/* 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_region {
        u32                     flags;
        u32                     type;
        u64                     addr;
        resource_size_t         size;
        void __iomem            *ioaddr;
};

struct vfio_fsl_mc_device {
        struct vfio_device              vdev;
        struct fsl_mc_device            *mc_dev;
        struct notifier_block        nb;
        struct vfio_fsl_mc_region       *regions;
        struct mutex         igate;
        struct vfio_fsl_mc_irq      *mc_irqs;
};

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 */