From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- include/xen/arm/swiotlb-xen.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 include/xen/arm/swiotlb-xen.h (limited to 'include/xen/arm/swiotlb-xen.h') diff --git a/include/xen/arm/swiotlb-xen.h b/include/xen/arm/swiotlb-xen.h new file mode 100644 index 000000000..33336ab58 --- /dev/null +++ b/include/xen/arm/swiotlb-xen.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ARM_SWIOTLB_XEN_H +#define _ASM_ARM_SWIOTLB_XEN_H + +#include +#include + +static inline int xen_swiotlb_detect(void) +{ + if (!xen_domain()) + return 0; + if (xen_feature(XENFEAT_direct_mapped)) + return 1; + /* legacy case */ + if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain()) + return 1; + return 0; +} + +#endif /* _ASM_ARM_SWIOTLB_XEN_H */ -- cgit v1.2.3