projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| fb1ff4c1 BB |
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 | ||
| df747bcd DC |
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 | ||
| cc0ee20b DC |
18 | struct vfio_fsl_mc_irq { |
| 19 | u32 flags; | |
| 20 | u32 count; | |
| 21 | struct eventfd_ctx *trigger; | |
| 22 | char *name; | |
| 23 | }; | |
| 24 | ||
| df747bcd DC |
25 | struct vfio_fsl_mc_region { |
| 26 | u32 flags; | |
| 27 | u32 type; | |
| 28 | u64 addr; | |
| 29 | resource_size_t size; | |
| 1bb141ed | 30 | void __iomem *ioaddr; |
| df747bcd DC |
31 | }; |
| 32 | ||
| fb1ff4c1 | 33 | struct vfio_fsl_mc_device { |
| 0ca78666 | 34 | struct vfio_device vdev; |
| fb1ff4c1 | 35 | struct fsl_mc_device *mc_dev; |
| 704f5082 | 36 | struct notifier_block nb; |
| df747bcd | 37 | struct vfio_fsl_mc_region *regions; |
| 2e0d2956 | 38 | struct mutex igate; |
| cc0ee20b | 39 | struct vfio_fsl_mc_irq *mc_irqs; |
| fb1ff4c1 BB |
40 | }; |
| 41 | ||
| d1877e63 | 42 | int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev, |
| 2e0d2956 DC |
43 | u32 flags, unsigned int index, |
| 44 | unsigned int start, unsigned int count, | |
| 45 | void *data); | |
| 46 | ||
| cc0ee20b DC |
47 | void vfio_fsl_mc_irqs_cleanup(struct vfio_fsl_mc_device *vdev); |
| 48 | ||
| fb1ff4c1 | 49 | #endif /* VFIO_FSL_MC_PRIVATE_H */ |