Revision e348918e include/HostShare.h
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int from_xml_node(const xmlNodePtr node); |
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/** |
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* Test wether this PCI device set has the requested devices available. |
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* Test whether this PCI device set has the requested devices available.
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* @param devs list of requested devices by the VM. |
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* @return true if all the devices are available. |
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*/ |
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bool test(vector<Attribute *> &devs) |
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{
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return test_set(devs, -1); |
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} |
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bool test(vector<Attribute *> &devs) const; |
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/** |
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* Assign the requested devices to the given VM. The assgined devices will
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* Assign the requested devices to the given VM. The assigned devices will
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* be labeled with the VM and the PCI attribute of the VM extended with |
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* the address of the assigned devices. |
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* @param devs list of requested PCI devices, will include address of |
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* assgined devices.
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* assigned devices.
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* @param vmid of the VM |
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*/ |
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void add(vector<Attribute *> &devs, int vmid) |
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} |
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/** |
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* Remove the VM assigment from the PCI device list |
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* Remove the VM assignment from the PCI device list
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*/ |
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void del(const vector<Attribute *> &devs); |
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/** |
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* Test if a PCIDevice matches the vendor, device and class request spec |
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* and can be assigned. It will assgin it if requested.
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* and can be assigned. If free, it is stored in the assigned set
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* @param vendor_id id in uint form 0 means * |
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* @param device_id id in uint form 0 means * |
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* @param class_id id in uint form 0 means * |
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* @param pci requested pci device |
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* @param vmid if not -1 it will also assign the PCI device to the VM, |
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* and the pci attribute will be extended with device information. |
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* @param assgined set of addresses already assgined devices, it will |
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* @param assigned set of addresses already assigned devices, it will |
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* include the selected device if found; useful to iterate. |
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* |
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* @return true if a device was found. |
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*/ |
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bool test(unsigned int vendor_id, unsigned int device_id, |
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unsigned int class_id, const VectorAttribute *pci, |
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std::set<string> &assigned) const; |
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/** |
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* Test if a PCIDevice matches the vendor, device and class request spec |
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* and can be assigned. It will assign it if requested. |
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* @param vendor_id id in uint form 0 means * |
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* @param device_id id in uint form 0 means * |
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* @param class_id id in uint form 0 means * |
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* @param pci requested pci device |
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* @param vmid if not -1 it will also assign the PCI device to the VM, |
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* and the pci attribute will be extended with device information. |
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* @param assigned set of addresses already assigned devices, it will |
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* include the selected device if found; useful to iterate. |
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* |
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* @return true if a device was found. |
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*/ |
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bool test_set(unsigned int vendor_id, unsigned int device_id, |
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unsigned int class_id, VectorAttribute *pci, int vmid, |
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std::set<string> &assigned); |
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std::set<string> &assigned) const;
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/** |
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* Test if the given list of PCIDevices can be assigned to the VM |
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* @param devs, list of PCI devices |
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* @param vmid if not -1 it will assign the devices to the VM |
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* |
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* @return true if the PCIDevice list can be assgined.
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* @return true if the PCIDevice list can be assigned.
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*/ |
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bool test_set(vector<Attribute *> &devs, int vmid); |
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bool test_set(vector<Attribute *> &devs, int vmid) const;
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/** |
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* Gets a 4 hex digits value from attribute |
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* @param cpu requested by the VM |
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* @param mem requested by the VM |
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* @param disk requested by the VM |
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* @param pci_devs requested by the VM |
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* @param error Returns the error reason, if any |
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* |
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* @return true if the share can host the VM or it is the only one |
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* configured |
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*/ |
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bool test(long long cpu, long long mem, long long disk) const |
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bool test(long long cpu, long long mem, long long disk, |
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vector<Attribute *>& pci_devs, string& error) const |
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{
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return (((max_cpu - cpu_usage ) >= cpu) && |
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((max_mem - mem_usage ) >= mem) && |
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((max_disk - disk_usage) >= disk)); |
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bool pci_fits = pci.test(pci_devs); |
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bool fits = (((max_cpu - cpu_usage ) >= cpu) && |
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((max_mem - mem_usage ) >= mem) && |
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((max_disk - disk_usage) >= disk)&& |
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pci_fits); |
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if (!fits) |
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{
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if ( pci_fits ) |
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{
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error = "Not enough capacity."; |
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} |
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else |
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{
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error = "Unavailable PCI device."; |
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} |
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} |
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return fits; |
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} |
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/** |
Also available in: Unified diff