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