xref: /openbmc/qemu/include/hw/ipmi/ipmi_kcs.h (revision ea0ec714)
1 /*
2  * QEMU IPMI KCS emulation
3  *
4  * Copyright (c) 2015,2017 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_KCS_H
26 #define HW_IPMI_KCS_H
27 
28 #include "hw/ipmi/ipmi.h"
29 
30 typedef struct IPMIKCS {
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     bool write_end;
46 
47     uint8_t status_reg;
48     uint8_t data_out_reg;
49 
50     int16_t data_in_reg; /* -1 means not written */
51     int16_t cmd_reg;
52 
53     /*
54      * This is a response number that we send with the command to make
55      * sure that the response matches the command.
56      */
57     uint8_t waiting_rsp;
58 
59     uint32_t io_base;
60     unsigned long io_length;
61     MemoryRegion io;
62     unsigned long size_mask;
63 
64     void (*raise_irq)(struct IPMIKCS *ik);
65     void (*lower_irq)(struct IPMIKCS *ik);
66     void *opaque;
67 
68     bool use_irq;
69 } IPMIKCS;
70 
71 void ipmi_kcs_get_fwinfo(IPMIKCS *ik, IPMIFwInfo *info);
72 void ipmi_kcs_class_init(IPMIInterfaceClass *iic);
73 extern const VMStateDescription vmstate_IPMIKCS;
74 int ipmi_kcs_vmstate_post_load(void *opaque, int version);
75 
76 #endif /* HW_IPMI_KCS_H */
77