pci: Add class 0xc05 as 'SMBus'

[jbaron@redhat.com: add PCI_CLASS_SERIAL_SMBUS definition]
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NJason Baron <jbaron@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pci.c

@@ -1237,6 +1237,7 @@ static const pci_class_desc pci_class_descriptions[] =
     { 0x0c02, "SSA controller", "ssa"},
     { 0x0c03, "USB controller", "usb"},
     { 0x0c04, "Fibre channel controller", "fibre-channel"},
+    { 0x0c05, "SMBus"},
     { 0, NULL}
 };
 

hw/pci_ids.h

@@ -31,6 +31,7 @@
 #define PCI_CLASS_SYSTEM_OTHER           0x0880
 
 #define PCI_CLASS_SERIAL_USB             0x0c03
+#define PCI_CLASS_SERIAL_SMBUS           0x0c05
 
 #define PCI_CLASS_BRIDGE_HOST            0x0600
 #define PCI_CLASS_BRIDGE_ISA             0x0601