_priv *priv = mlx4_priv(dev); | |
294 | int i; | |
295 | ||
296 | if (priv->mfunc.master.res_tracker.slave_list) { | |
b8924951 JM |
297 | if (type != RES_TR_FREE_STRUCTS_ONLY) |
298 | for (i = 0 ; i < dev->num_slaves; i++) | |
299 | if (type == RES_TR_FREE_ALL || | |
300 | dev->caps.function != i) | |
301 | mlx4_delete_all_resources_for_slave(dev, i); | |
302 | ||
303 | if (type != RES_TR_FREE_SLAVES_ONLY) { | |
304 | kfree(priv->mfunc.master.res_tracker.slave_list); | |
305 | priv->mfunc.master.res_tracker.slave_list = NULL; | |
306 | } | |
c82e9aa0 EC |
307 | } |
308 | } | |
309 | ||
310 | static void update_ud_gid(struct mlx4_dev *dev, | |
311 | struct mlx4_qp_context *qp_ctx, u8 slave) | |
312 | { | |
313 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
314 | ||
315 | if (MLX4_QP_ST_UD == ts) | |
316 | qp_ctx->pri_path.mgid_index = 0x80 | slave; | |
317 | ||
318 | mlx4_dbg(dev, "slave %d, new gid index: 0x%x ", | |
319 | slave, qp_ctx->pri_path.mgid_index); | |
320 | } | |
321 | ||
322 | static int mpt_mask(struct mlx4_dev *dev) | |
323 | { | |
324 | return dev->caps.num_mpts - 1; | |
325 | } | |
326 | ||
327 | static void *find_res(struct mlx4_dev *dev, int res_id, | |
328 | enum mlx4_resource type) | |
329 | { | |
330 | struct mlx4_priv *priv = mlx4_priv(dev); | |
331 | ||
4af1c048 HHZ |
332 | return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], |
333 | res_id); | |
c82e9aa0 EC |
334 | } |
335 | ||
aa1ec3dd | 336 | static int get_res(struct mlx4_dev *dev, int slave, u64 res_id, |
c82e9aa0 EC |
337 | enum mlx4_resource type, |
338 | void *res) | |
339 | { | |
340 | struct res_common *r; | |
341 | int err = 0; | |
342 | ||
343 | spin_lock_irq(mlx4_tlock(dev)); | |
344 | r = find_res(dev, res_id, type); | |
345 | if (!r) { | |
346 | err = -ENONET; | |
347 | goto exit; | |
348 | } | |
349 | ||
350 | if (r->state == RES_ANY_BUSY) { | |
351 | err = -EBUSY; | |
352 | goto exit; | |
353 | } | |
354 | ||
355 | if (r->owner != slave) { | |
356 | err = -EPERM; | |
357 | goto exit; | |
358 | } | |
359 | ||
360 | r->from_state = r->state; | |
361 | r->state = RES_ANY_BUSY; | |
aa1ec3dd | 362 | mlx4_dbg(dev, "res %s id 0x%llx to busy\n", |
c82e9aa0 EC |
363 | ResourceType(type), r->res_id); |
364 | ||
365 | if (res) | |
366 | *((struct res_common **)res) = r; | |
367 | ||
368 | exit: | |
369 | spin_unlock_irq(mlx4_tlock(dev)); | |
370 | return err; | |
371 | } | |
372 | ||
373 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, | |
374 | enum mlx4_resource type, | |
aa1ec3dd | 375 | u64 res_id, int *slave) |
c82e9aa0 EC |
376 | { |
377 | ||
378 | struct res_common *r; | |
379 | int err = -ENOENT; | |
380 | int id = res_id; | |
381 | ||
382 | if (type == RES_QP) | |
383 | id &= 0x7fffff; | |
996b0541 | 384 | spin_lock(mlx4_tlock(dev)); |
c82e9aa0 EC |
385 | |
386 | r = find_res(dev, id, type); | |
387 | if (r) { | |
388 | *slave = r->owner; | |
389 | err = 0; | |
390 | } | |
996b0541 | 391 | spin_unlock(mlx4_tlock(dev)); |
c82e9aa0 EC |
392 | |
393 | return err; | |
394 | } | |
395 | ||
aa1ec3dd | 396 | static void put_res(struct mlx4_dev *dev, int slave, u64 res_id, |
c82e9aa0 EC |
397 | enum mlx4_resource type) |
398 | { | |
399 | struct res_common *r; | |
400 | ||
401 | spin_lock_irq(mlx4_tlock(dev)); | |
402 | r = find_res(dev, res_id, type); | |
403 | if (r) | |
404 | r->state = r->from_state; | |
405 | spin_unlock_irq(mlx4_tlock(dev)); | |
406 | } | |
407 | ||
408 | static struct res_common *alloc_qp_tr(int id) | |
409 | { | |
410 | struct res_qp *ret; | |
411 | ||
412 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
413 | if (!ret) | |
414 | return NULL; | |
415 | ||
416 | ret->com.res_id = id; | |
417 | ret->com.state = RES_QP_RESERVED; | |
2531188b | 418 | ret->local_qpn = id; |
c82e9aa0 EC |
419 | INIT_LIST_HEAD(&ret->mcg_list); |
420 | spin_lock_init(&ret->mcg_spl); | |
421 | ||
422 | return &ret->com; | |
423 | } | |
424 | ||
425 | static struct res_common *alloc_mtt_tr(int id, int order) | |
426 | { | |
427 | struct res_mtt *ret; | |
428 | ||
429 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
430 | if (!ret) | |
431 | return NULL; | |
432 | ||
433 | ret->com.res_id = id; | |
434 | ret->order = order; | |
435 | ret->com.state = RES_MTT_ALLOCATED; | |
436 | atomic_set(&ret->ref_count, 0); | |
437 | ||
438 | return &ret->com; | |
439 | } | |
440 | ||
441 | static struct res_common *alloc_mpt_tr(int id, int key) | |
442 | { | |
443 | struct res_mpt *ret; | |
444 | ||
445 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
446 | if (!ret) | |
447 | return NULL; | |
448 | ||
449 | ret->com.res_id = id; | |
450 | ret->com.state = RES_MPT_RESERVED; | |
451 | ret->key = key; | |
452 | ||
453 | return &ret->com; | |
454 | } | |
455 | ||
456 | static struct res_common *alloc_eq_tr(int id) | |
457 | { | |
458 | struct res_eq *ret; | |
459 | ||
460 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
461 | if (!ret) | |
462 | return NULL; | |
463 | ||
464 | ret->com.res_id = id; | |
465 | ret->com.state = RES_EQ_RESERVED; | |
466 | ||
467 | return &ret->com; | |
468 | } | |
469 | ||
470 | static struct res_common *alloc_cq_tr(int id) | |
471 | { | |
472 | struct res_cq *ret; | |
473 | ||
474 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
475 | if (!ret) | |
476 | return NULL; | |
477 | ||
478 | ret->com.res_id = id; | |
479 | ret->com.state = RES_CQ_ALLOCATED; | |
480 | atomic_set(&ret->ref_count, 0); | |
481 | ||
482 | return &ret->com; | |
483 | } | |
484 | ||
485 | static struct res_common *alloc_srq_tr(int id) | |
486 | { | |
487 | struct res_srq *ret; | |
488 | ||
489 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
490 | if (!ret) | |
491 | return NULL; | |
492 | ||
493 | ret->com.res_id = id; | |
494 | ret->com.state = RES_SRQ_ALLOCATED; | |
495 | atomic_set(&ret->ref_count, 0); | |
496 | ||
497 | return &ret->com; | |
498 | } | |
499 | ||
500 | static struct res_common *alloc_counter_tr(int id) | |
501 | { | |
502 | struct res_counter *ret; | |
503 | ||
504 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
505 | if (!ret) | |
506 | return NULL; | |
507 | ||
508 | ret->com.res_id = id; | |
509 | ret->com.state = RES_COUNTER_ALLOCATED; | |
510 | ||
511 | return &ret->com; | |
512 | } | |
513 | ||
ba062d52 JM |
514 | static struct res_common *alloc_xrcdn_tr(int id) |
515 | { | |
516 | struct res_xrcdn *ret; | |
517 | ||
518 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
519 | if (!ret) | |
520 | return NULL; | |
521 | ||
522 | ret->com.res_id = id; | |
523 | ret->com.state = RES_XRCD_ALLOCATED; | |
524 | ||
525 | return &ret->com; | |
526 | } | |
527 | ||
1b9c6b06 HHZ |
528 | static struct res_common *alloc_fs_rule_tr(u64 id) |
529 | { | |
530 | struct res_fs_rule *ret; | |
531 | ||
532 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
533 | if (!ret) | |
534 | return NULL; | |
535 | ||
536 | ret->com.res_id = id; | |
537 | ret->com.state = RES_FS_RULE_ALLOCATED; | |
538 | ||
539 | return &ret->com; | |
540 | } | |
541 | ||
aa1ec3dd | 542 | static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, |
c82e9aa0 EC |
543 | int extra) |
544 | { | |
545 | struct res_common *ret; | |
546 | ||
547 | switch (type) { | |
548 | case RES_QP: | |
549 | ret = alloc_qp_tr(id); | |
550 | break; | |
551 | case RES_MPT: | |
552 | ret = alloc_mpt_tr(id, extra); | |
553 | break; | |
554 | case RES_MTT: | |
555 | ret = alloc_mtt_tr(id, extra); | |
556 | break; | |
557 | case RES_EQ: | |
558 | ret = alloc_eq_tr(id); | |
559 | break; | |
560 | case RES_CQ: | |
561 | ret = alloc_cq_tr(id); | |
562 | break; | |
563 | case RES_SRQ: | |
564 | ret = alloc_srq_tr(id); | |
565 | break; | |
566 | case RES_MAC: | |
567 | printk(KERN_ERR "implementation missing\n"); | |
568 | return NULL; | |
569 | case RES_COUNTER: | |
570 | ret = alloc_counter_tr(id); | |
571 | break; | |
ba062d52 JM |
572 | case RES_XRCD: |
573 | ret = alloc_xrcdn_tr(id); | |
574 | break; | |
1b9c6b06 HHZ |
575 | case RES_FS_RULE: |
576 | ret = alloc_fs_rule_tr(id); | |
577 | break; | |
c82e9aa0 EC |
578 | default: |
579 | return NULL; | |
580 | } | |
581 | if (ret) | |
582 | ret->owner = slave; | |
583 | ||
584 | return ret; | |
585 | } | |
586 | ||
aa1ec3dd | 587 | static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
588 | enum mlx4_resource type, int extra) |
589 | { | |
590 | int i; | |
591 | int err; | |
592 | struct mlx4_priv *priv = mlx4_priv(dev); | |
593 | struct res_common **res_arr; | |
594 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4af1c048 | 595 | struct rb_root *root = &tracker->res_tree[type]; |
c82e9aa0 EC |
596 | |
597 | res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL); | |
598 | if (!res_arr) | |
599 | return -ENOMEM; | |
600 | ||
601 | for (i = 0; i < count; ++i) { | |
602 | res_arr[i] = alloc_tr(base + i, type, slave, extra); | |
603 | if (!res_arr[i]) { | |
604 | for (--i; i >= 0; --i) | |
605 | kfree(res_arr[i]); | |
606 | ||
607 | kfree(res_arr); | |
608 | return -ENOMEM; | |
609 | } | |
610 | } | |
611 | ||
612 | spin_lock_irq(mlx4_tlock(dev)); | |
613 | for (i = 0; i < count; ++i) { | |
614 | if (find_res(dev, base + i, type)) { | |
615 | err = -EEXIST; | |
616 | goto undo; | |
617 | } | |
4af1c048 | 618 | err = res_tracker_insert(root, res_arr[i]); |
c82e9aa0 EC |
619 | if (err) |
620 | goto undo; | |
621 | list_add_tail(&res_arr[i]->list, | |
622 | &tracker->slave_list[slave].res_list[type]); | |
623 | } | |
624 | spin_unlock_irq(mlx4_tlock(dev)); | |
625 | kfree(res_arr); | |
626 | ||
627 | return 0; | |
628 | ||
629 | undo: | |
630 | for (--i; i >= base; --i) | |
4af1c048 | 631 | rb_erase(&res_arr[i]->node, root); |
c82e9aa0 EC |
632 | |
633 | spin_unlock_irq(mlx4_tlock(dev)); | |
634 | ||
635 | for (i = 0; i < count; ++i) | |
636 | kfree(res_arr[i]); | |
637 | ||
638 | kfree(res_arr); | |
639 | ||
640 | return err; | |
641 | } | |
642 | ||
643 | static int remove_qp_ok(struct res_qp *res) | |
644 | { | |
645 | if (res->com.state == RES_QP_BUSY) | |
646 | return -EBUSY; | |
647 | else if (res->com.state != RES_QP_RESERVED) | |
648 | return -EPERM; | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
653 | static int remove_mtt_ok(struct res_mtt *res, int order) | |
654 | { | |
655 | if (res->com.state == RES_MTT_BUSY || | |
656 | atomic_read(&res->ref_count)) { | |
657 | printk(KERN_DEBUG "%s-%d: state %s, ref_count %d\n", | |
658 | __func__, __LINE__, | |
659 | mtt_states_str(res->com.state), | |
660 | atomic_read(&res->ref_count)); | |
661 | return -EBUSY; | |
662 | } else if (res->com.state != RES_MTT_ALLOCATED) | |
663 | return -EPERM; | |
664 | else if (res->order != order) | |
665 | return -EINVAL; | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | static int remove_mpt_ok(struct res_mpt *res) | |
671 | { | |
672 | if (res->com.state == RES_MPT_BUSY) | |
673 | return -EBUSY; | |
674 | else if (res->com.state != RES_MPT_RESERVED) | |
675 | return -EPERM; | |
676 | ||
677 | return 0; | |
678 | } | |
679 | ||
680 | static int remove_eq_ok(struct res_eq *res) | |
681 | { | |
682 | if (res->com.state == RES_MPT_BUSY) | |
683 | return -EBUSY; | |
684 | else if (res->com.state != RES_MPT_RESERVED) | |
685 | return -EPERM; | |
686 | ||
687 | return 0; | |
688 | } | |
689 | ||
690 | static int remove_counter_ok(struct res_counter *res) | |
691 | { | |
692 | if (res->com.state == RES_COUNTER_BUSY) | |
693 | return -EBUSY; | |
694 | else if (res->com.state != RES_COUNTER_ALLOCATED) | |
695 | return -EPERM; | |
696 | ||
697 | return 0; | |
698 | } | |
699 | ||
ba062d52 JM |
700 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
701 | { | |
702 | if (res->com.state == RES_XRCD_BUSY) | |
703 | return -EBUSY; | |
704 | else if (res->com.state != RES_XRCD_ALLOCATED) | |
705 | return -EPERM; | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
1b9c6b06 HHZ |
710 | static int remove_fs_rule_ok(struct res_fs_rule *res) |
711 | { | |
712 | if (res->com.state == RES_FS_RULE_BUSY) | |
713 | return -EBUSY; | |
714 | else if (res->com.state != RES_FS_RULE_ALLOCATED) | |
715 | return -EPERM; | |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
c82e9aa0 EC |
720 | static int remove_cq_ok(struct res_cq *res) |
