3153c64860
Moving the driver-specific mmap code into a GEM object function allows for using DRM helpers for various mmap callbacks. The respective xen functions are being removed. The file_operations structure fops is now being created by the helper macro DEFINE_DRM_GEM_FOPS(). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211108102846.309-3-tzimmermann@suse.de
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
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/*
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* Xen para-virtual DRM device
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*
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* Copyright (C) 2016-2018 EPAM Systems Inc.
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*
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* Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
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*/
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#ifndef __XEN_DRM_FRONT_GEM_H
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#define __XEN_DRM_FRONT_GEM_H
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struct dma_buf_attachment;
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struct dma_buf_map;
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struct drm_device;
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struct drm_gem_object;
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struct sg_table;
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struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
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size_t size);
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struct drm_gem_object *
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xen_drm_front_gem_import_sg_table(struct drm_device *dev,
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struct dma_buf_attachment *attach,
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struct sg_table *sgt);
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struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj);
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struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj);
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void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj);
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int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj,
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struct dma_buf_map *map);
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void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj,
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struct dma_buf_map *map);
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#endif /* __XEN_DRM_FRONT_GEM_H */
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