xref: /openbmc/ipmitool/src/plugins/lipmi/lipmi.c (revision c18ec02f3304ce2a889a50e378f07a4168af3884)
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/stropts.h>
42 
43 #include <ipmitool/ipmi.h>
44 #include <ipmitool/ipmi_intf.h>
45 
46 #include <sys/lipmi/lipmi_intf.h>
47 
48 #define IPMI_LIPMI_DEV		"/dev/lipmi"
49 
50 extern int verbose;
51 
ipmi_lipmi_open(struct ipmi_intf * intf)52 static int ipmi_lipmi_open(struct ipmi_intf * intf)
53 {
54 	intf->fd = open(IPMI_LIPMI_DEV, O_RDWR);
55 	if (intf->fd < 0) {
56 		perror("Could not open lipmi device");
57 		return -1;
58 	}
59 	intf->opened = 1;
60 	intf->manufacturer_id = ipmi_get_oem(intf);
61 	return intf->fd;
62 }
63 
ipmi_lipmi_close(struct ipmi_intf * intf)64 static void ipmi_lipmi_close(struct ipmi_intf * intf)
65 {
66 	if (intf && intf->fd >= 0)
67 		close(intf->fd);
68 	intf->fd = -1;
69 	intf->opened = 0;
70 	intf->manufacturer_id = IPMI_OEM_UNKNOWN;
71 }
72 
ipmi_lipmi_send_cmd(struct ipmi_intf * intf,struct ipmi_rq * req)73 static struct ipmi_rs * ipmi_lipmi_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
74 {
75 	struct strioctl istr;
76 	static struct lipmi_reqrsp reqrsp;
77 	static struct ipmi_rs rsp;
78 	static int curr_seq = 0;
79 
80 	if (!intf || !req)
81 		return NULL;
82 
83 	if (!intf->opened && intf->open && intf->open(intf) < 0)
84 		return NULL;
85 
86 	memset(&reqrsp, 0, sizeof(reqrsp));
87 	reqrsp.req.fn = req->msg.netfn;
88 	reqrsp.req.lun = 0;
89 	reqrsp.req.cmd = req->msg.cmd;
90 	reqrsp.req.datalength = req->msg.data_len;
91 	memcpy(reqrsp.req.data, req->msg.data, req->msg.data_len);
92 	reqrsp.rsp.datalength = RECV_MAX_PAYLOAD_SIZE;
93 
94 	istr.ic_cmd = IOCTL_IPMI_KCS_ACTION;
95 	istr.ic_timout = 0;
96 	istr.ic_dp = (char *)&reqrsp;
97 	istr.ic_len = sizeof(struct lipmi_reqrsp);
98 
99 	if (verbose > 1) {
100 		printf("LIPMI req.fn         : %x\n", reqrsp.req.fn);
101 		printf("LIPMI req.lun        : %x\n", reqrsp.req.lun);
102 		printf("LIPMI req.cmd        : %x\n", reqrsp.req.cmd);
103 		printf("LIPMI req.datalength : %d\n", reqrsp.req.datalength);
104 	}
105 
106 	if (ioctl(intf->fd, I_STR, &istr) < 0) {
107 		perror("LIPMI IOCTL: I_STR");
108 		return NULL;
109 	}
110 
111 	memset(&rsp, 0, sizeof(struct ipmi_rs));
112 	rsp.ccode = reqrsp.rsp.ccode;
113 	rsp.data_len = reqrsp.rsp.datalength;
114 
115 	if (!rsp.ccode && rsp.data_len)
116 		memcpy(rsp.data, reqrsp.rsp.data, rsp.data_len);
117 
118 	return &rsp;
119 }
120 
121 struct ipmi_intf ipmi_lipmi_intf = {
122 	name:		"lipmi",
123 	desc:		"Solaris x86 LIPMI Interface",
124 	open:		ipmi_lipmi_open,
125 	close:		ipmi_lipmi_close,
126 	sendrecv:	ipmi_lipmi_send_cmd,
127 	target_addr:	IPMI_BMC_SLAVE_ADDR,
128 };
129 
130