diff options
Diffstat (limited to 'drivers/gpu/mali/umplock/umplock_ioctl.h')
-rw-r--r-- | drivers/gpu/mali/umplock/umplock_ioctl.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/mali/umplock/umplock_ioctl.h b/drivers/gpu/mali/umplock/umplock_ioctl.h new file mode 100644 index 00000000..9ac5b7f2 --- /dev/null +++ b/drivers/gpu/mali/umplock/umplock_ioctl.h @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2012-2014 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained from Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __UMPLOCK_IOCTL_H__ +#define __UMPLOCK_IOCTL_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <linux/types.h> +#include <linux/ioctl.h> + +#ifndef __user +#define __user +#endif + + +/** + * @file umplock_ioctl.h + * This file describes the interface needed to use the Linux device driver. + * The interface is used by the userpace Mali DDK. + */ + +typedef enum { + _LOCK_ACCESS_RENDERABLE = 1, + _LOCK_ACCESS_TEXTURE, + _LOCK_ACCESS_CPU_WRITE, + _LOCK_ACCESS_CPU_READ, +} _lock_access_usage; + +typedef struct _lock_item_s { + unsigned int secure_id; + _lock_access_usage usage; +} _lock_item_s; + + +#define LOCK_IOCTL_GROUP 0x91 + +#define _LOCK_IOCTL_CREATE_CMD 0 /* create kernel lock item */ +#define _LOCK_IOCTL_PROCESS_CMD 1 /* process kernel lock item */ +#define _LOCK_IOCTL_RELEASE_CMD 2 /* release kernel lock item */ +#define _LOCK_IOCTL_ZAP_CMD 3 /* clean up all kernel lock items */ +#define _LOCK_IOCTL_DUMP_CMD 4 /* dump all the items */ + +#define LOCK_IOCTL_MAX_CMDS 5 + +#define LOCK_IOCTL_CREATE _IOW( LOCK_IOCTL_GROUP, _LOCK_IOCTL_CREATE_CMD, _lock_item_s ) +#define LOCK_IOCTL_PROCESS _IOW( LOCK_IOCTL_GROUP, _LOCK_IOCTL_PROCESS_CMD, _lock_item_s ) +#define LOCK_IOCTL_RELEASE _IOW( LOCK_IOCTL_GROUP, _LOCK_IOCTL_RELEASE_CMD, _lock_item_s ) +#define LOCK_IOCTL_ZAP _IO ( LOCK_IOCTL_GROUP, _LOCK_IOCTL_ZAP_CMD ) +#define LOCK_IOCTL_DUMP _IO ( LOCK_IOCTL_GROUP, _LOCK_IOCTL_DUMP_CMD ) + +#ifdef __cplusplus +} +#endif + +#endif /* __UMPLOCK_IOCTL_H__ */ + |