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/* SPDX-License-Identifier: GPL-2.0 */ /* * CP Assist for Cryptographic Functions (CPACF) * * Copyright IBM Corp. 2003, 2023 * Author(s): Thomas Spatzier * Jan Glauber * Harald Freudenberger ([email protected]) * Martin Schwidefsky <[email protected]> */ #ifndef _ASM_S390_CPACF_H #define _ASM_S390_CPACF_H #include <asm/facility.h> #include <linux/kmsan-checks.h> /* * Instruction opcodes for the CPACF instructions */ #define CPACF_KMAC 0xb91e /* MSA */ #define CPACF_KM 0xb92e /* MSA */ #define CPACF_KMC 0xb92f /* MSA */ #define CPACF_KIMD 0xb93e /* MSA */ #define CPACF_KLMD 0xb93f /* MSA */ #define CPACF_PCKMO 0xb928 /* MSA3 */ #define CPACF_KMF 0xb92a /* MSA4 */ #define CPACF_KMO 0xb92b /* MSA4 */ #define CPACF_PCC 0xb92c /* MSA4 */ #define CPACF_KMCTR 0xb92d /* MSA4 */ #define CPACF_PRNO 0xb93c /* MSA5 */ #define CPACF_KMA 0xb929 /* MSA8 */ #define CPACF_KDSA 0xb93a /* MSA9 */ /* * En/decryption modifier bits */ #define CPACF_ENCRYPT 0x00 #define CPACF_DECRYPT 0x80 /* * Function codes for the KM (CIPHER MESSAGE) instruction */ #define CPACF_KM_QUERY 0x00 #define CPACF_KM_DEA 0x01 #define CPACF_KM_TDEA_128 0x02 #define CPACF_KM_TDEA_192 0x03 #define CPACF_KM_AES_128 0x12 #define CPACF_KM_AES_192 0x13 #define CPACF_KM_AES_256 0x14 #define CPACF_KM_PAES_128 0x1a #define CPACF_KM_PAES_192 0x1b #define CPACF_KM_PAES_256 0x1c #define CPACF_KM_XTS_128 0x32 #define CPACF_KM_XTS_256 0x34 #define CPACF_KM_PXTS_128 0x3a #define CPACF_KM_PXTS_256 0x3c #define CPACF_KM_XTS_128_FULL 0x52 #define CPACF_KM_XTS_256_FULL 0x54 #define CPACF_KM_PXTS_128_FULL 0x5a #define CPACF_KM_PXTS_256_FULL 0x5c /* * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING) * instruction */ #define CPACF_KMC_QUERY 0x00 #define CPACF_KMC_DEA 0x01 #define CPACF_KMC_TDEA_128 0x02 #define CPACF_KMC_TDEA_192 0x03 #define CPACF_KMC_AES_128 0x12 #define CPACF_KMC_AES_192 0x13 #define CPACF_KMC_AES_256 0x14 #define CPACF_KMC_PAES_128 0x1a #define CPACF_KMC_PAES_192 0x1b #define CPACF_KMC_PAES_256 0x1c #define CPACF_KMC_PRNG 0x43 /* * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER) * instruction */ #define CPACF_KMCTR_QUERY 0x00 #define CPACF_KMCTR_DEA 0x01 #define CPACF_KMCTR_TDEA_128 0x02 #define CPACF_KMCTR_TDEA_192 0x03 #define CPACF_KMCTR_AES_128 0x12 #define CPACF_KMCTR_AES_192 0x13 #define CPACF_KMCTR_AES_256 0x14 #define CPACF_KMCTR_PAES_128 0x1a #define CPACF_KMCTR_PAES_192 0x1b #define CPACF_KMCTR_PAES_256 0x1c /* * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) * instruction */ #define CPACF_KIMD_QUERY 0x00 #define CPACF_KIMD_SHA_1 0x01 #define CPACF_KIMD_SHA_256 0x02 #define CPACF_KIMD_SHA_512 0x03 #define CPACF_KIMD_SHA3_224 0x20 #define CPACF_KIMD_SHA3_256 0x21 #define CPACF_KIMD_SHA3_384 0x22 #define CPACF_KIMD_SHA3_512 0x23 #define CPACF_KIMD_GHASH 0x41 /* * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST) * instruction */ #define CPACF_KLMD_QUERY 0x00 #define CPACF_KLMD_SHA_1 0x01 #define CPACF_KLMD_SHA_256 0x02 #define CPACF_KLMD_SHA_512 0x03 #define CPACF_KLMD_SHA3_224 0x20 #define CPACF_KLMD_SHA3_256 0x21 #define CPACF_KLMD_SHA3_384 0x22 #define CPACF_KLMD_SHA3_512 0x23 /* * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) * instruction */ #define CPACF_KMAC_QUERY 0x00 #define CPACF_KMAC_DEA 0x01 #define CPACF_KMAC_TDEA_128 0x02 #define CPACF_KMAC_TDEA_192 0x03 #define CPACF_KMAC_HMAC_SHA_224 0x70 #define CPACF_KMAC_HMAC_SHA_256 0x71 #define CPACF_KMAC_HMAC_SHA_384 0x72 #define CPACF_KMAC_HMAC_SHA_512 0x73 /* * Function codes for the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT) * instruction */ #define CPACF_PCKMO_QUERY 0x00 #define CPACF_PCKMO_ENC_DES_KEY 0x01 #define CPACF_PCKMO_ENC_TDES_128_KEY 0x02 #define CPACF_PCKMO_ENC_TDES_192_KEY 0x03 #define CPACF_PCKMO_ENC_AES_128_KEY 0x12 #define CPACF_PCKMO_ENC_AES_192_KEY 0x13 #define CPACF_PCKMO_ENC_AES_256_KEY 0x14 #define CPACF_PCKMO_ENC_AES_XTS_128_DOUBLE_KEY 0x15 #define CPACF_PCKMO_ENC_AES_XTS_256_DOUBLE_KEY 0x16 #define