ConsoleImpl.cpp revision add62cf6fb647eff9d3769b0b5111256d49868d9
/* array of progress objects for hard disk reset operations */ // constructor / destructor ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// /* Enclose the state transition NotReady->InInit->Ready */ /* Cache essential properties and objects */ /* Create associated child COM objects */ /* Grab global and machine shared folder lists */ /* Create other child objects */ /* Confirm a successful initialization when it's the case */ * Uninitializes the Console object. /* Enclose the state transition Ready->InUninit->NotReady */ * Uninit all children that use addDependentChild()/removeDependentChild() * in their init()/uninit() methods. /* power down the VM if necessary */ /* Release all callbacks. Do this after uninitializing the components, * as some of them are well-behaved and unregister their callbacks. * These would trigger error messages complaining about trying to * unregister a non-registered callback. */ /* dynamically allocated members of mCallbackData are uninitialized * at the end of powerDown() */ #
endif /* VBOX_WITH_GUEST_PROPS */ /* Console has been already uninitialized, deny request */ LogRel((
"VRDPAUTH: Access denied (Console uninitialized).\n"));
LogRel((
"VRDPAUTH: User: [%s]. Domain: [%s]. Authentication type: [%s]\n",
/* Call the external library. */ LogRel((
"VRDPAUTH: Delegated to guest.\n"));
LogFlowFunc((
"External auth asked for guest judgement\n"));
/* Issue the request to guest. Assume that the call does not require EMT. It should not. */ /* Ask the guest to judge these credentials. */ LogFlowFunc((
"Wait for credentials judgement rc = %Rrc!!!\n",
rc));
LogRel((
"VRDPAUTH: Access denied.\n"));
LogRel((
"VRDPAUTH: Access granted.\n"));
/* Multiconnection check must be made after authentication, so bad clients would not interfere with a good one. */ /* Note: the 'mcVRDPClients' variable is incremented in ClientConnect callback, which is called when the client * is successfully connected, that is after the ClientLogon callback. Therefore the mcVRDPClients * value is 0 for first client. /* There is a client already. * If required drop the existing client connection and let the connecting one in. LogRel((
"VRDPAUTH: Multiple connections are not enabled. Disconnecting existing client.\n"));
LogRel((
"VRDPAUTH: Multiple connections are not enabled. Access denied.\n"));
/* Save the connected client id. From now on it will be necessary to disconnect this one. */ #
endif /* VBOX_WITH_GUEST_PROPS */#
endif /* VBOX_WITH_VRDP */#
endif /* VBOX_WITH_VRDP */#
endif /* VBOX_WITH_VRDP */#
endif /* VBOX_WITH_GUEST_PROPS */#
endif /* VBOX_WITH_VRDP */ * Loads various console data stored in the saved state file. * This method does validation of the state file and returns an error info * The method does nothing if the machine is not in the Saved file or if * console data from it has already been loaded. * @note The caller must lock this object for writing. tr(
"The saved state file '%ls' is invalid (%Rrc). Discard the saved state and try again"),
* Callback handler to save various console data to the state file, * called when the user saves the VM state. * @param pvUser pointer to Console * @note Locks the Console object for reading. // don't lock the folder because methods we access are const * Callback handler to load various console data from the state file. * Called when the VM is being restored from the saved state. * @param pvUser pointer to Console * @param uVersion Console unit version. * Should match sSSMConsoleVer. * @param uPass The data pass. * @note Should locks the Console object for writing, if necessary. /* Currently, nothing to do when we've been called from VMR3Load*. */ * Method to load various console data from the state file. * Called from #loadDataFromSavedState. * @param pvUser pointer to Console * @param u32Version Console unit version. * Should match sSSMConsoleVer. * @note Locks the Console object for writing. // LogFlowFunc(("pvExtension=%p, pvParms=%p, cbParms=%u\n", pvExtension, pvParms, cbParms)); /* No locking, as this is purely a notification which does not make any * changes to the object state. */ // LogFlowFunc(("pCBData->pcszName=%s, pCBData->pcszValue=%s, pCBData->pcszFlags=%s\n", pCBData->pcszName, pCBData->pcszValue, pCBData->pcszFlags)); // LogFunc(("pConsole->mControl->PushGuestProperty failed, hrc=0x%x\n", hrc)); // LogFunc(("pCBData->pcszName=%s\n", pCBData->pcszName)); // LogFunc(("pCBData->pcszValue=%s\n", pCBData->pcszValue)); // LogFunc(("pCBData->pcszFlags=%s\n", pCBData->pcszFlags)); // LogFlowFunc(("rc=%Rrc\n", rc)); * Now things get slightly complicated. Due to a race with the guest adding * properties, there is no good way to know how much to enlarge a buffer for * the service to enumerate into. We choose a decent starting size and loop a * few times, each time retrying with the size suggested by the service plus tr(
"Temporary failure due to guest activity, please retry"));
* Finally we have to unpack the data returned by the service into the safe * arrays supplied by the caller. We start by counting the number of entries. /* The list is terminated by a zero-length string at the end of a set /* We are counting sets of four strings. */ for (
unsigned j = 0; j <
4; ++j)
* And now we create the COM safe arrays and fill them in. /* Rely on the service to have formated the data correctly. */ ///////////////////////////////////////////////////////////////////////////// /* mMachine is constant during life time, no need to lock */ /* we return our local state (since it's always the same as on the server) */ /* mGuest is constant during life time, no need to lock */ /* mKeyboard is constant during life time, no need to lock */ /* mMouse is constant during life time, no need to lock */ /* mDisplay is constant during life time, no need to lock */ /* we need a write lock because of the lazy mDebugger initialization*/ /* check if we have to create the debugger object */ /* mDisplay is constant during life time, no need to lock */ /* loadDataFromSavedState() needs a write lock */ /* Read console data stored in the saved state file (if not yet done) */ ///////////////////////////////////////////////////////////////////////////// /* extra nice error message for a common case */ tr(
"Cannot power down a saved virtual machine"));
tr(
"Virtual machine is being powered down."));
tr(
"Invalid machine state: %d (must be Running, Paused or Stuck)"),
/* create an IProgress object to track progress of this operation */ Bstr(
tr(
"Stopping virtual machine")),
FALSE /* aCancelable */);
/* setup task object and thread to carry out the operation asynchronously */ (
"Could not create VMPowerDown thread (%Rrc)",
vrc),
E_FAIL);
/* task is now owned by powerDownThread(), so release it */ /* go to Stopping state to forbid state-dependant operations */ /* pass the progress to the caller */ tr(
"Invalid machine state: %d"),
/* leave the lock before a VMR3* call (EMT will call us back)! */ tr(
"Could not reset the machine (%Rrc)"),
tr(
"Invalid machine state: %d)"),
/* leave the lock before a VMR3* call (EMT will call us back)! */ tr(
"Could not suspend the machine execution (%Rrc)"),
tr(
"Cannot resume the machine as it is not paused (machine state: %d)"),
/* leave the lock before a VMR3* call (EMT will call us back)! */ tr(
