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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/x86/include/asm/dma-mapping.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h new file mode 100644 index 000000000..bb1654fe0 --- /dev/null +++ b/arch/x86/include/asm/dma-mapping.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_DMA_MAPPING_H +#define _ASM_X86_DMA_MAPPING_H + +/* + * IOMMU interface. See Documentation/core-api/dma-api-howto.rst and + * Documentation/core-api/dma-api.rst for documentation. + */ + +#include <linux/scatterlist.h> +#include <asm/io.h> +#include <asm/swiotlb.h> + +extern int iommu_merge; +extern int panic_on_overflow; + +extern const struct dma_map_ops *dma_ops; + +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) +{ + return dma_ops; +} + +#endif |