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File: //usr/src/linux-headers-5.15.0-89-generic/arch/x86/include/asm/swiotlb.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_SWIOTLB_H
#define _ASM_X86_SWIOTLB_H

#include <linux/swiotlb.h>

#ifdef CONFIG_SWIOTLB
extern int swiotlb;
extern int __init pci_swiotlb_detect_override(void);
extern int __init pci_swiotlb_detect_4gb(void);
extern void __init pci_swiotlb_init(void);
extern void __init pci_swiotlb_late_init(void);
#else
#define swiotlb 0
static inline int pci_swiotlb_detect_override(void)
{
	return 0;
}
static inline int pci_swiotlb_detect_4gb(void)
{
	return 0;
}
static inline void pci_swiotlb_init(void)
{
}
static inline void pci_swiotlb_late_init(void)
{
}
#endif
#endif /* _ASM_X86_SWIOTLB_H */