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 * Copyright (c) 2018, Joyent, Inc.
26 */
27
28 #include <libipmi.h>
29 #include <string.h>
30
31 #include "ipmi_impl.h"
32
33 ipmi_handle_t *
ipmi_open(int * errp,char ** msg,uint_t xport_type,nvlist_t * params)34 ipmi_open(int *errp, char **msg, uint_t xport_type, nvlist_t *params)
35 {
36 ipmi_handle_t *ihp;
37 static char errmsg[48];
38
39 if (msg)
40 *msg = NULL;
41
42 if ((ihp = calloc(1, sizeof (ipmi_handle_t))) == NULL) {
43 *errp = EIPMI_NOMEM;
44 if (msg)
45 *msg = "memory allocation failure";
46 return (NULL);
47 }
48
49 switch (xport_type) {
50 case IPMI_TRANSPORT_BMC:
51 ihp->ih_transport = &ipmi_transport_bmc;
52 break;
53 case IPMI_TRANSPORT_LAN:
54 ihp->ih_transport = &ipmi_transport_lan;
55 break;
56 default:
57 *msg = "invalid transport type specified";
58 return (NULL);
59 }
60
61 ihp->ih_retries = 3;
62
63 if ((ihp->ih_tdata = ihp->ih_transport->it_open(ihp, params)) == NULL ||
64 ipmi_sdr_init(ihp) != 0 || ipmi_entity_init(ihp) != 0) {
65 *errp = ihp->ih_errno;
66 if (msg) {
67 (void) strncpy(errmsg, ipmi_errmsg(ihp), 47);
68 errmsg[47] = '\0';
69 *msg = errmsg;
70 }
71 ipmi_close(ihp);
72 return (NULL);
73 }
74
75 return (ihp);
76 }
77
78 void
ipmi_close(ipmi_handle_t * ihp)79 ipmi_close(ipmi_handle_t *ihp)
80 {
81 if (ihp->ih_transport && ihp->ih_tdata)
82 ihp->ih_transport->it_close(ihp->ih_tdata);
83 ipmi_free(ihp, ihp->ih_deviceid);
84 ipmi_free(ihp, ihp->ih_firmware_rev);
85 ipmi_user_clear(ihp);
86 ipmi_sdr_fini(ihp);
87 ipmi_entity_fini(ihp);
88 free(ihp);
89 }
90
91 /*
92 * See section 5.2 for a description of the completion codes.
93 */
94 static struct ipmi_err_conv {
95 int bmc_err;
96 int ipmi_err;
97 } ipmi_errtable[] = {
98 { 0xC0, EIPMI_BUSY },
99 { 0xC1, EIPMI_INVALID_COMMAND },
100 { 0xC2, EIPMI_INVALID_COMMAND },
101 { 0xC3, EIPMI_COMMAND_TIMEOUT },
102 { 0xC4, EIPMI_NOSPACE },
103 { 0xC5, EIPMI_INVALID_RESERVATION },
104 { 0xC6, EIPMI_INVALID_REQUEST },
105 { 0xC7, EIPMI_INVALID_REQUEST },
106 { 0xC8, EIPMI_INVALID_REQUEST },
107 { 0xC9, EIPMI_INVALID_REQUEST },
108 { 0xCA, EIPMI_DATA_LENGTH_EXCEEDED },
109 { 0xCB, EIPMI_NOT_PRESENT },
110 { 0xCC, EIPMI_INVALID_REQUEST },
111 { 0xCD, EIPMI_INVALID_COMMAND },
112 { 0xCE, EIPMI_UNAVAILABLE },
113 { 0xCF, EIPMI_UNAVAILABLE },
114 { 0xD0, EIPMI_BUSY },
115 { 0xD1, EIPMI_BUSY },
116 { 0xD2, EIPMI_BUSY },
117 { 0xD3, EIPMI_NOT_PRESENT },
118 { 0xD4, EIPMI_ACCESS },
119 { 0xD5, EIPMI_UNAVAILABLE },
120 { 0xD6, EIPMI_UNAVAILABLE },
121 { 0xFF, EIPMI_UNSPECIFIED },
122 };
123
124 #define IPMI_ERROR_COUNT \
125 (sizeof (ipmi_errtable) / sizeof (ipmi_errtable[0]))
126
127 ipmi_cmd_t *
ipmi_send(ipmi_handle_t * ihp,ipmi_cmd_t * cmd)128 ipmi_send(ipmi_handle_t *ihp, ipmi_cmd_t *cmd)
129 {
130 int i;
131
132 if (ihp->ih_transport->it_send(ihp->ih_tdata, cmd, &ihp->ih_response,
133 &ihp->ih_completion) != 0)
134 return (NULL);
135
136 if (ihp->ih_completion != 0) {
137 for (i = 0; i < IPMI_ERROR_COUNT; i++) {
138 if (ihp->ih_completion == ipmi_errtable[i].bmc_err) {
139 (void) ipmi_set_error(ihp,
140 ipmi_errtable[i].ipmi_err,
141 "IPMI completion code 0x%x",
142 ihp->ih_completion);
143 return (NULL);
144 }
145 }
146
147 (void) ipmi_set_error(ihp, EIPMI_UNKNOWN,
148 "IPMI completion code 0x%x", ihp->ih_completion);
149 return (NULL);
150 }
151
152 return (&ihp->ih_response);
153 }
154