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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" | |
49 | ||
50 | #define MLX4_MAC_VALID (1ull << 63) | |
c82e9aa0 EC |
51 | |
52 | struct mac_res { | |
53 | struct list_head list; | |
54 | u64 mac; | |
2f5bb473 JM |
55 | int ref_count; |
56 | u8 smac_index; | |
c82e9aa0 EC |
57 | u8 port; |
58 | }; | |
59 | ||
4874080d JM |
60 | struct vlan_res { |
61 | struct list_head list; | |
62 | u16 vlan; | |
63 | int ref_count; | |
64 | int vlan_index; | |
65 | u8 port; | |
66 | }; | |
67 | ||
c82e9aa0 EC |
68 | struct res_common { |
69 | struct list_head list; | |
4af1c048 | 70 | struct rb_node node; |
aa1ec3dd | 71 | u64 res_id; |
c82e9aa0 EC |
72 | int owner; |
73 | int state; | |
74 | int from_state; | |
75 | int to_state; | |
76 | int removing; | |
77 | }; | |
78 | ||
79 | enum { | |
80 | RES_ANY_BUSY = 1 | |
81 | }; | |
82 | ||
83 | struct res_gid { | |
84 | struct list_head list; | |
85 | u8 gid[16]; | |
86 | enum mlx4_protocol prot; | |
9f5b6c63 | 87 | enum mlx4_steer_type steer; |
fab1e24a | 88 | u64 reg_id; |
c82e9aa0 EC |
89 | }; |
90 | ||
91 | enum res_qp_states { | |
92 | RES_QP_BUSY = RES_ANY_BUSY, | |
93 | ||
94 | /* QP number was allocated */ | |
95 | RES_QP_RESERVED, | |
96 | ||
97 | /* ICM memory for QP context was mapped */ | |
98 | RES_QP_MAPPED, | |
99 | ||
100 | /* QP is in hw ownership */ | |
101 | RES_QP_HW | |
102 | }; | |
103 | ||
c82e9aa0 EC |
104 | struct res_qp { |
105 | struct res_common com; | |
106 | struct res_mtt *mtt; | |
107 | struct res_cq *rcq; | |
108 | struct res_cq *scq; | |
109 | struct res_srq *srq; | |
110 | struct list_head mcg_list; | |
111 | spinlock_t mcg_spl; | |
112 | int local_qpn; | |
2c473ae7 | 113 | atomic_t ref_count; |
b01978ca | 114 | u32 qpc_flags; |
f0f829bf | 115 | /* saved qp params before VST enforcement in order to restore on VGT */ |
b01978ca | 116 | u8 sched_queue; |
f0f829bf RE |
117 | __be32 param3; |
118 | u8 vlan_control; | |
119 | u8 fvl_rx; | |
120 | u8 pri_path_fl; | |
121 | u8 vlan_index; | |
122 | u8 feup; | |
c82e9aa0 EC |
123 | }; |
124 | ||
125 | enum res_mtt_states { | |
126 | RES_MTT_BUSY = RES_ANY_BUSY, | |
127 | RES_MTT_ALLOCATED, | |
128 | }; | |
129 | ||
130 | static inline const char *mtt_states_str(enum res_mtt_states state) | |
131 | { | |
132 | switch (state) { | |
133 | case RES_MTT_BUSY: return "RES_MTT_BUSY"; | |
134 | case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; | |
135 | default: return "Unknown"; | |
136 | } | |
137 | } | |
138 | ||
139 | struct res_mtt { | |
140 | struct res_common com; | |
141 | int order; | |
142 | atomic_t ref_count; | |
143 | }; | |
144 | ||
145 | enum res_mpt_states { | |
146 | RES_MPT_BUSY = RES_ANY_BUSY, | |
147 | RES_MPT_RESERVED, | |
148 | RES_MPT_MAPPED, | |
149 | RES_MPT_HW, | |
150 | }; | |
151 | ||
152 | struct res_mpt { | |
153 | struct res_common com; | |
154 | struct res_mtt *mtt; | |
155 | int key; | |
156 | }; | |
157 | ||
158 | enum res_eq_states { | |
159 | RES_EQ_BUSY = RES_ANY_BUSY, | |
160 | RES_EQ_RESERVED, | |
161 | RES_EQ_HW, | |
162 | }; | |
163 | ||
164 | struct res_eq { | |
165 | struct res_common com; | |
166 | struct res_mtt *mtt; | |
167 | }; | |
168 | ||
169 | enum res_cq_states { | |
170 | RES_CQ_BUSY = RES_ANY_BUSY, | |
171 | RES_CQ_ALLOCATED, | |
172 | RES_CQ_HW, | |
173 | }; | |
174 | ||
175 | struct res_cq { | |
176 | struct res_common com; | |
177 | struct res_mtt *mtt; | |
178 | atomic_t ref_count; | |
179 | }; | |
180 | ||
181 | enum res_srq_states { | |
182 | RES_SRQ_BUSY = RES_ANY_BUSY, | |
183 | RES_SRQ_ALLOCATED, | |
184 | RES_SRQ_HW, | |
185 | }; | |
186 | ||
c82e9aa0 EC |
187 | struct res_srq { |
188 | struct res_common com; | |
189 | struct res_mtt *mtt; | |
190 | struct res_cq *cq; | |
191 | atomic_t ref_count; | |
192 | }; | |
193 | ||
194 | enum res_counter_states { | |
195 | RES_COUNTER_BUSY = RES_ANY_BUSY, | |
196 | RES_COUNTER_ALLOCATED, | |
197 | }; | |
198 | ||
c82e9aa0 EC |
199 | struct res_counter { |
200 | struct res_common com; | |
201 | int port; | |
202 | }; | |
203 | ||
ba062d52 JM |
204 | enum res_xrcdn_states { |
205 | RES_XRCD_BUSY = RES_ANY_BUSY, | |
206 | RES_XRCD_ALLOCATED, | |
207 | }; | |
208 | ||
209 | struct res_xrcdn { | |
210 | struct res_common com; | |
211 | int port; | |
212 | }; | |
213 | ||
1b9c6b06 HHZ |
214 | enum res_fs_rule_states { |
215 | RES_FS_RULE_BUSY = RES_ANY_BUSY, | |
216 | RES_FS_RULE_ALLOCATED, | |
217 | }; | |
218 | ||
219 | struct res_fs_rule { | |
220 | struct res_common com; | |
2c473ae7 | 221 | int qpn; |
1b9c6b06 HHZ |
222 | }; |
223 | ||
4af1c048 HHZ |
224 | static void *res_tracker_lookup(struct rb_root *root, u64 res_id) |
225 | { | |
226 | struct rb_node *node = root->rb_node; | |
227 | ||
228 | while (node) { | |
229 | struct res_common *res = container_of(node, struct res_common, | |
230 | node); | |
231 | ||
232 | if (res_id < res->res_id) | |
233 | node = node->rb_left; | |
234 | else if (res_id > res->res_id) | |
235 | node = node->rb_right; | |
236 | else | |
237 | return res; | |
238 | } | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | static int res_tracker_insert(struct rb_root *root, struct res_common *res) | |
243 | { | |
244 | struct rb_node **new = &(root->rb_node), *parent = NULL; | |
245 | ||
246 | /* Figure out where to put new node */ | |
247 | while (*new) { | |
248 | struct res_common *this = container_of(*new, struct res_common, | |
249 | node); | |
250 | ||
251 | parent = *new; | |
252 | if (res->res_id < this->res_id) | |
253 | new = &((*new)->rb_left); | |
254 | else if (res->res_id > this->res_id) | |
255 | new = &((*new)->rb_right); | |
256 | else | |
257 | return -EEXIST; | |
258 | } | |
259 | ||
260 | /* Add new node and rebalance tree. */ | |
261 | rb_link_node(&res->node, parent, new); | |
262 | rb_insert_color(&res->node, root); | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
54679e14 JM |
267 | enum qp_transition { |
268 | QP_TRANS_INIT2RTR, | |
269 | QP_TRANS_RTR2RTS, | |
270 | QP_TRANS_RTS2RTS, | |
271 | QP_TRANS_SQERR2RTS, | |
272 | QP_TRANS_SQD2SQD, | |
273 | QP_TRANS_SQD2RTS | |
274 | }; | |
275 | ||
c82e9aa0 | 276 | /* For Debug uses */ |
95646373 | 277 | static const char *resource_str(enum mlx4_resource rt) |
c82e9aa0 EC |
278 | { |
279 | switch (rt) { | |
280 | case RES_QP: return "RES_QP"; | |
281 | case RES_CQ: return "RES_CQ"; | |
282 | case RES_SRQ: return "RES_SRQ"; | |
283 | case RES_MPT: return "RES_MPT"; | |
284 | case RES_MTT: return "RES_MTT"; | |
285 | case RES_MAC: return "RES_MAC"; | |
4874080d | 286 | case RES_VLAN: return "RES_VLAN"; |
c82e9aa0 EC |
287 | case RES_EQ: return "RES_EQ"; |
288 | case RES_COUNTER: return "RES_COUNTER"; | |
1b9c6b06 | 289 | case RES_FS_RULE: return "RES_FS_RULE"; |
ba062d52 | 290 | case RES_XRCD: return "RES_XRCD"; |
c82e9aa0 EC |
291 | default: return "Unknown resource type !!!"; |
292 | }; | |
293 | } | |
294 | ||
4874080d | 295 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave); |
146f3ef4 JM |
296 | static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave, |
297 | enum mlx4_resource res_type, int count, | |
298 | int port) | |
299 | { | |
300 | struct mlx4_priv *priv = mlx4_priv(dev); | |
301 | struct resource_allocator *res_alloc = | |
302 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; | |
303 | int err = -EINVAL; | |
304 | int allocated, free, reserved, guaranteed, from_free; | |
95646373 | 305 | int from_rsvd; |
146f3ef4 | 306 | |
872bf2fb | 307 | if (slave > dev->persist->num_vfs) |
146f3ef4 JM |
308 | return -EINVAL; |
309 | ||
310 | spin_lock(&res_alloc->alloc_lock); | |
311 | allocated = (port > 0) ? | |
872bf2fb YH |
312 | res_alloc->allocated[(port - 1) * |
313 | (dev->persist->num_vfs + 1) + slave] : | |
146f3ef4 JM |
314 | res_alloc->allocated[slave]; |
315 | free = (port > 0) ? res_alloc->res_port_free[port - 1] : | |
316 | res_alloc->res_free; | |
317 | reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] : | |
318 | res_alloc->res_reserved; | |
319 | guaranteed = res_alloc->guaranteed[slave]; | |
320 | ||
95646373 JM |
321 | if (allocated + count > res_alloc->quota[slave]) { |
322 | mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n", | |
323 | slave, port, resource_str(res_type), count, | |
324 | allocated, res_alloc->quota[slave]); | |
146f3ef4 | 325 | goto out; |
95646373 | 326 | } |
146f3ef4 JM |
327 | |
328 | if (allocated + count <= guaranteed) { | |
329 | err = 0; | |
95646373 | 330 | from_rsvd = count; |
146f3ef4 JM |
331 | } else { |
332 | /* portion may need to be obtained from free area */ | |
333 | if (guaranteed - allocated > 0) | |
334 | from_free = count - (guaranteed - allocated); | |
335 | else | |
336 | from_free = count; | |
337 | ||
95646373 JM |
338 | from_rsvd = count - from_free; |
339 | ||
340 | if (free - from_free >= reserved) | |
146f3ef4 | 341 | err = 0; |
95646373 JM |
342 | else |
343 | mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n", | |
344 | slave, port, resource_str(res_type), free, | |
345 | from_free, reserved); | |
146f3ef4 JM |
346 | } |
347 | ||
348 | if (!err) { | |
349 | /* grant the request */ | |
350 | if (port > 0) { | |
872bf2fb YH |
351 | res_alloc->allocated[(port - 1) * |
352 | (dev->persist->num_vfs + 1) + slave] += count; | |
146f3ef4 | 353 | res_alloc->res_port_free[port - 1] -= count; |
95646373 | 354 | res_alloc->res_port_rsvd[port - 1] -= from_rsvd; |
146f3ef4 JM |
355 | } else { |
356 | res_alloc->allocated[slave] += count; | |
357 | res_alloc->res_free -= count; | |
95646373 | 358 | res_alloc->res_reserved -= from_rsvd; |
146f3ef4 JM |
359 | } |
360 | } | |
361 | ||
362 | out: | |
363 | spin_unlock(&res_alloc->alloc_lock); | |
364 | return err; | |
365 | } | |
366 | ||
367 | static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave, | |
368 | enum mlx4_resource res_type, int count, | |
369 | int port) | |
370 | { | |
371 | struct mlx4_priv *priv = mlx4_priv(dev); | |
372 | struct resource_allocator *res_alloc = | |
373 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; | |
95646373 | 374 | int allocated, guaranteed, from_rsvd; |
146f3ef4 | 375 | |
872bf2fb | 376 | if (slave > dev->persist->num_vfs) |
146f3ef4 JM |
377 | return; |
378 | ||
379 | spin_lock(&res_alloc->alloc_lock); | |
95646373 JM |
380 | |
381 | allocated = (port > 0) ? | |
872bf2fb YH |
382 | res_alloc->allocated[(port - 1) * |
383 | (dev->persist->num_vfs + 1) + slave] : | |
95646373 JM |
384 | res_alloc->allocated[slave]; |
385 | guaranteed = res_alloc->guaranteed[slave]; | |
386 | ||
387 | if (allocated - count >= guaranteed) { | |
388 | from_rsvd = 0; | |
389 | } else { | |
390 | /* portion may need to be returned to reserved area */ | |
391 | if (allocated - guaranteed > 0) | |
392 | from_rsvd = count - (allocated - guaranteed); | |
393 | else | |
394 | from_rsvd = count; | |
395 | } | |
396 | ||
146f3ef4 | 397 | if (port > 0) { |
872bf2fb YH |
398 | res_alloc->allocated[(port - 1) * |
399 | (dev->persist->num_vfs + 1) + slave] -= count; | |
146f3ef4 | 400 | res_alloc->res_port_free[port - 1] += count; |
95646373 | 401 | res_alloc->res_port_rsvd[port - 1] += from_rsvd; |
146f3ef4 JM |
402 | } else { |
403 | res_alloc->allocated[slave] -= count; | |
404 | res_alloc->res_free += count; | |
95646373 | 405 | res_alloc->res_reserved += from_rsvd; |
146f3ef4 JM |
406 | } |
407 | ||
408 | spin_unlock(&res_alloc->alloc_lock); | |
409 | return; | |
410 | } | |
411 | ||
5a0d0a61 JM |
412 | static inline void initialize_res_quotas(struct mlx4_dev *dev, |
413 | struct resource_allocator *res_alloc, | |
414 | enum mlx4_resource res_type, | |
415 | int vf, int num_instances) | |
416 | { | |
872bf2fb YH |
417 | res_alloc->guaranteed[vf] = num_instances / |
418 | (2 * (dev->persist->num_vfs + 1)); | |
5a0d0a61 JM |
419 | res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf]; |
420 | if (vf == mlx4_master_func_num(dev)) { | |
421 | res_alloc->res_free = num_instances; | |
422 | if (res_type == RES_MTT) { | |
423 | /* reserved mtts will be taken out of the PF allocation */ | |
424 | res_alloc->res_free += dev->caps.reserved_mtts; | |
425 | res_alloc->guaranteed[vf] += dev->caps.reserved_mtts; | |
426 | res_alloc->quota[vf] += dev->caps.reserved_mtts; | |
427 | } | |
428 | } | |
429 | } | |
430 | ||
431 | void mlx4_init_quotas(struct mlx4_dev *dev) | |
432 | { | |
433 | struct mlx4_priv *priv = mlx4_priv(dev); | |
434 | int pf; | |
435 | ||
436 | /* quotas for VFs are initialized in mlx4_slave_cap */ | |
437 | if (mlx4_is_slave(dev)) | |
438 | return; | |
439 | ||
440 | if (!mlx4_is_mfunc(dev)) { | |
441 | dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps - | |
442 | mlx4_num_reserved_sqps(dev); | |
443 | dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs; | |
444 | dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs; | |
445 | dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts; | |
446 | dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws; | |
447 | return; | |
448 | } | |
449 | ||
450 | pf = mlx4_master_func_num(dev); | |
451 | dev->quotas.qp = | |
452 | priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf]; | |
453 | dev->quotas.cq = | |
454 | priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf]; | |
455 | dev->quotas.srq = | |
456 | priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf]; | |
457 | dev->quotas.mtt = | |
458 | priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf]; | |
459 | dev->quotas.mpt = | |
460 | priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; | |
461 | } | |
c82e9aa0 EC |
462 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
463 | { | |
464 | struct mlx4_priv *priv = mlx4_priv(dev); | |
5a0d0a61 | 465 | int i, j; |
c82e9aa0 EC |
466 | int t; |
467 | ||
468 | priv->mfunc.master.res_tracker.slave_list = | |
469 | kzalloc(dev->num_slaves * sizeof(struct slave_list), | |
470 | GFP_KERNEL); | |
471 | if (!priv->mfunc.master.res_tracker.slave_list) | |
472 | return -ENOMEM; | |
473 | ||
474 | for (i = 0 ; i < dev->num_slaves; i++) { | |
475 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) | |
476 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. | |
477 | slave_list[i].res_list[t]); | |
478 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
479 | } | |
480 | ||
481 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", | |
482 | dev->num_slaves); | |
483 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) | |
4af1c048 | 484 | priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; |
c82e9aa0 | 485 | |
5a0d0a61 JM |
486 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
487 | struct resource_allocator *res_alloc = | |
488 | &priv->mfunc.master.res_tracker.res_alloc[i]; | |
872bf2fb YH |
489 | res_alloc->quota = kmalloc((dev->persist->num_vfs + 1) * |
490 | sizeof(int), GFP_KERNEL); | |
491 | res_alloc->guaranteed = kmalloc((dev->persist->num_vfs + 1) * | |
492 | sizeof(int), GFP_KERNEL); | |
5a0d0a61 JM |
493 | if (i == RES_MAC || i == RES_VLAN) |
494 | res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * | |
872bf2fb YH |
495 | (dev->persist->num_vfs |
496 | + 1) * | |
497 | sizeof(int), GFP_KERNEL); | |
5a0d0a61 | 498 | else |
872bf2fb YH |
499 | res_alloc->allocated = kzalloc((dev->persist-> |
500 | num_vfs + 1) * | |
501 | sizeof(int), GFP_KERNEL); | |
5a0d0a61 JM |
502 | |
503 | if (!res_alloc->quota || !res_alloc->guaranteed || | |
504 | !res_alloc->allocated) | |
505 | goto no_mem_err; | |
506 | ||
146f3ef4 | 507 | spin_lock_init(&res_alloc->alloc_lock); |
872bf2fb | 508 | for (t = 0; t < dev->persist->num_vfs + 1; t++) { |
449fc488 MB |
509 | struct mlx4_active_ports actv_ports = |
510 | mlx4_get_active_ports(dev, t); | |
5a0d0a61 JM |
511 | switch (i) { |
512 | case RES_QP: | |
513 | initialize_res_quotas(dev, res_alloc, RES_QP, | |
514 | t, dev->caps.num_qps - | |
515 | dev->caps.reserved_qps - | |
516 | mlx4_num_reserved_sqps(dev)); | |
517 | break; | |
518 | case RES_CQ: | |
519 | initialize_res_quotas(dev, res_alloc, RES_CQ, | |
520 | t, dev->caps.num_cqs - | |
521 | dev->caps.reserved_cqs); | |
522 | break; | |
523 | case RES_SRQ: | |
524 | initialize_res_quotas(dev, res_alloc, RES_SRQ, | |
525 | t, dev->caps.num_srqs - | |
526 | dev->caps.reserved_srqs); | |
527 | break; | |
528 | case RES_MPT: | |
529 | initialize_res_quotas(dev, res_alloc, RES_MPT, | |
530 | t, dev->caps.num_mpts - | |
531 | dev->caps.reserved_mrws); | |
532 | break; | |
533 | case RES_MTT: | |
534 | initialize_res_quotas(dev, res_alloc, RES_MTT, | |
535 | t, dev->caps.num_mtts - | |
536 | dev->caps.reserved_mtts); | |
537 | break; | |
538 | case RES_MAC: | |
539 | if (t == mlx4_master_func_num(dev)) { | |
449fc488 MB |
540 | int max_vfs_pport = 0; |
541 | /* Calculate the max vfs per port for */ | |
542 | /* both ports. */ | |
543 | for (j = 0; j < dev->caps.num_ports; | |
544 | j++) { | |
545 | struct mlx4_slaves_pport slaves_pport = | |
546 | mlx4_phys_to_slaves_pport(dev, j + 1); | |
547 | unsigned current_slaves = | |
548 | bitmap_weight(slaves_pport.slaves, | |
549 | dev->caps.num_ports) - 1; | |
550 | if (max_vfs_pport < current_slaves) | |
551 | max_vfs_pport = | |
552 | current_slaves; | |
553 | } | |
554 | res_alloc->quota[t] = | |
555 | MLX4_MAX_MAC_NUM - | |
556 | 2 * max_vfs_pport; | |
5a0d0a61 JM |
557 | res_alloc->guaranteed[t] = 2; |
558 | for (j = 0; j < MLX4_MAX_PORTS; j++) | |
449fc488 MB |
559 | res_alloc->res_port_free[j] = |
560 | MLX4_MAX_MAC_NUM; | |
5a0d0a61 JM |
561 | } else { |
562 | res_alloc->quota[t] = MLX4_MAX_MAC_NUM; | |
563 | res_alloc->guaranteed[t] = 2; | |
564 | } | |
565 | break; | |
566 | case RES_VLAN: | |
567 | if (t == mlx4_master_func_num(dev)) { | |
568 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM; | |
569 | res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2; | |
570 | for (j = 0; j < MLX4_MAX_PORTS; j++) | |
571 | res_alloc->res_port_free[j] = | |
572 | res_alloc->quota[t]; | |
573 | } else { | |
574 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2; | |
575 | res_alloc->guaranteed[t] = 0; | |
576 | } | |
577 | break; | |
578 | case RES_COUNTER: | |
579 | res_alloc->quota[t] = dev->caps.max_counters; | |
580 | res_alloc->guaranteed[t] = 0; | |
581 | if (t == mlx4_master_func_num(dev)) | |
582 | res_alloc->res_free = res_alloc->quota[t]; | |
583 | break; | |
584 | default: | |
585 | break; | |
586 | } | |
587 | if (i == RES_MAC || i == RES_VLAN) { | |
449fc488 MB |
588 | for (j = 0; j < dev->caps.num_ports; j++) |
589 | if (test_bit(j, actv_ports.ports)) | |
590 | res_alloc->res_port_rsvd[j] += | |
591 | res_alloc->guaranteed[t]; | |
5a0d0a61 JM |
592 | } else { |
593 | res_alloc->res_reserved += res_alloc->guaranteed[t]; | |
594 | } | |
595 | } | |
596 | } | |
c82e9aa0 | 597 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); |
5a0d0a61 JM |
598 | return 0; |
599 | ||
600 | no_mem_err: | |
601 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { | |
602 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); | |
603 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; | |
604 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); | |
605 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; | |
606 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); | |
607 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; | |
608 | } | |
609 | return -ENOMEM; | |
c82e9aa0 EC |
610 | } |
611 | ||
b8924951 JM |
612 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
613 | enum mlx4_res_tracker_free_type type) | |
c82e9aa0 EC |
614 | { |
615 | struct mlx4_priv *priv = mlx4_priv(dev); | |
616 | int i; | |
617 | ||
618 | if (priv->mfunc.master.res_tracker.slave_list) { | |
4874080d JM |
619 | if (type != RES_TR_FREE_STRUCTS_ONLY) { |
620 | for (i = 0; i < dev->num_slaves; i++) { | |
b8924951 JM |
621 | if (type == RES_TR_FREE_ALL || |
622 | dev->caps.function != i) | |
623 | mlx4_delete_all_resources_for_slave(dev, i); | |
4874080d JM |
624 | } |
625 | /* free master's vlans */ | |
626 | i = dev->caps.function; | |
111c6094 | 627 | mlx4_reset_roce_gids(dev, i); |
4874080d JM |
628 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
629 | rem_slave_vlans(dev, i); | |
630 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); | |
631 | } | |
b8924951 JM |
632 | |
633 | if (type != RES_TR_FREE_SLAVES_ONLY) { | |
5a0d0a61 JM |
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 | } | |
b8924951 JM |
642 | kfree(priv->mfunc.master.res_tracker.slave_list); |
643 | priv->mfunc.master.res_tracker.slave_list = NULL; | |
644 | } | |
c82e9aa0 EC |
645 | } |
646 | } | |
647 | ||
54679e14 JM |
648 | static void update_pkey_index(struct mlx4_dev *dev, int slave, |
649 | struct mlx4_cmd_mailbox *inbox) | |
c82e9aa0 | 650 | { |
54679e14 JM |
651 | u8 sched = *(u8 *)(inbox->buf + 64); |
652 | u8 orig_index = *(u8 *)(inbox->buf + 35); | |
653 | u8 new_index; | |
654 | struct mlx4_priv *priv = mlx4_priv(dev); | |
655 | int port; | |
656 | ||
657 | port = (sched >> 6 & 1) + 1; | |
658 | ||
659 | new_index = priv->virt2phys_pkey[slave][port - 1][orig_index]; | |
660 | *(u8 *)(inbox->buf + 35) = new_index; | |