721 | { | |
722 | if (res->com.state == RES_CQ_BUSY) | |
723 | return -EBUSY; | |
724 | else if (res->com.state != RES_CQ_ALLOCATED) | |
725 | return -EPERM; | |
726 | ||
727 | return 0; | |
728 | } | |
729 | ||
730 | static int remove_srq_ok(struct res_srq *res) | |
731 | { | |
732 | if (res->com.state == RES_SRQ_BUSY) | |
733 | return -EBUSY; | |
734 | else if (res->com.state != RES_SRQ_ALLOCATED) | |
735 | return -EPERM; | |
736 | ||
737 | return 0; | |
738 | } | |
739 | ||
740 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) | |
741 | { | |
742 | switch (type) { | |
743 | case RES_QP: | |
744 | return remove_qp_ok((struct res_qp *)res); | |
745 | case RES_CQ: | |
746 | return remove_cq_ok((struct res_cq *)res); | |
747 | case RES_SRQ: | |
748 | return remove_srq_ok((struct res_srq *)res); | |
749 | case RES_MPT: | |
750 | return remove_mpt_ok((struct res_mpt *)res); | |
751 | case RES_MTT: | |
752 | return remove_mtt_ok((struct res_mtt *)res, extra); | |
753 | case RES_MAC: | |
754 | return -ENOSYS; | |
755 | case RES_EQ: | |
756 | return remove_eq_ok((struct res_eq *)res); | |
757 | case RES_COUNTER: | |
758 | return remove_counter_ok((struct res_counter *)res); | |
ba062d52 JM |
759 | case RES_XRCD: |
760 | return remove_xrcdn_ok((struct res_xrcdn *)res); | |
1b9c6b06 HHZ |
761 | case RES_FS_RULE: |
762 | return remove_fs_rule_ok((struct res_fs_rule *)res); | |
c82e9aa0 EC |
763 | default: |
764 | return -EINVAL; | |
765 | } | |
766 | } | |
767 | ||
aa1ec3dd | 768 | static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
769 | enum mlx4_resource type, int extra) |
770 | { | |
aa1ec3dd | 771 | u64 i; |
c82e9aa0 EC |
772 | int err; |
773 | struct mlx4_priv *priv = mlx4_priv(dev); | |
774 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
775 | struct res_common *r; | |
776 | ||
777 | spin_lock_irq(mlx4_tlock(dev)); | |
778 | for (i = base; i < base + count; ++i) { | |
4af1c048 | 779 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
c82e9aa0 EC |
780 | if (!r) { |
781 | err = -ENOENT; | |
782 | goto out; | |
783 | } | |
784 | if (r->owner != slave) { | |
785 | err = -EPERM; | |
786 | goto out; | |
787 | } | |
788 | err = remove_ok(r, type, extra); | |
789 | if (err) | |
790 | goto out; | |
791 | } | |
792 | ||
793 | for (i = base; i < base + count; ++i) { | |
4af1c048 HHZ |
794 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
795 | rb_erase(&r->node, &tracker->res_tree[type]); | |
c82e9aa0 EC |
796 | list_del(&r->list); |
797 | kfree(r); | |
798 | } | |
799 | err = 0; | |
800 | ||
801 | out: | |
802 | spin_unlock_irq(mlx4_tlock(dev)); | |
803 | ||
804 | return err; | |
805 | } | |
806 | ||
807 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, | |
808 | enum res_qp_states state, struct res_qp **qp, | |
809 | int alloc) | |
810 | { | |
811 | struct mlx4_priv *priv = mlx4_priv(dev); | |
812 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
813 | struct res_qp *r; | |
814 | int err = 0; | |
815 | ||
816 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 817 | r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); |
c82e9aa0 EC |
818 | if (!r) |
819 | err = -ENOENT; | |
820 | else if (r->com.owner != slave) | |
821 | err = -EPERM; | |
822 | else { | |
823 | switch (state) { | |
824 | case RES_QP_BUSY: | |
aa1ec3dd | 825 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
826 | __func__, r->com.res_id); |
827 | err = -EBUSY; | |
828 | break; | |
829 | ||
830 | case RES_QP_RESERVED: | |
831 | if (r->com.state == RES_QP_MAPPED && !alloc) | |
832 | break; | |
833 | ||
aa1ec3dd | 834 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); |
c82e9aa0 EC |
835 | err = -EINVAL; |
836 | break; | |
837 | ||
838 | case RES_QP_MAPPED: | |
839 | if ((r->com.state == RES_QP_RESERVED && alloc) || | |
840 | r->com.state == RES_QP_HW) | |
841 | break; | |
842 | else { | |
aa1ec3dd | 843 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
844 | r->com.res_id); |
845 | err = -EINVAL; | |
846 | } | |
847 | ||
848 | break; | |
849 | ||
850 | case RES_QP_HW: | |
851 | if (r->com.state != RES_QP_MAPPED) | |
852 | err = -EINVAL; | |
853 | break; | |
854 | default: | |
855 | err = -EINVAL; | |
856 | } | |
857 | ||
858 | if (!err) { | |
859 | r->com.from_state = r->com.state; | |
860 | r->com.to_state = state; | |
861 | r->com.state = RES_QP_BUSY; | |
862 | if (qp) | |
64699336 | 863 | *qp = r; |
c82e9aa0 EC |
864 | } |
865 | } | |
866 | ||
867 | spin_unlock_irq(mlx4_tlock(dev)); | |
868 | ||
869 | return err; | |
870 | } | |
871 | ||
872 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
873 | enum res_mpt_states state, struct res_mpt **mpt) | |
874 | { | |
875 | struct mlx4_priv *priv = mlx4_priv(dev); | |
876 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
877 | struct res_mpt *r; | |
878 | int err = 0; | |
879 | ||
880 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 881 | r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); |
c82e9aa0 EC |
882 | if (!r) |
883 | err = -ENOENT; | |
884 | else if (r->com.owner != slave) | |
885 | err = -EPERM; | |
886 | else { | |
887 | switch (state) { | |
888 | case RES_MPT_BUSY: | |
889 | err = -EINVAL; | |
890 | break; | |
891 | ||
892 | case RES_MPT_RESERVED: | |
893 | if (r->com.state != RES_MPT_MAPPED) | |
894 | err = -EINVAL; | |
895 | break; | |
896 | ||
897 | case RES_MPT_MAPPED: | |
898 | if (r->com.state != RES_MPT_RESERVED && | |
899 | r->com.state != RES_MPT_HW) | |
900 | err = -EINVAL; | |
901 | break; | |
902 | ||
903 | case RES_MPT_HW: | |
904 | if (r->com.state != RES_MPT_MAPPED) | |
905 | err = -EINVAL; | |
906 | break; | |
907 | default: | |
908 | err = -EINVAL; | |
909 | } | |
910 | ||
911 | if (!err) { | |
912 | r->com.from_state = r->com.state; | |
913 | r->com.to_state = state; | |
914 | r->com.state = RES_MPT_BUSY; | |
915 | if (mpt) | |
64699336 | 916 | *mpt = r; |
c82e9aa0 EC |
917 | } |
918 | } | |
919 | ||
920 | spin_unlock_irq(mlx4_tlock(dev)); | |
921 | ||
922 | return err; | |
923 | } | |
924 | ||
925 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
926 | enum res_eq_states state, struct res_eq **eq) | |
927 | { | |
928 | struct mlx4_priv *priv = mlx4_priv(dev); | |
929 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
930 | struct res_eq *r; | |
931 | int err = 0; | |
932 | ||
933 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 934 | r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); |
c82e9aa0 EC |
935 | if (!r) |
936 | err = -ENOENT; | |
937 | else if (r->com.owner != slave) | |
938 | err = -EPERM; | |
939 | else { | |
940 | switch (state) { | |
941 | case RES_EQ_BUSY: | |
942 | err = -EINVAL; | |
943 | break; | |
944 | ||
945 | case RES_EQ_RESERVED: | |
946 | if (r->com.state != RES_EQ_HW) | |
947 | err = -EINVAL; | |
948 | break; | |
949 | ||
950 | case RES_EQ_HW: | |
951 | if (r->com.state != RES_EQ_RESERVED) | |
952 | err = -EINVAL; | |
953 | break; | |
954 | ||
955 | default: | |
956 | err = -EINVAL; | |
957 | } | |
958 | ||
959 | if (!err) { | |
960 | r->com.from_state = r->com.state; | |
961 | r->com.to_state = state; | |
962 | r->com.state = RES_EQ_BUSY; | |
963 | if (eq) | |
964 | *eq = r; | |
965 | } | |
966 | } | |
967 | ||
968 | spin_unlock_irq(mlx4_tlock(dev)); | |
969 | ||
970 | return err; | |
971 | } | |
972 | ||
973 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, | |
974 | enum res_cq_states state, struct res_cq **cq) | |
975 | { | |
976 | struct mlx4_priv *priv = mlx4_priv(dev); | |
977 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
978 | struct res_cq *r; | |
979 | int err; | |
980 | ||
981 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 982 | r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); |
c82e9aa0 EC |
983 | if (!r) |
984 | err = -ENOENT; | |
985 | else if (r->com.owner != slave) | |
986 | err = -EPERM; | |
987 | else { | |
988 | switch (state) { | |
989 | case RES_CQ_BUSY: | |
990 | err = -EBUSY; | |
991 | break; | |
992 | ||
993 | case RES_CQ_ALLOCATED: | |
994 | if (r->com.state != RES_CQ_HW) | |
995 | err = -EINVAL; | |
996 | else if (atomic_read(&r->ref_count)) | |
997 | err = -EBUSY; | |
998 | else | |
999 | err = 0; | |
1000 | break; | |
1001 | ||
1002 | case RES_CQ_HW: | |
1003 | if (r->com.state != RES_CQ_ALLOCATED) | |
1004 | err = -EINVAL; | |
1005 | else | |
1006 | err = 0; | |
1007 | break; | |
1008 | ||
1009 | default: | |
1010 | err = -EINVAL; | |
1011 | } | |
1012 | ||
1013 | if (!err) { | |
1014 | r->com.from_state = r->com.state; | |
1015 | r->com.to_state = state; | |
1016 | r->com.state = RES_CQ_BUSY; | |
1017 | if (cq) | |
1018 | *cq = r; | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | spin_unlock_irq(mlx4_tlock(dev)); | |
1023 | ||
1024 | return err; | |
1025 | } | |
1026 | ||
1027 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
1028 | enum res_cq_states state, struct res_srq **srq) | |
1029 | { | |
1030 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1031 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1032 | struct res_srq *r; | |
1033 | int err = 0; | |
1034 | ||
1035 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1036 | r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); |
c82e9aa0 EC |
1037 | if (!r) |
1038 | err = -ENOENT; | |
1039 | else if (r->com.owner != slave) | |
1040 | err = -EPERM; | |
1041 | else { | |
1042 | switch (state) { | |
1043 | case RES_SRQ_BUSY: | |
1044 | err = -EINVAL; | |
1045 | break; | |
1046 | ||
1047 | case RES_SRQ_ALLOCATED: | |
1048 | if (r->com.state != RES_SRQ_HW) | |
1049 | err = -EINVAL; | |
1050 | else if (atomic_read(&r->ref_count)) | |
1051 | err = -EBUSY; | |
1052 | break; | |
1053 | ||
1054 | case RES_SRQ_HW: | |
1055 | if (r->com.state != RES_SRQ_ALLOCATED) | |
1056 | err = -EINVAL; | |
1057 | break; | |
1058 | ||
1059 | default: | |
1060 | err = -EINVAL; | |
1061 | } | |
1062 | ||
1063 | if (!err) { | |
1064 | r->com.from_state = r->com.state; | |
1065 | r->com.to_state = state; | |
1066 | r->com.state = RES_SRQ_BUSY; | |
1067 | if (srq) | |
1068 | *srq = r; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | spin_unlock_irq(mlx4_tlock(dev)); | |
1073 | ||
1074 | return err; | |
1075 | } | |
1076 | ||
1077 | static void res_abort_move(struct mlx4_dev *dev, int slave, | |
1078 | enum mlx4_resource type, int id) | |
1079 | { | |
1080 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1081 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1082 | struct res_common *r; | |
1083 | ||
1084 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1085 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1086 | if (r && (r->owner == slave)) |
1087 | r->state = r->from_state; | |
1088 | spin_unlock_irq(mlx4_tlock(dev)); | |
1089 | } | |
1090 | ||
1091 | static void res_end_move(struct mlx4_dev *dev, int slave, | |
1092 | enum mlx4_resource type, int id) | |
1093 | { | |
1094 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1095 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1096 | struct res_common *r; | |
1097 | ||
1098 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1099 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1100 | if (r && (r->owner == slave)) |
1101 | r->state = r->to_state; | |
1102 | spin_unlock_irq(mlx4_tlock(dev)); | |
1103 | } | |
1104 | ||
1105 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) | |
1106 | { | |
1107 | return mlx4_is_qp_reserved(dev, qpn); | |
1108 | } | |
1109 | ||
1110 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1111 | u64 in_param, u64 *out_param) | |
1112 | { | |
1113 | int err; | |
1114 | int count; | |
1115 | int align; | |
1116 | int base; | |
1117 | int qpn; | |
1118 | ||
1119 | switch (op) { | |
1120 | case RES_OP_RESERVE: | |
1121 | count = get_param_l(&in_param); | |
1122 | align = get_param_h(&in_param); | |
1123 | err = __mlx4_qp_reserve_range(dev, count, align, &base); | |
1124 | if (err) | |
1125 | return err; | |
1126 | ||
1127 | err = add_res_range(dev, slave, base, count, RES_QP, 0); | |
1128 | if (err) { | |
1129 | __mlx4_qp_release_range(dev, base, count); | |
1130 | return err; | |
1131 | } | |
1132 | set_param_l(out_param, base); | |
1133 | break; | |
1134 | case RES_OP_MAP_ICM: | |
