1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2c7d4d259SMartin Schwidefsky /* 3c7d4d259SMartin Schwidefsky * CP Assist for Cryptographic Functions (CPACF) 4c7d4d259SMartin Schwidefsky * 59e436c19SHarald Freudenberger * Copyright IBM Corp. 2003, 2023 6c7d4d259SMartin Schwidefsky * Author(s): Thomas Spatzier 7c7d4d259SMartin Schwidefsky * Jan Glauber 8c7d4d259SMartin Schwidefsky * Harald Freudenberger (freude@de.ibm.com) 9c7d4d259SMartin Schwidefsky * Martin Schwidefsky <schwidefsky@de.ibm.com> 10c7d4d259SMartin Schwidefsky */ 11c7d4d259SMartin Schwidefsky #ifndef _ASM_S390_CPACF_H 12c7d4d259SMartin Schwidefsky #define _ASM_S390_CPACF_H 13c7d4d259SMartin Schwidefsky 14c7d4d259SMartin Schwidefsky #include <asm/facility.h> 158c208bc5SIlya Leoshkevich #include <linux/kmsan-checks.h> 16c7d4d259SMartin Schwidefsky 17c7d4d259SMartin Schwidefsky /* 18c7d4d259SMartin Schwidefsky * Instruction opcodes for the CPACF instructions 19c7d4d259SMartin Schwidefsky */ 20c7d4d259SMartin Schwidefsky #define CPACF_KMAC 0xb91e /* MSA */ 21c7d4d259SMartin Schwidefsky #define CPACF_KM 0xb92e /* MSA */ 22c7d4d259SMartin Schwidefsky #define CPACF_KMC 0xb92f /* MSA */ 23c7d4d259SMartin Schwidefsky #define CPACF_KIMD 0xb93e /* MSA */ 24c7d4d259SMartin Schwidefsky #define CPACF_KLMD 0xb93f /* MSA */ 251afd43e0SDavid Hildenbrand #define CPACF_PCKMO 0xb928 /* MSA3 */ 261afd43e0SDavid Hildenbrand #define CPACF_KMF 0xb92a /* MSA4 */ 271afd43e0SDavid Hildenbrand #define CPACF_KMO 0xb92b /* MSA4 */ 28c7d4d259SMartin Schwidefsky #define CPACF_PCC 0xb92c /* MSA4 */ 29c7d4d259SMartin Schwidefsky #define CPACF_KMCTR 0xb92d /* MSA4 */ 30985a9d20SHarald Freudenberger #define CPACF_PRNO 0xb93c /* MSA5 */ 31152c1c8dSJason J. Herne #define CPACF_KMA 0xb929 /* MSA8 */ 3213209ad0SChristian Borntraeger #define CPACF_KDSA 0xb93a /* MSA9 */ 33c7d4d259SMartin Schwidefsky 34c7d4d259SMartin Schwidefsky /* 3527937843SMartin Schwidefsky * En/decryption modifier bits 36edc63a37SMartin Schwidefsky */ 3727937843SMartin Schwidefsky #define CPACF_ENCRYPT 0x00 38edc63a37SMartin Schwidefsky #define CPACF_DECRYPT 0x80 39edc63a37SMartin Schwidefsky 40edc63a37SMartin Schwidefsky /* 41edc63a37SMartin Schwidefsky * Function codes for the KM (CIPHER MESSAGE) instruction 42c7d4d259SMartin Schwidefsky */ 43c7d4d259SMartin Schwidefsky #define CPACF_KM_QUERY 0x00 44edc63a37SMartin Schwidefsky #define CPACF_KM_DEA 0x01 45edc63a37SMartin Schwidefsky #define CPACF_KM_TDEA_128 0x02 46edc63a37SMartin Schwidefsky #define CPACF_KM_TDEA_192 0x03 47edc63a37SMartin Schwidefsky #define CPACF_KM_AES_128 0x12 48edc63a37SMartin Schwidefsky #define CPACF_KM_AES_192 0x13 49edc63a37SMartin Schwidefsky #define CPACF_KM_AES_256 0x14 5027937843SMartin Schwidefsky #define CPACF_KM_PAES_128 0x1a 5127937843SMartin Schwidefsky #define CPACF_KM_PAES_192 0x1b 5227937843SMartin Schwidefsky #define CPACF_KM_PAES_256 0x1c 53edc63a37SMartin Schwidefsky #define CPACF_KM_XTS_128 0x32 54edc63a37SMartin Schwidefsky #define CPACF_KM_XTS_256 0x34 5527937843SMartin Schwidefsky #define CPACF_KM_PXTS_128 0x3a 5627937843SMartin Schwidefsky #define CPACF_KM_PXTS_256 0x3c 5780625b67SHolger Dengler #define CPACF_KM_XTS_128_FULL 0x52 5880625b67SHolger Dengler #define CPACF_KM_XTS_256_FULL 0x54 59c7d4d259SMartin Schwidefsky 60c7d4d259SMartin Schwidefsky /* 61c7d4d259SMartin Schwidefsky * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING) 62edc63a37SMartin Schwidefsky * instruction 63c7d4d259SMartin Schwidefsky */ 64c7d4d259SMartin Schwidefsky #define CPACF_KMC_QUERY 0x00 65edc63a37SMartin Schwidefsky #define CPACF_KMC_DEA 0x01 66edc63a37SMartin Schwidefsky #define CPACF_KMC_TDEA_128 0x02 67edc63a37SMartin Schwidefsky #define CPACF_KMC_TDEA_192 0x03 68edc63a37SMartin Schwidefsky #define CPACF_KMC_AES_128 0x12 69edc63a37SMartin Schwidefsky #define CPACF_KMC_AES_192 0x13 70edc63a37SMartin Schwidefsky #define CPACF_KMC_AES_256 0x14 7127937843SMartin Schwidefsky #define CPACF_KMC_PAES_128 0x1a 7227937843SMartin Schwidefsky #define CPACF_KMC_PAES_192 0x1b 7327937843SMartin Schwidefsky #define CPACF_KMC_PAES_256 0x1c 74c7d4d259SMartin Schwidefsky #define CPACF_KMC_PRNG 0x43 75c7d4d259SMartin Schwidefsky 76c7d4d259SMartin Schwidefsky /* 77c7d4d259SMartin Schwidefsky * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER) 78edc63a37SMartin Schwidefsky * instruction 79c7d4d259SMartin Schwidefsky */ 80c7d4d259SMartin Schwidefsky #define CPACF_KMCTR_QUERY 0x00 81edc63a37SMartin Schwidefsky #define CPACF_KMCTR_DEA 0x01 82edc63a37SMartin Schwidefsky #define CPACF_KMCTR_TDEA_128 0x02 83edc63a37SMartin Schwidefsky #define