27 	struct vfio_device_file *df;  in vfio_device_fops_cdev_open()  local
34 	df = vfio_allocate_device_file(device);  in vfio_device_fops_cdev_open()
35 	if (IS_ERR(df)) {  in vfio_device_fops_cdev_open()
36 		ret = PTR_ERR(df);  in vfio_device_fops_cdev_open()
40 	filep->private_data = df;  in vfio_device_fops_cdev_open()
56 static void vfio_df_get_kvm_safe(struct vfio_device_file *df)  in vfio_df_get_kvm_safe()  argument
58 	spin_lock(&df->kvm_ref_lock);  in vfio_df_get_kvm_safe()
59 	vfio_device_get_kvm_safe(df->device, df->kvm);  in vfio_df_get_kvm_safe()
60 	spin_unlock(&df->kvm_ref_lock);  in vfio_df_get_kvm_safe()
83 long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,  in vfio_df_ioctl_bind_iommufd()  argument
87 	struct vfio_device *device = df->device;  in vfio_df_ioctl_bind_iommufd()
93 	static_assert(__same_type(arg->out_devid, df->devid));  in vfio_df_ioctl_bind_iommufd()
110 	if (df->group)  in vfio_df_ioctl_bind_iommufd()
119 	if (df->access_granted) {  in vfio_df_ioctl_bind_iommufd()
128 	df->iommufd = iommufd_ctx_from_fd(bind.iommufd);  in vfio_df_ioctl_bind_iommufd()
129 	if (IS_ERR(df->iommufd)) {  in vfio_df_ioctl_bind_iommufd()
130 		ret = PTR_ERR(df->iommufd);  in vfio_df_ioctl_bind_iommufd()
131 		df->iommufd = NULL;  in vfio_df_ioctl_bind_iommufd()
141 	vfio_df_get_kvm_safe(df);  in vfio_df_ioctl_bind_iommufd()
143 	ret = vfio_df_open(df);  in vfio_df_ioctl_bind_iommufd()
147 	ret = copy_to_user(&arg->out_devid, &df->devid,  in vfio_df_ioctl_bind_iommufd()
148 			   sizeof(df->devid)) ? -EFAULT : 0;  in vfio_df_ioctl_bind_iommufd()
157 	smp_store_release(&df->access_granted, true);  in vfio_df_ioctl_bind_iommufd()
162 	vfio_df_close(df);  in vfio_df_ioctl_bind_iommufd()
165 	iommufd_ctx_put(df->iommufd);  in vfio_df_ioctl_bind_iommufd()
166 	df->iommufd = NULL;  in vfio_df_ioctl_bind_iommufd()
173 void vfio_df_unbind_iommufd(struct vfio_device_file *df)  in vfio_df_unbind_iommufd()  argument
175 	struct vfio_device *device = df->device;  in vfio_df_unbind_iommufd()
182 	if (!df->access_granted)  in vfio_df_unbind_iommufd()
186 	vfio_df_close(df);  in vfio_df_unbind_iommufd()
188 	iommufd_ctx_put(df->iommufd);  in vfio_df_unbind_iommufd()
194 int vfio_df_ioctl_attach_pt(struct vfio_device_file *df,  in vfio_df_ioctl_attach_pt()  argument
198 	struct vfio_device *device = df->device;  in vfio_df_ioctl_attach_pt()
253 int vfio_df_ioctl_detach_pt(struct vfio_device_file *df,  in vfio_df_ioctl_detach_pt()  argument
257 	struct vfio_device *device = df->device;  in vfio_df_ioctl_detach_pt()