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

NAME

csx_MapMemPage - map the memory area on a PC Card

SYNOPSIS

#include <sys/pccard.h>


int32_t csx_MapMemPage(window_handle_t wh, map_mem_page_t *mp);

INTERFACE LEVEL

illumos DDI Specific (illumos DDI)

PARAMETERS

wh
Window handle returned from csx_RequestWindow(9F).


mp
Pointer to a map_mem_page_t structure.

DESCRIPTION

This function maps the memory area on a PC Card into a page of a
window allocated with the csx_RequestWindow(9F) function.

STRUCTURE MEMBERS

The structure members of map_mem_page_t are:

uint32_t CardOffset; /* card offset */
uint32_t Page; /* page number */


The fields are defined as follows:

CardOffset
The absolute offset in bytes from the beginning of the
PC Card to map into system memory.


Page
Used internally by Card Services; clients must set
this field to 0 before calling this function.

RETURN VALUES

CS_SUCCESS
Successful operation.


CS_BAD_HANDLE
Client handle is invalid.


CS_BAD_OFFSET
Offset is invalid.


CS_BAD_PAGE
Page is not zero.


CS_NO_CARD
No PC Card in socket.


CS_UNSUPPORTED_FUNCTION
No PCMCIA hardware installed.

CONTEXT

This function may be called from user or kernel context.

SEE ALSO

csx_ModifyWindow(9F), csx_ReleaseWindow(9F), csx_RequestWindow(9F)


PC Card 95 Standard, PCMCIA/JEIDA

July 19, 1996 CSX_MAPMEMPAGE(9F)