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c82e9aa0 EC |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
3 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. | |
4 | * All rights reserved. | |
5 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
6 | * | |
7 | * This software is available to you under a choice of one of two | |
8 | * licenses. You may choose to be licensed under the terms of the GNU | |
9 | * General Public License (GPL) Version 2, available from the file | |
10 | * COPYING in the main directory of this source tree, or the | |
11 | * OpenIB.org BSD license below: | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or | |
14 | * without modification, are permitted provided that the following | |
15 | * conditions are met: | |
16 | * | |
17 | * - Redistributions of source code must retain the above | |
18 | * copyright notice, this list of conditions and the following | |
19 | * disclaimer. | |
20 | * | |
21 | * - Redistributions in binary form must reproduce the above | |
22 | * copyright notice, this list of conditions and the following | |
23 | * disclaimer in the documentation and/or other materials | |
24 | * provided with the distribution. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
33 | * SOFTWARE. | |
34 | */ | |
35 | ||
36 | #include <linux/sched.h> | |
37 | #include <linux/pci.h> | |
38 | #include <linux/errno.h> | |
39 | #include <linux/kernel.h> | |
40 | #include <linux/io.h> | |
e143a1ad | 41 | #include <linux/slab.h> |
c82e9aa0 EC |
42 | #include <linux/mlx4/cmd.h> |
43 | #include <linux/mlx4/qp.h> | |
af22d9de | 44 | #include <linux/if_ether.h> |
7fb40f87 | 45 | #include <linux/etherdevice.h> |
c82e9aa0 EC |
46 | |
47 | #include "mlx4.h" | |
48 | #include "fw.h" | |
62a89055 | 49 | #include "mlx4_stats.h" |
c82e9aa0 EC |
50 | |
51 | #define MLX4_MAC_VALID (1ull << 63) | |
9de92c60 EBE |
52 | #define MLX4_PF_COUNTERS_PER_PORT 2 |
53 | #define MLX4_VF_COUNTERS_PER_PORT 1 | |
c82e9aa0 EC |
54 | |
55 | struct mac_res { | |
56 | struct list_head list; | |
57 | u64 mac; | |
2f5bb473 JM |
58 | int ref_count; |
59 | u8 smac_index; | |
c82e9aa0 EC |
60 | u8 port; |
61 | }; | |
62 | ||
4874080d JM |
63 | struct vlan_res { |
64 | struct list_head list; | |
65 | u16 vlan; | |
66 | int ref_count; | |
67 | int vlan_index; | |
68 | u8 port; | |
69 | }; | |
70 | ||
c82e9aa0 EC |
71 | struct res_common { |
72 | struct list_head list; | |
4af1c048 | 73 | struct rb_node node; |
aa1ec3dd | 74 | u64 res_id; |
c82e9aa0 EC |
75 | int owner; |
76 | int state; | |
77 | int from_state; | |
78 | int to_state; | |
79 | int removing; | |
ae5a2e29 | 80 | const char *func_name; |
c82e9aa0 EC |
81 | }; |
82 | ||
83 | enum { | |
84 | RES_ANY_BUSY = 1 | |
85 | }; | |
86 | ||
87 | struct res_gid { | |
88 | struct list_head list; | |
89 | u8 gid[16]; | |
90 | enum mlx4_protocol prot; | |
9f5b6c63 | 91 | enum mlx4_steer_type steer; |
fab1e24a | 92 | u64 reg_id; |
c82e9aa0 EC |
93 | }; |
94 | ||
95 | enum res_qp_states { | |
96 | RES_QP_BUSY = RES_ANY_BUSY, | |
97 | ||
98 | /* QP number was allocated */ | |
99 | RES_QP_RESERVED, | |
100 | ||
101 | /* ICM memory for QP context was mapped */ | |
102 | RES_QP_MAPPED, | |
103 | ||
104 | /* QP is in hw ownership */ | |
105 | RES_QP_HW | |
106 | }; | |
107 | ||
c82e9aa0 EC |
108 | struct res_qp { |
109 | struct res_common com; | |
110 | struct res_mtt *mtt; | |
111 | struct res_cq *rcq; | |
112 | struct res_cq *scq; | |
113 | struct res_srq *srq; | |
114 | struct list_head mcg_list; | |
115 | spinlock_t mcg_spl; | |
116 | int local_qpn; | |
2c473ae7 | 117 | atomic_t ref_count; |
b01978ca | 118 | u32 qpc_flags; |
f0f829bf | 119 | /* saved qp params before VST enforcement in order to restore on VGT */ |
b01978ca | 120 | u8 sched_queue; |
f0f829bf RE |
121 | __be32 param3; |
122 | u8 vlan_control; | |
123 | u8 fvl_rx; | |
124 | u8 pri_path_fl; | |
125 | u8 vlan_index; | |
126 | u8 feup; | |
c82e9aa0 EC |
127 | }; |
128 | ||
129 | enum res_mtt_states { | |
130 | RES_MTT_BUSY = RES_ANY_BUSY, | |
131 | RES_MTT_ALLOCATED, | |
132 | }; | |
133 | ||
134 | static inline const char *mtt_states_str(enum res_mtt_states state) | |
135 | { | |
136 | switch (state) { | |
137 | case RES_MTT_BUSY: return "RES_MTT_BUSY"; | |
138 | case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; | |
139 | default: return "Unknown"; | |
140 | } | |
141 | } | |
142 | ||
143 | struct res_mtt { | |
144 | struct res_common com; | |
145 | int order; | |
146 | atomic_t ref_count; | |
147 | }; | |
148 | ||
149 | enum res_mpt_states { | |
150 | RES_MPT_BUSY = RES_ANY_BUSY, | |
151 | RES_MPT_RESERVED, | |
152 | RES_MPT_MAPPED, | |
153 | RES_MPT_HW, | |
154 | }; | |
155 | ||
156 | struct res_mpt { | |
157 | struct res_common com; | |
158 | struct res_mtt *mtt; | |
159 | int key; | |
160 | }; | |
161 | ||
162 | enum res_eq_states { | |
163 | RES_EQ_BUSY = RES_ANY_BUSY, | |
164 | RES_EQ_RESERVED, | |
165 | RES_EQ_HW, | |
166 | }; | |
167 | ||
168 | struct res_eq { | |
169 | struct res_common com; | |
170 | struct res_mtt *mtt; | |
171 | }; | |
172 | ||
173 | enum res_cq_states { | |
174 | RES_CQ_BUSY = RES_ANY_BUSY, | |
175 | RES_CQ_ALLOCATED, | |
176 | RES_CQ_HW, | |
177 | }; | |
178 | ||
179 | struct res_cq { | |
180 | struct res_common com; | |
181 | struct res_mtt *mtt; | |
182 | atomic_t ref_count; | |
183 | }; | |
184 | ||
185 | enum res_srq_states { | |
186 | RES_SRQ_BUSY = RES_ANY_BUSY, | |
187 | RES_SRQ_ALLOCATED, | |
188 | RES_SRQ_HW, | |
189 | }; | |
190 | ||
c82e9aa0 EC |
191 | struct res_srq { |
192 | struct res_common com; | |
193 | struct res_mtt *mtt; | |
194 | struct res_cq *cq; | |
195 | atomic_t ref_count; | |
196 | }; | |
197 | ||
198 | enum res_counter_states { | |
199 | RES_COUNTER_BUSY = RES_ANY_BUSY, | |
200 | RES_COUNTER_ALLOCATED, | |
201 | }; | |
202 | ||
c82e9aa0 EC |
203 | struct res_counter { |
204 | struct res_common com; | |
205 | int port; | |
206 | }; | |
207 | ||
ba062d52 JM |
208 | enum res_xrcdn_states { |
209 | RES_XRCD_BUSY = RES_ANY_BUSY, | |
210 | RES_XRCD_ALLOCATED, | |
211 | }; | |
212 | ||
213 | struct res_xrcdn { | |
214 | struct res_common com; | |
215 | int port; | |
216 | }; | |
217 | ||
1b9c6b06 HHZ |
218 | enum res_fs_rule_states { |
219 | RES_FS_RULE_BUSY = RES_ANY_BUSY, | |
220 | RES_FS_RULE_ALLOCATED, | |
221 | }; | |
222 | ||
223 | struct res_fs_rule { | |
224 | struct res_common com; | |
2c473ae7 | 225 | int qpn; |
78efed27 MS |
226 | /* VF DMFS mbox with port flipped */ |
227 | void *mirr_mbox; | |
228 | /* > 0 --> apply mirror when getting into HA mode */ | |
229 | /* = 0 --> un-apply mirror when getting out of HA mode */ | |
230 | u32 mirr_mbox_size; | |
231 | struct list_head mirr_list; | |
232 | u64 mirr_rule_id; | |
1b9c6b06 HHZ |
233 | }; |
234 | ||
4af1c048 HHZ |
235 | static void *res_tracker_lookup(struct rb_root *root, u64 res_id) |
236 | { | |
237 | struct rb_node *node = root->rb_node; | |
238 | ||
239 | while (node) { | |
3704eb6f GT |
240 | struct res_common *res = rb_entry(node, struct res_common, |
241 | node); | |
4af1c048 HHZ |
242 | |
243 | if (res_id < res->res_id) | |
244 | node = node->rb_left; | |
245 | else if (res_id > res->res_id) | |
246 | node = node->rb_right; | |
247 | else | |
248 | return res; | |
249 | } | |
250 | return NULL; | |
251 | } | |
252 | ||
253 | static int res_tracker_insert(struct rb_root *root, struct res_common *res) | |
254 | { | |
255 | struct rb_node **new = &(root->rb_node), *parent = NULL; | |
256 | ||
257 | /* Figure out where to put new node */ | |
258 | while (*new) { | |
3704eb6f GT |
259 | struct res_common *this = rb_entry(*new, struct res_common, |
260 | node); | |
4af1c048 HHZ |
261 | |
262 | parent = *new; | |
263 | if (res->res_id < this->res_id) | |
264 | new = &((*new)->rb_left); | |
265 | else if (res->res_id > this->res_id) | |
266 | new = &((*new)->rb_right); | |
267 | else | |
268 | return -EEXIST; | |
269 | } | |
270 | ||
271 | /* Add new node and rebalance tree. */ | |
272 | rb_link_node(&res->node, parent, new); | |
273 | rb_insert_color(&res->node, root); | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
54679e14 JM |
278 | enum qp_transition { |
279 | QP_TRANS_INIT2RTR, | |
280 | QP_TRANS_RTR2RTS, | |
281 | QP_TRANS_RTS2RTS, | |
282 | QP_TRANS_SQERR2RTS, | |
283 | QP_TRANS_SQD2SQD, | |
284 | QP_TRANS_SQD2RTS | |
285 | }; | |
286 | ||
c82e9aa0 | 287 | /* For Debug uses */ |
95646373 | 288 | static const char *resource_str(enum mlx4_resource rt) |
c82e9aa0 EC |
289 | { |
290 | switch (rt) { | |
291 | case RES_QP: return "RES_QP"; | |
292 | case RES_CQ: return "RES_CQ"; | |
293 | case RES_SRQ: return "RES_SRQ"; | |
294 | case RES_MPT: return "RES_MPT"; | |
295 | case RES_MTT: return "RES_MTT"; | |
296 | case RES_MAC: return "RES_MAC"; | |
4874080d | 297 | case RES_VLAN: return "RES_VLAN"; |
c82e9aa0 EC |
298 | case RES_EQ: return "RES_EQ"; |
299 | case RES_COUNTER: return "RES_COUNTER"; | |
1b9c6b06 | 300 | case RES_FS_RULE: return "RES_FS_RULE"; |
ba062d52 | 301 | case RES_XRCD: return "RES_XRCD"; |
c82e9aa0 EC |
302 | default: return "Unknown resource type !!!"; |
303 | }; | |
304 | } | |
305 | ||
4874080d | 306 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave); |
146f3ef4 JM |
307 | static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave, |
308 | enum mlx4_resource res_type, int count, | |
309 | int port) | |
310 | { | |
311 | struct mlx4_priv *priv = mlx4_priv(dev); | |
312 | struct resource_allocator *res_alloc = | |
313 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; | |
83bd5118 | 314 | int err = -EDQUOT; |
146f3ef4 | 315 | int allocated, free, reserved, guaranteed, from_free; |
95646373 | 316 | int from_rsvd; |
146f3ef4 | 317 | |
872bf2fb | 318 | if (slave > dev->persist->num_vfs) |
146f3ef4 JM |
319 | return -EINVAL; |
320 | ||
321 | spin_lock(&res_alloc->alloc_lock); | |
322 | allocated = (port > 0) ? | |
872bf2fb YH |
323 | res_alloc->allocated[(port - 1) * |
324 | (dev->persist->num_vfs + 1) + slave] : | |
146f3ef4 JM |
325 | res_alloc->allocated[slave]; |
326 | free = (port > 0) ? res_alloc->res_port_free[port - 1] : | |
327 | res_alloc->res_free; | |
328 | reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] : | |
329 | res_alloc->res_reserved; | |
330 | guaranteed = res_alloc->guaranteed[slave]; | |
331 | ||
95646373 JM |
332 | if (allocated + count > res_alloc->quota[slave]) { |
333 | mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n", | |
334 | slave, port, resource_str(res_type), count, | |
335 | allocated, res_alloc->quota[slave]); | |
146f3ef4 | 336 | goto out; |
95646373 | 337 | } |
146f3ef4 JM |
338 | |
339 | if (allocated + count <= guaranteed) { | |
340 | err = 0; | |
95646373 | 341 | from_rsvd = count; |
146f3ef4 JM |
342 | } else { |
343 | /* portion may need to be obtained from free area */ | |
344 | if (guaranteed - allocated > 0) | |
345 | from_free = count - (guaranteed - allocated); | |
346 | else | |
347 | from_free = count; | |
348 | ||
95646373 JM |
349 | from_rsvd = count - from_free; |
350 | ||
351 | if (free - from_free >= reserved) | |
146f3ef4 | 352 | err = 0; |
95646373 JM |
353 | else |
354 | mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n", | |
355 | slave, port, resource_str(res_type), free, | |
356 | from_free, reserved); | |
146f3ef4 JM |
357 | } |
358 | ||
359 | if (!err) { | |
360 | /* grant the request */ | |
361 | if (port > 0) { | |
872bf2fb YH |
362 | res_alloc->allocated[(port - 1) * |
363 | (dev->persist->num_vfs + 1) + slave] += count; | |
146f3ef4 | 364 | res_alloc->res_port_free[port - 1] -= count; |
95646373 | 365 | res_alloc->res_port_rsvd[port - 1] -= from_rsvd; |
146f3ef4 JM |
366 | } else { |
367 | res_alloc->allocated[slave] += count; | |
368 | res_alloc->res_free -= count; | |
95646373 | 369 | res_alloc->res_reserved -= from_rsvd; |
146f3ef4 JM |
370 | } |
371 | } | |
372 | ||
373 | out: | |
374 | spin_unlock(&res_alloc->alloc_lock); | |
375 | return err; | |
376 | } | |
377 | ||
378 | static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave, | |
379 | enum mlx4_resource res_type, int count, | |
380 | int port) | |
381 | { | |
382 | struct mlx4_priv *priv = mlx4_priv(dev); | |
383 | struct resource_allocator *res_alloc = | |
384 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; | |
95646373 | 385 | int allocated, guaranteed, from_rsvd; |
146f3ef4 | 386 | |
872bf2fb | 387 | if (slave > dev->persist->num_vfs) |
146f3ef4 JM |
388 | return; |
389 | ||
390 | spin_lock(&res_alloc->alloc_lock); | |
95646373 JM |
391 | |
392 | allocated = (port > 0) ? | |
872bf2fb YH |
393 | res_alloc->allocated[(port - 1) * |
394 | (dev->persist->num_vfs + 1) + slave] : | |
95646373 JM |
395 | res_alloc->allocated[slave]; |
396 | guaranteed = res_alloc->guaranteed[slave]; | |
397 | ||
398 | if (allocated - count >= guaranteed) { | |
399 | from_rsvd = 0; | |
400 | } else { | |
401 | /* portion may need to be returned to reserved area */ | |
402 | if (allocated - guaranteed > 0) | |
403 | from_rsvd = count - (allocated - guaranteed); | |
404 | else | |
405 | from_rsvd = count; | |
406 | } | |
407 | ||
146f3ef4 | 408 | if (port > 0) { |
872bf2fb YH |
409 | res_alloc->allocated[(port - 1) * |
410 | (dev->persist->num_vfs + 1) + slave] -= count; | |
146f3ef4 | 411 | res_alloc->res_port_free[port - 1] += count; |
95646373 | 412 | res_alloc->res_port_rsvd[port - 1] += from_rsvd; |
146f3ef4 JM |
413 | } else { |
414 | res_alloc->allocated[slave] -= count; | |
415 | res_alloc->res_free += count; | |
95646373 | 416 | res_alloc->res_reserved += from_rsvd; |
146f3ef4 JM |
417 | } |
418 | ||
419 | spin_unlock(&res_alloc->alloc_lock); | |
420 | return; | |
421 | } | |
422 | ||
5a0d0a61 JM |
423 | static inline void initialize_res_quotas(struct mlx4_dev *dev, |
424 | struct resource_allocator *res_alloc, | |
425 | enum mlx4_resource res_type, | |
426 | int vf, int num_instances) | |
427 | { | |
872bf2fb YH |
428 | res_alloc->guaranteed[vf] = num_instances / |
429 | (2 * (dev->persist->num_vfs + 1)); | |
5a0d0a61 JM |
430 | res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf]; |
431 | if (vf == mlx4_master_func_num(dev)) { | |
432 | res_alloc->res_free = num_instances; | |
433 | if (res_type == RES_MTT) { | |
434 | /* reserved mtts will be taken out of the PF allocation */ | |
435 | res_alloc->res_free += dev->caps.reserved_mtts; | |
436 | res_alloc->guaranteed[vf] += dev->caps.reserved_mtts; | |
437 | res_alloc->quota[vf] += dev->caps.reserved_mtts; | |
438 | } | |
439 | } | |
440 | } | |
441 | ||
442 | void mlx4_init_quotas(struct mlx4_dev *dev) | |
443 | { | |
444 | struct mlx4_priv *priv = mlx4_priv(dev); | |
445 | int pf; | |
446 | ||
447 | /* quotas for VFs are initialized in mlx4_slave_cap */ | |
448 | if (mlx4_is_slave(dev)) | |
449 | return; | |
450 | ||
451 | if (!mlx4_is_mfunc(dev)) { | |
452 | dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps - | |
453 | mlx4_num_reserved_sqps(dev); | |
454 | dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs; | |
455 | dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs; | |
456 | dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts; | |
457 | dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws; | |
458 | return; | |
459 | } | |
460 | ||
461 | pf = mlx4_master_func_num(dev); | |
462 | dev->quotas.qp = | |
463 | priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf]; | |
464 | dev->quotas.cq = | |
465 | priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf]; | |
466 | dev->quotas.srq = | |
467 | priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf]; | |
468 | dev->quotas.mtt = | |
469 | priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf]; | |
470 | dev->quotas.mpt = | |
471 | priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; | |
472 | } | |
9de92c60 EBE |
473 | |
474 | static int get_max_gauranteed_vfs_counter(struct mlx4_dev *dev) | |
475 | { | |
476 | /* reduce the sink counter */ | |
477 | return (dev->caps.max_counters - 1 - | |
478 | (MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS)) | |
479 | / MLX4_MAX_PORTS; | |
480 | } | |
481 | ||
c82e9aa0 EC |
482 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
483 | { | |
484 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5a0d0a61 | 485 | int i, j; |
c82e9aa0 | 486 | int t; |
9de92c60 | 487 | int max_vfs_guarantee_counter = get_max_gauranteed_vfs_counter(dev); |
c82e9aa0 EC |
488 | |
489 | priv->mfunc.master.res_tracker.slave_list = | |
490 | kzalloc(dev->num_slaves * sizeof(struct slave_list), | |
491 | GFP_KERNEL); | |
492 | if (!priv->mfunc.master.res_tracker.slave_list) | |
493 | return -ENOMEM; | |
494 | ||
495 | for (i = 0 ; i < dev->num_slaves; i++) { | |
496 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) | |
497 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. | |
498 | slave_list[i].res_list[t]); | |
499 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
500 | } | |
501 | ||
502 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", | |
503 | dev->num_slaves); | |
504 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) | |
4af1c048 | 505 | priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; |
c82e9aa0 | 506 | |
5a0d0a61 JM |
507 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
508 | struct resource_allocator *res_alloc = | |
509 | &priv->mfunc.master.res_tracker.res_alloc[i]; | |
6da2ec56 KC |
510 | res_alloc->quota = kmalloc_array(dev->persist->num_vfs + 1, |
511 | sizeof(int), | |
512 | GFP_KERNEL); | |
513 | res_alloc->guaranteed = kmalloc_array(dev->persist->num_vfs + 1, | |
514 | sizeof(int), | |
515 | GFP_KERNEL); | |
5a0d0a61 JM |
516 | if (i == RES_MAC || i == RES_VLAN) |
517 | res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * | |
872bf2fb YH |
518 | (dev->persist->num_vfs |
519 | + 1) * | |
520 | sizeof(int), GFP_KERNEL); | |
5a0d0a61 | 521 | else |
872bf2fb YH |
522 | res_alloc->allocated = kzalloc((dev->persist-> |
523 | num_vfs + 1) * | |
524 | sizeof(int), GFP_KERNEL); | |
9de92c60 EBE |
525 | /* Reduce the sink counter */ |
526 | if (i == RES_COUNTER) | |
527 | res_alloc->res_free = dev->caps.max_counters - 1; | |
5a0d0a61 JM |
528 | |
529 | if (!res_alloc->quota || !res_alloc->guaranteed || | |
530 | !res_alloc->allocated) | |
531 | goto no_mem_err; | |
532 | ||
146f3ef4 | 533 | spin_lock_init(&res_alloc->alloc_lock); |
872bf2fb | 534 | for (t = 0; t < dev->persist->num_vfs + 1; t++) { |
449fc488 MB |
535 | struct mlx4_active_ports actv_ports = |
536 | mlx4_get_active_ports(dev, t); | |
5a0d0a61 JM |
537 | switch (i) { |
538 | case RES_QP: | |
539 | initialize_res_quotas(dev, res_alloc, RES_QP, | |
540 | t, dev->caps.num_qps - | |
541 | dev->caps.reserved_qps - | |
542 | mlx4_num_reserved_sqps(dev)); | |
543 | break; | |
544 | case RES_CQ: | |
545 | initialize_res_quotas(dev, res_alloc, RES_CQ, | |
546 | t, dev->caps.num_cqs - | |
547 | dev->caps.reserved_cqs); | |
548 | break; | |
549 | case RES_SRQ: | |
550 | initialize_res_quotas(dev, res_alloc, RES_SRQ, | |
551 | t, dev->caps.num_srqs - | |
552 | dev->caps.reserved_srqs); | |
553 | break; | |
554 | case RES_MPT: | |
555 | initialize_res_quotas(dev, res_alloc, RES_MPT, | |
556 | t, dev->caps.num_mpts - | |
557 | dev->caps.reserved_mrws); | |
558 | break; | |
559 | case RES_MTT: | |
560 | initialize_res_quotas(dev, res_alloc, RES_MTT, | |
561 | t, dev->caps.num_mtts - | |
562 | dev->caps.reserved_mtts); | |
563 | break; | |
564 | case RES_MAC: | |
565 | if (t == mlx4_master_func_num(dev)) { | |
449fc488 MB |
566 | int max_vfs_pport = 0; |
567 | /* Calculate the max vfs per port for */ | |
568 | /* both ports. */ | |
569 | for (j = 0; j < dev->caps.num_ports; | |
570 | j++) { | |
571 | struct mlx4_slaves_pport slaves_pport = | |
572 | mlx4_phys_to_slaves_pport(dev, j + 1); | |
573 | unsigned current_slaves = | |
574 | bitmap_weight(slaves_pport.slaves, | |
575 | dev->caps.num_ports) - 1; | |
576 | if (max_vfs_pport < current_slaves) | |
577 | max_vfs_pport = | |
578 | current_slaves; | |
579 | } | |
580 | res_alloc->quota[t] = | |
581 | MLX4_MAX_MAC_NUM - | |
582 | 2 * max_vfs_pport; | |
5a0d0a61 JM |
583 | res_alloc->guaranteed[t] = 2; |
584 | for (j = 0; j < MLX4_MAX_PORTS; j++) | |
449fc488 MB |
585 | res_alloc->res_port_free[j] = |
586 | MLX4_MAX_MAC_NUM; | |
5a0d0a61 JM |
587 | } else { |
588 | res_alloc->quota[t] = MLX4_MAX_MAC_NUM; | |
589 | res_alloc->guaranteed[t] = 2; | |
590 | } | |
591 | break; | |
592 | case RES_VLAN: | |
593 | if (t == mlx4_master_func_num(dev)) { | |
594 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM; | |
595 | res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2; | |
596 | for (j = 0; j < MLX4_MAX_PORTS; j++) | |
597 | res_alloc->res_port_free[j] = | |
598 | res_alloc->quota[t]; | |
599 | } else { | |
600 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2; | |
601 | res_alloc->guaranteed[t] = 0; | |
602 | } | |
603 | break; | |
604 | case RES_COUNTER: | |
605 | res_alloc->quota[t] = dev->caps.max_counters; | |
5a0d0a61 | 606 | if (t == mlx4_master_func_num(dev)) |
9de92c60 EBE |
607 | res_alloc->guaranteed[t] = |
608 | MLX4_PF_COUNTERS_PER_PORT * | |
609 | MLX4_MAX_PORTS; | |
610 | else if (t <= max_vfs_guarantee_counter) | |
611 | res_alloc->guaranteed[t] = | |
612 | MLX4_VF_COUNTERS_PER_PORT * | |
613 | MLX4_MAX_PORTS; | |
614 | else | |
615 | res_alloc->guaranteed[t] = 0; | |
5a0d0a61 JM |
616 | break; |
617 | default: | |
618 | break; | |
619 | } | |
620 | if (i == RES_MAC || i == RES_VLAN) { | |
449fc488 MB |
621 | for (j = 0; j < dev->caps.num_ports; j++) |
622 | if (test_bit(j, actv_ports.ports)) | |
623 | res_alloc->res_port_rsvd[j] += | |
624 | res_alloc->guaranteed[t]; | |
5a0d0a61 JM |
625 | } else { |
626 | res_alloc->res_reserved += res_alloc->guaranteed[t]; | |
627 | } | |
628 | } | |
629 | } | |
c82e9aa0 | 630 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); |
5a0d0a61 JM |
631 | return 0; |
632 | ||
633 | no_mem_err: | |
634 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { | |
635 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); | |
636 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; | |
637 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); | |
638 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; | |
639 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); | |
640 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; | |
641 | } | |
642 | return -ENOMEM; | |
c82e9aa0 EC |
643 | } |
644 | ||
b8924951 JM |
645 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
646 | enum mlx4_res_tracker_free_type type) | |
c82e9aa0 EC |
647 | { |
648 | struct mlx4_priv *priv = mlx4_priv(dev); | |
649 | int i; | |
650 | ||
651 | if (priv->mfunc.master.res_tracker.slave_list) { | |
4874080d JM |
652 | if (type != RES_TR_FREE_STRUCTS_ONLY) { |
653 | for (i = 0; i < dev->num_slaves; i++) { | |
b8924951 JM |
654 | if (type == RES_TR_FREE_ALL || |
655 | dev->caps.function != i) | |
656 | mlx4_delete_all_resources_for_slave(dev, i); | |
4874080d JM |
657 | } |
658 | /* free master's vlans */ | |
659 | i = dev->caps.function; | |
111c6094 | 660 | mlx4_reset_roce_gids(dev, i); |
4874080d JM |
661 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
662 | rem_slave_vlans(dev, i); | |
663 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
664 | } | |
b8924951 JM |
665 | |
666 | if (type != RES_TR_FREE_SLAVES_ONLY) { | |
5a0d0a61 JM |
667 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
668 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); | |
