1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_SWIOTLB_XEN_H 3 #define _ASM_X86_SWIOTLB_XEN_H 4 5 #ifdef CONFIG_SWIOTLB_XEN 6 extern int pci_xen_swiotlb_init_late(void); 7 #else 8 static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; } 9 #endif 10 11 int xen_swiotlb_fixup(void *buf, unsigned long nslabs); 12 int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order, 13 unsigned int address_bits, 14 dma_addr_t *dma_handle); 15 void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order); 16 17 #endif /* _ASM_X86_SWIOTLB_XEN_H */ 18