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