54679e14 JM |
661 | } |
662 | ||
663 | static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, | |
664 | u8 slave) | |
665 | { | |
666 | struct mlx4_qp_context *qp_ctx = inbox->buf + 8; | |
667 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf); | |
668 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
b6ffaeff | 669 | int port; |
c82e9aa0 | 670 | |
b6ffaeff JM |
671 | if (MLX4_QP_ST_UD == ts) { |
672 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
673 | if (mlx4_is_eth(dev, port)) | |
449fc488 MB |
674 | qp_ctx->pri_path.mgid_index = |
675 | mlx4_get_base_gid_ix(dev, slave, port) | 0x80; | |
b6ffaeff JM |
676 | else |
677 | qp_ctx->pri_path.mgid_index = slave | 0x80; | |
678 | ||
679 | } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) { | |
680 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { | |
681 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
682 | if (mlx4_is_eth(dev, port)) { | |
449fc488 MB |
683 | qp_ctx->pri_path.mgid_index += |
684 | mlx4_get_base_gid_ix(dev, slave, port); | |
b6ffaeff JM |
685 | qp_ctx->pri_path.mgid_index &= 0x7f; |
686 | } else { | |
687 | qp_ctx->pri_path.mgid_index = slave & 0x7F; | |
688 | } | |
689 | } | |
690 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
691 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; | |
692 | if (mlx4_is_eth(dev, port)) { | |
449fc488 MB |
693 | qp_ctx->alt_path.mgid_index += |
694 | mlx4_get_base_gid_ix(dev, slave, port); | |
b6ffaeff JM |
695 | qp_ctx->alt_path.mgid_index &= 0x7f; |
696 | } else { | |
697 | qp_ctx->alt_path.mgid_index = slave & 0x7F; | |
698 | } | |
699 | } | |
54679e14 | 700 | } |
c82e9aa0 EC |
701 | } |
702 | ||
3f7fb021 RE |
703 | static int update_vport_qp_param(struct mlx4_dev *dev, |
704 | struct mlx4_cmd_mailbox *inbox, | |
b01978ca | 705 | u8 slave, u32 qpn) |
3f7fb021 RE |
706 | { |
707 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
708 | struct mlx4_vport_oper_state *vp_oper; | |
709 | struct mlx4_priv *priv; | |
09e05c3f | 710 | u32 qp_type; |
f5956faf | 711 | int port, err = 0; |
3f7fb021 RE |
712 | |
713 | port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; | |
714 | priv = mlx4_priv(dev); | |
715 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; | |
09e05c3f | 716 | qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
3f7fb021 RE |
717 | |
718 | if (MLX4_VGT != vp_oper->state.default_vlan) { | |
b01978ca JM |
719 | /* the reserved QPs (special, proxy, tunnel) |
720 | * do not operate over vlans | |
721 | */ | |
722 | if (mlx4_is_qp_reserved(dev, qpn)) | |
723 | return 0; | |
724 | ||
09e05c3f MB |
725 | /* force strip vlan by clear vsd, MLX QP refers to Raw Ethernet */ |
726 | if (qp_type == MLX4_QP_ST_UD || | |
727 | (qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) { | |
728 | if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) { | |
729 | *(__be32 *)inbox->buf = | |
730 | cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) | | |
731 | MLX4_QP_OPTPAR_VLAN_STRIPPING); | |
732 | qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); | |
733 | } else { | |
734 | struct mlx4_update_qp_params params = {.flags = 0}; | |
735 | ||
f5956faf OG |
736 | err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms); |
737 | if (err) | |
738 | goto out; | |
09e05c3f MB |
739 | } |
740 | } | |
0a6eac24 RE |
741 | |
742 | if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE && | |
743 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) { | |
744 | qpc->pri_path.vlan_control = | |
745 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
746 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
747 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | | |
748 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
749 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | | |
750 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
751 | } else if (0 != vp_oper->state.default_vlan) { | |
7677fc96 RE |
752 | qpc->pri_path.vlan_control = |
753 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
754 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
755 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
756 | } else { /* priority tagged */ | |
757 | qpc->pri_path.vlan_control = | |
758 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
759 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
760 | } | |
761 | ||
762 | qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN; | |
3f7fb021 | 763 | qpc->pri_path.vlan_index = vp_oper->vlan_idx; |
7677fc96 RE |
764 | qpc->pri_path.fl |= MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
765 | qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; | |
3f7fb021 RE |
766 | qpc->pri_path.sched_queue &= 0xC7; |
767 | qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3; | |
08068cd5 | 768 | qpc->qos_vport = vp_oper->state.qos_vport; |
3f7fb021 | 769 | } |
e6b6a231 | 770 | if (vp_oper->state.spoofchk) { |
7677fc96 | 771 | qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC; |
e6b6a231 | 772 | qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx; |
e6b6a231 | 773 | } |
f5956faf OG |
774 | out: |
775 | return err; | |
3f7fb021 RE |
776 | } |
777 | ||
c82e9aa0 EC |
778 | static int mpt_mask(struct mlx4_dev *dev) |
779 | { | |
780 | return dev->caps.num_mpts - 1; | |
781 | } | |
782 | ||
1e3f7b32 | 783 | static void *find_res(struct mlx4_dev *dev, u64 res_id, |
c82e9aa0 EC |
784 | enum mlx4_resource type) |
785 | { | |
786 | struct mlx4_priv *priv = mlx4_priv(dev); | |
787 | ||
4af1c048 HHZ |
788 | return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], |
789 | res_id); | |
c82e9aa0 EC |
790 | } |
791 | ||
aa1ec3dd | 792 | static int get_res(struct mlx4_dev *dev, int slave, u64 res_id, |
c82e9aa0 EC |
793 | enum mlx4_resource type, |
794 | void *res) | |
795 | { | |
796 | struct res_common *r; | |
797 | int err = 0; | |
798 | ||
799 | spin_lock_irq(mlx4_tlock(dev)); | |
800 | r = find_res(dev, res_id, type); | |
801 | if (!r) { | |
802 | err = -ENONET; | |
803 | goto exit; | |
804 | } | |
805 | ||
806 | if (r->state == RES_ANY_BUSY) { | |
807 | err = -EBUSY; | |
808 | goto exit; | |
809 | } | |
810 | ||
811 | if (r->owner != slave) { | |
812 | err = -EPERM; | |
813 | goto exit; | |
814 | } | |
815 | ||
816 | r->from_state = r->state; | |
817 | r->state = RES_ANY_BUSY; | |
c82e9aa0 EC |
818 | |
819 | if (res) | |
820 | *((struct res_common **)res) = r; | |
821 | ||
822 | exit: | |
823 | spin_unlock_irq(mlx4_tlock(dev)); | |
824 | return err; | |
825 | } | |
826 | ||
827 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, | |
828 | enum mlx4_resource type, | |
aa1ec3dd | 829 | u64 res_id, int *slave) |
c82e9aa0 EC |
830 | { |
831 | ||
832 | struct res_common *r; | |
833 | int err = -ENOENT; | |
834 | int id = res_id; | |
835 | ||
836 | if (type == RES_QP) | |
837 | id &= 0x7fffff; | |
996b0541 | 838 | spin_lock(mlx4_tlock(dev)); |
c82e9aa0 EC |
839 | |
840 | r = find_res(dev, id, type); | |
841 | if (r) { | |
842 | *slave = r->owner; | |
843 | err = 0; | |
844 | } | |
996b0541 | 845 | spin_unlock(mlx4_tlock(dev)); |
c82e9aa0 EC |
846 | |
847 | return err; | |
848 | } | |
849 | ||
aa1ec3dd | 850 | static void put_res(struct mlx4_dev *dev, int slave, u64 res_id, |
c82e9aa0 EC |
851 | enum mlx4_resource type) |
852 | { | |
853 | struct res_common *r; | |
854 | ||
855 | spin_lock_irq(mlx4_tlock(dev)); | |
856 | r = find_res(dev, res_id, type); | |
857 | if (r) | |
858 | r->state = r->from_state; | |
859 | spin_unlock_irq(mlx4_tlock(dev)); | |
860 | } | |
861 | ||
862 | static struct res_common *alloc_qp_tr(int id) | |
863 | { | |
864 | struct res_qp *ret; | |
865 | ||
866 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
867 | if (!ret) | |
868 | return NULL; | |
869 | ||
870 | ret->com.res_id = id; | |
871 | ret->com.state = RES_QP_RESERVED; | |
2531188b | 872 | ret->local_qpn = id; |
c82e9aa0 EC |
873 | INIT_LIST_HEAD(&ret->mcg_list); |
874 | spin_lock_init(&ret->mcg_spl); | |
2c473ae7 | 875 | atomic_set(&ret->ref_count, 0); |
c82e9aa0 EC |
876 | |
877 | return &ret->com; | |
878 | } | |
879 | ||
880 | static struct res_common *alloc_mtt_tr(int id, int order) | |
881 | { | |
882 | struct res_mtt *ret; | |
883 | ||
884 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
885 | if (!ret) | |
886 | return NULL; | |
887 | ||
888 | ret->com.res_id = id; | |
889 | ret->order = order; | |
890 | ret->com.state = RES_MTT_ALLOCATED; | |
891 | atomic_set(&ret->ref_count, 0); | |
892 | ||
893 | return &ret->com; | |
894 | } | |
895 | ||
896 | static struct res_common *alloc_mpt_tr(int id, int key) | |
897 | { | |
898 | struct res_mpt *ret; | |
899 | ||
900 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
901 | if (!ret) | |
902 | return NULL; | |
903 | ||
904 | ret->com.res_id = id; | |
905 | ret->com.state = RES_MPT_RESERVED; | |
906 | ret->key = key; | |
907 | ||
908 | return &ret->com; | |
909 | } | |
910 | ||
911 | static struct res_common *alloc_eq_tr(int id) | |
912 | { | |
913 | struct res_eq *ret; | |
914 | ||
915 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
916 | if (!ret) | |
917 | return NULL; | |
918 | ||
919 | ret->com.res_id = id; | |
920 | ret->com.state = RES_EQ_RESERVED; | |
921 | ||
922 | return &ret->com; | |
923 | } | |
924 | ||
925 | static struct res_common *alloc_cq_tr(int id) | |
926 | { | |
927 | struct res_cq *ret; | |
928 | ||
929 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
930 | if (!ret) | |
931 | return NULL; | |
932 | ||
933 | ret->com.res_id = id; | |
934 | ret->com.state = RES_CQ_ALLOCATED; | |
935 | atomic_set(&ret->ref_count, 0); | |
936 | ||
937 | return &ret->com; | |
938 | } | |
939 | ||
940 | static struct res_common *alloc_srq_tr(int id) | |
941 | { | |
942 | struct res_srq *ret; | |
943 | ||
944 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
945 | if (!ret) | |
946 | return NULL; | |
947 | ||
948 | ret->com.res_id = id; | |
949 | ret->com.state = RES_SRQ_ALLOCATED; | |
950 | atomic_set(&ret->ref_count, 0); | |
951 | ||
952 | return &ret->com; | |
953 | } | |
954 | ||
955 | static struct res_common *alloc_counter_tr(int id) | |
956 | { | |
957 | struct res_counter *ret; | |
958 | ||
959 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
960 | if (!ret) | |
961 | return NULL; | |
962 | ||
963 | ret->com.res_id = id; | |
964 | ret->com.state = RES_COUNTER_ALLOCATED; | |
965 | ||
966 | return &ret->com; | |
967 | } | |
968 | ||
ba062d52 JM |
969 | static struct res_common *alloc_xrcdn_tr(int id) |
970 | { | |
971 | struct res_xrcdn *ret; | |
972 | ||
973 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
974 | if (!ret) | |
975 | return NULL; | |
976 | ||
977 | ret->com.res_id = id; | |
978 | ret->com.state = RES_XRCD_ALLOCATED; | |
979 | ||
980 | return &ret->com; | |
981 | } | |
982 | ||
2c473ae7 | 983 | static struct res_common *alloc_fs_rule_tr(u64 id, int qpn) |
1b9c6b06 HHZ |
984 | { |
985 | struct res_fs_rule *ret; | |
986 | ||
987 | ret = kzalloc(sizeof *ret, GFP_KERNEL); | |
988 | if (!ret) | |
989 | return NULL; | |
990 | ||
991 | ret->com.res_id = id; | |
992 | ret->com.state = RES_FS_RULE_ALLOCATED; | |
2c473ae7 | 993 | ret->qpn = qpn; |
1b9c6b06 HHZ |
994 | return &ret->com; |
995 | } | |
996 | ||
aa1ec3dd | 997 | static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, |
c82e9aa0 EC |
998 | int extra) |
999 | { | |
1000 | struct res_common *ret; | |
1001 | ||
1002 | switch (type) { | |
1003 | case RES_QP: | |
1004 | ret = alloc_qp_tr(id); | |
1005 | break; | |
1006 | case RES_MPT: | |
1007 | ret = alloc_mpt_tr(id, extra); | |
1008 | break; | |
1009 | case RES_MTT: | |
1010 | ret = alloc_mtt_tr(id, extra); | |
1011 | break; | |
1012 | case RES_EQ: | |
1013 | ret = alloc_eq_tr(id); | |
1014 | break; | |
1015 | case RES_CQ: | |
1016 | ret = alloc_cq_tr(id); | |
1017 | break; | |
1018 | case RES_SRQ: | |
1019 | ret = alloc_srq_tr(id); | |
1020 | break; | |
1021 | case RES_MAC: | |
c20862c8 | 1022 | pr_err("implementation missing\n"); |
c82e9aa0 EC |
1023 | return NULL; |
1024 | case RES_COUNTER: | |
1025 | ret = alloc_counter_tr(id); | |
1026 | break; | |
ba062d52 JM |
1027 | case RES_XRCD: |
1028 | ret = alloc_xrcdn_tr(id); | |
1029 | break; | |
1b9c6b06 | 1030 | case RES_FS_RULE: |
2c473ae7 | 1031 | ret = alloc_fs_rule_tr(id, extra); |
1b9c6b06 | 1032 | break; |
c82e9aa0 EC |
1033 | default: |
1034 | return NULL; | |
1035 | } | |
1036 | if (ret) | |
1037 | ret->owner = slave; | |
1038 | ||
1039 | return ret; | |
1040 | } | |
1041 | ||
aa1ec3dd | 1042 | static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
1043 | enum mlx4_resource type, int extra) |
1044 | { | |
1045 | int i; | |
1046 | int err; | |
1047 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1048 | struct res_common **res_arr; | |
1049 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4af1c048 | 1050 | struct rb_root *root = &tracker->res_tree[type]; |
c82e9aa0 EC |
1051 | |
1052 | res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL); | |
1053 | if (!res_arr) | |
1054 | return -ENOMEM; | |
1055 | ||
1056 | for (i = 0; i < count; ++i) { | |
1057 | res_arr[i] = alloc_tr(base + i, type, slave, extra); | |
1058 | if (!res_arr[i]) { | |
1059 | for (--i; i >= 0; --i) | |
1060 | kfree(res_arr[i]); | |
1061 | ||
1062 | kfree(res_arr); | |
1063 | return -ENOMEM; | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | spin_lock_irq(mlx4_tlock(dev)); | |
1068 | for (i = 0; i < count; ++i) { | |
1069 | if (find_res(dev, base + i, type)) { | |
1070 | err = -EEXIST; | |
1071 | goto undo; | |
1072 | } | |
4af1c048 | 1073 | err = res_tracker_insert(root, res_arr[i]); |
c82e9aa0 EC |
1074 | if (err) |
1075 | goto undo; | |
1076 | list_add_tail(&res_arr[i]->list, | |
1077 | &tracker->slave_list[slave].res_list[type]); | |
1078 | } | |
1079 | spin_unlock_irq(mlx4_tlock(dev)); | |
1080 | kfree(res_arr); | |
1081 | ||
1082 | return 0; | |
1083 | ||
1084 | undo: | |
1085 | for (--i; i >= base; --i) | |
4af1c048 | 1086 | rb_erase(&res_arr[i]->node, root); |
c82e9aa0 EC |
1087 | |
1088 | spin_unlock_irq(mlx4_tlock(dev)); | |
1089 | ||
1090 | for (i = 0; i < count; ++i) | |
1091 | kfree(res_arr[i]); | |
1092 | ||
1093 | kfree(res_arr); | |
1094 | ||
1095 | return err; | |
1096 | } | |
1097 | ||
1098 | static int remove_qp_ok(struct res_qp *res) | |
1099 | { | |
2c473ae7 HHZ |
1100 | if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || |
1101 | !list_empty(&res->mcg_list)) { | |
1102 | pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", | |
1103 | res->com.state, atomic_read(&res->ref_count)); | |
c82e9aa0 | 1104 | return -EBUSY; |
2c473ae7 | 1105 | } else if (res->com.state != RES_QP_RESERVED) { |
c82e9aa0 | 1106 | return -EPERM; |
2c473ae7 | 1107 | } |
c82e9aa0 EC |
1108 | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | static int remove_mtt_ok(struct res_mtt *res, int order) | |
1113 | { | |
1114 | if (res->com.state == RES_MTT_BUSY || | |
1115 | atomic_read(&res->ref_count)) { | |
c20862c8 AV |
1116 | pr_devel("%s-%d: state %s, ref_count %d\n", |
1117 | __func__, __LINE__, | |
1118 | mtt_states_str(res->com.state), | |
1119 | atomic_read(&res->ref_count)); | |
c82e9aa0 EC |
1120 | return -EBUSY; |
1121 | } else if (res->com.state != RES_MTT_ALLOCATED) | |
1122 | return -EPERM; | |
1123 | else if (res->order != order) | |
1124 | return -EINVAL; | |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | static int remove_mpt_ok(struct res_mpt *res) | |
1130 | { | |
1131 | if (res->com.state == RES_MPT_BUSY) | |
1132 | return -EBUSY; | |
1133 | else if (res->com.state != RES_MPT_RESERVED) | |
1134 | return -EPERM; | |
1135 | ||
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | static int remove_eq_ok(struct res_eq *res) | |
1140 | { | |
1141 | if (res->com.state == RES_MPT_BUSY) | |
1142 | return -EBUSY; | |
1143 | else if (res->com.state != RES_MPT_RESERVED) | |
1144 | return -EPERM; | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | static int remove_counter_ok(struct res_counter *res) | |
1150 | { | |
1151 | if (res->com.state == RES_COUNTER_BUSY) | |
1152 | return -EBUSY; | |
1153 | else if (res->com.state != RES_COUNTER_ALLOCATED) | |
1154 | return -EPERM; | |
1155 | ||
1156 | return 0; | |
1157 | } | |
1158 | ||
ba062d52 JM |
1159 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
1160 | { | |
1161 | if (res->com.state == RES_XRCD_BUSY) | |
1162 | return -EBUSY; | |
1163 | else if (res->com.state != RES_XRCD_ALLOCATED) | |
1164 | return -EPERM; | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1b9c6b06 HHZ |
1169 | static int remove_fs_rule_ok(struct res_fs_rule *res) |
1170 | { | |
1171 | if (res->com.state == RES_FS_RULE_BUSY) | |
1172 | return -EBUSY; | |
1173 | else if (res->com.state != RES_FS_RULE_ALLOCATED) | |
1174 | return -EPERM; | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | ||
c82e9aa0 EC |
1179 | static int remove_cq_ok(struct res_cq *res) |
1180 | { | |
1181 | if (res->com.state == RES_CQ_BUSY) | |
1182 | return -EBUSY; | |
1183 | else if (res->com.state != RES_CQ_ALLOCATED) | |
1184 | return -EPERM; | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | static int remove_srq_ok(struct res_srq *res) | |
1190 | { | |
1191 | if (res->com.state == RES_SRQ_BUSY) | |
1192 | return -EBUSY; | |
1193 | else if (res->com.state != RES_SRQ_ALLOCATED) | |
1194 | return -EPERM; | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) | |
1200 | { | |
1201 | switch (type) { | |
1202 | case RES_QP: | |
1203 | return remove_qp_ok((struct res_qp *)res); | |
1204 | case RES_CQ: | |
1205 | return remove_cq_ok((struct res_cq *)res); | |
1206 | case RES_SRQ: | |
1207 | return remove_srq_ok((struct res_srq *)res); | |
1208 | case RES_MPT: | |
1209 | return remove_mpt_ok((struct res_mpt *)res); | |
1210 | case RES_MTT: | |
1211 | return remove_mtt_ok((struct res_mtt *)res, extra); | |
1212 | case RES_MAC: | |
1213 | return -ENOSYS; | |
1214 | case RES_EQ: | |
1215 | return remove_eq_ok((struct res_eq *)res); | |
1216 | case RES_COUNTER: | |
1217 | return remove_counter_ok((struct res_counter *)res); | |
ba062d52 JM |
1218 | case RES_XRCD: |
1219 | return remove_xrcdn_ok((struct res_xrcdn *)res); | |
1b9c6b06 HHZ |
1220 | case RES_FS_RULE: |
1221 | return remove_fs_rule_ok((struct res_fs_rule *)res); | |
c82e9aa0 EC |
1222 | default: |
1223 | return -EINVAL; | |
1224 | } | |
1225 | } | |
1226 | ||
aa1ec3dd | 1227 | static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
c82e9aa0 EC |
1228 | enum mlx4_resource type, int extra) |
1229 | { | |
aa1ec3dd | 1230 | u64 i; |
c82e9aa0 EC |
1231 | int err; |
1232 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1233 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1234 | struct res_common *r; | |
1235 | ||
1236 | spin_lock_irq(mlx4_tlock(dev)); | |
1237 | for (i = base; i < base + count; ++i) { | |
4af1c048 | 1238 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
c82e9aa0 EC |
1239 | if (!r) { |
1240 | err = -ENOENT; | |
1241 | goto out; | |
1242 | } | |
1243 | if (r->owner != slave) { | |
1244 | err = -EPERM; | |
1245 | goto out; | |
1246 | } | |
1247 | err = remove_ok(r, type, extra); | |
1248 | if (err) | |
1249 | goto out; | |
1250 | } | |
1251 | ||
1252 | for (i = base; i < base + count; ++i) { | |
4af1c048 HHZ |
1253 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
1254 | rb_erase(&r->node, &tracker->res_tree[type]); | |
c82e9aa0 EC |
1255 | list_del(&r->list); |
1256 | kfree(r); | |
1257 | } | |
1258 | err = 0; | |
1259 | ||
1260 | out: | |
1261 | spin_unlock_irq(mlx4_tlock(dev)); | |
1262 | ||
1263 | return err; | |
1264 | } | |
1265 | ||
1266 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, | |
1267 | enum res_qp_states state, struct res_qp **qp, | |
1268 | int alloc) | |
1269 | { | |
1270 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1271 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1272 | struct res_qp *r; | |
1273 | int err = 0; | |
1274 | ||
1275 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1276 | r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); |
c82e9aa0 EC |
1277 | if (!r) |
1278 | err = -ENOENT; | |
1279 | else if (r->com.owner != slave) | |
1280 | err = -EPERM; | |
1281 | else { | |
1282 | switch (state) { | |
1283 | case RES_QP_BUSY: | |
aa1ec3dd | 1284 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
1285 | __func__, r->com.res_id); |
1286 | err = -EBUSY; | |
1287 | break; | |
1288 | ||
1289 | case RES_QP_RESERVED: | |
1290 | if (r->com.state == RES_QP_MAPPED && !alloc) | |
1291 | break; | |
1292 | ||
aa1ec3dd | 1293 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); |
c82e9aa0 EC |
1294 | err = -EINVAL; |
1295 | break; | |
1296 | ||
1297 | case RES_QP_MAPPED: | |
1298 | if ((r->com.state == RES_QP_RESERVED && alloc) || | |
1299 | r->com.state == RES_QP_HW) | |
1300 | break; | |
1301 | else { | |
aa1ec3dd | 1302 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", |
c82e9aa0 EC |
1303 | r->com.res_id); |
1304 | err = -EINVAL; | |
1305 | } | |
1306 | ||
1307 | break; | |
1308 | ||
1309 | case RES_QP_HW: | |
1310 | if (r->com.state != RES_QP_MAPPED) | |