669 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; | |
670 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); | |
671 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; | |
672 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); | |
673 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; | |
674 | } | |
b8924951 JM |
675 | kfree(priv->mfunc.master.res_tracker.slave_list); |
676 | priv->mfunc.master.res_tracker.slave_list = NULL; | |
677 | } | |
c82e9aa0 EC |
678 | } |
679 | } | |
680 | ||
54679e14 JM |
681 | static void update_pkey_index(struct mlx4_dev *dev, int slave, |
682 | struct mlx4_cmd_mailbox *inbox) | |
c82e9aa0 | 683 | { |
54679e14 JM |
684 | u8 sched = *(u8 *)(inbox->buf + 64); |
685 | u8 orig_index = *(u8 *)(inbox->buf + 35); | |
686 | u8 new_index; | |
687 | struct mlx4_priv *priv = mlx4_priv(dev); | |
688 | int port; | |
689 | ||
690 | port = (sched >> 6 & 1) + 1; | |
691 | ||
692 | new_index = priv->virt2phys_pkey[slave][port - 1][orig_index]; | |
693 | *(u8 *)(inbox->buf + 35) = new_index; | |
54679e14 JM |
694 | } |
695 | ||
696 | static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, | |
697 | u8 slave) | |
698 | { | |
699 | struct mlx4_qp_context *qp_ctx = inbox->buf + 8; | |
700 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf); | |
701 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
b6ffaeff | 702 | int port; |
c82e9aa0 | 703 | |
b6ffaeff JM |
704 | if (MLX4_QP_ST_UD == ts) { |
705 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
706 | if (mlx4_is_eth(dev, port)) | |
449fc488 MB |
707 | qp_ctx->pri_path.mgid_index = |
708 | mlx4_get_base_gid_ix(dev, slave, port) | 0x80; | |
b6ffaeff JM |
709 | else |
710 | qp_ctx->pri_path.mgid_index = slave | 0x80; | |
711 | ||
712 | } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) { | |
713 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { | |
714 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
715 | if (mlx4_is_eth(dev, port)) { | |
449fc488 MB |
716 | qp_ctx->pri_path.mgid_index += |
717 | mlx4_get_base_gid_ix(dev, slave, port); | |
b6ffaeff JM |
718 | qp_ctx->pri_path.mgid_index &= 0x7f; |
719 | } else { | |
720 | qp_ctx->pri_path.mgid_index = slave & 0x7F; | |
721 | } | |
722 | } | |
723 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
724 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; | |
725 | if (mlx4_is_eth(dev, port)) { | |
449fc488 MB |
726 | qp_ctx->alt_path.mgid_index += |
727 | mlx4_get_base_gid_ix(dev, slave, port); | |
b6ffaeff JM |
728 | qp_ctx->alt_path.mgid_index &= 0x7f; |
729 | } else { | |
730 | qp_ctx->alt_path.mgid_index = slave & 0x7F; | |
731 | } | |
732 | } | |
54679e14 | 733 | } |
c82e9aa0 EC |
734 | } |
735 | ||
68230242 EBE |
736 | static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, |
737 | u8 slave, int port); | |
738 | ||
3f7fb021 RE |
739 | static int update_vport_qp_param(struct mlx4_dev *dev, |
740 | struct mlx4_cmd_mailbox *inbox, | |
b01978ca | 741 | u8 slave, u32 qpn) |
3f7fb021 RE |
742 | { |
743 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
744 | struct mlx4_vport_oper_state *vp_oper; | |
745 | struct mlx4_priv *priv; | |
09e05c3f | 746 | u32 qp_type; |
f5956faf | 747 | int port, err = 0; |
3f7fb021 RE |
748 | |
749 | port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; | |
750 | priv = mlx4_priv(dev); | |
751 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; | |
09e05c3f | 752 | qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
3f7fb021 | 753 | |
68230242 EBE |
754 | err = handle_counter(dev, qpc, slave, port); |
755 | if (err) | |
756 | goto out; | |
757 | ||
3f7fb021 | 758 | if (MLX4_VGT != vp_oper->state.default_vlan) { |
b01978ca JM |
759 | /* the reserved QPs (special, proxy, tunnel) |
760 | * do not operate over vlans | |
761 | */ | |
762 | if (mlx4_is_qp_reserved(dev, qpn)) | |
763 | return 0; | |
764 | ||
09e05c3f MB |
765 | /* force strip vlan by clear vsd, MLX QP refers to Raw Ethernet */ |
766 | if (qp_type == MLX4_QP_ST_UD || | |
767 | (qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) { | |
768 | if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) { | |
769 | *(__be32 *)inbox->buf = | |
770 | cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) | | |
771 | MLX4_QP_OPTPAR_VLAN_STRIPPING); | |
772 | qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); | |
773 | } else { | |
774 | struct mlx4_update_qp_params params = {.flags = 0}; | |
775 | ||
f5956faf OG |
776 | err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms); |
777 | if (err) | |
778 | goto out; | |
09e05c3f MB |
779 | } |
780 | } | |
0a6eac24 | 781 | |
9a892835 MG |
782 | /* preserve IF_COUNTER flag */ |
783 | qpc->pri_path.vlan_control &= | |
784 | MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER; | |
0a6eac24 RE |
785 | if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE && |
786 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) { | |
9a892835 | 787 | qpc->pri_path.vlan_control |= |
0a6eac24 RE |
788 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
789 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
790 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | | |
791 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
792 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | | |
793 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
794 | } else if (0 != vp_oper->state.default_vlan) { | |
7c3d21c8 MS |
795 | if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) { |
796 | /* vst QinQ should block untagged on TX, | |
797 | * but cvlan is in payload and phv is set so | |
798 | * hw see it as untagged. Block tagged instead. | |
799 | */ | |
800 | qpc->pri_path.vlan_control |= | |
801 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
802 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
803 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
804 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
805 | } else { /* vst 802.1Q */ | |
806 | qpc->pri_path.vlan_control |= | |
807 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
808 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
809 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
810 | } | |
7677fc96 | 811 | } else { /* priority tagged */ |
9a892835 | 812 | qpc->pri_path.vlan_control |= |
7677fc96 RE |
813 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
814 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
815 | } | |
816 | ||
817 | qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN; | |
3f7fb021 | 818 | qpc->pri_path.vlan_index = vp_oper->vlan_idx; |
7c3d21c8 MS |
819 | qpc->pri_path.fl |= MLX4_FL_ETH_HIDE_CQE_VLAN; |
820 | if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) | |
821 | qpc->pri_path.fl |= MLX4_FL_SV; | |
822 | else | |
823 | qpc->pri_path.fl |= MLX4_FL_CV; | |
7677fc96 | 824 | qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; |
3f7fb021 RE |
825 | qpc->pri_path.sched_queue &= 0xC7; |
826 | qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3; | |
08068cd5 | 827 | qpc->qos_vport = vp_oper->state.qos_vport; |
3f7fb021 | 828 | } |
e6b6a231 | 829 | if (vp_oper->state.spoofchk) { |
7677fc96 | 830 | qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC; |
e6b6a231 | 831 | qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx; |
e6b6a231 | 832 | } |
f5956faf OG |
833 | out: |
834 | return err; | |
3f7fb021 RE |
835 | } |
836 | ||
c82e9aa0 EC |
837 | static int mpt_mask(struct mlx4_dev *dev) |
838 | { | |
839 | return dev->caps.num_mpts - 1; | |
840 | } | |
841 | ||
ae5a2e29 MB |
842 | static const char *mlx4_resource_type_to_str(enum mlx4_resource t) |
843 | { | |
844 | switch (t) { | |
845 | case RES_QP: | |
846 | return "QP"; | |
847 | case RES_CQ: | |
848 | return "CQ"; | |
849 | case RES_SRQ: | |
850 | return "SRQ"; | |
851 | case RES_XRCD: | |
852 | return "XRCD"; | |
853 | case RES_MPT: | |
854 | return "MPT"; | |
855 | case RES_MTT: | |
856 | return "MTT"; | |
857 | case RES_MAC: | |
858 | return "MAC"; | |
859 | case RES_VLAN: | |
860 | return "VLAN"; | |
861 | case RES_COUNTER: | |
862 | return "COUNTER"; | |
863 | case RES_FS_RULE: | |
864 | return "FS_RULE"; | |
865 | case RES_EQ: | |
866 | return "EQ"; | |
867 | default: | |
868 | return "INVALID RESOURCE"; | |
869 | } | |
870 | } | |
871 | ||
1e3f7b32 | 872 | static void *find_res(struct mlx4_dev *dev, u64 res_id, |
c82e9aa0 EC |
873 | enum mlx4_resource type) |
874 | { | |
875 | struct mlx4_priv *priv = mlx4_priv(dev); | |
876 | ||
4af1c048 HHZ |
877 | return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], |
878 | res_id); | |
c82e9aa0 EC |
879 | } |
880 | ||
ae5a2e29 MB |
881 | static int _get_res(struct mlx4_dev *dev, int slave, u64 res_id, |
882 | enum mlx4_resource type, | |
883 | void *res, const char *func_name) | |
c82e9aa0 EC |
884 | { |
885 | struct res_common *r; | |
886 | int err = 0; | |
887 | ||
888 | spin_lock_irq(mlx4_tlock(dev)); | |
889 | r = find_res(dev, res_id, type); | |
890 | if (!r) { | |
891 | err = -ENONET; | |
892 | goto exit; | |
893 | } | |
894 | ||
895 | if (r->state == RES_ANY_BUSY) { | |
ae5a2e29 MB |
896 | mlx4_warn(dev, |
897 | "%s(%d) trying to get resource %llx of type %s, but it's already taken by %s\n", | |
898 | func_name, slave, res_id, mlx4_resource_type_to_str(type), | |
899 | r->func_name); | |
c82e9aa0 EC |
900 | err = -EBUSY; |
901 | goto exit; | |
902 | } | |
903 | ||
904 | if (r->owner != slave) { | |
905 | err = -EPERM; | |
906 | goto exit; | |
907 | } | |
908 | ||
909 | r->from_state = r->state; | |
910 | r->state = RES_ANY_BUSY; | |
ae5a2e29 | 911 | r->func_name = func_name; |
c82e9aa0 EC |
912 | |
913 | if (res) | |
914 | *((struct res_common **)res) = r; | |
915 | ||
916 | exit: | |
917 | spin_unlock_irq(mlx4_tlock(dev)); | |
918 | return err; | |
919 | } | |
920 | ||
ae5a2e29 MB |
921 | #define get_res(dev, slave, res_id, type, res) \ |
922 | _get_res((dev), (slave), (res_id), (type), (res), __func__) | |
923 | ||
c82e9aa0 EC |
924 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, |
925 | enum mlx4_resource type, | |
aa1ec3dd | 926 | u64 res_id, int *slave) |
c82e9aa0 EC |
927 | { |
928 | ||
929 | struct res_common *r; | |
930 | int err = -ENOENT; | |
931 | int id = res_id; | |
932 | ||
933 | if (type == RES_QP) | |
934 | id &= 0x7fffff; | |
996b0541 | 935 | spin_lock(mlx4_tlock(dev)); |
c82e9aa0 EC |
936 | |
937 | r = find_res(dev, id, type); | |
938 | if (r) { | |
939 | *slave = r->owner; | |
940 | err = 0; | |
941 | } | |
996b0541 | 942 | spin_unlock(mlx4_tlock(dev)); |
c82e9aa0 EC |
943 | |
944 | return err; | |
945 | } | |
946 | ||
aa1ec3dd | 947 | static void put_res(struct mlx4_dev *dev, int slave, u64 res_id, |
c82e9aa0 EC |
948 | enum mlx4_resource type) |
949 | { | |
950 | struct res_common *r; | |
951 | ||
952 | spin_lock_irq(mlx4_tlock(dev)); | |
953 | r = find_res(dev, res_id, type); | |
ae5a2e29 | 954 | if (r) { |
c82e9aa0 | 955 | r->state = r->from_state; |
ae5a2e29 MB |
956 | r->func_name = ""; |
957 | } | |
c82e9aa0 EC |
958 | spin_unlock_irq(mlx4_tlock(dev)); |
959 | } | |
960 | ||
68230242 EBE |
961 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
962 | u64 in_param, u64 *out_param, int port); | |
963 | ||
964 | static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port, | |
965 | int counter_index) | |
966 | { | |
967 | struct res_common *r; | |
968 | struct res_counter *counter; | |
969 | int ret = 0; | |
970 | ||
971 | if (counter_index == MLX4_SINK_COUNTER_INDEX(dev)) | |
972 | return ret; | |
973 | ||
974 | spin_lock_irq(mlx4_tlock(dev)); | |
975 | r = find_res(dev, counter_index, RES_COUNTER); | |
6b94bab0 | 976 | if (!r || r->owner != slave) { |
68230242 | 977 | ret = -EINVAL; |
6b94bab0 EBE |
978 | } else { |
979 | counter = container_of(r, struct res_counter, com); | |
980 | if (!counter->port) | |
981 | counter->port = port; | |
982 | } | |
68230242 EBE |
983 | |
984 | spin_unlock_irq(mlx4_tlock(dev)); | |
985 | return ret; | |
986 | } | |
987 | ||
988 | static int handle_unexisting_counter(struct mlx4_dev *dev, | |
989 | struct mlx4_qp_context *qpc, u8 slave, | |
990 | int port) | |
991 | { | |
992 | struct mlx4_priv *priv = mlx4_priv(dev); | |
993 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
994 | struct res_common *tmp; | |
995 | struct res_counter *counter; | |
996 | u64 counter_idx = MLX4_SINK_COUNTER_INDEX(dev); | |
997 | int err = 0; | |
998 | ||
999 | spin_lock_irq(mlx4_tlock(dev)); | |
1000 | list_for_each_entry(tmp, | |
1001 | &tracker->slave_list[slave].res_list[RES_COUNTER], | |
1002 | list) { | |
1003 | counter = container_of(tmp, struct res_counter, com); | |
1004 | if (port == counter->port) { | |
1005 | qpc->pri_path.counter_index = counter->com.res_id; | |
1006 | spin_unlock_irq(mlx4_tlock(dev)); | |
1007 | return 0; | |
1008 | } | |
1009 | } | |
1010 | spin_unlock_irq(mlx4_tlock(dev)); | |
1011 | ||
1012 | /* No existing counter, need to allocate a new counter */ | |
1013 | err = counter_alloc_res(dev, slave, RES_OP_RESERVE, 0, 0, &counter_idx, | |
1014 | port); | |
1015 | if (err == -ENOENT) { | |
1016 | err = 0; | |
1017 | } else if (err && err != -ENOSPC) { | |
1018 | mlx4_err(dev, "%s: failed to create new counter for slave %d err %d\n", | |
1019 | __func__, slave, err); | |
1020 | } else { | |
1021 | qpc->pri_path.counter_index = counter_idx; | |
1022 | mlx4_dbg(dev, "%s: alloc new counter for slave %d index %d\n", | |
1023 | __func__, slave, qpc->pri_path.counter_index); | |
1024 | err = 0; | |
1025 | } | |
1026 | ||
1027 | return err; | |
1028 | } | |
1029 | ||
1030 | static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, | |
1031 | u8 slave, int port) | |
1032 | { | |
1033 | if (qpc->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(dev)) | |
1034 | return handle_existing_counter(dev, slave, port, | |
1035 | qpc->pri_path.counter_index); | |
1036 | ||
1037 | return handle_unexisting_counter(dev, qpc, slave, port); | |
1038 | } | |
1039 | ||
c82e9aa0 EC |
1040 | static struct res_common *alloc_qp_tr(int id) |
1041 | { | |
1042 | struct res_qp *ret; | |
1043 | ||
31975e27 | 1044 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1045 | if (!ret) |
1046 | return NULL; | |
1047 | ||
1048 | ret->com.res_id = id; | |
1049 | ret->com.state = RES_QP_RESERVED; | |
2531188b | 1050 | ret->local_qpn = id; |
c82e9aa0 EC |
1051 | INIT_LIST_HEAD(&ret->mcg_list); |
1052 | spin_lock_init(&ret->mcg_spl); | |
2c473ae7 | 1053 | atomic_set(&ret->ref_count, 0); |
c82e9aa0 EC |
1054 | |
1055 | return &ret->com; | |
1056 | } | |
1057 | ||
1058 | static struct res_common *alloc_mtt_tr(int id, int order) | |
1059 | { | |
1060 | struct res_mtt *ret; | |
1061 | ||
31975e27 | 1062 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1063 | if (!ret) |
1064 | return NULL; | |
1065 | ||
1066 | ret->com.res_id = id; | |
1067 | ret->order = order; | |
1068 | ret->com.state = RES_MTT_ALLOCATED; | |
1069 | atomic_set(&ret->ref_count, 0); | |
1070 | ||
1071 | return &ret->com; | |
1072 | } | |
1073 | ||
1074 | static struct res_common *alloc_mpt_tr(int id, int key) | |
1075 | { | |
1076 | struct res_mpt *ret; | |
1077 | ||
31975e27 | 1078 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1079 | if (!ret) |
1080 | return NULL; | |
1081 | ||
1082 | ret->com.res_id = id; | |
1083 | ret->com.state = RES_MPT_RESERVED; | |
1084 | ret->key = key; | |
1085 | ||
1086 | return &ret->com; | |
1087 | } | |
1088 | ||
1089 | static struct res_common *alloc_eq_tr(int id) | |
1090 | { | |
1091 | struct res_eq *ret; | |
1092 | ||
31975e27 | 1093 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1094 | if (!ret) |
1095 | return NULL; | |
1096 | ||
1097 | ret->com.res_id = id; | |
1098 | ret->com.state = RES_EQ_RESERVED; | |
1099 | ||
1100 | return &ret->com; | |
1101 | } | |
1102 | ||
1103 | static struct res_common *alloc_cq_tr(int id) | |
1104 | { | |
1105 | struct res_cq *ret; | |
1106 | ||
31975e27 | 1107 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1108 | if (!ret) |
1109 | return NULL; | |
1110 | ||
1111 | ret->com.res_id = id; | |
1112 | ret->com.state = RES_CQ_ALLOCATED; | |
1113 | atomic_set(&ret->ref_count, 0); | |
1114 | ||
1115 | return &ret->com; | |
1116 | } | |
1117 | ||
1118 | static struct res_common *alloc_srq_tr(int id) | |
1119 | { | |
1120 | struct res_srq *ret; | |
1121 | ||
31975e27 | 1122 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1123 | if (!ret) |
1124 | return NULL; | |
1125 | ||
1126 | ret->com.res_id = id; | |
1127 | ret->com.state = RES_SRQ_ALLOCATED; | |
1128 | atomic_set(&ret->ref_count, 0); | |
1129 | ||
1130 | return &ret->com; | |
1131 | } | |
1132 | ||
9de92c60 | 1133 | static struct res_common *alloc_counter_tr(int id, int port) |
c82e9aa0 EC |
1134 | { |
1135 | struct res_counter *ret; | |
1136 | ||
31975e27 | 1137 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
c82e9aa0 EC |
1138 | if (!ret) |
1139 | return NULL; | |
1140 | ||
1141 | ret->com.res_id = id; | |
1142 | ret->com.state = RES_COUNTER_ALLOCATED; | |
9de92c60 | 1143 | ret->port = port; |
c82e9aa0 EC |
1144 | |
1145 | return &ret->com; | |
1146 | } | |
1147 | ||
ba062d52 JM |
1148 | static struct res_common *alloc_xrcdn_tr(int id) |
1149 | { | |
1150 | struct res_xrcdn *ret; | |
1151 | ||
31975e27 | 1152 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
ba062d52 JM |
1153 | if (!ret) |
1154 | return NULL; | |
1155 | ||
1156 | ret->com.res_id = id; | |
1157 | ret->com.state = RES_XRCD_ALLOCATED; | |
1158 | ||
1159 | return &ret->com; | |
1160 | } | |
1161 | ||
2c473ae7 | 1162 | static struct res_common *alloc_fs_rule_tr(u64 id, int qpn) |
1b9c6b06 HHZ |
1163 | { |
1164 | struct res_fs_rule *ret; | |
1165 | ||
31975e27 | 1166 | ret = kzalloc(sizeof(*ret), GFP_KERNEL); |
1b9c6b06 HHZ |
1167 | if (!ret) |
1168 | return NULL; | |
1169 | ||
1170 | ret->com.res_id = id; | |
1171 | ret->com.state = RES_FS_RULE_ALLOCATED; | |
2c473ae7 | 1172 | ret->qpn = qpn; |
1b9c6b06 HHZ |
1173 | return &ret->com; |
1174 | } | |
1175 | ||
aa1ec3dd | 1176 | static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, |
c82e9aa0 EC |
1177 | int extra) |
1178 | { | |
1179 | struct res_common *ret; | |
1180 | ||
1181 | switch (type) { | |
1182 | case RES_QP: | |
1183 | ret = alloc_qp_tr(id); | |
1184 | break; | |
1185 | case RES_MPT: | |
1186 | ret = alloc_mpt_tr(id, extra); | |
1187 | break; | |
1188 | case RES_MTT: | |
1189 | ret = alloc_mtt_tr(id, extra); | |
1190 | break; | |
1191 | case RES_EQ: | |
1192 | ret = alloc_eq_tr(id); | |
1193 | break; | |
1194 | case RES_CQ: | |
1195 | ret = alloc_cq_tr(id); | |
1196 | break; | |
1197 | case RES_SRQ: | |
1198 | ret = alloc_srq_tr(id); | |
1199 | break; | |
1200 | case RES_MAC: | |
c20862c8 | 1201 | pr_err("implementation missing\n"); |
c82e9aa0 EC |
1202 | return NULL; |
1203 | case RES_COUNTER: | |
9de92c60 | 1204 | ret = alloc_counter_tr(id, extra); |
c82e9aa0 | 1205 | break; |
ba062d52 JM |
1206 | case RES_XRCD: |
1207 | ret = alloc_xrcdn_tr(id); | |
1208 | break; | |
1b9c6b06 | 1209 | case RES_FS_RULE: |
2c473ae7 | 1210 | ret = alloc_fs_rule_tr(id, extra); |
1b9c6b06 | 1211 | break; |
c82e9aa0 EC |
1212 | default: |
1213 | return NULL; | |
1214 | } | |
1215 | if (ret) | |
1216 | ret->owner = slave; | |
1217 | ||
1218 | return ret; | |
1219 | } | |
1220 | ||
62a89055 EBE |
1221 | int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port, |
1222 | struct mlx4_counter *data) | |
1223 | { | |
1224 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1225 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1226 | struct res_common *tmp; | |
1227 | struct res_counter *counter; | |
1228 | int *counters_arr; | |
1229 | int i = 0, err = 0; | |
1230 | ||
1231 | memset(data, 0, sizeof(*data)); | |
1232 | ||
1233 | counters_arr = kmalloc_array(dev->caps.max_counters, | |
1234 | sizeof(*counters_arr), GFP_KERNEL); | |
1235 | if (!counters_arr) | |
1236 | return -ENOMEM; | |
1237 | ||
1238 | spin_lock_irq(mlx4_tlock(dev)); | |
1239 | list_for_each_entry(tmp, | |
1240 | &tracker->slave_list[slave].res_list[RES_COUNTER], | |
1241 | list) { | |
1242 | counter = container_of(tmp, struct res_counter, com); | |
1243 | if (counter->port == port) { | |
1244 | counters_arr[i] = (int)tmp->res_id; | |
1245 | i++; | |
1246 | } | |
1247 | } | |
1248 | spin_unlock_irq(mlx4_tlock(dev)); | |
1249 | counters_arr[i] = -1; | |
1250 | ||
1251 | i = 0; | |
1252 | ||
1253 | while (counters_arr[i] != -1) { | |
1254 | err = mlx4_get_counter_stats(dev, counters_arr[i], data, | |
1255 | 0); | |
1256 | if (err) { | |
1257 | memset(data, 0, sizeof(*data)); | |
1258 | goto table_changed; | |
1259 | } | |
1260 | i++; | |
1261 | } | |
1262 | ||
1263 | table_changed: | |
1264 | kfree(counters_arr); | |
1265 | return 0; | |
1266 | } | |
1267 | ||
aa1ec3dd | 1268 | static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
1269 | enum mlx4_resource type, int extra) |
1270 | { | |
1271 | int i; | |
1272 | int err; | |
1273 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1274 | struct res_common **res_arr; | |
1275 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4af1c048 | 1276 | struct rb_root *root = &tracker->res_tree[type]; |
c82e9aa0 | 1277 | |
31975e27 | 1278 | res_arr = kcalloc(count, sizeof(*res_arr), GFP_KERNEL); |
c82e9aa0 EC |
1279 | if (!res_arr) |
1280 | return -ENOMEM; | |
1281 | ||
1282 | for (i = 0; i < count; ++i) { | |
1283 | res_arr[i] = alloc_tr(base + i, type, slave, extra); | |
1284 | if (!res_arr[i]) { | |
1285 | for (--i; i >= 0; --i) | |
1286 | kfree(res_arr[i]); | |
1287 | ||
1288 | kfree(res_arr); | |
1289 | return -ENOMEM; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | spin_lock_irq(mlx4_tlock(dev)); | |
1294 | for (i = 0; i < count; ++i) { | |
1295 | if (find_res(dev, base + i, type)) { | |
1296 | err = -EEXIST; | |
1297 | goto undo; | |
1298 | } | |
4af1c048 | 1299 | err = res_tracker_insert(root, res_arr[i]); |
c82e9aa0 EC |
1300 | if (err) |
1301 | goto undo; | |
1302 | list_add_tail(&res_arr[i]->list, | |
1303 | &tracker->slave_list[slave].res_list[type]); | |
1304 | } | |
1305 | spin_unlock_irq(mlx4_tlock(dev)); | |
1306 | kfree(res_arr); | |
1307 | ||
1308 | return 0; | |
1309 | ||
1310 | undo: | |
95e19633 | 1311 | for (--i; i >= 0; --i) { |
4af1c048 | 1312 | rb_erase(&res_arr[i]->node, root); |
95e19633 SM |
1313 | list_del_init(&res_arr[i]->list); |
1314 | } | |
c82e9aa0 EC |
1315 | |
1316 | spin_unlock_irq(mlx4_tlock(dev)); | |
1317 | ||
1318 | for (i = 0; i < count; ++i) | |
1319 | kfree(res_arr[i]); | |
1320 | ||
1321 | kfree(res_arr); | |
1322 | ||
1323 | return err; | |
1324 | } | |
1325 | ||
1326 | static int remove_qp_ok(struct res_qp *res) | |
1327 | { | |
2c473ae7 HHZ |
1328 | if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || |
1329 | !list_empty(&res->mcg_list)) { | |
1330 | pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", | |
1331 | res->com.state, atomic_read(&res->ref_count)); | |
c82e9aa0 | 1332 | return -EBUSY; |
2c473ae7 | 1333 | } else if (res->com.state != RES_QP_RESERVED) { |
c82e9aa0 | 1334 | return -EPERM; |
2c473ae7 | 1335 | } |
c82e9aa0 EC |
1336 | |
1337 | return 0; | |
1338 | } | |
1339 | ||
1340 | static int remove_mtt_ok(struct res_mtt *res, int order) | |
1341 | { | |
1342 | if (res->com.state == RES_MTT_BUSY || | |
1343 | atomic_read(&res->ref_count)) { | |
c20862c8 AV |
1344 | pr_devel("%s-%d: state %s, ref_count %d\n", |
1345 | __func__, __LINE__, | |
1346 | mtt_states_str(res->com.state), | |
1347 | atomic_read(&res->ref_count)); | |
c82e9aa0 EC |
1348 | return -EBUSY; |