CPACF_PCKMO_ENC_ECC_P256_KEY 0x20 #define CPACF_PCKMO_ENC_ECC_P384_KEY 0x21 #define CPACF_PCKMO_ENC_ECC_P521_KEY 0x22 #define CPACF_PCKMO_ENC_ECC_ED25519_KEY 0x28 #define CPACF_PCKMO_ENC_ECC_ED448_KEY 0x29 #define CPACF_PCKMO_ENC_HMAC_512_KEY 0x76 #define CPACF_PCKMO_ENC_HMAC_1024_KEY 0x7a /* * Function codes for the PRNO (PERFORM RANDOM NUMBER OPERATION) * instruction */ #define CPACF_PRNO_QUERY 0x00 #define CPACF_PRNO_SHA512_DRNG_GEN 0x03 #define CPACF_PRNO_SHA512_DRNG_SEED 0x83 #define CPACF_PRNO_TRNG_Q_R2C_RATIO 0x70 #define CPACF_PRNO_TRNG 0x72 /* * Function codes for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) * instruction */ #define CPACF_KMA_QUERY 0x00 #define CPACF_KMA_GCM_AES_128 0x12 #define CPACF_KMA_GCM_AES_192 0x13 #define CPACF_KMA_GCM_AES_256 0x14 /* * Flags for the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction */ #define CPACF_KMA_LPC 0x100 /* Last-Plaintext/Ciphertext */ #define CPACF_KMA_LAAD 0x200 /* Last-AAD */ #define CPACF_KMA_HS 0x400 /* Hash-subkey Supplied */ /* * Flags for the KIMD/KLMD (COMPUTE INTERMEDIATE/LAST MESSAGE DIGEST) * instructions */ #define CPACF_KIMD_NIP 0x8000 #define CPACF_KLMD_DUFOP 0x4000 #define CPACF_KLMD_NIP 0x8000 /* * Function codes for KDSA (COMPUTE DIGITAL SIGNATURE AUTHENTICATION) * instruction */ #define CPACF_KDSA_QUERY 0x00 #define CPACF_KDSA_ECDSA_VERIFY_P256 0x01 #define CPACF_KDSA_ECDSA_VERIFY_P384 0x02 #define CPACF_KDSA_ECDSA_VERIFY_P521 0x03 #define CPACF_KDSA_ECDSA_SIGN_P256 0x09 #define CPACF_KDSA_ECDSA_SIGN_P384 0x0a #define CPACF_KDSA_ECDSA_SIGN_P521 0x0b #define CPACF_KDSA_ENC_ECDSA_SIGN_P256 0x11 #define CPACF_KDSA_ENC_ECDSA_SIGN_P384 0x12 #define CPACF_KDSA_ENC_ECDSA_SIGN_P521 0x13 #define CPACF_KDSA_EDDSA_VERIFY_ED25519 0x20 #define CPACF_KDSA_EDDSA_VERIFY_ED448 0x24 #define CPACF_KDSA_EDDSA_SIGN_ED25519 0x28 #define CPACF_KDSA_EDDSA_SIGN_ED448 0x2c #define CPACF_KDSA_ENC_EDDSA_SIGN_ED25519 0x30 #define CPACF_KDSA_ENC_EDDSA_SIGN_ED448 0x34 #define CPACF_FC_QUERY 0x00 #define CPACF_FC_QUERY_AUTH_INFO 0x7F typedef struct { unsigned char bytes[16]; } cpacf_mask_t; typedef struct { unsigned char bytes[256]; } cpacf_qai_t; /* * Prototype for a not existing function to produce a link * error if __cpacf_query() or __cpacf_check_opcode() is used * with an invalid compile time const opcode. */ void __cpacf_bad_opcode(void); static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2, u8 *pb, u8 fc) { asm volatile( " la %%r1,%[pb]\n" " lghi %%r0,%[fc]\n" " .insn rre,%[opc] << 16,%[r1],%[r2]\n" : [pb] "=R" (*pb) : [opc] "i" (opc), [fc] "i" (fc), [r1] "i" (r1), [r2] "i" (r2) : "cc", "memory", "r0", "r1"); } static __always_inline void __cpacf_query_rrf(u32 opc, u8 r1, u8 r2, u8 r3, u8 m4, u8 *pb, u8 fc) { asm volatile( " la %%r1,%[pb]\n" " lghi %%r0,%[fc]\n" " .insn rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n" : [pb] "=R" (*pb) : [opc] "i" (opc), [fc] "i" (fc), [r1] "i" (r1), [r2] "i" (r2), [r3] "i" (r3), [m4] "i" (m4) : "cc", "memory", "r0", "r1"); } static __always_inline void __cpacf_query_insn(unsigned int opcode, void *pb, u8 fc) { switch (opcode) { case CPACF_KDSA: __cpacf_query_rre(CPACF_KDSA, 0, 2, pb, fc); break; case CPACF_KIMD: __cpacf_query_rre(CPACF_KIMD, 0, 2, pb, fc); break; case CPACF_KLMD: __cpacf_query_rre(CPACF_KLMD, 0, 2, pb, fc); break; case CPACF_KM: __cpacf_query_rre(CPACF_KM, 2, 4, pb, fc); break; case CPACF_KMA: __cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, pb, fc); break; case CPACF_KMAC: __cpacf_query_rre(CPACF_KMAC, 0, 2, pb, fc); break; case CPACF_KMC: __cpacf_query_rre(CPACF_KMC, 2, 4, pb, fc); break; case CPACF_KMCTR: __cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, pb, fc); break; case CPACF_KMF: __cpacf_query_rre(CPACF_KMF, 2, 4, pb, fc); break; case CPACF_KMO: __cpacf_query_rre(CPACF_KMO, 2, 4, pb, fc); break; case CPACF_PCC: __cpacf_query_rre(CPACF_PCC, 0, 0, pb, fc); break; case CPACF_PCKMO: __cpacf_query_rre(CPACF_PCKMO, 0, 0, pb, fc); break; case CPACF_PRNO: __cpacf_query_rre(CPACF_PRNO, 2, 4, pb, fc); break; default: __cpacf_bad_opcode(); } } static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask) { __cpacf_query_insn(opcode, mask, CPACF_FC_QUERY); } static __always_inline int __cpacf_check_opcode(unsigned int opcode) { switch (opcode) { case CPACF_KMAC: case CPACF_KM: case CPACF_KMC: case CPACF_KIMD: case CPACF_KLMD: return test_facility(17); /* check for MSA */ case CPACF_PCKMO: return test_facility(76); /* check for MSA3 */ case CPACF_KMF: case CPACF_KMO: case CPACF_PCC: case CPACF_KMCTR: return test_facility(77); /* check for MSA4 */ case CPACF_PRNO: return test_facility(57); /* check for MSA5 */ case CPACF_KMA: return test_facility(146); /* check for MSA8 */ case CPACF_KDSA: return test_facility(155); /* check for MSA9 */ default: __cpacf_bad_opcode(); return 0; } } /** * cpacf_query() - Query the function code mask for this CPACF opcode * @opcode: the opcode of the crypto instruction * @mask: ptr to struct cpacf_mask_t * * Executes the query function for the given crypto instruction @opcode * and checks if @func is available * * On success 1 is returned and the mask is filled with the function * code mask for this CPACF opcode, otherwise 0 is returned. */ static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask) { if (__cpacf_check_opcode(opcode)) { __cpacf_query(opcode, mask); return 1; } memset(mask, 0, sizeof(*mask)); return 0; } static inline int cpacf_test_func(cpacf_mask_t *mask, unsigned int func) { return (mask->bytes[func >> 3] & (0x80 >> (func & 7))) != 0; } static __always_inline int cpacf_query_func(unsigned int opcode, unsigned int func) { cpacf_mask_t mask; if (cpacf_query(opcode, &mask)) return cpacf_test_func(&mask, func); return 0; } static __always_inline void __cpacf_qai(unsigned int opcode, cpacf_qai_t *qai) { __cpacf_query_insn(opcode, qai, CPACF_FC_QUERY_AUTH_INFO); } /** * cpacf_qai() - Get the query authentication information for a CPACF opcode * @opcode: the opcode of the crypto instruction * @mask: ptr to struct cpacf_qai_t * * Executes the query authentication information function for the given crypto * instruction @opcode and checks if @func is available * * On success 1 is returned and the mask is filled with the query authentication * information for this CPACF opcode, otherwise 0 is returned. */ static __always_inline int cpacf_qai(unsigned int opcode, cpacf_qai_t *qai) { if (cpacf_query_func(opcode, CPACF_FC_QUERY_AUTH_INFO)) { __cpacf_qai(opcode, qai); return 1; } memset(qai, 0, sizeof(*qai)); return 0; } /** * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction * @func: the function code passed to KM; see CPACF_KM_xxx defines * @param: address of parameter block; see POP for details on each func * @dest: address of destination memory area * @src: address of source memory area * @src_len: length of src operand in bytes * * Returns 0 for the query func, number of processed bytes for * encryption/decryption funcs */ static inline int cpacf_km(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len) { union register_pair d, s; d.even = (unsigned long)dest; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" " brc 1,0b\n" /* handle partial completion */ : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KM) : "cc", "memory", "0", "1"); return src_len - s.odd; } /** * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction * @func: the function code passed to KM; see CPACF_KMC_xxx defines * @param: address of parameter block; see POP for details on each func * @dest: address of destination memory area * @src: address of source memory area * @src_len: length of src operand in bytes * * Returns 0 for the query func, number of processed bytes for * encryption/decryption funcs */ static inline int cpacf_kmc(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len) { union register_pair d, s; d.even = (unsigned long)dest; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[src]\n" " brc 1,0b\n" /* handle partial completion */ : [src] "+&d" (s.pair), [dst] "+&d" (d.