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 1428fe32188SHarald Freudenberger #define CPACF_PCKMO_ENC_AES_XTS_128_DOUBLE_KEY 0x15 1438fe32188SHarald Freudenberger #define CPACF_PCKMO_ENC_AES_XTS_256_DOUBLE_KEY 0x16 1449e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P256_KEY 0x20 1459e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P384_KEY 0x21 1469e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_P521_KEY 0x22 1479e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_ED25519_KEY 0x28 1489e436c19SHarald Freudenberger #define CPACF_PCKMO_ENC_ECC_ED448_KEY 0x29 1498fe32188SHarald Freudenberger #define CPACF_PCKMO_ENC_HMAC_512_KEY 0x76 1508fe32188SHarald Freudenberger #define CPACF_PCKMO_ENC_HMAC_1024_KEY 0x7a 15177606708SHarald Freudenberger 15277606708SHarald Freudenberger /* 153985a9d20SHarald Freudenberger * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION) 154edc63a37SMartin Schwidefsky * instruction 155c7d4d259SMartin Schwidefsky */ 156985a9d20SHarald Freudenberger #define CPACF_PRNO_QUERY 0x00 157985a9d20SHarald Freudenberger #define CPACF_PRNO_SHA512_DRNG_GEN 0x03 158985a9d20SHarald Freudenberger #define CPACF_PRNO_SHA512_DRNG_SEED 0x83 159f75fa65dSHarald Freudenberger #define CPACF_PRNO_TRNG_Q_R2C_RATIO 0x70 160f75fa65dSHarald Freudenberger #define CPACF_PRNO_TRNG 0x72 161c7d4d259SMartin Schwidefsky 162eecd49c4SPatrick Steuer /* 163eecd49c4SPatrick Steuer * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 164eecd49c4SPatrick Steuer * instruction 165eecd49c4SPatrick Steuer */ 166eecd49c4SPatrick Steuer #define CPACF_KMA_QUERY 0x00 167eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_128 0x12 168eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_192 0x13 169eecd49c4SPatrick Steuer #define CPACF_KMA_GCM_AES_256 0x14 170eecd49c4SPatrick Steuer 171eecd49c4SPatrick Steuer /* 172eecd49c4SPatrick Steuer * Flags for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction 173eecd49c4SPatrick Steuer */ 174eecd49c4SPatrick Steuer #define CPACF_KMA_LPC 0x100 /* Last-Plaintext/Ciphertext */ 175eecd49c4SPatrick Steuer #define CPACF_KMA_LAAD 0x200 /* Last-AAD */ 176eecd49c4SPatrick Steuer #define CPACF_KMA_HS 0x400 /* Hash-subkey Supplied */ 177eecd49c4SPatrick Steuer 17888c02b3fSJoerg Schmidbauer /* 17988c02b3fSJoerg Schmidbauer * Flags for the KIMD/KLMD (COMPUTE INTERMEDIATE/LAST MESSAGE DIGEST) 18088c02b3fSJoerg Schmidbauer * instructions 18188c02b3fSJoerg Schmidbauer */ 18288c02b3fSJoerg Schmidbauer #define CPACF_KIMD_NIP 0x8000 18388c02b3fSJoerg Schmidbauer #define CPACF_KLMD_DUFOP 0x4000 18488c02b3fSJoerg Schmidbauer #define CPACF_KLMD_NIP 0x8000 18588c02b3fSJoerg Schmidbauer 186*d2dec49dSFinn Callies /* 187*d2dec49dSFinn Callies * Function codes for KDSA (COMPUTE DIGITAL SIGNATURE AUTHENTICATION) 188*d2dec49dSFinn Callies * instruction 189*d2dec49dSFinn Callies */ 190*d2dec49dSFinn Callies #define CPACF_KDSA_QUERY 0x00 191*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P256 0x01 192*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P384 0x02 193*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P521 0x03 194*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P256 0x09 195*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P384 0x0a 196*d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P521 0x0b 197*d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P256 0x11 198*d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P384 0x12 199*d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P521 0x13 200*d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_VERIFY_ED25519 0x20 201*d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_VERIFY_ED448 0x24 202*d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_SIGN_ED25519 0x28 203*d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_SIGN_ED448 0x2c 204*d2dec49dSFinn Callies #define CPACF_KDSA_ENC_EDDSA_SIGN_ED25519 0x30 205*d2dec49dSFinn Callies #define CPACF_KDSA_ENC_EDDSA_SIGN_ED448 0x34 206*d2dec49dSFinn Callies 20769c0e360SMartin Schwidefsky typedef struct { unsigned char bytes[16]; } cpacf_mask_t; 20869c0e360SMartin Schwidefsky 20932e8bd64SHarald Freudenberger /* 21032e8bd64SHarald Freudenberger * Prototype for a not existing function to produce a link 21132e8bd64SHarald Freudenberger * error if __cpacf_query() or __cpacf_check_opcode() is used 21232e8bd64SHarald Freudenberger * with an invalid compile time const opcode. 