1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2/*
3 * Copyright 2013-2016 Freescale Semiconductor Inc.
4 * Copyright 2016,2019-2020 NXP
5 */
6
7#ifndef VFIO_FSL_MC_PRIVATE_H
8#define VFIO_FSL_MC_PRIVATE_H
9
10#define VFIO_FSL_MC_OFFSET_SHIFT    40
11#define VFIO_FSL_MC_OFFSET_MASK (((u64)(1) << VFIO_FSL_MC_OFFSET_SHIFT) - 1)
12
13#define VFIO_FSL_MC_OFFSET_TO_INDEX(off) ((off) >> VFIO_FSL_MC_OFFSET_SHIFT)
14
15#define VFIO_FSL_MC_INDEX_TO_OFFSET(index)	\
16	((u64)(index) << VFIO_FSL_MC_OFFSET_SHIFT)
17
18struct vfio_fsl_mc_irq {
19	u32         flags;
20	u32         count;
21	struct eventfd_ctx  *trigger;
22	char            *name;
23};
24
25struct vfio_fsl_mc_region {
26	u32			flags;
27	u32			type;
28	u64			addr;
29	resource_size_t		size;
30	void __iomem		*ioaddr;
31};
32
33struct vfio_fsl_mc_device {
34	struct vfio_device		vdev;
35	struct fsl_mc_device		*mc_dev;
36	struct notifier_block        nb;
37	struct vfio_fsl_mc_region	*regions;
38	struct mutex         igate;
39	struct vfio_fsl_mc_irq      *mc_irqs;
40};
41
42int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev,
43			       u32 flags, unsigned int index,
44			       unsigned int start, unsigned int count,
45			       void *data);
46
47void vfio_fsl_mc_irqs_cleanup(struct vfio_fsl_mc_device *vdev);
48
49#endif /* VFIO_FSL_MC_PRIVATE_H */
50