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Diffstat (limited to 'arch/s390/crypto')
-rw-r--r--arch/s390/crypto/aes_s390.c299
-rw-r--r--arch/s390/crypto/des_s390.c77
-rw-r--r--arch/s390/crypto/ghash_s390.c2
-rw-r--r--arch/s390/crypto/prng.c4
-rw-r--r--arch/s390/crypto/sha1_s390.c2
-rw-r--r--arch/s390/crypto/sha256_s390.c2
-rw-r--r--arch/s390/crypto/sha512_s390.c2
7 files changed, 167 insertions, 221 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index be87575270ff..f4ad96ebb7e9 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -31,13 +31,10 @@
#include <crypto/xts.h>
#include <asm/cpacf.h>
-#define AES_KEYLEN_128 1
-#define AES_KEYLEN_192 2
-#define AES_KEYLEN_256 4
-
static u8 *ctrblk;
static DEFINE_SPINLOCK(ctrblk_lock);
-static char keylen_flag;
+
+static cpacf_mask_t km_functions, kmc_functions, kmctr_functions;
struct s390_aes_ctx {
u8 key[AES_MAX_KEY_SIZE];
@@ -65,33 +62,6 @@ struct s390_xts_ctx {
struct crypto_skcipher *fallback;
};
-/*
- * Check if the key_len is supported by the HW.
- * Returns 0 if it is, a positive number if it is not and software fallback is
- * required or a negative number in case the key size is not valid
- */
-static int need_fallback(unsigned int key_len)
-{
- switch (key_len) {
- case 16:
- if (!(keylen_flag & AES_KEYLEN_128))
- return 1;
- break;
- case 24:
- if (!(keylen_flag & AES_KEYLEN_192))
- return 1;
- break;
- case 32:
- if (!(keylen_flag & AES_KEYLEN_256))
- return 1;
- break;
- default:
- return -1;
- break;
- }
- return 0;
-}
-
static int setkey_fallback_cip(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
@@ -115,72 +85,44 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
- u32 *flags = &tfm->crt_flags;
- int ret;
+ unsigned long fc;
- ret = need_fallback(key_len);
- if (ret < 0) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- return -EINVAL;
- }
+ /* Pick the correct function code based on the key length */
+ fc = (key_len == 16) ? CPACF_KM_AES_128 :
+ (key_len == 24) ? CPACF_KM_AES_192 :
+ (key_len == 32) ? CPACF_KM_AES_256 : 0;
- sctx->key_len = key_len;
- if (!ret) {
- memcpy(sctx->key, in_key, key_len);
- return 0;
- }
+ /* Check if the function code is available */
+ sctx->fc = (fc && cpacf_test_func(&km_functions, fc)) ? fc : 0;
+ if (!sctx->fc)
+ return setkey_fallback_cip(tfm, in_key, key_len);
- return setkey_fallback_cip(tfm, in_key, key_len);
+ sctx->key_len = key_len;
+ memcpy(sctx->key, in_key, key_len);
+ return 0;
}
static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
- if (unlikely(need_fallback(sctx->key_len))) {
+ if (unlikely(!sctx->fc)) {
crypto_cipher_encrypt_one(sctx->fallback.cip, out, in);
return;
}
-
- switch (sctx->key_len) {
- case 16:
- cpacf_km(CPACF_KM_AES_128,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- case 24:
- cpacf_km(CPACF_KM_AES_192,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- case 32:
- cpacf_km(CPACF_KM_AES_256,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- }
+ cpacf_km(sctx->fc, &sctx->key, out, in, AES_BLOCK_SIZE);
}
static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
- if (unlikely(need_fallback(sctx->key_len))) {
+ if (unlikely(!sctx->fc)) {
crypto_cipher_decrypt_one(sctx->fallback.cip, out, in);
