/*
* Shutdown hardware resources used by a VM.
* The CPU must have been stopped.
*/
int vm_hardware_shutdown(vm_instance_t *vm)
{
int i;
if ((vm->status == VM_STATUS_HALTED) || !vm->cpu_group) {
vm_log(vm,"VM","trying to shutdown an inactive VM.\n");
return(-1);
}
vm_log(vm,"VM","shutdown procedure engaged.\n");
/* Mark the VM as halted */
vm->status = VM_STATUS_HALTED;
/* Free the object list */
vm_object_free_list(vm);
/* Free resources used by PCI busses */
vm_log(vm,"VM","removing PCI busses.\n");
pci_io_data_remove(vm,vm->pci_io_space);
pci_bus_remove(vm->pci_bus[0]);
pci_bus_remove(vm->pci_bus[1]);
vm->pci_bus[0] = vm->pci_bus[1] = NULL;
/* Free the PCI bus pool */
for(i=0;i<VM_PCI_POOL_SIZE;i++) {
if (vm->pci_bus_pool[i] != NULL) {
pci_bus_remove(vm->pci_bus_pool[i]);
vm->pci_bus_pool[i] = NULL;
}
}
/* Remove the IRQ routing vectors */
vm->set_irq = NULL;
vm->clear_irq = NULL;
/* Delete the VTTY for Console and AUX ports */
vm_log(vm,"VM","deleting VTTY.\n");
vm_delete_vtty(vm);
/* Delete system CPU group */
vm_log(vm,"VM","deleting system CPUs.\n");
cpu_group_delete(vm->cpu_group);
vm->cpu_group = NULL;
vm->boot_cpu = NULL;
vm_log(vm,"VM","shutdown procedure completed.\n");
m_log("VM","VM %s shutdown.\n",vm->name);
return(0);
}
static int pci_bus_remove_wrapper(struct device *dev)
{
int r;
struct pci_dev *pci_dev = to_pci_dev(dev);
struct physdev_manage_pci manage_pci;
manage_pci.bus = pci_dev->bus->number;
manage_pci.devfn = pci_dev->devfn;
r = pci_bus_remove(dev);
/* dev and pci_dev are no longer valid!! */
#ifndef __ia64__
WARN_ON(HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_remove,
&manage_pci));
#endif
return r;
}