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
  16typedef struct QEMUVFIOState QEMUVFIOState;
  17
  18QEMUVFIOState *qemu_vfio_open_pci(const char *device, Error **errp);
  19void qemu_vfio_close(QEMUVFIOState *s);
  20int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size,
  21                      bool temporary, uint64_t *iova_list, Error **errp);
  22int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s);
  23void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host);
  24void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index,
  25                            uint64_t offset, uint64_t size, int prot,
  26                            Error **errp);
  27void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar,
  28                             uint64_t offset, uint64_t size);
  29int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e,
  30                           int irq_type, Error **errp);
  31
  32#endif
  33