9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER START
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The contents of this file are subject to the terms of the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Common Development and Distribution License (the "License").
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You may not use this file except in compliance with the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * or http://www.opensolaris.org/os/licensing.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * See the License for the specific language governing permissions
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * and limitations under the License.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * When distributing Covered Code, include this CDDL HEADER in each
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If applicable, add the following below this CDDL HEADER, with the
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * fields enclosed by brackets "[]" replaced with your own identifying
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * information: Portions Copyright [yyyy] [name of copyright owner]
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * CDDL HEADER END
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Use is subject to license terms.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * MODULE: dapl_lmr_create.c
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * PURPOSE: Memory management
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Description: Interfaces in this file are completely described in
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * the DAPL 1.1 API, Chapter 6, section 6
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <dat/udat.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <dapl_lmr_util.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <dapl_adapter_util.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include <libdevinfo.h>
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Function Prototypes
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic DAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_lmr_create_virtual(IN DAPL_IA *ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_PVOID virt_addr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_VLEN length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_LMR_COOKIE shm_cookie,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_PZ *pz,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_PRIV_FLAGS privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_HANDLE *lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_CONTEXT *lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_RMR_CONTEXT *rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VLEN *registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VADDR *registered_address);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic DAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_lmr_create_lmr(IN DAPL_IA *ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_LMR *original_lmr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_PZ *pz,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_PRIV_FLAGS privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_HANDLE *lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_CONTEXT *lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_RMR_CONTEXT *rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VLEN *registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VADDR *registered_address);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Function Definitions
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic DAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_lmr_create_virtual(IN DAPL_IA *ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_PVOID virt_addr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_VLEN length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_LMR_COOKIE shm_cookie,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_PZ *pz,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_PRIV_FLAGS privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_HANDLE *lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_CONTEXT *lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_RMR_CONTEXT *rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VLEN *registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VADDR *registered_address)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_LMR *lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_REGION_DESCRIPTION reg_desc;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor reg_desc.for_va = virt_addr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_SUCCESS;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr = dapl_lmr_alloc(ia, DAT_MEM_TYPE_VIRTUAL,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor reg_desc, length, (DAT_PZ_HANDLE) pz, privileges);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL == lmr) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RESOURCE_MEMORY);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (shm_cookie == NULL) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_mr_register(ia, lmr, virt_addr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor length, privileges);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_mr_register_shared(ia, lmr, virt_addr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor length, shm_cookie, privileges);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAT_SUCCESS != dat_status) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* if the LMR context is already in the hash table */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_hash_search(ia->hca_ptr->lmr_hash_table,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr->param.lmr_context, NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status == DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapls_ib_mr_deregister(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_STATE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_STATE_LMR_IN_USE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_hash_insert(ia->hca_ptr->lmr_hash_table,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr->param.lmr_context, lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapls_ib_mr_deregister(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The value returned by dapls_hash_insert(.) is not
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * returned to the consumer because the spec. requires
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * that dat_lmr_create(.) return only certain values.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RESOURCE_MEMORY);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapl_os_atomic_inc(&pz->pz_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != lmr_handle) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *lmr_handle = (DAT_LMR_HANDLE) lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != lmr_context) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *lmr_context = lmr->param.lmr_context;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != rmr_context) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *rmr_context = lmr->param.rmr_context;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != registered_length) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *registered_length = lmr->param.registered_size;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != registered_address) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *registered_address = lmr->param.registered_address;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorstatic DAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_lmr_create_lmr(IN DAPL_IA *ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_LMR *original_lmr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAPL_PZ *pz,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_PRIV_FLAGS privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_HANDLE *lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_CONTEXT *lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_RMR_CONTEXT *rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VLEN *registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VADDR *registered_address)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_LMR *lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_REGION_DESCRIPTION reg_desc;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RETURN dat_status;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_dbg_log(DAPL_DBG_TYPE_API,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor "dapl_lmr_create_lmr (%p, %p, %p, %x, %p, %p, %p, %p)\n",
