1 /*
2  * ipmi_types.h
3  *
4  * MontaVista IPMI interface general types.
5  *
6  * Author: MontaVista Software, Inc.
7  *         Corey Minyard <minyard@mvista.com>
8  *         source@mvista.com
9  *
10  * Copyright 2003,2004,2005 MontaVista Software Inc.
11  *
12  * This software is available to you under a choice of one of two
13  * licenses.  You may choose to be licensed under the terms of the GNU
14  * Lesser General Public License (GPL) Version 2 or the modified BSD
15  * license below.  The following disclamer applies to both licenses:
16  *
17  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
18  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22  *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
23  *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
25  *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
26  *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * GNU Lesser General Public Licence
29  *
30  *  This program is free software; you can redistribute it and/or
31  *  modify it under the terms of the GNU Lesser General Public License
32  *  as published by the Free Software Foundation; either version 2 of
33  *  the License, or (at your option) any later version.
34  *
35  *  You should have received a copy of the GNU Lesser General Public
36  *  License along with this program; if not, write to the Free
37  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
38  *
39  * Modified BSD Licence
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  *
45  *   1. Redistributions of source code must retain the above copyright
46  *      notice, this list of conditions and the following disclaimer.
47  *   2. Redistributions in binary form must reproduce the above
48  *      copyright notice, this list of conditions and the following
49  *      disclaimer in the documentation and/or other materials provided
50  *      with the distribution.
51  *   3. The name of the author may not be used to endorse or promote
52  *      products derived from this software without specific prior
53  *      written permission.
54  */
55 
56 #ifndef OPENIPMI_TYPES_H
57 #define OPENIPMI_TYPES_H
58 
59 #include <stdint.h>
60 #include <OpenIPMI/ipmi_addr.h>
61 #include <OpenIPMI/deprecator.h>
62 
63 #ifdef __cplusplus
64 extern "C" {
65 #endif
66 
67 /*
68  * These are the main types the user has to deal with.
69  */
70 
71 /*
72  * This represents IPMI system, called a "domain".  A domain is where
73  * a set of entities reside.
74  */
75 typedef struct ipmi_domain_s ipmi_domain_t;
76 typedef struct ipmi_domain_id_s ipmi_domain_id_t;
77 
78 /*
79  * An entity is a physical device that can be monitored or controlled.
80  */
81 typedef struct ipmi_entity_s ipmi_entity_t;
82 typedef struct ipmi_entity_id_s ipmi_entity_id_t;
83 
84 /*
85  * A fru is something that an entity contains that holds information
86  * about the entity in a defined format.
87  */
88 typedef struct ipmi_fru_s ipmi_fru_t;
89 
90 /*
91  * A sensor is something connected to an entity that can monitor or control
92  * the entity.
93  */
94 typedef struct ipmi_sensor_s ipmi_sensor_t;
95 typedef struct ipmi_sensor_id_s ipmi_sensor_id_t;
96 
97 /*
98  * A control is an output device, such as a light, relay, or display.
