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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_X86_SWIOTLB_XEN_H
- #define _ASM_X86_SWIOTLB_XEN_H
- #ifdef CONFIG_SWIOTLB_XEN
- extern int pci_xen_swiotlb_init_late(void);
- #else
- static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; }
- #endif
- int xen_swiotlb_fixup(void *buf, unsigned long nslabs);
- int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
- unsigned int address_bits,
- dma_addr_t *dma_handle);
- void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
- #endif /* _ASM_X86_SWIOTLB_XEN_H */
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