1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25#include <string.h>
26#include <syslog.h>
27#include <errno.h>
28#include <unistd.h>
29#include <stropts.h>
30#include <libdevinfo.h>
31
32#include "mp_utils.h"
33
34
35static int getOidList(di_node_t root_node,
36			MP_OID_LIST *pOidList,
37			char *pProductID,
38			char *pVendorID)
39{
40	int numNodes = 0;
41	int pidSize = 0;
42	int vidSize = 0;
43
44	int haveList = (NULL != pOidList);
45
46	char *pid = NULL;
47	char *vid = NULL;
48
49	di_node_t sv_node	= DI_NODE_NIL;
50	di_node_t sv_child_node	= DI_NODE_NIL;
51
52	int instNum;
53	int majorNum;
54	MP_UINT64 osn;
55
56
57	log(LOG_INFO, "getOidList()", " - enter");
58
59
60	sv_node = di_drv_first_node("scsi_vhci", root_node);
61	if (DI_NODE_NIL == sv_node) {
62		log(LOG_INFO, "getOidList()", " - di_drv_first_node() failed");
63		return (-1);
64	}
65
66
67	sv_child_node = di_child_node(sv_node);
68
69	while (DI_NODE_NIL != sv_child_node) {
70
71		(void) di_prop_lookup_strings(DDI_DEV_T_ANY, sv_child_node,
72		    "inquiry-product-id", &pid);
73
74		pidSize = strlen(pid);
75
76		(void) di_prop_lookup_strings(DDI_DEV_T_ANY, sv_child_node,
77		    "inquiry-vendor-id", &vid);
78
79		vidSize = strlen(vid);
80
81		if ((0 == strncmp(pProductID, pid, pidSize)) &&
82		    (0 == strncmp(pVendorID, vid, vidSize))) {
83
84			instNum = di_instance(sv_child_node);
85			majorNum = di_driver_major(sv_child_node);
86
87			if (haveList && numNodes < pOidList->oidCount) {
88
89				osn = 0;
90				osn = MP_STORE_INST_TO_ID(instNum, osn);
91				osn = MP_STORE_MAJOR_TO_ID(majorNum, osn);
92
93				pOidList->oids[numNodes].objectType =
94				    MP_OBJECT_TYPE_MULTIPATH_LU;
95
96				pOidList->oids[numNodes].ownerId =
97				    g_pluginOwnerID;
98
99				pOidList->oids[numNodes].objectSequenceNumber =
100				    osn;
101			}
102
103			++numNodes;
104		}
105
106		sv_child_node = di_sibling_node(sv_child_node);
107	}
108
109
110	log(LOG_INFO, "getOidList()", " - numNodes: %d", numNodes);
111	log(LOG_INFO, "getOidList()", " - exit");
112
113	return (numNodes);
114}
115
116
117MP_STATUS
118MP_GetMultipathLusDevProd(MP_OID oid, MP_OID_LIST **ppList)
119{
120	di_node_t root_node	= DI_NODE_NIL;
121
122	MP_STATUS mpStatus	= MP_STATUS_SUCCESS;
123
124	int numNodes = 0;
125	int ioctlStatus = 0;
126	int i = 0;
127
128	mp_iocdata_t		mp_ioctl;
129	mp_dev_prod_prop_t	devProdInfo;
130
131	char inqProductID[256];
132	char inqVendorID[256];
133
134
135	log(LOG_INFO, "MP_GetMultipathLusDevProd()", " - enter");
136
137	log(LOG_INFO, "MP_GetMultipathLusDevProd()",
138	    "oid.objectSequenceNumber = %llx",
139	    oid.objectSequenceNumber);
140
141	if (g_scsi_vhci_fd < 0) {
142		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
143		    "invalid driver file handle");
144		log(LOG_INFO, "MP_GetMultipathLusDevProd",
145		    " - error exit");
146		return (MP_STATUS_FAILED);
147	}
148
149	(void) memset(&mp_ioctl, 0, sizeof (mp_iocdata_t));
150	(void) memset(&devProdInfo, 0, sizeof (mp_dev_prod_prop_t));
151
152	mp_ioctl.mp_cmd  = MP_GET_DEV_PROD_PROP;
153	mp_ioctl.mp_ibuf = (caddr_t)&oid.objectSequenceNumber;
154	mp_ioctl.mp_ilen = sizeof (oid.objectSequenceNumber);
155	mp_ioctl.mp_obuf = (caddr_t)&devProdInfo;
156	mp_ioctl.mp_olen = sizeof (mp_dev_prod_prop_t);
157	mp_ioctl.mp_xfer = MP_XFER_READ;
158
159	ioctlStatus = ioctl(g_scsi_vhci_fd, MP_CMD, &mp_ioctl);
160
161	log(LOG_INFO, "MP_GetMultipathLusDevProd()",
162	    " IOCTL call returned: %d", ioctlStatus);
163
164	if (ioctlStatus < 0) {
165		ioctlStatus = errno;
166	}
167
168	if (ioctlStatus != 0) {