"Could not resume the machine execution (%Rrc)"),
tr(
"Invalid machine state: %d)"),
tr(
"Controlled power off failed (%Rrc)"),
tr(
"Invalid machine state: %d)"),
tr(
"Checking if the ACPI Power Button event was handled by the guest OS failed (%Rrc)"),
tr(
"Invalid machine state %d when checking if the guest entered the ACPI mode)"),
tr(
"Invalid machine state: %d)"),
tr(
"Sending sleep button event failed (%Rrc)"),
tr(
"Cannot save the execution state as the machine is not running or paused (machine state: %d)"),
/* memorize the current machine state */ /* create a progress object to track operation completion */ Bstr(
tr(
"Saving the execution state of the virtual machine")),
FALSE /* aCancelable */);
/* create a task object early to ensure mpVM protection is successful */ * If we fail here it means a PowerDown() call happened on another * thread while we were doing Pause() (which leaves the Console lock). * We assign PowerDown() a higher precedence than SaveState(), * therefore just return the error to the caller. * request a saved state file path from the server * (this will set the machine state to Saving on the server to block * others from accessing this machine) /* sync the state with the server */ /* ensure the directory for the saved state file exists */ tr(
"Could not create a directory '%s' to save the state to (%Rrc)"),
/* setup task object and thread to carry out the operation asynchronously */ /* set the state the operation thread will restore when it is finished */ /* create a thread to wait until the VM state is saved */ /* task is now owned by saveStateThread(), so release it */ /* return the progress to the caller */ /* preserve existing error info */ * cancel the requested save state procedure. * This will reset the machine state to the state it had right * before calling mControl->BeginSavingState(). /* restore the paused state if appropriate */ /* restore the running state if appropriate */ tr(
"Cannot adopt the saved machine state as the machine is not in Powered Off or Aborted state (machine state: %d)"),
tr(
"Cannot discard the machine state as the machine is not in the saved state (machine state: %d)"),
* Saved -> PoweredOff transition will be detected in the SessionMachine /** read the value of a LEd. */ * Note: we don't lock the console object here because * readAndClearLed() should be thread safe. /* Get LED array to read */ tr(
"Invalid device type: %d"),
tr(
"Cannot attach a USB device to the machine which is not running or paused (machine state: %d)"),
/* Don't proceed unless we've found the usb controller. */ tr(
"The virtual machine does not have a USB controller"));
/* leave the lock because the USB Proxy service may call us back * (via onUSBDeviceAttach()) */ /* Request the device capture */ #
else /* !VBOX_WITH_USB */ tr(
"The virtual machine does not have a USB controller"));
#
endif /* !VBOX_WITH_USB */ tr(
"USB device with UUID {%RTuuid} is not attached to this machine"),
* Inform the USB device and USB proxy about what's cooking. /* Request the PDM to detach the USB device. */ /* leave the lock since we don't need it any more (note though that * the USB Proxy service must not call us back here) */ /* Request the device release. Even if it fails, the device will * remain as held by proxy, which is OK for us (the VM process). */ #
else /* !VBOX_WITH_USB */ tr(
"The virtual machine does not have a USB controller"));
#
endif /* !VBOX_WITH_USB */ tr(
"Could not find a USB device with address '%ls'"),
#
else /* !VBOX_WITH_USB */#
endif /* !VBOX_WITH_USB */ tr(
"Could not find a USB device with uuid {%RTuuid}"),
#
else /* !VBOX_WITH_USB */#
endif /* !VBOX_WITH_USB */ /// @todo see @todo in AttachUSBDevice() about the Paused state tr(
"Cannot create a transient shared folder on the machine in the saved state"));
tr(
"Cannot create a transient shared folder on the machine while it is changing the state (machine state: %d)"),
tr(
"Shared folder named '%ls' already exists"),
/* protect mpVM (if not NULL) */ /* If the VM is online and supports shared folders, share this folder * under the specified name. */ /* first, remove the machine or the global folder if there is any */ /* second, create the given folder */ /* notify console callbacks after the folder is added to the list */ /// @todo see @todo in AttachUSBDevice() about the Paused state tr(
"Cannot remove a transient shared folder from the machine in the saved state"));
tr(
"Cannot remove a transient shared folder from the machine while it is changing the state (machine state: %d)"),
/* protect mpVM (if not NULL) */ /* if the VM is online and supports shared folders, UNshare this /* first, remove the given folder */ /* first, remove the machine or the global folder if there is any */ /* don't check rc here because we need to remove the console * folder from the collection even on failure */ /* notify console callbacks after the folder is removed to the list */ tr(
"Cannot take a snapshot of the machine while it is changing the state (machine state: %d)"),
/* prepare the progress object: a) count the no. of hard disk attachments to get a matching no. of progress sub-operations */ tr(
"Cannot get medium attachments of the machine"),
// assume that creating a diff image takes as long as saving a 1 MB state // (note, the same value must be used in SessionMachine::BeginTakingSnapshot() on the server!) // b) one extra sub-operations for online snapshots OR offline snapshots that have a saved state (needs to be copied) // finally, create the progress object Bstr(
tr(
"Taking a snapshot of the virtual machine")),
Bstr(
tr(
"Setting up snapshot operation")),
// first sub-op description 1);
// ulFirstOperationWeight * If we fail here it means a PowerDown() call happened on another * thread while we were doing Pause() (which leaves the Console lock). * We assign PowerDown() a higher precedence than TakeSnapshot(), * therefore just return the error to the caller. /* memorize the current machine state */ tr(
"Could not create VMTakeSnap thread (%Rrc)"),
tr(
"Cannot discard a snapshot of the running machine (machine state: %d)"),
tr(
"Cannot discard the current state of the running machine (machine state: %d)"),
tr(
"Cannot discard the current snapshot and state of the running machine (machine state: %d)"),
#
if 0
/** @todo r=bird,r=pritesh: must check that the interface id match correct or we might screw up with old code! */ /* Inform the callback about the current status (for example, the new * callback must know the current mouse capabilities and the pointer * shape in order to properly integrate the mouse pointer). */ /* Note: we don't call OnStateChange for new callbacks because the * machine state is a) not actually changed on callback registration * and b) can be always queried from Console. */ tr(
"The given callback handler is not registered"));
// Non-interface public methods ///////////////////////////////////////////////////////////////////////////// * Process a medium change. * @param aMediumAttachment The medium attachment with the new medium state. * @note Locks this object for writing. /* We will need to release the write lock before calling EMT */ /** @todo support multiple instances of a controller */ * Call worker in EMT, that's faster and safer than doing everything * using VMR3ReqCall. Note that we separate VMR3ReqCall from VMR3ReqWait * here to make requests from under the lock in order to serialize them. /* leave the lock before waiting for a result (EMT will call us back!) */ tr(
