1 #ifndef QEMU_MSIX_H 2 #define QEMU_MSIX_H 3 4 #include "qemu-common.h" 5 #include "hw/pci/pci.h" 6 7 void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg); 8 MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector); 9 int msix_init(PCIDevice *dev, unsigned short nentries, 10 MemoryRegion *table_bar, uint8_t table_bar_nr, 11 unsigned table_offset, MemoryRegion *pba_bar, 12 uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos); 13 int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries, 14 uint8_t bar_nr); 15 16 void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len); 17 18 void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, 19 MemoryRegion *pba_bar); 20 void msix_uninit_exclusive_bar(PCIDevice *dev); 21 22 unsigned int msix_nr_vectors_allocated(const PCIDevice *dev); 23 24 void msix_save(PCIDevice *dev, QEMUFile *f); 25 void msix_load(PCIDevice *dev, QEMUFile *f); 26 27 int msix_enabled(PCIDevice *dev); 28 int msix_present(PCIDevice *dev); 29 30 bool msix_is_masked(PCIDevice *dev, unsigned vector); 31 void msix_set_pending(PCIDevice *dev, unsigned vector); 32 33 int msix_vector_use(PCIDevice *dev, unsigned vector); 34 void msix_vector_unuse(PCIDevice *dev, unsigned vector); 35 void msix_unuse_all_vectors(PCIDevice *dev); 36 37 void msix_notify(PCIDevice *dev, unsigned vector); 38 39 void msix_reset(PCIDevice *dev); 40 41 int msix_set_vector_notifiers(PCIDevice *dev, 42 MSIVectorUseNotifier use_notifier, 43 MSIVectorReleaseNotifier release_notifier, 44 MSIVectorPollNotifier poll_notifier); 45 void msix_unset_vector_notifiers(PCIDevice *dev); 46 47 extern const VMStateDescription vmstate_msix; 48 49 #define VMSTATE_MSIX(_field, _state) { \ 50 .name = (stringify(_field)), \ 51 .size = sizeof(PCIDevice), \ 52 .vmsd = &vmstate_msix, \ 53 .flags = VMS_STRUCT, \ 54 .offset = vmstate_offset_value(_state, _field, PCIDevice), \ 55 } 56 57 #endif 58