dev/virtio/pci.cc

68 PciVirtIO::read(PacketPtr pkt)
70     const unsigned M5_VAR_USED size(pkt->getSize());
73     if (!getBAR(pkt->getAddr(), bar, offset))
81         vio.readConfig(pkt, offset - OFF_VIO_DEVICE);
85     pkt->makeResponse();
91         pkt->setLE<uint32_t>(vio.deviceFeatures);
97         pkt->setLE<uint32_t>(vio.getGuestFeatures());
103         pkt->setLE<uint32_t>(vio.getQueueAddress());
109         pkt->setLE<uint16_t>(vio.getQueueSize());
115         pkt->setLE<uint16_t>(vio.getQueueSelect());
121         pkt->setLE<uint16_t>(queueNotify);
127         pkt->setLE<uint8_t>(vio.getDeviceStatus());
138           pkt->setLE<uint8_t>(isr_status);
149 PciVirtIO::write(PacketPtr pkt)
151     const unsigned M5_VAR_USED size(pkt->getSize());
154     if (!getBAR(pkt->getAddr(), bar, offset))
162         vio.writeConfig(pkt, offset - OFF_VIO_DEVICE);
166     pkt->makeResponse();
176         vio.setGuestFeatures(pkt->getLE<uint32_t>());
182         vio.setQueueAddress(pkt->getLE<uint32_t>());
192         vio.setQueueSelect(pkt->getLE<uint16_t>());
198         queueNotify = pkt->getLE<uint16_t>();
204           uint8_t status(pkt->getLE<uint8_t>());