108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/****************************************************************************
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* include/nuttx/ioctl.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __NUTTX_IOCTL_H
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#define __NUTTX_IOCTL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Each NuttX ioctl commands are uint16's consisting of an 8-bit type
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* identifier and an 8-bit command number. All comman type identifiers are
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* defined below:
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*/
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#define _FIOCBASE (0x8700) /* File system ioctl commands */
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#define _BIOCBASE (0x8800) /* Block driver ioctl commands */
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#define _SIOCBASE (0x8900) /* Socket ioctl commandss */
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/* Macros used to manage ioctl commands */
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#define _IOC_MASK (0x00ff)
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#define _IOC_TYPE(cmd) ((cmd)&~_IOC_MASK)
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#define _IOC_NR(cmd) ((cmd)&_IOC_MASK)
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#define _IOC(type,nr) ((type)|(nr))
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/* NuttX file system ioctl definitions */
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#define _FIOCVALID(c) (_IOC_TYPE(c)==_FIOCBASE)
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#define _FIOC(nr) _IOC(_FIOCBASE,nr)
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#define FIOC_MMAP _FIOC(0x0001) /* IN: None
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* OUT: If media is directly acccesible,
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* return (void*) base address
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* of file */
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/* NuttX block driver ioctl definitions */
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#define _BIOCVALID(c) (_IOC_TYPE(c)==_BIOCBASE)
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#define _BIOC(nr) _IOC(_BIOCBASE,nr)
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#define BIOC_XIPBASE _BIOC(0x0001) /* IN: None
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* OUT: If media is directly acccesible,
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* return (void*) base address
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* of device memory */
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NUTTX_IOCTL_H */
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