2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies.
5 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/sched.h>
37 #include <linux/pci.h>
38 #include <linux/errno.h>
39 #include <linux/kernel.h>
41 #include <linux/slab.h>
42 #include <linux/mlx4/cmd.h>
43 #include <linux/mlx4/qp.h>
48 #define MLX4_MAC_VALID (1ull << 63)
49 #define MLX4_MAC_MASK 0x7fffffffffffffffULL
53 struct list_head list
;
59 struct list_head list
;
74 struct list_head list
;
76 enum mlx4_protocol prot
;
77 enum mlx4_steer_type steer
;
81 RES_QP_BUSY
= RES_ANY_BUSY
,
83 /* QP number was allocated */
86 /* ICM memory for QP context was mapped */
89 /* QP is in hw ownership */
94 struct res_common com
;
99 struct list_head mcg_list
;
104 enum res_mtt_states
{
105 RES_MTT_BUSY
= RES_ANY_BUSY
,
109 static inline const char *mtt_states_str(enum res_mtt_states state
)
112 case RES_MTT_BUSY
: return "RES_MTT_BUSY";
113 case RES_MTT_ALLOCATED
: return "RES_MTT_ALLOCATED";
114 default: return "Unknown";
119 struct res_common com
;
124 enum res_mpt_states
{
125 RES_MPT_BUSY
= RES_ANY_BUSY
,
132 struct res_common com
;
138 RES_EQ_BUSY
= RES_ANY_BUSY
,
144 struct res_common com
;
149 RES_CQ_BUSY
= RES_ANY_BUSY
,
155 struct res_common com
;
160 enum res_srq_states
{
161 RES_SRQ_BUSY
= RES_ANY_BUSY
,
167 struct res_common com
;
173 enum res_counter_states
{
174 RES_COUNTER_BUSY
= RES_ANY_BUSY
,
175 RES_COUNTER_ALLOCATED
,
179 struct res_common com
;
183 enum res_xrcdn_states
{
184 RES_XRCD_BUSY
= RES_ANY_BUSY
,
189 struct res_common com
;
193 static void *res_tracker_lookup(struct rb_root
*root
, u64 res_id
)
195 struct rb_node
*node
= root
->rb_node
;
198 struct res_common
*res
= container_of(node
, struct res_common
,
201 if (res_id
< res
->res_id
)
202 node
= node
->rb_left
;
203 else if (res_id
> res
->res_id
)
204 node
= node
->rb_right
;
211 static int res_tracker_insert(struct rb_root
*root
, struct res_common
*res
)
213 struct rb_node
**new = &(root
->rb_node
), *parent
= NULL
;
215 /* Figure out where to put new node */
217 struct res_common
*this = container_of(*new, struct res_common
,
221 if (res
->res_id
< this->res_id
)
222 new = &((*new)->rb_left
);
223 else if (res
->res_id
> this->res_id
)
224 new = &((*new)->rb_right
);
229 /* Add new node and rebalance tree. */
230 rb_link_node(&res
->node
, parent
, new);
231 rb_insert_color(&res
->node
, root
);
237 static const char *ResourceType(enum mlx4_resource rt
)
240 case RES_QP
: return "RES_QP";
241 case RES_CQ
: return "RES_CQ";
242 case RES_SRQ
: return "RES_SRQ";
243 case RES_MPT
: return "RES_MPT";
244 case RES_MTT
: return "RES_MTT";
245 case RES_MAC
: return "RES_MAC";
246 case RES_EQ
: return "RES_EQ";
247 case RES_COUNTER
: return "RES_COUNTER";
248 case RES_XRCD
: return "RES_XRCD";
249 default: return "Unknown resource type !!!";
253 int mlx4_init_resource_tracker(struct mlx4_dev
*dev
)
255 struct mlx4_priv
*priv
= mlx4_priv(dev
);
259 priv
->mfunc
.master
.res_tracker
.slave_list
=
260 kzalloc(dev
->num_slaves
* sizeof(struct slave_list
),
262 if (!priv
->mfunc
.master
.res_tracker
.slave_list
)
265 for (i
= 0 ; i
< dev
->num_slaves
; i
++) {
266 for (t
= 0; t
< MLX4_NUM_OF_RESOURCE_TYPE
; ++t
)
267 INIT_LIST_HEAD(&priv
->mfunc
.master
.res_tracker
.
268 slave_list
[i
].res_list
[t
]);
269 mutex_init(&priv
->mfunc
.master
.res_tracker
.slave_list
[i
].mutex
);
272 mlx4_dbg(dev
, "Started init_resource_tracker: %ld slaves\n",
274 for (i
= 0 ; i
< MLX4_NUM_OF_RESOURCE_TYPE
; i
++)
275 priv
->mfunc
.master
.res_tracker
.res_tree
[i
] = RB_ROOT
;
277 spin_lock_init(&priv
->mfunc
.master
.res_tracker
.lock
);
281 void mlx4_free_resource_tracker(struct mlx4_dev
*dev
,
282 enum mlx4_res_tracker_free_type type
)
284 struct mlx4_priv
*priv
= mlx4_priv(dev
);
287 if (priv
->mfunc
.master
.res_tracker
.slave_list
) {
288 if (type
!= RES_TR_FREE_STRUCTS_ONLY
)
289 for (i
= 0 ; i
< dev
->num_slaves
; i
++)
290 if (type
== RES_TR_FREE_ALL
||
291 dev
->caps
.function
!= i
)
292 mlx4_delete_all_resources_for_slave(dev
, i
);
294 if (type
!= RES_TR_FREE_SLAVES_ONLY
) {
295 kfree(priv
->mfunc
.master
.res_tracker
.slave_list
);
296 priv
->mfunc
.master
.res_tracker
.slave_list
= NULL
;
301 static void update_ud_gid(struct mlx4_dev
*dev
,
302 struct mlx4_qp_context
*qp_ctx
, u8 slave
)
304 u32 ts
= (be32_to_cpu(qp_ctx
->flags
) >> 16) & 0xff;
306 if (MLX4_QP_ST_UD
== ts
)
307 qp_ctx
->pri_path
.mgid_index
= 0x80 | slave
;
309 mlx4_dbg(dev
, "slave %d, new gid index: 0x%x ",
310 slave
, qp_ctx
->pri_path
.mgid_index
);
313 static int mpt_mask(struct mlx4_dev
*dev
)
315 return dev
->caps
.num_mpts
- 1;
318 static void *find_res(struct mlx4_dev
*dev
, int res_id
,
319 enum mlx4_resource type
)
321 struct mlx4_priv
*priv
= mlx4_priv(dev
);
323 return res_tracker_lookup(&priv
->mfunc
.master
.res_tracker
.res_tree
[type
],
327 static int get_res(struct mlx4_dev
*dev
, int slave
, u64 res_id
,
328 enum mlx4_resource type
,
331 struct res_common
*r
;
334 spin_lock_irq(mlx4_tlock(dev
));
335 r
= find_res(dev
, res_id
, type
);
341 if (r
->state
== RES_ANY_BUSY
) {
346 if (r
->owner
!= slave
) {
351 r
->from_state
= r
->state
;
352 r
->state
= RES_ANY_BUSY
;
353 mlx4_dbg(dev
, "res %s id 0x%llx to busy\n",
354 ResourceType(type
), r
->res_id
);
357 *((struct res_common
**)res
) = r
;
360 spin_unlock_irq(mlx4_tlock(dev
));
364 int mlx4_get_slave_from_resource_id(struct mlx4_dev
*dev
,
365 enum mlx4_resource type
,
366 u64 res_id
, int *slave
)
369 struct res_common
*r
;
375 spin_lock(mlx4_tlock(dev
));
377 r
= find_res(dev
, id
, type
);
382 spin_unlock(mlx4_tlock(dev
));
387 static void put_res(struct mlx4_dev
*dev
, int slave
, u64 res_id
,
388 enum mlx4_resource type
)
390 struct res_common
*r
;
392 spin_lock_irq(mlx4_tlock(dev
));
393 r
= find_res(dev
, res_id
, type
);
395 r
->state
= r
->from_state
;
396 spin_unlock_irq(mlx4_tlock(dev
));
399 static struct res_common
*alloc_qp_tr(int id
)
403 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
407 ret
->com
.res_id
= id
;
408 ret
->com
.state
= RES_QP_RESERVED
;
410 INIT_LIST_HEAD(&ret
->mcg_list
);
411 spin_lock_init(&ret
->mcg_spl
);
416 static struct res_common
*alloc_mtt_tr(int id
, int order
)
420 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
424 ret
->com
.res_id
= id
;
426 ret
->com
.state
= RES_MTT_ALLOCATED
;
427 atomic_set(&ret
->ref_count
, 0);
432 static struct res_common
*alloc_mpt_tr(int id
, int key
)
436 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
440 ret
->com
.res_id
= id
;
441 ret
->com
.state
= RES_MPT_RESERVED
;
447 static struct res_common
*alloc_eq_tr(int id
)
451 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
455 ret
->com
.res_id
= id
;
456 ret
->com
.state
= RES_EQ_RESERVED
;
461 static struct res_common
*alloc_cq_tr(int id
)
465 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
469 ret
->com
.res_id
= id
;
470 ret
->com
.state
= RES_CQ_ALLOCATED
;
471 atomic_set(&ret
->ref_count
, 0);
476 static struct res_common
*alloc_srq_tr(int id
)
480 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
484 ret
->com
.res_id
= id
;
485 ret
->com
.state
= RES_SRQ_ALLOCATED
;
486 atomic_set(&ret
->ref_count
, 0);
491 static struct res_common
*alloc_counter_tr(int id
)
493 struct res_counter
*ret
;
495 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
499 ret
->com
.res_id
= id
;
500 ret
->com
.state
= RES_COUNTER_ALLOCATED
;
505 static struct res_common
*alloc_xrcdn_tr(int id
)
507 struct res_xrcdn
*ret
;
509 ret
= kzalloc(sizeof *ret
, GFP_KERNEL
);
513 ret
->com
.res_id
= id
;
514 ret
->com
.state
= RES_XRCD_ALLOCATED
;
519 static struct res_common
*alloc_tr(u64 id
, enum mlx4_resource type
, int slave
,
522 struct res_common
*ret
;
526 ret
= alloc_qp_tr(id
);
529 ret
= alloc_mpt_tr(id
, extra
);
532 ret
= alloc_mtt_tr(id
, extra
);
