udapl_tavor/common/dapl_rmr_util.c

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
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9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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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 2004 Sun Microsystems, Inc.  All rights reserved.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor * Use is subject to license terms.
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_rmr_util.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor#include "dapl_ia_util.h"
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAPL_RMR *
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_rmr_alloc(IN DAPL_PZ * pz)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    DAPL_RMR *rmr;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    /* Allocate LMR */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr = (DAPL_RMR *)dapl_os_alloc(sizeof (DAPL_RMR));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    if (NULL == rmr) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor        return (NULL);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    /* zero the structure */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    (void) dapl_os_memzero(rmr, sizeof (DAPL_RMR));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor     * initialize the header
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor     */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.provider = pz->header.provider;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.magic = DAPL_MAGIC_RMR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.handle_type = DAT_HANDLE_TYPE_RMR;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.owner_ia = pz->header.owner_ia;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.user_context.as_64 = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.user_context.as_ptr = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_llist_init_entry(&rmr->header.ia_list_entry);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_ia_link_rmr(rmr->header.owner_ia, rmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_os_lock_init(&rmr->header.lock);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    /*
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor     * initialize the body
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor     */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.ia_handle = (DAT_IA_HANDLE)pz->header.owner_ia;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.pz_handle = (DAT_PZ_HANDLE)pz;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.lmr_triplet.lmr_context = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.lmr_triplet.pad = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.lmr_triplet.virtual_address = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.lmr_triplet.segment_length = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->param.mem_priv = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->pz = pz;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->lmr = NULL;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    return (rmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorvoid
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_rmr_dealloc(IN DAPL_RMR *rmr)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    /* reset magic to prevent reuse */
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    rmr->header.magic = DAPL_MAGIC_INVALID;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_ia_unlink_rmr(rmr->header.owner_ia, rmr);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_os_lock_destroy(&rmr->header.lock);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    dapl_os_free((void *) rmr, sizeof (DAPL_RMR));
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill TaylorDAT_BOOLEAN
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_rmr_validate_completion_flag(IN DAT_COMPLETION_FLAGS mask,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    IN DAT_COMPLETION_FLAGS allow,
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    IN DAT_COMPLETION_FLAGS request)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    if ((mask & request) && !(mask & allow)) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor        return (DAT_FALSE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    } else {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor        return (DAT_TRUE);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylorint32_t
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylordapl_rmr_convert_privileges(IN DAT_MEM_PRIV_FLAGS privileges)
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor{
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    int32_t value = 0;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    if (DAT_MEM_PRIV_REMOTE_READ_FLAG & privileges) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor        value |= IB_BIND_ACCESS_REMOTE_READ;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    if (DAT_MEM_PRIV_REMOTE_WRITE_FLAG & privileges) {
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor        value |= IB_BIND_ACCESS_REMOTE_WRITE;
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    }
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor    return (value);
9e39c5ba00a55fa05777cc94b148296af305e135Bill Taylor}