Cregit: Linux 6.2: swiotlb-xen.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Konrad Rzeszutek Wilk	44	55.70%	3	30.00%
Alex Nixon	19	24.05%	1	10.00%
Stefano Stabellini	8	10.13%	2	20.00%
Christoph Hellwig	4	5.06%	2	20.00%
Jeremy Fitzhardinge	3	3.80%	1	10.00%
Greg Kroah-Hartman	1	1.27%	1	10.00%
Total	79		10

/* 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 */