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 12 unsigned 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); 36 out_file: 37 fput(file); 38 return addr; 39 } 40