mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-30 22:26:55 +00:00
cb6f6b3384
Move xen_swiotlb_detect to a static inline function to make it available to !CONFIG_XEN builds. CC: boris.ostrovsky@oracle.com CC: jgross@suse.com Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20210512201823.1963-1-sstabellini@kernel.org Signed-off-by: Juergen Gross <jgross@suse.com>
20 lines
431 B
C
20 lines
431 B
C
/* 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 */
|