Commit 87efe384 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

Merge branch 'x86/cc' into x86/sev 

Pick up the cc_vendor changes.
parents 812b0597 3d91c537

arch/x86/coco/core.c

+4 −9
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
#include <asm/coco.h>

#include <asm/processor.h>



static enum cc_vendor vendor __ro_after_init;

enum cc_vendor cc_vendor __ro_after_init;

static u64 cc_mask __ro_after_init;



static bool intel_cc_platform_has(enum cc_attr attr)
@@ -99,7 +99,7 @@ static bool amd_cc_platform_has(enum cc_attr attr) 


bool cc_platform_has(enum cc_attr attr)

{

	switch (vendor) {

	switch (cc_vendor) {

	case CC_VENDOR_AMD:

		return amd_cc_platform_has(attr);

	case CC_VENDOR_INTEL:
@@ -119,7 +119,7 @@ u64 cc_mkenc(u64 val) 
	 * - for AMD, bit *set* means the page is encrypted

	 * - for AMD with vTOM and for Intel, *clear* means encrypted

	 */

	switch (vendor) {

	switch (cc_vendor) {

	case CC_VENDOR_AMD:

		if (sev_status & MSR_AMD64_SNP_VTOM)

			return val & ~cc_mask;
@@ -135,7 +135,7 @@ u64 cc_mkenc(u64 val) 
u64 cc_mkdec(u64 val)

{

	/* See comment in cc_mkenc() */

	switch (vendor) {

	switch (cc_vendor) {

	case CC_VENDOR_AMD:

		if (sev_status & MSR_AMD64_SNP_VTOM)

			return val | cc_mask;
@@ -149,11 +149,6 @@ u64 cc_mkdec(u64 val) 
}

EXPORT_SYMBOL_GPL(cc_mkdec);



__init void cc_set_vendor(enum cc_vendor v)

{

	vendor = v;

}



__init void cc_set_mask(u64 mask)

{

	cc_mask = mask;

arch/x86/include/asm/coco.h

+20 −3
Original line number Diff line number Diff line
@@ -10,13 +10,30 @@ enum cc_vendor { 
	CC_VENDOR_INTEL,

};



void cc_set_vendor(enum cc_vendor v);

void cc_set_mask(u64 mask);



#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;