SVR5 and SCO OpenServer 5

OpenMemory(D3pccard)

OpenMemory -- open area of a memory card

Synopsis (Unsupported service)

   #include <sys/types.h>
   #include <sys/lcs.h>
   #include <sys/lss.h>
   
   int CardServices (OpenMemory, ClientHandle_t *cmh,
                     int n2, int OpenMemoryLen,
                     OpenMemory_t *mw, rm_key_t key);

Description

OpenMemory( ) opens an area of a memory card to allow the subsequent use of the ReadMemory(D3pccard), WriteMemory(D3pccard), CopyMemory(D3pccard), and the erase services.

Arguments

cmh: points to the ClientHandle(D4pccard) structure that had been originally furnished by RegisterClient(D3pccard).
n2: NULL
OpenMemoryLen: Length of the OpenMemory(D4pccard) structure.
mw: Pointer to the OpenMemory(D4pccard) structure.
key: Resource manager key.

Return values

UNSUPPORTED_SERVICE: Service not currently supported.

Usage

The integer type MemoryHandle_t is associated with an MTD and an absolute card offset. The MemoryHandle within ClientHandle will have to be passed along as a parameter with any calls to subsequent ReadMemory(D3pccard), WriteMemory(D3pccard), CopyMemory(D3pccard), and erase services.

This implementation's ClientHandle(D4pccard) structure does not contain a MemoryHandle.

Context and synchronization

Interrupt context

Hardware applicability

All

Version applicability

pccard: 3

References

ClientHandle(D4pccard), CloseMemory(D3pccard), CopyMemory(D3pccard), OpenMemory(D4pccard), ReadMemory(D3pccard), WriteMemory(D3pccard)