1135 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1136 | if (valid_reserved(dev, slave, qpn)) { | |
1137 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1138 | if (err) | |
1139 | return err; | |
1140 | } | |
1141 | ||
1142 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, | |
1143 | NULL, 1); | |
1144 | if (err) | |
1145 | return err; | |
1146 | ||
1147 | if (!valid_reserved(dev, slave, qpn)) { | |
1148 | err = __mlx4_qp_alloc_icm(dev, qpn); | |
1149 | if (err) { | |
1150 | res_abort_move(dev, slave, RES_QP, qpn); | |
1151 | return err; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | res_end_move(dev, slave, RES_QP, qpn); | |
1156 | break; | |
1157 | ||
1158 | default: | |
1159 | err = -EINVAL; | |
1160 | break; | |
1161 | } | |
1162 | return err; | |
1163 | } | |
1164 | ||
1165 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1166 | u64 in_param, u64 *out_param) | |
1167 | { | |
1168 | int err = -EINVAL; | |
1169 | int base; | |
1170 | int order; | |
1171 | ||
1172 | if (op != RES_OP_RESERVE_AND_MAP) | |
1173 | return err; | |
1174 | ||
1175 | order = get_param_l(&in_param); | |
1176 | base = __mlx4_alloc_mtt_range(dev, order); | |
1177 | if (base == -1) | |
1178 | return -ENOMEM; | |
1179 | ||
1180 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); | |
1181 | if (err) | |
1182 | __mlx4_free_mtt_range(dev, base, order); | |
1183 | else | |
1184 | set_param_l(out_param, base); | |
1185 | ||
1186 | return err; | |
1187 | } | |
1188 | ||
1189 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1190 | u64 in_param, u64 *out_param) | |
1191 | { | |
1192 | int err = -EINVAL; | |
1193 | int index; | |
1194 | int id; | |
1195 | struct res_mpt *mpt; | |
1196 | ||
1197 | switch (op) { | |
1198 | case RES_OP_RESERVE: | |
1199 | index = __mlx4_mr_reserve(dev); | |
1200 | if (index == -1) | |
1201 | break; | |
1202 | id = index & mpt_mask(dev); | |
1203 | ||
1204 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); | |
1205 | if (err) { | |
1206 | __mlx4_mr_release(dev, index); | |
1207 | break; | |
1208 | } | |
1209 | set_param_l(out_param, index); | |
1210 | break; | |
1211 | case RES_OP_MAP_ICM: | |
1212 | index = get_param_l(&in_param); | |
1213 | id = index & mpt_mask(dev); | |
1214 | err = mr_res_start_move_to(dev, slave, id, | |
1215 | RES_MPT_MAPPED, &mpt); | |
1216 | if (err) | |
1217 | return err; | |
1218 | ||
1219 | err = __mlx4_mr_alloc_icm(dev, mpt->key); | |
1220 | if (err) { | |
1221 | res_abort_move(dev, slave, RES_MPT, id); | |
1222 | return err; | |
1223 | } | |
1224 | ||
1225 | res_end_move(dev, slave, RES_MPT, id); | |
1226 | break; | |
1227 | } | |
1228 | return err; | |
1229 | } | |
1230 | ||
1231 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1232 | u64 in_param, u64 *out_param) | |
1233 | { | |
1234 | int cqn; | |
1235 | int err; | |
1236 | ||
1237 | switch (op) { | |
1238 | case RES_OP_RESERVE_AND_MAP: | |
1239 | err = __mlx4_cq_alloc_icm(dev, &cqn); | |
1240 | if (err) | |
1241 | break; | |
1242 | ||
1243 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
1244 | if (err) { | |
1245 | __mlx4_cq_free_icm(dev, cqn); | |
1246 | break; | |
1247 | } | |
1248 | ||
1249 | set_param_l(out_param, cqn); | |
1250 | break; | |
1251 | ||
1252 | default: | |
1253 | err = -EINVAL; | |
1254 | } | |
1255 | ||
1256 | return err; | |
1257 | } | |
1258 | ||
1259 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1260 | u64 in_param, u64 *out_param) | |
1261 | { | |
1262 | int srqn; | |
1263 | int err; | |
1264 | ||
1265 | switch (op) { | |
1266 | case RES_OP_RESERVE_AND_MAP: | |
1267 | err = __mlx4_srq_alloc_icm(dev, &srqn); | |
1268 | if (err) | |
1269 | break; | |
1270 | ||
1271 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
1272 | if (err) { | |
1273 | __mlx4_srq_free_icm(dev, srqn); | |
1274 | break; | |
1275 | } | |
1276 | ||
1277 | set_param_l(out_param, srqn); | |
1278 | break; | |
1279 | ||
1280 | default: | |
1281 | err = -EINVAL; | |
1282 | } | |
1283 | ||
1284 | return err; | |
1285 | } | |
1286 | ||
1287 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port) | |
1288 | { | |
1289 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1290 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1291 | struct mac_res *res; | |
1292 | ||
1293 | res = kzalloc(sizeof *res, GFP_KERNEL); | |
1294 | if (!res) | |
1295 | return -ENOMEM; | |
1296 | res->mac = mac; | |
1297 | res->port = (u8) port; | |
1298 | list_add_tail(&res->list, | |
1299 | &tracker->slave_list[slave].res_list[RES_MAC]); | |
1300 | return 0; | |
1301 | } | |
1302 | ||
1303 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, | |
1304 | int port) | |
1305 | { | |
1306 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1307 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1308 | struct list_head *mac_list = | |
1309 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1310 | struct mac_res *res, *tmp; | |
1311 | ||
1312 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1313 | if (res->mac == mac && res->port == (u8) port) { | |
1314 | list_del(&res->list); | |
1315 | kfree(res); | |
1316 | break; | |
1317 | } | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) | |
1322 | { | |
1323 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1324 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1325 | struct list_head *mac_list = | |
1326 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1327 | struct mac_res *res, *tmp; | |
1328 | ||
1329 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1330 | list_del(&res->list); | |
1331 | __mlx4_unregister_mac(dev, res->port, res->mac); | |
1332 | kfree(res); | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1337 | u64 in_param, u64 *out_param) | |
1338 | { | |
1339 | int err = -EINVAL; | |
1340 | int port; | |
1341 | u64 mac; | |
1342 | ||
1343 | if (op != RES_OP_RESERVE_AND_MAP) | |
1344 | return err; | |
1345 | ||
1346 | port = get_param_l(out_param); | |
1347 | mac = in_param; | |
1348 | ||
1349 | err = __mlx4_register_mac(dev, port, mac); | |
1350 | if (err >= 0) { | |
1351 | set_param_l(out_param, err); | |
1352 | err = 0; | |
1353 | } | |
1354 | ||
1355 | if (!err) { | |
1356 | err = mac_add_to_slave(dev, slave, mac, port); | |
1357 | if (err) | |
1358 | __mlx4_unregister_mac(dev, port, mac); | |
1359 | } | |
1360 | return err; | |
1361 | } | |
1362 | ||
ffe455ad EE |
1363 | static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1364 | u64 in_param, u64 *out_param) | |
1365 | { | |
1366 | return 0; | |
1367 | } | |
1368 | ||
ba062d52 JM |
1369 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1370 | u64 in_param, u64 *out_param) | |
1371 | { | |
1372 | u32 index; | |
1373 | int err; | |
1374 | ||
1375 | if (op != RES_OP_RESERVE) | |
1376 | return -EINVAL; | |
1377 | ||
1378 | err = __mlx4_counter_alloc(dev, &index); | |
1379 | if (err) | |
1380 | return err; | |
1381 | ||
1382 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0); | |
1383 | if (err) | |
1384 | __mlx4_counter_free(dev, index); | |
1385 | else | |
1386 | set_param_l(out_param, index); | |
1387 | ||
1388 | return err; | |
1389 | } | |
1390 | ||
1391 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1392 | u64 in_param, u64 *out_param) | |
1393 | { | |
1394 | u32 xrcdn; | |
1395 | int err; | |
1396 | ||
1397 | if (op != RES_OP_RESERVE) | |
1398 | return -EINVAL; | |
1399 | ||
1400 | err = __mlx4_xrcd_alloc(dev, &xrcdn); | |
1401 | if (err) | |
1402 | return err; | |
1403 | ||
1404 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
1405 | if (err) | |
1406 | __mlx4_xrcd_free(dev, xrcdn); | |
1407 | else | |
1408 | set_param_l(out_param, xrcdn); | |
1409 | ||
1410 | return err; | |
1411 | } | |
1412 | ||
c82e9aa0 EC |
1413 | int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, |
1414 | struct mlx4_vhcr *vhcr, | |
1415 | struct mlx4_cmd_mailbox *inbox, | |
1416 | struct mlx4_cmd_mailbox *outbox, | |
1417 | struct mlx4_cmd_info *cmd) | |
1418 | { | |
1419 | int err; | |
1420 | int alop = vhcr->op_modifier; | |
1421 | ||
1422 | switch (vhcr->in_modifier) { | |
1423 | case RES_QP: | |
1424 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1425 | vhcr->in_param, &vhcr->out_param); | |
1426 | break; | |
1427 | ||
1428 | case RES_MTT: | |
1429 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1430 | vhcr->in_param, &vhcr->out_param); | |
1431 | break; | |
1432 | ||
1433 | case RES_MPT: | |
1434 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1435 | vhcr->in_param, &vhcr->out_param); | |
1436 | break; | |
1437 | ||
1438 | case RES_CQ: | |
1439 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1440 | vhcr->in_param, &vhcr->out_param); | |
1441 | break; | |
1442 | ||
1443 | case RES_SRQ: | |
1444 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1445 | vhcr->in_param, &vhcr->out_param); | |
1446 | break; | |
1447 | ||
1448 | case RES_MAC: | |
1449 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1450 | vhcr->in_param, &vhcr->out_param); | |
1451 | break; | |
1452 | ||
ffe455ad EE |
1453 | case RES_VLAN: |
1454 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1455 | vhcr->in_param, &vhcr->out_param); | |
1456 | break; | |
1457 | ||
ba062d52 JM |
1458 | case RES_COUNTER: |
1459 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1460 | vhcr->in_param, &vhcr->out_param); | |
1461 | break; | |
1462 | ||
1463 | case RES_XRCD: | |
1464 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1465 | vhcr->in_param, &vhcr->out_param); | |
1466 | break; | |
1467 | ||
c82e9aa0 EC |
1468 | default: |
1469 | err = -EINVAL; | |
1470 | break; | |
1471 | } | |
1472 | ||
1473 | return err; | |
1474 | } | |
1475 | ||
1476 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1477 | u64 in_param) | |
1478 | { | |
1479 | int err; | |
1480 | int count; | |
1481 | int base; | |
1482 | int qpn; | |
1483 | ||
1484 | switch (op) { | |
1485 | case RES_OP_RESERVE: | |
1486 | base = get_param_l(&in_param) & 0x7fffff; | |
1487 | count = get_param_h(&in_param); | |
1488 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); | |
1489 | if (err) | |
1490 | break; | |
1491 | __mlx4_qp_release_range(dev, base, count); | |
1492 | break; | |
1493 | case RES_OP_MAP_ICM: | |
1494 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1495 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, | |
1496 | NULL, 0); | |
1497 | if (err) | |
1498 | return err; | |
1499 | ||
1500 | if (!valid_reserved(dev, slave, qpn)) | |
1501 | __mlx4_qp_free_icm(dev, qpn); | |
1502 | ||
1503 | res_end_move(dev, slave, RES_QP, qpn); | |
1504 | ||
1505 | if (valid_reserved(dev, slave, qpn)) | |
1506 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1507 | break; | |
1508 | default: | |
1509 | err = -EINVAL; | |
1510 | break; | |
1511 | } | |
1512 | return err; | |
1513 | } | |
1514 | ||
1515 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1516 | u64 in_param, u64 *out_param) | |
1517 | { | |
1518 | int err = -EINVAL; | |
1519 | int base; | |
1520 | int order; | |
1521 | ||
1522 | if (op != RES_OP_RESERVE_AND_MAP) | |
1523 | return err; | |
1524 | ||
1525 | base = get_param_l(&in_param); | |
1526 | order = get_param_h(&in_param); | |
1527 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); | |
1528 | if (!err) | |
1529 | __mlx4_free_mtt_range(dev, base, order); | |
1530 | return err; | |
1531 | } | |
1532 | ||
1533 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1534 | u64 in_param) | |
1535 | { | |
1536 | int err = -EINVAL; | |
1537 | int index; | |
1538 | int id; | |
1539 | struct res_mpt *mpt; | |
1540 | ||
1541 | switch (op) { | |
1542 | case RES_OP_RESERVE: | |
1543 | index = get_param_l(&in_param); | |
1544 | id = index & mpt_mask(dev); | |
1545 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
1546 | if (err) | |
1547 | break; | |
1548 | index = mpt->key; | |
1549 | put_res(dev, slave, id, RES_MPT); | |
1550 | ||
1551 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); | |
1552 | if (err) | |
1553 | break; | |
1554 | __mlx4_mr_release(dev, index); | |
1555 | break; | |
1556 | case RES_OP_MAP_ICM: | |
1557 | index = get_param_l(&in_param); | |
1558 | id = index & mpt_mask(dev); | |
