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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>
41#include <linux/slab.h>
42#include <linux/mlx4/cmd.h>
43#include <linux/mlx4/qp.h>
44#include <linux/if_ether.h>
45#include <linux/etherdevice.h>
46
47#include "mlx4.h"
48#include "fw.h"
49#include "mlx4_stats.h"
50
51#define MLX4_MAC_VALID (1ull << 63)
52#define MLX4_PF_COUNTERS_PER_PORT 2
53#define MLX4_VF_COUNTERS_PER_PORT 1
54
55struct mac_res {
56 struct list_head list;
57 u64 mac;
58 int ref_count;
59 u8 smac_index;
60 u8 port;
61};
62
63struct vlan_res {
64 struct list_head list;
65 u16 vlan;
66 int ref_count;
67 int vlan_index;
68 u8 port;
69};
70
71struct res_common {
72 struct list_head list;
73 struct rb_node node;
74 u64 res_id;
75 int owner;
76 int state;
77 int from_state;
78 int to_state;
79 int removing;
80};
81
82enum {
83 RES_ANY_BUSY = 1
84};
85
86struct res_gid {
87 struct list_head list;
88 u8 gid[16];
89 enum mlx4_protocol prot;
90 enum mlx4_steer_type steer;
91 u64 reg_id;
92};
93
94enum res_qp_states {
95 RES_QP_BUSY = RES_ANY_BUSY,
96
97
98 RES_QP_RESERVED,
99
100
101 RES_QP_MAPPED,
102
103
104 RES_QP_HW
105};
106
107struct res_qp {
108 struct res_common com;
109 struct res_mtt *mtt;
110 struct res_cq *rcq;
111 struct res_cq *scq;
112 struct res_srq *srq;
113 struct list_head mcg_list;
114 spinlock_t mcg_spl;
115 int local_qpn;
116 atomic_t ref_count;
117 u32 qpc_flags;
118
119 u8 sched_queue;
120 __be32 param3;
121 u8 vlan_control;
122 u8 fvl_rx;
123 u8 pri_path_fl;
124 u8 vlan_index;
125 u8 feup;
126};
127
128enum res_mtt_states {
129 RES_MTT_BUSY = RES_ANY_BUSY,
130 RES_MTT_ALLOCATED,
131};
132
133static inline const char *mtt_states_str(enum res_mtt_states state)
134{
135 switch (state) {
136 case RES_MTT_BUSY: return "RES_MTT_BUSY";
137 case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED";
138 default: return "Unknown";
139 }
140}
141
142struct res_mtt {
143 struct res_common com;
144 int order;
145 atomic_t ref_count;
146};
147
148enum res_mpt_states {
149 RES_MPT_BUSY = RES_ANY_BUSY,
150 RES_MPT_RESERVED,
151 RES_MPT_MAPPED,
152 RES_MPT_HW,
153};
154
155struct res_mpt {
156 struct res_common com;
157 struct res_mtt *mtt;
158 int key;
159};
160
161enum res_eq_states {
162 RES_EQ_BUSY = RES_ANY_BUSY,
163 RES_EQ_RESERVED,
164 RES_EQ_HW,
165};
166
167struct res_eq {
168 struct res_common com;
169 struct res_mtt *mtt;
170};
171
172enum res_cq_states {
173 RES_CQ_BUSY = RES_ANY_BUSY,
174 RES_CQ_ALLOCATED,
175 RES_CQ_HW,
176};
177
178struct res_cq {
179 struct res_common com;
180 struct res_mtt *mtt;
181 atomic_t ref_count;
182};
183
184enum res_srq_states {
185 RES_SRQ_BUSY = RES_ANY_BUSY,
186 RES_SRQ_ALLOCATED,
187 RES_SRQ_HW,
188};
189
190struct res_srq {
191 struct res_common com;
192 struct res_mtt *mtt;
193 struct res_cq *cq;
194 atomic_t ref_count;
195};
196
197enum res_counter_states {
198 RES_COUNTER_BUSY = RES_ANY_BUSY,
199 RES_COUNTER_ALLOCATED,
200};
201
202struct res_counter {
203 struct res_common com;
204 int port;
205};
206
207enum res_xrcdn_states {
208 RES_XRCD_BUSY = RES_ANY_BUSY,
209 RES_XRCD_ALLOCATED,
210};
211
212struct res_xrcdn {
213 struct res_common com;
214 int port;
215};
216
217enum res_fs_rule_states {
218 RES_FS_RULE_BUSY = RES_ANY_BUSY,
219 RES_FS_RULE_ALLOCATED,
220};
221
222struct res_fs_rule {
223 struct res_common com;
224 int qpn;
225
226 void *mirr_mbox;
227
228
229 u32 mirr_mbox_size;
230 struct list_head mirr_list;
231 u64 mirr_rule_id;
232};
233
234static void *res_tracker_lookup(struct rb_root *root, u64 res_id)
235{
236 struct rb_node *node = root->rb_node;
237
238 while (node) {
239 struct res_common *res = container_of(node, struct res_common,
240 node);
241
242 if (res_id < res->res_id)
243 node = node->rb_left;
244 else if (res_id > res->res_id)
245 node = node->rb_right;
246 else
247 return res;
248 }
249 return NULL;
250}
251
252static int res_tracker_insert(struct rb_root *root, struct res_common *res)
253{
254 struct rb_node **new = &(root->rb_node), *parent = NULL;
255
256
257 while (*new) {
258 struct res_common *this = container_of(*new, struct res_common,
259 node);
260
261 parent = *new;
262 if (res->res_id < this->res_id)
263 new = &((*new)->rb_left);
264 else if (res->res_id > this->res_id)
265 new = &((*new)->rb_right);
266 else
267 return -EEXIST;
268 }
269
270
271 rb_link_node(&res->node, parent, new);
272 rb_insert_color(&res->node, root);
273
274 return 0;
275}
276
277enum qp_transition {
278 QP_TRANS_INIT2RTR,
279 QP_TRANS_RTR2RTS,
280 QP_TRANS_RTS2RTS,
281 QP_TRANS_SQERR2RTS,
282 QP_TRANS_SQD2SQD,
283 QP_TRANS_SQD2RTS
284};
285
286
287static const char *resource_str(enum mlx4_resource rt)
288{
289 switch (rt) {
290 case RES_QP: return "RES_QP";
291 case RES_CQ: return "RES_CQ";
292 case RES_SRQ: return "RES_SRQ";
293 case RES_MPT: return "RES_MPT";
294 case RES_MTT: return "RES_MTT";
295 case RES_MAC: return "RES_MAC";
296 case RES_VLAN: return "RES_VLAN";
297 case RES_EQ: return "RES_EQ";
298 case RES_COUNTER: return "RES_COUNTER";
299 case RES_FS_RULE: return "RES_FS_RULE";
300 case RES_XRCD: return "RES_XRCD";
301 default: return "Unknown resource type !!!";
302 };
303}
304
305static void rem_slave_vlans(struct mlx4_dev *dev, int slave);
306static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave,
307 enum mlx4_resource res_type, int count,
308 int port)
309{
310 struct mlx4_priv *priv = mlx4_priv(dev);
311 struct resource_allocator *res_alloc =
312 &priv->mfunc.master.res_tracker.res_alloc[res_type];
313 int err = -EINVAL;
314 int allocated, free, reserved, guaranteed, from_free;
315 int from_rsvd;
316
317 if (slave > dev->persist->num_vfs)
318 return -EINVAL;
319
320 spin_lock(&res_alloc->alloc_lock);
321 allocated = (port > 0) ?
322 res_alloc->allocated[(port - 1) *
323 (dev->persist->num_vfs + 1) + slave] :
324 res_alloc->allocated[slave];
325 free = (port > 0) ? res_alloc->res_port_free[port - 1] :
326 res_alloc->res_free;
327 reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] :
328 res_alloc->res_reserved;
329 guaranteed = res_alloc->guaranteed[slave];
330
331 if (allocated + count > res_alloc->quota[slave]) {
332 mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n",
333 slave, port, resource_str(res_type), count,
334 allocated, res_alloc->quota[slave]);
335 goto out;
336 }
337
338 if (allocated + count <= guaranteed) {
339 err = 0;
340 from_rsvd = count;
341 } else {
342
343 if (guaranteed - allocated > 0)
344 from_free = count - (guaranteed - allocated);
345 else
346 from_free = count;
347
348 from_rsvd = count - from_free;
349
350 if (free - from_free >= reserved)
351 err = 0;
352 else
353 mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n",
354 slave, port, resource_str(res_type), free,
355 from_free, reserved);
356 }
357
358 if (!err) {
359
360 if (port > 0) {
361 res_alloc->allocated[(port - 1) *
362 (dev->persist->num_vfs + 1) + slave] += count;
363 res_alloc->res_port_free[port - 1] -= count;
364 res_alloc->res_port_rsvd[port - 1] -= from_rsvd;
365 } else {
366 res_alloc->allocated[slave] += count;
367 res_alloc->res_free -= count;
368 res_alloc->res_reserved -= from_rsvd;
369 }
370 }
371
372out:
373 spin_unlock(&res_alloc->alloc_lock);
374 return err;
375}
376
377static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave,
378 enum mlx4_resource res_type, int count,
379 int port)
380{
381 struct mlx4_priv *priv = mlx4_priv(dev);
382 struct resource_allocator *res_alloc =
383 &priv->mfunc.master.res_tracker.res_alloc[res_type];
384 int allocated, guaranteed, from_rsvd;
385
386 if (slave > dev->persist->num_vfs)
387 return;
388
389 spin_lock(&res_alloc->alloc_lock);
390
391 allocated = (port > 0) ?
392 res_alloc->allocated[(port - 1) *
393 (dev->persist->num_vfs + 1) + slave] :
394 res_alloc->allocated[slave];
395 guaranteed = res_alloc->guaranteed[slave];
396
397 if (allocated - count >= guaranteed) {
398 from_rsvd = 0;
399 } else {
400
401 if (allocated - guaranteed > 0)
402 from_rsvd = count - (allocated - guaranteed);
403 else
404 from_rsvd = count;
405 }
406
407 if (port > 0) {
408 res_alloc->allocated[(port - 1) *
409 (dev->persist->num_vfs + 1) + slave] -= count;
410 res_alloc->res_port_free[port - 1] += count;
411 res_alloc->res_port_rsvd[port - 1] += from_rsvd;
412 } else {
413 res_alloc->allocated[slave] -= count;
414 res_alloc->res_free += count;
415 res_alloc->res_reserved += from_rsvd;
416 }
417
418 spin_unlock(&res_alloc->alloc_lock);
419 return;
420}
421
422static inline void initialize_res_quotas(struct mlx4_dev *dev,
423 struct resource_allocator *res_alloc,
424 enum mlx4_resource res_type,
425 int vf, int num_instances)
426{
427 res_alloc->guaranteed[vf] = num_instances /
428 (2 * (dev->persist->num_vfs + 1));
429 res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf];
430 if (vf == mlx4_master_func_num(dev)) {
431 res_alloc->res_free = num_instances;
432 if (res_type == RES_MTT) {
433
434 res_alloc->res_free += dev->caps.reserved_mtts;
435 res_alloc->guaranteed[vf] += dev->caps.reserved_mtts;
436 res_alloc->quota[vf] += dev->caps.reserved_mtts;
437 }
438 }
439}
440
441void mlx4_init_quotas(struct mlx4_dev *dev)
442{
443 struct mlx4_priv *priv = mlx4_priv(dev);
444 int pf;
445
446
447 if (mlx4_is_slave(dev))
448 return;
449
450 if (!mlx4_is_mfunc(dev)) {
451 dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps -
452 mlx4_num_reserved_sqps(dev);
453 dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs;
454 dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs;
455 dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts;
456 dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws;
457 return;
458 }
459
460 pf = mlx4_master_func_num(dev);
461 dev->quotas.qp =
462 priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf];
463 dev->quotas.cq =
464 priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf];
465 dev->quotas.srq =
466 priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf];
467 dev->quotas.mtt =
468 priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf];
469 dev->quotas.mpt =
470 priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf];
471}
472
473static int get_max_gauranteed_vfs_counter(struct mlx4_dev *dev)
474{
475
476 return (dev->caps.max_counters - 1 -
477 (MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS))
478 / MLX4_MAX_PORTS;
479}
480
481int mlx4_init_resource_tracker(struct mlx4_dev *dev)
482{
483 struct mlx4_priv *priv = mlx4_priv(dev);
484 int i, j;
485 int t;
486 int max_vfs_guarantee_counter = get_max_gauranteed_vfs_counter(dev);
487
488 priv->mfunc.master.res_tracker.slave_list =
489 kzalloc(dev->num_slaves * sizeof(struct slave_list),
490 GFP_KERNEL);
491 if (!priv->mfunc.master.res_tracker.slave_list)
492 return -ENOMEM;
493
494 for (i = 0 ; i < dev->num_slaves; i++) {
495 for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t)
496 INIT_LIST_HEAD(&priv->mfunc.master.res_tracker.
497 slave_list[i].res_list[t]);
498 mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
499 }
500
501 mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n",
502 dev->num_slaves);
503 for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++)
504 priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT;
505
506 for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
507 struct resource_allocator *res_alloc =
508 &priv->mfunc.master.res_tracker.res_alloc[i];
509 res_alloc->quota = kmalloc((dev->persist->num_vfs + 1) *
510 sizeof(int), GFP_KERNEL);
511 res_alloc->guaranteed = kmalloc((dev->persist->num_vfs + 1) *
512 sizeof(int), GFP_KERNEL);
513 if (i == RES_MAC || i == RES_VLAN)
514 res_alloc->allocated = kzalloc(MLX4_MAX_PORTS *
515 (dev->persist->num_vfs
516 + 1) *
517 sizeof(int), GFP_KERNEL);
518 else
519 res_alloc->allocated = kzalloc((dev->persist->
520 num_vfs + 1) *
521 sizeof(int), GFP_KERNEL);
522
523 if (i == RES_COUNTER)
524 res_alloc->res_free = dev->caps.max_counters - 1;
525
526 if (!res_alloc->quota || !res_alloc->guaranteed ||
527 !res_alloc->allocated)
528 goto no_mem_err;
529
530 spin_lock_init(&res_alloc->alloc_lock);
531 for (t = 0; t < dev->persist->num_vfs + 1; t++) {
532 struct mlx4_active_ports actv_ports =
533 mlx4_get_active_ports(dev, t);
534 switch (i) {
535 case RES_QP:
536 initialize_res_quotas(dev, res_alloc, RES_QP,
537 t, dev->caps.num_qps -
538 dev->caps.reserved_qps -
539 mlx4_num_reserved_sqps(dev));
540 break;
541 case RES_CQ:
542 initialize_res_quotas(dev, res_alloc, RES_CQ,
543 t, dev->caps.num_cqs -
544 dev->caps.reserved_cqs);
545 break;
546 case RES_SRQ:
547 initialize_res_quotas(dev, res_alloc, RES_SRQ,
548 t, dev->caps.num_srqs -
549 dev->caps.reserved_srqs);
550 break;
551 case RES_MPT:
552 initialize_res_quotas(dev, res_alloc, RES_MPT,
553 t, dev->caps.num_mpts -
554 dev->caps.reserved_mrws);
555 break;
556 case RES_MTT:
557 initialize_res_quotas(dev, res_alloc, RES_MTT,
558 t, dev->caps.num_mtts -
559 dev->caps.reserved_mtts);
560 break;
561 case RES_MAC:
562 if (t == mlx4_master_func_num(dev)) {
563 int max_vfs_pport = 0;
564
565
566 for (j = 0; j < dev->caps.num_ports;
567 j++) {
568 struct mlx4_slaves_pport slaves_pport =
569 mlx4_phys_to_slaves_pport(dev, j + 1);
570 unsigned current_slaves =
571 bitmap_weight(slaves_pport.slaves,
572 dev->caps.num_ports) - 1;
573 if (max_vfs_pport < current_slaves)
574 max_vfs_pport =
575 current_slaves;
576 }
577 res_alloc->quota[t] =
578 MLX4_MAX_MAC_NUM -
579 2 * max_vfs_pport;
580 res_alloc->guaranteed[t] = 2;
581 for (j = 0; j < MLX4_MAX_PORTS; j++)
582 res_alloc->res_port_free[j] =
583 MLX4_MAX_MAC_NUM;
584 } else {
585 res_alloc->quota[t] = MLX4_MAX_MAC_NUM;
586 res_alloc->guaranteed[t] = 2;
587 }
588 break;
589 case RES_VLAN:
590 if (t == mlx4_master_func_num(dev)) {
591 res_alloc->quota[t] = MLX4_MAX_VLAN_NUM;
592 res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2;
593 for (j = 0; j < MLX4_MAX_PORTS; j++)
594 res_alloc->res_port_free[j] =
595 res_alloc->quota[t];
596 } else {
597 res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2;
598 res_alloc->guaranteed[t] = 0;
599 }
600 break;
601 case RES_COUNTER:
602 res_alloc->quota[t] = dev->caps.max_counters;
603 if (t == mlx4_master_func_num(dev))
604 res_alloc->guaranteed[t] =
605 MLX4_PF_COUNTERS_PER_PORT *
606 MLX4_MAX_PORTS;
607 else if (t <= max_vfs_guarantee_counter)
608 res_alloc->guaranteed[t] =
609 MLX4_VF_COUNTERS_PER_PORT *
610 MLX4_MAX_PORTS;
611 else
612 res_alloc->guaranteed[t] = 0;
613 res_alloc->res_free -= res_alloc->guaranteed[t];
614 break;
615 default:
616 break;
617 }
618 if (i == RES_MAC || i == RES_VLAN) {
619 for (j = 0; j < dev->caps.num_ports; j++)
620 if (test_bit(j, actv_ports.ports))
621 res_alloc->res_port_rsvd[j] +=
622 res_alloc->guaranteed[t];
623 } else {
624 res_alloc->res_reserved += res_alloc->guaranteed[t];
625 }
626 }
627 }
628 spin_lock_init(&priv->mfunc.master.res_tracker.lock);
629 return 0;
630
631no_mem_err:
632 for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
633 kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated);
634 priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL;
635 kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed);
636 priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL;
637 kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota);
638 priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL;
639 }
640 return -ENOMEM;
641}
642
643void mlx4_free_resource_tracker(struct mlx4_dev *dev,
644 enum mlx4_res_tracker_free_type type)
645{
646 struct mlx4_priv *priv = mlx4_priv(dev);
647 int i;
648
649 if (priv->mfunc.master.res_tracker.slave_list) {
650 if (type != RES_TR_FREE_STRUCTS_ONLY) {
651 for (i = 0; i < dev->num_slaves; i++) {
652 if (type == RES_TR_FREE_ALL ||
653 dev->caps.function != i)
654 mlx4_delete_all_resources_for_slave(dev, i);
655 }
656
657 i = dev->caps.function;
658 mlx4_reset_roce_gids(dev, i);
659 mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
660 rem_slave_vlans(dev, i);
661 mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex);
662 }
663
664 if (type != RES_TR_FREE_SLAVES_ONLY) {
665 for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
666 kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated);
667 priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL;
668 kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed);
669 priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL;
670 kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota);
671 priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL;
672 }
673 kfree(priv->mfunc.master.res_tracker.slave_list);
674 priv->mfunc.master.res_tracker.slave_list = NULL;
675 }
676 }
677}
678
679static void update_pkey_index(struct mlx4_dev *dev, int slave,
680 struct mlx4_cmd_mailbox *inbox)
681{
682 u8 sched = *(u8 *)(inbox->buf + 64);
683 u8 orig_index = *(u8 *)(inbox->buf + 35);
684 u8 new_index;
685 struct mlx4_priv *priv = mlx4_priv(dev);
686 int port;
687
688 port = (sched >> 6 & 1) + 1;
689
690 new_index = priv->virt2phys_pkey[slave][port - 1][orig_index];
691 *(u8 *)(inbox->buf + 35) = new_index;
692}
693
694static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
695 u8 slave)
696{
697 struct mlx4_qp_context *qp_ctx = inbox->buf + 8;
698 enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf);
699 u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
700 int port;
701
702 if (MLX4_QP_ST_UD == ts) {
703 port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
704 if (mlx4_is_eth(dev, port))
705 qp_ctx->pri_path.mgid_index =
706 mlx4_get_base_gid_ix(dev, slave, port) | 0x80;
707 else
708 qp_ctx->pri_path.mgid_index = slave | 0x80;
709
710 } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) {
711 if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) {
712 port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
713 if (mlx4_is_eth(dev, port)) {
714 qp_ctx->pri_path.mgid_index +=
