diff options
Diffstat (limited to 'arch/x86/include/asm/swiotlb.h')
| -rw-r--r-- | arch/x86/include/asm/swiotlb.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h new file mode 100644 index 000000000..ff6c92eff --- /dev/null +++ b/arch/x86/include/asm/swiotlb.h @@ -0,0 +1,30 @@ +/* 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 */ |