Add convertor for creating qemuBlockStorageSourceAttachData which will
allow reusing the infrastructure which we have for attaching disks also
for hostdevs.
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
src/qemu/qemu_command.c | 83 +++++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_command.h | 8 ++++
2 files changed, 91 insertions(+)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 200decd6e0..6b3b1b39ca 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5062,6 +5062,89 @@ qemuBuildHostdevMediatedDevStr(const virDomainDef *def,
}
+qemuBlockStorageSourceAttachData *
+qemuBuildHostdevSCSIDetachPrepare(virDomainHostdevDefPtr hostdev,
+ virQEMUCapsPtr qemuCaps)
+{
+ virDomainHostdevSubsysSCSIPtr scsisrc = &hostdev->source.subsys.u.scsi;
+ virDomainHostdevSubsysSCSIiSCSIPtr iscsisrc = &scsisrc->u.iscsi;
+ g_autoptr(qemuBlockStorageSourceAttachData) ret = g_new0(qemuBlockStorageSourceAttachData, 1);
+
+ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV_HOSTDEV_SCSI)) {
+ if (scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI) {
+ qemuDomainStorageSourcePrivatePtr srcpriv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(iscsisrc->src);
+
+ ret->storageNodeName = iscsisrc->src->nodestorage;
+
+ if (srcpriv && srcpriv->secinfo &&
+ srcpriv->secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_AES)
+ ret->authsecretAlias = g_strdup(srcpriv->secinfo->s.aes.alias);
+ } else {
+ ret->storageNodeNameCopy = g_strdup_printf("libvirt-%s-backend", hostdev->info->alias);
+ ret->storageNodeName = ret->storageNodeNameCopy;
+ }
+
+ ret->storageAttached = true;
+ } else {
+ ret->driveAlias = qemuAliasFromHostdev(hostdev);
+ ret->driveAdded = true;
+ }
+
+ return g_steal_pointer(&ret);
+}
+
+
+qemuBlockStorageSourceAttachData *
+qemuBuildHostdevSCSIAttachPrepare(virDomainHostdevDefPtr hostdev,
+ const char **backendAlias,
+ virQEMUCapsPtr qemuCaps)
+{
+ virDomainHostdevSubsysSCSIPtr scsisrc = &hostdev->source.subsys.u.scsi;
+ virDomainHostdevSubsysSCSIiSCSIPtr iscsisrc = &scsisrc->u.iscsi;
+ virStorageSourcePtr src;
+ g_autoptr(virStorageSource) localsrc = NULL;
+ g_autoptr(qemuBlockStorageSourceAttachData) ret = g_new0(qemuBlockStorageSourceAttachData, 1);
+
+ if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV_HOSTDEV_SCSI)) {
+ if (scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI) {
+ src = iscsisrc->src;
+ } else {
+ g_autofree char *devstr = qemuBuildSCSIHostHostdevDrvStr(hostdev);
+
+ if (!devstr)
+ return NULL;
+
+ if (!(src = localsrc = virStorageSourceNew()))
+ return NULL;
+
+ src->type = VIR_STORAGE_TYPE_BLOCK;
+ src->readonly = hostdev->readonly;
+ src->path = g_strdup_printf("/dev/%s", devstr);
+ }
+
+ src->nodestorage = g_strdup_printf("libvirt-%s-backend", hostdev->info->alias);
+ ret->storageNodeNameCopy = g_strdup(src->nodestorage);
+ ret->storageNodeName = ret->storageNodeNameCopy;
+ *backendAlias = ret->storageNodeNameCopy;
+
+ if (!(ret->storageProps = qemuBlockStorageSourceGetBackendProps(src,
+ QEMU_BLOCK_STORAGE_SOURCE_BACKEND_PROPS_SKIP_UNMAP)))
+ return NULL;
+
+ } else {
+ ret->driveCmd = qemuBuildSCSIHostdevDrvStr(hostdev, qemuCaps);
+ ret->driveAlias = qemuAliasFromHostdev(hostdev);
+ *backendAlias = ret->driveAlias;
+ }
+
+ if (scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI &&
+ qemuBuildStorageSourceAttachPrepareCommon(iscsisrc->src, ret, qemuCaps) < 0)
+ return NULL;
+
+ return g_steal_pointer(&ret);
+}
+
+
static int
qemuBuildHostdevSCSICommandLine(virCommandPtr cmd,
const virDomainDef *def,
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index d0de27d9b0..a43cdb2733 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -182,6 +182,14 @@ char *qemuBuildSCSIHostdevDevStr(const virDomainDef *def,
virDomainHostdevDefPtr dev,
const char *backendAlias);
+qemuBlockStorageSourceAttachData *
+qemuBuildHostdevSCSIAttachPrepare(virDomainHostdevDefPtr hostdev,
+ const char **backendAlias,
+ virQEMUCapsPtr qemuCaps);
+qemuBlockStorageSourceAttachData *
+qemuBuildHostdevSCSIDetachPrepare(virDomainHostdevDefPtr hostdev,
+ virQEMUCapsPtr qemuCaps);
+
char *
qemuBuildSCSIVHostHostdevDevStr(const virDomainDef *def,
virDomainHostdevDefPtr dev,
--
2.26.2
