/* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* * Xen para-virtual DRM device * * Copyright (C) 2016-2018 EPAM Systems Inc. * * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> */ #ifndef __XEN_DRM_FRONT_GEM_H #define __XEN_DRM_FRONT_GEM_H struct dma_buf_attachment; struct drm_device; struct drm_gem_object; struct file; struct sg_table; struct vm_area_struct; struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev, size_t size); struct drm_gem_object * xen_drm_front_gem_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj); struct page **xen_drm_front_gem_get_pages(struct drm_gem_object *obj); void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj); int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma); void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj); void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, void *vaddr); int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj, struct vm_area_struct *vma); #endif /* __XEN_DRM_FRONT_GEM_H */