fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * CDDL HEADER START
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * The contents of this file are subject to the terms of the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Common Development and Distribution License (the "License").
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * You may not use this file except in compliance with the License.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * or http://www.opensolaris.org/os/licensing.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * See the License for the specific language governing permissions
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fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * When distributing Covered Code, include this CDDL HEADER in each
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Use is subject to license terms.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Description
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * mpapi-sun.c - Implements the Sun Extension to the Multipath Management
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * API Version 1.0
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include <dlfcn.h>
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include <pthread.h>
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include "mpapi.h"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include "mpapi-sun.h"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include "mpapi-plugin.h"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteextern MPPLUGININFO_T plugintable[MP_MAX_NUM_PLUGINS];
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteextern pthread_mutex_t mp_lib_mutex;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteextern MP_STATUS validate_object(MP_OID obj, MP_OBJECT_TYPE objType,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte MP_UINT32 flag);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteMP_STATUS Sun_MP_SendScsiCmd(
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte MP_OID pathOid, struct uscsi_cmd *cmd)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte{
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte Sun_MP_SendScsiCmdFn PassFunc;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte MP_UINT32 index;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte MP_STATUS status;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if ((status = validate_object(pathOid, MP_OBJECT_TYPE_PATH_LU,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte MP_OBJECT_TYPE_MATCH)) != MP_STATUS_SUCCESS) {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte return (status);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte }
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte (void) pthread_mutex_lock(&mp_lib_mutex);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte index = pathOid.ownerId - 1;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (plugintable[index].hdlPlugin != NULL) {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte PassFunc = (Sun_MP_SendScsiCmdFn)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte dlsym(plugintable[index].hdlPlugin,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte "Sun_MP_SendScsiCmd");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte if (PassFunc != NULL) {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte status = PassFunc(pathOid, cmd);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte } else {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte status = MP_STATUS_UNSUPPORTED;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte }
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte } else {
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte status = MP_STATUS_FAILED;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte }
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte (void) pthread_mutex_unlock(&mp_lib_mutex);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte return (status);
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte}