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 126*c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_224 0x70 127*c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_256 0x71 128*c3dcb058SHolger Dengler #define CPACF_KMAC_HMAC_SHA_384 0x72 129*c3dcb058SHolger 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 17469c0e360SMartin Schwidefsky typedef struct { unsigned char bytes[16]; } cpacf_mask_t; 17569c0e360SMartin Schwidefsky 17632e8bd64SHarald Freudenberger /* 17732e8bd64SHarald Freudenberger * Prototype for a not existing function to produce a link 17832e8bd64SHarald Freudenberger * error if __cpacf_query() or __cpacf_check_opcode() is used 17932e8bd64SHarald Freudenberger * with an invalid compile time const opcode. 18032e8bd64SHarald Freudenberger */ 18132e8bd64SHarald Freudenberger void __cpacf_bad_opcode(void); 18232e8bd64SHarald Freudenberger 183830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2, 184830999bdSHarald Freudenberger cpacf_mask_t *mask) 185c7d4d259SMartin Schwidefsky { 186c7d4d259SMartin Schwidefsky asm volatile( 187830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 188830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 189830999bdSHarald Freudenberger " .insn rre,%[opc] << 16,%[r1],%[r2]\n" 190830999bdSHarald Freudenberger : [mask] "=R" (*mask) 191830999bdSHarald Freudenberger : [opc] "i" (opc), 192830999bdSHarald Freudenberger [r1] "i" (r1), [r2] "i" (r2) 193830999bdSHarald Freudenberger : "cc", "r0", "r1"); 194830999bdSHarald Freudenberger } 195830999bdSHarald Freudenberger 196830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rrf(u32 opc, 197830999bdSHarald Freudenberger u8 r1, u8 r2, u8 r3, u8 m4, 198830999bdSHarald Freudenberger cpacf_mask_t *mask) 199830999bdSHarald Freudenberger { 200830999bdSHarald Freudenberger asm volatile( 201830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 202830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 203830999bdSHarald Freudenberger " .insn rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n" 204830999bdSHarald Freudenberger : [mask] "=R" (*mask) 205830999bdSHarald Freudenberger : [opc] "i" (opc), [r1] "i" (r1), [r2] "i" (r2), 206830999bdSHarald Freudenberger [r3] "i" (r3), [m4] "i" (m4) 207830999bdSHarald Freudenberger : "cc", "r0", "r1"); 208830999bdSHarald Freudenberger } 209830999bdSHarald Freudenberger 210830999bdSHarald Freudenberger static __always_inline void __cpacf_query(unsigned int opcode, 211830999bdSHarald Freudenberger cpacf_mask_t *mask) 212830999bdSHarald Freudenberger { 213830999bdSHarald Freudenberger switch (opcode) { 214830999bdSHarald Freudenberger case CPACF_KDSA: 215830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KDSA, 0, 2, mask); 216830999bdSHarald Freudenberger break; 217830999bdSHarald Freudenberger case CPACF_KIMD: 218830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KIMD, 0, 2, mask); 219830999bdSHarald Freudenberger break; 220830999bdSHarald Freudenberger case CPACF_KLMD: 221830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KLMD, 0, 2, mask); 222830999bdSHarald Freudenberger break; 223830999bdSHarald Freudenberger case CPACF_KM: 224830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KM, 2, 4, mask); 225830999bdSHarald Freudenberger break; 226830999bdSHarald Freudenberger case CPACF_KMA: 227830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, mask); 228830999bdSHarald Freudenberger break; 229830999bdSHarald Freudenberger case CPACF_KMAC: 230830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMAC, 0, 2, mask); 231830999bdSHarald Freudenberger break; 232830999bdSHarald Freudenberger case CPACF_KMC: 233830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMC, 2, 4, mask); 234830999bdSHarald Freudenberger break; 235830999bdSHarald Freudenberger case CPACF_KMCTR: 236830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, mask); 237830999bdSHarald Freudenberger break; 238830999bdSHarald Freudenberger case CPACF_KMF: 239830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMF, 2, 4, mask); 240830999bdSHarald Freudenberger break; 241830999bdSHarald Freudenberger case CPACF_KMO: 242830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMO, 2, 4, mask); 243830999bdSHarald Freudenberger break; 244830999bdSHarald Freudenberger case CPACF_PCC: 245830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCC, 0, 0, mask); 246830999bdSHarald Freudenberger break; 247830999bdSHarald Freudenberger case CPACF_PCKMO: 