715 mlx4_get_base_gid_ix(dev, slave, port);
716 qp_ctx->pri_path.mgid_index &= 0x7f;
717 } else {
718 qp_ctx->pri_path.mgid_index = slave & 0x7F;
719 }
720 }
721 if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
722 port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1;
723 if (mlx4_is_eth(dev, port)) {
724 qp_ctx->alt_path.mgid_index +=
725 mlx4_get_base_gid_ix(dev, slave, port);
726 qp_ctx->alt_path.mgid_index &= 0x7f;
727 } else {
728 qp_ctx->alt_path.mgid_index = slave & 0x7F;
729 }
730 }
731 }
732}
733
734static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc,
735 u8 slave, int port);
736
737static int update_vport_qp_param(struct mlx4_dev *dev,
738 struct mlx4_cmd_mailbox *inbox,
739 u8 slave, u32 qpn)
740{
741 struct mlx4_qp_context *qpc = inbox->buf + 8;
742 struct mlx4_vport_oper_state *vp_oper;
743 struct mlx4_priv *priv;
744 u32 qp_type;
745 int port, err = 0;
746
747 port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1;
748 priv = mlx4_priv(dev);
749 vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
750 qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
751
752 err = handle_counter(dev, qpc, slave, port);
753 if (err)
754 goto out;
755
756 if (MLX4_VGT != vp_oper->state.default_vlan) {
757
758
759
760 if (mlx4_is_qp_reserved(dev, qpn))
761 return 0;
762
763
764 if (qp_type == MLX4_QP_ST_UD ||
765 (qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) {
766 if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) {
767 *(__be32 *)inbox->buf =
768 cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) |
769 MLX4_QP_OPTPAR_VLAN_STRIPPING);
770 qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN);
771 } else {
772 struct mlx4_update_qp_params params = {.flags = 0};
773
774 err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms);
775 if (err)
776 goto out;
777 }
778 }
779
780
781 qpc->pri_path.vlan_control &=
782 MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
783 if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE &&
784 dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) {
785 qpc->pri_path.vlan_control |=
786 MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
787 MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
788 MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
789 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
790 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
791 MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
792 } else if (0 != vp_oper->state.default_vlan) {
793 if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) {
794
795
796
797
798 qpc->pri_path.vlan_control |=
799 MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
800 MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
801 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
802 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
803 } else {
804 qpc->pri_path.vlan_control |=
805 MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
806 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
807 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
808 }
809 } else {
810 qpc->pri_path.vlan_control |=
811 MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
812 MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
813 }
814
815 qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN;
816 qpc->pri_path.vlan_index = vp_oper->vlan_idx;
817 qpc->pri_path.fl |= MLX4_FL_ETH_HIDE_CQE_VLAN;
818 if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD))
819 qpc->pri_path.fl |= MLX4_FL_SV;
820 else
821 qpc->pri_path.fl |= MLX4_FL_CV;
822 qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN;
823 qpc->pri_path.sched_queue &= 0xC7;
824 qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3;
825 qpc->qos_vport = vp_oper->state.qos_vport;
826 }
827 if (vp_oper->state.spoofchk) {
828 qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC;
829 qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx;
830 }
831out:
832 return err;
833}
834
835static int mpt_mask(struct mlx4_dev *dev)
836{
837 return dev->caps.num_mpts - 1;
838}
839
840static void *find_res(struct mlx4_dev *dev, u64 res_id,
841 enum mlx4_resource type)
842{
843 struct mlx4_priv *priv = mlx4_priv(dev);
844
845 return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type],
846 res_id);
847}
848
849static int get_res(struct mlx4_dev *dev, int slave, u64 res_id,
850 enum mlx4_resource type,
851 void *res)
852{
853 struct res_common *r;
854 int err = 0;
855
856 spin_lock_irq(mlx4_tlock(dev));
857 r = find_res(dev, res_id, type);
858 if (!r) {
859 err = -ENONET;
860 goto exit;
861 }
862
863 if (r->state == RES_ANY_BUSY) {
864 err = -EBUSY;
865 goto exit;
866 }
867
868 if (r->owner != slave) {
869 err = -EPERM;
870 goto exit;
871 }
872
873 r->from_state = r->state;
874 r->state = RES_ANY_BUSY;
875
876 if (res)
877 *((struct res_common **)res) = r;
878
879exit:
880 spin_unlock_irq(mlx4_tlock(dev));
881 return err;
882}
883
884int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
885 enum mlx4_resource type,
886 u64 res_id, int *slave)
887{
888
889 struct res_common *r;
890 int err = -ENOENT;
891 int id = res_id;
892
893 if (type == RES_QP)
894 id &= 0x7fffff;
895 spin_lock(mlx4_tlock(dev));
896
897 r = find_res(dev, id, type);
898 if (r) {
899 *slave = r->owner;
900 err = 0;
901 }
902 spin_unlock(mlx4_tlock(dev));
903
904 return err;
905}
906
907static void put_res(struct mlx4_dev *dev, int slave, u64 res_id,
908 enum mlx4_resource type)
909{
910 struct res_common *r;
911
912 spin_lock_irq(mlx4_tlock(dev));
913 r = find_res(dev, res_id, type);
914 if (r)
915 r->state = r->from_state;
916 spin_unlock_irq(mlx4_tlock(dev));
917}
918
919static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
920 u64 in_param, u64 *out_param, int port);
921
922static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port,
923 int counter_index)
924{
925 struct res_common *r;
926 struct res_counter *counter;
927 int ret = 0;
928
929 if (counter_index == MLX4_SINK_COUNTER_INDEX(dev))
930 return ret;
931
932 spin_lock_irq(mlx4_tlock(dev));
933 r = find_res(dev, counter_index, RES_COUNTER);
934 if (!r || r->owner != slave) {
935 ret = -EINVAL;
936 } else {
937 counter = container_of(r, struct res_counter, com);
938 if (!counter->port)
939 counter->port = port;
940 }
941
942 spin_unlock_irq(mlx4_tlock(dev));
943 return ret;
944}
945
946static int handle_unexisting_counter(struct mlx4_dev *dev,
947 struct mlx4_qp_context *qpc, u8 slave,
948 int port)
949{
950 struct mlx4_priv *priv = mlx4_priv(dev);
951 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
952 struct res_common *tmp;
953 struct res_counter *counter;
954 u64 counter_idx = MLX4_SINK_COUNTER_INDEX(dev);
955 int err = 0;
956
957 spin_lock_irq(mlx4_tlock(dev));
958 list_for_each_entry(tmp,
959 &tracker->slave_list[slave].res_list[RES_COUNTER],
960 list) {
961 counter = container_of(tmp, struct res_counter, com);
962 if (port == counter->port) {
963 qpc->pri_path.counter_index = counter->com.res_id;
964 spin_unlock_irq(mlx4_tlock(dev));
965 return 0;
966 }
967 }
968 spin_unlock_irq(mlx4_tlock(dev));
969
970
971 err = counter_alloc_res(dev, slave, RES_OP_RESERVE, 0, 0, &counter_idx,
972 port);
973 if (err == -ENOENT) {
974 err = 0;
975 } else if (err && err != -ENOSPC) {
976 mlx4_err(dev, "%s: failed to create new counter for slave %d err %d\n",
977 __func__, slave, err);
978 } else {
979 qpc->pri_path.counter_index = counter_idx;
980 mlx4_dbg(dev, "%s: alloc new counter for slave %d index %d\n",
981 __func__, slave, qpc->pri_path.counter_index);
982 err = 0;
983 }
984
985 return err;
986}
987
988static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc,
989 u8 slave, int port)
990{
991 if (qpc->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(dev))
992 return handle_existing_counter(dev, slave, port,
993 qpc->pri_path.counter_index);
994
995 return handle_unexisting_counter(dev, qpc, slave, port);
996}
997
998static struct res_common *alloc_qp_tr(int id)
999{
1000 struct res_qp *ret;
1001
1002 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1003 if (!ret)
1004 return NULL;
1005
1006 ret->com.res_id = id;
1007 ret->com.state = RES_QP_RESERVED;
1008 ret->local_qpn = id;
1009 INIT_LIST_HEAD(&ret->mcg_list);
1010 spin_lock_init(&ret->mcg_spl);
1011 atomic_set(&ret->ref_count, 0);
1012
1013 return &ret->com;
1014}
1015
1016static struct res_common *alloc_mtt_tr(int id, int order)
1017{
1018 struct res_mtt *ret;
1019
1020 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1021 if (!ret)
1022 return NULL;
1023
1024 ret->com.res_id = id;
1025 ret->order = order;
1026 ret->com.state = RES_MTT_ALLOCATED;
1027 atomic_set(&ret->ref_count, 0);
1028
1029 return &ret->com;
1030}
1031
1032static struct res_common *alloc_mpt_tr(int id, int key)
1033{
1034 struct res_mpt *ret;
1035
1036 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1037 if (!ret)
1038 return NULL;
1039
1040 ret->com.res_id = id;
1041 ret->com.state = RES_MPT_RESERVED;
1042 ret->key = key;
1043
1044 return &ret->com;
1045}
1046
1047static struct res_common *alloc_eq_tr(int id)
1048{
1049 struct res_eq *ret;
1050
1051 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1052 if (!ret)
1053 return NULL;
1054
1055 ret->com.res_id = id;
1056 ret->com.state = RES_EQ_RESERVED;
1057
1058 return &ret->com;
1059}
1060
1061static struct res_common *alloc_cq_tr(int id)
1062{
1063 struct res_cq *ret;
1064
1065 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1066 if (!ret)
1067 return NULL;
1068
1069 ret->com.res_id = id;
1070 ret->com.state = RES_CQ_ALLOCATED;
1071 atomic_set(&ret->ref_count, 0);
1072
1073 return &ret->com;
1074}
1075
1076static struct res_common *alloc_srq_tr(int id)
1077{
1078 struct res_srq *ret;
1079
1080 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1081 if (!ret)
1082 return NULL;
1083
1084 ret->com.res_id = id;
1085 ret->com.state = RES_SRQ_ALLOCATED;
1086 atomic_set(&ret->ref_count, 0);
1087
1088 return &ret->com;
1089}
1090
1091static struct res_common *alloc_counter_tr(int id, int port)
1092{
1093 struct res_counter *ret;
1094
1095 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1096 if (!ret)
1097 return NULL;
1098
1099 ret->com.res_id = id;
1100 ret->com.state = RES_COUNTER_ALLOCATED;
1101 ret->port = port;
1102
1103 return &ret->com;
1104}
1105
1106static struct res_common *alloc_xrcdn_tr(int id)
1107{
1108 struct res_xrcdn *ret;
1109
1110 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1111 if (!ret)
1112 return NULL;
1113
1114 ret->com.res_id = id;
1115 ret->com.state = RES_XRCD_ALLOCATED;
1116
1117 return &ret->com;
1118}
1119
1120static struct res_common *alloc_fs_rule_tr(u64 id, int qpn)
1121{
1122 struct res_fs_rule *ret;
1123
1124 ret = kzalloc(sizeof *ret, GFP_KERNEL);
1125 if (!ret)
1126 return NULL;
1127
1128 ret->com.res_id = id;
1129 ret->com.state = RES_FS_RULE_ALLOCATED;
1130 ret->qpn = qpn;
1131 return &ret->com;
1132}
1133
1134static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave,
1135 int extra)
1136{
1137 struct res_common *ret;
1138
1139 switch (type) {
1140 case RES_QP:
1141 ret = alloc_qp_tr(id);
1142 break;
1143 case RES_MPT:
1144 ret = alloc_mpt_tr(id, extra);
1145 break;
1146 case RES_MTT:
1147 ret = alloc_mtt_tr(id, extra);
1148 break;
1149 case RES_EQ:
1150 ret = alloc_eq_tr(id);
1151 break;
1152 case RES_CQ:
1153 ret = alloc_cq_tr(id);
1154 break;
1155 case RES_SRQ:
1156 ret = alloc_srq_tr(id);
1157 break;
1158 case RES_MAC:
1159 pr_err("implementation missing\n");
1160 return NULL;
1161 case RES_COUNTER:
1162 ret = alloc_counter_tr(id, extra);
1163 break;
1164 case RES_XRCD:
1165 ret = alloc_xrcdn_tr(id);
1166 break;
1167 case RES_FS_RULE:
1168 ret = alloc_fs_rule_tr(id, extra);
1169 break;
1170 default:
1171 return NULL;
1172 }
1173 if (ret)
1174 ret->owner = slave;
1175
1176 return ret;
1177}
1178
1179int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1180 struct mlx4_counter *data)
1181{
1182 struct mlx4_priv *priv = mlx4_priv(dev);
1183 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1184 struct res_common *tmp;
1185 struct res_counter *counter;
1186 int *counters_arr;
1187 int i = 0, err = 0;
1188
1189 memset(data, 0, sizeof(*data));
1190
1191 counters_arr = kmalloc_array(dev->caps.max_counters,
1192 sizeof(*counters_arr), GFP_KERNEL);
1193 if (!counters_arr)
1194 return -ENOMEM;
1195
1196 spin_lock_irq(mlx4_tlock(dev));
1197 list_for_each_entry(tmp,
1198 &tracker->slave_list[slave].res_list[RES_COUNTER],
1199 list) {
1200 counter = container_of(tmp, struct res_counter, com);
1201 if (counter->port == port) {
1202 counters_arr[i] = (int)tmp->res_id;
1203 i++;
1204 }
1205 }
1206 spin_unlock_irq(mlx4_tlock(dev));
1207 counters_arr[i] = -1;
1208
1209 i = 0;
1210
1211 while (counters_arr[i] != -1) {
1212 err = mlx4_get_counter_stats(dev, counters_arr[i], data,
1213 0);
1214 if (err) {
1215 memset(data, 0, sizeof(*data));
1216 goto table_changed;
1217 }
1218 i++;
1219 }
1220
1221table_changed:
1222 kfree(counters_arr);
1223 return 0;
1224}
1225
1226static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
1227 enum mlx4_resource type, int extra)
1228{
1229 int i;
1230 int err;
1231 struct mlx4_priv *priv = mlx4_priv(dev);
1232 struct res_common **res_arr;
1233 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1234 struct rb_root *root = &tracker->res_tree[type];
1235
1236 res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL);
1237 if (!res_arr)
1238 return -ENOMEM;
1239
1240 for (i = 0; i < count; ++i) {
1241 res_arr[i] = alloc_tr(base + i, type, slave, extra);
1242 if (!res_arr[i]) {
1243 for (--i; i >= 0; --i)
1244 kfree(res_arr[i]);
1245
1246 kfree(res_arr);
1247 return -ENOMEM;
1248 }
1249 }
1250
1251 spin_lock_irq(mlx4_tlock(dev));
1252 for (i = 0; i < count; ++i) {
1253 if (find_res(dev, base + i, type)) {
1254 err = -EEXIST;
1255 goto undo;
1256 }
1257 err = res_tracker_insert(root, res_arr[i]);
1258 if (err)
1259 goto undo;
1260 list_add_tail(&res_arr[i]->list,
1261 &tracker->slave_list[slave].res_list[type]);
1262 }
1263 spin_unlock_irq(mlx4_tlock(dev));
1264 kfree(res_arr);
1265
1266 return 0;
1267
1268undo:
1269 for (--i; i >= 0; --i) {
1270 rb_erase(&res_arr[i]->node, root);
1271 list_del_init(&res_arr[i]->list);
1272 }
1273
1274 spin_unlock_irq(mlx4_tlock(dev));
1275
1276 for (i = 0; i < count; ++i)
1277 kfree(res_arr[i]);
1278
1279 kfree(res_arr);
1280
1281 return err;
1282}
1283
1284static int remove_qp_ok(struct res_qp *res)
1285{
1286 if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) ||
1287 !list_empty(&res->mcg_list)) {
1288 pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n",
1289 res->com.state, atomic_read(&res->ref_count));
1290 return -EBUSY;
1291 } else if (res->com.state != RES_QP_RESERVED) {
1292 return -EPERM;
1293 }
1294
1295 return 0;
1296}
1297
1298static int remove_mtt_ok(struct res_mtt *res, int order)
1299{
1300 if (res->com.state == RES_MTT_BUSY ||
1301 atomic_read(&res->ref_count)) {
1302 pr_devel("%s-%d: state %s, ref_count %d\n",
1303 __func__, __LINE__,
1304 mtt_states_str(res->com.state),
1305 atomic_read(&res->ref_count));
1306 return -EBUSY;
1307 } else if (res->com.state != RES_MTT_ALLOCATED)
1308 return -EPERM;
1309 else if (res->order != order)
1310 return -EINVAL;
1311
1312 return 0;
1313}
1314
1315static int remove_mpt_ok(struct res_mpt *res)
1316{
1317 if (res->com.state == RES_MPT_BUSY)
1318 return -EBUSY;
1319 else if (res->com.state != RES_MPT_RESERVED)
1320 return -EPERM;
1321
1322 return 0;
1323}
1324
1325static int remove_eq_ok(struct res_eq *res)
1326{
1327 if (res->com.state == RES_MPT_BUSY)
1328 return -EBUSY;
1329 else if (res->com.state != RES_MPT_RESERVED)
1330 return -EPERM;
1331
1332 return 0;
1333}
1334
1335static int remove_counter_ok(struct res_counter *res)
1336{
1337 if (res->com.state == RES_COUNTER_BUSY)
1338 return -EBUSY;
1339 else if (res->com.state != RES_COUNTER_ALLOCATED)
1340 return -EPERM;
1341
1342 return 0;
1343}
1344
1345static int remove_xrcdn_ok(struct res_xrcdn *res)
1346{
1347 if (res->com.state == RES_XRCD_BUSY)
1348 return -EBUSY;
1349 else if (res->com.state != RES_XRCD_ALLOCATED)
1350 return -EPERM;
1351
1352 return 0;
1353}
1354
1355static int remove_fs_rule_ok(struct res_fs_rule *res)
1356{
1357 if (res->com.state == RES_FS_RULE_BUSY)
1358 return -EBUSY;
1359 else if (res->com.state != RES_FS_RULE_ALLOCATED)
1360 return -EPERM;
1361
1362 return 0;
1363}
1364
1365static int remove_cq_ok(struct res_cq *res)
1366{
1367 if (res->com.state == RES_CQ_BUSY)
1368 return -EBUSY;
1369 else if (res->com.state != RES_CQ_ALLOCATED)
1370 return -EPERM;
1371
1372 return 0;
1373}
1374
1375static int remove_srq_ok(struct res_srq *res)
1376{
1377 if (res->com.state == RES_SRQ_BUSY)
1378 return -EBUSY;
1379 else if (res->com.state != RES_SRQ_ALLOCATED)
1380 return -EPERM;
1381
1382 return 0;
1383}
1384
1385static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra)
1386{
1387 switch (type) {
1388 case RES_QP:
1389 return remove_qp_ok((struct res_qp *)res);
1390 case RES_CQ:
1391 return remove_cq_ok((struct res_cq *)res);
1392 case RES_SRQ:
1393 return remove_srq_ok((struct res_srq *)res);
1394 case RES_MPT:
1395 return remove_mpt_ok((struct res_mpt *)res);
1396 case RES_MTT:
1397 return remove_mtt_ok((struct res_mtt *)res, extra);
1398 case RES_MAC:
1399 return -ENOSYS;
1400 case RES_EQ:
1401 return remove_eq_ok((struct res_eq *)res);
1402 case RES_COUNTER:
1403 return remove_counter_ok((struct res_counter *)res);
1404 case RES_XRCD:
1405 return remove_xrcdn_ok((struct res_xrcdn *)res);
1406 case RES_FS_RULE:
1407 return remove_fs_rule_ok((struct res_fs_rule *)res);
1408 default:
1409 return -EINVAL;
1410 }
1411}
1412
1413static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
1414 enum mlx4_resource type, int extra)
1415{
1416 u64 i;
1417 int err;
1418 struct mlx4_priv *priv = mlx4_priv(dev);
