[PATCH v2 3/3] qemu: Setup host side of VDPA device for block copy
Setup the VDPA bits of the appropriate part of the image chain for block
copy.
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
src/qemu/qemu_block.c | 4 ++++
src/qemu/qemu_driver.c | 12 ++++++++++++
2 files changed, 16 insertions(+)
diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
index 41038fb994..42c12a5e9b 100644
--- a/src/qemu/qemu_block.c
+++ b/src/qemu/qemu_block.c
@@ -23,6 +23,7 @@
#include "qemu_domain.h"
#include "qemu_alias.h"
#include "qemu_security.h"
+#include "qemu_process.h"
#include "storage_source.h"
#include "viralloc.h"
@@ -3675,6 +3676,9 @@ qemuBlockPivot(virDomainObj *vm,
virQEMUCapsGet(priv->qemuCaps,
QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY) &&
virStorageSourceHasBacking(disk->mirror)) {
+ if (qemuProcessPrepareHostStorageSourceChain(vm,
disk->mirror->backingStore) < 0)
+ return -1;
+
if (!(chainattachdata =
qemuBuildStorageSourceChainAttachPrepareBlockdev(disk->mirror->backingStore)))
return -1;
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 86da8da777..d00d2a27c6 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -14290,10 +14290,16 @@ qemuDomainBlockCopyCommon(virDomainObj *vm,
if (virQEMUCapsGet(priv->qemuCaps,
QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY)) {
g_autoptr(virStorageSource) terminator = virStorageSourceNew();
+ if (qemuProcessPrepareHostStorageSource(vm, mirror) < 0)
+ goto endjob;
+
if (!(data = qemuBuildStorageSourceChainAttachPrepareBlockdevTop(mirror,
terminator)))
goto endjob;
} else {
+ if (qemuProcessPrepareHostStorageSourceChain(vm, mirror) < 0)
+ goto endjob;
+
if (!(data = qemuBuildStorageSourceChainAttachPrepareBlockdev(mirror)))
goto endjob;
}
@@ -14308,6 +14314,9 @@ qemuDomainBlockCopyCommon(virDomainObj *vm,
if (mirror_shallow) {
/* if external backing store is populated we'll need to open it */
if (virStorageSourceHasBacking(mirror)) {
+ if (qemuProcessPrepareHostStorageSourceChain(vm, mirror->backingStore)
< 0)
+ goto endjob;
+
if (!(data =
qemuBuildStorageSourceChainAttachPrepareBlockdev(mirror->backingStore)))
goto endjob;
@@ -14321,6 +14330,9 @@ qemuDomainBlockCopyCommon(virDomainObj *vm,
mirrorBacking = mirror->backingStore;
}
+ if (qemuProcessPrepareHostStorageSource(vm, mirror) < 0)
+ goto endjob;
+
if (!(crdata = qemuBuildStorageSourceChainAttachPrepareBlockdevTop(mirror,
mirrorBacking)))
goto endjob;
--
2.41.0