vipderegistermem.c File Reference

#include "vipl_priv.h"

Go to the source code of this file.

Functions
VIP_ENTRY_POINT VIP_RETURN	VipDeregisterMem (VIP_NIC_HANDLE NicHandle, VIP_PVOID VirtualAddress, VIP_MEM_HANDLE MemoryHandle)

---

Detailed Description

The VI-GM function VipDeregisterMem implementation.

Definition in file vipderegistermem.c.

---

Function Documentation

VIP_ENTRY_POINT VIP_RETURN VipDeregisterMem (  VIP_NIC_HANDLE  NicHandle, VIP_PVOID  VirtualAddress, VIP_MEM_HANDLE  MemoryHandle )

VipDeregisterMem() de-registers memory that was previously registered using the VipRegisterMem() function and unlocks the associated pages from physical memory. The contents and attributes of the region of virtual memory being de-registered are not altered in any way. Return values: VIP_SUCCESS  The memory region was successfully de-registered. VIP_ERROR_RESOURCE  The operation failed due to insufficient resources. VIP_INVALID_PARAMETER  One of the parameters was invalid. Parameters: NicHandle  (IN) The handle for the NIC that owns the memory region being de-registered. VirtualAddress  (IN) Address of the region of memory to be de-registered. MemoryHandle  (IN) Memory handle for the region; obtained from a previous call to VipRegisterMem(). See also: VipRegisterMem VIP_MEM Author: Patrick Geoffray Version: 1.0 Definition at line 42 of file vipderegistermem.c. References VIP_GM::lock, VI_GM_MAX_REGISTER_REGIONS, VIP_ASSERT, vip_avl_deregister_memory(), VIP_DEBUG, VIP_DEBUG_LABEL, VIP_ERROR_RESOURCE, vip_free_handle(), VIP_INVALID_MEM_HANDLE, VIP_INVALID_NIC_HANDLE, VIP_INVALID_PARAMETER, VIP_INVALID_PTAG, VIP_INVALID_PTAG_HANDLE, VIP_MUTEX_LOCK, VIP_MUTEX_UNLOCK, VIP_PROGRESSION, and VIP_SUCCESS.