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 186d2dec49dSFinn Callies /* 187d2dec49dSFinn Callies * Function codes for KDSA (COMPUTE DIGITAL SIGNATURE AUTHENTICATION) 188d2dec49dSFinn Callies * instruction 189d2dec49dSFinn Callies */ 190d2dec49dSFinn Callies #define CPACF_KDSA_QUERY 0x00 191d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P256 0x01 192d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P384 0x02 193d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_VERIFY_P521 0x03 194d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P256 0x09 195d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P384 0x0a 196d2dec49dSFinn Callies #define CPACF_KDSA_ECDSA_SIGN_P521 0x0b 197d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P256 0x11 198d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P384 0x12 199d2dec49dSFinn Callies #define CPACF_KDSA_ENC_ECDSA_SIGN_P521 0x13 200d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_VERIFY_ED25519 0x20 201d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_VERIFY_ED448 0x24 202d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_SIGN_ED25519 0x28 203d2dec49dSFinn Callies #define CPACF_KDSA_EDDSA_SIGN_ED448 0x2c 204d2dec49dSFinn Callies #define CPACF_KDSA_ENC_EDDSA_SIGN_ED25519 0x30 205d2dec49dSFinn Callies #define CPACF_KDSA_ENC_EDDSA_SIGN_ED448 0x34 206d2dec49dSFinn Callies 20727aad7f7SFinn Callies #define CPACF_FC_QUERY 0x00 208*9bbd1bfbSFinn Callies #define CPACF_FC_QUERY_AUTH_INFO 0x7F 20927aad7f7SFinn Callies 21069c0e360SMartin Schwidefsky typedef struct { unsigned char bytes[16]; } cpacf_mask_t; 211*9bbd1bfbSFinn Callies typedef struct { unsigned char bytes[256]; } cpacf_qai_t; 21269c0e360SMartin Schwidefsky 21332e8bd64SHarald Freudenberger /* 21432e8bd64SHarald Freudenberger * Prototype for a not existing function to produce a link 21532e8bd64SHarald Freudenberger * error if __cpacf_query() or __cpacf_check_opcode() is used 21632e8bd64SHarald Freudenberger * with an invalid compile time const opcode. 21732e8bd64SHarald Freudenberger */ 21832e8bd64SHarald Freudenberger void __cpacf_bad_opcode(void); 21932e8bd64SHarald Freudenberger 220830999bdSHarald Freudenberger static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2, 22127aad7f7SFinn Callies u8 *pb, u8 fc) 222c7d4d259SMartin Schwidefsky { 223c7d4d259SMartin Schwidefsky asm volatile( 22427aad7f7SFinn Callies " la %%r1,%[pb]\n" 22527aad7f7SFinn Callies " lghi %%r0,%[fc]\n" 226830999bdSHarald Freudenberger " .insn rre,%[opc] << 16,%[r1],%[r2]\n" 22727aad7f7SFinn Callies : [pb] "=R" (*pb) 22827aad7f7SFinn Callies : [opc] "i" (opc), [fc] "i" (fc), 229830999bdSHarald Freudenberger [r1] "i" (r1), [r2] "i" (r2) 23027aad7f7SFinn Callies : "cc", "memory", "r0", "r1"); 231830999bdSHarald Freudenberger } 232830999bdSHarald Freudenberger 23327aad7f7SFinn Callies static __always_inline void __cpacf_query_rrf(u32 opc, u8 r1, u8 r2, u8 r3, 23427aad7f7SFinn Callies u8 m4, u8 *pb, u8 fc) 235830999bdSHarald Freudenberger { 236830999bdSHarald Freudenberger asm volatile( 23727aad7f7SFinn Callies " la %%r1,%[pb]\n" 23827aad7f7SFinn Callies " lghi %%r0,%[fc]\n" 239830999bdSHarald Freudenberger " .insn rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n" 24027aad7f7SFinn Callies : [pb] "=R" (*pb) 24127aad7f7SFinn Callies : [opc] "i" (opc), [fc] "i" (fc), [r1] "i" (r1), 24227aad7f7SFinn Callies [r2] "i" (r2), [r3] "i" (r3), [m4] "i" (m4) 24327aad7f7SFinn Callies : "cc", "memory", "r0", "r1"); 24427aad7f7SFinn Callies } 24527aad7f7SFinn Callies 24627aad7f7SFinn Callies static __always_inline void __cpacf_query_insn(unsigned int opcode, void *pb, 24727aad7f7SFinn Callies u8 fc) 24827aad7f7SFinn Callies { 24927aad7f7SFinn Callies switch (opcode) { 25027aad7f7SFinn