return;
}
-
- switch (sctx->key_len) {
- case 16:
- cpacf_km(CPACF_KM_AES_128 | CPACF_DECRYPT,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- case 24:
- cpacf_km(CPACF_KM_AES_192 | CPACF_DECRYPT,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- case 32:
- cpacf_km(CPACF_KM_AES_256 | CPACF_DECRYPT,
- &sctx->key, out, in, AES_BLOCK_SIZE);
- break;
- }
+ cpacf_km(sctx->fc | CPACF_DECRYPT,
+ &sctx->key, out, in, AES_BLOCK_SIZE);
}
static int fallback_init_cip(struct crypto_tfm *tfm)
@@ -289,27 +231,21 @@ static int ecb_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
- int ret;
+ unsigned long fc;
- ret = need_fallback(key_len);
- if (ret > 0) {
- sctx->key_len = key_len;
- return setkey_fallback_blk(tfm, in_key, key_len);
- }
+ /* Pick the correct function code based on the key length */
+ fc = (key_len == 16) ? CPACF_KM_AES_128 :
+ (key_len == 24) ? CPACF_KM_AES_192 :
+ (key_len == 32) ? CPACF_KM_AES_256 : 0;
- switch (key_len) {
- case 16:
- sctx->fc = CPACF_KM_AES_128;
- break;
- case 24:
- sctx->fc = CPACF_KM_AES_192;
- break;
- case 32:
- sctx->fc = CPACF_KM_AES_256;
- break;
- }
+ /* Check if the function code is available */
+ sctx->fc = (fc && cpacf_test_func(&km_functions, fc)) ? fc : 0;
+ if (!sctx->fc)
+ return setkey_fallback_blk(tfm, in_key, key_len);
- return aes_set_key(tfm, in_key, key_len);
+ sctx->key_len = key_len;
+ memcpy(sctx->key, in_key, key_len);
+ return 0;
}
static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
@@ -340,7 +276,7 @@ static int ecb_aes_encrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(need_fallback(sctx->key_len)))
+ if (unlikely(!sctx->fc))
return fallback_blk_enc(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -354,7 +290,7 @@ static int ecb_aes_decrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(need_fallback(sctx->key_len)))
+ if (unlikely(!sctx->fc))
return fallback_blk_dec(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -413,27 +349,21 @@ static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
- int ret;
+ unsigned long fc;
- ret = need_fallback(key_len);
- if (ret > 0) {
- sctx->key_len = key_len;
- return setkey_fallback_blk(tfm, in_key, key_len);
- }
+ /* Pick the correct function code based on the key length */
+ fc = (key_len == 16) ? CPACF_KMC_AES_128 :
+ (key_len == 24) ? CPACF_KMC_AES_192 :
+ (key_len == 32) ? CPACF_KMC_AES_256 : 0;
- switch (key_len) {
- case 16:
- sctx->fc = CPACF_KMC_AES_128;
- break;
- case 24:
- sctx->fc = CPACF_KMC_AES_192;
- break;
- case 32:
- sctx->fc = CPACF_KMC_AES_256;
- break;
- }
+ /* Check if the function code is available */
+ sctx->fc = (fc && cpacf_test_func(&kmc_functions, fc)) ? fc : 0;
+ if (!sctx->fc)
+ return setkey_fallback_blk(tfm, in_key, key_len);
- return aes_set_key(tfm, in_key, key_len);
+ sctx->key_len = key_len;
+ memcpy(sctx->key, in_key, key_len);
+ return 0;
}
static int cbc_aes_crypt(struct blkcipher_desc *desc, long func,
@@ -476,7 +406,7 @@ static int cbc_aes_encrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(need_fallback(sctx->key_len)))
+ if (unlikely(!sctx->fc))
return fallback_blk_enc(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -490,7 +420,7 @@ static int cbc_aes_decrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(need_fallback(sctx->key_len)))