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KMC) : "cc", "memory", "0", "1"); return src_len - s.odd; } /** * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) * instruction * @func: the function code passed to KM; see CPACF_KIMD_xxx defines * @param: address of parameter block; see POP for details on each func * @src: address of source memory area * @src_len: length of src operand in bytes */ static inline void cpacf_kimd(unsigned long func, void *param, const u8 *src, long src_len) { union register_pair s; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" " brc 1,0b\n" /* handle partial completion */ : [src] "+&d" (s.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)(param)), [opc] "i" (CPACF_KIMD) : "cc", "memory", "0", "1"); } /** * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction * @func: the function code passed to KM; see CPACF_KLMD_xxx defines * @param: address of parameter block; see POP for details on each func * @src: address of source memory area * @src_len: length of src operand in bytes */ static inline void cpacf_klmd(unsigned long func, void *param, const u8 *src, long src_len) { union register_pair s; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,0,%[src],8,0\n" " brc 1,0b\n" /* handle partial completion */ : [src] "+&d" (s.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KLMD) : "cc", "memory", "0", "1"); } /** * _cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) * instruction and updates flags in gr0 * @gr0: pointer to gr0 (fc and flags) passed to KMAC; see CPACF_KMAC_xxx defines * @param: address of parameter block; see POP for details on each func * @src: address of source memory area * @src_len: length of src operand in bytes * * Returns 0 for the query func, number of processed bytes for digest funcs */ static inline int _cpacf_kmac(unsigned long *gr0, void *param, const u8 *src, long src_len) { union register_pair s; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; asm volatile( " lgr 0,%[r0]\n" " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,%[src]\n" " brc 1,0b\n" /* handle partial completion */ " lgr %[r0],0\n" : [r0] "+d" (*gr0), [src] "+&d" (s.pair) : [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KMAC) : "cc", "memory", "0", "1"); return src_len - s.odd; } /** * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) * instruction * @func: function code passed to KMAC; see CPACF_KMAC_xxx defines * @param: address of parameter block; see POP for details on each func * @src: address of source memory area * @src_len: length of src operand in bytes * * Returns 0 for the query func, number of processed bytes for digest funcs */ static inline int cpacf_kmac(unsigned long func, void *param, const u8 *src, long src_len) { return _cpacf_kmac(&func, param, src, src_len); } /** * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines * @param: address of parameter block; see POP for details on each func * @dest: address of destination memory area * @src: address of source memory area * @src_len: length of src operand in bytes * @counter: address of counter value * * Returns 0 for the query func, number of processed bytes for * encryption/decryption funcs */ static inline int cpacf_kmctr(unsigned long func, void *param, u8 *dest, const u8 *src, long src_len, u8 *counter) { union register_pair d, s, c; d.even = (unsigned long)dest; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; c.even = (unsigned long)counter; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n" " brc 1,0b\n" /* handle partial completion */ : [src] "+&d" (s.pair), [dst] "+&d" (d.pair), [ctr] "+&d" (c.