CPACF_KMCTR_TDEA_192 0x03 84edc63a37SMartin Schwidefsky #define CPACF_KMCTR_AES_128 0x12 85edc63a37SMartin Schwidefsky #define CPACF_KMCTR_AES_192 0x13 86edc63a37SMartin Schwidefsky #define CPACF_KMCTR_AES_256 0x14 8727937843SMartin Schwidefsky #define CPACF_KMCTR_PAES_128 0x1a 8827937843SMartin Schwidefsky #define CPACF_KMCTR_PAES_192 0x1b 8927937843SMartin Schwidefsky #define CPACF_KMCTR_PAES_256 0x1c 90c7d4d259SMartin Schwidefsky 91c7d4d259SMartin Schwidefsky /* 92c7d4d259SMartin Schwidefsky * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) 93edc63a37SMartin Schwidefsky * instruction 94c7d4d259SMartin Schwidefsky */ 95c7d4d259SMartin Schwidefsky #define CPACF_KIMD_QUERY 0x00 96c7d4d259SMartin Schwidefsky #define CPACF_KIMD_SHA_1 0x01 97c7d4d259SMartin Schwidefsky #define CPACF_KIMD_SHA_256 0x02 98c7d4d259SMartin Schwidefsky #define CPACF_KIMD_SHA_512 0x03 993c2eb6b7SJoerg Schmidbauer #define CPACF_KIMD_SHA3_224 0x20 1003c2eb6b7SJoerg Schmidbauer #define CPACF_KIMD_SHA3_256 0x21 1013c2eb6b7SJoerg Schmidbauer #define CPACF_KIMD_SHA3_384 0x22 1023c2eb6b7SJoerg Schmidbauer #define CPACF_KIMD_SHA3_512 0x23 103c7d4d259SMartin Schwidefsky #define CPACF_KIMD_GHASH 0x41 104c7d4d259SMartin Schwidefsky 105c7d4d259SMartin Schwidefsky /* 106c7d4d259SMartin Schwidefsky * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST) 107edc63a37SMartin Schwidefsky * instruction 108c7d4d259SMartin Schwidefsky */ 109c7d4d259SMartin Schwidefsky #define CPACF_KLMD_QUERY 0x00 110c7d4d259SMartin Schwidefsky #define CPACF_KLMD_SHA_1 0x01 111c7d4d259SMartin Schwidefsky #define CPACF_KLMD_SHA_256 0x02 112c7d4d259SMartin Schwidefsky #define CPACF_KLMD_SHA_512 0x03 1133c2eb6b7SJoerg Schmidbauer #define CPACF_KLMD_SHA3_224 0x20 1143c2eb6b7SJoerg Schmidbauer #define CPACF_KLMD_SHA3_256 0x21 1153c2eb6b7SJoerg Schmidbauer #define CPACF_KLMD_SHA3_384 0x22 1163c2eb6b7SJoerg Schmidbauer #define CPACF_KLMD_SHA3_512 0x23 117c7d4d259SMartin Schwidefsky 118c7d4d259SMartin Schwidefsky /* 119c7d4d259SMartin Schwidefsky * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 120edc63a37SMartin Schwidefsky * instruction 121c7d4d259SMartin Schwidefsky */ 122c7d4d259SMartin Schwidefsky #define CPACF_KMAC_QUERY 0x00 123c7d4d259SMartin Schwidefsky #define CPACF_KMAC_DEA 0x01 124c7d4d259SMartin Schwidefsky #define CPACF_KMAC_TDEA_128 0x02 125c7d4d259SMartin Schwidefsky #define CPACF_KMAC_TDEA_192 0x03 126c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_224 0x70 127c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_256 0x71 128c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_384 0x72 129c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_512 0x73 130c7d4d259SMartin Schwidefsky 131c7d4d259SMartin Schwidefsky /* 13277606708SHarald Freudenberger * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT) 13377606708SHarald Freudenberger * instruction 13477606708SHarald Freudenberger */ 13577606708SHarald Freudenberger #define CPACF_PCKMO_QUERY 0x00 13677606708SHarald Freudenberger #define CPACF_PCKMO_ENC_DES_KEY 0x01 13777606708SHarald Freudenberger #define CPACF_PCKMO_ENC_TDES_128_KEY 0x02 13877606708SHarald Freudenberger #define CPACF_PCKMO_ENC_TDES_192_KEY 0x03 13977606708SHarald Freudenberger #define CPACF_PCKMO_ENC_AES_128_KEY 0x12 14077606708SHarald Freudenberger #define CPACF_PCKMO_ENC_AES_192_KEY 0x13 14177606708SHarald Freudenberger #define CPACF_PCKMO_ENC_AES_256_KEY 0x14 1429e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P256_KEY 0x20 1439e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P384_KEY 0x21 1449e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P521_KEY 0x22 1459e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_ED25519_KEY 0x28 1469e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_ED448_KEY 0x29 14777606708SHarald Freudenberger 14877606708SHarald Freudenberger /* 149985a9d20SHarald Freudenberger * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION) 150edc63a37SMartin Schwidefsky * instruction 151c7d4d259SMartin Schwidefsky */ 152985a9d20SHarald Freudenberger #define CPACF_PRNO_QUERY 0x00 153985a9d20SHarald Freudenberger #define CPACF_PRNO_SHA512_DRNG_GEN 0x03 154985a9d20SHarald Freudenberger #define CPACF_PRNO_SHA512_DRNG_SEED 0x83 155f75fa65dSHarald Freudenberger #define CPACF_PRNO_TRNG_Q_R2C_RATIO 0x70 156f75fa65dSHarald Freudenberger #define CPACF_PRNO_TRNG 0x72 157c7d4d259SMartin Schwidefsky 158eecd49c4SPatrick Steuer /* 159eecd49c4SPatrick Steuer * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 160eecd49c4SPatrick Steuer * instruction 161eecd49c4SPatrick Steuer */ 162eecd49c4SPatrick Steuer #define CPACF_KMA_QUERY 0x00 163eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_128 0x12 164eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_192 0x13 165eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_256 0x14 166eecd49c4SPatrick Steuer 167eecd49c4SPatrick Steuer /* 168eecd49c4SPatrick Steuer * Flags for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction 169eecd49c4SPatrick Steuer */ 170eecd49c4SPatrick Steuer #define CPACF_KMA_LPC 0x100 /* Last-Plaintext/Ciphertext */ 171eecd49c4SPatrick Steuer #define CPACF_KMA_LAAD 0x200 /* Last-AAD */ 172eecd49c4SPatrick Steuer #define CPACF_KMA_HS 0x400 /* Hash-subkey Supplied */ 173eecd49c4SPatrick Steuer 174*88c02b3fSJoerg Schmidbauer /* 175*88c02b3fSJoerg Schmidbauer * Flags for the KIMD/KLMD (COMPUTE INTERMEDIATE/LAST MESSAGE DIGEST) 176*88c02b3fSJoerg Schmidbauer * instructions 177*88c02b3fSJoerg Schmidbauer */ 178*88c02b3fSJoerg Schmidbauer #define CPACF_KIMD_NIP 0x8000 179*88c02b3fSJoerg Schmidbauer #define CPACF_KLMD_DUFOP 0x4000 180*88c02b3fSJoerg Schmidbauer #define CPACF_KLMD_NIP 0x8000 181*88c02b3fSJoerg Schmidbauer 18269c0e360SMartin Schwidefsky typedef struct { unsigned char bytes[16]; } cpacf_mask_t; 18369c0e360SMartin Schwidefsky 18432e8bd64SHarald Freudenberger /* 18532e8bd64SHarald Freudenberger * Prototype for a not existing function to produce a link 18632e8bd64SHarald Freudenberger * error if __cpacf_query() or __cpacf_check_opcode() is used 18732e8bd64SHarald Freudenberger * with an invalid compile time const opcode. 18832e8bd64SHarald Freudenberger */ 18932e8bd64SHarald Freudenberger void __cpacf_bad_opcode(void); 19032e8bd64SHarald Freudenberger 191830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2, 192830999bdSHarald Freudenberger cpacf_mask_t *mask) 193c7d4d259SMartin Schwidefsky { 194c7d4d259SMartin Schwidefsky asm volatile( 195830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 196830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 197830999bdSHarald Freudenberger " .insn rre,%[opc] << 16,%[r1],%[r2]\n" 198830999bdSHarald Freudenberger : [mask] "=R" (*mask) 199830999bdSHarald Freudenberger : [opc] "i" (opc), 200830999bdSHarald Freudenberger [r1] "i" (r1), [r2] "i" (r2) 201830999bdSHarald Freudenberger : "cc", "r0", "r1"); 202830999bdSHarald Freudenberger } 203830999bdSHarald Freudenberger 204830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rrf(u32 opc, 205830999bdSHarald Freudenberger u8 r1, u8 r2, u8 r3, u8 m4, 206830999bdSHarald Freudenberger cpacf_mask_t *mask) 207830999bdSHarald Freudenberger { 208830999bdSHarald Freudenberger asm volatile( 209830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 210830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 211830999bdSHarald Freudenberger " .insn rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n" 212830999bdSHarald Freudenberger : [mask] "=R" (*mask) 213830999bdSHarald Freudenberger : [opc] "i" (opc), [r1] "i" (r1), [r2] "i" (r2), 214830999bdSHarald Freudenberger [r3] "i" (r3), [m4] "i" (m4) 215830999bdSHarald Freudenberger : "cc", "r0", "r1"); 216830999bdSHarald Freudenberger } 217830999bdSHarald Freudenberger 218830999bdSHarald Freudenberger static __always_inline void __cpacf_query(unsigned int opcode, 219830999bdSHarald Freudenberger cpacf_mask_t *mask) 220830999bdSHarald Freudenberger { 221830999bdSHarald Freudenberger switch (opcode) { 222830999bdSHarald Freudenberger case CPACF_KDSA: 223830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KDSA, 0, 2, mask); 224830999bdSHarald Freudenberger break; 225830999bdSHarald Freudenberger case CPACF_KIMD: 226830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KIMD, 0, 2, mask); 227830999bdSHarald Freudenberger break; 228830999bdSHarald Freudenberger case CPACF_KLMD: 229830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KLMD, 0, 2, mask); 230830999bdSHarald Freudenberger break; 231830999bdSHarald Freudenberger case CPACF_KM: 232830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KM, 2, 4, mask); 233830999bdSHarald Freudenberger break; 234830999bdSHarald Freudenberger case CPACF_KMA: 235830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, mask); 236830999bdSHarald Freudenberger break; 237830999bdSHarald Freudenberger case CPACF_KMAC: 238830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMAC, 0, 2, mask); 239830999bdSHarald Freudenberger break; 240830999bdSHarald Freudenberger case CPACF_KMC: 241830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMC, 2, 4, mask); 242830999bdSHarald Freudenberger break; 243830999bdSHarald Freudenberger case CPACF_KMCTR: 