/* 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 */