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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> | |
44 | ||
45 | #include "mlx4.h" | |
46 | #include "fw.h" | |
47 | ||
48 | #define MLX4_MAC_VALID (1ull << 63) | |
49 | #define MLX4_MAC_MASK 0x7fffffffffffffffULL | |
50 | #define ETH_ALEN 6 | |
51 | ||
52 | struct mac_res { | |
53 | struct list_head list; | |
54 | u64 mac; | |
55 | u8 port; | |
56 | }; | |
57 | ||
58 | struct res_common { | |
59 | struct list_head list; | |
60 | u32 res_id; | |
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 | ||
c82e9aa0 EC |
192 | /* For Debug uses */ |
193 | static const char *ResourceType(enum mlx4_resource rt) | |
194 | { | |
195 | switch (rt) { | |
196 | case RES_QP: return "RES_QP"; | |
197 | case RES_CQ: return "RES_CQ"; | |
198 | case RES_SRQ: return "RES_SRQ"; | |
199 | case RES_MPT: return "RES_MPT"; | |
200 | case RES_MTT: return "RES_MTT"; | |
201 | case RES_MAC: return "RES_MAC"; | |
202 | case RES_EQ: return "RES_EQ"; | |
203 | case RES_COUNTER: return "RES_COUNTER"; | |
ba062d52 | 204 | case RES_XRCD: return "RES_XRCD"; |
c82e9aa0 EC |
205 | default: return "Unknown resource type !!!"; |
206 | }; | |
207 | } | |
208 | ||
c82e9aa0 EC |
209 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
210 | { | |
211 | struct mlx4_priv *priv = mlx4_priv(dev); | |
212 | int i; | |
213 | int t; | |
214 | ||
215 | priv->mfunc.master.res_tracker.slave_list = | |
216 | kzalloc(dev->num_slaves * sizeof(struct slave_list), | |
217 | GFP_KERNEL); | |
218 | if (!priv->mfunc.master.res_tracker.slave_list) | |
219 | return -ENOMEM; | |
220 | ||
221 | for (i = 0 ; i < dev->num_slaves; i++) { | |
222 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) | |
223 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. | |
224 | slave_list[i].res_list[t]); | |
225 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
226 | } | |
227 | ||
228 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", | |
229 | dev->num_slaves); | |
230 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) | |
231 | INIT_RADIX_TREE(&priv->mfunc.master.res_tracker.res_tree[i], | |
232 | GFP_ATOMIC|__GFP_NOWARN); | |
233 | ||
234 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); | |
235 | return 0 ; | |
236 | } | |
237 | ||
b8924951 JM |
238 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
239 | enum mlx4_res_tracker_free_type type) | |
c82e9aa0 EC |
240 | { |
241 | struct mlx4_priv *priv = mlx4_priv(dev); | |
242 | int i; | |
243 | ||
244 | if (priv->mfunc.master.res_tracker.slave_list) { | |
b8924951 JM |
245 | if (type != RES_TR_FREE_STRUCTS_ONLY) |
246 | for (i = 0 ; i < dev->num_slaves; i++) | |
247 | if (type == RES_TR_FREE_ALL || | |
248 | dev->caps.function != i) | |
249 | mlx4_delete_all_resources_for_slave(dev, i); | |
250 | ||
251 | if (type != RES_TR_FREE_SLAVES_ONLY) { | |
252 | kfree(priv->mfunc.master.res_tracker.slave_list); | |
253 | priv->mfunc.master.res_tracker.slave_list = NULL; | |
254 | } | |
c82e9aa0 EC |
255 | } |
256 | } | |
257 | ||
258 | static void update_ud_gid(struct mlx4_dev *dev, | |
259 | struct mlx4_qp_context *qp_ctx, u8 slave) | |
260 | { | |
261 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
262 | ||
263 | if (MLX4_QP_ST_UD == ts) | |
264 | qp_ctx->pri_path.mgid_index = 0x80 | slave; | |
265 | ||
266 | mlx4_dbg(dev, "slave %d, new gid index: 0x%x ", | |
267 | slave, qp_ctx->pri_path.mgid_index); | |
268 | } | |
269 | ||
270 | static int mpt_mask(struct mlx4_dev *dev) | |
271 | { | |
272 | return dev->caps.num_mpts - 1; | |
273 | } | |
274 | ||
275 | static void *find_res(struct mlx4_dev *dev, int res_id, | |
276 | enum mlx4_resource type) | |
277 | { | |
278 | struct mlx4_priv *priv = mlx4_priv(dev); | |
279 | ||
280 | return radix_tree_lookup(&priv->mfunc.master.res_tracker.res_tree[type], | |
281 | res_id); | |
282 | } | |
283 | ||
284 | static int get_res(struct mlx4_dev *dev, int slave, int res_id, | |
285 | enum mlx4_resource type, | |
286 | void *res) | |
287 | { | |
288 | struct res_common *r; | |
289 | int err = 0; | |
290 | ||
291 | spin_lock_irq(mlx4_tlock(dev)); | |
292 | r = find_res(dev, res_id, type); | |
293 | if (!r) { | |
294 | err = -ENONET; | |
295 | goto exit; | |
296 | } | |
297 | ||
298 | if (r->state == RES_ANY_BUSY) { | |
299 | err = -EBUSY; | |
300 | goto exit; | |
301 | } | |
302 | ||
303 | if (r->owner != slave) { | |
304 | err = -EPERM; | |
305 | goto exit; | |
306 | } | |
307 | ||
308 | r->from_state = r->state; | |
309 | r->state = RES_ANY_BUSY; | |
310 | mlx4_dbg(dev, "res %s id 0x%x to busy\n", | |
311 | ResourceType(type), r->res_id); | |
312 | ||
313 | if (res) | |
314 | *((struct res_common **)res) = r; | |
315 | ||
316 | exit: | |
317 | spin_unlock_irq(mlx4_tlock(dev)); | |
318 | return err; | |
319 | } | |
320 | ||
321 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, | |
322 | enum mlx4_resource type, | |
323 | int res_id, int *slave) | |
324 | { | |
325 | ||
326 | struct res_common *r; | |
327 | int err = -ENOENT; | |
328 | int id = res_id; | |
329 | ||
330 | if (type == RES_QP) | |
331 | id &= 0x7fffff; | |
996b0541 | 332 | spin_lock(mlx4_tlock(dev)); |
c82e9aa0 EC |
333 | |
334 | r = find_res(dev, id, type); | |
335 | if (r) { | |
336 | *slave = r->owner; | |
337 | err = 0; | |
338 | } | |
996b0541 | 339 | spin_unlock(mlx4_tlock(dev)); |
c82e9aa0 EC |
340 | |
341 | return err; | |
342 | } | |
343 | ||
344 | static void put_res(struct mlx4_dev *dev, int slave, int res_id, | |
345 | enum mlx4_resource type) | |
346 | { | |
347 | struct res_common *r; | |
348 | ||
349 | spin_lock_irq(mlx4_tlock(dev)); | |
350 | r = find_res(dev, res_id, type); | |
351 | if (r) | |
352 | r->state = r->from_state; | |
353 | spin_unlock_irq(mlx4_tlock(dev)); | |
354 | } | |
355 | ||
356 | static struct res_common *alloc_qp_tr(int id) | |
357 | { | |
358 | struct res_qp *ret; | |
359 | ||
360 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
361 | if (!ret) | |
362 | return NULL; | |
363 | ||
364 | ret->com.res_id = id; | |
365 | ret->com.state = RES_QP_RESERVED; | |
2531188b | 366 | ret->local_qpn = id; |
c82e9aa0 EC |
367 | INIT_LIST_HEAD(&ret->mcg_list); |
368 | spin_lock_init(&ret->mcg_spl); | |
369 | ||
370 | return &ret->com; | |
371 | } | |
372 | ||
373 | static struct res_common *alloc_mtt_tr(int id, int order) | |
374 | { | |
375 | struct res_mtt *ret; | |
376 | ||
377 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
378 | if (!ret) | |
379 | return NULL; | |
380 | ||
381 | ret->com.res_id = id; | |
382 | ret->order = order; | |
383 | ret->com.state = RES_MTT_ALLOCATED; | |
384 | atomic_set(&ret->ref_count, 0); | |
385 | ||
386 | return &ret->com; | |
387 | } | |
388 | ||
389 | static struct res_common *alloc_mpt_tr(int id, int key) | |
390 | { | |
391 | struct res_mpt *ret; | |
392 | ||
393 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
394 | if (!ret) | |
395 | return NULL; | |
396 | ||
397 | ret->com.res_id = id; | |
398 | ret->com.state = RES_MPT_RESERVED; | |
399 | ret->key = key; | |
400 | ||
401 | return &ret->com; | |
402 | } | |
403 | ||
404 | static struct res_common *alloc_eq_tr(int id) | |
405 | { | |
406 | struct res_eq *ret; | |
407 | ||
408 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
409 | if (!ret) | |
410 | return NULL; | |
411 | ||
412 | ret->com.res_id = id; | |
413 | ret->com.state = RES_EQ_RESERVED; | |
414 | ||
415 | return &ret->com; | |
416 | } | |
417 | ||
418 | static struct res_common *alloc_cq_tr(int id) | |
419 | { | |
420 | struct res_cq *ret; | |
421 | ||
422 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
423 | if (!ret) | |
424 | return NULL; | |
425 | ||
426 | ret->com.res_id = id; | |
427 | ret->com.state = RES_CQ_ALLOCATED; | |
428 | atomic_set(&ret->ref_count, 0); | |
429 | ||
430 | return &ret->com; | |
431 | } | |
432 | ||
433 | static struct res_common *alloc_srq_tr(int id) | |
434 | { | |
435 | struct res_srq *ret; | |
436 | ||
437 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
438 | if (!ret) | |
439 | return NULL; | |
440 | ||
441 | ret->com.res_id = id; | |
442 | ret->com.state = RES_SRQ_ALLOCATED; | |
443 | atomic_set(&ret->ref_count, 0); | |
444 | ||
445 | return &ret->com; | |
446 | } | |
447 | ||
448 | static struct res_common *alloc_counter_tr(int id) | |
449 | { | |
450 | struct res_counter *ret; | |
451 | ||
452 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
453 | if (!ret) | |
454 | return NULL; | |
455 | ||
456 | ret->com.res_id = id; | |
457 | ret->com.state = RES_COUNTER_ALLOCATED; | |
458 | ||
459 | return &ret->com; | |
460 | } | |
461 | ||
ba062d52 JM |
462 | static struct res_common *alloc_xrcdn_tr(int id) |
463 | { | |
464 | struct res_xrcdn *ret; | |
465 | ||
466 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
467 | if (!ret) | |
468 | return NULL; | |
469 | ||
470 | ret->com.res_id = id; | |
471 | ret->com.state = RES_XRCD_ALLOCATED; | |
472 | ||
473 | return &ret->com; | |
474 | } | |
475 | ||
c82e9aa0 EC |
476 | static struct res_common *alloc_tr(int id, enum mlx4_resource type, int slave, |
477 | int extra) | |
478 | { | |
479 | struct res_common *ret; | |
480 | ||
481 | switch (type) { | |
482 | case RES_QP: | |
483 | ret = alloc_qp_tr(id); | |
484 | break; | |
485 | case RES_MPT: | |
486 | ret = alloc_mpt_tr(id, extra); | |
487 | break; | |
488 | case RES_MTT: | |
489 | ret = alloc_mtt_tr(id, extra); | |
490 | break; | |
491 | case RES_EQ: | |
492 | ret = alloc_eq_tr(id); | |
493 | break; | |
494 | case RES_CQ: | |
495 | ret = alloc_cq_tr(id); | |
496 | break; | |
497 | case RES_SRQ: | |
498 | ret = alloc_srq_tr(id); | |
499 | break; | |
500 | case RES_MAC: | |
501 | printk(KERN_ERR "implementation missing\n"); | |
502 | return NULL; | |
503 | case RES_COUNTER: | |
504 | ret = alloc_counter_tr(id); | |
505 | break; | |
ba062d52 JM |
506 | case RES_XRCD: |
507 | ret = alloc_xrcdn_tr(id); | |
508 | break; | |
c82e9aa0 EC |
509 | default: |
510 | return NULL; | |
511 | } | |
512 | if (ret) | |
513 | ret->owner = slave; | |
514 | ||
515 | return ret; | |
516 | } | |
517 | ||
518 | static int add_res_range(struct mlx4_dev *dev, int slave, int base, int count, | |
519 | enum mlx4_resource type, int extra) | |
520 | { | |
521 | int i; | |
522 | int err; | |
523 | struct mlx4_priv *priv = mlx4_priv(dev); | |
524 | struct res_common **res_arr; | |
525 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
526 | struct radix_tree_root *root = &tracker->res_tree[type]; | |
527 | ||
528 | res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL); | |
529 | if (!res_arr) | |
530 | return -ENOMEM; | |
531 | ||
532 | for (i = 0; i < count; ++i) { | |
533 | res_arr[i] = alloc_tr(base + i, type, slave, extra); | |
534 | if (!res_arr[i]) { | |
535 | for (--i; i >= 0; --i) | |
536 | kfree(res_arr[i]); | |
537 | ||
538 | kfree(res_arr); | |
539 | return -ENOMEM; | |
540 | } | |
541 | } | |
542 | ||
543 | spin_lock_irq(mlx4_tlock(dev)); | |
544 | for (i = 0; i < count; ++i) { | |
545 | if (find_res(dev, base + i, type)) { | |
546 | err = -EEXIST; | |
547 | goto undo; | |
548 | } | |
549 | err = radix_tree_insert(root, base + i, res_arr[i]); | |
550 | if (err) | |
551 | goto undo; | |
552 | list_add_tail(&res_arr[i]->list, | |
553 | &tracker->slave_list[slave].res_list[type]); | |
554 | } | |
555 | spin_unlock_irq(mlx4_tlock(dev)); | |
556 | kfree(res_arr); | |
557 | ||
558 | return 0; | |
559 | ||
560 | undo: | |
561 | for (--i; i >= base; --i) | |
562 | radix_tree_delete(&tracker->res_tree[type], i); | |
563 | ||
564 | spin_unlock_irq(mlx4_tlock(dev)); | |
565 | ||
566 | for (i = 0; i < count; ++i) | |
567 | kfree(res_arr[i]); | |
568 | ||
569 | kfree(res_arr); | |
570 | ||
571 | return err; | |
572 | } | |
573 | ||
574 | static int remove_qp_ok(struct res_qp *res) | |
575 | { | |
