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csx_GetFirstTuple(9F)	 Kernel Functions for Drivers	 csx_GetFirstTuple(9F)

NAME
       csx_GetFirstTuple, csx_GetNextTuple - return Card Information Structure
       tuple

SYNOPSIS
       #include <sys/pccard.h>

       int32_t csx_GetFirstTuple(client_handle_t ch, tuple_t *tu);

       int32_t csx_GetNextTuple(client_handle_t ch, tuple_t *tu);

INTERFACE LEVEL
       Solaris DDI Specific (Solaris DDI)

PARAMETERS
       ch    Client handle returned from csx_RegisterClient(9F).

       tu    Pointer to a tuple_t structure.

DESCRIPTION
       The functions csx_GetFirstTuple()  and  csx_GetNextTuple()  return  the
       first  and  next tuple, respectively, of the specified type in the Card
       Information Structure (CIS) for the specified socket.

STRUCTURE MEMBERS
       The structure members of tuple_t are:

	 uint32_t    Socket;	    /* socket number */
	 uint32_t    Attributes;    /* Attributes */
	 cisdata_t   DesiredTuple;  /* tuple to search for or flags */
	 cisdata_t   TupleCode;	    /* tuple type code */
	 cisdata_t   TupleLink;	    /* tuple data body size */

       The fields are defined as follows:

       Socket		      Not used in Solaris, but	for  portability  with
			      other  Card  Services implementations, it should
			      be set to the logical socket number.

       Attributes	      This field is bit-mapped. The following bits are
			      defined:

			      TUPLE_RETURN_LINK

				  Return link tuples if set. The following are
				  link tuples and will	only  be  returned  by
				  this	function  if the TUPLE_RETURN_LINK bit
				  in the Attributes field is set:

					 CISTPL_NULL	CISTPL_LONGLINK_MFC
					 CISTPL_LONGLINK_A   CISTPL_LINKTARGET
					 CISTPL_LONGLINK_C   CISTPL_NO_LINK
					 CISTPL_LONGLINK_CB  CISTPL_END

			      TUPLE_RETURN_IGNORED_TUPLES

				  Return ignored tuples if set. Ignored tuples
				  will	be  returned  by  this function if the
				  TUPLE_RETURN_IGNORED_TUPLES	bit   in   the
				  Attributes  field  is set, see tuple(9S) for
				  more information. The CIS is parsed from the
				  location setup by the previous csx_GetFirst‐
				  Tuple() or csx_GetNextTuple() request.

       DesiredTuple	      This field is the tuple value desired. If it  is
			      RETURN_FIRST_TUPLE,  the very first tuple of the
			      CIS is returned (if it exists). If this field is
			      set to RETURN_NEXT_TUPLE, the very next tuple of
			      the CIS is  returned  (if	 it  exists).  If  the
			      DesiredTuple  field is any other value on entry,
			      the CIS is searched in an attempt	 to  locate  a
			      tuple which matches.

       TupleCode,TupleLink    These  fields  are  the values returned from the
			      tuple found. If there are no tuples on the card,
			      CS_NO_MORE_ITEMS is returned.

       Since  the  csx_GetFirstTuple(),	 csx_GetNextTuple(), and csx_GetTuple‐
       Data(9F) functions all share the same tuple_t structure, some fields in
       the tuple_t structure are unused or reserved when calling this function
       and these fields must not be initialized by the client.

RETURN VALUES
       CS_SUCCESS		  Successful operation.

       CS_BAD_HANDLE		  Client handle is invalid.

       CS_NO_CARD		  No PC Card in socket.

       CS_NO_CIS		  No Card Information Structure	 (CIS)	on  PC
				  card.

       CS_NO_MORE_ITEMS		  Desired tuple not found.

       CS_UNSUPPORTED_FUNCTION	  No PCMCIA hardware installed.

CONTEXT
       These functions may be called from user or kernel context.

SEE ALSO
       csx_GetTupleData(9F),	csx_ParseTuple(9F),    csx_RegisterClient(9F),
       csx_ValidateCIS(9F), tuple(9S)

       PC Card 95Standard, PCMCIA/JEIDA

SunOS 5.11			  20 Dec 1996		 csx_GetFirstTuple(9F)
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