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 10 #include "dirty.h" 11 #include "lm.h" 12 13 struct pds_vfio_pci_device { 14 struct vfio_pci_core_device vfio_coredev; 15 16 struct pds_vfio_lm_file *save_file; 17 struct pds_vfio_lm_file *restore_file; 18 struct pds_vfio_dirty dirty; 19 struct mutex state_mutex; /* protect migration state */ 20 enum vfio_device_mig_state state; 21 spinlock_t reset_lock; /* protect reset_done flow */ 22 u8 deferred_reset; 23 enum vfio_device_mig_state deferred_reset_state; 24 struct notifier_block nb; 25 26 int vf_id; 27 u16 client_id; 28 }; 29 30 void pds_vfio_state_mutex_unlock(struct pds_vfio_pci_device *pds_vfio); 31 32 const struct vfio_device_ops *pds_vfio_ops_info(void); 33 struct pds_vfio_pci_device *pds_vfio_pci_drvdata(struct pci_dev *pdev); 34 void pds_vfio_reset(struct pds_vfio_pci_device *pds_vfio); 35 36 struct pci_dev *pds_vfio_to_pci_dev(struct pds_vfio_pci_device *pds_vfio); 37 struct device *pds_vfio_to_dev(struct pds_vfio_pci_device *pds_vfio); 38 39 #endif /* _VFIO_DEV_H_ */ 40