1419 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1420 struct res_common *r;
1421
1422 spin_lock_irq(mlx4_tlock(dev));
1423 for (i = base; i < base + count; ++i) {
1424 r = res_tracker_lookup(&tracker->res_tree[type], i);
1425 if (!r) {
1426 err = -ENOENT;
1427 goto out;
1428 }
1429 if (r->owner != slave) {
1430 err = -EPERM;
1431 goto out;
1432 }
1433 err = remove_ok(r, type, extra);
1434 if (err)
1435 goto out;
1436 }
1437
1438 for (i = base; i < base + count; ++i) {
1439 r = res_tracker_lookup(&tracker->res_tree[type], i);
1440 rb_erase(&r->node, &tracker->res_tree[type]);
1441 list_del(&r->list);
1442 kfree(r);
1443 }
1444 err = 0;
1445
1446out:
1447 spin_unlock_irq(mlx4_tlock(dev));
1448
1449 return err;
1450}
1451
1452static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn,
1453 enum res_qp_states state, struct res_qp **qp,
1454 int alloc)
1455{
1456 struct mlx4_priv *priv = mlx4_priv(dev);
1457 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1458 struct res_qp *r;
1459 int err = 0;
1460
1461 spin_lock_irq(mlx4_tlock(dev));
1462 r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn);
1463 if (!r)
1464 err = -ENOENT;
1465 else if (r->com.owner != slave)
1466 err = -EPERM;
1467 else {
1468 switch (state) {
1469 case RES_QP_BUSY:
1470 mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n",
1471 __func__, r->com.res_id);
1472 err = -EBUSY;
1473 break;
1474
1475 case RES_QP_RESERVED:
1476 if (r->com.state == RES_QP_MAPPED && !alloc)
1477 break;
1478
1479 mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id);
1480 err = -EINVAL;
1481 break;
1482
1483 case RES_QP_MAPPED:
1484 if ((r->com.state == RES_QP_RESERVED && alloc) ||
1485 r->com.state == RES_QP_HW)
1486 break;
1487 else {
1488 mlx4_dbg(dev, "failed RES_QP, 0x%llx\n",
1489 r->com.res_id);
1490 err = -EINVAL;
1491 }
1492
1493 break;
1494
1495 case RES_QP_HW:
1496 if (r->com.state != RES_QP_MAPPED)
1497 err = -EINVAL;
1498 break;
1499 default:
1500 err = -EINVAL;
1501 }
1502
1503 if (!err) {
1504 r->com.from_state = r->com.state;
1505 r->com.to_state = state;
1506 r->com.state = RES_QP_BUSY;
1507 if (qp)
1508 *qp = r;
1509 }
1510 }
1511
1512 spin_unlock_irq(mlx4_tlock(dev));
1513
1514 return err;
1515}
1516
1517static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
1518 enum res_mpt_states state, struct res_mpt **mpt)
1519{
1520 struct mlx4_priv *priv = mlx4_priv(dev);
1521 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1522 struct res_mpt *r;
1523 int err = 0;
1524
1525 spin_lock_irq(mlx4_tlock(dev));
1526 r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index);
1527 if (!r)
1528 err = -ENOENT;
1529 else if (r->com.owner != slave)
1530 err = -EPERM;
1531 else {
1532 switch (state) {
1533 case RES_MPT_BUSY:
1534 err = -EINVAL;
1535 break;
1536
1537 case RES_MPT_RESERVED:
1538 if (r->com.state != RES_MPT_MAPPED)
1539 err = -EINVAL;
1540 break;
1541
1542 case RES_MPT_MAPPED:
1543 if (r->com.state != RES_MPT_RESERVED &&
1544 r->com.state != RES_MPT_HW)
1545 err = -EINVAL;
1546 break;
1547
1548 case RES_MPT_HW:
1549 if (r->com.state != RES_MPT_MAPPED)
1550 err = -EINVAL;
1551 break;
1552 default:
1553 err = -EINVAL;
1554 }
1555
1556 if (!err) {
1557 r->com.from_state = r->com.state;
1558 r->com.to_state = state;
1559 r->com.state = RES_MPT_BUSY;
1560 if (mpt)
1561 *mpt = r;
1562 }
1563 }
1564
1565 spin_unlock_irq(mlx4_tlock(dev));
1566
1567 return err;
1568}
1569
1570static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
1571 enum res_eq_states state, struct res_eq **eq)
1572{
1573 struct mlx4_priv *priv = mlx4_priv(dev);
1574 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1575 struct res_eq *r;
1576 int err = 0;
1577
1578 spin_lock_irq(mlx4_tlock(dev));
1579 r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index);
1580 if (!r)
1581 err = -ENOENT;
1582 else if (r->com.owner != slave)
1583 err = -EPERM;
1584 else {
1585 switch (state) {
1586 case RES_EQ_BUSY:
1587 err = -EINVAL;
1588 break;
1589
1590 case RES_EQ_RESERVED:
1591 if (r->com.state != RES_EQ_HW)
1592 err = -EINVAL;
1593 break;
1594
1595 case RES_EQ_HW:
1596 if (r->com.state != RES_EQ_RESERVED)
1597 err = -EINVAL;
1598 break;
1599
1600 default:
1601 err = -EINVAL;
1602 }
1603
1604 if (!err) {
1605 r->com.from_state = r->com.state;
1606 r->com.to_state = state;
1607 r->com.state = RES_EQ_BUSY;
1608 }
1609 }
1610
1611 spin_unlock_irq(mlx4_tlock(dev));
1612
1613 if (!err && eq)
1614 *eq = r;
1615
1616 return err;
1617}
1618
1619static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn,
1620 enum res_cq_states state, struct res_cq **cq)
1621{
1622 struct mlx4_priv *priv = mlx4_priv(dev);
1623 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1624 struct res_cq *r;
1625 int err;
1626
1627 spin_lock_irq(mlx4_tlock(dev));
1628 r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn);
1629 if (!r) {
1630 err = -ENOENT;
1631 } else if (r->com.owner != slave) {
1632 err = -EPERM;
1633 } else if (state == RES_CQ_ALLOCATED) {
1634 if (r->com.state != RES_CQ_HW)
1635 err = -EINVAL;
1636 else if (atomic_read(&r->ref_count))
1637 err = -EBUSY;
1638 else
1639 err = 0;
1640 } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) {
1641 err = -EINVAL;
1642 } else {
1643 err = 0;
1644 }
1645
1646 if (!err) {
1647 r->com.from_state = r->com.state;
1648 r->com.to_state = state;
1649 r->com.state = RES_CQ_BUSY;
1650 if (cq)
1651 *cq = r;
1652 }
1653
1654 spin_unlock_irq(mlx4_tlock(dev));
1655
1656 return err;
1657}
1658
1659static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index,
1660 enum res_srq_states state, struct res_srq **srq)
1661{
1662 struct mlx4_priv *priv = mlx4_priv(dev);
1663 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1664 struct res_srq *r;
1665 int err = 0;
1666
1667 spin_lock_irq(mlx4_tlock(dev));
1668 r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index);
1669 if (!r) {
1670 err = -ENOENT;
1671 } else if (r->com.owner != slave) {
1672 err = -EPERM;
1673 } else if (state == RES_SRQ_ALLOCATED) {
1674 if (r->com.state != RES_SRQ_HW)
1675 err = -EINVAL;
1676 else if (atomic_read(&r->ref_count))
1677 err = -EBUSY;
1678 } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) {
1679 err = -EINVAL;
1680 }
1681
1682 if (!err) {
1683 r->com.from_state = r->com.state;
1684 r->com.to_state = state;
1685 r->com.state = RES_SRQ_BUSY;
1686 if (srq)
1687 *srq = r;
1688 }
1689
1690 spin_unlock_irq(mlx4_tlock(dev));
1691
1692 return err;
1693}
1694
1695static void res_abort_move(struct mlx4_dev *dev, int slave,
1696 enum mlx4_resource type, int id)
1697{
1698 struct mlx4_priv *priv = mlx4_priv(dev);
1699 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1700 struct res_common *r;
1701
1702 spin_lock_irq(mlx4_tlock(dev));
1703 r = res_tracker_lookup(&tracker->res_tree[type], id);
1704 if (r && (r->owner == slave))
1705 r->state = r->from_state;
1706 spin_unlock_irq(mlx4_tlock(dev));
1707}
1708
1709static void res_end_move(struct mlx4_dev *dev, int slave,
1710 enum mlx4_resource type, int id)
1711{
1712 struct mlx4_priv *priv = mlx4_priv(dev);
1713 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1714 struct res_common *r;
1715
1716 spin_lock_irq(mlx4_tlock(dev));
1717 r = res_tracker_lookup(&tracker->res_tree[type], id);
1718 if (r && (r->owner == slave))
1719 r->state = r->to_state;
1720 spin_unlock_irq(mlx4_tlock(dev));
1721}
1722
1723static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn)
1724{
1725 return mlx4_is_qp_reserved(dev, qpn) &&
1726 (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn));
1727}
1728
1729static int fw_reserved(struct mlx4_dev *dev, int qpn)
1730{
1731 return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW];
1732}
1733
1734static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
1735 u64 in_param, u64 *out_param)
1736{
1737 int err;
1738 int count;
1739 int align;
1740 int base;
1741 int qpn;
1742 u8 flags;
1743
1744 switch (op) {
1745 case RES_OP_RESERVE:
1746 count = get_param_l(&in_param) & 0xffffff;
1747
1748
1749
1750 flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask;
1751 align = get_param_h(&in_param);
1752 err = mlx4_grant_resource(dev, slave, RES_QP, count, 0);
1753 if (err)
1754 return err;
1755
1756 err = __mlx4_qp_reserve_range(dev, count, align, &base, flags);
1757 if (err) {
1758 mlx4_release_resource(dev, slave, RES_QP, count, 0);
1759 return err;
1760 }
1761
1762 err = add_res_range(dev, slave, base, count, RES_QP, 0);
1763 if (err) {
1764 mlx4_release_resource(dev, slave, RES_QP, count, 0);
1765 __mlx4_qp_release_range(dev, base, count);
1766 return err;
1767 }
1768 set_param_l(out_param, base);
1769 break;
1770 case RES_OP_MAP_ICM:
1771 qpn = get_param_l(&in_param) & 0x7fffff;
1772 if (valid_reserved(dev, slave, qpn)) {
1773 err = add_res_range(dev, slave, qpn, 1, RES_QP, 0);
1774 if (err)
1775 return err;
1776 }
1777
1778 err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED,
1779 NULL, 1);
1780 if (err)
1781 return err;
1782
1783 if (!fw_reserved(dev, qpn)) {
1784 err = __mlx4_qp_alloc_icm(dev, qpn, GFP_KERNEL);
1785 if (err) {
1786 res_abort_move(dev, slave, RES_QP, qpn);
1787 return err;
1788 }
1789 }
1790
1791 res_end_move(dev, slave, RES_QP, qpn);
1792 break;
1793
1794 default:
1795 err = -EINVAL;
1796 break;
1797 }
1798 return err;
1799}
1800
1801static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
1802 u64 in_param, u64 *out_param)
1803{
1804 int err = -EINVAL;
1805 int base;
1806 int order;
1807
1808 if (op != RES_OP_RESERVE_AND_MAP)
1809 return err;
1810
1811 order = get_param_l(&in_param);
1812
1813 err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0);
1814 if (err)
1815 return err;
1816
1817 base = __mlx4_alloc_mtt_range(dev, order);
1818 if (base == -1) {
1819 mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
1820 return -ENOMEM;
1821 }
1822
1823 err = add_res_range(dev, slave, base, 1, RES_MTT, order);
1824 if (err) {
1825 mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
1826 __mlx4_free_mtt_range(dev, base, order);
1827 } else {
1828 set_param_l(out_param, base);
1829 }
1830
1831 return err;
1832}
1833
1834static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
1835 u64 in_param, u64 *out_param)
1836{
1837 int err = -EINVAL;
1838 int index;
1839 int id;
1840 struct res_mpt *mpt;
1841
1842 switch (op) {
1843 case RES_OP_RESERVE:
1844 err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0);
1845 if (err)
1846 break;
1847
1848 index = __mlx4_mpt_reserve(dev);
1849 if (index == -1) {
1850 mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
1851 break;
1852 }
1853 id = index & mpt_mask(dev);
1854
1855 err = add_res_range(dev, slave, id, 1, RES_MPT, index);
1856 if (err) {
1857 mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
1858 __mlx4_mpt_release(dev, index);
1859 break;
1860 }
1861 set_param_l(out_param, index);
1862 break;
1863 case RES_OP_MAP_ICM:
1864 index = get_param_l(&in_param);
1865 id = index & mpt_mask(dev);
1866 err = mr_res_start_move_to(dev, slave, id,
1867 RES_MPT_MAPPED, &mpt);
1868 if (err)
1869 return err;
1870
1871 err = __mlx4_mpt_alloc_icm(dev, mpt->key, GFP_KERNEL);
1872 if (err) {
1873 res_abort_move(dev, slave, RES_MPT, id);
1874 return err;
1875 }
1876
1877 res_end_move(dev, slave, RES_MPT, id);
1878 break;
1879 }
1880 return err;
1881}
1882
1883static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
1884 u64 in_param, u64 *out_param)
1885{
1886 int cqn;
1887 int err;
1888
1889 switch (op) {
1890 case RES_OP_RESERVE_AND_MAP:
1891 err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0);
1892 if (err)
1893 break;
1894
1895 err = __mlx4_cq_alloc_icm(dev, &cqn);
1896 if (err) {
1897 mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
1898 break;
1899 }
1900
1901 err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0);
1902 if (err) {
1903 mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
1904 __mlx4_cq_free_icm(dev, cqn);
1905 break;
1906 }
1907
1908 set_param_l(out_param, cqn);
1909 break;
1910
1911 default:
1912 err = -EINVAL;
1913 }
1914
1915 return err;
1916}
1917
1918static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
1919 u64 in_param, u64 *out_param)
1920{
1921 int srqn;
1922 int err;
1923
1924 switch (op) {
1925 case RES_OP_RESERVE_AND_MAP:
1926 err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0);
1927 if (err)
1928 break;
1929
1930 err = __mlx4_srq_alloc_icm(dev, &srqn);
1931 if (err) {
1932 mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
1933 break;
1934 }
1935
1936 err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
1937 if (err) {
1938 mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
1939 __mlx4_srq_free_icm(dev, srqn);
1940 break;
1941 }
1942
1943 set_param_l(out_param, srqn);
1944 break;
1945
1946 default:
1947 err = -EINVAL;
1948 }
1949
1950 return err;
1951}
1952
1953static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port,
1954 u8 smac_index, u64 *mac)
1955{
1956 struct mlx4_priv *priv = mlx4_priv(dev);
1957 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1958 struct list_head *mac_list =
1959 &tracker->slave_list[slave].res_list[RES_MAC];
1960 struct mac_res *res, *tmp;
1961
1962 list_for_each_entry_safe(res, tmp, mac_list, list) {
1963 if (res->smac_index == smac_index && res->port == (u8) port) {
1964 *mac = res->mac;
1965 return 0;
1966 }
1967 }
1968 return -ENOENT;
1969}
1970
1971static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index)
1972{
1973 struct mlx4_priv *priv = mlx4_priv(dev);
1974 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
1975 struct list_head *mac_list =
1976 &tracker->slave_list[slave].res_list[RES_MAC];
1977 struct mac_res *res, *tmp;
1978
1979 list_for_each_entry_safe(res, tmp, mac_list, list) {
1980 if (res->mac == mac && res->port == (u8) port) {
1981
1982 ++res->ref_count;
1983 return 0;
1984 }
1985 }
1986
1987 if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port))
1988 return -EINVAL;
1989 res = kzalloc(sizeof *res, GFP_KERNEL);
1990 if (!res) {
1991 mlx4_release_resource(dev, slave, RES_MAC, 1, port);
1992 return -ENOMEM;
1993 }
1994 res->mac = mac;
1995 res->port = (u8) port;
1996 res->smac_index = smac_index;
1997 res->ref_count = 1;
1998 list_add_tail(&res->list,
1999 &tracker->slave_list[slave].res_list[RES_MAC]);
2000 return 0;
2001}
2002
2003static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac,
2004 int port)
2005{
2006 struct mlx4_priv *priv = mlx4_priv(dev);
2007 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
2008 struct list_head *mac_list =
2009 &tracker->slave_list[slave].res_list[RES_MAC];
2010 struct mac_res *res, *tmp;
2011
2012 list_for_each_entry_safe(res, tmp, mac_list, list) {
2013 if (res->mac == mac && res->port == (u8) port) {
2014 if (!--res->ref_count) {
2015 list_del(&res->list);
2016 mlx4_release_resource(dev, slave, RES_MAC, 1, port);
2017 kfree(res);
2018 }
2019 break;
2020 }
2021 }
2022}
2023
2024static void rem_slave_macs(struct mlx4_dev *dev, int slave)
2025{
2026 struct mlx4_priv *priv = mlx4_priv(dev);
2027 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
2028 struct list_head *mac_list =
2029 &tracker->slave_list[slave].res_list[RES_MAC];
2030 struct mac_res *res, *tmp;
2031 int i;
2032
2033 list_for_each_entry_safe(res, tmp, mac_list, list) {
2034 list_del(&res->list);
2035
2036 for (i = 0; i < res->ref_count; i++)
2037 __mlx4_unregister_mac(dev, res->port, res->mac);
2038 mlx4_release_resource(dev, slave, RES_MAC, 1, res->port);
2039 kfree(res);
2040 }
2041}
2042
2043static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2044 u64 in_param, u64 *out_param, int in_port)
2045{
2046 int err = -EINVAL;
2047 int port;
2048 u64 mac;
2049 u8 smac_index;
2050
2051 if (op != RES_OP_RESERVE_AND_MAP)
2052 return err;
2053
2054 port = !in_port ? get_param_l(out_param) : in_port;
2055 port = mlx4_slave_convert_port(
2056 dev, slave, port);
2057
2058 if (port < 0)
2059 return -EINVAL;
2060 mac = in_param;
2061
2062 err = __mlx4_register_mac(dev, port, mac);
2063 if (err >= 0) {
2064 smac_index = err;
2065 set_param_l(out_param, err);
2066 err = 0;
2067 }
2068
2069 if (!err) {
2070 err = mac_add_to_slave(dev, slave, mac, port, smac_index);
2071 if (err)
2072 __mlx4_unregister_mac(dev, port, mac);
2073 }
2074 return err;
2075}
2076
2077static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan,
2078 int port, int vlan_index)
2079{
2080 struct mlx4_priv *priv = mlx4_priv(dev);
2081 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
2082 struct list_head *vlan_list =
2083 &tracker->slave_list[slave].res_list[RES_VLAN];
2084 struct vlan_res *res, *tmp;
2085
2086 list_for_each_entry_safe(res, tmp, vlan_list, list) {
2087 if (res->vlan == vlan && res->port == (u8) port) {
2088
2089 ++res->ref_count;
2090 return 0;
2091 }
2092 }
2093
2094 if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port))
2095 return -EINVAL;
2096 res = kzalloc(sizeof(*res), GFP_KERNEL);
2097 if (!res) {
2098 mlx4_release_resource(dev, slave, RES_VLAN, 1, port);
2099 return -ENOMEM;
2100 }
2101 res->vlan = vlan;
2102 res->port = (u8) port;
2103 res->vlan_index = vlan_index;
2104 res->ref_count = 1;
2105 list_add_tail(&res->list,
2106 &tracker->slave_list[slave].res_list[RES_VLAN]);
2107 return 0;
2108}
2109
2110
2111static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan,
2112 int port)
2113{
2114 struct mlx4_priv *priv = mlx4_priv(dev);
2115 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
2116 struct list_head *vlan_list =
2117 &tracker->slave_list[slave].res_list[RES_VLAN];
2118 struct vlan_res *res, *tmp;
2119
2120 list_for_each_entry_safe(res, tmp, vlan_list, list) {
2121 if (res->vlan == vlan && res->port == (u8) port) {
2122 if (!--res->ref_count) {
2123 list_del(&res->list);
2124 mlx4_release_resource(dev, slave, RES_VLAN,
2125 1, port);
2126 kfree(res);
2127 }
2128 break;
2129 }
2130 }
2131}
2132
