xref: /openbmc/qemu/include/hw/pci/msix.h (revision 2993683b)
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 #endif
47