21332e8bd64SHarald Freudenberger */ 21432e8bd64SHarald Freudenberger void __cpacf_bad_opcode(void); 21532e8bd64SHarald Freudenberger 216830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2, 217830999bdSHarald Freudenberger cpacf_mask_t *mask) 218c7d4d259SMartin Schwidefsky { 219c7d4d259SMartin Schwidefsky asm volatile( 220830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 221830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 222830999bdSHarald Freudenberger " .insn rre,%[opc] << 16,%[r1],%[r2]\n" 223830999bdSHarald Freudenberger : [mask] "=R" (*mask) 224830999bdSHarald Freudenberger : [opc] "i" (opc), 225830999bdSHarald Freudenberger [r1] "i" (r1), [r2] "i" (r2) 226830999bdSHarald Freudenberger : "cc", "r0", "r1"); 227830999bdSHarald Freudenberger } 228830999bdSHarald Freudenberger 229830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rrf(u32 opc, 230830999bdSHarald Freudenberger u8 r1, u8 r2, u8 r3, u8 m4, 231830999bdSHarald Freudenberger cpacf_mask_t *mask) 232830999bdSHarald Freudenberger { 233830999bdSHarald Freudenberger asm volatile( 234830999bdSHarald Freudenberger " la %%r1,%[mask]\n" 235830999bdSHarald Freudenberger " xgr %%r0,%%r0\n" 236830999bdSHarald Freudenberger " .insn rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n" 237830999bdSHarald Freudenberger : [mask] "=R" (*mask) 238830999bdSHarald Freudenberger : [opc] "i" (opc), [r1] "i" (r1), [r2] "i" (r2), 239830999bdSHarald Freudenberger [r3] "i" (r3), [m4] "i" (m4) 240830999bdSHarald Freudenberger : "cc", "r0", "r1"); 241830999bdSHarald Freudenberger } 242830999bdSHarald Freudenberger 243830999bdSHarald Freudenberger static __always_inline void __cpacf_query(unsigned int opcode, 244830999bdSHarald Freudenberger cpacf_mask_t *mask) 245830999bdSHarald Freudenberger { 246830999bdSHarald Freudenberger switch (opcode) { 247830999bdSHarald Freudenberger case CPACF_KDSA: 248830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KDSA, 0, 2, mask); 249830999bdSHarald Freudenberger break; 250830999bdSHarald Freudenberger case CPACF_KIMD: 251830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KIMD, 0, 2, mask); 252830999bdSHarald Freudenberger break; 253830999bdSHarald Freudenberger case CPACF_KLMD: 254830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KLMD, 0, 2, mask); 255830999bdSHarald Freudenberger break; 256830999bdSHarald Freudenberger case CPACF_KM: 257830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KM, 2, 4, mask); 258830999bdSHarald Freudenberger break; 259830999bdSHarald Freudenberger case CPACF_KMA: 260830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, mask); 261830999bdSHarald Freudenberger break; 262830999bdSHarald Freudenberger case CPACF_KMAC: 263830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMAC, 0, 2, mask); 264830999bdSHarald Freudenberger break; 265830999bdSHarald Freudenberger case CPACF_KMC: 266830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMC, 2, 4, mask); 267830999bdSHarald Freudenberger break; 268830999bdSHarald Freudenberger case CPACF_KMCTR: 269830999bdSHarald Freudenberger __cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, mask); 270830999bdSHarald Freudenberger break; 271830999bdSHarald Freudenberger case CPACF_KMF: 272830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMF, 2, 4, mask); 273830999bdSHarald Freudenberger break; 274830999bdSHarald Freudenberger case CPACF_KMO: 275830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_KMO, 2, 4, mask); 276830999bdSHarald Freudenberger break; 277830999bdSHarald Freudenberger case CPACF_PCC: 278830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCC, 0, 0, mask); 279830999bdSHarald Freudenberger break; 280830999bdSHarald Freudenberger case CPACF_PCKMO: 281830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PCKMO, 0, 0, mask); 282830999bdSHarald Freudenberger break; 283830999bdSHarald Freudenberger case CPACF_PRNO: 284830999bdSHarald Freudenberger __cpacf_query_rre(CPACF_PRNO, 2, 4, mask); 285830999bdSHarald Freudenberger break; 286830999bdSHarald Freudenberger default: 28732e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 288830999bdSHarald Freudenberger } 289c7d4d259SMartin Schwidefsky } 290c7d4d259SMartin Schwidefsky 291d83623c5SMasahiro Yamada static __always_inline int __cpacf_check_opcode(unsigned int opcode) 