576 | if (res->com.state == RES_QP_BUSY) | |
577 | return -EBUSY; | |
578 | else if (res->com.state != RES_QP_RESERVED) | |
579 | return -EPERM; | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
584 | static int remove_mtt_ok(struct res_mtt *res, int order) | |
585 | { | |
586 | if (res->com.state == RES_MTT_BUSY || | |
587 | atomic_read(&res->ref_count)) { | |
588 | printk(KERN_DEBUG "%s-%d: state %s, ref_count %d\n", | |
589 | __func__, __LINE__, | |
590 | mtt_states_str(res->com.state), | |
591 | atomic_read(&res->ref_count)); | |
592 | return -EBUSY; | |
593 | } else if (res->com.state != RES_MTT_ALLOCATED) | |
594 | return -EPERM; | |
595 | else if (res->order != order) | |
596 | return -EINVAL; | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
601 | static int remove_mpt_ok(struct res_mpt *res) | |
602 | { | |
603 | if (res->com.state == RES_MPT_BUSY) | |
604 | return -EBUSY; | |
605 | else if (res->com.state != RES_MPT_RESERVED) | |
606 | return -EPERM; | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | static int remove_eq_ok(struct res_eq *res) | |
612 | { | |
613 | if (res->com.state == RES_MPT_BUSY) | |
614 | return -EBUSY; | |
615 | else if (res->com.state != RES_MPT_RESERVED) | |
616 | return -EPERM; | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | static int remove_counter_ok(struct res_counter *res) | |
622 | { | |
623 | if (res->com.state == RES_COUNTER_BUSY) | |
624 | return -EBUSY; | |
625 | else if (res->com.state != RES_COUNTER_ALLOCATED) | |
626 | return -EPERM; | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
ba062d52 JM |
631 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
632 | { | |
633 | if (res->com.state == RES_XRCD_BUSY) | |
634 | return -EBUSY; | |
635 | else if (res->com.state != RES_XRCD_ALLOCATED) | |
636 | return -EPERM; | |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
c82e9aa0 EC |
641 | static int remove_cq_ok(struct res_cq *res) |
642 | { | |
643 | if (res->com.state == RES_CQ_BUSY) | |
644 | return -EBUSY; | |
645 | else if (res->com.state != RES_CQ_ALLOCATED) | |
646 | return -EPERM; | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | static int remove_srq_ok(struct res_srq *res) | |
652 | { | |
653 | if (res->com.state == RES_SRQ_BUSY) | |
654 | return -EBUSY; | |
655 | else if (res->com.state != RES_SRQ_ALLOCATED) | |
656 | return -EPERM; | |
657 | ||
658 | return 0; | |
659 | } | |
660 | ||
661 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) | |
662 | { | |
663 | switch (type) { | |
664 | case RES_QP: | |
665 | return remove_qp_ok((struct res_qp *)res); | |
666 | case RES_CQ: | |
667 | return remove_cq_ok((struct res_cq *)res); | |
668 | case RES_SRQ: | |
669 | return remove_srq_ok((struct res_srq *)res); | |
670 | case RES_MPT: | |
671 | return remove_mpt_ok((struct res_mpt *)res); | |
672 | case RES_MTT: | |
673 | return remove_mtt_ok((struct res_mtt *)res, extra); | |
674 | case RES_MAC: | |
675 | return -ENOSYS; | |
676 | case RES_EQ: | |
677 | return remove_eq_ok((struct res_eq *)res); | |
678 | case RES_COUNTER: | |
679 | return remove_counter_ok((struct res_counter *)res); | |
ba062d52 JM |
680 | case RES_XRCD: |
681 | return remove_xrcdn_ok((struct res_xrcdn *)res); | |
c82e9aa0 EC |
682 | default: |
683 | return -EINVAL; | |
684 | } | |
685 | } | |
686 | ||
687 | static int rem_res_range(struct mlx4_dev *dev, int slave, int base, int count, | |
688 | enum mlx4_resource type, int extra) | |
689 | { | |
690 | int i; | |
691 | int err; | |
692 | struct mlx4_priv *priv = mlx4_priv(dev); | |
693 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
694 | struct res_common *r; | |
695 | ||
696 | spin_lock_irq(mlx4_tlock(dev)); | |
697 | for (i = base; i < base + count; ++i) { | |
698 | r = radix_tree_lookup(&tracker->res_tree[type], i); | |
699 | if (!r) { | |
700 | err = -ENOENT; | |
701 | goto out; | |
702 | } | |
703 | if (r->owner != slave) { | |
704 | err = -EPERM; | |
705 | goto out; | |
706 | } | |
707 | err = remove_ok(r, type, extra); | |
708 | if (err) | |
709 | goto out; | |
710 | } | |
711 | ||
712 | for (i = base; i < base + count; ++i) { | |
713 | r = radix_tree_lookup(&tracker->res_tree[type], i); | |
714 | radix_tree_delete(&tracker->res_tree[type], i); | |
715 | list_del(&r->list); | |
716 | kfree(r); | |
717 | } | |
718 | err = 0; | |
719 | ||
720 | out: | |
721 | spin_unlock_irq(mlx4_tlock(dev)); | |
722 | ||
723 | return err; | |
724 | } | |
725 | ||
726 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, | |
727 | enum res_qp_states state, struct res_qp **qp, | |
728 | int alloc) | |
729 | { | |
730 | struct mlx4_priv *priv = mlx4_priv(dev); | |
731 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
732 | struct res_qp *r; | |
733 | int err = 0; | |
734 | ||
735 | spin_lock_irq(mlx4_tlock(dev)); | |
736 | r = radix_tree_lookup(&tracker->res_tree[RES_QP], qpn); | |
737 | if (!r) | |
738 | err = -ENOENT; | |
739 | else if (r->com.owner != slave) | |
740 | err = -EPERM; | |
741 | else { | |
742 | switch (state) { | |
743 | case RES_QP_BUSY: | |
744 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%x\n", | |
745 | __func__, r->com.res_id); | |
746 | err = -EBUSY; | |
747 | break; | |
748 | ||
749 | case RES_QP_RESERVED: | |
750 | if (r->com.state == RES_QP_MAPPED && !alloc) | |
751 | break; | |
752 | ||
753 | mlx4_dbg(dev, "failed RES_QP, 0x%x\n", r->com.res_id); | |
754 | err = -EINVAL; | |
755 | break; | |
756 | ||
757 | case RES_QP_MAPPED: | |
758 | if ((r->com.state == RES_QP_RESERVED && alloc) || | |
759 | r->com.state == RES_QP_HW) | |
760 | break; | |
761 | else { | |
762 | mlx4_dbg(dev, "failed RES_QP, 0x%x\n", | |
763 | r->com.res_id); | |
764 | err = -EINVAL; | |
765 | } | |
766 | ||
767 | break; | |
768 | ||
769 | case RES_QP_HW: | |
770 | if (r->com.state != RES_QP_MAPPED) | |
771 | err = -EINVAL; | |
772 | break; | |
773 | default: | |
774 | err = -EINVAL; | |
775 | } | |
776 | ||
777 | if (!err) { | |
778 | r->com.from_state = r->com.state; | |
779 | r->com.to_state = state; | |
780 | r->com.state = RES_QP_BUSY; | |
781 | if (qp) | |
782 | *qp = (struct res_qp *)r; | |
783 | } | |
784 | } | |
785 | ||
786 | spin_unlock_irq(mlx4_tlock(dev)); | |
787 | ||
788 | return err; | |
789 | } | |
790 | ||
791 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
792 | enum res_mpt_states state, struct res_mpt **mpt) | |
793 | { | |
794 | struct mlx4_priv *priv = mlx4_priv(dev); | |
795 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
796 | struct res_mpt *r; | |
797 | int err = 0; | |
798 | ||
799 | spin_lock_irq(mlx4_tlock(dev)); | |
800 | r = radix_tree_lookup(&tracker->res_tree[RES_MPT], index); | |
801 | if (!r) | |
802 | err = -ENOENT; | |
803 | else if (r->com.owner != slave) | |
804 | err = -EPERM; | |
805 | else { | |
806 | switch (state) { | |
807 | case RES_MPT_BUSY: | |
808 | err = -EINVAL; | |
809 | break; | |
810 | ||
811 | case RES_MPT_RESERVED: | |
812 | if (r->com.state != RES_MPT_MAPPED) | |
813 | err = -EINVAL; | |
814 | break; | |
815 | ||
816 | case RES_MPT_MAPPED: | |
817 | if (r->com.state != RES_MPT_RESERVED && | |
818 | r->com.state != RES_MPT_HW) | |
819 | err = -EINVAL; | |
820 | break; | |
821 | ||
822 | case RES_MPT_HW: | |
823 | if (r->com.state != RES_MPT_MAPPED) | |
824 | err = -EINVAL; | |
825 | break; | |
826 | default: | |
827 | err = -EINVAL; | |
828 | } | |
829 | ||
830 | if (!err) { | |
831 | r->com.from_state = r->com.state; | |
832 | r->com.to_state = state; | |
833 | r->com.state = RES_MPT_BUSY; | |
834 | if (mpt) | |
835 | *mpt = (struct res_mpt *)r; | |
836 | } | |
837 | } | |
838 | ||
839 | spin_unlock_irq(mlx4_tlock(dev)); | |
840 | ||
841 | return err; | |
842 | } | |
843 | ||
844 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
845 | enum res_eq_states state, struct res_eq **eq) | |
846 | { | |
847 | struct mlx4_priv *priv = mlx4_priv(dev); | |
848 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
849 | struct res_eq *r; | |
850 | int err = 0; | |
851 | ||
852 | spin_lock_irq(mlx4_tlock(dev)); | |
853 | r = radix_tree_lookup(&tracker->res_tree[RES_EQ], index); | |
854 | if (!r) | |
855 | err = -ENOENT; | |
856 | else if (r->com.owner != slave) | |
857 | err = -EPERM; | |
858 | else { | |
859 | switch (state) { | |
860 | case RES_EQ_BUSY: | |
861 | err = -EINVAL; | |
862 | break; | |
863 | ||
864 | case RES_EQ_RESERVED: | |
865 | if (r->com.state != RES_EQ_HW) | |
866 | err = -EINVAL; | |
867 | break; | |
868 | ||
869 | case RES_EQ_HW: | |
870 | if (r->com.state != RES_EQ_RESERVED) | |
871 | err = -EINVAL; | |
872 | break; | |
873 | ||
874 | default: | |
875 | err = -EINVAL; | |
876 | } | |
877 | ||
878 | if (!err) { | |
879 | r->com.from_state = r->com.state; | |
880 | r->com.to_state = state; | |
881 | r->com.state = RES_EQ_BUSY; | |
882 | if (eq) | |
883 | *eq = r; | |
884 | } | |
885 | } | |
886 | ||
887 | spin_unlock_irq(mlx4_tlock(dev)); | |
888 | ||
889 | return err; | |
890 | } | |
891 | ||
892 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, | |
893 | enum res_cq_states state, struct res_cq **cq) | |
894 | { | |
895 | struct mlx4_priv *priv = mlx4_priv(dev); | |
896 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
897 | struct res_cq *r; | |
898 | int err; | |
899 | ||
900 | spin_lock_irq(mlx4_tlock(dev)); | |
901 | r = radix_tree_lookup(&tracker->res_tree[RES_CQ], cqn); | |
902 | if (!r) | |
903 | err = -ENOENT; | |
904 | else if (r->com.owner != slave) | |
905 | err = -EPERM; | |
906 | else { | |
907 | switch (state) { | |
908 | case RES_CQ_BUSY: | |
909 | err = -EBUSY; | |
910 | break; | |
911 | ||
912 | case RES_CQ_ALLOCATED: | |
913 | if (r->com.state != RES_CQ_HW) | |
914 | err = -EINVAL; | |
915 | else if (atomic_read(&r->ref_count)) | |
916 | err = -EBUSY; | |
917 | else | |
918 | err = 0; | |
919 | break; | |
920 | ||
921 | case RES_CQ_HW: | |
922 | if (r->com.state != RES_CQ_ALLOCATED) | |
923 | err = -EINVAL; | |
924 | else | |
925 | err = 0; | |
926 | break; | |
927 | ||
928 | default: | |
929 | err = -EINVAL; | |
930 | } | |
931 | ||
932 | if (!err) { | |
933 | r->com.from_state = r->com.state; | |
934 | r->com.to_state = state; | |
935 | r->com.state = RES_CQ_BUSY; | |
936 | if (cq) | |
937 | *cq = r; | |
938 | } | |
939 | } | |
940 | ||
941 | spin_unlock_irq(mlx4_tlock(dev)); | |
942 | ||
943 | return err; | |
944 | } | |
945 | ||
946 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
947 | enum res_cq_states state, struct res_srq **srq) | |
948 | { | |
949 | struct mlx4_priv *priv = mlx4_priv(dev); | |
950 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
951 | struct res_srq *r; | |
952 | int err = 0; | |
953 | ||
954 | spin_lock_irq(mlx4_tlock(dev)); | |
955 | r = radix_tree_lookup(&tracker->res_tree[RES_SRQ], index); | |
956 | if (!r) | |
957 | err = -ENOENT; | |
958 | else if (r->com.owner != slave) | |
959 | err = -EPERM; | |
960 | else { | |
961 | switch (state) { | |
962 | case RES_SRQ_BUSY: | |
963 | err = -EINVAL; | |
964 | break; | |
965 | ||
966 | case RES_SRQ_ALLOCATED: | |
967 | if (r->com.state != RES_SRQ_HW) | |
968 | err = -EINVAL; | |
969 | else if (atomic_read(&r->ref_count)) | |
970 | err = -EBUSY; | |
971 | break; | |
972 | ||
973 | case RES_SRQ_HW: | |
974 | if (r->com.state != RES_SRQ_ALLOCATED) | |
975 | err = -EINVAL; | |
976 | break; | |
977 | ||
978 | default: | |
979 | err = -EINVAL; | |
980 | } | |
981 | ||
982 | if (!err) { | |
983 | r->com.from_state = r->com.state; | |
984 | r->com.to_state = state; | |
985 | r->com.state = RES_SRQ_BUSY; | |
986 | if (srq) | |
987 | *srq = r; | |
988 | } | |
989 | } | |
990 | ||
991 | spin_unlock_irq(mlx4_tlock(dev)); | |
992 | ||
993 | return err; | |
994 | } | |
995 | ||
996 | static void res_abort_move(struct mlx4_dev *dev, int slave, | |
997 | enum mlx4_resource type, int id) | |
998 | { | |
