[qemu.git] / include / qemu / vfio-helpers.h

/*
 * QEMU VFIO helpers
 *
 * Copyright 2016 - 2018 Red Hat, Inc.
 *
 * Authors:
 *   Fam Zheng <[email protected]>
 *
 * 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);
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,
                            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
Commit	Line	Data
418026ca FZ	1	/*
	2	* QEMU VFIO helpers
	3	*
	4	* Copyright 2016 - 2018 Red Hat, Inc.
	5	*
	6	* Authors:
	7	* Fam Zheng <[email protected]>
	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
418026ca FZ	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);
	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,
	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