292c7d4d259SMartin Schwidefsky { 293c7d4d259SMartin Schwidefsky switch (opcode) { 294c7d4d259SMartin Schwidefsky case CPACF_KMAC: 295c7d4d259SMartin Schwidefsky case CPACF_KM: 296c7d4d259SMartin Schwidefsky case CPACF_KMC: 297c7d4d259SMartin Schwidefsky case CPACF_KIMD: 298c7d4d259SMartin Schwidefsky case CPACF_KLMD: 29969c0e360SMartin Schwidefsky return test_facility(17); /* check for MSA */ 3001afd43e0SDavid Hildenbrand case CPACF_PCKMO: 30169c0e360SMartin Schwidefsky return test_facility(76); /* check for MSA3 */ 3021afd43e0SDavid Hildenbrand case CPACF_KMF: 3031afd43e0SDavid Hildenbrand case CPACF_KMO: 304c7d4d259SMartin Schwidefsky case CPACF_PCC: 305c7d4d259SMartin Schwidefsky case CPACF_KMCTR: 30669c0e360SMartin Schwidefsky return test_facility(77); /* check for MSA4 */ 307985a9d20SHarald Freudenberger case CPACF_PRNO: 30869c0e360SMartin Schwidefsky return test_facility(57); /* check for MSA5 */ 309eecd49c4SPatrick Steuer case CPACF_KMA: 310eecd49c4SPatrick Steuer return test_facility(146); /* check for MSA8 */ 311*d2dec49dSFinn Callies case CPACF_KDSA: 312*d2dec49dSFinn Callies return test_facility(155); /* check for MSA9 */ 313c7d4d259SMartin Schwidefsky default: 31432e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 31532e8bd64SHarald Freudenberger return 0; 316c7d4d259SMartin Schwidefsky } 31769c0e360SMartin Schwidefsky } 31869c0e360SMartin Schwidefsky 319830999bdSHarald Freudenberger /** 320830999bdSHarald Freudenberger * cpacf_query() - check if a specific CPACF function is available 321830999bdSHarald Freudenberger * @opcode: the opcode of the crypto instruction 322830999bdSHarald Freudenberger * @func: the function code to test for 323830999bdSHarald Freudenberger * 324830999bdSHarald Freudenberger * Executes the query function for the given crypto instruction @opcode 325830999bdSHarald Freudenberger * and checks if @func is available 326830999bdSHarald Freudenberger * 327830999bdSHarald Freudenberger * Returns 1 if @func is available for @opcode, 0 otherwise 328830999bdSHarald Freudenberger */ 329e60fb8bfSMasahiro Yamada static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask) 33069c0e360SMartin Schwidefsky { 33169c0e360SMartin Schwidefsky if (__cpacf_check_opcode(opcode)) { 33269c0e360SMartin Schwidefsky __cpacf_query(opcode, mask); 33369c0e360SMartin Schwidefsky return 1; 33469c0e360SMartin Schwidefsky } 33569c0e360SMartin Schwidefsky memset(mask, 0, sizeof(*mask)); 33669c0e360SMartin Schwidefsky return 0; 33769c0e360SMartin Schwidefsky } 33869c0e360SMartin Schwidefsky 33969c0e360SMartin Schwidefsky static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func) 34069c0e360SMartin Schwidefsky { 34169c0e360SMartin Schwidefsky return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0; 34269c0e360SMartin Schwidefsky } 34369c0e360SMartin Schwidefsky 344d83623c5SMasahiro Yamada static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int func) 34569c0e360SMartin Schwidefsky { 34669c0e360SMartin Schwidefsky cpacf_mask_t mask; 34769c0e360SMartin Schwidefsky 34869c0e360SMartin Schwidefsky if (cpacf_query(opcode, &mask)) 34969c0e360SMartin Schwidefsky return cpacf_test_func(&mask, func); 35069c0e360SMartin Schwidefsky return 0; 351c7d4d259SMartin Schwidefsky } 352c7d4d259SMartin Schwidefsky 353c7d4d259SMartin Schwidefsky /** 354c7d4d259SMartin Schwidefsky * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction 355c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KM_xxx defines 356c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 357c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 358c7d4d259SMartin Schwidefsky * @src: address of source memory area 359c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 360c7d4d259SMartin Schwidefsky * 361c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 362c7d4d259SMartin Schwidefsky * encryption/decryption funcs 363c7d4d259SMartin Schwidefsky */ 364edc63a37SMartin Schwidefsky static inline int cpacf_km(unsigned long func, void *param, 365c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 366c7d4d259SMartin Schwidefsky { 367b84d0c41SHeiko Carstens union register_pair d, s; 368c7d4d259SMartin Schwidefsky 369b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 370b84d0c41SHeiko Carstens s.even = (unsigned long)src; 371b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 372c7d4d259SMartin Schwidefsky asm volatile( 