248830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCKMO, 0, 0, mask); 249830999bdSHarald Freudenberger break; 250830999bdSHarald Freudenberger case CPACF_PRNO: 251830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PRNO, 2, 4, mask); 252830999bdSHarald Freudenberger break; 253830999bdSHarald Freudenberger default: 25432e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 255830999bdSHarald Freudenberger } 256c7d4d259SMartin Schwidefsky } 257c7d4d259SMartin Schwidefsky 258d83623c5SMasahiro Yamada static __always_inline int __cpacf_check_opcode(unsigned int opcode) 259c7d4d259SMartin Schwidefsky { 260c7d4d259SMartin Schwidefsky switch (opcode) { 261c7d4d259SMartin Schwidefsky case CPACF_KMAC: 262c7d4d259SMartin Schwidefsky case CPACF_KM: 263c7d4d259SMartin Schwidefsky case CPACF_KMC: 264c7d4d259SMartin Schwidefsky case CPACF_KIMD: 265c7d4d259SMartin Schwidefsky case CPACF_KLMD: 26669c0e360SMartin Schwidefsky return test_facility(17); /* check for MSA */ 2671afd43e0SDavid Hildenbrand case CPACF_PCKMO: 26869c0e360SMartin Schwidefsky return test_facility(76); /* check for MSA3 */ 2691afd43e0SDavid Hildenbrand case CPACF_KMF: 2701afd43e0SDavid Hildenbrand case CPACF_KMO: 271c7d4d259SMartin Schwidefsky case CPACF_PCC: 272c7d4d259SMartin Schwidefsky case CPACF_KMCTR: 27369c0e360SMartin Schwidefsky return test_facility(77); /* check for MSA4 */ 274985a9d20SHarald Freudenberger case CPACF_PRNO: 27569c0e360SMartin Schwidefsky return test_facility(57); /* check for MSA5 */ 276eecd49c4SPatrick Steuer case CPACF_KMA: 277eecd49c4SPatrick Steuer return test_facility(146); /* check for MSA8 */ 278c7d4d259SMartin Schwidefsky default: 27932e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 28032e8bd64SHarald Freudenberger return 0; 281c7d4d259SMartin Schwidefsky } 28269c0e360SMartin Schwidefsky } 28369c0e360SMartin Schwidefsky 284830999bdSHarald Freudenberger /** 285830999bdSHarald Freudenberger * cpacf_query() - check if a specific CPACF function is available 286830999bdSHarald Freudenberger * @opcode: the opcode of the crypto instruction 287830999bdSHarald Freudenberger * @func: the function code to test for 288830999bdSHarald Freudenberger * 289830999bdSHarald Freudenberger * Executes the query function for the given crypto instruction @opcode 290830999bdSHarald Freudenberger * and checks if @func is available 291830999bdSHarald Freudenberger * 292830999bdSHarald Freudenberger * Returns 1 if @func is available for @opcode, 0 otherwise 293830999bdSHarald Freudenberger */ 294e60fb8bfSMasahiro Yamada static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask) 29569c0e360SMartin Schwidefsky { 29669c0e360SMartin Schwidefsky if (__cpacf_check_opcode(opcode)) { 29769c0e360SMartin Schwidefsky __cpacf_query(opcode, mask); 29869c0e360SMartin Schwidefsky return 1; 29969c0e360SMartin Schwidefsky } 30069c0e360SMartin Schwidefsky memset(mask, 0, sizeof(*mask)); 30169c0e360SMartin Schwidefsky return 0; 30269c0e360SMartin Schwidefsky } 30369c0e360SMartin Schwidefsky 30469c0e360SMartin Schwidefsky static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func) 30569c0e360SMartin Schwidefsky { 30669c0e360SMartin Schwidefsky return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0; 30769c0e360SMartin Schwidefsky } 30869c0e360SMartin Schwidefsky 309d83623c5SMasahiro Yamada static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int func) 31069c0e360SMartin Schwidefsky { 31169c0e360SMartin Schwidefsky cpacf_mask_t mask; 31269c0e360SMartin Schwidefsky 31369c0e360SMartin Schwidefsky if (cpacf_query(opcode, &mask)) 31469c0e360SMartin Schwidefsky return cpacf_test_func(&mask, func); 31569c0e360SMartin Schwidefsky return 0; 316c7d4d259SMartin Schwidefsky } 317c7d4d259SMartin Schwidefsky 318c7d4d259SMartin Schwidefsky /** 319c7d4d259SMartin Schwidefsky * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction 320c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KM_xxx defines 321c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 322c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 323c7d4d259SMartin Schwidefsky * @src: address of source memory area 324c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 325c7d4d259SMartin Schwidefsky * 326c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 327c7d4d259SMartin Schwidefsky * encryption/decryption funcs 328c7d4d259SMartin Schwidefsky */ 329edc63a37SMartin Schwidefsky static inline int cpacf_km(unsigned long func, void *param, 