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 17 typedef struct QEMUVFIOState QEMUVFIOState; 18 19 QEMUVFIOState *qemu_vfio_open_pci(const char *device, Error **errp); 20 void qemu_vfio_close(QEMUVFIOState *s); 21 int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size, 22 bool temporary, uint64_t *iova_list); 23 int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s); 24 void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host); 25 void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index, 26 uint64_t offset, uint64_t size, 27 Error **errp); 28 void qemu_vfio_pci_unmap_bar(QEMUVFIOState *s, int index, void *bar, 29 uint64_t offset, uint64_t size); 30 int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e, 31 int irq_type, Error **errp); 32 33 #endif 34