1 /* 2 * Copyright (C) 2010 Google, Inc. 3 * 4 * Author: 5 * Dima Zavin <dima (at) 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 __LINUX_TEGRA_SEMA_H 19 #define __LINUX_TEGRA_SEMA_H 20 21 /* this shares the magic with the tegra RPC and AVP drivers. 22 * See include/linux/tegra_avp.h and include/linux/tegra_rpc.h */ 23 #define TEGRA_SEMA_IOCTL_MAGIC 'r' 24 25 /* If IOCTL_WAIT is interrupted by a signal and the timeout was not -1, 26 * then the value pointed to by the argument will be updated with the amount 27 * of time remaining for the wait. */ 28 #define TEGRA_SEMA_IOCTL_WAIT _IOW(TEGRA_SEMA_IOCTL_MAGIC, 0x30, long *) 29 #define TEGRA_SEMA_IOCTL_SIGNAL _IO(TEGRA_SEMA_IOCTL_MAGIC, 0x31) 30 31 #define TEGRA_SEMA_IOCTL_MIN_NR _IOC_NR(TEGRA_SEMA_IOCTL_WAIT) 32 #define TEGRA_SEMA_IOCTL_MAX_NR _IOC_NR(TEGRA_SEMA_IOCTL_SIGNAL) 33 34 #endif 35
