blob: 583a4ff8b8c9bd58e49886f0376b93897053da66 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#include <drm/drm_file.h>
#include "i915_drv.h"
#include "igt_mmap.h"
unsigned long igt_mmap_node(struct drm_i915_private *i915,
struct drm_vma_offset_node *node,
unsigned long addr,
unsigned long prot,
unsigned long flags)
{
struct file *file;
int err;
/* Pretend to open("/dev/dri/card0") */
file = mock_drm_getfile(i915->drm.primary, O_RDWR);
if (IS_ERR(file))
return PTR_ERR(file);
err = drm_vma_node_allow(node, file->private_data);
if (err) {
addr = err;
goto out_file;
}
addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
prot, flags, drm_vma_node_offset_addr(node));
drm_vma_node_revoke(node, file->private_data);
out_file:
fput(file);
return addr;
}
|