Callies case CPACF_KDSA: 25127aad7f7SFinn Callies __cpacf_query_rre(CPACF_KDSA, 0, 2, pb, fc); 25227aad7f7SFinn Callies break; 25327aad7f7SFinn Callies case CPACF_KIMD: 25427aad7f7SFinn Callies __cpacf_query_rre(CPACF_KIMD, 0, 2, pb, fc); 25527aad7f7SFinn Callies break; 25627aad7f7SFinn Callies case CPACF_KLMD: 25727aad7f7SFinn Callies __cpacf_query_rre(CPACF_KLMD, 0, 2, pb, fc); 25827aad7f7SFinn Callies break; 25927aad7f7SFinn Callies case CPACF_KM: 26027aad7f7SFinn Callies __cpacf_query_rre(CPACF_KM, 2, 4, pb, fc); 26127aad7f7SFinn Callies break; 26227aad7f7SFinn Callies case CPACF_KMA: 26327aad7f7SFinn Callies __cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, pb, fc); 26427aad7f7SFinn Callies break; 26527aad7f7SFinn Callies case CPACF_KMAC: 26627aad7f7SFinn Callies __cpacf_query_rre(CPACF_KMAC, 0, 2, pb, fc); 26727aad7f7SFinn Callies break; 26827aad7f7SFinn Callies case CPACF_KMC: 26927aad7f7SFinn Callies __cpacf_query_rre(CPACF_KMC, 2, 4, pb, fc); 27027aad7f7SFinn Callies break; 27127aad7f7SFinn Callies case CPACF_KMCTR: 27227aad7f7SFinn Callies __cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, pb, fc); 27327aad7f7SFinn Callies break; 27427aad7f7SFinn Callies case CPACF_KMF: 27527aad7f7SFinn Callies __cpacf_query_rre(CPACF_KMF, 2, 4, pb, fc); 27627aad7f7SFinn Callies break; 27727aad7f7SFinn Callies case CPACF_KMO: 27827aad7f7SFinn Callies __cpacf_query_rre(CPACF_KMO, 2, 4, pb, fc); 27927aad7f7SFinn Callies break; 28027aad7f7SFinn Callies case CPACF_PCC: 28127aad7f7SFinn Callies __cpacf_query_rre(CPACF_PCC, 0, 0, pb, fc); 28227aad7f7SFinn Callies break; 28327aad7f7SFinn Callies case CPACF_PCKMO: 28427aad7f7SFinn Callies __cpacf_query_rre(CPACF_PCKMO, 0, 0, pb, fc); 28527aad7f7SFinn Callies break; 28627aad7f7SFinn Callies case CPACF_PRNO: 28727aad7f7SFinn Callies __cpacf_query_rre(CPACF_PRNO, 2, 4, pb, fc); 28827aad7f7SFinn Callies break; 28927aad7f7SFinn Callies default: 29027aad7f7SFinn Callies __cpacf_bad_opcode(); 29127aad7f7SFinn Callies } 292830999bdSHarald Freudenberger } 293830999bdSHarald Freudenberger 294830999bdSHarald Freudenberger static __always_inline void __cpacf_query(unsigned int opcode, 295830999bdSHarald Freudenberger cpacf_mask_t *mask) 296830999bdSHarald Freudenberger { 29727aad7f7SFinn Callies __cpacf_query_insn(opcode, mask, CPACF_FC_QUERY); 298c7d4d259SMartin Schwidefsky } 299c7d4d259SMartin Schwidefsky 300d83623c5SMasahiro Yamada static __always_inline int __cpacf_check_opcode(unsigned int opcode) 301c7d4d259SMartin Schwidefsky { 302c7d4d259SMartin Schwidefsky switch (opcode) { 303c7d4d259SMartin Schwidefsky case CPACF_KMAC: 304c7d4d259SMartin Schwidefsky case CPACF_KM: 305c7d4d259SMartin Schwidefsky case CPACF_KMC: 306c7d4d259SMartin Schwidefsky case CPACF_KIMD: 307c7d4d259SMartin Schwidefsky case CPACF_KLMD: 30869c0e360SMartin Schwidefsky return test_facility(17); /* check for MSA */ 3091afd43e0SDavid Hildenbrand case CPACF_PCKMO: 31069c0e360SMartin Schwidefsky return test_facility(76); /* check for MSA3 */ 3111afd43e0SDavid Hildenbrand case CPACF_KMF: 3121afd43e0SDavid Hildenbrand case CPACF_KMO: 313c7d4d259SMartin Schwidefsky case CPACF_PCC: 314c7d4d259SMartin Schwidefsky case CPACF_KMCTR: 31569c0e360SMartin Schwidefsky return test_facility(77); /* check for MSA4 */ 316985a9d20SHarald Freudenberger case CPACF_PRNO: 31769c0e360SMartin Schwidefsky return test_facility(57); /* check for MSA5 */ 318eecd49c4SPatrick Steuer case CPACF_KMA: 319eecd49c4SPatrick Steuer return test_facility(146); /* check for MSA8 */ 320d2dec49dSFinn Callies case CPACF_KDSA: 321d2dec49dSFinn Callies return test_facility(155); /* check for MSA9 */ 322c7d4d259SMartin Schwidefsky default: 32332e8bd64SHarald Freudenberger __cpacf_bad_opcode(); 