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Diffstat (limited to 'include/linux/vfio.h')
-rw-r--r--include/linux/vfio.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index e7cebeb875dd..a7fc4d747dc2 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -17,6 +17,8 @@
#include <linux/iova_bitmap.h>
struct kvm;
+struct iommufd_ctx;
+struct iommufd_device;
/*
* VFIO devices can be placed in a set, this allows all devices to share this
@@ -54,6 +56,10 @@ struct vfio_device {
struct completion comp;
struct list_head group_next;
struct list_head iommu_entry;
+#if IS_ENABLED(CONFIG_IOMMUFD)
+ struct iommufd_device *iommufd_device;
+ bool iommufd_attached;
+#endif
};
/**
@@ -80,6 +86,10 @@ struct vfio_device_ops {
char *name;
int (*init)(struct vfio_device *vdev);
void (*release)(struct vfio_device *vdev);
+ int (*bind_iommufd)(struct vfio_device *vdev,
+ struct iommufd_ctx *ictx, u32 *out_device_id);
+ void (*unbind_iommufd)(struct vfio_device *vdev);
+ int (*attach_ioas)(struct vfio_device *vdev, u32 *pt_id);
int (*open_device)(struct vfio_device *vdev);
void (*close_device)(struct vfio_device *vdev);
ssize_t (*read)(struct vfio_device *vdev, char __user *buf,
@@ -96,6 +106,21 @@ struct vfio_device_ops {
void __user *arg, size_t argsz);
};
+#if IS_ENABLED(CONFIG_IOMMUFD)
+int vfio_iommufd_physical_bind(struct vfio_device *vdev,
+ struct iommufd_ctx *ictx, u32 *out_device_id);
+void vfio_iommufd_physical_unbind(struct vfio_device *vdev);
+int vfio_iommufd_physical_attach_ioas(struct vfio_device *vdev, u32 *pt_id);
+#else
+#define vfio_iommufd_physical_bind \
+ ((int (*)(struct vfio_device *vdev, struct iommufd_ctx *ictx, \
+ u32 *out_device_id)) NULL)
+#define vfio_iommufd_physical_unbind \
+ ((void (*)(struct vfio_device *vdev)) NULL)
+#define vfio_iommufd_physical_attach_ioas \
+ ((int (*)(struct vfio_device *vdev, u32 *pt_id)) NULL)
+#endif
+
/**
* @migration_set_state: Optional callback to change the migration state for
* devices that support migration. It's mandatory for