+ if (unlikely(!sctx->fc))
return fallback_blk_dec(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -582,33 +512,27 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm);
- u32 *flags = &tfm->crt_flags;
+ unsigned long fc;
int err;
err = xts_check_key(tfm, in_key, key_len);
if (err)
return err;
- switch (key_len) {
- case 32:
- xts_ctx->fc = CPACF_KM_XTS_128;
- memcpy(xts_ctx->key + 16, in_key, 16);
- memcpy(xts_ctx->pcc_key + 16, in_key + 16, 16);
- break;
- case 48:
- xts_ctx->fc = 0;
- xts_fallback_setkey(tfm, in_key, key_len);
- break;
- case 64:
- xts_ctx->fc = CPACF_KM_XTS_256;
- memcpy(xts_ctx->key, in_key, 32);
- memcpy(xts_ctx->pcc_key, in_key + 32, 32);
- break;
- default:
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- return -EINVAL;
- }
+ /* Pick the correct function code based on the key length */
+ fc = (key_len == 32) ? CPACF_KM_XTS_128 :
+ (key_len == 64) ? CPACF_KM_XTS_256 : 0;
+
+ /* Check if the function code is available */
+ xts_ctx->fc = (fc && cpacf_test_func(&km_functions, fc)) ? fc : 0;
+ if (!xts_ctx->fc)
+ return xts_fallback_setkey(tfm, in_key, key_len);
+
+ /* Split the XTS key into the two subkeys */
+ key_len = key_len / 2;
xts_ctx->key_len = key_len;
+ memcpy(xts_ctx->key, in_key, key_len);
+ memcpy(xts_ctx->pcc_key, in_key + key_len, key_len);
return 0;
}
@@ -616,7 +540,7 @@ static int xts_aes_crypt(struct blkcipher_desc *desc, long func,
struct s390_xts_ctx *xts_ctx,
struct blkcipher_walk *walk)
{
- unsigned int offset = (xts_ctx->key_len >> 1) & 0x10;
+ unsigned int offset = xts_ctx->key_len & 0x10;
int ret = blkcipher_walk_virt(desc, walk);
unsigned int nbytes = walk->nbytes;
unsigned int n;
@@ -634,11 +558,11 @@ static int xts_aes_crypt(struct blkcipher_desc *desc, long func,
memset(pcc_param.bit, 0, sizeof(pcc_param.bit));
memset(pcc_param.xts, 0, sizeof(pcc_param.xts));
memcpy(pcc_param.tweak, walk->iv, sizeof(pcc_param.tweak));
- memcpy(pcc_param.key, xts_ctx->pcc_key, 32);
+ memcpy(pcc_param.key + offset, xts_ctx->pcc_key, xts_ctx->key_len);
/* remove decipher modifier bit from 'func' and call PCC */
cpacf_pcc(func & 0x7f, &pcc_param.key[offset]);
- memcpy(xts_param.key, xts_ctx->key, 32);
+ memcpy(xts_param.key + offset, xts_ctx->key, xts_ctx->key_len);
memcpy(xts_param.init, pcc_param.xts, 16);
do {
/* only use complete blocks */
@@ -662,7 +586,7 @@ static int xts_aes_encrypt(struct blkcipher_desc *desc,
struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(xts_ctx->key_len == 48))
+ if (unlikely(!xts_ctx->fc))
return xts_fallback_encrypt(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -676,7 +600,7 @@ static int xts_aes_decrypt(struct blkcipher_desc *desc,
struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
- if (unlikely(xts_ctx->key_len == 48))
+ if (unlikely(!xts_ctx->fc))
return xts_fallback_decrypt(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
@@ -735,20 +659,21 @@ static int ctr_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
+ unsigned long fc;
- switch (key_len) {
- case 16:
- sctx->fc = CPACF_KMCTR_AES_128;
- break;
- case 24:
- sctx->fc = CPACF_KMCTR_AES_192;
- break;
- case 32:
