def allocate(self, instance): ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.CLAIMED) if self.status not in ok_statuses: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=ok_statuses) if (self.status == fields.PciDeviceStatus.CLAIMED and self.instance_uuid != instance['uuid']): raise exception.PciDeviceInvalidOwner( compute_node_id=self.compute_node_id, address=self.address, owner=self.instance_uuid, hopeowner=instance['uuid']) self.status = fields.PciDeviceStatus.ALLOCATED self.instance_uuid = instance['uuid'] # Notes(yjiang5): remove this check when instance object for # compute manager is finished if isinstance(instance, dict): if 'pci_devices' not in instance: instance['pci_devices'] = [] instance['pci_devices'].append(copy.copy(self)) else: instance.pci_devices.objects.append(copy.copy(self))
def free(self, instance=None): ok_statuses = (fields.PciDeviceStatus.ALLOCATED, fields.PciDeviceStatus.CLAIMED) if self.status not in ok_statuses: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=ok_statuses) if instance and self.instance_uuid != instance['uuid']: raise exception.PciDeviceInvalidOwner( compute_node_id=self.compute_node_id, address=self.address, owner=self.instance_uuid, hopeowner=instance['uuid']) old_status = self.status self.status = fields.PciDeviceStatus.AVAILABLE self.instance_uuid = None self.request_id = None if old_status == fields.PciDeviceStatus.ALLOCATED and instance: # Notes(yjiang5): remove this check when instance object for # compute manager is finished existed = next( (dev for dev in instance['pci_devices'] if dev.id == self.id)) if isinstance(instance, dict): instance['pci_devices'].remove(existed) else: instance.pci_devices.objects.remove(existed)
def remove(self): # We allow removal of a device is if it is unused. It can be unused # either by being in available state or being in a state that shows # that the parent or child device blocks the consumption of this device expected_states = [ fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.UNAVAILABLE, fields.PciDeviceStatus.UNCLAIMABLE, ] if self.status not in expected_states: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=expected_states) # Just to be on the safe side, do not allow removal of device that has # an owner even if the state of the device suggests that it is not # owned. if 'instance_uuid' in self and self.instance_uuid is not None: raise exception.PciDeviceInvalidOwner( compute_node_id=self.compute_node_id, address=self.address, owner=self.instance_uuid, hopeowner=None, ) self.status = fields.PciDeviceStatus.REMOVED self.instance_uuid = None self.request_id = None
def allocate(self, instance): ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.CLAIMED) parent_ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.UNCLAIMABLE, fields.PciDeviceStatus.UNAVAILABLE) dependants_ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.UNCLAIMABLE) if self.status not in ok_statuses: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=ok_statuses) if (self.status == fields.PciDeviceStatus.CLAIMED and self.instance_uuid != instance['uuid']): raise exception.PciDeviceInvalidOwner( compute_node_id=self.compute_node_id, address=self.address, owner=self.instance_uuid, hopeowner=instance['uuid']) if self.dev_type == fields.PciDeviceType.SRIOV_PF: vfs_list = self.child_devices if not all([vf.status in dependants_ok_statuses for vf in vfs_list]): raise exception.PciDeviceVFInvalidStatus( compute_node_id=self.compute_node_id, address=self.address) self._bulk_update_status(vfs_list, fields.PciDeviceStatus.UNAVAILABLE) elif self.dev_type in ( fields.PciDeviceType.SRIOV_VF, fields.PciDeviceType.VDPA ): parent = self.parent_device if parent: if parent.status not in parent_ok_statuses: raise exception.PciDevicePFInvalidStatus( compute_node_id=self.compute_node_id, address=self.parent_addr, status=self.status, vf_address=self.address, hopestatus=parent_ok_statuses) # Set PF status parent.status = fields.PciDeviceStatus.UNAVAILABLE else: LOG.debug('Physical function addr: %(pf_addr)s parent of ' 'VF addr: %(vf_addr)s was not found', {'pf_addr': self.parent_addr, 'vf_addr': self.address}) self.status = fields.PciDeviceStatus.ALLOCATED self.instance_uuid = instance['uuid'] # Notes(yjiang5): remove this check when instance object for # compute manager is finished if isinstance(instance, dict): if 'pci_devices' not in instance: instance['pci_devices'] = [] instance['pci_devices'].append(copy.copy(self)) else: instance.pci_devices.objects.append(copy.copy(self))