244830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, mask); 245830999bdSHarald Freudenberger break; 246830999bdSHarald Freudenberger case CPACF_KMF: 247830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMF, 2, 4, mask); 248830999bdSHarald Freudenberger break; 249830999bdSHarald Freudenberger case CPACF_KMO: 250830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMO, 2, 4, mask); 251830999bdSHarald Freudenberger break; 252830999bdSHarald Freudenberger case CPACF_PCC: 253830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCC, 0, 0, mask); 254830999bdSHarald Freudenberger break; 255830999bdSHarald Freudenberger case CPACF_PCKMO: 256830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCKMO, 0, 0, mask); 257830999bdSHarald Freudenberger break; 258830999bdSHarald Freudenberger case CPACF_PRNO: 259830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PRNO, 2, 4, mask); 260830999bdSHarald Freudenberger break; 261830999bdSHarald Freudenberger default: 26232e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 263830999bdSHarald Freudenberger } 264c7d4d259SMartin Schwidefsky } 265c7d4d259SMartin Schwidefsky 266d83623c5SMasahiro Yamada static __always_inline int __cpacf_check_opcode(unsigned int opcode) 267c7d4d259SMartin Schwidefsky { 268c7d4d259SMartin Schwidefsky switch (opcode) { 269c7d4d259SMartin Schwidefsky case CPACF_KMAC: 270c7d4d259SMartin Schwidefsky case CPACF_KM: 271c7d4d259SMartin Schwidefsky case CPACF_KMC: 272c7d4d259SMartin Schwidefsky case CPACF_KIMD: 273c7d4d259SMartin Schwidefsky case CPACF_KLMD: 27469c0e360SMartin Schwidefsky return test_facility(17); /* check for MSA */ 2751afd43e0SDavid Hildenbrand case CPACF_PCKMO: 27669c0e360SMartin Schwidefsky return test_facility(76); /* check for MSA3 */ 2771afd43e0SDavid Hildenbrand case CPACF_KMF: 2781afd43e0SDavid Hildenbrand case CPACF_KMO: 279c7d4d259SMartin Schwidefsky case CPACF_PCC: 280c7d4d259SMartin Schwidefsky case CPACF_KMCTR: 28169c0e360SMartin Schwidefsky return test_facility(77); /* check for MSA4 */ 282985a9d20SHarald Freudenberger case CPACF_PRNO: 28369c0e360SMartin Schwidefsky return test_facility(57); /* check for MSA5 */ 284eecd49c4SPatrick Steuer case CPACF_KMA: 285eecd49c4SPatrick Steuer return test_facility(146); /* check for MSA8 */ 286c7d4d259SMartin Schwidefsky default: 28732e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 28832e8bd64SHarald Freudenberger return 0; 289c7d4d259SMartin Schwidefsky } 29069c0e360SMartin Schwidefsky } 29169c0e360SMartin Schwidefsky 292830999bdSHarald Freudenberger /** 293830999bdSHarald Freudenberger * cpacf_query() - check if a specific CPACF function is available 294830999bdSHarald Freudenberger * @opcode: the opcode of the crypto instruction 295830999bdSHarald Freudenberger * @func: the function code to test for 296830999bdSHarald Freudenberger * 297830999bdSHarald Freudenberger * Executes the query function for the given crypto instruction @opcode 298830999bdSHarald Freudenberger * and checks if @func is available 299830999bdSHarald Freudenberger * 300830999bdSHarald Freudenberger * Returns 1 if @func is available for @opcode, 0 otherwise 301830999bdSHarald Freudenberger */ 302e60fb8bfSMasahiro Yamada static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask) 30369c0e360SMartin Schwidefsky { 30469c0e360SMartin Schwidefsky if (__cpacf_check_opcode(opcode)) { 30569c0e360SMartin Schwidefsky __cpacf_query(opcode, mask); 30669c0e360SMartin Schwidefsky return 1; 30769c0e360SMartin Schwidefsky } 30869c0e360SMartin Schwidefsky memset(mask, 0, sizeof(*mask)); 30969c0e360SMartin Schwidefsky return 0; 31069c0e360SMartin Schwidefsky } 31169c0e360SMartin Schwidefsky 31269c0e360SMartin Schwidefsky static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func) 31369c0e360SMartin Schwidefsky { 31469c0e360SMartin Schwidefsky return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0; 31569c0e360SMartin Schwidefsky } 31669c0e360SMartin Schwidefsky 317d83623c5SMasahiro Yamada static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int func) 31869c0e360SMartin Schwidefsky { 31969c0e360SMartin Schwidefsky cpacf_mask_t mask; 32069c0e360SMartin Schwidefsky 32169c0e360SMartin Schwidefsky if (cpacf_query(opcode, &mask)) 32269c0e360SMartin Schwidefsky return cpacf_test_func(&mask, func); 32369c0e360SMartin Schwidefsky return 0; 324c7d4d259SMartin Schwidefsky } 325c7d4d259SMartin Schwidefsky 326c7d4d259SMartin Schwidefsky /** 327c7d4d259SMartin Schwidefsky * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction 328c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KM_xxx defines 