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 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <libipmi.h>
27 #include <string.h>
28
29 #include "ipmi_impl.h"
30
31 ipmi_handle_t *
ipmi_open(int * errp,char ** msg,uint_t xport_type,nvlist_t * params)32 ipmi_open(int *errp, char **msg, uint_t xport_type, nvlist_t *params)
33 {
34 ipmi_handle_t *ihp;
35 static char errmsg[48];
36
37 if (msg)
38 *msg = NULL;
39
40 if ((ihp = calloc(sizeof (ipmi_handle_t), 1)) == NULL) {
41 *errp = EIPMI_NOMEM;
42 if (msg)
43 *msg = "memory allocation failure";
44 return (NULL);
45 }
46
47 switch (xport_type) {
48 case IPMI_TRANSPORT_BMC:
49 ihp->ih_transport = &ipmi_transport_bmc;
50 break;
51 case IPMI_TRANSPORT_LAN:
52 ihp->ih_transport = &ipmi_transport_lan;
53 break;
54 default:
55 *msg = "invalid transport type specified";
56 return (NULL);
57 }
58
59 ihp->ih_retries = 3;
60
61 if ((ihp->ih_tdata = ihp->ih_transport->it_open(ihp, params)) == NULL ||
62 ipmi_sdr_init(ihp) != 0 || ipmi_entity_init(ihp) != 0) {
63 *errp = ihp->ih_errno;
64 if (msg) {
65 (void) strncpy(errmsg, ipmi_errmsg(ihp), 47);
66 errmsg[47] = '\0';
67 *msg = errmsg;
68 }
69 ipmi_close(ihp);
70 return (NULL);
71 }
72
73 return (ihp);
74 }
75
76 void
ipmi_close(ipmi_handle_t * ihp)77 ipmi_close(ipmi_handle_t *ihp)
78 {
79 if (ihp->ih_transport && ihp->ih_tdata)
80 ihp->ih_transport->it_close(ihp->ih_tdata);
81 ipmi_free(ihp, ihp->ih_deviceid);
82 ipmi_free(ihp, ihp->ih_firmware_rev);
83 ipmi_user_clear(ihp);
84 ipmi_sdr_fini(ihp);
85 ipmi_entity_fini(ihp);
86 free(ihp);
87 }
88
89 /*
90 * See section 5.2 for a description of the completion codes.
91 */
92 static struct ipmi_err_conv {
93 int bmc_err;
94 int ipmi_err;
95 } ipmi_errtable[] = {
96 { 0xC0, EIPMI_BUSY },
97 { 0xC1, EIPMI_INVALID_COMMAND },
98 { 0xC2, EIPMI_INVALID_COMMAND },
99 { 0xC3, EIPMI_COMMAND_TIMEOUT },
100 { 0xC4, EIPMI_NOSPACE },
101 { 0xC5, EIPMI_INVALID_RESERVATION },
102 { 0xC6, EIPMI_INVALID_REQUEST },
103 { 0xC7, EIPMI_INVALID_REQUEST },
104 { 0xC8, EIPMI_INVALID_REQUEST },
105 { 0xC9, EIPMI_INVALID_REQUEST },
106 { 0xCA, EIPMI_DATA_LENGTH_EXCEEDED },
107 { 0xCB, EIPMI_NOT_PRESENT },
108 { 0xCC, EIPMI_INVALID_REQUEST },
109 { 0xCD, EIPMI_INVALID_COMMAND },
110 { 0xCE, EIPMI_UNAVAILABLE },
111 { 0xCF, EIPMI_UNAVAILABLE },
112 { 0xD0, EIPMI_BUSY },
113 { 0xD1, EIPMI_BUSY },
114 { 0xD2, EIPMI_BUSY },
115 { 0xD3, EIPMI_NOT_PRESENT },
116 { 0xD4, EIPMI_ACCESS },
117 { 0xD5, EIPMI_UNAVAILABLE },
118 { 0xD6, EIPMI_UNAVAILABLE },
119 { 0xFF, EIPMI_UNSPECIFIED },
120 };
121
122 #define IPMI_ERROR_COUNT \
123 (sizeof (ipmi_errtable) / sizeof (ipmi_errtable[0]))
124
125 ipmi_cmd_t *
ipmi_send(ipmi_handle_t * ihp,ipmi_cmd_t * cmd)126 ipmi_send(ipmi_handle_t *ihp, ipmi_cmd_t *cmd)
127 {
128 int i;
129
130 if (ihp->ih_transport->it_send(ihp->ih_tdata, cmd, &ihp->ih_response,
131 &ihp->ih_completion) != 0)
132 return (NULL);
133
134 if (ihp->ih_completion != 0) {
135 for (i = 0; i < IPMI_ERROR_COUNT; i++) {
136 if (ihp->ih_completion == ipmi_errtable[i].bmc_err) {
137 (void) ipmi_set_error(ihp,
138 ipmi_errtable[i].ipmi_err,
139 "IPMI completion code 0x%x",
140 ihp->ih_completion);
141 return (NULL);
142 }
143 }
144
145 (void) ipmi_set_error(ihp, EIPMI_UNKNOWN,
146 "IPMI completion code 0x%x", ihp->ih_completion);
147 return (NULL);
148 }
149
150 return (&ihp->ih_response);
151 }
152