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[libvirt] [PATCH 2/3] Make QEMU hotplug use cached qemu capabilities data



* src/qemu/qemu_hotplug.h, src/qemu/qemu_hotplug.c: Remove
  qemuCaps parameters from all methods
* src/qemu/qemu_driver.c: Don't create & pass qemuCaps to
  hotplug methods
---
 src/qemu/qemu_driver.c  |   71 +++++++-----------
 src/qemu/qemu_hotplug.c |  185 +++++++++++++++++++++--------------------------
 src/qemu/qemu_hotplug.h |   46 ++++--------
 3 files changed, 127 insertions(+), 175 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 0919503..b214e44 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -3791,8 +3791,7 @@ cleanup:
 static int
 qemuDomainAttachDeviceDiskLive(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps)
+                               virDomainDeviceDefPtr dev)
 {
     virDomainDiskDefPtr disk = dev->data.disk;
     virCgroupPtr cgroup = NULL;
@@ -3818,16 +3817,16 @@ qemuDomainAttachDeviceDiskLive(struct qemud_driver *driver,
     switch (disk->device)  {
     case VIR_DOMAIN_DISK_DEVICE_CDROM:
     case VIR_DOMAIN_DISK_DEVICE_FLOPPY:
-        ret = qemuDomainChangeEjectableMedia(driver, vm, disk, qemuCaps, false);
+        ret = qemuDomainChangeEjectableMedia(driver, vm, disk, false);
         break;
     case VIR_DOMAIN_DISK_DEVICE_DISK:
         if (disk->bus == VIR_DOMAIN_DISK_BUS_USB)
             ret = qemuDomainAttachUsbMassstorageDevice(driver, vm,
-                                                       disk, qemuCaps);
+                                                       disk);
         else if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
-            ret = qemuDomainAttachPciDiskDevice(driver, vm, disk, qemuCaps);
+            ret = qemuDomainAttachPciDiskDevice(driver, vm, disk);
         else if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI)
-            ret = qemuDomainAttachSCSIDisk(driver, vm, disk, qemuCaps);
+            ret = qemuDomainAttachSCSIDisk(driver, vm, disk);
         else
             qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                             _("disk bus '%s' cannot be hotplugged."),
@@ -3854,15 +3853,14 @@ end:
 static int
 qemuDomainAttachDeviceControllerLive(struct qemud_driver *driver,
                                      virDomainObjPtr vm,
-                                     virDomainDeviceDefPtr dev,
-                                     virBitmapPtr qemuCaps)
+                                     virDomainDeviceDefPtr dev)
 {
     virDomainControllerDefPtr cont = dev->data.controller;
     int ret = -1;
 
     switch (cont->type) {
     case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
-        ret = qemuDomainAttachPciControllerDevice(driver, vm, cont, qemuCaps);
+        ret = qemuDomainAttachPciControllerDevice(driver, vm, cont);
         break;
     default:
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -3876,35 +3874,34 @@ qemuDomainAttachDeviceControllerLive(struct qemud_driver *driver,
 static int
 qemuDomainAttachDeviceLive(virDomainObjPtr vm,
                            virDomainDeviceDefPtr dev,
-                           virDomainPtr dom,
-                           virBitmapPtr qemuCaps)
+                           virDomainPtr dom)
 {
     struct qemud_driver *driver = dom->conn->privateData;
     int ret = -1;
 
     switch (dev->type) {
     case VIR_DOMAIN_DEVICE_DISK:
-        ret = qemuDomainAttachDeviceDiskLive(driver, vm, dev, qemuCaps);
+        ret = qemuDomainAttachDeviceDiskLive(driver, vm, dev);
         if (!ret)
             dev->data.disk = NULL;
         break;
 
     case VIR_DOMAIN_DEVICE_CONTROLLER:
-        ret = qemuDomainAttachDeviceControllerLive(driver, vm, dev, qemuCaps);
+        ret = qemuDomainAttachDeviceControllerLive(driver, vm, dev);
         if (!ret)
             dev->data.controller = NULL;
         break;
 
     case VIR_DOMAIN_DEVICE_NET:
         ret = qemuDomainAttachNetDevice(dom->conn, driver, vm,
-                                        dev->data.net, qemuCaps);
+                                        dev->data.net);
         if (!ret)
             dev->data.net = NULL;
         break;
 
     case VIR_DOMAIN_DEVICE_HOSTDEV:
         ret = qemuDomainAttachHostDevice(driver, vm,
-                                         dev->data.hostdev, qemuCaps);
+                                         dev->data.hostdev);
         if (!ret)
             dev->data.hostdev = NULL;
         break;
@@ -3922,8 +3919,7 @@ qemuDomainAttachDeviceLive(virDomainObjPtr vm,
 static int
 qemuDomainDetachDeviceDiskLive(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps)
+                               virDomainDeviceDefPtr dev)
 {
     virDomainDiskDefPtr disk = dev->data.disk;
     int ret = -1;
@@ -3931,11 +3927,11 @@ qemuDomainDetachDeviceDiskLive(struct qemud_driver *driver,
     switch (disk->device) {
     case VIR_DOMAIN_DISK_DEVICE_DISK:
         if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
-            ret = qemuDomainDetachPciDiskDevice(driver, vm, dev, qemuCaps);
+            ret = qemuDomainDetachPciDiskDevice(driver, vm, dev);
         else if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI)
-            ret =  qemuDomainDetachDiskDevice(driver, vm, dev, qemuCaps);
+            ret =  qemuDomainDetachDiskDevice(driver, vm, dev);
         else if (dev->data.disk->bus == VIR_DOMAIN_DISK_BUS_USB)
-            ret = qemuDomainDetachDiskDevice(driver, vm, dev, qemuCaps);
+            ret = qemuDomainDetachDiskDevice(driver, vm, dev);
         else
             qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                             _("This type of disk cannot be hot unplugged"));
@@ -3952,15 +3948,14 @@ qemuDomainDetachDeviceDiskLive(struct qemud_driver *driver,
 static int
 qemuDomainDetachDeviceControllerLive(struct qemud_driver *driver,
                                      virDomainObjPtr vm,
-                                     virDomainDeviceDefPtr dev,
-                                     virBitmapPtr qemuCaps)
+                                     virDomainDeviceDefPtr dev)
 {
     virDomainControllerDefPtr cont = dev->data.controller;
     int ret = -1;
 
     switch (cont->type) {
     case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
-        ret = qemuDomainDetachPciControllerDevice(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachPciControllerDevice(driver, vm, dev);
         break;
     default :
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -3973,24 +3968,23 @@ qemuDomainDetachDeviceControllerLive(struct qemud_driver *driver,
 static int
 qemuDomainDetachDeviceLive(virDomainObjPtr vm,
                            virDomainDeviceDefPtr dev,
-                           virDomainPtr dom,
-                           virBitmapPtr qemuCaps)
+                           virDomainPtr dom)
 {
     struct qemud_driver *driver = dom->conn->privateData;
     int ret = -1;
 
     switch (dev->type) {
     case VIR_DOMAIN_DEVICE_DISK:
-        ret = qemuDomainDetachDeviceDiskLive(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachDeviceDiskLive(driver, vm, dev);
         break;
     case VIR_DOMAIN_DEVICE_CONTROLLER:
-        ret = qemuDomainDetachDeviceControllerLive(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachDeviceControllerLive(driver, vm, dev);
         break;
     case VIR_DOMAIN_DEVICE_NET:
-        ret = qemuDomainDetachNetDevice(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachNetDevice(driver, vm, dev);
         break;
     case VIR_DOMAIN_DEVICE_HOSTDEV:
-        ret = qemuDomainDetachHostDevice(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachHostDevice(driver, vm, dev);
         break;
     default:
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -4005,7 +3999,6 @@ static int
 qemuDomainChangeDiskMediaLive(virDomainObjPtr vm,
                               virDomainDeviceDefPtr dev,
                               struct qemud_driver *driver,
-                              virBitmapPtr qemuCaps,
                               bool force)
 {
     virDomainDiskDefPtr disk = dev->data.disk;
@@ -4027,7 +4020,7 @@ qemuDomainChangeDiskMediaLive(virDomainObjPtr vm,
     switch (disk->device) {
     case VIR_DOMAIN_DISK_DEVICE_CDROM:
     case VIR_DOMAIN_DISK_DEVICE_FLOPPY:
-        ret = qemuDomainChangeEjectableMedia(driver, vm, disk, qemuCaps, force);
+        ret = qemuDomainChangeEjectableMedia(driver, vm, disk, force);
         if (ret == 0)
             dev->data.disk = NULL;
         break;
@@ -4053,7 +4046,6 @@ static int
 qemuDomainUpdateDeviceLive(virDomainObjPtr vm,
                            virDomainDeviceDefPtr dev,
                            virDomainPtr dom,
-                           virBitmapPtr qemuCaps,
                            bool force)
 {
     struct qemud_driver *driver = dom->conn->privateData;
@@ -4061,7 +4053,7 @@ qemuDomainUpdateDeviceLive(virDomainObjPtr vm,
 
     switch (dev->type) {
     case VIR_DOMAIN_DEVICE_DISK:
-        ret = qemuDomainChangeDiskMediaLive(vm, dev, driver, qemuCaps, force);
+        ret = qemuDomainChangeDiskMediaLive(vm, dev, driver, force);
         break;
     case VIR_DOMAIN_DEVICE_GRAPHICS:
         ret = qemuDomainChangeGraphics(driver, vm, dev->data.graphics);
@@ -4199,7 +4191,6 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
                             unsigned int flags, int action)
 {
     struct qemud_driver *driver = dom->conn->privateData;
-    virBitmapPtr qemuCaps = NULL;
     virDomainObjPtr vm = NULL;
     virDomainDefPtr vmdef = NULL;
     virDomainDeviceDefPtr dev = NULL;
@@ -4250,11 +4241,6 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
     if (dev == NULL)
         goto endjob;
 
-    if (qemuCapsExtractVersionInfo(vm->def->emulator, vm->def->os.arch,
-                                   NULL,
-                                   &qemuCaps) < 0)
-        goto endjob;
-
     if (flags & VIR_DOMAIN_DEVICE_MODIFY_CONFIG) {
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(driver->caps, vm);
@@ -4281,13 +4267,13 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
     if (!ret && (flags & VIR_DOMAIN_DEVICE_MODIFY_LIVE)) {
         switch (action) {
         case QEMU_DEVICE_ATTACH:
-            ret = qemuDomainAttachDeviceLive(vm, dev, dom, qemuCaps);
+            ret = qemuDomainAttachDeviceLive(vm, dev, dom);
             break;
         case QEMU_DEVICE_DETACH:
-            ret = qemuDomainDetachDeviceLive(vm, dev, dom, qemuCaps);
+            ret = qemuDomainDetachDeviceLive(vm, dev, dom);
             break;
         case QEMU_DEVICE_UPDATE:
-            ret = qemuDomainUpdateDeviceLive(vm, dev, dom, qemuCaps, force);
+            ret = qemuDomainUpdateDeviceLive(vm, dev, dom, force);
             break;
         default:
             qemuReportError(VIR_ERR_INTERNAL_ERROR,
@@ -4316,7 +4302,6 @@ endjob:
         vm = NULL;
 
 cleanup:
-    qemuCapsFree(qemuCaps);
     virDomainDefFree(vmdef);
     virDomainDeviceDefFree(dev);
     if (vm)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 5fdb013..dae2269 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -44,14 +44,13 @@
 int qemuDomainChangeEjectableMedia(struct qemud_driver *driver,
                                    virDomainObjPtr vm,
                                    virDomainDiskDefPtr disk,
-                                   virBitmapPtr qemuCaps,
                                    bool force)
 {
     virDomainDiskDefPtr origdisk = NULL;
     int i;
     int ret;
     char *driveAlias = NULL;
-    qemuDomainObjPrivatePtr priv;
+    qemuDomainObjPrivatePtr priv = vm->privateData;
 
     for (i = 0 ; i < vm->def->ndisks ; i++) {
         if (vm->def->disks[i]->bus == disk->bus &&
@@ -87,10 +86,9 @@ int qemuDomainChangeEjectableMedia(struct qemud_driver *driver,
                                         vm, disk) < 0)
         return -1;
 
-    if (!(driveAlias = qemuDeviceDriveHostAlias(origdisk, qemuCaps)))
+    if (!(driveAlias = qemuDeviceDriveHostAlias(origdisk, priv->qemuCaps)))
         goto error;
 
-    priv = vm->privateData;
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
     if (disk->src) {
         const char *format = NULL;
@@ -139,8 +137,7 @@ error:
 
 int qemuDomainAttachPciDiskDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDiskDefPtr disk,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainDiskDefPtr disk)
 {
     int i, ret;
     const char* type = virDomainDiskBusTypeToString(disk->bus);
@@ -161,17 +158,17 @@ int qemuDomainAttachPciDiskDevice(struct qemud_driver *driver,
                                         vm, disk) < 0)
         return -1;
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuDomainPCIAddressEnsureAddr(priv->pciaddrs, &disk->info) < 0)
             goto error;
         releaseaddr = true;
-        if (qemuAssignDeviceDiskAlias(disk, qemuCaps) < 0)
+        if (qemuAssignDeviceDiskAlias(disk, priv->qemuCaps) < 0)
             goto error;
 
-        if (!(drivestr = qemuBuildDriveStr(disk, 0, qemuCaps)))
+        if (!(drivestr = qemuBuildDriveStr(disk, 0, priv->qemuCaps)))
             goto error;
 
-        if (!(devstr = qemuBuildDriveDevStr(disk, qemuCaps)))
+        if (!(devstr = qemuBuildDriveDevStr(disk, priv->qemuCaps)))
             goto error;
     }
 
@@ -181,7 +178,7 @@ int qemuDomainAttachPciDiskDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         ret = qemuMonitorAddDrive(priv->mon, drivestr);
         if (ret == 0) {
             ret = qemuMonitorAddDevice(priv->mon, devstr);
@@ -221,7 +218,7 @@ error:
     VIR_FREE(devstr);
     VIR_FREE(drivestr);
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) &&
         releaseaddr &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &disk->info) < 0)
@@ -237,8 +234,7 @@ error:
 
 int qemuDomainAttachPciControllerDevice(struct qemud_driver *driver,
                                         virDomainObjPtr vm,
-                                        virDomainControllerDefPtr controller,
-                                        virBitmapPtr qemuCaps)
+                                        virDomainControllerDefPtr controller)
 {
     int i;
     int ret = -1;
@@ -257,14 +253,14 @@ int qemuDomainAttachPciControllerDevice(struct qemud_driver *driver,
         }
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuDomainPCIAddressEnsureAddr(priv->pciaddrs, &controller->info) < 0)
             goto cleanup;
         releaseaddr = true;
         if (qemuAssignDeviceControllerAlias(controller) < 0)
             goto cleanup;
 
-        if (!(devstr = qemuBuildControllerDevStr(controller, qemuCaps))) {
+        if (!(devstr = qemuBuildControllerDevStr(controller, priv->qemuCaps))) {
             goto cleanup;
         }
     }
@@ -275,7 +271,7 @@ int qemuDomainAttachPciControllerDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         ret = qemuMonitorAddDevice(priv->mon, devstr);
     } else {
         ret = qemuMonitorAttachPCIDiskController(priv->mon,
@@ -291,7 +287,7 @@ int qemuDomainAttachPciControllerDevice(struct qemud_driver *driver,
 
 cleanup:
     if ((ret != 0) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         (controller->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) &&
         releaseaddr &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &controller->info) < 0)
@@ -305,11 +301,11 @@ cleanup:
 static virDomainControllerDefPtr
 qemuDomainFindOrCreateSCSIDiskController(struct qemud_driver *driver,
                                          virDomainObjPtr vm,
-                                         int controller,
-                                         virBitmapPtr qemuCaps)
+                                         int controller)
 {
     int i;
     virDomainControllerDefPtr cont;
+
     for (i = 0 ; i < vm->def->ncontrollers ; i++) {
         cont = vm->def->controllers[i];
 
@@ -332,7 +328,7 @@ qemuDomainFindOrCreateSCSIDiskController(struct qemud_driver *driver,
 
     VIR_INFO0("No SCSI controller present, hotplugging one");
     if (qemuDomainAttachPciControllerDevice(driver,
-                                            vm, cont, qemuCaps) < 0) {
+                                            vm, cont) < 0) {
         VIR_FREE(cont);
         return NULL;
     }
@@ -351,8 +347,7 @@ qemuDomainFindOrCreateSCSIDiskController(struct qemud_driver *driver,
 
 int qemuDomainAttachSCSIDisk(struct qemud_driver *driver,
                              virDomainObjPtr vm,
-                             virDomainDiskDefPtr disk,
-                             virBitmapPtr qemuCaps)
+                             virDomainDiskDefPtr disk)
 {
     int i;
     qemuDomainObjPrivatePtr priv = vm->privateData;
@@ -382,18 +377,18 @@ int qemuDomainAttachSCSIDisk(struct qemud_driver *driver,
         goto error;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-        if (qemuAssignDeviceDiskAlias(disk, qemuCaps) < 0)
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
+        if (qemuAssignDeviceDiskAlias(disk, priv->qemuCaps) < 0)
             goto error;
-        if (!(devstr = qemuBuildDriveDevStr(disk, qemuCaps)))
+        if (!(devstr = qemuBuildDriveDevStr(disk, priv->qemuCaps)))
             goto error;
     }
 
-    if (!(drivestr = qemuBuildDriveStr(disk, 0, qemuCaps)))
+    if (!(drivestr = qemuBuildDriveStr(disk, 0, priv->qemuCaps)))
         goto error;
 
     for (i = 0 ; i <= disk->info.addr.drive.controller ; i++) {
-        cont = qemuDomainFindOrCreateSCSIDiskController(driver, vm, i, qemuCaps);
+        cont = qemuDomainFindOrCreateSCSIDiskController(driver, vm, i);
         if (!cont)
             goto error;
     }
@@ -415,7 +410,7 @@ int qemuDomainAttachSCSIDisk(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         ret = qemuMonitorAddDrive(priv->mon, drivestr);
         if (ret == 0) {
             ret = qemuMonitorAddDevice(priv->mon, devstr);
@@ -467,8 +462,7 @@ error:
 
 int qemuDomainAttachUsbMassstorageDevice(struct qemud_driver *driver,
                                          virDomainObjPtr vm,
-                                         virDomainDiskDefPtr disk,
-                                         virBitmapPtr qemuCaps)
+                                         virDomainDiskDefPtr disk)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
     int i, ret;
@@ -493,12 +487,12 @@ int qemuDomainAttachUsbMassstorageDevice(struct qemud_driver *driver,
         goto error;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-        if (qemuAssignDeviceDiskAlias(disk, qemuCaps) < 0)
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
+        if (qemuAssignDeviceDiskAlias(disk, priv->qemuCaps) < 0)
             goto error;
-        if (!(drivestr = qemuBuildDriveStr(disk, 0, qemuCaps)))
+        if (!(drivestr = qemuBuildDriveStr(disk, 0, priv->qemuCaps)))
             goto error;
-        if (!(devstr = qemuBuildDriveDevStr(disk, qemuCaps)))
+        if (!(devstr = qemuBuildDriveDevStr(disk, priv->qemuCaps)))
             goto error;
     }
 
@@ -508,7 +502,7 @@ int qemuDomainAttachUsbMassstorageDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         ret = qemuMonitorAddDrive(priv->mon, drivestr);
         if (ret == 0) {
             ret = qemuMonitorAddDevice(priv->mon, devstr);
@@ -552,8 +546,7 @@ error:
 int qemuDomainAttachNetDevice(virConnectPtr conn,
                               struct qemud_driver *driver,
                               virDomainObjPtr vm,
-                              virDomainNetDefPtr net,
-                              virBitmapPtr qemuCaps)
+                              virDomainNetDefPtr net)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
     char *tapfd_name = NULL;
@@ -567,7 +560,7 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
     int vlan;
     bool releaseaddr = false;
 
-    if (!qemuCapsGet(qemuCaps, QEMU_CAPS_HOST_NET_ADD)) {
+    if (!qemuCapsGet(priv->qemuCaps, QEMU_CAPS_HOST_NET_ADD)) {
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                         _("installed qemu version does not support host_net_add"));
         return -1;
@@ -576,36 +569,36 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
     if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE ||
         net->type == VIR_DOMAIN_NET_TYPE_NETWORK) {
         if ((tapfd = qemuNetworkIfaceConnect(vm->def, conn, driver, net,
-                                             qemuCaps)) < 0)
+                                             priv->qemuCaps)) < 0)
             return -1;
-        if (qemuOpenVhostNet(vm->def, net, qemuCaps, &vhostfd) < 0)
+        if (qemuOpenVhostNet(vm->def, net, priv->qemuCaps, &vhostfd) < 0)
             goto cleanup;
     } else if (net->type == VIR_DOMAIN_NET_TYPE_DIRECT) {
         if ((tapfd = qemuPhysIfaceConnect(vm->def, conn, driver, net,
-                                          qemuCaps,
+                                          priv->qemuCaps,
                                           VIR_VM_OP_CREATE)) < 0)
             return -1;
-        if (qemuOpenVhostNet(vm->def, net, qemuCaps, &vhostfd) < 0)
+        if (qemuOpenVhostNet(vm->def, net, priv->qemuCaps, &vhostfd) < 0)
             goto cleanup;
     }
 
     if (VIR_REALLOC_N(vm->def->nets, vm->def->nnets+1) < 0)
         goto no_memory;
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_NET_NAME) ||
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NET_NAME) ||
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuAssignDeviceNetAlias(vm->def, net, -1) < 0)
             goto cleanup;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         qemuDomainPCIAddressEnsureAddr(priv->pciaddrs, &net->info) < 0)
         goto cleanup;
 
     releaseaddr = true;
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         vlan = -1;
     } else {
         vlan = qemuDomainNetVLAN(net);
@@ -627,8 +620,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
             goto no_memory;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (!(netstr = qemuBuildHostNetStr(net, ',',
                                            -1, tapfd_name, vhostfd_name)))
             goto cleanup;
@@ -639,8 +632,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorAddNetdev(priv->mon, netstr, tapfd, tapfd_name,
                                  vhostfd, vhostfd_name) < 0) {
             qemuDomainObjExitMonitorWithDriver(driver, vm);
@@ -666,8 +659,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
         goto cleanup;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-        if (!(nicstr = qemuBuildNicDevStr(net, vlan, qemuCaps)))
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
+        if (!(nicstr = qemuBuildNicDevStr(net, vlan, priv->qemuCaps)))
             goto try_remove;
     } else {
         if (!(nicstr = qemuBuildNicStr(net, NULL, vlan)))
@@ -675,7 +668,7 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorAddDevice(priv->mon, nicstr) < 0) {
             qemuDomainObjExitMonitorWithDriver(driver, vm);
             qemuAuditNet(vm, NULL, net, "attach", false);
@@ -701,7 +694,7 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
 
 cleanup:
     if ((ret != 0) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) &&
         releaseaddr &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &net->info) < 0)
@@ -724,8 +717,8 @@ try_remove:
         goto cleanup;
 
     if (vlan < 0) {
-        if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
-            qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+        if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV) &&
+            qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
             char *netdev_name;
             if (virAsprintf(&netdev_name, "host%s", net->info.alias) < 0)
                 goto no_memory;
@@ -759,8 +752,7 @@ no_memory:
 
 int qemuDomainAttachHostPciDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainHostdevDefPtr hostdev,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainHostdevDefPtr hostdev)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
     int ret;
@@ -777,13 +769,13 @@ int qemuDomainAttachHostPciDevice(struct qemud_driver *driver,
     if (qemuPrepareHostdevPCIDevices(driver, &hostdev, 1) < 0)
         return -1;
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuAssignDeviceHostdevAlias(vm->def, hostdev, -1) < 0)
             goto error;
         if (qemuDomainPCIAddressEnsureAddr(priv->pciaddrs, &hostdev->info) < 0)
             goto error;
         releaseaddr = true;
-        if (qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
+        if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
             configfd = qemuOpenPCIConfig(hostdev);
             if (configfd >= 0) {
                 if (virAsprintf(&configfd_name, "fd-%s",
@@ -801,7 +793,7 @@ int qemuDomainAttachHostPciDevice(struct qemud_driver *driver,
         }
 
         if (!(devstr = qemuBuildPCIHostdevDevStr(hostdev, configfd_name,
-                                                 qemuCaps)))
+                                                 priv->qemuCaps)))
             goto error;
 
         qemuDomainObjEnterMonitorWithDriver(driver, vm);
@@ -833,7 +825,7 @@ int qemuDomainAttachHostPciDevice(struct qemud_driver *driver,
     return 0;
 
 error:
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         (hostdev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) &&
         releaseaddr &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &hostdev->info) < 0)
@@ -851,14 +843,13 @@ error:
 
 int qemuDomainAttachHostUsbDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainHostdevDefPtr hostdev,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainHostdevDefPtr hostdev)
 {
     int ret;
     qemuDomainObjPrivatePtr priv = vm->privateData;
     char *devstr = NULL;
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuAssignDeviceHostdevAlias(vm->def, hostdev, -1) < 0)
             goto error;
         if (!(devstr = qemuBuildUSBHostdevDevStr(hostdev)))
@@ -893,7 +884,7 @@ int qemuDomainAttachHostUsbDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE))
         ret = qemuMonitorAddDevice(priv->mon, devstr);
     else
         ret = qemuMonitorAddUSBDeviceExact(priv->mon,
@@ -918,8 +909,7 @@ error:
 
 int qemuDomainAttachHostDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainHostdevDefPtr hostdev,
-                               virBitmapPtr qemuCaps)
+                               virDomainHostdevDefPtr hostdev)
 {
     if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS) {
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -952,13 +942,13 @@ int qemuDomainAttachHostDevice(struct qemud_driver *driver,
     switch (hostdev->source.subsys.type) {
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
         if (qemuDomainAttachHostPciDevice(driver, vm,
-                                          hostdev, qemuCaps) < 0)
+                                          hostdev) < 0)
             goto error;
         break;
 
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
         if (qemuDomainAttachHostUsbDevice(driver, vm,
-                                          hostdev, qemuCaps) < 0)
+                                          hostdev) < 0)
             goto error;
         break;
 
@@ -1113,8 +1103,7 @@ static inline int qemuFindDisk(virDomainDefPtr def, const char *dst)
 
 int qemuDomainDetachPciDiskDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainDeviceDefPtr dev)
 {
     int i, ret = -1;
     virDomainDiskDefPtr detach = NULL;
@@ -1157,7 +1146,7 @@ int qemuDomainDetachPciDiskDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorDelDevice(priv->mon, detach->info.alias) < 0) {
             qemuDomainObjExitMonitor(vm);
             goto cleanup;
@@ -1177,7 +1166,7 @@ int qemuDomainDetachPciDiskDevice(struct qemud_driver *driver,
 
     qemuAuditDisk(vm, detach, NULL, "detach", ret >= 0);
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &detach->info) < 0)
         VIR_WARN("Unable to release PCI address on %s", dev->data.disk->src);
 
@@ -1204,8 +1193,7 @@ cleanup:
 
 int qemuDomainDetachDiskDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps)
+                               virDomainDeviceDefPtr dev)
 {
     int i, ret = -1;
     virDomainDiskDefPtr detach = NULL;
@@ -1221,7 +1209,7 @@ int qemuDomainDetachDiskDevice(struct qemud_driver *driver,
         goto cleanup;
     }
 
-    if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (!qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         qemuReportError(VIR_ERR_OPERATION_FAILED,
                         _("Underlying qemu does not support %s disk removal"),
                         virDomainDiskBusTypeToString(dev->data.disk->bus));
@@ -1334,8 +1322,7 @@ static bool qemuDomainControllerIsBusy(virDomainObjPtr vm,
 
 int qemuDomainDetachPciControllerDevice(struct qemud_driver *driver,
                                         virDomainObjPtr vm,
-                                        virDomainDeviceDefPtr dev,
-                                        virBitmapPtr qemuCaps)
+                                        virDomainDeviceDefPtr dev)
 {
     int i, ret = -1;
     virDomainControllerDefPtr detach = NULL;
@@ -1370,13 +1357,13 @@ int qemuDomainDetachPciControllerDevice(struct qemud_driver *driver,
         goto cleanup;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuAssignDeviceControllerAlias(detach) < 0)
             goto cleanup;
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorDelDevice(priv->mon, detach->info.alias)) {
             qemuDomainObjExitMonitor(vm);
             goto cleanup;
@@ -1404,7 +1391,7 @@ int qemuDomainDetachPciControllerDevice(struct qemud_driver *driver,
         vm->def->ncontrollers = 0;
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &detach->info) < 0)
         VIR_WARN0("Unable to release PCI address on controller");
 
@@ -1418,8 +1405,7 @@ cleanup:
 
 int qemuDomainDetachNetDevice(struct qemud_driver *driver,
                               virDomainObjPtr vm,
-                              virDomainDeviceDefPtr dev,
-                              virBitmapPtr qemuCaps)
+                              virDomainDeviceDefPtr dev)
 {
     int i, ret = -1;
     virDomainNetDefPtr detach = NULL;
@@ -1464,7 +1450,7 @@ int qemuDomainDetachNetDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorDelDevice(priv->mon, detach->info.alias) < 0) {
             qemuDomainObjExitMonitor(vm);
             qemuAuditNet(vm, detach, NULL, "detach", false);
@@ -1479,8 +1465,8 @@ int qemuDomainDetachNetDevice(struct qemud_driver *driver,
         }
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
-        qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV) &&
+        qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuMonitorRemoveNetdev(priv->mon, hostnet_name) < 0) {
             qemuDomainObjExitMonitorWithDriver(driver, vm);
             qemuAuditNet(vm, detach, NULL, "detach", false);
@@ -1497,7 +1483,7 @@ int qemuDomainDetachNetDevice(struct qemud_driver *driver,
 
     qemuAuditNet(vm, detach, NULL, "detach", true);
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &detach->info) < 0)
         VIR_WARN0("Unable to release PCI address on NIC");
 
@@ -1545,8 +1531,7 @@ cleanup:
 
 int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainDeviceDefPtr dev)
 {
     virDomainHostdevDefPtr detach = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
@@ -1590,7 +1575,7 @@ int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
     }
 
     qemuDomainObjEnterMonitorWithDriver(driver, vm);
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         ret = qemuMonitorDelDevice(priv->mon, detach->info.alias);
     } else {
         ret = qemuMonitorRemovePCIDevice(priv->mon, &detach->info.addr.pci);
@@ -1615,7 +1600,7 @@ int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
         pciFreeDevice(pci);
     }
 
-    if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+    if (qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
         qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &detach->info) < 0)
         VIR_WARN0("Unable to release PCI address on host device");
 
@@ -1639,8 +1624,7 @@ int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
 
 int qemuDomainDetachHostUsbDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps)
+                                  virDomainDeviceDefPtr dev)
 {
     virDomainHostdevDefPtr detach = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
@@ -1686,7 +1670,7 @@ int qemuDomainDetachHostUsbDevice(struct qemud_driver *driver,
         return -1;
     }
 