535 ret
= alloc_eq_tr(id
);
538 ret
= alloc_cq_tr(id
);
541 ret
= alloc_srq_tr(id
);
544 printk(KERN_ERR
"implementation missing\n");
547 ret
= alloc_counter_tr(id
);
550 ret
= alloc_xrcdn_tr(id
);
561 static int add_res_range(struct mlx4_dev
*dev
, int slave
, u64 base
, int count
,
562 enum mlx4_resource type
, int extra
)
566 struct mlx4_priv
*priv
= mlx4_priv(dev
);
567 struct res_common
**res_arr
;
568 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
569 struct rb_root
*root
= &tracker
->res_tree
[type
];
571 res_arr
= kzalloc(count
* sizeof *res_arr
, GFP_KERNEL
);
575 for (i
= 0; i
< count
; ++i
) {
576 res_arr
[i
] = alloc_tr(base
+ i
, type
, slave
, extra
);
578 for (--i
; i
>= 0; --i
)
586 spin_lock_irq(mlx4_tlock(dev
));
587 for (i
= 0; i
< count
; ++i
) {
588 if (find_res(dev
, base
+ i
, type
)) {
592 err
= res_tracker_insert(root
, res_arr
[i
]);
595 list_add_tail(&res_arr
[i
]->list
,
596 &tracker
->slave_list
[slave
].res_list
[type
]);
598 spin_unlock_irq(mlx4_tlock(dev
));
604 for (--i
; i
>= base
; --i
)
605 rb_erase(&res_arr
[i
]->node
, root
);
607 spin_unlock_irq(mlx4_tlock(dev
));
609 for (i
= 0; i
< count
; ++i
)
617 static int remove_qp_ok(struct res_qp
*res
)
619 if (res
->com
.state
== RES_QP_BUSY
)
621 else if (res
->com
.state
!= RES_QP_RESERVED
)
627 static int remove_mtt_ok(struct res_mtt
*res
, int order
)
629 if (res
->com
.state
== RES_MTT_BUSY
||
630 atomic_read(&res
->ref_count
)) {
631 printk(KERN_DEBUG
"%s-%d: state %s, ref_count %d\n",
633 mtt_states_str(res
->com
.state
),
634 atomic_read(&res
->ref_count
));
636 } else if (res
->com
.state
!= RES_MTT_ALLOCATED
)
638 else if (res
->order
!= order
)
644 static int remove_mpt_ok(struct res_mpt
*res
)
646 if (res
->com
.state
== RES_MPT_BUSY
)
648 else if (res
->com
.state
!= RES_MPT_RESERVED
)
654 static int remove_eq_ok(struct res_eq
*res
)
656 if (res
->com
.state
== RES_MPT_BUSY
)
658 else if (res
->com
.state
!= RES_MPT_RESERVED
)
664 static int remove_counter_ok(struct res_counter
*res
)
666 if (res
->com
.state
== RES_COUNTER_BUSY
)
668 else if (res
->com
.state
!= RES_COUNTER_ALLOCATED
)
674 static int remove_xrcdn_ok(struct res_xrcdn
*res
)
676 if (res
->com
.state
== RES_XRCD_BUSY
)
678 else if (res
->com
.state
!= RES_XRCD_ALLOCATED
)
684 static int remove_cq_ok(struct res_cq
*res
)
686 if (res
->com
.state
== RES_CQ_BUSY
)
688 else if (res
->com
.state
!= RES_CQ_ALLOCATED
)
694 static int remove_srq_ok(struct res_srq
*res
)
696 if (res
->com
.state
== RES_SRQ_BUSY
)
698 else if (res
->com
.state
!= RES_SRQ_ALLOCATED
)
704 static int remove_ok(struct res_common
*res
, enum mlx4_resource type
, int extra
)
708 return remove_qp_ok((struct res_qp
*)res
);
710 return remove_cq_ok((struct res_cq
*)res
);
712 return remove_srq_ok((struct res_srq
*)res
);
714 return remove_mpt_ok((struct res_mpt
*)res
);
716 return remove_mtt_ok((struct res_mtt
*)res
, extra
);
720 return remove_eq_ok((struct res_eq
*)res
);
722 return remove_counter_ok((struct res_counter
*)res
);
724 return remove_xrcdn_ok((struct res_xrcdn
*)res
);
730 static int rem_res_range(struct mlx4_dev
*dev
, int slave
, u64 base
, int count
,
731 enum mlx4_resource type
, int extra
)
735 struct mlx4_priv
*priv
= mlx4_priv(dev
);
736 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
737 struct res_common
*r
;
739 spin_lock_irq(mlx4_tlock(dev
));
740 for (i
= base
; i
< base
+ count
; ++i
) {
741 r
= res_tracker_lookup(&tracker
->res_tree
[type
], i
);
746 if (r
->owner
!= slave
) {
750 err
= remove_ok(r
, type
, extra
);
755 for (i
= base
; i
< base
+ count
; ++i
) {
756 r
= res_tracker_lookup(&tracker
->res_tree
[type
], i
);
757 rb_erase(&r
->node
, &tracker
->res_tree
[type
]);
764 spin_unlock_irq(mlx4_tlock(dev
));
769 static int qp_res_start_move_to(struct mlx4_dev
*dev
, int slave
, int qpn
,
770 enum res_qp_states state
, struct res_qp
**qp
,
773 struct mlx4_priv
*priv
= mlx4_priv(dev
);
774 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
778 spin_lock_irq(mlx4_tlock(dev
));
779 r
= res_tracker_lookup(&tracker
->res_tree
[RES_QP
], qpn
);
782 else if (r
->com
.owner
!= slave
)
787 mlx4_dbg(dev
, "%s: failed RES_QP, 0x%llx\n",
788 __func__
, r
->com
.res_id
);
792 case RES_QP_RESERVED
:
793 if (r
->com
.state
== RES_QP_MAPPED
&& !alloc
)
796 mlx4_dbg(dev
, "failed RES_QP, 0x%llx\n", r
->com
.res_id
);
801 if ((r
->com
.state
== RES_QP_RESERVED
&& alloc
) ||
802 r
->com
.state
== RES_QP_HW
)
805 mlx4_dbg(dev
, "failed RES_QP, 0x%llx\n",
813 if (r
->com
.state
!= RES_QP_MAPPED
)
821 r
->com
.from_state
= r
->com
.state
;
822 r
->com
.to_state
= state
;
823 r
->com
.state
= RES_QP_BUSY
;
829 spin_unlock_irq(mlx4_tlock(dev
));
834 static int mr_res_start_move_to(struct mlx4_dev
*dev
, int slave
, int index
,
835 enum res_mpt_states state
, struct res_mpt
**mpt
)
837 struct mlx4_priv
*priv
= mlx4_priv(dev
);
838 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
842 spin_lock_irq(mlx4_tlock(dev
));
843 r
= res_tracker_lookup(&tracker
->res_tree
[RES_MPT
], index
);
846 else if (r
->com
.owner
!= slave
)
854 case RES_MPT_RESERVED
:
855 if (r
->com
.state
!= RES_MPT_MAPPED
)
860 if (r
->com
.state
!= RES_MPT_RESERVED
&&
861 r
->com
.state
!= RES_MPT_HW
)
866 if (r
->com
.state
!= RES_MPT_MAPPED
)
874 r
->com
.from_state
= r
->com
.state
;
875 r
->com
.to_state
= state
;
876 r
->com
.state
= RES_MPT_BUSY
;
882 spin_unlock_irq(mlx4_tlock(dev
));
887 static int eq_res_start_move_to(struct mlx4_dev
*dev
, int slave
, int index
,
888 enum res_eq_states state
, struct res_eq
**eq
)
890 struct mlx4_priv
*priv
= mlx4_priv(dev
);
891 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
895 spin_lock_irq(mlx4_tlock(dev
));
896 r
= res_tracker_lookup(&tracker
->res_tree
[RES_EQ
], index
);
899 else if (r
->com
.owner
!= slave
)
907 case RES_EQ_RESERVED
:
908 if (r
->com
.state
!= RES_EQ_HW
)
913 if (r
->com
.state
!= RES_EQ_RESERVED
)
922 r
->com
.from_state
= r
->com
.state
;
923 r
->com
.to_state
= state
;
924 r
->com
.state
= RES_EQ_BUSY
;
930 spin_unlock_irq(mlx4_tlock(dev
));
935 static int cq_res_start_move_to(struct mlx4_dev
*dev
, int slave
, int cqn
,
936 enum res_cq_states state
, struct res_cq
**cq
)
938 struct mlx4_priv
*priv
= mlx4_priv(dev
);
939 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
943 spin_lock_irq(mlx4_tlock(dev
));
944 r
= res_tracker_lookup(&tracker
->res_tree
[RES_CQ
], cqn
);
947 else if (r
->com
.owner
!= slave
)
955 case RES_CQ_ALLOCATED
:
956 if (r
->com
.state
!= RES_CQ_HW
)
958 else if (atomic_read(&r
->ref_count
))
965 if (r
->com
.state
!= RES_CQ_ALLOCATED
)
976 r
->com
.from_state
= r
->com
.state
;
977 r
->com
.to_state
= state
;
978 r
->com
.state
= RES_CQ_BUSY
;
984 spin_unlock_irq(mlx4_tlock(dev
));
989 static int srq_res_start_move_to(struct mlx4_dev
*dev
, int slave
, int index
,
990 enum res_cq_states state
, struct res_srq
**srq
)
992 struct mlx4_priv
*priv
= mlx4_priv(dev
);
993 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
997 spin_lock_irq(mlx4_tlock(dev
));
998 r
= res_tracker_lookup(&tracker
->res_tree
[RES_SRQ
], index
);
1001 else if (r
->com
.owner
!= slave
)
1009 case RES_SRQ_ALLOCATED
:
1010 if (r
->com
.state
!= RES_SRQ_HW
)
1012 else if (atomic_read(&r
->ref_count
))
1017 if (r
->com
.state
!= RES_SRQ_ALLOCATED
)
1026 r
->com
.from_state
= r
->com
.state
;
1027 r
->com
.to_state
= state
;
1028 r
->com
.state
= RES_SRQ_BUSY
;
1034 spin_unlock_irq(mlx4_tlock(dev
));
1039 static void res_abort_move(struct mlx4_dev
*dev
, int slave
,
1040 enum mlx4_resource type
, int id
)
1042 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1043 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
1044 struct res_common
*r
;
1046 spin_lock_irq(mlx4_tlock(dev
));
1047 r
= res_tracker_lookup(&tracker
->res_tree
[type
], id
);
1048 if (r
