Commit d2dec49d authored by Finn Callies's avatar Finn Callies Committed by Vasily Gorbik
Browse files

s390/crypto: Add KDSA CPACF Instruction 



Add the function code definitions for using the KDSA function to the
CPACF header file.

Suggested-by: default avatarHarald Freudenberger <freude@linux.ibm.com>
Reviewed-by: default avatarHarald Freudenberger <freude@linux.ibm.com>
Acked-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarFinn Callies <fcallies@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent ab22f8d9

arch/s390/include/asm/cpacf.h

+23 −0
Original line number Diff line number Diff line
@@ -183,6 +183,27 @@ 
#define CPACF_KLMD_DUFOP	0x4000

#define CPACF_KLMD_NIP		0x8000



/*

 * Function codes for KDSA (COMPUTE DIGITAL SIGNATURE AUTHENTICATION)

 * instruction

 */

#define CPACF_KDSA_QUERY 0x00

#define CPACF_KDSA_ECDSA_VERIFY_P256 0x01

#define CPACF_KDSA_ECDSA_VERIFY_P384 0x02

#define CPACF_KDSA_ECDSA_VERIFY_P521 0x03

#define CPACF_KDSA_ECDSA_SIGN_P256 0x09

#define CPACF_KDSA_ECDSA_SIGN_P384 0x0a

#define CPACF_KDSA_ECDSA_SIGN_P521 0x0b

#define CPACF_KDSA_ENC_ECDSA_SIGN_P256 0x11

#define CPACF_KDSA_ENC_ECDSA_SIGN_P384 0x12

#define CPACF_KDSA_ENC_ECDSA_SIGN_P521 0x13

#define CPACF_KDSA_EDDSA_VERIFY_ED25519 0x20

#define CPACF_KDSA_EDDSA_VERIFY_ED448 0x24

#define CPACF_KDSA_EDDSA_SIGN_ED25519 0x28

#define CPACF_KDSA_EDDSA_SIGN_ED448 0x2c

#define CPACF_KDSA_ENC_EDDSA_SIGN_ED25519 0x30

#define CPACF_KDSA_ENC_EDDSA_SIGN_ED448 0x34



typedef struct { unsigned char bytes[16]; } cpacf_mask_t;



/*
@@ -287,6 +308,8 @@ static __always_inline int __cpacf_check_opcode(unsigned int opcode) 
		return test_facility(57);	/* check for MSA5 */

	case CPACF_KMA:

		return test_facility(146);	/* check for MSA8 */

	case CPACF_KDSA:

		return test_facility(155);	/* check for MSA9 */

	default:

		__cpacf_bad_opcode();

		return 0;