32432e8bd64SHarald Freudenberger return 0; 325c7d4d259SMartin Schwidefsky } 32669c0e360SMartin Schwidefsky } 32769c0e360SMartin Schwidefsky 328830999bdSHarald Freudenberger /** 32927aad7f7SFinn Callies * cpacf_query() - Query the function code mask for this CPACF opcode 330830999bdSHarald Freudenberger * @opcode: the opcode of the crypto instruction 33127aad7f7SFinn Callies * @mask: ptr to struct cpacf_mask_t 332830999bdSHarald Freudenberger * 333830999bdSHarald Freudenberger * Executes the query function for the given crypto instruction @opcode 334830999bdSHarald Freudenberger * and checks if @func is available 335830999bdSHarald Freudenberger * 33627aad7f7SFinn Callies * On success 1 is returned and the mask is filled with the function 33727aad7f7SFinn Callies * code mask for this CPACF opcode, otherwise 0 is returned. 338830999bdSHarald Freudenberger */ 339e60fb8bfSMasahiro Yamada static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask) 34069c0e360SMartin Schwidefsky { 34169c0e360SMartin Schwidefsky if (__cpacf_check_opcode(opcode)) { 34269c0e360SMartin Schwidefsky __cpacf_query(opcode, mask); 34369c0e360SMartin Schwidefsky return 1; 34469c0e360SMartin Schwidefsky } 34569c0e360SMartin Schwidefsky memset(mask, 0, sizeof(*mask)); 34669c0e360SMartin Schwidefsky return 0; 34769c0e360SMartin Schwidefsky } 34869c0e360SMartin Schwidefsky 34969c0e360SMartin Schwidefsky static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func) 35069c0e360SMartin Schwidefsky { 35169c0e360SMartin Schwidefsky return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0; 35269c0e360SMartin Schwidefsky } 35369c0e360SMartin Schwidefsky 354*9bbd1bfbSFinn Callies static __always_inline int cpacf_query_func(unsigned int opcode, 355*9bbd1bfbSFinn Callies unsigned int func) 35669c0e360SMartin Schwidefsky { 35769c0e360SMartin Schwidefsky cpacf_mask_t mask; 35869c0e360SMartin Schwidefsky 35969c0e360SMartin Schwidefsky if (cpacf_query(opcode, &mask)) 36069c0e360SMartin Schwidefsky return cpacf_test_func(&mask, func); 36169c0e360SMartin Schwidefsky return 0; 362c7d4d259SMartin Schwidefsky } 363c7d4d259SMartin Schwidefsky 364*9bbd1bfbSFinn Callies static __always_inline void __cpacf_qai(unsigned int opcode, cpacf_qai_t *qai) 365*9bbd1bfbSFinn Callies { 366*9bbd1bfbSFinn Callies __cpacf_query_insn(opcode, qai, CPACF_FC_QUERY_AUTH_INFO); 367*9bbd1bfbSFinn Callies } 368*9bbd1bfbSFinn Callies 369*9bbd1bfbSFinn Callies /** 370*9bbd1bfbSFinn Callies * cpacf_qai() - Get the query authentication information for a CPACF opcode 371*9bbd1bfbSFinn Callies * @opcode: the opcode of the crypto instruction 372*9bbd1bfbSFinn Callies * @mask: ptr to struct cpacf_qai_t 373*9bbd1bfbSFinn Callies * 374*9bbd1bfbSFinn Callies * Executes the query authentication information function for the given crypto 375*9bbd1bfbSFinn Callies * instruction @opcode and checks if @func is available 376*9bbd1bfbSFinn Callies * 377*9bbd1bfbSFinn Callies * On success 1 is returned and the mask is filled with the query authentication 378*9bbd1bfbSFinn Callies * information for this CPACF opcode, otherwise 0 is returned. 379*9bbd1bfbSFinn Callies */ 380*9bbd1bfbSFinn Callies static __always_inline int cpacf_qai(unsigned int opcode, cpacf_qai_t *qai) 381*9bbd1bfbSFinn Callies { 382*9bbd1bfbSFinn Callies if (cpacf_query_func(opcode, CPACF_FC_QUERY_AUTH_INFO)) { 383*9bbd1bfbSFinn Callies __cpacf_qai(opcode, qai); 384*9bbd1bfbSFinn Callies return 1; 385*9bbd1bfbSFinn Callies } 386*9bbd1bfbSFinn Callies memset(qai, 0, sizeof(*qai)); 387*9bbd1bfbSFinn Callies return 0; 388*9bbd1bfbSFinn Callies } 389*9bbd1bfbSFinn Callies 390c7d4d259SMartin Schwidefsky /** 391c7d4d259SMartin Schwidefsky * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction 392c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KM_xxx defines 393c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 394c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 395c7d4d259SMartin Schwidefsky * @src: address of source memory area 396c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 397c7d4d259SMartin Schwidefsky * 398c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 399c7d4d259SMartin Schwidefsky * encryption/decryption funcs 400c7d4d259SMartin Schwidefsky */ 401edc63a37SMartin Schwidefsky static inline int cpacf_km(unsigned long func, void *param, 402c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 403c7d4d259SMartin Schwidefsky { 404b84d0c41SHeiko Carstens union register_pair d, s; 405c7d4d259SMartin Schwidefsky 406b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 407b84d0c41SHeiko Carstens s.even = (unsigned long)src; 408b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 409c7d4d259SMartin Schwidefsky asm volatile( 410b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 411b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 412c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 413c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 414b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 415b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 416b84d0c41SHeiko Carstens [opc] "i" (CPACF_KM) 417b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 418c7d4d259SMartin Schwidefsky 419b84d0c41SHeiko Carstens return src_len - s.odd; 420c7d4d259SMartin Schwidefsky } 421c7d4d259SMartin Schwidefsky 422c7d4d259SMartin Schwidefsky /** 423c7d4d259SMartin Schwidefsky * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction 424c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KMC_xxx defines 425c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 426c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 427c7d4d259SMartin Schwidefsky * @src: address of source memory area 428c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 429c7d4d259SMartin Schwidefsky * 430c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 431c7d4d259SMartin Schwidefsky * encryption/decryption funcs 432c7d4d259SMartin Schwidefsky */ 433edc63a37SMartin Schwidefsky static inline int cpacf_kmc(unsigned long func, void *param, 434c7d4d259SMartin Schwidefsky u8 *dest, const u8 *src, long src_len) 435c7d4d259SMartin Schwidefsky { 436b84d0c41SHeiko Carstens union register_pair d, s; 437c7d4d259SMartin Schwidefsky 438b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 439b84d0c41SHeiko Carstens s.even = (unsigned long)src; 440b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 441c7d4d259SMartin Schwidefsky asm volatile( 442b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 443b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 444c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" 445c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 446b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) 447b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 448b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMC) 449b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 450c7d4d259SMartin Schwidefsky 451b84d0c41SHeiko Carstens return src_len - s.odd; 452c7d4d259SMartin Schwidefsky } 453c7d4d259SMartin Schwidefsky 454c7d4d259SMartin Schwidefsky /** 455c7d4d259SMartin Schwidefsky * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) 456c7d4d259SMartin Schwidefsky * instruction 457c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KIMD_xxx defines 458c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 459c7d4d259SMartin Schwidefsky * @src: address of source memory area 460c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 