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
getOidList(di_node_t root_node,MP_OID_LIST * pOidList,char * pProductID,char * pVendorID)35 static 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
117 MP_STATUS
MP_GetMultipathLusDevProd(MP_OID oid,MP_OID_LIST ** ppList)118 MP_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