999 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1000 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1001 | struct res_common *r; | |
1002 | ||
1003 | spin_lock_irq(mlx4_tlock(dev)); | |
1004 | r = radix_tree_lookup(&tracker->res_tree[type], id); | |
1005 | if (r && (r->owner == slave)) | |
1006 | r->state = r->from_state; | |
1007 | spin_unlock_irq(mlx4_tlock(dev)); | |
1008 | } | |
1009 | ||
1010 | static void res_end_move(struct mlx4_dev *dev, int slave, | |
1011 | enum mlx4_resource type, int id) | |
1012 | { | |
1013 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1014 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1015 | struct res_common *r; | |
1016 | ||
1017 | spin_lock_irq(mlx4_tlock(dev)); | |
1018 | r = radix_tree_lookup(&tracker->res_tree[type], id); | |
1019 | if (r && (r->owner == slave)) | |
1020 | r->state = r->to_state; | |
1021 | spin_unlock_irq(mlx4_tlock(dev)); | |
1022 | } | |
1023 | ||
1024 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) | |
1025 | { | |
1026 | return mlx4_is_qp_reserved(dev, qpn); | |
1027 | } | |
1028 | ||
1029 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1030 | u64 in_param, u64 *out_param) | |
1031 | { | |
1032 | int err; | |
1033 | int count; | |
1034 | int align; | |
1035 | int base; | |
1036 | int qpn; | |
1037 | ||
1038 | switch (op) { | |
1039 | case RES_OP_RESERVE: | |
1040 | count = get_param_l(&in_param); | |
1041 | align = get_param_h(&in_param); | |
1042 | err = __mlx4_qp_reserve_range(dev, count, align, &base); | |
1043 | if (err) | |
1044 | return err; | |
1045 | ||
1046 | err = add_res_range(dev, slave, base, count, RES_QP, 0); | |
1047 | if (err) { | |
1048 | __mlx4_qp_release_range(dev, base, count); | |
1049 | return err; | |
1050 | } | |
1051 | set_param_l(out_param, base); | |
1052 | break; | |
1053 | case RES_OP_MAP_ICM: | |
1054 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1055 | if (valid_reserved(dev, slave, qpn)) { | |
1056 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1057 | if (err) | |
1058 | return err; | |
1059 | } | |
1060 | ||
1061 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, | |
1062 | NULL, 1); | |
1063 | if (err) | |
1064 | return err; | |
1065 | ||
1066 | if (!valid_reserved(dev, slave, qpn)) { | |
1067 | err = __mlx4_qp_alloc_icm(dev, qpn); | |
1068 | if (err) { | |
1069 | res_abort_move(dev, slave, RES_QP, qpn); | |
1070 | return err; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | res_end_move(dev, slave, RES_QP, qpn); | |
1075 | break; | |
1076 | ||
1077 | default: | |
1078 | err = -EINVAL; | |
1079 | break; | |
1080 | } | |
1081 | return err; | |
1082 | } | |
1083 | ||
1084 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1085 | u64 in_param, u64 *out_param) | |
1086 | { | |
1087 | int err = -EINVAL; | |
1088 | int base; | |
1089 | int order; | |
1090 | ||
1091 | if (op != RES_OP_RESERVE_AND_MAP) | |
1092 | return err; | |
1093 | ||
1094 | order = get_param_l(&in_param); | |
1095 | base = __mlx4_alloc_mtt_range(dev, order); | |
1096 | if (base == -1) | |
1097 | return -ENOMEM; | |
1098 | ||
1099 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); | |
1100 | if (err) | |
1101 | __mlx4_free_mtt_range(dev, base, order); | |
1102 | else | |
1103 | set_param_l(out_param, base); | |
1104 | ||
1105 | return err; | |
1106 | } | |
1107 | ||
1108 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1109 | u64 in_param, u64 *out_param) | |
1110 | { | |
1111 | int err = -EINVAL; | |
1112 | int index; | |
1113 | int id; | |
1114 | struct res_mpt *mpt; | |
1115 | ||
1116 | switch (op) { | |
1117 | case RES_OP_RESERVE: | |
1118 | index = __mlx4_mr_reserve(dev); | |
1119 | if (index == -1) | |
1120 | break; | |
1121 | id = index & mpt_mask(dev); | |
1122 | ||
1123 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); | |
1124 | if (err) { | |
1125 | __mlx4_mr_release(dev, index); | |
1126 | break; | |
1127 | } | |
1128 | set_param_l(out_param, index); | |
1129 | break; | |
1130 | case RES_OP_MAP_ICM: | |
1131 | index = get_param_l(&in_param); | |
1132 | id = index & mpt_mask(dev); | |
1133 | err = mr_res_start_move_to(dev, slave, id, | |
1134 | RES_MPT_MAPPED, &mpt); | |
1135 | if (err) | |
1136 | return err; | |
1137 | ||
1138 | err = __mlx4_mr_alloc_icm(dev, mpt->key); | |
1139 | if (err) { | |
1140 | res_abort_move(dev, slave, RES_MPT, id); | |
1141 | return err; | |
1142 | } | |
1143 | ||
1144 | res_end_move(dev, slave, RES_MPT, id); | |
1145 | break; | |
1146 | } | |
1147 | return err; | |
1148 | } | |
1149 | ||
1150 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1151 | u64 in_param, u64 *out_param) | |
1152 | { | |
1153 | int cqn; | |
1154 | int err; | |
1155 | ||
1156 | switch (op) { | |
1157 | case RES_OP_RESERVE_AND_MAP: | |
1158 | err = __mlx4_cq_alloc_icm(dev, &cqn); | |
1159 | if (err) | |
1160 | break; | |
1161 | ||
1162 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
1163 | if (err) { | |
1164 | __mlx4_cq_free_icm(dev, cqn); | |
1165 | break; | |
1166 | } | |
1167 | ||
1168 | set_param_l(out_param, cqn); | |
1169 | break; | |
1170 | ||
1171 | default: | |
1172 | err = -EINVAL; | |
1173 | } | |
1174 | ||
1175 | return err; | |
1176 | } | |
1177 | ||
1178 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1179 | u64 in_param, u64 *out_param) | |
1180 | { | |
1181 | int srqn; | |
1182 | int err; | |
1183 | ||
1184 | switch (op) { | |
1185 | case RES_OP_RESERVE_AND_MAP: | |
1186 | err = __mlx4_srq_alloc_icm(dev, &srqn); | |
1187 | if (err) | |
1188 | break; | |
1189 | ||
1190 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
1191 | if (err) { | |
1192 | __mlx4_srq_free_icm(dev, srqn); | |
1193 | break; | |
1194 | } | |
1195 | ||
1196 | set_param_l(out_param, srqn); | |
1197 | break; | |
1198 | ||
1199 | default: | |
1200 | err = -EINVAL; | |
1201 | } | |
1202 | ||
1203 | return err; | |
1204 | } | |
1205 | ||
1206 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port) | |
1207 | { | |
1208 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1209 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1210 | struct mac_res *res; | |
1211 | ||
1212 | res = kzalloc(sizeof *res, GFP_KERNEL); | |
1213 | if (!res) | |
1214 | return -ENOMEM; | |
1215 | res->mac = mac; | |
1216 | res->port = (u8) port; | |
1217 | list_add_tail(&res->list, | |
1218 | &tracker->slave_list[slave].res_list[RES_MAC]); | |
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, | |
1223 | int port) | |
1224 | { | |
1225 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1226 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1227 | struct list_head *mac_list = | |
1228 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1229 | struct mac_res *res, *tmp; | |
1230 | ||
1231 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1232 | if (res->mac == mac && res->port == (u8) port) { | |
1233 | list_del(&res->list); | |
1234 | kfree(res); | |
1235 | break; | |
1236 | } | |
1237 | } | |
1238 | } | |
1239 | ||
1240 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) | |
1241 | { | |
1242 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1243 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1244 | struct list_head *mac_list = | |
1245 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1246 | struct mac_res *res, *tmp; | |
1247 | ||
1248 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1249 | list_del(&res->list); | |
1250 | __mlx4_unregister_mac(dev, res->port, res->mac); | |
1251 | kfree(res); | |
1252 | } | |
1253 | } | |
1254 | ||
1255 | static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1256 | u64 in_param, u64 *out_param) | |
1257 | { | |
1258 | int err = -EINVAL; | |
1259 | int port; | |
1260 | u64 mac; | |
1261 | ||
1262 | if (op != RES_OP_RESERVE_AND_MAP) | |
1263 | return err; | |
1264 | ||
1265 | port = get_param_l(out_param); | |
1266 | mac = in_param; | |
1267 | ||
1268 | err = __mlx4_register_mac(dev, port, mac); | |
1269 | if (err >= 0) { | |
1270 | set_param_l(out_param, err); | |
1271 | err = 0; | |
1272 | } | |
1273 | ||
1274 | if (!err) { | |
1275 | err = mac_add_to_slave(dev, slave, mac, port); | |
1276 | if (err) | |
1277 | __mlx4_unregister_mac(dev, port, mac); | |
1278 | } | |
1279 | return err; | |
1280 | } | |
1281 | ||
ffe455ad EE |
1282 | static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1283 | u64 in_param, u64 *out_param) | |
1284 | { | |
1285 | return 0; | |
1286 | } | |
1287 | ||
ba062d52 JM |
1288 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1289 | u64 in_param, u64 *out_param) | |
1290 | { | |
1291 | u32 index; | |
1292 | int err; | |
1293 | ||
1294 | if (op != RES_OP_RESERVE) | |
1295 | return -EINVAL; | |
1296 | ||
1297 | err = __mlx4_counter_alloc(dev, &index); | |
1298 | if (err) | |
1299 | return err; | |
1300 | ||
1301 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0); | |
1302 | if (err) | |
1303 | __mlx4_counter_free(dev, index); | |
1304 | else | |
1305 | set_param_l(out_param, index); | |
1306 | ||
1307 | return err; | |
1308 | } | |
1309 | ||
1310 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1311 | u64 in_param, u64 *out_param) | |
1312 | { | |
1313 | u32 xrcdn; | |
1314 | int err; | |
1315 | ||
1316 | if (op != RES_OP_RESERVE) | |
1317 | return -EINVAL; | |
1318 | ||
1319 | err = __mlx4_xrcd_alloc(dev, &xrcdn); | |
1320 | if (err) | |
1321 | return err; | |
1322 | ||
1323 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
1324 | if (err) | |
1325 | __mlx4_xrcd_free(dev, xrcdn); | |
1326 | else | |
1327 | set_param_l(out_param, xrcdn); | |
1328 | ||
1329 | return err; | |
1330 | } | |
1331 | ||
c82e9aa0 EC |
1332 | int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, |
1333 | struct mlx4_vhcr *vhcr, | |
1334 | struct mlx4_cmd_mailbox *inbox, | |
1335 | struct mlx4_cmd_mailbox *outbox, | |
1336 | struct mlx4_cmd_info *cmd) | |
1337 | { | |
1338 | int err; | |
1339 | int alop = vhcr->op_modifier; | |
1340 | ||
1341 | switch (vhcr->in_modifier) { | |
1342 | case RES_QP: | |
1343 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1344 | vhcr->in_param, &vhcr->out_param); | |
1345 | break; | |
1346 | ||
1347 | case RES_MTT: | |
1348 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1349 | vhcr->in_param, &vhcr->out_param); | |
1350 | break; | |
1351 | ||
1352 | case RES_MPT: | |
1353 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1354 | vhcr->in_param, &vhcr->out_param); | |
1355 | break; | |
1356 | ||
1357 | case RES_CQ: | |
1358 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1359 | vhcr->in_param, &vhcr->out_param); | |
1360 | break; | |
1361 | ||
1362 | case RES_SRQ: | |
1363 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1364 | vhcr->in_param, &vhcr->out_param); | |
1365 | break; | |
1366 | ||
1367 | case RES_MAC: | |
1368 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1369 | vhcr->in_param, &vhcr->out_param); | |
1370 | break; | |
1371 | ||
ffe455ad EE |
1372 | case RES_VLAN: |
1373 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1374 | vhcr->in_param, &vhcr->out_param); | |
1375 | break; | |
1376 | ||
ba062d52 JM |
1377 | case RES_COUNTER: |
1378 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1379 | vhcr->in_param, &vhcr->out_param); | |
1380 | break; | |
1381 | ||
1382 | case RES_XRCD: | |
1383 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
1384 | vhcr->in_param, &vhcr->out_param); | |
1385 | break; | |
1386 | ||
c82e9aa0 EC |
1387 | default: |
1388 | err = -EINVAL; | |
1389 | break; | |
1390 | } | |
1391 | ||
1392 | return err; | |
1393 | } | |
1394 | ||
1395 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1396 | u64 in_param) | |
1397 | { | |
1398 | int err; | |
1399 | int count; | |
1400 | int base; | |
1401 | int qpn; | |
1402 | ||
1403 | switch (op) { | |
1404 | case RES_OP_RESERVE: | |
1405 | base = get_param_l(&in_param) & 0x7fffff; | |
