LXR qemu/include/qemu/vfio-helpers.h

   1/*
   2 * QEMU VFIO helpers
   3 *
   4 * Copyright 2016 - 2018 Red Hat, Inc.
   5 *
   6 * Authors:
   7 *   Fam Zheng <famz@redhat.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 */
  12
  13#ifndef QEMU_VFIO_HELPERS_H
  14#define QEMU_VFIO_HELPERS_H
  15#include "qemu/typedefs.h"
  16
  17typedef struct QEMUVFIOState QEMUVFIOState;
  18
  19QEMUVFIOState *qemu_vfio_open_pci(const char *device, Error **errp);
  20void qemu_vfio_close(QEMUVFIOState *s);
  21int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size,
  22                      bool temporary, uint64_t *iova_list);
  23int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s);
  24void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host);
  25void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index,
  26                            uint64_t offset, uint64_t size,
  27                            Error **errp);
  28void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar,
  29                             uint64_t offset, uint64_t size);
  30int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e,
  31                           int irq_type, Error **errp);
  32
  33#endif
  34