Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
21 lines
431 B
C
21 lines
431 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_ARM_SWIOTLB_XEN_H
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#define _ASM_ARM_SWIOTLB_XEN_H
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#include <xen/features.h>
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#include <xen/xen.h>
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static inline int xen_swiotlb_detect(void)
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{
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if (!xen_domain())
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return 0;
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if (xen_feature(XENFEAT_direct_mapped))
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return 1;
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/* legacy case */
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if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain())
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return 1;
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return 0;
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}
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#endif /* _ASM_ARM_SWIOTLB_XEN_H */
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