"Could not unmount the currently mounted media/drive (%Rrc)"),
* Performs the medium change in EMT. * @returns VBox status code. * @param pThis Pointer to the Console object. * @param pszDevice The PDM device name. * @param uInstance The PDM device instance. * @param uLun The PDM LUN number of the drive. * @param fHostDrive True if this is a host drive attachment. * @param pszPath The path to the media / drive which is now being mounted / captured. * If NULL no media or drive is attached and the LUN will be configured with * the default block driver with no media. This will also be the state if * mounting / capturing the specified media / drive fails. * @param pszFormat Medium format string, usually "RAW". * @param fPassthrough Enables using passthrough mode of the host DVD drive if applicable. * @note Locks the Console object for writing. * @todo the error handling in this method needs to be improved seriously - what if mounting fails... LogFlowFunc((
"pThis=%p pszDevice=%p:{%s} uInstance=%u uLun=%u fHostDrive=%d pszPath=%p:{%s} pszFormat=%p:{%s} fPassthrough=%d\n",
pThis,
pszDevice,
pszDevice,
uInstance,
uLun,
fHostDrive,
pszPath,
pszPath,
pszFormat,
pszFormat,
fPassthrough));
* The VM must not be running since it might have pending I/O to * the drive which is being changed. /* disable the callback to prevent Console-level state change */ In general locking the object before doing VMR3* calls is quite safe here, since we're on EMT. Anyway we lock for write after eventually suspending the vm. The reason is that in the vmstateChangeCallback the var mVMStateChangeCallbackDisabled is checked under a lock also, which can lead to an dead lock. The write lock is necessary because we * Unmount existing media / detach host drive. /** @todo this does a very thorough job. usually it's too much, * as a simple medium change (without changing between host attachment * and image) could be done with a lot less effort, by just using the * pfnUnmount and pfnMount interfaces. Later. */ * Construct a new driver configuration. /* nuke anything which might have been left behind. */ /* create a new block driver config */ /** @todo later pass full VDConfig information and parent images */ /* Dump the new controller configuration. */ Unlock before resuming because the vmstateChangeCallback problem * Resume the VM if necessary. /* disable the callback to prevent Console-level state change */ /* too bad, we failed. try to sync the console state with the VMM state */ /// @todo (r=dmik) if we failed with drive mount, then the VMR3Resume // error (if any) will be hidden from the caller. For proper reporting // of such multiple errors to the caller we need to enhance the // IVirtualBoxError interface. For now, give the first error the higher * Called by IInternalSessionControl::OnNetworkAdapterChange(). * @note Locks this object for writing. /* Don't do anything if the VM isn't running */ /* Get the properties we need from the adapter */ * Find the pcnet instance, get the config interface and update * Perhaps it would be much wiser to wrap both 'pcnet' and 'e1000' * into generic 'net' device. #
endif /* VBOX_WITH_VIRTIO */ Log((
"Console::onNetworkAdapterChange: setting link state to %d\n",
#
endif /* VBOX_DYNAMIC_NET_ATTACH */ /* notify console callbacks on success */ * Process a network adaptor change. * @returns COM status code. * @param pszDevice The PDM device name. * @param uInstance The PDM device instance. * @param uLun The PDM LUN number of the drive. * @param aNetworkAdapter The network adapter whose attachment needs to be changed * @note Locks this object for writing. LogFlowThisFunc((
"pszDevice=%p:{%s} uInstance=%u uLun=%u aNetworkAdapter=%p\n",
/* We will need to release the write lock before calling EMT */ * Call worker in EMT, that's faster and safer than doing everything * using VM3ReqCall. Note that we separate VMR3ReqCall from VMR3ReqWait * here to make requests from under the lock in order to serialize them. /* leave the lock before waiting for a result (EMT will call us back!) */ tr(
"Could not change the network adaptor attachement type (%Rrc)"),
* Performs the Network Adaptor change in EMT. * @returns VBox status code. * @param pThis Pointer to the Console object. * @param pszDevice The PDM device name. * @param uInstance The PDM device instance. * @param uLun The PDM LUN number of the drive. * @param aNetworkAdapter The network adapter whose attachment needs to be changed * @note Locks the Console object for writing. LogFlowFunc((
"pThis=%p pszDevice=%p:{%s} uInstance=%u uLun=%u aNetworkAdapter=%p\n",
* The VM must not be running since it might have pending I/O to * the drive which is being changed. /* disable the callback to prevent Console-level state change */ * Resume the VM if necessary. /* disable the callback to prevent Console-level state change */ /* too bad, we failed. try to sync the console state with the VMM state */ /// @todo (r=dmik) if we failed with drive mount, then the VMR3Resume // error (if any) will be hidden from the caller. For proper reporting // of such multiple errors to the caller we need to enhance the // IVirtualBoxError interface. For now, give the first error the higher #
endif /* VBOX_DYNAMIC_NET_ATTACH */ * Called by IInternalSessionControl::OnSerialPortChange(). * @note Locks this object for writing. /* Don't do anything if the VM isn't running */ /* nothing to do so far */ /* notify console callbacks on success */ * Called by IInternalSessionControl::OnParallelPortChange(). * @note Locks this object for writing. /* Don't do anything if the VM isn't running */ /* nothing to do so far */ /* notify console callbacks on success */ * Called by IInternalSessionControl::OnStorageControllerChange(). * @note Locks this object for writing. /* Don't do anything if the VM isn't running */ /* nothing to do so far */ /* notify console callbacks on success */ * Called by IInternalSessionControl::OnMediumChange(). * @note Locks this object for writing. /* Don't do anything if the VM isn't running */ /* notify console callbacks on success */ * Called by IInternalSessionControl::OnVRDPServerChange(). * @note Locks this object for writing. /* VRDP server may call this Console object back from other threads (VRDP INPUT or OUTPUT). */ // If there was no VRDP server started the 'stop' will do nothing. // However if a server was started and this notification was called, // we have to restart the server. /* notify console callbacks on success */ * Called by IInternalSessionControl::OnUSBControllerChange(). * @note Locks this object for writing. /* Ignore if no VM is running yet. */ // check for the Enabled state and disable virtual USB controller?? // Anyway, if we want to query the machine's USB Controller we need to cache // it to mUSBController in #init() (as it is done with mDVDDrive). // bird: While the VM supports hot-plugging, I doubt any guest can handle it at this time... :-) // AutoVMCaller autoVMCaller(this); // CheckComRCReturnRC(autoVMCaller.rc()); /* notify console callbacks on success */ * Called by IInternalSessionControl::OnSharedFolderChange(). * @note Locks this object for writing. /* notify console callbacks on success */ * Called by IInternalSessionControl::OnUSBDeviceAttach() or locally by * processRemoteUSBDevices() after IInternalMachineControl::RunUSBDeviceFilters() * returns TRUE for a given remote USB device. * @return S_OK if the device was attached to the VM. * @return failure if not attached. * The device in question. * The interfaces to hide from the guest. * @note Locks this object for writing. /* protect mpVM (we don't need error info, since it's a callback) */ /* The VM may be no more operational when this message arrives * (e.g. it may be Saving or Stopping or just PoweredOff) -- * autoVMCaller.rc() will return a failure in this case. */ /* notify callbacks about the error */ /* Don't proceed unless there's at least one USB hub. */ /* take the current error info */ /* the error must be a VirtualBoxErrorInfo instance */ /* notify callbacks about the error */ #