1349 | } else if (res->com.state != RES_MTT_ALLOCATED) | |
1350 | return -EPERM; | |
1351 | else if (res->order != order) | |
1352 | return -EINVAL; | |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static int remove_mpt_ok(struct res_mpt *res) | |
1358 | { | |
1359 | if (res->com.state == RES_MPT_BUSY) | |
1360 | return -EBUSY; | |
1361 | else if (res->com.state != RES_MPT_RESERVED) | |
1362 | return -EPERM; | |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static int remove_eq_ok(struct res_eq *res) | |
1368 | { | |
1369 | if (res->com.state == RES_MPT_BUSY) | |
1370 | return -EBUSY; | |
1371 | else if (res->com.state != RES_MPT_RESERVED) | |
1372 | return -EPERM; | |
1373 | ||
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | static int remove_counter_ok(struct res_counter *res) | |
1378 | { | |
1379 | if (res->com.state == RES_COUNTER_BUSY) | |
1380 | return -EBUSY; | |
1381 | else if (res->com.state != RES_COUNTER_ALLOCATED) | |
1382 | return -EPERM; | |
1383 | ||
1384 | return 0; | |
1385 | } | |
1386 | ||
ba062d52 JM |
1387 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
1388 | { | |
1389 | if (res->com.state == RES_XRCD_BUSY) | |
1390 | return -EBUSY; | |
1391 | else if (res->com.state != RES_XRCD_ALLOCATED) | |
1392 | return -EPERM; | |
1393 | ||
1394 | return 0; | |
1395 | } | |
1396 | ||
1b9c6b06 HHZ |
1397 | static int remove_fs_rule_ok(struct res_fs_rule *res) |
1398 | { | |
1399 | if (res->com.state == RES_FS_RULE_BUSY) | |
1400 | return -EBUSY; | |
1401 | else if (res->com.state != RES_FS_RULE_ALLOCATED) | |
1402 | return -EPERM; | |
1403 | ||
1404 | return 0; | |
1405 | } | |
1406 | ||
c82e9aa0 EC |
1407 | static int remove_cq_ok(struct res_cq *res) |
1408 | { | |
1409 | if (res->com.state == RES_CQ_BUSY) | |
1410 | return -EBUSY; | |
1411 | else if (res->com.state != RES_CQ_ALLOCATED) | |
1412 | return -EPERM; | |
1413 | ||
1414 | return 0; | |
1415 | } | |
1416 | ||
1417 | static int remove_srq_ok(struct res_srq *res) | |
1418 | { | |
1419 | if (res->com.state == RES_SRQ_BUSY) | |
1420 | return -EBUSY; | |
1421 | else if (res->com.state != RES_SRQ_ALLOCATED) | |
1422 | return -EPERM; | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
1427 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) | |
1428 | { | |
1429 | switch (type) { | |
1430 | case RES_QP: | |
1431 | return remove_qp_ok((struct res_qp *)res); | |
1432 | case RES_CQ: | |
1433 | return remove_cq_ok((struct res_cq *)res); | |
1434 | case RES_SRQ: | |
1435 | return remove_srq_ok((struct res_srq *)res); | |
1436 | case RES_MPT: | |
1437 | return remove_mpt_ok((struct res_mpt *)res); | |
1438 | case RES_MTT: | |
1439 | return remove_mtt_ok((struct res_mtt *)res, extra); | |
1440 | case RES_MAC: | |
72b8eaab | 1441 | return -EOPNOTSUPP; |
c82e9aa0 EC |
1442 | case RES_EQ: |
1443 | return remove_eq_ok((struct res_eq *)res); | |
1444 | case RES_COUNTER: | |
1445 | return remove_counter_ok((struct res_counter *)res); | |
ba062d52 JM |
1446 | case RES_XRCD: |
1447 | return remove_xrcdn_ok((struct res_xrcdn *)res); | |
1b9c6b06 HHZ |
1448 | case RES_FS_RULE: |
1449 | return remove_fs_rule_ok((struct res_fs_rule *)res); | |
c82e9aa0 EC |
1450 | default: |
1451 | return -EINVAL; | |
1452 | } | |
1453 | } | |
1454 | ||
aa1ec3dd | 1455 | static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
1456 | enum mlx4_resource type, int extra) |
1457 | { | |
aa1ec3dd | 1458 | u64 i; |
c82e9aa0 EC |
1459 | int err; |
1460 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1461 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1462 | struct res_common *r; | |
1463 | ||
1464 | spin_lock_irq(mlx4_tlock(dev)); | |
1465 | for (i = base; i < base + count; ++i) { | |
4af1c048 | 1466 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
c82e9aa0 EC |
1467 | if (!r) { |
1468 | err = -ENOENT; | |
1469 | goto out; | |
1470 | } | |
1471 | if (r->owner != slave) { | |
1472 | err = -EPERM; | |
1473 | goto out; | |
1474 | } | |
1475 | err = remove_ok(r, type, extra); | |
1476 | if (err) | |
1477 | goto out; | |
1478 | } | |
1479 | ||
1480 | for (i = base; i < base + count; ++i) { | |
4af1c048 HHZ |
1481 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
1482 | rb_erase(&r->node, &tracker->res_tree[type]); | |
c82e9aa0 EC |
1483 | list_del(&r->list); |
1484 | kfree(r); | |
1485 | } | |
1486 | err = 0; | |
1487 | ||
1488 | out: | |
1489 | spin_unlock_irq(mlx4_tlock(dev)); | |
1490 | ||
1491 | return err; | |
1492 | } | |
1493 | ||
1494 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, | |
1495 | enum res_qp_states state, struct res_qp **qp, | |
1496 | int alloc) | |
1497 | { | |
1498 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1499 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1500 | struct res_qp *r; | |
1501 | int err = 0; | |
1502 | ||
1503 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1504 | r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); |
c82e9aa0 EC |
1505 | if (!r) |
1506 | err = -ENOENT; | |
1507 | else if (r->com.owner != slave) | |
1508 | err = -EPERM; | |
1509 | else { | |
1510 | switch (state) { | |
1511 | case RES_QP_BUSY: | |
aa1ec3dd | 1512 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
1513 | __func__, r->com.res_id); |
1514 | err = -EBUSY; | |
1515 | break; | |
1516 | ||
1517 | case RES_QP_RESERVED: | |
1518 | if (r->com.state == RES_QP_MAPPED && !alloc) | |
1519 | break; | |
1520 | ||
aa1ec3dd | 1521 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); |
c82e9aa0 EC |
1522 | err = -EINVAL; |
1523 | break; | |
1524 | ||
1525 | case RES_QP_MAPPED: | |
1526 | if ((r->com.state == RES_QP_RESERVED && alloc) || | |
1527 | r->com.state == RES_QP_HW) | |
1528 | break; | |
1529 | else { | |
aa1ec3dd | 1530 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
1531 | r->com.res_id); |
1532 | err = -EINVAL; | |
1533 | } | |
1534 | ||
1535 | break; | |
1536 | ||
1537 | case RES_QP_HW: | |
1538 | if (r->com.state != RES_QP_MAPPED) | |
1539 | err = -EINVAL; | |
1540 | break; | |
1541 | default: | |
1542 | err = -EINVAL; | |
1543 | } | |
1544 | ||
1545 | if (!err) { | |
1546 | r->com.from_state = r->com.state; | |
1547 | r->com.to_state = state; | |
1548 | r->com.state = RES_QP_BUSY; | |
1549 | if (qp) | |
64699336 | 1550 | *qp = r; |
c82e9aa0 EC |
1551 | } |
1552 | } | |
1553 | ||
1554 | spin_unlock_irq(mlx4_tlock(dev)); | |
1555 | ||
1556 | return err; | |
1557 | } | |
1558 | ||
1559 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
1560 | enum res_mpt_states state, struct res_mpt **mpt) | |
1561 | { | |
1562 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1563 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1564 | struct res_mpt *r; | |
1565 | int err = 0; | |
1566 | ||
1567 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1568 | r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); |
c82e9aa0 EC |
1569 | if (!r) |
1570 | err = -ENOENT; | |
1571 | else if (r->com.owner != slave) | |
1572 | err = -EPERM; | |
1573 | else { | |
1574 | switch (state) { | |
1575 | case RES_MPT_BUSY: | |
1576 | err = -EINVAL; | |
1577 | break; | |
1578 | ||
1579 | case RES_MPT_RESERVED: | |
1580 | if (r->com.state != RES_MPT_MAPPED) | |
1581 | err = -EINVAL; | |
1582 | break; | |
1583 | ||
1584 | case RES_MPT_MAPPED: | |
1585 | if (r->com.state != RES_MPT_RESERVED && | |
1586 | r->com.state != RES_MPT_HW) | |
1587 | err = -EINVAL; | |
1588 | break; | |
1589 | ||
1590 | case RES_MPT_HW: | |
1591 | if (r->com.state != RES_MPT_MAPPED) | |
1592 | err = -EINVAL; | |
1593 | break; | |
1594 | default: | |
1595 | err = -EINVAL; | |
1596 | } | |
1597 | ||
1598 | if (!err) { | |
1599 | r->com.from_state = r->com.state; | |
1600 | r->com.to_state = state; | |
1601 | r->com.state = RES_MPT_BUSY; | |
1602 | if (mpt) | |
64699336 | 1603 | *mpt = r; |
c82e9aa0 EC |
1604 | } |
1605 | } | |
1606 | ||
1607 | spin_unlock_irq(mlx4_tlock(dev)); | |
1608 | ||
1609 | return err; | |
1610 | } | |
1611 | ||
1612 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
1613 | enum res_eq_states state, struct res_eq **eq) | |
1614 | { | |
1615 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1616 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1617 | struct res_eq *r; | |
1618 | int err = 0; | |
1619 | ||
1620 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1621 | r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); |
c82e9aa0 EC |
1622 | if (!r) |
1623 | err = -ENOENT; | |
1624 | else if (r->com.owner != slave) | |
1625 | err = -EPERM; | |
1626 | else { | |
1627 | switch (state) { | |
1628 | case RES_EQ_BUSY: | |
1629 | err = -EINVAL; | |
1630 | break; | |
1631 | ||
1632 | case RES_EQ_RESERVED: | |
1633 | if (r->com.state != RES_EQ_HW) | |
1634 | err = -EINVAL; | |
1635 | break; | |
1636 | ||
1637 | case RES_EQ_HW: | |
1638 | if (r->com.state != RES_EQ_RESERVED) | |
1639 | err = -EINVAL; | |
1640 | break; | |
1641 | ||
1642 | default: | |
1643 | err = -EINVAL; | |
1644 | } | |
1645 | ||
1646 | if (!err) { | |
1647 | r->com.from_state = r->com.state; | |
1648 | r->com.to_state = state; | |
1649 | r->com.state = RES_EQ_BUSY; | |
c82e9aa0 EC |
1650 | } |
1651 | } | |
1652 | ||
1653 | spin_unlock_irq(mlx4_tlock(dev)); | |
1654 | ||
a4256bc9 AB |
1655 | if (!err && eq) |
1656 | *eq = r; | |
1657 | ||
c82e9aa0 EC |
1658 | return err; |
1659 | } | |
1660 | ||
1661 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, | |
1662 | enum res_cq_states state, struct res_cq **cq) | |
1663 | { | |
1664 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1665 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1666 | struct res_cq *r; | |
1667 | int err; | |
1668 | ||
1669 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1670 | r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); |
c9218a9e | 1671 | if (!r) { |
c82e9aa0 | 1672 | err = -ENOENT; |
c9218a9e | 1673 | } else if (r->com.owner != slave) { |
c82e9aa0 | 1674 | err = -EPERM; |
c9218a9e PB |
1675 | } else if (state == RES_CQ_ALLOCATED) { |
1676 | if (r->com.state != RES_CQ_HW) | |
c82e9aa0 | 1677 | err = -EINVAL; |
c9218a9e PB |
1678 | else if (atomic_read(&r->ref_count)) |
1679 | err = -EBUSY; | |
1680 | else | |
1681 | err = 0; | |
1682 | } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) { | |
1683 | err = -EINVAL; | |
1684 | } else { | |
1685 | err = 0; | |
1686 | } | |
c82e9aa0 | 1687 | |
c9218a9e PB |
1688 | if (!err) { |
1689 | r->com.from_state = r->com.state; | |
1690 | r->com.to_state = state; | |
1691 | r->com.state = RES_CQ_BUSY; | |
1692 | if (cq) | |
1693 | *cq = r; | |
c82e9aa0 EC |
1694 | } |
1695 | ||
1696 | spin_unlock_irq(mlx4_tlock(dev)); | |
1697 | ||
1698 | return err; | |
1699 | } | |
1700 | ||
1701 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
f088cbb8 | 1702 | enum res_srq_states state, struct res_srq **srq) |
c82e9aa0 EC |
1703 | { |
1704 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1705 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1706 | struct res_srq *r; | |
1707 | int err = 0; | |
1708 | ||
1709 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1710 | r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); |
f088cbb8 | 1711 | if (!r) { |
c82e9aa0 | 1712 | err = -ENOENT; |
f088cbb8 | 1713 | } else if (r->com.owner != slave) { |
c82e9aa0 | 1714 | err = -EPERM; |
f088cbb8 PB |
1715 | } else if (state == RES_SRQ_ALLOCATED) { |
1716 | if (r->com.state != RES_SRQ_HW) | |
c82e9aa0 | 1717 | err = -EINVAL; |
f088cbb8 PB |
1718 | else if (atomic_read(&r->ref_count)) |
1719 | err = -EBUSY; | |
1720 | } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) { | |
1721 | err = -EINVAL; | |
1722 | } | |
c82e9aa0 | 1723 | |
f088cbb8 PB |
1724 | if (!err) { |
1725 | r->com.from_state = r->com.state; | |
1726 | r->com.to_state = state; | |
1727 | r->com.state = RES_SRQ_BUSY; | |
1728 | if (srq) | |
1729 | *srq = r; | |
c82e9aa0 EC |
1730 | } |
1731 | ||
1732 | spin_unlock_irq(mlx4_tlock(dev)); | |
1733 | ||
1734 | return err; | |
1735 | } | |
1736 | ||
1737 | static void res_abort_move(struct mlx4_dev *dev, int slave, | |
1738 | enum mlx4_resource type, int id) | |
1739 | { | |
1740 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1741 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1742 | struct res_common *r; | |
1743 | ||
1744 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1745 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1746 | if (r && (r->owner == slave)) |
1747 | r->state = r->from_state; | |
1748 | spin_unlock_irq(mlx4_tlock(dev)); | |
1749 | } | |
1750 | ||
1751 | static void res_end_move(struct mlx4_dev *dev, int slave, | |
1752 | enum mlx4_resource type, int id) | |
1753 | { | |
1754 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1755 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1756 | struct res_common *r; | |
1757 | ||
1758 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1759 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1760 | if (r && (r->owner == slave)) |
1761 | r->state = r->to_state; | |
1762 | spin_unlock_irq(mlx4_tlock(dev)); | |
1763 | } | |
1764 | ||
1765 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) | |
1766 | { | |
e2c76824 JM |
1767 | return mlx4_is_qp_reserved(dev, qpn) && |
1768 | (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn)); | |
c82e9aa0 EC |
1769 | } |
1770 | ||
54679e14 JM |
1771 | static int fw_reserved(struct mlx4_dev *dev, int qpn) |
1772 | { | |
1773 | return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
c82e9aa0 EC |
1774 | } |
1775 | ||
1776 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1777 | u64 in_param, u64 *out_param) | |
1778 | { | |
1779 | int err; | |
1780 | int count; | |
1781 | int align; | |
1782 | int base; | |
1783 | int qpn; | |
ddae0349 | 1784 | u8 flags; |
c82e9aa0 EC |
1785 | |
1786 | switch (op) { | |
1787 | case RES_OP_RESERVE: | |
2d5c57d7 | 1788 | count = get_param_l(&in_param) & 0xffffff; |
ddae0349 EE |
1789 | /* Turn off all unsupported QP allocation flags that the |
1790 | * slave tries to set. | |
1791 | */ | |
1792 | flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask; | |
c82e9aa0 | 1793 | align = get_param_h(&in_param); |
146f3ef4 | 1794 | err = mlx4_grant_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
1795 | if (err) |
1796 | return err; | |
1797 | ||
ddae0349 | 1798 | err = __mlx4_qp_reserve_range(dev, count, align, &base, flags); |
146f3ef4 JM |
1799 | if (err) { |
1800 | mlx4_release_resource(dev, slave, RES_QP, count, 0); | |
1801 | return err; | |
1802 | } | |
1803 | ||
c82e9aa0 EC |
1804 | err = add_res_range(dev, slave, base, count, RES_QP, 0); |
1805 | if (err) { | |
146f3ef4 | 1806 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
1807 | __mlx4_qp_release_range(dev, base, count); |
1808 | return err; | |
1809 | } | |
1810 | set_param_l(out_param, base); | |
1811 | break; | |
1812 | case RES_OP_MAP_ICM: | |
1813 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1814 | if (valid_reserved(dev, slave, qpn)) { | |
1815 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1816 | if (err) | |
1817 | return err; | |
1818 | } | |
1819 | ||
1820 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, | |
1821 | NULL, 1); | |
1822 | if (err) | |
1823 | return err; | |
1824 | ||
54679e14 | 1825 | if (!fw_reserved(dev, qpn)) { |
8900b894 | 1826 | err = __mlx4_qp_alloc_icm(dev, qpn); |
c82e9aa0 EC |
1827 | if (err) { |
1828 | res_abort_move(dev, slave, RES_QP, qpn); | |
1829 | return err; | |
1830 | } | |
1831 | } | |
1832 | ||
1833 | res_end_move(dev, slave, RES_QP, qpn); | |
1834 | break; | |
1835 | ||
1836 | default: | |
1837 | err = -EINVAL; | |
1838 | break; | |
1839 | } | |
1840 | return err; | |
1841 | } | |
1842 | ||
1843 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1844 | u64 in_param, u64 *out_param) | |
1845 | { | |
1846 | int err = -EINVAL; | |
1847 | int base; | |
1848 | int order; | |
1849 | ||
1850 | if (op != RES_OP_RESERVE_AND_MAP) | |
1851 | return err; | |
1852 | ||
1853 | order = get_param_l(&in_param); | |
146f3ef4 JM |
1854 | |
1855 | err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0); | |
1856 | if (err) | |
1857 | return err; | |
1858 | ||
c82e9aa0 | 1859 | base = __mlx4_alloc_mtt_range(dev, order); |
146f3ef4 JM |
1860 | if (base == -1) { |
1861 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 1862 | return -ENOMEM; |
146f3ef4 | 1863 | } |
c82e9aa0 EC |
1864 | |
1865 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); | |
146f3ef4 JM |
1866 | if (err) { |
1867 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 1868 | __mlx4_free_mtt_range(dev, base, order); |
146f3ef4 | 1869 | } else { |
c82e9aa0 | 1870 | set_param_l(out_param, base); |
146f3ef4 | 1871 | } |
c82e9aa0 EC |
1872 | |
1873 | return err; | |
1874 | } | |
1875 | ||
1876 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1877 | u64 in_param, u64 *out_param) | |
1878 | { | |
1879 | int err = -EINVAL; | |
1880 | int index; | |
1881 | int id; | |
1882 | struct res_mpt *mpt; | |
1883 | ||
1884 | switch (op) { | |
1885 | case RES_OP_RESERVE: | |
146f3ef4 JM |
1886 | err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0); |
1887 | if (err) | |
1888 | break; | |
1889 | ||
b20e519a | 1890 | index = __mlx4_mpt_reserve(dev); |
146f3ef4 JM |
1891 | if (index == -1) { |
1892 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); | |
c82e9aa0 | 1893 | break; |
146f3ef4 | 1894 | } |
c82e9aa0 EC |
1895 | id = index & mpt_mask(dev); |
1896 | ||
1897 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); | |
1898 | if (err) { | |
146f3ef4 | 1899 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
b20e519a | 1900 | __mlx4_mpt_release(dev, index); |
c82e9aa0 EC |
1901 | break; |
1902 | } | |
1903 | set_param_l(out_param, index); | |
1904 | break; | |
1905 | case RES_OP_MAP_ICM: | |
1906 | index = get_param_l(&in_param); | |
1907 | id = index & mpt_mask(dev); | |
1908 | err = mr_res_start_move_to(dev, slave, id, | |
1909 | RES_MPT_MAPPED, &mpt); | |
1910 | if (err) | |
1911 | return err; | |
1912 | ||
8900b894 | 1913 | err = __mlx4_mpt_alloc_icm(dev, mpt->key); |
c82e9aa0 EC |
1914 | if (err) { |
1915 | res_abort_move(dev, slave, RES_MPT, id); | |
1916 | return err; | |
1917 | } | |
1918 | ||
1919 | res_end_move(dev, slave, RES_MPT, id); | |
1920 | break; | |
1921 | } | |
1922 | return err; | |
1923 | } | |
1924 | ||
1925 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1926 | u64 in_param, u64 *out_param) | |
1927 | { | |
1928 | int cqn; | |
1929 | int err; | |
1930 | ||
1931 | switch (op) { | |
1932 | case RES_OP_RESERVE_AND_MAP: | |
146f3ef4 | 1933 | err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
1934 | if (err) |
1935 | break; | |
1936 | ||
146f3ef4 JM |
1937 | err = __mlx4_cq_alloc_icm(dev, &cqn); |
1938 | if (err) { | |
1939 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); | |
1940 | break; | |
1941 | } | |
1942 | ||
c82e9aa0 EC |
1943 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
1944 | if (err) { | |
146f3ef4 | 1945 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
1946 | __mlx4_cq_free_icm(dev, cqn); |
1947 | break; | |
1948 | } | |
1949 | ||
1950 | set_param_l(out_param, cqn); | |
1951 | break; | |
1952 | ||
1953 | default: | |
1954 | err = -EINVAL; | |
1955 | } | |
1956 | ||
1957 | return err; | |
1958 | } | |
1959 | ||
1960 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1961 | u64 in_param, u64 *out_param) | |
1962 | { | |
1963 | int srqn; | |
1964 | int err; | |
1965 | ||
1966 | switch (op) { | |
1967 | case RES_OP_RESERVE_AND_MAP: | |
146f3ef4 | 1968 | err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
1969 | if (err) |
1970 | break; | |
1971 | ||
146f3ef4 JM |
1972 | err = __mlx4_srq_alloc_icm(dev, &srqn); |
1973 | if (err) { | |
1974 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); | |
1975 | break; | |
1976 | } | |
1977 | ||
c82e9aa0 EC |
1978 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
1979 | if (err) { | |
146f3ef4 | 1980 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
1981 | __mlx4_srq_free_icm(dev, srqn); |
1982 | break; | |
1983 | } | |
1984 | ||
1985 | set_param_l(out_param, srqn); | |
1986 | break; | |
1987 | ||
1988 | default: | |
1989 | err = -EINVAL; | |
1990 | } | |
1991 | ||
1992 | return err; | |
1993 | } | |
1994 | ||
2f5bb473 JM |
1995 | static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port, |
1996 | u8 smac_index, u64 *mac) | |
1997 | { | |
1998 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1999 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2000 | struct list_head *mac_list = | |
2001 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
2002 | struct mac_res *res, *tmp; | |
2003 | ||
2004 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
2005 | if (res->smac_index == smac_index && res->port == (u8) port) { | |
2006 | *mac = res->mac; | |
2007 | return 0; | |
2008 | } | |
2009 | } | |
2010 | return -ENOENT; | |
2011 | } | |
2012 | ||
2013 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index) | |
c82e9aa0 EC |
2014 | { |
2015 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2016 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2f5bb473 JM |
2017 | struct list_head *mac_list = |
2018 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
2019 | struct mac_res *res, *tmp; | |
2020 | ||
2021 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
2022 | if (res->mac == mac && res->port == (u8) port) { | |
2023 | /* mac found. update ref count */ | |
2024 | ++res->ref_count; | |
2025 | return 0; | |
2026 | } | |
2027 | } | |
c82e9aa0 | 2028 | |
146f3ef4 JM |
2029 | if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port)) |
2030 | return -EINVAL; | |
31975e27 | 2031 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
146f3ef4 JM |
2032 | if (!res) { |
2033 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); | |
c82e9aa0 | 2034 | return -ENOMEM; |
146f3ef4 | 2035 | } |
c82e9aa0 EC |
2036 | res->mac = mac; |
2037 | res->port = (u8) port; | |
2f5bb473 JM |
2038 | res->smac_index = smac_index; |
2039 | res->ref_count = 1; | |
c82e9aa0 EC |
2040 | list_add_tail(&res->list, |
2041 | &tracker->slave_list[slave].res_list[RES_MAC]); | |
2042 | return 0; | |
2043 | } | |
2044 | ||
2045 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, | |
2046 | int port) | |
2047 | { | |
2048 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2049 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2050 | struct list_head *mac_list = | |
2051 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
2052 | struct mac_res *res, *tmp; | |
2053 | ||
2054 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
2055 | if (res->mac == mac && res->port == (u8) port) { | |
2f5bb473 JM |
2056 | if (!--res->ref_count) { |
2057 | list_del(&res->list); | |
2058 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); | |
2059 | kfree(res); | |
2060 | } | |
c82e9aa0 EC |
2061 | break; |
2062 | } | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) | |
2067 | { | |
2068 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2069 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2070 | struct list_head *mac_list = | |
2071 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
2072 | struct mac_res *res, *tmp; | |
2f5bb473 | 2073 | int i; |
c82e9aa0 EC |
2074 | |
2075 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
2076 | list_del(&res->list); | |
2f5bb473 JM |
2077 | /* dereference the mac the num times the slave referenced it */ |
2078 | for (i = 0; i < res->ref_count; i++) | |
