diff options
Diffstat (limited to 'drivers/vfio/fsl-mc/vfio_fsl_mc_private.h')
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc_private.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h new file mode 100644 index 0000000..34e7575 --- /dev/null +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h @@ -0,0 +1,55 @@ +/* + * Freescale Management Complex VFIO private declarations + * + * Copyright (C) 2013-2016 Freescale Semiconductor, Inc. + * Copyright 2016 NXP + * Author: Bharat Bhushan <bharat.bhushan@nxp.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#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; +#define VFIO_FSL_MC_REGION_TYPE_MMIO 1 +#define VFIO_FSL_MC_REGION_TYPE_CACHEABLE 2 + u32 type; + u64 addr; + resource_size_t size; + void __iomem *ioaddr; +}; + +struct vfio_fsl_mc_device { + struct fsl_mc_device *mc_dev; + int refcnt; + u32 num_regions; + struct vfio_fsl_mc_region *regions; + struct vfio_fsl_mc_irq *mc_irqs; +}; + +int vfio_fsl_mc_irqs_init(struct vfio_fsl_mc_device *vdev); +void vfio_fsl_mc_irqs_cleanup(struct vfio_fsl_mc_device *vdev); +int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev, + uint32_t flags, unsigned int index, + unsigned int start, unsigned int count, + void *data); +#endif /* VFIO_PCI_PRIVATE_H */ |