1 #ifndef QEMU_MSIX_H 2 #define QEMU_MSIX_H 3 4 #include "qemu-common.h" 5 #include "hw/pci/pci.h" 6 7 #define MSIX_CAP_LENGTH 12 8 9 void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg); 10 MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector); 11 int msix_init(PCIDevice *dev, unsigned short nentries, 12 MemoryRegion *table_bar, uint8_t table_bar_nr, 13 unsigned table_offset, MemoryRegion *pba_bar, 14 uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos, 15 Error **errp); 16 int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries, 17 uint8_t bar_nr, Error **errp); 18 19 void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len); 20 21 void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, 22 MemoryRegion *pba_bar); 23 void msix_uninit_exclusive_bar(PCIDevice *dev); 24 25 unsigned int msix_nr_vectors_allocated(const PCIDevice *dev); 26 27 void msix_save(PCIDevice *dev, QEMUFile *f); 28 void msix_load(PCIDevice *dev, QEMUFile *f); 29 30 int msix_enabled(PCIDevice *dev); 31 int msix_present(PCIDevice *dev); 32 33 bool msix_is_masked(PCIDevice *dev, unsigned vector); 34 void msix_set_pending(PCIDevice *dev, unsigned vector); 35 void msix_clr_pending(PCIDevice *dev, int vector); 36 37 int msix_vector_use(PCIDevice *dev, unsigned vector); 38 void msix_vector_unuse(PCIDevice *dev, unsigned vector); 39 void msix_unuse_all_vectors(PCIDevice *dev); 40 41 void msix_notify(PCIDevice *dev, unsigned vector); 42 43 void msix_reset(PCIDevice *dev); 44 45 int msix_set_vector_notifiers(PCIDevice *dev, 46 MSIVectorUseNotifier use_notifier, 47 MSIVectorReleaseNotifier release_notifier, 48 MSIVectorPollNotifier poll_notifier); 49 void msix_unset_vector_notifiers(PCIDevice *dev); 50 51 extern const VMStateDescription vmstate_msix; 52 53 #define VMSTATE_MSIX_TEST(_field, _state, _test) { \ 54 .name = (stringify(_field)), \ 55 .size = sizeof(PCIDevice), \ 56 .vmsd = &vmstate_msix, \ 57 .flags = VMS_STRUCT, \ 58 .offset = vmstate_offset_value(_state, _field, PCIDevice), \ 59 .field_exists = (_test) \ 60 } 61 62 #define VMSTATE_MSIX(_f, _s) \ 63 VMSTATE_MSIX_TEST(_f, _s, NULL) 64 65 #endif 66