461c7d4d259SMartin Schwidefsky */ 4620177db01SMartin Schwidefsky static inline void cpacf_kimd(unsigned long func, void *param, 463c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 464c7d4d259SMartin Schwidefsky { 465b84d0c41SHeiko Carstens union register_pair s; 466c7d4d259SMartin Schwidefsky 467b84d0c41SHeiko Carstens s.even = (unsigned long)src; 468b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 469c7d4d259SMartin Schwidefsky asm volatile( 470b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 471b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 47288c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 473c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 474b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 475b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), 476b84d0c41SHeiko Carstens [opc] "i" (CPACF_KIMD) 477b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 478c7d4d259SMartin Schwidefsky } 479c7d4d259SMartin Schwidefsky 480c7d4d259SMartin Schwidefsky /** 481c7d4d259SMartin Schwidefsky * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction 482c7d4d259SMartin Schwidefsky * @func: the function code passed to KM; see CPACF_KLMD_xxx defines 483c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 484c7d4d259SMartin Schwidefsky * @src: address of source memory area 485c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 486c7d4d259SMartin Schwidefsky */ 4870177db01SMartin Schwidefsky static inline void cpacf_klmd(unsigned long func, void *param, 488c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 489c7d4d259SMartin Schwidefsky { 490b84d0c41SHeiko Carstens union register_pair s; 491c7d4d259SMartin Schwidefsky 492b84d0c41SHeiko Carstens s.even = (unsigned long)src; 493b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 494c7d4d259SMartin Schwidefsky asm volatile( 495b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 496b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 49788c02b3fSJoerg Schmidbauer "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" 498c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 499b84d0c41SHeiko Carstens : [src] "+&d" (s.pair) 500b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 501b84d0c41SHeiko Carstens [opc] "i" (CPACF_KLMD) 502b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 503c7d4d259SMartin Schwidefsky } 504c7d4d259SMartin Schwidefsky 505c7d4d259SMartin Schwidefsky /** 506c3dcb058SHolger Dengler * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 507c3dcb058SHolger Dengler * instruction and updates flags in gr0 508c3dcb058SHolger Dengler * @gr0: pointer to gr0 (fc and flags) passed to KMAC; see CPACF_KMAC_xxx defines 509c3dcb058SHolger Dengler * @param: address of parameter block; see POP for details on each func 510c3dcb058SHolger Dengler * @src: address of source memory area 511c3dcb058SHolger Dengler * @src_len: length of src operand in bytes 512c3dcb058SHolger Dengler * 513c3dcb058SHolger Dengler * Returns 0 for the query func, number of processed bytes for digest funcs 514c3dcb058SHolger Dengler */ 515c3dcb058SHolger Dengler static inline int _cpacf_kmac(unsigned long *gr0, void *param, 516c3dcb058SHolger Dengler const u8 *src, long src_len) 517c3dcb058SHolger Dengler { 518c3dcb058SHolger Dengler union register_pair s; 519c3dcb058SHolger Dengler 520c3dcb058SHolger Dengler s.even = (unsigned long)src; 521c3dcb058SHolger Dengler s.odd = (unsigned long)src_len; 522c3dcb058SHolger Dengler asm volatile( 523c3dcb058SHolger Dengler " lgr 0,%[r0]\n" 524c3dcb058SHolger Dengler " lgr 1,%[pba]\n" 525c3dcb058SHolger Dengler "0: .insn rre,%[opc] << 16,0,%[src]\n" 526c3dcb058SHolger Dengler " brc 1,0b\n" /* handle partial completion */ 527c3dcb058SHolger Dengler " lgr %[r0],0\n" 528c3dcb058SHolger Dengler : [r0] "+d" (*gr0), [src] "+&d" (s.pair) 529c3dcb058SHolger Dengler : [pba] "d" ((unsigned long)param), 530c3dcb058SHolger Dengler [opc] "i" (CPACF_KMAC) 531c3dcb058SHolger Dengler : "cc", "memory", "0", "1"); 532c3dcb058SHolger Dengler 533c3dcb058SHolger Dengler return src_len - s.odd; 534c3dcb058SHolger Dengler } 535c3dcb058SHolger Dengler 536c3dcb058SHolger Dengler /** 537c7d4d259SMartin Schwidefsky * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) 538c7d4d259SMartin Schwidefsky * instruction 539c3dcb058SHolger Dengler * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines 540c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 541c7d4d259SMartin Schwidefsky * @src: address of source memory area 542c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 543c7d4d259SMartin Schwidefsky * 544c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for digest funcs 545c7d4d259SMartin Schwidefsky */ 546edc63a37SMartin Schwidefsky static inline int cpacf_kmac(unsigned long func, void *param, 547c7d4d259SMartin Schwidefsky const u8 *src, long src_len) 548c7d4d259SMartin Schwidefsky { 549c3dcb058SHolger Dengler return _cpacf_kmac(&func, param, src, src_len); 550c7d4d259SMartin Schwidefsky } 551c7d4d259SMartin Schwidefsky 552c7d4d259SMartin Schwidefsky /** 553c7d4d259SMartin Schwidefsky * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction 554c7d4d259SMartin Schwidefsky * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines 555c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 556c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 557c7d4d259SMartin Schwidefsky * @src: address of source memory area 558c7d4d259SMartin Schwidefsky * @src_len: length of src operand in bytes 559c7d4d259SMartin Schwidefsky * @counter: address of counter value 560c7d4d259SMartin Schwidefsky * 561c7d4d259SMartin Schwidefsky * Returns 0 for the query func, number of processed bytes for 562c7d4d259SMartin Schwidefsky * encryption/decryption funcs 563c7d4d259SMartin Schwidefsky */ 564edc63a37SMartin Schwidefsky static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, 565c7d4d259SMartin Schwidefsky const u8 *src, long src_len, u8 *counter) 566c7d4d259SMartin Schwidefsky { 567b84d0c41SHeiko Carstens union register_pair d, s, c; 568c7d4d259SMartin Schwidefsky 569b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 570b84d0c41SHeiko Carstens s.even = (unsigned long)src; 571b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 572b84d0c41SHeiko Carstens c.even = (unsigned long)counter; 573c7d4d259SMartin Schwidefsky asm volatile( 574b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 575b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 576c7d4d259SMartin Schwidefsky "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" 577c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 578b84d0c41SHeiko Carstens : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), 579b84d0c41SHeiko Carstens [ctr] "+&d" (c.pair) 580b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 581b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMCTR) 582b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 583c7d4d259SMartin Schwidefsky 584b84d0c41SHeiko Carstens return src_len - s.odd; 585c7d4d259SMartin Schwidefsky } 586c7d4d259SMartin Schwidefsky 587c7d4d259SMartin Schwidefsky /** 588985a9d20SHarald Freudenberger * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION) 589c7d4d259SMartin Schwidefsky * instruction 590985a9d20SHarald Freudenberger * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines 591c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 592c7d4d259SMartin Schwidefsky * @dest: address of destination memory area 