1311 | err = -EINVAL; | |
1312 | break; | |
1313 | default: | |
1314 | err = -EINVAL; | |
1315 | } | |
1316 | ||
1317 | if (!err) { | |
1318 | r->com.from_state = r->com.state; | |
1319 | r->com.to_state = state; | |
1320 | r->com.state = RES_QP_BUSY; | |
1321 | if (qp) | |
64699336 | 1322 | *qp = r; |
c82e9aa0 EC |
1323 | } |
1324 | } | |
1325 | ||
1326 | spin_unlock_irq(mlx4_tlock(dev)); | |
1327 | ||
1328 | return err; | |
1329 | } | |
1330 | ||
1331 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
1332 | enum res_mpt_states state, struct res_mpt **mpt) | |
1333 | { | |
1334 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1335 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1336 | struct res_mpt *r; | |
1337 | int err = 0; | |
1338 | ||
1339 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1340 | r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); |
c82e9aa0 EC |
1341 | if (!r) |
1342 | err = -ENOENT; | |
1343 | else if (r->com.owner != slave) | |
1344 | err = -EPERM; | |
1345 | else { | |
1346 | switch (state) { | |
1347 | case RES_MPT_BUSY: | |
1348 | err = -EINVAL; | |
1349 | break; | |
1350 | ||
1351 | case RES_MPT_RESERVED: | |
1352 | if (r->com.state != RES_MPT_MAPPED) | |
1353 | err = -EINVAL; | |
1354 | break; | |
1355 | ||
1356 | case RES_MPT_MAPPED: | |
1357 | if (r->com.state != RES_MPT_RESERVED && | |
1358 | r->com.state != RES_MPT_HW) | |
1359 | err = -EINVAL; | |
1360 | break; | |
1361 | ||
1362 | case RES_MPT_HW: | |
1363 | if (r->com.state != RES_MPT_MAPPED) | |
1364 | err = -EINVAL; | |
1365 | break; | |
1366 | default: | |
1367 | err = -EINVAL; | |
1368 | } | |
1369 | ||
1370 | if (!err) { | |
1371 | r->com.from_state = r->com.state; | |
1372 | r->com.to_state = state; | |
1373 | r->com.state = RES_MPT_BUSY; | |
1374 | if (mpt) | |
64699336 | 1375 | *mpt = r; |
c82e9aa0 EC |
1376 | } |
1377 | } | |
1378 | ||
1379 | spin_unlock_irq(mlx4_tlock(dev)); | |
1380 | ||
1381 | return err; | |
1382 | } | |
1383 | ||
1384 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
1385 | enum res_eq_states state, struct res_eq **eq) | |
1386 | { | |
1387 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1388 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1389 | struct res_eq *r; | |
1390 | int err = 0; | |
1391 | ||
1392 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1393 | r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); |
c82e9aa0 EC |
1394 | if (!r) |
1395 | err = -ENOENT; | |
1396 | else if (r->com.owner != slave) | |
1397 | err = -EPERM; | |
1398 | else { | |
1399 | switch (state) { | |
1400 | case RES_EQ_BUSY: | |
1401 | err = -EINVAL; | |
1402 | break; | |
1403 | ||
1404 | case RES_EQ_RESERVED: | |
1405 | if (r->com.state != RES_EQ_HW) | |
1406 | err = -EINVAL; | |
1407 | break; | |
1408 | ||
1409 | case RES_EQ_HW: | |
1410 | if (r->com.state != RES_EQ_RESERVED) | |
1411 | err = -EINVAL; | |
1412 | break; | |
1413 | ||
1414 | default: | |
1415 | err = -EINVAL; | |
1416 | } | |
1417 | ||
1418 | if (!err) { | |
1419 | r->com.from_state = r->com.state; | |
1420 | r->com.to_state = state; | |
1421 | r->com.state = RES_EQ_BUSY; | |
1422 | if (eq) | |
1423 | *eq = r; | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | spin_unlock_irq(mlx4_tlock(dev)); | |
1428 | ||
1429 | return err; | |
1430 | } | |
1431 | ||
1432 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, | |
1433 | enum res_cq_states state, struct res_cq **cq) | |
1434 | { | |
1435 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1436 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1437 | struct res_cq *r; | |
1438 | int err; | |
1439 | ||
1440 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1441 | r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); |
c9218a9e | 1442 | if (!r) { |
c82e9aa0 | 1443 | err = -ENOENT; |
c9218a9e | 1444 | } else if (r->com.owner != slave) { |
c82e9aa0 | 1445 | err = -EPERM; |
c9218a9e PB |
1446 | } else if (state == RES_CQ_ALLOCATED) { |
1447 | if (r->com.state != RES_CQ_HW) | |
c82e9aa0 | 1448 | err = -EINVAL; |
c9218a9e PB |
1449 | else if (atomic_read(&r->ref_count)) |
1450 | err = -EBUSY; | |
1451 | else | |
1452 | err = 0; | |
1453 | } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) { | |
1454 | err = -EINVAL; | |
1455 | } else { | |
1456 | err = 0; | |
1457 | } | |
c82e9aa0 | 1458 | |
c9218a9e PB |
1459 | if (!err) { |
1460 | r->com.from_state = r->com.state; | |
1461 | r->com.to_state = state; | |
1462 | r->com.state = RES_CQ_BUSY; | |
1463 | if (cq) | |
1464 | *cq = r; | |
c82e9aa0 EC |
1465 | } |
1466 | ||
1467 | spin_unlock_irq(mlx4_tlock(dev)); | |
1468 | ||
1469 | return err; | |
1470 | } | |
1471 | ||
1472 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, | |
f088cbb8 | 1473 | enum res_srq_states state, struct res_srq **srq) |
c82e9aa0 EC |
1474 | { |
1475 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1476 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1477 | struct res_srq *r; | |
1478 | int err = 0; | |
1479 | ||
1480 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1481 | r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); |
f088cbb8 | 1482 | if (!r) { |
c82e9aa0 | 1483 | err = -ENOENT; |
f088cbb8 | 1484 | } else if (r->com.owner != slave) { |
c82e9aa0 | 1485 | err = -EPERM; |
f088cbb8 PB |
1486 | } else if (state == RES_SRQ_ALLOCATED) { |
1487 | if (r->com.state != RES_SRQ_HW) | |
c82e9aa0 | 1488 | err = -EINVAL; |
f088cbb8 PB |
1489 | else if (atomic_read(&r->ref_count)) |
1490 | err = -EBUSY; | |
1491 | } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) { | |
1492 | err = -EINVAL; | |
1493 | } | |
c82e9aa0 | 1494 | |
f088cbb8 PB |
1495 | if (!err) { |
1496 | r->com.from_state = r->com.state; | |
1497 | r->com.to_state = state; | |
1498 | r->com.state = RES_SRQ_BUSY; | |
1499 | if (srq) | |
1500 | *srq = r; | |
c82e9aa0 EC |
1501 | } |
1502 | ||
1503 | spin_unlock_irq(mlx4_tlock(dev)); | |
1504 | ||
1505 | return err; | |
1506 | } | |
1507 | ||
1508 | static void res_abort_move(struct mlx4_dev *dev, int slave, | |
1509 | enum mlx4_resource type, int id) | |
1510 | { | |
1511 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1512 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1513 | struct res_common *r; | |
1514 | ||
1515 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1516 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1517 | if (r && (r->owner == slave)) |
1518 | r->state = r->from_state; | |
1519 | spin_unlock_irq(mlx4_tlock(dev)); | |
1520 | } | |
1521 | ||
1522 | static void res_end_move(struct mlx4_dev *dev, int slave, | |
1523 | enum mlx4_resource type, int id) | |
1524 | { | |
1525 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1526 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1527 | struct res_common *r; | |
1528 | ||
1529 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 | 1530 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
c82e9aa0 EC |
1531 | if (r && (r->owner == slave)) |
1532 | r->state = r->to_state; | |
1533 | spin_unlock_irq(mlx4_tlock(dev)); | |
1534 | } | |
1535 | ||
1536 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) | |
1537 | { | |
e2c76824 JM |
1538 | return mlx4_is_qp_reserved(dev, qpn) && |
1539 | (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn)); | |
c82e9aa0 EC |
1540 | } |
1541 | ||
54679e14 JM |
1542 | static int fw_reserved(struct mlx4_dev *dev, int qpn) |
1543 | { | |
1544 | return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
c82e9aa0 EC |
1545 | } |
1546 | ||
1547 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1548 | u64 in_param, u64 *out_param) | |
1549 | { | |
1550 | int err; | |
1551 | int count; | |
1552 | int align; | |
1553 | int base; | |
1554 | int qpn; | |
ddae0349 | 1555 | u8 flags; |
c82e9aa0 EC |
1556 | |
1557 | switch (op) { | |
1558 | case RES_OP_RESERVE: | |
2d5c57d7 | 1559 | count = get_param_l(&in_param) & 0xffffff; |
ddae0349 EE |
1560 | /* Turn off all unsupported QP allocation flags that the |
1561 | * slave tries to set. | |
1562 | */ | |
1563 | flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask; | |
c82e9aa0 | 1564 | align = get_param_h(&in_param); |
146f3ef4 | 1565 | err = mlx4_grant_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
1566 | if (err) |
1567 | return err; | |
1568 | ||
ddae0349 | 1569 | err = __mlx4_qp_reserve_range(dev, count, align, &base, flags); |
146f3ef4 JM |
1570 | if (err) { |
1571 | mlx4_release_resource(dev, slave, RES_QP, count, 0); | |
1572 | return err; | |
1573 | } | |
1574 | ||
c82e9aa0 EC |
1575 | err = add_res_range(dev, slave, base, count, RES_QP, 0); |
1576 | if (err) { | |
146f3ef4 | 1577 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
1578 | __mlx4_qp_release_range(dev, base, count); |
1579 | return err; | |
1580 | } | |
1581 | set_param_l(out_param, base); | |
1582 | break; | |
1583 | case RES_OP_MAP_ICM: | |
1584 | qpn = get_param_l(&in_param) & 0x7fffff; | |
1585 | if (valid_reserved(dev, slave, qpn)) { | |
1586 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
1587 | if (err) | |
1588 | return err; | |
1589 | } | |
1590 | ||
1591 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, | |
1592 | NULL, 1); | |
1593 | if (err) | |
1594 | return err; | |
1595 | ||
54679e14 | 1596 | if (!fw_reserved(dev, qpn)) { |
40f2287b | 1597 | err = __mlx4_qp_alloc_icm(dev, qpn, GFP_KERNEL); |
c82e9aa0 EC |
1598 | if (err) { |
1599 | res_abort_move(dev, slave, RES_QP, qpn); | |
1600 | return err; | |
1601 | } | |
1602 | } | |
1603 | ||
1604 | res_end_move(dev, slave, RES_QP, qpn); | |
1605 | break; | |
1606 | ||
1607 | default: | |
1608 | err = -EINVAL; | |
1609 | break; | |
1610 | } | |
1611 | return err; | |
1612 | } | |
1613 | ||
1614 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1615 | u64 in_param, u64 *out_param) | |
1616 | { | |
1617 | int err = -EINVAL; | |
1618 | int base; | |
1619 | int order; | |
1620 | ||
1621 | if (op != RES_OP_RESERVE_AND_MAP) | |
1622 | return err; | |
1623 | ||
1624 | order = get_param_l(&in_param); | |
146f3ef4 JM |
1625 | |
1626 | err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0); | |
1627 | if (err) | |
1628 | return err; | |
1629 | ||
c82e9aa0 | 1630 | base = __mlx4_alloc_mtt_range(dev, order); |
146f3ef4 JM |
1631 | if (base == -1) { |
1632 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 1633 | return -ENOMEM; |
146f3ef4 | 1634 | } |
c82e9aa0 EC |
1635 | |
1636 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); | |
146f3ef4 JM |
1637 | if (err) { |
1638 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 1639 | __mlx4_free_mtt_range(dev, base, order); |
146f3ef4 | 1640 | } else { |
c82e9aa0 | 1641 | set_param_l(out_param, base); |
146f3ef4 | 1642 | } |
c82e9aa0 EC |
1643 | |
1644 | return err; | |
1645 | } | |
1646 | ||
1647 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1648 | u64 in_param, u64 *out_param) | |
1649 | { | |
1650 | int err = -EINVAL; | |
1651 | int index; | |
1652 | int id; | |
1653 | struct res_mpt *mpt; | |
1654 | ||
1655 | switch (op) { | |
1656 | case RES_OP_RESERVE: | |
146f3ef4 JM |
1657 | err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0); |
1658 | if (err) | |
1659 | break; | |
1660 | ||
b20e519a | 1661 | index = __mlx4_mpt_reserve(dev); |
146f3ef4 JM |
1662 | if (index == -1) { |
1663 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); | |
c82e9aa0 | 1664 | break; |
146f3ef4 | 1665 | } |
c82e9aa0 EC |
1666 | id = index & mpt_mask(dev); |
1667 | ||
1668 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); | |
1669 | if (err) { | |
146f3ef4 | 1670 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
b20e519a | 1671 | __mlx4_mpt_release(dev, index); |
c82e9aa0 EC |
1672 | break; |
1673 | } | |
1674 | set_param_l(out_param, index); | |
1675 | break; | |
1676 | case RES_OP_MAP_ICM: | |
1677 | index = get_param_l(&in_param); | |
1678 | id = index & mpt_mask(dev); | |
1679 | err = mr_res_start_move_to(dev, slave, id, | |
1680 | RES_MPT_MAPPED, &mpt); | |
1681 | if (err) | |
1682 | return err; | |
1683 | ||
40f2287b | 1684 | err = __mlx4_mpt_alloc_icm(dev, mpt->key, GFP_KERNEL); |
c82e9aa0 EC |
1685 | if (err) { |
1686 | res_abort_move(dev, slave, RES_MPT, id); | |
1687 | return err; | |
1688 | } | |
1689 | ||
1690 | res_end_move(dev, slave, RES_MPT, id); | |
1691 | break; | |
1692 | } | |
1693 | return err; | |
1694 | } | |
1695 | ||
1696 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1697 | u64 in_param, u64 *out_param) | |
1698 | { | |
1699 | int cqn; | |
1700 | int err; | |
1701 | ||
1702 | switch (op) { | |
1703 | case RES_OP_RESERVE_AND_MAP: | |
146f3ef4 | 1704 | err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
1705 | if (err) |
1706 | break; | |
1707 | ||
146f3ef4 JM |
1708 | err = __mlx4_cq_alloc_icm(dev, &cqn); |
1709 | if (err) { | |
1710 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); | |
1711 | break; | |
1712 | } | |
1713 | ||
c82e9aa0 EC |
1714 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
1715 | if (err) { | |
146f3ef4 | 1716 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
1717 | __mlx4_cq_free_icm(dev, cqn); |
1718 | break; | |
1719 | } | |
1720 | ||
1721 | set_param_l(out_param, cqn); | |
1722 | break; | |
1723 | ||
1724 | default: | |
1725 | err = -EINVAL; | |
1726 | } | |
1727 | ||
1728 | return err; | |
1729 | } | |
1730 | ||
1731 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
1732 | u64 in_param, u64 *out_param) | |
1733 | { | |
1734 | int srqn; | |
1735 | int err; | |
1736 | ||
1737 | switch (op) { | |
1738 | case RES_OP_RESERVE_AND_MAP: | |
146f3ef4 | 1739 | err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
1740 | if (err) |
1741 | break; | |
1742 | ||
146f3ef4 JM |
1743 | err = __mlx4_srq_alloc_icm(dev, &srqn); |
1744 | if (err) { | |
1745 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); | |
1746 | break; | |
1747 | } | |
1748 | ||
c82e9aa0 EC |
1749 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
1750 | if (err) { | |
146f3ef4 | 1751 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
1752 | __mlx4_srq_free_icm(dev, srqn); |
1753 | break; | |
1754 | } | |
1755 | ||
1756 | set_param_l(out_param, srqn); | |
1757 | break; | |
1758 | ||
1759 | default: | |
1760 | err = -EINVAL; | |
1761 | } | |
1762 | ||
1763 | return err; | |
1764 | } | |
1765 | ||
2f5bb473 JM |
1766 | static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port, |
1767 | u8 smac_index, u64 *mac) | |
1768 | { | |
1769 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1770 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1771 | struct list_head *mac_list = | |
1772 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1773 | struct mac_res *res, *tmp; | |
1774 | ||
1775 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1776 | if (res->smac_index == smac_index && res->port == (u8) port) { | |
1777 | *mac = res->mac; | |
1778 | return 0; | |
1779 | } | |
1780 | } | |
1781 | return -ENOENT; | |
1782 | } | |
1783 | ||
1784 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index) | |
c82e9aa0 EC |
1785 | { |
1786 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1787 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2f5bb473 JM |
1788 | struct list_head *mac_list = |
1789 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1790 | struct mac_res *res, *tmp; | |
1791 | ||
1792 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1793 | if (res->mac == mac && res->port == (u8) port) { | |
1794 | /* mac found. update ref count */ | |
1795 | ++res->ref_count; | |
1796 | return 0; | |
1797 | } | |
1798 | } | |
c82e9aa0 | 1799 | |
146f3ef4 JM |
1800 | if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port)) |
1801 | return -EINVAL; | |
c82e9aa0 | 1802 | res = kzalloc(sizeof *res, GFP_KERNEL); |
146f3ef4 JM |
1803 | if (!res) { |
1804 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); | |
c82e9aa0 | 1805 | return -ENOMEM; |
146f3ef4 | 1806 | } |
c82e9aa0 EC |
1807 | res->mac = mac; |
1808 | res->port = (u8) port; | |
2f5bb473 JM |
1809 | res->smac_index = smac_index; |
1810 | res->ref_count = 1; | |
c82e9aa0 EC |
1811 | list_add_tail(&res->list, |
1812 | &tracker->slave_list[slave].res_list[RES_MAC]); | |
1813 | return 0; | |
1814 | } | |
1815 | ||
1816 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, | |
1817 | int port) | |
1818 | { | |
1819 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1820 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1821 | struct list_head *mac_list = | |
1822 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1823 | struct mac_res *res, *tmp; | |
1824 | ||
1825 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1826 | if (res->mac == mac && res->port == (u8) port) { | |
2f5bb473 JM |
1827 | if (!--res->ref_count) { |
1828 | list_del(&res->list); | |
1829 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); | |
1830 | kfree(res); | |
1831 | } | |
c82e9aa0 EC |
1832 | break; |
1833 | } | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) | |
1838 | { | |
1839 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1840 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1841 | struct list_head *mac_list = | |
1842 | &tracker->slave_list[slave].res_list[RES_MAC]; | |
1843 | struct mac_res *res, *tmp; | |
2f5bb473 | 1844 | int i; |
c82e9aa0 EC |
1845 | |
1846 | list_for_each_entry_safe(res, tmp, mac_list, list) { | |
1847 | list_del(&res->list); | |
2f5bb473 JM |
1848 | /* dereference the mac the num times the slave referenced it */ |
1849 | for (i = 0; i < res->ref_count; i++) | |
1850 | __mlx4_unregister_mac(dev, res->port, res->mac); | |
146f3ef4 | 1851 | mlx4_release_resource(dev, slave, RES_MAC, 1, res->port); |
c82e9aa0 EC |
1852 | kfree(res); |
1853 | } | |
1854 | } | |
1855 | ||
1856 | static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
acddd5dd | 1857 | u64 in_param, u64 *out_param, int in_port) |
c82e9aa0 EC |
1858 | { |
1859 | int err = -EINVAL; | |
1860 | int port; | |
1861 | u64 mac; | |
2f5bb473 | 1862 | u8 smac_index; |
c82e9aa0 EC |
1863 | |
1864 | if (op != RES_OP_RESERVE_AND_MAP) | |
1865 | return err; | |
1866 | ||
acddd5dd | 1867 | port = !in_port ? get_param_l(out_param) : in_port; |
449fc488 MB |
1868 | port = mlx4_slave_convert_port( |
1869 | dev, slave, port); | |
1870 | ||
1871 | if (port < 0) | |
1872 | return -EINVAL; | |
c82e9aa0 EC |
1873 | mac = in_param; |
1874 | ||
1875 | err = __mlx4_register_mac(dev, port, mac); | |
1876 | if (err >= 0) { | |
2f5bb473 | 1877 | smac_index = err; |
c82e9aa0 EC |
1878 | set_param_l(out_param, err); |
1879 | err = 0; | |
1880 | } | |
1881 | ||
1882 | if (!err) { | |
2f5bb473 | 1883 | err = mac_add_to_slave(dev, slave, mac, port, smac_index); |
c82e9aa0 EC |
1884 | if (err) |
1885 | __mlx4_unregister_mac(dev, port, mac); | |
1886 | } | |
1887 | return err; | |
1888 | } | |
1889 | ||
4874080d JM |
1890 | static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
1891 | int port, int vlan_index) | |
ffe455ad | 1892 | { |
4874080d JM |
1893 | struct mlx4_priv *priv = mlx4_priv(dev); |
1894 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1895 | struct list_head *vlan_list = | |
1896 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
1897 | struct vlan_res *res, *tmp; | |
1898 | ||
1899 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
1900 | if (res->vlan == vlan && res->port == (u8) port) { | |
1901 | /* vlan found. update ref count */ | |
1902 | ++res->ref_count; | |
1903 | return 0; | |
1904 | } | |
1905 | } | |
1906 | ||
146f3ef4 JM |
1907 | if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port)) |
1908 | return -EINVAL; | |
4874080d | 1909 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
146f3ef4 JM |
1910 | if (!res) { |
1911 | mlx4_release_resource(dev, slave, RES_VLAN, 1, port); | |
4874080d | 1912 | return -ENOMEM; |
146f3ef4 | 1913 | } |
4874080d JM |
1914 | res->vlan = vlan; |
1915 | res->port = (u8) port; | |
1916 | res->vlan_index = vlan_index; | |
1917 | res->ref_count = 1; | |
1918 | list_add_tail(&res->list, | |
1919 | &tracker->slave_list[slave].res_list[RES_VLAN]); | |
ffe455ad EE |
1920 | return 0; |
1921 | } | |
1922 | ||
4874080d JM |
1923 | |
1924 | static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan, | |
1925 | int port) | |
1926 | { | |
1927 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1928 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1929 | struct list_head *vlan_list = | |
1930 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
1931 | struct vlan_res *res, *tmp; | |
1932 | ||
1933 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
1934 | if (res->vlan == vlan && res->port == (u8) port) { | |
1935 | if (!--res->ref_count) { | |
1936 | list_del(&res->list); | |
146f3ef4 JM |
1937 | mlx4_release_resource(dev, slave, RES_VLAN, |
1938 | 1, port); | |
4874080d JM |
1939 | kfree(res); |
1940 | } | |
1941 | break; | |
1942 | } | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave) | |
1947 | { | |
1948 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1949 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
1950 | struct list_head *vlan_list = | |
