xref: /openbmc/ipmitool/src/plugins/imb/imb.c (revision 70984dca)
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 
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 
71 static void ipmi_imb_close(struct ipmi_intf * intf)
72 {
73 	intf->opened = 0;
74 	intf->manufacturer_id = IPMI_OEM_UNKNOWN;
75 }
76 
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