&& (r
->owner
== slave
))
1049 r
->state
= r
->from_state
;
1050 spin_unlock_irq(mlx4_tlock(dev
));
1053 static void res_end_move(struct mlx4_dev
*dev
, int slave
,
1054 enum mlx4_resource type
, int id
)
1056 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1057 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
1058 struct res_common
*r
;
1060 spin_lock_irq(mlx4_tlock(dev
));
1061 r
= res_tracker_lookup(&tracker
->res_tree
[type
], id
);
1062 if (r
&& (r
->owner
== slave
))
1063 r
->state
= r
->to_state
;
1064 spin_unlock_irq(mlx4_tlock(dev
));
1067 static int valid_reserved(struct mlx4_dev
*dev
, int slave
, int qpn
)
1069 return mlx4_is_qp_reserved(dev
, qpn
);
1072 static int qp_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1073 u64 in_param
, u64
*out_param
)
1082 case RES_OP_RESERVE
:
1083 count
= get_param_l(&in_param
);
1084 align
= get_param_h(&in_param
);
1085 err
= __mlx4_qp_reserve_range(dev
, count
, align
, &base
);
1089 err
= add_res_range(dev
, slave
, base
, count
, RES_QP
, 0);
1091 __mlx4_qp_release_range(dev
, base
, count
);
1094 set_param_l(out_param
, base
);
1096 case RES_OP_MAP_ICM
:
1097 qpn
= get_param_l(&in_param
) & 0x7fffff;
1098 if (valid_reserved(dev
, slave
, qpn
)) {
1099 err
= add_res_range(dev
, slave
, qpn
, 1, RES_QP
, 0);
1104 err
= qp_res_start_move_to(dev
, slave
, qpn
, RES_QP_MAPPED
,
1109 if (!valid_reserved(dev
, slave
, qpn
)) {
1110 err
= __mlx4_qp_alloc_icm(dev
, qpn
);
1112 res_abort_move(dev
, slave
, RES_QP
, qpn
);
1117 res_end_move(dev
, slave
, RES_QP
, qpn
);
1127 static int mtt_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1128 u64 in_param
, u64
*out_param
)
1134 if (op
!= RES_OP_RESERVE_AND_MAP
)
1137 order
= get_param_l(&in_param
);
1138 base
= __mlx4_alloc_mtt_range(dev
, order
);
1142 err
= add_res_range(dev
, slave
, base
, 1, RES_MTT
, order
);
1144 __mlx4_free_mtt_range(dev
, base
, order
);
1146 set_param_l(out_param
, base
);
1151 static int mpt_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1152 u64 in_param
, u64
*out_param
)
1157 struct res_mpt
*mpt
;
1160 case RES_OP_RESERVE
:
1161 index
= __mlx4_mr_reserve(dev
);
1164 id
= index
& mpt_mask(dev
);
1166 err
= add_res_range(dev
, slave
, id
, 1, RES_MPT
, index
);
1168 __mlx4_mr_release(dev
, index
);
1171 set_param_l(out_param
, index
);
1173 case RES_OP_MAP_ICM
:
1174 index
= get_param_l(&in_param
);
1175 id
= index
& mpt_mask(dev
);
1176 err
= mr_res_start_move_to(dev
, slave
, id
,
1177 RES_MPT_MAPPED
, &mpt
);
1181 err
= __mlx4_mr_alloc_icm(dev
, mpt
->key
);
1183 res_abort_move(dev
, slave
, RES_MPT
, id
);
1187 res_end_move(dev
, slave
, RES_MPT
, id
);
1193 static int cq_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1194 u64 in_param
, u64
*out_param
)
1200 case RES_OP_RESERVE_AND_MAP
:
1201 err
= __mlx4_cq_alloc_icm(dev
, &cqn
);
1205 err
= add_res_range(dev
, slave
, cqn
, 1, RES_CQ
, 0);
1207 __mlx4_cq_free_icm(dev
, cqn
);
1211 set_param_l(out_param
, cqn
);
1221 static int srq_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1222 u64 in_param
, u64
*out_param
)
1228 case RES_OP_RESERVE_AND_MAP
:
1229 err
= __mlx4_srq_alloc_icm(dev
, &srqn
);
1233 err
= add_res_range(dev
, slave
, srqn
, 1, RES_SRQ
, 0);
1235 __mlx4_srq_free_icm(dev
, srqn
);
1239 set_param_l(out_param
, srqn
);
1249 static int mac_add_to_slave(struct mlx4_dev
*dev
, int slave
, u64 mac
, int port
)
1251 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1252 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
1253 struct mac_res
*res
;
1255 res
= kzalloc(sizeof *res
, GFP_KERNEL
);
1259 res
->port
= (u8
) port
;
1260 list_add_tail(&res
->list
,
1261 &tracker
->slave_list
[slave
].res_list
[RES_MAC
]);
1265 static void mac_del_from_slave(struct mlx4_dev
*dev
, int slave
, u64 mac
,
1268 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1269 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
1270 struct list_head
*mac_list
=
1271 &tracker
->slave_list
[slave
].res_list
[RES_MAC
];
1272 struct mac_res
*res
, *tmp
;
1274 list_for_each_entry_safe(res
, tmp
, mac_list
, list
) {
1275 if (res
->mac
== mac
&& res
->port
== (u8
) port
) {
1276 list_del(&res
->list
);
1283 static void rem_slave_macs(struct mlx4_dev
*dev
, int slave
)
1285 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1286 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
1287 struct list_head
*mac_list
=
1288 &tracker
->slave_list
[slave
].res_list
[RES_MAC
];
1289 struct mac_res
*res
, *tmp
;
1291 list_for_each_entry_safe(res
, tmp
, mac_list
, list
) {
1292 list_del(&res
->list
);
1293 __mlx4_unregister_mac(dev
, res
->port
, res
->mac
);
1298 static int mac_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1299 u64 in_param
, u64
*out_param
)
1305 if (op
!= RES_OP_RESERVE_AND_MAP
)
1308 port
= get_param_l(out_param
);
1311 err
= __mlx4_register_mac(dev
, port
, mac
);
1313 set_param_l(out_param
, err
);
1318 err
= mac_add_to_slave(dev
, slave
, mac
, port
);
1320 __mlx4_unregister_mac(dev
, port
, mac
);
1325 static int vlan_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1326 u64 in_param
, u64
*out_param
)
1331 static int counter_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1332 u64 in_param
, u64
*out_param
)
1337 if (op
!= RES_OP_RESERVE
)
1340 err
= __mlx4_counter_alloc(dev
, &index
);
1344 err
= add_res_range(dev
, slave
, index
, 1, RES_COUNTER
, 0);
1346 __mlx4_counter_free(dev
, index
);
1348 set_param_l(out_param
, index
);
1353 static int xrcdn_alloc_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1354 u64 in_param
, u64
*out_param
)
1359 if (op
!= RES_OP_RESERVE
)
1362 err
= __mlx4_xrcd_alloc(dev
, &xrcdn
);
1366 err
= add_res_range(dev
, slave
, xrcdn
, 1, RES_XRCD
, 0);
1368 __mlx4_xrcd_free(dev
, xrcdn
);
1370 set_param_l(out_param
, xrcdn
);
1375 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev
*dev
, int slave
,
1376 struct mlx4_vhcr
*vhcr
,
1377 struct mlx4_cmd_mailbox
*inbox
,
1378 struct mlx4_cmd_mailbox
*outbox
,
1379 struct mlx4_cmd_info
*cmd
)
1382 int alop
= vhcr
->op_modifier
;
1384 switch (vhcr
->in_modifier
) {
1386 err
= qp_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1387 vhcr
->in_param
, &vhcr
->out_param
);
1391 err
= mtt_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1392 vhcr
->in_param
, &vhcr
->out_param
);
1396 err
= mpt_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1397 vhcr
->in_param
, &vhcr
->out_param
);
1401 err
= cq_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1402 vhcr
->in_param
, &vhcr
->out_param
);
1406 err
= srq_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1407 vhcr
->in_param
, &vhcr
->out_param
);
1411 err
= mac_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1412 vhcr
->in_param
, &vhcr
->out_param
);
1416 err
= vlan_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1417 vhcr
->in_param
, &vhcr
->out_param
);
1421 err
= counter_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1422 vhcr
->in_param
, &vhcr
->out_param
);
1426 err
= xrcdn_alloc_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1427 vhcr
->in_param
, &vhcr
->out_param
);
1438 static int qp_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1447 case RES_OP_RESERVE
:
1448 base
= get_param_l(&in_param
) & 0x7fffff;
1449 count
= get_param_h(&in_param
);
1450 err
= rem_res_range(dev
, slave
, base
, count
, RES_QP
, 0);
1453 __mlx4_qp_release_range(dev
, base
, count
);
1455 case RES_OP_MAP_ICM
:
1456 qpn
= get_param_l(&in_param
) & 0x7fffff;
1457 err
= qp_res_start_move_to(dev
, slave
, qpn
, RES_QP_RESERVED
,
1462 if (!valid_reserved(dev
, slave
, qpn
))
1463 __mlx4_qp_free_icm(dev
, qpn
);
1465 res_end_move(dev
, slave
, RES_QP
, qpn
);
1467 if (valid_reserved(dev
, slave
, qpn
))
1468 err
= rem_res_range(dev
, slave
, qpn
, 1, RES_QP
, 0);
