qemu-e2k/include/qemu/vfio-helpers.h

/*
 * QEMU VFIO helpers
 *
 * Copyright 2016 - 2018 Red Hat, Inc.
 *
 * Authors:
 *   Fam Zheng <famz@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef QEMU_VFIO_HELPERS_H
#define QEMU_VFIO_HELPERS_H

typedef struct QEMUVFIOState QEMUVFIOState;

QEMUVFIOState *qemu_vfio_open_pci(const char *device, Error **errp);
void qemu_vfio_close(QEMUVFIOState *s);
int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size,
                      bool temporary, uint64_t *iova_list, Error **errp);
int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s);
void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host);
void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index,
                            uint64_t offset, uint64_t size, int prot,
                            Error **errp);
void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar,
                             uint64_t offset, uint64_t size);
int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e,
                           int irq_type, Error **errp);

#endif