330c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 331c7d4d259SMartin Schwidefsky { 332b84d0c41SHeiko Carstens union register_pair d, s; 333c7d4d259SMartin Schwidefsky 334b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 335b84d0c41SHeiko Carstens s.even = (unsigned long)src; 336b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 337c7d4d259SMartin Schwidefsky asm volatile( 338b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 339b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 340c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 341c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 342b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 343b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 344b84d0c41SHeiko Carstens [opc] "i" (CPACF_KM) 345b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 346c7d4d259SMartin Schwidefsky 347b84d0c41SHeiko Carstens return src_len - s.odd; 348c7d4d259SMartin Schwidefsky } 349c7d4d259SMartin Schwidefsky 350c7d4d259SMartin Schwidefsky /** 351c7d4d259SMartin Schwidefsky * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction 352c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KMC_xxx defines 353c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 354c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 355c7d4d259SMartin Schwidefsky * @src: address of source memory area 356c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 357c7d4d259SMartin Schwidefsky * 358c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 359c7d4d259SMartin Schwidefsky * encryption/decryption funcs 360c7d4d259SMartin Schwidefsky */ 361edc63a37SMartin Schwidefsky static inline int cpacf_kmc(unsigned long func, void *param, 362c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 363c7d4d259SMartin Schwidefsky { 364b84d0c41SHeiko Carstens union register_pair d, s; 365c7d4d259SMartin Schwidefsky 366b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 367b84d0c41SHeiko Carstens s.even = (unsigned long)src; 368b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 369c7d4d259SMartin Schwidefsky asm volatile( 370b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 371b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 372c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 373c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 374b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 375b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 376b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMC) 377b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 378c7d4d259SMartin Schwidefsky 379b84d0c41SHeiko Carstens return src_len - s.odd; 380c7d4d259SMartin Schwidefsky } 381c7d4d259SMartin Schwidefsky 382c7d4d259SMartin Schwidefsky /** 383c7d4d259SMartin Schwidefsky * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) 384c7d4d259SMartin Schwidefsky * instruction 385c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KIMD_xxx defines 386c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 387c7d4d259SMartin Schwidefsky * @src: address of source memory area 388c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 389c7d4d259SMartin Schwidefsky */ 3900177db01SMartin Schwidefsky static inline void cpacf_kimd(unsigned long func, void *param, 391c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 392c7d4d259SMartin Schwidefsky { 393b84d0c41SHeiko Carstens union register_pair s; 394c7d4d259SMartin Schwidefsky 395b84d0c41SHeiko Carstens s.even = (unsigned long)src; 396b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 397c7d4d259SMartin Schwidefsky asm volatile( 398b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 399b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 400c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,%[src]\n" 401c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 402b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 403b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), 404b84d0c41SHeiko Carstens [opc] "i" (CPACF_KIMD) 405b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 406c7d4d259SMartin Schwidefsky } 407c7d4d259SMartin Schwidefsky 408c7d4d259SMartin Schwidefsky /** 409c7d4d259SMartin Schwidefsky * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction 410c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KLMD_xxx defines 411c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 412c7d4d259SMartin Schwidefsky * @src: address of source memory area 413c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 