mirror of https://gitee.com/openkylin/linux.git
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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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 <ben@bwidawsk.net>
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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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