- sctx->fc = CPACF_KMCTR_AES_256;
- break;
- }
+ /* Pick the correct function code based on the key length */
+ fc = (key_len == 16) ? CPACF_KMCTR_AES_128 :
+ (key_len == 24) ? CPACF_KMCTR_AES_192 :
+ (key_len == 32) ? CPACF_KMCTR_AES_256 : 0;
+
+ /* Check if the function code is available */
+ sctx->fc = (fc && cpacf_test_func(&kmctr_functions, fc)) ? fc : 0;
+ if (!sctx->fc)
+ return setkey_fallback_blk(tfm, in_key, key_len);
- return aes_set_key(tfm, in_key, key_len);
+ sctx->key_len = key_len;
+ memcpy(sctx->key, in_key, key_len);
+ return 0;
}
static unsigned int __ctrblk_init(u8 *ctrptr, unsigned int nbytes)
@@ -832,6 +757,9 @@ static int ctr_aes_encrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
+ if (unlikely(!sctx->fc))
+ return fallback_blk_enc(desc, dst, src, nbytes);
+
blkcipher_walk_init(&walk, dst, src, nbytes);
return ctr_aes_crypt(desc, sctx->fc, sctx, &walk);
}
@@ -843,6 +771,9 @@ static int ctr_aes_decrypt(struct blkcipher_desc *desc,
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
struct blkcipher_walk walk;
+ if (unlikely(!sctx->fc))
+ return fallback_blk_dec(desc, dst, src, nbytes);
+
blkcipher_walk_init(&walk, dst, src, nbytes);
return ctr_aes_crypt(desc, sctx->fc | CPACF_DECRYPT, sctx, &walk);
}
@@ -851,11 +782,14 @@ static struct crypto_alg ctr_aes_alg = {
.cra_name = "ctr(aes)",
.cra_driver_name = "ctr-aes-s390",
.cra_priority = 400, /* combo: aes + ctr */
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
+ CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
+ .cra_init = fallback_init_blk,
+ .cra_exit = fallback_exit_blk,
.cra_u = {
.blkcipher = {
.min_keysize = AES_MIN_KEY_SIZE,
@@ -893,43 +827,40 @@ static int __init aes_s390_init(void)
{
int ret;
- if (cpacf_query(CPACF_KM, CPACF_KM_AES_128))
- keylen_flag |= AES_KEYLEN_128;
- if (cpacf_query(CPACF_KM, CPACF_KM_AES_192))
- keylen_flag |= AES_KEYLEN_192;
- if (cpacf_query(CPACF_KM, CPACF_KM_AES_256))
- keylen_flag |= AES_KEYLEN_256;
-
- if (!keylen_flag)
- return -EOPNOTSUPP;
-
- /* z9 109 and z9 BC/EC only support 128 bit key length */
- if (keylen_flag == AES_KEYLEN_128)
- pr_info("AES hardware acceleration is only available for"
- " 128-bit keys\n");
-
- ret = aes_s390_register_alg(&aes_alg);
- if (ret)
- goto out_err;
+ /* Query available functions for KM, KMC and KMCTR */
+ cpacf_query(CPACF_KM, &km_functions);
+ cpacf_query(CPACF_KMC, &kmc_functions);
+ cpacf_query(CPACF_KMCTR, &kmctr_functions);
- ret = aes_s390_register_alg(&ecb_aes_alg);
- if (ret)
- goto out_err;
+ if (cpacf_test_func(&km_functions, CPACF_KM_AES_128) ||
+ cpacf_test_func(&km_functions, CPACF_KM_AES_192) ||
+ cpacf_test_func(&km_functions, CPACF_KM_AES_256)) {
+ ret = aes_s390_register_alg(&aes_alg);
+ if (ret)
+ goto out_err;
+ ret = aes_s390_register_alg(&ecb_aes_alg);
+ if (ret)
+ goto out_err;
+ }
- ret = aes_s390_register_alg(&cbc_aes_alg);
- if (ret)
- goto out_err;
+ if (cpacf_test_func(&kmc_functions, CPACF_KMC_AES_128) ||
+ cpacf_test_func(&kmc_functions, CPACF_KMC_AES_192) ||
+ cpacf_test_func(&kmc_functions, CPACF_KMC_AES_256)) {
+ ret = aes_s390_register_alg(&cbc_aes_alg);
+ if (ret)
+ goto out_err;
+ }
- if (cpacf_query(CPACF_KM, CPACF_KM_XTS_128) &&
- cpacf_query(CPACF_KM, CPACF_KM_XTS_256)) {
