Orange Pi5 kernel

/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/*
 * Copyright 2013-2016 Freescale Semiconductor Inc.
 * Copyright 2016,2019-2020 NXP
 */
 
#ifndef VFIO_FSL_MC_PRIVATE_H
#define VFIO_FSL_MC_PRIVATE_H
 
#define VFIO_FSL_MC_OFFSET_SHIFT    40
#define VFIO_FSL_MC_OFFSET_MASK (((u64)(1) << VFIO_FSL_MC_OFFSET_SHIFT) - 1)
 
#define VFIO_FSL_MC_OFFSET_TO_INDEX(off) ((off) >> VFIO_FSL_MC_OFFSET_SHIFT)
 
#define VFIO_FSL_MC_INDEX_TO_OFFSET(index)	\
<------>((u64)(index) << VFIO_FSL_MC_OFFSET_SHIFT)
 
struct vfio_fsl_mc_irq {
<------>u32         flags;
<------>u32         count;
<------>struct eventfd_ctx  *trigger;
<------>char            *name;
};
 
struct vfio_fsl_mc_reflck {
<------>struct kref		kref;
<------>struct mutex		lock;
};
 
struct vfio_fsl_mc_region {
<------>u32			flags;
<------>u32			type;
<------>u64			addr;
<------>resource_size_t		size;
<------>void __iomem		*ioaddr;
};
 
struct vfio_fsl_mc_device {
<------>struct fsl_mc_device		*mc_dev;
<------>struct notifier_block        nb;
<------>int				refcnt;
<------>struct vfio_fsl_mc_region	*regions;
<------>struct vfio_fsl_mc_reflck   *reflck;
<------>struct mutex         igate;
<------>struct vfio_fsl_mc_irq      *mc_irqs;
};
 
extern int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev,
<------><------><------>       u32 flags, unsigned int index,
<------><------><------>       unsigned int start, unsigned int count,
<------><------><------>       void *data);
 
void vfio_fsl_mc_irqs_cleanup(struct vfio_fsl_mc_device *vdev);
 
#endif /* VFIO_FSL_MC_PRIVATE_H */