include/hw/pci/msix.h

   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_TEST(_field, _state, _test) {                   \
  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     .field_exists = (_test)                                          \
  56 }
  57
  58 #define VMSTATE_MSIX(_f, _s)                                         \
  59     VMSTATE_MSIX_TEST(_f, _s, NULL)
  60
  61 #endif