1477 static int mtt_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1478 u64 in_param
, u64
*out_param
)
1484 if (op
!= RES_OP_RESERVE_AND_MAP
)
1487 base
= get_param_l(&in_param
);
1488 order
= get_param_h(&in_param
);
1489 err
= rem_res_range(dev
, slave
, base
, 1, RES_MTT
, order
);
1491 __mlx4_free_mtt_range(dev
, base
, order
);
1495 static int mpt_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1501 struct res_mpt
*mpt
;
1504 case RES_OP_RESERVE
:
1505 index
= get_param_l(&in_param
);
1506 id
= index
& mpt_mask(dev
);
1507 err
= get_res(dev
, slave
, id
, RES_MPT
, &mpt
);
1511 put_res(dev
, slave
, id
, RES_MPT
);
1513 err
= rem_res_range(dev
, slave
, id
, 1, RES_MPT
, 0);
1516 __mlx4_mr_release(dev
, index
);
1518 case RES_OP_MAP_ICM
:
1519 index
= get_param_l(&in_param
);
1520 id
= index
& mpt_mask(dev
);
1521 err
= mr_res_start_move_to(dev
, slave
, id
,
1522 RES_MPT_RESERVED
, &mpt
);
1526 __mlx4_mr_free_icm(dev
, mpt
->key
);
1527 res_end_move(dev
, slave
, RES_MPT
, id
);
1537 static int cq_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1538 u64 in_param
, u64
*out_param
)
1544 case RES_OP_RESERVE_AND_MAP
:
1545 cqn
= get_param_l(&in_param
);
1546 err
= rem_res_range(dev
, slave
, cqn
, 1, RES_CQ
, 0);
1550 __mlx4_cq_free_icm(dev
, cqn
);
1561 static int srq_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1562 u64 in_param
, u64
*out_param
)
1568 case RES_OP_RESERVE_AND_MAP
:
1569 srqn
= get_param_l(&in_param
);
1570 err
= rem_res_range(dev
, slave
, srqn
, 1, RES_SRQ
, 0);
1574 __mlx4_srq_free_icm(dev
, srqn
);
1585 static int mac_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1586 u64 in_param
, u64
*out_param
)
1592 case RES_OP_RESERVE_AND_MAP
:
1593 port
= get_param_l(out_param
);
1594 mac_del_from_slave(dev
, slave
, in_param
, port
);
1595 __mlx4_unregister_mac(dev
, port
, in_param
);
1606 static int vlan_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1607 u64 in_param
, u64
*out_param
)
1612 static int counter_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1613 u64 in_param
, u64
*out_param
)
1618 if (op
!= RES_OP_RESERVE
)
1621 index
= get_param_l(&in_param
);
1622 err
= rem_res_range(dev
, slave
, index
, 1, RES_COUNTER
, 0);
1626 __mlx4_counter_free(dev
, index
);
1631 static int xrcdn_free_res(struct mlx4_dev
*dev
, int slave
, int op
, int cmd
,
1632 u64 in_param
, u64
*out_param
)
1637 if (op
!= RES_OP_RESERVE
)
1640 xrcdn
= get_param_l(&in_param
);
1641 err
= rem_res_range(dev
, slave
, xrcdn
, 1, RES_XRCD
, 0);
1645 __mlx4_xrcd_free(dev
, xrcdn
);
1650 int mlx4_FREE_RES_wrapper(struct mlx4_dev
*dev
, int slave
,
1651 struct mlx4_vhcr
*vhcr
,
1652 struct mlx4_cmd_mailbox
*inbox
,
1653 struct mlx4_cmd_mailbox
*outbox
,
1654 struct mlx4_cmd_info
*cmd
)
1657 int alop
= vhcr
->op_modifier
;
1659 switch (vhcr
->in_modifier
) {
1661 err
= qp_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1666 err
= mtt_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1667 vhcr
->in_param
, &vhcr
->out_param
);
1671 err
= mpt_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1676 err
= cq_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1677 vhcr
->in_param
, &vhcr
->out_param
);
1681 err
= srq_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1682 vhcr
->in_param
, &vhcr
->out_param
);
1686 err
= mac_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1687 vhcr
->in_param
, &vhcr
->out_param
);
1691 err
= vlan_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1692 vhcr
->in_param
, &vhcr
->out_param
);
1696 err
= counter_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1697 vhcr
->in_param
, &vhcr
->out_param
);
1701 err
= xrcdn_free_res(dev
, slave
, vhcr
->op_modifier
, alop
,
1702 vhcr
->in_param
, &vhcr
->out_param
);
1710 /* ugly but other choices are uglier */
1711 static int mr_phys_mpt(struct mlx4_mpt_entry
*mpt
)
1713 return (be32_to_cpu(mpt
->flags
) >> 9) & 1;
1716 static int mr_get_mtt_addr(struct mlx4_mpt_entry
*mpt
)
1718 return (int)be64_to_cpu(mpt
->mtt_addr
) & 0xfffffff8;
1721 static int mr_get_mtt_size(struct mlx4_mpt_entry
*mpt
)
1723 return be32_to_cpu(mpt
->mtt_sz
);
1726 static int qp_get_mtt_addr(struct mlx4_qp_context
*qpc
)
1728 return be32_to_cpu(qpc
->mtt_base_addr_l
) & 0xfffffff8;
1731 static int srq_get_mtt_addr(struct mlx4_srq_context
*srqc
)
1733 return be32_to_cpu(srqc
->mtt_base_addr_l
) & 0xfffffff8;
1736 static int qp_get_mtt_size(struct mlx4_qp_context
*qpc
)
1738 int page_shift
= (qpc
->log_page_size
& 0x3f) + 12;
1739 int log_sq_size
= (qpc
->sq_size_stride
>> 3) & 0xf;
1740 int log_sq_sride
= qpc
->sq_size_stride
& 7;
1741 int log_rq_size
= (qpc
->rq_size_stride
>> 3) & 0xf;
1742 int log_rq_stride
= qpc
->rq_size_stride
& 7;
1743 int srq
= (be32_to_cpu(qpc
->srqn
) >> 24) & 1;
1744 int rss
= (be32_to_cpu(qpc
->flags
) >> 13) & 1;
1745 int xrc
= (be32_to_cpu(qpc
->local_qpn
) >> 23) & 1;
1750 int page_offset
= (be32_to_cpu(qpc
->params2
) >> 6) & 0x3f;
1752 sq_size
= 1 << (log_sq_size
+ log_sq_sride
+ 4);
1753 rq_size
= (srq
|rss
|xrc
) ? 0 : (1 << (log_rq_size
+ log_rq_stride
+ 4));
1754 total_mem
= sq_size
+ rq_size
;
1756 roundup_pow_of_two((total_mem
+ (page_offset
<< 6)) >>
1762 static int check_mtt_range(struct mlx4_dev
*dev
, int slave
, int start
,
1763 int size
, struct res_mtt
*mtt
)
1765 int res_start
= mtt
->com
.res_id
;
1766 int res_size
= (1 << mtt
->order
);
1768 if (start
< res_start
|| start
+ size
> res_start
+ res_size
)
1773 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev
*dev
, int slave
,
1774 struct mlx4_vhcr
*vhcr
,
1775 struct mlx4_cmd_mailbox
*inbox
,
1776 struct mlx4_cmd_mailbox
*outbox
,
1777 struct mlx4_cmd_info
*cmd
)
1780 int index
= vhcr
->in_modifier
;
1781 struct res_mtt
*mtt
;
1782 struct res_mpt
*mpt
;
1783 int mtt_base
= mr_get_mtt_addr(inbox
->buf
) / dev
->caps
.mtt_entry_sz
;
1787 id
= index
& mpt_mask(dev
);
1788 err
= mr_res_start_move_to(dev
, slave
, id
, RES_MPT_HW
, &mpt
);
1792 phys
= mr_phys_mpt(inbox
->buf
);
1794 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
1798 err
= check_mtt_range(dev
, slave
, mtt_base
,
1799 mr_get_mtt_size(inbox
->buf
), mtt
);
1806 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
1811 atomic_inc(&mtt
->ref_count
);
1812 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
1815 res_end_move(dev
, slave
, RES_MPT
, id
);
1820 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
1822 res_abort_move(dev
, slave
, RES_MPT
, id
);
1827 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev
*dev
, int slave
,
1828 struct mlx4_vhcr
*vhcr
,
1829 struct mlx4_cmd_mailbox
*inbox
,
1830 struct mlx4_cmd_mailbox
*outbox
,
1831 struct mlx4_cmd_info
*cmd
)
1834 int index
= vhcr
->in_modifier
;
1835 struct res_mpt
*mpt
;
1838 id
= index
& mpt_mask(dev
);
1839 err
= mr_res_start_move_to(dev
, slave
, id
, RES_MPT_MAPPED
, &mpt
);
1843 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
1848 atomic_dec(&mpt
->mtt
->ref_count
);
1850 res_end_move(dev
, slave
, RES_MPT
, id
);
1854 res_abort_move(dev
, slave
, RES_MPT
, id
);
1859 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev
*dev
, int slave
,
1860 struct mlx4_vhcr
*vhcr
,
1861 struct mlx4_cmd_mailbox
*inbox
,
1862 struct mlx4_cmd_mailbox
*outbox
,
1863 struct mlx4_cmd_info
*cmd
)
1866 int index
= vhcr
->in_modifier
;
1867 struct res_mpt
*mpt
;
1870 id
= index
& mpt_mask(dev
);
1871 err
= get_res(dev
, slave
, id
, RES_MPT
, &mpt
);
1875 if (mpt
->com
.from_state
!= RES_MPT_HW
) {
1880 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
1883 put_res(dev
, slave
, id
, RES_MPT
);
1887 static int qp_get_rcqn(struct mlx4_qp_context
*qpc
)
1889 return be32_to_cpu(qpc
->cqn_recv
) & 0xffffff;
1892 static int qp_get_scqn(struct mlx4_qp_context
*qpc
)
1894 return be32_to_cpu(qpc
->cqn_send
) & 0xffffff;