329c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 330c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 331c7d4d259SMartin Schwidefsky * @src: address of source memory area 332c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 333c7d4d259SMartin Schwidefsky * 334c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 335c7d4d259SMartin Schwidefsky * encryption/decryption funcs 336c7d4d259SMartin Schwidefsky */ 337edc63a37SMartin Schwidefsky static inline int cpacf_km(unsigned long func, void *param, 338c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 339c7d4d259SMartin Schwidefsky { 340b84d0c41SHeiko Carstens union register_pair d, s; 341c7d4d259SMartin Schwidefsky 342b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 343b84d0c41SHeiko Carstens s.even = (unsigned long)src; 344b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 345c7d4d259SMartin Schwidefsky asm volatile( 346b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 347b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 348c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 349c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 350b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 351b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 352b84d0c41SHeiko Carstens [opc] "i" (CPACF_KM) 353b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 354c7d4d259SMartin Schwidefsky 355b84d0c41SHeiko Carstens return src_len - s.odd; 356c7d4d259SMartin Schwidefsky } 357c7d4d259SMartin Schwidefsky 358c7d4d259SMartin Schwidefsky /** 359c7d4d259SMartin Schwidefsky * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction 360c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KMC_xxx defines 361c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 362c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 363c7d4d259SMartin Schwidefsky * @src: address of source memory area 364c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 365c7d4d259SMartin Schwidefsky * 366c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 367c7d4d259SMartin Schwidefsky * encryption/decryption funcs 368c7d4d259SMartin Schwidefsky */ 369edc63a37SMartin Schwidefsky static inline int cpacf_kmc(unsigned long func, void *param, 370c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 371c7d4d259SMartin Schwidefsky { 372b84d0c41SHeiko Carstens union register_pair d, s; 373c7d4d259SMartin Schwidefsky 374b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 375b84d0c41SHeiko Carstens s.even = (unsigned long)src; 376b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 377c7d4d259SMartin Schwidefsky asm volatile( 378b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 379b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 380c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 381c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 382b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 383b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 384b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMC) 385b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 386c7d4d259SMartin Schwidefsky 387b84d0c41SHeiko Carstens return src_len - s.odd; 388c7d4d259SMartin Schwidefsky } 389c7d4d259SMartin Schwidefsky 390c7d4d259SMartin Schwidefsky /** 391c7d4d259SMartin Schwidefsky * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) 392c7d4d259SMartin Schwidefsky * instruction 393c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KIMD_xxx defines 394c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 395c7d4d259SMartin Schwidefsky * @src: address of source memory area 396c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 397c7d4d259SMartin Schwidefsky */ 3980177db01SMartin Schwidefsky static inline void cpacf_kimd(unsigned long func, void *param, 399c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 400c7d4d259SMartin Schwidefsky { 401b84d0c41SHeiko Carstens union register_pair s; 402c7d4d259SMartin Schwidefsky 403b84d0c41SHeiko Carstens s.even = (unsigned long)src; 404b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 405c7d4d259SMartin Schwidefsky asm volatile( 406b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 407b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 408*88c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 409c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 410b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 411b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), 412b84d0c41SHeiko Carstens [opc] "i" (CPACF_KIMD) 413b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 414c7d4d259SMartin