[linux-block.git] / arch / x86 / include / asm / coco.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_COCO_H
#define _ASM_X86_COCO_H

#include <asm/asm.h>
#include <asm/types.h>

enum cc_vendor {
	CC_VENDOR_NONE,
	CC_VENDOR_AMD,
	CC_VENDOR_INTEL,
};

#ifdef CONFIG_ARCH_HAS_CC_PLATFORM
extern enum cc_vendor cc_vendor;
extern u64 cc_mask;

static inline void cc_set_mask(u64 mask)
{
	RIP_REL_REF(cc_mask) = mask;
}

u64 cc_mkenc(u64 val);
u64 cc_mkdec(u64 val);
#else
#define cc_vendor (CC_VENDOR_NONE)

static inline u64 cc_mkenc(u64 val)
{
	return val;
}

static inline u64 cc_mkdec(u64 val)
{
	return val;
}
#endif

#endif /* _ASM_X86_COCO_H */
Commit	Line	Data
655a0fa3 KS	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef _ASM_X86_COCO_H
	3	#define _ASM_X86_COCO_H
	4
1c811d40	5	#include <asm/asm.h>
b577f542 KS	6	#include <asm/types.h>
b577f542 KS	7
655a0fa3 KS	8	enum cc_vendor {
	9	CC_VENDOR_NONE,
	10	CC_VENDOR_AMD,
655a0fa3 KS	11	CC_VENDOR_INTEL,
	12	};
	13
da86eb96	14	#ifdef CONFIG_ARCH_HAS_CC_PLATFORM
e4596477	15	extern enum cc_vendor cc_vendor;
1c811d40	16	extern u64 cc_mask;
3d91c537	17
1c811d40 AB	18	static inline void cc_set_mask(u64 mask)
	19	{
	20	RIP_REL_REF(cc_mask) = mask;
	21	}
	22
b577f542 KS	23	u64 cc_mkenc(u64 val);
	24	u64 cc_mkdec(u64 val);
	25	#else
e4596477 NC	26	#define cc_vendor (CC_VENDOR_NONE)
e4596477 NC	27
b577f542 KS	28	static inline u64 cc_mkenc(u64 val)
	29	{
	30	return val;
	31	}
	32
	33	static inline u64 cc_mkdec(u64 val)
	34	{
	35	return val;
	36	}
	37	#endif
655a0fa3 KS	38
655a0fa3 KS	39	#endif /* _ASM_X86_COCO_H */