improve virHostdevUpdate* parameters to make it more widely used

Changes parameter from vm def to specific hostdevs info and name info, so that
it could be used more widely, e.g, could be used without full vm def info.

src/qemu/qemu_hostdev.c

@@ -50,7 +50,8 @@ qemuUpdateActivePCIHostdevs(virQEMUDriverPtr driver,
     if (!def->nhostdevs)
         return 0;
 
-    return virHostdevUpdateActivePCIDevices(mgr, QEMU_DRIVER_NAME, def);
+    return virHostdevUpdateActivePCIDevices(mgr, def->hostdevs, def->nhostdevs,
+                                            QEMU_DRIVER_NAME, def->name);
 }
 
 int
@@ -62,7 +63,8 @@ qemuUpdateActiveUSBHostdevs(virQEMUDriverPtr driver,
     if (!def->nhostdevs)
         return 0;
 
-    return virHostdevUpdateActiveUSBDevices(mgr, QEMU_DRIVER_NAME, def);
+    return virHostdevUpdateActiveUSBDevices(mgr, def->hostdevs, def->nhostdevs,
+                                            QEMU_DRIVER_NAME, def->name);
 }
 
 int
@@ -74,7 +76,8 @@ qemuUpdateActiveSCSIHostdevs(virQEMUDriverPtr driver,
     if (!def->nhostdevs)
         return 0;
 
-    return virHostdevUpdateActiveSCSIDevices(mgr, QEMU_DRIVER_NAME, def);
+    return virHostdevUpdateActiveSCSIDevices(mgr, def->hostdevs, def->nhostdevs,
+                                             QEMU_DRIVER_NAME, def->name);
 }
 
 

src/util/virhostdev.c

@@ -776,8 +776,10 @@ cleanup:
 
 int
 virHostdevUpdateActivePCIDevices(virHostdevManagerPtr mgr,
+                                 virDomainHostdevDefPtr *hostdevs,
+                                 int nhostdevs,
                                  const char *drv_name,
-                                 virDomainDefPtr def)
+                                 const char *dom_name)
 {
     virDomainHostdevDefPtr hostdev = NULL;
     virPCIDevicePtr dev = NULL;
@@ -787,8 +789,8 @@ virHostdevUpdateActivePCIDevices(virHostdevManagerPtr mgr,
     virObjectLock(mgr->activePCIHostdevs);
     virObjectLock(mgr->inactivePCIHostdevs);
 
-    for (i = 0; i < def->nhostdevs; i++) {
-        hostdev = def->hostdevs[i];
+    for (i = 0; i < nhostdevs; i++) {
+        hostdev = hostdevs[i];
 
         if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
             continue;
@@ -813,7 +815,7 @@ virHostdevUpdateActivePCIDevices(virHostdevManagerPtr mgr,
                 goto cleanup;
 
         }
-        virPCIDeviceSetUsedBy(dev, drv_name, def->name);
+        virPCIDeviceSetUsedBy(dev, drv_name, dom_name);
 
         /* Setup the original states for the PCI device */
         virPCIDeviceSetUnbindFromStub(dev, hostdev->origstates.states.pci.unbind_from_stub);
@@ -835,17 +837,19 @@ cleanup:
 
 int
 virHostdevUpdateActiveUSBDevices(virHostdevManagerPtr mgr,
+                                 virDomainHostdevDefPtr *hostdevs,
+                                 int nhostdevs,
                                  const char *drv_name,
-                                 virDomainDefPtr def)
+                                 const char *dom_name)
 {
     virDomainHostdevDefPtr hostdev = NULL;
     size_t i;
     int ret = -1;
 
     virObjectLock(mgr->activeUSBHostdevs);
-    for (i = 0; i < def->nhostdevs; i++) {
+    for (i = 0; i < nhostdevs; i++) {
         virUSBDevicePtr usb = NULL;
-        hostdev = def->hostdevs[i];
+        hostdev = hostdevs[i];
 
         if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
             continue;
@@ -859,11 +863,11 @@ virHostdevUpdateActiveUSBDevices(virHostdevManagerPtr mgr,
             VIR_WARN("Unable to reattach USB device %03d.%03d on domain %s",
                      hostdev->source.subsys.u.usb.bus,
                      hostdev->source.subsys.u.usb.device,
-                     def->name);
+                     dom_name);
             continue;
         }
 
