diff options
| -rw-r--r-- | block/qcow2.c | 32 | ||||
| -rw-r--r-- | qapi/block-core.json | 27 |
2 files changed, 57 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index f597fd0..5339aa0 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3241,8 +3241,14 @@ static int qcow2_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs) { BDRVQcow2State *s = bs->opaque; - ImageInfoSpecific *spec_info = g_new(ImageInfoSpecific, 1); + ImageInfoSpecific *spec_info; + QCryptoBlockInfo *encrypt_info = NULL; + if (s->crypto != NULL) { + encrypt_info = qcrypto_block_get_info(s->crypto, &error_abort); + } + + spec_info = g_new(ImageInfoSpecific, 1); *spec_info = (ImageInfoSpecific){ .type = IMAGE_INFO_SPECIFIC_KIND_QCOW2, .u.qcow2.data = g_new(ImageInfoSpecificQCow2, 1), @@ -3269,6 +3275,30 @@ static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs) assert(false); } + if (encrypt_info) { + ImageInfoSpecificQCow2Encryption *qencrypt = + g_new(ImageInfoSpecificQCow2Encryption, 1); + switch (encrypt_info->format) { + case Q_CRYPTO_BLOCK_FORMAT_QCOW: + qencrypt->format = BLOCKDEV_QCOW2_ENCRYPTION_FORMAT_AES; + qencrypt->u.aes = encrypt_info->u.qcow; + break; + case Q_CRYPTO_BLOCK_FORMAT_LUKS: + qencrypt->format = BLOCKDEV_QCOW2_ENCRYPTION_FORMAT_LUKS; + qencrypt->u.luks = encrypt_info->u.luks; + break; + default: + abort(); + } + /* Since we did shallow copy above, erase any pointers + * in the original info */ + memset(&encrypt_info->u, 0, sizeof(encrypt_info->u)); + qapi_free_QCryptoBlockInfo(encrypt_info); + + spec_info->u.qcow2.data->has_encrypt = true; + spec_info->u.qcow2.data->encrypt = qencrypt; + } + return spec_info; } diff --git a/qapi/block-core.json b/qapi/block-core.json index d04d277..9570963 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -33,6 +33,27 @@ 'vm-clock-sec': 'int', 'vm-clock-nsec': 'int' } } ## +# @ImageInfoSpecificQCow2EncryptionBase: +# +# @format: The encryption format +# +# Since: 2.10 +## +{ 'struct': 'ImageInfoSpecificQCow2EncryptionBase', + 'data': { 'format': 'BlockdevQcow2EncryptionFormat'}} + +## +# @ImageInfoSpecificQCow2Encryption: +# +# Since: 2.10 +## +{ 'union': 'ImageInfoSpecificQCow2Encryption', + 'base': 'ImageInfoSpecificQCow2EncryptionBase', + 'discriminator': 'format', + 'data': { 'aes': 'QCryptoBlockInfoQCow', + 'luks': 'QCryptoBlockInfoLUKS' } } + +## # @ImageInfoSpecificQCow2: # # @compat: compatibility level @@ -44,6 +65,9 @@ # # @refcount-bits: width of a refcount entry in bits (since 2.3) # +# @encrypt: details about encryption parameters; only set if image +# is encrypted (since 2.10) +# # Since: 1.7 ## { 'struct': 'ImageInfoSpecificQCow2', @@ -51,7 +75,8 @@ 'compat': 'str', '*lazy-refcounts': 'bool', '*corrupt': 'bool', - 'refcount-bits': 'int' + 'refcount-bits': 'int', + '*encrypt': 'ImageInfoSpecificQCow2Encryption' } } ## |