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17 lines
559 B
17 lines
559 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_X86_SWIOTLB_XEN_H |
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#define _ASM_X86_SWIOTLB_XEN_H |
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#ifdef CONFIG_SWIOTLB_XEN |
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extern int xen_swiotlb; |
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extern int __init pci_xen_swiotlb_detect(void); |
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extern void __init pci_xen_swiotlb_init(void); |
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extern int pci_xen_swiotlb_init_late(void); |
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#else |
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#define xen_swiotlb (0) |
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static inline int __init pci_xen_swiotlb_detect(void) { return 0; } |
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static inline void __init pci_xen_swiotlb_init(void) { } |
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static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; } |
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#endif |
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#endif /* _ASM_X86_SWIOTLB_XEN_H */
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