def claim(self, instance): if self.status != fields.PciDeviceStatus.AVAILABLE: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=[fields.PciDeviceStatus.AVAILABLE]) self.status = fields.PciDeviceStatus.CLAIMED self.instance_uuid = instance['uuid']
def remove(self): if self.status != fields.PciDeviceStatus.AVAILABLE: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=[fields.PciDeviceStatus.AVAILABLE]) self.status = fields.PciDeviceStatus.REMOVED self.instance_uuid = None self.request_id = None
def free(self, instance=None): ok_statuses = (fields.PciDeviceStatus.ALLOCATED, fields.PciDeviceStatus.CLAIMED) free_devs = [] if self.status not in ok_statuses: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=ok_statuses) if instance and self.instance_uuid != instance['uuid']: raise exception.PciDeviceInvalidOwner( compute_node_id=self.compute_node_id, address=self.address, owner=self.instance_uuid, hopeowner=instance['uuid']) if self.dev_type == fields.PciDeviceType.SRIOV_PF: # Set all PF dependants status to AVAILABLE vfs_list = objects.PciDeviceList.get_by_parent_address( self._context, self.compute_node_id, self.address) self._bulk_update_status(vfs_list, fields.PciDeviceStatus.AVAILABLE) free_devs.extend(vfs_list) if self.dev_type == fields.PciDeviceType.SRIOV_VF: # Set PF status to AVAILABLE if all of it's VFs are free vfs_list = objects.PciDeviceList.get_by_parent_address( self._context, self.compute_node_id, self.parent_addr) if all([vf.is_available() for vf in vfs_list if vf.id != self.id]): try: parent = self.get_by_dev_addr(self._context, self.compute_node_id, self.parent_addr) parent.status = fields.PciDeviceStatus.AVAILABLE free_devs.append(parent) except exception.PciDeviceNotFound: LOG.debug( 'Physical function addr: %(pf_addr)s parent of ' 'VF addr: %(vf_addr)s was not found', { 'pf_addr': self.parent_addr, 'vf_addr': self.address }) old_status = self.status self.status = fields.PciDeviceStatus.AVAILABLE free_devs.append(self) self.instance_uuid = None self.request_id = None if old_status == fields.PciDeviceStatus.ALLOCATED and instance: # Notes(yjiang5): remove this check when instance object for # compute manager is finished existed = next( (dev for dev in instance['pci_devices'] if dev.id == self.id)) if isinstance(instance, dict): instance['pci_devices'].remove(existed) else: instance.pci_devices.objects.remove(existed) return free_devs
def inner(devobj, instance=None): if devobj['status'] not in dev_status: raise exception.PciDeviceInvalidStatus( compute_node_id=devobj.compute_node_id, address=devobj.address, status=devobj.status, hopestatus=dev_status) if instance: return f(devobj, instance) else: return f(devobj)
def inner(self, instance=None): if self['status'] not in dev_status: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=dev_status) if instance: return f(self, instance) else: return f(self)
