Define the feature-specific CPUID leaf and bits. Both Key Locker enabling code in the x86 core and AES Key Locker code in the crypto library will reference them.
Signed-off-by: Chang S. Bae <[email protected]> Reviewed-by: Dan Williams <[email protected]> Cc: [email protected] Cc: [email protected] --- Changes from RFC v2: * Separate out the code as a new patch. --- arch/x86/include/asm/keylocker.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/include/asm/keylocker.h b/arch/x86/include/asm/keylocker.h index df84c83228a1..e85dfb6c1524 100644 --- a/arch/x86/include/asm/keylocker.h +++ b/arch/x86/include/asm/keylocker.h @@ -5,6 +5,7 @@ #ifndef __ASSEMBLY__ +#include <linux/bits.h> #include <asm/fpu/types.h> /** @@ -21,5 +22,11 @@ struct iwkey { struct reg_128_bit encryption_key[2]; }; +#define KEYLOCKER_CPUID 0x019 +#define KEYLOCKER_CPUID_EAX_SUPERVISOR BIT(0) +#define KEYLOCKER_CPUID_EBX_AESKLE BIT(0) +#define KEYLOCKER_CPUID_EBX_WIDE BIT(2) +#define KEYLOCKER_CPUID_EBX_BACKUP BIT(4) + #endif /*__ASSEMBLY__ */ #endif /* _ASM_KEYLOCKER_H */ -- 2.17.1 -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
