Introduce MSIMessage structure

Will be used for generating and distributing MSI messages, both in
emulation mode and under KVM.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/hw/msi.h b/hw/msi.h
index 3040bb0b43..75747abc25 100644
--- a/hw/msi.h
+++ b/hw/msi.h
@@ -24,6 +24,11 @@
 #include "qemu-common.h"
 #include "pci.h"
 
+struct MSIMessage {
+    uint64_t address;
+    uint32_t data;
+};
+
 extern bool msi_supported;
 
 bool msi_enabled(const PCIDevice *dev);
diff --git a/qemu-common.h b/qemu-common.h
index 50f659af07..57fe28fd9a 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -248,6 +248,7 @@ typedef struct PCIEAERLog PCIEAERLog;
 typedef struct PCIEAERErr PCIEAERErr;
 typedef struct PCIEPort PCIEPort;
 typedef struct PCIESlot PCIESlot;
+typedef struct MSIMessage MSIMessage;
 typedef struct SerialState SerialState;
 typedef struct IRQState *qemu_irq;
 typedef struct PCMCIACardState PCMCIACardState;