else /* !VBOX_WITH_USB */#
endif /* !VBOX_WITH_USB */ * Called by IInternalSessionControl::OnUSBDeviceDetach() and locally by * processRemoteUSBDevices(). * @note Locks this object for writing. /* The VM may be no more operational when this message arrives * (e.g. it may be Saving or Stopping or just PoweredOff). Use * AutoVMCaller to detect it -- AutoVMCaller::rc() will return a * failure in this case. */ /* the device must be in the list otherwise */ /* notify callback about an error */ /* take the current error info */ /* the error must be a VirtualBoxErrorInfo instance */ /* notify callbacks about the error */ #
else /* !VBOX_WITH_USB */#
endif /* !VBOX_WITH_USB */ * @note Temporarily locks this object for writing. /* protect mpVM (if not NULL) */ /* Note: validity of mVMMDev which is bound to uninit() is guaranteed by * autoVMCaller, so there is no need to hold a lock of this */ /* The + 1 is the null terminator */ /* The returned string should never be able to be greater than our buffer */ tr(
"The service call failed with the error %Rrc"),
#
endif /* VBOX_WITH_GUEST_PROPS */ * @note Temporarily locks this object for writing. /* protect mpVM (if not NULL) */ /* Note: validity of mVMMDev which is bound to uninit() is guaranteed by * autoVMCaller, so there is no need to hold a lock of this */ /* The + 1 is the null terminator */ /* The + 1 is the null terminator */ /* The + 1 is the null terminator */ tr(
"The service call failed with the error %Rrc"),
#
endif /* VBOX_WITH_GUEST_PROPS */ * @note Temporarily locks this object for writing. /* protect mpVM (if not NULL) */ /* Note: validity of mVMMDev which is bound to uninit() is guaranteed by * autoVMCaller, so there is no need to hold a lock of this */ #
endif /* VBOX_WITH_GUEST_PROPS */ * Gets called by Session::UpdateMachineState() * (IInternalSessionControl::updateMachineState()). * Must be called only in certain cases (see the implementation). * @note Locks this object for writing. * @note Locks this object for writing. LogFlowThisFunc((
"fVisible=%d, fAlpha=%d, xHot = %d, yHot = %d, width=%d, height=%d, shape=%p\n",
/* We need a write lock because we alter the cached callback data */ /* Save the callback arguments */ /* start with not valid */ cb = ((
cb +
3) & ~
3) +
width *
4 *
height;
/* + gap + size of the XOR mask */ /* try to reuse the old shape buffer if the size is the same */ * @note Locks this object for writing. /* We need a write lock because we alter the cached callback data */ /* save the callback arguments */ Log2((
"Console::onMouseCapabilityChange: calling %p\n", (
void*)*
it));
* @note Locks this object for reading. * @note Locks this object for reading. * @note Locks this object for reading. /** @todo Use the On-Screen Display feature to report the fact. * The user should be told to install additions that are * provided with the current VBox build: * VBOX_VERSION_MAJOR.VBOX_VERSION_MINOR.VBOX_VERSION_BUILD * @note Locks this object for writing. /* We need a write lock because we alter the cached callback data */ /* save the callback arguments */ * @note Locks this object for reading. * @note Locks this object for reading. * @note Locks this object for reading. /* only one callback may return non-null winId */ //////////////////////////////////////////////////////////////////////////////// * Increases the usage counter of the mpVM pointer. Guarantees that * VMR3Destroy() will not be called on it at least until releaseVMCaller() * If this method returns a failure, the caller is not allowed to use mpVM * and may return the failed result code to the upper level. This method sets * the extended error info on failure if \a aQuiet is false. * Setting \a aQuiet to true is useful for methods that don't want to return * the failed result code to the caller when this method fails (e.g. need to * silently check for the mpVM availability). * When mpVM is NULL but \a aAllowNullVM is true, a corresponding error will be * returned instead of asserting. Having it false is intended as a sanity check * for methods that have checked mMachineState and expect mpVM *NOT* to be NULL. * @param aQuiet true to suppress setting error info * @param aAllowNullVM true to accept mpVM being NULL and return a failure * (otherwise this method will assert if mpVM is NULL) * @note Locks this object for writing. /* powerDown() is waiting for all callers to finish */ tr(
"Virtual machine is being powered down"));
/* The machine is not powered up */ tr(
"Virtual machine is not powered up"));
* Decreases the usage counter of the mpVM pointer. Must always complete * the addVMCaller() call after the mpVM pointer is no more necessary. * @note Locks this object for writing. /* inform powerDown() there are no more callers */ * Initialize the release logging facility. In case something * goes wrong, there will be no release logging. Maybe in the future * we can add some logic to use different file names in this case. * Note that the logic must be in sync with Machine::DeleteSettings(). /* make sure the Logs folder exists */ * Rename .(n-1) to .(n), .(n-2) to .(n-1), ..., and the last log file to .1 * Overwrite target files in case they exist. /* If the old file doesn't exist, delete the new file (if it * exists) to provide correct rotation even if the sequence is /* some introductory information */ "VirtualBox %s r%u %s (%s %s) release log\n" /* the package type is interesting for Linux distributions */ /* register this logger as the release logger */ tr(
"Failed to open release log (%s, %Rrc)"),
* Common worker for PowerUp and PowerUpPaused. * @returns COM status code. * @param aProgress Where to return the progress object. * @param aPaused true if PowerUpPaused called. * @todo move down to powerDown(); tr(
"Virtual machine is already running or busy (machine state: %d)"),
/* the network cards will undergo a quick consistency check */ /* a valid host interface must have been set */ tr(
"VM cannot start because host interface networking requires a host interface name to be set"));
tr(
"VM cannot start because the host interface '%ls' does not exist"),
#
endif /* RT_OS_WINDOWS */ /* Read console data stored in the saved state file (if not yet done) */ /* Check all types of shared folders and compose a single list */ /* first, insert global folders */ /* second, insert machine folders */ /* third, insert console folders */ * Saved VMs will have to prove that their saved states seem kosher. tr(
"VM cannot start because the saved state file '%ls' is invalid (%Rrc). Discard the saved state prior to starting the VM"),
