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s390/crypto: Add KDSA CPACF Instruction

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

Suggested-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Finn Callies <fcallies@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Finn Callies
2024-09-11 09:21:06 +02:00
committed by Vasily Gorbik
parent ab22f8d908
commit d2dec49d76
1 changed files with 23 additions and 0 deletions
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23
arch/s390/include/asm/cpacf.h
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@@ -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;