Extended macros used to implemment IOCTL functions

Macros
#define	_io_read_var_chk(_pddev, _cmd, _fld, _pout, _cond)
#define	_io_write_var_chk(_pddev, _cmd, _fld, _pin, _cond)
#define	_io_write_cmd_chk(_pddev, _cmd, _cond)
#define	_io_read_gps_chk(_pddev, _cmd, _fld, _pout, _size, _cond)
#define	_io_read_gps_var_chk(_pddev, _cmd, _fld, _pout, _cond)
#define	_io_write_gps_var_chk(_pddev, _cmd, _fld, _pin, _cond)
#define	_report_cond(_cond, _pout)

Detailed Description

These macros are used to implement IOCTL calls that are not supported by every device. If the feature is supported they use one of the Basic macros used to implemment IOCTL functions to access the device, but goto an error label if the feature is not supported.

Macro Definition Documentation

_io_read_gps_chk

#define _io_read_gps_chk	(		_pddev,
			_cmd,
			_fld,
			_pout,
			_size,
			_cond
	)

Value:

do                                                                   \
{                                                                    \
  _io_chk_cond( _cond );                                             \
                                                                     \
  if ( (size_t) _size > sizeof( p_dev_iob->_fld ) )                  \
    goto err_inval_param;                                            \
                                                                     \
  _io_read_gps( _pddev, _cmd, _fld, _pout, _size );                  \
                                                                     \
} while ( 0 )

Definition at line 639 of file macioctl.h.

Referenced by ioctl_switch().

_io_read_gps_var_chk

#define _io_read_gps_var_chk	(		_pddev,
			_cmd,
			_fld,
			_pout,
			_cond
	)

Value:

do                                                                \
{                                                                 \
  _io_chk_cond( _cond );                                          \
  _io_read_gps_var( _pddev, _cmd, _fld, _pout );                  \
                                                                  \
} while ( 0 )

Definition at line 652 of file macioctl.h.

Referenced by ioctl_switch().

_io_read_var_chk

#define _io_read_var_chk	(		_pddev,
			_cmd,
			_fld,
			_pout,
			_cond
	)

Value:

do                                                            \
{                                                             \
  _io_chk_cond( _cond );                                      \
  _io_read_var( _pddev, _cmd, _fld, _pout );                  \
                                                              \
} while ( 0 )

Definition at line 612 of file macioctl.h.

Referenced by ioctl_switch().

_io_write_cmd_chk

#define _io_write_cmd_chk	(		_pddev,
			_cmd,
			_cond
	)

Value:

do                                                \
{                                                 \
  _io_chk_cond( _cond );                          \
  _io_write_cmd( _pddev, _cmd );                  \
                                                  \
} while ( 0 )

Definition at line 630 of file macioctl.h.

Referenced by ioctl_switch().

_io_write_gps_var_chk

#define _io_write_gps_var_chk	(		_pddev,
			_cmd,
			_fld,
			_pin,
			_cond
	)

Value:

do                                                                \
{                                                                 \
  _io_chk_cond( _cond );                                          \
  _io_write_gps_var( _pddev, _cmd, _fld, _pin );                  \
                                                                  \
} while ( 0 )

Definition at line 661 of file macioctl.h.

Referenced by ioctl_switch().

_io_write_var_chk

#define _io_write_var_chk	(		_pddev,
			_cmd,
			_fld,
			_pin,
			_cond
	)

Value:

do                                                            \
{                                                             \
  _io_chk_cond( _cond );                                      \
  _io_write_var( _pddev, _cmd, _fld, _pin );                  \
                                                              \
} while ( 0 )

Definition at line 621 of file macioctl.h.

Referenced by ioctl_switch().

_report_cond

#define _report_cond	(		_cond,
			_pout
	)

Value:

do                                      \
{                                       \
  p_tmp->i = _cond;                     \
  _iob_to_pout_var( p_tmp->i, _pout );  \
                                        \
} while ( 0 )

Definition at line 670 of file macioctl.h.

Referenced by ioctl_switch().