kernel_liteos_a/fs/vfs/disk/disk_shellcmd.c

77 lines
2.7 KiB
C

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdio.h"
#include "stdlib.h"
#include "los_config.h"
#ifdef LOSCFG_SHELL_CMD_DEBUG
#include "disk.h"
#include "shcmd.h"
#include "shell.h"
#include "fs/path_cache.h"
INT32 osShellCmdPartInfo(INT32 argc, const CHAR **argv)
{
struct Vnode *node = NULL;
los_part *part = NULL;
const CHAR *str = "/dev";
int ret;
if ((argc != 1) || (strncmp(argv[0], str, strlen(str)) != 0)) {
PRINTK("Usage :\n");
PRINTK(" partinfo <dev_vnodename>\n");
PRINTK(" dev_vnodename : the name of dev\n");
PRINTK("Example:\n");
PRINTK(" partinfo /dev/sdap0 \n");
set_errno(EINVAL);
return -LOS_NOK;
}
VnodeHold();
ret = VnodeLookup(argv[0], &node, 0);
if (ret < 0) {
PRINT_ERR("no part found\n");
VnodeDrop();
set_errno(ENOENT);
return -LOS_NOK;
}
part = los_part_find(node);
VnodeDrop();
show_part(part);
return LOS_OK;
}
SHELLCMD_ENTRY(partinfo_shellcmd, CMD_TYPE_EX, "partinfo", XARGS, (CmdCallBackFunc)osShellCmdPartInfo);
#endif