373b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 374b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 375c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 376c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 377b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 378b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 379b84d0c41SHeiko Carstens [opc] "i" (CPACF_KM) 380b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 381c7d4d259SMartin Schwidefsky 382b84d0c41SHeiko Carstens return src_len - s.odd; 383c7d4d259SMartin Schwidefsky } 384c7d4d259SMartin Schwidefsky 385c7d4d259SMartin Schwidefsky /** 386c7d4d259SMartin Schwidefsky * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction 387c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KMC_xxx defines 388c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 389c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 390c7d4d259SMartin Schwidefsky * @src: address of source memory area 391c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 392c7d4d259SMartin Schwidefsky * 393c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 394c7d4d259SMartin Schwidefsky * encryption/decryption funcs 395c7d4d259SMartin Schwidefsky */ 396edc63a37SMartin Schwidefsky static inline int cpacf_kmc(unsigned long func, void *param, 397c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 398c7d4d259SMartin Schwidefsky { 399b84d0c41SHeiko Carstens union register_pair d, s; 400c7d4d259SMartin Schwidefsky 401b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 402b84d0c41SHeiko Carstens s.even = (unsigned long)src; 403b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 404c7d4d259SMartin Schwidefsky asm volatile( 405b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 406b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 407c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 408c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 409b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 410b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 411b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMC) 412b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 413c7d4d259SMartin Schwidefsky 414b84d0c41SHeiko Carstens return src_len - s.odd; 415c7d4d259SMartin Schwidefsky } 416c7d4d259SMartin Schwidefsky 417c7d4d259SMartin Schwidefsky /** 418c7d4d259SMartin Schwidefsky * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) 419c7d4d259SMartin Schwidefsky * instruction 420c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KIMD_xxx defines 421c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 422c7d4d259SMartin Schwidefsky * @src: address of source memory area 423c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 424c7d4d259SMartin Schwidefsky */ 4250177db01SMartin Schwidefsky static inline void cpacf_kimd(unsigned long func, void *param, 426c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 427c7d4d259SMartin Schwidefsky { 428b84d0c41SHeiko Carstens union register_pair s; 429c7d4d259SMartin Schwidefsky 430b84d0c41SHeiko Carstens s.even = (unsigned long)src; 431b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 432c7d4d259SMartin Schwidefsky asm volatile( 433b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 434b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 43588c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 436c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 437b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 438b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), 439b84d0c41SHeiko Carstens [opc] "i" (CPACF_KIMD) 440b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 441c7d4d259SMartin Schwidefsky } 442c7d4d259SMartin Schwidefsky 443c7d4d259SMartin Schwidefsky /** 444c7d4d259SMartin Schwidefsky * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction 445c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KLMD_xxx defines 446c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 447c7d4d259SMartin Schwidefsky * @src: address of source memory area 448c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 449c7d4d259SMartin Schwidefsky */ 4500177db01SMartin Schwidefsky static inline void cpacf_klmd(unsigned long func, void *param, 451c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 452c7d4d259SMartin Schwidefsky { 453b84d0c41SHeiko Carstens