1559 | err = mr_res_start_move_to(dev, slave, id, | |
1560 | RES_MPT_RESERVED, &mpt); | |
1561 | if (err) | |
1562 | return err; | |
1563 | ||
1564 | __mlx4_mr_free_icm(dev, mpt->key); | |
1565 | res_end_move(dev, slave, RES_MPT, id); | |
1566 | return err; | |
1567 | break; | |
1568 | default: | |
1569 | err = -EINVAL; | |
1570 | break; | |
1571 | } | |
1572 | return err; | |
1573 | } | |
1574 | ||
1575 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1576 | u64 in_param, u64 *out_param) | |
1577 | { | |
1578 | int cqn; | |
1579 | int err; | |
1580 | ||
1581 | switch (op) { | |
1582 | case RES_OP_RESERVE_AND_MAP: | |
1583 | cqn = get_param_l(&in_param); | |
1584 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
1585 | if (err) | |
1586 | break; | |
1587 | ||
1588 | __mlx4_cq_free_icm(dev, cqn); | |
1589 | break; | |
1590 | ||
1591 | default: | |
1592 | err = -EINVAL; | |
1593 | break; | |
1594 | } | |
1595 | ||
1596 | return err; | |
1597 | } | |
1598 | ||
1599 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1600 | u64 in_param, u64 *out_param) | |
1601 | { | |
1602 | int srqn; | |
1603 | int err; | |
1604 | ||
1605 | switch (op) { | |
1606 | case RES_OP_RESERVE_AND_MAP: | |
1607 | srqn = get_param_l(&in_param); | |
1608 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
1609 | if (err) | |
1610 | break; | |
1611 | ||
1612 | __mlx4_srq_free_icm(dev, srqn); | |
1613 | break; | |
1614 | ||
1615 | default: | |
1616 | err = -EINVAL; | |
1617 | break; | |
1618 | } | |
1619 | ||
1620 | return err; | |
1621 | } | |
1622 | ||
1623 | static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1624 | u64 in_param, u64 *out_param) | |
1625 | { | |
1626 | int port; | |
1627 | int err = 0; | |
1628 | ||
1629 | switch (op) { | |
1630 | case RES_OP_RESERVE_AND_MAP: | |
1631 | port = get_param_l(out_param); | |
1632 | mac_del_from_slave(dev, slave, in_param, port); | |
1633 | __mlx4_unregister_mac(dev, port, in_param); | |
1634 | break; | |
1635 | default: | |
1636 | err = -EINVAL; | |
1637 | break; | |
1638 | } | |
1639 | ||
1640 | return err; | |
1641 | ||
1642 | } | |
1643 | ||
ffe455ad EE |
1644 | static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1645 | u64 in_param, u64 *out_param) | |
1646 | { | |
1647 | return 0; | |
1648 | } | |
1649 | ||
ba062d52 JM |
1650 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1651 | u64 in_param, u64 *out_param) | |
1652 | { | |
1653 | int index; | |
1654 | int err; | |
1655 | ||
1656 | if (op != RES_OP_RESERVE) | |
1657 | return -EINVAL; | |
1658 | ||
1659 | index = get_param_l(&in_param); | |
1660 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); | |
1661 | if (err) | |
1662 | return err; | |
1663 | ||
1664 | __mlx4_counter_free(dev, index); | |
1665 | ||
1666 | return err; | |
1667 | } | |
1668 | ||
1669 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1670 | u64 in_param, u64 *out_param) | |
1671 | { | |
1672 | int xrcdn; | |
1673 | int err; | |
1674 | ||
1675 | if (op != RES_OP_RESERVE) | |
1676 | return -EINVAL; | |
1677 | ||
1678 | xrcdn = get_param_l(&in_param); | |
1679 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
1680 | if (err) | |
1681 | return err; | |
1682 | ||
1683 | __mlx4_xrcd_free(dev, xrcdn); | |
1684 | ||
1685 | return err; | |
1686 | } | |
1687 | ||
c82e9aa0 EC |
1688 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
1689 | struct mlx4_vhcr *vhcr, | |
1690 | struct mlx4_cmd_mailbox *inbox, | |
1691 | struct mlx4_cmd_mailbox *outbox, | |
1692 | struct mlx4_cmd_info *cmd) | |
1693 | { | |
1694 | int err = -EINVAL; | |
1695 | int alop = vhcr->op_modifier; | |
1696 | ||
1697 | switch (vhcr->in_modifier) { | |
1698 | case RES_QP: | |
1699 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, | |
1700 | vhcr->in_param); | |
1701 | break; | |
1702 | ||
1703 | case RES_MTT: | |
1704 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, | |
1705 | vhcr->in_param, &vhcr->out_param); | |
1706 | break; | |
1707 | ||
1708 | case RES_MPT: | |
1709 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, | |
1710 | vhcr->in_param); | |
1711 | break; | |
1712 | ||
1713 | case RES_CQ: | |
1714 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, | |
1715 | vhcr->in_param, &vhcr->out_param); | |
1716 | break; | |
1717 | ||
1718 | case RES_SRQ: | |
1719 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, | |
1720 | vhcr->in_param, &vhcr->out_param); | |
1721 | break; | |
1722 | ||
1723 | case RES_MAC: | |
1724 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, | |
1725 | vhcr->in_param, &vhcr->out_param); | |
1726 | break; | |
1727 | ||
ffe455ad EE |
1728 | case RES_VLAN: |
1729 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, | |
1730 | vhcr->in_param, &vhcr->out_param); | |
1731 | break; | |
1732 | ||
ba062d52 JM |
1733 | case RES_COUNTER: |
1734 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, | |
1735 | vhcr->in_param, &vhcr->out_param); | |
1736 | break; | |
1737 | ||
1738 | case RES_XRCD: | |
1739 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, | |
1740 | vhcr->in_param, &vhcr->out_param); | |
1741 | ||
c82e9aa0 EC |
1742 | default: |
1743 | break; | |
1744 | } | |
1745 | return err; | |
1746 | } | |
1747 | ||
1748 | /* ugly but other choices are uglier */ | |
1749 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) | |
1750 | { | |
1751 | return (be32_to_cpu(mpt->flags) >> 9) & 1; | |
1752 | } | |
1753 | ||
2b8fb286 | 1754 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
c82e9aa0 | 1755 | { |
2b8fb286 | 1756 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
c82e9aa0 EC |
1757 | } |
1758 | ||
1759 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) | |
1760 | { | |
1761 | return be32_to_cpu(mpt->mtt_sz); | |
1762 | } | |
1763 | ||
2b8fb286 | 1764 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
c82e9aa0 EC |
1765 | { |
1766 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; | |
1767 | } | |
1768 | ||
2b8fb286 | 1769 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
c82e9aa0 EC |
1770 | { |
1771 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; | |
1772 | } | |
1773 | ||
1774 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) | |
1775 | { | |
1776 | int page_shift = (qpc->log_page_size & 0x3f) + 12; | |
1777 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; | |
1778 | int log_sq_sride = qpc->sq_size_stride & 7; | |
1779 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; | |
1780 | int log_rq_stride = qpc->rq_size_stride & 7; | |
1781 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; | |
1782 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; | |
1783 | int xrc = (be32_to_cpu(qpc->local_qpn) >> 23) & 1; | |
1784 | int sq_size; | |
1785 | int rq_size; | |
1786 | int total_pages; | |
1787 | int total_mem; | |
1788 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; | |
1789 | ||
1790 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); | |
1791 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); | |
1792 | total_mem = sq_size + rq_size; | |
1793 | total_pages = | |
1794 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> | |
1795 | page_shift); | |
1796 | ||
1797 | return total_pages; | |
1798 | } | |
1799 | ||
c82e9aa0 EC |
1800 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
1801 | int size, struct res_mtt *mtt) | |
1802 | { | |
2b8fb286 MA |
1803 | int res_start = mtt->com.res_id; |
1804 | int res_size = (1 << mtt->order); | |
c82e9aa0 EC |
1805 | |
1806 | if (start < res_start || start + size > res_start + res_size) | |
1807 | return -EPERM; | |
1808 | return 0; | |
1809 | } | |
1810 | ||
1811 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1812 | struct mlx4_vhcr *vhcr, | |
1813 | struct mlx4_cmd_mailbox *inbox, | |
1814 | struct mlx4_cmd_mailbox *outbox, | |
1815 | struct mlx4_cmd_info *cmd) | |
1816 | { | |
1817 | int err; | |
1818 | int index = vhcr->in_modifier; | |
1819 | struct res_mtt *mtt; | |
1820 | struct res_mpt *mpt; | |
2b8fb286 | 1821 | int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
1822 | int phys; |
1823 | int id; | |
1824 | ||
1825 | id = index & mpt_mask(dev); | |
1826 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); | |
1827 | if (err) | |
1828 | return err; | |
1829 | ||
1830 | phys = mr_phys_mpt(inbox->buf); | |
1831 | if (!phys) { | |
2b8fb286 | 1832 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
1833 | if (err) |
1834 | goto ex_abort; | |
1835 | ||
1836 | err = check_mtt_range(dev, slave, mtt_base, | |
1837 | mr_get_mtt_size(inbox->buf), mtt); | |
1838 | if (err) | |
1839 | goto ex_put; | |
1840 | ||
1841 | mpt->mtt = mtt; | |
1842 | } | |
1843 | ||
c82e9aa0 EC |
1844 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
1845 | if (err) | |
1846 | goto ex_put; | |
1847 | ||
1848 | if (!phys) { | |
1849 | atomic_inc(&mtt->ref_count); | |
1850 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
1851 | } | |
1852 | ||
1853 | res_end_move(dev, slave, RES_MPT, id); | |
1854 | return 0; | |
1855 | ||
1856 | ex_put: | |
1857 | if (!phys) | |
1858 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
1859 | ex_abort: | |
1860 | res_abort_move(dev, slave, RES_MPT, id); | |
1861 | ||
1862 | return err; | |
1863 | } | |
1864 | ||
1865 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1866 | struct mlx4_vhcr *vhcr, | |
1867 | struct mlx4_cmd_mailbox *inbox, | |
1868 | struct mlx4_cmd_mailbox *outbox, | |
1869 | struct mlx4_cmd_info *cmd) | |
1870 | { | |
1871 | int err; | |
1872 | int index = vhcr->in_modifier; | |
1873 | struct res_mpt *mpt; | |
1874 | int id; | |
1875 | ||
1876 | id = index & mpt_mask(dev); | |
1877 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); | |
1878 | if (err) | |
1879 | return err; | |
1880 | ||
1881 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1882 | if (err) | |
1883 | goto ex_abort; | |
1884 | ||
1885 | if (mpt->mtt) | |
1886 | atomic_dec(&mpt->mtt->ref_count); | |
1887 | ||
1888 | res_end_move(dev, slave, RES_MPT, id); | |
1889 | return 0; | |
1890 | ||
1891 | ex_abort: | |
1892 | res_abort_move(dev, slave, RES_MPT, id); | |
1893 | ||
1894 | return err; | |
1895 | } | |
1896 | ||
1897 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1898 | struct mlx4_vhcr *vhcr, | |
1899 | struct mlx4_cmd_mailbox *inbox, | |
1900 | struct mlx4_cmd_mailbox *outbox, | |
1901 | struct mlx4_cmd_info *cmd) | |
1902 | { | |
1903 | int err; | |
1904 | int index = vhcr->in_modifier; | |
1905 | struct res_mpt *mpt; | |
1906 | int id; | |
1907 | ||
1908 | id = index & mpt_mask(dev); | |
1909 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
1910 | if (err) | |
1911 | return err; | |
1912 | ||
1913 | if (mpt->com.from_state != RES_MPT_HW) { | |
1914 | err = -EBUSY; | |
1915 | goto out; | |
1916 | } | |
1917 | ||
1918 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1919 | ||
1920 | out: | |
1921 | put_res(dev, slave, id, RES_MPT); | |
1922 | return err; | |
1923 | } | |
1924 | ||
1925 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) | |
1926 | { | |
1927 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; | |
1928 | } | |
1929 | ||
1930 | static int qp_get_scqn(struct mlx4_qp_context *qpc) | |
1931 | { | |
1932 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; | |
1933 | } | |
1934 | ||
1935 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) | |
1936 | { | |
1937 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; | |
1938 | } | |
1939 | ||
1940 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, | |
1941 | struct mlx4_vhcr *vhcr, | |
1942 | struct mlx4_cmd_mailbox *inbox, | |
1943 | struct mlx4_cmd_mailbox *outbox, | |
1944 | struct mlx4_cmd_info *cmd) | |
1945 | { | |
1946 | int err; | |
1947 | int qpn = vhcr->in_modifier & 0x7fffff; | |
1948 | struct res_mtt *mtt; | |
1949 | struct res_qp *qp; | |
1950 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2b8fb286 | 1951 | int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
1952 | int mtt_size = qp_get_mtt_size(qpc); |
1953 | struct res_cq *rcq; | |
1954 | struct res_cq *scq; | |
1955 | int rcqn = qp_get_rcqn(qpc); | |
1956 | int scqn = qp_get_scqn(qpc); | |
1957 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; | |
