KVM: SVM: Add support for CR0 write traps for an SEV-ES guest
[linux-2.6-microblaze.git] / arch / x86 / include / asm / dma-mapping.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_DMA_MAPPING_H
3 #define _ASM_X86_DMA_MAPPING_H
4
5 /*
6  * IOMMU interface. See Documentation/core-api/dma-api-howto.rst and
7  * Documentation/core-api/dma-api.rst for documentation.
8  */
9
10 #include <linux/scatterlist.h>
11 #include <asm/io.h>
12 #include <asm/swiotlb.h>
13
14 extern int iommu_merge;
15 extern int panic_on_overflow;
16
17 extern const struct dma_map_ops *dma_ops;
18
19 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
20 {
21         return dma_ops;
22 }
23
24 #endif