2079 | __mlx4_unregister_mac(dev, res->port, res->mac); | |
146f3ef4 | 2080 | mlx4_release_resource(dev, slave, RES_MAC, 1, res->port); |
c82e9aa0 EC |
2081 | kfree(res); |
2082 | } | |
2083 | } | |
2084 | ||
2085 | static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
acddd5dd | 2086 | u64 in_param, u64 *out_param, int in_port) |
c82e9aa0 EC |
2087 | { |
2088 | int err = -EINVAL; | |
2089 | int port; | |
2090 | u64 mac; | |
2f5bb473 | 2091 | u8 smac_index; |
c82e9aa0 EC |
2092 | |
2093 | if (op != RES_OP_RESERVE_AND_MAP) | |
2094 | return err; | |
2095 | ||
acddd5dd | 2096 | port = !in_port ? get_param_l(out_param) : in_port; |
449fc488 MB |
2097 | port = mlx4_slave_convert_port( |
2098 | dev, slave, port); | |
2099 | ||
2100 | if (port < 0) | |
2101 | return -EINVAL; | |
c82e9aa0 EC |
2102 | mac = in_param; |
2103 | ||
2104 | err = __mlx4_register_mac(dev, port, mac); | |
2105 | if (err >= 0) { | |
2f5bb473 | 2106 | smac_index = err; |
c82e9aa0 EC |
2107 | set_param_l(out_param, err); |
2108 | err = 0; | |
2109 | } | |
2110 | ||
2111 | if (!err) { | |
2f5bb473 | 2112 | err = mac_add_to_slave(dev, slave, mac, port, smac_index); |
c82e9aa0 EC |
2113 | if (err) |
2114 | __mlx4_unregister_mac(dev, port, mac); | |
2115 | } | |
2116 | return err; | |
2117 | } | |
2118 | ||
4874080d JM |
2119 | static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
2120 | int port, int vlan_index) | |
ffe455ad | 2121 | { |
4874080d JM |
2122 | struct mlx4_priv *priv = mlx4_priv(dev); |
2123 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2124 | struct list_head *vlan_list = | |
2125 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
2126 | struct vlan_res *res, *tmp; | |
2127 | ||
2128 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
2129 | if (res->vlan == vlan && res->port == (u8) port) { | |
2130 | /* vlan found. update ref count */ | |
2131 | ++res->ref_count; | |
2132 | return 0; | |
2133 | } | |
2134 | } | |
2135 | ||
146f3ef4 JM |
2136 | if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port)) |
2137 | return -EINVAL; | |
4874080d | 2138 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
146f3ef4 JM |
2139 | if (!res) { |
2140 | mlx4_release_resource(dev, slave, RES_VLAN, 1, port); | |
4874080d | 2141 | return -ENOMEM; |
146f3ef4 | 2142 | } |
4874080d JM |
2143 | res->vlan = vlan; |
2144 | res->port = (u8) port; | |
2145 | res->vlan_index = vlan_index; | |
2146 | res->ref_count = 1; | |
2147 | list_add_tail(&res->list, | |
2148 | &tracker->slave_list[slave].res_list[RES_VLAN]); | |
ffe455ad EE |
2149 | return 0; |
2150 | } | |
2151 | ||
4874080d JM |
2152 | |
2153 | static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan, | |
2154 | int port) | |
2155 | { | |
2156 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2157 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2158 | struct list_head *vlan_list = | |
2159 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
2160 | struct vlan_res *res, *tmp; | |
2161 | ||
2162 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
2163 | if (res->vlan == vlan && res->port == (u8) port) { | |
2164 | if (!--res->ref_count) { | |
2165 | list_del(&res->list); | |
146f3ef4 JM |
2166 | mlx4_release_resource(dev, slave, RES_VLAN, |
2167 | 1, port); | |
4874080d JM |
2168 | kfree(res); |
2169 | } | |
2170 | break; | |
2171 | } | |
2172 | } | |
2173 | } | |
2174 | ||
2175 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave) | |
2176 | { | |
2177 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2178 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2179 | struct list_head *vlan_list = | |
2180 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
2181 | struct vlan_res *res, *tmp; | |
2182 | int i; | |
2183 | ||
2184 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
2185 | list_del(&res->list); | |
2186 | /* dereference the vlan the num times the slave referenced it */ | |
2187 | for (i = 0; i < res->ref_count; i++) | |
2188 | __mlx4_unregister_vlan(dev, res->port, res->vlan); | |
146f3ef4 | 2189 | mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port); |
4874080d JM |
2190 | kfree(res); |
2191 | } | |
2192 | } | |
2193 | ||
2194 | static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2c957ff2 | 2195 | u64 in_param, u64 *out_param, int in_port) |
4874080d | 2196 | { |
2c957ff2 JM |
2197 | struct mlx4_priv *priv = mlx4_priv(dev); |
2198 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; | |
4874080d JM |
2199 | int err; |
2200 | u16 vlan; | |
2201 | int vlan_index; | |
2c957ff2 JM |
2202 | int port; |
2203 | ||
2204 | port = !in_port ? get_param_l(out_param) : in_port; | |
4874080d JM |
2205 | |
2206 | if (!port || op != RES_OP_RESERVE_AND_MAP) | |
2207 | return -EINVAL; | |
2208 | ||
449fc488 MB |
2209 | port = mlx4_slave_convert_port( |
2210 | dev, slave, port); | |
2211 | ||
2212 | if (port < 0) | |
2213 | return -EINVAL; | |
2c957ff2 JM |
2214 | /* upstream kernels had NOP for reg/unreg vlan. Continue this. */ |
2215 | if (!in_port && port > 0 && port <= dev->caps.num_ports) { | |
2216 | slave_state[slave].old_vlan_api = true; | |
2217 | return 0; | |
2218 | } | |
2219 | ||
4874080d JM |
2220 | vlan = (u16) in_param; |
2221 | ||
2222 | err = __mlx4_register_vlan(dev, port, vlan, &vlan_index); | |
2223 | if (!err) { | |
2224 | set_param_l(out_param, (u32) vlan_index); | |
2225 | err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index); | |
2226 | if (err) | |
2227 | __mlx4_unregister_vlan(dev, port, vlan); | |
2228 | } | |
2229 | return err; | |
2230 | } | |
2231 | ||
ba062d52 | 2232 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
68230242 | 2233 | u64 in_param, u64 *out_param, int port) |
ba062d52 JM |
2234 | { |
2235 | u32 index; | |
2236 | int err; | |
2237 | ||
2238 | if (op != RES_OP_RESERVE) | |
2239 | return -EINVAL; | |
2240 | ||
146f3ef4 | 2241 | err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 JM |
2242 | if (err) |
2243 | return err; | |
2244 | ||
146f3ef4 JM |
2245 | err = __mlx4_counter_alloc(dev, &index); |
2246 | if (err) { | |
2247 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); | |
2248 | return err; | |
2249 | } | |
2250 | ||
68230242 | 2251 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, port); |
146f3ef4 | 2252 | if (err) { |
ba062d52 | 2253 | __mlx4_counter_free(dev, index); |
146f3ef4 JM |
2254 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
2255 | } else { | |
ba062d52 | 2256 | set_param_l(out_param, index); |
146f3ef4 | 2257 | } |
ba062d52 JM |
2258 | |
2259 | return err; | |
2260 | } | |
2261 | ||
2262 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2263 | u64 in_param, u64 *out_param) | |
2264 | { | |
2265 | u32 xrcdn; | |
2266 | int err; | |
2267 | ||
2268 | if (op != RES_OP_RESERVE) | |
2269 | return -EINVAL; | |
2270 | ||
2271 | err = __mlx4_xrcd_alloc(dev, &xrcdn); | |
2272 | if (err) | |
2273 | return err; | |
2274 | ||
2275 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
2276 | if (err) | |
2277 | __mlx4_xrcd_free(dev, xrcdn); | |
2278 | else | |
2279 | set_param_l(out_param, xrcdn); | |
2280 | ||
2281 | return err; | |
2282 | } | |
2283 | ||
c82e9aa0 EC |
2284 | int mlx4_ALLOC_RES_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 err; | |
2291 | int alop = vhcr->op_modifier; | |
2292 | ||
acddd5dd | 2293 | switch (vhcr->in_modifier & 0xFF) { |
c82e9aa0 EC |
2294 | case RES_QP: |
2295 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2296 | vhcr->in_param, &vhcr->out_param); | |
2297 | break; | |
2298 | ||
2299 | case RES_MTT: | |
2300 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2301 | vhcr->in_param, &vhcr->out_param); | |
2302 | break; | |
2303 | ||
2304 | case RES_MPT: | |
2305 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2306 | vhcr->in_param, &vhcr->out_param); | |
2307 | break; | |
2308 | ||
2309 | case RES_CQ: | |
2310 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2311 | vhcr->in_param, &vhcr->out_param); | |
2312 | break; | |
2313 | ||
2314 | case RES_SRQ: | |
2315 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2316 | vhcr->in_param, &vhcr->out_param); | |
2317 | break; | |
2318 | ||
2319 | case RES_MAC: | |
2320 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2321 | vhcr->in_param, &vhcr->out_param, |
2322 | (vhcr->in_modifier >> 8) & 0xFF); | |
c82e9aa0 EC |
2323 | break; |
2324 | ||
ffe455ad EE |
2325 | case RES_VLAN: |
2326 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2327 | vhcr->in_param, &vhcr->out_param, |
2328 | (vhcr->in_modifier >> 8) & 0xFF); | |
ffe455ad EE |
2329 | break; |
2330 | ||
ba062d52 JM |
2331 | case RES_COUNTER: |
2332 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
68230242 | 2333 | vhcr->in_param, &vhcr->out_param, 0); |
ba062d52 JM |
2334 | break; |
2335 | ||
2336 | case RES_XRCD: | |
2337 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2338 | vhcr->in_param, &vhcr->out_param); | |
2339 | break; | |
2340 | ||
c82e9aa0 EC |
2341 | default: |
2342 | err = -EINVAL; | |
2343 | break; | |
2344 | } | |
2345 | ||
2346 | return err; | |
2347 | } | |
2348 | ||
2349 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2350 | u64 in_param) | |
2351 | { | |
2352 | int err; | |
2353 | int count; | |
2354 | int base; | |
2355 | int qpn; | |
2356 | ||
2357 | switch (op) { | |
2358 | case RES_OP_RESERVE: | |
2359 | base = get_param_l(&in_param) & 0x7fffff; | |
2360 | count = get_param_h(&in_param); | |
2361 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); | |
2362 | if (err) | |
2363 | break; | |
146f3ef4 | 2364 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
2365 | __mlx4_qp_release_range(dev, base, count); |
2366 | break; | |
2367 | case RES_OP_MAP_ICM: | |
2368 | qpn = get_param_l(&in_param) & 0x7fffff; | |
2369 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, | |
2370 | NULL, 0); | |
2371 | if (err) | |
2372 | return err; | |
2373 | ||
54679e14 | 2374 | if (!fw_reserved(dev, qpn)) |
c82e9aa0 EC |
2375 | __mlx4_qp_free_icm(dev, qpn); |
2376 | ||
2377 | res_end_move(dev, slave, RES_QP, qpn); | |
2378 | ||
2379 | if (valid_reserved(dev, slave, qpn)) | |
2380 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
2381 | break; | |
2382 | default: | |
2383 | err = -EINVAL; | |
2384 | break; | |
2385 | } | |
2386 | return err; | |
2387 | } | |
2388 | ||
2389 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2390 | u64 in_param, u64 *out_param) | |
2391 | { | |
2392 | int err = -EINVAL; | |
2393 | int base; | |
2394 | int order; | |
2395 | ||
2396 | if (op != RES_OP_RESERVE_AND_MAP) | |
2397 | return err; | |
2398 | ||
2399 | base = get_param_l(&in_param); | |
2400 | order = get_param_h(&in_param); | |
2401 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); | |
146f3ef4 JM |
2402 | if (!err) { |
2403 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 2404 | __mlx4_free_mtt_range(dev, base, order); |
146f3ef4 | 2405 | } |
c82e9aa0 EC |
2406 | return err; |
2407 | } | |
2408 | ||
2409 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2410 | u64 in_param) | |
2411 | { | |
2412 | int err = -EINVAL; | |
2413 | int index; | |
2414 | int id; | |
2415 | struct res_mpt *mpt; | |
2416 | ||
2417 | switch (op) { | |
2418 | case RES_OP_RESERVE: | |
2419 | index = get_param_l(&in_param); | |
2420 | id = index & mpt_mask(dev); | |
2421 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
2422 | if (err) | |
2423 | break; | |
2424 | index = mpt->key; | |
2425 | put_res(dev, slave, id, RES_MPT); | |
2426 | ||
2427 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); | |
2428 | if (err) | |
2429 | break; | |
146f3ef4 | 2430 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
b20e519a | 2431 | __mlx4_mpt_release(dev, index); |
c82e9aa0 EC |
2432 | break; |
2433 | case RES_OP_MAP_ICM: | |
5d4de16c CJ |
2434 | index = get_param_l(&in_param); |
2435 | id = index & mpt_mask(dev); | |
2436 | err = mr_res_start_move_to(dev, slave, id, | |
2437 | RES_MPT_RESERVED, &mpt); | |
2438 | if (err) | |
c82e9aa0 | 2439 | return err; |
5d4de16c CJ |
2440 | |
2441 | __mlx4_mpt_free_icm(dev, mpt->key); | |
2442 | res_end_move(dev, slave, RES_MPT, id); | |
c82e9aa0 EC |
2443 | break; |
2444 | default: | |
2445 | err = -EINVAL; | |
2446 | break; | |
2447 | } | |
2448 | return err; | |
2449 | } | |
2450 | ||
2451 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2452 | u64 in_param, u64 *out_param) | |
2453 | { | |
2454 | int cqn; | |
2455 | int err; | |
2456 | ||
2457 | switch (op) { | |
2458 | case RES_OP_RESERVE_AND_MAP: | |
2459 | cqn = get_param_l(&in_param); | |
2460 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
2461 | if (err) | |
2462 | break; | |
2463 | ||
146f3ef4 | 2464 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
2465 | __mlx4_cq_free_icm(dev, cqn); |
2466 | break; | |
2467 | ||
2468 | default: | |
2469 | err = -EINVAL; | |
2470 | break; | |
2471 | } | |
2472 | ||
2473 | return err; | |
2474 | } | |
2475 | ||
2476 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2477 | u64 in_param, u64 *out_param) | |
2478 | { | |
2479 | int srqn; | |
2480 | int err; | |
2481 | ||
2482 | switch (op) { | |
2483 | case RES_OP_RESERVE_AND_MAP: | |
2484 | srqn = get_param_l(&in_param); | |
2485 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
2486 | if (err) | |
2487 | break; | |
2488 | ||
146f3ef4 | 2489 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
2490 | __mlx4_srq_free_icm(dev, srqn); |
2491 | break; | |
2492 | ||
2493 | default: | |
2494 | err = -EINVAL; | |
2495 | break; | |
2496 | } | |
2497 | ||
2498 | return err; | |
2499 | } | |
2500 | ||
2501 | static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
acddd5dd | 2502 | u64 in_param, u64 *out_param, int in_port) |
c82e9aa0 EC |
2503 | { |
2504 | int port; | |
2505 | int err = 0; | |
2506 | ||
2507 | switch (op) { | |
2508 | case RES_OP_RESERVE_AND_MAP: | |
acddd5dd | 2509 | port = !in_port ? get_param_l(out_param) : in_port; |
449fc488 MB |
2510 | port = mlx4_slave_convert_port( |
2511 | dev, slave, port); | |
2512 | ||
2513 | if (port < 0) | |
2514 | return -EINVAL; | |
c82e9aa0 EC |
2515 | mac_del_from_slave(dev, slave, in_param, port); |
2516 | __mlx4_unregister_mac(dev, port, in_param); | |
2517 | break; | |
2518 | default: | |
2519 | err = -EINVAL; | |
2520 | break; | |
2521 | } | |
2522 | ||
2523 | return err; | |
2524 | ||
2525 | } | |
2526 | ||
ffe455ad | 2527 | static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
acddd5dd | 2528 | u64 in_param, u64 *out_param, int port) |
ffe455ad | 2529 | { |
2c957ff2 JM |
2530 | struct mlx4_priv *priv = mlx4_priv(dev); |
2531 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; | |
4874080d JM |
2532 | int err = 0; |
2533 | ||
449fc488 MB |
2534 | port = mlx4_slave_convert_port( |
2535 | dev, slave, port); | |
2536 | ||
2537 | if (port < 0) | |
2538 | return -EINVAL; | |
4874080d JM |
2539 | switch (op) { |
2540 | case RES_OP_RESERVE_AND_MAP: | |
2c957ff2 JM |
2541 | if (slave_state[slave].old_vlan_api) |
2542 | return 0; | |
4874080d JM |
2543 | if (!port) |
2544 | return -EINVAL; | |
2545 | vlan_del_from_slave(dev, slave, in_param, port); | |
2546 | __mlx4_unregister_vlan(dev, port, in_param); | |
2547 | break; | |
2548 | default: | |
2549 | err = -EINVAL; | |
2550 | break; | |
2551 | } | |
2552 | ||
2553 | return err; | |
ffe455ad EE |
2554 | } |
2555 | ||
ba062d52 JM |
2556 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
2557 | u64 in_param, u64 *out_param) | |
2558 | { | |
2559 | int index; | |
2560 | int err; | |
2561 | ||
2562 | if (op != RES_OP_RESERVE) | |
2563 | return -EINVAL; | |
2564 | ||
2565 | index = get_param_l(&in_param); | |
9de92c60 EBE |
2566 | if (index == MLX4_SINK_COUNTER_INDEX(dev)) |
2567 | return 0; | |
2568 | ||
ba062d52 JM |
2569 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); |
2570 | if (err) | |
2571 | return err; | |
2572 | ||
2573 | __mlx4_counter_free(dev, index); | |
146f3ef4 | 2574 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 JM |
2575 | |
2576 | return err; | |
2577 | } | |
2578 | ||
2579 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2580 | u64 in_param, u64 *out_param) | |
2581 | { | |
2582 | int xrcdn; | |
2583 | int err; | |
2584 | ||
2585 | if (op != RES_OP_RESERVE) | |
2586 | return -EINVAL; | |
2587 | ||
2588 | xrcdn = get_param_l(&in_param); | |
2589 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
2590 | if (err) | |
2591 | return err; | |
2592 | ||
2593 | __mlx4_xrcd_free(dev, xrcdn); | |
2594 | ||
2595 | return err; | |
2596 | } | |
2597 | ||
c82e9aa0 EC |
2598 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
2599 | struct mlx4_vhcr *vhcr, | |
2600 | struct mlx4_cmd_mailbox *inbox, | |
2601 | struct mlx4_cmd_mailbox *outbox, | |
2602 | struct mlx4_cmd_info *cmd) | |
2603 | { | |
2604 | int err = -EINVAL; | |
2605 | int alop = vhcr->op_modifier; | |
2606 | ||
acddd5dd | 2607 | switch (vhcr->in_modifier & 0xFF) { |
c82e9aa0 EC |
2608 | case RES_QP: |
2609 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, | |
2610 | vhcr->in_param); | |
2611 | break; | |
2612 | ||
2613 | case RES_MTT: | |
2614 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, | |
2615 | vhcr->in_param, &vhcr->out_param); | |
2616 | break; | |
2617 | ||
2618 | case RES_MPT: | |
2619 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, | |
2620 | vhcr->in_param); | |
2621 | break; | |
2622 | ||
2623 | case RES_CQ: | |
2624 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, | |
2625 | vhcr->in_param, &vhcr->out_param); | |
2626 | break; | |
2627 | ||
2628 | case RES_SRQ: | |
2629 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, | |
2630 | vhcr->in_param, &vhcr->out_param); | |
2631 | break; | |
2632 | ||
2633 | case RES_MAC: | |
2634 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2635 | vhcr->in_param, &vhcr->out_param, |
2636 | (vhcr->in_modifier >> 8) & 0xFF); | |
c82e9aa0 EC |
2637 | break; |
2638 | ||
ffe455ad EE |
2639 | case RES_VLAN: |
2640 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2641 | vhcr->in_param, &vhcr->out_param, |
2642 | (vhcr->in_modifier >> 8) & 0xFF); | |
ffe455ad EE |
2643 | break; |
2644 | ||
ba062d52 JM |
2645 | case RES_COUNTER: |
2646 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, | |
2647 | vhcr->in_param, &vhcr->out_param); | |
2648 | break; | |
2649 | ||
2650 | case RES_XRCD: | |
2651 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, | |
2652 | vhcr->in_param, &vhcr->out_param); | |
2653 | ||
c82e9aa0 EC |
2654 | default: |
2655 | break; | |
2656 | } | |
2657 | return err; | |
2658 | } | |
2659 | ||
2660 | /* ugly but other choices are uglier */ | |
2661 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) | |
2662 | { | |
2663 | return (be32_to_cpu(mpt->flags) >> 9) & 1; | |
2664 | } | |
2665 | ||
2b8fb286 | 2666 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
c82e9aa0 | 2667 | { |
2b8fb286 | 2668 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
c82e9aa0 EC |
2669 | } |
2670 | ||
2671 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) | |
2672 | { | |
2673 | return be32_to_cpu(mpt->mtt_sz); | |
2674 | } | |
2675 | ||
cc1ade94 SM |
2676 | static u32 mr_get_pd(struct mlx4_mpt_entry *mpt) |
2677 | { | |
2678 | return be32_to_cpu(mpt->pd_flags) & 0x00ffffff; | |
2679 | } | |
2680 | ||
2681 | static int mr_is_fmr(struct mlx4_mpt_entry *mpt) | |
2682 | { | |
2683 | return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG; | |
2684 | } | |
2685 | ||
2686 | static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt) | |
2687 | { | |
2688 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE; | |
2689 | } | |
2690 | ||
2691 | static int mr_is_region(struct mlx4_mpt_entry *mpt) | |
2692 | { | |
2693 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION; | |
2694 | } | |
2695 | ||
2b8fb286 | 2696 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
c82e9aa0 EC |
2697 | { |
2698 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; | |
2699 | } | |
2700 | ||
2b8fb286 | 2701 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
c82e9aa0 EC |
2702 | { |
2703 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; | |
2704 | } | |
2705 | ||
2706 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) | |
2707 | { | |
2708 | int page_shift = (qpc->log_page_size & 0x3f) + 12; | |
2709 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; | |
2710 | int log_sq_sride = qpc->sq_size_stride & 7; | |
2711 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; | |
2712 | int log_rq_stride = qpc->rq_size_stride & 7; | |
2713 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; | |
2714 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; | |
5c5f3f0a YH |
2715 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
2716 | int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; | |
c82e9aa0 EC |
2717 | int sq_size; |
2718 | int rq_size; | |
2719 | int total_pages; | |
2720 | int total_mem; | |
2721 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; | |
2722 | ||
2723 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); | |
2724 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); | |
2725 | total_mem = sq_size + rq_size; | |
2726 | total_pages = | |
2727 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> | |
2728 | page_shift); | |
2729 | ||
2730 | return total_pages; | |
2731 | } | |
2732 | ||
c82e9aa0 EC |
2733 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
2734 | int size, struct res_mtt *mtt) | |
2735 | { | |
2b8fb286 MA |
2736 | int res_start = mtt->com.res_id; |
2737 | int res_size = (1 << mtt->order); | |
c82e9aa0 EC |
2738 | |
2739 | if (start < res_start || start + size > res_start + res_size) | |
2740 | return -EPERM; | |
2741 | return 0; | |
2742 | } | |
2743 | ||
2744 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2745 | struct mlx4_vhcr *vhcr, | |
2746 | struct mlx4_cmd_mailbox *inbox, | |
2747 | struct mlx4_cmd_mailbox *outbox, | |
2748 | struct mlx4_cmd_info *cmd) | |
2749 | { | |
2750 | int err; | |
2751 | int index = vhcr->in_modifier; | |
2752 | struct res_mtt *mtt; | |
8dc7d11f | 2753 | struct res_mpt *mpt = NULL; |
2b8fb286 | 2754 | int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2755 | int phys; |
2756 | int id; | |
cc1ade94 SM |
2757 | u32 pd; |
2758 | int pd_slave; | |
c82e9aa0 EC |
2759 | |
2760 | id = index & mpt_mask(dev); | |
2761 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); | |
2762 | if (err) | |
2763 | return err; | |
2764 | ||
cc1ade94 SM |
2765 | /* Disable memory windows for VFs. */ |
2766 | if (!mr_is_region(inbox->buf)) { | |
2767 | err = -EPERM; | |
2768 | goto ex_abort; | |
2769 | } | |
2770 | ||
2771 | /* Make sure that the PD bits related to the slave id are zeros. */ | |
2772 | pd = mr_get_pd(inbox->buf); | |
2773 | pd_slave = (pd >> 17) & 0x7f; | |
b332068c | 2774 | if (pd_slave != 0 && --pd_slave != slave) { |
cc1ade94 SM |
2775 | err = -EPERM; |
2776 | goto ex_abort; | |
2777 | } | |
2778 | ||
2779 | if (mr_is_fmr(inbox->buf)) { | |
2780 | /* FMR and Bind Enable are forbidden in slave devices. */ | |
2781 | if (mr_is_bind_enabled(inbox->buf)) { | |
2782 | err = -EPERM; | |
2783 | goto ex_abort; | |
2784 | } | |
2785 | /* FMR and Memory Windows are also forbidden. */ | |
2786 | if (!mr_is_region(inbox->buf)) { | |
2787 | err = -EPERM; | |
2788 | goto ex_abort; | |
2789 | } | |
2790 | } | |
2791 | ||
c82e9aa0 EC |
2792 | phys = mr_phys_mpt(inbox->buf); |
2793 | if (!phys) { | |
2b8fb286 | 2794 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2795 | if (err) |
