[libvirt] [PATCH v2 7/9] qemu: Introduce qemuAssignSCSIHostDeviceDriveAlias

[John Ferlan]

Introduce a common API to generate the alias for a SCSI Host device

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_alias.c | 18 ++++++++++++++++++
 src/qemu/qemu_alias.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/qemu/qemu_alias.c b/src/qemu/qemu_alias.c
index d80537b..d8365ea 100644
--- a/src/qemu/qemu_alias.c
+++ b/src/qemu/qemu_alias.c
@@ -190,6 +190,24 @@ qemuAssignDeviceDiskDriveAlias(const char *srcalias)
 }
 
 
+/* qemuAssignSCSIHostDeviceDriveAlias(const char *srcalias)
+ * @hostdev: Pointer to host device
+ *
+ * Generate and return a string containing a drive alias
+ */
+char *
+qemuAssignSCSIHostDeviceDriveAlias(virDomainHostdevDefPtr hostdev)
+{
+    char *ret;
+
+    if (virAsprintf(&ret, "%s-%s",
+                    virDomainDeviceAddressTypeToString(hostdev->info->type),
+                    hostdev->info->alias) < 0)
+        return NULL;
+    return ret;
+}
+
+
 /* qemuAliasDeviceDiskDriveSkipPrefix:
  * @dev_name: Pointer to a const char string
  *
diff --git a/src/qemu/qemu_alias.h b/src/qemu/qemu_alias.h
index b2acea5..d5d6fb5 100644
--- a/src/qemu/qemu_alias.h
+++ b/src/qemu/qemu_alias.h
@@ -40,6 +40,8 @@ int qemuAssignDeviceControllerAlias(virDomainDefPtr domainDef,
 
 char *qemuAssignDeviceDiskDriveAlias(const char *srcalias);
 
+char *qemuAssignSCSIHostDeviceDriveAlias(virDomainHostdevDefPtr hostdev);
+
 const char *qemuAliasDeviceDiskDriveSkipPrefix(const char *dev_name);
 
 int qemuAssignDeviceDiskAlias(virDomainDefPtr vmdef,
-- 
2.5.5