pci: introduce helper function to handle msi-x and msi.

this patch implements helper functions to handle msi-x and msi
uniformly.
They will be used later.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/hw/pci.h b/hw/pci.h
index 752e652..3072a5f 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -239,6 +239,9 @@ void do_pci_info_print(Monitor *mon, const QObject *data);
 void do_pci_info(Monitor *mon, QObject **ret_data);
 void pci_bridge_update_mappings(PCIBus *b);
 
+bool pci_msi_enabled(PCIDevice *dev);
+void pci_msi_notify(PCIDevice *dev, unsigned int vector);
+
 static inline void
 pci_set_byte(uint8_t *config, uint8_t val)
 {