proto,dummy_nic: pass vendor/device/revision/class ids to host

dummy_nic/dummy_nic.c

@@ -81,6 +81,12 @@ int main(int argc, char *argv[])
     di.bars[2].len = 128;
     di.bars[2].flags = COSIM_PCIE_PROTO_BAR_IO;
 
+    di.pci_vendor_id = 0x4321;
+    di.pci_device_id = 0x1234;
+    di.pci_class = 0x02;
+    di.pci_subclass = 0x00;
+    di.pci_revision = 0x00;
+
     if (uxsocket_send(pci_cfd, &di, sizeof(di), shm_fd)) {
         return EXIT_FAILURE;
     }

proto/cosim_pcie_proto.h

@@ -48,6 +48,17 @@ struct cosim_pcie_proto_dev_intro {
         /** flags (see COSIM_PCIE_PROTO_BAR_*) */
         uint64_t flags;
     } __attribute__((packed)) bars[COSIM_PCIE_PROTO_NBARS];
+
+    /** PCI vendor id */
+    uint16_t pci_vendor_id;
+    /** PCI device id */
+    uint16_t pci_device_id;
+    /* PCI class */
+    uint8_t pci_class;
+    /* PCI subclass */
+    uint8_t pci_subclass;
+    /* PCI revision */
+    uint8_t pci_revision;
 } __attribute__((packed));