!136 add tracepoint test

Merge pull request !136 from 闻飞/master

test/BUILD.gn

@@ -48,5 +48,8 @@ group("linuxkerneltest") {
       ":init_runtest",
       "fuzztest:fuzztest",
     ]
+    if ("$device_name" == "rk3568") {
+      deps += [ "tracepointtest:tracepointtest" ]
+    }
   }
 }

test/tracepointtest/BUILD.gn

@@ -0,0 +1,21 @@
+# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build/ohos.gni")
+
+action("tracepointtest") {
+  script = "tracepoint.sh"
+  outputs =
+      [ "$root_build_dir/tests/kernel_shelltest/tracepointtest.timestamp" ]
+  deps = [ "//device/board/hihope/rk3568/kernel:kernel" ]
+}

test/tracepointtest/Kconfig

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Kconfig for tracepoint test
+#
+
+menu "tracepoint test"
+
+source "drivers/tracepointtest/vendordommap_test/Kconfig"
+
+source "drivers/tracepointtest/vendordomprotectpkey_test/Kconfig"
+
+source "drivers/tracepointtest/tracepoint_test/Kconfig"
+
+source "drivers/tracepointtest/vendoramlemmcpartition_test/Kconfig"
+
+source "drivers/tracepointtest/vendorfakebootpartition_test/Kconfig"
+
+endmenu

test/tracepointtest/Makefile

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for tracepoint test
+#
+
+obj-$(CONFIG_TRACEPOINT_MMAP)	+= vendordommap_test/
+obj-$(CONFIG_TRACEPOINT_MPROTECT_PKEY)	+= vendordomprotectpkey_test/
+obj-$(CONFIG_TRACEPOINT_TEST)	+= tracepoint_test/
+obj-$(CONFIG_TRACEPOINT_AML_EMMC_PARTITION)	+= vendoramlemmcpartition_test/
+obj-$(CONFIG_TRACEPOINT_FAKE_BOOT_PARTITION)	+= vendorfakebootpartition_test/

test/tracepointtest/emmc.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM emmc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOKS_EMMC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOKS_EMMC_H
+
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/tracepoint.h>
+
+DECLARE_HOOK(vendor_aml_emmc_partition,
+	TP_PROTO(unsigned long prot, int *err),
+	TP_ARGS(prot, err)
+);
+
+DECLARE_HOOK(vendor_fake_boot_partition,
+	TP_PROTO(unsigned long prot, int *err),
+	TP_ARGS(prot, err)
+);
+
+#endif
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>

test/tracepointtest/rockchip_linux_defconfig

@@ -0,0 +1,11 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Linux/arm64 5.10.79 Kernel Configuration
+#
+
+CONFIG_VENDOR_HOOKS=y
+CONFIG_TRACEPOINT_MMAP=m
+CONFIG_TRACEPOINT_MPROTECT_PKEY=m
+CONFIG_TRACEPOINT_TEST=m
+CONFIG_TRACEPOINT_AML_EMMC_PARTITION=m
+CONFIG_TRACEPOINT_FAKE_BOOT_PARTITION=m

test/tracepointtest/tracepoint.sh

@@ -0,0 +1,176 @@
+#!/bin/sh
+################################################################################
+#
+# Copyright (C) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+# File: tracepoint.sh
+#
+# Description: test tracepoint
+#
+# Authors:     yang ming di
+#
+# History:     August 4 2022 - test tracepoint
+#
+################################################################################
+
+CURRENT_DIR=$(pwd)
+ROOT_DIR=$(cd $CURRENT_DIR/../../ && pwd)
+ROOT_FILE_DIR=$ROOT_DIR/kernel/linux/build/test/tracepointtest
+#ROOT_TEST_DIR=$(cd $CURRENT_DIR/../../../../../ && pwd)
+COMPILE_DIR=$ROOT_DIR/out/kernel/src_tmp/linux-5.10
+OBJ_DIR=$ROOT_DIR/out/kernel/OBJ
+DRIVERS_DIR=${ROOT_DIR}/out/kernel/src_tmp/linux-5.10/drivers
+TRACEPOINT_INCLUDE_DIR=${ROOT_DIR}/out/kernel/src_tmp/linux-5.10/include/trace/hooks
+DRIVERS_TRACEPOINT_DIR=${ROOT_DIR}/out/kernel/src_tmp/linux-5.10/drivers/tracepointtest
+CONFIG_DIR=${ROOT_DIR}/out/kernel/src_tmp/linux-5.10/arch/arm64/configs
+
+copy() {
+  echo "copy $1 to $2"
+  cp -rf $1 $2
+}
+
+modify_config() {
+  if [ -e $CONFIG_DIR/tmp ]; then
+    rm -f $CONFIG_DIR/tmp
+  fi
+
+  cp -f $CONFIG_DIR/$2 $CONFIG_DIR/$2_tmpfile
+
+  while read line; do
+    echo "$line" >>$CONFIG_DIR/tmp
+  done <$CONFIG_DIR/$2
+
+  while read line; do
+    if [[ "$line" != "#"* ]]; then
+      echo "$line" >>$CONFIG_DIR/tmp
+    fi
+  done <$1
+
+  mv $CONFIG_DIR/tmp $CONFIG_DIR/$2
+}
+
+modify_files() {
+  KCONFIG=$DRIVERS_DIR/Kconfig
+  MAKEFILE=$DRIVERS_DIR/Makefile
+  VENDOR_HOOKS=$DRIVERS_DIR/hooks/vendor_hooks.c
+  TMPFILE=$DRIVERS_DIR/tmp
+
+  cp -f $KCONFIG ${KCONFIG}_tmpfile
+  cp -f $MAKEFILE ${MAKEFILE}_tmpfile
+  cp -f $VENDOR_HOOKS ${VENDOR_HOOKS}_tmpfile
+
+  if [ -e $TMPFILE ]; then
+    rm -f $TMPFILE
+  fi
+
+  while read line; do
+    if [[ "$line" != "endmenu" ]]; then
+      echo "$line" >>$TMPFILE
+    fi
+  done <$KCONFIG
+  echo "source \"drivers/tracepointtest/Kconfig\"" >>$TMPFILE
+  echo "endmenu" >>$TMPFILE
+  mv $TMPFILE $KCONFIG
+
+  while read line; do
+    echo "$line" >>$TMPFILE
+  done <$MAKEFILE
+  echo "obj-y   += tracepointtest/" >>$TMPFILE
+  mv $TMPFILE $MAKEFILE
+
+  while read line; do
+    echo "$line" >>$TMPFILE
+  done <$VENDOR_HOOKS
+  echo "#include <trace/hooks/emmc.h>" >>$TMPFILE
+  echo "EXPORT_TRACEPOINT_SYMBOL_GPL(vendor_aml_emmc_partition);" >>$TMPFILE
+  echo "EXPORT_TRACEPOINT_SYMBOL_GPL(vendor_fake_boot_partition);" >>$TMPFILE
+  mv $TMPFILE $VENDOR_HOOKS
+}
+
+compile() {
+  cd $COMPILE_DIR || exit
+  export PRODUCT_COMPANY=hihope
+  export DEVICE_NAME=rk3568
+  export DEVICE_COMPANY=rockchip
+  export PRODUCT_PATH=~/OpenHarmony/master/out/kernel/vendor/hihope/rk3568
+  ./make-ohos.sh TB-RK3568X0 >null
+  if [ $? -ne 0 ]; then
+    echo "compile failed"
+    exit 1
+  else
+    echo "compile success"
+  fi
+}
+
+collectKO() {
+  if [ -e $OBJ_DIR/kofiles ]; then
+    rm -f $OBJ_DIR/kofiles
+    mkdir -p $OBJ_DIR/kofiles
+  else
+    mkdir -p $OBJ_DIR/kofiles
+  fi
+
+  find $DRIVERS_TRACEPOINT_DIR -name '*.ko' | xargs cp -t $OBJ_DIR/kofiles
+}
+
+restore() {
+  CONFIGNAME=rockchip_linux_defconfig
+  KCONFIG=$DRIVERS_DIR/Kconfig
+  MAKEFILE=$DRIVERS_DIR/Makefile
+  VENDOR_HOOKS=$DRIVERS_DIR/hooks/vendor_hooks.c
+
+  rm -rf $DRIVERS_TRACEPOINT_DIR
+  mv -f $CONFIG_DIR/${CONFIGNAME}_tmpfile $CONFIG_DIR/$CONFIGNAME
+  mv -f ${KCONFIG}_tmpfile $KCONFIG
+  mv -f ${MAKEFILE}_tmpfile $MAKEFILE
+  mv -f ${VENDOR_HOOKS}_tmpfile $VENDOR_HOOKS
+  rm -rf $COMPILE_DIR/.lock
+}
+
+main() {
+  if [ -e $COMPILE_DIR/.lock ]; then
+    restore
+  fi
+
+  echo "" >$COMPILE_DIR/.lock
+
+  if [ -d $DRIVERS_DIR/tracepointtest ]; then
+    rm -rf $DRIVERS_DIR/tracepointtest
+    mkdir -p $DRIVERS_DIR/tracepointtest
+  else
+    mkdir -p $DRIVERS_DIR/tracepointtest
+  fi
+
+  for dir in $(ls $ROOT_FILE_DIR); do
+    if [ -d $ROOT_FILE_DIR/$dir ]; then
+      copy $ROOT_FILE_DIR/$dir $DRIVERS_TRACEPOINT_DIR/$dir
+    elif [[ "$dir" == "Makefile" ]]; then
+      copy $ROOT_FILE_DIR/$dir $DRIVERS_TRACEPOINT_DIR/$dir
+    elif [[ "$dir" == "Kconfig" ]]; then
+      copy $ROOT_FILE_DIR/$dir $DRIVERS_TRACEPOINT_DIR/$dir
+    elif [[ $dir == *.h ]]; then
+      copy $ROOT_FILE_DIR/$dir $TRACEPOINT_INCLUDE_DIR/$dir
+    elif [[ "$dir" == "rockchip_linux_defconfig" ]]; then
+      modify_config $ROOT_FILE_DIR/$dir $dir
+    fi
+  done
+
+  modify_files
+  compile
+  collectKO
+  restore
+}
+
+main

test/tracepointtest/tracepoint_test/Kconfig

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config TRACEPOINT_TEST
+  tristate "Test Tracepoint For Vendor Hooks"
+  default m
+  help
+    Enable test tracepoint for vendor hooks
+    Allow vendor modules to attach driver hooks defined via
+    DECLARE_HOOK or DECLARE_RESTRICTED_HOOK

test/tracepointtest/tracepoint_test/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for test tracepoint
+#
+
+obj-$(CONFIG_TRACEPOINT_TEST)		+= tracepoint_test.o

test/tracepointtest/tracepoint_test/tracepoint_test.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <trace/hooks/mm.h>
+#include <trace/hooks/emmc.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+static int tracepoint_test_init_module(void)
+{
+    pr_info("tracepoint test module init\n");
+    trace_vendor_do_mmap(NULL, NULL);
+    trace_vendor_do_mprotect_pkey(NULL, NULL);
+    trace_vendor_aml_emmc_partition(NULL, NULL);
+    trace_vendor_fake_boot_partition(NULL, NULL);
+    return 0;
+}
+
+static void tracepoint_test_exit_module(void)
+{
+    pr_info("tracepoint test module exit\n");
+}
+
+/* module entry points */
+module_init(tracepoint_test_init_module);
+module_exit(tracepoint_test_exit_module);
+MODULE_LICENSE ("GPL v2");

test/tracepointtest/tracepointtestko.sh

@@ -0,0 +1,67 @@
+#!/bin/sh
+################################################################################
+#
+# Copyright (C) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+# File: tracepointtestko.sh
+#
+# Description: tracepoint ko test
+#
+# Authors:     yang ming di
+#
+# History:     August 4 2022 - tracepoint ko test
+#
+################################################################################
+
+CURRENT_DIR=$(pwd)
+KO_DIR=$CURRENT_DIR/kofile
+
+insmod_ko() {
+  for dir in $(ls $KO_DIR); do
+    if [[ "$dir" != "tracepoint_test.ko" ]]; then
+      insmod $KO_DIR/$dir
+      echo "$KO_DIR/$dir is loaded"
+    fi
+  done
+
+  insmod $KO_DIR/tracepoint_test.ko
+
+  arr=(vendor_do_mmap vendor_do_mprotect_pkey vendor_aml_emmc_partition vendor_fake_boot_partition)
+  for i in ${arr[@]}; do
+    dmesg | grep $i >/dev/null
+    if [ $? -eq 0 ]; then
+      echo "tracepoint $i succeed"
+    else
+      echo "tracepoint $i failed"
+    fi
+  done
+}
+
+rmmod_ko() {
+  for dir in $(ls $KO_DIR); do
+      rmmod $KO_DIR/$dir
+      echo "$KO_DIR/$dir is removed"
+  done
+}
+
+main() {
+  if [[ $1 == "rmmod_ko" ]]; then
+    rmmod_ko
+  else
+    insmod_ko
+  fi
+}
+
+main $1

test/tracepointtest/vendoramlemmcpartition_test/Kconfig

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config TRACEPOINT_AML_EMMC_PARTITION
+  tristate "AML_EMMC_PARTITION Tracepoint For Vendor Hooks"
+  depends on VENDOR_HOOKS
+  default m
+  help
+    Enable aml emmc partition tracepoint for vendor hooks
+    Allow vendor modules to attach driver hooks defined via
+    DECLARE_HOOK or DECLARE_RESTRICTED_HOOK

test/tracepointtest/vendoramlemmcpartition_test/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for aml emmc partition tracepoint
+#
+
+obj-$(CONFIG_TRACEPOINT_AML_EMMC_PARTITION)		+= vendoramlemmcpartition_test.o

test/tracepointtest/vendoramlemmcpartition_test/vendoramlemmcpartition_test.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <trace/hooks/emmc.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+static void vendor_aml_emmc_partition(void *data, unsigned long prot, int *err)
+{
+    pr_info("%s\n", __func__);
+}
+
+static int aml_emmc_partition_test_init_module(void)
+{
+    return register_trace_vendor_aml_emmc_partition(&vendor_aml_emmc_partition, NULL);
+}
+
+static void aml_emmc_partition_test_exit_module(void)
+{
+    unregister_trace_vendor_aml_emmc_partition(&vendor_aml_emmc_partition, NULL);
+}
+
+/* module entry points */
+module_init(aml_emmc_partition_test_init_module);
+module_exit(aml_emmc_partition_test_exit_module);
+MODULE_LICENSE ("GPL v2");

test/tracepointtest/vendordommap_test/Kconfig

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config TRACEPOINT_MMAP
+  tristate "MMAP Tracepoint For Vendor Hooks"
+  depends on VENDOR_HOOKS
+  default m
+  help
+    Enable mmap tracepoint for vendor hooks
+    Allow vendor modules to attach driver hooks defined via
+    DECLARE_HOOK or DECLARE_RESTRICTED_HOOK

test/tracepointtest/vendordommap_test/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for mmap tracepoint
+#
+
+obj-$(CONFIG_TRACEPOINT_MMAP)		+= vendordommap_test.o

test/tracepointtest/vendordommap_test/vendordommap_test.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <trace/hooks/mm.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+static void vendor_do_mmap(void *data, vm_flags_t *vm_flags, int *err)
+{
+    pr_info("%s\n", __func__);
+}
+
+static int mmap_test_init_module(void)
+{
+    return register_trace_vendor_do_mmap(&vendor_do_mmap, NULL);
+}
+
+static void mmap_test_exit_module(void)
+{
+    unregister_trace_vendor_do_mmap(&vendor_do_mmap, NULL);
+}
+
+/* module entry points */
+module_init(mmap_test_init_module);
+module_exit(mmap_test_exit_module);
+MODULE_LICENSE ("GPL v2");

test/tracepointtest/vendordomprotectpkey_test/Kconfig

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config TRACEPOINT_MPROTECT_PKEY
+  tristate "MPROTECT_PKEY Tracepoint For Vendor Hooks"
+  depends on VENDOR_HOOKS
+  default m
+  help
+    Enable mprotect pkey tracepoint for vendor hooks
+    Allow vendor modules to attach driver hooks defined via
+    DECLARE_HOOK or DECLARE_RESTRICTED_HOOK

test/tracepointtest/vendordomprotectpkey_test/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for mprotect pkey tracepoint
+#
+
+obj-$(CONFIG_TRACEPOINT_MPROTECT_PKEY)		+= vendordomprotectpkey_test.o

test/tracepointtest/vendordomprotectpkey_test/vendordomprotectpkey_test.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <trace/hooks/mm.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+static void vendor_do_mprotect_pkey(void *data, unsigned long prot, int *err)
+{
+    pr_info("%s\n", __func__);
+}
+
+static int mprotect_pkey_test_init_module(void)
+{
+    return register_trace_vendor_do_mprotect_pkey(&vendor_do_mprotect_pkey, NULL);
+}
+
+static void mprotect_pkey_test_exit_module(void)
+{
+    unregister_trace_vendor_do_mprotect_pkey(&vendor_do_mprotect_pkey, NULL);
+}
+
+/* module entry points */
+module_init(mprotect_pkey_test_init_module);
+module_exit(mprotect_pkey_test_exit_module);
+MODULE_LICENSE ("GPL v2");

test/tracepointtest/vendorfakebootpartition_test/Kconfig

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config TRACEPOINT_FAKE_BOOT_PARTITION
+  tristate "FAKE_BOOT_PARTITION Tracepoint For Vendor Hooks"
+  depends on VENDOR_HOOKS
+  default m
+  help
+    Enable fake boot partition tracepoint for vendor hooks
+    Allow vendor modules to attach driver hooks defined via
+    DECLARE_HOOK or DECLARE_RESTRICTED_HOOK

test/tracepointtest/vendorfakebootpartition_test/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for fake boot partition tracepoint
+#
+
+obj-$(CONFIG_TRACEPOINT_FAKE_BOOT_PARTITION)		+= vendorfakebootpartition_test.o

test/tracepointtest/vendorfakebootpartition_test/vendorfakebootpartition_test.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <trace/hooks/emmc.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+static void vendor_fake_boot_partition(void *data, unsigned long prot, int *err)
+{
+    pr_info("%s\n", __func__);
+}
+
+static int fake_boot_partition_test_init_module(void)
+{
+    return register_trace_vendor_fake_boot_partition(&vendor_fake_boot_partition, NULL);
+}
+
+static void fake_boot_partition_test_exit_module(void)
+{
+    unregister_trace_vendor_fake_boot_partition(&vendor_fake_boot_partition, NULL);
+}
+
+/* module entry points */
+module_init(fake_boot_partition_test_init_module);
+module_exit(fake_boot_partition_test_exit_module);
+MODULE_LICENSE ("GPL v2");