union register_pair s; 454c7d4d259SMartin Schwidefsky 455b84d0c41SHeiko Carstens s.even = (unsigned long)src; 456b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 457c7d4d259SMartin Schwidefsky asm volatile( 458b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 459b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 46088c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 461c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 462b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 463b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 464b84d0c41SHeiko Carstens [opc] "i" (CPACF_KLMD) 465b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 466c7d4d259SMartin Schwidefsky } 467c7d4d259SMartin Schwidefsky 468c7d4d259SMartin Schwidefsky /** 469c3dcb058SHolger Dengler * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 470c3dcb058SHolger Dengler * instruction and updates flags in gr0 471c3dcb058SHolger Dengler * @gr0: pointer to gr0 (fc and flags) passed to KMAC; see CPACF_KMAC_xxx defines 472c3dcb058SHolger Dengler * @param: address of parameter block; see POP for details on each func 473c3dcb058SHolger Dengler * @src: address of source memory area 474c3dcb058SHolger Dengler * @src_len: length of src operand in bytes 475c3dcb058SHolger Dengler * 476c3dcb058SHolger Dengler * Returns 0 for the query func, number of processed bytes for digest funcs 477c3dcb058SHolger Dengler */ 478c3dcb058SHolger Dengler static inline int _cpacf_kmac(unsigned long *gr0, void *param, 479c3dcb058SHolger Dengler const u8 *src, long src_len) 480c3dcb058SHolger Dengler { 481c3dcb058SHolger Dengler union register_pair s; 482c3dcb058SHolger Dengler 483c3dcb058SHolger Dengler s.even = (unsigned long)src; 484c3dcb058SHolger Dengler s.odd = (unsigned long)src_len; 485c3dcb058SHolger Dengler asm volatile( 486c3dcb058SHolger Dengler " lgr 0,%[r0]\n" 487c3dcb058SHolger Dengler " lgr 1,%[pba]\n" 488c3dcb058SHolger Dengler "0: .insn rre,%[opc] << 16,0,%[src]\n" 489c3dcb058SHolger Dengler " brc 1,0b\n" /* handle partial completion */ 490c3dcb058SHolger Dengler " lgr %[r0],0\n" 491c3dcb058SHolger Dengler : [r0] "+d" (*gr0), [src] "+&d" (s.pair) 492c3dcb058SHolger Dengler : [pba] "d" ((unsigned long)param), 493c3dcb058SHolger Dengler [opc] "i" (CPACF_KMAC) 494c3dcb058SHolger Dengler : "cc", "memory", "0", "1"); 495c3dcb058SHolger Dengler 496c3dcb058SHolger Dengler return src_len - s.odd; 497c3dcb058SHolger Dengler } 498c3dcb058SHolger Dengler 499c3dcb058SHolger Dengler /** 500c7d4d259SMartin Schwidefsky * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 501c7d4d259SMartin Schwidefsky * instruction 502c3dcb058SHolger Dengler * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines 503c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 504c7d4d259SMartin Schwidefsky * @src: address of source memory area 505c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 506c7d4d259SMartin Schwidefsky * 507c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for digest funcs 508c7d4d259SMartin Schwidefsky */ 509edc63a37SMartin Schwidefsky static inline int cpacf_kmac(unsigned long func, void *param, 510c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 511c7d4d259SMartin Schwidefsky { 512c3dcb058SHolger Dengler return _cpacf_kmac(&func, param, src, src_len); 513c7d4d259SMartin Schwidefsky } 514c7d4d259SMartin Schwidefsky 515c7d4d259SMartin Schwidefsky /** 516c7d4d259SMartin Schwidefsky * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction 517c7d4d259SMartin Schwidefsky * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines 518c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 519c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 520c7d4d259SMartin Schwidefsky * @src: address of source memory area 521c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 522c7d4d259SMartin Schwidefsky * @counter: address of counter value 523c7d4d259SMartin Schwidefsky * 524c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 525c7d4d259SMartin Schwidefsky * encryption/decryption funcs 526c7d4d259SMartin Schwidefsky */ 527edc63a37SMartin Schwidefsky static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, 528c7d4d259SMartin Schwidefsky const u8 *src, long src_len, u8 *counter) 529c7d4d259SMartin Schwidefsky { 530b84d0c41SHeiko Carstens union register_pair d, s, c; 531c7d4d259SMartin Schwidefsky 