1 files changed, 64 insertions, 0 deletions
diff --git a/include/hw/pci/msix.h b/include/hw/pci/msix.h
new file mode 100644
index 000000000..4c4a60c73
--- /dev/null
+++ b/include/hw/pci/msix.h
@@ -0,0 +1,64 @@
+#ifndef QEMU_MSIX_H
+#define QEMU_MSIX_H
+
+#include "hw/pci/pci.h"
+
+#define MSIX_CAP_LENGTH 12
+
+void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg);
+MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector);
+int msix_init(PCIDevice *dev, unsigned short nentries,
+              MemoryRegion *table_bar, uint8_t table_bar_nr,
+              unsigned table_offset, MemoryRegion *pba_bar,
+              uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos,
+              Error **errp);
+int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries,
+                            uint8_t bar_nr, Error **errp);
+
+void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len);
+
+void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar,
+                 MemoryRegion *pba_bar);
+void msix_uninit_exclusive_bar(PCIDevice *dev);
+
+unsigned int msix_nr_vectors_allocated(const PCIDevice *dev);
+
+void msix_save(PCIDevice *dev, QEMUFile *f);
+void msix_load(PCIDevice *dev, QEMUFile *f);
+
+int msix_enabled(PCIDevice *dev);
+int msix_present(PCIDevice *dev);
+
+bool msix_is_masked(PCIDevice *dev, unsigned vector);
+void msix_set_pending(PCIDevice *dev, unsigned vector);
+void msix_clr_pending(PCIDevice *dev, int vector);
+
+int msix_vector_use(PCIDevice *dev, unsigned vector);
+void msix_vector_unuse(PCIDevice *dev, unsigned vector);
+void msix_unuse_all_vectors(PCIDevice *dev);
+
+void msix_notify(PCIDevice *dev, unsigned vector);
+
+void msix_reset(PCIDevice *dev);
+
+int msix_set_vector_notifiers(PCIDevice *dev,
+                              MSIVectorUseNotifier use_notifier,
+                              MSIVectorReleaseNotifier release_notifier,
+                              MSIVectorPollNotifier poll_notifier);
+void msix_unset_vector_notifiers(PCIDevice *dev);
+
+extern const VMStateDescription vmstate_msix;
+
+#define VMSTATE_MSIX_TEST(_field, _state, _test) {                   \
+    .name         = (stringify(_field)),                             \
+    .size         = sizeof(PCIDevice),                               \
+    .vmsd         = &vmstate_msix,                                   \
+    .flags        = VMS_STRUCT,                                      \
+    .offset       = vmstate_offset_value(_state, _field, PCIDevice), \
+    .field_exists = (_test)                                          \
+}
+
+#define VMSTATE_MSIX(_f, _s)                                         \
+    VMSTATE_MSIX_TEST(_f, _s, NULL)
+
+#endif