Dima Zavin | 9d020ec | 2010-11-04 15:57:07 -0700 | [diff] [blame] | 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 |