-        virUSBDeviceSetUsedBy(usb, drv_name, def->name);
+        virUSBDeviceSetUsedBy(usb, drv_name, dom_name);
 
         if (virUSBDeviceListAdd(mgr->activeUSBHostdevs, usb) < 0) {
             virUSBDeviceFree(usb);
@@ -878,8 +882,10 @@ cleanup:
 
 int
 virHostdevUpdateActiveSCSIDevices(virHostdevManagerPtr mgr,
+                                  virDomainHostdevDefPtr *hostdevs,
+                                  int nhostdevs,
                                   const char *drv_name,
-                                  virDomainDefPtr def)
+                                  const char *dom_name)
 {
     virDomainHostdevDefPtr hostdev = NULL;
     size_t i;
@@ -888,8 +894,8 @@ virHostdevUpdateActiveSCSIDevices(virHostdevManagerPtr mgr,
     virSCSIDevicePtr tmp = NULL;
 
     virObjectLock(mgr->activeSCSIHostdevs);
-    for (i = 0; i < def->nhostdevs; i++) {
-        hostdev = def->hostdevs[i];
+    for (i = 0; i < nhostdevs; i++) {
+        hostdev = hostdevs[i];
 
         if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
             hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)
@@ -905,13 +911,13 @@ virHostdevUpdateActiveSCSIDevices(virHostdevManagerPtr mgr,
             goto cleanup;
 
         if ((tmp = virSCSIDeviceListFind(mgr->activeSCSIHostdevs, scsi))) {
-            if (virSCSIDeviceSetUsedBy(tmp, drv_name, def->name) < 0) {
+            if (virSCSIDeviceSetUsedBy(tmp, drv_name, dom_name) < 0) {
                 virSCSIDeviceFree(scsi);
                 goto cleanup;
             }
             virSCSIDeviceFree(scsi);
         } else {
-            if (virSCSIDeviceSetUsedBy(scsi, drv_name, def->name) < 0 ||
+            if (virSCSIDeviceSetUsedBy(scsi, drv_name, dom_name) < 0 ||
                 virSCSIDeviceListAdd(mgr->activeSCSIHostdevs, scsi) < 0) {
                 virSCSIDeviceFree(scsi);
                 goto cleanup;

src/util/virhostdev.h

@@ -92,16 +92,22 @@ virHostdevReAttachSCSIDevices(virHostdevManagerPtr hostdev_mgr,
                               int nhostdevs);
 int
 virHostdevUpdateActivePCIDevices(virHostdevManagerPtr mgr,
+                                 virDomainHostdevDefPtr *hostdevs,
+                                 int nhostdevs,
                                  const char *drv_name,
-                                 virDomainDefPtr def);
+                                 const char *dom_name);
 int
 virHostdevUpdateActiveUSBDevices(virHostdevManagerPtr mgr,
+                                 virDomainHostdevDefPtr *hostdevs,
+                                 int nhostdevs,
                                  const char *drv_name,
-                                 virDomainDefPtr def);
+                                 const char *dom_name);
 int
 virHostdevUpdateActiveSCSIDevices(virHostdevManagerPtr mgr,
+                                  virDomainHostdevDefPtr *hostdevs,
+                                  int nhostdevs,
                                   const char *drv_name,
-                                  virDomainDefPtr def);
+                                  const char *dom_name);
 
 /* functions used by NodeDevDetach/Reattach/Reset */
 int virHostdevPCINodeDeviceDetach(virHostdevManagerPtr mgr,