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KMCTR) : "cc", "memory", "0", "1"); return src_len - s.odd; } /** * cpacf_prno() - executes the PRNO (PERFORM RANDOM NUMBER OPERATION) * instruction * @func: the function code passed to PRNO; see CPACF_PRNO_xxx defines * @param: address of parameter block; see POP for details on each func * @dest: address of destination memory area * @dest_len: size of destination memory area in bytes * @seed: address of seed data * @seed_len: size of seed data in bytes */ static inline void cpacf_prno(unsigned long func, void *param, u8 *dest, unsigned long dest_len, const u8 *seed, unsigned long seed_len) { union register_pair d, s; d.even = (unsigned long)dest; d.odd = (unsigned long)dest_len; s.even = (unsigned long)seed; s.odd = (unsigned long)seed_len; asm volatile ( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n" " brc 1,0b\n" /* handle partial completion */ : [dst] "+&d" (d.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [seed] "d" (s.pair), [opc] "i" (CPACF_PRNO) : "cc", "memory", "0", "1"); } /** * cpacf_trng() - executes the TRNG subfunction of the PRNO instruction * @ucbuf: buffer for unconditioned data * @ucbuf_len: amount of unconditioned data to fetch in bytes * @cbuf: buffer for conditioned data * @cbuf_len: amount of conditioned data to fetch in bytes */ static inline void cpacf_trng(u8 *ucbuf, unsigned long ucbuf_len, u8 *cbuf, unsigned long cbuf_len) { union register_pair u, c; u.even = (unsigned long)ucbuf; u.odd = (unsigned long)ucbuf_len; c.even = (unsigned long)cbuf; c.odd = (unsigned long)cbuf_len; asm volatile ( " lghi 0,%[fc]\n" "0: .insn rre,%[opc] << 16,%[ucbuf],%[cbuf]\n" " brc 1,0b\n" /* handle partial completion */ : [ucbuf] "+&d" (u.pair), [cbuf] "+&d" (c.pair) : [fc] "K" (CPACF_PRNO_TRNG), [opc] "i" (CPACF_PRNO) : "cc", "memory", "0"); kmsan_unpoison_memory(ucbuf, ucbuf_len); kmsan_unpoison_memory(cbuf, cbuf_len); } /** * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) * instruction * @func: the function code passed to PCC; see CPACF_KM_xxx defines * @param: address of parameter block; see POP for details on each func */ static inline void cpacf_pcc(unsigned long func, void *param) { asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */ " brc 1,0b\n" /* handle partial completion */ : : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_PCC) : "cc", "memory", "0", "1"); } /** * cpacf_pckmo() - executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY * MANAGEMENT) instruction * @func: the function code passed to PCKMO; see CPACF_PCKMO_xxx defines * @param: address of parameter block; see POP for details on each func * * Returns 0. */ static inline void cpacf_pckmo(long func, void *param) { asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" " .insn rre,%[opc] << 16,0,0\n" /* PCKMO opcode */ : : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_PCKMO) : "cc", "memory", "0", "1"); } /** * cpacf_kma() - executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) * instruction * @func: the function code passed to KMA; see CPACF_KMA_xxx defines * @param: address of parameter block; see POP for details on each func * @dest: address of destination memory area * @src: address of source memory area * @src_len: length of src operand in bytes * @aad: address of additional authenticated data memory area * @aad_len: length of aad operand in bytes */ static inline void cpacf_kma(unsigned long func, void *param, u8 *dest, const u8 *src, unsigned long src_len, const u8 *aad, unsigned long aad_len) { union register_pair d, s, a; d.even = (unsigned long)dest; s.even = (unsigned long)src; s.odd = (unsigned long)src_len; a.even = (unsigned long)aad; a.odd = (unsigned long)aad_len; asm volatile( " lgr 0,%[fc]\n" " lgr 1,%[pba]\n" "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[aad],0\n" " brc 1,0b\n" /* handle partial completion */ : [dst] "+&d" (d.pair), [src] "+&d" (s.pair), [aad] "+&d" (a.pair) : [fc] "d" (func), [pba] "d" ((unsigned long)param), [opc] "i" (CPACF_KMA) : "cc", "memory", "0", "1"); } #endif /* _ASM_S390_CPACF_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| trace | Folder | 0755 |
|
|
| vdso | Folder | 0755 |
|
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| Kbuild | File | 253 B | 0644 |
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| abs_lowcore.h | File | 703 B | 0644 |
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| access-regs.h | File | 806 B | 0644 |