/* create a progress object to track progress of this operation */ /* setup task object and thread to carry out the operation /* test and clear the LiveMigrationTarget property */ /* Reset differencing hard disks for which autoReset is true */ /** @todo later applies to floppies as well */ /* save for later use on the powerup thread */ /* save for later use on the powerup thread */ /* pass the progress object to the caller if requested */ /* there are no other operations to track, return the powerup /* create a combined progress object */ /* task is now owned by powerUpThread(), so release it */ /* finally, set the state: no right to fail in this method afterwards * since we've already started the thread and it is now responsible for * any error reporting and appropriate state change! */ * Internal power off worker routine. * This method may be called only at certain places with the following meaning * - if the machine state is either Running or Paused, a normal * Console-initiated powerdown takes place (e.g. PowerDown()); * - if the machine state is Saving, saveStateThread() has successfully done its * - if the machine state is Starting or Restoring, powerUpThread() has failed * - if the machine state is Stopping, the VM has powered itself off (i.e. not * as a result of the powerDown() call). * Calling it in situations other than the above will cause unexpected behavior. * Note that this method should be the only one that destroys mpVM and sets it * @param aProgress Progress object to run (may be NULL). * @note Locks this object for writing. * @note Never call this method from a thread that called addVMCaller() or * instantiated an AutoVMCaller object; first call releaseVMCaller() or * release(). Otherwise it will deadlock. /* Total # of steps for the progress object. Must correspond to the * number of "advance percent count" comments in this method! */ LogRel((
"Console::powerDown(): A request to power off the VM has been issued (mMachineState=%d, InUninit=%d)\n",
/* Check if we need to power off the VM. In case of mVMPoweredOff=true, the * VM has already powered itself off in vmstateChangeCallback() and is just * notifying Console about that. In case of Starting or Restoring, * powerUpThread() is calling us on failure, so the VM is already off at /* go to Stopping state if not already there. Note that we don't go from * set the state to Saved on VMSTATE_TERMINATED. In terms of protecting from * inappropriate operations while leaving the lock below, Saving or * Restoring should be fine too */ /* ---------------------------------------------------------------------- * DONE with necessary state changes, perform the power down actions (it's * safe to leave the object lock now if needed) * ---------------------------------------------------------------------- */ /* Stop the VRDP server to prevent new clients connection while VM is being /* Leave the lock since EMT will call us back as addVMCaller() * in updateDisplayData(). */ /* advance percent count */ /* Save all guest property store entries to the machine XML file */ /* PushGuestProperties() calls DiscardSettings(), which calls us back */ /* advance percent count */ #
endif /* VBOX_WITH_GUEST_PROPS defined */ /* Shutdown HGCM services before stopping the guest, because they might /* Leave the lock since EMT will call us back as addVMCaller() */ /* advance percent count */ #
endif /* VBOX_WITH_HGCM */ /* ---------------------------------------------------------------------- * Now, wait for all mpVM callers to finish their work if there are still * some on other threads. NO methods that need mpVM (or initiate other calls * that need it) may be called after this point * ---------------------------------------------------------------------- */ /* go to the destroying state to prevent from adding new callers */ /* advance percent count */ /* Power off the VM if not already done that */ /* Leave the lock since EMT will call us back on VMR3PowerOff() */ /* Note that VMR3PowerOff() may fail here (invalid VMSTATE) if the * VM-(guest-)initiated power off happened in parallel a ms before this * call. So far, we let this error pop up on the user's side. */ /* reset the flag for further re-use */ /* advance percent count */ /* If we are called from Console::uninit(), then try to destroy the VM even * on failure (this will most likely fail too, but what to do?..) */ /* If the machine has an USB comtroller, release all USB devices * (symmetric to the code in captureUSBDevices()) */ /* Now we've got to destroy the VM as well. (mpVM is not valid beyond * this point). We leave the lock before calling VMR3Destroy() because * it will result into calling destructors of drivers associated with * Console children which may in turn try to lock Console (e.g. by * instantiating SafeVMPtr to access mpVM). It's safe here because * mVMDestroying is set which should prevent any activity. */ /* Set mpVM to NULL early just in case if some old code is not using * addVMCaller()/releaseVMCaller(). */ /* take the lock again */ /* advance percent count */ /* Note: the Console-level machine state change happens on the * VMSTATE_TERMINATE state change in vmstateChangeCallback(). If * powerDown() is called from EMT (i.e. from vmstateChangeCallback() * on receiving VM-initiated VMSTATE_OFF), VMSTATE_TERMINATE hasn't * occurred yet. This is okay, because mMachineState is already * Stopping in this case, so any other attempt to call PowerDown() /* bad bad bad, but what to do? */ tr(
"Could not destroy the machine. (Error: %Rrc)"),
/* Complete the detaching of the USB devices. */ /* advance percent count */ tr(
"Could not power off the machine. (Error: %Rrc)"),
/* Finished with destruction. Note that if something impossible happened and * we've failed to destroy the VM, mVMDestroying will remain true and * mMachineState will be something like Stopping, so most Console methods * will return an error to the caller. */ /* uninit dynamically allocated members of mCallbackData */ /* complete the progress */ * @note Locks this object for writing. // possibly, we need to redo onStateChange() using the dedicated // Event thread, like it is done in VirtualBox. This will make it // much safer (no deadlocks possible if someone tries to use the // console from the callback), however, listeners will lose the // ability to synchronously react to state changes (is it really /* Server notification MUST be done from under the lock; otherwise * the machine state here and on the server might go out of sync * which can lead to various unexpected results (like the machine * state being >= MachineState_Running on the server, while the * session state is already SessionState_Closed at the same time * Cross-lock conditions should be carefully watched out: calling * UpdateState we will require Machine and SessionMachine locks * (remember that here we're holding the Console lock here, and also * all locks that have been entered by the thread before calling * Searches for a shared folder with the given logical name * in the collection of shared folders. * @param aName logical name of the shared folder * @param aSharedFolder where to return the found object * @param aSetError whether to set the error info if the folder is * S_OK when found or E_INVALIDARG when not found * @note The caller must lock this object for writing. tr(
