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