Lines Matching defs:df

27 	struct vfio_device_file *df;
34 	df = vfio_allocate_device_file(device);
35 	if (IS_ERR(df)) {
36 		ret = PTR_ERR(df);
40 	filep->private_data = df;
56 static void vfio_df_get_kvm_safe(struct vfio_device_file *df)
58 	spin_lock(&df->kvm_ref_lock);
59 	vfio_device_get_kvm_safe(df->device, df->kvm);
60 	spin_unlock(&df->kvm_ref_lock);
83 long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,
87 	struct vfio_device *device = df->device;
93 	static_assert(__same_type(arg->out_devid, df->devid));
110 	if (df->group)
119 	if (df->access_granted) {
128 	df->iommufd = iommufd_ctx_from_fd(bind.iommufd);
129 	if (IS_ERR(df->iommufd)) {
130 		ret = PTR_ERR(df->iommufd);
131 		df->iommufd = NULL;
141 	vfio_df_get_kvm_safe(df);
143 	ret = vfio_df_open(df);
147 	ret = copy_to_user(&arg->out_devid, &df->devid,
148 			   sizeof(df->devid)) ? -EFAULT : 0;
157 	smp_store_release(&df->access_granted, true);
162 	vfio_df_close(df);
165 	iommufd_ctx_put(df->iommufd);
166 	df->iommufd = NULL;
173 void vfio_df_unbind_iommufd(struct vfio_device_file *df)
175 	struct vfio_device *device = df->device;
179 	 * changing this flag.  So read df->access_granted without lock
182 	if (!df->access_granted)
186 	vfio_df_close(df);
188 	iommufd_ctx_put(df->iommufd);
194 int vfio_df_ioctl_attach_pt(struct vfio_device_file *df,
198 	struct vfio_device *device = df->device;
253 int vfio_df_ioctl_detach_pt(struct vfio_device_file *df,
257 	struct vfio_device *device = df->device;