+ if (cpacf_test_func(&km_functions, CPACF_KM_XTS_128) ||
+ cpacf_test_func(&km_functions, CPACF_KM_XTS_256)) {
ret = aes_s390_register_alg(&xts_aes_alg);
if (ret)
goto out_err;
}
- if (cpacf_query(CPACF_KMCTR, CPACF_KMCTR_AES_128) &&
- cpacf_query(CPACF_KMCTR, CPACF_KMCTR_AES_192) &&
- cpacf_query(CPACF_KMCTR, CPACF_KMCTR_AES_256)) {
+ if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_AES_128) ||
+ cpacf_test_func(&kmctr_functions, CPACF_KMCTR_AES_192) ||
+ cpacf_test_func(&kmctr_functions, CPACF_KMCTR_AES_256)) {
ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
if (!ctrblk) {
ret = -ENOMEM;
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index b77a546f1e76..965587eefc39 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -27,6 +27,8 @@
static u8 *ctrblk;
static DEFINE_SPINLOCK(ctrblk_lock);
+static cpacf_mask_t km_functions, kmc_functions, kmctr_functions;
+
struct s390_des_ctx {
u8 iv[DES_BLOCK_SIZE];
u8 key[DES3_KEY_SIZE];
@@ -36,12 +38,12 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int key_len)
{
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
- u32 *flags = &tfm->crt_flags;
u32 tmp[DES_EXPKEY_WORDS];
/* check for weak keys */
- if (!des_ekey(tmp, key) && (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
+ if (!des_ekey(tmp, key) &&
+ (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+ tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
@@ -238,13 +240,12 @@ static int des3_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int key_len)
{
struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
- u32 *flags = &tfm->crt_flags;
if (!(crypto_memneq(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
crypto_memneq(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
DES_KEY_SIZE)) &&
- (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
+ (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+ tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
memcpy(ctx->key, key, key_len);
@@ -554,39 +555,53 @@ static int __init des_s390_init(void)
{
int ret;
- if (!cpacf_query(CPACF_KM, CPACF_KM_DEA) ||
- !cpacf_query(CPACF_KM, CPACF_KM_TDEA_192))
- return -EOPNOTSUPP;
-
- ret = des_s390_register_alg(&des_alg);
- if (ret)
- goto out_err;
- ret = des_s390_register_alg(&ecb_des_alg);
- if (ret)
- goto out_err;
- ret = des_s390_register_alg(&cbc_des_alg);
- if (ret)
- goto out_err;
- ret = des_s390_register_alg(&des3_alg);
- if (ret)
- goto out_err;
- ret = des_s390_register_alg(&ecb_des3_alg);
- if (ret)
- goto out_err;
- ret = des_s390_register_alg(&cbc_des3_alg);
- if (ret)
- goto out_err;
-
- if (cpacf_query(CPACF_KMCTR, CPACF_KMCTR_DEA) &&
- cpacf_query(CPACF_KMCTR, CPACF_KMCTR_TDEA_192)) {
+ /* Query available functions for KM, KMC and KMCTR */
+ cpacf_query(CPACF_KM, &km_functions);
+ cpacf_query(CPACF_KMC, &kmc_functions);
+ cpacf_query(CPACF_KMCTR, &kmctr_functions);
+
+ if (cpacf_test_func(&km_functions, CPACF_KM_DEA)) {
+ ret = des_s390_register_alg(&des_alg);
+ if (ret)
+ goto out_err;
+ ret = des_s390_register_alg(&ecb_des_alg);
+ if (ret)
+ goto out_err;
+ }
+ if (cpacf_test_func(&kmc_functions, CPACF_KMC_DEA)) {
+ ret = des_s390_register_alg(&cbc_des_alg);
+ if (ret)
+ goto out_err;
+ }