414c7d4d259SMartin Schwidefsky */ 4150177db01SMartin Schwidefsky static inline void cpacf_klmd(unsigned long func, void *param, 416c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 417c7d4d259SMartin Schwidefsky { 418b84d0c41SHeiko Carstens union register_pair s; 419c7d4d259SMartin Schwidefsky 420b84d0c41SHeiko Carstens s.even = (unsigned long)src; 421b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 422c7d4d259SMartin Schwidefsky asm volatile( 423b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 424b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 425c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,%[src]\n" 426c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 427b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 428b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 429b84d0c41SHeiko Carstens [opc] "i" (CPACF_KLMD) 430b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 431c7d4d259SMartin Schwidefsky } 432c7d4d259SMartin Schwidefsky 433c7d4d259SMartin Schwidefsky /** 434*c3dcb058SHolger Dengler * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 435*c3dcb058SHolger Dengler * instruction and updates flags in gr0 436*c3dcb058SHolger Dengler * @gr0: pointer to gr0 (fc and flags) passed to KMAC; see CPACF_KMAC_xxx defines 437*c3dcb058SHolger Dengler * @param: address of parameter block; see POP for details on each func 438*c3dcb058SHolger Dengler * @src: address of source memory area 439*c3dcb058SHolger Dengler * @src_len: length of src operand in bytes 440*c3dcb058SHolger Dengler * 441*c3dcb058SHolger Dengler * Returns 0 for the query func, number of processed bytes for digest funcs 442*c3dcb058SHolger Dengler */ 443*c3dcb058SHolger Dengler static inline int _cpacf_kmac(unsigned long *gr0, void *param, 444*c3dcb058SHolger Dengler const u8 *src, long src_len) 445*c3dcb058SHolger Dengler { 446*c3dcb058SHolger Dengler union register_pair s; 447*c3dcb058SHolger Dengler 448*c3dcb058SHolger Dengler s.even = (unsigned long)src; 449*c3dcb058SHolger Dengler s.odd = (unsigned long)src_len; 450*c3dcb058SHolger Dengler asm volatile( 451*c3dcb058SHolger Dengler " lgr 0,%[r0]\n" 452*c3dcb058SHolger Dengler " lgr 1,%[pba]\n" 453*c3dcb058SHolger Dengler "0: .insn rre,%[opc] << 16,0,%[src]\n" 454*c3dcb058SHolger Dengler " brc 1,0b\n" /* handle partial completion */ 455*c3dcb058SHolger Dengler " lgr %[r0],0\n" 456*c3dcb058SHolger Dengler : [r0] "+d" (*gr0), [src] "+&d" (s.pair) 457*c3dcb058SHolger Dengler : [pba] "d" ((unsigned long)param), 458*c3dcb058SHolger Dengler [opc] "i" (CPACF_KMAC) 459*c3dcb058SHolger Dengler : "cc", "memory", "0", "1"); 460*c3dcb058SHolger Dengler 461*c3dcb058SHolger Dengler return src_len - s.odd; 462*c3dcb058SHolger Dengler } 463*c3dcb058SHolger Dengler 464*c3dcb058SHolger Dengler /** 465c7d4d259SMartin Schwidefsky * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 466c7d4d259SMartin Schwidefsky * instruction 467*c3dcb058SHolger Dengler * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines 468c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 469c7d4d259SMartin Schwidefsky * @src: address of source memory area 470c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 471c7d4d259SMartin Schwidefsky * 472c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for digest funcs 473c7d4d259SMartin Schwidefsky */ 474edc63a37SMartin Schwidefsky static inline int cpacf_kmac(unsigned long func, void *param, 475c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 476c7d4d259SMartin Schwidefsky { 477*c3dcb058SHolger Dengler return _cpacf_kmac(&func, param, src, src_len); 478c7d4d259SMartin Schwidefsky } 479c7d4d259SMartin Schwidefsky 480c7d4d259SMartin Schwidefsky /** 481c7d4d259SMartin Schwidefsky * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction 482c7d4d259SMartin Schwidefsky * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines 483c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 484c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 485c7d4d259SMartin Schwidefsky * @src: address of source memory area 486c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 487c7d4d259SMartin Schwidefsky * @counter: address of counter value 488c7d4d259SMartin Schwidefsky * 489c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 490c7d4d259SMartin Schwidefsky * encryption/decryption funcs 491c7d4d259SMartin Schwidefsky */ 492edc63a37SMartin Schwidefsky static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, 