"Could not find a shared folder named '%ls'."),
* Fetches the list of global or machine shared folders from the server. * @param aGlobal true to fetch global folders. * @note The caller must lock this object for writing. /* protect mpVM (if not NULL) */ /// @todo grab & process global folders when they are done /* send changes to HGCM if the VM is running */ /// @todo report errors as runtime warnings through VMSetError /* a new machine folder is added or * the existing machine folder is changed */ ;
/* the console folder exists, nothing to do */ /* remove the old machine folder (when changed) * or the global folder if any (when new) */ /* create the new machine folder */ /* forget the processed (or identical) folder */ /* process outdated (removed) folders */ /// @todo report errors as runtime warnings through VMSetError ;
/* the console folder exists, nothing to do */ /* remove the outdated machine folder */ /* create the global folder if there is any */ * Searches for a shared folder with the given name in the list of machine * shared folders and then in the list of the global shared folders. * @param aName Name of the folder to search for. * @param aIt Where to store the pointer to the found folder. * @return @c true if the folder was found and @c false otherwise. * @note The caller must lock this object for reading. /* first, search machine folders */ /* second, search machine folders */ * Calls the HGCM service to add a shared folder definition. * @param aName Shared folder name. * @param aHostPath Shared folder path. * @note Must be called from under AutoVMCaller and when mpVM != NULL! * @note Doesn't lock anything. tr(
"Could not create a shared folder '%ls' mapped to '%ls' (%Rrc)"),
* Calls the HGCM service to remove the shared folder definition. * @param aName Shared folder name. * @note Must be called from under AutoVMCaller and when mpVM != NULL! * @note Doesn't lock anything. Log((
"Removing shared folder '%ls'\n",
aName));
tr(
"Could not remove the shared folder '%ls' (%Rrc)"),
* VM state callback function. Called by the VMM * using its state machine states. * Primarily used to handle VM initiated power off, suspend and state saving, * but also for doing termination completed work (VMSTATE_TERMINATE). * In general this function is called in the context of the EMT. * @param aVM The VM handle. * @param aState The new state. * @param aOldState The old state. * @param aUser The user argument (pointer to the Console object). * @note Locks the Console object for writing. LogFlowFunc((
"Changing state from %d to %d (aVM=%p)\n",
/* Note that we must let this method proceed even if Console::uninit() has * been already called. In such case this VMSTATE change is a result of: * 1) powerDown() called from uninit() itself, or * 2) VM-(guest-)initiated power off. */ /* Do we still think that it is running? It may happen if this is a LogFlowFunc((
"VM has powered itself off but Console still thinks it is running. Notifying.\n"));
/* prevent powerDown() from calling VMR3PowerOff() again */ /* we are stopping now */ /* Setup task object and thread to carry out the operation * asynchronously (if we call powerDown() right here but there * is one or more mpVM callers (added with addVMCaller()) we'll /* If creating a task is falied, this can currently mean one of * two: either Console::uninit() has been called just a ms * before (so a powerDown() call is already on the way), or * powerDown() itself is being already executed. Just do LogFlowFunc((
"Console is already being uninitialized.\n"));
/* task is now owned by powerDownThread(), so release it */ /* The VM has been completely destroyed. * Note: This state change can happen at two points: * 1) At the end of VMR3Destroy() if it was not called from EMT. * 2) At the end of vmR3EmulationThread if VMR3Destroy() was /* Terminate host interface networking. If aVM is NULL, we've been * manually called from powerUpThread() either before calling * VMR3Create() or after VMR3Create() failed, so no need to touch /* From now on the machine is officially powered down or remains in /* successfully powered down */ /* successfully saved (note that the machine is already in * the Saved state on the server due to EndSavingState() * called from saveStateThread(), so only change the local /* failed to start, but be patient: set back to PoweredOff * (for similarity with the below) */ /* failed to load the saved state file, but be patient: set * back to Saved (to preserve the saved state file) */ /** @todo state/live VMSTATE_SUSPENDING_LS. */ /* Change the machine state from Running to Paused. */ /* Change the machine state from Starting, Restoring or Paused /* Fatal errors are only for running VMs. */ /* Note! 'Pause' is used here in want of something better. There * are currently only two places where fatal errors might be * raised, so it is not worth adding a new externally * visible state for this yet. */ /* Guru are only for running VMs */ default:
/* shut up gcc */ * Sends a request to VMM to attach the given host device. * After this method succeeds, the attached device will appear in the * mUSBDevices collection. * @param aHostDevice device to attach * @note Synchronously calls EMT. * @note Must be called from under this object's lock. /* still want a lock object because we need to leave it */ * Get the address and the Uuid, and call the pfnCreateProxyDevice roothub * method in EMT (using usbAttachCallback()). /* leave the lock before a VMR3* call (EMT will call us back)! */ /** @todo just do everything here and only wrap the PDMR3Usb call. That'll offload some notification stuff from the EMT thread. */ tr(
"Failed to attach the USB device. (No available ports on the USB controller)."));
tr(
"Not permitted to open the USB device, check usbfs options"));
tr(
"Failed to create a proxy device for the USB device. (Error: %Rrc)"),
* USB device attach callback used by AttachUSBDevice(). * Note that AttachUSBDevice() doesn't return until this callback is executed, * so we don't use AutoCaller and don't care about reference counters of * interface pointers passed in. * @note Locks the console object for writing. /* Create a OUSBDevice and add it to the device list */ * Sends a request to VMM to detach the given host device. After this method * succeeds, the detached device will disappear from the mUSBDevices * @param aIt Iterator pointing to the device to detach. * @note Synchronously calls EMT. * @note Must be called from under this object's lock. /* still want a lock object because we need to leave it */ /* if the device is attached, then there must at least one USB hub. */ /* leave the lock before a VMR3* call (EMT will call us back)! */ /** @todo just do everything here and only wrap the PDMR3Usb call. That'll offload some notification stuff from the EMT thread. */ * USB device detach callback used by DetachUSBDevice(). * Note that DetachUSBDevice() doesn't return until this callback is executed, * so we don't use AutoCaller and don't care about reference counters of * interface pointers passed in. * @note Locks the console object for writing. * If that was a remote device, release the backend pointer. * The pointer was requested in usbAttachCallback. /* Remove the device from the collection */ #
