diff options
| author | Vladimir Sementsov-Ogievskiy | 2018-12-07 17:13:51 +0100 |
|---|---|---|
| committer | Daniel P. Berrangé | 2018-12-12 12:16:49 +0100 |
| commit | c972fa123c73501b4b0c6de7873754ea3205a5eb (patch) | |
| tree | bde968050ae58bb203988e66bfe1cbe7110d0fef /block | |
| parent | crypto/block: introduce qcrypto_block_*crypt_helper functions (diff) | |
| download | qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.tar.gz qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.tar.xz qemu-c972fa123c73501b4b0c6de7873754ea3205a5eb.zip | |
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 'block')
| -rw-r--r-- | block/crypto.c | 1 | ||||
| -rw-r--r-- | block/qcow.c | 2 | ||||
| -rw-r--r-- | block/qcow2.c | 4 |
3 files changed, 4 insertions, 3 deletions
diff --git a/block/crypto.c b/block/crypto.c index 33ee01bebd..f0a5f6b987 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -229,6 +229,7 @@ static int block_crypto_open_generic(QCryptoBlockFormat format, block_crypto_read_func, bs, cflags, + 1, errp); if (!crypto->block) { diff --git a/block/qcow.c b/block/qcow.c index 4518cb4c35..0a235bf393 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -213,7 +213,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, cflags |= QCRYPTO_BLOCK_OPEN_NO_IO; } s->crypto = qcrypto_block_open(crypto_opts, "encrypt.", - NULL, NULL, cflags, errp); + NULL, NULL, cflags, 1, errp); if (!s->crypto) { ret = -EINVAL; goto fail; diff --git a/block/qcow2.c b/block/qcow2.c index 991d6ac91b..bc8868c36a 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -294,7 +294,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, } s->crypto = qcrypto_block_open(s->crypto_opts, "encrypt.", qcow2_crypto_hdr_read_func, - bs, cflags, errp); + bs, cflags, 1, errp); if (!s->crypto) { return -EINVAL; } @@ -1445,7 +1445,7 @@ static int coroutine_fn qcow2_do_open(BlockDriverState *bs, QDict *options, cflags |= QCRYPTO_BLOCK_OPEN_NO_IO; } s->crypto = qcrypto_block_open(s->crypto_opts, "encrypt.", - NULL, NULL, cflags, errp); + NULL, NULL, cflags, 1, errp); if (!s->crypto) { ret = -EINVAL; goto fail; |