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2130a790ca
Add a simple infrastructure for setting, resetting and querying platform feature flags. Flags can be either global or architecture specific. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> Tested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Arm64 only Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Juergen Gross <jgross@suse.com>
15 lines
449 B
C
15 lines
449 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _PLATFORM_FEATURE_H
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#define _PLATFORM_FEATURE_H
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#include <linux/bitops.h>
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#include <asm/platform-feature.h>
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/* The platform features are starting with the architecture specific ones. */
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#define PLATFORM_FEAT_N (0 + PLATFORM_ARCH_FEAT_N)
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void platform_set(unsigned int feature);
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void platform_clear(unsigned int feature);
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bool platform_has(unsigned int feature);
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#endif /* _PLATFORM_FEATURE_H */
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