diff --git a/kmpp/base/inc/kmpp_buffer.h b/kmpp/base/inc/kmpp_buffer.h
index 88f71fd3..361cdc26 100644
--- a/kmpp/base/inc/kmpp_buffer.h
+++ b/kmpp/base/inc/kmpp_buffer.h
@@ -32,12 +32,15 @@ typedef enum {
  * 4. kmpp_buf_grp_setup() to activate buffer group config
  * 5. kmpp_buf_grp_put() to release buffer group with group config
  */
+#define KMPP_BUF_GRP_IOCTL_TABLE(prefix, IOC_CTX, IOC_IN_, IOC_OUT, IOC_IO_) \
+    IOC_CTX(prefix, setup,      0)
+
 #define KMPP_OBJ_NAME                   kmpp_buf_grp
 #define KMPP_OBJ_INTF_TYPE              KmppBufGrp
+#define KMPP_OBJ_FUNC_IOCTL             KMPP_BUF_GRP_IOCTL_TABLE
 #include "kmpp_obj_func.h"
 
 KmppBufGrpCfg kmpp_buf_grp_to_cfg(KmppBufGrp grp);
-rk_s32 kmpp_buf_grp_setup(KmppBufGrp grp);
 
 #define KMPP_BUF_GRP_CFG_ENTRY_TABLE(prefix, ENTRY, STRCT, EHOOK, SHOOK, ALIAS) \
     ENTRY(prefix, u32,  rk_u32,         flag,       FLAG_NONE,  flag) \
@@ -66,14 +69,17 @@ rk_s32 kmpp_buf_grp_setup(KmppBufGrp grp);
  * 4. kmpp_buffer_setup() to activate buffer config
  * 5. kmpp_buffer_put() to release buffer with config
  */
+#define KMPP_BUFFER_IOCTL_TABLE(prefix, IOC_CTX, IOC_IN_, IOC_OUT, IOC_IO_) \
+    IOC_CTX(prefix, setup,      0) \
+    IOC_CTX(prefix, inc_ref,    1) \
+    IOC_CTX(prefix, flush,      2)
+
 #define KMPP_OBJ_NAME                   kmpp_buffer
 #define KMPP_OBJ_INTF_TYPE              KmppBuffer
+#define KMPP_OBJ_FUNC_IOCTL             KMPP_BUFFER_IOCTL_TABLE
 #include "kmpp_obj_func.h"
 
 KmppBufCfg kmpp_buffer_to_cfg(KmppBuffer buf);
-rk_s32 kmpp_buffer_setup(KmppBuffer buffer);
-rk_s32 kmpp_buffer_inc_ref(KmppBuffer buffer);
-rk_s32 kmpp_buffer_flush(KmppBuffer buffer);
 
 #define KMPP_BUF_CFG_ENTRY_TABLE(prefix, ENTRY, STRCT, EHOOK, SHOOK, ALIAS) \
     ENTRY(prefix, u32,  rk_u32,         size,       FLAG_NONE,  size) \
diff --git a/kmpp/base/kmpp_buffer.c b/kmpp/base/kmpp_buffer.c
index 8423c548..a2beb2b7 100644
--- a/kmpp/base/kmpp_buffer.c
+++ b/kmpp/base/kmpp_buffer.c
@@ -34,16 +34,6 @@ KmppBufGrpCfg kmpp_buf_grp_to_cfg(KmppBufGrp grp)
     return NULL;
 }
 
