[libvirt] [PATCH v2 10/15] vbox: Process <controller> element in domain XML

Dawid Zamirski dzamirski at datto.com
Fri Nov 3 17:25:27 UTC 2017


On Fri, 2017-11-03 at 09:51 -0400, John Ferlan wrote:
> 
> On 10/24/2017 03:35 PM, Dawid Zamirski wrote:
> > 
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
> > +        VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SCSI_NAME,
> > &controllerName);
> > +        vboxBusType = StorageBus_SCSI;
> > +
> > +        break;
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
> > +        VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SATA_NAME,
> > &controllerName);
> > +        vboxBusType = StorageBus_SATA;
> 
> 
> I think prior to this patch - there should be a patch that "manages"
> all
> those range check differences, storageBus comparison checks, etc. for
> VIR_DOMAIN_CONTROLLER_TYPE_SATA that end up in future patches.
> 
> John

Up until this patch, the series modifies the definexml functionality in
which case input is libvirt XML that is translated to vbox values. The
supported libvirt types are 'validated' by the typed switch...case
statement so it's not possible to run into a vbox value that the driver
does not recognize. The patches that follow are for dumpxml and those
do get updated to handle StorageBus_SAS (the new one introduced in this
series) in patch #12 (see vboxGenerateMediumName change) and in patch
#15 where vboxDumpDisks is changed to use typed switch statement on
storageBus.

