incubator-nuttx/arch/arm/include/cxd56xx/backuplog.h

149 lines
4.9 KiB
C

/****************************************************************************
* arch/arm/include/cxd56xx/backuplog.h
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* 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 Sony Semiconductor Solutions Corporation 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 __ARCH_ARM_INCLUDE_CXD56XX_BACKUPLOG_H
#define __ARCH_ARM_INCLUDE_CXD56XX_BACKUPLOG_H
/****************************************************************************
* Included Files
***************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_backuplog_initialize
*
* Description:
* Initialize the log header where the address and size of each log area
* are decribed. If the log header has been already configured as a wakeup
* from sleeping or reboot case, then do nothing and return OK.
*
* Returned Value:
* OK on success; A negated errno value on failure.
*
****************************************************************************/
int up_backuplog_initialize(void);
/****************************************************************************
* Name: up_backuplog_alloc
*
* Description:
* Allocate the log memory region
*
* Input Parameters:
* name - The log region name
* size - The size to allocate
*
* Returned Value:
* The allocated address on success; NULL value on failure.
*
****************************************************************************/
void *up_backuplog_alloc(const char *name, size_t size);
/****************************************************************************
* Name: up_backuplog_free
*
* Description:
* De-allocate the log memory region
*
* Input Parameters:
* name - The log region name
*
****************************************************************************/
void up_backuplog_free(const char *name);
/****************************************************************************
* Name: up_backuplog_region
*
* Description:
* Get the address and size of the specified log region name
*
* Input Parameters:
* name - The log region name
* addr - The returned address
* size - The returned size
*
* Returned Value:
* The index of log entry on success; A negated errno value on failure.
*
****************************************************************************/
int up_backuplog_region(const char *name, void **addr, size_t *size);
/****************************************************************************
* Name: up_backuplog_entry
*
* Description:
* Get the entry name, address and size
*
* Input Parameters:
* name - The returned entry name
* addr - The returned address
* size - The returned size
*
* Returned Value:
* OK on success; A negated errno value on failure.
*
****************************************************************************/
int up_backuplog_entry(char *name, void **addr, size_t *size);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_INCLUDE_CXD56XX_BACKUPLOG_H */