提交 d6498be1 编写于 作者: P Peter Krempa

qemu: capabilities: Introduce QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY

The capability is based on qemu's support of using blockdev-snapshot to
install backing chain also for images which are in use by a block-copy
job.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
上级 c2b6bc73
...@@ -565,6 +565,7 @@ VIR_ENUM_IMPL(virQEMUCaps, ...@@ -565,6 +565,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
/* 355 */ /* 355 */
"vhost-user-fs", "vhost-user-fs",
"query-named-block-nodes.flat", "query-named-block-nodes.flat",
"blockdev-snapshot.allow-write-only-overlay",
); );
...@@ -1441,6 +1442,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = { ...@@ -1441,6 +1442,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
{ "human-monitor-command/$savevm-monitor-nodes", QEMU_CAPS_SAVEVM_MONITOR_NODES }, { "human-monitor-command/$savevm-monitor-nodes", QEMU_CAPS_SAVEVM_MONITOR_NODES },
{ "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME }, { "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME },
{ "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT }, { "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT },
{ "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },
}; };
typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps; typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps;
......
...@@ -546,6 +546,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */ ...@@ -546,6 +546,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
/* 355 */ /* 355 */
QEMU_CAPS_DEVICE_VHOST_USER_FS, /* -device vhost-user-fs */ QEMU_CAPS_DEVICE_VHOST_USER_FS, /* -device vhost-user-fs */
QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT, /* query-named-block-nodes supports the 'flat' option */ QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT, /* query-named-block-nodes supports the 'flat' option */
QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY, /* blockdev-snapshot has the 'allow-write-only-overlay' feature */
QEMU_CAPS_LAST /* this must always be the last item */ QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags; } virQEMUCapsFlags;
......
...@@ -225,6 +225,7 @@ ...@@ -225,6 +225,7 @@
<flag name='virtio-net.failover'/> <flag name='virtio-net.failover'/>
<flag name='vhost-user-fs'/> <flag name='vhost-user-fs'/>
<flag name='query-named-block-nodes.flat'/> <flag name='query-named-block-nodes.flat'/>
<flag name='blockdev-snapshot.allow-write-only-overlay'/>
<version>4002050</version> <version>4002050</version>
<kvmVersion>0</kvmVersion> <kvmVersion>0</kvmVersion>
<microcodeVersion>43100241</microcodeVersion> <microcodeVersion>43100241</microcodeVersion>
......
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