def claim(self, instance_uuid): if self.status != fields.PciDeviceStatus.AVAILABLE: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=[fields.PciDeviceStatus.AVAILABLE]) if self.dev_type == fields.PciDeviceType.SRIOV_PF: # Update PF status to CLAIMED if all of it dependants are free # and set their status to UNCLAIMABLE vfs_list = objects.PciDeviceList.get_by_parent_address( self._context, self.compute_node_id, self.address) if not all([vf.is_available() for vf in vfs_list]): raise exception.PciDeviceVFInvalidStatus( compute_node_id=self.compute_node_id, address=self.address) self._bulk_update_status(vfs_list, fields.PciDeviceStatus.UNCLAIMABLE) elif self.dev_type == fields.PciDeviceType.SRIOV_VF: # Update VF status to CLAIMED if it's parent has not been # previuosly allocated or claimed # When claiming/allocating a VF, it's parent PF becomes # unclaimable/unavailable. Therefore, it is expected to find the # parent PF in an unclaimable/unavailable state for any following # claims to a sibling VF parent_ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.UNCLAIMABLE, fields.PciDeviceStatus.UNAVAILABLE) try: parent = self.get_by_dev_addr(self._context, self.compute_node_id, self.parent_addr) if parent.status not in parent_ok_statuses: raise exception.PciDevicePFInvalidStatus( compute_node_id=self.compute_node_id, address=self.parent_addr, status=self.status, vf_address=self.address, hopestatus=parent_ok_statuses) # Set PF status if parent.status == fields.PciDeviceStatus.AVAILABLE: parent.status = fields.PciDeviceStatus.UNCLAIMABLE except exception.PciDeviceNotFound: LOG.debug( 'Physical function addr: %(pf_addr)s parent of ' 'VF addr: %(vf_addr)s was not found', { 'pf_addr': self.parent_addr, 'vf_addr': self.address }) self.status = fields.PciDeviceStatus.CLAIMED self.instance_uuid = instance_uuid
def claim(self, instance_uuid): if self.status != fields.PciDeviceStatus.AVAILABLE: raise exception.PciDeviceInvalidStatus( compute_node_id=self.compute_node_id, address=self.address, status=self.status, hopestatus=[fields.PciDeviceStatus.AVAILABLE]) if self.dev_type == fields.PciDeviceType.SRIOV_PF: # Update PF status to CLAIMED if all of it dependants are free # and set their status to UNCLAIMABLE vfs_list = self.child_devices non_free_dependants = [ vf for vf in vfs_list if not vf.is_available()] if non_free_dependants: # NOTE(gibi): There should not be any dependent devices that # are UNCLAIMABLE or UNAVAILABLE as the parent is AVAILABLE, # but we got reports in bug 1969496 that this inconsistency # can happen. So check if the only non-free devices are in # state UNCLAIMABLE or UNAVAILABLE then we log a warning but # allow to claim the parent. actual_statuses = { child.status for child in non_free_dependants} allowed_non_free_statues = { fields.PciDeviceStatus.UNCLAIMABLE, fields.PciDeviceStatus.UNAVAILABLE, } if actual_statuses - allowed_non_free_statues == set(): LOG.warning( "Some child device of parent %s is in an inconsistent " "state. If you can reproduce this warning then please " "report a bug at " "https://bugs.launchpad.net/nova/+filebug with " "reproduction steps. Inconsistent children with " "state: %s", self.address, ",".join( "%s - %s" % (child.address, child.status) for child in non_free_dependants ), ) else: raise exception.PciDeviceVFInvalidStatus( compute_node_id=self.compute_node_id, address=self.address) self._bulk_update_status(vfs_list, fields.PciDeviceStatus.UNCLAIMABLE) elif self.dev_type in ( fields.PciDeviceType.SRIOV_VF, fields.PciDeviceType.VDPA ): # Update VF status to CLAIMED if it's parent has not been # previously allocated or claimed # When claiming/allocating a VF, it's parent PF becomes # unclaimable/unavailable. Therefore, it is expected to find the # parent PF in an unclaimable/unavailable state for any following # claims to a sibling VF parent_ok_statuses = (fields.PciDeviceStatus.AVAILABLE, fields.PciDeviceStatus.UNCLAIMABLE, fields.PciDeviceStatus.UNAVAILABLE) parent = self.parent_device if parent: if parent.status not in parent_ok_statuses: raise exception.PciDevicePFInvalidStatus( compute_node_id=self.compute_node_id, address=self.parent_addr, status=self.status, vf_address=self.address, hopestatus=parent_ok_statuses) # Set PF status if parent.status == fields.PciDeviceStatus.AVAILABLE: parent.status = fields.PciDeviceStatus.UNCLAIMABLE else: LOG.debug('Physical function addr: %(pf_addr)s parent of ' 'VF addr: %(vf_addr)s was not found', {'pf_addr': self.parent_addr, 'vf_addr': self.address}) self.status = fields.PciDeviceStatus.CLAIMED self.instance_uuid = instance_uuid