1406 | count = get_param_h(&in_param); | |
1407 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); | |
1408 | if (err) | |
1409 | break; | |
1410 | __mlx4_qp_release_range(dev, base, count); | |
1411 | break; | |
1412 | case RES_OP_MAP_ICM: | |
1413 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1414 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, | |
1415 | NULL, 0); | |
1416 | if (err) | |
1417 | return err; | |
1418 | ||
1419 | if (!valid_reserved(dev, slave, qpn)) | |
1420 | __mlx4_qp_free_icm(dev, qpn); | |
1421 | ||
1422 | res_end_move(dev, slave, RES_QP, qpn); | |
1423 | ||
1424 | if (valid_reserved(dev, slave, qpn)) | |
1425 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1426 | break; | |
1427 | default: | |
1428 | err = -EINVAL; | |
1429 | break; | |
1430 | } | |
1431 | return err; | |
1432 | } | |
1433 | ||
1434 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1435 | u64 in_param, u64 *out_param) | |
1436 | { | |
1437 | int err = -EINVAL; | |
1438 | int base; | |
1439 | int order; | |
1440 | ||
1441 | if (op != RES_OP_RESERVE_AND_MAP) | |
1442 | return err; | |
1443 | ||
1444 | base = get_param_l(&in_param); | |
1445 | order = get_param_h(&in_param); | |
1446 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); | |
1447 | if (!err) | |
1448 | __mlx4_free_mtt_range(dev, base, order); | |
1449 | return err; | |
1450 | } | |
1451 | ||
1452 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1453 | u64 in_param) | |
1454 | { | |
1455 | int err = -EINVAL; | |
1456 | int index; | |
1457 | int id; | |
1458 | struct res_mpt *mpt; | |
1459 | ||
1460 | switch (op) { | |
1461 | case RES_OP_RESERVE: | |
1462 | index = get_param_l(&in_param); | |
1463 | id = index & mpt_mask(dev); | |
1464 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
1465 | if (err) | |
1466 | break; | |
1467 | index = mpt->key; | |
1468 | put_res(dev, slave, id, RES_MPT); | |
1469 | ||
1470 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); | |
1471 | if (err) | |
1472 | break; | |
1473 | __mlx4_mr_release(dev, index); | |
1474 | break; | |
1475 | case RES_OP_MAP_ICM: | |
1476 | index = get_param_l(&in_param); | |
1477 | id = index & mpt_mask(dev); | |
1478 | err = mr_res_start_move_to(dev, slave, id, | |
1479 | RES_MPT_RESERVED, &mpt); | |
1480 | if (err) | |
1481 | return err; | |
1482 | ||
1483 | __mlx4_mr_free_icm(dev, mpt->key); | |
1484 | res_end_move(dev, slave, RES_MPT, id); | |
1485 | return err; | |
1486 | break; | |
1487 | default: | |
1488 | err = -EINVAL; | |
1489 | break; | |
1490 | } | |
1491 | return err; | |
1492 | } | |
1493 | ||
1494 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1495 | u64 in_param, u64 *out_param) | |
1496 | { | |
1497 | int cqn; | |
1498 | int err; | |
1499 | ||
1500 | switch (op) { | |
1501 | case RES_OP_RESERVE_AND_MAP: | |
1502 | cqn = get_param_l(&in_param); | |
1503 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
1504 | if (err) | |
1505 | break; | |
1506 | ||
1507 | __mlx4_cq_free_icm(dev, cqn); | |
1508 | break; | |
1509 | ||
1510 | default: | |
1511 | err = -EINVAL; | |
1512 | break; | |
1513 | } | |
1514 | ||
1515 | return err; | |
1516 | } | |
1517 | ||
1518 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1519 | u64 in_param, u64 *out_param) | |
1520 | { | |
1521 | int srqn; | |
1522 | int err; | |
1523 | ||
1524 | switch (op) { | |
1525 | case RES_OP_RESERVE_AND_MAP: | |
1526 | srqn = get_param_l(&in_param); | |
1527 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
1528 | if (err) | |
1529 | break; | |
1530 | ||
1531 | __mlx4_srq_free_icm(dev, srqn); | |
1532 | break; | |
1533 | ||
1534 | default: | |
1535 | err = -EINVAL; | |
1536 | break; | |
1537 | } | |
1538 | ||
1539 | return err; | |
1540 | } | |
1541 | ||
1542 | static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1543 | u64 in_param, u64 *out_param) | |
1544 | { | |
1545 | int port; | |
1546 | int err = 0; | |
1547 | ||
1548 | switch (op) { | |
1549 | case RES_OP_RESERVE_AND_MAP: | |
1550 | port = get_param_l(out_param); | |
1551 | mac_del_from_slave(dev, slave, in_param, port); | |
1552 | __mlx4_unregister_mac(dev, port, in_param); | |
1553 | break; | |
1554 | default: | |
1555 | err = -EINVAL; | |
1556 | break; | |
1557 | } | |
1558 | ||
1559 | return err; | |
1560 | ||
1561 | } | |
1562 | ||
ffe455ad EE |
1563 | static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1564 | u64 in_param, u64 *out_param) | |
1565 | { | |
1566 | return 0; | |
1567 | } | |
1568 | ||
ba062d52 JM |
1569 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
1570 | u64 in_param, u64 *out_param) | |
1571 | { | |
1572 | int index; | |
1573 | int err; | |
1574 | ||
1575 | if (op != RES_OP_RESERVE) | |
1576 | return -EINVAL; | |
1577 | ||
1578 | index = get_param_l(&in_param); | |
1579 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); | |
1580 | if (err) | |
1581 | return err; | |
1582 | ||
1583 | __mlx4_counter_free(dev, index); | |
1584 | ||
1585 | return err; | |
1586 | } | |
1587 | ||
1588 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1589 | u64 in_param, u64 *out_param) | |
1590 | { | |
1591 | int xrcdn; | |
1592 | int err; | |
1593 | ||
1594 | if (op != RES_OP_RESERVE) | |
1595 | return -EINVAL; | |
1596 | ||
1597 | xrcdn = get_param_l(&in_param); | |
1598 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
1599 | if (err) | |
1600 | return err; | |
1601 | ||
1602 | __mlx4_xrcd_free(dev, xrcdn); | |
1603 | ||
1604 | return err; | |
1605 | } | |
1606 | ||
c82e9aa0 EC |
1607 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
1608 | struct mlx4_vhcr *vhcr, | |
1609 | struct mlx4_cmd_mailbox *inbox, | |
1610 | struct mlx4_cmd_mailbox *outbox, | |
1611 | struct mlx4_cmd_info *cmd) | |
1612 | { | |
1613 | int err = -EINVAL; | |
1614 | int alop = vhcr->op_modifier; | |
1615 | ||
1616 | switch (vhcr->in_modifier) { | |
1617 | case RES_QP: | |
1618 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, | |
1619 | vhcr->in_param); | |
1620 | break; | |
1621 | ||
1622 | case RES_MTT: | |
1623 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, | |
1624 | vhcr->in_param, &vhcr->out_param); | |
1625 | break; | |
1626 | ||
1627 | case RES_MPT: | |
1628 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, | |
1629 | vhcr->in_param); | |
1630 | break; | |
1631 | ||
1632 | case RES_CQ: | |
1633 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, | |
1634 | vhcr->in_param, &vhcr->out_param); | |
1635 | break; | |
1636 | ||
1637 | case RES_SRQ: | |
1638 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, | |
1639 | vhcr->in_param, &vhcr->out_param); | |
1640 | break; | |
1641 | ||
1642 | case RES_MAC: | |
1643 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, | |
1644 | vhcr->in_param, &vhcr->out_param); | |
1645 | break; | |
1646 | ||
ffe455ad EE |
1647 | case RES_VLAN: |
1648 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, | |
1649 | vhcr->in_param, &vhcr->out_param); | |
1650 | break; | |
1651 | ||
ba062d52 JM |
1652 | case RES_COUNTER: |
1653 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, | |
1654 | vhcr->in_param, &vhcr->out_param); | |
1655 | break; | |
1656 | ||
1657 | case RES_XRCD: | |
1658 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, | |
1659 | vhcr->in_param, &vhcr->out_param); | |
1660 | ||
c82e9aa0 EC |
1661 | default: |
1662 | break; | |
1663 | } | |
1664 | return err; | |
1665 | } | |
1666 | ||
1667 | /* ugly but other choices are uglier */ | |
1668 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) | |
1669 | { | |
1670 | return (be32_to_cpu(mpt->flags) >> 9) & 1; | |
1671 | } | |
1672 | ||
2b8fb286 | 1673 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
c82e9aa0 | 1674 | { |
2b8fb286 | 1675 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
c82e9aa0 EC |
1676 | } |
1677 | ||
1678 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) | |
1679 | { | |
1680 | return be32_to_cpu(mpt->mtt_sz); | |
1681 | } | |
1682 | ||
2b8fb286 | 1683 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
c82e9aa0 EC |
1684 | { |
1685 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; | |
1686 | } | |
1687 | ||
2b8fb286 | 1688 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
c82e9aa0 EC |
1689 | { |
1690 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; | |
1691 | } | |
1692 | ||
1693 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) | |
1694 | { | |
1695 | int page_shift = (qpc->log_page_size & 0x3f) + 12; | |
1696 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; | |
1697 | int log_sq_sride = qpc->sq_size_stride & 7; | |
1698 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; | |
1699 | int log_rq_stride = qpc->rq_size_stride & 7; | |
1700 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; | |
1701 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; | |
1702 | int xrc = (be32_to_cpu(qpc->local_qpn) >> 23) & 1; | |
1703 | int sq_size; | |
1704 | int rq_size; | |
1705 | int total_pages; | |
1706 | int total_mem; | |
1707 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; | |
1708 | ||
1709 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); | |
1710 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); | |
1711 | total_mem = sq_size + rq_size; | |
1712 | total_pages = | |
1713 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> | |
1714 | page_shift); | |
1715 | ||
1716 | return total_pages; | |
1717 | } | |
1718 | ||
c82e9aa0 EC |
1719 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
1720 | int size, struct res_mtt *mtt) | |
1721 | { | |
2b8fb286 MA |
1722 | int res_start = mtt->com.res_id; |
1723 | int res_size = (1 << mtt->order); | |
c82e9aa0 EC |
1724 | |
1725 | if (start < res_start || start + size > res_start + res_size) | |
1726 | return -EPERM; | |
1727 | return 0; | |
1728 | } | |
1729 | ||
1730 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1731 | struct mlx4_vhcr *vhcr, | |
1732 | struct mlx4_cmd_mailbox *inbox, | |
1733 | struct mlx4_cmd_mailbox *outbox, | |
1734 | struct mlx4_cmd_info *cmd) | |
1735 | { | |
1736 | int err; | |
1737 | int index = vhcr->in_modifier; | |
1738 | struct res_mtt *mtt; | |
1739 | struct res_mpt *mpt; | |
2b8fb286 | 1740 | int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
1741 | int phys; |
1742 | int id; | |
1743 | ||
1744 | id = index & mpt_mask(dev); | |
1745 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); | |
1746 | if (err) | |
1747 | return err; | |
1748 | ||
1749 | phys = mr_phys_mpt(inbox->buf); | |
1750 | if (!phys) { | |
2b8fb286 | 1751 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
1752 | if (err) |
1753 | goto ex_abort; | |
1754 | ||
1755 | err = check_mtt_range(dev, slave, mtt_base, | |
1756 | mr_get_mtt_size(inbox->buf), mtt); | |
1757 | if (err) | |
1758 | goto ex_put; | |
1759 | ||
1760 | mpt->mtt = mtt; | |
1761 | } | |
1762 | ||
c82e9aa0 EC |
1763 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
1764 | if (err) | |
1765 | goto ex_put; | |
1766 | ||
1767 | if (!phys) { | |
1768 | atomic_inc(&mtt->ref_count); | |
1769 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
1770 | } | |
1771 | ||
1772 | res_end_move(dev, slave, RES_MPT, id); | |
1773 | return 0; | |
1774 | ||
1775 | ex_put: | |
1776 | if (!phys) | |
1777 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
1778 | ex_abort: | |
1779 | res_abort_move(dev, slave, RES_MPT, id); | |
1780 | ||
1781 | return err; | |
1782 | } | |
1783 | ||
1784 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1785 | struct mlx4_vhcr *vhcr, | |
1786 | struct mlx4_cmd_mailbox *inbox, | |
1787 | struct mlx4_cmd_mailbox *outbox, | |
1788 | struct mlx4_cmd_info *cmd) | |
1789 | { | |
1790 | int err; | |
1791 | int index = vhcr->in_modifier; | |
1792 | struct res_mpt *mpt; | |
1793 | int id; | |
1794 | ||
