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

134 lines
4.1 KiB
C

/****************************************************************************
* arch/arm/include/cxd56xx/backuplog.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
#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 Prototypes
****************************************************************************/
/****************************************************************************
* Name: up_backuplog_initialize
*
* Description:
* Initialize the log header where the address and size of each log area
* are described. 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 */