169		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
170		    "IOCTL call failed.  IOCTL error is: %d",
171		    ioctlStatus);
172		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
173		    "IOCTL call failed.  IOCTL error is: %s",
174		    strerror(ioctlStatus));
175		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
176		    "IOCTL call failed.  mp_ioctl.mp_errno: %x",
177		    mp_ioctl.mp_errno);
178
179		if (ENOTSUP == ioctlStatus) {
180			mpStatus = MP_STATUS_UNSUPPORTED;
181		} else if (0 == mp_ioctl.mp_errno) {
182			mpStatus = MP_STATUS_FAILED;
183		} else {
184			mpStatus = getStatus4ErrorCode(mp_ioctl.mp_errno);
185		}
186
187		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
188		    " - error exit");
189
190		return (mpStatus);
191	}
192
193	(void) strncpy(inqProductID, devProdInfo.prodInfo.product,
194	    sizeof (devProdInfo.prodInfo.product));
195
196	(void) strncpy(inqVendorID, devProdInfo.prodInfo.vendor,
197	    sizeof (devProdInfo.prodInfo.vendor));
198
199	log(LOG_INFO, "MP_GetMultipathLusDevProd()",
200	    " - inqProductID:  [%s]", inqProductID);
201	log(LOG_INFO, "MP_GetMultipathLusDevProd()",
202	    " - inqVendorID:   [%s]", inqVendorID);
203
204	root_node = di_init("/", DINFOCACHE);
205	if (DI_NODE_NIL == root_node) {
206		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
207		    " - di_init() failed");
208
209		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
210		    " - error exit");
211
212		return (MP_STATUS_FAILED);
213	}
214
215	numNodes = getOidList(root_node, NULL, inqProductID, inqVendorID);
216	if (numNodes < 0) {
217
218		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
219		    " - unable to get OID list.");
220
221		log(LOG_INFO, "MP_GetMultipathLusDevProd()", " - error exit");
222
223		di_fini(root_node);
224
225		return (MP_STATUS_FAILED);
226	}
227
228
229	if (0 == numNodes) {
230
231		*ppList = createOidList(1);
232		if (NULL == *ppList) {
233
234			log(LOG_INFO, "MP_GetMultipathLusDevProd()",
235			    " - unable to create OID list.");
236
237			log(LOG_INFO, "MP_GetMultipathLusDevProd()",
238			    " - error exit");
239
240			di_fini(root_node);
241
242			return (MP_STATUS_INSUFFICIENT_MEMORY);
243		}
244
245		(*ppList)->oids[0].objectType = MP_OBJECT_TYPE_MULTIPATH_LU;
246		(*ppList)->oids[0].ownerId = g_pluginOwnerID;
247
248		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
249		    " - returning empty list.");
250
251		return (MP_STATUS_SUCCESS);
252	}
253
254	*ppList = createOidList(numNodes);
255	if (NULL == *ppList) {
256		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
257		    "no memory for *ppList");
258		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
259		    " - error exit");
260		return (MP_STATUS_INSUFFICIENT_MEMORY);
261	}
262
263	(*ppList)->oidCount = numNodes;
264
265	numNodes = getOidList(root_node, *ppList, inqProductID, inqVendorID);
266
267	for (i = 0; i < (*ppList)->oidCount; i++) {
268
269		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
270		    "(*ppList)->oids[%d].objectType           = %d",
271		    i, (*ppList)->oids[i].objectType);
272		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
273		    "(*ppList)->oids[%d].ownerId              = %d",
274		    i, (*ppList)->oids[i].ownerId);
275		log(LOG_INFO, "MP_GetMultipathLusDevProd()",
276		    "(*ppList)->oids[%d].objectSequenceNumber = %llx",
277		    i, (*ppList)->oids[i].objectSequenceNumber);
278	}
279
280
281	di_fini(root_node);
282
283	log(LOG_INFO, "MP_GetMultipathLusDevProd()", " - exit");
284
285	return (MP_STATUS_SUCCESS);
286
287}
288