endif /* VBOX_WITH_USB */ * Helper function to handle host interface device creation and attachment. * @param networkAdapter the network adapter which attachment should be reset * @return COM status code * @note The caller must lock this object for writing. * @todo Move this back into the driver! #
endif /* VBOX_STRICT */ * Allocate a host interface device /* The name of the TAP interface we are using */ LogRel((
"No TAP device name was supplied.\n"));
rc =
setError(
E_FAIL,
tr(
"No TAP device name was supplied for the host networking interface"));
/* If we are using a static TAP device then try to open it. */ tr(
"Failed to open the host network interface %ls"),
* Here is the right place to communicate the TAP file descriptor and * the host interface name to the server if/when it becomes really tr(
"could not set up the host networking device for non blocking access: %s"),
/* will be handled by our caller */ tr(
"Could not set up the host networking device: %Rrc"),
/* The name of the TAP interface we are using */ LogRel((
"No TAP device name was supplied.\n"));
rc =
setError(
E_FAIL,
tr(
"No TAP device name was supplied for the host networking interface"));
/* If we are using a static TAP device then try to open it. */ /* will be handled by our caller */ tr(
"Failed to open the host network interface %ls"),
/* in case of failure, cleanup. */ LogRel((
"General failure attaching to host interface\n"));
tr(
"General failure attaching to host interface"));
* Helper function to handle detachment from a host interface * @param networkAdapter the network adapter which attachment should be reset * @return COM status code * @note The caller must lock this object for writing. * @todo Move this back into the driver! #
endif /* VBOX_STRICT */ /* is there an open TAP device? */ /* If the name is empty, this is a dynamic TAP device, so close it now, so that the termination script can remove the interface. Otherwise we still need the FD to pass to the termination script. */ /* If we are using a static TAP device, we close it now, after having called the /* the TAP device name and handle are no longer valid */ #
endif /* (RT_OS_LINUX || RT_OS_FREEBSD) && !VBOX_WITH_NETFLT */ * Called at power down to terminate host interface networking. * @note The caller must lock this object for writing. * host interface termination handling * Process callback handler for VMR3LoadFromFile, VMR3LoadFromStream, VMR3Save * @param pVM The VM handle. * @param uPercent Completetion precentage (0-100). * @param pvUser Pointer to the VMProgressTask structure. /* update the progress object */ * VM error callback function. Called by the various VM components. * @param pVM VM handle. Can be NULL if an error occurred before * successfully creating a VM. * @param pvUser Pointer to the VMProgressTask structure. * @param rc VBox status code. * @param pszFormat Printf-like error message. * @param args Various number of arguments for the error message. * @thread EMT, VMPowerUp... * @note The VMProgressTask structure modified by this callback is not thread /* we ignore RT_SRC_POS_DECL arguments to avoid confusion of end-users */ /* append to the existing error message if any */ * VM runtime error callback function. * See VMSetRuntimeError for the detailed description of parameters. * @param pVM The VM handle. * @param pvUser The user argument. * @param fFlags The action flags. See VMSETRTERR_FLAGS_*. * @param pszErrorId Error ID string. * @param pszFormat Error message format string. * @param va Error message arguments. LogRel((
"Console: VM runtime error: fatal=%RTbool, errorID=%s message=\"%s\"\n",
* Captures USB devices that match filters of the VM. * @param pVM The VM handle. * @note The caller must lock this object for writing. /* If the machine has an USB controller, ask the USB proxy service to /* leave the lock before calling Host in VBoxSVC since Host may call * us back from under its lock (e.g. onUSBDeviceAttach()) which would * produce an inter-process dead-lock otherwise. */ * Detach all USB device which are attached to the VM for the * purpose of clean up and such like. * @note The caller must lock this object for writing. /* leave the lock before calling Host in VBoxSVC since Host may call * us back from under its lock (e.g. onUSBDeviceAttach()) which would * produce an inter-process dead-lock otherwise. */ * @note Locks this object for writing. /* Console has been already uninitialized, deny request */ * Mark all existing remote USB devices as dirty. * Process the pDevList and add devices those are not already in the mRemoteUSBDevices list. /** @todo (sunlover) REMOTE_USB Strict validation of the pDevList. */ /* The cbDevList condition must be checked first, because the function can * receive pDevList = NULL and cbDevList = 0 on client disconnect. /* The device is already in the list. */ LogRel((
"Remote USB: ++++ Vendor %04X. Product %04X. Name = [%s].\n",
/* Create the device object and add the new device to list. */ /* Check if the device is ok for current USB filters. */ /// @todo (r=dmik) warning reporting subsystem * Remove dirty devices, that is those which are not reported by the server anymore. LogRel((
"Remote USB: ---- Vendor %04X. Product %04X. Name = [%ls].\n",
/* Detach the device from VM. */ /* And remove it from the list. */ * Thread function which starts the VM (also from saved state) and * @param Thread The thread id. * @param pvUser Pointer to a VMPowerUpTask structure. * @return VINF_SUCCESS (ignored). * @note Locks the Console object for writing. /* Set up a build identifier so that it can be seen from core dumps what * exact build was used to produce the core. */ /* Note: no need to use addCaller() because VMPowerUpTask does that */ /* The lock is also used as a signal from the task initiator (which * releases it only after RTThreadCreate()) that we can start the job */ /* wait for auto reset ops to complete so that we can successfully lock * the attached hard disks by calling LockMedia() below */ /* lock attached media. This method will also check their * accessibility. Note that the media will be unlocked automatically * by SessionMachine::setMachineState() when the VM is powered down. */ /* Create the VRDP server. In case of headless operation, this will * also create the framebuffer, required at VM creation. /* Does VRDP server call Console from the other thread? * Not sure (and can change), so leave the lock just in case. LogRel((
"Warning: failed to launch VRDP server (%Rrc): '%s'\n",
LogRel((
"Failed to launch VRDP server (%Rrc), error message: '%s'\n",
#
endif /* VBOX_WITH_VRDP */ * leave the lock since EMT will call Console. It's safe because * mMachineState is either Starting or Restoring state here. /* Enable client connections to the server. */ #
endif /* VBOX_WITH_VRDP */ * Register our load/save state file handlers * Synchronize debugger settings /* Does the code below call Console from the other thread? * Not sure, so leave the lock just in case. */ /* enter the lock again */ /* leave the lock before a lengthy operation */ /* Power off in case we failed loading or resuming the VM */ /* Power on the VM (i.e. start executing) */ /* enter the lock again */ /* On failure, destroy the VM */ /* preserve existing error info */ /* powerDown() will call VMR3Destroy() and do all necessary * cleanup (VRDP, USB devices) */ * Deregister the VMSetError callback. This is necessary as the * pfnVMAtError() function passed to VMR3Create() is supposed to * be sticky but our error callback isn't. /** @todo register another VMSetError callback? */ * If VMR3Create() failed it has released the VM memory. /* If VMR3Create() or one of the other calls in this function fail, * an appropriate error message has been set in task->mErrorMsg. * However since that happens via a callback, the rc status code in * this function is not updated. /* If the error message is not set but we've got a failure, * convert the VBox status code into a meaningfulerror message. * This becomes unused once all the sources of errors set the * appropriate error message themselves. /* Set the error message as the COM error. * Progress::notifyComplete() will pick it up later. */ * 1) we failed before VMR3Create() was called; * 2) VMR3Create() failed. * In both cases, there is no need to call powerDown(), but we still * vmstateChangeCallback() for that purpose. /* preserve existing error info */ * Evaluate the final result. Note that the appropriate mMachineState value * is already set by vmstateChangeCallback() in all cases. /* leave the lock, don't need it any more */ /* Notify the progress object of the success */ /* The progress object will fetch the current error info */ LogRel((
"Power up failed (vrc=%Rrc, rc=%Rhrc (%#08X))\n",
vrc,
rc,
rc));
* @param pVM The VM handle. * @param lInstance The instance of the controller. * @param enmController The type of the controller. * @param hda The harddisk attachment. * @param phrc Where to store com error - only valid if we return VERR_GENERAL_FAILURE. * @return VBox status code. * Figure out which IDE device this is. /** @todo this should be unified with the relevant part of * Console::configConstructor to avoid inconsistencies. */ * Is there an existing LUN? If not create it. * We ASSUME that this will NEVER collide with the DVD. /* SCSI has an extra driver between the device and the block driver. */ /* Here used to be a lot of code checking if things have changed, * but that's not really worth it, as with snapshots there is always * some change, so the code was just logging useless information in * a hard to analyze form. */ * Detach the driver and replace the config node. * Create the driver configuration. /* Pass all custom parameters. */ /* Create an inversed tree of parents. */ /* Pass all custom parameters. */ /* Custom code: put marker to not use host IP stack to driver * configuration node. Simplifies life of DrvVD a bit. */ * Worker thread created by Console::TakeSnapshot. * @param Thread The current thread (ignored). * @param pvUser The task. * @return VINF_SUCCESS (ignored). // taking a snapshot consists of the following: // 1) creating a diff image for each virtual hard disk, into which write operations go after // the snapshot has been created (done in VBoxSVC, in SessionMachine::BeginTakingSnapshot) // 2) creating a Snapshot object with the state of the machine (hardware + storage, // done in VBoxSVC, also in SessionMachine::BeginTakingSnapshot) // 3) saving the state of the virtual machine (here, in the VM process, if the machine is online) * request creating the diff images on the server and create the snapshot object * (this will set the machine state to Saving on the server to block * others from accessing this machine) * state file is non-null only when the VM is paused * (i.e. creating a snapshot online) /* sync the state with the server */ // STEP 3: save the VM state (if online) pTask->
ulMemSize);
// operation weight, same as computed when setting up progress object true /*fContinueAfterwards*/,
tr(
"Failed to save the machine state to '%s' (%Rrc)"),
// STEP 4: reattach hard disks LogFlowFunc((
"Reattaching new differencing hard disks...\n"));
1);
// operation weight, same as computed when setting up progress object * We can't pass a storage controller object directly * (g++ complains about not being able to pass non POD types through '...') * so we have to query needed values here and pass them. * don't leave the lock since reconfigureHardDisks isn't going * finalize the requested snapshot object. * This will reset the machine state to the state it had right * before calling mControl->BeginTakingSnapshot(). // do not throw rc here because we can't call EndTakingSnapshot() twice /* preserve existing error info */ /* restore the paused state if appropriate */ /* restore the running state if appropriate */ * Thread for executing the saved state operation. * @param Thread The thread handle. * @param pvUser Pointer to a VMSaveTask structure. * @return VINF_SUCCESS (ignored). * @note Locks the Console object for writing. false,
/*fContinueAfterwards*/ /* lock the console once we're going to access it */ * finalize the requested save state procedure. * In case of success, the server will set the machine state to Saved; * in case of failure it will reset the it to the state it had right * before calling mControl->BeginSavingState(). /* synchronize the state with the server */ * The machine has been successfully saved, so power it down * (vmstateChangeCallback() will set state to Saved on success). * Note: we release the task's VM caller, otherwise it will /* notify the progress object about operation completion */ * Thread for powering down the Console. * @param Thread The thread handle. * @param pvUser Pointer to the VMTask structure. * @return VINF_SUCCESS (ignored). * @note Locks the Console object for writing. /* Note: no need to use addCaller() to protect Console because VMTask does /* wait until the method tat started us returns */ /* release VM caller to avoid the powerDown() deadlock */ * The Main status driver instance data. /** The LED connectors. */ /** Pointer to the LED ports interface above us. */ /** Pointer to the array of LED pointers. */ /** The unit number corresponding to the first entry in the LED array. */ /** The unit number corresponding to the last entry in the LED array. * (The size of the LED array is iLastLUN - iFirstLUN + 1.) */ * Notification about a unit which have been changed. * The driver must discard any pointers to data owned by * the unit and requery it. * @param pInterface Pointer to the interface structure containing the called function pointer. * @param iLUN The unit number. Log((
"drvStatus_UnitChanged: iLUN=%d pLed=%p\n",
iLUN,
pLed));
* Queries an interface to the driver. * @returns Pointer to interface. * @returns NULL if the interface was not supported by the driver. * @param pInterface Pointer to this interface structure. * @param enmInterface The requested interface identification. * Destruct a status driver instance. * @param pDrvIns The driver instance data. * Construct a status driver instance. * @copydoc FNPDMDRVCONSTRUCT * Validate configuration. (
"Configuration error: Not possible to attach anything to this driver!\n"),
AssertMsgFailed((
"Configuration error: Failed to query the \"papLeds\" value! rc=%Rrc\n",
rc));
AssertMsgFailed((
"Configuration error: Failed to query the \"First\" value! rc=%Rrc\n",
rc));
AssertMsgFailed((
"Configuration error: Failed to query the \"Last\" value! rc=%Rrc\n",
rc));
* Get the ILedPorts interface of the above driver/device and * query the LEDs we want. * Keyboard driver registration record. "Main status driver (Main as in the API).",
/* vi: set tabstop=4 shiftwidth=4 expandtab: */