2796 | goto ex_abort; | |
2797 | ||
2798 | err = check_mtt_range(dev, slave, mtt_base, | |
2799 | mr_get_mtt_size(inbox->buf), mtt); | |
2800 | if (err) | |
2801 | goto ex_put; | |
2802 | ||
2803 | mpt->mtt = mtt; | |
2804 | } | |
2805 | ||
c82e9aa0 EC |
2806 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
2807 | if (err) | |
2808 | goto ex_put; | |
2809 | ||
2810 | if (!phys) { | |
2811 | atomic_inc(&mtt->ref_count); | |
2812 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2813 | } | |
2814 | ||
2815 | res_end_move(dev, slave, RES_MPT, id); | |
2816 | return 0; | |
2817 | ||
2818 | ex_put: | |
2819 | if (!phys) | |
2820 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2821 | ex_abort: | |
2822 | res_abort_move(dev, slave, RES_MPT, id); | |
2823 | ||
2824 | return err; | |
2825 | } | |
2826 | ||
2827 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2828 | struct mlx4_vhcr *vhcr, | |
2829 | struct mlx4_cmd_mailbox *inbox, | |
2830 | struct mlx4_cmd_mailbox *outbox, | |
2831 | struct mlx4_cmd_info *cmd) | |
2832 | { | |
2833 | int err; | |
2834 | int index = vhcr->in_modifier; | |
2835 | struct res_mpt *mpt; | |
2836 | int id; | |
2837 | ||
2838 | id = index & mpt_mask(dev); | |
2839 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); | |
2840 | if (err) | |
2841 | return err; | |
2842 | ||
2843 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2844 | if (err) | |
2845 | goto ex_abort; | |
2846 | ||
2847 | if (mpt->mtt) | |
2848 | atomic_dec(&mpt->mtt->ref_count); | |
2849 | ||
2850 | res_end_move(dev, slave, RES_MPT, id); | |
2851 | return 0; | |
2852 | ||
2853 | ex_abort: | |
2854 | res_abort_move(dev, slave, RES_MPT, id); | |
2855 | ||
2856 | return err; | |
2857 | } | |
2858 | ||
2859 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2860 | struct mlx4_vhcr *vhcr, | |
2861 | struct mlx4_cmd_mailbox *inbox, | |
2862 | struct mlx4_cmd_mailbox *outbox, | |
2863 | struct mlx4_cmd_info *cmd) | |
2864 | { | |
2865 | int err; | |
2866 | int index = vhcr->in_modifier; | |
2867 | struct res_mpt *mpt; | |
2868 | int id; | |
2869 | ||
2870 | id = index & mpt_mask(dev); | |
2871 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
2872 | if (err) | |
2873 | return err; | |
2874 | ||
e630664c MB |
2875 | if (mpt->com.from_state == RES_MPT_MAPPED) { |
2876 | /* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do | |
2877 | * that, the VF must read the MPT. But since the MPT entry memory is not | |
2878 | * in the VF's virtual memory space, it must use QUERY_MPT to obtain the | |
2879 | * entry contents. To guarantee that the MPT cannot be changed, the driver | |
2880 | * must perform HW2SW_MPT before this query and return the MPT entry to HW | |
2881 | * ownership fofollowing the change. The change here allows the VF to | |
2882 | * perform QUERY_MPT also when the entry is in SW ownership. | |
2883 | */ | |
2884 | struct mlx4_mpt_entry *mpt_entry = mlx4_table_find( | |
2885 | &mlx4_priv(dev)->mr_table.dmpt_table, | |
2886 | mpt->key, NULL); | |
2887 | ||
2888 | if (NULL == mpt_entry || NULL == outbox->buf) { | |
2889 | err = -EINVAL; | |
2890 | goto out; | |
2891 | } | |
2892 | ||
2893 | memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry)); | |
2894 | ||
2895 | err = 0; | |
2896 | } else if (mpt->com.from_state == RES_MPT_HW) { | |
2897 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2898 | } else { | |
c82e9aa0 EC |
2899 | err = -EBUSY; |
2900 | goto out; | |
2901 | } | |
2902 | ||
c82e9aa0 EC |
2903 | |
2904 | out: | |
2905 | put_res(dev, slave, id, RES_MPT); | |
2906 | return err; | |
2907 | } | |
2908 | ||
2909 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) | |
2910 | { | |
2911 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; | |
2912 | } | |
2913 | ||
2914 | static int qp_get_scqn(struct mlx4_qp_context *qpc) | |
2915 | { | |
2916 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; | |
2917 | } | |
2918 | ||
2919 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) | |
2920 | { | |
2921 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; | |
2922 | } | |
2923 | ||
54679e14 JM |
2924 | static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, |
2925 | struct mlx4_qp_context *context) | |
2926 | { | |
2927 | u32 qpn = vhcr->in_modifier & 0xffffff; | |
2928 | u32 qkey = 0; | |
2929 | ||
2930 | if (mlx4_get_parav_qkey(dev, qpn, &qkey)) | |
2931 | return; | |
2932 | ||
2933 | /* adjust qkey in qp context */ | |
2934 | context->qkey = cpu_to_be32(qkey); | |
2935 | } | |
2936 | ||
e5dfbf9a OG |
2937 | static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, |
2938 | struct mlx4_qp_context *qpc, | |
2939 | struct mlx4_cmd_mailbox *inbox); | |
2940 | ||
c82e9aa0 EC |
2941 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
2942 | struct mlx4_vhcr *vhcr, | |
2943 | struct mlx4_cmd_mailbox *inbox, | |
2944 | struct mlx4_cmd_mailbox *outbox, | |
2945 | struct mlx4_cmd_info *cmd) | |
2946 | { | |
2947 | int err; | |
2948 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2949 | struct res_mtt *mtt; | |
2950 | struct res_qp *qp; | |
2951 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2b8fb286 | 2952 | int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2953 | int mtt_size = qp_get_mtt_size(qpc); |
2954 | struct res_cq *rcq; | |
2955 | struct res_cq *scq; | |
2956 | int rcqn = qp_get_rcqn(qpc); | |
2957 | int scqn = qp_get_scqn(qpc); | |
2958 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; | |
2959 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; | |
2960 | struct res_srq *srq; | |
2961 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; | |
2962 | ||
e5dfbf9a OG |
2963 | err = adjust_qp_sched_queue(dev, slave, qpc, inbox); |
2964 | if (err) | |
2965 | return err; | |
2966 | ||
c82e9aa0 EC |
2967 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); |
2968 | if (err) | |
2969 | return err; | |
2970 | qp->local_qpn = local_qpn; | |
b01978ca | 2971 | qp->sched_queue = 0; |
f0f829bf RE |
2972 | qp->param3 = 0; |
2973 | qp->vlan_control = 0; | |
2974 | qp->fvl_rx = 0; | |
2975 | qp->pri_path_fl = 0; | |
2976 | qp->vlan_index = 0; | |
2977 | qp->feup = 0; | |
b01978ca | 2978 | qp->qpc_flags = be32_to_cpu(qpc->flags); |
c82e9aa0 | 2979 | |
2b8fb286 | 2980 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2981 | if (err) |
2982 | goto ex_abort; | |
2983 | ||
2984 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
2985 | if (err) | |
2986 | goto ex_put_mtt; | |
2987 | ||
c82e9aa0 EC |
2988 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
2989 | if (err) | |
2990 | goto ex_put_mtt; | |
2991 | ||
2992 | if (scqn != rcqn) { | |
2993 | err = get_res(dev, slave, scqn, RES_CQ, &scq); | |
2994 | if (err) | |
2995 | goto ex_put_rcq; | |
2996 | } else | |
2997 | scq = rcq; | |
2998 | ||
2999 | if (use_srq) { | |
3000 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
3001 | if (err) | |
3002 | goto ex_put_scq; | |
3003 | } | |
3004 | ||
54679e14 JM |
3005 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
3006 | update_pkey_index(dev, slave, inbox); | |
c82e9aa0 EC |
3007 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3008 | if (err) | |
3009 | goto ex_put_srq; | |
3010 | atomic_inc(&mtt->ref_count); | |
3011 | qp->mtt = mtt; | |
3012 | atomic_inc(&rcq->ref_count); | |
3013 | qp->rcq = rcq; | |
3014 | atomic_inc(&scq->ref_count); | |
3015 | qp->scq = scq; | |
3016 | ||
3017 | if (scqn != rcqn) | |
3018 | put_res(dev, slave, scqn, RES_CQ); | |
3019 | ||
3020 | if (use_srq) { | |
3021 | atomic_inc(&srq->ref_count); | |
3022 | put_res(dev, slave, srqn, RES_SRQ); | |
3023 | qp->srq = srq; | |
3024 | } | |
7c3945bc JM |
3025 | |
3026 | /* Save param3 for dynamic changes from VST back to VGT */ | |
3027 | qp->param3 = qpc->param3; | |
c82e9aa0 | 3028 | put_res(dev, slave, rcqn, RES_CQ); |
2b8fb286 | 3029 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
3030 | res_end_move(dev, slave, RES_QP, qpn); |
3031 | ||
3032 | return 0; | |
3033 | ||
3034 | ex_put_srq: | |
3035 | if (use_srq) | |
3036 | put_res(dev, slave, srqn, RES_SRQ); | |
3037 | ex_put_scq: | |
3038 | if (scqn != rcqn) | |
3039 | put_res(dev, slave, scqn, RES_CQ); | |
3040 | ex_put_rcq: | |
3041 | put_res(dev, slave, rcqn, RES_CQ); | |
3042 | ex_put_mtt: | |
2b8fb286 | 3043 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
3044 | ex_abort: |
3045 | res_abort_move(dev, slave, RES_QP, qpn); | |
3046 | ||
3047 | return err; | |
3048 | } | |
3049 | ||
2b8fb286 | 3050 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
c82e9aa0 EC |
3051 | { |
3052 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; | |
3053 | } | |
3054 | ||
3055 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) | |
3056 | { | |
3057 | int log_eq_size = eqc->log_eq_size & 0x1f; | |
3058 | int page_shift = (eqc->log_page_size & 0x3f) + 12; | |
3059 | ||
3060 | if (log_eq_size + 5 < page_shift) | |
3061 | return 1; | |
3062 | ||
3063 | return 1 << (log_eq_size + 5 - page_shift); | |
3064 | } | |
3065 | ||
2b8fb286 | 3066 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
c82e9aa0 EC |
3067 | { |
3068 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; | |
3069 | } | |
3070 | ||
3071 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) | |
3072 | { | |
3073 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; | |
3074 | int page_shift = (cqc->log_page_size & 0x3f) + 12; | |
3075 | ||
3076 | if (log_cq_size + 5 < page_shift) | |
3077 | return 1; | |
3078 | ||
3079 | return 1 << (log_cq_size + 5 - page_shift); | |
3080 | } | |
3081 | ||
3082 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
3083 | struct mlx4_vhcr *vhcr, | |
3084 | struct mlx4_cmd_mailbox *inbox, | |
3085 | struct mlx4_cmd_mailbox *outbox, | |
3086 | struct mlx4_cmd_info *cmd) | |
3087 | { | |
3088 | int err; | |
3089 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 3090 | int res_id = (slave << 10) | eqn; |
c82e9aa0 | 3091 | struct mlx4_eq_context *eqc = inbox->buf; |
2b8fb286 | 3092 | int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
3093 | int mtt_size = eq_get_mtt_size(eqc); |
3094 | struct res_eq *eq; | |
3095 | struct res_mtt *mtt; | |
3096 | ||
3097 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
3098 | if (err) | |
3099 | return err; | |
3100 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); | |
3101 | if (err) | |
3102 | goto out_add; | |
3103 | ||
2b8fb286 | 3104 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3105 | if (err) |
3106 | goto out_move; | |
3107 | ||
3108 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
3109 | if (err) | |
3110 | goto out_put; | |
3111 | ||
3112 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3113 | if (err) | |
3114 | goto out_put; | |
3115 | ||
3116 | atomic_inc(&mtt->ref_count); | |
3117 | eq->mtt = mtt; | |
3118 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3119 | res_end_move(dev, slave, RES_EQ, res_id); | |
3120 | return 0; | |
3121 | ||
3122 | out_put: | |
3123 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3124 | out_move: | |
3125 | res_abort_move(dev, slave, RES_EQ, res_id); | |
3126 | out_add: | |
3127 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
3128 | return err; | |
3129 | } | |
3130 | ||
d475c95b MB |
3131 | int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave, |
3132 | struct mlx4_vhcr *vhcr, | |
3133 | struct mlx4_cmd_mailbox *inbox, | |
3134 | struct mlx4_cmd_mailbox *outbox, | |
3135 | struct mlx4_cmd_info *cmd) | |
3136 | { | |
3137 | int err; | |
3138 | u8 get = vhcr->op_modifier; | |
3139 | ||
3140 | if (get != 1) | |
3141 | return -EPERM; | |
3142 | ||
3143 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3144 | ||
3145 | return err; | |
3146 | } | |
3147 | ||
c82e9aa0 EC |
3148 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, |
3149 | int len, struct res_mtt **res) | |
3150 | { | |
3151 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3152 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
3153 | struct res_mtt *mtt; | |
3154 | int err = -EINVAL; | |
3155 | ||
3156 | spin_lock_irq(mlx4_tlock(dev)); | |
3157 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], | |
3158 | com.list) { | |
3159 | if (!check_mtt_range(dev, slave, start, len, mtt)) { | |
3160 | *res = mtt; | |
3161 | mtt->com.from_state = mtt->com.state; | |
3162 | mtt->com.state = RES_MTT_BUSY; | |
3163 | err = 0; | |
3164 | break; | |
3165 | } | |
3166 | } | |
3167 | spin_unlock_irq(mlx4_tlock(dev)); | |
3168 | ||
3169 | return err; | |
3170 | } | |
3171 | ||
54679e14 | 3172 | static int verify_qp_parameters(struct mlx4_dev *dev, |
99ec41d0 | 3173 | struct mlx4_vhcr *vhcr, |
54679e14 JM |
3174 | struct mlx4_cmd_mailbox *inbox, |
3175 | enum qp_transition transition, u8 slave) | |
3176 | { | |
3177 | u32 qp_type; | |
99ec41d0 | 3178 | u32 qpn; |
54679e14 JM |
3179 | struct mlx4_qp_context *qp_ctx; |
3180 | enum mlx4_qp_optpar optpar; | |
b6ffaeff JM |
3181 | int port; |
3182 | int num_gids; | |
54679e14 JM |
3183 | |
3184 | qp_ctx = inbox->buf + 8; | |
3185 | qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
3186 | optpar = be32_to_cpu(*(__be32 *) inbox->buf); | |
3187 | ||
fc31e256 | 3188 | if (slave != mlx4_master_func_num(dev)) { |
bb428a5c | 3189 | qp_ctx->params2 &= ~cpu_to_be32(MLX4_QP_BIT_FPP); |
fc31e256 OG |
3190 | /* setting QP rate-limit is disallowed for VFs */ |
3191 | if (qp_ctx->rate_limit_params) | |
3192 | return -EPERM; | |
3193 | } | |
53f33ae2 | 3194 | |
54679e14 JM |
3195 | switch (qp_type) { |
3196 | case MLX4_QP_ST_RC: | |
b6ffaeff | 3197 | case MLX4_QP_ST_XRC: |
54679e14 JM |
3198 | case MLX4_QP_ST_UC: |
3199 | switch (transition) { | |
3200 | case QP_TRANS_INIT2RTR: | |
3201 | case QP_TRANS_RTR2RTS: | |
3202 | case QP_TRANS_RTS2RTS: | |
3203 | case QP_TRANS_SQD2SQD: | |
3204 | case QP_TRANS_SQD2RTS: | |
baefd701 | 3205 | if (slave != mlx4_master_func_num(dev)) { |
b6ffaeff JM |
3206 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
3207 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
3208 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) | |
449fc488 | 3209 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
3210 | else |
3211 | num_gids = 1; | |
3212 | if (qp_ctx->pri_path.mgid_index >= num_gids) | |
54679e14 | 3213 | return -EINVAL; |
b6ffaeff JM |
3214 | } |
3215 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
3216 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; | |
3217 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) | |
449fc488 | 3218 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
3219 | else |
3220 | num_gids = 1; | |
3221 | if (qp_ctx->alt_path.mgid_index >= num_gids) | |
54679e14 | 3222 | return -EINVAL; |
b6ffaeff | 3223 | } |
baefd701 | 3224 | } |
54679e14 JM |
3225 | break; |
3226 | default: | |
3227 | break; | |
3228 | } | |
165cb465 | 3229 | break; |
54679e14 | 3230 | |
165cb465 RD |
3231 | case MLX4_QP_ST_MLX: |
3232 | qpn = vhcr->in_modifier & 0x7fffff; | |
3233 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
3234 | if (transition == QP_TRANS_INIT2RTR && | |
3235 | slave != mlx4_master_func_num(dev) && | |
3236 | mlx4_is_qp_reserved(dev, qpn) && | |
3237 | !mlx4_vf_smi_enabled(dev, slave, port)) { | |
3238 | /* only enabled VFs may create MLX proxy QPs */ | |
3239 | mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n", | |
3240 | __func__, slave, port); | |
3241 | return -EPERM; | |
3242 | } | |
54679e14 | 3243 | break; |
165cb465 | 3244 | |
54679e14 JM |
3245 | default: |
3246 | break; | |
3247 | } | |
3248 | ||
3249 | return 0; | |
3250 | } | |
3251 | ||
c82e9aa0 EC |
3252 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, |
3253 | struct mlx4_vhcr *vhcr, | |
3254 | struct mlx4_cmd_mailbox *inbox, | |
3255 | struct mlx4_cmd_mailbox *outbox, | |
3256 | struct mlx4_cmd_info *cmd) | |
3257 | { | |
3258 | struct mlx4_mtt mtt; | |
3259 | __be64 *page_list = inbox->buf; | |
3260 | u64 *pg_list = (u64 *)page_list; | |
3261 | int i; | |
3262 | struct res_mtt *rmtt = NULL; | |
3263 | int start = be64_to_cpu(page_list[0]); | |
3264 | int npages = vhcr->in_modifier; | |
3265 | int err; | |
3266 | ||
3267 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); | |
3268 | if (err) | |
3269 | return err; | |
3270 | ||
3271 | /* Call the SW implementation of write_mtt: | |
3272 | * - Prepare a dummy mtt struct | |
dbedd44e | 3273 | * - Translate inbox contents to simple addresses in host endianness */ |
2b8fb286 MA |
3274 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
3275 | we don't really use it */ | |
c82e9aa0 EC |
3276 | mtt.order = 0; |
3277 | mtt.page_shift = 0; | |
3278 | for (i = 0; i < npages; ++i) | |
3279 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); | |
3280 | ||
3281 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, | |
3282 | ((u64 *)page_list + 2)); | |
3283 | ||
3284 | if (rmtt) | |
3285 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); | |
3286 | ||
3287 | return err; | |
3288 | } | |
3289 | ||
3290 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
3291 | struct mlx4_vhcr *vhcr, | |
3292 | struct mlx4_cmd_mailbox *inbox, | |
3293 | struct mlx4_cmd_mailbox *outbox, | |
3294 | struct mlx4_cmd_info *cmd) | |
3295 | { | |
3296 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 3297 | int res_id = eqn | (slave << 10); |
c82e9aa0 EC |
3298 | struct res_eq *eq; |
3299 | int err; | |
3300 | ||
3301 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); | |
3302 | if (err) | |
3303 | return err; | |
3304 | ||
3305 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); | |
3306 | if (err) | |
3307 | goto ex_abort; | |
3308 | ||
3309 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3310 | if (err) | |
3311 | goto ex_put; | |
3312 | ||
3313 | atomic_dec(&eq->mtt->ref_count); | |
3314 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
3315 | res_end_move(dev, slave, RES_EQ, res_id); | |
3316 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
3317 | ||
3318 | return 0; | |
3319 | ||
3320 | ex_put: | |
3321 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
3322 | ex_abort: | |
3323 | res_abort_move(dev, slave, RES_EQ, res_id); | |
3324 | ||
3325 | return err; | |
3326 | } | |
3327 | ||
3328 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) | |
3329 | { | |
3330 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3331 | struct mlx4_slave_event_eq_info *event_eq; | |
3332 | struct mlx4_cmd_mailbox *mailbox; | |
3333 | u32 in_modifier = 0; | |
3334 | int err; | |
3335 | int res_id; | |
3336 | struct res_eq *req; | |
3337 | ||
3338 | if (!priv->mfunc.master.slave_state) | |
3339 | return -EINVAL; | |
3340 | ||
bffb023a JM |
3341 | /* check for slave valid, slave not PF, and slave active */ |
3342 | if (slave < 0 || slave > dev->persist->num_vfs || | |
3343 | slave == dev->caps.function || | |
3344 | !priv->mfunc.master.slave_state[slave].active) | |
3345 | return 0; | |
3346 | ||
803143fb | 3347 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
c82e9aa0 EC |
3348 | |
3349 | /* Create the event only if the slave is registered */ | |
803143fb | 3350 | if (event_eq->eqn < 0) |
c82e9aa0 EC |
3351 | return 0; |
3352 | ||
3353 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2d3c7397 | 3354 | res_id = (slave << 10) | event_eq->eqn; |
c82e9aa0 EC |
3355 | err = get_res(dev, slave, res_id, RES_EQ, &req); |
3356 | if (err) | |
3357 | goto unlock; | |
3358 | ||
3359 | if (req->com.from_state != RES_EQ_HW) { | |
3360 | err = -EINVAL; | |
3361 | goto put; | |
3362 | } | |
3363 | ||
3364 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
3365 | if (IS_ERR(mailbox)) { | |
3366 | err = PTR_ERR(mailbox); | |
3367 | goto put; | |
3368 | } | |
3369 | ||
3370 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { | |
3371 | ++event_eq->token; | |
3372 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); | |
3373 | } | |
3374 | ||
3375 | memcpy(mailbox->buf, (u8 *) eqe, 28); | |
3376 | ||
2d3c7397 | 3377 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16); |
c82e9aa0 EC |
3378 | |
3379 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, | |
3380 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, | |
3381 | MLX4_CMD_NATIVE); | |
3382 | ||
3383 | put_res(dev, slave, res_id, RES_EQ); | |
3384 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
3385 | mlx4_free_cmd_mailbox(dev, mailbox); | |
3386 | return err; | |
3387 | ||
3388 | put: | |
3389 | put_res(dev, slave, res_id, RES_EQ); | |
3390 | ||
3391 | unlock: | |
3392 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
3393 | return err; | |
3394 | } | |
3395 | ||
3396 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
3397 | struct mlx4_vhcr *vhcr, | |
3398 | struct mlx4_cmd_mailbox *inbox, | |
3399 | struct mlx4_cmd_mailbox *outbox, | |
3400 | struct mlx4_cmd_info *cmd) | |
3401 | { | |
3402 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 3403 | int res_id = eqn | (slave << 10); |
c82e9aa0 EC |
3404 | struct res_eq *eq; |
3405 | int err; | |
3406 | ||
3407 | err = get_res(dev, slave, res_id, RES_EQ, &eq); | |
3408 | if (err) | |
3409 | return err; | |
3410 | ||
3411 | if (eq->com.from_state != RES_EQ_HW) { | |
3412 | err = -EINVAL; | |
3413 | goto ex_put; | |
3414 | } | |
3415 | ||
3416 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3417 | ||
3418 | ex_put: | |
3419 | put_res(dev, slave, res_id, RES_EQ); | |
3420 | return err; | |
3421 | } | |
3422 | ||
3423 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3424 | struct mlx4_vhcr *vhcr, | |
3425 | struct mlx4_cmd_mailbox *inbox, | |
3426 | struct mlx4_cmd_mailbox *outbox, | |
3427 | struct mlx4_cmd_info *cmd) | |
3428 | { | |
3429 | int err; | |
3430 | int cqn = vhcr->in_modifier; | |
3431 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 3432 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c1c52db1 | 3433 | struct res_cq *cq = NULL; |
c82e9aa0 EC |
3434 | struct res_mtt *mtt; |
3435 | ||
3436 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); | |
3437 | if (err) | |
3438 | return err; | |
2b8fb286 | 3439 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3440 | if (err) |
3441 | goto out_move; | |
3442 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
3443 | if (err) | |
3444 | goto out_put; | |
3445 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3446 | if (err) | |
3447 | goto out_put; | |
3448 | atomic_inc(&mtt->ref_count); | |
3449 | cq->mtt = mtt; | |
3450 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3451 | res_end_move(dev, slave, RES_CQ, cqn); | |
3452 | return 0; | |
3453 | ||
3454 | out_put: | |
3455 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3456 | out_move: | |
3457 | res_abort_move(dev, slave, RES_CQ, cqn); | |
3458 | return err; | |
3459 | } | |
3460 | ||
3461 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3462 | struct mlx4_vhcr *vhcr, | |
3463 | struct mlx4_cmd_mailbox *inbox, | |
3464 | struct mlx4_cmd_mailbox *outbox, | |
3465 | struct mlx4_cmd_info *cmd) | |
3466 | { | |
3467 | int err; | |
3468 | int cqn = vhcr->in_modifier; | |
c1c52db1 | 3469 | struct res_cq *cq = NULL; |
c82e9aa0 EC |
3470 | |
3471 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); | |
3472 | if (err) | |
3473 | return err; | |
3474 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3475 | if (err) | |
3476 | goto out_move; | |
3477 | atomic_dec(&cq->mtt->ref_count); | |
3478 | res_end_move(dev, slave, RES_CQ, cqn); | |
3479 | return 0; | |
3480 | ||
3481 | out_move: | |
3482 | res_abort_move(dev, slave, RES_CQ, cqn); | |
3483 | return err; | |
3484 | } | |
