diff options
Diffstat (limited to 'include/linux/vfio.h')
| -rw-r--r-- | include/linux/vfio.h | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 2d67b8998fd8..ddb440975382 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -14,6 +14,8 @@ #include <linux/iommu.h> #include <linux/mm.h> +#include <linux/workqueue.h> +#include <linux/poll.h> #include <uapi/linux/vfio.h> /** @@ -78,19 +80,6 @@ extern int vfio_register_iommu_driver(const struct vfio_iommu_driver_ops *ops); extern void vfio_unregister_iommu_driver( const struct vfio_iommu_driver_ops *ops); -/** - * offsetofend(TYPE, MEMBER) - * - * @TYPE: The type of the structure - * @MEMBER: The member within the structure to get the end offset of - * - * Simple helper macro for dealing with variable sized structures passed - * from user space. This allows us to easily determine if the provided - * structure is sized to include various fields. - */ -#define offsetofend(TYPE, MEMBER) \ - (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) - /* * External user API */ @@ -123,4 +112,27 @@ static inline long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, return -ENOTTY; } #endif /* CONFIG_EEH */ + +/* + * IRQfd - generic + */ +struct virqfd { + void *opaque; + struct eventfd_ctx *eventfd; + int (*handler)(void *, void *); + void (*thread)(void *, void *); + void *data; + struct work_struct inject; + wait_queue_t wait; + poll_table pt; + struct work_struct shutdown; + struct virqfd **pvirqfd; +}; + +extern int vfio_virqfd_enable(void *opaque, + int (*handler)(void *, void *), + void (*thread)(void *, void *), + void *data, struct virqfd **pvirqfd, int fd); +extern void vfio_virqfd_disable(struct virqfd **pvirqfd); + #endif /* VFIO_H */ |