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor original_lmr,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor pz, privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr_context, registered_length, registered_address);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_hash_search(ia->hca_ptr->lmr_hash_table,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor original_lmr->param.lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (DAPL_HASH_DATA *) & lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_PARAMETER,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_ARG2);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor reg_desc.for_lmr_handle = (DAT_LMR_HANDLE) original_lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr = dapl_lmr_alloc(ia, DAT_MEM_TYPE_LMR, reg_desc, 0,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (DAT_PZ_HANDLE) pz, privileges);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL == lmr) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RESOURCE_MEMORY);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_ib_mr_register_lmr(ia, lmr, privileges);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAT_SUCCESS != dat_status) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* if the LMR context is already in the hash table */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_hash_search(ia->hca_ptr->lmr_hash_table,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr->param.lmr_context, NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status == DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapls_ib_mr_deregister(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INVALID_STATE,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_INVALID_STATE_LMR_IN_USE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = dapls_hash_insert(ia->hca_ptr->lmr_hash_table,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr->param.lmr_context, lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (dat_status != DAT_SUCCESS) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapls_ib_mr_deregister(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dapl_lmr_dealloc(lmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * The value returned by dapls_hash_insert(.) is not
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * returned to the consumer because the spec. requires
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * that dat_lmr_create(.) return only certain values.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAT_RESOURCE_MEMORY);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor goto bail;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (void) dapl_os_atomic_inc(&pz->pz_ref_count);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != lmr_handle) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *lmr_handle = (DAT_LMR_HANDLE)lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != lmr_context) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *lmr_context = lmr->param.lmr_context;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != rmr_context) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *rmr_context = lmr->param.rmr_context;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != registered_length) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *registered_length = original_lmr->param.registered_size;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (NULL != registered_address) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *registered_address = original_lmr->param.registered_address;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorbail:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dat_status);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor/*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * dapl_lmr_create
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAPL Requirements Version xxx, 6.6.3.1
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Register a memory region with an Interface Adaptor.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Input:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * ia_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * mem_type
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * region_description
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * length
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * pz_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * privileges
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Output:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * lmr_handle
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * lmr_context
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * registered_length
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * registered_address
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Returns:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_SUCCESS
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INSUFFICIENT_RESOURCES
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_PARAMETER
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_INVALID_STATE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * DAT_MODEL_NOT_SUPPORTED
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_RETURN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_lmr_create(IN DAT_IA_HANDLE ia_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_TYPE mem_type,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_REGION_DESCRIPTION region_description,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_VLEN length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_PZ_HANDLE pz_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor IN DAT_MEM_PRIV_FLAGS privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_HANDLE *lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_LMR_CONTEXT *lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_RMR_CONTEXT *rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VLEN *registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor OUT DAT_VADDR *registered_address)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_IA *ia;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_PZ *pz;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE(ia_handle, DAPL_MAGIC_IA) ||
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_BAD_HANDLE(pz_handle, DAPL_MAGIC_PZ)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_INVALID_HANDLE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (length == 0) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor ia = (DAPL_IA *) ia_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor pz = (DAPL_PZ *) pz_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* Always ignore this bit as it is passed in */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor privileges &= ~DAT_MEM_PRIV_RO_DISABLE_FLAG;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * If at open time we determined that RO should not be used,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * note it here.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (ia->dapl_flags & DAPL_DISABLE_RO)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor privileges |= DAT_MEM_PRIV_RO_DISABLE_FLAG;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor switch (mem_type) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case DAT_MEM_TYPE_SO_VIRTUAL:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor privileges |= DAT_MEM_PRIV_RO_DISABLE_FLAG;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* FALLTHROUGH */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case DAT_MEM_TYPE_VIRTUAL:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dapl_lmr_create_virtual(ia, region_description.for_va,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor length, NULL, pz, privileges,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr_handle, lmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor rmr_context, registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor registered_address));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* NOTREACHED */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case DAT_MEM_TYPE_LMR: {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor DAPL_LMR *lmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor if (DAPL_BAD_HANDLE
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor (region_description.for_lmr_handle, DAPL_MAGIC_LMR)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_INVALID_HANDLE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr = (DAPL_LMR *)region_description.for_lmr_handle;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dapl_lmr_create_lmr(ia, lmr, pz, privileges, lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr_context, rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor registered_length, registered_address));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* NOTREACHED */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor case DAT_MEM_TYPE_SHARED_VIRTUAL:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (dapl_lmr_create_virtual(ia,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor region_description.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for_shared_memory.virtual_address,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor region_description.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor for_shared_memory.shared_memory_id,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor pz, privileges, lmr_handle,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor lmr_context, rmr_context,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor registered_length,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor registered_address));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor /* NOTREACHED */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor default:
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor return (DAT_INVALID_PARAMETER);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}