1*fcf3ce44SJohn Forte /*
2*fcf3ce44SJohn Forte * CDDL HEADER START
3*fcf3ce44SJohn Forte *
4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the
5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License").
6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License.
7*fcf3ce44SJohn Forte *
8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing.
10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions
11*fcf3ce44SJohn Forte * and limitations under the License.
12*fcf3ce44SJohn Forte *
13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each
14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the
16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying
17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner]
18*fcf3ce44SJohn Forte *
19*fcf3ce44SJohn Forte * CDDL HEADER END
20*fcf3ce44SJohn Forte */
21*fcf3ce44SJohn Forte /*
22*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23*fcf3ce44SJohn Forte * Use is subject to license terms.
24*fcf3ce44SJohn Forte */
25*fcf3ce44SJohn Forte
26*fcf3ce44SJohn Forte /*
27*fcf3ce44SJohn Forte * Description
28*fcf3ce44SJohn Forte * mpapi-sun.c - Implements the Sun Extension to the Multipath Management
29*fcf3ce44SJohn Forte * API Version 1.0
30*fcf3ce44SJohn Forte */
31*fcf3ce44SJohn Forte
32*fcf3ce44SJohn Forte #include <dlfcn.h>
33*fcf3ce44SJohn Forte #include <pthread.h>
34*fcf3ce44SJohn Forte #include "mpapi.h"
35*fcf3ce44SJohn Forte #include "mpapi-sun.h"
36*fcf3ce44SJohn Forte #include "mpapi-plugin.h"
37*fcf3ce44SJohn Forte
38*fcf3ce44SJohn Forte extern MPPLUGININFO_T plugintable[MP_MAX_NUM_PLUGINS];
39*fcf3ce44SJohn Forte
40*fcf3ce44SJohn Forte extern pthread_mutex_t mp_lib_mutex;
41*fcf3ce44SJohn Forte extern MP_STATUS validate_object(MP_OID obj, MP_OBJECT_TYPE objType,
42*fcf3ce44SJohn Forte MP_UINT32 flag);
43*fcf3ce44SJohn Forte
Sun_MP_SendScsiCmd(MP_OID pathOid,struct uscsi_cmd * cmd)44*fcf3ce44SJohn Forte MP_STATUS Sun_MP_SendScsiCmd(
45*fcf3ce44SJohn Forte MP_OID pathOid, struct uscsi_cmd *cmd)
46*fcf3ce44SJohn Forte {
47*fcf3ce44SJohn Forte Sun_MP_SendScsiCmdFn PassFunc;
48*fcf3ce44SJohn Forte MP_UINT32 index;
49*fcf3ce44SJohn Forte MP_STATUS status;
50*fcf3ce44SJohn Forte
51*fcf3ce44SJohn Forte if ((status = validate_object(pathOid, MP_OBJECT_TYPE_PATH_LU,
52*fcf3ce44SJohn Forte MP_OBJECT_TYPE_MATCH)) != MP_STATUS_SUCCESS) {
53*fcf3ce44SJohn Forte return (status);
54*fcf3ce44SJohn Forte }
55*fcf3ce44SJohn Forte
56*fcf3ce44SJohn Forte (void) pthread_mutex_lock(&mp_lib_mutex);
57*fcf3ce44SJohn Forte
58*fcf3ce44SJohn Forte index = pathOid.ownerId - 1;
59*fcf3ce44SJohn Forte if (plugintable[index].hdlPlugin != NULL) {
60*fcf3ce44SJohn Forte PassFunc = (Sun_MP_SendScsiCmdFn)
61*fcf3ce44SJohn Forte dlsym(plugintable[index].hdlPlugin,
62*fcf3ce44SJohn Forte "Sun_MP_SendScsiCmd");
63*fcf3ce44SJohn Forte
64*fcf3ce44SJohn Forte if (PassFunc != NULL) {
65*fcf3ce44SJohn Forte status = PassFunc(pathOid, cmd);
66*fcf3ce44SJohn Forte } else {
67*fcf3ce44SJohn Forte status = MP_STATUS_UNSUPPORTED;
68*fcf3ce44SJohn Forte }
69*fcf3ce44SJohn Forte } else {
70*fcf3ce44SJohn Forte status = MP_STATUS_FAILED;
71*fcf3ce44SJohn Forte }
72*fcf3ce44SJohn Forte
73*fcf3ce44SJohn Forte (void) pthread_mutex_unlock(&mp_lib_mutex);
74*fcf3ce44SJohn Forte return (status);
75*fcf3ce44SJohn Forte }
76