#!/bin/bash
#
# Copyright(c) 2012-2022 Intel Corporation
# Copyright(c) 2024 Huawei Technologies
# SPDX-License-Identifier: BSD-3-Clause
#

. $(dirname $3)/conf_framework.sh

check() {
	cur_name=$(basename $2)
	config_file_path=$1
	if compile_module $cur_name "struct block_device_operations *ops; struct block_device *bd; ops->open(bd, 0);" "linux/blkdev.h"
	then
		echo $cur_name "1" >> $config_file_path
	elif compile_module $cur_name "struct block_device_operations *ops; struct gendisk *gd; ops->open(gd, 0);" "linux/blkdev.h"
	then
		echo $cur_name "2" >> $config_file_path
	else
		echo $cur_name "X" >> $config_file_path
	fi
}

apply() {
	add_define "CAS_REFER_BDEV_OPEN_CALLBACK(name) \\
			name##_callback_wrapper"
	case "$1" in
	"1")
		add_define "CAS_BDEV_OPEN(name, DISK) \\
			static int name##_callback(DISK); \\
			static int name##_callback_wrapper(struct block_device *bdev, \\
					CAS_BLK_MODE _mode) \\
			{ \\
				return name##_callback(bdev->bd_disk); \\
			} \\
			static int name##_callback(DISK)";;
	"2")
		add_define "CAS_BDEV_OPEN(name, DISK) \\
			static int name##_callback(DISK); \\
			static int name##_callback_wrapper(struct gendisk *gd, \\
					CAS_BLK_MODE _mode) \\
			{ \\
				return name##_callback(gd->part0->bd_disk); \\
			} \\
			static int name##_callback(DISK)";;
	esac
}

conf_run $@