1897 static u32
qp_get_srqn(struct mlx4_qp_context
*qpc
)
1899 return be32_to_cpu(qpc
->srqn
) & 0x1ffffff;
1902 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev
*dev
, int slave
,
1903 struct mlx4_vhcr
*vhcr
,
1904 struct mlx4_cmd_mailbox
*inbox
,
1905 struct mlx4_cmd_mailbox
*outbox
,
1906 struct mlx4_cmd_info
*cmd
)
1909 int qpn
= vhcr
->in_modifier
& 0x7fffff;
1910 struct res_mtt
*mtt
;
1912 struct mlx4_qp_context
*qpc
= inbox
->buf
+ 8;
1913 int mtt_base
= qp_get_mtt_addr(qpc
) / dev
->caps
.mtt_entry_sz
;
1914 int mtt_size
= qp_get_mtt_size(qpc
);
1917 int rcqn
= qp_get_rcqn(qpc
);
1918 int scqn
= qp_get_scqn(qpc
);
1919 u32 srqn
= qp_get_srqn(qpc
) & 0xffffff;
1920 int use_srq
= (qp_get_srqn(qpc
) >> 24) & 1;
1921 struct res_srq
*srq
;
1922 int local_qpn
= be32_to_cpu(qpc
->local_qpn
) & 0xffffff;
1924 err
= qp_res_start_move_to(dev
, slave
, qpn
, RES_QP_HW
, &qp
, 0);
1927 qp
->local_qpn
= local_qpn
;
1929 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
1933 err
= check_mtt_range(dev
, slave
, mtt_base
, mtt_size
, mtt
);
1937 err
= get_res(dev
, slave
, rcqn
, RES_CQ
, &rcq
);
1942 err
= get_res(dev
, slave
, scqn
, RES_CQ
, &scq
);
1949 err
= get_res(dev
, slave
, srqn
, RES_SRQ
, &srq
);
1954 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
1957 atomic_inc(&mtt
->ref_count
);
1959 atomic_inc(&rcq
->ref_count
);
1961 atomic_inc(&scq
->ref_count
);
1965 put_res(dev
, slave
, scqn
, RES_CQ
);
1968 atomic_inc(&srq
->ref_count
);
1969 put_res(dev
, slave
, srqn
, RES_SRQ
);
1972 put_res(dev
, slave
, rcqn
, RES_CQ
);
1973 put_res(dev
, slave
, mtt_base
, RES_MTT
);
1974 res_end_move(dev
, slave
, RES_QP
, qpn
);
1980 put_res(dev
, slave
, srqn
, RES_SRQ
);
1983 put_res(dev
, slave
, scqn
, RES_CQ
);
1985 put_res(dev
, slave
, rcqn
, RES_CQ
);
1987 put_res(dev
, slave
, mtt_base
, RES_MTT
);
1989 res_abort_move(dev
, slave
, RES_QP
, qpn
);
1994 static int eq_get_mtt_addr(struct mlx4_eq_context
*eqc
)
1996 return be32_to_cpu(eqc
->mtt_base_addr_l
) & 0xfffffff8;
1999 static int eq_get_mtt_size(struct mlx4_eq_context
*eqc
)
2001 int log_eq_size
= eqc
->log_eq_size
& 0x1f;
2002 int page_shift
= (eqc
->log_page_size
& 0x3f) + 12;
2004 if (log_eq_size
+ 5 < page_shift
)
2007 return 1 << (log_eq_size
+ 5 - page_shift
);
2010 static int cq_get_mtt_addr(struct mlx4_cq_context
*cqc
)
2012 return be32_to_cpu(cqc
->mtt_base_addr_l
) & 0xfffffff8;
2015 static int cq_get_mtt_size(struct mlx4_cq_context
*cqc
)
2017 int log_cq_size
= (be32_to_cpu(cqc
->logsize_usrpage
) >> 24) & 0x1f;
2018 int page_shift
= (cqc
->log_page_size
& 0x3f) + 12;
2020 if (log_cq_size
+ 5 < page_shift
)
2023 return 1 << (log_cq_size
+ 5 - page_shift
);
2026 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2027 struct mlx4_vhcr
*vhcr
,
2028 struct mlx4_cmd_mailbox
*inbox
,
2029 struct mlx4_cmd_mailbox
*outbox
,
2030 struct mlx4_cmd_info
*cmd
)
2033 int eqn
= vhcr
->in_modifier
;
2034 int res_id
= (slave
<< 8) | eqn
;
2035 struct mlx4_eq_context
*eqc
= inbox
->buf
;
2036 int mtt_base
= eq_get_mtt_addr(eqc
) / dev
->caps
.mtt_entry_sz
;
2037 int mtt_size
= eq_get_mtt_size(eqc
);
2039 struct res_mtt
*mtt
;
2041 err
= add_res_range(dev
, slave
, res_id
, 1, RES_EQ
, 0);
2044 err
= eq_res_start_move_to(dev
, slave
, res_id
, RES_EQ_HW
, &eq
);
2048 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
2052 err
= check_mtt_range(dev
, slave
, mtt_base
, mtt_size
, mtt
);
2056 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2060 atomic_inc(&mtt
->ref_count
);
2062 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2063 res_end_move(dev
, slave
, RES_EQ
, res_id
);
2067 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2069 res_abort_move(dev
, slave
, RES_EQ
, res_id
);
2071 rem_res_range(dev
, slave
, res_id
, 1, RES_EQ
, 0);
2075 static int get_containing_mtt(struct mlx4_dev
*dev
, int slave
, int start
,
2076 int len
, struct res_mtt
**res
)
2078 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2079 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
2080 struct res_mtt
*mtt
;
2083 spin_lock_irq(mlx4_tlock(dev
));
2084 list_for_each_entry(mtt
, &tracker
->slave_list
[slave
].res_list
[RES_MTT
],
2086 if (!check_mtt_range(dev
, slave
, start
, len
, mtt
)) {
2088 mtt
->com
.from_state
= mtt
->com
.state
;
2089 mtt
->com
.state
= RES_MTT_BUSY
;
2094 spin_unlock_irq(mlx4_tlock(dev
));
2099 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev
*dev
, int slave
,
2100 struct mlx4_vhcr
*vhcr
,
2101 struct mlx4_cmd_mailbox
*inbox
,
2102 struct mlx4_cmd_mailbox
*outbox
,
2103 struct mlx4_cmd_info
*cmd
)
2105 struct mlx4_mtt mtt
;
2106 __be64
*page_list
= inbox
->buf
;
2107 u64
*pg_list
= (u64
*)page_list
;
2109 struct res_mtt
*rmtt
= NULL
;
2110 int start
= be64_to_cpu(page_list
[0]);
2111 int npages
= vhcr
->in_modifier
;
2114 err
= get_containing_mtt(dev
, slave
, start
, npages
, &rmtt
);
2118 /* Call the SW implementation of write_mtt:
2119 * - Prepare a dummy mtt struct
2120 * - Translate inbox contents to simple addresses in host endianess */
2121 mtt
.offset
= 0; /* TBD this is broken but I don't handle it since
2122 we don't really use it */
2125 for (i
= 0; i
< npages
; ++i
)
2126 pg_list
[i
+ 2] = (be64_to_cpu(page_list
[i
+ 2]) & ~1ULL);
2128 err
= __mlx4_write_mtt(dev
, &mtt
, be64_to_cpu(page_list
[0]), npages
,
2129 ((u64
*)page_list
+ 2));
2132 put_res(dev
, slave
, rmtt
->com
.res_id
, RES_MTT
);
2137 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2138 struct mlx4_vhcr
*vhcr
,
2139 struct mlx4_cmd_mailbox
*inbox
,
2140 struct mlx4_cmd_mailbox
*outbox
,
2141 struct mlx4_cmd_info
*cmd
)
2143 int eqn
= vhcr
->in_modifier
;
2144 int res_id
= eqn
| (slave
<< 8);
2148 err
= eq_res_start_move_to(dev
, slave
, res_id
, RES_EQ_RESERVED
, &eq
);
2152 err
= get_res(dev
, slave
, eq
->mtt
->com
.res_id
, RES_MTT
, NULL
);
2156 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2160 atomic_dec(&eq
->mtt
->ref_count
);
2161 put_res(dev
, slave
, eq
->mtt
->com
.res_id
, RES_MTT
);
2162 res_end_move(dev
, slave
, RES_EQ
, res_id
);
2163 rem_res_range(dev
, slave
, res_id
, 1, RES_EQ
, 0);
2168 put_res(dev
, slave
, eq
->mtt
->com
.res_id
, RES_MTT
);
2170 res_abort_move(dev
, slave
, RES_EQ
, res_id
);
2175 int mlx4_GEN_EQE(struct mlx4_dev
*dev
, int slave
, struct mlx4_eqe
*eqe
)
2177 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2178 struct mlx4_slave_event_eq_info
*event_eq
;
2179 struct mlx4_cmd_mailbox
*mailbox
;
2180 u32 in_modifier
= 0;
2185 if (!priv
->mfunc
.master
.slave_state
)
2188 event_eq
= &priv
->mfunc
.master
.slave_state
[slave
].event_eq
[eqe
->type
];
2190 /* Create the event only if the slave is registered */
2191 if (event_eq
->eqn
< 0)
2194 mutex_lock(&priv
->mfunc
.master
.gen_eqe_mutex
[slave
]);
2195 res_id
= (slave
<< 8) | event_eq
->eqn
;
2196 err
= get_res(dev
, slave
, res_id
, RES_EQ
, &req
);
2200 if (req
->com
.from_state
!= RES_EQ_HW
) {
2205 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
2206 if (IS_ERR(mailbox
)) {
2207 err
= PTR_ERR(mailbox
);
2211 if (eqe
->type
== MLX4_EVENT_TYPE_CMD
) {
2213 eqe
->event
.cmd
.token
= cpu_to_be16(event_eq
->token
);
2216 memcpy(mailbox
->buf
, (u8
*) eqe
, 28);
2218 in_modifier
= (slave
& 0xff) | ((event_eq
->eqn
& 0xff) << 16);
2220 err
= mlx4_cmd(dev
, mailbox
->dma
, in_modifier
, 0,
2221 MLX4_CMD_GEN_EQE
, MLX4_CMD_TIME_CLASS_B
,
2224 put_res(dev
, slave
, res_id
, RES_EQ
);
2225 mutex_unlock(&priv
->mfunc
.master
.gen_eqe_mutex
[slave
]);
2226 mlx4_free_cmd_mailbox(dev
, mailbox
);
2230 put_res(dev
, slave
, res_id
, RES_EQ
);
2233 mutex_unlock(&priv
->mfunc
.master
.gen_eqe_mutex
[slave
]);
2237 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2238 struct mlx4_vhcr
*vhcr
,
2239 struct mlx4_cmd_mailbox
*inbox
,
2240 struct mlx4_cmd_mailbox
*outbox
,