1958 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; | |
1959 | struct res_srq *srq; | |
1960 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; | |
1961 | ||
1962 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); | |
1963 | if (err) | |
1964 | return err; | |
1965 | qp->local_qpn = local_qpn; | |
1966 | ||
2b8fb286 | 1967 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
1968 | if (err) |
1969 | goto ex_abort; | |
1970 | ||
1971 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
1972 | if (err) | |
1973 | goto ex_put_mtt; | |
1974 | ||
c82e9aa0 EC |
1975 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
1976 | if (err) | |
1977 | goto ex_put_mtt; | |
1978 | ||
1979 | if (scqn != rcqn) { | |
1980 | err = get_res(dev, slave, scqn, RES_CQ, &scq); | |
1981 | if (err) | |
1982 | goto ex_put_rcq; | |
1983 | } else | |
1984 | scq = rcq; | |
1985 | ||
1986 | if (use_srq) { | |
1987 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
1988 | if (err) | |
1989 | goto ex_put_scq; | |
1990 | } | |
1991 | ||
1992 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1993 | if (err) | |
1994 | goto ex_put_srq; | |
1995 | atomic_inc(&mtt->ref_count); | |
1996 | qp->mtt = mtt; | |
1997 | atomic_inc(&rcq->ref_count); | |
1998 | qp->rcq = rcq; | |
1999 | atomic_inc(&scq->ref_count); | |
2000 | qp->scq = scq; | |
2001 | ||
2002 | if (scqn != rcqn) | |
2003 | put_res(dev, slave, scqn, RES_CQ); | |
2004 | ||
2005 | if (use_srq) { | |
2006 | atomic_inc(&srq->ref_count); | |
2007 | put_res(dev, slave, srqn, RES_SRQ); | |
2008 | qp->srq = srq; | |
2009 | } | |
2010 | put_res(dev, slave, rcqn, RES_CQ); | |
2b8fb286 | 2011 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
2012 | res_end_move(dev, slave, RES_QP, qpn); |
2013 | ||
2014 | return 0; | |
2015 | ||
2016 | ex_put_srq: | |
2017 | if (use_srq) | |
2018 | put_res(dev, slave, srqn, RES_SRQ); | |
2019 | ex_put_scq: | |
2020 | if (scqn != rcqn) | |
2021 | put_res(dev, slave, scqn, RES_CQ); | |
2022 | ex_put_rcq: | |
2023 | put_res(dev, slave, rcqn, RES_CQ); | |
2024 | ex_put_mtt: | |
2b8fb286 | 2025 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
2026 | ex_abort: |
2027 | res_abort_move(dev, slave, RES_QP, qpn); | |
2028 | ||
2029 | return err; | |
2030 | } | |
2031 | ||
2b8fb286 | 2032 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
c82e9aa0 EC |
2033 | { |
2034 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; | |
2035 | } | |
2036 | ||
2037 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) | |
2038 | { | |
2039 | int log_eq_size = eqc->log_eq_size & 0x1f; | |
2040 | int page_shift = (eqc->log_page_size & 0x3f) + 12; | |
2041 | ||
2042 | if (log_eq_size + 5 < page_shift) | |
2043 | return 1; | |
2044 | ||
2045 | return 1 << (log_eq_size + 5 - page_shift); | |
2046 | } | |
2047 | ||
2b8fb286 | 2048 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
c82e9aa0 EC |
2049 | { |
2050 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; | |
2051 | } | |
2052 | ||
2053 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) | |
2054 | { | |
2055 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; | |
2056 | int page_shift = (cqc->log_page_size & 0x3f) + 12; | |
2057 | ||
2058 | if (log_cq_size + 5 < page_shift) | |
2059 | return 1; | |
2060 | ||
2061 | return 1 << (log_cq_size + 5 - page_shift); | |
2062 | } | |
2063 | ||
2064 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2065 | struct mlx4_vhcr *vhcr, | |
2066 | struct mlx4_cmd_mailbox *inbox, | |
2067 | struct mlx4_cmd_mailbox *outbox, | |
2068 | struct mlx4_cmd_info *cmd) | |
2069 | { | |
2070 | int err; | |
2071 | int eqn = vhcr->in_modifier; | |
2072 | int res_id = (slave << 8) | eqn; | |
2073 | struct mlx4_eq_context *eqc = inbox->buf; | |
2b8fb286 | 2074 | int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2075 | int mtt_size = eq_get_mtt_size(eqc); |
2076 | struct res_eq *eq; | |
2077 | struct res_mtt *mtt; | |
2078 | ||
2079 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2080 | if (err) | |
2081 | return err; | |
2082 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); | |
2083 | if (err) | |
2084 | goto out_add; | |
2085 | ||
2b8fb286 | 2086 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2087 | if (err) |
2088 | goto out_move; | |
2089 | ||
2090 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
2091 | if (err) | |
2092 | goto out_put; | |
2093 | ||
2094 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2095 | if (err) | |
2096 | goto out_put; | |
2097 | ||
2098 | atomic_inc(&mtt->ref_count); | |
2099 | eq->mtt = mtt; | |
2100 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2101 | res_end_move(dev, slave, RES_EQ, res_id); | |
2102 | return 0; | |
2103 | ||
2104 | out_put: | |
2105 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2106 | out_move: | |
2107 | res_abort_move(dev, slave, RES_EQ, res_id); | |
2108 | out_add: | |
2109 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2110 | return err; | |
2111 | } | |
2112 | ||
2113 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, | |
2114 | int len, struct res_mtt **res) | |
2115 | { | |
2116 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2117 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2118 | struct res_mtt *mtt; | |
2119 | int err = -EINVAL; | |
2120 | ||
2121 | spin_lock_irq(mlx4_tlock(dev)); | |
2122 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], | |
2123 | com.list) { | |
2124 | if (!check_mtt_range(dev, slave, start, len, mtt)) { | |
2125 | *res = mtt; | |
2126 | mtt->com.from_state = mtt->com.state; | |
2127 | mtt->com.state = RES_MTT_BUSY; | |
2128 | err = 0; | |
2129 | break; | |
2130 | } | |
2131 | } | |
2132 | spin_unlock_irq(mlx4_tlock(dev)); | |
2133 | ||
2134 | return err; | |
2135 | } | |
2136 | ||
2137 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, | |
2138 | struct mlx4_vhcr *vhcr, | |
2139 | struct mlx4_cmd_mailbox *inbox, | |
2140 | struct mlx4_cmd_mailbox *outbox, | |
2141 | struct mlx4_cmd_info *cmd) | |
2142 | { | |
2143 | struct mlx4_mtt mtt; | |
2144 | __be64 *page_list = inbox->buf; | |
2145 | u64 *pg_list = (u64 *)page_list; | |
2146 | int i; | |
2147 | struct res_mtt *rmtt = NULL; | |
2148 | int start = be64_to_cpu(page_list[0]); | |
2149 | int npages = vhcr->in_modifier; | |
2150 | int err; | |
2151 | ||
2152 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); | |
2153 | if (err) | |
2154 | return err; | |
2155 | ||
2156 | /* Call the SW implementation of write_mtt: | |
2157 | * - Prepare a dummy mtt struct | |
2158 | * - Translate inbox contents to simple addresses in host endianess */ | |
2b8fb286 MA |
2159 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
2160 | we don't really use it */ | |
c82e9aa0 EC |
2161 | mtt.order = 0; |
2162 | mtt.page_shift = 0; | |
2163 | for (i = 0; i < npages; ++i) | |
2164 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); | |
2165 | ||
2166 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, | |
2167 | ((u64 *)page_list + 2)); | |
2168 | ||
2169 | if (rmtt) | |
2170 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); | |
2171 | ||
2172 | return err; | |
2173 | } | |
2174 | ||
2175 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2176 | struct mlx4_vhcr *vhcr, | |
2177 | struct mlx4_cmd_mailbox *inbox, | |
2178 | struct mlx4_cmd_mailbox *outbox, | |
2179 | struct mlx4_cmd_info *cmd) | |
2180 | { | |
2181 | int eqn = vhcr->in_modifier; | |
2182 | int res_id = eqn | (slave << 8); | |
2183 | struct res_eq *eq; | |
2184 | int err; | |
2185 | ||
2186 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); | |
2187 | if (err) | |
2188 | return err; | |
2189 | ||
2190 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); | |
2191 | if (err) | |
2192 | goto ex_abort; | |
2193 | ||
2194 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2195 | if (err) | |
2196 | goto ex_put; | |
2197 | ||
2198 | atomic_dec(&eq->mtt->ref_count); | |
2199 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
2200 | res_end_move(dev, slave, RES_EQ, res_id); | |
2201 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2202 | ||
2203 | return 0; | |
2204 | ||
2205 | ex_put: | |
2206 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
2207 | ex_abort: | |
2208 | res_abort_move(dev, slave, RES_EQ, res_id); | |
2209 | ||
2210 | return err; | |
2211 | } | |
2212 | ||
2213 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) | |
2214 | { | |
2215 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2216 | struct mlx4_slave_event_eq_info *event_eq; | |
2217 | struct mlx4_cmd_mailbox *mailbox; | |
2218 | u32 in_modifier = 0; | |
2219 | int err; | |
2220 | int res_id; | |
2221 | struct res_eq *req; | |
2222 | ||
2223 | if (!priv->mfunc.master.slave_state) | |
2224 | return -EINVAL; | |
2225 | ||
803143fb | 2226 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
c82e9aa0 EC |
2227 | |
2228 | /* Create the event only if the slave is registered */ | |
803143fb | 2229 | if (event_eq->eqn < 0) |
c82e9aa0 EC |
2230 | return 0; |
2231 | ||
2232 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2233 | res_id = (slave << 8) | event_eq->eqn; | |
2234 | err = get_res(dev, slave, res_id, RES_EQ, &req); | |
2235 | if (err) | |
2236 | goto unlock; | |
2237 | ||
2238 | if (req->com.from_state != RES_EQ_HW) { | |
2239 | err = -EINVAL; | |
2240 | goto put; | |
2241 | } | |
2242 | ||
2243 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2244 | if (IS_ERR(mailbox)) { | |
2245 | err = PTR_ERR(mailbox); | |
2246 | goto put; | |
2247 | } | |
2248 | ||
2249 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { | |
2250 | ++event_eq->token; | |
2251 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); | |
2252 | } | |
2253 | ||
2254 | memcpy(mailbox->buf, (u8 *) eqe, 28); | |
2255 | ||
2256 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0xff) << 16); | |
2257 | ||
2258 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, | |
2259 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, | |
2260 | MLX4_CMD_NATIVE); | |
2261 | ||
2262 | put_res(dev, slave, res_id, RES_EQ); | |
2263 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2264 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2265 | return err; | |
2266 | ||
2267 | put: | |
2268 | put_res(dev, slave, res_id, RES_EQ); | |
2269 | ||
2270 | unlock: | |
2271 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2272 | return err; | |
2273 | } | |
2274 | ||
2275 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2276 | struct mlx4_vhcr *vhcr, | |
2277 | struct mlx4_cmd_mailbox *inbox, | |
2278 | struct mlx4_cmd_mailbox *outbox, | |
2279 | struct mlx4_cmd_info *cmd) | |
2280 | { | |
2281 | int eqn = vhcr->in_modifier; | |
2282 | int res_id = eqn | (slave << 8); | |
2283 | struct res_eq *eq; | |
2284 | int err; | |
2285 | ||
2286 | err = get_res(dev, slave, res_id, RES_EQ, &eq); | |
2287 | if (err) | |
2288 | return err; | |
2289 | ||
2290 | if (eq->com.from_state != RES_EQ_HW) { | |
2291 | err = -EINVAL; | |
2292 | goto ex_put; | |
2293 | } | |
2294 | ||
2295 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2296 | ||
2297 | ex_put: | |
2298 | put_res(dev, slave, res_id, RES_EQ); | |
2299 | return err; | |
2300 | } | |
2301 | ||
2302 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2303 | struct mlx4_vhcr *vhcr, | |
2304 | struct mlx4_cmd_mailbox *inbox, | |
2305 | struct mlx4_cmd_mailbox *outbox, | |
2306 | struct mlx4_cmd_info *cmd) | |
2307 | { | |
2308 | int err; | |
2309 | int cqn = vhcr->in_modifier; | |
2310 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 2311 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2312 | struct res_cq *cq; |
2313 | struct res_mtt *mtt; | |
2314 | ||
2315 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); | |
2316 | if (err) | |
2317 | return err; | |
2b8fb286 | 2318 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2319 | if (err) |
2320 | goto out_move; | |
2321 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
2322 | if (err) | |
2323 | goto out_put; | |
2324 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2325 | if (err) | |
2326 | goto out_put; | |
2327 | atomic_inc(&mtt->ref_count); | |
