1 /*
2 * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * Redistribution of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * Redistribution in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * Neither the name of Sun Microsystems, Inc. or the names of
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * This software is provided "AS IS," without a warranty of any kind.
20 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
21 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
22 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
23 * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
24 * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
25 * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
26 * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
27 * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
28 * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
29 * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
30 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
31 */
32
33 #include <stdio.h>
34 #include <fcntl.h>
35 #include <unistd.h>
36 #include <sys/ioctl.h>
37 #include <errno.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <sys/types.h>
41 #include <sys/stat.h>
42
43 #include <ipmitool/ipmi.h>
44 #include <ipmitool/ipmi_intf.h>
45 #include <ipmitool/helper.h>
46
47 #include "imbapi.h"
48
49 #define IPMI_IMB_TIMEOUT (1000 * 1000)
50 #define IPMI_IMB_MAX_RETRY 3
51 #define IPMI_IMB_DEV "/dev/imb"
52 #define IPMI_IMB_BUF_SIZE 64
53
54 extern int verbose;
55
ipmi_imb_open(struct ipmi_intf * intf)56 static int ipmi_imb_open(struct ipmi_intf * intf)
57 {
58 struct stat stbuf;
59
60 if (stat(IPMI_IMB_DEV, &stbuf) < 0) {
61 printf("Error: no IMB driver found at %s!\n", IPMI_IMB_DEV);
62 return -1;
63 }
64
65 intf->opened = 1;
66 intf->manufacturer_id = ipmi_get_oem(intf);
67
68 return 0;
69 }
70
ipmi_imb_close(struct ipmi_intf * intf)71 static void ipmi_imb_close(struct ipmi_intf * intf)
72 {
73 intf->opened = 0;
74 intf->manufacturer_id = IPMI_OEM_UNKNOWN;
75 }
76
ipmi_imb_send_cmd(struct ipmi_intf * intf,struct ipmi_rq * req)77 static struct ipmi_rs * ipmi_imb_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
78 {
79 IMBPREQUESTDATA imbreq;
80 static struct ipmi_rs rsp;
81 int status, i;
82 unsigned char ccode;
83
84 imbreq.rsSa = IPMI_BMC_SLAVE_ADDR;
85 imbreq.rsLun = 0;
86 imbreq.busType = 0;
87 imbreq.netFn = req->msg.netfn;
88 imbreq.cmdType = req->msg.cmd;
89
90 imbreq.data = req->msg.data;
91 imbreq.dataLength = req->msg.data_len;
92
93 if (verbose > 1) {
94 printf("IMB rsSa : %x\n", imbreq.rsSa);
95 printf("IMB netFn : %x\n", imbreq.netFn);
96 printf("IMB cmdType : %x\n", imbreq.cmdType);
97 printf("IMB dataLength : %d\n", imbreq.dataLength);
98 }
99
100 rsp.data_len = IPMI_IMB_BUF_SIZE;
101 memset(rsp.data, 0, rsp.data_len);
102
103 for (i=0; i<IPMI_IMB_MAX_RETRY; i++) {
104 if (verbose > 2)
105 printbuf(imbreq.data, imbreq.dataLength, "ipmi_imb request");
106 status = SendTimedImbpRequest(&imbreq, IPMI_IMB_TIMEOUT,
107 rsp.data, &rsp.data_len, &ccode);
108 if (status == 0) {
109 if (verbose > 2)
110 printbuf(rsp.data, rsp.data_len, "ipmi_imb response");
111 break;
112 }
113 /* error */
114 printf("Error sending IMB request, status=%x ccode=%x\n",
115 status, ccode);
116 }
117
118 rsp.ccode = ccode;
119
120 return &rsp;
121 }
122
123 struct ipmi_intf ipmi_imb_intf = {
124 .name = "imb",
125 .desc = "Intel IMB Interface",
126 .open = ipmi_imb_open,
127 .close = ipmi_imb_close,
128 .sendrecv = ipmi_imb_send_cmd,
129 .target_addr = IPMI_BMC_SLAVE_ADDR,
130 };
131
132