3485 | ||
3486 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3487 | struct mlx4_vhcr *vhcr, | |
3488 | struct mlx4_cmd_mailbox *inbox, | |
3489 | struct mlx4_cmd_mailbox *outbox, | |
3490 | struct mlx4_cmd_info *cmd) | |
3491 | { | |
3492 | int cqn = vhcr->in_modifier; | |
3493 | struct res_cq *cq; | |
3494 | int err; | |
3495 | ||
3496 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
3497 | if (err) | |
3498 | return err; | |
3499 | ||
3500 | if (cq->com.from_state != RES_CQ_HW) | |
3501 | goto ex_put; | |
3502 | ||
3503 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3504 | ex_put: | |
3505 | put_res(dev, slave, cqn, RES_CQ); | |
3506 | ||
3507 | return err; | |
3508 | } | |
3509 | ||
3510 | static int handle_resize(struct mlx4_dev *dev, int slave, | |
3511 | struct mlx4_vhcr *vhcr, | |
3512 | struct mlx4_cmd_mailbox *inbox, | |
3513 | struct mlx4_cmd_mailbox *outbox, | |
3514 | struct mlx4_cmd_info *cmd, | |
3515 | struct res_cq *cq) | |
3516 | { | |
3517 | int err; | |
3518 | struct res_mtt *orig_mtt; | |
3519 | struct res_mtt *mtt; | |
3520 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 3521 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
3522 | |
3523 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); | |
3524 | if (err) | |
3525 | return err; | |
3526 | ||
3527 | if (orig_mtt != cq->mtt) { | |
3528 | err = -EINVAL; | |
3529 | goto ex_put; | |
3530 | } | |
3531 | ||
2b8fb286 | 3532 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3533 | if (err) |
3534 | goto ex_put; | |
3535 | ||
3536 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
3537 | if (err) | |
3538 | goto ex_put1; | |
3539 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3540 | if (err) | |
3541 | goto ex_put1; | |
3542 | atomic_dec(&orig_mtt->ref_count); | |
3543 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
3544 | atomic_inc(&mtt->ref_count); | |
3545 | cq->mtt = mtt; | |
3546 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3547 | return 0; | |
3548 | ||
3549 | ex_put1: | |
3550 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3551 | ex_put: | |
3552 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
3553 | ||
3554 | return err; | |
3555 | ||
3556 | } | |
3557 | ||
3558 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3559 | struct mlx4_vhcr *vhcr, | |
3560 | struct mlx4_cmd_mailbox *inbox, | |
3561 | struct mlx4_cmd_mailbox *outbox, | |
3562 | struct mlx4_cmd_info *cmd) | |
3563 | { | |
3564 | int cqn = vhcr->in_modifier; | |
3565 | struct res_cq *cq; | |
3566 | int err; | |
3567 | ||
3568 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
3569 | if (err) | |
3570 | return err; | |
3571 | ||
3572 | if (cq->com.from_state != RES_CQ_HW) | |
3573 | goto ex_put; | |
3574 | ||
3575 | if (vhcr->op_modifier == 0) { | |
3576 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); | |
dcf353b1 | 3577 | goto ex_put; |
c82e9aa0 EC |
3578 | } |
3579 | ||
3580 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3581 | ex_put: | |
3582 | put_res(dev, slave, cqn, RES_CQ); | |
3583 | ||
3584 | return err; | |
3585 | } | |
3586 | ||
c82e9aa0 EC |
3587 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
3588 | { | |
3589 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; | |
3590 | int log_rq_stride = srqc->logstride & 7; | |
3591 | int page_shift = (srqc->log_page_size & 0x3f) + 12; | |
3592 | ||
3593 | if (log_srq_size + log_rq_stride + 4 < page_shift) | |
3594 | return 1; | |
3595 | ||
3596 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); | |
3597 | } | |
3598 | ||
3599 | int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3600 | struct mlx4_vhcr *vhcr, | |
3601 | struct mlx4_cmd_mailbox *inbox, | |
3602 | struct mlx4_cmd_mailbox *outbox, | |
3603 | struct mlx4_cmd_info *cmd) | |
3604 | { | |
3605 | int err; | |
3606 | int srqn = vhcr->in_modifier; | |
3607 | struct res_mtt *mtt; | |
c1c52db1 | 3608 | struct res_srq *srq = NULL; |
c82e9aa0 | 3609 | struct mlx4_srq_context *srqc = inbox->buf; |
2b8fb286 | 3610 | int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
3611 | |
3612 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) | |
3613 | return -EINVAL; | |
3614 | ||
3615 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); | |
3616 | if (err) | |
3617 | return err; | |
2b8fb286 | 3618 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3619 | if (err) |
3620 | goto ex_abort; | |
3621 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), | |
3622 | mtt); | |
3623 | if (err) | |
3624 | goto ex_put_mtt; | |
3625 | ||
c82e9aa0 EC |
3626 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3627 | if (err) | |
3628 | goto ex_put_mtt; | |
3629 | ||
3630 | atomic_inc(&mtt->ref_count); | |
3631 | srq->mtt = mtt; | |
3632 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3633 | res_end_move(dev, slave, RES_SRQ, srqn); | |
3634 | return 0; | |
3635 | ||
3636 | ex_put_mtt: | |
3637 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3638 | ex_abort: | |
3639 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
3640 | ||
3641 | return err; | |
3642 | } | |
3643 | ||
3644 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3645 | struct mlx4_vhcr *vhcr, | |
3646 | struct mlx4_cmd_mailbox *inbox, | |
3647 | struct mlx4_cmd_mailbox *outbox, | |
3648 | struct mlx4_cmd_info *cmd) | |
3649 | { | |
3650 | int err; | |
3651 | int srqn = vhcr->in_modifier; | |
c1c52db1 | 3652 | struct res_srq *srq = NULL; |
c82e9aa0 EC |
3653 | |
3654 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); | |
3655 | if (err) | |
3656 | return err; | |
3657 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3658 | if (err) | |
3659 | goto ex_abort; | |
3660 | atomic_dec(&srq->mtt->ref_count); | |
3661 | if (srq->cq) | |
3662 | atomic_dec(&srq->cq->ref_count); | |
3663 | res_end_move(dev, slave, RES_SRQ, srqn); | |
3664 | ||
3665 | return 0; | |
3666 | ||
3667 | ex_abort: | |
3668 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
3669 | ||
3670 | return err; | |
3671 | } | |
3672 | ||
3673 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3674 | struct mlx4_vhcr *vhcr, | |
3675 | struct mlx4_cmd_mailbox *inbox, | |
3676 | struct mlx4_cmd_mailbox *outbox, | |
3677 | struct mlx4_cmd_info *cmd) | |
3678 | { | |
3679 | int err; | |
3680 | int srqn = vhcr->in_modifier; | |
3681 | struct res_srq *srq; | |
3682 | ||
3683 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
3684 | if (err) | |
3685 | return err; | |
3686 | if (srq->com.from_state != RES_SRQ_HW) { | |
3687 | err = -EBUSY; | |
3688 | goto out; | |
3689 | } | |
3690 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3691 | out: | |
3692 | put_res(dev, slave, srqn, RES_SRQ); | |
3693 | return err; | |
3694 | } | |
3695 | ||
3696 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3697 | struct mlx4_vhcr *vhcr, | |
3698 | struct mlx4_cmd_mailbox *inbox, | |
3699 | struct mlx4_cmd_mailbox *outbox, | |
3700 | struct mlx4_cmd_info *cmd) | |
3701 | { | |
3702 | int err; | |
3703 | int srqn = vhcr->in_modifier; | |
3704 | struct res_srq *srq; | |
3705 | ||
3706 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
3707 | if (err) | |
3708 | return err; | |
3709 | ||
3710 | if (srq->com.from_state != RES_SRQ_HW) { | |
3711 | err = -EBUSY; | |
3712 | goto out; | |
3713 | } | |
3714 | ||
3715 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3716 | out: | |
3717 | put_res(dev, slave, srqn, RES_SRQ); | |
3718 | return err; | |
3719 | } | |
3720 | ||
3721 | int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3722 | struct mlx4_vhcr *vhcr, | |
3723 | struct mlx4_cmd_mailbox *inbox, | |
3724 | struct mlx4_cmd_mailbox *outbox, | |
3725 | struct mlx4_cmd_info *cmd) | |
3726 | { | |
3727 | int err; | |
3728 | int qpn = vhcr->in_modifier & 0x7fffff; | |
3729 | struct res_qp *qp; | |
3730 | ||
3731 | err = get_res(dev, slave, qpn, RES_QP, &qp); | |
3732 | if (err) | |
3733 | return err; | |
3734 | if (qp->com.from_state != RES_QP_HW) { | |
3735 | err = -EBUSY; | |
3736 | goto out; | |
3737 | } | |
3738 | ||
3739 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3740 | out: | |
3741 | put_res(dev, slave, qpn, RES_QP); | |
3742 | return err; | |
3743 | } | |
3744 | ||
54679e14 JM |
3745 | int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
3746 | struct mlx4_vhcr *vhcr, | |
3747 | struct mlx4_cmd_mailbox *inbox, | |
3748 | struct mlx4_cmd_mailbox *outbox, | |
3749 | struct mlx4_cmd_info *cmd) | |
3750 | { | |
3751 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3752 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3753 | update_pkey_index(dev, slave, inbox); | |
3754 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3755 | } | |
3756 | ||
449fc488 MB |
3757 | static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, |
3758 | struct mlx4_qp_context *qpc, | |
3759 | struct mlx4_cmd_mailbox *inbox) | |
3760 | { | |
3761 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf); | |
3762 | u8 pri_sched_queue; | |
3763 | int port = mlx4_slave_convert_port( | |
3764 | dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1; | |
3765 | ||
3766 | if (port < 0) | |
3767 | return -EINVAL; | |
3768 | ||
3769 | pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) | | |
3770 | ((port & 1) << 6); | |
3771 | ||
f40e99e9 OG |
3772 | if (optpar & (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE) || |
3773 | qpc->pri_path.sched_queue || mlx4_is_eth(dev, port + 1)) { | |
449fc488 MB |
3774 | qpc->pri_path.sched_queue = pri_sched_queue; |
3775 | } | |
3776 | ||
3777 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
3778 | port = mlx4_slave_convert_port( | |
3779 | dev, slave, (qpc->alt_path.sched_queue >> 6 & 1) | |
3780 | + 1) - 1; | |
3781 | if (port < 0) | |
3782 | return -EINVAL; | |
3783 | qpc->alt_path.sched_queue = | |
3784 | (qpc->alt_path.sched_queue & ~(1 << 6)) | | |
3785 | (port & 1) << 6; | |
3786 | } | |
3787 | return 0; | |
3788 | } | |
3789 | ||
2f5bb473 JM |
3790 | static int roce_verify_mac(struct mlx4_dev *dev, int slave, |
3791 | struct mlx4_qp_context *qpc, | |
3792 | struct mlx4_cmd_mailbox *inbox) | |
3793 | { | |
3794 | u64 mac; | |
3795 | int port; | |
3796 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; | |
3797 | u8 sched = *(u8 *)(inbox->buf + 64); | |
3798 | u8 smac_ix; | |
3799 | ||
3800 | port = (sched >> 6 & 1) + 1; | |
3801 | if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) { | |
3802 | smac_ix = qpc->pri_path.grh_mylmc & 0x7f; | |
3803 | if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac)) | |
3804 | return -ENOENT; | |
3805 | } | |
3806 | return 0; | |
3807 | } | |
3808 | ||
c82e9aa0 EC |
3809 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, |
3810 | struct mlx4_vhcr *vhcr, | |
3811 | struct mlx4_cmd_mailbox *inbox, | |
3812 | struct mlx4_cmd_mailbox *outbox, | |
3813 | struct mlx4_cmd_info *cmd) | |
3814 | { | |
54679e14 | 3815 | int err; |
c82e9aa0 | 3816 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
b01978ca JM |
3817 | int qpn = vhcr->in_modifier & 0x7fffff; |
3818 | struct res_qp *qp; | |
3819 | u8 orig_sched_queue; | |
f0f829bf RE |
3820 | u8 orig_vlan_control = qpc->pri_path.vlan_control; |
3821 | u8 orig_fvl_rx = qpc->pri_path.fvl_rx; | |
3822 | u8 orig_pri_path_fl = qpc->pri_path.fl; | |
3823 | u8 orig_vlan_index = qpc->pri_path.vlan_index; | |
3824 | u8 orig_feup = qpc->pri_path.feup; | |
c82e9aa0 | 3825 | |
449fc488 MB |
3826 | err = adjust_qp_sched_queue(dev, slave, qpc, inbox); |
3827 | if (err) | |
3828 | return err; | |
99ec41d0 | 3829 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave); |
54679e14 JM |
3830 | if (err) |
3831 | return err; | |
3832 | ||
2f5bb473 JM |
3833 | if (roce_verify_mac(dev, slave, qpc, inbox)) |
3834 | return -EINVAL; | |
3835 | ||
54679e14 JM |
3836 | update_pkey_index(dev, slave, inbox); |
3837 | update_gid(dev, inbox, (u8)slave); | |
3838 | adjust_proxy_tun_qkey(dev, vhcr, qpc); | |
b01978ca | 3839 | orig_sched_queue = qpc->pri_path.sched_queue; |
54679e14 | 3840 | |
b01978ca JM |
3841 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
3842 | if (err) | |
3843 | return err; | |
3844 | if (qp->com.from_state != RES_QP_HW) { | |
3845 | err = -EBUSY; | |
3846 | goto out; | |
3847 | } | |
3848 | ||
9a892835 MG |
3849 | err = update_vport_qp_param(dev, inbox, slave, qpn); |
3850 | if (err) | |
3851 | goto out; | |
3852 | ||
b01978ca JM |
3853 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3854 | out: | |
3855 | /* if no error, save sched queue value passed in by VF. This is | |
3856 | * essentially the QOS value provided by the VF. This will be useful | |
3857 | * if we allow dynamic changes from VST back to VGT | |
3858 | */ | |
f0f829bf | 3859 | if (!err) { |
b01978ca | 3860 | qp->sched_queue = orig_sched_queue; |
f0f829bf RE |
3861 | qp->vlan_control = orig_vlan_control; |
3862 | qp->fvl_rx = orig_fvl_rx; | |
3863 | qp->pri_path_fl = orig_pri_path_fl; | |
3864 | qp->vlan_index = orig_vlan_index; | |
3865 | qp->feup = orig_feup; | |
3866 | } | |
b01978ca JM |
3867 | put_res(dev, slave, qpn, RES_QP); |
3868 | return err; | |
54679e14 JM |
3869 | } |
3870 | ||
3871 | int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3872 | struct mlx4_vhcr *vhcr, | |
3873 | struct mlx4_cmd_mailbox *inbox, | |
3874 | struct mlx4_cmd_mailbox *outbox, | |
3875 | struct mlx4_cmd_info *cmd) | |
3876 | { | |
3877 | int err; | |
3878 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3879 | ||
449fc488 MB |
3880 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3881 | if (err) | |
3882 | return err; | |
99ec41d0 | 3883 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave); |
54679e14 JM |
3884 | if (err) |
3885 | return err; | |
3886 | ||
3887 | update_pkey_index(dev, slave, inbox); | |
3888 | update_gid(dev, inbox, (u8)slave); | |
3889 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3890 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3891 | } | |
3892 | ||
3893 | int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3894 | struct mlx4_vhcr *vhcr, | |
3895 | struct mlx4_cmd_mailbox *inbox, | |
3896 | struct mlx4_cmd_mailbox *outbox, | |
3897 | struct mlx4_cmd_info *cmd) | |
3898 | { | |
3899 | int err; | |
3900 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3901 | ||
449fc488 MB |
3902 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3903 | if (err) | |
3904 | return err; | |
99ec41d0 | 3905 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave); |
54679e14 JM |
3906 | if (err) |
3907 | return err; | |
3908 | ||
3909 | update_pkey_index(dev, slave, inbox); | |
3910 | update_gid(dev, inbox, (u8)slave); | |
3911 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3912 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3913 | } | |
3914 | ||
3915 | ||
3916 | int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3917 | struct mlx4_vhcr *vhcr, | |
3918 | struct mlx4_cmd_mailbox *inbox, | |
3919 | struct mlx4_cmd_mailbox *outbox, | |
3920 | struct mlx4_cmd_info *cmd) | |
3921 | { | |
3922 | struct mlx4_qp_context *context = inbox->buf + 8; | |
449fc488 MB |
3923 | int err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3924 | if (err) | |
3925 | return err; | |
54679e14 JM |
3926 | adjust_proxy_tun_qkey(dev, vhcr, context); |
3927 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3928 | } | |
3929 | ||
3930 | int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3931 | struct mlx4_vhcr *vhcr, | |
3932 | struct mlx4_cmd_mailbox *inbox, | |
3933 | struct mlx4_cmd_mailbox *outbox, | |
3934 | struct mlx4_cmd_info *cmd) | |
3935 | { | |
3936 | int err; | |
3937 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3938 | ||
449fc488 MB |
3939 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3940 | if (err) | |
3941 | return err; | |
99ec41d0 | 3942 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave); |
54679e14 JM |
3943 | if (err) |
3944 | return err; | |
3945 | ||
3946 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3947 | update_gid(dev, inbox, (u8)slave); | |
3948 | update_pkey_index(dev, slave, inbox); | |
3949 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3950 | } | |
3951 | ||
3952 | int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3953 | struct mlx4_vhcr *vhcr, | |
3954 | struct mlx4_cmd_mailbox *inbox, | |
3955 | struct mlx4_cmd_mailbox *outbox, | |
3956 | struct mlx4_cmd_info *cmd) | |
3957 | { | |
3958 | int err; | |
3959 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3960 | ||
449fc488 MB |
3961 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3962 | if (err) | |
3963 | return err; | |
99ec41d0 | 3964 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave); |
54679e14 JM |
3965 | if (err) |
3966 | return err; | |
c82e9aa0 | 3967 | |
54679e14 JM |
3968 | adjust_proxy_tun_qkey(dev, vhcr, context); |
3969 | update_gid(dev, inbox, (u8)slave); | |
3970 | update_pkey_index(dev, slave, inbox); | |
c82e9aa0 EC |
3971 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3972 | } | |
3973 | ||
3974 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3975 | struct mlx4_vhcr *vhcr, | |
3976 | struct mlx4_cmd_mailbox *inbox, | |
3977 | struct mlx4_cmd_mailbox *outbox, | |
3978 | struct mlx4_cmd_info *cmd) | |
3979 | { | |
3980 | int err; | |
3981 | int qpn = vhcr->in_modifier & 0x7fffff; | |
3982 | struct res_qp *qp; | |
3983 | ||
3984 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); | |
3985 | if (err) | |
3986 | return err; | |
3987 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3988 | if (err) | |
3989 | goto ex_abort; | |
3990 | ||
3991 | atomic_dec(&qp->mtt->ref_count); | |
3992 | atomic_dec(&qp->rcq->ref_count); | |
3993 | atomic_dec(&qp->scq->ref_count); | |
3994 | if (qp->srq) | |
3995 | atomic_dec(&qp->srq->ref_count); | |
3996 | res_end_move(dev, slave, RES_QP, qpn); | |
3997 | return 0; | |
3998 | ||
3999 | ex_abort: | |
4000 | res_abort_move(dev, slave, RES_QP, qpn); | |
4001 | ||
4002 | return err; | |
4003 | } | |
4004 | ||
4005 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, | |
4006 | struct res_qp *rqp, u8 *gid) | |
4007 | { | |
4008 | struct res_gid *res; | |
4009 | ||
4010 | list_for_each_entry(res, &rqp->mcg_list, list) { | |
4011 | if (!memcmp(res->gid, gid, 16)) | |
4012 | return res; | |
4013 | } | |
4014 | return NULL; | |
4015 | } | |
4016 | ||
4017 | static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 | 4018 | u8 *gid, enum mlx4_protocol prot, |
fab1e24a | 4019 | enum mlx4_steer_type steer, u64 reg_id) |
c82e9aa0 EC |
4020 | { |
4021 | struct res_gid *res; | |
4022 | int err; | |
4023 | ||
31975e27 | 4024 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
c82e9aa0 EC |
4025 | if (!res) |
4026 | return -ENOMEM; | |
4027 | ||
4028 | spin_lock_irq(&rqp->mcg_spl); | |
4029 | if (find_gid(dev, slave, rqp, gid)) { | |
4030 | kfree(res); | |
4031 | err = -EEXIST; | |
4032 | } else { | |
4033 | memcpy(res->gid, gid, 16); | |
4034 | res->prot = prot; | |
9f5b6c63 | 4035 | res->steer = steer; |
fab1e24a | 4036 | res->reg_id = reg_id; |
c82e9aa0 EC |
4037 | list_add_tail(&res->list, &rqp->mcg_list); |
4038 | err = 0; | |
4039 | } | |
4040 | spin_unlock_irq(&rqp->mcg_spl); | |
4041 | ||
4042 | return err; | |
4043 | } | |
4044 | ||
4045 | static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 | 4046 | u8 *gid, enum mlx4_protocol prot, |
fab1e24a | 4047 | enum mlx4_steer_type steer, u64 *reg_id) |
c82e9aa0 EC |
4048 | { |
4049 | struct res_gid *res; | |
4050 | int err; | |
4051 | ||
4052 | spin_lock_irq(&rqp->mcg_spl); | |
4053 | res = find_gid(dev, slave, rqp, gid); | |
9f5b6c63 | 4054 | if (!res || res->prot != prot || res->steer != steer) |
c82e9aa0 EC |
4055 | err = -EINVAL; |
4056 | else { | |
fab1e24a | 4057 | *reg_id = res->reg_id; |
c82e9aa0 EC |
4058 | list_del(&res->list); |
4059 | kfree(res); | |
4060 | err = 0; | |
4061 | } | |
4062 | spin_unlock_irq(&rqp->mcg_spl); | |
4063 | ||
4064 | return err; | |
4065 | } | |
4066 | ||
449fc488 MB |
4067 | static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp, |
4068 | u8 gid[16], int block_loopback, enum mlx4_protocol prot, | |
fab1e24a HHZ |
4069 | enum mlx4_steer_type type, u64 *reg_id) |
4070 | { | |
4071 | switch (dev->caps.steering_mode) { | |
449fc488 MB |
4072 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { |
4073 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
4074 | if (port < 0) | |
4075 | return port; | |
4076 | return mlx4_trans_to_dmfs_attach(dev, qp, gid, port, | |
fab1e24a HHZ |
4077 | block_loopback, prot, |
4078 | reg_id); | |
449fc488 | 4079 | } |
fab1e24a | 4080 | case MLX4_STEERING_MODE_B0: |
449fc488 MB |
4081 | if (prot == MLX4_PROT_ETH) { |
4082 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
4083 | if (port < 0) | |
4084 | return port; | |
4085 | gid[5] = port; | |
4086 | } | |
fab1e24a HHZ |
4087 | return mlx4_qp_attach_common(dev, qp, gid, |
4088 | block_loopback, prot, type); | |
4089 | default: | |
4090 | return -EINVAL; | |
4091 | } | |
4092 | } | |
4093 | ||
449fc488 MB |
4094 | static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, |
4095 | u8 gid[16], enum mlx4_protocol prot, | |
4096 | enum mlx4_steer_type type, u64 reg_id) | |
fab1e24a HHZ |
4097 | { |
4098 | switch (dev->caps.steering_mode) { | |
4099 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
4100 | return mlx4_flow_detach(dev, reg_id); | |
4101 | case MLX4_STEERING_MODE_B0: | |
4102 | return mlx4_qp_detach_common(dev, qp, gid, prot, type); | |
4103 | default: | |
4104 | return -EINVAL; | |
4105 | } | |
4106 | } | |
4107 | ||
531d9014 JM |
4108 | static int mlx4_adjust_port(struct mlx4_dev *dev, int slave, |
4109 | u8 *gid, enum mlx4_protocol prot) | |
4110 | { | |
4111 | int real_port; | |
4112 | ||
4113 | if (prot != MLX4_PROT_ETH) | |
4114 | return 0; | |
4115 | ||
4116 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 || | |
4117 | dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
4118 | real_port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
4119 | if (real_port < 0) | |
4120 | return -EINVAL; | |
4121 | gid[5] = real_port; | |
4122 | } | |
4123 | ||
4124 | return 0; | |
4125 | } | |
4126 | ||
c82e9aa0 EC |
4127 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
4128 | struct mlx4_vhcr *vhcr, | |
4129 | struct mlx4_cmd_mailbox *inbox, | |
4130 | struct mlx4_cmd_mailbox *outbox, | |
4131 | struct mlx4_cmd_info *cmd) | |
4132 | { | |
4133 | struct mlx4_qp qp; /* dummy for calling attach/detach */ | |
4134 | u8 *gid = inbox->buf; | |
4135 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; | |
162344ed | 4136 | int err; |
c82e9aa0 EC |
4137 | int qpn; |
4138 | struct res_qp *rqp; | |
fab1e24a | 4139 | u64 reg_id = 0; |
c82e9aa0 EC |
4140 | int attach = vhcr->op_modifier; |
4141 | int block_loopback = vhcr->in_modifier >> 31; | |
4142 | u8 steer_type_mask = 2; | |
75c6062c | 4143 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
c82e9aa0 EC |
4144 | |
4145 | qpn = vhcr->in_modifier & 0xffffff; | |
4146 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
4147 | if (err) | |
4148 | return err; | |
4149 | ||
4150 | qp.qpn = qpn; | |
4151 | if (attach) { | |
449fc488 | 4152 | err = qp_attach(dev, slave, &qp, gid, block_loopback, prot, |
fab1e24a HHZ |
4153 | type, ®_id); |
4154 | if (err) { | |
4155 | pr_err("Fail to attach rule to qp 0x%x\n", qpn); | |
c82e9aa0 | 4156 | goto ex_put; |
fab1e24a HHZ |
4157 | } |
4158 | err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id); | |
c82e9aa0 | 4159 | if (err) |
fab1e24a | 4160 | goto ex_detach; |