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| airq.h | File | 3.29 KB | 0644 |
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| alternative.h | File | 7.2 KB | 0644 |
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| ap.h | File | 15.71 KB | 0644 |
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| appldata.h | File | 1.57 KB | 0644 |
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| arch_hweight.h | File | 1.66 KB | 0644 |
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| archrandom.h | File | 947 B | 0644 |
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| asm-const.h | File | 376 B | 0644 |
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| asm-extable.h | File | 3.29 KB | 0644 |
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| asm-prototypes.h | File | 384 B | 0644 |
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| asm.h | File | 1.84 KB | 0644 |
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| atomic.h | File | 6.61 KB | 0644 |
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| atomic_ops.h | File | 7.12 KB | 0644 |
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| barrier.h | File | 1.93 KB | 0644 |
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| bitops.h | File | 6.69 KB | 0644 |
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| boot_data.h | File | 1.62 KB | 0644 |
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| bug.h | File | 1.5 KB | 0644 |
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| cache.h | File | 389 B | 0644 |
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| ccwdev.h | File | 8.33 KB | 0644 |
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| ccwgroup.h | File | 2.25 KB | 0644 |
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| checksum.h | File | 3.18 KB | 0644 |
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| chpid.h | File | 979 B | 0644 |
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| chsc.h | File | 1.7 KB | 0644 |
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| cio.h | File | 9.01 KB | 0644 |
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| clocksource.h | File | 184 B | 0644 |
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| clp.h | File | 1.39 KB | 0644 |
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| cmb.h | File | 425 B | 0644 |
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| cmpxchg.h | File | 6.04 KB | 0644 |
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| compat.h | File | 2.78 KB | 0644 |
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| cpacf.h | File | 21.03 KB | 0644 |
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| cpcmd.h | File | 1.11 KB | 0644 |
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| cpu.h | File | 620 B | 0644 |
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| cpu_mf-insn.h | File | 478 B | 0644 |
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| cpu_mf.h | File | 8.49 KB | 0644 |
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| cpufeature.h | File | 464 B | 0644 |
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| cputime.h | File | 393 B | 0644 |
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| crw.h | File | 1.81 KB | 0644 |
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| css_chars.h | File | 904 B | 0644 |
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| ctlreg.h | File | 7.82 KB | 0644 |
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| current.h | File | 407 B | 0644 |
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| dat-bits.h | File | 4.91 KB | 0644 |
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| debug.h | File | 14.36 KB | 0644 |
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| delay.h | File | 647 B | 0644 |
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| diag.h | File | 7.72 KB | 0644 |
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| dis.h | File | 636 B | 0644 |
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| dma-types.h | File | 2.5 KB | 0644 |
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| dma.h | File | 359 B | 0644 |
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| dwarf.h | File | 952 B | 0644 |
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| eadm.h | File | 2.07 KB | 0644 |
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| ebcdic.h | File | 1.4 KB | 0644 |
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| elf.h | File | 11.2 KB | 0644 |
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| entry-common.h | File | 1.43 KB | 0644 |
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| exec.h | File | 269 B | 0644 |
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| extable.h | File | 1.88 KB | 0644 |
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| extmem.h | File | 1.04 KB | 0644 |
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| facility.h | File | 3.41 KB | 0644 |
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| fault.h | File | 730 B | 0644 |
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| fcx.h | File | 7.96 KB | 0644 |
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| fprobe.h | File | 229 B | 0644 |
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| fpu-insn-asm.h | File | 15.4 KB | 0644 |
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| fpu-insn.h | File | 11.35 KB | 0644 |
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| fpu-types.h | File | 1.06 KB | 0644 |
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| fpu.h | File | 8.18 KB | 0644 |
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| ftrace.h | File | 4.32 KB | 0644 |
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| ftrace.lds.h | File | 720 B | 0644 |
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| futex.h | File | 2.56 KB | 0644 |
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| gmap.h | File | 6.31 KB | 0644 |
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| hardirq.h | File | 783 B | 0644 |
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| hiperdispatch.h | File | 295 B | 0644 |
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| hugetlb.h | File | 2.81 KB | 0644 |
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| hw_irq.h | File | 210 B | 0644 |
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| idals.h | File | 6.1 KB | 0644 |
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| idle.h | File | 614 B | 0644 |
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| io.h | File | 2.49 KB | 0644 |
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| ipl.h | File | 4.05 KB | 0644 |
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| irq.h | File | 2.55 KB | 0644 |
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| irq_work.h | File | 204 B | 0644 |
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| irqflags.h | File | 2.07 KB | 0644 |
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| isc.h | File | 1.01 KB | 0644 |
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| itcw.h | File | 950 B | 0644 |
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| jump_label.h | File | 1.32 KB | 0644 |
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| kasan.h | File | 460 B | 0644 |
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| kdebug.h | File | 397 B | 0644 |
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| kexec.h | File | 3.17 KB | 0644 |
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| kfence.h | File | 1.13 KB | 0644 |
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| kmsan.h | File | 1.54 KB | 0644 |
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| kprobes.h | File | 2.02 KB | 0644 |
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| kvm_host.h | File | 27.71 KB | 0644 |
|
| kvm_para.h | File | 3.67 KB | 0644 |
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| linkage.h | File | 223 B | 0644 |
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| lowcore.h | File | 7.22 KB | 0644 |