1951 | &tracker->slave_list[slave].res_list[RES_VLAN]; | |
1952 | struct vlan_res *res, *tmp; | |
1953 | int i; | |
1954 | ||
1955 | list_for_each_entry_safe(res, tmp, vlan_list, list) { | |
1956 | list_del(&res->list); | |
1957 | /* dereference the vlan the num times the slave referenced it */ | |
1958 | for (i = 0; i < res->ref_count; i++) | |
1959 | __mlx4_unregister_vlan(dev, res->port, res->vlan); | |
146f3ef4 | 1960 | mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port); |
4874080d JM |
1961 | kfree(res); |
1962 | } | |
1963 | } | |
1964 | ||
1965 | static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2c957ff2 | 1966 | u64 in_param, u64 *out_param, int in_port) |
4874080d | 1967 | { |
2c957ff2 JM |
1968 | struct mlx4_priv *priv = mlx4_priv(dev); |
1969 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; | |
4874080d JM |
1970 | int err; |
1971 | u16 vlan; | |
1972 | int vlan_index; | |
2c957ff2 JM |
1973 | int port; |
1974 | ||
1975 | port = !in_port ? get_param_l(out_param) : in_port; | |
4874080d JM |
1976 | |
1977 | if (!port || op != RES_OP_RESERVE_AND_MAP) | |
1978 | return -EINVAL; | |
1979 | ||
449fc488 MB |
1980 | port = mlx4_slave_convert_port( |
1981 | dev, slave, port); | |
1982 | ||
1983 | if (port < 0) | |
1984 | return -EINVAL; | |
2c957ff2 JM |
1985 | /* upstream kernels had NOP for reg/unreg vlan. Continue this. */ |
1986 | if (!in_port && port > 0 && port <= dev->caps.num_ports) { | |
1987 | slave_state[slave].old_vlan_api = true; | |
1988 | return 0; | |
1989 | } | |
1990 | ||
4874080d JM |
1991 | vlan = (u16) in_param; |
1992 | ||
1993 | err = __mlx4_register_vlan(dev, port, vlan, &vlan_index); | |
1994 | if (!err) { | |
1995 | set_param_l(out_param, (u32) vlan_index); | |
1996 | err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index); | |
1997 | if (err) | |
1998 | __mlx4_unregister_vlan(dev, port, vlan); | |
1999 | } | |
2000 | return err; | |
2001 | } | |
2002 | ||
ba062d52 JM |
2003 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
2004 | u64 in_param, u64 *out_param) | |
2005 | { | |
2006 | u32 index; | |
2007 | int err; | |
2008 | ||
2009 | if (op != RES_OP_RESERVE) | |
2010 | return -EINVAL; | |
2011 | ||
146f3ef4 | 2012 | err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 JM |
2013 | if (err) |
2014 | return err; | |
2015 | ||
146f3ef4 JM |
2016 | err = __mlx4_counter_alloc(dev, &index); |
2017 | if (err) { | |
2018 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); | |
2019 | return err; | |
2020 | } | |
2021 | ||
ba062d52 | 2022 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0); |
146f3ef4 | 2023 | if (err) { |
ba062d52 | 2024 | __mlx4_counter_free(dev, index); |
146f3ef4 JM |
2025 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
2026 | } else { | |
ba062d52 | 2027 | set_param_l(out_param, index); |
146f3ef4 | 2028 | } |
ba062d52 JM |
2029 | |
2030 | return err; | |
2031 | } | |
2032 | ||
2033 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2034 | u64 in_param, u64 *out_param) | |
2035 | { | |
2036 | u32 xrcdn; | |
2037 | int err; | |
2038 | ||
2039 | if (op != RES_OP_RESERVE) | |
2040 | return -EINVAL; | |
2041 | ||
2042 | err = __mlx4_xrcd_alloc(dev, &xrcdn); | |
2043 | if (err) | |
2044 | return err; | |
2045 | ||
2046 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
2047 | if (err) | |
2048 | __mlx4_xrcd_free(dev, xrcdn); | |
2049 | else | |
2050 | set_param_l(out_param, xrcdn); | |
2051 | ||
2052 | return err; | |
2053 | } | |
2054 | ||
c82e9aa0 EC |
2055 | int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, |
2056 | struct mlx4_vhcr *vhcr, | |
2057 | struct mlx4_cmd_mailbox *inbox, | |
2058 | struct mlx4_cmd_mailbox *outbox, | |
2059 | struct mlx4_cmd_info *cmd) | |
2060 | { | |
2061 | int err; | |
2062 | int alop = vhcr->op_modifier; | |
2063 | ||
acddd5dd | 2064 | switch (vhcr->in_modifier & 0xFF) { |
c82e9aa0 EC |
2065 | case RES_QP: |
2066 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2067 | vhcr->in_param, &vhcr->out_param); | |
2068 | break; | |
2069 | ||
2070 | case RES_MTT: | |
2071 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2072 | vhcr->in_param, &vhcr->out_param); | |
2073 | break; | |
2074 | ||
2075 | case RES_MPT: | |
2076 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2077 | vhcr->in_param, &vhcr->out_param); | |
2078 | break; | |
2079 | ||
2080 | case RES_CQ: | |
2081 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2082 | vhcr->in_param, &vhcr->out_param); | |
2083 | break; | |
2084 | ||
2085 | case RES_SRQ: | |
2086 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2087 | vhcr->in_param, &vhcr->out_param); | |
2088 | break; | |
2089 | ||
2090 | case RES_MAC: | |
2091 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2092 | vhcr->in_param, &vhcr->out_param, |
2093 | (vhcr->in_modifier >> 8) & 0xFF); | |
c82e9aa0 EC |
2094 | break; |
2095 | ||
ffe455ad EE |
2096 | case RES_VLAN: |
2097 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2098 | vhcr->in_param, &vhcr->out_param, |
2099 | (vhcr->in_modifier >> 8) & 0xFF); | |
ffe455ad EE |
2100 | break; |
2101 | ||
ba062d52 JM |
2102 | case RES_COUNTER: |
2103 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2104 | vhcr->in_param, &vhcr->out_param); | |
2105 | break; | |
2106 | ||
2107 | case RES_XRCD: | |
2108 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, | |
2109 | vhcr->in_param, &vhcr->out_param); | |
2110 | break; | |
2111 | ||
c82e9aa0 EC |
2112 | default: |
2113 | err = -EINVAL; | |
2114 | break; | |
2115 | } | |
2116 | ||
2117 | return err; | |
2118 | } | |
2119 | ||
2120 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2121 | u64 in_param) | |
2122 | { | |
2123 | int err; | |
2124 | int count; | |
2125 | int base; | |
2126 | int qpn; | |
2127 | ||
2128 | switch (op) { | |
2129 | case RES_OP_RESERVE: | |
2130 | base = get_param_l(&in_param) & 0x7fffff; | |
2131 | count = get_param_h(&in_param); | |
2132 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); | |
2133 | if (err) | |
2134 | break; | |
146f3ef4 | 2135 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
c82e9aa0 EC |
2136 | __mlx4_qp_release_range(dev, base, count); |
2137 | break; | |
2138 | case RES_OP_MAP_ICM: | |
2139 | qpn = get_param_l(&in_param) & 0x7fffff; | |
2140 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, | |
2141 | NULL, 0); | |
2142 | if (err) | |
2143 | return err; | |
2144 | ||
54679e14 | 2145 | if (!fw_reserved(dev, qpn)) |
c82e9aa0 EC |
2146 | __mlx4_qp_free_icm(dev, qpn); |
2147 | ||
2148 | res_end_move(dev, slave, RES_QP, qpn); | |
2149 | ||
2150 | if (valid_reserved(dev, slave, qpn)) | |
2151 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); | |
2152 | break; | |
2153 | default: | |
2154 | err = -EINVAL; | |
2155 | break; | |
2156 | } | |
2157 | return err; | |
2158 | } | |
2159 | ||
2160 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2161 | u64 in_param, u64 *out_param) | |
2162 | { | |
2163 | int err = -EINVAL; | |
2164 | int base; | |
2165 | int order; | |
2166 | ||
2167 | if (op != RES_OP_RESERVE_AND_MAP) | |
2168 | return err; | |
2169 | ||
2170 | base = get_param_l(&in_param); | |
2171 | order = get_param_h(&in_param); | |
2172 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); | |
146f3ef4 JM |
2173 | if (!err) { |
2174 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); | |
c82e9aa0 | 2175 | __mlx4_free_mtt_range(dev, base, order); |
146f3ef4 | 2176 | } |
c82e9aa0 EC |
2177 | return err; |
2178 | } | |
2179 | ||
2180 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2181 | u64 in_param) | |
2182 | { | |
2183 | int err = -EINVAL; | |
2184 | int index; | |
2185 | int id; | |
2186 | struct res_mpt *mpt; | |
2187 | ||
2188 | switch (op) { | |
2189 | case RES_OP_RESERVE: | |
2190 | index = get_param_l(&in_param); | |
2191 | id = index & mpt_mask(dev); | |
2192 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
2193 | if (err) | |
2194 | break; | |
2195 | index = mpt->key; | |
2196 | put_res(dev, slave, id, RES_MPT); | |
2197 | ||
2198 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); | |
2199 | if (err) | |
2200 | break; | |
146f3ef4 | 2201 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
b20e519a | 2202 | __mlx4_mpt_release(dev, index); |
c82e9aa0 EC |
2203 | break; |
2204 | case RES_OP_MAP_ICM: | |
2205 | index = get_param_l(&in_param); | |
2206 | id = index & mpt_mask(dev); | |
2207 | err = mr_res_start_move_to(dev, slave, id, | |
2208 | RES_MPT_RESERVED, &mpt); | |
2209 | if (err) | |
2210 | return err; | |
2211 | ||
b20e519a | 2212 | __mlx4_mpt_free_icm(dev, mpt->key); |
c82e9aa0 EC |
2213 | res_end_move(dev, slave, RES_MPT, id); |
2214 | return err; | |
2215 | break; | |
2216 | default: | |
2217 | err = -EINVAL; | |
2218 | break; | |
2219 | } | |
2220 | return err; | |
2221 | } | |
2222 | ||
2223 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2224 | u64 in_param, u64 *out_param) | |
2225 | { | |
2226 | int cqn; | |
2227 | int err; | |
2228 | ||
2229 | switch (op) { | |
2230 | case RES_OP_RESERVE_AND_MAP: | |
2231 | cqn = get_param_l(&in_param); | |
2232 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); | |
2233 | if (err) | |
2234 | break; | |
2235 | ||
146f3ef4 | 2236 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
c82e9aa0 EC |
2237 | __mlx4_cq_free_icm(dev, cqn); |
2238 | break; | |
2239 | ||
2240 | default: | |
2241 | err = -EINVAL; | |
2242 | break; | |
2243 | } | |
2244 | ||
2245 | return err; | |
2246 | } | |
2247 | ||
2248 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2249 | u64 in_param, u64 *out_param) | |
2250 | { | |
2251 | int srqn; | |
2252 | int err; | |
2253 | ||
2254 | switch (op) { | |
2255 | case RES_OP_RESERVE_AND_MAP: | |
2256 | srqn = get_param_l(&in_param); | |
2257 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); | |
2258 | if (err) | |
2259 | break; | |
2260 | ||
146f3ef4 | 2261 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
c82e9aa0 EC |
2262 | __mlx4_srq_free_icm(dev, srqn); |
2263 | break; | |
2264 | ||
2265 | default: | |
2266 | err = -EINVAL; | |
2267 | break; | |
2268 | } | |
2269 | ||
2270 | return err; | |
2271 | } | |
2272 | ||
2273 | static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
acddd5dd | 2274 | u64 in_param, u64 *out_param, int in_port) |
c82e9aa0 EC |
2275 | { |
2276 | int port; | |
2277 | int err = 0; | |
2278 | ||
2279 | switch (op) { | |
2280 | case RES_OP_RESERVE_AND_MAP: | |
acddd5dd | 2281 | port = !in_port ? get_param_l(out_param) : in_port; |
449fc488 MB |
2282 | port = mlx4_slave_convert_port( |
2283 | dev, slave, port); | |
2284 | ||
2285 | if (port < 0) | |
2286 | return -EINVAL; | |
c82e9aa0 EC |
2287 | mac_del_from_slave(dev, slave, in_param, port); |
2288 | __mlx4_unregister_mac(dev, port, in_param); | |
2289 | break; | |
2290 | default: | |
2291 | err = -EINVAL; | |
2292 | break; | |
2293 | } | |
2294 | ||
2295 | return err; | |
2296 | ||
2297 | } | |
2298 | ||
ffe455ad | 2299 | static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
acddd5dd | 2300 | u64 in_param, u64 *out_param, int port) |
ffe455ad | 2301 | { |
2c957ff2 JM |
2302 | struct mlx4_priv *priv = mlx4_priv(dev); |
2303 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; | |
4874080d JM |
2304 | int err = 0; |
2305 | ||
449fc488 MB |
2306 | port = mlx4_slave_convert_port( |
2307 | dev, slave, port); | |
2308 | ||
2309 | if (port < 0) | |
2310 | return -EINVAL; | |
4874080d JM |
2311 | switch (op) { |
2312 | case RES_OP_RESERVE_AND_MAP: | |
2c957ff2 JM |
2313 | if (slave_state[slave].old_vlan_api) |
2314 | return 0; | |
4874080d JM |
2315 | if (!port) |
2316 | return -EINVAL; | |
2317 | vlan_del_from_slave(dev, slave, in_param, port); | |
2318 | __mlx4_unregister_vlan(dev, port, in_param); | |
2319 | break; | |
2320 | default: | |
2321 | err = -EINVAL; | |
2322 | break; | |
2323 | } | |
2324 | ||
2325 | return err; | |
ffe455ad EE |
2326 | } |
2327 | ||
ba062d52 JM |
2328 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
2329 | u64 in_param, u64 *out_param) | |
2330 | { | |
2331 | int index; | |
2332 | int err; | |
2333 | ||
2334 | if (op != RES_OP_RESERVE) | |
2335 | return -EINVAL; | |
2336 | ||
2337 | index = get_param_l(&in_param); | |
2338 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); | |
2339 | if (err) | |
2340 | return err; | |
2341 | ||
2342 | __mlx4_counter_free(dev, index); | |
146f3ef4 | 2343 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 JM |
2344 | |
2345 | return err; | |
2346 | } | |
2347 | ||
2348 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, | |
2349 | u64 in_param, u64 *out_param) | |
2350 | { | |
2351 | int xrcdn; | |
2352 | int err; | |
2353 | ||
2354 | if (op != RES_OP_RESERVE) | |
2355 | return -EINVAL; | |
2356 | ||
2357 | xrcdn = get_param_l(&in_param); | |
2358 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); | |
2359 | if (err) | |
2360 | return err; | |
2361 | ||
2362 | __mlx4_xrcd_free(dev, xrcdn); | |
2363 | ||
2364 | return err; | |
2365 | } | |
2366 | ||
c82e9aa0 EC |
2367 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
2368 | struct mlx4_vhcr *vhcr, | |
2369 | struct mlx4_cmd_mailbox *inbox, | |
2370 | struct mlx4_cmd_mailbox *outbox, | |
2371 | struct mlx4_cmd_info *cmd) | |
2372 | { | |
2373 | int err = -EINVAL; | |
2374 | int alop = vhcr->op_modifier; | |
2375 | ||
acddd5dd | 2376 | switch (vhcr->in_modifier & 0xFF) { |
c82e9aa0 EC |
2377 | case RES_QP: |
2378 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, | |
2379 | vhcr->in_param); | |
2380 | break; | |
2381 | ||
2382 | case RES_MTT: | |
2383 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, | |
2384 | vhcr->in_param, &vhcr->out_param); | |
2385 | break; | |
2386 | ||
2387 | case RES_MPT: | |
2388 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, | |
2389 | vhcr->in_param); | |
2390 | break; | |
2391 | ||
2392 | case RES_CQ: | |
2393 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, | |
2394 | vhcr->in_param, &vhcr->out_param); | |
2395 | break; | |
2396 | ||
2397 | case RES_SRQ: | |
2398 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, | |
2399 | vhcr->in_param, &vhcr->out_param); | |
2400 | break; | |
2401 | ||
2402 | case RES_MAC: | |
2403 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2404 | vhcr->in_param, &vhcr->out_param, |
2405 | (vhcr->in_modifier >> 8) & 0xFF); | |
c82e9aa0 EC |
2406 | break; |
2407 | ||
ffe455ad EE |
2408 | case RES_VLAN: |
2409 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, | |
acddd5dd JM |
2410 | vhcr->in_param, &vhcr->out_param, |
2411 | (vhcr->in_modifier >> 8) & 0xFF); | |
ffe455ad EE |
2412 | break; |
2413 | ||
ba062d52 JM |
2414 | case RES_COUNTER: |
2415 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, | |
2416 | vhcr->in_param, &vhcr->out_param); | |
2417 | break; | |
2418 | ||
2419 | case RES_XRCD: | |
2420 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, | |
2421 | vhcr->in_param, &vhcr->out_param); | |
2422 | ||
c82e9aa0 EC |
2423 | default: |
2424 | break; | |
2425 | } | |
2426 | return err; | |
2427 | } | |
2428 | ||
2429 | /* ugly but other choices are uglier */ | |
2430 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) | |
2431 | { | |
2432 | return (be32_to_cpu(mpt->flags) >> 9) & 1; | |
2433 | } | |
2434 | ||
2b8fb286 | 2435 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
c82e9aa0 | 2436 | { |
2b8fb286 | 2437 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
c82e9aa0 EC |
2438 | } |
2439 | ||
2440 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) | |
2441 | { | |
2442 | return be32_to_cpu(mpt->mtt_sz); | |
2443 | } | |
2444 | ||
cc1ade94 SM |
2445 | static u32 mr_get_pd(struct mlx4_mpt_entry *mpt) |
2446 | { | |
2447 | return be32_to_cpu(mpt->pd_flags) & 0x00ffffff; | |
2448 | } | |
2449 | ||
2450 | static int mr_is_fmr(struct mlx4_mpt_entry *mpt) | |
2451 | { | |
2452 | return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG; | |
2453 | } | |
2454 | ||
2455 | static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt) | |
2456 | { | |
2457 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE; | |
2458 | } | |
2459 | ||
2460 | static int mr_is_region(struct mlx4_mpt_entry *mpt) | |
2461 | { | |
2462 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION; | |
2463 | } | |
2464 | ||
2b8fb286 | 2465 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
c82e9aa0 EC |
2466 | { |
2467 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; | |
2468 | } | |
2469 | ||
2b8fb286 | 2470 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
c82e9aa0 EC |
2471 | { |
2472 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; | |
2473 | } | |
2474 | ||
2475 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) | |
2476 | { | |
2477 | int page_shift = (qpc->log_page_size & 0x3f) + 12; | |
2478 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; | |
2479 | int log_sq_sride = qpc->sq_size_stride & 7; | |
2480 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; | |
2481 | int log_rq_stride = qpc->rq_size_stride & 7; | |
2482 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; | |
2483 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; | |
5c5f3f0a YH |
2484 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
2485 | int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; | |
c82e9aa0 EC |
2486 | int sq_size; |
2487 | int rq_size; | |
2488 | int total_pages; | |
2489 | int total_mem; | |
2490 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; | |
2491 | ||
2492 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); | |
2493 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); | |
2494 | total_mem = sq_size + rq_size; | |
2495 | total_pages = | |
2496 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> | |
2497 | page_shift); | |
2498 | ||
2499 | return total_pages; | |
2500 | } | |
2501 | ||
c82e9aa0 EC |
2502 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
2503 | int size, struct res_mtt *mtt) | |
2504 | { | |
2b8fb286 MA |
2505 | int res_start = mtt->com.res_id; |
2506 | int res_size = (1 << mtt->order); | |
c82e9aa0 EC |
2507 | |
2508 | if (start < res_start || start + size > res_start + res_size) | |
2509 | return -EPERM; | |
2510 | return 0; | |
2511 | } | |
2512 | ||
2513 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2514 | struct mlx4_vhcr *vhcr, | |
2515 | struct mlx4_cmd_mailbox *inbox, | |
2516 | struct mlx4_cmd_mailbox *outbox, | |
2517 | struct mlx4_cmd_info *cmd) | |
2518 | { | |
2519 | int err; | |
2520 | int index = vhcr->in_modifier; | |
2521 | struct res_mtt *mtt; | |
2522 | struct res_mpt *mpt; | |
2b8fb286 | 2523 | int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2524 | int phys; |
2525 | int id; | |
cc1ade94 SM |
2526 | u32 pd; |
2527 | int pd_slave; | |
c82e9aa0 EC |
2528 | |
2529 | id = index & mpt_mask(dev); | |
2530 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); | |
2531 | if (err) | |
2532 | return err; | |
2533 | ||
cc1ade94 SM |
2534 | /* Disable memory windows for VFs. */ |
2535 | if (!mr_is_region(inbox->buf)) { | |
2536 | err = -EPERM; | |
2537 | goto ex_abort; | |
2538 | } | |
2539 | ||
2540 | /* Make sure that the PD bits related to the slave id are zeros. */ | |
2541 | pd = mr_get_pd(inbox->buf); | |
2542 | pd_slave = (pd >> 17) & 0x7f; | |
b332068c | 2543 | if (pd_slave != 0 && --pd_slave != slave) { |
cc1ade94 SM |
2544 | err = -EPERM; |
2545 | goto ex_abort; | |
2546 | } | |
2547 | ||
2548 | if (mr_is_fmr(inbox->buf)) { | |
2549 | /* FMR and Bind Enable are forbidden in slave devices. */ | |
2550 | if (mr_is_bind_enabled(inbox->buf)) { | |
2551 | err = -EPERM; | |
2552 | goto ex_abort; | |
2553 | } | |
2554 | /* FMR and Memory Windows are also forbidden. */ | |
2555 | if (!mr_is_region(inbox->buf)) { | |
2556 | err = -EPERM; | |
2557 | goto ex_abort; | |
2558 | } | |
2559 | } | |
2560 | ||
c82e9aa0 EC |
2561 | phys = mr_phys_mpt(inbox->buf); |
2562 | if (!phys) { | |
2b8fb286 | 2563 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2564 | if (err) |
2565 | goto ex_abort; | |
2566 | ||
2567 | err = check_mtt_range(dev, slave, mtt_base, | |
2568 | mr_get_mtt_size(inbox->buf), mtt); | |
2569 | if (err) | |
2570 | goto ex_put; | |
2571 | ||
2572 | mpt->mtt = mtt; | |
2573 | } | |
2574 | ||
c82e9aa0 EC |
2575 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
2576 | if (err) | |
2577 | goto ex_put; | |
2578 | ||
2579 | if (!phys) { | |
2580 | atomic_inc(&mtt->ref_count); | |
2581 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2582 | } | |
2583 | ||
2584 | res_end_move(dev, slave, RES_MPT, id); | |
2585 | return 0; | |
2586 | ||
2587 | ex_put: | |
2588 | if (!phys) | |
2589 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2590 | ex_abort: | |
2591 | res_abort_move(dev, slave, RES_MPT, id); | |
2592 | ||
2593 | return err; | |
2594 | } | |
2595 | ||
2596 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2597 | struct mlx4_vhcr *vhcr, | |
2598 | struct mlx4_cmd_mailbox *inbox, | |
2599 | struct mlx4_cmd_mailbox *outbox, | |
2600 | struct mlx4_cmd_info *cmd) | |
2601 | { | |
2602 | int err; | |