2241 struct mlx4_cmd_info
*cmd
)
2243 int eqn
= vhcr
->in_modifier
;
2244 int res_id
= eqn
| (slave
<< 8);
2248 err
= get_res(dev
, slave
, res_id
, RES_EQ
, &eq
);
2252 if (eq
->com
.from_state
!= RES_EQ_HW
) {
2257 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2260 put_res(dev
, slave
, res_id
, RES_EQ
);
2264 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2265 struct mlx4_vhcr
*vhcr
,
2266 struct mlx4_cmd_mailbox
*inbox
,
2267 struct mlx4_cmd_mailbox
*outbox
,
2268 struct mlx4_cmd_info
*cmd
)
2271 int cqn
= vhcr
->in_modifier
;
2272 struct mlx4_cq_context
*cqc
= inbox
->buf
;
2273 int mtt_base
= cq_get_mtt_addr(cqc
) / dev
->caps
.mtt_entry_sz
;
2275 struct res_mtt
*mtt
;
2277 err
= cq_res_start_move_to(dev
, slave
, cqn
, RES_CQ_HW
, &cq
);
2280 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
2283 err
= check_mtt_range(dev
, slave
, mtt_base
, cq_get_mtt_size(cqc
), mtt
);
2286 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2289 atomic_inc(&mtt
->ref_count
);
2291 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2292 res_end_move(dev
, slave
, RES_CQ
, cqn
);
2296 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2298 res_abort_move(dev
, slave
, RES_CQ
, cqn
);
2302 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2303 struct mlx4_vhcr
*vhcr
,
2304 struct mlx4_cmd_mailbox
*inbox
,
2305 struct mlx4_cmd_mailbox
*outbox
,
2306 struct mlx4_cmd_info
*cmd
)
2309 int cqn
= vhcr
->in_modifier
;
2312 err
= cq_res_start_move_to(dev
, slave
, cqn
, RES_CQ_ALLOCATED
, &cq
);
2315 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2318 atomic_dec(&cq
->mtt
->ref_count
);
2319 res_end_move(dev
, slave
, RES_CQ
, cqn
);
2323 res_abort_move(dev
, slave
, RES_CQ
, cqn
);
2327 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2328 struct mlx4_vhcr
*vhcr
,
2329 struct mlx4_cmd_mailbox
*inbox
,
2330 struct mlx4_cmd_mailbox
*outbox
,
2331 struct mlx4_cmd_info
*cmd
)
2333 int cqn
= vhcr
->in_modifier
;
2337 err
= get_res(dev
, slave
, cqn
, RES_CQ
, &cq
);
2341 if (cq
->com
.from_state
!= RES_CQ_HW
)
2344 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2346 put_res(dev
, slave
, cqn
, RES_CQ
);
2351 static int handle_resize(struct mlx4_dev
*dev
, int slave
,
2352 struct mlx4_vhcr
*vhcr
,
2353 struct mlx4_cmd_mailbox
*inbox
,
2354 struct mlx4_cmd_mailbox
*outbox
,
2355 struct mlx4_cmd_info
*cmd
,
2359 struct res_mtt
*orig_mtt
;
2360 struct res_mtt
*mtt
;
2361 struct mlx4_cq_context
*cqc
= inbox
->buf
;
2362 int mtt_base
= cq_get_mtt_addr(cqc
) / dev
->caps
.mtt_entry_sz
;
2364 err
= get_res(dev
, slave
, cq
->mtt
->com
.res_id
, RES_MTT
, &orig_mtt
);
2368 if (orig_mtt
!= cq
->mtt
) {
2373 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
2377 err
= check_mtt_range(dev
, slave
, mtt_base
, cq_get_mtt_size(cqc
), mtt
);
2380 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2383 atomic_dec(&orig_mtt
->ref_count
);
2384 put_res(dev
, slave
, orig_mtt
->com
.res_id
, RES_MTT
);
2385 atomic_inc(&mtt
->ref_count
);
2387 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2391 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2393 put_res(dev
, slave
, orig_mtt
->com
.res_id
, RES_MTT
);
2399 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2400 struct mlx4_vhcr
*vhcr
,
2401 struct mlx4_cmd_mailbox
*inbox
,
2402 struct mlx4_cmd_mailbox
*outbox
,
2403 struct mlx4_cmd_info
*cmd
)
2405 int cqn
= vhcr
->in_modifier
;
2409 err
= get_res(dev
, slave
, cqn
, RES_CQ
, &cq
);
2413 if (cq
->com
.from_state
!= RES_CQ_HW
)
2416 if (vhcr
->op_modifier
== 0) {
2417 err
= handle_resize(dev
, slave
, vhcr
, inbox
, outbox
, cmd
, cq
);
2421 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2423 put_res(dev
, slave
, cqn
, RES_CQ
);
2428 static int srq_get_mtt_size(struct mlx4_srq_context
*srqc
)
2430 int log_srq_size
= (be32_to_cpu(srqc
->state_logsize_srqn
) >> 24) & 0xf;
2431 int log_rq_stride
= srqc
->logstride
& 7;
2432 int page_shift
= (srqc
->log_page_size
& 0x3f) + 12;
2434 if (log_srq_size
+ log_rq_stride
+ 4 < page_shift
)
2437 return 1 << (log_srq_size
+ log_rq_stride
+ 4 - page_shift
);
2440 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2441 struct mlx4_vhcr
*vhcr
,
2442 struct mlx4_cmd_mailbox
*inbox
,
2443 struct mlx4_cmd_mailbox
*outbox
,
2444 struct mlx4_cmd_info
*cmd
)
2447 int srqn
= vhcr
->in_modifier
;
2448 struct res_mtt
*mtt
;
2449 struct res_srq
*srq
;
2450 struct mlx4_srq_context
*srqc
= inbox
->buf
;
2451 int mtt_base
= srq_get_mtt_addr(srqc
) / dev
->caps
.mtt_entry_sz
;
2453 if (srqn
!= (be32_to_cpu(srqc
->state_logsize_srqn
) & 0xffffff))
2456 err
= srq_res_start_move_to(dev
, slave
, srqn
, RES_SRQ_HW
, &srq
);
2459 err
= get_res(dev
, slave
, mtt_base
, RES_MTT
, &mtt
);
2462 err
= check_mtt_range(dev
, slave
, mtt_base
, srq_get_mtt_size(srqc
),
2467 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2471 atomic_inc(&mtt
->ref_count
);
2473 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2474 res_end_move(dev
, slave
, RES_SRQ
, srqn
);
2478 put_res(dev
, slave
, mtt
->com
.res_id
, RES_MTT
);
2480 res_abort_move(dev
, slave
, RES_SRQ
, srqn
);
2485 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2486 struct mlx4_vhcr
*vhcr
,
2487 struct mlx4_cmd_mailbox
*inbox
,
2488 struct mlx4_cmd_mailbox
*outbox
,
2489 struct mlx4_cmd_info
*cmd
)
2492 int srqn
= vhcr
->in_modifier
;
2493 struct res_srq
*srq
;
2495 err
= srq_res_start_move_to(dev
, slave
, srqn
, RES_SRQ_ALLOCATED
, &srq
);
2498 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2501 atomic_dec(&srq
->mtt
->ref_count
);
2503 atomic_dec(&srq
->cq
->ref_count
);
2504 res_end_move(dev
, slave
, RES_SRQ
, srqn
);
2509 res_abort_move(dev
, slave
, RES_SRQ
, srqn
);
2514 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2515 struct mlx4_vhcr
*vhcr
,
2516 struct mlx4_cmd_mailbox
*inbox
,
2517 struct mlx4_cmd_mailbox
*outbox
,
2518 struct mlx4_cmd_info
*cmd
)
2521 int srqn
= vhcr
->in_modifier
;
2522 struct res_srq
*srq
;
2524 err
= get_res(dev
, slave
, srqn
, RES_SRQ
, &srq
);
2527 if (srq
->com
.from_state
!= RES_SRQ_HW
) {
2531 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2533 put_res(dev
, slave
, srqn
, RES_SRQ
);
2537 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev
*dev
, int slave
,
2538 struct mlx4_vhcr
*vhcr
,
2539 struct mlx4_cmd_mailbox
*inbox
,
2540 struct mlx4_cmd_mailbox
*outbox
,
2541 struct mlx4_cmd_info
*cmd
)
2544 int srqn
= vhcr
->in_modifier
;
2545 struct res_srq
*srq
;
2547 err
= get_res(dev
, slave
, srqn
, RES_SRQ
, &srq
);
2551 if (srq
->com
.from_state
!= RES_SRQ_HW
) {
2556 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2558 put_res(dev
, slave
, srqn
, RES_SRQ
);
2562 int mlx4_GEN_QP_wrapper(struct mlx4_dev
*dev
, int slave
,
2563 struct mlx4_vhcr
*vhcr
,
2564 struct mlx4_cmd_mailbox
*inbox
,
2565 struct mlx4_cmd_mailbox
*outbox
,
2566 struct mlx4_cmd_info
*cmd
)
2569 int qpn
= vhcr
->in_modifier
& 0x7fffff;
2572 err
= get_res(dev
, slave
, qpn
, RES_QP
, &qp
);
2575 if (qp
->com
.from_state
!= RES_QP_HW
) {
2580 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2582 put_res(dev
, slave
, qpn
, RES_QP
);
2586 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev
*dev
, int slave
,
2587 struct mlx4_vhcr
*vhcr
,
2588 struct mlx4_cmd_mailbox
*inbox
,
2589 struct mlx4_cmd_mailbox
*outbox
,
2590 struct mlx4_cmd_info
*cmd
)
2592 struct mlx4_qp_context
*qpc
= inbox
->buf
+ 8;
2594 update_ud_gid(dev
, qpc
, (u8
)slave
);
2596 return mlx4_GEN_QP_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2599 int mlx4_2RST_QP_wrapper(struct mlx4_dev
*dev
, int slave
,
2600 struct mlx4_vhcr
*vhcr
,
2601 struct mlx4_cmd_mailbox
*inbox
,
2602 struct mlx4_cmd_mailbox
*outbox
,
2603 struct mlx4_cmd_info
*cmd
)
2606 int qpn
= vhcr
->in_modifier
& 0x7fffff;
2609 err
= qp_res_start_move_to(dev
, slave
, qpn