532b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 533b84d0c41SHeiko Carstens s.even = (unsigned long)src; 534b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 535b84d0c41SHeiko Carstens c.even = (unsigned long)counter; 536c7d4d259SMartin Schwidefsky asm volatile( 537b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 538b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 539c7d4d259SMartin Schwidefsky "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" 540c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 541b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), 542b84d0c41SHeiko Carstens [ctr] "+&d" (c.pair) 543b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 544b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMCTR) 545b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 546c7d4d259SMartin Schwidefsky 547b84d0c41SHeiko Carstens return src_len - s.odd; 548c7d4d259SMartin Schwidefsky } 549c7d4d259SMartin Schwidefsky 550c7d4d259SMartin Schwidefsky /** 551985a9d20SHarald Freudenberger * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION) 552c7d4d259SMartin Schwidefsky * instruction 553985a9d20SHarald Freudenberger * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines 554c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 555c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 556c7d4d259SMartin Schwidefsky * @dest_len: size of destination memory area in bytes 557c7d4d259SMartin Schwidefsky * @seed: address of seed data 558c7d4d259SMartin Schwidefsky * @seed_len: size of seed data in bytes 559c7d4d259SMartin Schwidefsky */ 560985a9d20SHarald Freudenberger static inline void cpacf_prno(unsigned long func, void *param, 561f75fa65dSHarald Freudenberger u8 *dest, unsigned long dest_len, 562f75fa65dSHarald Freudenberger const u8 *seed, unsigned long seed_len) 563c7d4d259SMartin Schwidefsky { 564b84d0c41SHeiko Carstens union register_pair d, s; 565c7d4d259SMartin Schwidefsky 566b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 567b84d0c41SHeiko Carstens d.odd = (unsigned long)dest_len; 568b84d0c41SHeiko Carstens s.even = (unsigned long)seed; 569b84d0c41SHeiko Carstens s.odd = (unsigned long)seed_len; 570c7d4d259SMartin Schwidefsky asm volatile ( 571b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 572b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 573c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" 574c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 575b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair) 576b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 577b84d0c41SHeiko Carstens [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) 578b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 579c7d4d259SMartin Schwidefsky } 580c7d4d259SMartin Schwidefsky 581c7d4d259SMartin Schwidefsky /** 582f75fa65dSHarald Freudenberger * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction 583f75fa65dSHarald Freudenberger * @ucbuf: buffer for unconditioned data 584f75fa65dSHarald Freudenberger * @ucbuf_len: amount of unconditioned data to fetch in bytes 585f75fa65dSHarald Freudenberger * @cbuf: buffer for conditioned data 586f75fa65dSHarald Freudenberger * @cbuf_len: amount of conditioned data to fetch in bytes 587f75fa65dSHarald Freudenberger */ 588f75fa65dSHarald Freudenberger static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, 589f75fa65dSHarald Freudenberger u8 *cbuf, unsigned long cbuf_len) 590f75fa65dSHarald Freudenberger { 591b84d0c41SHeiko Carstens union register_pair u, c; 592f75fa65dSHarald Freudenberger 593b84d0c41SHeiko Carstens u.even = (unsigned long)ucbuf; 594b84d0c41SHeiko Carstens u.odd = (unsigned long)ucbuf_len; 595b84d0c41SHeiko Carstens c.even = (unsigned long)cbuf; 596b84d0c41SHeiko Carstens c.odd = (unsigned long)cbuf_len; 597f75fa65dSHarald Freudenberger asm volatile ( 598b84d0c41SHeiko Carstens " lghi 0,%[fc]\n" 599f75fa65dSHarald Freudenberger "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" 600f75fa65dSHarald Freudenberger " brc 1,0b\n" /* handle partial completion */ 601b84d0c41SHeiko Carstens : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) 602b84d0c41SHeiko Carstens : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) 603b84d0c41SHeiko Carstens : "cc", "memory", "0"); 6048c208bc5SIlya Leoshkevich kmsan_unpoison_memory(ucbuf, ucbuf_len); 6058c208bc5SIlya Leoshkevich