diff options
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 000000000000..16e6367cf569 --- /dev/null +++ b/include/linux/tegra_rpc.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Dima Zavin <dima@android.com> + * + * Based on original code from NVIDIA, and a partial rewrite by: + * Gary King <gking@nvidia.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_TEGRA_RPC_H +#define __LINUX_TEGRA_RPC_H + +#define TEGRA_RPC_MAX_MSG_LEN 256 + +/* Note: the actual size of the name in the protocol message is 16 bytes, + * but that is because the name there is not NUL terminated, only NUL + * padded. */ +#define TEGRA_RPC_MAX_NAME_LEN 17 + +struct tegra_rpc_port_desc { + char name[TEGRA_RPC_MAX_NAME_LEN]; + int notify_fd; /* fd representing a trpc_sema to signal when a + * message has been received */ +}; + +#define TEGRA_RPC_IOCTL_MAGIC 'r' + +#define TEGRA_RPC_IOCTL_PORT_CREATE _IOW(TEGRA_RPC_IOCTL_MAGIC, 0x20, struct tegra_rpc_port_desc) +#define TEGRA_RPC_IOCTL_PORT_GET_NAME _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x21, char *) +#define TEGRA_RPC_IOCTL_PORT_CONNECT _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x22, long) +#define TEGRA_RPC_IOCTL_PORT_LISTEN _IOR(TEGRA_RPC_IOCTL_MAGIC, 0x23, long) + +#define TEGRA_RPC_IOCTL_MIN_NR _IOC_NR(TEGRA_RPC_IOCTL_PORT_CREATE) +#define TEGRA_RPC_IOCTL_MAX_NR _IOC_NR(TEGRA_RPC_IOCTL_PORT_LISTEN) + +#endif |