, RES_QP_MAPPED
, &qp
, 0);
2612 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2616 atomic_dec(&qp
->mtt
->ref_count
);
2617 atomic_dec(&qp
->rcq
->ref_count
);
2618 atomic_dec(&qp
->scq
->ref_count
);
2620 atomic_dec(&qp
->srq
->ref_count
);
2621 res_end_move(dev
, slave
, RES_QP
, qpn
);
2625 res_abort_move(dev
, slave
, RES_QP
, qpn
);
2630 static struct res_gid
*find_gid(struct mlx4_dev
*dev
, int slave
,
2631 struct res_qp
*rqp
, u8
*gid
)
2633 struct res_gid
*res
;
2635 list_for_each_entry(res
, &rqp
->mcg_list
, list
) {
2636 if (!memcmp(res
->gid
, gid
, 16))
2642 static int add_mcg_res(struct mlx4_dev
*dev
, int slave
, struct res_qp
*rqp
,
2643 u8
*gid
, enum mlx4_protocol prot
,
2644 enum mlx4_steer_type steer
)
2646 struct res_gid
*res
;
2649 res
= kzalloc(sizeof *res
, GFP_KERNEL
);
2653 spin_lock_irq(&rqp
->mcg_spl
);
2654 if (find_gid(dev
, slave
, rqp
, gid
)) {
2658 memcpy(res
->gid
, gid
, 16);
2661 list_add_tail(&res
->list
, &rqp
->mcg_list
);
2664 spin_unlock_irq(&rqp
->mcg_spl
);
2669 static int rem_mcg_res(struct mlx4_dev
*dev
, int slave
, struct res_qp
*rqp
,
2670 u8
*gid
, enum mlx4_protocol prot
,
2671 enum mlx4_steer_type steer
)
2673 struct res_gid
*res
;
2676 spin_lock_irq(&rqp
->mcg_spl
);
2677 res
= find_gid(dev
, slave
, rqp
, gid
);
2678 if (!res
|| res
->prot
!= prot
|| res
->steer
!= steer
)
2681 list_del(&res
->list
);
2685 spin_unlock_irq(&rqp
->mcg_spl
);
2690 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev
*dev
, int slave
,
2691 struct mlx4_vhcr
*vhcr
,
2692 struct mlx4_cmd_mailbox
*inbox
,
2693 struct mlx4_cmd_mailbox
*outbox
,
2694 struct mlx4_cmd_info
*cmd
)
2696 struct mlx4_qp qp
; /* dummy for calling attach/detach */
2697 u8
*gid
= inbox
->buf
;
2698 enum mlx4_protocol prot
= (vhcr
->in_modifier
>> 28) & 0x7;
2702 int attach
= vhcr
->op_modifier
;
2703 int block_loopback
= vhcr
->in_modifier
>> 31;
2704 u8 steer_type_mask
= 2;
2705 enum mlx4_steer_type type
= (gid
[7] & steer_type_mask
) >> 1;
2707 qpn
= vhcr
->in_modifier
& 0xffffff;
2708 err
= get_res(dev
, slave
, qpn
, RES_QP
, &rqp
);
2714 err
= add_mcg_res(dev
, slave
, rqp
, gid
, prot
, type
);
2718 err
= mlx4_qp_attach_common(dev
, &qp
, gid
,
2719 block_loopback
, prot
, type
);
2723 err
= rem_mcg_res(dev
, slave
, rqp
, gid
, prot
, type
);
2726 err
= mlx4_qp_detach_common(dev
, &qp
, gid
, prot
, type
);
2729 put_res(dev
, slave
, qpn
, RES_QP
);
2733 /* ignore error return below, already in error */
2734 (void) rem_mcg_res(dev
, slave
, rqp
, gid
, prot
, type
);
2736 put_res(dev
, slave
, qpn
, RES_QP
);
2741 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev
*dev
, int slave
,
2742 struct mlx4_vhcr
*vhcr
,
2743 struct mlx4_cmd_mailbox
*inbox
,
2744 struct mlx4_cmd_mailbox
*outbox
,
2745 struct mlx4_cmd_info
*cmd
)
2747 return mlx4_cmd_imm(dev
, inbox
->dma
, &vhcr
->out_param
,
2748 vhcr
->in_modifier
, 0,
2749 MLX4_QP_FLOW_STEERING_ATTACH
,
2750 MLX4_CMD_TIME_CLASS_A
,
2754 int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev
*dev
, int slave
,
2755 struct mlx4_vhcr
*vhcr
,
2756 struct mlx4_cmd_mailbox
*inbox
,
2757 struct mlx4_cmd_mailbox
*outbox
,
2758 struct mlx4_cmd_info
*cmd
)
2760 return mlx4_cmd(dev
, vhcr
->in_param
, 0, 0,
2761 MLX4_QP_FLOW_STEERING_DETACH
, MLX4_CMD_TIME_CLASS_A
,
2766 BUSY_MAX_RETRIES
= 10
2769 int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev
*dev
, int slave
,
2770 struct mlx4_vhcr
*vhcr
,
2771 struct mlx4_cmd_mailbox
*inbox
,
2772 struct mlx4_cmd_mailbox
*outbox
,
2773 struct mlx4_cmd_info
*cmd
)
2776 int index
= vhcr
->in_modifier
& 0xffff;
2778 err
= get_res(dev
, slave
, index
, RES_COUNTER
, NULL
);
2782 err
= mlx4_DMA_wrapper(dev
, slave
, vhcr
, inbox
, outbox
, cmd
);
2783 put_res(dev
, slave
, index
, RES_COUNTER
);
2787 static void detach_qp(struct mlx4_dev
*dev
, int slave
, struct res_qp
*rqp
)
2789 struct res_gid
*rgid
;
2790 struct res_gid
*tmp
;
2791 struct mlx4_qp qp
; /* dummy for calling attach/detach */
2793 list_for_each_entry_safe(rgid
, tmp
, &rqp
->mcg_list
, list
) {
2794 qp
.qpn
= rqp
->local_qpn
;
2795 (void) mlx4_qp_detach_common(dev
, &qp
, rgid
->gid
, rgid
->prot
,
2797 list_del(&rgid
->list
);
2802 static int _move_all_busy(struct mlx4_dev
*dev
, int slave
,
2803 enum mlx4_resource type
, int print
)
2805 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2806 struct mlx4_resource_tracker
*tracker
=
2807 &priv
->mfunc
.master
.res_tracker
;
2808 struct list_head
*rlist
= &tracker
->slave_list
[slave
].res_list
[type
];
2809 struct res_common
*r
;
2810 struct res_common
*tmp
;
2814 spin_lock_irq(mlx4_tlock(dev
));
2815 list_for_each_entry_safe(r
, tmp
, rlist
, list
) {
2816 if (r
->owner
== slave
) {
2818 if (r
->state
== RES_ANY_BUSY
) {
2821 "%s id 0x%llx is busy\n",
2826 r
->from_state
= r
->state
;
2827 r
->state
= RES_ANY_BUSY
;
2833 spin_unlock_irq(mlx4_tlock(dev
));
2838 static int move_all_busy(struct mlx4_dev
*dev
, int slave
,
2839 enum mlx4_resource type
)
2841 unsigned long begin
;
2846 busy
= _move_all_busy(dev
, slave
, type
, 0);
2847 if (time_after(jiffies
, begin
+ 5 * HZ
))
2854 busy
= _move_all_busy(dev
, slave
, type
, 1);
2858 static void rem_slave_qps(struct mlx4_dev
*dev
, int slave
)
2860 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2861 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
2862 struct list_head
*qp_list
=
2863 &tracker
->slave_list
[slave
].res_list
[RES_QP
];
2871 err
= move_all_busy(dev
, slave
, RES_QP
);
2873 mlx4_warn(dev
, "rem_slave_qps: Could not move all qps to busy"
2874 "for slave %d\n", slave
);
2876 spin_lock_irq(mlx4_tlock(dev
));
2877 list_for_each_entry_safe(qp
, tmp
, qp_list
, com
.list
) {
2878 spin_unlock_irq(mlx4_tlock(dev
));
2879 if (qp
->com
.owner
== slave
) {
2880 qpn
= qp
->com
.res_id
;
2881 detach_qp(dev
, slave
, qp
);
2882 state
= qp
->com
.from_state
;
2883 while (state
!= 0) {
2885 case RES_QP_RESERVED
:
2886 spin_lock_irq(mlx4_tlock(dev
));
2887 rb_erase(&qp
->com
.node
,
2888 &tracker
->res_tree
[RES_QP
]);
2889 list_del(&qp
->com
.list
);
2890 spin_unlock_irq(mlx4_tlock(dev
));
2895 if (!valid_reserved(dev
, slave
, qpn
))
2896 __mlx4_qp_free_icm(dev
, qpn
);
2897 state
= RES_QP_RESERVED
;
2901 err
= mlx4_cmd(dev
, in_param
,
2904 MLX4_CMD_TIME_CLASS_A
,
2907 mlx4_dbg(dev
, "rem_slave_qps: failed"
2908 " to move slave %d qpn %d to"
2911 atomic_dec(&qp
->rcq
->ref_count
);
2912 atomic_dec(&qp
->scq
->ref_count
);
2913 atomic_dec(&qp
->mtt
->ref_count
);
2915 atomic_dec(&qp
->srq
->ref_count
);
2916 state
= RES_QP_MAPPED
;
2923 spin_lock_irq(mlx4_tlock(dev
));
2925 spin_unlock_irq(mlx4_tlock(dev
));
2928 static void rem_slave_srqs(struct mlx4_dev
*dev
, int slave
)
2930 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2931 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
2932 struct list_head
*srq_list
=
2933 &tracker
->slave_list
[slave
].res_list
[RES_SRQ
];
2934 struct res_srq
*srq
;
2935 struct res_srq
*tmp
;
2942 err
= move_all_busy(dev
, slave
, RES_SRQ
);
2944 mlx4_warn(dev
, "rem_slave_srqs: Could not move all srqs to "
2945 "busy for slave %d\n", slave
);
2947 spin_lock_irq(mlx4_tlock(dev
));
2948 list_for_each_entry_safe(srq
, tmp
, srq_list
, com
.list
) {
2949 spin_unlock_irq(mlx4_tlock(dev
));
2950 if (srq
->com
.owner
== slave
) {
2951 srqn
= srq
->com
.res_id
;
2952 state
= srq
->com
.from_state
;
2953 while (state
!= 0) {
2955 case RES_SRQ_ALLOCATED
:
2956 __mlx4_srq_free_icm(dev
, srqn
);
2957 spin_lock_irq(mlx4_tlock(dev
));
2958 rb_erase(&srq
->com
.node
,
2959 &tracker
->res_tree
[RES_SRQ
]);
2960 list_del(&srq
->com
.list
);
2961 spin_unlock_irq(mlx4_tlock(dev
));
2968 err
= mlx4_cmd(dev
, in_param
, srqn
, 1,
2970 MLX4_CMD_TIME_CLASS_A
,
2973 mlx4_dbg(dev
, "rem_slave_srqs: failed"
2974 " to move slave %d srq %d to"
2978 atomic_dec(&srq