1795 | id = index & mpt_mask(dev); | |
1796 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); | |
1797 | if (err) | |
1798 | return err; | |
1799 | ||
1800 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1801 | if (err) | |
1802 | goto ex_abort; | |
1803 | ||
1804 | if (mpt->mtt) | |
1805 | atomic_dec(&mpt->mtt->ref_count); | |
1806 | ||
1807 | res_end_move(dev, slave, RES_MPT, id); | |
1808 | return 0; | |
1809 | ||
1810 | ex_abort: | |
1811 | res_abort_move(dev, slave, RES_MPT, id); | |
1812 | ||
1813 | return err; | |
1814 | } | |
1815 | ||
1816 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
1817 | struct mlx4_vhcr *vhcr, | |
1818 | struct mlx4_cmd_mailbox *inbox, | |
1819 | struct mlx4_cmd_mailbox *outbox, | |
1820 | struct mlx4_cmd_info *cmd) | |
1821 | { | |
1822 | int err; | |
1823 | int index = vhcr->in_modifier; | |
1824 | struct res_mpt *mpt; | |
1825 | int id; | |
1826 | ||
1827 | id = index & mpt_mask(dev); | |
1828 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
1829 | if (err) | |
1830 | return err; | |
1831 | ||
1832 | if (mpt->com.from_state != RES_MPT_HW) { | |
1833 | err = -EBUSY; | |
1834 | goto out; | |
1835 | } | |
1836 | ||
1837 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1838 | ||
1839 | out: | |
1840 | put_res(dev, slave, id, RES_MPT); | |
1841 | return err; | |
1842 | } | |
1843 | ||
1844 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) | |
1845 | { | |
1846 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; | |
1847 | } | |
1848 | ||
1849 | static int qp_get_scqn(struct mlx4_qp_context *qpc) | |
1850 | { | |
1851 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; | |
1852 | } | |
1853 | ||
1854 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) | |
1855 | { | |
1856 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; | |
1857 | } | |
1858 | ||
1859 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, | |
1860 | struct mlx4_vhcr *vhcr, | |
1861 | struct mlx4_cmd_mailbox *inbox, | |
1862 | struct mlx4_cmd_mailbox *outbox, | |
1863 | struct mlx4_cmd_info *cmd) | |
1864 | { | |
1865 | int err; | |
1866 | int qpn = vhcr->in_modifier & 0x7fffff; | |
1867 | struct res_mtt *mtt; | |
1868 | struct res_qp *qp; | |
1869 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2b8fb286 | 1870 | int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
1871 | int mtt_size = qp_get_mtt_size(qpc); |
1872 | struct res_cq *rcq; | |
1873 | struct res_cq *scq; | |
1874 | int rcqn = qp_get_rcqn(qpc); | |
1875 | int scqn = qp_get_scqn(qpc); | |
1876 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; | |
1877 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; | |
1878 | struct res_srq *srq; | |
1879 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; | |
1880 | ||
1881 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); | |
1882 | if (err) | |
1883 | return err; | |
1884 | qp->local_qpn = local_qpn; | |
1885 | ||
2b8fb286 | 1886 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
1887 | if (err) |
1888 | goto ex_abort; | |
1889 | ||
1890 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
1891 | if (err) | |
1892 | goto ex_put_mtt; | |
1893 | ||
c82e9aa0 EC |
1894 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
1895 | if (err) | |
1896 | goto ex_put_mtt; | |
1897 | ||
1898 | if (scqn != rcqn) { | |
1899 | err = get_res(dev, slave, scqn, RES_CQ, &scq); | |
1900 | if (err) | |
1901 | goto ex_put_rcq; | |
1902 | } else | |
1903 | scq = rcq; | |
1904 | ||
1905 | if (use_srq) { | |
1906 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
1907 | if (err) | |
1908 | goto ex_put_scq; | |
1909 | } | |
1910 | ||
1911 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
1912 | if (err) | |
1913 | goto ex_put_srq; | |
1914 | atomic_inc(&mtt->ref_count); | |
1915 | qp->mtt = mtt; | |
1916 | atomic_inc(&rcq->ref_count); | |
1917 | qp->rcq = rcq; | |
1918 | atomic_inc(&scq->ref_count); | |
1919 | qp->scq = scq; | |
1920 | ||
1921 | if (scqn != rcqn) | |
1922 | put_res(dev, slave, scqn, RES_CQ); | |
1923 | ||
1924 | if (use_srq) { | |
1925 | atomic_inc(&srq->ref_count); | |
1926 | put_res(dev, slave, srqn, RES_SRQ); | |
1927 | qp->srq = srq; | |
1928 | } | |
1929 | put_res(dev, slave, rcqn, RES_CQ); | |
2b8fb286 | 1930 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
1931 | res_end_move(dev, slave, RES_QP, qpn); |
1932 | ||
1933 | return 0; | |
1934 | ||
1935 | ex_put_srq: | |
1936 | if (use_srq) | |
1937 | put_res(dev, slave, srqn, RES_SRQ); | |
1938 | ex_put_scq: | |
1939 | if (scqn != rcqn) | |
1940 | put_res(dev, slave, scqn, RES_CQ); | |
1941 | ex_put_rcq: | |
1942 | put_res(dev, slave, rcqn, RES_CQ); | |
1943 | ex_put_mtt: | |
2b8fb286 | 1944 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
1945 | ex_abort: |
1946 | res_abort_move(dev, slave, RES_QP, qpn); | |
1947 | ||
1948 | return err; | |
1949 | } | |
1950 | ||
2b8fb286 | 1951 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
c82e9aa0 EC |
1952 | { |
1953 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; | |
1954 | } | |
1955 | ||
1956 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) | |
1957 | { | |
1958 | int log_eq_size = eqc->log_eq_size & 0x1f; | |
1959 | int page_shift = (eqc->log_page_size & 0x3f) + 12; | |
1960 | ||
1961 | if (log_eq_size + 5 < page_shift) | |
1962 | return 1; | |
1963 | ||
1964 | return 1 << (log_eq_size + 5 - page_shift); | |
1965 | } | |
1966 | ||
2b8fb286 | 1967 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
c82e9aa0 EC |
1968 | { |
1969 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; | |
1970 | } | |
1971 | ||
1972 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) | |
1973 | { | |
1974 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; | |
1975 | int page_shift = (cqc->log_page_size & 0x3f) + 12; | |
1976 | ||
1977 | if (log_cq_size + 5 < page_shift) | |
1978 | return 1; | |
1979 | ||
1980 | return 1 << (log_cq_size + 5 - page_shift); | |
1981 | } | |
1982 | ||
1983 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
1984 | struct mlx4_vhcr *vhcr, | |
1985 | struct mlx4_cmd_mailbox *inbox, | |
1986 | struct mlx4_cmd_mailbox *outbox, | |
1987 | struct mlx4_cmd_info *cmd) | |
1988 | { | |
1989 | int err; | |
1990 | int eqn = vhcr->in_modifier; | |
1991 | int res_id = (slave << 8) | eqn; | |
1992 | struct mlx4_eq_context *eqc = inbox->buf; | |
2b8fb286 | 1993 | int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
1994 | int mtt_size = eq_get_mtt_size(eqc); |
1995 | struct res_eq *eq; | |
1996 | struct res_mtt *mtt; | |
1997 | ||
1998 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
1999 | if (err) | |
2000 | return err; | |
2001 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); | |
2002 | if (err) | |
2003 | goto out_add; | |
2004 | ||
2b8fb286 | 2005 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2006 | if (err) |
2007 | goto out_move; | |
2008 | ||
2009 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
2010 | if (err) | |
2011 | goto out_put; | |
2012 | ||
2013 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2014 | if (err) | |
2015 | goto out_put; | |
2016 | ||
2017 | atomic_inc(&mtt->ref_count); | |
2018 | eq->mtt = mtt; | |
2019 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2020 | res_end_move(dev, slave, RES_EQ, res_id); | |
2021 | return 0; | |
2022 | ||
2023 | out_put: | |
2024 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2025 | out_move: | |
2026 | res_abort_move(dev, slave, RES_EQ, res_id); | |
2027 | out_add: | |
2028 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2029 | return err; | |
2030 | } | |
2031 | ||
2032 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, | |
2033 | int len, struct res_mtt **res) | |
2034 | { | |
2035 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2036 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2037 | struct res_mtt *mtt; | |
2038 | int err = -EINVAL; | |
2039 | ||
2040 | spin_lock_irq(mlx4_tlock(dev)); | |
2041 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], | |
2042 | com.list) { | |
2043 | if (!check_mtt_range(dev, slave, start, len, mtt)) { | |
2044 | *res = mtt; | |
2045 | mtt->com.from_state = mtt->com.state; | |
2046 | mtt->com.state = RES_MTT_BUSY; | |
2047 | err = 0; | |
2048 | break; | |
2049 | } | |
2050 | } | |
2051 | spin_unlock_irq(mlx4_tlock(dev)); | |
2052 | ||
2053 | return err; | |
2054 | } | |
2055 | ||
2056 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, | |
2057 | struct mlx4_vhcr *vhcr, | |
2058 | struct mlx4_cmd_mailbox *inbox, | |
2059 | struct mlx4_cmd_mailbox *outbox, | |
2060 | struct mlx4_cmd_info *cmd) | |
2061 | { | |
2062 | struct mlx4_mtt mtt; | |
2063 | __be64 *page_list = inbox->buf; | |
2064 | u64 *pg_list = (u64 *)page_list; | |
2065 | int i; | |
2066 | struct res_mtt *rmtt = NULL; | |
2067 | int start = be64_to_cpu(page_list[0]); | |
2068 | int npages = vhcr->in_modifier; | |
2069 | int err; | |
2070 | ||
2071 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); | |
2072 | if (err) | |
2073 | return err; | |
2074 | ||
2075 | /* Call the SW implementation of write_mtt: | |
2076 | * - Prepare a dummy mtt struct | |
2077 | * - Translate inbox contents to simple addresses in host endianess */ | |
2b8fb286 MA |
2078 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
2079 | we don't really use it */ | |
c82e9aa0 EC |
2080 | mtt.order = 0; |
2081 | mtt.page_shift = 0; | |
2082 | for (i = 0; i < npages; ++i) | |
2083 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); | |
2084 | ||
2085 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, | |
2086 | ((u64 *)page_list + 2)); | |
2087 | ||
2088 | if (rmtt) | |
2089 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); | |
2090 | ||
2091 | return err; | |
2092 | } | |
2093 | ||
2094 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2095 | struct mlx4_vhcr *vhcr, | |
2096 | struct mlx4_cmd_mailbox *inbox, | |
2097 | struct mlx4_cmd_mailbox *outbox, | |
2098 | struct mlx4_cmd_info *cmd) | |
2099 | { | |
2100 | int eqn = vhcr->in_modifier; | |
2101 | int res_id = eqn | (slave << 8); | |
2102 | struct res_eq *eq; | |
2103 | int err; | |
2104 | ||
2105 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); | |
2106 | if (err) | |
2107 | return err; | |
2108 | ||
2109 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); | |
2110 | if (err) | |
2111 | goto ex_abort; | |
2112 | ||
2113 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2114 | if (err) | |
2115 | goto ex_put; | |
2116 | ||
2117 | atomic_dec(&eq->mtt->ref_count); | |
2118 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
2119 | res_end_move(dev, slave, RES_EQ, res_id); | |
2120 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2121 | ||
2122 | return 0; | |
2123 | ||
2124 | ex_put: | |
2125 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
2126 | ex_abort: | |
2127 | res_abort_move(dev, slave, RES_EQ, res_id); | |
2128 | ||
2129 | return err; | |
2130 | } | |
2131 | ||
2132 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) | |
2133 | { | |
2134 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2135 | struct mlx4_slave_event_eq_info *event_eq; | |
2136 | struct mlx4_cmd_mailbox *mailbox; | |
2137 | u32 in_modifier = 0; | |
2138 | int err; | |
2139 | int res_id; | |
2140 | struct res_eq *req; | |
2141 | ||
2142 | if (!priv->mfunc.master.slave_state) | |
2143 | return -EINVAL; | |
2144 | ||
803143fb | 2145 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
c82e9aa0 EC |
2146 | |
2147 | /* Create the event only if the slave is registered */ | |
803143fb | 2148 | if (event_eq->eqn < 0) |
c82e9aa0 EC |
2149 | return 0; |
2150 | ||
2151 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2152 | res_id = (slave << 8) | event_eq->eqn; | |
2153 | err = get_res(dev, slave, res_id, RES_EQ, &req); | |
2154 | if (err) | |
