6aeb99bc51
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1237 42af7a65-404d-4744-a932-0658087f49c3
124 lines
4.9 KiB
C
124 lines
4.9 KiB
C
/****************************************************************************
|
|
* include/nuttx/ioctl.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_IOCTL_H
|
|
#define __NUTTX_IOCTL_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <sys/types.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Each NuttX ioctl commands are uint16's consisting of an 8-bit type
|
|
* identifier and an 8-bit command number. All comman type identifiers are
|
|
* defined below:
|
|
*/
|
|
|
|
#define _FIOCBASE (0x8700) /* File system ioctl commands */
|
|
#define _DIOCBASE (0x8800) /* Character driver ioctl commands */
|
|
#define _BIOCBASE (0x8900) /* Block driver ioctl commands */
|
|
#define _SIOCBASE (0x8a00) /* Socket ioctl commandss */
|
|
|
|
/* Macros used to manage ioctl commands */
|
|
|
|
#define _IOC_MASK (0x00ff)
|
|
#define _IOC_TYPE(cmd) ((cmd)&~_IOC_MASK)
|
|
#define _IOC_NR(cmd) ((cmd)&_IOC_MASK)
|
|
|
|
#define _IOC(type,nr) ((type)|(nr))
|
|
|
|
/* NuttX file system ioctl definitions */
|
|
|
|
#define _FIOCVALID(c) (_IOC_TYPE(c)==_FIOCBASE)
|
|
#define _FIOC(nr) _IOC(_FIOCBASE,nr)
|
|
|
|
#define FIOC_MMAP _FIOC(0x0001) /* IN: Location to return address (void **)
|
|
* OUT: If media is directly acccesible,
|
|
* return (void*) base address
|
|
* of file
|
|
*/
|
|
/* NuttX file system ioctl definitions */
|
|
|
|
#define _DIOCVALID(c) (_IOC_TYPE(c)==_DIOCBASE)
|
|
#define _DIOC(nr) _IOC(_DIOCBASE,nr)
|
|
|
|
#define DIOC_GETPRIV _DIOC(0x0001) /* IN: Location to return handle (void **)
|
|
* OUT: Reference to internal data
|
|
* structure. May have a reference
|
|
* incremented.
|
|
*/
|
|
#define DIOC_RELPRIV _DIOC(0x0003) /* IN: None
|
|
* OUT: None, reference obtained by
|
|
* FIOC_GETPRIV released.
|
|
*/
|
|
|
|
/* NuttX block driver ioctl definitions */
|
|
|
|
#define _BIOCVALID(c) (_IOC_TYPE(c)==_BIOCBASE)
|
|
#define _BIOC(nr) _IOC(_BIOCBASE,nr)
|
|
|
|
#define BIOC_XIPBASE _BIOC(0x0001) /* IN: None
|
|
* OUT: If media is directly acccesible,
|
|
* return (void*) base address
|
|
* of device memory */
|
|
|
|
/****************************************************************************
|
|
* Public Type Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C" {
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __NUTTX_IOCTL_H */
|