diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index e6997ff230..35cad6f944 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -173,6 +173,11 @@
   IOCTL(SIOCGSTAMP, IOC_R, MK_PTR(MK_STRUCT(STRUCT_timeval)))
   IOCTL(SIOCGSTAMPNS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_timespec)))
 
+  IOCTL(RNDGETENTCNT, IOC_R, MK_PTR(TYPE_INT))
+  IOCTL(RNDADDTOENTCNT, IOC_W, MK_PTR(TYPE_INT))
+  IOCTL(RNDZAPENTCNT, 0, TYPE_NULL)
+  IOCTL(RNDCLEARPOOL, 0, TYPE_NULL)
+
   IOCTL(CDROMPAUSE, 0, TYPE_NULL)
   IOCTL(CDROMSTART, 0, TYPE_NULL)
   IOCTL(CDROMSTOP, 0, TYPE_NULL)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 3ef4d1c568..9d4cc4cf5d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -59,6 +59,7 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
 #include <linux/icmp.h>
 #include <linux/icmpv6.h>
 #include <linux/errqueue.h>
+#include <linux/random.h>
 #include "qemu-common.h"
 #ifdef CONFIG_TIMERFD
 #include <sys/timerfd.h>
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 40c5027e93..b3d55e35ac 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1060,6 +1060,13 @@ struct target_pollfd {
 
 #define TARGET_SIOCGIWNAME     0x8B01          /* get name == wireless protocol */
 
+/* From <linux/random.h> */
+
+#define TARGET_RNDGETENTCNT    TARGET_IOR('R', 0x00, int)
+#define TARGET_RNDADDTOENTCNT  TARGET_IOW('R', 0x01, int)
+#define TARGET_RNDZAPENTCNT    TARGET_IO('R', 0x04)
+#define TARGET_RNDCLEARPOOL    TARGET_IO('R', 0x06)
+
 /* From <linux/fs.h> */
 
 #define TARGET_BLKROSET   TARGET_IO(0x12,93) /* set device read-only (0 = read-write) */