2155 | goto unlock; | |
2156 | ||
2157 | if (req->com.from_state != RES_EQ_HW) { | |
2158 | err = -EINVAL; | |
2159 | goto put; | |
2160 | } | |
2161 | ||
2162 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2163 | if (IS_ERR(mailbox)) { | |
2164 | err = PTR_ERR(mailbox); | |
2165 | goto put; | |
2166 | } | |
2167 | ||
2168 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { | |
2169 | ++event_eq->token; | |
2170 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); | |
2171 | } | |
2172 | ||
2173 | memcpy(mailbox->buf, (u8 *) eqe, 28); | |
2174 | ||
2175 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0xff) << 16); | |
2176 | ||
2177 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, | |
2178 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, | |
2179 | MLX4_CMD_NATIVE); | |
2180 | ||
2181 | put_res(dev, slave, res_id, RES_EQ); | |
2182 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2183 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2184 | return err; | |
2185 | ||
2186 | put: | |
2187 | put_res(dev, slave, res_id, RES_EQ); | |
2188 | ||
2189 | unlock: | |
2190 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2191 | return err; | |
2192 | } | |
2193 | ||
2194 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2195 | struct mlx4_vhcr *vhcr, | |
2196 | struct mlx4_cmd_mailbox *inbox, | |
2197 | struct mlx4_cmd_mailbox *outbox, | |
2198 | struct mlx4_cmd_info *cmd) | |
2199 | { | |
2200 | int eqn = vhcr->in_modifier; | |
2201 | int res_id = eqn | (slave << 8); | |
2202 | struct res_eq *eq; | |
2203 | int err; | |
2204 | ||
2205 | err = get_res(dev, slave, res_id, RES_EQ, &eq); | |
2206 | if (err) | |
2207 | return err; | |
2208 | ||
2209 | if (eq->com.from_state != RES_EQ_HW) { | |
2210 | err = -EINVAL; | |
2211 | goto ex_put; | |
2212 | } | |
2213 | ||
2214 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2215 | ||
2216 | ex_put: | |
2217 | put_res(dev, slave, res_id, RES_EQ); | |
2218 | return err; | |
2219 | } | |
2220 | ||
2221 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2222 | struct mlx4_vhcr *vhcr, | |
2223 | struct mlx4_cmd_mailbox *inbox, | |
2224 | struct mlx4_cmd_mailbox *outbox, | |
2225 | struct mlx4_cmd_info *cmd) | |
2226 | { | |
2227 | int err; | |
2228 | int cqn = vhcr->in_modifier; | |
2229 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 2230 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2231 | struct res_cq *cq; |
2232 | struct res_mtt *mtt; | |
2233 | ||
2234 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); | |
2235 | if (err) | |
2236 | return err; | |
2b8fb286 | 2237 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2238 | if (err) |
2239 | goto out_move; | |
2240 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
2241 | if (err) | |
2242 | goto out_put; | |
2243 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2244 | if (err) | |
2245 | goto out_put; | |
2246 | atomic_inc(&mtt->ref_count); | |
2247 | cq->mtt = mtt; | |
2248 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2249 | res_end_move(dev, slave, RES_CQ, cqn); | |
2250 | return 0; | |
2251 | ||
2252 | out_put: | |
2253 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2254 | out_move: | |
2255 | res_abort_move(dev, slave, RES_CQ, cqn); | |
2256 | return err; | |
2257 | } | |
2258 | ||
2259 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2260 | struct mlx4_vhcr *vhcr, | |
2261 | struct mlx4_cmd_mailbox *inbox, | |
2262 | struct mlx4_cmd_mailbox *outbox, | |
2263 | struct mlx4_cmd_info *cmd) | |
2264 | { | |
2265 | int err; | |
2266 | int cqn = vhcr->in_modifier; | |
2267 | struct res_cq *cq; | |
2268 | ||
2269 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); | |
2270 | if (err) | |
2271 | return err; | |
2272 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2273 | if (err) | |
2274 | goto out_move; | |
2275 | atomic_dec(&cq->mtt->ref_count); | |
2276 | res_end_move(dev, slave, RES_CQ, cqn); | |
2277 | return 0; | |
2278 | ||
2279 | out_move: | |
2280 | res_abort_move(dev, slave, RES_CQ, cqn); | |
2281 | return err; | |
2282 | } | |
2283 | ||
2284 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2285 | struct mlx4_vhcr *vhcr, | |
2286 | struct mlx4_cmd_mailbox *inbox, | |
2287 | struct mlx4_cmd_mailbox *outbox, | |
2288 | struct mlx4_cmd_info *cmd) | |
2289 | { | |
2290 | int cqn = vhcr->in_modifier; | |
2291 | struct res_cq *cq; | |
2292 | int err; | |
2293 | ||
2294 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
2295 | if (err) | |
2296 | return err; | |
2297 | ||
2298 | if (cq->com.from_state != RES_CQ_HW) | |
2299 | goto ex_put; | |
2300 | ||
2301 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2302 | ex_put: | |
2303 | put_res(dev, slave, cqn, RES_CQ); | |
2304 | ||
2305 | return err; | |
2306 | } | |
2307 | ||
2308 | static int handle_resize(struct mlx4_dev *dev, int slave, | |
2309 | struct mlx4_vhcr *vhcr, | |
2310 | struct mlx4_cmd_mailbox *inbox, | |
2311 | struct mlx4_cmd_mailbox *outbox, | |
2312 | struct mlx4_cmd_info *cmd, | |
2313 | struct res_cq *cq) | |
2314 | { | |
2315 | int err; | |
2316 | struct res_mtt *orig_mtt; | |
2317 | struct res_mtt *mtt; | |
2318 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 2319 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2320 | |
2321 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); | |
2322 | if (err) | |
2323 | return err; | |
2324 | ||
2325 | if (orig_mtt != cq->mtt) { | |
2326 | err = -EINVAL; | |
2327 | goto ex_put; | |
2328 | } | |
2329 | ||
2b8fb286 | 2330 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2331 | if (err) |
2332 | goto ex_put; | |
2333 | ||
2334 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
2335 | if (err) | |
2336 | goto ex_put1; | |
2337 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2338 | if (err) | |
2339 | goto ex_put1; | |
2340 | atomic_dec(&orig_mtt->ref_count); | |
2341 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
2342 | atomic_inc(&mtt->ref_count); | |
2343 | cq->mtt = mtt; | |
2344 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2345 | return 0; | |
2346 | ||
2347 | ex_put1: | |
2348 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2349 | ex_put: | |
2350 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
2351 | ||
2352 | return err; | |
2353 | ||
2354 | } | |
2355 | ||
2356 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
2357 | struct mlx4_vhcr *vhcr, | |
2358 | struct mlx4_cmd_mailbox *inbox, | |
2359 | struct mlx4_cmd_mailbox *outbox, | |
2360 | struct mlx4_cmd_info *cmd) | |
2361 | { | |
2362 | int cqn = vhcr->in_modifier; | |
2363 | struct res_cq *cq; | |
2364 | int err; | |
2365 | ||
2366 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
2367 | if (err) | |
2368 | return err; | |
2369 | ||
2370 | if (cq->com.from_state != RES_CQ_HW) | |
2371 | goto ex_put; | |
2372 | ||
2373 | if (vhcr->op_modifier == 0) { | |
2374 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); | |
dcf353b1 | 2375 | goto ex_put; |
c82e9aa0 EC |
2376 | } |
2377 | ||
2378 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2379 | ex_put: | |
2380 | put_res(dev, slave, cqn, RES_CQ); | |
2381 | ||
2382 | return err; | |
2383 | } | |
2384 | ||
c82e9aa0 EC |
2385 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
2386 | { | |
2387 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; | |
2388 | int log_rq_stride = srqc->logstride & 7; | |
2389 | int page_shift = (srqc->log_page_size & 0x3f) + 12; | |
2390 | ||
2391 | if (log_srq_size + log_rq_stride + 4 < page_shift) | |
2392 | return 1; | |
2393 | ||
2394 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); | |
2395 | } | |
2396 | ||
2397 | int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2398 | struct mlx4_vhcr *vhcr, | |
2399 | struct mlx4_cmd_mailbox *inbox, | |
2400 | struct mlx4_cmd_mailbox *outbox, | |
2401 | struct mlx4_cmd_info *cmd) | |
2402 | { | |
2403 | int err; | |
2404 | int srqn = vhcr->in_modifier; | |
2405 | struct res_mtt *mtt; | |
2406 | struct res_srq *srq; | |
2407 | struct mlx4_srq_context *srqc = inbox->buf; | |
2b8fb286 | 2408 | int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2409 | |
2410 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) | |
2411 | return -EINVAL; | |
2412 | ||
2413 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); | |
2414 | if (err) | |
2415 | return err; | |
2b8fb286 | 2416 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2417 | if (err) |
2418 | goto ex_abort; | |
2419 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), | |
2420 | mtt); | |
2421 | if (err) | |
2422 | goto ex_put_mtt; | |
2423 | ||
c82e9aa0 EC |
2424 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
2425 | if (err) | |
2426 | goto ex_put_mtt; | |
2427 | ||
2428 | atomic_inc(&mtt->ref_count); | |
2429 | srq->mtt = mtt; | |
2430 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2431 | res_end_move(dev, slave, RES_SRQ, srqn); | |
2432 | return 0; | |
2433 | ||
2434 | ex_put_mtt: | |
2435 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2436 | ex_abort: | |
2437 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
2438 | ||
2439 | return err; | |
2440 | } | |
2441 | ||
2442 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2443 | struct mlx4_vhcr *vhcr, | |
2444 | struct mlx4_cmd_mailbox *inbox, | |
2445 | struct mlx4_cmd_mailbox *outbox, | |
2446 | struct mlx4_cmd_info *cmd) | |
2447 | { | |
2448 | int err; | |
2449 | int srqn = vhcr->in_modifier; | |
2450 | struct res_srq *srq; | |
2451 | ||
2452 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); | |
2453 | if (err) | |
2454 | return err; | |
2455 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2456 | if (err) | |
2457 | goto ex_abort; | |
2458 | atomic_dec(&srq->mtt->ref_count); | |
2459 | if (srq->cq) | |
2460 | atomic_dec(&srq->cq->ref_count); | |
2461 | res_end_move(dev, slave, RES_SRQ, srqn); | |
2462 | ||
2463 | return 0; | |
2464 | ||
2465 | ex_abort: | |
2466 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
2467 | ||
2468 | return err; | |
2469 | } | |
2470 | ||
2471 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2472 | struct mlx4_vhcr *vhcr, | |
2473 | struct mlx4_cmd_mailbox *inbox, | |
2474 | struct mlx4_cmd_mailbox *outbox, | |
2475 | struct mlx4_cmd_info *cmd) | |
2476 | { | |
2477 | int err; | |
2478 | int srqn = vhcr->in_modifier; | |
2479 | struct res_srq *srq; | |
2480 | ||
2481 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
2482 | if (err) | |
2483 | return err; | |
2484 | if (srq->com.from_state != RES_SRQ_HW) { | |
2485 | err = -EBUSY; | |
2486 | goto out; | |
2487 | } | |
2488 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2489 | out: | |
2490 | put_res(dev, slave, srqn, RES_SRQ); | |
2491 | return err; | |
2492 | } | |
2493 | ||
2494 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
2495 | struct mlx4_vhcr *vhcr, | |
2496 | struct mlx4_cmd_mailbox *inbox, | |
2497 | struct mlx4_cmd_mailbox *outbox, | |
2498 | struct mlx4_cmd_info *cmd) | |
2499 | { | |
2500 | int err; | |
2501 | int srqn = vhcr->in_modifier; | |
2502 | struct res_srq *srq; | |
2503 | ||
2504 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
2505 | if (err) | |
2506 | return err; | |
2507 | ||
2508 | if (srq->com.from_state != RES_SRQ_HW) { | |
2509 | err = -EBUSY; | |
2510 | goto out; | |
2511 | } | |
2512 | ||
2513 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2514 | out: | |
2515 | put_res(dev, slave, srqn, RES_SRQ); | |
2516 | return err; | |
2517 | } | |
2518 | ||
2519 | int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2520 | struct mlx4_vhcr *vhcr, | |
2521 | struct mlx4_cmd_mailbox *inbox, | |
2522 | struct mlx4_cmd_mailbox *outbox, | |
2523 | struct mlx4_cmd_info *cmd) | |
2524 | { | |
2525 | int err; | |
2526 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2527 | struct res_qp *qp; | |