Dawid

> 
> > +
> > +        break;
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL:
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_CCID:
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_USB:
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_LAST:
> > +        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> > +                       _("The vbox driver does not support %s
> > controller type"),
> > +                       virDomainControllerTypeToString(controller-
> > >type));
> > +        return -1;
> > +    }
> > +
> > +    /* libvirt scsi model => vbox scsi model */
> > +    if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
> > +        switch ((virDomainControllerModelSCSI) controller->model)
> > {
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC:
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_AUTO:
> > +            vboxModel = StorageControllerType_LsiLogic;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_BUSLOGIC:
> > +            vboxModel = StorageControllerType_BusLogic;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1068:
> > +            /* in vbox, lsisas has a dedicated SAS bus type with
> > no model */
> > +            VBOX_UTF16_FREE(controllerName);
> > +            VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SAS_NAME,
> > &controllerName);
> > +            vboxBusType = StorageBus_SAS;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI:
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI:
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078:
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST:
> > +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> > +                           _("The vbox driver does not support %s
> > SCSI "
> > +                             "controller model"),
> > +                           virDomainControllerModelSCSITypeToStrin
> > g(controller->model));
> > +            goto cleanup;
> > +        }
> > +    /* libvirt ide model => vbox ide model */
> > +    } else if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE)
> > {
> > +        switch ((virDomainControllerModelIDE) controller->model) {
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_IDE_PIIX3:
> > +            vboxModel = StorageControllerType_PIIX3;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_IDE_PIIX4:
> > +            vboxModel = StorageControllerType_PIIX4;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_IDE_ICH6:
> > +            vboxModel = StorageControllerType_ICH6;
> > +
> > +            break;
> > +        case VIR_DOMAIN_CONTROLLER_MODEL_IDE_LAST:
> > +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> > +                           _("The vbox driver does not support %s
> > IDE "
> > +                             "controller model"),
> > +                             virDomainControllerModelIDETypeToStri
> > ng(controller->model));
> > +            goto cleanup;
> > +        }
> > +    }
> > +
> > +    VBOX_UTF16_TO_UTF8(controllerName, &debugName);
> > +    VIR_DEBUG("Adding VBOX storage controller (name: %s, busType:
> > %d)",
> > +               debugName, vboxBusType);
> > +
> > +    rc = gVBoxAPI.UIMachine.AddStorageController(machine,
> > controllerName,
> > +                                                 vboxBusType,
> > &vboxController);
> > +
> > +    if (NS_FAILED(rc)) {
> > +        virReportError(VIR_ERR_INTERNAL_ERROR,
> > +                       _("Failed to add storage controller "
> > +                         "(name: %s, busType: %d), rc=%08x"),
> > +                       debugName, vboxBusType, rc);
> > +        goto cleanup;
> > +    }
> > +
> > +    /* only IDE or SCSI controller have model choices */
> > +    if (vboxModel != StorageControllerType_Null) {
> > +        rc =
> > gVBoxAPI.UIStorageController.SetControllerType(vboxController,
> > +                                                            vboxMo
> > del);
> > +        if (NS_FAILED(rc)) {
> > +            virReportError(VIR_ERR_INTERNAL_ERROR,
> > +                            _("Failed to change storage controller
> > model, "
> > +                              "rc=%08x"), rc);
> > +            goto cleanup;
> > +        }
> > +    }
> > +
> > +    ret = 0;
> > +
> > + cleanup:
> > +    VBOX_UTF16_FREE(controllerName);
> > +    VBOX_UTF8_FREE(debugName);
> > +    VBOX_RELEASE(vboxController);
> > +
> > +    return ret;
> > +}
> > +
> > +
> > +static int
> > +vboxAttachStorageControllers(virDomainDefPtr def,
> > +                             vboxDriverPtr data,
> > +                             IMachine *machine)
> > +{
> > +    size_t i;
> > +    for (i = 0; i < def->ncontrollers; i++) {
> > +        if (vboxSetStorageController(def->controllers[i], data,
> > machine) < 0)
> > +            return -1;
> > +    }
> > +
> > +    return 0;
> > +}
> > +
> > +
> >  static virDrvOpenStatus
> >  vboxConnectOpen(virConnectPtr conn,
> >                  virConnectAuthPtr auth ATTRIBUTE_UNUSED,
> > @@ -959,7 +1113,7 @@ static int
> >  vboxAttachDrives(virDomainDefPtr def, vboxDriverPtr data, IMachine
> > *machine)
> >  {
> >      size_t i;
> > -    int type, ret = 0;
> > +    int type, ret = 0, model = -1;
> >      const char *src = NULL;
> >      nsresult rc = 0;
> >      virDomainDiskDefPtr disk = NULL;
> > @@ -972,46 +1126,6 @@ vboxAttachDrives(virDomainDefPtr def,
> > vboxDriverPtr data, IMachine *machine)
> >  
> >      VBOX_IID_INITIALIZE(&mediumUUID);
> >  
