drivers/gpu/drm/vboxvideo/vbox_prime.c

// SPDX-License-Identifier: MIT
/*
 * Copyright (C) 2017 Oracle Corporation
 * Copyright 2017 Canonical
 * Authors: Andreas Pokorny
 */

#include "vbox_drv.h"

/*
 * Based on qxl_prime.c:
 * Empty Implementations as there should not be any other driver for a virtual
 * device that might share buffers with vboxvideo
 */

int vbox_gem_prime_pin(struct drm_gem_object *obj)
{
	WARN_ONCE(1, "not implemented");
	return -ENODEV;
}

void vbox_gem_prime_unpin(struct drm_gem_object *obj)
{
	WARN_ONCE(1, "not implemented");
}

struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
	WARN_ONCE(1, "not implemented");
	return ERR_PTR(-ENODEV);
}

struct drm_gem_object *vbox_gem_prime_import_sg_table(
	struct drm_device *dev, struct dma_buf_attachment *attach,
	struct sg_table *table)
{
	WARN_ONCE(1, "not implemented");
	return ERR_PTR(-ENODEV);
}

void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
{
	WARN_ONCE(1, "not implemented");
	return ERR_PTR(-ENODEV);
}

void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
{
	WARN_ONCE(1, "not implemented");
}

int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
{
	WARN_ONCE(1, "not implemented");
	return -ENODEV;
}