2328 | cq->mtt = mtt; | |
2329 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2330 | res_end_move(dev, slave, RES_CQ, cqn); | |
2331 | return 0; | |
2332 | ||
2333 | out_put: | |
2334 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2335 | out_move: | |
2336 | res_abort_move(dev, slave, RES_CQ, cqn); | |
2337 | return err; | |
2338 | } | |
2339 | ||
2340 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2341 | struct mlx4_vhcr *vhcr, | |
2342 | struct mlx4_cmd_mailbox *inbox, | |
2343 | struct mlx4_cmd_mailbox *outbox, | |
2344 | struct mlx4_cmd_info *cmd) | |
2345 | { | |
2346 | int err; | |
2347 | int cqn = vhcr->in_modifier; | |
2348 | struct res_cq *cq; | |
2349 | ||
2350 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); | |
2351 | if (err) | |
2352 | return err; | |
2353 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2354 | if (err) | |
2355 | goto out_move; | |
2356 | atomic_dec(&cq->mtt->ref_count); | |
2357 | res_end_move(dev, slave, RES_CQ, cqn); | |
2358 | return 0; | |
2359 | ||
2360 | out_move: | |
2361 | res_abort_move(dev, slave, RES_CQ, cqn); | |
2362 | return err; | |
2363 | } | |
2364 | ||
2365 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2366 | struct mlx4_vhcr *vhcr, | |
2367 | struct mlx4_cmd_mailbox *inbox, | |
2368 | struct mlx4_cmd_mailbox *outbox, | |
2369 | struct mlx4_cmd_info *cmd) | |
2370 | { | |
2371 | int cqn = vhcr->in_modifier; | |
2372 | struct res_cq *cq; | |
2373 | int err; | |
2374 | ||
2375 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
2376 | if (err) | |
2377 | return err; | |
2378 | ||
2379 | if (cq->com.from_state != RES_CQ_HW) | |
2380 | goto ex_put; | |
2381 | ||
2382 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2383 | ex_put: | |
2384 | put_res(dev, slave, cqn, RES_CQ); | |
2385 | ||
2386 | return err; | |
2387 | } | |
2388 | ||
2389 | static int handle_resize(struct mlx4_dev *dev, int slave, | |
2390 | struct mlx4_vhcr *vhcr, | |
2391 | struct mlx4_cmd_mailbox *inbox, | |
2392 | struct mlx4_cmd_mailbox *outbox, | |
2393 | struct mlx4_cmd_info *cmd, | |
2394 | struct res_cq *cq) | |
2395 | { | |
2396 | int err; | |
2397 | struct res_mtt *orig_mtt; | |
2398 | struct res_mtt *mtt; | |
2399 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 2400 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2401 | |
2402 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); | |
2403 | if (err) | |
2404 | return err; | |
2405 | ||
2406 | if (orig_mtt != cq->mtt) { | |
2407 | err = -EINVAL; | |
2408 | goto ex_put; | |
2409 | } | |
2410 | ||
2b8fb286 | 2411 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2412 | if (err) |
2413 | goto ex_put; | |
2414 | ||
2415 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
2416 | if (err) | |
2417 | goto ex_put1; | |
2418 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2419 | if (err) | |
2420 | goto ex_put1; | |
2421 | atomic_dec(&orig_mtt->ref_count); | |
2422 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
2423 | atomic_inc(&mtt->ref_count); | |
2424 | cq->mtt = mtt; | |
2425 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2426 | return 0; | |
2427 | ||
2428 | ex_put1: | |
2429 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2430 | ex_put: | |
2431 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
2432 | ||
2433 | return err; | |
2434 | ||
2435 | } | |
2436 | ||
2437 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2438 | struct mlx4_vhcr *vhcr, | |
2439 | struct mlx4_cmd_mailbox *inbox, | |
2440 | struct mlx4_cmd_mailbox *outbox, | |
2441 | struct mlx4_cmd_info *cmd) | |
2442 | { | |
2443 | int cqn = vhcr->in_modifier; | |
2444 | struct res_cq *cq; | |
2445 | int err; | |
2446 | ||
2447 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
2448 | if (err) | |
2449 | return err; | |
2450 | ||
2451 | if (cq->com.from_state != RES_CQ_HW) | |
2452 | goto ex_put; | |
2453 | ||
2454 | if (vhcr->op_modifier == 0) { | |
2455 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); | |
dcf353b1 | 2456 | goto ex_put; |
c82e9aa0 EC |
2457 | } |
2458 | ||
2459 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2460 | ex_put: | |
2461 | put_res(dev, slave, cqn, RES_CQ); | |
2462 | ||
2463 | return err; | |
2464 | } | |
2465 | ||
c82e9aa0 EC |
2466 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
2467 | { | |
2468 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; | |
2469 | int log_rq_stride = srqc->logstride & 7; | |
2470 | int page_shift = (srqc->log_page_size & 0x3f) + 12; | |
2471 | ||
2472 | if (log_srq_size + log_rq_stride + 4 < page_shift) | |
2473 | return 1; | |
2474 | ||
2475 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); | |
2476 | } | |
2477 | ||
2478 | int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2479 | struct mlx4_vhcr *vhcr, | |
2480 | struct mlx4_cmd_mailbox *inbox, | |
2481 | struct mlx4_cmd_mailbox *outbox, | |
2482 | struct mlx4_cmd_info *cmd) | |
2483 | { | |
2484 | int err; | |
2485 | int srqn = vhcr->in_modifier; | |
2486 | struct res_mtt *mtt; | |
2487 | struct res_srq *srq; | |
2488 | struct mlx4_srq_context *srqc = inbox->buf; | |
2b8fb286 | 2489 | int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2490 | |
2491 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) | |
2492 | return -EINVAL; | |
2493 | ||
2494 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); | |
2495 | if (err) | |
2496 | return err; | |
2b8fb286 | 2497 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2498 | if (err) |
2499 | goto ex_abort; | |
2500 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), | |
2501 | mtt); | |
2502 | if (err) | |
2503 | goto ex_put_mtt; | |
2504 | ||
c82e9aa0 EC |
2505 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
2506 | if (err) | |
2507 | goto ex_put_mtt; | |
2508 | ||
2509 | atomic_inc(&mtt->ref_count); | |
2510 | srq->mtt = mtt; | |
2511 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2512 | res_end_move(dev, slave, RES_SRQ, srqn); | |
2513 | return 0; | |
2514 | ||
2515 | ex_put_mtt: | |
2516 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2517 | ex_abort: | |
2518 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
2519 | ||
2520 | return err; | |
2521 | } | |
2522 | ||
2523 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2524 | struct mlx4_vhcr *vhcr, | |
2525 | struct mlx4_cmd_mailbox *inbox, | |
2526 | struct mlx4_cmd_mailbox *outbox, | |
2527 | struct mlx4_cmd_info *cmd) | |
2528 | { | |
2529 | int err; | |
2530 | int srqn = vhcr->in_modifier; | |
2531 | struct res_srq *srq; | |
2532 | ||
2533 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); | |
2534 | if (err) | |
2535 | return err; | |
2536 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2537 | if (err) | |
2538 | goto ex_abort; | |
2539 | atomic_dec(&srq->mtt->ref_count); | |
2540 | if (srq->cq) | |
2541 | atomic_dec(&srq->cq->ref_count); | |
2542 | res_end_move(dev, slave, RES_SRQ, srqn); | |
2543 | ||
2544 | return 0; | |
2545 | ||
2546 | ex_abort: | |
2547 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
2548 | ||
2549 | return err; | |
2550 | } | |
2551 | ||
2552 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2553 | struct mlx4_vhcr *vhcr, | |
2554 | struct mlx4_cmd_mailbox *inbox, | |
2555 | struct mlx4_cmd_mailbox *outbox, | |
2556 | struct mlx4_cmd_info *cmd) | |
2557 | { | |
2558 | int err; | |
2559 | int srqn = vhcr->in_modifier; | |
2560 | struct res_srq *srq; | |
2561 | ||
2562 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
2563 | if (err) | |
2564 | return err; | |
2565 | if (srq->com.from_state != RES_SRQ_HW) { | |
2566 | err = -EBUSY; | |
2567 | goto out; | |
2568 | } | |
2569 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2570 | out: | |
2571 | put_res(dev, slave, srqn, RES_SRQ); | |
2572 | return err; | |
2573 | } | |
2574 | ||
2575 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2576 | struct mlx4_vhcr *vhcr, | |
2577 | struct mlx4_cmd_mailbox *inbox, | |
2578 | struct mlx4_cmd_mailbox *outbox, | |
2579 | struct mlx4_cmd_info *cmd) | |
2580 | { | |
2581 | int err; | |
2582 | int srqn = vhcr->in_modifier; | |
2583 | struct res_srq *srq; | |
2584 | ||
2585 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
2586 | if (err) | |
2587 | return err; | |
2588 | ||
2589 | if (srq->com.from_state != RES_SRQ_HW) { | |
2590 | err = -EBUSY; | |
2591 | goto out; | |
2592 | } | |
2593 | ||
2594 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2595 | out: | |
2596 | put_res(dev, slave, srqn, RES_SRQ); | |
2597 | return err; | |
2598 | } | |
2599 | ||
2600 | int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2601 | struct mlx4_vhcr *vhcr, | |
2602 | struct mlx4_cmd_mailbox *inbox, | |
2603 | struct mlx4_cmd_mailbox *outbox, | |
2604 | struct mlx4_cmd_info *cmd) | |
2605 | { | |
2606 | int err; | |
2607 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2608 | struct res_qp *qp; | |
2609 | ||
2610 | err = get_res(dev, slave, qpn, RES_QP, &qp); | |
2611 | if (err) | |
2612 | return err; | |
2613 | if (qp->com.from_state != RES_QP_HW) { | |
2614 | err = -EBUSY; | |
2615 | goto out; | |
2616 | } | |
2617 | ||
2618 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2619 | out: | |
2620 | put_res(dev, slave, qpn, RES_QP); | |
2621 | return err; | |
2622 | } | |
2623 | ||
2624 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2625 | struct mlx4_vhcr *vhcr, | |
2626 | struct mlx4_cmd_mailbox *inbox, | |
2627 | struct mlx4_cmd_mailbox *outbox, | |
2628 | struct mlx4_cmd_info *cmd) | |
2629 | { | |
2630 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2631 | ||
2632 | update_ud_gid(dev, qpc, (u8)slave); | |
2633 | ||
2634 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2635 | } | |
2636 | ||
2637 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2638 | struct mlx4_vhcr *vhcr, | |
2639 | struct mlx4_cmd_mailbox *inbox, | |
2640 | struct mlx4_cmd_mailbox *outbox, | |
2641 | struct mlx4_cmd_info *cmd) | |
2642 | { | |
2643 | int err; | |
2644 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2645 | struct res_qp *qp; | |
2646 | ||
2647 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); | |
2648 | if (err) | |
2649 | return err; | |
2650 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2651 | if (err) | |
2652 | goto ex_abort; | |
2653 | ||
2654 | atomic_dec(&qp->mtt->ref_count); | |
2655 | atomic_dec(&qp->rcq->ref_count); | |
2656 | atomic_dec(&qp->scq->ref_count); | |
2657 | if (qp->srq) | |
2658 | atomic_dec(&qp->srq->ref_count); | |
2659 | res_end_move(dev, slave, RES_QP, qpn); | |
2660 | return 0; | |
2661 | ||
2662 | ex_abort: | |
2663 | res_abort_move(dev, slave, RES_QP, qpn); | |
2664 | ||
2665 | return err; | |
2666 | } | |
2667 | ||
2668 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, | |
2669 | struct res_qp *rqp, u8 *gid) | |
2670 | { | |
2671 | struct res_gid *res; | |
2672 | ||
2673 | list_for_each_entry(res, &rqp->mcg_list, list) { | |
2674 | if (!memcmp(res->gid, gid, 16)) | |
2675 | return res; | |
2676 | } | |
2677 | return NULL; | |
2678 | } | |
2679 | ||
2680 | static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 EE |
2681 | u8 *gid, enum mlx4_protocol prot, |
2682 | enum mlx4_steer_type steer) | |
c82e9aa0 EC |
2683 | { |
2684 | struct res_gid *res; | |
2685 | int err; | |
2686 | ||
2687 | res = kzalloc(sizeof *res, GFP_KERNEL); | |
2688 | if (!res) | |
2689 | return -ENOMEM; | |
2690 | ||
2691 | spin_lock_irq(&rqp->mcg_spl); | |
2692 | if (find_gid(dev, slave, rqp, gid)) { | |
2693 | kfree(res); | |
2694 | err = -EEXIST; | |
2695 | } else { | |
2696 | memcpy(res->gid, gid, 16); | |
2697 | res->prot = prot; | |
9f5b6c63 | 2698 | res->steer = steer; |
c82e9aa0 EC |
2699 | list_add_tail(&res->list, &rqp->mcg_list); |
2700 | err = 0; | |
2701 | } | |
2702 | spin_unlock_irq(&rqp->mcg_spl); | |
2703 | ||
2704 | return err; | |
2705 | } | |
2706 | ||
2707 | static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 EE |
2708 | u8 *gid, enum mlx4_protocol prot, |
2709 | enum mlx4_steer_type steer) | |
c82e9aa0 EC |
2710 | { |
2711 | struct res_gid *res; | |
2712 | int err; | |
2713 | ||
2714 | spin_lock_irq(&rqp->mcg_spl); | |
2715 | res = find_gid(dev, slave, rqp, gid); | |
