3 // SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
44 /// "eventq" lets the device report any fault or other asynchronous event to
50 /// Because virtio-iommu expects one MSI reserved region, we must provide it,
337     // mappings required from various devices such as VFIO or vhost-user ones,
343     // virtio-iommu (giving the link device_id <=> domain).
349     ) -> result::Result<usize, Error> {  in parse()
371         let desc_size_left = (desc.len() as usize) - req_offset;  in parse()
414                     // Add endpoint associated with specific domain  in parse()
434                     // Add new domain with no mapping if the entry didn't exist yet  in parse()
498                     // mapping is done on a per-container level, not a per-domain level  in parse()
501                             let size = req.virt_end - req.virt_start + 1;  in parse()
508                     // Add new mapping associated with the domain  in parse()
520                                 size: req.virt_end - req.virt_start + 1,  in parse()
563                             let size = req.virt_end - virt_start + 1;  in parse()
652 ) -> result::Result<(), Error> {  in detach_endpoint_from_domain()
697     fn request_queue(&mut self) -> Result<bool, Error> {  in request_queue()
718     fn signal_used_queue(&self, queue_index: u16) -> result::Result<(), DeviceError> {  in signal_used_queue()
731     ) -> result::Result<(), EpollHelperError> {  in run()
745     ) -> result::Result<(), EpollHelperError> {  in handle_event()
803     fn translate_gva(&self, id: u32, addr: u64) -> std::result::Result<u64, std::io::Error> {  in translate_gva()
815                         let new_addr = addr - key + value.gpa;  in translate_gva()
830     fn translate_gpa(&self, id: u32, addr: u64) -> std::result::Result<u64, std::io::Error> {  in translate_gpa()
842                         let new_addr = addr - value.gpa + key;  in translate_gpa()
865     pub fn new(id: u32, mapping: Arc<IommuMapping>) -> Self {  in new()
871     fn translate_gva(&self, base: u64, _size: u64) -> std::result::Result<u64, std::io::Error> {  in translate_gva()
874     fn translate_gpa(&self, base: u64, _size: u64) -> std::result::Result<u64, std::io::Error> {  in translate_gpa()
909     ) -> io::Result<(Self, Arc<IommuMapping>)> {  in new()
912                 info!("Restoring virtio-iommu {}", id);  in new()
951                 end: (1u64 << address_width_bits) - 1,  in new()
985     fn state(&self) -> IommuState {  in state()
1044     fn device_type(&self) -> u32 {  in device_type()
1048     fn queue_max_sizes(&self) -> &[u16] {  in queue_max_sizes()
1052     fn features(&self) -> u64 {  in features()
1067             (&self.config.bypass as *const _ as u64) - (&self.config as *const _ as u64);  in write_config()
1070                 "Attempt to write to read-only field: offset {:x} length {}",  in write_config()
1087     ) -> ActivateResult {  in activate()
1122         event!("virtio-device", "activated", "id", &self.id);  in activate()
1126     fn reset(&mut self) -> Option<Arc<dyn VirtioInterrupt>> {  in reset()
1128         event!("virtio-device", "reset", "id", &self.id);  in reset()
1134     fn pause(&mut self) -> result::Result<(), MigratableError> {  in pause()
1138     fn resume(&mut self) -> result::Result<(), MigratableError> {  in resume()
1144     fn id(&self) -> String {  in id()
1148     fn snapshot(&mut self) -> std::result::Result<Snapshot, MigratableError> {  in snapshot()