[PATCH v2 1/7] qemu: capabilities: Introduce QEMU_CAPS_RBD_ENCRYPTION_LAYERING capability

[Or Ozeri]

This capability represents that qemu supports the layered encryption
of RBD images, where a cloned image is encrypted with a possible
different encryption than its parent image.

Signed-off-by: Or Ozeri <o...@il.ibm.com>
---
 src/qemu/qemu_capabilities.c                     | 2 ++
 src/qemu/qemu_capabilities.h                     | 1 +
 tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 218e6c09a4..c03ad714fa 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -691,6 +691,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               /* 445 */
               "netdev.stream.reconnect", /* QEMU_CAPS_NETDEV_STREAM_RECONNECT 
*/
               "virtio-gpu.blob", /* QEMU_CAPS_VIRTIO_GPU_BLOB */
+              "rbd-encryption-layering", /* QEMU_CAPS_RBD_ENCRYPTION_LAYERING 
*/
     );
 
 
@@ -1556,6 +1557,7 @@ static struct virQEMUCapsStringFlags 
virQEMUCapsQMPSchemaQueries[] = {
     { "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME },
     { "blockdev-add/arg-type/+file/aio/^io_uring", QEMU_CAPS_AIO_IO_URING },
     { "blockdev-add/arg-type/+rbd/encrypt", QEMU_CAPS_RBD_ENCRYPTION },
+    { "blockdev-add/arg-type/+rbd/encrypt/parent", 
QEMU_CAPS_RBD_ENCRYPTION_LAYERING },
     { "blockdev-add/arg-type/+nbd/tls-hostname", 
QEMU_CAPS_BLOCKDEV_NBD_TLS_HOSTNAME },
     { "blockdev-snapshot/$allow-write-only-overlay", 
QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },
     { "chardev-add/arg-type/backend/+socket/data/reconnect", 
QEMU_CAPS_CHARDEV_RECONNECT },
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 21f23cff96..2d2c5f8eaf 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -670,6 +670,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for 
syntax-check */
     /* 445 */
     QEMU_CAPS_NETDEV_STREAM_RECONNECT, /* -netdev stream supports reconnect */
     QEMU_CAPS_VIRTIO_GPU_BLOB, /* -device virtio-gpu-*.blob= */
+    QEMU_CAPS_RBD_ENCRYPTION_LAYERING, /* layered encryption support for Ceph 
RBD */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml 
b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
index ee35ed2258..d120f5dc3c 100644
--- a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
@@ -204,6 +204,7 @@
   <flag name='pvpanic-pci'/>
   <flag name='netdev.stream.reconnect'/>
   <flag name='virtio-gpu.blob'/>
+  <flag name='rbd-encryption-layering'/>
   <version>7002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100244</microcodeVersion>
-- 
2.25.1