-    if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (!qemuCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         qemuReportError(VIR_ERR_OPERATION_FAILED,
                         "%s", _("device cannot be detached with this QEMU version"));
         return -1;
@@ -1719,8 +1703,7 @@ int qemuDomainDetachHostUsbDevice(struct qemud_driver *driver,
 
 int qemuDomainDetachHostDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps)
+                               virDomainDeviceDefPtr dev)
 {
     virDomainHostdevDefPtr hostdev = dev->data.hostdev;
     int ret;
@@ -1734,10 +1717,10 @@ int qemuDomainDetachHostDevice(struct qemud_driver *driver,
 
     switch (hostdev->source.subsys.type) {
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
-        ret = qemuDomainDetachHostPciDevice(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachHostPciDevice(driver, vm, dev);
         break;
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
-        ret = qemuDomainDetachHostUsbDevice(driver, vm, dev, qemuCaps);
+        ret = qemuDomainDetachHostUsbDevice(driver, vm, dev);
         break;
     default:
         qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index db3970c..d18b393 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -30,41 +30,32 @@
 int qemuDomainChangeEjectableMedia(struct qemud_driver *driver,
                                    virDomainObjPtr vm,
                                    virDomainDiskDefPtr disk,
-                                   virBitmapPtr qemuCaps,
                                    bool force);
 int qemuDomainAttachPciDiskDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDiskDefPtr disk,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainDiskDefPtr disk);
 int qemuDomainAttachPciControllerDevice(struct qemud_driver *driver,
                                         virDomainObjPtr vm,
-                                        virDomainControllerDefPtr controller,
-                                        virBitmapPtr qemuCaps);
+                                        virDomainControllerDefPtr controller);
 int qemuDomainAttachSCSIDisk(struct qemud_driver *driver,
                              virDomainObjPtr vm,
-                             virDomainDiskDefPtr disk,
-                             virBitmapPtr qemuCaps);
+                             virDomainDiskDefPtr disk);
 int qemuDomainAttachUsbMassstorageDevice(struct qemud_driver *driver,
                                          virDomainObjPtr vm,
-                                         virDomainDiskDefPtr disk,
-                                         virBitmapPtr qemuCaps);
+                                         virDomainDiskDefPtr disk);
 int qemuDomainAttachNetDevice(virConnectPtr conn,
                               struct qemud_driver *driver,
                               virDomainObjPtr vm,
-                              virDomainNetDefPtr net,
-                              virBitmapPtr qemuCaps);
+                              virDomainNetDefPtr net);
 int qemuDomainAttachHostPciDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainHostdevDefPtr hostdev,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainHostdevDefPtr hostdev);
 int qemuDomainAttachHostUsbDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainHostdevDefPtr hostdev,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainHostdevDefPtr hostdev);
 int qemuDomainAttachHostDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainHostdevDefPtr hostdev,
-                               virBitmapPtr qemuCaps);
+                               virDomainHostdevDefPtr hostdev);
 int qemuDomainChangeGraphics(struct qemud_driver *driver,
                              virDomainObjPtr vm,
                              virDomainGraphicsDefPtr dev);
@@ -75,32 +66,25 @@ int qemuDomainChangeGraphicsPasswords(struct qemud_driver *driver,
                                       const char *defaultPasswd);
 int qemuDomainDetachPciDiskDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainDeviceDefPtr dev);
 int qemuDomainDetachDiskDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps);
+                               virDomainDeviceDefPtr dev);
 int qemuDomainDetachPciControllerDevice(struct qemud_driver *driver,
                                         virDomainObjPtr vm,
-                                        virDomainDeviceDefPtr dev,
-                                        virBitmapPtr qemuCaps);
+                                        virDomainDeviceDefPtr dev);
 int qemuDomainDetachNetDevice(struct qemud_driver *driver,
                               virDomainObjPtr vm,
-                              virDomainDeviceDefPtr dev,
-                              virBitmapPtr qemuCaps);
+                              virDomainDeviceDefPtr dev);
 int qemuDomainDetachHostPciDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainDeviceDefPtr dev);
 int qemuDomainDetachHostUsbDevice(struct qemud_driver *driver,
                                   virDomainObjPtr vm,
-                                  virDomainDeviceDefPtr dev,
-                                  virBitmapPtr qemuCaps);
+                                  virDomainDeviceDefPtr dev);
 int qemuDomainDetachHostDevice(struct qemud_driver *driver,
                                virDomainObjPtr vm,
-                               virDomainDeviceDefPtr dev,
-                               virBitmapPtr qemuCaps);
+                               virDomainDeviceDefPtr dev);
 
 
 #endif /* __QEMU_HOTPLUG_H__ */
-- 
1.7.4.4


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