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authorMaxim Levitsky <mlevitsk@redhat.com>2020-06-25 14:55:36 +0200
committerMax Reitz <mreitz@redhat.com>2020-07-06 08:49:28 +0200
commit43cbd06df2dcdfe236e68351bb3c350e0d1d857a (patch)
tree64c4ab0ba1a95b19aca9f952f1e29fcd02da0cb5 /include/crypto
parentd2a839ede850bbb23493ac03b1c2477026fe6bc7 (diff)
qcrypto/core: add generic infrastructure for crypto options amendment
This will be used first to implement luks keyslot management. block_crypto_amend_opts_init will be used to convert qemu-img cmdline to QCryptoBlockAmendOptions Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20200608094030.670121-2-mlevitsk@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/block.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/crypto/block.h b/include/crypto/block.h
index c77ccaf9c0..d274819791 100644
--- a/include/crypto/block.h
+++ b/include/crypto/block.h
@@ -144,6 +144,28 @@ QCryptoBlock *qcrypto_block_create(QCryptoBlockCreateOptions *options,
void *opaque,
Error **errp);
+/**
+ * qcrypto_block_amend_options:
+ * @block: the block encryption object
+ *
+ * @readfunc: callback for reading data from the volume header
+ * @writefunc: callback for writing data to the volume header
+ * @opaque: data to pass to @readfunc and @writefunc
+ * @options: the new/amended encryption options
+ * @force: hint for the driver to allow unsafe operation
+ * @errp: error pointer
+ *
+ * Changes the crypto options of the encryption format
+ *
+ */
+int qcrypto_block_amend_options(QCryptoBlock *block,
+ QCryptoBlockReadFunc readfunc,
+ QCryptoBlockWriteFunc writefunc,
+ void *opaque,
+ QCryptoBlockAmendOptions *options,
+ bool force,
+ Error **errp);
+
/**
* qcrypto_block_calculate_payload_offset: