xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/virtio/virtgpu_prime.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)

/*	$NetBSD: virtgpu_prime.c,v 1.3 2021/12/18 23:45:45 riastradh Exp $	*/

/*
 * Copyright 2014 Canonical
 *
 * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Andreas Pokorny
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: virtgpu_prime.c,v 1.3 2021/12/18 23:45:45 riastradh Exp $");

#include <drm/drm_prime.h>

#include "virtgpu_drv.h"

/* Empty Implementations as there should not be any other driver for a virtual
 * device that might share buffers with virtgpu
 */

struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
	struct drm_device *dev, struct dma_buf_attachment *attach,
	struct sg_table *table)
{
	return ERR_PTR(-ENODEV);
}