diff options
Diffstat (limited to 'drivers/media/video/tegra/avp/trpc.h')
-rw-r--r-- | drivers/media/video/tegra/avp/trpc.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/media/video/tegra/avp/trpc.h b/drivers/media/video/tegra/avp/trpc.h new file mode 100644 index 00000000000..e7b0d2d5578 --- /dev/null +++ b/drivers/media/video/tegra/avp/trpc.h | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Google, Inc. | ||
3 | * | ||
4 | * Author: | ||
5 | * Dima Zavin <dima@android.com> | ||
6 | * | ||
7 | * This software is licensed under the terms of the GNU General Public | ||
8 | * License version 2, as published by the Free Software Foundation, and | ||
9 | * may be copied, distributed, and modified under those terms. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | #ifndef __ARM_MACH_TEGRA_RPC_H | ||
19 | #define __ARM_MACH_TEGRA_RPC_H | ||
20 | |||
21 | #include <linux/list.h> | ||
22 | #include <linux/seq_file.h> | ||
23 | #include <linux/tegra_rpc.h> | ||
24 | |||
25 | struct trpc_endpoint; | ||
26 | struct trpc_ep_ops { | ||
27 | /* send is allowed to sleep */ | ||
28 | int (*send)(struct trpc_endpoint *ep, void *buf, size_t len); | ||
29 | /* notify_recv is NOT allowed to sleep */ | ||
30 | void (*notify_recv)(struct trpc_endpoint *ep); | ||
31 | /* close is allowed to sleep */ | ||
32 | void (*close)(struct trpc_endpoint *ep); | ||
33 | /* not allowed to sleep, not allowed to call back into trpc */ | ||
34 | void (*show)(struct seq_file *s, struct trpc_endpoint *ep); | ||
35 | }; | ||
36 | |||
37 | enum { | ||
38 | TRPC_NODE_LOCAL, | ||
39 | TRPC_NODE_REMOTE, | ||
40 | }; | ||
41 | |||
42 | struct trpc_node { | ||
43 | struct list_head list; | ||
44 | const char *name; | ||
45 | int type; | ||
46 | void *priv; | ||
47 | |||
48 | int (*try_connect)(struct trpc_node *node, | ||
49 | struct trpc_node *src, | ||
50 | struct trpc_endpoint *from); | ||
51 | }; | ||
52 | |||
53 | struct trpc_endpoint *trpc_peer(struct trpc_endpoint *ep); | ||
54 | void *trpc_priv(struct trpc_endpoint *ep); | ||
55 | const char *trpc_name(struct trpc_endpoint *ep); | ||
56 | |||
57 | void trpc_put(struct trpc_endpoint *ep); | ||
58 | void trpc_get(struct trpc_endpoint *ep); | ||
59 | |||
60 | int trpc_send_msg(struct trpc_node *src, struct trpc_endpoint *ep, void *buf, | ||
61 | size_t len, gfp_t gfp_flags); | ||
62 | int trpc_recv_msg(struct trpc_node *src, struct trpc_endpoint *ep, | ||
63 | void *buf, size_t len, long timeout); | ||
64 | struct trpc_endpoint *trpc_create(struct trpc_node *owner, const char *name, | ||
65 | struct trpc_ep_ops *ops, void *priv); | ||
66 | struct trpc_endpoint *trpc_create_connect(struct trpc_node *src, char *name, | ||
67 | struct trpc_ep_ops *ops, void *priv, | ||
68 | long timeout); | ||
69 | int trpc_connect(struct trpc_endpoint *from, long timeout); | ||
70 | struct trpc_endpoint *trpc_create_peer(struct trpc_node *owner, | ||
71 | struct trpc_endpoint *ep, | ||
72 | struct trpc_ep_ops *ops, | ||
73 | void *priv); | ||
74 | void trpc_close(struct trpc_endpoint *ep); | ||
75 | int trpc_wait_peer(struct trpc_endpoint *ep, long timeout); | ||
76 | |||
77 | int trpc_node_register(struct trpc_node *node); | ||
78 | void trpc_node_unregister(struct trpc_node *node); | ||
79 | |||
80 | #endif | ||