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| author | Harald Freudenberger <freude@linux.vnet.ibm.com> | 2016-11-02 14:19:48 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-02-23 10:06:39 +0100 |
| commit | 776067080ca070ef38d33a16faedc28a2f413ee7 (patch) | |
| tree | 8cb2a8ffbc8899df5b382a39b8aeef8d61dd30b5 /arch/s390/include/asm/cpacf.h | |
| parent | s390/zcrypt: Enable request count reset for cards and queues. (diff) | |
| download | linux-776067080ca070ef38d33a16faedc28a2f413ee7.tar.xz linux-776067080ca070ef38d33a16faedc28a2f413ee7.zip | |
s390/crypto: Add PCKMO inline function
Adding the PCKMO inline function and the function code definitions
for using the pckmo function to the cpacf header file.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/cpacf.h')
| -rw-r--r-- | arch/s390/include/asm/cpacf.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index 2c680db7e5c1..992a20868110 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -99,6 +99,18 @@ #define CPACF_KMAC_TDEA_192 0x03 /* + * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT) + * instruction + */ +#define CPACF_PCKMO_QUERY 0x00 +#define CPACF_PCKMO_ENC_DES_KEY 0x01 +#define CPACF_PCKMO_ENC_TDES_128_KEY 0x02 +#define CPACF_PCKMO_ENC_TDES_192_KEY 0x03 +#define CPACF_PCKMO_ENC_AES_128_KEY 0x12 +#define CPACF_PCKMO_ENC_AES_192_KEY 0x13 +#define CPACF_PCKMO_ENC_AES_256_KEY 0x14 + +/* * Function codes for the PPNO (PERFORM PSEUDORANDOM NUMBER OPERATION) * instruction */ @@ -397,4 +409,24 @@ static inline void cpacf_pcc(unsigned long func, void *param) : "cc", "memory"); } +/** + * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY + * MANAGEMENT) instruction + * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines + * @param: address of parameter block; see POP for details on each func + * + * Returns 0. + */ +static inline void cpacf_pckmo(long func, void *param) +{ + register unsigned long r0 asm("0") = (unsigned long) func; + register unsigned long r1 asm("1") = (unsigned long) param; + + asm volatile( + " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ + : + : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCKMO) + : "cc", "memory"); +} + #endif /* _ASM_S390_CPACF_H */ |