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Diffstat (limited to 'nuttx/include/nuttx/ramdisk.h')
-rw-r--r-- | nuttx/include/nuttx/ramdisk.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/ramdisk.h b/nuttx/include/nuttx/ramdisk.h new file mode 100644 index 000000000..839855633 --- /dev/null +++ b/nuttx/include/nuttx/ramdisk.h @@ -0,0 +1,82 @@ +/**************************************************************************** + * nuttx/ramdisk.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 __NUTTX_RAMDISK_H +#define __NUTTX_RAMDISK_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <sys/types.h> + +/**************************************************************************** + * Type Definitions + ****************************************************************************/ + + +/**************************************************************************** + * Type Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* Non-standard function to register a ramdisk + * + * minor: Selects suffix of device named /dev/ramN, N={1,2,3...} + * nsectors: Number of sectors on device + * sectize: The size of one sector + * writeenabled: TRUE: can write to ram disk + * buffer: RAM disk backup memory + */ + +EXTERN int rd_register(int minor, ubyte *buffer, uint32 nsectors, + uint16 sectize, boolean writeenabled); + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* __NUTTX_RAMDISK_H */ |