qemu: Introduce QEMU_CAPS_OBJECT_GPEX

This capability specifies that qemu can implement generic PCI host
controller. It is often used for virtual environments, including ARM.
Signed-off-by: NPavel Fedin <p.fedin@samsung.com>

src/qemu/qemu_capabilities.c

@@ -288,6 +288,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
 
               "vhost-user-multiqueue", /* 190 */
               "migration-event",
+              "gpex-pcihost",
     );
 
 
@@ -1568,6 +1569,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "ivshmem", QEMU_CAPS_DEVICE_IVSHMEM },
     { "pc-dimm", QEMU_CAPS_DEVICE_PC_DIMM },
     { "pci-serial", QEMU_CAPS_DEVICE_PCI_SERIAL },
+    { "gpex-pcihost", QEMU_CAPS_OBJECT_GPEX},
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {

src/qemu/qemu_capabilities.h

@@ -231,6 +231,7 @@ typedef enum {
     QEMU_CAPS_CPU_AARCH64_OFF    = 189, /* -cpu ...,aarch64=off */
     QEMU_CAPS_VHOSTUSER_MULTIQUEUE = 190, /* vhost-user with -netdev queues= */
     QEMU_CAPS_MIGRATION_EVENT    = 191, /* MIGRATION event */
+    QEMU_CAPS_OBJECT_GPEX        = 192, /* have generic PCI host controller */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 } virQEMUCapsFlags;