493c7d4d259SMartin Schwidefsky const u8 *src, long src_len, u8 *counter) 494c7d4d259SMartin Schwidefsky { 495b84d0c41SHeiko Carstens union register_pair d, s, c; 496c7d4d259SMartin Schwidefsky 497b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 498b84d0c41SHeiko Carstens s.even = (unsigned long)src; 499b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 500b84d0c41SHeiko Carstens c.even = (unsigned long)counter; 501c7d4d259SMartin Schwidefsky asm volatile( 502b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 503b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 504c7d4d259SMartin Schwidefsky "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" 505c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 506b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), 507b84d0c41SHeiko Carstens [ctr] "+&d" (c.pair) 508b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 509b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMCTR) 510b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 511c7d4d259SMartin Schwidefsky 512b84d0c41SHeiko Carstens return src_len - s.odd; 513c7d4d259SMartin Schwidefsky } 514c7d4d259SMartin Schwidefsky 515c7d4d259SMartin Schwidefsky /** 516985a9d20SHarald Freudenberger * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION) 517c7d4d259SMartin Schwidefsky * instruction 518985a9d20SHarald Freudenberger * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines 519c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 520c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 521c7d4d259SMartin Schwidefsky * @dest_len: size of destination memory area in bytes 522c7d4d259SMartin Schwidefsky * @seed: address of seed data 523c7d4d259SMartin Schwidefsky * @seed_len: size of seed data in bytes 524c7d4d259SMartin Schwidefsky */ 525985a9d20SHarald Freudenberger static inline void cpacf_prno(unsigned long func, void *param, 526f75fa65dSHarald Freudenberger u8 *dest, unsigned long dest_len, 527f75fa65dSHarald Freudenberger const u8 *seed, unsigned long seed_len) 528c7d4d259SMartin Schwidefsky { 529b84d0c41SHeiko Carstens union register_pair d, s; 530c7d4d259SMartin Schwidefsky 531b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 532b84d0c41SHeiko Carstens d.odd = (unsigned long)dest_len; 533b84d0c41SHeiko Carstens s.even = (unsigned long)seed; 534b84d0c41SHeiko Carstens s.odd = (unsigned long)seed_len; 535c7d4d259SMartin Schwidefsky asm volatile ( 536b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 537b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 538c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" 539c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 540b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair) 541b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 542b84d0c41SHeiko Carstens [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) 543b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 544c7d4d259SMartin Schwidefsky } 545c7d4d259SMartin Schwidefsky 546c7d4d259SMartin Schwidefsky /** 547f75fa65dSHarald Freudenberger * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction 548f75fa65dSHarald Freudenberger * @ucbuf: buffer for unconditioned data 549f75fa65dSHarald Freudenberger * @ucbuf_len: amount of unconditioned data to fetch in bytes 550f75fa65dSHarald Freudenberger * @cbuf: buffer for conditioned data 551f75fa65dSHarald Freudenberger * @cbuf_len: amount of conditioned data to fetch in bytes 552f75fa65dSHarald Freudenberger */ 553f75fa65dSHarald Freudenberger static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, 554f75fa65dSHarald Freudenberger u8 *cbuf, unsigned long cbuf_len) 555f75fa65dSHarald Freudenberger { 556b84d0c41SHeiko Carstens union register_pair u, c; 557f75fa65dSHarald Freudenberger 558b84d0c41SHeiko Carstens u.even = (unsigned long)ucbuf; 559b84d0c41SHeiko Carstens u.odd = (unsigned long)ucbuf_len; 560b84d0c41SHeiko Carstens c.even = (unsigned long)cbuf; 561b84d0c41SHeiko Carstens c.odd = (unsigned long)cbuf_len; 562f75fa65dSHarald Freudenberger asm volatile ( 563b84d0c41SHeiko Carstens " lghi 0,%[fc]\n" 564f75fa65dSHarald Freudenberger "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" 565f75fa65dSHarald Freudenberger " brc 1,0b\n" /* handle partial completion */ 566b84d0c41SHeiko Carstens : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) 567b84d0c41SHeiko Carstens : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) 568b84d0c41SHeiko Carstens : "cc", "memory", "0"); 