diff options
Diffstat (limited to 'drivers/staging/cdv/imgv/psb_ttm_fence_user.h')
| -rw-r--r-- | drivers/staging/cdv/imgv/psb_ttm_fence_user.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/staging/cdv/imgv/psb_ttm_fence_user.h b/drivers/staging/cdv/imgv/psb_ttm_fence_user.h new file mode 100644 index 000000000000..ee95e6a7db09 --- /dev/null +++ b/drivers/staging/cdv/imgv/psb_ttm_fence_user.h @@ -0,0 +1,140 @@ +/************************************************************************** + * + * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA + * All Rights Reserved. + * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + **************************************************************************/ +/* + * Authors + * Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#ifndef TTM_FENCE_USER_H +#define TTM_FENCE_USER_H + +#if !defined(__KERNEL__) && !defined(_KERNEL) +#include <stdint.h> +#endif + +#define TTM_FENCE_MAJOR 0 +#define TTM_FENCE_MINOR 1 +#define TTM_FENCE_PL 0 +#define TTM_FENCE_DATE "080819" + +/** + * struct ttm_fence_signaled_req + * + * @handle: Handle to the fence object. Input. + * + * @fence_type: Fence types we want to flush. Input. + * + * @flush: Boolean. Flush the indicated fence_types. Input. + * + * Argument to the TTM_FENCE_SIGNALED ioctl. + */ + +struct ttm_fence_signaled_req { + uint32_t handle; + uint32_t fence_type; + int32_t flush; + uint32_t pad64; +}; + +/** + * struct ttm_fence_rep + * + * @signaled_types: Fence type that has signaled. + * + * @fence_error: Command execution error. + * Hardware errors that are consequences of the execution + * of the command stream preceding the fence are reported + * here. + * + * Output argument to the TTM_FENCE_SIGNALED and + * TTM_FENCE_FINISH ioctls. + */ + +struct ttm_fence_rep { + uint32_t signaled_types; + uint32_t fence_error; +}; + +union ttm_fence_signaled_arg { + struct ttm_fence_signaled_req req; + struct ttm_fence_rep rep; +}; + +/* + * Waiting mode flags for the TTM_FENCE_FINISH ioctl. + * + * TTM_FENCE_FINISH_MODE_LAZY: Allow for sleeps during polling + * wait. + * + * TTM_FENCE_FINISH_MODE_NO_BLOCK: Don't block waiting for GPU, + * but return -EBUSY if the buffer is busy. + */ + +#define TTM_FENCE_FINISH_MODE_LAZY (1 << 0) +#define TTM_FENCE_FINISH_MODE_NO_BLOCK (1 << 1) + +/** + * struct ttm_fence_finish_req + * + * @handle: Handle to the fence object. Input. + * + * @fence_type: Fence types we want to finish. + * + * @mode: Wait mode. + * + * Input to the TTM_FENCE_FINISH ioctl. + */ + +struct ttm_fence_finish_req { + uint32_t handle; + uint32_t fence_type; + uint32_t mode; + uint32_t pad64; +}; + +union ttm_fence_finish_arg { + struct ttm_fence_finish_req req; + struct ttm_fence_rep rep; +}; + +/** + * struct ttm_fence_unref_arg + * + * @handle: Handle to the fence object. + * + * Argument to the TTM_FENCE_UNREF ioctl. + */ + +struct ttm_fence_unref_arg { + uint32_t handle; + uint32_t pad64; +}; + +/* + * Ioctl offsets frome extenstion start. + */ + +#define TTM_FENCE_SIGNALED 0x01 +#define TTM_FENCE_FINISH 0x02 +#define TTM_FENCE_UNREF 0x03 + +#endif |