diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /include/linux/tegra_rpc.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'include/linux/tegra_rpc.h')
-rw-r--r-- | include/linux/tegra_rpc.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/tegra_rpc.h b/include/linux/tegra_rpc.h new file mode 100644 index 00000000000..16e6367cf56 --- /dev/null +++ b/include/linux/tegra_rpc.h | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Google, Inc. | ||
3 | * | ||
4 | * Author: | ||
5 | * Dima Zavin <dima@android.com> | ||
6 | * | ||
7 | * Based on original code from NVIDIA, and a partial rewrite by: | ||
8 | * Gary King <gking@nvidia.com> | ||
9 | * | ||
10 | * This software is licensed under the terms of the GNU General Public | ||
11 | * License version 2, as published by the Free Software Foundation, and | ||
12 | * may be copied, distributed, and modified under those terms. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | #ifndef __LINUX_TEGRA_RPC_H | ||
22 | #define __LINUX_TEGRA_RPC_H | ||
23 | |||
24 | #define TEGRA_RPC_MAX_MSG_LEN 256 | ||
25 | |||
26 | /* Note: the actual size of the name in the protocol message is 16 bytes, | ||
27 | * but that is because the name there is not NUL terminated, only NUL | ||
28 | * padded. */ | ||
29 | #define TEGRA_RPC_MAX_NAME_LEN 17 | ||
30 | |||
31 | struct tegra_rpc_port_desc { | ||
32 | char name[TEGRA_RPC_MAX_NAME_LEN]; | ||
33 | int notify_fd; /* fd representing a trpc_sema to signal when a | ||
34 | * message has been received */ | ||
35 | }; | ||
36 | |||
37 | #define TEGRA_RPC_IOCTL_MAGIC 'r' | ||
38 | |||
39 | #define TEGRA_RPC_IOCTL_PORT_CREATE _IOW(TEGRA_RPC_IOCTL_MAGIC, 0x20, struct tegra_rpc_port_desc) | ||
40 | #define TEGRA_RPC_IOCTL_PORT_GET_NAME _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x21, char *) | ||
41 | #define TEGRA_RPC_IOCTL_PORT_CONNECT _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x22, long) | ||
42 | #define TEGRA_RPC_IOCTL_PORT_LISTEN _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x23, long) | ||
43 | |||
44 | #define TEGRA_RPC_IOCTL_MIN_NR _IOC_NR(TEGRA_RPC_IOCTL_PORT_CREATE) | ||
45 | #define TEGRA_RPC_IOCTL_MAX_NR _IOC_NR(TEGRA_RPC_IOCTL_PORT_LISTEN) | ||
46 | |||
47 | #endif | ||