diff options
Diffstat (limited to 'include/linux/tegra_sema.h')
| -rw-r--r-- | include/linux/tegra_sema.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/tegra_sema.h b/include/linux/tegra_sema.h new file mode 100644 index 000000000000..7b423b6cb5c4 --- /dev/null +++ b/include/linux/tegra_sema.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Dima Zavin <dima@android.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_SEMA_H +#define __LINUX_TEGRA_SEMA_H + +/* this shares the magic with the tegra RPC and AVP drivers. + * See include/linux/tegra_avp.h and include/linux/tegra_rpc.h */ +#define TEGRA_SEMA_IOCTL_MAGIC 'r' + +/* If IOCTL_WAIT is interrupted by a signal and the timeout was not -1, + * then the value pointed to by the argument will be updated with the amount + * of time remaining for the wait. */ +#define TEGRA_SEMA_IOCTL_WAIT _IOW(TEGRA_SEMA_IOCTL_MAGIC, 0x30, long *) +#define TEGRA_SEMA_IOCTL_SIGNAL _IO(TEGRA_SEMA_IOCTL_MAGIC, 0x31) + +#define TEGRA_SEMA_IOCTL_MIN_NR _IOC_NR(TEGRA_SEMA_IOCTL_WAIT) +#define TEGRA_SEMA_IOCTL_MAX_NR _IOC_NR(TEGRA_SEMA_IOCTL_SIGNAL) + +#endif |