kmsan_unpoison_memory(cbuf, cbuf_len); 606f75fa65dSHarald Freudenberger } 607f75fa65dSHarald Freudenberger 608f75fa65dSHarald Freudenberger /** 609c7d4d259SMartin Schwidefsky * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) 610c7d4d259SMartin Schwidefsky * instruction 611c7d4d259SMartin Schwidefsky * @func: the function code passed to PCC; see CPACF_KM_xxx defines 612c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 613c7d4d259SMartin Schwidefsky */ 6140177db01SMartin Schwidefsky static inline void cpacf_pcc(unsigned long func, void *param) 615c7d4d259SMartin Schwidefsky { 616c7d4d259SMartin Schwidefsky asm volatile( 617b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 618b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 619c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ 620c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 621c7d4d259SMartin Schwidefsky : 622b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 623b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCC) 624b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 625c7d4d259SMartin Schwidefsky } 626c7d4d259SMartin Schwidefsky 62777606708SHarald Freudenberger /** 62877606708SHarald Freudenberger * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY 62977606708SHarald Freudenberger * MANAGEMENT) instruction 63077606708SHarald Freudenberger * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines 63177606708SHarald Freudenberger * @param: address of parameter block; see POP for details on each func 63277606708SHarald Freudenberger * 63377606708SHarald Freudenberger * Returns 0. 63477606708SHarald Freudenberger */ 63577606708SHarald Freudenberger static inline void cpacf_pckmo(long func, void *param) 63677606708SHarald Freudenberger { 63777606708SHarald Freudenberger asm volatile( 638b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 639b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 64077606708SHarald Freudenberger " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ 64177606708SHarald Freudenberger : 642b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 643b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCKMO) 644b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 64577606708SHarald Freudenberger } 64677606708SHarald Freudenberger 647eecd49c4SPatrick Steuer /** 648eecd49c4SPatrick Steuer * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 649eecd49c4SPatrick Steuer * instruction 650eecd49c4SPatrick Steuer * @func: the function code passed to KMA; see CPACF_KMA_xxx defines 651eecd49c4SPatrick Steuer * @param: address of parameter block; see POP for details on each func 652eecd49c4SPatrick Steuer * @dest: address of destination memory area 653eecd49c4SPatrick Steuer * @src: address of source memory area 654eecd49c4SPatrick Steuer * @src_len: length of src operand in bytes 655eecd49c4SPatrick Steuer * @aad: address of additional authenticated data memory area 656eecd49c4SPatrick Steuer * @aad_len: length of aad operand in bytes 657eecd49c4SPatrick Steuer */ 658eecd49c4SPatrick Steuer static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, 659eecd49c4SPatrick Steuer const u8 *src, unsigned long src_len, 660eecd49c4SPatrick Steuer const u8 *aad, unsigned long aad_len) 661eecd49c4SPatrick Steuer { 662b84d0c41SHeiko Carstens union register_pair d, s, a; 663eecd49c4SPatrick Steuer 664b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 665b84d0c41SHeiko Carstens s.even = (unsigned long)src; 666b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 667b84d0c41SHeiko Carstens a.even = (unsigned long)aad; 668b84d0c41SHeiko Carstens a.odd = (unsigned long)aad_len; 669eecd49c4SPatrick Steuer asm volatile( 670b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 671b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 672eecd49c4SPatrick Steuer "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" 673eecd49c4SPatrick Steuer " brc 1,0b\n" /* handle partial completion */ 674b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), 675b84d0c41SHeiko Carstens [aad] "+&d" (a.pair) 676b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 677b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMA) 678b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 679eecd49c4SPatrick Steuer } 680eecd49c4SPatrick Steuer 681c7d4d259SMartin Schwidefsky #endif /* _ASM_S390_CPACF_H */ 682