/* * SPDX-License-Identifier: MIT * * Copyright © 2019 Intel Corporation */ #include #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; }