SVR5 and SCO OpenServer 5

MapMemPage(D3pccard)

MapMemPage -- map memory area of Client's card into memory window

Synopsis

   #include <sys/types.h>
   #include <sys/lcs.h>
   #include <sys/lss.h>
   
   int CardServices (MapMemPage, WindowHandle_t *wh,
                     int n2, int MapMemPagLen,
                     MapMemPage_t *mw, rm_key_t key);

Description

MapMemPage( ) maps the memory area on a client's card into a page of a memory window that had previously been allocated with the RequestWindow(D3pccard) service.

Arguments

wh: Pointer to a WindowHandle(D4pccard) structure that was returned by the RequestWindow(D3pccard) function.
n2: NULL
MapMemPagLen: Length of the MapMemPage(D4pccard) structure.
mw: Pointer to a MapMemPage(D4pccard) structure.
key: Resource manager key.

Return values

BAD_HANDLE: I/O instead of memory window or *wh invalid.
BAD_PAGE: Page of memory window is not valid.
SUCCESS: Card memory area succesfully mapped into memory.

Usage

MapMemPage( ) is called as part of client configuration to associate a memory area on the card with the system memory returned by the RequestWindow(D3pccard) service.

The MapMemPage service works only for 16 bit cards.

Context and synchronization

Interrupt or user context

Hardware applicability

16-bit PC Card only.

Version applicability

pccard: 1, 2, 3

References

MapMemPage(D4pccard), MemPage(D4pccard) WindowHandle(D4pccard)