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| maccess.h | File | 564 B | 0644 |
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| march.h | File | 722 B | 0644 |
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| mem_encrypt.h | File | 304 B | 0644 |
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| mmu.h | File | 1.38 KB | 0644 |
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| mmu_context.h | File | 3.42 KB | 0644 |
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| module.h | File | 1.54 KB | 0644 |
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| msi.h | File | 527 B | 0644 |
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| nmi.h | File | 3.51 KB | 0644 |
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| nospec-branch.h | File | 1.18 KB | 0644 |
|
| nospec-insn.h | File | 2.43 KB | 0644 |
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| numa.h | File | 386 B | 0644 |
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| os_info.h | File | 1.67 KB | 0644 |
|
| page-states.h | File | 1.75 KB | 0644 |
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| page.h | File | 6.76 KB | 0644 |
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| pai.h | File | 2.03 KB | 0644 |
|
| pci.h | File | 8.64 KB | 0644 |
|
| pci_clp.h | File | 5.35 KB | 0644 |
|
| pci_debug.h | File | 722 B | 0644 |
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| pci_dma.h | File | 2.89 KB | 0644 |
|
| pci_insn.h | File | 3.99 KB | 0644 |
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| pci_io.h | File | 4.28 KB | 0644 |
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| percpu.h | File | 6.33 KB | 0644 |
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| perf_event.h | File | 1.93 KB | 0644 |
|
| pfault.h | File | 461 B | 0644 |
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| pgalloc.h | File | 4.39 KB | 0644 |
|
| pgtable.h | File | 60.39 KB | 0644 |
|
| physmem_info.h | File | 4.92 KB | 0644 |
|
| pkey.h | File | 754 B | 0644 |
|
| pnet.h | File | 325 B | 0644 |
|
| preempt.h | File | 3.51 KB | 0644 |
|
| processor.h | File | 10.96 KB | 0644 |
|
| ptrace.h | File | 7.56 KB | 0644 |
|
| purgatory.h | File | 329 B | 0644 |
|
| qdio.h | File | 9.92 KB | 0644 |
|
| runtime-const.h | File | 1.92 KB | 0644 |
|
| runtime_instr.h | File | 634 B | 0644 |
|
| rwonce.h | File | 691 B | 0644 |
|
| schid.h | File | 525 B | 0644 |
|
| sclp.h | File | 4.97 KB | 0644 |
|
| scsw.h | File | 25.06 KB | 0644 |
|
| seccomp.h | File | 808 B | 0644 |
|
| sections.h | File | 1.03 KB | 0644 |
|
| set_memory.h | File | 2.12 KB | 0644 |
|
| setup.h | File | 4.8 KB | 0644 |
|
| signal.h | File | 644 B | 0644 |
|
| sigp.h | File | 1.87 KB | 0644 |
|
| smp.h | File | 2.06 KB | 0644 |
|
| softirq_stack.h | File | 372 B | 0644 |
|
| sparsemem.h | File | 506 B | 0644 |
|
| spinlock.h | File | 3.31 KB | 0644 |
|
| spinlock_types.h | File | 413 B | 0644 |
|
| stacktrace.h | File | 7.88 KB | 0644 |
|
| stp.h | File | 1.69 KB | 0644 |
|
| string.h | File | 5.49 KB | 0644 |
|
| syscall.h | File | 3.81 KB | 0644 |
|
| syscall_wrapper.h | File | 4.67 KB | 0644 |
|
| sysinfo.h | File | 4.33 KB | 0644 |
|
| text-patching.h | File | 301 B | 0644 |
|
| thread_info.h | File | 3.74 KB | 0644 |
|
| timex.h | File | 6.6 KB | 0644 |
|
| tlb.h | File | 4.68 KB | 0644 |
|
| tlbflush.h | File | 2.98 KB | 0644 |
|
| topology.h | File | 2.91 KB | 0644 |
|
| tpi.h | File | 736 B | 0644 |
|
| types.h | File | 318 B | 0644 |
|
| uaccess.h | File | 18.89 KB | 0644 |
|
| unistd.h | File | 1.01 KB | 0644 |
|
| unwind.h | File | 3.3 KB | 0644 |
|
| uprobes.h | File | 588 B | 0644 |
|
| user.h | File | 3.16 KB | 0644 |
|
| uv.h | File | 16.12 KB | 0644 |
|
| vdso-symbols.h | File | 499 B | 0644 |
|
| vdso.h | File | 326 B | 0644 |
|
| vmalloc.h | File | 90 B | 0644 |
|
| vmlinux.lds.h | File | 1.14 KB | 0644 |
|
| vtime.h | File | 612 B | 0644 |
|
| vtimer.h | File | 830 B | 0644 |
|
| word-at-a-time.h | File | 1.52 KB | 0644 |
|
| xor.h | File | 454 B | 0644 |
|