2133static void rem_slave_vlans(struct mlx4_dev *dev, int slave)
2134{
2135 struct mlx4_priv *priv = mlx4_priv(dev);
2136 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
2137 struct list_head *vlan_list =
2138 &tracker->slave_list[slave].res_list[RES_VLAN];
2139 struct vlan_res *res, *tmp;
2140 int i;
2141
2142 list_for_each_entry_safe(res, tmp, vlan_list, list) {
2143 list_del(&res->list);
2144
2145 for (i = 0; i < res->ref_count; i++)
2146 __mlx4_unregister_vlan(dev, res->port, res->vlan);
2147 mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port);
2148 kfree(res);
2149 }
2150}
2151
2152static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2153 u64 in_param, u64 *out_param, int in_port)
2154{
2155 struct mlx4_priv *priv = mlx4_priv(dev);
2156 struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state;
2157 int err;
2158 u16 vlan;
2159 int vlan_index;
2160 int port;
2161
2162 port = !in_port ? get_param_l(out_param) : in_port;
2163
2164 if (!port || op != RES_OP_RESERVE_AND_MAP)
2165 return -EINVAL;
2166
2167 port = mlx4_slave_convert_port(
2168 dev, slave, port);
2169
2170 if (port < 0)
2171 return -EINVAL;
2172
2173 if (!in_port && port > 0 && port <= dev->caps.num_ports) {
2174 slave_state[slave].old_vlan_api = true;
2175 return 0;
2176 }
2177
2178 vlan = (u16) in_param;
2179
2180 err = __mlx4_register_vlan(dev, port, vlan, &vlan_index);
2181 if (!err) {
2182 set_param_l(out_param, (u32) vlan_index);
2183 err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index);
2184 if (err)
2185 __mlx4_unregister_vlan(dev, port, vlan);
2186 }
2187 return err;
2188}
2189
2190static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2191 u64 in_param, u64 *out_param, int port)
2192{
2193 u32 index;
2194 int err;
2195
2196 if (op != RES_OP_RESERVE)
2197 return -EINVAL;
2198
2199 err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0);
2200 if (err)
2201 return err;
2202
2203 err = __mlx4_counter_alloc(dev, &index);
2204 if (err) {
2205 mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
2206 return err;
2207 }
2208
2209 err = add_res_range(dev, slave, index, 1, RES_COUNTER, port);
2210 if (err) {
2211 __mlx4_counter_free(dev, index);
2212 mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
2213 } else {
2214 set_param_l(out_param, index);
2215 }
2216
2217 return err;
2218}
2219
2220static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2221 u64 in_param, u64 *out_param)
2222{
2223 u32 xrcdn;
2224 int err;
2225
2226 if (op != RES_OP_RESERVE)
2227 return -EINVAL;
2228
2229 err = __mlx4_xrcd_alloc(dev, &xrcdn);
2230 if (err)
2231 return err;
2232
2233 err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
2234 if (err)
2235 __mlx4_xrcd_free(dev, xrcdn);
2236 else
2237 set_param_l(out_param, xrcdn);
2238
2239 return err;
2240}
2241
2242int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
2243 struct mlx4_vhcr *vhcr,
2244 struct mlx4_cmd_mailbox *inbox,
2245 struct mlx4_cmd_mailbox *outbox,
2246 struct mlx4_cmd_info *cmd)
2247{
2248 int err;
2249 int alop = vhcr->op_modifier;
2250
2251 switch (vhcr->in_modifier & 0xFF) {
2252 case RES_QP:
2253 err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop,
2254 vhcr->in_param, &vhcr->out_param);
2255 break;
2256
2257 case RES_MTT:
2258 err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop,
2259 vhcr->in_param, &vhcr->out_param);
2260 break;
2261
2262 case RES_MPT:
2263 err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop,
2264 vhcr->in_param, &vhcr->out_param);
2265 break;
2266
2267 case RES_CQ:
2268 err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop,
2269 vhcr->in_param, &vhcr->out_param);
2270 break;
2271
2272 case RES_SRQ:
2273 err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop,
2274 vhcr->in_param, &vhcr->out_param);
2275 break;
2276
2277 case RES_MAC:
2278 err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop,
2279 vhcr->in_param, &vhcr->out_param,
2280 (vhcr->in_modifier >> 8) & 0xFF);
2281 break;
2282
2283 case RES_VLAN:
2284 err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop,
2285 vhcr->in_param, &vhcr->out_param,
2286 (vhcr->in_modifier >> 8) & 0xFF);
2287 break;
2288
2289 case RES_COUNTER:
2290 err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop,
2291 vhcr->in_param, &vhcr->out_param, 0);
2292 break;
2293
2294 case RES_XRCD:
2295 err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop,
2296 vhcr->in_param, &vhcr->out_param);
2297 break;
2298
2299 default:
2300 err = -EINVAL;
2301 break;
2302 }
2303
2304 return err;
2305}
2306
2307static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2308 u64 in_param)
2309{
2310 int err;
2311 int count;
2312 int base;
2313 int qpn;
2314
2315 switch (op) {
2316 case RES_OP_RESERVE:
2317 base = get_param_l(&in_param) & 0x7fffff;
2318 count = get_param_h(&in_param);
2319 err = rem_res_range(dev, slave, base, count, RES_QP, 0);
2320 if (err)
2321 break;
2322 mlx4_release_resource(dev, slave, RES_QP, count, 0);
2323 __mlx4_qp_release_range(dev, base, count);
2324 break;
2325 case RES_OP_MAP_ICM:
2326 qpn = get_param_l(&in_param) & 0x7fffff;
2327 err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED,
2328 NULL, 0);
2329 if (err)
2330 return err;
2331
2332 if (!fw_reserved(dev, qpn))
2333 __mlx4_qp_free_icm(dev, qpn);
2334
2335 res_end_move(dev, slave, RES_QP, qpn);
2336
2337 if (valid_reserved(dev, slave, qpn))
2338 err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0);
2339 break;
2340 default:
2341 err = -EINVAL;
2342 break;
2343 }
2344 return err;
2345}
2346
2347static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2348 u64 in_param, u64 *out_param)
2349{
2350 int err = -EINVAL;
2351 int base;
2352 int order;
2353
2354 if (op != RES_OP_RESERVE_AND_MAP)
2355 return err;
2356
2357 base = get_param_l(&in_param);
2358 order = get_param_h(&in_param);
2359 err = rem_res_range(dev, slave, base, 1, RES_MTT, order);
2360 if (!err) {
2361 mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0);
2362 __mlx4_free_mtt_range(dev, base, order);
2363 }
2364 return err;
2365}
2366
2367static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2368 u64 in_param)
2369{
2370 int err = -EINVAL;
2371 int index;
2372 int id;
2373 struct res_mpt *mpt;
2374
2375 switch (op) {
2376 case RES_OP_RESERVE:
2377 index = get_param_l(&in_param);
2378 id = index & mpt_mask(dev);
2379 err = get_res(dev, slave, id, RES_MPT, &mpt);
2380 if (err)
2381 break;
2382 index = mpt->key;
2383 put_res(dev, slave, id, RES_MPT);
2384
2385 err = rem_res_range(dev, slave, id, 1, RES_MPT, 0);
2386 if (err)
2387 break;
2388 mlx4_release_resource(dev, slave, RES_MPT, 1, 0);
2389 __mlx4_mpt_release(dev, index);
2390 break;
2391 case RES_OP_MAP_ICM:
2392 index = get_param_l(&in_param);
2393 id = index & mpt_mask(dev);
2394 err = mr_res_start_move_to(dev, slave, id,
2395 RES_MPT_RESERVED, &mpt);
2396 if (err)
2397 return err;
2398
2399 __mlx4_mpt_free_icm(dev, mpt->key);
2400 res_end_move(dev, slave, RES_MPT, id);
2401 break;
2402 default:
2403 err = -EINVAL;
2404 break;
2405 }
2406 return err;
2407}
2408
2409static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2410 u64 in_param, u64 *out_param)
2411{
2412 int cqn;
2413 int err;
2414
2415 switch (op) {
2416 case RES_OP_RESERVE_AND_MAP:
2417 cqn = get_param_l(&in_param);
2418 err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0);
2419 if (err)
2420 break;
2421
2422 mlx4_release_resource(dev, slave, RES_CQ, 1, 0);
2423 __mlx4_cq_free_icm(dev, cqn);
2424 break;
2425
2426 default:
2427 err = -EINVAL;
2428 break;
2429 }
2430
2431 return err;
2432}
2433
2434static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2435 u64 in_param, u64 *out_param)
2436{
2437 int srqn;
2438 int err;
2439
2440 switch (op) {
2441 case RES_OP_RESERVE_AND_MAP:
2442 srqn = get_param_l(&in_param);
2443 err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0);
2444 if (err)
2445 break;
2446
2447 mlx4_release_resource(dev, slave, RES_SRQ, 1, 0);
2448 __mlx4_srq_free_icm(dev, srqn);
2449 break;
2450
2451 default:
2452 err = -EINVAL;
2453 break;
2454 }
2455
2456 return err;
2457}
2458
2459static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2460 u64 in_param, u64 *out_param, int in_port)
2461{
2462 int port;
2463 int err = 0;
2464
2465 switch (op) {
2466 case RES_OP_RESERVE_AND_MAP:
2467 port = !in_port ? get_param_l(out_param) : in_port;
2468 port = mlx4_slave_convert_port(
2469 dev, slave, port);
2470
2471 if (port < 0)
2472 return -EINVAL;
2473 mac_del_from_slave(dev, slave, in_param, port);
2474 __mlx4_unregister_mac(dev, port, in_param);
2475 break;
2476 default:
2477 err = -EINVAL;
2478 break;
2479 }
2480
2481 return err;
2482
2483}
2484
2485static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2486 u64 in_param, u64 *out_param, int port)
2487{
2488 struct mlx4_priv *priv = mlx4_priv(dev);
2489 struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state;
2490 int err = 0;
2491
2492 port = mlx4_slave_convert_port(
2493 dev, slave, port);
2494
2495 if (port < 0)
2496 return -EINVAL;
2497 switch (op) {
2498 case RES_OP_RESERVE_AND_MAP:
2499 if (slave_state[slave].old_vlan_api)
2500 return 0;
2501 if (!port)
2502 return -EINVAL;
2503 vlan_del_from_slave(dev, slave, in_param, port);
2504 __mlx4_unregister_vlan(dev, port, in_param);
2505 break;
2506 default:
2507 err = -EINVAL;
2508 break;
2509 }
2510
2511 return err;
2512}
2513
2514static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2515 u64 in_param, u64 *out_param)
2516{
2517 int index;
2518 int err;
2519
2520 if (op != RES_OP_RESERVE)
2521 return -EINVAL;
2522
2523 index = get_param_l(&in_param);
2524 if (index == MLX4_SINK_COUNTER_INDEX(dev))
2525 return 0;
2526
2527 err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0);
2528 if (err)
2529 return err;
2530
2531 __mlx4_counter_free(dev, index);
2532 mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
2533
2534 return err;
2535}
2536
2537static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd,
2538 u64 in_param, u64 *out_param)
2539{
2540 int xrcdn;
2541 int err;
2542
2543 if (op != RES_OP_RESERVE)
2544 return -EINVAL;
2545
2546 xrcdn = get_param_l(&in_param);
2547 err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0);
2548 if (err)
2549 return err;
2550
2551 __mlx4_xrcd_free(dev, xrcdn);
2552
2553 return err;
2554}
2555
2556int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
2557 struct mlx4_vhcr *vhcr,
2558 struct mlx4_cmd_mailbox *inbox,
2559 struct mlx4_cmd_mailbox *outbox,
2560 struct mlx4_cmd_info *cmd)
2561{
2562 int err = -EINVAL;
2563 int alop = vhcr->op_modifier;
2564
2565 switch (vhcr->in_modifier & 0xFF) {
2566 case RES_QP:
2567 err = qp_free_res(dev, slave, vhcr->op_modifier, alop,
2568 vhcr->in_param);
2569 break;
2570
2571 case RES_MTT:
2572 err = mtt_free_res(dev, slave, vhcr->op_modifier, alop,
2573 vhcr->in_param, &vhcr->out_param);
2574 break;
2575
2576 case RES_MPT:
2577 err = mpt_free_res(dev, slave, vhcr->op_modifier, alop,
2578 vhcr->in_param);
2579 break;
2580
2581 case RES_CQ:
2582 err = cq_free_res(dev, slave, vhcr->op_modifier, alop,
2583 vhcr->in_param, &vhcr->out_param);
2584 break;
2585
2586 case RES_SRQ:
2587 err = srq_free_res(dev, slave, vhcr->op_modifier, alop,
2588 vhcr->in_param, &vhcr->out_param);
2589 break;
2590
2591 case RES_MAC:
2592 err = mac_free_res(dev, slave, vhcr->op_modifier, alop,
2593 vhcr->in_param, &vhcr->out_param,
2594 (vhcr->in_modifier >> 8) & 0xFF);
2595 break;
2596
2597 case RES_VLAN:
2598 err = vlan_free_res(dev, slave, vhcr->op_modifier, alop,
2599 vhcr->in_param, &vhcr->out_param,
2600 (vhcr->in_modifier >> 8) & 0xFF);
2601 break;
2602
2603 case RES_COUNTER:
2604 err = counter_free_res(dev, slave, vhcr->op_modifier, alop,
2605 vhcr->in_param, &vhcr->out_param);
2606 break;
2607
2608 case RES_XRCD:
2609 err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
2610 vhcr->in_param, &vhcr->out_param);
2611
2612 default:
2613 break;
2614 }
2615 return err;
2616}
2617
2618
2619static int mr_phys_mpt(struct mlx4_mpt_entry *mpt)
2620{
2621 return (be32_to_cpu(mpt->flags) >> 9) & 1;
2622}
2623
2624static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt)
2625{
2626 return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8;
2627}
2628
2629static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt)
2630{
2631 return be32_to_cpu(mpt->mtt_sz);
2632}
2633
2634static u32 mr_get_pd(struct mlx4_mpt_entry *mpt)
2635{
2636 return be32_to_cpu(mpt->pd_flags) & 0x00ffffff;
2637}
2638
2639static int mr_is_fmr(struct mlx4_mpt_entry *mpt)
2640{
2641 return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG;
2642}
2643
2644static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt)
2645{
2646 return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE;
2647}
2648
2649static int mr_is_region(struct mlx4_mpt_entry *mpt)
2650{
2651 return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION;
2652}
2653
2654static int qp_get_mtt_addr(struct mlx4_qp_context *qpc)
2655{
2656 return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8;
2657}
2658
2659static int srq_get_mtt_addr(struct mlx4_srq_context *srqc)
2660{
2661 return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8;
2662}
2663
2664static int qp_get_mtt_size(struct mlx4_qp_context *qpc)
2665{
2666 int page_shift = (qpc->log_page_size & 0x3f) + 12;
2667 int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf;
2668 int log_sq_sride = qpc->sq_size_stride & 7;
2669 int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf;
2670 int log_rq_stride = qpc->rq_size_stride & 7;
2671 int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1;
2672 int rss = (be32_to_cpu(qpc->flags) >> 13) & 1;
2673 u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
2674 int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0;
2675 int sq_size;
2676 int rq_size;
2677 int total_pages;
2678 int total_mem;
2679 int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f;
2680
2681 sq_size = 1 << (log_sq_size + log_sq_sride + 4);
2682 rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4));
2683 total_mem = sq_size + rq_size;
2684 total_pages =
2685 roundup_pow_of_two((total_mem + (page_offset << 6)) >>
2686 page_shift);
2687
2688 return total_pages;
2689}
2690
2691static int check_mtt_range(struct mlx4_dev *dev, int slave, int start,
2692 int size, struct res_mtt *mtt)
2693{
2694 int res_start = mtt->com.res_id;
2695 int res_size = (1 << mtt->order);
2696
2697 if (start < res_start || start + size > res_start + res_size)
2698 return -EPERM;
2699 return 0;
2700}
2701
2702int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
2703 struct mlx4_vhcr *vhcr,
2704 struct mlx4_cmd_mailbox *inbox,
2705 struct mlx4_cmd_mailbox *outbox,
2706 struct mlx4_cmd_info *cmd)
2707{
2708 int err;
2709 int index = vhcr->in_modifier;
2710 struct res_mtt *mtt;
2711 struct res_mpt *mpt;
2712 int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz;
2713 int phys;
2714 int id;
2715 u32 pd;
2716 int pd_slave;
2717
2718 id = index & mpt_mask(dev);
2719 err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt);
2720 if (err)
2721 return err;
2722
2723
2724 if (!mr_is_region(inbox->buf)) {
2725 err = -EPERM;
2726 goto ex_abort;
2727 }
2728
2729
2730 pd = mr_get_pd(inbox->buf);
2731 pd_slave = (pd >> 17) & 0x7f;
2732 if (pd_slave != 0 && --pd_slave != slave) {
2733 err = -EPERM;
2734 goto ex_abort;
2735 }
2736
2737 if (mr_is_fmr(inbox->buf)) {
2738
2739 if (mr_is_bind_enabled(inbox->buf)) {
2740 err = -EPERM;
2741 goto ex_abort;
2742 }
2743
2744 if (!mr_is_region(inbox->buf)) {
2745 err = -EPERM;
2746 goto ex_abort;
2747 }
2748 }
2749
2750 phys = mr_phys_mpt(inbox->buf);
2751 if (!phys) {
2752 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
2753 if (err)
2754 goto ex_abort;
2755
2756 err = check_mtt_range(dev, slave, mtt_base,
2757 mr_get_mtt_size(inbox->buf), mtt);
2758 if (err)
2759 goto ex_put;
2760
2761 mpt->mtt = mtt;
2762 }
2763
2764 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
2765 if (err)
2766 goto ex_put;
2767
2768 if (!phys) {
2769 atomic_inc(&mtt->ref_count);
2770 put_res(dev, slave, mtt->com.res_id, RES_MTT);
2771 }
2772
2773 res_end_move(dev, slave, RES_MPT, id);
2774 return 0;
2775
2776ex_put:
2777 if (!phys)
2778 put_res(dev, slave, mtt->com.res_id, RES_MTT);
2779ex_abort:
2780 res_abort_move(dev, slave, RES_MPT, id);
2781
2782 return err;
2783}
2784
2785int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
2786 struct mlx4_vhcr *vhcr,
2787 struct mlx4_cmd_mailbox *inbox,
2788 struct mlx4_cmd_mailbox *outbox,
2789 struct mlx4_cmd_info *cmd)
2790{
2791 int err;
2792 int index = vhcr->in_modifier;
2793 struct res_mpt *mpt;
2794 int id;
2795
2796 id = index & mpt_mask(dev);
2797 err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt);
2798 if (err)
2799 return err;
2800
2801 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
2802 if (err)
2803 goto ex_abort;
2804
2805 if (mpt->mtt)
2806 atomic_dec(&mpt->mtt->ref_count);
2807
2808 res_end_move(dev, slave, RES_MPT, id);
2809 return 0;
2810
2811ex_abort:
2812 res_abort_move(dev, slave, RES_MPT, id);
2813
2814 return err;
2815}
2816
2817int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
2818 struct mlx4_vhcr *vhcr,
2819 struct mlx4_cmd_mailbox *inbox,
2820 struct mlx4_cmd_mailbox *outbox,
2821 struct mlx4_cmd_info *cmd)
2822{
2823 int err;
2824 int index = vhcr->in_modifier;
2825 struct res_mpt *mpt;
2826 int id;
2827
2828 id = index & mpt_mask(dev);
2829 err = get_res(dev, slave, id, RES_MPT, &mpt);
2830 if (err)
2831 return err;
2832
2833 if (mpt->com.from_state == RES_MPT_MAPPED) {
2834
2835
2836
2837
2838
2839
2840
2841
2842 struct mlx4_mpt_entry *mpt_entry = mlx4_table_find(
2843 &mlx4_priv(dev)->mr_table.dmpt_table,
2844 mpt->key, NULL);
2845
2846 if (NULL == mpt_entry || NULL == outbox->buf) {
2847 err = -EINVAL;
2848 goto out;
2849 }
2850
2851 memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry));
