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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-12-07 19:13:51 +0300 |
|---|---|---|
| committer | Daniel P. Berrangé <berrange@redhat.com> | 2018-12-12 11:16:49 +0000 |
| commit | c972fa123c73501b4b0c6de7873754ea3205a5eb (patch) | |
| tree | bde968050ae58bb203988e66bfe1cbe7110d0fef /crypto/block-luks.c | |
| parent | 0f0d596cb16a43314c8bc4a9afa2f966203fb05f (diff) | |
| download | qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.zip qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.tar.gz qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.tar.bz2 | |
crypto: support multiple threads accessing one QCryptoBlock
The two thing that should be handled are cipher and ivgen. For ivgen
the solution is just mutex, as iv calculations should not be long in
comparison with encryption/decryption. And for cipher let's just keep
per-thread ciphers.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto/block-luks.c')
| -rw-r--r-- | crypto/block-luks.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/crypto/block-luks.c b/crypto/block-luks.c index e486e7e..6bac79c 100644 --- a/crypto/block-luks.c +++ b/crypto/block-luks.c @@ -636,6 +636,7 @@ qcrypto_block_luks_open(QCryptoBlock *block, QCryptoBlockReadFunc readfunc, void *opaque, unsigned int flags, + size_t n_threads, Error **errp) { QCryptoBlockLUKS *luks; @@ -836,11 +837,10 @@ qcrypto_block_luks_open(QCryptoBlock *block, goto fail; } - block->cipher = qcrypto_cipher_new(cipheralg, - ciphermode, - masterkey, masterkeylen, - errp); - if (!block->cipher) { + ret = qcrypto_block_init_cipher(block, cipheralg, ciphermode, + masterkey, masterkeylen, n_threads, + errp); + if (ret < 0) { ret = -ENOTSUP; goto fail; } @@ -863,7 +863,7 @@ qcrypto_block_luks_open(QCryptoBlock *block, fail: g_free(masterkey); - qcrypto_cipher_free(block->cipher); + qcrypto_block_free_cipher(block); qcrypto_ivgen_free(block->ivgen); g_free(luks); g_free(password); @@ -1030,11 +1030,9 @@ qcrypto_block_luks_create(QCryptoBlock *block, /* Setup the block device payload encryption objects */ - block->cipher = qcrypto_cipher_new(luks_opts.cipher_alg, - luks_opts.cipher_mode, - masterkey, luks->header.key_bytes, - errp); - if (!block->cipher) { + if (qcrypto_block_init_cipher(block, luks_opts.cipher_alg, + luks_opts.cipher_mode, masterkey, + luks->header.key_bytes, 1, errp) < 0) { goto error; } @@ -1341,7 +1339,7 @@ qcrypto_block_luks_create(QCryptoBlock *block, qcrypto_ivgen_free(ivgen); qcrypto_cipher_free(cipher); - qcrypto_cipher_free(block->cipher); + qcrypto_block_free_cipher(block); qcrypto_ivgen_free(block->ivgen); g_free(luks); |