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