[thirdparty/kernel/stable.git] / drivers / vfio / pci / pds / vfio_dev.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2023 Advanced Micro Devices, Inc. */

#ifndef _VFIO_DEV_H_
#define _VFIO_DEV_H_

#include <linux/pci.h>
#include <linux/vfio_pci_core.h>

#include "dirty.h"
#include "lm.h"

struct pds_vfio_pci_device {
	struct vfio_pci_core_device vfio_coredev;

	struct pds_vfio_lm_file *save_file;
	struct pds_vfio_lm_file *restore_file;
	struct pds_vfio_dirty dirty;
	struct mutex state_mutex; /* protect migration state */
	enum vfio_device_mig_state state;
	struct mutex reset_mutex; /* protect reset_done flow */
	u8 deferred_reset;
	enum vfio_device_mig_state deferred_reset_state;
	struct notifier_block nb;

	int vf_id;
	u16 client_id;
};

void pds_vfio_state_mutex_unlock(struct pds_vfio_pci_device *pds_vfio);

const struct vfio_device_ops *pds_vfio_ops_info(void);
struct pds_vfio_pci_device *pds_vfio_pci_drvdata(struct pci_dev *pdev);
void pds_vfio_reset(struct pds_vfio_pci_device *pds_vfio);

struct pci_dev *pds_vfio_to_pci_dev(struct pds_vfio_pci_device *pds_vfio);
struct device *pds_vfio_to_dev(struct pds_vfio_pci_device *pds_vfio);

#endif /* _VFIO_DEV_H_ */
Commit	Line	Data
38fe3975 BC	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
	3
	4	#ifndef _VFIO_DEV_H_
	5	#define _VFIO_DEV_H_
	6
	7	#include <linux/pci.h>
	8	#include <linux/vfio_pci_core.h>
	9
f232836a	10	#include "dirty.h"
bb500dbe BC	11	#include "lm.h"
bb500dbe BC	12
38fe3975 BC	13	struct pds_vfio_pci_device {
	14	struct vfio_pci_core_device vfio_coredev;
	15
bb500dbe BC	16	struct pds_vfio_lm_file *save_file;
bb500dbe BC	17	struct pds_vfio_lm_file *restore_file;
f232836a	18	struct pds_vfio_dirty dirty;
bb500dbe BC	19	struct mutex state_mutex; /* protect migration state */
bb500dbe BC	20	enum vfio_device_mig_state state;
ae2667cd	21	struct mutex reset_mutex; /* protect reset_done flow */
bb500dbe	22	u8 deferred_reset;
7dabb1bc BC	23	enum vfio_device_mig_state deferred_reset_state;
7dabb1bc BC	24	struct notifier_block nb;
bb500dbe	25
38fe3975	26	int vf_id;
63f77a71	27	u16 client_id;
38fe3975 BC	28	};
38fe3975 BC	29
f232836a BC	30	void pds_vfio_state_mutex_unlock(struct pds_vfio_pci_device *pds_vfio);
f232836a BC	31
38fe3975 BC	32	const struct vfio_device_ops *pds_vfio_ops_info(void);
38fe3975 BC	33	struct pds_vfio_pci_device pds_vfio_pci_drvdata(struct pci_dev pdev);
bb500dbe	34	void pds_vfio_reset(struct pds_vfio_pci_device *pds_vfio);
38fe3975	35
63f77a71	36	struct pci_dev pds_vfio_to_pci_dev(struct pds_vfio_pci_device pds_vfio);
bb500dbe	37	struct device pds_vfio_to_dev(struct pds_vfio_pci_device pds_vfio);
63f77a71	38
38fe3975	39	#endif /* _VFIO_DEV_H_ */