Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
4 */
5
6#ifndef VFIO_CDX_PRIVATE_H
7#define VFIO_CDX_PRIVATE_H
8
9#define VFIO_CDX_OFFSET_SHIFT 40
10
11static inline u64 vfio_cdx_index_to_offset(u32 index)
12{
13 return ((u64)(index) << VFIO_CDX_OFFSET_SHIFT);
14}
15
16struct vfio_cdx_irq {
17 u32 flags;
18 u32 count;
19 int irq_no;
20 struct eventfd_ctx *trigger;
21 char *name;
22};
23
24struct vfio_cdx_region {
25 u32 flags;
26 u32 type;
27 u64 addr;
28 resource_size_t size;
29};
30
31struct vfio_cdx_device {
32 struct vfio_device vdev;
33 struct vfio_cdx_region *regions;
34 struct vfio_cdx_irq *cdx_irqs;
35 u32 flags;
36#define BME_SUPPORT BIT(0)
37 u32 msi_count;
38 u8 config_msi;
39};
40
41int vfio_cdx_set_irqs_ioctl(struct vfio_cdx_device *vdev,
42 u32 flags, unsigned int index,
43 unsigned int start, unsigned int count,
44 void *data);
45
46void vfio_cdx_irqs_cleanup(struct vfio_cdx_device *vdev);
47
48#endif /* VFIO_CDX_PRIVATE_H */