Schwidefsky } 415c7d4d259SMartin Schwidefsky 416c7d4d259SMartin Schwidefsky /** 417c7d4d259SMartin Schwidefsky * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction 418c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KLMD_xxx defines 419c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 420c7d4d259SMartin Schwidefsky * @src: address of source memory area 421c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 422c7d4d259SMartin Schwidefsky */ 4230177db01SMartin Schwidefsky static inline void cpacf_klmd(unsigned long func, void *param, 424c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 425c7d4d259SMartin Schwidefsky { 426b84d0c41SHeiko Carstens union register_pair s; 427c7d4d259SMartin Schwidefsky 428b84d0c41SHeiko Carstens s.even = (unsigned long)src; 429b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 430c7d4d259SMartin Schwidefsky asm volatile( 431b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 432b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 433*88c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 434c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 435b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 436b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 437b84d0c41SHeiko Carstens [opc] "i" (CPACF_KLMD) 438b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 439c7d4d259SMartin Schwidefsky } 440c7d4d259SMartin Schwidefsky 441c7d4d259SMartin Schwidefsky /** 442c3dcb058SHolger Dengler * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 443c3dcb058SHolger Dengler * instruction and updates flags in gr0 444c3dcb058SHolger Dengler * @gr0: pointer to gr0 (fc and flags) passed to KMAC; see CPACF_KMAC_xxx defines 445c3dcb058SHolger Dengler * @param: address of parameter block; see POP for details on each func 446c3dcb058SHolger Dengler * @src: address of source memory area 447c3dcb058SHolger Dengler * @src_len: length of src operand in bytes 448c3dcb058SHolger Dengler * 449c3dcb058SHolger Dengler * Returns 0 for the query func, number of processed bytes for digest funcs 450c3dcb058SHolger Dengler */ 451c3dcb058SHolger Dengler static inline int _cpacf_kmac(unsigned long *gr0, void *param, 452c3dcb058SHolger Dengler const u8 *src, long src_len) 453c3dcb058SHolger Dengler { 454c3dcb058SHolger Dengler union register_pair s; 455c3dcb058SHolger Dengler 456c3dcb058SHolger Dengler s.even = (unsigned long)src; 457c3dcb058SHolger Dengler s.odd = (unsigned long)src_len; 458c3dcb058SHolger Dengler asm volatile( 459c3dcb058SHolger Dengler " lgr 0,%[r0]\n" 460c3dcb058SHolger Dengler " lgr 1,%[pba]\n" 461c3dcb058SHolger Dengler "0: .insn rre,%[opc] << 16,0,%[src]\n" 462c3dcb058SHolger Dengler " brc 1,0b\n" /* handle partial completion */ 463c3dcb058SHolger Dengler " lgr %[r0],0\n" 464c3dcb058SHolger Dengler : [r0] "+d" (*gr0), [src] "+&d" (s.pair) 465c3dcb058SHolger Dengler : [pba] "d" ((unsigned long)param), 466c3dcb058SHolger Dengler [opc] "i" (CPACF_KMAC) 467c3dcb058SHolger Dengler : "cc", "memory", "0", "1"); 468c3dcb058SHolger Dengler 469c3dcb058SHolger Dengler return src_len - s.odd; 470c3dcb058SHolger Dengler } 471c3dcb058SHolger Dengler 472c3dcb058SHolger Dengler /** 473c7d4d259SMartin Schwidefsky * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 474c7d4d259SMartin Schwidefsky * instruction 475c3dcb058SHolger Dengler * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines 476c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 477c7d4d259SMartin Schwidefsky * @src: address of source memory area 478c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 479c7d4d259SMartin Schwidefsky * 480c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for digest funcs 481c7d4d259SMartin Schwidefsky */ 482edc63a37SMartin Schwidefsky static inline int cpacf_kmac(unsigned long func, void *param, 483c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 484c7d4d259SMartin Schwidefsky { 485c3dcb058SHolger Dengler return _cpacf_kmac(&func, param, src, src_len); 486c7d4d259SMartin Schwidefsky } 487c7d4d259SMartin Schwidefsky 488c7d4d259SMartin Schwidefsky /** 489c7d4d259SMartin Schwidefsky * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction 490c7d4d259SMartin Schwidefsky * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines 491c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 492c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 493c7d4d259SMartin Schwidefsky * @src: address of source memory area 494c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 495c7d4d259SMartin Schwidefsky * @counter: address of counter value 496c7d4d259SMartin Schwidefsky * 497c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 498c7d4d259SMartin Schwidefsky * encryption/decryption funcs 499c7d4d259SMartin Schwidefsky */ 500edc63a37SMartin Schwidefsky static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, 501c7d4d259SMartin Schwidefsky const u8 *src, long src_len, u8 *counter) 502c7d4d259SMartin Schwidefsky { 503b84d0c41SHeiko Carstens union register_pair d, s, c; 504c7d4d259SMartin Schwidefsky 505b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 506b84d0c41SHeiko Carstens s.even = (unsigned long)src; 507b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 508b84d0c41SHeiko Carstens c.even = (unsigned long)counter; 509c7d4d259SMartin Schwidefsky asm volatile( 510b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 511b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 512c7d4d259SMartin Schwidefsky "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" 513c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 514b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), 515b84d0c41SHeiko Carstens [ctr] "+&d" (c.pair) 516b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 517b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMCTR) 518b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 519c7d4d259SMartin Schwidefsky 520b84d0c41SHeiko Carstens return src_len - s.odd; 521c7d4d259SMartin Schwidefsky } 522c7d4d259SMartin Schwidefsky 523c7d4d259SMartin Schwidefsky /** 524985a9d20SHarald Freudenberger * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION) 525c7d4d259SMartin Schwidefsky * instruction 526985a9d20SHarald Freudenberger * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines 527c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 528c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 529c7d4d259SMartin Schwidefsky * @dest_len: size of destination memory area in bytes 530c7d4d259SMartin Schwidefsky * @seed: address of seed data 531c7d4d259SMartin Schwidefsky * @seed_len: size of seed data in bytes 532c7d4d259SMartin Schwidefsky */ 533985a9d20SHarald Freudenberger static inline void cpacf_prno(unsigned long func, void *param, 534f75fa65dSHarald Freudenberger u8 *dest, unsigned long dest_len, 535f75fa65dSHarald Freudenberger const u8 *seed, unsigned long seed_len) 536c7d4d259SMartin Schwidefsky { 537b84d0c41SHeiko Carstens union register_pair d, s; 538c7d4d259SMartin Schwidefsky 539b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 540b84d0c41SHeiko Carstens d.odd = (unsigned long)dest_len; 541b84d0c41SHeiko Carstens s.even = (unsigned long)seed; 542b84d0c41SHeiko Carstens s.odd = (unsigned long)seed_len; 543c7d4d259SMartin Schwidefsky asm volatile ( 544b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 545b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 546c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" 547c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 548b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair) 549b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 550b84d0c41SHeiko Carstens [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) 551b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 552c7d4d259SMartin Schwidefsky } 553c7d4d259SMartin Schwidefsky 554c7d4d259SMartin Schwidefsky /** 555f75fa65dSHarald Freudenberger * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction 556f75fa65dSHarald Freudenberger * @ucbuf: buffer for unconditioned data 557f75fa65dSHarald Freudenberger * @ucbuf_len: amount of unconditioned data to fetch in bytes 558f75fa65dSHarald Freudenberger * @cbuf: buffer for conditioned data 559f75fa65dSHarald Freudenberger * @cbuf_len: amount of conditioned data to fetch in bytes 560f75fa65dSHarald Freudenberger */ 561f75fa65dSHarald Freudenberger static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, 562f75fa65dSHarald Freudenberger u8 *cbuf, unsigned long cbuf_len) 563f75fa65dSHarald Freudenberger { 564b84d0c41SHeiko Carstens union register_pair u, c; 565f75fa65dSHarald Freudenberger 566b84d0c41SHeiko Carstens u.even = (unsigned long)ucbuf; 567b84d0c41SHeiko Carstens u.odd = (unsigned long)ucbuf_len; 568b84d0c41SHeiko Carstens c.even = (unsigned long)cbuf; 569b84d0c41SHeiko Carstens c.odd = (unsigned long)cbuf_len; 570f75fa65dSHarald Freudenberger asm volatile ( 571b84d0c41SHeiko Carstens " lghi 0,%[fc]\n" 572f75fa65dSHarald Freudenberger "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" 573f75fa65dSHarald Freudenberger " brc 1,0b\n" /* handle partial completion */ 574b84d0c41SHeiko Carstens : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) 575b84d0c41SHeiko