1 /* 2 * Copyright (C) 2010 Google, Inc. 3 * 4 * Author: 5 * Dima Zavin <dima (at) android.com> 6 * 7 * Based on original code from NVIDIA, and a partial rewrite by: 8 * Gary King <gking (at) 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 48
