/*
* Copyright(c) 2017 Intel Corporation. All rights reserved.
*
* 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:
* Zhiyuan Lv <[email protected]>
*
* Contributors:
* Xiaoguang Chen
* Tina Zhang <[email protected]>
*/
#ifndef _GVT_DMABUF_H_
#define _GVT_DMABUF_H_
#include <linux/vfio.h>
struct intel_vgpu_fb_info {
__u64 start;
__u64 start_gpa;
__u64 drm_format_mod;
__u32 drm_format; /* drm format of plane */
__u32 width; /* width of plane */
__u32 height; /* height of plane */
__u32 stride; /* stride of plane */
__u32 size; /* size of plane in bytes, align on page */
__u32 x_pos; /* horizontal position of cursor plane */
__u32 y_pos; /* vertical position of cursor plane */
__u32 x_hot; /* horizontal position of cursor hotspot */
__u32 y_hot; /* vertical position of cursor hotspot */
struct intel_vgpu_dmabuf_obj *obj;
};
/*
* struct intel_vgpu_dmabuf_obj- Intel vGPU device buffer object
*/
struct intel_vgpu_dmabuf_obj {
struct intel_vgpu *vgpu;
struct intel_vgpu_fb_info *info;
__u32 dmabuf_id;
struct kref kref;
bool initref;
struct list_head list;
};
int intel_vgpu_query_plane(struct intel_vgpu *vgpu, void *args);
int intel_vgpu_get_dmabuf(struct intel_vgpu *vgpu, unsigned int dmabuf_id);
void intel_vgpu_dmabuf_cleanup(struct intel_vgpu *vgpu);
#endif
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