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v0.8.1
https://github.com/torvalds/linux
Raw File
Tip revision: a3b22b9f11d9fbc48b0291ea92259a5a810e9438 authored by Linus Torvalds on 18 February 2019, 02:46:40 UTC
Linux 5.0-rc7
Tip revision: a3b22b9
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 */
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