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30 lines
645 B
30 lines
645 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_X86_SWIOTLB_H |
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#define _ASM_X86_SWIOTLB_H |
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#include <linux/swiotlb.h> |
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#ifdef CONFIG_SWIOTLB |
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extern int swiotlb; |
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extern int __init pci_swiotlb_detect_override(void); |
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extern int __init pci_swiotlb_detect_4gb(void); |
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extern void __init pci_swiotlb_init(void); |
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extern void __init pci_swiotlb_late_init(void); |
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#else |
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#define swiotlb 0 |
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static inline int pci_swiotlb_detect_override(void) |
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{ |
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return 0; |
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} |
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static inline int pci_swiotlb_detect_4gb(void) |
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{ |
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return 0; |
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} |
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static inline void pci_swiotlb_init(void) |
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{ |
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} |
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static inline void pci_swiotlb_late_init(void) |
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{ |
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} |
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#endif |
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#endif /* _ASM_X86_SWIOTLB_H */
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