xref: /openbmc/linux/arch/x86/include/asm/coco.h (revision 3d91c537)

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

#include <asm/types.h>

enum cc_vendor {
	CC_VENDOR_NONE,
	CC_VENDOR_AMD,
	CC_VENDOR_HYPERV,
	CC_VENDOR_INTEL,
};

#ifdef CONFIG_ARCH_HAS_CC_PLATFORM
extern enum cc_vendor cc_vendor;

static inline enum cc_vendor cc_get_vendor(void)
{
	return cc_vendor;
}

static inline void cc_set_vendor(enum cc_vendor vendor)
{
	cc_vendor = vendor;
}

void cc_set_mask(u64 mask);
u64 cc_mkenc(u64 val);
u64 cc_mkdec(u64 val);
#else
static inline enum cc_vendor cc_get_vendor(void)
{
	return CC_VENDOR_NONE;
}

static inline void cc_set_vendor(enum cc_vendor vendor) { }

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

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

#endif /* _ASM_X86_COCO_H */