5698c208bc5SIlya Leoshkevich kmsan_unpoison_memory(ucbuf, ucbuf_len); 5708c208bc5SIlya Leoshkevich kmsan_unpoison_memory(cbuf, cbuf_len); 571f75fa65dSHarald Freudenberger } 572f75fa65dSHarald Freudenberger 573f75fa65dSHarald Freudenberger /** 574c7d4d259SMartin Schwidefsky * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) 575c7d4d259SMartin Schwidefsky * instruction 576c7d4d259SMartin Schwidefsky * @func: the function code passed to PCC; see CPACF_KM_xxx defines 577c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 578c7d4d259SMartin Schwidefsky */ 5790177db01SMartin Schwidefsky static inline void cpacf_pcc(unsigned long func, void *param) 580c7d4d259SMartin Schwidefsky { 581c7d4d259SMartin Schwidefsky asm volatile( 582b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 583b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 584c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ 585c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 586c7d4d259SMartin Schwidefsky : 587b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 588b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCC) 589b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 590c7d4d259SMartin Schwidefsky } 591c7d4d259SMartin Schwidefsky 59277606708SHarald Freudenberger /** 59377606708SHarald Freudenberger * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY 59477606708SHarald Freudenberger * MANAGEMENT) instruction 59577606708SHarald Freudenberger * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines 59677606708SHarald Freudenberger * @param: address of parameter block; see POP for details on each func 59777606708SHarald Freudenberger * 59877606708SHarald Freudenberger * Returns 0. 59977606708SHarald Freudenberger */ 60077606708SHarald Freudenberger static inline void cpacf_pckmo(long func, void *param) 60177606708SHarald Freudenberger { 60277606708SHarald Freudenberger asm volatile( 603b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 604b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 60577606708SHarald Freudenberger " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ 60677606708SHarald Freudenberger : 607b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 608b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCKMO) 609b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 61077606708SHarald Freudenberger } 61177606708SHarald Freudenberger 612eecd49c4SPatrick Steuer /** 613eecd49c4SPatrick Steuer * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 614eecd49c4SPatrick Steuer * instruction 615eecd49c4SPatrick Steuer * @func: the function code passed to KMA; see CPACF_KMA_xxx defines 616eecd49c4SPatrick Steuer * @param: address of parameter block; see POP for details on each func 617eecd49c4SPatrick Steuer * @dest: address of destination memory area 618eecd49c4SPatrick Steuer * @src: address of source memory area 619eecd49c4SPatrick Steuer * @src_len: length of src operand in bytes 620eecd49c4SPatrick Steuer * @aad: address of additional authenticated data memory area 621eecd49c4SPatrick Steuer * @aad_len: length of aad operand in bytes 622eecd49c4SPatrick Steuer */ 623eecd49c4SPatrick Steuer static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, 624eecd49c4SPatrick Steuer const u8 *src, unsigned long src_len, 625eecd49c4SPatrick Steuer const u8 *aad, unsigned long aad_len) 626eecd49c4SPatrick Steuer { 627b84d0c41SHeiko Carstens union register_pair d, s, a; 628eecd49c4SPatrick Steuer 629b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 630b84d0c41SHeiko Carstens s.even = (unsigned long)src; 631b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 632b84d0c41SHeiko Carstens a.even = (unsigned long)aad; 633b84d0c41SHeiko Carstens a.odd = (unsigned long)aad_len; 634eecd49c4SPatrick Steuer asm volatile( 635b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 636b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 637eecd49c4SPatrick Steuer "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" 638eecd49c4SPatrick Steuer " brc 1,0b\n" /* handle partial completion */ 639b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), 640b84d0c41SHeiko Carstens [aad] "+&d" (a.pair) 641b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 642b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMA) 643b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 644eecd49c4SPatrick Steuer } 645eecd49c4SPatrick Steuer 646c7d4d259SMartin Schwidefsky #endif /* _ASM_S390_CPACF_H */ 647