c82e9aa0 | 4161 | } else { |
531d9014 JM |
4162 | err = mlx4_adjust_port(dev, slave, gid, prot); |
4163 | if (err) | |
4164 | goto ex_put; | |
4165 | ||
fab1e24a | 4166 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id); |
c82e9aa0 EC |
4167 | if (err) |
4168 | goto ex_put; | |
c82e9aa0 | 4169 | |
fab1e24a HHZ |
4170 | err = qp_detach(dev, &qp, gid, prot, type, reg_id); |
4171 | if (err) | |
4172 | pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n", | |
4173 | qpn, reg_id); | |
4174 | } | |
c82e9aa0 | 4175 | put_res(dev, slave, qpn, RES_QP); |
fab1e24a | 4176 | return err; |
c82e9aa0 | 4177 | |
fab1e24a HHZ |
4178 | ex_detach: |
4179 | qp_detach(dev, &qp, gid, prot, type, reg_id); | |
c82e9aa0 EC |
4180 | ex_put: |
4181 | put_res(dev, slave, qpn, RES_QP); | |
c82e9aa0 EC |
4182 | return err; |
4183 | } | |
4184 | ||
7fb40f87 HHZ |
4185 | /* |
4186 | * MAC validation for Flow Steering rules. | |
4187 | * VF can attach rules only with a mac address which is assigned to it. | |
4188 | */ | |
4189 | static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, | |
4190 | struct list_head *rlist) | |
4191 | { | |
4192 | struct mac_res *res, *tmp; | |
4193 | __be64 be_mac; | |
4194 | ||
4195 | /* make sure it isn't multicast or broadcast mac*/ | |
4196 | if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && | |
4197 | !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { | |
4198 | list_for_each_entry_safe(res, tmp, rlist, list) { | |
4199 | be_mac = cpu_to_be64(res->mac << 16); | |
c0623e58 | 4200 | if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) |
7fb40f87 HHZ |
4201 | return 0; |
4202 | } | |
4203 | pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", | |
4204 | eth_header->eth.dst_mac, slave); | |
4205 | return -EINVAL; | |
4206 | } | |
4207 | return 0; | |
4208 | } | |
4209 | ||
4210 | /* | |
4211 | * In case of missing eth header, append eth header with a MAC address | |
4212 | * assigned to the VF. | |
4213 | */ | |
4214 | static int add_eth_header(struct mlx4_dev *dev, int slave, | |
4215 | struct mlx4_cmd_mailbox *inbox, | |
4216 | struct list_head *rlist, int header_id) | |
4217 | { | |
4218 | struct mac_res *res, *tmp; | |
4219 | u8 port; | |
4220 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
4221 | struct mlx4_net_trans_rule_hw_eth *eth_header; | |
4222 | struct mlx4_net_trans_rule_hw_ipv4 *ip_header; | |
4223 | struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; | |
4224 | __be64 be_mac = 0; | |
4225 | __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); | |
4226 | ||
4227 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; | |
015465f8 | 4228 | port = ctrl->port; |
7fb40f87 HHZ |
4229 | eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); |
4230 | ||
4231 | /* Clear a space in the inbox for eth header */ | |
4232 | switch (header_id) { | |
4233 | case MLX4_NET_TRANS_RULE_ID_IPV4: | |
4234 | ip_header = | |
4235 | (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); | |
4236 | memmove(ip_header, eth_header, | |
4237 | sizeof(*ip_header) + sizeof(*l4_header)); | |
4238 | break; | |
4239 | case MLX4_NET_TRANS_RULE_ID_TCP: | |
4240 | case MLX4_NET_TRANS_RULE_ID_UDP: | |
4241 | l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) | |
4242 | (eth_header + 1); | |
4243 | memmove(l4_header, eth_header, sizeof(*l4_header)); | |
4244 | break; | |
4245 | default: | |
4246 | return -EINVAL; | |
4247 | } | |
4248 | list_for_each_entry_safe(res, tmp, rlist, list) { | |
4249 | if (port == res->port) { | |
4250 | be_mac = cpu_to_be64(res->mac << 16); | |
4251 | break; | |
4252 | } | |
4253 | } | |
4254 | if (!be_mac) { | |
1a91de28 | 4255 | pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n", |
7fb40f87 HHZ |
4256 | port); |
4257 | return -EINVAL; | |
4258 | } | |
4259 | ||
4260 | memset(eth_header, 0, sizeof(*eth_header)); | |
4261 | eth_header->size = sizeof(*eth_header) >> 2; | |
4262 | eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); | |
4263 | memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); | |
4264 | memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); | |
4265 | ||
4266 | return 0; | |
4267 | ||
4268 | } | |
4269 | ||
9a892835 MG |
4270 | #define MLX4_UPD_QP_PATH_MASK_SUPPORTED ( \ |
4271 | 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX |\ | |
4272 | 1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB) | |
ce8d9e0d MB |
4273 | int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, |
4274 | struct mlx4_vhcr *vhcr, | |
4275 | struct mlx4_cmd_mailbox *inbox, | |
4276 | struct mlx4_cmd_mailbox *outbox, | |
4277 | struct mlx4_cmd_info *cmd_info) | |
4278 | { | |
4279 | int err; | |
4280 | u32 qpn = vhcr->in_modifier & 0xffffff; | |
4281 | struct res_qp *rqp; | |
4282 | u64 mac; | |
4283 | unsigned port; | |
4284 | u64 pri_addr_path_mask; | |
4285 | struct mlx4_update_qp_context *cmd; | |
4286 | int smac_index; | |
4287 | ||
4288 | cmd = (struct mlx4_update_qp_context *)inbox->buf; | |
4289 | ||
4290 | pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask); | |
4291 | if (cmd->qp_mask || cmd->secondary_addr_path_mask || | |
4292 | (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED)) | |
4293 | return -EPERM; | |
4294 | ||
9a892835 MG |
4295 | if ((pri_addr_path_mask & |
4296 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) && | |
4297 | !(dev->caps.flags2 & | |
4298 | MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) { | |
5d4de16c CJ |
4299 | mlx4_warn(dev, "Src check LB for slave %d isn't supported\n", |
4300 | slave); | |
423b3aec | 4301 | return -EOPNOTSUPP; |
9a892835 MG |
4302 | } |
4303 | ||
ce8d9e0d MB |
4304 | /* Just change the smac for the QP */ |
4305 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
4306 | if (err) { | |
4307 | mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave); | |
4308 | return err; | |
4309 | } | |
4310 | ||
4311 | port = (rqp->sched_queue >> 6 & 1) + 1; | |
b7834758 MB |
4312 | |
4313 | if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) { | |
4314 | smac_index = cmd->qp_context.pri_path.grh_mylmc; | |
4315 | err = mac_find_smac_ix_in_slave(dev, slave, port, | |
4316 | smac_index, &mac); | |
4317 | ||
4318 | if (err) { | |
4319 | mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n", | |
4320 | qpn, smac_index); | |
4321 | goto err_mac; | |
4322 | } | |
ce8d9e0d MB |
4323 | } |
4324 | ||
4325 | err = mlx4_cmd(dev, inbox->dma, | |
4326 | vhcr->in_modifier, 0, | |
4327 | MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A, | |
4328 | MLX4_CMD_NATIVE); | |
4329 | if (err) { | |
4330 | mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn); | |
4331 | goto err_mac; | |
4332 | } | |
4333 | ||
4334 | err_mac: | |
4335 | put_res(dev, slave, qpn, RES_QP); | |
4336 | return err; | |
4337 | } | |
4338 | ||
78efed27 MS |
4339 | static u32 qp_attach_mbox_size(void *mbox) |
4340 | { | |
4341 | u32 size = sizeof(struct mlx4_net_trans_rule_hw_ctrl); | |
4342 | struct _rule_hw *rule_header; | |
4343 | ||
4344 | rule_header = (struct _rule_hw *)(mbox + size); | |
4345 | ||
4346 | while (rule_header->size) { | |
4347 | size += rule_header->size * sizeof(u32); | |
4348 | rule_header += 1; | |
4349 | } | |
4350 | return size; | |
4351 | } | |
4352 | ||
4353 | static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule); | |
4354 | ||
8fcfb4db HHZ |
4355 | int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
4356 | struct mlx4_vhcr *vhcr, | |
4357 | struct mlx4_cmd_mailbox *inbox, | |
4358 | struct mlx4_cmd_mailbox *outbox, | |
4359 | struct mlx4_cmd_info *cmd) | |
4360 | { | |
7fb40f87 HHZ |
4361 | |
4362 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4363 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4364 | struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; | |
1b9c6b06 | 4365 | int err; |
a9c01e7a | 4366 | int qpn; |
2c473ae7 | 4367 | struct res_qp *rqp; |
7fb40f87 HHZ |
4368 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
4369 | struct _rule_hw *rule_header; | |
4370 | int header_id; | |
78efed27 MS |
4371 | struct res_fs_rule *rrule; |
4372 | u32 mbox_size; | |
1b9c6b06 | 4373 | |
0ff1fb65 HHZ |
4374 | if (dev->caps.steering_mode != |
4375 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
4376 | return -EOPNOTSUPP; | |
1b9c6b06 | 4377 | |
7fb40f87 | 4378 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
2b2b31c8 AH |
4379 | err = mlx4_slave_convert_port(dev, slave, ctrl->port); |
4380 | if (err <= 0) | |
449fc488 | 4381 | return -EINVAL; |
2b2b31c8 | 4382 | ctrl->port = err; |
a9c01e7a | 4383 | qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; |
2c473ae7 | 4384 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
a9c01e7a | 4385 | if (err) { |
1a91de28 | 4386 | pr_err("Steering rule with qpn 0x%x rejected\n", qpn); |
a9c01e7a HHZ |
4387 | return err; |
4388 | } | |
7fb40f87 HHZ |
4389 | rule_header = (struct _rule_hw *)(ctrl + 1); |
4390 | header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); | |
4391 | ||
48564135 | 4392 | if (header_id == MLX4_NET_TRANS_RULE_ID_ETH) |
10b1c04e | 4393 | mlx4_handle_eth_header_mcast_prio(ctrl, rule_header); |
48564135 | 4394 | |
7fb40f87 HHZ |
4395 | switch (header_id) { |
4396 | case MLX4_NET_TRANS_RULE_ID_ETH: | |
a9c01e7a HHZ |
4397 | if (validate_eth_header_mac(slave, rule_header, rlist)) { |
4398 | err = -EINVAL; | |
78efed27 | 4399 | goto err_put_qp; |
a9c01e7a | 4400 | } |
7fb40f87 | 4401 | break; |
60396683 JM |
4402 | case MLX4_NET_TRANS_RULE_ID_IB: |
4403 | break; | |
7fb40f87 HHZ |
4404 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
4405 | case MLX4_NET_TRANS_RULE_ID_TCP: | |
4406 | case MLX4_NET_TRANS_RULE_ID_UDP: | |
1a91de28 | 4407 | pr_warn("Can't attach FS rule without L2 headers, adding L2 header\n"); |
a9c01e7a HHZ |
4408 | if (add_eth_header(dev, slave, inbox, rlist, header_id)) { |
4409 | err = -EINVAL; | |
78efed27 | 4410 | goto err_put_qp; |
a9c01e7a | 4411 | } |
7fb40f87 HHZ |
4412 | vhcr->in_modifier += |
4413 | sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; | |
4414 | break; | |
4415 | default: | |
1a91de28 | 4416 | pr_err("Corrupted mailbox\n"); |
a9c01e7a | 4417 | err = -EINVAL; |
78efed27 | 4418 | goto err_put_qp; |
7fb40f87 HHZ |
4419 | } |
4420 | ||
1b9c6b06 HHZ |
4421 | err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, |
4422 | vhcr->in_modifier, 0, | |
4423 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
4424 | MLX4_CMD_NATIVE); | |
4425 | if (err) | |
78efed27 MS |
4426 | goto err_put_qp; |
4427 | ||
1b9c6b06 | 4428 | |
2c473ae7 | 4429 | err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn); |
1b9c6b06 | 4430 | if (err) { |
1a91de28 | 4431 | mlx4_err(dev, "Fail to add flow steering resources\n"); |
78efed27 MS |
4432 | goto err_detach; |
4433 | } | |
4434 | ||
4435 | err = get_res(dev, slave, vhcr->out_param, RES_FS_RULE, &rrule); | |
4436 | if (err) | |
4437 | goto err_detach; | |
4438 | ||
4439 | mbox_size = qp_attach_mbox_size(inbox->buf); | |
4440 | rrule->mirr_mbox = kmalloc(mbox_size, GFP_KERNEL); | |
4441 | if (!rrule->mirr_mbox) { | |
4442 | err = -ENOMEM; | |
4443 | goto err_put_rule; | |
4444 | } | |
4445 | rrule->mirr_mbox_size = mbox_size; | |
4446 | rrule->mirr_rule_id = 0; | |
4447 | memcpy(rrule->mirr_mbox, inbox->buf, mbox_size); | |
4448 | ||
4449 | /* set different port */ | |
4450 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)rrule->mirr_mbox; | |
4451 | if (ctrl->port == 1) | |
4452 | ctrl->port = 2; | |
4453 | else | |
4454 | ctrl->port = 1; | |
4455 | ||
4456 | if (mlx4_is_bonded(dev)) | |
4457 | mlx4_do_mirror_rule(dev, rrule); | |
4458 | ||
4459 | atomic_inc(&rqp->ref_count); | |
4460 | ||
4461 | err_put_rule: | |
4462 | put_res(dev, slave, vhcr->out_param, RES_FS_RULE); | |
4463 | err_detach: | |
4464 | /* detach rule on error */ | |
4465 | if (err) | |
1b9c6b06 | 4466 | mlx4_cmd(dev, vhcr->out_param, 0, 0, |
2065b38b | 4467 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
1b9c6b06 | 4468 | MLX4_CMD_NATIVE); |
78efed27 | 4469 | err_put_qp: |
a9c01e7a | 4470 | put_res(dev, slave, qpn, RES_QP); |
1b9c6b06 | 4471 | return err; |
8fcfb4db HHZ |
4472 | } |
4473 | ||
78efed27 MS |
4474 | static int mlx4_undo_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) |
4475 | { | |
4476 | int err; | |
4477 | ||
4478 | err = rem_res_range(dev, fs_rule->com.owner, fs_rule->com.res_id, 1, RES_FS_RULE, 0); | |
4479 | if (err) { | |
4480 | mlx4_err(dev, "Fail to remove flow steering resources\n"); | |
4481 | return err; | |
4482 | } | |
4483 | ||
4484 | mlx4_cmd(dev, fs_rule->com.res_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, | |
4485 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
4486 | return 0; | |
4487 | } | |
4488 | ||
8fcfb4db HHZ |
4489 | int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, |
4490 | struct mlx4_vhcr *vhcr, | |
4491 | struct mlx4_cmd_mailbox *inbox, | |
4492 | struct mlx4_cmd_mailbox *outbox, | |
4493 | struct mlx4_cmd_info *cmd) | |
4494 | { | |
1b9c6b06 | 4495 | int err; |
2c473ae7 HHZ |
4496 | struct res_qp *rqp; |
4497 | struct res_fs_rule *rrule; | |
78efed27 | 4498 | u64 mirr_reg_id; |
3b01fe7f | 4499 | int qpn; |
1b9c6b06 | 4500 | |
0ff1fb65 HHZ |
4501 | if (dev->caps.steering_mode != |
4502 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
4503 | return -EOPNOTSUPP; | |
1b9c6b06 | 4504 | |
2c473ae7 HHZ |
4505 | err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); |
4506 | if (err) | |
4507 | return err; | |
78efed27 MS |
4508 | |
4509 | if (!rrule->mirr_mbox) { | |
4510 | mlx4_err(dev, "Mirror rules cannot be removed explicitly\n"); | |
4511 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); | |
4512 | return -EINVAL; | |
4513 | } | |
4514 | mirr_reg_id = rrule->mirr_rule_id; | |
4515 | kfree(rrule->mirr_mbox); | |
3b01fe7f | 4516 | qpn = rrule->qpn; |
78efed27 | 4517 | |
2c473ae7 HHZ |
4518 | /* Release the rule form busy state before removal */ |
4519 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); | |
3b01fe7f | 4520 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
2c473ae7 HHZ |
4521 | if (err) |
4522 | return err; | |
4523 | ||
78efed27 MS |
4524 | if (mirr_reg_id && mlx4_is_bonded(dev)) { |
4525 | err = get_res(dev, slave, mirr_reg_id, RES_FS_RULE, &rrule); | |
4526 | if (err) { | |
4527 | mlx4_err(dev, "Fail to get resource of mirror rule\n"); | |
4528 | } else { | |
4529 | put_res(dev, slave, mirr_reg_id, RES_FS_RULE); | |
4530 | mlx4_undo_mirror_rule(dev, rrule); | |
4531 | } | |
4532 | } | |
1b9c6b06 HHZ |
4533 | err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); |
4534 | if (err) { | |
1a91de28 | 4535 | mlx4_err(dev, "Fail to remove flow steering resources\n"); |
2c473ae7 | 4536 | goto out; |
1b9c6b06 HHZ |
4537 | } |
4538 | ||
4539 | err = mlx4_cmd(dev, vhcr->in_param, 0, 0, | |
4540 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
4541 | MLX4_CMD_NATIVE); | |
2c473ae7 HHZ |
4542 | if (!err) |
4543 | atomic_dec(&rqp->ref_count); | |
4544 | out: | |
3b01fe7f | 4545 | put_res(dev, slave, qpn, RES_QP); |
1b9c6b06 | 4546 | return err; |
8fcfb4db HHZ |
4547 | } |
4548 | ||
c82e9aa0 EC |
4549 | enum { |
4550 | BUSY_MAX_RETRIES = 10 | |
4551 | }; | |
4552 | ||
4553 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, | |
4554 | struct mlx4_vhcr *vhcr, | |
4555 | struct mlx4_cmd_mailbox *inbox, | |
4556 | struct mlx4_cmd_mailbox *outbox, | |
4557 | struct mlx4_cmd_info *cmd) | |
4558 | { | |
4559 | int err; | |
4560 | int index = vhcr->in_modifier & 0xffff; | |
4561 | ||
4562 | err = get_res(dev, slave, index, RES_COUNTER, NULL); | |
4563 | if (err) | |
4564 | return err; | |
4565 | ||
4566 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
4567 | put_res(dev, slave, index, RES_COUNTER); | |
4568 | return err; | |
4569 | } | |
4570 | ||
4571 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) | |
4572 | { | |
4573 | struct res_gid *rgid; | |
4574 | struct res_gid *tmp; | |
c82e9aa0 EC |
4575 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
4576 | ||
4577 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { | |
fab1e24a HHZ |
4578 | switch (dev->caps.steering_mode) { |
4579 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
4580 | mlx4_flow_detach(dev, rgid->reg_id); | |
4581 | break; | |
4582 | case MLX4_STEERING_MODE_B0: | |
4583 | qp.qpn = rqp->local_qpn; | |
4584 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, | |
4585 | rgid->prot, rgid->steer); | |
4586 | break; | |
4587 | } | |
c82e9aa0 EC |
4588 | list_del(&rgid->list); |
4589 | kfree(rgid); | |
4590 | } | |
4591 | } | |
4592 | ||
4593 | static int _move_all_busy(struct mlx4_dev *dev, int slave, | |
4594 | enum mlx4_resource type, int print) | |
4595 | { | |
4596 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4597 | struct mlx4_resource_tracker *tracker = | |
4598 | &priv->mfunc.master.res_tracker; | |
4599 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; | |
4600 | struct res_common *r; | |
4601 | struct res_common *tmp; | |
4602 | int busy; | |
4603 | ||
4604 | busy = 0; | |
4605 | spin_lock_irq(mlx4_tlock(dev)); | |
4606 | list_for_each_entry_safe(r, tmp, rlist, list) { | |
4607 | if (r->owner == slave) { | |
4608 | if (!r->removing) { | |
4609 | if (r->state == RES_ANY_BUSY) { | |
4610 | if (print) | |
4611 | mlx4_dbg(dev, | |
aa1ec3dd | 4612 | "%s id 0x%llx is busy\n", |
95646373 | 4613 | resource_str(type), |
c82e9aa0 EC |
4614 | r->res_id); |
4615 | ++busy; | |
4616 | } else { | |
4617 | r->from_state = r->state; | |
4618 | r->state = RES_ANY_BUSY; | |
4619 | r->removing = 1; | |
4620 | } | |
4621 | } | |
4622 | } | |
4623 | } | |
4624 | spin_unlock_irq(mlx4_tlock(dev)); | |
4625 | ||
4626 | return busy; | |
4627 | } | |
4628 | ||
4629 | static int move_all_busy(struct mlx4_dev *dev, int slave, | |
4630 | enum mlx4_resource type) | |
4631 | { | |
4632 | unsigned long begin; | |
4633 | int busy; | |
4634 | ||
4635 | begin = jiffies; | |
4636 | do { | |
4637 | busy = _move_all_busy(dev, slave, type, 0); | |
4638 | if (time_after(jiffies, begin + 5 * HZ)) | |
4639 | break; | |
4640 | if (busy) | |
4641 | cond_resched(); | |
4642 | } while (busy); | |
4643 | ||
4644 | if (busy) | |
4645 | busy = _move_all_busy(dev, slave, type, 1); | |
4646 | ||
4647 | return busy; | |
4648 | } | |
4649 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) | |
4650 | { | |
4651 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4652 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4653 | struct list_head *qp_list = | |
4654 | &tracker->slave_list[slave].res_list[RES_QP]; | |
4655 | struct res_qp *qp; | |
4656 | struct res_qp *tmp; | |
4657 | int state; | |
4658 | u64 in_param; | |
4659 | int qpn; | |
4660 | int err; | |
4661 | ||
4662 | err = move_all_busy(dev, slave, RES_QP); | |
4663 | if (err) | |
1a91de28 JP |
4664 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n", |
4665 | slave); | |
c82e9aa0 EC |
4666 | |
4667 | spin_lock_irq(mlx4_tlock(dev)); | |
4668 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
4669 | spin_unlock_irq(mlx4_tlock(dev)); | |
4670 | if (qp->com.owner == slave) { | |
4671 | qpn = qp->com.res_id; | |
4672 | detach_qp(dev, slave, qp); | |
4673 | state = qp->com.from_state; | |
4674 | while (state != 0) { | |
4675 | switch (state) { | |
4676 | case RES_QP_RESERVED: | |
4677 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4678 | rb_erase(&qp->com.node, |
4679 | &tracker->res_tree[RES_QP]); | |
c82e9aa0 EC |
4680 | list_del(&qp->com.list); |
4681 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4682 | if (!valid_reserved(dev, slave, qpn)) { |
4683 | __mlx4_qp_release_range(dev, qpn, 1); | |
4684 | mlx4_release_resource(dev, slave, | |
4685 | RES_QP, 1, 0); | |
4686 | } | |
c82e9aa0 EC |
4687 | kfree(qp); |
4688 | state = 0; | |
4689 | break; | |
4690 | case RES_QP_MAPPED: | |
4691 | if (!valid_reserved(dev, slave, qpn)) | |
4692 | __mlx4_qp_free_icm(dev, qpn); | |
4693 | state = RES_QP_RESERVED; | |
4694 | break; | |
4695 | case RES_QP_HW: | |
4696 | in_param = slave; | |
4697 | err = mlx4_cmd(dev, in_param, | |
4698 | qp->local_qpn, 2, | |
4699 | MLX4_CMD_2RST_QP, | |
4700 | MLX4_CMD_TIME_CLASS_A, | |
4701 | MLX4_CMD_NATIVE); | |
4702 | if (err) | |
1a91de28 JP |
4703 | mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n", |
4704 | slave, qp->local_qpn); | |
c82e9aa0 EC |
4705 | atomic_dec(&qp->rcq->ref_count); |
4706 | atomic_dec(&qp->scq->ref_count); | |
4707 | atomic_dec(&qp->mtt->ref_count); | |
4708 | if (qp->srq) | |
4709 | atomic_dec(&qp->srq->ref_count); | |
4710 | state = RES_QP_MAPPED; | |
4711 | break; | |
4712 | default: | |
4713 | state = 0; | |
4714 | } | |
4715 | } | |
4716 | } | |
4717 | spin_lock_irq(mlx4_tlock(dev)); | |
4718 | } | |
4719 | spin_unlock_irq(mlx4_tlock(dev)); | |
4720 | } | |
4721 | ||
4722 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) | |
4723 | { | |
4724 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4725 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4726 | struct list_head *srq_list = | |
4727 | &tracker->slave_list[slave].res_list[RES_SRQ]; | |
4728 | struct res_srq *srq; | |
4729 | struct res_srq *tmp; | |
4730 | int state; | |
4731 | u64 in_param; | |
4732 | LIST_HEAD(tlist); | |
4733 | int srqn; | |
4734 | int err; | |
4735 | ||
4736 | err = move_all_busy(dev, slave, RES_SRQ); | |
4737 | if (err) | |
1a91de28 JP |
4738 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n", |
4739 | slave); | |
c82e9aa0 EC |
4740 | |
4741 | spin_lock_irq(mlx4_tlock(dev)); | |
4742 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { | |
4743 | spin_unlock_irq(mlx4_tlock(dev)); | |
4744 | if (srq->com.owner == slave) { | |
4745 | srqn = srq->com.res_id; | |
4746 | state = srq->com.from_state; | |
4747 | while (state != 0) { | |
4748 | switch (state) { | |
4749 | case RES_SRQ_ALLOCATED: | |
4750 | __mlx4_srq_free_icm(dev, srqn); | |
4751 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4752 | rb_erase(&srq->com.node, |
4753 | &tracker->res_tree[RES_SRQ]); | |
c82e9aa0 EC |
4754 | list_del(&srq->com.list); |
4755 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4756 | mlx4_release_resource(dev, slave, |
4757 | RES_SRQ, 1, 0); | |
c82e9aa0 EC |
4758 | kfree(srq); |
4759 | state = 0; | |
4760 | break; | |
4761 | ||
4762 | case RES_SRQ_HW: | |
4763 | in_param = slave; | |
4764 | err = mlx4_cmd(dev, in_param, srqn, 1, | |
4765 | MLX4_CMD_HW2SW_SRQ, | |
4766 | MLX4_CMD_TIME_CLASS_A, | |
4767 | MLX4_CMD_NATIVE); | |
4768 | if (err) | |
1a91de28 | 4769 | mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n", |
c82e9aa0 EC |
4770 | slave, srqn); |
4771 | ||
4772 | atomic_dec(&srq->mtt->ref_count); | |
4773 | if (srq->cq) | |
4774 | atomic_dec(&srq->cq->ref_count); | |
4775 | state = RES_SRQ_ALLOCATED; | |
4776 | break; | |
4777 | ||
4778 | default: | |
4779 | state = 0; | |
4780 | } | |
4781 | } | |
4782 | } | |
4783 | spin_lock_irq(mlx4_tlock(dev)); | |
4784 | } | |
4785 | spin_unlock_irq(mlx4_tlock(dev)); | |
4786 | } | |
4787 | ||
4788 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) | |
4789 | { | |
4790 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4791 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4792 | struct list_head *cq_list = | |
4793 | &tracker->slave_list[slave].res_list[RES_CQ]; | |
4794 | struct res_cq *cq; | |
4795 | struct res_cq *tmp; | |
4796 | int state; | |
4797 | u64 in_param; | |
4798 | LIST_HEAD(tlist); | |
4799 | int cqn; | |
4800 | int err; | |
4801 | ||
4802 | err = move_all_busy(dev, slave, RES_CQ); | |