2603 | int index = vhcr->in_modifier; | |
2604 | struct res_mpt *mpt; | |
2605 | int id; | |
2606 | ||
2607 | id = index & mpt_mask(dev); | |
2608 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); | |
2609 | if (err) | |
2610 | return err; | |
2611 | ||
2612 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2613 | if (err) | |
2614 | goto ex_abort; | |
2615 | ||
2616 | if (mpt->mtt) | |
2617 | atomic_dec(&mpt->mtt->ref_count); | |
2618 | ||
2619 | res_end_move(dev, slave, RES_MPT, id); | |
2620 | return 0; | |
2621 | ||
2622 | ex_abort: | |
2623 | res_abort_move(dev, slave, RES_MPT, id); | |
2624 | ||
2625 | return err; | |
2626 | } | |
2627 | ||
2628 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, | |
2629 | struct mlx4_vhcr *vhcr, | |
2630 | struct mlx4_cmd_mailbox *inbox, | |
2631 | struct mlx4_cmd_mailbox *outbox, | |
2632 | struct mlx4_cmd_info *cmd) | |
2633 | { | |
2634 | int err; | |
2635 | int index = vhcr->in_modifier; | |
2636 | struct res_mpt *mpt; | |
2637 | int id; | |
2638 | ||
2639 | id = index & mpt_mask(dev); | |
2640 | err = get_res(dev, slave, id, RES_MPT, &mpt); | |
2641 | if (err) | |
2642 | return err; | |
2643 | ||
e630664c MB |
2644 | if (mpt->com.from_state == RES_MPT_MAPPED) { |
2645 | /* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do | |
2646 | * that, the VF must read the MPT. But since the MPT entry memory is not | |
2647 | * in the VF's virtual memory space, it must use QUERY_MPT to obtain the | |
2648 | * entry contents. To guarantee that the MPT cannot be changed, the driver | |
2649 | * must perform HW2SW_MPT before this query and return the MPT entry to HW | |
2650 | * ownership fofollowing the change. The change here allows the VF to | |
2651 | * perform QUERY_MPT also when the entry is in SW ownership. | |
2652 | */ | |
2653 | struct mlx4_mpt_entry *mpt_entry = mlx4_table_find( | |
2654 | &mlx4_priv(dev)->mr_table.dmpt_table, | |
2655 | mpt->key, NULL); | |
2656 | ||
2657 | if (NULL == mpt_entry || NULL == outbox->buf) { | |
2658 | err = -EINVAL; | |
2659 | goto out; | |
2660 | } | |
2661 | ||
2662 | memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry)); | |
2663 | ||
2664 | err = 0; | |
2665 | } else if (mpt->com.from_state == RES_MPT_HW) { | |
2666 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2667 | } else { | |
c82e9aa0 EC |
2668 | err = -EBUSY; |
2669 | goto out; | |
2670 | } | |
2671 | ||
c82e9aa0 EC |
2672 | |
2673 | out: | |
2674 | put_res(dev, slave, id, RES_MPT); | |
2675 | return err; | |
2676 | } | |
2677 | ||
2678 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) | |
2679 | { | |
2680 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; | |
2681 | } | |
2682 | ||
2683 | static int qp_get_scqn(struct mlx4_qp_context *qpc) | |
2684 | { | |
2685 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; | |
2686 | } | |
2687 | ||
2688 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) | |
2689 | { | |
2690 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; | |
2691 | } | |
2692 | ||
54679e14 JM |
2693 | static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, |
2694 | struct mlx4_qp_context *context) | |
2695 | { | |
2696 | u32 qpn = vhcr->in_modifier & 0xffffff; | |
2697 | u32 qkey = 0; | |
2698 | ||
2699 | if (mlx4_get_parav_qkey(dev, qpn, &qkey)) | |
2700 | return; | |
2701 | ||
2702 | /* adjust qkey in qp context */ | |
2703 | context->qkey = cpu_to_be32(qkey); | |
2704 | } | |
2705 | ||
c82e9aa0 EC |
2706 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
2707 | struct mlx4_vhcr *vhcr, | |
2708 | struct mlx4_cmd_mailbox *inbox, | |
2709 | struct mlx4_cmd_mailbox *outbox, | |
2710 | struct mlx4_cmd_info *cmd) | |
2711 | { | |
2712 | int err; | |
2713 | int qpn = vhcr->in_modifier & 0x7fffff; | |
2714 | struct res_mtt *mtt; | |
2715 | struct res_qp *qp; | |
2716 | struct mlx4_qp_context *qpc = inbox->buf + 8; | |
2b8fb286 | 2717 | int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2718 | int mtt_size = qp_get_mtt_size(qpc); |
2719 | struct res_cq *rcq; | |
2720 | struct res_cq *scq; | |
2721 | int rcqn = qp_get_rcqn(qpc); | |
2722 | int scqn = qp_get_scqn(qpc); | |
2723 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; | |
2724 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; | |
2725 | struct res_srq *srq; | |
2726 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; | |
2727 | ||
2728 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); | |
2729 | if (err) | |
2730 | return err; | |
2731 | qp->local_qpn = local_qpn; | |
b01978ca | 2732 | qp->sched_queue = 0; |
f0f829bf RE |
2733 | qp->param3 = 0; |
2734 | qp->vlan_control = 0; | |
2735 | qp->fvl_rx = 0; | |
2736 | qp->pri_path_fl = 0; | |
2737 | qp->vlan_index = 0; | |
2738 | qp->feup = 0; | |
b01978ca | 2739 | qp->qpc_flags = be32_to_cpu(qpc->flags); |
c82e9aa0 | 2740 | |
2b8fb286 | 2741 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2742 | if (err) |
2743 | goto ex_abort; | |
2744 | ||
2745 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
2746 | if (err) | |
2747 | goto ex_put_mtt; | |
2748 | ||
c82e9aa0 EC |
2749 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
2750 | if (err) | |
2751 | goto ex_put_mtt; | |
2752 | ||
2753 | if (scqn != rcqn) { | |
2754 | err = get_res(dev, slave, scqn, RES_CQ, &scq); | |
2755 | if (err) | |
2756 | goto ex_put_rcq; | |
2757 | } else | |
2758 | scq = rcq; | |
2759 | ||
2760 | if (use_srq) { | |
2761 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
2762 | if (err) | |
2763 | goto ex_put_scq; | |
2764 | } | |
2765 | ||
54679e14 JM |
2766 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
2767 | update_pkey_index(dev, slave, inbox); | |
c82e9aa0 EC |
2768 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
2769 | if (err) | |
2770 | goto ex_put_srq; | |
2771 | atomic_inc(&mtt->ref_count); | |
2772 | qp->mtt = mtt; | |
2773 | atomic_inc(&rcq->ref_count); | |
2774 | qp->rcq = rcq; | |
2775 | atomic_inc(&scq->ref_count); | |
2776 | qp->scq = scq; | |
2777 | ||
2778 | if (scqn != rcqn) | |
2779 | put_res(dev, slave, scqn, RES_CQ); | |
2780 | ||
2781 | if (use_srq) { | |
2782 | atomic_inc(&srq->ref_count); | |
2783 | put_res(dev, slave, srqn, RES_SRQ); | |
2784 | qp->srq = srq; | |
2785 | } | |
2786 | put_res(dev, slave, rcqn, RES_CQ); | |
2b8fb286 | 2787 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
2788 | res_end_move(dev, slave, RES_QP, qpn); |
2789 | ||
2790 | return 0; | |
2791 | ||
2792 | ex_put_srq: | |
2793 | if (use_srq) | |
2794 | put_res(dev, slave, srqn, RES_SRQ); | |
2795 | ex_put_scq: | |
2796 | if (scqn != rcqn) | |
2797 | put_res(dev, slave, scqn, RES_CQ); | |
2798 | ex_put_rcq: | |
2799 | put_res(dev, slave, rcqn, RES_CQ); | |
2800 | ex_put_mtt: | |
2b8fb286 | 2801 | put_res(dev, slave, mtt_base, RES_MTT); |
c82e9aa0 EC |
2802 | ex_abort: |
2803 | res_abort_move(dev, slave, RES_QP, qpn); | |
2804 | ||
2805 | return err; | |
2806 | } | |
2807 | ||
2b8fb286 | 2808 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
c82e9aa0 EC |
2809 | { |
2810 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; | |
2811 | } | |
2812 | ||
2813 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) | |
2814 | { | |
2815 | int log_eq_size = eqc->log_eq_size & 0x1f; | |
2816 | int page_shift = (eqc->log_page_size & 0x3f) + 12; | |
2817 | ||
2818 | if (log_eq_size + 5 < page_shift) | |
2819 | return 1; | |
2820 | ||
2821 | return 1 << (log_eq_size + 5 - page_shift); | |
2822 | } | |
2823 | ||
2b8fb286 | 2824 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
c82e9aa0 EC |
2825 | { |
2826 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; | |
2827 | } | |
2828 | ||
2829 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) | |
2830 | { | |
2831 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; | |
2832 | int page_shift = (cqc->log_page_size & 0x3f) + 12; | |
2833 | ||
2834 | if (log_cq_size + 5 < page_shift) | |
2835 | return 1; | |
2836 | ||
2837 | return 1 << (log_cq_size + 5 - page_shift); | |
2838 | } | |
2839 | ||
2840 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
2841 | struct mlx4_vhcr *vhcr, | |
2842 | struct mlx4_cmd_mailbox *inbox, | |
2843 | struct mlx4_cmd_mailbox *outbox, | |
2844 | struct mlx4_cmd_info *cmd) | |
2845 | { | |
2846 | int err; | |
2847 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 2848 | int res_id = (slave << 10) | eqn; |
c82e9aa0 | 2849 | struct mlx4_eq_context *eqc = inbox->buf; |
2b8fb286 | 2850 | int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
2851 | int mtt_size = eq_get_mtt_size(eqc); |
2852 | struct res_eq *eq; | |
2853 | struct res_mtt *mtt; | |
2854 | ||
2855 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2856 | if (err) | |
2857 | return err; | |
2858 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); | |
2859 | if (err) | |
2860 | goto out_add; | |
2861 | ||
2b8fb286 | 2862 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
2863 | if (err) |
2864 | goto out_move; | |
2865 | ||
2866 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); | |
2867 | if (err) | |
2868 | goto out_put; | |
2869 | ||
2870 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2871 | if (err) | |
2872 | goto out_put; | |
2873 | ||
2874 | atomic_inc(&mtt->ref_count); | |
2875 | eq->mtt = mtt; | |
2876 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2877 | res_end_move(dev, slave, RES_EQ, res_id); | |
2878 | return 0; | |
2879 | ||
2880 | out_put: | |
2881 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
2882 | out_move: | |
2883 | res_abort_move(dev, slave, RES_EQ, res_id); | |
2884 | out_add: | |
2885 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
2886 | return err; | |
2887 | } | |
2888 | ||
d475c95b MB |
2889 | int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave, |
2890 | struct mlx4_vhcr *vhcr, | |
2891 | struct mlx4_cmd_mailbox *inbox, | |
2892 | struct mlx4_cmd_mailbox *outbox, | |
2893 | struct mlx4_cmd_info *cmd) | |
2894 | { | |
2895 | int err; | |
2896 | u8 get = vhcr->op_modifier; | |
2897 | ||
2898 | if (get != 1) | |
2899 | return -EPERM; | |
2900 | ||
2901 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
2902 | ||
2903 | return err; | |
2904 | } | |
2905 | ||
c82e9aa0 EC |
2906 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, |
2907 | int len, struct res_mtt **res) | |
2908 | { | |
2909 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2910 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
2911 | struct res_mtt *mtt; | |
2912 | int err = -EINVAL; | |
2913 | ||
2914 | spin_lock_irq(mlx4_tlock(dev)); | |
2915 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], | |
2916 | com.list) { | |
2917 | if (!check_mtt_range(dev, slave, start, len, mtt)) { | |
2918 | *res = mtt; | |
2919 | mtt->com.from_state = mtt->com.state; | |
2920 | mtt->com.state = RES_MTT_BUSY; | |
2921 | err = 0; | |
2922 | break; | |
2923 | } | |
2924 | } | |
2925 | spin_unlock_irq(mlx4_tlock(dev)); | |
2926 | ||
2927 | return err; | |
2928 | } | |
2929 | ||
54679e14 | 2930 | static int verify_qp_parameters(struct mlx4_dev *dev, |
99ec41d0 | 2931 | struct mlx4_vhcr *vhcr, |
54679e14 JM |
2932 | struct mlx4_cmd_mailbox *inbox, |
2933 | enum qp_transition transition, u8 slave) | |
2934 | { | |
2935 | u32 qp_type; | |
99ec41d0 | 2936 | u32 qpn; |
54679e14 JM |
2937 | struct mlx4_qp_context *qp_ctx; |
2938 | enum mlx4_qp_optpar optpar; | |
b6ffaeff JM |
2939 | int port; |
2940 | int num_gids; | |
54679e14 JM |
2941 | |
2942 | qp_ctx = inbox->buf + 8; | |
2943 | qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; | |
2944 | optpar = be32_to_cpu(*(__be32 *) inbox->buf); | |
2945 | ||
fc31e256 | 2946 | if (slave != mlx4_master_func_num(dev)) { |
53f33ae2 | 2947 | qp_ctx->params2 &= ~MLX4_QP_BIT_FPP; |
fc31e256 OG |
2948 | /* setting QP rate-limit is disallowed for VFs */ |
2949 | if (qp_ctx->rate_limit_params) | |
2950 | return -EPERM; | |
2951 | } | |
53f33ae2 | 2952 | |
54679e14 JM |
2953 | switch (qp_type) { |
2954 | case MLX4_QP_ST_RC: | |
b6ffaeff | 2955 | case MLX4_QP_ST_XRC: |
54679e14 JM |
2956 | case MLX4_QP_ST_UC: |
2957 | switch (transition) { | |
2958 | case QP_TRANS_INIT2RTR: | |
2959 | case QP_TRANS_RTR2RTS: | |
2960 | case QP_TRANS_RTS2RTS: | |
2961 | case QP_TRANS_SQD2SQD: | |
2962 | case QP_TRANS_SQD2RTS: | |
2963 | if (slave != mlx4_master_func_num(dev)) | |
b6ffaeff JM |
2964 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
2965 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
2966 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) | |
449fc488 | 2967 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
2968 | else |
2969 | num_gids = 1; | |
2970 | if (qp_ctx->pri_path.mgid_index >= num_gids) | |
54679e14 | 2971 | return -EINVAL; |
b6ffaeff JM |
2972 | } |
2973 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
2974 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; | |
2975 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) | |
449fc488 | 2976 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
2977 | else |
2978 | num_gids = 1; | |
2979 | if (qp_ctx->alt_path.mgid_index >= num_gids) | |
54679e14 | 2980 | return -EINVAL; |
b6ffaeff | 2981 | } |
54679e14 JM |
2982 | break; |
2983 | default: | |
2984 | break; | |
2985 | } | |
165cb465 | 2986 | break; |
54679e14 | 2987 | |
165cb465 RD |
2988 | case MLX4_QP_ST_MLX: |
2989 | qpn = vhcr->in_modifier & 0x7fffff; | |
2990 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; | |
2991 | if (transition == QP_TRANS_INIT2RTR && | |
2992 | slave != mlx4_master_func_num(dev) && | |
2993 | mlx4_is_qp_reserved(dev, qpn) && | |
2994 | !mlx4_vf_smi_enabled(dev, slave, port)) { | |
2995 | /* only enabled VFs may create MLX proxy QPs */ | |
2996 | mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n", | |
2997 | __func__, slave, port); | |
2998 | return -EPERM; | |
2999 | } | |
54679e14 | 3000 | break; |
165cb465 | 3001 | |
54679e14 JM |
3002 | default: |
3003 | break; | |
3004 | } | |
3005 | ||
3006 | return 0; | |
3007 | } | |
3008 | ||
c82e9aa0 EC |
3009 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, |
3010 | struct mlx4_vhcr *vhcr, | |
3011 | struct mlx4_cmd_mailbox *inbox, | |
3012 | struct mlx4_cmd_mailbox *outbox, | |
3013 | struct mlx4_cmd_info *cmd) | |
3014 | { | |
3015 | struct mlx4_mtt mtt; | |
3016 | __be64 *page_list = inbox->buf; | |
3017 | u64 *pg_list = (u64 *)page_list; | |
3018 | int i; | |
3019 | struct res_mtt *rmtt = NULL; | |
3020 | int start = be64_to_cpu(page_list[0]); | |
3021 | int npages = vhcr->in_modifier; | |
3022 | int err; | |
3023 | ||
3024 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); | |
3025 | if (err) | |
3026 | return err; | |
3027 | ||
3028 | /* Call the SW implementation of write_mtt: | |
3029 | * - Prepare a dummy mtt struct | |
dbedd44e | 3030 | * - Translate inbox contents to simple addresses in host endianness */ |
2b8fb286 MA |
3031 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
3032 | we don't really use it */ | |
c82e9aa0 EC |
3033 | mtt.order = 0; |
3034 | mtt.page_shift = 0; | |
3035 | for (i = 0; i < npages; ++i) | |
3036 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); | |
3037 | ||
3038 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, | |
3039 | ((u64 *)page_list + 2)); | |
3040 | ||
3041 | if (rmtt) | |
3042 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); | |
3043 | ||
3044 | return err; | |
3045 | } | |
3046 | ||
3047 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
3048 | struct mlx4_vhcr *vhcr, | |
3049 | struct mlx4_cmd_mailbox *inbox, | |
3050 | struct mlx4_cmd_mailbox *outbox, | |
3051 | struct mlx4_cmd_info *cmd) | |
3052 | { | |
3053 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 3054 | int res_id = eqn | (slave << 10); |
c82e9aa0 EC |
3055 | struct res_eq *eq; |
3056 | int err; | |
3057 | ||
3058 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); | |
3059 | if (err) | |
3060 | return err; | |
3061 | ||
3062 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); | |
3063 | if (err) | |
3064 | goto ex_abort; | |
3065 | ||
3066 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3067 | if (err) | |
3068 | goto ex_put; | |
3069 | ||
3070 | atomic_dec(&eq->mtt->ref_count); | |
3071 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
3072 | res_end_move(dev, slave, RES_EQ, res_id); | |
3073 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); | |
3074 | ||
3075 | return 0; | |
3076 | ||
3077 | ex_put: | |
3078 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); | |
3079 | ex_abort: | |
3080 | res_abort_move(dev, slave, RES_EQ, res_id); | |
3081 | ||
3082 | return err; | |
3083 | } | |
3084 | ||
3085 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) | |
3086 | { | |
3087 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3088 | struct mlx4_slave_event_eq_info *event_eq; | |
3089 | struct mlx4_cmd_mailbox *mailbox; | |
3090 | u32 in_modifier = 0; | |
3091 | int err; | |
3092 | int res_id; | |
3093 | struct res_eq *req; | |
3094 | ||
3095 | if (!priv->mfunc.master.slave_state) | |
3096 | return -EINVAL; | |
3097 | ||
bffb023a JM |
3098 | /* check for slave valid, slave not PF, and slave active */ |
3099 | if (slave < 0 || slave > dev->persist->num_vfs || | |
3100 | slave == dev->caps.function || | |
3101 | !priv->mfunc.master.slave_state[slave].active) | |
3102 | return 0; | |
3103 | ||
803143fb | 3104 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
c82e9aa0 EC |
3105 | |
3106 | /* Create the event only if the slave is registered */ | |
803143fb | 3107 | if (event_eq->eqn < 0) |
c82e9aa0 EC |
3108 | return 0; |
3109 | ||
3110 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
2d3c7397 | 3111 | res_id = (slave << 10) | event_eq->eqn; |
c82e9aa0 EC |
3112 | err = get_res(dev, slave, res_id, RES_EQ, &req); |
3113 | if (err) | |
3114 | goto unlock; | |
3115 | ||
3116 | if (req->com.from_state != RES_EQ_HW) { | |
3117 | err = -EINVAL; | |
3118 | goto put; | |
3119 | } | |
3120 | ||
3121 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
3122 | if (IS_ERR(mailbox)) { | |
3123 | err = PTR_ERR(mailbox); | |
3124 | goto put; | |
3125 | } | |
3126 | ||
3127 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { | |
3128 | ++event_eq->token; | |
3129 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); | |
3130 | } | |
3131 | ||
3132 | memcpy(mailbox->buf, (u8 *) eqe, 28); | |
3133 | ||
2d3c7397 | 3134 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16); |
c82e9aa0 EC |
3135 | |
3136 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, | |
3137 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, | |
3138 | MLX4_CMD_NATIVE); | |
3139 | ||
3140 | put_res(dev, slave, res_id, RES_EQ); | |
3141 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
3142 | mlx4_free_cmd_mailbox(dev, mailbox); | |
3143 | return err; | |
3144 | ||
3145 | put: | |
3146 | put_res(dev, slave, res_id, RES_EQ); | |
3147 | ||
3148 | unlock: | |
3149 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); | |
3150 | return err; | |
3151 | } | |
3152 | ||
3153 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, | |
3154 | struct mlx4_vhcr *vhcr, | |
3155 | struct mlx4_cmd_mailbox *inbox, | |
3156 | struct mlx4_cmd_mailbox *outbox, | |
3157 | struct mlx4_cmd_info *cmd) | |
3158 | { | |
3159 | int eqn = vhcr->in_modifier; | |
2d3c7397 | 3160 | int res_id = eqn | (slave << 10); |
c82e9aa0 EC |
3161 | struct res_eq *eq; |
3162 | int err; | |
3163 | ||
3164 | err = get_res(dev, slave, res_id, RES_EQ, &eq); | |
3165 | if (err) | |
3166 | return err; | |
3167 | ||
3168 | if (eq->com.from_state != RES_EQ_HW) { | |
3169 | err = -EINVAL; | |
3170 | goto ex_put; | |
3171 | } | |
3172 | ||
3173 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3174 | ||
3175 | ex_put: | |
3176 | put_res(dev, slave, res_id, RES_EQ); | |
3177 | return err; | |
3178 | } | |
3179 | ||
3180 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3181 | struct mlx4_vhcr *vhcr, | |
3182 | struct mlx4_cmd_mailbox *inbox, | |
3183 | struct mlx4_cmd_mailbox *outbox, | |
3184 | struct mlx4_cmd_info *cmd) | |
3185 | { | |
3186 | int err; | |
3187 | int cqn = vhcr->in_modifier; | |
3188 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 3189 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c1c52db1 | 3190 | struct res_cq *cq = NULL; |
c82e9aa0 EC |
3191 | struct res_mtt *mtt; |
3192 | ||
3193 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); | |
3194 | if (err) | |
3195 | return err; | |
2b8fb286 | 3196 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3197 | if (err) |
3198 | goto out_move; | |
3199 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
3200 | if (err) | |
3201 | goto out_put; | |
3202 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3203 | if (err) | |
3204 | goto out_put; | |
3205 | atomic_inc(&mtt->ref_count); | |
3206 | cq->mtt = mtt; | |
3207 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3208 | res_end_move(dev, slave, RES_CQ, cqn); | |
3209 | return 0; | |
3210 | ||
3211 | out_put: | |
3212 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3213 | out_move: | |
3214 | res_abort_move(dev, slave, RES_CQ, cqn); | |
