1 /*
2 * Move OProfile dependencies from spufs module to the kernel so it
3 * can run on non-cell PPC.
4 *
5 * Copyright (C) IBM 2005
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #undef DEBUG
23
24 #include <linux/export.h>
25 #include <linux/notifier.h>
26 #include <asm/spu.h>
27 #include "spufs/spufs.h"
28
29 static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
30
spu_switch_notify(struct spu * spu,struct spu_context * ctx)31 void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
32 {
33 blocking_notifier_call_chain(&spu_switch_notifier,
34 ctx ? ctx->object_id : 0, spu);
35 }
36 EXPORT_SYMBOL_GPL(spu_switch_notify);
37
spu_switch_event_register(struct notifier_block * n)38 int spu_switch_event_register(struct notifier_block *n)
39 {
40 int ret;
41 ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
42 if (!ret)
43 notify_spus_active();
44 return ret;
45 }
46 EXPORT_SYMBOL_GPL(spu_switch_event_register);
47
spu_switch_event_unregister(struct notifier_block * n)48 int spu_switch_event_unregister(struct notifier_block *n)
49 {
50 return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
51 }
52 EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
53
spu_set_profile_private_kref(struct spu_context * ctx,struct kref * prof_info_kref,void (* prof_info_release)(struct kref * kref))54 void spu_set_profile_private_kref(struct spu_context *ctx,
55 struct kref *prof_info_kref,
56 void (* prof_info_release) (struct kref *kref))
57 {
58 ctx->prof_priv_kref = prof_info_kref;
59 ctx->prof_priv_release = prof_info_release;
60 }
61 EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
62
spu_get_profile_private_kref(struct spu_context * ctx)63 void *spu_get_profile_private_kref(struct spu_context *ctx)
64 {
65 return ctx->prof_priv_kref;
66 }
67 EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);
68
69