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gm_deregister.c File Reference

#include "gm_call_trace.h"
#include "gm_compiler.h"
#include "gm_debug.h"
#include "gm_debug_mem_register.h"
#include "gm_internal.h"
#include "gm_io.h"
#include "gm_lanai_command.h"

Functions
GM_ENTRY_POINT gm_status_t	gm_deregister_memory (gm_port_t *p, void *ptr, gm_size_t length)

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Detailed Description

This file contains the GM API function gm_deregister_memory().

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Function Documentation

GM_ENTRY_POINT gm_status_t gm_deregister_memory (  gm_port_t *    p, void *    ptr, gm_size_t    length )

gm_deregister_memory() deregisters len bytes of user virtual that were previously registered for DMA transfers with a matching call to gm_register_memory() using pvma. Return values: GM_SUCCESS  Operation completed successfully. GM_FAILURE  Parameters: p  (IN) The GM port in use. pvma  (IN) The pvma used to register the memory to now be deregistered. length  (IN) The number of bytes in the array to be deregistered. Author: Glenn Brown Version: GM_API_VERSION (as defined in gm.h)

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