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