diff options
Diffstat (limited to 'drivers/gpu/drm/vgem/vgem_drv.h')
-rw-r--r-- | drivers/gpu/drm/vgem/vgem_drv.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vgem/vgem_drv.h b/drivers/gpu/drm/vgem/vgem_drv.h new file mode 100644 index 000000000..0ed300317 --- /dev/null +++ b/drivers/gpu/drm/vgem/vgem_drv.h @@ -0,0 +1,62 @@ +/* + * Copyright © 2012 Intel Corporation + * Copyright © 2014 The Chromium OS Authors + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Ben Widawsky <ben@bwidawsk.net> + * + */ + +#ifndef _VGEM_DRV_H_ +#define _VGEM_DRV_H_ + +#include <drm/drm_gem.h> +#include <drm/drm_cache.h> + +#include <uapi/drm/vgem_drm.h> + +struct vgem_file { + struct idr fence_idr; + struct mutex fence_mutex; +}; + +#define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base) +struct drm_vgem_gem_object { + struct drm_gem_object base; + + struct page **pages; + unsigned int pages_pin_count; + struct mutex pages_lock; + + struct sg_table *table; +}; + +int vgem_fence_open(struct vgem_file *file); +int vgem_fence_attach_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file); +int vgem_fence_signal_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file); +void vgem_fence_close(struct vgem_file *file); + +#endif |