-rk_s32 kmpp_buf_grp_setup(KmppBufGrp group)
-{
-    KmppBufGrpImpl *impl = kmpp_obj_to_entry(group);
-
-    if (!impl)
-        mpp_loge_f("invalid NULL group\n");
-
-    return kmpp_obj_ioctl_f(group, 0, group, NULL);
-}
-
 rk_s32 kmpp_buf_grp_impl_init(void *entry, KmppObj obj, const char *caller)
 {
     KmppBufGrpPriv *priv = (KmppBufGrpPriv *)kmpp_obj_to_priv(obj);
@@ -96,6 +86,7 @@ rk_s32 kmpp_buf_grp_impl_deinit(void *entry, KmppObj obj, const char *caller)
 #define KMPP_OBJ_SGLN_ID            MPP_SGLN_KMPP_BUF_GRP
 #define KMPP_OBJ_FUNC_INIT          kmpp_buf_grp_impl_init
 #define KMPP_OBJ_FUNC_DEINIT        kmpp_buf_grp_impl_deinit
+#define KMPP_OBJ_FUNC_IOCTL         KMPP_BUF_GRP_IOCTL_TABLE
 #define KMPP_OBJ_PRIV_SIZE          sizeof(KmppBufGrpPriv)
 #include "kmpp_obj_helper.h"
 
@@ -118,40 +109,6 @@ KmppBufCfg kmpp_buffer_to_cfg(KmppBuffer buf)
     return NULL;
 }
 
-rk_s32 kmpp_buffer_setup(KmppBuffer buffer)
-{
-    KmppBufferImpl *impl = (KmppBufferImpl *)kmpp_obj_to_entry(buffer);
-
-    if (!impl)
-        mpp_loge_f("invalid NULL buffer\n");
-
-    return kmpp_obj_ioctl_f(buffer, 0, buffer, NULL);
-}
-
-rk_s32 kmpp_buffer_inc_ref(KmppBuffer buffer)
-{
-    KmppBufferImpl *impl = (KmppBufferImpl *)kmpp_obj_to_entry(buffer);
-
-    if (!impl) {
-        mpp_loge_f("invalid NULL buffer\n");
-        return rk_nok;
-    }
-
-    return kmpp_obj_ioctl_f(buffer, 1, buffer, NULL);
-}
-
-rk_s32 kmpp_buffer_flush(KmppBuffer buffer)
-{
-    KmppBufferImpl *impl = (KmppBufferImpl *)kmpp_obj_to_entry(buffer);
-
-    if (!impl) {
-        mpp_loge_f("invalid NULL buffer\n");
-        return rk_nok;
-    }
-
-    return kmpp_obj_ioctl_f(buffer, 2, buffer, NULL);
-}
-
 rk_s32 kmpp_buffer_impl_init(void *entry, KmppObj obj, const char *caller)
 {
     KmppBufPriv *priv = (KmppBufPriv *)kmpp_obj_to_priv(obj);
@@ -209,5 +166,6 @@ rk_s32 kmpp_buffer_impl_deinit(void *entry,  KmppObj obj, const char *caller)
 #define KMPP_OBJ_SGLN_ID            MPP_SGLN_KMPP_BUFFER
 #define KMPP_OBJ_FUNC_INIT          kmpp_buffer_impl_init
 #define KMPP_OBJ_FUNC_DEINIT        kmpp_buffer_impl_deinit
+#define KMPP_OBJ_FUNC_IOCTL         KMPP_BUFFER_IOCTL_TABLE
 #define KMPP_OBJ_PRIV_SIZE          sizeof(KmppBufPriv)
 #include "kmpp_obj_helper.h"
diff --git a/kmpp/base/test/kmpp_obj_test.c b/kmpp/base/test/kmpp_obj_test.c
index c4f48c08..61836d1f 100644
--- a/kmpp/base/test/kmpp_obj_test.c
+++ b/kmpp/base/test/kmpp_obj_test.c
@@ -216,7 +216,7 @@ static rk_s32 kmpp_buffer_test(const char *name, rk_u32 flag)
     }
 
     /* enable KmppBufferCfg by ioctl */
-    ret = kmpp_obj_ioctl_f(buf, 0, buf, NULL);
+    ret = kmpp_buffer_setup(buf);
 
     test_detail("object %s ioctl ret %d\n", kmpp_obj_get_name(buf), ret);