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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/swiotlb.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 */ |