593c7d4d259SMartin Schwidefsky * @dest_len: size of destination memory area in bytes 594c7d4d259SMartin Schwidefsky * @seed: address of seed data 595c7d4d259SMartin Schwidefsky * @seed_len: size of seed data in bytes 596c7d4d259SMartin Schwidefsky */ 597985a9d20SHarald Freudenberger static inline void cpacf_prno(unsigned long func, void *param, 598f75fa65dSHarald Freudenberger u8 *dest, unsigned long dest_len, 599f75fa65dSHarald Freudenberger const u8 *seed, unsigned long seed_len) 600c7d4d259SMartin Schwidefsky { 601b84d0c41SHeiko Carstens union register_pair d, s; 602c7d4d259SMartin Schwidefsky 603b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 604b84d0c41SHeiko Carstens d.odd = (unsigned long)dest_len; 605b84d0c41SHeiko Carstens s.even = (unsigned long)seed; 606b84d0c41SHeiko Carstens s.odd = (unsigned long)seed_len; 607c7d4d259SMartin Schwidefsky asm volatile ( 608b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 609b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 610c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" 611c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 612b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair) 613b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 614b84d0c41SHeiko Carstens [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) 615b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 616c7d4d259SMartin Schwidefsky } 617c7d4d259SMartin Schwidefsky 618c7d4d259SMartin Schwidefsky /** 619f75fa65dSHarald Freudenberger * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction 620f75fa65dSHarald Freudenberger * @ucbuf: buffer for unconditioned data 621f75fa65dSHarald Freudenberger * @ucbuf_len: amount of unconditioned data to fetch in bytes 622f75fa65dSHarald Freudenberger * @cbuf: buffer for conditioned data 623f75fa65dSHarald Freudenberger * @cbuf_len: amount of conditioned data to fetch in bytes 624f75fa65dSHarald Freudenberger */ 625f75fa65dSHarald Freudenberger static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, 626f75fa65dSHarald Freudenberger u8 *cbuf, unsigned long cbuf_len) 627f75fa65dSHarald Freudenberger { 628b84d0c41SHeiko Carstens union register_pair u, c; 629f75fa65dSHarald Freudenberger 630b84d0c41SHeiko Carstens u.even = (unsigned long)ucbuf; 631b84d0c41SHeiko Carstens u.odd = (unsigned long)ucbuf_len; 632b84d0c41SHeiko Carstens c.even = (unsigned long)cbuf; 633b84d0c41SHeiko Carstens c.odd = (unsigned long)cbuf_len; 634f75fa65dSHarald Freudenberger asm volatile ( 635b84d0c41SHeiko Carstens " lghi 0,%[fc]\n" 636f75fa65dSHarald Freudenberger "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" 637f75fa65dSHarald Freudenberger " brc 1,0b\n" /* handle partial completion */ 638b84d0c41SHeiko Carstens : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) 639b84d0c41SHeiko Carstens : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) 640b84d0c41SHeiko Carstens : "cc", "memory", "0"); 6418c208bc5SIlya Leoshkevich kmsan_unpoison_memory(ucbuf, ucbuf_len); 6428c208bc5SIlya Leoshkevich kmsan_unpoison_memory(cbuf, cbuf_len); 643f75fa65dSHarald Freudenberger } 644f75fa65dSHarald Freudenberger 645f75fa65dSHarald Freudenberger /** 646c7d4d259SMartin Schwidefsky * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) 647c7d4d259SMartin Schwidefsky * instruction 648c7d4d259SMartin Schwidefsky * @func: the function code passed to PCC; see CPACF_KM_xxx defines 649c7d4d259SMartin Schwidefsky * @param: address of parameter block; see POP for details on each func 650c7d4d259SMartin Schwidefsky */ 6510177db01SMartin Schwidefsky static inline void cpacf_pcc(unsigned long func, void *param) 652c7d4d259SMartin Schwidefsky { 653c7d4d259SMartin Schwidefsky asm volatile( 654b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 