diff --git a/libc/kernel/uapi/linux/idxd.h b/libc/kernel/uapi/linux/idxd.h
index 7118e81..d8ca23c 100644
--- a/libc/kernel/uapi/linux/idxd.h
+++ b/libc/kernel/uapi/linux/idxd.h
@@ -28,6 +28,7 @@
   IDXD_SCMD_WQ_IRQ_ERR = 0x80100000,
   IDXD_SCMD_WQ_USER_NO_IOMMU = 0x80110000,
   IDXD_SCMD_DEV_EVL_ERR = 0x80120000,
+  IDXD_SCMD_WQ_NO_DRV_NAME = 0x80200000,
 };
 #define IDXD_SCMD_SOFTERR_MASK 0x80000000
 #define IDXD_SCMD_SOFTERR_SHIFT 16