2852
2853 err = 0;
2854 } else if (mpt->com.from_state == RES_MPT_HW) {
2855 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
2856 } else {
2857 err = -EBUSY;
2858 goto out;
2859 }
2860
2861
2862out:
2863 put_res(dev, slave, id, RES_MPT);
2864 return err;
2865}
2866
2867static int qp_get_rcqn(struct mlx4_qp_context *qpc)
2868{
2869 return be32_to_cpu(qpc->cqn_recv) & 0xffffff;
2870}
2871
2872static int qp_get_scqn(struct mlx4_qp_context *qpc)
2873{
2874 return be32_to_cpu(qpc->cqn_send) & 0xffffff;
2875}
2876
2877static u32 qp_get_srqn(struct mlx4_qp_context *qpc)
2878{
2879 return be32_to_cpu(qpc->srqn) & 0x1ffffff;
2880}
2881
2882static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr,
2883 struct mlx4_qp_context *context)
2884{
2885 u32 qpn = vhcr->in_modifier & 0xffffff;
2886 u32 qkey = 0;
2887
2888 if (mlx4_get_parav_qkey(dev, qpn, &qkey))
2889 return;
2890
2891
2892 context->qkey = cpu_to_be32(qkey);
2893}
2894
2895static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave,
2896 struct mlx4_qp_context *qpc,
2897 struct mlx4_cmd_mailbox *inbox);
2898
2899int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
2900 struct mlx4_vhcr *vhcr,
2901 struct mlx4_cmd_mailbox *inbox,
2902 struct mlx4_cmd_mailbox *outbox,
2903 struct mlx4_cmd_info *cmd)
2904{
2905 int err;
2906 int qpn = vhcr->in_modifier & 0x7fffff;
2907 struct res_mtt *mtt;
2908 struct res_qp *qp;
2909 struct mlx4_qp_context *qpc = inbox->buf + 8;
2910 int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz;
2911 int mtt_size = qp_get_mtt_size(qpc);
2912 struct res_cq *rcq;
2913 struct res_cq *scq;
2914 int rcqn = qp_get_rcqn(qpc);
2915 int scqn = qp_get_scqn(qpc);
2916 u32 srqn = qp_get_srqn(qpc) & 0xffffff;
2917 int use_srq = (qp_get_srqn(qpc) >> 24) & 1;
2918 struct res_srq *srq;
2919 int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff;
2920
2921 err = adjust_qp_sched_queue(dev, slave, qpc, inbox);
2922 if (err)
2923 return err;
2924
2925 err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0);
2926 if (err)
2927 return err;
2928 qp->local_qpn = local_qpn;
2929 qp->sched_queue = 0;
2930 qp->param3 = 0;
2931 qp->vlan_control = 0;
2932 qp->fvl_rx = 0;
2933 qp->pri_path_fl = 0;
2934 qp->vlan_index = 0;
2935 qp->feup = 0;
2936 qp->qpc_flags = be32_to_cpu(qpc->flags);
2937
2938 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
2939 if (err)
2940 goto ex_abort;
2941
2942 err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
2943 if (err)
2944 goto ex_put_mtt;
2945
2946 err = get_res(dev, slave, rcqn, RES_CQ, &rcq);
2947 if (err)
2948 goto ex_put_mtt;
2949
2950 if (scqn != rcqn) {
2951 err = get_res(dev, slave, scqn, RES_CQ, &scq);
2952 if (err)
2953 goto ex_put_rcq;
2954 } else
2955 scq = rcq;
2956
2957 if (use_srq) {
2958 err = get_res(dev, slave, srqn, RES_SRQ, &srq);
2959 if (err)
2960 goto ex_put_scq;
2961 }
2962
2963 adjust_proxy_tun_qkey(dev, vhcr, qpc);
2964 update_pkey_index(dev, slave, inbox);
2965 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
2966 if (err)
2967 goto ex_put_srq;
2968 atomic_inc(&mtt->ref_count);
2969 qp->mtt = mtt;
2970 atomic_inc(&rcq->ref_count);
2971 qp->rcq = rcq;
2972 atomic_inc(&scq->ref_count);
2973 qp->scq = scq;
2974
2975 if (scqn != rcqn)
2976 put_res(dev, slave, scqn, RES_CQ);
2977
2978 if (use_srq) {
2979 atomic_inc(&srq->ref_count);
2980 put_res(dev, slave, srqn, RES_SRQ);
2981 qp->srq = srq;
2982 }
2983 put_res(dev, slave, rcqn, RES_CQ);
2984 put_res(dev, slave, mtt_base, RES_MTT);
2985 res_end_move(dev, slave, RES_QP, qpn);
2986
2987 return 0;
2988
2989ex_put_srq:
2990 if (use_srq)
2991 put_res(dev, slave, srqn, RES_SRQ);
2992ex_put_scq:
2993 if (scqn != rcqn)
2994 put_res(dev, slave, scqn, RES_CQ);
2995ex_put_rcq:
2996 put_res(dev, slave, rcqn, RES_CQ);
2997ex_put_mtt:
2998 put_res(dev, slave, mtt_base, RES_MTT);
2999ex_abort:
3000 res_abort_move(dev, slave, RES_QP, qpn);
3001
3002 return err;
3003}
3004
3005static int eq_get_mtt_addr(struct mlx4_eq_context *eqc)
3006{
3007 return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8;
3008}
3009
3010static int eq_get_mtt_size(struct mlx4_eq_context *eqc)
3011{
3012 int log_eq_size = eqc->log_eq_size & 0x1f;
3013 int page_shift = (eqc->log_page_size & 0x3f) + 12;
3014
3015 if (log_eq_size + 5 < page_shift)
3016 return 1;
3017
3018 return 1 << (log_eq_size + 5 - page_shift);
3019}
3020
3021static int cq_get_mtt_addr(struct mlx4_cq_context *cqc)
3022{
3023 return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8;
3024}
3025
3026static int cq_get_mtt_size(struct mlx4_cq_context *cqc)
3027{
3028 int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f;
3029 int page_shift = (cqc->log_page_size & 0x3f) + 12;
3030
3031 if (log_cq_size + 5 < page_shift)
3032 return 1;
3033
3034 return 1 << (log_cq_size + 5 - page_shift);
3035}
3036
3037int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
3038 struct mlx4_vhcr *vhcr,
3039 struct mlx4_cmd_mailbox *inbox,
3040 struct mlx4_cmd_mailbox *outbox,
3041 struct mlx4_cmd_info *cmd)
3042{
3043 int err;
3044 int eqn = vhcr->in_modifier;
3045 int res_id = (slave << 10) | eqn;
3046 struct mlx4_eq_context *eqc = inbox->buf;
3047 int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz;
3048 int mtt_size = eq_get_mtt_size(eqc);
3049 struct res_eq *eq;
3050 struct res_mtt *mtt;
3051
3052 err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0);
3053 if (err)
3054 return err;
3055 err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq);
3056 if (err)
3057 goto out_add;
3058
3059 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
3060 if (err)
3061 goto out_move;
3062
3063 err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt);
3064 if (err)
3065 goto out_put;
3066
3067 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3068 if (err)
3069 goto out_put;
3070
3071 atomic_inc(&mtt->ref_count);
3072 eq->mtt = mtt;
3073 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3074 res_end_move(dev, slave, RES_EQ, res_id);
3075 return 0;
3076
3077out_put:
3078 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3079out_move:
3080 res_abort_move(dev, slave, RES_EQ, res_id);
3081out_add:
3082 rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
3083 return err;
3084}
3085
3086int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
3087 struct mlx4_vhcr *vhcr,
3088 struct mlx4_cmd_mailbox *inbox,
3089 struct mlx4_cmd_mailbox *outbox,
3090 struct mlx4_cmd_info *cmd)
3091{
3092 int err;
3093 u8 get = vhcr->op_modifier;
3094
3095 if (get != 1)
3096 return -EPERM;
3097
3098 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3099
3100 return err;
3101}
3102
3103static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start,
3104 int len, struct res_mtt **res)
3105{
3106 struct mlx4_priv *priv = mlx4_priv(dev);
3107 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
3108 struct res_mtt *mtt;
3109 int err = -EINVAL;
3110
3111 spin_lock_irq(mlx4_tlock(dev));
3112 list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT],
3113 com.list) {
3114 if (!check_mtt_range(dev, slave, start, len, mtt)) {
3115 *res = mtt;
3116 mtt->com.from_state = mtt->com.state;
3117 mtt->com.state = RES_MTT_BUSY;
3118 err = 0;
3119 break;
3120 }
3121 }
3122 spin_unlock_irq(mlx4_tlock(dev));
3123
3124 return err;
3125}
3126
3127static int verify_qp_parameters(struct mlx4_dev *dev,
3128 struct mlx4_vhcr *vhcr,
3129 struct mlx4_cmd_mailbox *inbox,
3130 enum qp_transition transition, u8 slave)
3131{
3132 u32 qp_type;
3133 u32 qpn;
3134 struct mlx4_qp_context *qp_ctx;
3135 enum mlx4_qp_optpar optpar;
3136 int port;
3137 int num_gids;
3138
3139 qp_ctx = inbox->buf + 8;
3140 qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff;
3141 optpar = be32_to_cpu(*(__be32 *) inbox->buf);
3142
3143 if (slave != mlx4_master_func_num(dev)) {
3144 qp_ctx->params2 &= ~MLX4_QP_BIT_FPP;
3145
3146 if (qp_ctx->rate_limit_params)
3147 return -EPERM;
3148 }
3149
3150 switch (qp_type) {
3151 case MLX4_QP_ST_RC:
3152 case MLX4_QP_ST_XRC:
3153 case MLX4_QP_ST_UC:
3154 switch (transition) {
3155 case QP_TRANS_INIT2RTR:
3156 case QP_TRANS_RTR2RTS:
3157 case QP_TRANS_RTS2RTS:
3158 case QP_TRANS_SQD2SQD:
3159 case QP_TRANS_SQD2RTS:
3160 if (slave != mlx4_master_func_num(dev)) {
3161 if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) {
3162 port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
3163 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB)
3164 num_gids = mlx4_get_slave_num_gids(dev, slave, port);
3165 else
3166 num_gids = 1;
3167 if (qp_ctx->pri_path.mgid_index >= num_gids)
3168 return -EINVAL;
3169 }
3170 if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
3171 port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1;
3172 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB)
3173 num_gids = mlx4_get_slave_num_gids(dev, slave, port);
3174 else
3175 num_gids = 1;
3176 if (qp_ctx->alt_path.mgid_index >= num_gids)
3177 return -EINVAL;
3178 }
3179 }
3180 break;
3181 default:
3182 break;
3183 }
3184 break;
3185
3186 case MLX4_QP_ST_MLX:
3187 qpn = vhcr->in_modifier & 0x7fffff;
3188 port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
3189 if (transition == QP_TRANS_INIT2RTR &&
3190 slave != mlx4_master_func_num(dev) &&
3191 mlx4_is_qp_reserved(dev, qpn) &&
3192 !mlx4_vf_smi_enabled(dev, slave, port)) {
3193
3194 mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n",
3195 __func__, slave, port);
3196 return -EPERM;
3197 }
3198 break;
3199
3200 default:
3201 break;
3202 }
3203
3204 return 0;
3205}
3206
3207int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
3208 struct mlx4_vhcr *vhcr,
3209 struct mlx4_cmd_mailbox *inbox,
3210 struct mlx4_cmd_mailbox *outbox,
3211 struct mlx4_cmd_info *cmd)
3212{
3213 struct mlx4_mtt mtt;
3214 __be64 *page_list = inbox->buf;
3215 u64 *pg_list = (u64 *)page_list;
3216 int i;
3217 struct res_mtt *rmtt = NULL;
3218 int start = be64_to_cpu(page_list[0]);
3219 int npages = vhcr->in_modifier;
3220 int err;
3221
3222 err = get_containing_mtt(dev, slave, start, npages, &rmtt);
3223 if (err)
3224 return err;
3225
3226
3227
3228
3229 mtt.offset = 0;
3230
3231 mtt.order = 0;
3232 mtt.page_shift = 0;
3233 for (i = 0; i < npages; ++i)
3234 pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL);
3235
3236 err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages,
3237 ((u64 *)page_list + 2));
3238
3239 if (rmtt)
3240 put_res(dev, slave, rmtt->com.res_id, RES_MTT);
3241
3242 return err;
3243}
3244
3245int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
3246 struct mlx4_vhcr *vhcr,
3247 struct mlx4_cmd_mailbox *inbox,
3248 struct mlx4_cmd_mailbox *outbox,
3249 struct mlx4_cmd_info *cmd)
3250{
3251 int eqn = vhcr->in_modifier;
3252 int res_id = eqn | (slave << 10);
3253 struct res_eq *eq;
3254 int err;
3255
3256 err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq);
3257 if (err)
3258 return err;
3259
3260 err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL);
3261 if (err)
3262 goto ex_abort;
3263
3264 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3265 if (err)
3266 goto ex_put;
3267
3268 atomic_dec(&eq->mtt->ref_count);
3269 put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
3270 res_end_move(dev, slave, RES_EQ, res_id);
3271 rem_res_range(dev, slave, res_id, 1, RES_EQ, 0);
3272
3273 return 0;
3274
3275ex_put:
3276 put_res(dev, slave, eq->mtt->com.res_id, RES_MTT);
3277ex_abort:
3278 res_abort_move(dev, slave, RES_EQ, res_id);
3279
3280 return err;
3281}
3282
3283int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe)
3284{
3285 struct mlx4_priv *priv = mlx4_priv(dev);
3286 struct mlx4_slave_event_eq_info *event_eq;
3287 struct mlx4_cmd_mailbox *mailbox;
3288 u32 in_modifier = 0;
3289 int err;
3290 int res_id;
3291 struct res_eq *req;
3292
3293 if (!priv->mfunc.master.slave_state)
3294 return -EINVAL;
3295
3296
3297 if (slave < 0 || slave > dev->persist->num_vfs ||
3298 slave == dev->caps.function ||
3299 !priv->mfunc.master.slave_state[slave].active)
3300 return 0;
3301
3302 event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type];
3303
3304
3305 if (event_eq->eqn < 0)
3306 return 0;
3307
3308 mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]);
3309 res_id = (slave << 10) | event_eq->eqn;
3310 err = get_res(dev, slave, res_id, RES_EQ, &req);
3311 if (err)
3312 goto unlock;
3313
3314 if (req->com.from_state != RES_EQ_HW) {
3315 err = -EINVAL;
3316 goto put;
3317 }
3318
3319 mailbox = mlx4_alloc_cmd_mailbox(dev);
3320 if (IS_ERR(mailbox)) {
3321 err = PTR_ERR(mailbox);
3322 goto put;
3323 }
3324
3325 if (eqe->type == MLX4_EVENT_TYPE_CMD) {
3326 ++event_eq->token;
3327 eqe->event.cmd.token = cpu_to_be16(event_eq->token);
3328 }
3329
3330 memcpy(mailbox->buf, (u8 *) eqe, 28);
3331
3332 in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16);
3333
3334 err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0,
3335 MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B,
3336 MLX4_CMD_NATIVE);
3337
3338 put_res(dev, slave, res_id, RES_EQ);
3339 mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
3340 mlx4_free_cmd_mailbox(dev, mailbox);
3341 return err;
3342
3343put:
3344 put_res(dev, slave, res_id, RES_EQ);
3345
3346unlock:
3347 mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]);
3348 return err;
3349}
3350
3351int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
3352 struct mlx4_vhcr *vhcr,
3353 struct mlx4_cmd_mailbox *inbox,
3354 struct mlx4_cmd_mailbox *outbox,
3355 struct mlx4_cmd_info *cmd)
3356{
3357 int eqn = vhcr->in_modifier;
3358 int res_id = eqn | (slave << 10);
3359 struct res_eq *eq;
3360 int err;
3361
3362 err = get_res(dev, slave, res_id, RES_EQ, &eq);
3363 if (err)
3364 return err;
3365
3366 if (eq->com.from_state != RES_EQ_HW) {
3367 err = -EINVAL;
3368 goto ex_put;
3369 }
3370
3371 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3372
3373ex_put:
3374 put_res(dev, slave, res_id, RES_EQ);
3375 return err;
3376}
3377
3378int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
3379 struct mlx4_vhcr *vhcr,
3380 struct mlx4_cmd_mailbox *inbox,
3381 struct mlx4_cmd_mailbox *outbox,
3382 struct mlx4_cmd_info *cmd)
3383{
3384 int err;
3385 int cqn = vhcr->in_modifier;
3386 struct mlx4_cq_context *cqc = inbox->buf;
3387 int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
3388 struct res_cq *cq = NULL;
3389 struct res_mtt *mtt;
3390
3391 err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq);
3392 if (err)
3393 return err;
3394 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
3395 if (err)
3396 goto out_move;
3397 err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
3398 if (err)
3399 goto out_put;
3400 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3401 if (err)
3402 goto out_put;
3403 atomic_inc(&mtt->ref_count);
3404 cq->mtt = mtt;
3405 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3406 res_end_move(dev, slave, RES_CQ, cqn);
3407 return 0;
3408
3409out_put:
3410 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3411out_move:
3412 res_abort_move(dev, slave, RES_CQ, cqn);
3413 return err;
3414}
3415
3416int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
3417 struct mlx4_vhcr *vhcr,
3418 struct mlx4_cmd_mailbox *inbox,
3419 struct mlx4_cmd_mailbox *outbox,
3420 struct mlx4_cmd_info *cmd)
3421{
3422 int err;
3423 int cqn = vhcr->in_modifier;
3424 struct res_cq *cq = NULL;
3425
3426 err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq);
3427 if (err)
3428 return err;
3429 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3430 if (err)
3431 goto out_move;
3432 atomic_dec(&cq->mtt->ref_count);
3433 res_end_move(dev, slave, RES_CQ, cqn);
3434 return 0;
3435
3436out_move:
3437 res_abort_move(dev, slave, RES_CQ, cqn);
3438 return err;
3439}
3440
3441int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
3442 struct mlx4_vhcr *vhcr,
3443 struct mlx4_cmd_mailbox *inbox,
3444 struct mlx4_cmd_mailbox *outbox,
3445 struct mlx4_cmd_info *cmd)
3446{
3447 int cqn = vhcr->in_modifier;
3448 struct res_cq *cq;
3449 int err;
3450
3451 err = get_res(dev, slave, cqn, RES_CQ, &cq);
3452 if (err)
3453 return err;
3454
3455 if (cq->com.from_state != RES_CQ_HW)
3456 goto ex_put;
3457
3458 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3459ex_put:
3460 put_res(dev, slave, cqn, RES_CQ);
3461
3462 return err;
3463}
3464
3465static int handle_resize(struct mlx4_dev *dev, int slave,
3466 struct mlx4_vhcr *vhcr,
3467 struct mlx4_cmd_mailbox *inbox,
3468 struct mlx4_cmd_mailbox *outbox,
3469 struct mlx4_cmd_info *cmd,
3470 struct res_cq *cq)
3471{
3472 int err;
3473 struct res_mtt *orig_mtt;
3474 struct res_mtt *mtt;
3475 struct mlx4_cq_context *cqc = inbox->buf;
3476 int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz;
3477
3478 err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt);
3479 if (err)
3480 return err;
3481
3482 if (orig_mtt != cq->mtt) {
3483 err = -EINVAL;
3484 goto ex_put;
3485 }
3486
3487 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
3488 if (err)
3489 goto ex_put;
3490
3491 err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt);
3492 if (err)
3493 goto ex_put1;
3494 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3495 if (err)
3496 goto ex_put1;
3497 atomic_dec(&orig_mtt->ref_count);
3498 put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
3499 atomic_inc(&mtt->ref_count);
3500 cq->mtt = mtt;
3501 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3502 return 0;
3503
3504ex_put1:
3505 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3506ex_put:
3507 put_res(dev, slave, orig_mtt->com.res_id, RES_MTT);
3508
3509 return err;
3510
3511}
3512
3513int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
3514 struct mlx4_vhcr *vhcr,
3515 struct mlx4_cmd_mailbox *inbox,
3516 struct mlx4_cmd_mailbox *outbox,
3517 struct mlx4_cmd_info *cmd)
3518{
3519 int cqn = vhcr->in_modifier;
3520 struct res_cq *cq;
3521 int err;
3522