+ if (cpacf_test_func(&km_functions, CPACF_KM_TDEA_192)) {
+ ret = des_s390_register_alg(&des3_alg);
+ if (ret)
+ goto out_err;
+ ret = des_s390_register_alg(&ecb_des3_alg);
+ if (ret)
+ goto out_err;
+ }
+ if (cpacf_test_func(&kmc_functions, CPACF_KMC_TDEA_192)) {
+ ret = des_s390_register_alg(&cbc_des3_alg);
+ if (ret)
+ goto out_err;
+ }
+
+ if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_DEA) ||
+ cpacf_test_func(&kmctr_functions, CPACF_KMCTR_TDEA_192)) {
ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
if (!ctrblk) {
ret = -ENOMEM;
goto out_err;
}
+ }
+
+ if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_DEA)) {
ret = des_s390_register_alg(&ctr_des_alg);
if (ret)
goto out_err;
+ }
+ if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_TDEA_192)) {
ret = des_s390_register_alg(&ctr_des3_alg);
if (ret)
goto out_err;
diff --git a/arch/s390/crypto/ghash_s390.c b/arch/s390/crypto/ghash_s390.c
index 8e87f5176799..564616d48d8b 100644
--- a/arch/s390/crypto/ghash_s390.c
+++ b/arch/s390/crypto/ghash_s390.c
@@ -136,7 +136,7 @@ static struct shash_alg ghash_alg = {
static int __init ghash_mod_init(void)
{
- if (!cpacf_query(CPACF_KIMD, CPACF_KIMD_GHASH))
+ if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_GHASH))
return -EOPNOTSUPP;
return crypto_register_shash(&ghash_alg);
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index bbf2af74c549..79e3a1f6313a 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -757,13 +757,13 @@ static int __init prng_init(void)
int ret;
/* check if the CPU has a PRNG */
- if (!cpacf_query(CPACF_KMC, CPACF_KMC_PRNG))
+ if (!cpacf_query_func(CPACF_KMC, CPACF_KMC_PRNG))
return -EOPNOTSUPP;
/* choose prng mode */
if (prng_mode != PRNG_MODE_TDES) {
/* check for MSA5 support for PPNO operations */
- if (!cpacf_query(CPACF_PPNO, CPACF_PPNO_SHA512_DRNG_GEN)) {
+ if (!cpacf_query_func(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");
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index 5fbf91bbb478..c7de53d8da75 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -91,7 +91,7 @@ static struct shash_alg alg = {
static int __init sha1_s390_init(void)
{
- if (!cpacf_query(CPACF_KIMD, CPACF_KIMD_SHA_1))
+ if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_SHA_1))
return -EOPNOTSUPP;
return crypto_register_shash(&alg);
}
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 10aac0b11988..53c277999a28 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -123,7 +123,7 @@ static int __init sha256_s390_init(void)
{
int ret;
- if (!cpacf_query(CPACF_KIMD, CPACF_KIMD_SHA_256))
+ if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_SHA_256))
return -EOPNOTSUPP;
ret = crypto_register_shash(&sha256_alg);
if (ret < 0)
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
index ea85757be407..2f4caa1ef123 100644
--- a/arch/s390/crypto/sha512_s390.c
+++ b/arch/s390/crypto/sha512_s390.c
@@ -133,7 +133,7 @@ static int __init init(void)
{
int ret;
- if (!cpacf_query(CPACF_KIMD, CPACF_KIMD_SHA_512))
+ if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_SHA_512))
return -EOPNOTSUPP;
if ((ret = crypto_register_shash(&sha512_alg)) < 0)
goto out;
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-19 06:38:35 +0000