2528 | ||
2529 | err = get_res(dev, slave, qpn, RES_QP, &qp); | |
2530 | if (err) | |
2531 | return err; | |
2532 | if (qp->com.from_state != RES_QP_HW) { | |
2533 | err = -EBUSY; | |
2534 | goto out; | |
2535 | } | |
2536 | ||
2537 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2538 | out: | |
2539 | put_res(dev, slave, qpn, RES_QP); | |
2540 | return err; | |
2541 | } | |
2542 | ||
2543 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2544 | struct mlx4_vhcr *vhcr, | |
2545 | struct mlx4_cmd_mailbox *inbox, | |
2546 | struct mlx4_cmd_mailbox *outbox, | |
2547 | struct mlx4_cmd_info *cmd) | |
2548 | { | |
2549 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2550 | ||
2551 | update_ud_gid(dev, qpc, (u8)slave); | |
2552 | ||
2553 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2554 | } | |
2555 | ||
2556 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, | |
2557 | struct mlx4_vhcr *vhcr, | |
2558 | struct mlx4_cmd_mailbox *inbox, | |
2559 | struct mlx4_cmd_mailbox *outbox, | |
2560 | struct mlx4_cmd_info *cmd) | |
2561 | { | |
2562 | int err; | |
2563 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2564 | struct res_qp *qp; | |
2565 | ||
2566 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); | |
2567 | if (err) | |
2568 | return err; | |
2569 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2570 | if (err) | |
2571 | goto ex_abort; | |
2572 | ||
2573 | atomic_dec(&qp->mtt->ref_count); | |
2574 | atomic_dec(&qp->rcq->ref_count); | |
2575 | atomic_dec(&qp->scq->ref_count); | |
2576 | if (qp->srq) | |
2577 | atomic_dec(&qp->srq->ref_count); | |
2578 | res_end_move(dev, slave, RES_QP, qpn); | |
2579 | return 0; | |
2580 | ||
2581 | ex_abort: | |
2582 | res_abort_move(dev, slave, RES_QP, qpn); | |
2583 | ||
2584 | return err; | |
2585 | } | |
2586 | ||
2587 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, | |
2588 | struct res_qp *rqp, u8 *gid) | |
2589 | { | |
2590 | struct res_gid *res; | |
2591 | ||
2592 | list_for_each_entry(res, &rqp->mcg_list, list) { | |
2593 | if (!memcmp(res->gid, gid, 16)) | |
2594 | return res; | |
2595 | } | |
2596 | return NULL; | |
2597 | } | |
2598 | ||
2599 | static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 EE |
2600 | u8 *gid, enum mlx4_protocol prot, |
2601 | enum mlx4_steer_type steer) | |
c82e9aa0 EC |
2602 | { |
2603 | struct res_gid *res; | |
2604 | int err; | |
2605 | ||
2606 | res = kzalloc(sizeof *res, GFP_KERNEL); | |
2607 | if (!res) | |
2608 | return -ENOMEM; | |
2609 | ||
2610 | spin_lock_irq(&rqp->mcg_spl); | |
2611 | if (find_gid(dev, slave, rqp, gid)) { | |
2612 | kfree(res); | |
2613 | err = -EEXIST; | |
2614 | } else { | |
2615 | memcpy(res->gid, gid, 16); | |
2616 | res->prot = prot; | |
9f5b6c63 | 2617 | res->steer = steer; |
c82e9aa0 EC |
2618 | list_add_tail(&res->list, &rqp->mcg_list); |
2619 | err = 0; | |
2620 | } | |
2621 | spin_unlock_irq(&rqp->mcg_spl); | |
2622 | ||
2623 | return err; | |
2624 | } | |
2625 | ||
2626 | static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 EE |
2627 | u8 *gid, enum mlx4_protocol prot, |
2628 | enum mlx4_steer_type steer) | |
c82e9aa0 EC |
2629 | { |
2630 | struct res_gid *res; | |
2631 | int err; | |
2632 | ||
2633 | spin_lock_irq(&rqp->mcg_spl); | |
2634 | res = find_gid(dev, slave, rqp, gid); | |
9f5b6c63 | 2635 | if (!res || res->prot != prot || res->steer != steer) |
c82e9aa0 EC |
2636 | err = -EINVAL; |
2637 | else { | |
2638 | list_del(&res->list); | |
2639 | kfree(res); | |
2640 | err = 0; | |
2641 | } | |
2642 | spin_unlock_irq(&rqp->mcg_spl); | |
2643 | ||
2644 | return err; | |
2645 | } | |
2646 | ||
2647 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, | |
2648 | struct mlx4_vhcr *vhcr, | |
2649 | struct mlx4_cmd_mailbox *inbox, | |
2650 | struct mlx4_cmd_mailbox *outbox, | |
2651 | struct mlx4_cmd_info *cmd) | |
2652 | { | |
2653 | struct mlx4_qp qp; /* dummy for calling attach/detach */ | |
2654 | u8 *gid = inbox->buf; | |
2655 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; | |
162344ed | 2656 | int err; |
c82e9aa0 EC |
2657 | int qpn; |
2658 | struct res_qp *rqp; | |
2659 | int attach = vhcr->op_modifier; | |
2660 | int block_loopback = vhcr->in_modifier >> 31; | |
2661 | u8 steer_type_mask = 2; | |
75c6062c | 2662 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
c82e9aa0 EC |
2663 | |
2664 | qpn = vhcr->in_modifier & 0xffffff; | |
2665 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
2666 | if (err) | |
2667 | return err; | |
2668 | ||
2669 | qp.qpn = qpn; | |
2670 | if (attach) { | |
9f5b6c63 | 2671 | err = add_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2672 | if (err) |
2673 | goto ex_put; | |
2674 | ||
2675 | err = mlx4_qp_attach_common(dev, &qp, gid, | |
2676 | block_loopback, prot, type); | |
2677 | if (err) | |
2678 | goto ex_rem; | |
2679 | } else { | |
9f5b6c63 | 2680 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2681 | if (err) |
2682 | goto ex_put; | |
2683 | err = mlx4_qp_detach_common(dev, &qp, gid, prot, type); | |
2684 | } | |
2685 | ||
2686 | put_res(dev, slave, qpn, RES_QP); | |
2687 | return 0; | |
2688 | ||
2689 | ex_rem: | |
2690 | /* ignore error return below, already in error */ | |
162344ed | 2691 | (void) rem_mcg_res(dev, slave, rqp, gid, prot, type); |
c82e9aa0 EC |
2692 | ex_put: |
2693 | put_res(dev, slave, qpn, RES_QP); | |
2694 | ||
2695 | return err; | |
2696 | } | |
2697 | ||
2698 | enum { | |
2699 | BUSY_MAX_RETRIES = 10 | |
2700 | }; | |
2701 | ||
2702 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, | |
2703 | struct mlx4_vhcr *vhcr, | |
2704 | struct mlx4_cmd_mailbox *inbox, | |
2705 | struct mlx4_cmd_mailbox *outbox, | |
2706 | struct mlx4_cmd_info *cmd) | |
2707 | { | |
2708 | int err; | |
2709 | int index = vhcr->in_modifier & 0xffff; | |
2710 | ||
2711 | err = get_res(dev, slave, index, RES_COUNTER, NULL); | |
2712 | if (err) | |
2713 | return err; | |
2714 | ||
2715 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2716 | put_res(dev, slave, index, RES_COUNTER); | |
2717 | return err; | |
2718 | } | |
2719 | ||
2720 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) | |
2721 | { | |
2722 | struct res_gid *rgid; | |
2723 | struct res_gid *tmp; | |
c82e9aa0 EC |
2724 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
2725 | ||
2726 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { | |
2727 | qp.qpn = rqp->local_qpn; | |
162344ed OG |
2728 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot, |
2729 | rgid->steer); | |
c82e9aa0 EC |
2730 | list_del(&rgid->list); |
2731 | kfree(rgid); | |
2732 | } | |
2733 | } | |
2734 | ||
2735 | static int _move_all_busy(struct mlx4_dev *dev, int slave, | |
2736 | enum mlx4_resource type, int print) | |
2737 | { | |
2738 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2739 | struct mlx4_resource_tracker *tracker = | |
2740 | &priv->mfunc.master.res_tracker; | |
2741 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; | |
2742 | struct res_common *r; | |
2743 | struct res_common *tmp; | |
2744 | int busy; | |
2745 | ||
2746 | busy = 0; | |
2747 | spin_lock_irq(mlx4_tlock(dev)); | |
2748 | list_for_each_entry_safe(r, tmp, rlist, list) { | |
2749 | if (r->owner == slave) { | |
2750 | if (!r->removing) { | |
2751 | if (r->state == RES_ANY_BUSY) { | |
2752 | if (print) | |
2753 | mlx4_dbg(dev, | |
2754 | "%s id 0x%x is busy\n", | |
2755 | ResourceType(type), | |
2756 | r->res_id); | |
2757 | ++busy; | |
2758 | } else { | |
2759 | r->from_state = r->state; | |
2760 | r->state = RES_ANY_BUSY; | |
2761 | r->removing = 1; | |
2762 | } | |
2763 | } | |
2764 | } | |
2765 | } | |
2766 | spin_unlock_irq(mlx4_tlock(dev)); | |
2767 | ||
2768 | return busy; | |
2769 | } | |
2770 | ||
2771 | static int move_all_busy(struct mlx4_dev *dev, int slave, | |
2772 | enum mlx4_resource type) | |
2773 | { | |
2774 | unsigned long begin; | |
2775 | int busy; | |
2776 | ||
2777 | begin = jiffies; | |
2778 | do { | |
2779 | busy = _move_all_busy(dev, slave, type, 0); | |
2780 | if (time_after(jiffies, begin + 5 * HZ)) | |
2781 | break; | |
2782 | if (busy) | |
2783 | cond_resched(); | |
2784 | } while (busy); | |
2785 | ||
2786 | if (busy) | |
2787 | busy = _move_all_busy(dev, slave, type, 1); | |
2788 | ||
2789 | return busy; | |
2790 | } | |
2791 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) | |
2792 | { | |
2793 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2794 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2795 | struct list_head *qp_list = | |
2796 | &tracker->slave_list[slave].res_list[RES_QP]; | |
2797 | struct res_qp *qp; | |
2798 | struct res_qp *tmp; | |
2799 | int state; | |
2800 | u64 in_param; | |
2801 | int qpn; | |
2802 | int err; | |
2803 | ||
2804 | err = move_all_busy(dev, slave, RES_QP); | |
2805 | if (err) | |
2806 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy" | |
2807 | "for slave %d\n", slave); | |
2808 | ||
2809 | spin_lock_irq(mlx4_tlock(dev)); | |
2810 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
2811 | spin_unlock_irq(mlx4_tlock(dev)); | |
2812 | if (qp->com.owner == slave) { | |
2813 | qpn = qp->com.res_id; | |
2814 | detach_qp(dev, slave, qp); | |
2815 | state = qp->com.from_state; | |
2816 | while (state != 0) { | |
2817 | switch (state) { | |
2818 | case RES_QP_RESERVED: | |
2819 | spin_lock_irq(mlx4_tlock(dev)); | |
2820 | radix_tree_delete(&tracker->res_tree[RES_QP], | |
2821 | qp->com.res_id); | |
2822 | list_del(&qp->com.list); | |
2823 | spin_unlock_irq(mlx4_tlock(dev)); | |
2824 | kfree(qp); | |
2825 | state = 0; | |
2826 | break; | |
2827 | case RES_QP_MAPPED: | |
2828 | if (!valid_reserved(dev, slave, qpn)) | |
2829 | __mlx4_qp_free_icm(dev, qpn); | |
2830 | state = RES_QP_RESERVED; | |
2831 | break; | |
2832 | case RES_QP_HW: | |
2833 | in_param = slave; | |
2834 | err = mlx4_cmd(dev, in_param, | |
2835 | qp->local_qpn, 2, | |
2836 | MLX4_CMD_2RST_QP, | |
2837 | MLX4_CMD_TIME_CLASS_A, | |
2838 | MLX4_CMD_NATIVE); | |
2839 | if (err) | |
2840 | mlx4_dbg(dev, "rem_slave_qps: failed" | |
2841 | " to move slave %d qpn %d to" | |
2842 | " reset\n", slave, | |
2843 | qp->local_qpn); | |
2844 | atomic_dec(&qp->rcq->ref_count); | |
2845 | atomic_dec(&qp->scq->ref_count); | |
2846 | atomic_dec(&qp->mtt->ref_count); | |
2847 | if (qp->srq) | |
2848 | atomic_dec(&qp->srq->ref_count); | |
2849 | state = RES_QP_MAPPED; | |
2850 | break; | |
2851 | default: | |
2852 | state = 0; | |
2853 | } | |
2854 | } | |
2855 | } | |
2856 | spin_lock_irq(mlx4_tlock(dev)); | |
2857 | } | |
2858 | spin_unlock_irq(mlx4_tlock(dev)); | |
2859 | } | |
2860 | ||
2861 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) | |
2862 | { | |
2863 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2864 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2865 | struct list_head *srq_list = | |
2866 | &tracker->slave_list[slave].res_list[RES_SRQ]; | |
2867 | struct res_srq *srq; | |
2868 | struct res_srq *tmp; | |
2869 | int state; | |
2870 | u64 in_param; | |
2871 | LIST_HEAD(tlist); | |
2872 | int srqn; | |
2873 | int err; | |
2874 | ||
2875 | err = move_all_busy(dev, slave, RES_SRQ); | |
2876 | if (err) | |
2877 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs to " | |
2878 | "busy for slave %d\n", slave); | |
2879 | ||
2880 | spin_lock_irq(mlx4_tlock(dev)); | |
2881 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { | |
2882 | spin_unlock_irq(mlx4_tlock(dev)); | |
2883 | if (srq->com.owner == slave) { | |
2884 | srqn = srq->com.res_id; | |
2885 | state = srq->com.from_state; | |
2886 | while (state != 0) { | |
2887 | switch (state) { | |
2888 | case RES_SRQ_ALLOCATED: | |
2889 | __mlx4_srq_free_icm(dev, srqn); | |
2890 | spin_lock_irq(mlx4_tlock(dev)); | |
2891 | radix_tree_delete(&tracker->res_tree[RES_SRQ], | |
2892 | srqn); | |