3215 | return err; | |
3216 | } | |
3217 | ||
3218 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3219 | struct mlx4_vhcr *vhcr, | |
3220 | struct mlx4_cmd_mailbox *inbox, | |
3221 | struct mlx4_cmd_mailbox *outbox, | |
3222 | struct mlx4_cmd_info *cmd) | |
3223 | { | |
3224 | int err; | |
3225 | int cqn = vhcr->in_modifier; | |
c1c52db1 | 3226 | struct res_cq *cq = NULL; |
c82e9aa0 EC |
3227 | |
3228 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); | |
3229 | if (err) | |
3230 | return err; | |
3231 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3232 | if (err) | |
3233 | goto out_move; | |
3234 | atomic_dec(&cq->mtt->ref_count); | |
3235 | res_end_move(dev, slave, RES_CQ, cqn); | |
3236 | return 0; | |
3237 | ||
3238 | out_move: | |
3239 | res_abort_move(dev, slave, RES_CQ, cqn); | |
3240 | return err; | |
3241 | } | |
3242 | ||
3243 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3244 | struct mlx4_vhcr *vhcr, | |
3245 | struct mlx4_cmd_mailbox *inbox, | |
3246 | struct mlx4_cmd_mailbox *outbox, | |
3247 | struct mlx4_cmd_info *cmd) | |
3248 | { | |
3249 | int cqn = vhcr->in_modifier; | |
3250 | struct res_cq *cq; | |
3251 | int err; | |
3252 | ||
3253 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
3254 | if (err) | |
3255 | return err; | |
3256 | ||
3257 | if (cq->com.from_state != RES_CQ_HW) | |
3258 | goto ex_put; | |
3259 | ||
3260 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3261 | ex_put: | |
3262 | put_res(dev, slave, cqn, RES_CQ); | |
3263 | ||
3264 | return err; | |
3265 | } | |
3266 | ||
3267 | static int handle_resize(struct mlx4_dev *dev, int slave, | |
3268 | struct mlx4_vhcr *vhcr, | |
3269 | struct mlx4_cmd_mailbox *inbox, | |
3270 | struct mlx4_cmd_mailbox *outbox, | |
3271 | struct mlx4_cmd_info *cmd, | |
3272 | struct res_cq *cq) | |
3273 | { | |
3274 | int err; | |
3275 | struct res_mtt *orig_mtt; | |
3276 | struct res_mtt *mtt; | |
3277 | struct mlx4_cq_context *cqc = inbox->buf; | |
2b8fb286 | 3278 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
3279 | |
3280 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); | |
3281 | if (err) | |
3282 | return err; | |
3283 | ||
3284 | if (orig_mtt != cq->mtt) { | |
3285 | err = -EINVAL; | |
3286 | goto ex_put; | |
3287 | } | |
3288 | ||
2b8fb286 | 3289 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3290 | if (err) |
3291 | goto ex_put; | |
3292 | ||
3293 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); | |
3294 | if (err) | |
3295 | goto ex_put1; | |
3296 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3297 | if (err) | |
3298 | goto ex_put1; | |
3299 | atomic_dec(&orig_mtt->ref_count); | |
3300 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
3301 | atomic_inc(&mtt->ref_count); | |
3302 | cq->mtt = mtt; | |
3303 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3304 | return 0; | |
3305 | ||
3306 | ex_put1: | |
3307 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3308 | ex_put: | |
3309 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); | |
3310 | ||
3311 | return err; | |
3312 | ||
3313 | } | |
3314 | ||
3315 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, | |
3316 | struct mlx4_vhcr *vhcr, | |
3317 | struct mlx4_cmd_mailbox *inbox, | |
3318 | struct mlx4_cmd_mailbox *outbox, | |
3319 | struct mlx4_cmd_info *cmd) | |
3320 | { | |
3321 | int cqn = vhcr->in_modifier; | |
3322 | struct res_cq *cq; | |
3323 | int err; | |
3324 | ||
3325 | err = get_res(dev, slave, cqn, RES_CQ, &cq); | |
3326 | if (err) | |
3327 | return err; | |
3328 | ||
3329 | if (cq->com.from_state != RES_CQ_HW) | |
3330 | goto ex_put; | |
3331 | ||
3332 | if (vhcr->op_modifier == 0) { | |
3333 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); | |
dcf353b1 | 3334 | goto ex_put; |
c82e9aa0 EC |
3335 | } |
3336 | ||
3337 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3338 | ex_put: | |
3339 | put_res(dev, slave, cqn, RES_CQ); | |
3340 | ||
3341 | return err; | |
3342 | } | |
3343 | ||
c82e9aa0 EC |
3344 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
3345 | { | |
3346 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; | |
3347 | int log_rq_stride = srqc->logstride & 7; | |
3348 | int page_shift = (srqc->log_page_size & 0x3f) + 12; | |
3349 | ||
3350 | if (log_srq_size + log_rq_stride + 4 < page_shift) | |
3351 | return 1; | |
3352 | ||
3353 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); | |
3354 | } | |
3355 | ||
3356 | int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3357 | struct mlx4_vhcr *vhcr, | |
3358 | struct mlx4_cmd_mailbox *inbox, | |
3359 | struct mlx4_cmd_mailbox *outbox, | |
3360 | struct mlx4_cmd_info *cmd) | |
3361 | { | |
3362 | int err; | |
3363 | int srqn = vhcr->in_modifier; | |
3364 | struct res_mtt *mtt; | |
c1c52db1 | 3365 | struct res_srq *srq = NULL; |
c82e9aa0 | 3366 | struct mlx4_srq_context *srqc = inbox->buf; |
2b8fb286 | 3367 | int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; |
c82e9aa0 EC |
3368 | |
3369 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) | |
3370 | return -EINVAL; | |
3371 | ||
3372 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); | |
3373 | if (err) | |
3374 | return err; | |
2b8fb286 | 3375 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
c82e9aa0 EC |
3376 | if (err) |
3377 | goto ex_abort; | |
3378 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), | |
3379 | mtt); | |
3380 | if (err) | |
3381 | goto ex_put_mtt; | |
3382 | ||
c82e9aa0 EC |
3383 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3384 | if (err) | |
3385 | goto ex_put_mtt; | |
3386 | ||
3387 | atomic_inc(&mtt->ref_count); | |
3388 | srq->mtt = mtt; | |
3389 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3390 | res_end_move(dev, slave, RES_SRQ, srqn); | |
3391 | return 0; | |
3392 | ||
3393 | ex_put_mtt: | |
3394 | put_res(dev, slave, mtt->com.res_id, RES_MTT); | |
3395 | ex_abort: | |
3396 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
3397 | ||
3398 | return err; | |
3399 | } | |
3400 | ||
3401 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3402 | struct mlx4_vhcr *vhcr, | |
3403 | struct mlx4_cmd_mailbox *inbox, | |
3404 | struct mlx4_cmd_mailbox *outbox, | |
3405 | struct mlx4_cmd_info *cmd) | |
3406 | { | |
3407 | int err; | |
3408 | int srqn = vhcr->in_modifier; | |
c1c52db1 | 3409 | struct res_srq *srq = NULL; |
c82e9aa0 EC |
3410 | |
3411 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); | |
3412 | if (err) | |
3413 | return err; | |
3414 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3415 | if (err) | |
3416 | goto ex_abort; | |
3417 | atomic_dec(&srq->mtt->ref_count); | |
3418 | if (srq->cq) | |
3419 | atomic_dec(&srq->cq->ref_count); | |
3420 | res_end_move(dev, slave, RES_SRQ, srqn); | |
3421 | ||
3422 | return 0; | |
3423 | ||
3424 | ex_abort: | |
3425 | res_abort_move(dev, slave, RES_SRQ, srqn); | |
3426 | ||
3427 | return err; | |
3428 | } | |
3429 | ||
3430 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3431 | struct mlx4_vhcr *vhcr, | |
3432 | struct mlx4_cmd_mailbox *inbox, | |
3433 | struct mlx4_cmd_mailbox *outbox, | |
3434 | struct mlx4_cmd_info *cmd) | |
3435 | { | |
3436 | int err; | |
3437 | int srqn = vhcr->in_modifier; | |
3438 | struct res_srq *srq; | |
3439 | ||
3440 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
3441 | if (err) | |
3442 | return err; | |
3443 | if (srq->com.from_state != RES_SRQ_HW) { | |
3444 | err = -EBUSY; | |
3445 | goto out; | |
3446 | } | |
3447 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3448 | out: | |
3449 | put_res(dev, slave, srqn, RES_SRQ); | |
3450 | return err; | |
3451 | } | |
3452 | ||
3453 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, | |
3454 | struct mlx4_vhcr *vhcr, | |
3455 | struct mlx4_cmd_mailbox *inbox, | |
3456 | struct mlx4_cmd_mailbox *outbox, | |
3457 | struct mlx4_cmd_info *cmd) | |
3458 | { | |
3459 | int err; | |
3460 | int srqn = vhcr->in_modifier; | |
3461 | struct res_srq *srq; | |
3462 | ||
3463 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); | |
3464 | if (err) | |
3465 | return err; | |
3466 | ||
3467 | if (srq->com.from_state != RES_SRQ_HW) { | |
3468 | err = -EBUSY; | |
3469 | goto out; | |
3470 | } | |
3471 | ||
3472 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3473 | out: | |
3474 | put_res(dev, slave, srqn, RES_SRQ); | |
3475 | return err; | |
3476 | } | |
3477 | ||
3478 | int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3479 | struct mlx4_vhcr *vhcr, | |
3480 | struct mlx4_cmd_mailbox *inbox, | |
3481 | struct mlx4_cmd_mailbox *outbox, | |
3482 | struct mlx4_cmd_info *cmd) | |
3483 | { | |
3484 | int err; | |
3485 | int qpn = vhcr->in_modifier & 0x7fffff; | |
3486 | struct res_qp *qp; | |
3487 | ||
3488 | err = get_res(dev, slave, qpn, RES_QP, &qp); | |
3489 | if (err) | |
3490 | return err; | |
3491 | if (qp->com.from_state != RES_QP_HW) { | |
3492 | err = -EBUSY; | |
3493 | goto out; | |
3494 | } | |
3495 | ||
3496 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3497 | out: | |
3498 | put_res(dev, slave, qpn, RES_QP); | |
3499 | return err; | |
3500 | } | |
3501 | ||
54679e14 JM |
3502 | int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
3503 | struct mlx4_vhcr *vhcr, | |
3504 | struct mlx4_cmd_mailbox *inbox, | |
3505 | struct mlx4_cmd_mailbox *outbox, | |
3506 | struct mlx4_cmd_info *cmd) | |
3507 | { | |
3508 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3509 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3510 | update_pkey_index(dev, slave, inbox); | |
3511 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3512 | } | |
3513 | ||
449fc488 MB |
3514 | static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, |
3515 | struct mlx4_qp_context *qpc, | |
3516 | struct mlx4_cmd_mailbox *inbox) | |
3517 | { | |
3518 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf); | |
3519 | u8 pri_sched_queue; | |
3520 | int port = mlx4_slave_convert_port( | |
3521 | dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1; | |
3522 | ||
3523 | if (port < 0) | |
3524 | return -EINVAL; | |
3525 | ||
3526 | pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) | | |
3527 | ((port & 1) << 6); | |
3528 | ||
3529 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH || | |
3530 | mlx4_is_eth(dev, port + 1)) { | |
3531 | qpc->pri_path.sched_queue = pri_sched_queue; | |
3532 | } | |
3533 | ||
3534 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { | |
3535 | port = mlx4_slave_convert_port( | |
3536 | dev, slave, (qpc->alt_path.sched_queue >> 6 & 1) | |
3537 | + 1) - 1; | |
3538 | if (port < 0) | |
3539 | return -EINVAL; | |
3540 | qpc->alt_path.sched_queue = | |
3541 | (qpc->alt_path.sched_queue & ~(1 << 6)) | | |
3542 | (port & 1) << 6; | |
3543 | } | |
3544 | return 0; | |
3545 | } | |
3546 | ||
2f5bb473 JM |
3547 | static int roce_verify_mac(struct mlx4_dev *dev, int slave, |
3548 | struct mlx4_qp_context *qpc, | |
3549 | struct mlx4_cmd_mailbox *inbox) | |
3550 | { | |
3551 | u64 mac; | |
3552 | int port; | |
3553 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; | |
3554 | u8 sched = *(u8 *)(inbox->buf + 64); | |
3555 | u8 smac_ix; | |
3556 | ||
3557 | port = (sched >> 6 & 1) + 1; | |
3558 | if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) { | |
3559 | smac_ix = qpc->pri_path.grh_mylmc & 0x7f; | |
3560 | if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac)) | |
3561 | return -ENOENT; | |
3562 | } | |
3563 | return 0; | |
3564 | } | |
3565 | ||
c82e9aa0 EC |
3566 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, |
3567 | struct mlx4_vhcr *vhcr, | |
3568 | struct mlx4_cmd_mailbox *inbox, | |
3569 | struct mlx4_cmd_mailbox *outbox, | |
3570 | struct mlx4_cmd_info *cmd) | |
3571 | { | |
54679e14 | 3572 | int err; |
c82e9aa0 | 3573 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
b01978ca JM |
3574 | int qpn = vhcr->in_modifier & 0x7fffff; |
3575 | struct res_qp *qp; | |
3576 | u8 orig_sched_queue; | |
f0f829bf RE |
3577 | __be32 orig_param3 = qpc->param3; |
3578 | u8 orig_vlan_control = qpc->pri_path.vlan_control; | |
3579 | u8 orig_fvl_rx = qpc->pri_path.fvl_rx; | |
3580 | u8 orig_pri_path_fl = qpc->pri_path.fl; | |
3581 | u8 orig_vlan_index = qpc->pri_path.vlan_index; | |
3582 | u8 orig_feup = qpc->pri_path.feup; | |
c82e9aa0 | 3583 | |
449fc488 MB |
3584 | err = adjust_qp_sched_queue(dev, slave, qpc, inbox); |
3585 | if (err) | |
3586 | return err; | |
99ec41d0 | 3587 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave); |
54679e14 JM |
3588 | if (err) |
3589 | return err; | |
3590 | ||
2f5bb473 JM |
3591 | if (roce_verify_mac(dev, slave, qpc, inbox)) |
3592 | return -EINVAL; | |
3593 | ||
54679e14 JM |
3594 | update_pkey_index(dev, slave, inbox); |
3595 | update_gid(dev, inbox, (u8)slave); | |
3596 | adjust_proxy_tun_qkey(dev, vhcr, qpc); | |
b01978ca JM |
3597 | orig_sched_queue = qpc->pri_path.sched_queue; |
3598 | err = update_vport_qp_param(dev, inbox, slave, qpn); | |
3f7fb021 RE |
3599 | if (err) |
3600 | return err; | |
54679e14 | 3601 | |
b01978ca JM |
3602 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
3603 | if (err) | |
3604 | return err; | |
3605 | if (qp->com.from_state != RES_QP_HW) { | |
3606 | err = -EBUSY; | |
3607 | goto out; | |
3608 | } | |
3609 | ||
3610 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3611 | out: | |
3612 | /* if no error, save sched queue value passed in by VF. This is | |
3613 | * essentially the QOS value provided by the VF. This will be useful | |
3614 | * if we allow dynamic changes from VST back to VGT | |
3615 | */ | |
f0f829bf | 3616 | if (!err) { |
b01978ca | 3617 | qp->sched_queue = orig_sched_queue; |
f0f829bf RE |
3618 | qp->param3 = orig_param3; |
3619 | qp->vlan_control = orig_vlan_control; | |
3620 | qp->fvl_rx = orig_fvl_rx; | |
3621 | qp->pri_path_fl = orig_pri_path_fl; | |
3622 | qp->vlan_index = orig_vlan_index; | |
3623 | qp->feup = orig_feup; | |
3624 | } | |
b01978ca JM |
3625 | put_res(dev, slave, qpn, RES_QP); |
3626 | return err; | |
54679e14 JM |
3627 | } |
3628 | ||
3629 | int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3630 | struct mlx4_vhcr *vhcr, | |
3631 | struct mlx4_cmd_mailbox *inbox, | |
3632 | struct mlx4_cmd_mailbox *outbox, | |
3633 | struct mlx4_cmd_info *cmd) | |
3634 | { | |
3635 | int err; | |
3636 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3637 | ||
449fc488 MB |
3638 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3639 | if (err) | |
3640 | return err; | |
99ec41d0 | 3641 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave); |
54679e14 JM |
3642 | if (err) |
3643 | return err; | |
3644 | ||
3645 | update_pkey_index(dev, slave, inbox); | |
3646 | update_gid(dev, inbox, (u8)slave); | |
3647 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3648 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3649 | } | |
3650 | ||
3651 | int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3652 | struct mlx4_vhcr *vhcr, | |
3653 | struct mlx4_cmd_mailbox *inbox, | |
3654 | struct mlx4_cmd_mailbox *outbox, | |
3655 | struct mlx4_cmd_info *cmd) | |
3656 | { | |
3657 | int err; | |
3658 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3659 | ||
449fc488 MB |
3660 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3661 | if (err) | |
3662 | return err; | |
99ec41d0 | 3663 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave); |
54679e14 JM |
3664 | if (err) |
3665 | return err; | |
3666 | ||
3667 | update_pkey_index(dev, slave, inbox); | |
3668 | update_gid(dev, inbox, (u8)slave); | |
3669 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3670 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3671 | } | |
3672 | ||
3673 | ||
3674 | int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3675 | struct mlx4_vhcr *vhcr, | |
3676 | struct mlx4_cmd_mailbox *inbox, | |
3677 | struct mlx4_cmd_mailbox *outbox, | |
3678 | struct mlx4_cmd_info *cmd) | |
3679 | { | |
3680 | struct mlx4_qp_context *context = inbox->buf + 8; | |
449fc488 MB |
3681 | int err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3682 | if (err) | |
3683 | return err; | |
54679e14 JM |
3684 | adjust_proxy_tun_qkey(dev, vhcr, context); |
3685 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3686 | } | |
3687 | ||
3688 | int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3689 | struct mlx4_vhcr *vhcr, | |
3690 | struct mlx4_cmd_mailbox *inbox, | |
3691 | struct mlx4_cmd_mailbox *outbox, | |
3692 | struct mlx4_cmd_info *cmd) | |
3693 | { | |
3694 | int err; | |
3695 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3696 | ||
449fc488 MB |
3697 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3698 | if (err) | |
3699 | return err; | |
99ec41d0 | 3700 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave); |
54679e14 JM |
3701 | if (err) |
3702 | return err; | |
3703 | ||
3704 | adjust_proxy_tun_qkey(dev, vhcr, context); | |
3705 | update_gid(dev, inbox, (u8)slave); | |
3706 | update_pkey_index(dev, slave, inbox); | |
3707 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3708 | } | |
3709 | ||
3710 | int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3711 | struct mlx4_vhcr *vhcr, | |
3712 | struct mlx4_cmd_mailbox *inbox, | |
3713 | struct mlx4_cmd_mailbox *outbox, | |
3714 | struct mlx4_cmd_info *cmd) | |
3715 | { | |
3716 | int err; | |
3717 | struct mlx4_qp_context *context = inbox->buf + 8; | |
3718 | ||
449fc488 MB |
3719 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
3720 | if (err) | |
3721 | return err; | |
99ec41d0 | 3722 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave); |
54679e14 JM |
3723 | if (err) |
3724 | return err; | |
c82e9aa0 | 3725 | |
54679e14 JM |
3726 | adjust_proxy_tun_qkey(dev, vhcr, context); |
3727 | update_gid(dev, inbox, (u8)slave); | |
3728 | update_pkey_index(dev, slave, inbox); | |
c82e9aa0 EC |
3729 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
3730 | } | |
3731 | ||
3732 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, | |
3733 | struct mlx4_vhcr *vhcr, | |
3734 | struct mlx4_cmd_mailbox *inbox, | |
3735 | struct mlx4_cmd_mailbox *outbox, | |
3736 | struct mlx4_cmd_info *cmd) | |
3737 | { | |
3738 | int err; | |
3739 | int qpn = vhcr->in_modifier & 0x7fffff; | |
3740 | struct res_qp *qp; | |
3741 | ||
3742 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); | |
3743 | if (err) | |
3744 | return err; | |
3745 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
3746 | if (err) | |
3747 | goto ex_abort; | |
3748 | ||
3749 | atomic_dec(&qp->mtt->ref_count); | |
3750 | atomic_dec(&qp->rcq->ref_count); | |
3751 | atomic_dec(&qp->scq->ref_count); | |
3752 | if (qp->srq) | |
3753 | atomic_dec(&qp->srq->ref_count); | |
3754 | res_end_move(dev, slave, RES_QP, qpn); | |
3755 | return 0; | |
3756 | ||
3757 | ex_abort: | |
3758 | res_abort_move(dev, slave, RES_QP, qpn); | |
3759 | ||
3760 | return err; | |
3761 | } | |
3762 | ||
3763 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, | |
3764 | struct res_qp *rqp, u8 *gid) | |
3765 | { | |
3766 | struct res_gid *res; | |
3767 | ||
3768 | list_for_each_entry(res, &rqp->mcg_list, list) { | |
3769 | if (!memcmp(res->gid, gid, 16)) | |
3770 | return res; | |
3771 | } | |
3772 | return NULL; | |
3773 | } | |
3774 | ||
3775 | static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 | 3776 | u8 *gid, enum mlx4_protocol prot, |
fab1e24a | 3777 | enum mlx4_steer_type steer, u64 reg_id) |
c82e9aa0 EC |
3778 | { |
3779 | struct res_gid *res; | |
3780 | int err; | |
3781 | ||
3782 | res = kzalloc(sizeof *res, GFP_KERNEL); | |
3783 | if (!res) | |
3784 | return -ENOMEM; | |
3785 | ||
3786 | spin_lock_irq(&rqp->mcg_spl); | |
3787 | if (find_gid(dev, slave, rqp, gid)) { | |
3788 | kfree(res); | |
3789 | err = -EEXIST; | |
3790 | } else { | |
3791 | memcpy(res->gid, gid, 16); | |
3792 | res->prot = prot; | |
9f5b6c63 | 3793 | res->steer = steer; |
fab1e24a | 3794 | res->reg_id = reg_id; |
c82e9aa0 EC |
3795 | list_add_tail(&res->list, &rqp->mcg_list); |
3796 | err = 0; | |
3797 | } | |
3798 | spin_unlock_irq(&rqp->mcg_spl); | |
3799 | ||
3800 | return err; | |
3801 | } | |
3802 | ||
3803 | static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, | |
9f5b6c63 | 3804 | u8 *gid, enum mlx4_protocol prot, |
fab1e24a | 3805 | enum mlx4_steer_type steer, u64 *reg_id) |
c82e9aa0 EC |
3806 | { |
3807 | struct res_gid *res; | |
3808 | int err; | |
3809 | ||
3810 | spin_lock_irq(&rqp->mcg_spl); | |
3811 | res = find_gid(dev, slave, rqp, gid); | |
9f5b6c63 | 3812 | if (!res || res->prot != prot || res->steer != steer) |
c82e9aa0 EC |
3813 | err = -EINVAL; |
3814 | else { | |
fab1e24a | 3815 | *reg_id = res->reg_id; |
c82e9aa0 EC |
3816 | list_del(&res->list); |
3817 | kfree(res); | |
3818 | err = 0; | |
3819 | } | |
3820 | spin_unlock_irq(&rqp->mcg_spl); | |
3821 | ||
3822 | return err; | |
3823 | } | |
3824 | ||
449fc488 MB |
3825 | static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp, |
3826 | u8 gid[16], int block_loopback, enum mlx4_protocol prot, | |
fab1e24a HHZ |
3827 | enum mlx4_steer_type type, u64 *reg_id) |
3828 | { | |