3523 err = get_res(dev, slave, cqn, RES_CQ, &cq);
3524 if (err)
3525 return err;
3526
3527 if (cq->com.from_state != RES_CQ_HW)
3528 goto ex_put;
3529
3530 if (vhcr->op_modifier == 0) {
3531 err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq);
3532 goto ex_put;
3533 }
3534
3535 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3536ex_put:
3537 put_res(dev, slave, cqn, RES_CQ);
3538
3539 return err;
3540}
3541
3542static int srq_get_mtt_size(struct mlx4_srq_context *srqc)
3543{
3544 int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf;
3545 int log_rq_stride = srqc->logstride & 7;
3546 int page_shift = (srqc->log_page_size & 0x3f) + 12;
3547
3548 if (log_srq_size + log_rq_stride + 4 < page_shift)
3549 return 1;
3550
3551 return 1 << (log_srq_size + log_rq_stride + 4 - page_shift);
3552}
3553
3554int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
3555 struct mlx4_vhcr *vhcr,
3556 struct mlx4_cmd_mailbox *inbox,
3557 struct mlx4_cmd_mailbox *outbox,
3558 struct mlx4_cmd_info *cmd)
3559{
3560 int err;
3561 int srqn = vhcr->in_modifier;
3562 struct res_mtt *mtt;
3563 struct res_srq *srq = NULL;
3564 struct mlx4_srq_context *srqc = inbox->buf;
3565 int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz;
3566
3567 if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff))
3568 return -EINVAL;
3569
3570 err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq);
3571 if (err)
3572 return err;
3573 err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
3574 if (err)
3575 goto ex_abort;
3576 err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc),
3577 mtt);
3578 if (err)
3579 goto ex_put_mtt;
3580
3581 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3582 if (err)
3583 goto ex_put_mtt;
3584
3585 atomic_inc(&mtt->ref_count);
3586 srq->mtt = mtt;
3587 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3588 res_end_move(dev, slave, RES_SRQ, srqn);
3589 return 0;
3590
3591ex_put_mtt:
3592 put_res(dev, slave, mtt->com.res_id, RES_MTT);
3593ex_abort:
3594 res_abort_move(dev, slave, RES_SRQ, srqn);
3595
3596 return err;
3597}
3598
3599int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
3600 struct mlx4_vhcr *vhcr,
3601 struct mlx4_cmd_mailbox *inbox,
3602 struct mlx4_cmd_mailbox *outbox,
3603 struct mlx4_cmd_info *cmd)
3604{
3605 int err;
3606 int srqn = vhcr->in_modifier;
3607 struct res_srq *srq = NULL;
3608
3609 err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq);
3610 if (err)
3611 return err;
3612 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3613 if (err)
3614 goto ex_abort;
3615 atomic_dec(&srq->mtt->ref_count);
3616 if (srq->cq)
3617 atomic_dec(&srq->cq->ref_count);
3618 res_end_move(dev, slave, RES_SRQ, srqn);
3619
3620 return 0;
3621
3622ex_abort:
3623 res_abort_move(dev, slave, RES_SRQ, srqn);
3624
3625 return err;
3626}
3627
3628int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
3629 struct mlx4_vhcr *vhcr,
3630 struct mlx4_cmd_mailbox *inbox,
3631 struct mlx4_cmd_mailbox *outbox,
3632 struct mlx4_cmd_info *cmd)
3633{
3634 int err;
3635 int srqn = vhcr->in_modifier;
3636 struct res_srq *srq;
3637
3638 err = get_res(dev, slave, srqn, RES_SRQ, &srq);
3639 if (err)
3640 return err;
3641 if (srq->com.from_state != RES_SRQ_HW) {
3642 err = -EBUSY;
3643 goto out;
3644 }
3645 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3646out:
3647 put_res(dev, slave, srqn, RES_SRQ);
3648 return err;
3649}
3650
3651int mlx4_ARM_SRQ_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 int srqn = vhcr->in_modifier;
3659 struct res_srq *srq;
3660
3661 err = get_res(dev, slave, srqn, RES_SRQ, &srq);
3662 if (err)
3663 return err;
3664
3665 if (srq->com.from_state != RES_SRQ_HW) {
3666 err = -EBUSY;
3667 goto out;
3668 }
3669
3670 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3671out:
3672 put_res(dev, slave, srqn, RES_SRQ);
3673 return err;
3674}
3675
3676int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
3677 struct mlx4_vhcr *vhcr,
3678 struct mlx4_cmd_mailbox *inbox,
3679 struct mlx4_cmd_mailbox *outbox,
3680 struct mlx4_cmd_info *cmd)
3681{
3682 int err;
3683 int qpn = vhcr->in_modifier & 0x7fffff;
3684 struct res_qp *qp;
3685
3686 err = get_res(dev, slave, qpn, RES_QP, &qp);
3687 if (err)
3688 return err;
3689 if (qp->com.from_state != RES_QP_HW) {
3690 err = -EBUSY;
3691 goto out;
3692 }
3693
3694 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3695out:
3696 put_res(dev, slave, qpn, RES_QP);
3697 return err;
3698}
3699
3700int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
3701 struct mlx4_vhcr *vhcr,
3702 struct mlx4_cmd_mailbox *inbox,
3703 struct mlx4_cmd_mailbox *outbox,
3704 struct mlx4_cmd_info *cmd)
3705{
3706 struct mlx4_qp_context *context = inbox->buf + 8;
3707 adjust_proxy_tun_qkey(dev, vhcr, context);
3708 update_pkey_index(dev, slave, inbox);
3709 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3710}
3711
3712static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave,
3713 struct mlx4_qp_context *qpc,
3714 struct mlx4_cmd_mailbox *inbox)
3715{
3716 enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf);
3717 u8 pri_sched_queue;
3718 int port = mlx4_slave_convert_port(
3719 dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1;
3720
3721 if (port < 0)
3722 return -EINVAL;
3723
3724 pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) |
3725 ((port & 1) << 6);
3726
3727 if (optpar & (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE) ||
3728 qpc->pri_path.sched_queue || mlx4_is_eth(dev, port + 1)) {
3729 qpc->pri_path.sched_queue = pri_sched_queue;
3730 }
3731
3732 if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
3733 port = mlx4_slave_convert_port(
3734 dev, slave, (qpc->alt_path.sched_queue >> 6 & 1)
3735 + 1) - 1;
3736 if (port < 0)
3737 return -EINVAL;
3738 qpc->alt_path.sched_queue =
3739 (qpc->alt_path.sched_queue & ~(1 << 6)) |
3740 (port & 1) << 6;
3741 }
3742 return 0;
3743}
3744
3745static int roce_verify_mac(struct mlx4_dev *dev, int slave,
3746 struct mlx4_qp_context *qpc,
3747 struct mlx4_cmd_mailbox *inbox)
3748{
3749 u64 mac;
3750 int port;
3751 u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
3752 u8 sched = *(u8 *)(inbox->buf + 64);
3753 u8 smac_ix;
3754
3755 port = (sched >> 6 & 1) + 1;
3756 if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) {
3757 smac_ix = qpc->pri_path.grh_mylmc & 0x7f;
3758 if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac))
3759 return -ENOENT;
3760 }
3761 return 0;
3762}
3763
3764int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
3765 struct mlx4_vhcr *vhcr,
3766 struct mlx4_cmd_mailbox *inbox,
3767 struct mlx4_cmd_mailbox *outbox,
3768 struct mlx4_cmd_info *cmd)
3769{
3770 int err;
3771 struct mlx4_qp_context *qpc = inbox->buf + 8;
3772 int qpn = vhcr->in_modifier & 0x7fffff;
3773 struct res_qp *qp;
3774 u8 orig_sched_queue;
3775 __be32 orig_param3 = qpc->param3;
3776 u8 orig_vlan_control = qpc->pri_path.vlan_control;
3777 u8 orig_fvl_rx = qpc->pri_path.fvl_rx;
3778 u8 orig_pri_path_fl = qpc->pri_path.fl;
3779 u8 orig_vlan_index = qpc->pri_path.vlan_index;
3780 u8 orig_feup = qpc->pri_path.feup;
3781
3782 err = adjust_qp_sched_queue(dev, slave, qpc, inbox);
3783 if (err)
3784 return err;
3785 err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave);
3786 if (err)
3787 return err;
3788
3789 if (roce_verify_mac(dev, slave, qpc, inbox))
3790 return -EINVAL;
3791
3792 update_pkey_index(dev, slave, inbox);
3793 update_gid(dev, inbox, (u8)slave);
3794 adjust_proxy_tun_qkey(dev, vhcr, qpc);
3795 orig_sched_queue = qpc->pri_path.sched_queue;
3796
3797 err = get_res(dev, slave, qpn, RES_QP, &qp);
3798 if (err)
3799 return err;
3800 if (qp->com.from_state != RES_QP_HW) {
3801 err = -EBUSY;
3802 goto out;
3803 }
3804
3805 err = update_vport_qp_param(dev, inbox, slave, qpn);
3806 if (err)
3807 goto out;
3808
3809 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3810out:
3811
3812
3813
3814
3815 if (!err) {
3816 qp->sched_queue = orig_sched_queue;
3817 qp->param3 = orig_param3;
3818 qp->vlan_control = orig_vlan_control;
3819 qp->fvl_rx = orig_fvl_rx;
3820 qp->pri_path_fl = orig_pri_path_fl;
3821 qp->vlan_index = orig_vlan_index;
3822 qp->feup = orig_feup;
3823 }
3824 put_res(dev, slave, qpn, RES_QP);
3825 return err;
3826}
3827
3828int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
3829 struct mlx4_vhcr *vhcr,
3830 struct mlx4_cmd_mailbox *inbox,
3831 struct mlx4_cmd_mailbox *outbox,
3832 struct mlx4_cmd_info *cmd)
3833{
3834 int err;
3835 struct mlx4_qp_context *context = inbox->buf + 8;
3836
3837 err = adjust_qp_sched_queue(dev, slave, context, inbox);
3838 if (err)
3839 return err;
3840 err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave);
3841 if (err)
3842 return err;
3843
3844 update_pkey_index(dev, slave, inbox);
3845 update_gid(dev, inbox, (u8)slave);
3846 adjust_proxy_tun_qkey(dev, vhcr, context);
3847 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3848}
3849
3850int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
3851 struct mlx4_vhcr *vhcr,
3852 struct mlx4_cmd_mailbox *inbox,
3853 struct mlx4_cmd_mailbox *outbox,
3854 struct mlx4_cmd_info *cmd)
3855{
3856 int err;
3857 struct mlx4_qp_context *context = inbox->buf + 8;
3858
3859 err = adjust_qp_sched_queue(dev, slave, context, inbox);
3860 if (err)
3861 return err;
3862 err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave);
3863 if (err)
3864 return err;
3865
3866 update_pkey_index(dev, slave, inbox);
3867 update_gid(dev, inbox, (u8)slave);
3868 adjust_proxy_tun_qkey(dev, vhcr, context);
3869 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3870}
3871
3872
3873int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
3874 struct mlx4_vhcr *vhcr,
3875 struct mlx4_cmd_mailbox *inbox,
3876 struct mlx4_cmd_mailbox *outbox,
3877 struct mlx4_cmd_info *cmd)
3878{
3879 struct mlx4_qp_context *context = inbox->buf + 8;
3880 int err = adjust_qp_sched_queue(dev, slave, context, inbox);
3881 if (err)
3882 return err;
3883 adjust_proxy_tun_qkey(dev, vhcr, context);
3884 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3885}
3886
3887int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
3888 struct mlx4_vhcr *vhcr,
3889 struct mlx4_cmd_mailbox *inbox,
3890 struct mlx4_cmd_mailbox *outbox,
3891 struct mlx4_cmd_info *cmd)
3892{
3893 int err;
3894 struct mlx4_qp_context *context = inbox->buf + 8;
3895
3896 err = adjust_qp_sched_queue(dev, slave, context, inbox);
3897 if (err)
3898 return err;
3899 err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave);
3900 if (err)
3901 return err;
3902
3903 adjust_proxy_tun_qkey(dev, vhcr, context);
3904 update_gid(dev, inbox, (u8)slave);
3905 update_pkey_index(dev, slave, inbox);
3906 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3907}
3908
3909int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
3910 struct mlx4_vhcr *vhcr,
3911 struct mlx4_cmd_mailbox *inbox,
3912 struct mlx4_cmd_mailbox *outbox,
3913 struct mlx4_cmd_info *cmd)
3914{
3915 int err;
3916 struct mlx4_qp_context *context = inbox->buf + 8;
3917
3918 err = adjust_qp_sched_queue(dev, slave, context, inbox);
3919 if (err)
3920 return err;
3921 err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave);
3922 if (err)
3923 return err;
3924
3925 adjust_proxy_tun_qkey(dev, vhcr, context);
3926 update_gid(dev, inbox, (u8)slave);
3927 update_pkey_index(dev, slave, inbox);
3928 return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3929}
3930
3931int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
3932 struct mlx4_vhcr *vhcr,
3933 struct mlx4_cmd_mailbox *inbox,
3934 struct mlx4_cmd_mailbox *outbox,
3935 struct mlx4_cmd_info *cmd)
3936{
3937 int err;
3938 int qpn = vhcr->in_modifier & 0x7fffff;
3939 struct res_qp *qp;
3940
3941 err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0);
3942 if (err)
3943 return err;
3944 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
3945 if (err)
3946 goto ex_abort;
3947
3948 atomic_dec(&qp->mtt->ref_count);
3949 atomic_dec(&qp->rcq->ref_count);
3950 atomic_dec(&qp->scq->ref_count);
3951 if (qp->srq)
3952 atomic_dec(&qp->srq->ref_count);
3953 res_end_move(dev, slave, RES_QP, qpn);
3954 return 0;
3955
3956ex_abort:
3957 res_abort_move(dev, slave, RES_QP, qpn);
3958
3959 return err;
3960}
3961
3962static struct res_gid *find_gid(struct mlx4_dev *dev, int slave,
3963 struct res_qp *rqp, u8 *gid)
3964{
3965 struct res_gid *res;
3966
3967 list_for_each_entry(res, &rqp->mcg_list, list) {
3968 if (!memcmp(res->gid, gid, 16))
3969 return res;
3970 }
3971 return NULL;
3972}
3973
3974static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
3975 u8 *gid, enum mlx4_protocol prot,
3976 enum mlx4_steer_type steer, u64 reg_id)
3977{
3978 struct res_gid *res;
3979 int err;
3980
3981 res = kzalloc(sizeof *res, GFP_KERNEL);
3982 if (!res)
3983 return -ENOMEM;
3984
3985 spin_lock_irq(&rqp->mcg_spl);
3986 if (find_gid(dev, slave, rqp, gid)) {
3987 kfree(res);
3988 err = -EEXIST;
3989 } else {
3990 memcpy(res->gid, gid, 16);
3991 res->prot = prot;
3992 res->steer = steer;
3993 res->reg_id = reg_id;
3994 list_add_tail(&res->list, &rqp->mcg_list);
3995 err = 0;
3996 }
3997 spin_unlock_irq(&rqp->mcg_spl);
3998
3999 return err;
4000}
4001
4002static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp,
4003 u8 *gid, enum mlx4_protocol prot,
4004 enum mlx4_steer_type steer, u64 *reg_id)
4005{
4006 struct res_gid *res;
4007 int err;
4008
4009 spin_lock_irq(&rqp->mcg_spl);
4010 res = find_gid(dev, slave, rqp, gid);
4011 if (!res || res->prot != prot || res->steer != steer)
4012 err = -EINVAL;
4013 else {
4014 *reg_id = res->reg_id;
4015 list_del(&res->list);
4016 kfree(res);
4017 err = 0;
4018 }
4019 spin_unlock_irq(&rqp->mcg_spl);
4020
4021 return err;
4022}
4023
4024static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp,
4025 u8 gid[16], int block_loopback, enum mlx4_protocol prot,
4026 enum mlx4_steer_type type, u64 *reg_id)
4027{
4028 switch (dev->caps.steering_mode) {
4029 case MLX4_STEERING_MODE_DEVICE_MANAGED: {
4030 int port = mlx4_slave_convert_port(dev, slave, gid[5]);
4031 if (port < 0)
4032 return port;
4033 return mlx4_trans_to_dmfs_attach(dev, qp, gid, port,
4034 block_loopback, prot,
4035 reg_id);
4036 }
4037 case MLX4_STEERING_MODE_B0:
4038 if (prot == MLX4_PROT_ETH) {
4039 int port = mlx4_slave_convert_port(dev, slave, gid[5]);
4040 if (port < 0)
4041 return port;
4042 gid[5] = port;
4043 }
4044 return mlx4_qp_attach_common(dev, qp, gid,
4045 block_loopback, prot, type);
4046 default:
4047 return -EINVAL;
4048 }
4049}
4050
4051static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp,
4052 u8 gid[16], enum mlx4_protocol prot,
4053 enum mlx4_steer_type type, u64 reg_id)
4054{
4055 switch (dev->caps.steering_mode) {
4056 case MLX4_STEERING_MODE_DEVICE_MANAGED:
4057 return mlx4_flow_detach(dev, reg_id);
4058 case MLX4_STEERING_MODE_B0:
4059 return mlx4_qp_detach_common(dev, qp, gid, prot, type);
4060 default:
4061 return -EINVAL;
4062 }
4063}
4064
4065static int mlx4_adjust_port(struct mlx4_dev *dev, int slave,
4066 u8 *gid, enum mlx4_protocol prot)
4067{
4068 int real_port;
4069
4070 if (prot != MLX4_PROT_ETH)
4071 return 0;
4072
4073 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 ||
4074 dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
4075 real_port = mlx4_slave_convert_port(dev, slave, gid[5]);
4076 if (real_port < 0)
4077 return -EINVAL;
4078 gid[5] = real_port;
4079 }
4080
4081 return 0;
4082}
4083
4084int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
4085 struct mlx4_vhcr *vhcr,
4086 struct mlx4_cmd_mailbox *inbox,
4087 struct mlx4_cmd_mailbox *outbox,
4088 struct mlx4_cmd_info *cmd)
4089{
4090 struct mlx4_qp qp;
4091 u8 *gid = inbox->buf;
4092 enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7;
4093 int err;
4094 int qpn;
4095 struct res_qp *rqp;
4096 u64 reg_id = 0;
4097 int attach = vhcr->op_modifier;
4098 int block_loopback = vhcr->in_modifier >> 31;
4099 u8 steer_type_mask = 2;
4100 enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1;
4101
4102 qpn = vhcr->in_modifier & 0xffffff;
4103 err = get_res(dev, slave, qpn, RES_QP, &rqp);
4104 if (err)
4105 return err;
4106
4107 qp.qpn = qpn;
4108 if (attach) {
4109 err = qp_attach(dev, slave, &qp, gid, block_loopback, prot,
4110 type, ®_id);
4111 if (err) {
4112 pr_err("Fail to attach rule to qp 0x%x\n", qpn);
4113 goto ex_put;
4114 }
4115 err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id);
4116 if (err)
4117 goto ex_detach;
4118 } else {
4119 err = mlx4_adjust_port(dev, slave, gid, prot);
4120 if (err)
4121 goto ex_put;
4122
4123 err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id);
4124 if (err)
4125 goto ex_put;
4126
4127 err = qp_detach(dev, &qp, gid, prot, type, reg_id);
4128 if (err)
4129 pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n",
4130 qpn, reg_id);
4131 }
4132 put_res(dev, slave, qpn, RES_QP);
4133 return err;
4134
4135ex_detach:
4136 qp_detach(dev, &qp, gid, prot, type, reg_id);
4137ex_put:
4138 put_res(dev, slave, qpn, RES_QP);
4139 return err;
4140}
4141
4142
4143
4144
4145
4146static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header,
4147 struct list_head *rlist)
4148{
4149 struct mac_res *res, *tmp;
4150 __be64 be_mac;
4151
4152
4153 if (!is_multicast_ether_addr(eth_header->eth.dst_mac) &&
4154 !is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
4155 list_for_each_entry_safe(res, tmp, rlist, list) {
4156 be_mac = cpu_to_be64(res->mac << 16);
4157 if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac))
4158 return 0;
4159 }
4160 pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n",
4161 eth_header->eth.dst_mac, slave);
4162 return -EINVAL;
4163 }
4164 return 0;
4165}
4166
4167static void handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl,
4168 struct _rule_hw *eth_header)
4169{
4170 if (is_multicast_ether_addr(eth_header->eth.dst_mac) ||
4171 is_broadcast_ether_addr(eth_header->eth.dst_mac)) {
