diff options
Diffstat (limited to 'arch/s390/crypto/prng.c')
| -rw-r--r-- | arch/s390/crypto/prng.c | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index d750cc0dfe30..41527b113f5a 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -23,8 +23,7 @@ #include <asm/debug.h> #include <asm/uaccess.h> #include <asm/timex.h> - -#include "crypt_s390.h" +#include <asm/cpacf.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("IBM Corporation"); @@ -136,8 +135,8 @@ static int generate_entropy(u8 *ebuf, size_t nbytes) else h = ebuf; /* generate sha256 from this page */ - if (crypt_s390_kimd(KIMD_SHA_256, h, - pg, PAGE_SIZE) != PAGE_SIZE) { + if (cpacf_kimd(CPACF_KIMD_SHA_256, h, + pg, PAGE_SIZE) != PAGE_SIZE) { prng_errorflag = PRNG_GEN_ENTROPY_FAILED; ret = -EIO; goto out; @@ -164,9 +163,9 @@ static void prng_tdes_add_entropy(void) int ret; for (i = 0; i < 16; i++) { - ret = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block, - (char *)entropy, (char *)entropy, - sizeof(entropy)); + ret = cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block, + (char *)entropy, (char *)entropy, + sizeof(entropy)); BUG_ON(ret < 0 || ret != sizeof(entropy)); memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy)); } @@ -311,9 +310,8 @@ static int __init prng_sha512_selftest(void) memset(&ws, 0, sizeof(ws)); /* initial seed */ - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_SEED, - &ws, NULL, 0, - seed, sizeof(seed)); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_SEED, &ws, NULL, 0, + seed, sizeof(seed)); if (ret < 0) { pr_err("The prng self test seed operation for the " "SHA-512 mode failed with rc=%d\n", ret); @@ -331,18 +329,16 @@ static int __init prng_sha512_selftest(void) } /* generate random bytes */ - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_GEN, - &ws, buf, sizeof(buf), - NULL, 0); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_GEN, + &ws, buf, sizeof(buf), NULL, 0); if (ret < 0) { pr_err("The prng self test generate operation for " "the SHA-512 mode failed with rc=%d\n", ret); prng_errorflag = PRNG_SELFTEST_FAILED; return -EIO; } - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_GEN, - &ws, buf, sizeof(buf), - NULL, 0); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_GEN, + &ws, buf, sizeof(buf), NULL, 0); if (ret < 0) { pr_err("The prng self test generate operation for " "the SHA-512 mode failed with rc=%d\n", ret); @@ -396,9 +392,8 @@ static int __init prng_sha512_instantiate(void) get_tod_clock_ext(seed + 48); /* initial seed of the ppno drng */ - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_SEED, - &prng_data->ppnows, NULL, 0, - seed, sizeof(seed)); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_SEED, + &prng_data->ppnows, NULL, 0, seed, sizeof(seed)); if (ret < 0) { prng_errorflag = PRNG_SEED_FAILED; ret = -EIO; @@ -409,11 +404,9 @@ static int __init prng_sha512_instantiate(void) bytes for the FIPS 140-2 Conditional Self Test */ if (fips_enabled) { prng_data->prev = prng_data->buf + prng_chunk_size; - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_GEN, - &prng_data->ppnows, - prng_data->prev, - prng_chunk_size, - NULL, 0); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_GEN, + &prng_data->ppnows, + prng_data->prev, prng_chunk_size, NULL, 0); if (ret < 0 || ret != prng_chunk_size) { prng_errorflag = PRNG_GEN_FAILED; ret = -EIO; @@ -447,9 +440,8 @@ static int prng_sha512_reseed(void) return ret; /* do a reseed of the ppno drng with this bytestring */ - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_SEED, - &prng_data->ppnows, NULL, 0, - seed, sizeof(seed)); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_SEED, + &prng_data->ppnows, NULL, 0, seed, sizeof(seed)); if (ret) { prng_errorflag = PRNG_RESEED_FAILED; return -EIO; @@ -471,9 +463,8 @@ static int prng_sha512_generate(u8 *buf, size_t nbytes) } /* PPNO generate */ - ret = crypt_s390_ppno(PPNO_SHA512_DRNG_GEN, - &prng_data->ppnows, buf, nbytes, - NULL, 0); + ret = cpacf_ppno(CPACF_PPNO_SHA512_DRNG_GEN, + &prng_data->ppnows, buf, nbytes, NULL, 0); if (ret < 0 || ret != nbytes) { prng_errorflag = PRNG_GEN_FAILED; return -EIO; @@ -555,8 +546,8 @@ static ssize_t prng_tdes_read(struct file *file, char __user *ubuf, * Note: you can still get strict X9.17 conformity by setting * prng_chunk_size to 8 bytes. */ - tmp = crypt_s390_kmc(KMC_PRNG, prng_data->prngws.parm_block, - prng_data->buf, prng_data->buf, n); + tmp = cpacf_kmc(CPACF_KMC_PRNG, prng_data->prngws.parm_block, + prng_data->buf, prng_data->buf, n); if (tmp < 0 || tmp != n) { ret = -EIO; break; @@ -815,14 +806,13 @@ static int __init prng_init(void) int ret; /* check if the CPU has a PRNG */ - if (!crypt_s390_func_available(KMC_PRNG, CRYPT_S390_MSA)) + if (!cpacf_query(CPACF_KMC, CPACF_KMC_PRNG)) return -EOPNOTSUPP; /* choose prng mode */ if (prng_mode != PRNG_MODE_TDES) { /* check for MSA5 support for PPNO operations */ - if (!crypt_s390_func_available(PPNO_SHA512_DRNG_GEN, - CRYPT_S390_MSA5)) { + if (!cpacf_query(CPACF_PPNO, CPACF_PPNO_SHA512_DRNG_GEN)) { if (prng_mode == PRNG_MODE_SHA512) { pr_err("The prng module cannot " "start in SHA-512 mode\n"); |