2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/*
2N/A *
2N/A * MODULE: dapl_lmr_free.c
2N/A *
2N/A * PURPOSE: Memory management
2N/A * Description: Interfaces in this file are completely described in
2N/A * the DAPL 1.1 API, Chapter 6, section 6
2N/A *
2N/A */
2N/A
2N/A#include "dapl_lmr_util.h"
2N/A#include "dapl_adapter_util.h"
2N/A#include "dapl_ia_util.h"
2N/A
2N/A/*
2N/A * dapl_lmr_free
2N/A *
2N/A * DAPL Requirements Version xxx, 6.6.3.2
2N/A *
2N/A * Destroy an instance of the Local Memory Region
2N/A *
2N/A * Input:
2N/A * lmr_handle
2N/A *
2N/A * Output:
2N/A *
2N/A * Returns:
2N/A * DAT_SUCCESS
2N/A * DAT_INVALID_HANDLE
2N/A * DAT_INVALID_PARAMETER
2N/A * DAT_INVALID_STATE
2N/A */
2N/A
2N/ADAT_RETURN
2N/Adapl_lmr_free(IN DAT_LMR_HANDLE lmr_handle)
2N/A{
2N/A DAPL_LMR *lmr;
2N/A DAT_RETURN dat_status;
2N/A
2N/A dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_lmr_free (%p)\n", lmr_handle);
2N/A
2N/A if (DAPL_BAD_HANDLE(lmr_handle, DAPL_MAGIC_LMR)) {
2N/A dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
2N/A DAT_INVALID_HANDLE_LMR);
2N/A goto bail;
2N/A }
2N/A
2N/A lmr = (DAPL_LMR *)lmr_handle;
2N/A
2N/A switch (lmr->param.mem_type) {
2N/A case DAT_MEM_TYPE_VIRTUAL:
2N/A /* fall through */
2N/A case DAT_MEM_TYPE_LMR: {
2N/A DAPL_PZ *pz;
2N/A
2N/A if (0 != lmr->lmr_ref_count) {
2N/A return (DAT_INVALID_STATE);
2N/A }
2N/A
2N/A dat_status = dapls_hash_remove(
2N/A lmr->header.owner_ia->hca_ptr->lmr_hash_table,
2N/A lmr->param.lmr_context, NULL);
2N/A if (dat_status != DAT_SUCCESS) {
2N/A goto bail;
2N/A }
2N/A
2N/A dat_status = dapls_ib_mr_deregister(lmr);
2N/A
2N/A if (dat_status == DAT_SUCCESS) {
2N/A pz = (DAPL_PZ *) lmr->param.pz_handle;
2N/A (void) dapl_os_atomic_dec(&pz->pz_ref_count);
2N/A
2N/A dapl_lmr_dealloc(lmr);
2N/A } else {
2N/A /*
2N/A * Deregister failed; put it back in the
2N/A * hash table.
2N/A */
2N/A (void) dapls_hash_insert(lmr->header.owner_ia->
2N/A hca_ptr->lmr_hash_table,
2N/A lmr->param.lmr_context, lmr);
2N/A }
2N/A break;
2N/A }
2N/A case DAT_MEM_TYPE_SHARED_VIRTUAL: {
2N/A dat_status = DAT_ERROR(DAT_NOT_IMPLEMENTED, 0);
2N/A break;
2N/A }
2N/A default:
2N/A dat_status = DAT_ERROR(DAT_INVALID_PARAMETER,
2N/A DAT_INVALID_ARG1);
2N/A break;
2N/A }
2N/Abail:
2N/A return (dat_status);
2N/A}