2014-09-29 15:14:38 +02:00
|
|
|
/****************************************************************************
|
|
|
|
|
* fs/driver/driver.h
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2007, 2009, 2012, 2014 Gregory Nutt. All rights reserved.
|
|
|
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
|
|
|
*
|
|
|
|
|
* 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 NuttX 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 OWNER 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.
|
|
|
|
|
*
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#ifndef __FS_DRIVER_DRIVER_H
|
|
|
|
|
#define __FS_DRIVER_DRIVER_H
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
|
* Included Files
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
|
#include <nuttx/compiler.h>
|
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
|
|
|
|
2015-06-11 19:24:20 +02:00
|
|
|
#include "inode/inode.h"
|
|
|
|
|
|
2014-09-29 15:14:38 +02:00
|
|
|
/****************************************************************************
|
|
|
|
|
* Pre-processor Definitions
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
|
* Global Variables
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
#undef EXTERN
|
|
|
|
|
#if defined(__cplusplus)
|
|
|
|
|
#define EXTERN extern "C"
|
|
|
|
|
extern "C"
|
|
|
|
|
{
|
|
|
|
|
#else
|
|
|
|
|
#define EXTERN extern
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
|
* Public Function Prototypes
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
/* fs_findblockdriver.c *****************************************************/
|
|
|
|
|
/****************************************************************************
|
|
|
|
|
* Name: find_blockdriver
|
|
|
|
|
*
|
|
|
|
|
* Description:
|
|
|
|
|
* Return the inode of the block driver specified by 'pathname'
|
|
|
|
|
*
|
|
|
|
|
* Inputs:
|
|
|
|
|
* pathname - the full path to the block driver to be located
|
|
|
|
|
* mountflags - if MS_RDONLY is not set, then driver must support write
|
|
|
|
|
* operations (see include/sys/mount.h)
|
|
|
|
|
* ppinode - address of the location to return the inode reference
|
|
|
|
|
*
|
|
|
|
|
* Return:
|
|
|
|
|
* Returns zero on success or a negated errno on failure:
|
|
|
|
|
*
|
|
|
|
|
* EINVAL - pathname or pinode is NULL
|
|
|
|
|
* ENOENT - No block driver of this name is registered
|
|
|
|
|
* ENOTBLK - The inode associated with the pathname is not a block driver
|
|
|
|
|
* EACCESS - The MS_RDONLY option was not set but this driver does not
|
|
|
|
|
* support write access
|
|
|
|
|
*
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
int find_blockdriver(FAR const char *pathname, int mountflags,
|
|
|
|
|
FAR struct inode **ppinode);
|
|
|
|
|
|
|
|
|
|
#undef EXTERN
|
|
|
|
|
#if defined(__cplusplus)
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* __FS_DRIVER_DRIVER_H */
|
