mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
431 B
21 lines
431 B
3 years ago
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
#ifndef _ASM_ARM_SWIOTLB_XEN_H
|
||
|
#define _ASM_ARM_SWIOTLB_XEN_H
|
||
|
|
||
|
#include <xen/features.h>
|
||
|
#include <xen/xen.h>
|
||
|
|
||
|
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 */
|