99  */
100 typedef struct ipmi_control_s ipmi_control_t;
101 typedef struct ipmi_control_id_s ipmi_control_id_t;
102 
103 /* Used to represent a time difference, in nanoseconds. */
104 typedef int64_t ipmi_timeout_t;
105 
106 #define IPMI_INVALID_TIME INT64_MIN
107 /* Used to represent an absolute time, in nanoseconds since 00:00 Jan
108    1, 1970 */
109 typedef int64_t ipmi_time_t;
110 
111 /* This type holds the arguments for an IPMI connection. */
112 typedef struct ipmi_args_s ipmi_args_t;
113 
114 #ifndef __LINUX_IPMI_H /* Don't include this is we are including the kernel */
115 
116 #define IPMI_MAX_MSG_LENGTH	256
117 
118 /* A raw IPMI message without any addressing.  This covers both
119    commands and responses.  The completion code is always the first
120    byte of data in the response (as the spec shows the messages laid
121    out). */
122 typedef struct ipmi_msg
123 {
124     unsigned char  netfn;
125     unsigned char  cmd;
126     unsigned short data_len;
127     unsigned char  *data;
128 } ipmi_msg_t;
129 
130 #else
131 
132 /* Generate a type for the kernel version of this. */
133 typedef struct ipmi_msg ipmi_msg_t;
134 
135 #endif
136 
137 /* A structure used to hold messages that can be put into a linked
138    list. */
139 typedef struct ipmi_msg_item_s
140 {
141     ipmi_addr_t   addr;
142     unsigned int  addr_len;
143     ipmi_msg_t    msg;
144     unsigned char data[IPMI_MAX_MSG_LENGTH];
145     struct ipmi_msg_item_s *next;
146     void          *data1;
147     void          *data2;
148     void          *data3;
149     void          *data4;
150 } ipmi_msgi_t;
151 
152 /* Return values for function that take the previous item. */
153 /* Use this if you are not keeping the message structure for later user. */
154 #define IPMI_MSG_ITEM_NOT_USED	0
155 /* If you keep the message data in a callback, return this so the caller
156    knows to not free the data itself.  You must free it later. */
157 #define IPMI_MSG_ITEM_USED	1
158 
159 /* Pay no attention to the contents of these structures... */
160 struct ipmi_domain_id_s
161 {
162     ipmi_domain_t *domain;
163 };
164 #define IPMI_DOMAIN_ID_INVALID { NULL }
165 
166 struct ipmi_entity_id_s
167 {
168     ipmi_domain_id_t domain_id;
169     unsigned int     entity_id       : 8;
170     unsigned int     entity_instance : 8;
171     unsigned int     channel         : 4;
172     unsigned int     address         : 8;
173     long             seq;
174 };
175 #define IPMI_ENTITY_ID_INVALID { IPMI_DOMAIN_ID_INVALID, 0, 0, 0, 0, 0 }
176 
177 /* This structure is kind of a cheap hack.  It's internal and
178    definately *NOT* for use by the user.  It can represent two
179    different types of addresses.  An IPMI will have a normal channel
180    number (usually 0 or 1) and the IPMB address will be in "mc_num".
181    A direct connection to a system interface (KCS, LAN, etc.) is
182    represented as IPMI_BMC_CHANNEL in the channel number and the
183    interface number in mc_num.  Multiple interface numbers are used
184    because you can have more than one connection to a domain; the
185    first connection will be mc_num 0, the second will be mc_num 1,
186    etc. */
187 typedef struct ipmi_mcid_s
188 {
189     ipmi_domain_id_t domain_id;
190     unsigned char    mc_num;
191     unsigned char    channel;
192     long             seq;
193 } ipmi_mcid_t;
194 #define IPMI_MCID_INVALID { IPMI_DOMAIN_ID_INVALID, 0, 0, 0 }
195 
196 typedef struct ipmi_mc_s ipmi_mc_t;
197 
198 struct ipmi_sensor_id_s
199 {
200     ipmi_mcid_t  mcid;
201     unsigned int lun        : 3;
202     unsigned int sensor_num : 8;
203 };
204 #define IPMI_SENSOR_ID_INVALID { IPMI_MCID_INVALID, 0, 0 }
205 
206 struct ipmi_control_id_s
207 {
208     ipmi_mcid_t  mcid;
209     unsigned int lun         : 3;
210     unsigned int control_num : 8;
211 };
212 #define IPMI_CONTROL_ID_INVALID { IPMI_MCID_INVALID, 0, 0 }
213 
214 /* The event structure is no longer public. */
215 typedef struct ipmi_event_s ipmi_event_t;
216 
217 /* This represents a low-level connection. */
218 typedef struct ipmi_con_s ipmi_con_t;
219 
220 /*
221  * Channel information for a connection.
222  */
223 typedef struct ipmi_chan_info_s
224 {
225     unsigned int medium : 7;
226     unsigned int xmit_support : 1;
227     unsigned int recv_lun : 3;
228     unsigned int protocol : 5;
229     unsigned int session_support : 2;
230     unsigned int vendor_id : 24;
231     unsigned int aux_info : 16;
232 } ipmi_chan_info_t;
233 
234 #define MAX_IPMI_USED_CHANNELS 14
235 
236 #ifdef __cplusplus
237 }
238 #endif
239 
240 #endif /* OPENIPMI_TYPES_H */
241