9f5b6c63 | 2716 | if (!res || res->prot != prot || res->steer != steer) |
c82e9aa0 EC |
2717 | err = -EINVAL; |
2718 | else { | |
2719 | list_del(&res->list); | |
2720 | kfree(res); | |
2721 | err = 0; | |
2722 | } | |
2723 | spin_unlock_irq(&rqp->mcg_spl); | |
2724 | ||
2725 | return err; | |
2726 | } | |
2727 | ||
2728 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, | |
2729 | struct mlx4_vhcr *vhcr, | |
2730 | struct mlx4_cmd_mailbox *inbox, | |
2731 | struct mlx4_cmd_mailbox *outbox, | |
2732 | struct mlx4_cmd_info *cmd) | |
2733 | { | |
2734 | struct mlx4_qp qp; /* dummy for calling attach/detach */ | |
2735 | u8 *gid = inbox->buf; | |
2736 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; | |
162344ed | 2737 | int err; |
c82e9aa0 EC |
2738 | int qpn; |
2739 | struct res_qp *rqp; | |
2740 | int attach = vhcr->op_modifier; | |
2741 | int block_loopback = vhcr->in_modifier >> 31; | |
2742 | u8 steer_type_mask = 2; | |
75c6062c | 2743 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
c82e9aa0 EC |
2744 | |
2745 | qpn = vhcr->in_modifier & 0xffffff; | |
2746 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
2747 | if (err) | |
2748 | return err; | |
2749 | ||
2750 | qp.qpn = qpn; | |
2751 | if (attach) { | |
9f5b6c63 | 2752 | err = add_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2753 | if (err) |
2754 | goto ex_put; | |
2755 | ||
2756 | err = mlx4_qp_attach_common(dev, &qp, gid, | |
2757 | block_loopback, prot, type); | |
2758 | if (err) | |
2759 | goto ex_rem; | |
2760 | } else { | |
9f5b6c63 | 2761 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2762 | if (err) |
2763 | goto ex_put; | |
2764 | err = mlx4_qp_detach_common(dev, &qp, gid, prot, type); | |
2765 | } | |
2766 | ||
2767 | put_res(dev, slave, qpn, RES_QP); | |
2768 | return 0; | |
2769 | ||
2770 | ex_rem: | |
2771 | /* ignore error return below, already in error */ | |
162344ed | 2772 | (void) rem_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2773 | ex_put: |
2774 | put_res(dev, slave, qpn, RES_QP); | |
2775 | ||
2776 | return err; | |
2777 | } | |
2778 | ||
8fcfb4db HHZ |
2779 | int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
2780 | struct mlx4_vhcr *vhcr, | |
2781 | struct mlx4_cmd_mailbox *inbox, | |
2782 | struct mlx4_cmd_mailbox *outbox, | |
2783 | struct mlx4_cmd_info *cmd) | |
2784 | { | |
1b9c6b06 HHZ |
2785 | int err; |
2786 | ||
0ff1fb65 HHZ |
2787 | if (dev->caps.steering_mode != |
2788 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2789 | return -EOPNOTSUPP; | |
1b9c6b06 HHZ |
2790 | |
2791 | err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, | |
2792 | vhcr->in_modifier, 0, | |
2793 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
2794 | MLX4_CMD_NATIVE); | |
2795 | if (err) | |
2796 | return err; | |
2797 | ||
2798 | err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, 0); | |
2799 | if (err) { | |
2800 | mlx4_err(dev, "Fail to add flow steering resources.\n "); | |
2801 | /* detach rule*/ | |
2802 | mlx4_cmd(dev, vhcr->out_param, 0, 0, | |
2803 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
2804 | MLX4_CMD_NATIVE); | |
2805 | } | |
2806 | return err; | |
8fcfb4db HHZ |
2807 | } |
2808 | ||
2809 | int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, | |
2810 | struct mlx4_vhcr *vhcr, | |
2811 | struct mlx4_cmd_mailbox *inbox, | |
2812 | struct mlx4_cmd_mailbox *outbox, | |
2813 | struct mlx4_cmd_info *cmd) | |
2814 | { | |
1b9c6b06 HHZ |
2815 | int err; |
2816 | ||
0ff1fb65 HHZ |
2817 | if (dev->caps.steering_mode != |
2818 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2819 | return -EOPNOTSUPP; | |
1b9c6b06 HHZ |
2820 | |
2821 | err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); | |
2822 | if (err) { | |
2823 | mlx4_err(dev, "Fail to remove flow steering resources.\n "); | |
2824 | return err; | |
2825 | } | |
2826 | ||
2827 | err = mlx4_cmd(dev, vhcr->in_param, 0, 0, | |
2828 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
2829 | MLX4_CMD_NATIVE); | |
2830 | return err; | |
8fcfb4db HHZ |
2831 | } |
2832 | ||
c82e9aa0 EC |
2833 | enum { |
2834 | BUSY_MAX_RETRIES = 10 | |
2835 | }; | |
2836 | ||
2837 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, | |
2838 | struct mlx4_vhcr *vhcr, | |
2839 | struct mlx4_cmd_mailbox *inbox, | |
2840 | struct mlx4_cmd_mailbox *outbox, | |
2841 | struct mlx4_cmd_info *cmd) | |
2842 | { | |
2843 | int err; | |
2844 | int index = vhcr->in_modifier & 0xffff; | |
2845 | ||
2846 | err = get_res(dev, slave, index, RES_COUNTER, NULL); | |
2847 | if (err) | |
2848 | return err; | |
2849 | ||
2850 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2851 | put_res(dev, slave, index, RES_COUNTER); | |
2852 | return err; | |
2853 | } | |
2854 | ||
2855 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) | |
2856 | { | |
2857 | struct res_gid *rgid; | |
2858 | struct res_gid *tmp; | |
c82e9aa0 EC |
2859 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
2860 | ||
2861 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { | |
2862 | qp.qpn = rqp->local_qpn; | |
162344ed OG |
2863 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot, |
2864 | rgid->steer); | |
c82e9aa0 EC |
2865 | list_del(&rgid->list); |
2866 | kfree(rgid); | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | static int _move_all_busy(struct mlx4_dev *dev, int slave, | |
2871 | enum mlx4_resource type, int print) | |
2872 | { | |
2873 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2874 | struct mlx4_resource_tracker *tracker = | |
2875 | &priv->mfunc.master.res_tracker; | |
2876 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; | |
2877 | struct res_common *r; | |
2878 | struct res_common *tmp; | |
2879 | int busy; | |
2880 | ||
2881 | busy = 0; | |
2882 | spin_lock_irq(mlx4_tlock(dev)); | |
2883 | list_for_each_entry_safe(r, tmp, rlist, list) { | |
2884 | if (r->owner == slave) { | |
2885 | if (!r->removing) { | |
2886 | if (r->state == RES_ANY_BUSY) { | |
2887 | if (print) | |
2888 | mlx4_dbg(dev, | |
aa1ec3dd | 2889 | "%s id 0x%llx is busy\n", |
c82e9aa0 EC |
2890 | ResourceType(type), |
2891 | r->res_id); | |
2892 | ++busy; | |
2893 | } else { | |
2894 | r->from_state = r->state; | |
2895 | r->state = RES_ANY_BUSY; | |
2896 | r->removing = 1; | |
2897 | } | |
2898 | } | |
2899 | } | |
2900 | } | |
2901 | spin_unlock_irq(mlx4_tlock(dev)); | |
2902 | ||
2903 | return busy; | |
2904 | } | |
2905 | ||
2906 | static int move_all_busy(struct mlx4_dev *dev, int slave, | |
2907 | enum mlx4_resource type) | |
2908 | { | |
2909 | unsigned long begin; | |
2910 | int busy; | |
2911 | ||
2912 | begin = jiffies; | |
2913 | do { | |
2914 | busy = _move_all_busy(dev, slave, type, 0); | |
2915 | if (time_after(jiffies, begin + 5 * HZ)) | |
2916 | break; | |
2917 | if (busy) | |
2918 | cond_resched(); | |
2919 | } while (busy); | |
2920 | ||
2921 | if (busy) | |
2922 | busy = _move_all_busy(dev, slave, type, 1); | |
2923 | ||
2924 | return busy; | |
2925 | } | |
2926 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) | |
2927 | { | |
2928 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2929 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2930 | struct list_head *qp_list = | |
2931 | &tracker->slave_list[slave].res_list[RES_QP]; | |
2932 | struct res_qp *qp; | |
2933 | struct res_qp *tmp; | |
2934 | int state; | |
2935 | u64 in_param; | |
2936 | int qpn; | |
2937 | int err; | |
2938 | ||
2939 | err = move_all_busy(dev, slave, RES_QP); | |
2940 | if (err) | |
2941 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy" | |
2942 | "for slave %d\n", slave); | |
2943 | ||
2944 | spin_lock_irq(mlx4_tlock(dev)); | |
2945 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
2946 | spin_unlock_irq(mlx4_tlock(dev)); | |
2947 | if (qp->com.owner == slave) { | |
2948 | qpn = qp->com.res_id; | |
2949 | detach_qp(dev, slave, qp); | |
2950 | state = qp->com.from_state; | |
2951 | while (state != 0) { | |
2952 | switch (state) { | |
2953 | case RES_QP_RESERVED: | |
2954 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
2955 | rb_erase(&qp->com.node, |
2956 | &tracker->res_tree[RES_QP]); | |
c82e9aa0 EC |
2957 | list_del(&qp->com.list); |
2958 | spin_unlock_irq(mlx4_tlock(dev)); | |
2959 | kfree(qp); | |
2960 | state = 0; | |
2961 | break; | |
2962 | case RES_QP_MAPPED: | |
2963 | if (!valid_reserved(dev, slave, qpn)) | |
2964 | __mlx4_qp_free_icm(dev, qpn); | |
2965 | state = RES_QP_RESERVED; | |
2966 | break; | |
2967 | case RES_QP_HW: | |
2968 | in_param = slave; | |
2969 | err = mlx4_cmd(dev, in_param, | |
2970 | qp->local_qpn, 2, | |
2971 | MLX4_CMD_2RST_QP, | |
2972 | MLX4_CMD_TIME_CLASS_A, | |
2973 | MLX4_CMD_NATIVE); | |
2974 | if (err) | |
2975 | mlx4_dbg(dev, "rem_slave_qps: failed" | |
2976 | " to move slave %d qpn %d to" | |
2977 | " reset\n", slave, | |
2978 | qp->local_qpn); | |
2979 | atomic_dec(&qp->rcq->ref_count); | |
2980 | atomic_dec(&qp->scq->ref_count); | |
2981 | atomic_dec(&qp->mtt->ref_count); | |
2982 | if (qp->srq) | |
2983 | atomic_dec(&qp->srq->ref_count); | |
2984 | state = RES_QP_MAPPED; | |
2985 | break; | |
2986 | default: | |
2987 | state = 0; | |
2988 | } | |
2989 | } | |
2990 | } | |
2991 | spin_lock_irq(mlx4_tlock(dev)); | |
2992 | } | |
2993 | spin_unlock_irq(mlx4_tlock(dev)); | |
2994 | } | |
2995 | ||
2996 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) | |
2997 | { | |
2998 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2999 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3000 | struct list_head *srq_list = | |
3001 | &tracker->slave_list[slave].res_list[RES_SRQ]; | |
3002 | struct res_srq *srq; | |
3003 | struct res_srq *tmp; | |
3004 | int state; | |
3005 | u64 in_param; | |
3006 | LIST_HEAD(tlist); | |
3007 | int srqn; | |
3008 | int err; | |
3009 | ||
3010 | err = move_all_busy(dev, slave, RES_SRQ); | |
3011 | if (err) | |
3012 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs to " | |
3013 | "busy for slave %d\n", slave); | |
3014 | ||
3015 | spin_lock_irq(mlx4_tlock(dev)); | |
3016 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { | |
3017 | spin_unlock_irq(mlx4_tlock(dev)); | |
3018 | if (srq->com.owner == slave) { | |
3019 | srqn = srq->com.res_id; | |
3020 | state = srq->com.from_state; | |
3021 | while (state != 0) { | |
3022 | switch (state) { | |
3023 | case RES_SRQ_ALLOCATED: | |
3024 | __mlx4_srq_free_icm(dev, srqn); | |
3025 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
3026 | rb_erase(&srq->com.node, |
3027 | &tracker->res_tree[RES_SRQ]); | |
c82e9aa0 EC |
3028 | list_del(&srq->com.list); |
3029 | spin_unlock_irq(mlx4_tlock(dev)); | |
3030 | kfree(srq); | |
3031 | state = 0; | |
3032 | break; | |
3033 | ||
3034 | case RES_SRQ_HW: | |
3035 | in_param = slave; | |
3036 | err = mlx4_cmd(dev, in_param, srqn, 1, | |
3037 | MLX4_CMD_HW2SW_SRQ, | |
3038 | MLX4_CMD_TIME_CLASS_A, | |
3039 | MLX4_CMD_NATIVE); | |
3040 | if (err) | |
3041 | mlx4_dbg(dev, "rem_slave_srqs: failed" | |
3042 | " to move slave %d srq %d to" | |
3043 | " SW ownership\n", | |
3044 | slave, srqn); | |
3045 | ||
3046 | atomic_dec(&srq->mtt->ref_count); | |
3047 | if (srq->cq) | |
3048 | atomic_dec(&srq->cq->ref_count); | |
3049 | state = RES_SRQ_ALLOCATED; | |
3050 | break; | |
3051 | ||
3052 | default: | |
3053 | state = 0; | |
3054 | } | |
3055 | } | |
3056 | } | |
3057 | spin_lock_irq(mlx4_tlock(dev)); | |
3058 | } | |
3059 | spin_unlock_irq(mlx4_tlock(dev)); | |
3060 | } | |
3061 | ||
3062 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) | |
3063 | { | |
3064 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3065 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3066 | struct list_head *cq_list = | |
3067 | &tracker->slave_list[slave].res_list[RES_CQ]; | |
3068 | struct res_cq *cq; | |
3069 | struct res_cq *tmp; | |
3070 | int state; | |
3071 | u64 in_param; | |
3072 | LIST_HEAD(tlist); | |
3073 | int cqn; | |
3074 | int err; | |
3075 | ||
3076 | err = move_all_busy(dev, slave, RES_CQ); | |
3077 | if (err) | |
3078 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs to " | |
3079 | "busy for slave %d\n", slave); | |
3080 | ||
3081 | spin_lock_irq(mlx4_tlock(dev)); | |
