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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _ASM_ARM_SWIOTLB_XEN_H |
| 3 | #define _ASM_ARM_SWIOTLB_XEN_H |
| 4 | |
| 5 | #include <xen/features.h> |
| 6 | #include <xen/xen.h> |
| 7 | |
| 8 | static inline int xen_swiotlb_detect(void) |
| 9 | { |
| 10 | if (!xen_domain()) |
| 11 | return 0; |
| 12 | if (xen_feature(XENFEAT_direct_mapped)) |
| 13 | return 1; |
| 14 | /* legacy case */ |
| 15 | if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain()) |
| 16 | return 1; |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | #endif /* _ASM_ARM_SWIOTLB_XEN_H */ |
| 21 |
Warning: This file is not a C or C++ file. It does not have highlighting.