1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * SPDX-License-Identifier: MIT
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright © 2019 Intel Corporation
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <drm/drm_file.h>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include "i915_drv.h"
10*4882a593Smuzhiyun #include "igt_mmap.h"
11*4882a593Smuzhiyun
igt_mmap_node(struct drm_i915_private * i915,struct drm_vma_offset_node * node,unsigned long addr,unsigned long prot,unsigned long flags)12*4882a593Smuzhiyun unsigned long igt_mmap_node(struct drm_i915_private *i915,
13*4882a593Smuzhiyun struct drm_vma_offset_node *node,
14*4882a593Smuzhiyun unsigned long addr,
15*4882a593Smuzhiyun unsigned long prot,
16*4882a593Smuzhiyun unsigned long flags)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun struct file *file;
19*4882a593Smuzhiyun int err;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun /* Pretend to open("/dev/dri/card0") */
22*4882a593Smuzhiyun file = mock_drm_getfile(i915->drm.primary, O_RDWR);
23*4882a593Smuzhiyun if (IS_ERR(file))
24*4882a593Smuzhiyun return PTR_ERR(file);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun err = drm_vma_node_allow(node, file->private_data);
27*4882a593Smuzhiyun if (err) {
28*4882a593Smuzhiyun addr = err;
29*4882a593Smuzhiyun goto out_file;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
33*4882a593Smuzhiyun prot, flags, drm_vma_node_offset_addr(node));
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun drm_vma_node_revoke(node, file->private_data);
36*4882a593Smuzhiyun out_file:
37*4882a593Smuzhiyun fput(file);
38*4882a593Smuzhiyun return addr;
39*4882a593Smuzhiyun }
40