2893 | list_del(&srq->com.list); | |
2894 | spin_unlock_irq(mlx4_tlock(dev)); | |
2895 | kfree(srq); | |
2896 | state = 0; | |
2897 | break; | |
2898 | ||
2899 | case RES_SRQ_HW: | |
2900 | in_param = slave; | |
2901 | err = mlx4_cmd(dev, in_param, srqn, 1, | |
2902 | MLX4_CMD_HW2SW_SRQ, | |
2903 | MLX4_CMD_TIME_CLASS_A, | |
2904 | MLX4_CMD_NATIVE); | |
2905 | if (err) | |
2906 | mlx4_dbg(dev, "rem_slave_srqs: failed" | |
2907 | " to move slave %d srq %d to" | |
2908 | " SW ownership\n", | |
2909 | slave, srqn); | |
2910 | ||
2911 | atomic_dec(&srq->mtt->ref_count); | |
2912 | if (srq->cq) | |
2913 | atomic_dec(&srq->cq->ref_count); | |
2914 | state = RES_SRQ_ALLOCATED; | |
2915 | break; | |
2916 | ||
2917 | default: | |
2918 | state = 0; | |
2919 | } | |
2920 | } | |
2921 | } | |
2922 | spin_lock_irq(mlx4_tlock(dev)); | |
2923 | } | |
2924 | spin_unlock_irq(mlx4_tlock(dev)); | |
2925 | } | |
2926 | ||
2927 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) | |
2928 | { | |
2929 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2930 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2931 | struct list_head *cq_list = | |
2932 | &tracker->slave_list[slave].res_list[RES_CQ]; | |
2933 | struct res_cq *cq; | |
2934 | struct res_cq *tmp; | |
2935 | int state; | |
2936 | u64 in_param; | |
2937 | LIST_HEAD(tlist); | |
2938 | int cqn; | |
2939 | int err; | |
2940 | ||
2941 | err = move_all_busy(dev, slave, RES_CQ); | |
2942 | if (err) | |
2943 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs to " | |
2944 | "busy for slave %d\n", slave); | |
2945 | ||
2946 | spin_lock_irq(mlx4_tlock(dev)); | |
2947 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { | |
2948 | spin_unlock_irq(mlx4_tlock(dev)); | |
2949 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { | |
2950 | cqn = cq->com.res_id; | |
2951 | state = cq->com.from_state; | |
2952 | while (state != 0) { | |
2953 | switch (state) { | |
2954 | case RES_CQ_ALLOCATED: | |
2955 | __mlx4_cq_free_icm(dev, cqn); | |
2956 | spin_lock_irq(mlx4_tlock(dev)); | |
2957 | radix_tree_delete(&tracker->res_tree[RES_CQ], | |
2958 | cqn); | |
2959 | list_del(&cq->com.list); | |
2960 | spin_unlock_irq(mlx4_tlock(dev)); | |
2961 | kfree(cq); | |
2962 | state = 0; | |
2963 | break; | |
2964 | ||
2965 | case RES_CQ_HW: | |
2966 | in_param = slave; | |
2967 | err = mlx4_cmd(dev, in_param, cqn, 1, | |
2968 | MLX4_CMD_HW2SW_CQ, | |
2969 | MLX4_CMD_TIME_CLASS_A, | |
2970 | MLX4_CMD_NATIVE); | |
2971 | if (err) | |
2972 | mlx4_dbg(dev, "rem_slave_cqs: failed" | |
2973 | " to move slave %d cq %d to" | |
2974 | " SW ownership\n", | |
2975 | slave, cqn); | |
2976 | atomic_dec(&cq->mtt->ref_count); | |
2977 | state = RES_CQ_ALLOCATED; | |
2978 | break; | |
2979 | ||
2980 | default: | |
2981 | state = 0; | |
2982 | } | |
2983 | } | |
2984 | } | |
2985 | spin_lock_irq(mlx4_tlock(dev)); | |
2986 | } | |
2987 | spin_unlock_irq(mlx4_tlock(dev)); | |
2988 | } | |
2989 | ||
2990 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) | |
2991 | { | |
2992 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2993 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2994 | struct list_head *mpt_list = | |
2995 | &tracker->slave_list[slave].res_list[RES_MPT]; | |
2996 | struct res_mpt *mpt; | |
2997 | struct res_mpt *tmp; | |
2998 | int state; | |
2999 | u64 in_param; | |
3000 | LIST_HEAD(tlist); | |
3001 | int mptn; | |
3002 | int err; | |
3003 | ||
3004 | err = move_all_busy(dev, slave, RES_MPT); | |
3005 | if (err) | |
3006 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts to " | |
3007 | "busy for slave %d\n", slave); | |
3008 | ||
3009 | spin_lock_irq(mlx4_tlock(dev)); | |
3010 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { | |
3011 | spin_unlock_irq(mlx4_tlock(dev)); | |
3012 | if (mpt->com.owner == slave) { | |
3013 | mptn = mpt->com.res_id; | |
3014 | state = mpt->com.from_state; | |
3015 | while (state != 0) { | |
3016 | switch (state) { | |
3017 | case RES_MPT_RESERVED: | |
3018 | __mlx4_mr_release(dev, mpt->key); | |
3019 | spin_lock_irq(mlx4_tlock(dev)); | |
3020 | radix_tree_delete(&tracker->res_tree[RES_MPT], | |
3021 | mptn); | |
3022 | list_del(&mpt->com.list); | |
3023 | spin_unlock_irq(mlx4_tlock(dev)); | |
3024 | kfree(mpt); | |
3025 | state = 0; | |
3026 | break; | |
3027 | ||
3028 | case RES_MPT_MAPPED: | |
3029 | __mlx4_mr_free_icm(dev, mpt->key); | |
3030 | state = RES_MPT_RESERVED; | |
3031 | break; | |
3032 | ||
3033 | case RES_MPT_HW: | |
3034 | in_param = slave; | |
3035 | err = mlx4_cmd(dev, in_param, mptn, 0, | |
3036 | MLX4_CMD_HW2SW_MPT, | |
3037 | MLX4_CMD_TIME_CLASS_A, | |
3038 | MLX4_CMD_NATIVE); | |
3039 | if (err) | |
3040 | mlx4_dbg(dev, "rem_slave_mrs: failed" | |
3041 | " to move slave %d mpt %d to" | |
3042 | " SW ownership\n", | |
3043 | slave, mptn); | |
3044 | if (mpt->mtt) | |
3045 | atomic_dec(&mpt->mtt->ref_count); | |
3046 | state = RES_MPT_MAPPED; | |
3047 | break; | |
3048 | default: | |
3049 | state = 0; | |
3050 | } | |
3051 | } | |
3052 | } | |
3053 | spin_lock_irq(mlx4_tlock(dev)); | |
3054 | } | |
3055 | spin_unlock_irq(mlx4_tlock(dev)); | |
3056 | } | |
3057 | ||
3058 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) | |
3059 | { | |
3060 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3061 | struct mlx4_resource_tracker *tracker = | |
3062 | &priv->mfunc.master.res_tracker; | |
3063 | struct list_head *mtt_list = | |
3064 | &tracker->slave_list[slave].res_list[RES_MTT]; | |
3065 | struct res_mtt *mtt; | |
3066 | struct res_mtt *tmp; | |
3067 | int state; | |
3068 | LIST_HEAD(tlist); | |
3069 | int base; | |
3070 | int err; | |
3071 | ||
3072 | err = move_all_busy(dev, slave, RES_MTT); | |
3073 | if (err) | |
3074 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts to " | |
3075 | "busy for slave %d\n", slave); | |
3076 | ||
3077 | spin_lock_irq(mlx4_tlock(dev)); | |
3078 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { | |
3079 | spin_unlock_irq(mlx4_tlock(dev)); | |
3080 | if (mtt->com.owner == slave) { | |
3081 | base = mtt->com.res_id; | |
3082 | state = mtt->com.from_state; | |
3083 | while (state != 0) { | |
3084 | switch (state) { | |
3085 | case RES_MTT_ALLOCATED: | |
3086 | __mlx4_free_mtt_range(dev, base, | |
3087 | mtt->order); | |
3088 | spin_lock_irq(mlx4_tlock(dev)); | |
3089 | radix_tree_delete(&tracker->res_tree[RES_MTT], | |
3090 | base); | |
3091 | list_del(&mtt->com.list); | |
3092 | spin_unlock_irq(mlx4_tlock(dev)); | |
3093 | kfree(mtt); | |
3094 | state = 0; | |
3095 | break; | |
3096 | ||
3097 | default: | |
3098 | state = 0; | |
3099 | } | |
3100 | } | |
3101 | } | |
3102 | spin_lock_irq(mlx4_tlock(dev)); | |
3103 | } | |
3104 | spin_unlock_irq(mlx4_tlock(dev)); | |
3105 | } | |
3106 | ||
3107 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) | |
3108 | { | |
3109 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3110 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3111 | struct list_head *eq_list = | |
3112 | &tracker->slave_list[slave].res_list[RES_EQ]; | |
3113 | struct res_eq *eq; | |
3114 | struct res_eq *tmp; | |
3115 | int err; | |
3116 | int state; | |
3117 | LIST_HEAD(tlist); | |
3118 | int eqn; | |
3119 | struct mlx4_cmd_mailbox *mailbox; | |
3120 | ||
3121 | err = move_all_busy(dev, slave, RES_EQ); | |
3122 | if (err) | |
3123 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs to " | |
3124 | "busy for slave %d\n", slave); | |
3125 | ||
3126 | spin_lock_irq(mlx4_tlock(dev)); | |
3127 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { | |
3128 | spin_unlock_irq(mlx4_tlock(dev)); | |
3129 | if (eq->com.owner == slave) { | |
3130 | eqn = eq->com.res_id; | |
3131 | state = eq->com.from_state; | |
3132 | while (state != 0) { | |
3133 | switch (state) { | |
3134 | case RES_EQ_RESERVED: | |
3135 | spin_lock_irq(mlx4_tlock(dev)); | |
3136 | radix_tree_delete(&tracker->res_tree[RES_EQ], | |
3137 | eqn); | |
3138 | list_del(&eq->com.list); | |
3139 | spin_unlock_irq(mlx4_tlock(dev)); | |
3140 | kfree(eq); | |
3141 | state = 0; | |
3142 | break; | |
3143 | ||
3144 | case RES_EQ_HW: | |
3145 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
3146 | if (IS_ERR(mailbox)) { | |
3147 | cond_resched(); | |
3148 | continue; | |
3149 | } | |
3150 | err = mlx4_cmd_box(dev, slave, 0, | |
3151 | eqn & 0xff, 0, | |
3152 | MLX4_CMD_HW2SW_EQ, | |
3153 | MLX4_CMD_TIME_CLASS_A, | |
3154 | MLX4_CMD_NATIVE); | |
eb71d0d6 JM |
3155 | if (err) |
3156 | mlx4_dbg(dev, "rem_slave_eqs: failed" | |
3157 | " to move slave %d eqs %d to" | |
3158 | " SW ownership\n", slave, eqn); | |
c82e9aa0 | 3159 | mlx4_free_cmd_mailbox(dev, mailbox); |
eb71d0d6 JM |
3160 | atomic_dec(&eq->mtt->ref_count); |
3161 | state = RES_EQ_RESERVED; | |
c82e9aa0 EC |
3162 | break; |
3163 | ||
3164 | default: | |
3165 | state = 0; | |
3166 | } | |
3167 | } | |
3168 | } | |
3169 | spin_lock_irq(mlx4_tlock(dev)); | |
3170 | } | |
3171 | spin_unlock_irq(mlx4_tlock(dev)); | |
3172 | } | |
3173 | ||
ba062d52 JM |
3174 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
3175 | { | |
3176 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3177 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3178 | struct list_head *counter_list = | |
3179 | &tracker->slave_list[slave].res_list[RES_COUNTER]; | |
3180 | struct res_counter *counter; | |
3181 | struct res_counter *tmp; | |
3182 | int err; | |
3183 | int index; | |
3184 | ||
3185 | err = move_all_busy(dev, slave, RES_COUNTER); | |
3186 | if (err) | |
3187 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters to " | |
3188 | "busy for slave %d\n", slave); | |
3189 | ||
3190 | spin_lock_irq(mlx4_tlock(dev)); | |
3191 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { | |
3192 | if (counter->com.owner == slave) { | |
3193 | index = counter->com.res_id; | |
3194 | radix_tree_delete(&tracker->res_tree[RES_COUNTER], index); | |
3195 | list_del(&counter->com.list); | |
3196 | kfree(counter); | |
3197 | __mlx4_counter_free(dev, index); | |
3198 | } | |
3199 | } | |
3200 | spin_unlock_irq(mlx4_tlock(dev)); | |
3201 | } | |
3202 | ||
3203 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) | |
3204 | { | |
3205 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3206 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3207 | struct list_head *xrcdn_list = | |
3208 | &tracker->slave_list[slave].res_list[RES_XRCD]; | |
3209 | struct res_xrcdn *xrcd; | |
3210 | struct res_xrcdn *tmp; | |
3211 | int err; | |
3212 | int xrcdn; | |
3213 | ||
3214 | err = move_all_busy(dev, slave, RES_XRCD); | |
3215 | if (err) | |
3216 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns to " | |
3217 | "busy for slave %d\n", slave); | |
3218 | ||
3219 | spin_lock_irq(mlx4_tlock(dev)); | |
3220 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { | |
3221 | if (xrcd->com.owner == slave) { | |
3222 | xrcdn = xrcd->com.res_id; | |
3223 | radix_tree_delete(&tracker->res_tree[RES_XRCD], xrcdn); | |
3224 | list_del(&xrcd->com.list); | |
3225 | kfree(xrcd); | |
3226 | __mlx4_xrcd_free(dev, xrcdn); | |
3227 | } | |
3228 | } | |
3229 | spin_unlock_irq(mlx4_tlock(dev)); | |
3230 | } | |
3231 | ||
c82e9aa0 EC |
3232 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
3233 | { | |
3234 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3235 | ||
3236 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); | |
3237 | /*VLAN*/ | |
3238 | rem_slave_macs(dev, slave); | |
3239 | rem_slave_qps(dev, slave); | |
3240 | rem_slave_srqs(dev, slave); | |
3241 | rem_slave_cqs(dev, slave); | |
3242 | rem_slave_mrs(dev, slave); | |
3243 | rem_slave_eqs(dev, slave); | |
3244 | rem_slave_mtts(dev, slave); | |
ba062d52 JM |
3245 | rem_slave_counters(dev, slave); |
3246 | rem_slave_xrcdns(dev, slave); | |
c82e9aa0 EC |
3247 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
3248 | } |