diff options
Diffstat (limited to 'drivers/s390/cio/vfio_ccw_private.h')
| -rw-r--r-- | drivers/s390/cio/vfio_ccw_private.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h index 9b9bb4982972..8723156b29ea 100644 --- a/drivers/s390/cio/vfio_ccw_private.h +++ b/drivers/s390/cio/vfio_ccw_private.h @@ -17,6 +17,7 @@ #include <linux/eventfd.h> #include <linux/workqueue.h> #include <linux/vfio_ccw.h> +#include <asm/crw.h> #include <asm/debug.h> #include "css.h" @@ -53,8 +54,16 @@ int vfio_ccw_register_dev_region(struct vfio_ccw_private *private, unsigned int subtype, const struct vfio_ccw_regops *ops, size_t size, u32 flags, void *data); +void vfio_ccw_unregister_dev_regions(struct vfio_ccw_private *private); int vfio_ccw_register_async_dev_regions(struct vfio_ccw_private *private); +int vfio_ccw_register_schib_dev_regions(struct vfio_ccw_private *private); +int vfio_ccw_register_crw_dev_regions(struct vfio_ccw_private *private); + +struct vfio_ccw_crw { + struct list_head next; + struct crw crw; +}; /** * struct vfio_ccw_private @@ -68,6 +77,8 @@ int vfio_ccw_register_async_dev_regions(struct vfio_ccw_private *private); * @io_mutex: protect against concurrent update of I/O regions * @region: additional regions for other subchannel operations * @cmd_region: MMIO region for asynchronous I/O commands other than START + * @schib_region: MMIO region for SCHIB information + * @crw_region: MMIO region for getting channel report words * @num_regions: number of additional regions * @cp: channel program for the current I/O operation * @irb: irb info received from interrupt @@ -86,14 +97,19 @@ struct vfio_ccw_private { struct mutex io_mutex; struct vfio_ccw_region *region; struct ccw_cmd_region *cmd_region; + struct ccw_schib_region *schib_region; + struct ccw_crw_region *crw_region; int num_regions; struct channel_program cp; struct irb irb; union scsw scsw; + struct list_head crw; struct eventfd_ctx *io_trigger; + struct eventfd_ctx *crw_trigger; struct work_struct io_work; + struct work_struct crw_work; } __aligned(8); extern int vfio_ccw_mdev_reg(struct subchannel *sch); |