xref: /openbmc/qemu/include/hw/ipmi/ipmi_bt.h (revision f6476697)
1 /*
2  * QEMU IPMI BT emulation
3  *
4  * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef HW_IPMI_BT_H
26 #define HW_IPMI_BT_H
27 
28 #include "hw/ipmi/ipmi.h"
29 
30 typedef struct IPMIBT {
31     IPMIBmc *bmc;
32 
33     bool do_wake;
34 
35     bool obf_irq_set;
36     bool atn_irq_set;
37     bool irqs_enabled;
38 
39     uint8_t outmsg[MAX_IPMI_MSG_SIZE];
40     uint32_t outpos;
41     uint32_t outlen;
42 
43     uint8_t inmsg[MAX_IPMI_MSG_SIZE];
44     uint32_t inlen;
45 
46     uint8_t control_reg;
47     uint8_t mask_reg;
48 
49     /*
50      * This is a response number that we send with the command to make
51      * sure that the response matches the command.
52      */
53     uint8_t waiting_rsp;
54     uint8_t waiting_seq;
55 
56     uint32_t io_base;
57     unsigned long io_length;
58     MemoryRegion io;
59     unsigned long size_mask;
60 
61     void (*raise_irq)(struct IPMIBT *ib);
62     void (*lower_irq)(struct IPMIBT *ib);
63     void *opaque;
64 
65     bool use_irq;
66 } IPMIBT;
67 
68 void ipmi_bt_get_fwinfo(IPMIBT *ik, IPMIFwInfo *info);
69 void ipmi_bt_class_init(IPMIInterfaceClass *iic);
70 extern const VMStateDescription vmstate_IPMIBT;
71 int ipmi_bt_vmstate_post_load(void *opaque, int version);
72 
73 #endif /* HW_IPMI_BT_H */
74