4172 struct mlx4_net_trans_rule_hw_eth *eth =
4173 (struct mlx4_net_trans_rule_hw_eth *)eth_header;
4174 struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1);
4175 bool last_rule = next_rule->size == 0 && next_rule->id == 0 &&
4176 next_rule->rsvd == 0;
4177
4178 if (last_rule)
4179 ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC);
4180 }
4181}
4182
4183
4184
4185
4186
4187static int add_eth_header(struct mlx4_dev *dev, int slave,
4188 struct mlx4_cmd_mailbox *inbox,
4189 struct list_head *rlist, int header_id)
4190{
4191 struct mac_res *res, *tmp;
4192 u8 port;
4193 struct mlx4_net_trans_rule_hw_ctrl *ctrl;
4194 struct mlx4_net_trans_rule_hw_eth *eth_header;
4195 struct mlx4_net_trans_rule_hw_ipv4 *ip_header;
4196 struct mlx4_net_trans_rule_hw_tcp_udp *l4_header;
4197 __be64 be_mac = 0;
4198 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
4199
4200 ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
4201 port = ctrl->port;
4202 eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1);
4203
4204
4205 switch (header_id) {
4206 case MLX4_NET_TRANS_RULE_ID_IPV4:
4207 ip_header =
4208 (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1);
4209 memmove(ip_header, eth_header,
4210 sizeof(*ip_header) + sizeof(*l4_header));
4211 break;
4212 case MLX4_NET_TRANS_RULE_ID_TCP:
4213 case MLX4_NET_TRANS_RULE_ID_UDP:
4214 l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *)
4215 (eth_header + 1);
4216 memmove(l4_header, eth_header, sizeof(*l4_header));
4217 break;
4218 default:
4219 return -EINVAL;
4220 }
4221 list_for_each_entry_safe(res, tmp, rlist, list) {
4222 if (port == res->port) {
4223 be_mac = cpu_to_be64(res->mac << 16);
4224 break;
4225 }
4226 }
4227 if (!be_mac) {
4228 pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n",
4229 port);
4230 return -EINVAL;
4231 }
4232
4233 memset(eth_header, 0, sizeof(*eth_header));
4234 eth_header->size = sizeof(*eth_header) >> 2;
4235 eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]);
4236 memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN);
4237 memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN);
4238
4239 return 0;
4240
4241}
4242
4243#define MLX4_UPD_QP_PATH_MASK_SUPPORTED ( \
4244 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX |\
4245 1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)
4246int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
4247 struct mlx4_vhcr *vhcr,
4248 struct mlx4_cmd_mailbox *inbox,
4249 struct mlx4_cmd_mailbox *outbox,
4250 struct mlx4_cmd_info *cmd_info)
4251{
4252 int err;
4253 u32 qpn = vhcr->in_modifier & 0xffffff;
4254 struct res_qp *rqp;
4255 u64 mac;
4256 unsigned port;
4257 u64 pri_addr_path_mask;
4258 struct mlx4_update_qp_context *cmd;
4259 int smac_index;
4260
4261 cmd = (struct mlx4_update_qp_context *)inbox->buf;
4262
4263 pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
4264 if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
4265 (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
4266 return -EPERM;
4267
4268 if ((pri_addr_path_mask &
4269 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) &&
4270 !(dev->caps.flags2 &
4271 MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) {
4272 mlx4_warn(dev, "Src check LB for slave %d isn't supported\n",
4273 slave);
4274 return -ENOTSUPP;
4275 }
4276
4277
4278 err = get_res(dev, slave, qpn, RES_QP, &rqp);
4279 if (err) {
4280 mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
4281 return err;
4282 }
4283
4284 port = (rqp->sched_queue >> 6 & 1) + 1;
4285
4286 if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) {
4287 smac_index = cmd->qp_context.pri_path.grh_mylmc;
4288 err = mac_find_smac_ix_in_slave(dev, slave, port,
4289 smac_index, &mac);
4290
4291 if (err) {
4292 mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
4293 qpn, smac_index);
4294 goto err_mac;
4295 }
4296 }
4297
4298 err = mlx4_cmd(dev, inbox->dma,
4299 vhcr->in_modifier, 0,
4300 MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
4301 MLX4_CMD_NATIVE);
4302 if (err) {
4303 mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
4304 goto err_mac;
4305 }
4306
4307err_mac:
4308 put_res(dev, slave, qpn, RES_QP);
4309 return err;
4310}
4311
4312static u32 qp_attach_mbox_size(void *mbox)
4313{
4314 u32 size = sizeof(struct mlx4_net_trans_rule_hw_ctrl);
4315 struct _rule_hw *rule_header;
4316
4317 rule_header = (struct _rule_hw *)(mbox + size);
4318
4319 while (rule_header->size) {
4320 size += rule_header->size * sizeof(u32);
4321 rule_header += 1;
4322 }
4323 return size;
4324}
4325
4326static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule);
4327
4328int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
4329 struct mlx4_vhcr *vhcr,
4330 struct mlx4_cmd_mailbox *inbox,
4331 struct mlx4_cmd_mailbox *outbox,
4332 struct mlx4_cmd_info *cmd)
4333{
4334
4335 struct mlx4_priv *priv = mlx4_priv(dev);
4336 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
4337 struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC];
4338 int err;
4339 int qpn;
4340 struct res_qp *rqp;
4341 struct mlx4_net_trans_rule_hw_ctrl *ctrl;
4342 struct _rule_hw *rule_header;
4343 int header_id;
4344 struct res_fs_rule *rrule;
4345 u32 mbox_size;
4346
4347 if (dev->caps.steering_mode !=
4348 MLX4_STEERING_MODE_DEVICE_MANAGED)
4349 return -EOPNOTSUPP;
4350
4351 ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
4352 err = mlx4_slave_convert_port(dev, slave, ctrl->port);
4353 if (err <= 0)
4354 return -EINVAL;
4355 ctrl->port = err;
4356 qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
4357 err = get_res(dev, slave, qpn, RES_QP, &rqp);
4358 if (err) {
4359 pr_err("Steering rule with qpn 0x%x rejected\n", qpn);
4360 return err;
4361 }
4362 rule_header = (struct _rule_hw *)(ctrl + 1);
4363 header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id));
4364
4365 if (header_id == MLX4_NET_TRANS_RULE_ID_ETH)
4366 handle_eth_header_mcast_prio(ctrl, rule_header);
4367
4368 if (slave == dev->caps.function)
4369 goto execute;
4370
4371 switch (header_id) {
4372 case MLX4_NET_TRANS_RULE_ID_ETH:
4373 if (validate_eth_header_mac(slave, rule_header, rlist)) {
4374 err = -EINVAL;
4375 goto err_put_qp;
4376 }
4377 break;
4378 case MLX4_NET_TRANS_RULE_ID_IB:
4379 break;
4380 case MLX4_NET_TRANS_RULE_ID_IPV4:
4381 case MLX4_NET_TRANS_RULE_ID_TCP:
4382 case MLX4_NET_TRANS_RULE_ID_UDP:
4383 pr_warn("Can't attach FS rule without L2 headers, adding L2 header\n");
4384 if (add_eth_header(dev, slave, inbox, rlist, header_id)) {
4385 err = -EINVAL;
4386 goto err_put_qp;
4387 }
4388 vhcr->in_modifier +=
4389 sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2;
4390 break;
4391 default:
4392 pr_err("Corrupted mailbox\n");
4393 err = -EINVAL;
4394 goto err_put_qp;
4395 }
4396
4397execute:
4398 err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param,
4399 vhcr->in_modifier, 0,
4400 MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
4401 MLX4_CMD_NATIVE);
4402 if (err)
4403 goto err_put_qp;
4404
4405
4406 err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn);
4407 if (err) {
4408 mlx4_err(dev, "Fail to add flow steering resources\n");
4409 goto err_detach;
4410 }
4411
4412 err = get_res(dev, slave, vhcr->out_param, RES_FS_RULE, &rrule);
4413 if (err)
4414 goto err_detach;
4415
4416 mbox_size = qp_attach_mbox_size(inbox->buf);
4417 rrule->mirr_mbox = kmalloc(mbox_size, GFP_KERNEL);
4418 if (!rrule->mirr_mbox) {
4419 err = -ENOMEM;
4420 goto err_put_rule;
4421 }
4422 rrule->mirr_mbox_size = mbox_size;
4423 rrule->mirr_rule_id = 0;
4424 memcpy(rrule->mirr_mbox, inbox->buf, mbox_size);
4425
4426
4427 ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)rrule->mirr_mbox;
4428 if (ctrl->port == 1)
4429 ctrl->port = 2;
4430 else
4431 ctrl->port = 1;
4432
4433 if (mlx4_is_bonded(dev))
4434 mlx4_do_mirror_rule(dev, rrule);
4435
4436 atomic_inc(&rqp->ref_count);
4437
4438err_put_rule:
4439 put_res(dev, slave, vhcr->out_param, RES_FS_RULE);
4440err_detach:
4441
4442 if (err)
4443 mlx4_cmd(dev, vhcr->out_param, 0, 0,
4444 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
4445 MLX4_CMD_NATIVE);
4446err_put_qp:
4447 put_res(dev, slave, qpn, RES_QP);
4448 return err;
4449}
4450
4451static int mlx4_undo_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule)
4452{
4453 int err;
4454
4455 err = rem_res_range(dev, fs_rule->com.owner, fs_rule->com.res_id, 1, RES_FS_RULE, 0);
4456 if (err) {
4457 mlx4_err(dev, "Fail to remove flow steering resources\n");
4458 return err;
4459 }
4460
4461 mlx4_cmd(dev, fs_rule->com.res_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH,
4462 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
4463 return 0;
4464}
4465
4466int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
4467 struct mlx4_vhcr *vhcr,
4468 struct mlx4_cmd_mailbox *inbox,
4469 struct mlx4_cmd_mailbox *outbox,
4470 struct mlx4_cmd_info *cmd)
4471{
4472 int err;
4473 struct res_qp *rqp;
4474 struct res_fs_rule *rrule;
4475 u64 mirr_reg_id;
4476
4477 if (dev->caps.steering_mode !=
4478 MLX4_STEERING_MODE_DEVICE_MANAGED)
4479 return -EOPNOTSUPP;
4480
4481 err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule);
4482 if (err)
4483 return err;
4484
4485 if (!rrule->mirr_mbox) {
4486 mlx4_err(dev, "Mirror rules cannot be removed explicitly\n");
4487 put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
4488 return -EINVAL;
4489 }
4490 mirr_reg_id = rrule->mirr_rule_id;
4491 kfree(rrule->mirr_mbox);
4492
4493
4494 put_res(dev, slave, vhcr->in_param, RES_FS_RULE);
4495 err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp);
4496 if (err)
4497 return err;
4498
4499 if (mirr_reg_id && mlx4_is_bonded(dev)) {
4500 err = get_res(dev, slave, mirr_reg_id, RES_FS_RULE, &rrule);
4501 if (err) {
4502 mlx4_err(dev, "Fail to get resource of mirror rule\n");
4503 } else {
4504 put_res(dev, slave, mirr_reg_id, RES_FS_RULE);
4505 mlx4_undo_mirror_rule(dev, rrule);
4506 }
4507 }
4508 err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0);
4509 if (err) {
4510 mlx4_err(dev, "Fail to remove flow steering resources\n");
4511 goto out;
4512 }
4513
4514 err = mlx4_cmd(dev, vhcr->in_param, 0, 0,
4515 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
4516 MLX4_CMD_NATIVE);
4517 if (!err)
4518 atomic_dec(&rqp->ref_count);
4519out:
4520 put_res(dev, slave, rrule->qpn, RES_QP);
4521 return err;
4522}
4523
4524enum {
4525 BUSY_MAX_RETRIES = 10
4526};
4527
4528int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
4529 struct mlx4_vhcr *vhcr,
4530 struct mlx4_cmd_mailbox *inbox,
4531 struct mlx4_cmd_mailbox *outbox,
4532 struct mlx4_cmd_info *cmd)
4533{
4534 int err;
4535 int index = vhcr->in_modifier & 0xffff;
4536
4537 err = get_res(dev, slave, index, RES_COUNTER, NULL);
4538 if (err)
4539 return err;
4540
4541 err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
4542 put_res(dev, slave, index, RES_COUNTER);
4543 return err;
4544}
4545
4546static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp)
4547{
4548 struct res_gid *rgid;
4549 struct res_gid *tmp;
4550 struct mlx4_qp qp;
4551
4552 list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) {
4553 switch (dev->caps.steering_mode) {
4554 case MLX4_STEERING_MODE_DEVICE_MANAGED:
4555 mlx4_flow_detach(dev, rgid->reg_id);
4556 break;
4557 case MLX4_STEERING_MODE_B0:
4558 qp.qpn = rqp->local_qpn;
4559 (void) mlx4_qp_detach_common(dev, &qp, rgid->gid,
4560 rgid->prot, rgid->steer);
4561 break;
4562 }
4563 list_del(&rgid->list);
4564 kfree(rgid);
4565 }
4566}
4567
4568static int _move_all_busy(struct mlx4_dev *dev, int slave,
4569 enum mlx4_resource type, int print)
4570{
4571 struct mlx4_priv *priv = mlx4_priv(dev);
4572 struct mlx4_resource_tracker *tracker =
4573 &priv->mfunc.master.res_tracker;
4574 struct list_head *rlist = &tracker->slave_list[slave].res_list[type];
4575 struct res_common *r;
4576 struct res_common *tmp;
4577 int busy;
4578
4579 busy = 0;
4580 spin_lock_irq(mlx4_tlock(dev));
4581 list_for_each_entry_safe(r, tmp, rlist, list) {
4582 if (r->owner == slave) {
4583 if (!r->removing) {
4584 if (r->state == RES_ANY_BUSY) {
4585 if (print)
4586 mlx4_dbg(dev,
4587 "%s id 0x%llx is busy\n",
4588 resource_str(type),
4589 r->res_id);
4590 ++busy;
4591 } else {
4592 r->from_state = r->state;
4593 r->state = RES_ANY_BUSY;
4594 r->removing = 1;
4595 }
4596 }
4597 }
4598 }
4599 spin_unlock_irq(mlx4_tlock(dev));
4600
4601 return busy;
4602}
4603
4604static int move_all_busy(struct mlx4_dev *dev, int slave,
4605 enum mlx4_resource type)
4606{
4607 unsigned long begin;
4608 int busy;
4609
4610 begin = jiffies;
4611 do {
4612 busy = _move_all_busy(dev, slave, type, 0);
4613 if (time_after(jiffies, begin + 5 * HZ))
4614 break;
4615 if (busy)
4616 cond_resched();
4617 } while (busy);
4618
4619 if (busy)
4620 busy = _move_all_busy(dev, slave, type, 1);
4621
4622 return busy;
4623}
4624static void rem_slave_qps(struct mlx4_dev *dev, int slave)
4625{
4626 struct mlx4_priv *priv = mlx4_priv(dev);
4627 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
4628 struct list_head *qp_list =
4629 &tracker->slave_list[slave].res_list[RES_QP];
4630 struct res_qp *qp;
4631 struct res_qp *tmp;
4632 int state;
4633 u64 in_param;
4634 int qpn;
4635 int err;
4636
4637 err = move_all_busy(dev, slave, RES_QP);
4638 if (err)
4639 mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n",
4640 slave);
4641
4642 spin_lock_irq(mlx4_tlock(dev));
4643 list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
4644 spin_unlock_irq(mlx4_tlock(dev));
4645 if (qp->com.owner == slave) {
4646 qpn = qp->com.res_id;
4647 detach_qp(dev, slave, qp);
4648 state = qp->com.from_state;
4649 while (state != 0) {
4650 switch (state) {
4651 case RES_QP_RESERVED:
4652 spin_lock_irq(mlx4_tlock(dev));
4653 rb_erase(&qp->com.node,
4654 &tracker->res_tree[RES_QP]);
4655 list_del(&qp->com.list);
4656 spin_unlock_irq(mlx4_tlock(dev));
4657 if (!valid_reserved(dev, slave, qpn)) {
4658 __mlx4_qp_release_range(dev, qpn, 1);
4659 mlx4_release_resource(dev, slave,
4660 RES_QP, 1, 0);
4661 }
4662 kfree(qp);
4663 state = 0;
4664 break;
4665 case RES_QP_MAPPED:
4666 if (!valid_reserved(dev, slave, qpn))
4667 __mlx4_qp_free_icm(dev, qpn);
4668 state = RES_QP_RESERVED;
4669 break;
4670 case RES_QP_HW:
4671 in_param = slave;
4672 err = mlx4_cmd(dev, in_param,
4673 qp->local_qpn, 2,
4674 MLX4_CMD_2RST_QP,
4675 MLX4_CMD_TIME_CLASS_A,
4676 MLX4_CMD_NATIVE);
4677 if (err)
4678 mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n",
4679 slave, qp->local_qpn);
4680 atomic_dec(&qp->rcq->ref_count);
4681 atomic_dec(&qp->scq->ref_count);
4682 atomic_dec(&qp->mtt->ref_count);
4683 if (qp->srq)
4684 atomic_dec(&qp->srq->ref_count);
4685 state = RES_QP_MAPPED;
4686 break;
4687 default:
4688 state = 0;
4689 }
4690 }
4691 }
4692 spin_lock_irq(mlx4_tlock(dev));
4693 }
4694 spin_unlock_irq(mlx4_tlock(dev));
4695}
4696
4697static void rem_slave_srqs(struct mlx4_dev *dev, int slave)
4698{
4699 struct mlx4_priv *priv = mlx4_priv(dev);
4700 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
4701 struct list_head *srq_list =
4702 &tracker->slave_list[slave].res_list[RES_SRQ];
4703 struct res_srq *srq;
4704 struct res_srq *tmp;
4705 int state;
4706 u64 in_param;
4707 LIST_HEAD(tlist);
4708 int srqn;
4709 int err;
4710
4711 err = move_all_busy(dev, slave, RES_SRQ);
4712 if (err)
4713 mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n",
4714 slave);
4715
4716 spin_lock_irq(mlx4_tlock(dev));
4717 list_for_each_entry_safe(srq, tmp, srq_list, com.list) {
4718 spin_unlock_irq(mlx4_tlock(dev));
4719 if (srq->com.owner == slave) {
4720 srqn = srq->com.res_id;
4721 state = srq->com.from_state;
4722 while (state != 0) {
4723 switch (state) {
4724 case RES_SRQ_ALLOCATED:
4725 __mlx4_srq_free_icm(dev, srqn);
4726 spin_lock_irq(mlx4_tlock(dev));
4727 rb_erase(&srq->com.node,
4728 &tracker->res_tree[RES_SRQ]);
4729 list_del(&srq->com.list);
4730 spin_unlock_irq(mlx4_tlock(dev));
4731 mlx4_release_resource(dev, slave,
4732 RES_SRQ, 1, 0);
4733 kfree(srq);
4734 state = 0;
4735 break;
4736
4737 case RES_SRQ_HW:
4738 in_param = slave;
4739 err = mlx4_cmd(dev, in_param, srqn, 1,
4740 MLX4_CMD_HW2SW_SRQ,
4741 MLX4_CMD_TIME_CLASS_A,
4742 MLX4_CMD_NATIVE);
4743 if (err)
4744 mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n",
4745 slave, srqn);
4746
4747 atomic_dec(&srq->mtt->ref_count);
4748 if (srq->cq)
4749 atomic_dec(&srq->cq->ref_count);
4750 state = RES_SRQ_ALLOCATED;
4751 break;
4752
4753 default:
4754 state = 0;
4755 }
4756 }
4757 }
4758 spin_lock_irq(mlx4_tlock(dev));
4759 }
4760 spin_unlock_irq(mlx4_tlock(dev));
4761}
4762
4763static void rem_slave_cqs(struct mlx4_dev *dev, int slave)
4764{
4765 struct mlx4_priv *priv = mlx4_priv(dev);
4766 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
4767 struct list_head *cq_list =
4768 &tracker->slave_list[slave].res_list[RES_CQ];
4769 struct res_cq *cq;
4770 struct res_cq *tmp;
4771 int state;
4772 u64 in_param;
4773 LIST_HEAD(tlist);
4774 int cqn;
4775 int err;
4776
4777 err = move_all_busy(dev, slave, RES_CQ);
4778 if (err)
4779 mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n",
4780 slave);
4781
4782 spin_lock_irq(mlx4_tlock(dev));
4783 list_for_each_entry_safe(cq, tmp, cq_list, com.list) {
4784 spin_unlock_irq(mlx4_tlock(dev));
4785 if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) {
4786 cqn = cq->com.res_id;
4787 state = cq->com.from_state;
4788 while (state != 0) {
4789 switch (state) {
4790 case RES_CQ_ALLOCATED:
4791 __mlx4_cq_free_icm(dev, cqn);
4792 spin_lock_irq(mlx4_tlock(dev));
4793 rb_erase(&cq->com.node,
4794 &tracker->res_tree[RES_CQ]);
4795 list_del(&cq->com.list);
4796 spin_unlock_irq(mlx4_tlock(dev));
4797 mlx4_release_resource(dev, slave,
4798 RES_CQ, 1, 0);
4799 kfree(cq);
4800 state = 0;
4801 break;
4802
4803 case RES_CQ_HW:
4804 in_param = slave;
4805 err = mlx4_cmd(dev, in_param, cqn, 1,
4806 MLX4_CMD_HW2SW_CQ,
4807 MLX4_CMD_TIME_CLASS_A,
4808 MLX4_CMD_NATIVE);
4809 if (err)
4810 mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n",
4811 slave, cqn);
4812 atomic_dec(&cq->mtt->ref_count);
4813 state = RES_CQ_ALLOCATED;
4814 break;
4815
4816 default:
4817 state = 0;
4818 }
4819 }
4820 }
4821 spin_lock_irq(mlx4_tlock(dev));
4822 }
4823 spin_unlock_irq(mlx4_tlock(dev));
4824}
4825
4826static void rem_slave_mrs(struct mlx4_dev *dev, int slave)
4827{
4828 struct mlx4_priv *priv = mlx4_priv(dev);
4829 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
4830 struct list_head *mpt_list =
4831 &tracker->slave_list[slave].res_list[RES_MPT];
4832 struct res_mpt *mpt;
4833 struct res_mpt *tmp;
4834 int state;
4835 u64 in_param;
4836 LIST_HEAD(tlist);
4837 int mptn;
4838 int err;
4839
4840 err = move_all_busy(dev, slave, RES_MPT);
4841 if (err)
4842 mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n",
4843 slave);
4844
4845 spin_lock_irq(mlx4_tlock(dev));
4846 list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) {
4847 spin_unlock_irq(mlx4_tlock(dev));
4848 if (mpt->com.owner == slave) {
4849 mptn = mpt->com.res_id;
4850 state = mpt->com.from_state;
4851 while (state != 0) {
4852 switch (state) {
4853 case RES_MPT_RESERVED:
4854 __mlx4_mpt_release(dev, mpt->key);
4855 spin_lock_irq(mlx4_tlock(dev));
4856 rb_erase(&mpt->com.node,
4857 &tracker->res_tree[RES_MPT]);
4858 list_del(&mpt->com.list);
4859 spin_unlock_irq(mlx4_tlock(dev));
4860 mlx4_release_resource(dev, slave,
4861 RES_MPT, 1, 0);
4862 kfree(mpt);
4863 state = 0;
4864 break;
4865
4866 case RES_MPT_MAPPED:
4867 __mlx4_mpt_free_icm(dev, mpt->key);
4868 state = RES_MPT_RESERVED;
4869 break;
4870
4871 case RES_MPT_HW:
4872 in_param = slave;
4873 err = mlx4_cmd(dev, in_param, mptn, 0,
4874 MLX4_CMD_HW2SW_MPT,
4875 MLX4_CMD_TIME_CLASS_A,
4876 MLX4_CMD_NATIVE);
4877 if (err)
4878 mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n",
4879 slave, mptn);
4880 if (mpt->mtt)
4881 atomic_dec(&mpt->mtt->ref_count);
4882 state = RES_MPT_MAPPED;
4883 break;
4884 default:
4885 state = 0;
4886 }
4887 }
4888 }
4889 spin_lock_irq(mlx4_tlock(dev));
4890 }
4891 spin_unlock_irq(mlx4_tlock(dev));
4892}
4893
4894static void rem_slave_mtts(struct mlx4_dev *dev, int slave)
4895{
4896 struct mlx4_priv *priv = mlx4_priv(dev);
4897 struct mlx4_resource_tracker *tracker =
4898 &priv->mfunc.master.res_tracker;
4899 struct list_head *mtt_list =
4900 &tracker->slave_list[slave].res_list[RES_MTT];
4901 struct res_mtt *mtt;
4902 struct res_mtt *tmp;
4903 int state;
4904 LIST_HEAD(tlist);
4905 int base;
4906 int err;
4907
4908 err = move_all_busy(dev, slave, RES_MTT);
4909 if (err)
4910 mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n",
4911 slave);
4912
4913 spin_lock_irq(mlx4_tlock(dev));
4914 list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) {
4915 spin_unlock_irq(mlx4_tlock(dev));
4916 if (mtt->com.owner == slave) {
4917 base = mtt->com.res_id;
4918 state = mtt->com.from_state;
4919 while (state != 0) {
4920 switch (state) {
4921 case RES_MTT_ALLOCATED:
4922 __mlx4_free_mtt_range(dev, base,
4923 mtt->order);
4924 spin_lock_irq(mlx4_tlock(dev));
4925 rb_erase(&mtt->com.node,
4926 &tracker->res_tree[RES_MTT]);
4927 list_del(&mtt->com.list);
4928 spin_unlock_irq(mlx4_tlock(dev));
4929 mlx4_release_resource(dev, slave, RES_MTT,
4930 1 << mtt->order, 0);
4931 kfree(mtt);
4932 state = 0;
4933 break;
4934
4935 default:
4936 state = 0;
4937 }
4938 }
4939 }
4940 spin_lock_irq(mlx4_tlock(dev));
4941 }
4942 spin_unlock_irq(mlx4_tlock(dev));
4943}
4944
4945static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule)
4946{
4947 struct mlx4_cmd_mailbox *mailbox;
4948 int err;
4949 struct res_fs_rule *mirr_rule;
4950 u64 reg_id;
4951
4952 mailbox = mlx4_alloc_cmd_mailbox(dev);
4953 if (IS_ERR(mailbox))
4954 return PTR_ERR(mailbox);
4955
4956 if (!fs_rule->mirr_mbox) {
4957 mlx4_err(dev, "rule mirroring mailbox is null\n");
4958 return -EINVAL;
4959 }
4960 memcpy(mailbox->buf, fs_rule->mirr_mbox, fs_rule->mirr_mbox_size);
4961 err = mlx4_cmd_imm(dev, mailbox->dma, ®_id, fs_rule->mirr_mbox_size >> 2, 0,
4962 MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
4963 MLX4_CMD_NATIVE);
4964 mlx4_free_cmd_mailbox(dev, mailbox);
4965
4966 if (err)
4967 goto err;
4968
4969 err = add_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, fs_rule->qpn);
4970 if (err)
4971 goto err_detach;
4972
4973 err = get_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE, &mirr_rule);
4974 if (err)
4975 goto err_rem;
4976
4977 fs_rule->mirr_rule_id = reg_id;
4978 mirr_rule->mirr_rule_id = 0;
4979 mirr_rule->mirr_mbox_size = 0;
4980 mirr_rule->mirr_mbox = NULL;
4981 put_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE);
4982
4983 return 0;
4984err_rem:
4985 rem_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, 0);
4986err_detach:
4987 mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH,
4988 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
4989err:
4990 return err;
4991}
4992
4993static int mlx4_mirror_fs_rules(struct mlx4_dev *dev, bool bond)
4994{
4995 struct mlx4_priv *priv = mlx4_priv(dev);
4996 struct mlx4_resource_tracker *tracker =
4997 &priv->mfunc.master.res_tracker;
4998 struct rb_root *root = &tracker->res_tree[RES_FS_RULE];
4999 struct rb_node *p;
5000 struct res_fs_rule *fs_rule;
5001 int err = 0;
5002 LIST_HEAD(mirr_list);
5003
5004 for (p = rb_first(root); p; p = rb_next(p)) {
5005 fs_rule = rb_entry(p, struct res_fs_rule, com.node);
5006 if ((bond && fs_rule->mirr_mbox_size) ||
5007 (!bond && !fs_rule->mirr_mbox_size))
5008 list_add_tail(&fs_rule->mirr_list, &mirr_list);
5009 }
5010
5011 list_for_each_entry(fs_rule, &mirr_list, mirr_list) {
5012 if (bond)
5013 err += mlx4_do_mirror_rule(dev, fs_rule);
5014 else
5015 err += mlx4_undo_mirror_rule(dev, fs_rule);
5016 }
5017 return err;
5018}
5019
5020int mlx4_bond_fs_rules(struct mlx4_dev *dev)
5021{
5022 return mlx4_mirror_fs_rules(dev, true);
5023}
5024
5025int mlx4_unbond_fs_rules(struct mlx4_dev *dev)
5026{
5027 return mlx4_mirror_fs_rules(dev, false);
5028}
5029
5030static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave)
5031{
5032 struct mlx4_priv *priv = mlx4_priv(dev);
5033 struct mlx4_resource_tracker *tracker =
5034 &priv->mfunc.master.res_tracker;
5035 struct list_head *fs_rule_list =
5036 &tracker->slave_list[slave].res_list[RES_FS_RULE];
5037 struct res_fs_rule *fs_rule;
5038 struct res_fs_rule *tmp;
5039 int state;
5040 u64 base;
5041 int err;
5042
5043 err = move_all_busy(dev, slave, RES_FS_RULE);
5044 if (err)
5045 mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n",
5046 slave);
5047
5048 spin_lock_irq(mlx4_tlock(dev));
5049 list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) {
5050 spin_unlock_irq(mlx4_tlock(dev));
5051 if (fs_rule->com.owner == slave) {
5052 base = fs_rule->com.res_id;
5053 state = fs_rule->com.from_state;
5054 while (state != 0) {
5055 switch (state) {
5056 case RES_FS_RULE_ALLOCATED:
5057
5058 err = mlx4_cmd(dev, base, 0, 0,
5059 MLX4_QP_FLOW_STEERING_DETACH,
5060 MLX4_CMD_TIME_CLASS_A,
5061 MLX4_CMD_NATIVE);
5062
5063 spin_lock_irq(mlx4_tlock(dev));
5064 rb_erase(&fs_rule->com.node,
5065 &tracker->res_tree[RES_FS_RULE]);
5066 list_del(&fs_rule->com.list);
5067 spin_unlock_irq(mlx4_tlock(dev));
5068 kfree(fs_rule);
5069 state = 0;
5070 break;
5071
5072 default:
5073 state = 0;
5074 }
5075 }
5076 }
5077 spin_lock_irq(mlx4_tlock(dev));
5078 }
5079 spin_unlock_irq(mlx4_tlock(dev));
5080}
5081
5082static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
5083{
5084 struct mlx4_priv *priv = mlx4_priv(dev);
5085 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
5086 struct list_head *eq_list =
5087 &tracker->slave_list[slave].res_list[RES_EQ];
5088 struct res_eq *eq;
5089 struct res_eq *tmp;
5090 int err;
5091 int state;
5092 LIST_HEAD(tlist);
5093 int eqn;
5094
5095 err = move_all_busy(dev, slave, RES_EQ);
5096 if (err)
5097 mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n",
5098 slave);
5099
5100 spin_lock_irq(mlx4_tlock(dev));
5101 list_for_each_entry_safe(eq, tmp, eq_list, com.list) {
5102 spin_unlock_irq(mlx4_tlock(dev));
5103 if (eq->com.owner == slave) {
5104 eqn = eq->com.res_id;
5105 state = eq->com.from_state;
5106 while (state != 0) {
5107 switch (state) {
5108 case RES_EQ_RESERVED:
5109 spin_lock_irq(mlx4_tlock(dev));
5110 rb_erase(&eq->com.node,
5111 &tracker->res_tree[RES_EQ]);
5112 list_del(&eq->com.list);
5113 spin_unlock_irq(mlx4_tlock(dev));
5114 kfree(eq);
5115 state = 0;
5116 break;
5117
5118 case RES_EQ_HW:
5119 err = mlx4_cmd(dev, slave, eqn & 0x3ff,
5120 1, MLX4_CMD_HW2SW_EQ,
5121 MLX4_CMD_TIME_CLASS_A,
5122 MLX4_CMD_NATIVE);
5123 if (err)
5124 mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n",
5125 slave, eqn & 0x3ff);
5126 atomic_dec(&eq->mtt->ref_count);
5127 state = RES_EQ_RESERVED;
5128 break;
5129
5130 default:
5131 state = 0;
5132 }
5133 }
5134 }
5135 spin_lock_irq(mlx4_tlock(dev));
5136 }
5137 spin_unlock_irq(mlx4_tlock(dev));
5138}
5139
5140static void rem_slave_counters(struct mlx4_dev *dev, int slave)
5141{
5142 struct mlx4_priv *priv = mlx4_priv(dev);
5143 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
5144 struct list_head *counter_list =
5145 &tracker->slave_list[slave].res_list[RES_COUNTER];
5146 struct res_counter *counter;
5147 struct res_counter *tmp;
5148 int err;
5149 int *counters_arr = NULL;
5150 int i, j;
5151
5152 err = move_all_busy(dev, slave, RES_COUNTER);
5153 if (err)
5154 mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n",
5155 slave);
5156
5157 counters_arr = kmalloc_array(dev->caps.max_counters,
5158 sizeof(*counters_arr), GFP_KERNEL);
5159 if (!counters_arr)
5160 return;
5161
5162 do {
5163 i = 0;
5164 j = 0;
5165 spin_lock_irq(mlx4_tlock(dev));
5166 list_for_each_entry_safe(counter, tmp, counter_list, com.list) {
5167 if (counter->com.owner == slave) {
5168 counters_arr[i++] = counter->com.res_id;
5169 rb_erase(&counter->com.node,
5170 &tracker->res_tree[RES_COUNTER]);
5171 list_del(&counter->com.list);
5172 kfree(counter);
5173 }
5174 }
5175 spin_unlock_irq(mlx4_tlock(dev));
5176
5177 while (j < i) {
5178 __mlx4_counter_free(dev, counters_arr[j++]);
5179 mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0);
5180 }
5181 } while (i);
5182
5183 kfree(counters_arr);
5184}
5185
5186static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave)
5187{
5188 struct mlx4_priv *priv = mlx4_priv(dev);
5189 struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker;
5190 struct list_head *xrcdn_list =
5191 &tracker->slave_list[slave].res_list[RES_XRCD];
5192 struct res_xrcdn *xrcd;
5193 struct res_xrcdn *tmp;
5194 int err;
5195 int xrcdn;
5196
5197 err = move_all_busy(dev, slave, RES_XRCD);
5198 if (err)
5199 mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n",
5200 slave);
5201
5202 spin_lock_irq(mlx4_tlock(dev));
5203 list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) {
5204 if (xrcd->com.owner == slave) {
5205 xrcdn = xrcd->com.res_id;
5206 rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]);
5207 list_del(&xrcd->com.list);
5208 kfree(xrcd);
5209 __mlx4_xrcd_free(dev, xrcdn);
5210 }
5211 }
5212 spin_unlock_irq(mlx4_tlock(dev));
5213}
5214
5215void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
5216{
5217 struct mlx4_priv *priv = mlx4_priv(dev);
5218 mlx4_reset_roce_gids(dev, slave);
5219 mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
5220 rem_slave_vlans(dev, slave);
5221 rem_slave_macs(dev, slave);
5222 rem_slave_fs_rule(dev, slave);
5223 rem_slave_qps(dev, slave);
5224 rem_slave_srqs(dev, slave);
5225 rem_slave_cqs(dev, slave);
5226 rem_slave_mrs(dev, slave);
5227 rem_slave_eqs(dev, slave);
5228 rem_slave_mtts(dev, slave);
5229 rem_slave_counters(dev, slave);
5230 rem_slave_xrcdns(dev, slave);
5231 mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
5232}
5233
5234void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work)
5235{
5236 struct mlx4_vf_immed_vlan_work *work =
5237 container_of(_work, struct mlx4_vf_immed_vlan_work, work);
5238 struct mlx4_cmd_mailbox *mailbox;
5239 struct mlx4_update_qp_context *upd_context;
5240 struct mlx4_dev *dev = &work->priv->dev;
5241 struct mlx4_resource_tracker *tracker =
5242 &work->priv->mfunc.master.res_tracker;
5243 struct list_head *qp_list =
5244 &tracker->slave_list[work->slave].res_list[RES_QP];
5245 struct res_qp *qp;
5246 struct res_qp *tmp;
5247 u64 qp_path_mask_vlan_ctrl =
5248 ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) |
5249 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) |
5250 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) |
5251 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) |
5252 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) |
5253 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED));
5254
5255 u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) |
5256 (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) |
5257 (1ULL << MLX4_UPD_QP_PATH_MASK_CV) |
5258 (1ULL << MLX4_UPD_QP_PATH_MASK_SV) |
5259 (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) |
5260 (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) |
5261 (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) |
5262 (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE));
5263
5264 int err;
5265 int port, errors = 0;
5266 u8 vlan_control;
5267
5268 if (mlx4_is_slave(dev)) {
5269 mlx4_warn(dev, "Trying to update-qp in slave %d\n",
5270 work->slave);
5271 goto out;
5272 }
5273
5274 mailbox = mlx4_alloc_cmd_mailbox(dev);
5275 if (IS_ERR(mailbox))
5276 goto out;
5277 if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE)
5278 vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
5279 MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
5280 MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
5281 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
5282 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
5283 MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
5284 else if (!work->vlan_id)
5285 vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
5286 MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
5287 else if (work->vlan_proto == htons(ETH_P_8021AD))
5288 vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
5289 MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
5290 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
5291 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
5292 else
5293 vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
5294 MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
5295 MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
5296
5297 upd_context = mailbox->buf;
5298 upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD);
5299
5300 spin_lock_irq(mlx4_tlock(dev));
5301 list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
5302 spin_unlock_irq(mlx4_tlock(dev));
5303 if (qp->com.owner == work->slave) {
5304 if (qp->com.from_state != RES_QP_HW ||
5305 !qp->sched_queue ||
5306 mlx4_is_qp_reserved(dev, qp->local_qpn) ||
5307 qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) {
5308 spin_lock_irq(mlx4_tlock(dev));
5309 continue;
5310 }
5311 port = (qp->sched_queue >> 6 & 1) + 1;
5312 if (port != work->port) {
5313 spin_lock_irq(mlx4_tlock(dev));
5314 continue;
5315 }
5316 if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff))
5317 upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask);
5318 else
5319 upd_context->primary_addr_path_mask =
5320 cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl);
5321 if (work->vlan_id == MLX4_VGT) {
5322 upd_context->qp_context.param3 = qp->param3;
5323 upd_context->qp_context.pri_path.vlan_control = qp->vlan_control;
5324 upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx;
5325 upd_context->qp_context.pri_path.vlan_index = qp->vlan_index;
5326 upd_context->qp_context.pri_path.fl = qp->pri_path_fl;
5327 upd_context->qp_context.pri_path.feup = qp->feup;
5328 upd_context->qp_context.pri_path.sched_queue =
5329 qp->sched_queue;
5330 } else {
5331 upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN);
5332 upd_context->qp_context.pri_path.vlan_control = vlan_control;
5333 upd_context->qp_context.pri_path.vlan_index = work->vlan_ix;
5334 upd_context->qp_context.pri_path.fvl_rx =
5335 qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN;
5336 upd_context->qp_context.pri_path.fl =
5337 qp->pri_path_fl | MLX4_FL_ETH_HIDE_CQE_VLAN;
5338 if (work->vlan_proto == htons(ETH_P_8021AD))
5339 upd_context->qp_context.pri_path.fl |= MLX4_FL_SV;
5340 else
5341 upd_context->qp_context.pri_path.fl |= MLX4_FL_CV;
5342 upd_context->qp_context.pri_path.feup =
5343 qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN;
5344 upd_context->qp_context.pri_path.sched_queue =
5345 qp->sched_queue & 0xC7;
5346 upd_context->qp_context.pri_path.sched_queue |=
5347 ((work->qos & 0x7) << 3);
5348 upd_context->qp_mask |=
5349 cpu_to_be64(1ULL <<
5350 MLX4_UPD_QP_MASK_QOS_VPP);
5351 upd_context->qp_context.qos_vport =
5352 work->qos_vport;
5353 }
5354
5355 err = mlx4_cmd(dev, mailbox->dma,
5356 qp->local_qpn & 0xffffff,
5357 0, MLX4_CMD_UPDATE_QP,
5358 MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
5359 if (err) {
5360 mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n",
5361 work->slave, port, qp->local_qpn, err);
5362 errors++;
5363 }
5364 }
5365 spin_lock_irq(mlx4_tlock(dev));
5366 }
5367 spin_unlock_irq(mlx4_tlock(dev));
5368 mlx4_free_cmd_mailbox(dev, mailbox);
5369
5370 if (errors)
5371 mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n",
5372 errors, work->slave, work->port);
5373
5374
5375
5376
5377 if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors &&
5378 NO_INDX != work->orig_vlan_ix)
5379 __mlx4_unregister_vlan(&work->priv->dev, work->port,
5380 work->orig_vlan_id);
5381out:
5382 kfree(work);
5383 return;
5384}
5385
