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
 8static 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 */

 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
 8static 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 */