655b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 656c7d4d259SMartin Schwidefsky "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ 657c7d4d259SMartin Schwidefsky " brc 1,0b\n" /* handle partial completion */ 658c7d4d259SMartin Schwidefsky : 659b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 660b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCC) 661b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 662c7d4d259SMartin Schwidefsky } 663c7d4d259SMartin Schwidefsky 66477606708SHarald Freudenberger /** 66577606708SHarald Freudenberger * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY 66677606708SHarald Freudenberger * MANAGEMENT) instruction 66777606708SHarald Freudenberger * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines 66877606708SHarald Freudenberger * @param: address of parameter block; see POP for details on each func 66977606708SHarald Freudenberger * 67077606708SHarald Freudenberger * Returns 0. 67177606708SHarald Freudenberger */ 67277606708SHarald Freudenberger static inline void cpacf_pckmo(long func, void *param) 67377606708SHarald Freudenberger { 67477606708SHarald Freudenberger asm volatile( 675b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 676b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 67777606708SHarald Freudenberger " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ 67877606708SHarald Freudenberger : 679b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 680b84d0c41SHeiko Carstens [opc] "i" (CPACF_PCKMO) 681b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 68277606708SHarald Freudenberger } 68377606708SHarald Freudenberger 684eecd49c4SPatrick Steuer /** 685eecd49c4SPatrick Steuer * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) 686eecd49c4SPatrick Steuer * instruction 687eecd49c4SPatrick Steuer * @func: the function code passed to KMA; see CPACF_KMA_xxx defines 688eecd49c4SPatrick Steuer * @param: address of parameter block; see POP for details on each func 689eecd49c4SPatrick Steuer * @dest: address of destination memory area 690eecd49c4SPatrick Steuer * @src: address of source memory area 691eecd49c4SPatrick Steuer * @src_len: length of src operand in bytes 692eecd49c4SPatrick Steuer * @aad: address of additional authenticated data memory area 693eecd49c4SPatrick Steuer * @aad_len: length of aad operand in bytes 694eecd49c4SPatrick Steuer */ 695eecd49c4SPatrick Steuer static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, 696eecd49c4SPatrick Steuer const u8 *src, unsigned long src_len, 697eecd49c4SPatrick Steuer const u8 *aad, unsigned long aad_len) 698eecd49c4SPatrick Steuer { 699b84d0c41SHeiko Carstens union register_pair d, s, a; 700eecd49c4SPatrick Steuer 701b84d0c41SHeiko Carstens d.even = (unsigned long)dest; 702b84d0c41SHeiko Carstens s.even = (unsigned long)src; 703b84d0c41SHeiko Carstens s.odd = (unsigned long)src_len; 704b84d0c41SHeiko Carstens a.even = (unsigned long)aad; 705b84d0c41SHeiko Carstens a.odd = (unsigned long)aad_len; 706eecd49c4SPatrick Steuer asm volatile( 707b84d0c41SHeiko Carstens " lgr 0,%[fc]\n" 708b84d0c41SHeiko Carstens " lgr 1,%[pba]\n" 709eecd49c4SPatrick Steuer "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" 710eecd49c4SPatrick Steuer " brc 1,0b\n" /* handle partial completion */ 711b84d0c41SHeiko Carstens : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), 712b84d0c41SHeiko Carstens [aad] "+&d" (a.pair) 713b84d0c41SHeiko Carstens : [fc] "d" (func), [pba] "d" ((unsigned long)param), 714b84d0c41SHeiko Carstens [opc] "i" (CPACF_KMA) 715b84d0c41SHeiko Carstens : "cc", "memory", "0", "1"); 716eecd49c4SPatrick Steuer } 717eecd49c4SPatrick Steuer 718c7d4d259SMartin Schwidefsky #endif /* _ASM_S390_CPACF_H */ 719