4803 | if (err) | |
1a91de28 JP |
4804 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n", |
4805 | slave); | |
c82e9aa0 EC |
4806 | |
4807 | spin_lock_irq(mlx4_tlock(dev)); | |
4808 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { | |
4809 | spin_unlock_irq(mlx4_tlock(dev)); | |
4810 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { | |
4811 | cqn = cq->com.res_id; | |
4812 | state = cq->com.from_state; | |
4813 | while (state != 0) { | |
4814 | switch (state) { | |
4815 | case RES_CQ_ALLOCATED: | |
4816 | __mlx4_cq_free_icm(dev, cqn); | |
4817 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4818 | rb_erase(&cq->com.node, |
4819 | &tracker->res_tree[RES_CQ]); | |
c82e9aa0 EC |
4820 | list_del(&cq->com.list); |
4821 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4822 | mlx4_release_resource(dev, slave, |
4823 | RES_CQ, 1, 0); | |
c82e9aa0 EC |
4824 | kfree(cq); |
4825 | state = 0; | |
4826 | break; | |
4827 | ||
4828 | case RES_CQ_HW: | |
4829 | in_param = slave; | |
4830 | err = mlx4_cmd(dev, in_param, cqn, 1, | |
4831 | MLX4_CMD_HW2SW_CQ, | |
4832 | MLX4_CMD_TIME_CLASS_A, | |
4833 | MLX4_CMD_NATIVE); | |
4834 | if (err) | |
1a91de28 | 4835 | mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n", |
c82e9aa0 EC |
4836 | slave, cqn); |
4837 | atomic_dec(&cq->mtt->ref_count); | |
4838 | state = RES_CQ_ALLOCATED; | |
4839 | break; | |
4840 | ||
4841 | default: | |
4842 | state = 0; | |
4843 | } | |
4844 | } | |
4845 | } | |
4846 | spin_lock_irq(mlx4_tlock(dev)); | |
4847 | } | |
4848 | spin_unlock_irq(mlx4_tlock(dev)); | |
4849 | } | |
4850 | ||
4851 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) | |
4852 | { | |
4853 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4854 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4855 | struct list_head *mpt_list = | |
4856 | &tracker->slave_list[slave].res_list[RES_MPT]; | |
4857 | struct res_mpt *mpt; | |
4858 | struct res_mpt *tmp; | |
4859 | int state; | |
4860 | u64 in_param; | |
4861 | LIST_HEAD(tlist); | |
4862 | int mptn; | |
4863 | int err; | |
4864 | ||
4865 | err = move_all_busy(dev, slave, RES_MPT); | |
4866 | if (err) | |
1a91de28 JP |
4867 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n", |
4868 | slave); | |
c82e9aa0 EC |
4869 | |
4870 | spin_lock_irq(mlx4_tlock(dev)); | |
4871 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { | |
4872 | spin_unlock_irq(mlx4_tlock(dev)); | |
4873 | if (mpt->com.owner == slave) { | |
4874 | mptn = mpt->com.res_id; | |
4875 | state = mpt->com.from_state; | |
4876 | while (state != 0) { | |
4877 | switch (state) { | |
4878 | case RES_MPT_RESERVED: | |
b20e519a | 4879 | __mlx4_mpt_release(dev, mpt->key); |
c82e9aa0 | 4880 | spin_lock_irq(mlx4_tlock(dev)); |
4af1c048 HHZ |
4881 | rb_erase(&mpt->com.node, |
4882 | &tracker->res_tree[RES_MPT]); | |
c82e9aa0 EC |
4883 | list_del(&mpt->com.list); |
4884 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4885 | mlx4_release_resource(dev, slave, |
4886 | RES_MPT, 1, 0); | |
c82e9aa0 EC |
4887 | kfree(mpt); |
4888 | state = 0; | |
4889 | break; | |
4890 | ||
4891 | case RES_MPT_MAPPED: | |
b20e519a | 4892 | __mlx4_mpt_free_icm(dev, mpt->key); |
c82e9aa0 EC |
4893 | state = RES_MPT_RESERVED; |
4894 | break; | |
4895 | ||
4896 | case RES_MPT_HW: | |
4897 | in_param = slave; | |
4898 | err = mlx4_cmd(dev, in_param, mptn, 0, | |
4899 | MLX4_CMD_HW2SW_MPT, | |
4900 | MLX4_CMD_TIME_CLASS_A, | |
4901 | MLX4_CMD_NATIVE); | |
4902 | if (err) | |
1a91de28 | 4903 | mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n", |
c82e9aa0 EC |
4904 | slave, mptn); |
4905 | if (mpt->mtt) | |
4906 | atomic_dec(&mpt->mtt->ref_count); | |
4907 | state = RES_MPT_MAPPED; | |
4908 | break; | |
4909 | default: | |
4910 | state = 0; | |
4911 | } | |
4912 | } | |
4913 | } | |
4914 | spin_lock_irq(mlx4_tlock(dev)); | |
4915 | } | |
4916 | spin_unlock_irq(mlx4_tlock(dev)); | |
4917 | } | |
4918 | ||
4919 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) | |
4920 | { | |
4921 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4922 | struct mlx4_resource_tracker *tracker = | |
4923 | &priv->mfunc.master.res_tracker; | |
4924 | struct list_head *mtt_list = | |
4925 | &tracker->slave_list[slave].res_list[RES_MTT]; | |
4926 | struct res_mtt *mtt; | |
4927 | struct res_mtt *tmp; | |
4928 | int state; | |
4929 | LIST_HEAD(tlist); | |
4930 | int base; | |
4931 | int err; | |
4932 | ||
4933 | err = move_all_busy(dev, slave, RES_MTT); | |
4934 | if (err) | |
1a91de28 JP |
4935 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n", |
4936 | slave); | |
c82e9aa0 EC |
4937 | |
4938 | spin_lock_irq(mlx4_tlock(dev)); | |
4939 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { | |
4940 | spin_unlock_irq(mlx4_tlock(dev)); | |
4941 | if (mtt->com.owner == slave) { | |
4942 | base = mtt->com.res_id; | |
4943 | state = mtt->com.from_state; | |
4944 | while (state != 0) { | |
4945 | switch (state) { | |
4946 | case RES_MTT_ALLOCATED: | |
4947 | __mlx4_free_mtt_range(dev, base, | |
4948 | mtt->order); | |
4949 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4950 | rb_erase(&mtt->com.node, |
4951 | &tracker->res_tree[RES_MTT]); | |
c82e9aa0 EC |
4952 | list_del(&mtt->com.list); |
4953 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4954 | mlx4_release_resource(dev, slave, RES_MTT, |
4955 | 1 << mtt->order, 0); | |
c82e9aa0 EC |
4956 | kfree(mtt); |
4957 | state = 0; | |
4958 | break; | |
4959 | ||
4960 | default: | |
4961 | state = 0; | |
4962 | } | |
4963 | } | |
4964 | } | |
4965 | spin_lock_irq(mlx4_tlock(dev)); | |
4966 | } | |
4967 | spin_unlock_irq(mlx4_tlock(dev)); | |
4968 | } | |
4969 | ||
78efed27 MS |
4970 | static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) |
4971 | { | |
4972 | struct mlx4_cmd_mailbox *mailbox; | |
4973 | int err; | |
4974 | struct res_fs_rule *mirr_rule; | |
4975 | u64 reg_id; | |
4976 | ||
4977 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
4978 | if (IS_ERR(mailbox)) | |
4979 | return PTR_ERR(mailbox); | |
4980 | ||
4981 | if (!fs_rule->mirr_mbox) { | |
4982 | mlx4_err(dev, "rule mirroring mailbox is null\n"); | |
4983 | return -EINVAL; | |
4984 | } | |
4985 | memcpy(mailbox->buf, fs_rule->mirr_mbox, fs_rule->mirr_mbox_size); | |
4986 | err = mlx4_cmd_imm(dev, mailbox->dma, ®_id, fs_rule->mirr_mbox_size >> 2, 0, | |
4987 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
4988 | MLX4_CMD_NATIVE); | |
4989 | mlx4_free_cmd_mailbox(dev, mailbox); | |
4990 | ||
4991 | if (err) | |
4992 | goto err; | |
4993 | ||
4994 | err = add_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, fs_rule->qpn); | |
4995 | if (err) | |
4996 | goto err_detach; | |
4997 | ||
4998 | err = get_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE, &mirr_rule); | |
4999 | if (err) | |
5000 | goto err_rem; | |
5001 | ||
5002 | fs_rule->mirr_rule_id = reg_id; | |
5003 | mirr_rule->mirr_rule_id = 0; | |
5004 | mirr_rule->mirr_mbox_size = 0; | |
5005 | mirr_rule->mirr_mbox = NULL; | |
5006 | put_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE); | |
5007 | ||
5008 | return 0; | |
5009 | err_rem: | |
5010 | rem_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, 0); | |
5011 | err_detach: | |
5012 | mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, | |
5013 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
5014 | err: | |
5015 | return err; | |
5016 | } | |
5017 | ||
5018 | static int mlx4_mirror_fs_rules(struct mlx4_dev *dev, bool bond) | |
5019 | { | |
5020 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5021 | struct mlx4_resource_tracker *tracker = | |
5022 | &priv->mfunc.master.res_tracker; | |
5023 | struct rb_root *root = &tracker->res_tree[RES_FS_RULE]; | |
5024 | struct rb_node *p; | |
5025 | struct res_fs_rule *fs_rule; | |
5026 | int err = 0; | |
5027 | LIST_HEAD(mirr_list); | |
5028 | ||
5029 | for (p = rb_first(root); p; p = rb_next(p)) { | |
5030 | fs_rule = rb_entry(p, struct res_fs_rule, com.node); | |
5031 | if ((bond && fs_rule->mirr_mbox_size) || | |
5032 | (!bond && !fs_rule->mirr_mbox_size)) | |
5033 | list_add_tail(&fs_rule->mirr_list, &mirr_list); | |
5034 | } | |
5035 | ||
5036 | list_for_each_entry(fs_rule, &mirr_list, mirr_list) { | |
5037 | if (bond) | |
5038 | err += mlx4_do_mirror_rule(dev, fs_rule); | |
5039 | else | |
5040 | err += mlx4_undo_mirror_rule(dev, fs_rule); | |
5041 | } | |
5042 | return err; | |
5043 | } | |
5044 | ||
5045 | int mlx4_bond_fs_rules(struct mlx4_dev *dev) | |
5046 | { | |
5047 | return mlx4_mirror_fs_rules(dev, true); | |
5048 | } | |
5049 | ||
5050 | int mlx4_unbond_fs_rules(struct mlx4_dev *dev) | |
5051 | { | |
5052 | return mlx4_mirror_fs_rules(dev, false); | |
5053 | } | |
5054 | ||
1b9c6b06 HHZ |
5055 | static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) |
5056 | { | |
5057 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5058 | struct mlx4_resource_tracker *tracker = | |
5059 | &priv->mfunc.master.res_tracker; | |
5060 | struct list_head *fs_rule_list = | |
5061 | &tracker->slave_list[slave].res_list[RES_FS_RULE]; | |
5062 | struct res_fs_rule *fs_rule; | |
5063 | struct res_fs_rule *tmp; | |
5064 | int state; | |
5065 | u64 base; | |
5066 | int err; | |
5067 | ||
5068 | err = move_all_busy(dev, slave, RES_FS_RULE); | |
5069 | if (err) | |
5070 | mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", | |
5071 | slave); | |
5072 | ||
5073 | spin_lock_irq(mlx4_tlock(dev)); | |
5074 | list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { | |
5075 | spin_unlock_irq(mlx4_tlock(dev)); | |
5076 | if (fs_rule->com.owner == slave) { | |
5077 | base = fs_rule->com.res_id; | |
5078 | state = fs_rule->com.from_state; | |
5079 | while (state != 0) { | |
5080 | switch (state) { | |
5081 | case RES_FS_RULE_ALLOCATED: | |
5082 | /* detach rule */ | |
5083 | err = mlx4_cmd(dev, base, 0, 0, | |
5084 | MLX4_QP_FLOW_STEERING_DETACH, | |
5085 | MLX4_CMD_TIME_CLASS_A, | |
5086 | MLX4_CMD_NATIVE); | |
5087 | ||
5088 | spin_lock_irq(mlx4_tlock(dev)); | |
5089 | rb_erase(&fs_rule->com.node, | |
5090 | &tracker->res_tree[RES_FS_RULE]); | |
5091 | list_del(&fs_rule->com.list); | |
5092 | spin_unlock_irq(mlx4_tlock(dev)); | |
461d5f1b | 5093 | kfree(fs_rule->mirr_mbox); |
1b9c6b06 HHZ |
5094 | kfree(fs_rule); |
5095 | state = 0; | |
5096 | break; | |
5097 | ||
5098 | default: | |
5099 | state = 0; | |
5100 | } | |
5101 | } | |
5102 | } | |
5103 | spin_lock_irq(mlx4_tlock(dev)); | |
5104 | } | |
5105 | spin_unlock_irq(mlx4_tlock(dev)); | |
5106 | } | |
5107 | ||
c82e9aa0 EC |
5108 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) |
5109 | { | |
5110 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5111 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
5112 | struct list_head *eq_list = | |
5113 | &tracker->slave_list[slave].res_list[RES_EQ]; | |
5114 | struct res_eq *eq; | |
5115 | struct res_eq *tmp; | |
5116 | int err; | |
5117 | int state; | |
5118 | LIST_HEAD(tlist); | |
5119 | int eqn; | |
c82e9aa0 EC |
5120 | |
5121 | err = move_all_busy(dev, slave, RES_EQ); | |
5122 | if (err) | |
1a91de28 JP |
5123 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n", |
5124 | slave); | |
c82e9aa0 EC |
5125 | |
5126 | spin_lock_irq(mlx4_tlock(dev)); | |
5127 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { | |
5128 | spin_unlock_irq(mlx4_tlock(dev)); | |
5129 | if (eq->com.owner == slave) { | |
5130 | eqn = eq->com.res_id; | |
5131 | state = eq->com.from_state; | |
5132 | while (state != 0) { | |
5133 | switch (state) { | |
5134 | case RES_EQ_RESERVED: | |
5135 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
5136 | rb_erase(&eq->com.node, |
5137 | &tracker->res_tree[RES_EQ]); | |
c82e9aa0 EC |
5138 | list_del(&eq->com.list); |
5139 | spin_unlock_irq(mlx4_tlock(dev)); | |
5140 | kfree(eq); | |
5141 | state = 0; | |
5142 | break; | |
5143 | ||
5144 | case RES_EQ_HW: | |
2d3c7397 | 5145 | err = mlx4_cmd(dev, slave, eqn & 0x3ff, |
30a5da5b JM |
5146 | 1, MLX4_CMD_HW2SW_EQ, |
5147 | MLX4_CMD_TIME_CLASS_A, | |
5148 | MLX4_CMD_NATIVE); | |
eb71d0d6 | 5149 | if (err) |
1a91de28 | 5150 | mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n", |
2d3c7397 | 5151 | slave, eqn & 0x3ff); |
eb71d0d6 JM |
5152 | atomic_dec(&eq->mtt->ref_count); |
5153 | state = RES_EQ_RESERVED; | |
c82e9aa0 EC |
5154 | break; |
5155 | ||
5156 | default: | |
5157 | state = 0; | |
5158 | } | |
5159 | } | |
5160 | } | |
5161 | spin_lock_irq(mlx4_tlock(dev)); | |
5162 | } | |
5163 | spin_unlock_irq(mlx4_tlock(dev)); | |
5164 | } | |
5165 | ||
ba062d52 JM |
5166 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
5167 | { | |
5168 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5169 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
5170 | struct list_head *counter_list = | |
5171 | &tracker->slave_list[slave].res_list[RES_COUNTER]; | |
5172 | struct res_counter *counter; | |
5173 | struct res_counter *tmp; | |
5174 | int err; | |
f5adbfee EBE |
5175 | int *counters_arr = NULL; |
5176 | int i, j; | |
ba062d52 JM |
5177 | |
5178 | err = move_all_busy(dev, slave, RES_COUNTER); | |
5179 | if (err) | |
1a91de28 JP |
5180 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n", |
5181 | slave); | |
ba062d52 | 5182 | |
f5adbfee EBE |
5183 | counters_arr = kmalloc_array(dev->caps.max_counters, |
5184 | sizeof(*counters_arr), GFP_KERNEL); | |
5185 | if (!counters_arr) | |
5186 | return; | |
5187 | ||
5188 | do { | |
5189 | i = 0; | |
5190 | j = 0; | |
5191 | spin_lock_irq(mlx4_tlock(dev)); | |
5192 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { | |
5193 | if (counter->com.owner == slave) { | |
5194 | counters_arr[i++] = counter->com.res_id; | |
5195 | rb_erase(&counter->com.node, | |
5196 | &tracker->res_tree[RES_COUNTER]); | |
5197 | list_del(&counter->com.list); | |
5198 | kfree(counter); | |
5199 | } | |
5200 | } | |
5201 | spin_unlock_irq(mlx4_tlock(dev)); | |
5202 | ||
5203 | while (j < i) { | |
5204 | __mlx4_counter_free(dev, counters_arr[j++]); | |
146f3ef4 | 5205 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 | 5206 | } |
f5adbfee EBE |
5207 | } while (i); |
5208 | ||
5209 | kfree(counters_arr); | |
ba062d52 JM |
5210 | } |
5211 | ||
5212 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) | |
5213 | { | |
5214 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5215 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
5216 | struct list_head *xrcdn_list = | |
5217 | &tracker->slave_list[slave].res_list[RES_XRCD]; | |
5218 | struct res_xrcdn *xrcd; | |
5219 | struct res_xrcdn *tmp; | |
5220 | int err; | |
5221 | int xrcdn; | |
5222 | ||
5223 | err = move_all_busy(dev, slave, RES_XRCD); | |
5224 | if (err) | |
1a91de28 JP |
5225 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n", |
5226 | slave); | |
ba062d52 JM |
5227 | |
5228 | spin_lock_irq(mlx4_tlock(dev)); | |
5229 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { | |
5230 | if (xrcd->com.owner == slave) { | |
5231 | xrcdn = xrcd->com.res_id; | |
4af1c048 | 5232 | rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); |
ba062d52 JM |
5233 | list_del(&xrcd->com.list); |
5234 | kfree(xrcd); | |
5235 | __mlx4_xrcd_free(dev, xrcdn); | |
5236 | } | |
5237 | } | |
5238 | spin_unlock_irq(mlx4_tlock(dev)); | |
5239 | } | |
5240 | ||
c82e9aa0 EC |
5241 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
5242 | { | |
5243 | struct mlx4_priv *priv = mlx4_priv(dev); | |
111c6094 | 5244 | mlx4_reset_roce_gids(dev, slave); |
c82e9aa0 | 5245 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
4874080d | 5246 | rem_slave_vlans(dev, slave); |
c82e9aa0 | 5247 | rem_slave_macs(dev, slave); |
80cb0021 | 5248 | rem_slave_fs_rule(dev, slave); |
c82e9aa0 EC |
5249 | rem_slave_qps(dev, slave); |
5250 | rem_slave_srqs(dev, slave); | |
5251 | rem_slave_cqs(dev, slave); | |
5252 | rem_slave_mrs(dev, slave); | |
5253 | rem_slave_eqs(dev, slave); | |
5254 | rem_slave_mtts(dev, slave); | |
ba062d52 JM |
5255 | rem_slave_counters(dev, slave); |
5256 | rem_slave_xrcdns(dev, slave); | |
c82e9aa0 EC |
5257 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
5258 | } | |
b01978ca | 5259 | |
269f9883 IS |
5260 | static void update_qos_vpp(struct mlx4_update_qp_context *ctx, |
5261 | struct mlx4_vf_immed_vlan_work *work) | |
5262 | { | |
5263 | ctx->qp_mask |= cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_QOS_VPP); | |
5264 | ctx->qp_context.qos_vport = work->qos_vport; | |
5265 | } | |
5266 | ||
b01978ca JM |
5267 | void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) |
5268 | { | |
5269 | struct mlx4_vf_immed_vlan_work *work = | |
5270 | container_of(_work, struct mlx4_vf_immed_vlan_work, work); | |
5271 | struct mlx4_cmd_mailbox *mailbox; | |
5272 | struct mlx4_update_qp_context *upd_context; | |
5273 | struct mlx4_dev *dev = &work->priv->dev; | |
5274 | struct mlx4_resource_tracker *tracker = | |
5275 | &work->priv->mfunc.master.res_tracker; | |
5276 | struct list_head *qp_list = | |
5277 | &tracker->slave_list[work->slave].res_list[RES_QP]; | |
5278 | struct res_qp *qp; | |
5279 | struct res_qp *tmp; | |
f0f829bf RE |
5280 | u64 qp_path_mask_vlan_ctrl = |
5281 | ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) | | |
b01978ca JM |
5282 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) | |
5283 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) | | |
5284 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) | | |
5285 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) | | |
f0f829bf RE |
5286 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED)); |
5287 | ||
5288 | u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) | | |
5289 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) | | |
5290 | (1ULL << MLX4_UPD_QP_PATH_MASK_CV) | | |
7c3d21c8 | 5291 | (1ULL << MLX4_UPD_QP_PATH_MASK_SV) | |
f0f829bf RE |
5292 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) | |
5293 | (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) | | |
5294 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) | | |
b01978ca JM |
5295 | (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE)); |
5296 | ||
5297 | int err; | |
5298 | int port, errors = 0; | |
5299 | u8 vlan_control; | |
5300 | ||
5301 | if (mlx4_is_slave(dev)) { | |
5302 | mlx4_warn(dev, "Trying to update-qp in slave %d\n", | |
5303 | work->slave); | |
5304 | goto out; | |
5305 | } | |
5306 | ||
5307 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
5308 | if (IS_ERR(mailbox)) | |
5309 | goto out; | |
0a6eac24 RE |
5310 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */ |
5311 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
5312 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
5313 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | | |
5314 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
5315 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | | |
5316 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
5317 | else if (!work->vlan_id) | |
b01978ca JM |
5318 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
5319 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
7c3d21c8 MS |
5320 | else if (work->vlan_proto == htons(ETH_P_8021AD)) |
5321 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
5322 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
5323 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
5324 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
5325 | else /* vst 802.1Q */ | |
b01978ca JM |
5326 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
5327 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
5328 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
5329 | ||
5330 | upd_context = mailbox->buf; | |
311be98a | 5331 | upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD); |
b01978ca JM |
5332 | |
5333 | spin_lock_irq(mlx4_tlock(dev)); | |
5334 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
5335 | spin_unlock_irq(mlx4_tlock(dev)); | |
5336 | if (qp->com.owner == work->slave) { | |
5337 | if (qp->com.from_state != RES_QP_HW || | |
5338 | !qp->sched_queue || /* no INIT2RTR trans yet */ | |
5339 | mlx4_is_qp_reserved(dev, qp->local_qpn) || | |
5340 | qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) { | |
5341 | spin_lock_irq(mlx4_tlock(dev)); | |
5342 | continue; | |
5343 | } | |
5344 | port = (qp->sched_queue >> 6 & 1) + 1; | |
5345 | if (port != work->port) { | |
5346 | spin_lock_irq(mlx4_tlock(dev)); | |
5347 | continue; | |
5348 | } | |
f0f829bf RE |
5349 | if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff)) |
5350 | upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask); | |
5351 | else | |
5352 | upd_context->primary_addr_path_mask = | |
5353 | cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl); | |
5354 | if (work->vlan_id == MLX4_VGT) { | |
5355 | upd_context->qp_context.param3 = qp->param3; | |
5356 | upd_context->qp_context.pri_path.vlan_control = qp->vlan_control; | |
5357 | upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx; | |
5358 | upd_context->qp_context.pri_path.vlan_index = qp->vlan_index; | |
5359 | upd_context->qp_context.pri_path.fl = qp->pri_path_fl; | |
5360 | upd_context->qp_context.pri_path.feup = qp->feup; | |
5361 | upd_context->qp_context.pri_path.sched_queue = | |
5362 | qp->sched_queue; | |
5363 | } else { | |
5364 | upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN); | |
5365 | upd_context->qp_context.pri_path.vlan_control = vlan_control; | |
5366 | upd_context->qp_context.pri_path.vlan_index = work->vlan_ix; | |
5367 | upd_context->qp_context.pri_path.fvl_rx = | |
5368 | qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN; | |
5369 | upd_context->qp_context.pri_path.fl = | |
7c3d21c8 MS |
5370 | qp->pri_path_fl | MLX4_FL_ETH_HIDE_CQE_VLAN; |
5371 | if (work->vlan_proto == htons(ETH_P_8021AD)) | |
5372 | upd_context->qp_context.pri_path.fl |= MLX4_FL_SV; | |
5373 | else | |
5374 | upd_context->qp_context.pri_path.fl |= MLX4_FL_CV; | |
f0f829bf RE |
5375 | upd_context->qp_context.pri_path.feup = |
5376 | qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; | |
5377 | upd_context->qp_context.pri_path.sched_queue = | |
5378 | qp->sched_queue & 0xC7; | |
5379 | upd_context->qp_context.pri_path.sched_queue |= | |
5380 | ((work->qos & 0x7) << 3); | |
269f9883 IS |
5381 | |
5382 | if (dev->caps.flags2 & | |
5383 | MLX4_DEV_CAP_FLAG2_QOS_VPP) | |
5384 | update_qos_vpp(upd_context, work); | |
f0f829bf | 5385 | } |
b01978ca JM |
5386 | |
5387 | err = mlx4_cmd(dev, mailbox->dma, | |
5388 | qp->local_qpn & 0xffffff, | |
5389 | 0, MLX4_CMD_UPDATE_QP, | |
5390 | MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
5391 | if (err) { | |
1a91de28 JP |
5392 | mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n", |
5393 | work->slave, port, qp->local_qpn, err); | |
b01978ca JM |
5394 | errors++; |
5395 | } | |
5396 | } | |
5397 | spin_lock_irq(mlx4_tlock(dev)); | |
5398 | } | |
5399 | spin_unlock_irq(mlx4_tlock(dev)); | |
5400 | mlx4_free_cmd_mailbox(dev, mailbox); | |
5401 | ||
5402 | if (errors) | |
5403 | mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n", | |
5404 | errors, work->slave, work->port); | |
5405 | ||
5406 | /* unregister previous vlan_id if needed and we had no errors | |
5407 | * while updating the QPs | |
5408 | */ | |
5409 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors && | |
5410 | NO_INDX != work->orig_vlan_ix) | |
5411 | __mlx4_unregister_vlan(&work->priv->dev, work->port, | |
2009d005 | 5412 | work->orig_vlan_id); |
b01978ca JM |
5413 | out: |
5414 | kfree(work); | |
5415 | return; | |
5416 | } |