diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 7193c3b2269abb37ff546d54d492823baa662947..f182d40190ed43ffa1bbc4fd09cb745ff3028edc 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -637,6 +637,10 @@
   IOCTL(LOOP_SET_STATUS64, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
   IOCTL(LOOP_GET_STATUS64, IOC_R, MK_PTR(MK_STRUCT(STRUCT_loop_info64)))
   IOCTL(LOOP_CHANGE_FD, 0, TYPE_INT)
+  IOCTL(LOOP_SET_CAPACITY, 0, TYPE_INT)
+  IOCTL(LOOP_SET_DIRECT_IO, 0, TYPE_INT)
+  IOCTL(LOOP_SET_BLOCK_SIZE, 0, TYPE_INT)
+  IOCTL(LOOP_CONFIGURE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_loop_config)))
 
   IOCTL(LOOP_CTL_ADD, 0, TYPE_INT)
   IOCTL(LOOP_CTL_REMOVE, 0, TYPE_INT)
diff --git a/linux-user/linux_loop.h b/linux-user/linux_loop.h
index c69fea11e4e130827fb3d113dfd5fdaa6ab083c5..f80b96f1ff92c71bc1232b733d375a3f288df379 100644
--- a/linux-user/linux_loop.h
+++ b/linux-user/linux_loop.h
@@ -96,6 +96,8 @@ struct loop_info64 {
 #define LOOP_CHANGE_FD		0x4C06
 #define LOOP_SET_CAPACITY       0x4C07
 #define LOOP_SET_DIRECT_IO      0x4C08
+#define LOOP_SET_BLOCK_SIZE     0x4C09
+#define LOOP_CONFIGURE          0x4C0A
 
 /* /dev/loop-control interface */
 #define LOOP_CTL_ADD            0x4C80
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 41aaafbac12c5d9225f107dc7666ad0030f1952c..0b139759377b6b3a1d09173fd549f28d22f6736e 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1219,6 +1219,10 @@ struct target_rtc_pll_info {
 #define TARGET_LOOP_SET_STATUS64      0x4C04
 #define TARGET_LOOP_GET_STATUS64      0x4C05
 #define TARGET_LOOP_CHANGE_FD         0x4C06
+#define TARGET_LOOP_SET_CAPACITY      0x4C07
+#define TARGET_LOOP_SET_DIRECT_IO     0x4C08
+#define TARGET_LOOP_SET_BLOCK_SIZE    0x4C09
+#define TARGET_LOOP_CONFIGURE         0x4C0A
 
 #define TARGET_LOOP_CTL_ADD           0x4C80
 #define TARGET_LOOP_CTL_REMOVE        0x4C81
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index ba2c1518eb5c7b46727ed2fbdabd5446fb2ec3f0..c3b43f80223a9e3f5e028f5f88210067dfe20387 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -201,6 +201,12 @@ STRUCT(loop_info64,
        MK_ARRAY(TYPE_CHAR, 32),  /* lo_encrypt_key */
        MK_ARRAY(TYPE_ULONGLONG, 2))  /* lo_init */
 
+STRUCT(loop_config,
+       TYPE_INT,                 /* fd */
+       TYPE_INT,                 /* block_size */
+       MK_STRUCT(STRUCT_loop_info64), /* info */
+       MK_ARRAY(TYPE_ULONGLONG, 8)) /* __reserved */
+
 /* mag tape ioctls */
 STRUCT(mtop, TYPE_SHORT, TYPE_INT)
 STRUCT(mtget, TYPE_LONG, TYPE_LONG, TYPE_LONG, TYPE_LONG, TYPE_LONG,