3082 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { | |
3083 | spin_unlock_irq(mlx4_tlock(dev)); | |
3084 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { | |
3085 | cqn = cq->com.res_id; | |
3086 | state = cq->com.from_state; | |
3087 | while (state != 0) { | |
3088 | switch (state) { | |
3089 | case RES_CQ_ALLOCATED: | |
3090 | __mlx4_cq_free_icm(dev, cqn); | |
3091 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
3092 | rb_erase(&cq->com.node, |
3093 | &tracker->res_tree[RES_CQ]); | |
c82e9aa0 EC |
3094 | list_del(&cq->com.list); |
3095 | spin_unlock_irq(mlx4_tlock(dev)); | |
3096 | kfree(cq); | |
3097 | state = 0; | |
3098 | break; | |
3099 | ||
3100 | case RES_CQ_HW: | |
3101 | in_param = slave; | |
3102 | err = mlx4_cmd(dev, in_param, cqn, 1, | |
3103 | MLX4_CMD_HW2SW_CQ, | |
3104 | MLX4_CMD_TIME_CLASS_A, | |
3105 | MLX4_CMD_NATIVE); | |
3106 | if (err) | |
3107 | mlx4_dbg(dev, "rem_slave_cqs: failed" | |
3108 | " to move slave %d cq %d to" | |
3109 | " SW ownership\n", | |
3110 | slave, cqn); | |
3111 | atomic_dec(&cq->mtt->ref_count); | |
3112 | state = RES_CQ_ALLOCATED; | |
3113 | break; | |
3114 | ||
3115 | default: | |
3116 | state = 0; | |
3117 | } | |
3118 | } | |
3119 | } | |
3120 | spin_lock_irq(mlx4_tlock(dev)); | |
3121 | } | |
3122 | spin_unlock_irq(mlx4_tlock(dev)); | |
3123 | } | |
3124 | ||
3125 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) | |
3126 | { | |
3127 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3128 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3129 | struct list_head *mpt_list = | |
3130 | &tracker->slave_list[slave].res_list[RES_MPT]; | |
3131 | struct res_mpt *mpt; | |
3132 | struct res_mpt *tmp; | |
3133 | int state; | |
3134 | u64 in_param; | |
3135 | LIST_HEAD(tlist); | |
3136 | int mptn; | |
3137 | int err; | |
3138 | ||
3139 | err = move_all_busy(dev, slave, RES_MPT); | |
3140 | if (err) | |
3141 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts to " | |
3142 | "busy for slave %d\n", slave); | |
3143 | ||
3144 | spin_lock_irq(mlx4_tlock(dev)); | |
3145 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { | |
3146 | spin_unlock_irq(mlx4_tlock(dev)); | |
3147 | if (mpt->com.owner == slave) { | |
3148 | mptn = mpt->com.res_id; | |
3149 | state = mpt->com.from_state; | |
3150 | while (state != 0) { | |
3151 | switch (state) { | |
3152 | case RES_MPT_RESERVED: | |
3153 | __mlx4_mr_release(dev, mpt->key); | |
3154 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
3155 | rb_erase(&mpt->com.node, |
3156 | &tracker->res_tree[RES_MPT]); | |
c82e9aa0 EC |
3157 | list_del(&mpt->com.list); |
3158 | spin_unlock_irq(mlx4_tlock(dev)); | |
3159 | kfree(mpt); | |
3160 | state = 0; | |
3161 | break; | |
3162 | ||
3163 | case RES_MPT_MAPPED: | |
3164 | __mlx4_mr_free_icm(dev, mpt->key); | |
3165 | state = RES_MPT_RESERVED; | |
3166 | break; | |
3167 | ||
3168 | case RES_MPT_HW: | |
3169 | in_param = slave; | |
3170 | err = mlx4_cmd(dev, in_param, mptn, 0, | |
3171 | MLX4_CMD_HW2SW_MPT, | |
3172 | MLX4_CMD_TIME_CLASS_A, | |
3173 | MLX4_CMD_NATIVE); | |
3174 | if (err) | |
3175 | mlx4_dbg(dev, "rem_slave_mrs: failed" | |
3176 | " to move slave %d mpt %d to" | |
3177 | " SW ownership\n", | |
3178 | slave, mptn); | |
3179 | if (mpt->mtt) | |
3180 | atomic_dec(&mpt->mtt->ref_count); | |
3181 | state = RES_MPT_MAPPED; | |
3182 | break; | |
3183 | default: | |
3184 | state = 0; | |
3185 | } | |
3186 | } | |
3187 | } | |
3188 | spin_lock_irq(mlx4_tlock(dev)); | |
3189 | } | |
3190 | spin_unlock_irq(mlx4_tlock(dev)); | |
3191 | } | |
3192 | ||
3193 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) | |
3194 | { | |
3195 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3196 | struct mlx4_resource_tracker *tracker = | |
3197 | &priv->mfunc.master.res_tracker; | |
3198 | struct list_head *mtt_list = | |
3199 | &tracker->slave_list[slave].res_list[RES_MTT]; | |
3200 | struct res_mtt *mtt; | |
3201 | struct res_mtt *tmp; | |
3202 | int state; | |
3203 | LIST_HEAD(tlist); | |
3204 | int base; | |
3205 | int err; | |
3206 | ||
3207 | err = move_all_busy(dev, slave, RES_MTT); | |
3208 | if (err) | |
3209 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts to " | |
3210 | "busy for slave %d\n", slave); | |
3211 | ||
3212 | spin_lock_irq(mlx4_tlock(dev)); | |
3213 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { | |
3214 | spin_unlock_irq(mlx4_tlock(dev)); | |
3215 | if (mtt->com.owner == slave) { | |
3216 | base = mtt->com.res_id; | |
3217 | state = mtt->com.from_state; | |
3218 | while (state != 0) { | |
3219 | switch (state) { | |
3220 | case RES_MTT_ALLOCATED: | |
3221 | __mlx4_free_mtt_range(dev, base, | |
3222 | mtt->order); | |
3223 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
3224 | rb_erase(&mtt->com.node, |
3225 | &tracker->res_tree[RES_MTT]); | |
c82e9aa0 EC |
3226 | list_del(&mtt->com.list); |
3227 | spin_unlock_irq(mlx4_tlock(dev)); | |
3228 | kfree(mtt); | |
3229 | state = 0; | |
3230 | break; | |
3231 | ||
3232 | default: | |
3233 | state = 0; | |
3234 | } | |
3235 | } | |
3236 | } | |
3237 | spin_lock_irq(mlx4_tlock(dev)); | |
3238 | } | |
3239 | spin_unlock_irq(mlx4_tlock(dev)); | |
3240 | } | |
3241 | ||
1b9c6b06 HHZ |
3242 | static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) |
3243 | { | |
3244 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3245 | struct mlx4_resource_tracker *tracker = | |
3246 | &priv->mfunc.master.res_tracker; | |
3247 | struct list_head *fs_rule_list = | |
3248 | &tracker->slave_list[slave].res_list[RES_FS_RULE]; | |
3249 | struct res_fs_rule *fs_rule; | |
3250 | struct res_fs_rule *tmp; | |
3251 | int state; | |
3252 | u64 base; | |
3253 | int err; | |
3254 | ||
3255 | err = move_all_busy(dev, slave, RES_FS_RULE); | |
3256 | if (err) | |
3257 | mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", | |
3258 | slave); | |
3259 | ||
3260 | spin_lock_irq(mlx4_tlock(dev)); | |
3261 | list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { | |
3262 | spin_unlock_irq(mlx4_tlock(dev)); | |
3263 | if (fs_rule->com.owner == slave) { | |
3264 | base = fs_rule->com.res_id; | |
3265 | state = fs_rule->com.from_state; | |
3266 | while (state != 0) { | |
3267 | switch (state) { | |
3268 | case RES_FS_RULE_ALLOCATED: | |
3269 | /* detach rule */ | |
3270 | err = mlx4_cmd(dev, base, 0, 0, | |
3271 | MLX4_QP_FLOW_STEERING_DETACH, | |
3272 | MLX4_CMD_TIME_CLASS_A, | |
3273 | MLX4_CMD_NATIVE); | |
3274 | ||
3275 | spin_lock_irq(mlx4_tlock(dev)); | |
3276 | rb_erase(&fs_rule->com.node, | |
3277 | &tracker->res_tree[RES_FS_RULE]); | |
3278 | list_del(&fs_rule->com.list); | |
3279 | spin_unlock_irq(mlx4_tlock(dev)); | |
3280 | kfree(fs_rule); | |
3281 | state = 0; | |
3282 | break; | |
3283 | ||
3284 | default: | |
3285 | state = 0; | |
3286 | } | |
3287 | } | |
3288 | } | |
3289 | spin_lock_irq(mlx4_tlock(dev)); | |
3290 | } | |
3291 | spin_unlock_irq(mlx4_tlock(dev)); | |
3292 | } | |
3293 | ||
c82e9aa0 EC |
3294 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) |
3295 | { | |
3296 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3297 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3298 | struct list_head *eq_list = | |
3299 | &tracker->slave_list[slave].res_list[RES_EQ]; | |
3300 | struct res_eq *eq; | |
3301 | struct res_eq *tmp; | |
3302 | int err; | |
3303 | int state; | |
3304 | LIST_HEAD(tlist); | |
3305 | int eqn; | |
3306 | struct mlx4_cmd_mailbox *mailbox; | |
3307 | ||
3308 | err = move_all_busy(dev, slave, RES_EQ); | |
3309 | if (err) | |
3310 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs to " | |
3311 | "busy for slave %d\n", slave); | |
3312 | ||
3313 | spin_lock_irq(mlx4_tlock(dev)); | |
3314 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { | |
3315 | spin_unlock_irq(mlx4_tlock(dev)); | |
3316 | if (eq->com.owner == slave) { | |
3317 | eqn = eq->com.res_id; | |
3318 | state = eq->com.from_state; | |
3319 | while (state != 0) { | |
3320 | switch (state) { | |
3321 | case RES_EQ_RESERVED: | |
3322 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
3323 | rb_erase(&eq->com.node, |
3324 | &tracker->res_tree[RES_EQ]); | |
c82e9aa0 EC |
3325 | list_del(&eq->com.list); |
3326 | spin_unlock_irq(mlx4_tlock(dev)); | |
3327 | kfree(eq); | |
3328 | state = 0; | |
3329 | break; | |
3330 | ||
3331 | case RES_EQ_HW: | |
3332 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
3333 | if (IS_ERR(mailbox)) { | |
3334 | cond_resched(); | |
3335 | continue; | |
3336 | } | |
3337 | err = mlx4_cmd_box(dev, slave, 0, | |
3338 | eqn & 0xff, 0, | |
3339 | MLX4_CMD_HW2SW_EQ, | |
3340 | MLX4_CMD_TIME_CLASS_A, | |
3341 | MLX4_CMD_NATIVE); | |
eb71d0d6 JM |
3342 | if (err) |
3343 | mlx4_dbg(dev, "rem_slave_eqs: failed" | |
3344 | " to move slave %d eqs %d to" | |
3345 | " SW ownership\n", slave, eqn); | |
c82e9aa0 | 3346 | mlx4_free_cmd_mailbox(dev, mailbox); |
eb71d0d6 JM |
3347 | atomic_dec(&eq->mtt->ref_count); |
3348 | state = RES_EQ_RESERVED; | |
c82e9aa0 EC |
3349 | break; |
3350 | ||
3351 | default: | |
3352 | state = 0; | |
3353 | } | |
3354 | } | |
3355 | } | |
3356 | spin_lock_irq(mlx4_tlock(dev)); | |
3357 | } | |
3358 | spin_unlock_irq(mlx4_tlock(dev)); | |
3359 | } | |
3360 | ||
ba062d52 JM |
3361 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
3362 | { | |
3363 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3364 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3365 | struct list_head *counter_list = | |
3366 | &tracker->slave_list[slave].res_list[RES_COUNTER]; | |
3367 | struct res_counter *counter; | |
3368 | struct res_counter *tmp; | |
3369 | int err; | |
3370 | int index; | |
3371 | ||
3372 | err = move_all_busy(dev, slave, RES_COUNTER); | |
3373 | if (err) | |
3374 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters to " | |
3375 | "busy for slave %d\n", slave); | |
3376 | ||
3377 | spin_lock_irq(mlx4_tlock(dev)); | |
3378 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { | |
3379 | if (counter->com.owner == slave) { | |
3380 | index = counter->com.res_id; | |
4af1c048 HHZ |
3381 | rb_erase(&counter->com.node, |
3382 | &tracker->res_tree[RES_COUNTER]); | |
ba062d52 JM |
3383 | list_del(&counter->com.list); |
3384 | kfree(counter); | |
3385 | __mlx4_counter_free(dev, index); | |
3386 | } | |
3387 | } | |
3388 | spin_unlock_irq(mlx4_tlock(dev)); | |
3389 | } | |
3390 | ||
3391 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) | |
3392 | { | |
3393 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3394 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3395 | struct list_head *xrcdn_list = | |
3396 | &tracker->slave_list[slave].res_list[RES_XRCD]; | |
3397 | struct res_xrcdn *xrcd; | |
3398 | struct res_xrcdn *tmp; | |
3399 | int err; | |
3400 | int xrcdn; | |
3401 | ||
3402 | err = move_all_busy(dev, slave, RES_XRCD); | |
3403 | if (err) | |
3404 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns to " | |
3405 | "busy for slave %d\n", slave); | |
3406 | ||
3407 | spin_lock_irq(mlx4_tlock(dev)); | |
3408 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { | |
3409 | if (xrcd->com.owner == slave) { | |
3410 | xrcdn = xrcd->com.res_id; | |
4af1c048 | 3411 | rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); |
ba062d52 JM |
3412 | list_del(&xrcd->com.list); |
3413 | kfree(xrcd); | |
3414 | __mlx4_xrcd_free(dev, xrcdn); | |
3415 | } | |
3416 | } | |
3417 | spin_unlock_irq(mlx4_tlock(dev)); | |
3418 | } | |
3419 | ||
c82e9aa0 EC |
3420 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
3421 | { | |
3422 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3423 | ||
3424 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); | |
3425 | /*VLAN*/ | |
3426 | rem_slave_macs(dev, slave); | |
3427 | rem_slave_qps(dev, slave); | |
3428 | rem_slave_srqs(dev, slave); | |
3429 | rem_slave_cqs(dev, slave); | |
3430 | rem_slave_mrs(dev, slave); | |
3431 | rem_slave_eqs(dev, slave); | |
3432 | rem_slave_mtts(dev, slave); | |
ba062d52 JM |
3433 | rem_slave_counters(dev, slave); |
3434 | rem_slave_xrcdns(dev, slave); | |
1b9c6b06 | 3435 | rem_slave_fs_rule(dev, slave); |
c82e9aa0 EC |
3436 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
3437 | } |