> > -    /* add a storage controller for the mediums to be attached */
> > -    /* this needs to change when multiple controller are supported
> > for
> > -     * ver > 3.1 */
> > -    {
> > -        IStorageController *storageCtl = NULL;
> > -        PRUnichar *sName = NULL;
> > -
> > -        VBOX_UTF8_TO_UTF16("IDE Controller", &sName);
> > -        gVBoxAPI.UIMachine.AddStorageController(machine,
> > -                                                sName,
> > -                                                StorageBus_IDE,
> > -                                                &storageCtl);
> > -        VBOX_UTF16_FREE(sName);
> > -        VBOX_RELEASE(storageCtl);
> > -
> > -        VBOX_UTF8_TO_UTF16("SATA Controller", &sName);
> > -        gVBoxAPI.UIMachine.AddStorageController(machine,
> > -                                                sName,
> > -                                                StorageBus_SATA,
> > -                                                &storageCtl);
> > -        VBOX_UTF16_FREE(sName);
> > -        VBOX_RELEASE(storageCtl);
> > -
> > -        VBOX_UTF8_TO_UTF16("SCSI Controller", &sName);
> > -        gVBoxAPI.UIMachine.AddStorageController(machine,
> > -                                                sName,
> > -                                                StorageBus_SCSI,
> > -                                                &storageCtl);
> > -        VBOX_UTF16_FREE(sName);
> > -        VBOX_RELEASE(storageCtl);
> > -
> > -        VBOX_UTF8_TO_UTF16("Floppy Controller", &sName);
> > -        gVBoxAPI.UIMachine.AddStorageController(machine,
> > -                                                sName,
> > -                                                StorageBus_Floppy,
> > -                                                &storageCtl);
> > -        VBOX_UTF16_FREE(sName);
> > -        VBOX_RELEASE(storageCtl);
> > -    }
> > -
> >      for (i = 0; i < def->ndisks; i++) {
> >          disk = def->disks[i];
> >          src = virDomainDiskGetSource(disk);
> > @@ -1066,21 +1180,28 @@ vboxAttachDrives(virDomainDefPtr def,
> > vboxDriverPtr data, IMachine *machine)
> >  
> >          switch ((virDomainDiskBus) disk->bus) {
> >          case VIR_DOMAIN_DISK_BUS_IDE:
> > -            VBOX_UTF8_TO_UTF16("IDE Controller", &storageCtlName);
> > +            VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_IDE_NAME,
> > &storageCtlName);
> >              devicePort = def->disks[i]->info.addr.drive.bus;
> >              deviceSlot = def->disks[i]->info.addr.drive.unit;
> >  
> >              break;
> >          case VIR_DOMAIN_DISK_BUS_SATA:
> > -            VBOX_UTF8_TO_UTF16("SATA Controller",
> > &storageCtlName);
> > +            VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SATA_NAME,
> > &storageCtlName);
> >  
> >              break;
> >          case VIR_DOMAIN_DISK_BUS_SCSI:
> > -            VBOX_UTF8_TO_UTF16("SCSI Controller",
> > &storageCtlName);
> > +            VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SCSI_NAME,
> > &storageCtlName);
> > +
> > +            model = virDomainDeviceFindControllerModel(def, &disk-
> > >info,
> > +                                                       VIR_DOMAIN_
> > CONTROLLER_TYPE_SCSI);
> > +            if (model ==
> > VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1068) {
> > +                VBOX_UTF16_FREE(storageCtlName);
> > +                VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_SAS_NAME,
> > &storageCtlName);
> > +            }
> >  
> >              break;
> >          case VIR_DOMAIN_DISK_BUS_FDC:
> > -            VBOX_UTF8_TO_UTF16("Floppy Controller",
> > &storageCtlName);
> > +            VBOX_UTF8_TO_UTF16(VBOX_CONTROLLER_FLOPPY_NAME,
> > &storageCtlName);
> >              devicePort = 0;
> >              deviceSlot = disk->info.addr.drive.unit;
> >  
> > @@ -1148,7 +1269,6 @@ vboxAttachDrives(virDomainDefPtr def,
> > vboxDriverPtr data, IMachine *machine)
> >                  gVBoxAPI.UIMedium.SetType(medium,
> > MediumType_Normal);
> >                  VIR_DEBUG("Setting hard disk type to normal");
> >              }
> > -
> >          }
> >  
> >          VBOX_UTF16_TO_UTF8(storageCtlName, &controllerName);
> > @@ -1918,6 +2038,8 @@ vboxDomainDefineXMLFlags(virConnectPtr conn,
> > const char *xml, unsigned int flags
> >      gVBoxAPI.UISession.GetMachine(data->vboxSession, &machine);
> >  
> >      vboxSetBootDeviceOrder(def, data, machine);
> > +    if (vboxAttachStorageControllers(def, data, machine) < 0)
> > +        goto cleanup;
> >      if (vboxAttachDrives(def, data, machine) < 0)
> >          goto cleanup;
> >      vboxAttachSound(def, machine);
> > diff --git a/src/vbox/vbox_common.h b/src/vbox/vbox_common.h
> > index b08ad1e3e..3340374c1 100644
> > --- a/src/vbox/vbox_common.h
> > +++ b/src/vbox/vbox_common.h
> > @@ -326,6 +326,14 @@ enum HardDiskVariant
> >  # define VBOX_E_INVALID_SESSION_STATE 0x80BB000B
> >  # define VBOX_E_OBJECT_IN_USE 0x80BB000C
> >  
> > +/* VBOX storage controller name definitions */
> > +
> > +# define VBOX_CONTROLLER_IDE_NAME "IDE Controller"
> > +# define VBOX_CONTROLLER_FLOPPY_NAME "Floppy Controller"
> > +# define VBOX_CONTROLLER_SATA_NAME "SATA Controller"
> > +# define VBOX_CONTROLLER_SCSI_NAME "SCSI Controller"
> > +# define VBOX_CONTROLLER_SAS_NAME "SAS Controller"
> > +
> >  /* Simplied definitions in vbox_CAPI_*.h */
> >  
> >  typedef void const *PCVBOXXPCOM;
> > 
> 
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