->mtt
->ref_count
);
2980 atomic_dec(&srq
->cq
->ref_count
);
2981 state
= RES_SRQ_ALLOCATED
;
2989 spin_lock_irq(mlx4_tlock(dev
));
2991 spin_unlock_irq(mlx4_tlock(dev
));
2994 static void rem_slave_cqs(struct mlx4_dev
*dev
, int slave
)
2996 struct mlx4_priv
*priv
= mlx4_priv(dev
);
2997 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
2998 struct list_head
*cq_list
=
2999 &tracker
->slave_list
[slave
].res_list
[RES_CQ
];
3008 err
= move_all_busy(dev
, slave
, RES_CQ
);
3010 mlx4_warn(dev
, "rem_slave_cqs: Could not move all cqs to "
3011 "busy for slave %d\n", slave
);
3013 spin_lock_irq(mlx4_tlock(dev
));
3014 list_for_each_entry_safe(cq
, tmp
, cq_list
, com
.list
) {
3015 spin_unlock_irq(mlx4_tlock(dev
));
3016 if (cq
->com
.owner
== slave
&& !atomic_read(&cq
->ref_count
)) {
3017 cqn
= cq
->com
.res_id
;
3018 state
= cq
->com
.from_state
;
3019 while (state
!= 0) {
3021 case RES_CQ_ALLOCATED
:
3022 __mlx4_cq_free_icm(dev
, cqn
);
3023 spin_lock_irq(mlx4_tlock(dev
));
3024 rb_erase(&cq
->com
.node
,
3025 &tracker
->res_tree
[RES_CQ
]);
3026 list_del(&cq
->com
.list
);
3027 spin_unlock_irq(mlx4_tlock(dev
));
3034 err
= mlx4_cmd(dev
, in_param
, cqn
, 1,
3036 MLX4_CMD_TIME_CLASS_A
,
3039 mlx4_dbg(dev
, "rem_slave_cqs: failed"
3040 " to move slave %d cq %d to"
3043 atomic_dec(&cq
->mtt
->ref_count
);
3044 state
= RES_CQ_ALLOCATED
;
3052 spin_lock_irq(mlx4_tlock(dev
));
3054 spin_unlock_irq(mlx4_tlock(dev
));
3057 static void rem_slave_mrs(struct mlx4_dev
*dev
, int slave
)
3059 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3060 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
3061 struct list_head
*mpt_list
=
3062 &tracker
->slave_list
[slave
].res_list
[RES_MPT
];
3063 struct res_mpt
*mpt
;
3064 struct res_mpt
*tmp
;
3071 err
= move_all_busy(dev
, slave
, RES_MPT
);
3073 mlx4_warn(dev
, "rem_slave_mrs: Could not move all mpts to "
3074 "busy for slave %d\n", slave
);
3076 spin_lock_irq(mlx4_tlock(dev
));
3077 list_for_each_entry_safe(mpt
, tmp
, mpt_list
, com
.list
) {
3078 spin_unlock_irq(mlx4_tlock(dev
));
3079 if (mpt
->com
.owner
== slave
) {
3080 mptn
= mpt
->com
.res_id
;
3081 state
= mpt
->com
.from_state
;
3082 while (state
!= 0) {
3084 case RES_MPT_RESERVED
:
3085 __mlx4_mr_release(dev
, mpt
->key
);
3086 spin_lock_irq(mlx4_tlock(dev
));
3087 rb_erase(&mpt
->com
.node
,
3088 &tracker
->res_tree
[RES_MPT
]);
3089 list_del(&mpt
->com
.list
);
3090 spin_unlock_irq(mlx4_tlock(dev
));
3095 case RES_MPT_MAPPED
:
3096 __mlx4_mr_free_icm(dev
, mpt
->key
);
3097 state
= RES_MPT_RESERVED
;
3102 err
= mlx4_cmd(dev
, in_param
, mptn
, 0,
3104 MLX4_CMD_TIME_CLASS_A
,
3107 mlx4_dbg(dev
, "rem_slave_mrs: failed"
3108 " to move slave %d mpt %d to"
3112 atomic_dec(&mpt
->mtt
->ref_count
);
3113 state
= RES_MPT_MAPPED
;
3120 spin_lock_irq(mlx4_tlock(dev
));
3122 spin_unlock_irq(mlx4_tlock(dev
));
3125 static void rem_slave_mtts(struct mlx4_dev
*dev
, int slave
)
3127 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3128 struct mlx4_resource_tracker
*tracker
=
3129 &priv
->mfunc
.master
.res_tracker
;
3130 struct list_head
*mtt_list
=
3131 &tracker
->slave_list
[slave
].res_list
[RES_MTT
];
3132 struct res_mtt
*mtt
;
3133 struct res_mtt
*tmp
;
3139 err
= move_all_busy(dev
, slave
, RES_MTT
);
3141 mlx4_warn(dev
, "rem_slave_mtts: Could not move all mtts to "
3142 "busy for slave %d\n", slave
);
3144 spin_lock_irq(mlx4_tlock(dev
));
3145 list_for_each_entry_safe(mtt
, tmp
, mtt_list
, com
.list
) {
3146 spin_unlock_irq(mlx4_tlock(dev
));
3147 if (mtt
->com
.owner
== slave
) {
3148 base
= mtt
->com
.res_id
;
3149 state
= mtt
->com
.from_state
;
3150 while (state
!= 0) {
3152 case RES_MTT_ALLOCATED
:
3153 __mlx4_free_mtt_range(dev
, base
,
3155 spin_lock_irq(mlx4_tlock(dev
));
3156 rb_erase(&mtt
->com
.node
,
3157 &tracker
->res_tree
[RES_MTT
]);
3158 list_del(&mtt
->com
.list
);
3159 spin_unlock_irq(mlx4_tlock(dev
));
3169 spin_lock_irq(mlx4_tlock(dev
));
3171 spin_unlock_irq(mlx4_tlock(dev
));
3174 static void rem_slave_eqs(struct mlx4_dev
*dev
, int slave
)
3176 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3177 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
3178 struct list_head
*eq_list
=
3179 &tracker
->slave_list
[slave
].res_list
[RES_EQ
];
3186 struct mlx4_cmd_mailbox
*mailbox
;
3188 err
= move_all_busy(dev
, slave
, RES_EQ
);
3190 mlx4_warn(dev
, "rem_slave_eqs: Could not move all eqs to "
3191 "busy for slave %d\n", slave
);
3193 spin_lock_irq(mlx4_tlock(dev
));
3194 list_for_each_entry_safe(eq
, tmp
, eq_list
, com
.list
) {
3195 spin_unlock_irq(mlx4_tlock(dev
));
3196 if (eq
->com
.owner
== slave
) {
3197 eqn
= eq
->com
.res_id
;
3198 state
= eq
->com
.from_state
;
3199 while (state
!= 0) {
3201 case RES_EQ_RESERVED
:
3202 spin_lock_irq(mlx4_tlock(dev
));
3203 rb_erase(&eq
->com
.node
,
3204 &tracker
->res_tree
[RES_EQ
]);
3205 list_del(&eq
->com
.list
);
3206 spin_unlock_irq(mlx4_tlock(dev
));
3212 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
3213 if (IS_ERR(mailbox
)) {
3217 err
= mlx4_cmd_box(dev
, slave
, 0,
3220 MLX4_CMD_TIME_CLASS_A
,
3223 mlx4_dbg(dev
, "rem_slave_eqs: failed"
3224 " to move slave %d eqs %d to"
3225 " SW ownership\n", slave
, eqn
);
3226 mlx4_free_cmd_mailbox(dev
, mailbox
);
3227 atomic_dec(&eq
->mtt
->ref_count
);
3228 state
= RES_EQ_RESERVED
;
3236 spin_lock_irq(mlx4_tlock(dev
));
3238 spin_unlock_irq(mlx4_tlock(dev
));
3241 static void rem_slave_counters(struct mlx4_dev
*dev
, int slave
)
3243 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3244 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
3245 struct list_head
*counter_list
=
3246 &tracker
->slave_list
[slave
].res_list
[RES_COUNTER
];
3247 struct res_counter
*counter
;
3248 struct res_counter
*tmp
;
3252 err
= move_all_busy(dev
, slave
, RES_COUNTER
);
3254 mlx4_warn(dev
, "rem_slave_counters: Could not move all counters to "
3255 "busy for slave %d\n", slave
);
3257 spin_lock_irq(mlx4_tlock(dev
));
3258 list_for_each_entry_safe(counter
, tmp
, counter_list
, com
.list
) {
3259 if (counter
->com
.owner
== slave
) {
3260 index
= counter
->com
.res_id
;
3261 rb_erase(&counter
->com
.node
,
3262 &tracker
->res_tree
[RES_COUNTER
]);
3263 list_del(&counter
->com
.list
);
3265 __mlx4_counter_free(dev
, index
);
3268 spin_unlock_irq(mlx4_tlock(dev
));
3271 static void rem_slave_xrcdns(struct mlx4_dev
*dev
, int slave
)
3273 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3274 struct mlx4_resource_tracker
*tracker
= &priv
->mfunc
.master
.res_tracker
;
3275 struct list_head
*xrcdn_list
=
3276 &tracker
->slave_list
[slave
].res_list
[RES_XRCD
];
3277 struct res_xrcdn
*xrcd
;
3278 struct res_xrcdn
*tmp
;
3282 err
= move_all_busy(dev
, slave
, RES_XRCD
);
3284 mlx4_warn(dev
, "rem_slave_xrcdns: Could not move all xrcdns to "
3285 "busy for slave %d\n", slave
);
3287 spin_lock_irq(mlx4_tlock(dev
));
3288 list_for_each_entry_safe(xrcd
, tmp
, xrcdn_list
, com
.list
) {
3289 if (xrcd
->com
.owner
== slave
) {
3290 xrcdn
= xrcd
->com
.res_id
;
3291 rb_erase(&xrcd
->com
.node
, &tracker
->res_tree
[RES_XRCD
]);
3292 list_del(&xrcd
->com
.list
);
3294 __mlx4_xrcd_free(dev
, xrcdn
);
3297 spin_unlock_irq(mlx4_tlock(dev
));
3300 void mlx4_delete_all_resources_for_slave(struct mlx4_dev
*dev
, int slave
)
3302 struct mlx4_priv
*priv
= mlx4_priv(dev
);
3304 mutex_lock(&priv
->mfunc
.master
.res_tracker
.slave_list
[slave
].mutex
);
3306 rem_slave_macs(dev
, slave
);
3307 rem_slave_qps(dev
, slave
);
3308 rem_slave_srqs(dev
, slave
);
3309 rem_slave_cqs(dev
, slave
);
3310 rem_slave_mrs(dev
, slave
);
3311 rem_slave_eqs(dev
, slave
);
3312 rem_slave_mtts(dev
, slave
);
3313 rem_slave_counters(dev
, slave
);
3314 rem_slave_xrcdns(dev
, slave
);
3315 mutex_unlock(&priv
->mfunc
.master
.res_tracker
.slave_list
[slave
].mutex
);