diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_mm.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_mm.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_mm.h b/drivers/gpu/drm/i915/i915_mm.h new file mode 100644 index 000000000..04c8974d8 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_mm.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __I915_MM_H__ +#define __I915_MM_H__ + +#include <linux/bug.h> +#include <linux/types.h> + +struct vm_area_struct; +struct io_mapping; +struct scatterlist; + +#if IS_ENABLED(CONFIG_X86) +int remap_io_mapping(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn, unsigned long size, + struct io_mapping *iomap); +#else +static inline +int remap_io_mapping(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn, unsigned long size, + struct io_mapping *iomap) +{ + WARN_ONCE(1, "Architecture has no drm_cache.c support\n"); + return 0; +} +#endif + +int remap_io_sg(struct vm_area_struct *vma, + unsigned long addr, unsigned long size, + struct scatterlist *sgl, resource_size_t iobase); + +#endif /* __I915_MM_H__ */ |