1/*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright © 2019 Intel Corporation
5 */
6
7#include <drm/drm_file.h>
8
9#include "i915_drv.h"
10#include "igt_mmap.h"
11
12unsigned long igt_mmap_node(struct drm_i915_private *i915,
13			    struct drm_vma_offset_node *node,
14			    unsigned long addr,
15			    unsigned long prot,
16			    unsigned long flags)
17{
18	struct file *file;
19	int err;
20
21	/* Pretend to open("/dev/dri/card0") */
22	file = mock_drm_getfile(i915->drm.primary, O_RDWR);
23	if (IS_ERR(file))
24		return PTR_ERR(file);
25
26	err = drm_vma_node_allow(node, file->private_data);
27	if (err) {
28		addr = err;
29		goto out_file;
30	}
31
32	addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
33		       prot, flags, drm_vma_node_offset_addr(node));
34
35	drm_vma_node_revoke(node, file->private_data);
36out_file:
37	fput(file);
38	return addr;
39}
40