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qemu/include/hw/pci/msix.h

66 lines
2.5 KiB
C

#ifndef QEMU_MSIX_H
#define QEMU_MSIX_H
#include "hw/pci/pci.h"
#define MSIX_CAP_LENGTH 12
void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg);
MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector);
int msix_init(PCIDevice *dev, unsigned short nentries,
MemoryRegion *table_bar, uint8_t table_bar_nr,
unsigned table_offset, MemoryRegion *pba_bar,
uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos,
Error **errp);
int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries,
uint8_t bar_nr, Error **errp);
void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len);
void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar,
MemoryRegion *pba_bar);
void msix_uninit_exclusive_bar(PCIDevice *dev);
unsigned int msix_nr_vectors_allocated(const PCIDevice *dev);
void msix_save(PCIDevice *dev, QEMUFile *f);
void msix_load(PCIDevice *dev, QEMUFile *f);
int msix_enabled(PCIDevice *dev);
int msix_present(PCIDevice *dev);
bool msix_is_masked(PCIDevice *dev, unsigned vector);
void msix_set_pending(PCIDevice *dev, unsigned vector);
void msix_clr_pending(PCIDevice *dev, int vector);
void msix_vector_use(PCIDevice *dev, unsigned vector);
void msix_vector_unuse(PCIDevice *dev, unsigned vector);
void msix_unuse_all_vectors(PCIDevice *dev);
void msix_set_mask(PCIDevice *dev, int vector, bool mask);
void msix_notify(PCIDevice *dev, unsigned vector);
void msix_reset(PCIDevice *dev);
int msix_set_vector_notifiers(PCIDevice *dev,
MSIVectorUseNotifier use_notifier,
MSIVectorReleaseNotifier release_notifier,
MSIVectorPollNotifier poll_notifier);
void msix_unset_vector_notifiers(PCIDevice *dev);
extern const VMStateDescription vmstate_msix;
#define VMSTATE_MSIX_TEST(_field, _state, _test) { \
.name = (stringify(_field)), \
.size = sizeof(PCIDevice), \
.vmsd = &vmstate_msix, \
.flags = VMS_STRUCT, \
.offset = vmstate_offset_value(_state, _field, PCIDevice), \
.field_exists = (_test) \
}
#define VMSTATE_MSIX(_f, _s) \
VMSTATE_MSIX_TEST(_f, _s, NULL)
#endif