Carstens : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) 576b84d0c41SHeiko Carstens : "cc", "memory", "0"); 5778c208bc5SIlya Leoshkevich kmsan_unpoison_memory(ucbuf, ucbuf_len); 5788c208bc5SIlya Leoshkevich kmsan_unpoison_memory(cbuf, cbuf_len); 579f75fa65dSHarald Freudenberger } 580f75fa65dSHarald Freudenberger 581f75fa65dSHarald Freudenberger /** 582c7d4d259SMartin Schwidefsky * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) 583c7d4d259SMartin Schwidefsky * instruction 584c7d4d259SMartin Schwidefsky * @func: the function code passed to PCC; see CPACF_KM_xxx defines 585c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 586c7d4d259SMartin Schwidefsky */ 5870177db01SMartin Schwidefsky static inline void cpacf_pcc(unsigned long func, void *param) 588c7d4d259SMartin Schwidefsky { 589c7d4d259SMartin Schwidefsky asm volatile( 590b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 591b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 592c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ 593c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 594c7d4d259SMartin Schwidefsky : 595b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 596b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCC) 597b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 598c7d4d259SMartin Schwidefsky } 599c7d4d259SMartin Schwidefsky 60077606708SHarald Freudenberger /** 60177606708SHarald Freudenberger * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY 60277606708SHarald Freudenberger * MANAGEMENT) instruction 60377606708SHarald Freudenberger * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines 60477606708SHarald Freudenberger * @param: address of parameter block; see POP for details on each func 60577606708SHarald Freudenberger * 60677606708SHarald Freudenberger * Returns 0. 60777606708SHarald Freudenberger */ 60877606708SHarald Freudenberger static inline void cpacf_pckmo(long func, void *param) 60977606708SHarald Freudenberger { 61077606708SHarald Freudenberger asm volatile( 611b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 612b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 61377606708SHarald Freudenberger " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ 61477606708SHarald Freudenberger : 615b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 616b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCKMO) 617b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 61877606708SHarald Freudenberger } 61977606708SHarald Freudenberger 620eecd49c4SPatrick Steuer /** 621eecd49c4SPatrick Steuer * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 622eecd49c4SPatrick Steuer * instruction 623eecd49c4SPatrick Steuer * @func: the function code passed to KMA; see CPACF_KMA_xxx defines 624eecd49c4SPatrick Steuer * @param: address of parameter block; see POP for details on each func 625eecd49c4SPatrick Steuer * @dest: address of destination memory area 626eecd49c4SPatrick Steuer * @src: address of source memory area 627eecd49c4SPatrick Steuer * @src_len: length of src operand in bytes 628eecd49c4SPatrick Steuer * @aad: address of additional authenticated data memory area 629eecd49c4SPatrick Steuer * @aad_len: length of aad operand in bytes 630eecd49c4SPatrick Steuer */ 631eecd49c4SPatrick Steuer static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, 632eecd49c4SPatrick Steuer const u8 *src, unsigned long src_len, 633eecd49c4SPatrick Steuer const u8 *aad, unsigned long aad_len) 634eecd49c4SPatrick Steuer { 635b84d0c41SHeiko Carstens union register_pair d, s, a; 636eecd49c4SPatrick Steuer 637b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 638b84d0c41SHeiko Carstens s.even = (unsigned long)src; 639b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 640b84d0c41SHeiko Carstens a.even = (unsigned long)aad; 641b84d0c41SHeiko Carstens a.odd = (unsigned long)aad_len; 642eecd49c4SPatrick Steuer asm volatile( 643b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 644b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 645eecd49c4SPatrick Steuer "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" 646eecd49c4SPatrick Steuer " brc 1,0b\n" /* handle partial completion */ 647b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), 648b84d0c41SHeiko Carstens [aad] "+&d" (a.pair) 649b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 650b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMA) 651b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 652eecd49c4SPatrick Steuer } 653eecd49c4SPatrick Steuer 654c7d4d259SMartin Schwidefsky #endif /* _ASM_S390_CPACF_H */ 655