3829 | switch (dev->caps.steering_mode) { | |
449fc488 MB |
3830 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { |
3831 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
3832 | if (port < 0) | |
3833 | return port; | |
3834 | return mlx4_trans_to_dmfs_attach(dev, qp, gid, port, | |
fab1e24a HHZ |
3835 | block_loopback, prot, |
3836 | reg_id); | |
449fc488 | 3837 | } |
fab1e24a | 3838 | case MLX4_STEERING_MODE_B0: |
449fc488 MB |
3839 | if (prot == MLX4_PROT_ETH) { |
3840 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
3841 | if (port < 0) | |
3842 | return port; | |
3843 | gid[5] = port; | |
3844 | } | |
fab1e24a HHZ |
3845 | return mlx4_qp_attach_common(dev, qp, gid, |
3846 | block_loopback, prot, type); | |
3847 | default: | |
3848 | return -EINVAL; | |
3849 | } | |
3850 | } | |
3851 | ||
449fc488 MB |
3852 | static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, |
3853 | u8 gid[16], enum mlx4_protocol prot, | |
3854 | enum mlx4_steer_type type, u64 reg_id) | |
fab1e24a HHZ |
3855 | { |
3856 | switch (dev->caps.steering_mode) { | |
3857 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
3858 | return mlx4_flow_detach(dev, reg_id); | |
3859 | case MLX4_STEERING_MODE_B0: | |
3860 | return mlx4_qp_detach_common(dev, qp, gid, prot, type); | |
3861 | default: | |
3862 | return -EINVAL; | |
3863 | } | |
3864 | } | |
3865 | ||
531d9014 JM |
3866 | static int mlx4_adjust_port(struct mlx4_dev *dev, int slave, |
3867 | u8 *gid, enum mlx4_protocol prot) | |
3868 | { | |
3869 | int real_port; | |
3870 | ||
3871 | if (prot != MLX4_PROT_ETH) | |
3872 | return 0; | |
3873 | ||
3874 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 || | |
3875 | dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
3876 | real_port = mlx4_slave_convert_port(dev, slave, gid[5]); | |
3877 | if (real_port < 0) | |
3878 | return -EINVAL; | |
3879 | gid[5] = real_port; | |
3880 | } | |
3881 | ||
3882 | return 0; | |
3883 | } | |
3884 | ||
c82e9aa0 EC |
3885 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
3886 | struct mlx4_vhcr *vhcr, | |
3887 | struct mlx4_cmd_mailbox *inbox, | |
3888 | struct mlx4_cmd_mailbox *outbox, | |
3889 | struct mlx4_cmd_info *cmd) | |
3890 | { | |
3891 | struct mlx4_qp qp; /* dummy for calling attach/detach */ | |
3892 | u8 *gid = inbox->buf; | |
3893 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; | |
162344ed | 3894 | int err; |
c82e9aa0 EC |
3895 | int qpn; |
3896 | struct res_qp *rqp; | |
fab1e24a | 3897 | u64 reg_id = 0; |
c82e9aa0 EC |
3898 | int attach = vhcr->op_modifier; |
3899 | int block_loopback = vhcr->in_modifier >> 31; | |
3900 | u8 steer_type_mask = 2; | |
75c6062c | 3901 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
c82e9aa0 EC |
3902 | |
3903 | qpn = vhcr->in_modifier & 0xffffff; | |
3904 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
3905 | if (err) | |
3906 | return err; | |
3907 | ||
3908 | qp.qpn = qpn; | |
3909 | if (attach) { | |
449fc488 | 3910 | err = qp_attach(dev, slave, &qp, gid, block_loopback, prot, |
fab1e24a HHZ |
3911 | type, ®_id); |
3912 | if (err) { | |
3913 | pr_err("Fail to attach rule to qp 0x%x\n", qpn); | |
c82e9aa0 | 3914 | goto ex_put; |
fab1e24a HHZ |
3915 | } |
3916 | err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id); | |
c82e9aa0 | 3917 | if (err) |
fab1e24a | 3918 | goto ex_detach; |
c82e9aa0 | 3919 | } else { |
531d9014 JM |
3920 | err = mlx4_adjust_port(dev, slave, gid, prot); |
3921 | if (err) | |
3922 | goto ex_put; | |
3923 | ||
fab1e24a | 3924 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id); |
c82e9aa0 EC |
3925 | if (err) |
3926 | goto ex_put; | |
c82e9aa0 | 3927 | |
fab1e24a HHZ |
3928 | err = qp_detach(dev, &qp, gid, prot, type, reg_id); |
3929 | if (err) | |
3930 | pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n", | |
3931 | qpn, reg_id); | |
3932 | } | |
c82e9aa0 | 3933 | put_res(dev, slave, qpn, RES_QP); |
fab1e24a | 3934 | return err; |
c82e9aa0 | 3935 | |
fab1e24a HHZ |
3936 | ex_detach: |
3937 | qp_detach(dev, &qp, gid, prot, type, reg_id); | |
c82e9aa0 EC |
3938 | ex_put: |
3939 | put_res(dev, slave, qpn, RES_QP); | |
c82e9aa0 EC |
3940 | return err; |
3941 | } | |
3942 | ||
7fb40f87 HHZ |
3943 | /* |
3944 | * MAC validation for Flow Steering rules. | |
3945 | * VF can attach rules only with a mac address which is assigned to it. | |
3946 | */ | |
3947 | static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, | |
3948 | struct list_head *rlist) | |
3949 | { | |
3950 | struct mac_res *res, *tmp; | |
3951 | __be64 be_mac; | |
3952 | ||
3953 | /* make sure it isn't multicast or broadcast mac*/ | |
3954 | if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && | |
3955 | !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { | |
3956 | list_for_each_entry_safe(res, tmp, rlist, list) { | |
3957 | be_mac = cpu_to_be64(res->mac << 16); | |
c0623e58 | 3958 | if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) |
7fb40f87 HHZ |
3959 | return 0; |
3960 | } | |
3961 | pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", | |
3962 | eth_header->eth.dst_mac, slave); | |
3963 | return -EINVAL; | |
3964 | } | |
3965 | return 0; | |
3966 | } | |
3967 | ||
3968 | /* | |
3969 | * In case of missing eth header, append eth header with a MAC address | |
3970 | * assigned to the VF. | |
3971 | */ | |
3972 | static int add_eth_header(struct mlx4_dev *dev, int slave, | |
3973 | struct mlx4_cmd_mailbox *inbox, | |
3974 | struct list_head *rlist, int header_id) | |
3975 | { | |
3976 | struct mac_res *res, *tmp; | |
3977 | u8 port; | |
3978 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; | |
3979 | struct mlx4_net_trans_rule_hw_eth *eth_header; | |
3980 | struct mlx4_net_trans_rule_hw_ipv4 *ip_header; | |
3981 | struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; | |
3982 | __be64 be_mac = 0; | |
3983 | __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); | |
3984 | ||
3985 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; | |
015465f8 | 3986 | port = ctrl->port; |
7fb40f87 HHZ |
3987 | eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); |
3988 | ||
3989 | /* Clear a space in the inbox for eth header */ | |
3990 | switch (header_id) { | |
3991 | case MLX4_NET_TRANS_RULE_ID_IPV4: | |
3992 | ip_header = | |
3993 | (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); | |
3994 | memmove(ip_header, eth_header, | |
3995 | sizeof(*ip_header) + sizeof(*l4_header)); | |
3996 | break; | |
3997 | case MLX4_NET_TRANS_RULE_ID_TCP: | |
3998 | case MLX4_NET_TRANS_RULE_ID_UDP: | |
3999 | l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) | |
4000 | (eth_header + 1); | |
4001 | memmove(l4_header, eth_header, sizeof(*l4_header)); | |
4002 | break; | |
4003 | default: | |
4004 | return -EINVAL; | |
4005 | } | |
4006 | list_for_each_entry_safe(res, tmp, rlist, list) { | |
4007 | if (port == res->port) { | |
4008 | be_mac = cpu_to_be64(res->mac << 16); | |
4009 | break; | |
4010 | } | |
4011 | } | |
4012 | if (!be_mac) { | |
1a91de28 | 4013 | pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n", |
7fb40f87 HHZ |
4014 | port); |
4015 | return -EINVAL; | |
4016 | } | |
4017 | ||
4018 | memset(eth_header, 0, sizeof(*eth_header)); | |
4019 | eth_header->size = sizeof(*eth_header) >> 2; | |
4020 | eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); | |
4021 | memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); | |
4022 | memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); | |
4023 | ||
4024 | return 0; | |
4025 | ||
4026 | } | |
4027 | ||
ce8d9e0d MB |
4028 | #define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX) |
4029 | int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, | |
4030 | struct mlx4_vhcr *vhcr, | |
4031 | struct mlx4_cmd_mailbox *inbox, | |
4032 | struct mlx4_cmd_mailbox *outbox, | |
4033 | struct mlx4_cmd_info *cmd_info) | |
4034 | { | |
4035 | int err; | |
4036 | u32 qpn = vhcr->in_modifier & 0xffffff; | |
4037 | struct res_qp *rqp; | |
4038 | u64 mac; | |
4039 | unsigned port; | |
4040 | u64 pri_addr_path_mask; | |
4041 | struct mlx4_update_qp_context *cmd; | |
4042 | int smac_index; | |
4043 | ||
4044 | cmd = (struct mlx4_update_qp_context *)inbox->buf; | |
4045 | ||
4046 | pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask); | |
4047 | if (cmd->qp_mask || cmd->secondary_addr_path_mask || | |
4048 | (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED)) | |
4049 | return -EPERM; | |
4050 | ||
4051 | /* Just change the smac for the QP */ | |
4052 | err = get_res(dev, slave, qpn, RES_QP, &rqp); | |
4053 | if (err) { | |
4054 | mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave); | |
4055 | return err; | |
4056 | } | |
4057 | ||
4058 | port = (rqp->sched_queue >> 6 & 1) + 1; | |
b7834758 MB |
4059 | |
4060 | if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) { | |
4061 | smac_index = cmd->qp_context.pri_path.grh_mylmc; | |
4062 | err = mac_find_smac_ix_in_slave(dev, slave, port, | |
4063 | smac_index, &mac); | |
4064 | ||
4065 | if (err) { | |
4066 | mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n", | |
4067 | qpn, smac_index); | |
4068 | goto err_mac; | |
4069 | } | |
ce8d9e0d MB |
4070 | } |
4071 | ||
4072 | err = mlx4_cmd(dev, inbox->dma, | |
4073 | vhcr->in_modifier, 0, | |
4074 | MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A, | |
4075 | MLX4_CMD_NATIVE); | |
4076 | if (err) { | |
4077 | mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn); | |
4078 | goto err_mac; | |
4079 | } | |
4080 | ||
4081 | err_mac: | |
4082 | put_res(dev, slave, qpn, RES_QP); | |
4083 | return err; | |
4084 | } | |
4085 | ||
8fcfb4db HHZ |
4086 | int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
4087 | struct mlx4_vhcr *vhcr, | |
4088 | struct mlx4_cmd_mailbox *inbox, | |
4089 | struct mlx4_cmd_mailbox *outbox, | |
4090 | struct mlx4_cmd_info *cmd) | |
4091 | { | |
7fb40f87 HHZ |
4092 | |
4093 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4094 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4095 | struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; | |
1b9c6b06 | 4096 | int err; |
a9c01e7a | 4097 | int qpn; |
2c473ae7 | 4098 | struct res_qp *rqp; |
7fb40f87 HHZ |
4099 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
4100 | struct _rule_hw *rule_header; | |
4101 | int header_id; | |
1b9c6b06 | 4102 | |
0ff1fb65 HHZ |
4103 | if (dev->caps.steering_mode != |
4104 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
4105 | return -EOPNOTSUPP; | |
1b9c6b06 | 4106 | |
7fb40f87 | 4107 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
449fc488 MB |
4108 | ctrl->port = mlx4_slave_convert_port(dev, slave, ctrl->port); |
4109 | if (ctrl->port <= 0) | |
4110 | return -EINVAL; | |
a9c01e7a | 4111 | qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; |
2c473ae7 | 4112 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
a9c01e7a | 4113 | if (err) { |
1a91de28 | 4114 | pr_err("Steering rule with qpn 0x%x rejected\n", qpn); |
a9c01e7a HHZ |
4115 | return err; |
4116 | } | |
7fb40f87 HHZ |
4117 | rule_header = (struct _rule_hw *)(ctrl + 1); |
4118 | header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); | |
4119 | ||
4120 | switch (header_id) { | |
4121 | case MLX4_NET_TRANS_RULE_ID_ETH: | |
a9c01e7a HHZ |
4122 | if (validate_eth_header_mac(slave, rule_header, rlist)) { |
4123 | err = -EINVAL; | |
4124 | goto err_put; | |
4125 | } | |
7fb40f87 | 4126 | break; |
60396683 JM |
4127 | case MLX4_NET_TRANS_RULE_ID_IB: |
4128 | break; | |
7fb40f87 HHZ |
4129 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
4130 | case MLX4_NET_TRANS_RULE_ID_TCP: | |
4131 | case MLX4_NET_TRANS_RULE_ID_UDP: | |
1a91de28 | 4132 | pr_warn("Can't attach FS rule without L2 headers, adding L2 header\n"); |
a9c01e7a HHZ |
4133 | if (add_eth_header(dev, slave, inbox, rlist, header_id)) { |
4134 | err = -EINVAL; | |
4135 | goto err_put; | |
4136 | } | |
7fb40f87 HHZ |
4137 | vhcr->in_modifier += |
4138 | sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; | |
4139 | break; | |
4140 | default: | |
1a91de28 | 4141 | pr_err("Corrupted mailbox\n"); |
a9c01e7a HHZ |
4142 | err = -EINVAL; |
4143 | goto err_put; | |
7fb40f87 HHZ |
4144 | } |
4145 | ||
1b9c6b06 HHZ |
4146 | err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, |
4147 | vhcr->in_modifier, 0, | |
4148 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, | |
4149 | MLX4_CMD_NATIVE); | |
4150 | if (err) | |
a9c01e7a | 4151 | goto err_put; |
1b9c6b06 | 4152 | |
2c473ae7 | 4153 | err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn); |
1b9c6b06 | 4154 | if (err) { |
1a91de28 | 4155 | mlx4_err(dev, "Fail to add flow steering resources\n"); |
1b9c6b06 HHZ |
4156 | /* detach rule*/ |
4157 | mlx4_cmd(dev, vhcr->out_param, 0, 0, | |
2065b38b | 4158 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
1b9c6b06 | 4159 | MLX4_CMD_NATIVE); |
2c473ae7 | 4160 | goto err_put; |
1b9c6b06 | 4161 | } |
2c473ae7 | 4162 | atomic_inc(&rqp->ref_count); |
a9c01e7a HHZ |
4163 | err_put: |
4164 | put_res(dev, slave, qpn, RES_QP); | |
1b9c6b06 | 4165 | return err; |
8fcfb4db HHZ |
4166 | } |
4167 | ||
4168 | int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, | |
4169 | struct mlx4_vhcr *vhcr, | |
4170 | struct mlx4_cmd_mailbox *inbox, | |
4171 | struct mlx4_cmd_mailbox *outbox, | |
4172 | struct mlx4_cmd_info *cmd) | |
4173 | { | |
1b9c6b06 | 4174 | int err; |
2c473ae7 HHZ |
4175 | struct res_qp *rqp; |
4176 | struct res_fs_rule *rrule; | |
1b9c6b06 | 4177 | |
0ff1fb65 HHZ |
4178 | if (dev->caps.steering_mode != |
4179 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
4180 | return -EOPNOTSUPP; | |
1b9c6b06 | 4181 | |
2c473ae7 HHZ |
4182 | err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); |
4183 | if (err) | |
4184 | return err; | |
4185 | /* Release the rule form busy state before removal */ | |
4186 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); | |
4187 | err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); | |
4188 | if (err) | |
4189 | return err; | |
4190 | ||
1b9c6b06 HHZ |
4191 | err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); |
4192 | if (err) { | |
1a91de28 | 4193 | mlx4_err(dev, "Fail to remove flow steering resources\n"); |
2c473ae7 | 4194 | goto out; |
1b9c6b06 HHZ |
4195 | } |
4196 | ||
4197 | err = mlx4_cmd(dev, vhcr->in_param, 0, 0, | |
4198 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, | |
4199 | MLX4_CMD_NATIVE); | |
2c473ae7 HHZ |
4200 | if (!err) |
4201 | atomic_dec(&rqp->ref_count); | |
4202 | out: | |
4203 | put_res(dev, slave, rrule->qpn, RES_QP); | |
1b9c6b06 | 4204 | return err; |
8fcfb4db HHZ |
4205 | } |
4206 | ||
c82e9aa0 EC |
4207 | enum { |
4208 | BUSY_MAX_RETRIES = 10 | |
4209 | }; | |
4210 | ||
4211 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, | |
4212 | struct mlx4_vhcr *vhcr, | |
4213 | struct mlx4_cmd_mailbox *inbox, | |
4214 | struct mlx4_cmd_mailbox *outbox, | |
4215 | struct mlx4_cmd_info *cmd) | |
4216 | { | |
4217 | int err; | |
4218 | int index = vhcr->in_modifier & 0xffff; | |
4219 | ||
4220 | err = get_res(dev, slave, index, RES_COUNTER, NULL); | |
4221 | if (err) | |
4222 | return err; | |
4223 | ||
4224 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); | |
4225 | put_res(dev, slave, index, RES_COUNTER); | |
4226 | return err; | |
4227 | } | |
4228 | ||
4229 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) | |
4230 | { | |
4231 | struct res_gid *rgid; | |
4232 | struct res_gid *tmp; | |
c82e9aa0 EC |
4233 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
4234 | ||
4235 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { | |
fab1e24a HHZ |
4236 | switch (dev->caps.steering_mode) { |
4237 | case MLX4_STEERING_MODE_DEVICE_MANAGED: | |
4238 | mlx4_flow_detach(dev, rgid->reg_id); | |
4239 | break; | |
4240 | case MLX4_STEERING_MODE_B0: | |
4241 | qp.qpn = rqp->local_qpn; | |
4242 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, | |
4243 | rgid->prot, rgid->steer); | |
4244 | break; | |
4245 | } | |
c82e9aa0 EC |
4246 | list_del(&rgid->list); |
4247 | kfree(rgid); | |
4248 | } | |
4249 | } | |
4250 | ||
4251 | static int _move_all_busy(struct mlx4_dev *dev, int slave, | |
4252 | enum mlx4_resource type, int print) | |
4253 | { | |
4254 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4255 | struct mlx4_resource_tracker *tracker = | |
4256 | &priv->mfunc.master.res_tracker; | |
4257 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; | |
4258 | struct res_common *r; | |
4259 | struct res_common *tmp; | |
4260 | int busy; | |
4261 | ||
4262 | busy = 0; | |
4263 | spin_lock_irq(mlx4_tlock(dev)); | |
4264 | list_for_each_entry_safe(r, tmp, rlist, list) { | |
4265 | if (r->owner == slave) { | |
4266 | if (!r->removing) { | |
4267 | if (r->state == RES_ANY_BUSY) { | |
4268 | if (print) | |
4269 | mlx4_dbg(dev, | |
aa1ec3dd | 4270 | "%s id 0x%llx is busy\n", |
95646373 | 4271 | resource_str(type), |
c82e9aa0 EC |
4272 | r->res_id); |
4273 | ++busy; | |
4274 | } else { | |
4275 | r->from_state = r->state; | |
4276 | r->state = RES_ANY_BUSY; | |
4277 | r->removing = 1; | |
4278 | } | |
4279 | } | |
4280 | } | |
4281 | } | |
4282 | spin_unlock_irq(mlx4_tlock(dev)); | |
4283 | ||
4284 | return busy; | |
4285 | } | |
4286 | ||
4287 | static int move_all_busy(struct mlx4_dev *dev, int slave, | |
4288 | enum mlx4_resource type) | |
4289 | { | |
4290 | unsigned long begin; | |
4291 | int busy; | |
4292 | ||
4293 | begin = jiffies; | |
4294 | do { | |
4295 | busy = _move_all_busy(dev, slave, type, 0); | |
4296 | if (time_after(jiffies, begin + 5 * HZ)) | |
4297 | break; | |
4298 | if (busy) | |
4299 | cond_resched(); | |
4300 | } while (busy); | |
4301 | ||
4302 | if (busy) | |
4303 | busy = _move_all_busy(dev, slave, type, 1); | |
4304 | ||
4305 | return busy; | |
4306 | } | |
4307 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) | |
4308 | { | |
4309 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4310 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4311 | struct list_head *qp_list = | |
4312 | &tracker->slave_list[slave].res_list[RES_QP]; | |
4313 | struct res_qp *qp; | |
4314 | struct res_qp *tmp; | |
4315 | int state; | |
4316 | u64 in_param; | |
4317 | int qpn; | |
4318 | int err; | |
4319 | ||
4320 | err = move_all_busy(dev, slave, RES_QP); | |
4321 | if (err) | |
1a91de28 JP |
4322 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n", |
4323 | slave); | |
c82e9aa0 EC |
4324 | |
4325 | spin_lock_irq(mlx4_tlock(dev)); | |
4326 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
4327 | spin_unlock_irq(mlx4_tlock(dev)); | |
4328 | if (qp->com.owner == slave) { | |
4329 | qpn = qp->com.res_id; | |
4330 | detach_qp(dev, slave, qp); | |
4331 | state = qp->com.from_state; | |
4332 | while (state != 0) { | |
4333 | switch (state) { | |
4334 | case RES_QP_RESERVED: | |
4335 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4336 | rb_erase(&qp->com.node, |
4337 | &tracker->res_tree[RES_QP]); | |
c82e9aa0 EC |
4338 | list_del(&qp->com.list); |
4339 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4340 | if (!valid_reserved(dev, slave, qpn)) { |
4341 | __mlx4_qp_release_range(dev, qpn, 1); | |
4342 | mlx4_release_resource(dev, slave, | |
4343 | RES_QP, 1, 0); | |
4344 | } | |
c82e9aa0 EC |
4345 | kfree(qp); |
4346 | state = 0; | |
4347 | break; | |
4348 | case RES_QP_MAPPED: | |
4349 | if (!valid_reserved(dev, slave, qpn)) | |
4350 | __mlx4_qp_free_icm(dev, qpn); | |
4351 | state = RES_QP_RESERVED; | |
4352 | break; | |
4353 | case RES_QP_HW: | |
4354 | in_param = slave; | |
4355 | err = mlx4_cmd(dev, in_param, | |
4356 | qp->local_qpn, 2, | |
4357 | MLX4_CMD_2RST_QP, | |
4358 | MLX4_CMD_TIME_CLASS_A, | |
4359 | MLX4_CMD_NATIVE); | |
4360 | if (err) | |
1a91de28 JP |
4361 | mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n", |
4362 | slave, qp->local_qpn); | |
c82e9aa0 EC |
4363 | atomic_dec(&qp->rcq->ref_count); |
4364 | atomic_dec(&qp->scq->ref_count); | |
4365 | atomic_dec(&qp->mtt->ref_count); | |
4366 | if (qp->srq) | |
4367 | atomic_dec(&qp->srq->ref_count); | |
4368 | state = RES_QP_MAPPED; | |
4369 | break; | |
4370 | default: | |
4371 | state = 0; | |
4372 | } | |
4373 | } | |
4374 | } | |
4375 | spin_lock_irq(mlx4_tlock(dev)); | |
4376 | } | |
4377 | spin_unlock_irq(mlx4_tlock(dev)); | |
4378 | } | |
4379 | ||
4380 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) | |
4381 | { | |
4382 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4383 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4384 | struct list_head *srq_list = | |
4385 | &tracker->slave_list[slave].res_list[RES_SRQ]; | |
4386 | struct res_srq *srq; | |
4387 | struct res_srq *tmp; | |
4388 | int state; | |
4389 | u64 in_param; | |
4390 | LIST_HEAD(tlist); | |
4391 | int srqn; | |
4392 | int err; | |
4393 | ||
4394 | err = move_all_busy(dev, slave, RES_SRQ); | |
4395 | if (err) | |
1a91de28 JP |
4396 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n", |
4397 | slave); | |
c82e9aa0 EC |
4398 | |
4399 | spin_lock_irq(mlx4_tlock(dev)); | |
4400 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { | |
4401 | spin_unlock_irq(mlx4_tlock(dev)); | |
4402 | if (srq->com.owner == slave) { | |
4403 | srqn = srq->com.res_id; | |
4404 | state = srq->com.from_state; | |
4405 | while (state != 0) { | |
4406 | switch (state) { | |
4407 | case RES_SRQ_ALLOCATED: | |
4408 | __mlx4_srq_free_icm(dev, srqn); | |
4409 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4410 | rb_erase(&srq->com.node, |
4411 | &tracker->res_tree[RES_SRQ]); | |
c82e9aa0 EC |
4412 | list_del(&srq->com.list); |
4413 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4414 | mlx4_release_resource(dev, slave, |
4415 | RES_SRQ, 1, 0); | |
c82e9aa0 EC |
4416 | kfree(srq); |
4417 | state = 0; | |
4418 | break; | |
4419 | ||
4420 | case RES_SRQ_HW: | |
4421 | in_param = slave; | |
4422 | err = mlx4_cmd(dev, in_param, srqn, 1, | |
4423 | MLX4_CMD_HW2SW_SRQ, | |
4424 | MLX4_CMD_TIME_CLASS_A, | |
4425 | MLX4_CMD_NATIVE); | |
4426 | if (err) | |
1a91de28 | 4427 | mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n", |
c82e9aa0 EC |
4428 | slave, srqn); |
4429 | ||
4430 | atomic_dec(&srq->mtt->ref_count); | |
4431 | if (srq->cq) | |
4432 | atomic_dec(&srq->cq->ref_count); | |
4433 | state = RES_SRQ_ALLOCATED; | |
4434 | break; | |
4435 | ||
4436 | default: | |
4437 | state = 0; | |
4438 | } | |
4439 | } | |
4440 | } | |
4441 | spin_lock_irq(mlx4_tlock(dev)); | |
4442 | } | |
4443 | spin_unlock_irq(mlx4_tlock(dev)); | |
4444 | } | |
4445 | ||
4446 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) | |
4447 | { | |
4448 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4449 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4450 | struct list_head *cq_list = | |
4451 | &tracker->slave_list[slave].res_list[RES_CQ]; | |
4452 | struct res_cq *cq; | |
4453 | struct res_cq *tmp; | |
4454 | int state; | |
4455 | u64 in_param; | |
4456 | LIST_HEAD(tlist); | |
4457 | int cqn; | |
4458 | int err; | |
4459 | ||
4460 | err = move_all_busy(dev, slave, RES_CQ); | |
4461 | if (err) | |
1a91de28 JP |
4462 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n", |
4463 | slave); | |
c82e9aa0 EC |
4464 | |
4465 | spin_lock_irq(mlx4_tlock(dev)); | |
4466 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { | |
4467 | spin_unlock_irq(mlx4_tlock(dev)); | |
4468 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { | |
4469 | cqn = cq->com.res_id; | |
4470 | state = cq->com.from_state; | |
4471 | while (state != 0) { | |
4472 | switch (state) { | |
4473 | case RES_CQ_ALLOCATED: | |
4474 | __mlx4_cq_free_icm(dev, cqn); | |
4475 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4476 | rb_erase(&cq->com.node, |
4477 | &tracker->res_tree[RES_CQ]); | |
c82e9aa0 EC |
4478 | list_del(&cq->com.list); |
4479 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4480 | mlx4_release_resource(dev, slave, |
4481 | RES_CQ, 1, 0); | |
c82e9aa0 EC |
4482 | kfree(cq); |
4483 | state = 0; | |
4484 | break; | |
4485 | ||
4486 | case RES_CQ_HW: | |
4487 | in_param = slave; | |
4488 | err = mlx4_cmd(dev, in_param, cqn, 1, | |
4489 | MLX4_CMD_HW2SW_CQ, | |
4490 | MLX4_CMD_TIME_CLASS_A, | |
4491 | MLX4_CMD_NATIVE); | |
4492 | if (err) | |
1a91de28 | 4493 | mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n", |
c82e9aa0 EC |
4494 | slave, cqn); |
4495 | atomic_dec(&cq->mtt->ref_count); | |
4496 | state = RES_CQ_ALLOCATED; | |
4497 | break; | |
4498 | ||
4499 | default: | |
4500 | state = 0; | |
4501 | } | |
4502 | } | |
4503 | } | |
4504 | spin_lock_irq(mlx4_tlock(dev)); | |
4505 | } | |
4506 | spin_unlock_irq(mlx4_tlock(dev)); | |
4507 | } | |
4508 | ||
4509 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) | |
4510 | { | |
4511 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4512 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4513 | struct list_head *mpt_list = | |
4514 | &tracker->slave_list[slave].res_list[RES_MPT]; | |
4515 | struct res_mpt *mpt; | |
4516 | struct res_mpt *tmp; | |
4517 | int state; | |
4518 | u64 in_param; | |
4519 | LIST_HEAD(tlist); | |
4520 | int mptn; | |
4521 | int err; | |
4522 | ||
4523 | err = move_all_busy(dev, slave, RES_MPT); | |
4524 | if (err) | |
1a91de28 JP |
4525 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n", |
4526 | slave); | |
c82e9aa0 EC |
4527 | |
4528 | spin_lock_irq(mlx4_tlock(dev)); | |
4529 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { | |
4530 | spin_unlock_irq(mlx4_tlock(dev)); | |
4531 | if (mpt->com.owner == slave) { | |
4532 | mptn = mpt->com.res_id; | |
4533 | state = mpt->com.from_state; | |
4534 | while (state != 0) { | |
4535 | switch (state) { | |
4536 | case RES_MPT_RESERVED: | |
b20e519a | 4537 | __mlx4_mpt_release(dev, mpt->key); |
c82e9aa0 | 4538 | spin_lock_irq(mlx4_tlock(dev)); |
4af1c048 HHZ |
4539 | rb_erase(&mpt->com.node, |
4540 | &tracker->res_tree[RES_MPT]); | |
c82e9aa0 EC |
4541 | list_del(&mpt->com.list); |
4542 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4543 | mlx4_release_resource(dev, slave, |
4544 | RES_MPT, 1, 0); | |
c82e9aa0 EC |
4545 | kfree(mpt); |
4546 | state = 0; | |
4547 | break; | |
4548 | ||
4549 | case RES_MPT_MAPPED: | |
b20e519a | 4550 | __mlx4_mpt_free_icm(dev, mpt->key); |
c82e9aa0 EC |
4551 | state = RES_MPT_RESERVED; |
4552 | break; | |
4553 | ||
4554 | case RES_MPT_HW: | |
4555 | in_param = slave; | |
4556 | err = mlx4_cmd(dev, in_param, mptn, 0, | |
4557 | MLX4_CMD_HW2SW_MPT, | |
4558 | MLX4_CMD_TIME_CLASS_A, | |
4559 | MLX4_CMD_NATIVE); | |
4560 | if (err) | |
1a91de28 | 4561 | mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n", |
c82e9aa0 EC |
4562 | slave, mptn); |
4563 | if (mpt->mtt) | |
4564 | atomic_dec(&mpt->mtt->ref_count); | |
4565 | state = RES_MPT_MAPPED; | |
4566 | break; | |
4567 | default: | |
4568 | state = 0; | |
4569 | } | |
4570 | } | |
4571 | } | |
4572 | spin_lock_irq(mlx4_tlock(dev)); | |
4573 | } | |
4574 | spin_unlock_irq(mlx4_tlock(dev)); | |
4575 | } | |
4576 | ||
4577 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) | |
4578 | { | |
4579 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4580 | struct mlx4_resource_tracker *tracker = | |
4581 | &priv->mfunc.master.res_tracker; | |
4582 | struct list_head *mtt_list = | |
4583 | &tracker->slave_list[slave].res_list[RES_MTT]; | |
4584 | struct res_mtt *mtt; | |
4585 | struct res_mtt *tmp; | |
4586 | int state; | |
4587 | LIST_HEAD(tlist); | |
4588 | int base; | |
4589 | int err; | |
4590 | ||
4591 | err = move_all_busy(dev, slave, RES_MTT); | |
4592 | if (err) | |
1a91de28 JP |
4593 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n", |
4594 | slave); | |
c82e9aa0 EC |
4595 | |
4596 | spin_lock_irq(mlx4_tlock(dev)); | |
4597 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { | |
4598 | spin_unlock_irq(mlx4_tlock(dev)); | |
4599 | if (mtt->com.owner == slave) { | |
4600 | base = mtt->com.res_id; | |
4601 | state = mtt->com.from_state; | |
4602 | while (state != 0) { | |
4603 | switch (state) { | |
4604 | case RES_MTT_ALLOCATED: | |
4605 | __mlx4_free_mtt_range(dev, base, | |
4606 | mtt->order); | |
4607 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4608 | rb_erase(&mtt->com.node, |
4609 | &tracker->res_tree[RES_MTT]); | |
c82e9aa0 EC |
4610 | list_del(&mtt->com.list); |
4611 | spin_unlock_irq(mlx4_tlock(dev)); | |
146f3ef4 JM |
4612 | mlx4_release_resource(dev, slave, RES_MTT, |
4613 | 1 << mtt->order, 0); | |
c82e9aa0 EC |
4614 | kfree(mtt); |
4615 | state = 0; | |
4616 | break; | |
4617 | ||
4618 | default: | |
4619 | state = 0; | |
4620 | } | |
4621 | } | |
4622 | } | |
4623 | spin_lock_irq(mlx4_tlock(dev)); | |
4624 | } | |
4625 | spin_unlock_irq(mlx4_tlock(dev)); | |
4626 | } | |
4627 | ||
1b9c6b06 HHZ |
4628 | static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) |
4629 | { | |
4630 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4631 | struct mlx4_resource_tracker *tracker = | |
4632 | &priv->mfunc.master.res_tracker; | |
4633 | struct list_head *fs_rule_list = | |
4634 | &tracker->slave_list[slave].res_list[RES_FS_RULE]; | |
4635 | struct res_fs_rule *fs_rule; | |
4636 | struct res_fs_rule *tmp; | |
4637 | int state; | |
4638 | u64 base; | |
4639 | int err; | |
4640 | ||
4641 | err = move_all_busy(dev, slave, RES_FS_RULE); | |
4642 | if (err) | |
4643 | mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", | |
4644 | slave); | |
4645 | ||
4646 | spin_lock_irq(mlx4_tlock(dev)); | |
4647 | list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { | |
4648 | spin_unlock_irq(mlx4_tlock(dev)); | |
4649 | if (fs_rule->com.owner == slave) { | |
4650 | base = fs_rule->com.res_id; | |
4651 | state = fs_rule->com.from_state; | |
4652 | while (state != 0) { | |
4653 | switch (state) { | |
4654 | case RES_FS_RULE_ALLOCATED: | |
4655 | /* detach rule */ | |
4656 | err = mlx4_cmd(dev, base, 0, 0, | |
4657 | MLX4_QP_FLOW_STEERING_DETACH, | |
4658 | MLX4_CMD_TIME_CLASS_A, | |
4659 | MLX4_CMD_NATIVE); | |
4660 | ||
4661 | spin_lock_irq(mlx4_tlock(dev)); | |
4662 | rb_erase(&fs_rule->com.node, | |
4663 | &tracker->res_tree[RES_FS_RULE]); | |
4664 | list_del(&fs_rule->com.list); | |
4665 | spin_unlock_irq(mlx4_tlock(dev)); | |
4666 | kfree(fs_rule); | |
4667 | state = 0; | |
4668 | break; | |
4669 | ||
4670 | default: | |
4671 | state = 0; | |
4672 | } | |
4673 | } | |
4674 | } | |
4675 | spin_lock_irq(mlx4_tlock(dev)); | |
4676 | } | |
4677 | spin_unlock_irq(mlx4_tlock(dev)); | |
4678 | } | |
4679 | ||
c82e9aa0 EC |
4680 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) |
4681 | { | |
4682 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4683 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4684 | struct list_head *eq_list = | |
4685 | &tracker->slave_list[slave].res_list[RES_EQ]; | |
4686 | struct res_eq *eq; | |
4687 | struct res_eq *tmp; | |
4688 | int err; | |
4689 | int state; | |
4690 | LIST_HEAD(tlist); | |
4691 | int eqn; | |
c82e9aa0 EC |
4692 | |
4693 | err = move_all_busy(dev, slave, RES_EQ); | |
4694 | if (err) | |
1a91de28 JP |
4695 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n", |
4696 | slave); | |
c82e9aa0 EC |
4697 | |
4698 | spin_lock_irq(mlx4_tlock(dev)); | |
4699 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { | |
4700 | spin_unlock_irq(mlx4_tlock(dev)); | |
4701 | if (eq->com.owner == slave) { | |
4702 | eqn = eq->com.res_id; | |
4703 | state = eq->com.from_state; | |
4704 | while (state != 0) { | |
4705 | switch (state) { | |
4706 | case RES_EQ_RESERVED: | |
4707 | spin_lock_irq(mlx4_tlock(dev)); | |
4af1c048 HHZ |
4708 | rb_erase(&eq->com.node, |
4709 | &tracker->res_tree[RES_EQ]); | |
c82e9aa0 EC |
4710 | list_del(&eq->com.list); |
4711 | spin_unlock_irq(mlx4_tlock(dev)); | |
4712 | kfree(eq); | |
4713 | state = 0; | |
4714 | break; | |
4715 | ||
4716 | case RES_EQ_HW: | |
2d3c7397 | 4717 | err = mlx4_cmd(dev, slave, eqn & 0x3ff, |
30a5da5b JM |
4718 | 1, MLX4_CMD_HW2SW_EQ, |
4719 | MLX4_CMD_TIME_CLASS_A, | |
4720 | MLX4_CMD_NATIVE); | |
eb71d0d6 | 4721 | if (err) |
1a91de28 | 4722 | mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n", |
2d3c7397 | 4723 | slave, eqn & 0x3ff); |
eb71d0d6 JM |
4724 | atomic_dec(&eq->mtt->ref_count); |
4725 | state = RES_EQ_RESERVED; | |
c82e9aa0 EC |
4726 | break; |
4727 | ||
4728 | default: | |
4729 | state = 0; | |
4730 | } | |
4731 | } | |
4732 | } | |
4733 | spin_lock_irq(mlx4_tlock(dev)); | |
4734 | } | |
4735 | spin_unlock_irq(mlx4_tlock(dev)); | |
4736 | } | |
4737 | ||
ba062d52 JM |
4738 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
4739 | { | |
4740 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4741 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4742 | struct list_head *counter_list = | |
4743 | &tracker->slave_list[slave].res_list[RES_COUNTER]; | |
4744 | struct res_counter *counter; | |
4745 | struct res_counter *tmp; | |
4746 | int err; | |
4747 | int index; | |
4748 | ||
4749 | err = move_all_busy(dev, slave, RES_COUNTER); | |
4750 | if (err) | |
1a91de28 JP |
4751 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n", |
4752 | slave); | |
ba062d52 JM |
4753 | |
4754 | spin_lock_irq(mlx4_tlock(dev)); | |
4755 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { | |
4756 | if (counter->com.owner == slave) { | |
4757 | index = counter->com.res_id; | |
4af1c048 HHZ |
4758 | rb_erase(&counter->com.node, |
4759 | &tracker->res_tree[RES_COUNTER]); | |
ba062d52 JM |
4760 | list_del(&counter->com.list); |
4761 | kfree(counter); | |
4762 | __mlx4_counter_free(dev, index); | |
146f3ef4 | 4763 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
ba062d52 JM |
4764 | } |
4765 | } | |
4766 | spin_unlock_irq(mlx4_tlock(dev)); | |
4767 | } | |
4768 | ||
4769 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) | |
4770 | { | |
4771 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4772 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; | |
4773 | struct list_head *xrcdn_list = | |
4774 | &tracker->slave_list[slave].res_list[RES_XRCD]; | |
4775 | struct res_xrcdn *xrcd; | |
4776 | struct res_xrcdn *tmp; | |
4777 | int err; | |
4778 | int xrcdn; | |
4779 | ||
4780 | err = move_all_busy(dev, slave, RES_XRCD); | |
4781 | if (err) | |
1a91de28 JP |
4782 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n", |
4783 | slave); | |
ba062d52 JM |
4784 | |
4785 | spin_lock_irq(mlx4_tlock(dev)); | |
4786 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { | |
4787 | if (xrcd->com.owner == slave) { | |
4788 | xrcdn = xrcd->com.res_id; | |
4af1c048 | 4789 | rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); |
ba062d52 JM |
4790 | list_del(&xrcd->com.list); |
4791 | kfree(xrcd); | |
4792 | __mlx4_xrcd_free(dev, xrcdn); | |
4793 | } | |
4794 | } | |
4795 | spin_unlock_irq(mlx4_tlock(dev)); | |
4796 | } | |
4797 | ||
c82e9aa0 EC |
4798 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
4799 | { | |
4800 | struct mlx4_priv *priv = mlx4_priv(dev); | |
111c6094 | 4801 | mlx4_reset_roce_gids(dev, slave); |
c82e9aa0 | 4802 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
4874080d | 4803 | rem_slave_vlans(dev, slave); |
c82e9aa0 | 4804 | rem_slave_macs(dev, slave); |
80cb0021 | 4805 | rem_slave_fs_rule(dev, slave); |
c82e9aa0 EC |
4806 | rem_slave_qps(dev, slave); |
4807 | rem_slave_srqs(dev, slave); | |
4808 | rem_slave_cqs(dev, slave); | |
4809 | rem_slave_mrs(dev, slave); | |
4810 | rem_slave_eqs(dev, slave); | |
4811 | rem_slave_mtts(dev, slave); | |
ba062d52 JM |
4812 | rem_slave_counters(dev, slave); |
4813 | rem_slave_xrcdns(dev, slave); | |
c82e9aa0 EC |
4814 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
4815 | } | |
b01978ca JM |
4816 | |
4817 | void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) | |
4818 | { | |
4819 | struct mlx4_vf_immed_vlan_work *work = | |
4820 | container_of(_work, struct mlx4_vf_immed_vlan_work, work); | |
4821 | struct mlx4_cmd_mailbox *mailbox; | |
4822 | struct mlx4_update_qp_context *upd_context; | |
4823 | struct mlx4_dev *dev = &work->priv->dev; | |
4824 | struct mlx4_resource_tracker *tracker = | |
4825 | &work->priv->mfunc.master.res_tracker; | |
4826 | struct list_head *qp_list = | |
4827 | &tracker->slave_list[work->slave].res_list[RES_QP]; | |
4828 | struct res_qp *qp; | |
4829 | struct res_qp *tmp; | |
f0f829bf RE |
4830 | u64 qp_path_mask_vlan_ctrl = |
4831 | ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) | | |
b01978ca JM |
4832 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) | |
4833 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) | | |
4834 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) | | |
4835 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) | | |
f0f829bf RE |
4836 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED)); |
4837 | ||
4838 | u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) | | |
4839 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) | | |
4840 | (1ULL << MLX4_UPD_QP_PATH_MASK_CV) | | |
4841 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) | | |
4842 | (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) | | |
4843 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) | | |
b01978ca JM |
4844 | (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE)); |
4845 | ||
4846 | int err; | |
4847 | int port, errors = 0; | |
4848 | u8 vlan_control; | |
4849 | ||
4850 | if (mlx4_is_slave(dev)) { | |
4851 | mlx4_warn(dev, "Trying to update-qp in slave %d\n", | |
4852 | work->slave); | |
4853 | goto out; | |
4854 | } | |
4855 | ||
4856 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
4857 | if (IS_ERR(mailbox)) | |
4858 | goto out; | |
0a6eac24 RE |
4859 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */ |
4860 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
4861 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | | |
4862 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | | |
4863 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
4864 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | | |
4865 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
4866 | else if (!work->vlan_id) | |
b01978ca JM |
4867 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
4868 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; | |
4869 | else | |
4870 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | | |
4871 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | | |
4872 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; | |
4873 | ||
4874 | upd_context = mailbox->buf; | |
311be98a | 4875 | upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD); |
b01978ca JM |
4876 | |
4877 | spin_lock_irq(mlx4_tlock(dev)); | |
4878 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { | |
4879 | spin_unlock_irq(mlx4_tlock(dev)); | |
4880 | if (qp->com.owner == work->slave) { | |
4881 | if (qp->com.from_state != RES_QP_HW || | |
4882 | !qp->sched_queue || /* no INIT2RTR trans yet */ | |
4883 | mlx4_is_qp_reserved(dev, qp->local_qpn) || | |
4884 | qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) { | |
4885 | spin_lock_irq(mlx4_tlock(dev)); | |
4886 | continue; | |
4887 | } | |
4888 | port = (qp->sched_queue >> 6 & 1) + 1; | |
4889 | if (port != work->port) { | |
4890 | spin_lock_irq(mlx4_tlock(dev)); | |
4891 | continue; | |
4892 | } | |
f0f829bf RE |
4893 | if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff)) |
4894 | upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask); | |
4895 | else | |
4896 | upd_context->primary_addr_path_mask = | |
4897 | cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl); | |
4898 | if (work->vlan_id == MLX4_VGT) { | |
4899 | upd_context->qp_context.param3 = qp->param3; | |
4900 | upd_context->qp_context.pri_path.vlan_control = qp->vlan_control; | |
4901 | upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx; | |
4902 | upd_context->qp_context.pri_path.vlan_index = qp->vlan_index; | |
4903 | upd_context->qp_context.pri_path.fl = qp->pri_path_fl; | |
4904 | upd_context->qp_context.pri_path.feup = qp->feup; | |
4905 | upd_context->qp_context.pri_path.sched_queue = | |
4906 | qp->sched_queue; | |
4907 | } else { | |
4908 | upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN); | |
4909 | upd_context->qp_context.pri_path.vlan_control = vlan_control; | |
4910 | upd_context->qp_context.pri_path.vlan_index = work->vlan_ix; | |
4911 | upd_context->qp_context.pri_path.fvl_rx = | |
4912 | qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN; | |
4913 | upd_context->qp_context.pri_path.fl = | |
4914 | qp->pri_path_fl | MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; | |
4915 | upd_context->qp_context.pri_path.feup = | |
4916 | qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; | |
4917 | upd_context->qp_context.pri_path.sched_queue = | |
4918 | qp->sched_queue & 0xC7; | |
4919 | upd_context->qp_context.pri_path.sched_queue |= | |
4920 | ((work->qos & 0x7) << 3); | |
08068cd5 IS |
4921 | upd_context->qp_mask |= |
4922 | cpu_to_be64(1ULL << | |
4923 | MLX4_UPD_QP_MASK_QOS_VPP); | |
4924 | upd_context->qp_context.qos_vport = | |
4925 | work->qos_vport; | |
f0f829bf | 4926 | } |
b01978ca JM |
4927 | |
4928 | err = mlx4_cmd(dev, mailbox->dma, | |
4929 | qp->local_qpn & 0xffffff, | |
4930 | 0, MLX4_CMD_UPDATE_QP, | |
4931 | MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); | |
4932 | if (err) { | |
1a91de28 JP |
4933 | mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n", |
4934 | work->slave, port, qp->local_qpn, err); | |
b01978ca JM |
4935 | errors++; |
4936 | } | |
4937 | } | |
4938 | spin_lock_irq(mlx4_tlock(dev)); | |
4939 | } | |
4940 | spin_unlock_irq(mlx4_tlock(dev)); | |
4941 | mlx4_free_cmd_mailbox(dev, mailbox); | |
4942 | ||
4943 | if (errors) | |
4944 | mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n", | |
4945 | errors, work->slave, work->port); | |
4946 | ||
4947 | /* unregister previous vlan_id if needed and we had no errors | |
4948 | * while updating the QPs | |
4949 | */ | |
4950 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors && | |
4951 | NO_INDX != work->orig_vlan_ix) | |
4952 | __mlx4_unregister_vlan(&work->priv->dev, work->port, | |
2009d005 | 4953 | work->orig_vlan_id); |
b01978ca JM |
4954 | out: |
4955 | kfree(work); | |
4956 | return; | |
4957 | } |