1/*
2 * QEMU IPMI 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#include "qemu/osdep.h"
26#include "hw/ipmi/ipmi.h"
27#include "hw/qdev-properties.h"
28#include "qom/object_interfaces.h"
29#include "sysemu/runstate.h"
30#include "qapi/error.h"
31#include "qapi/qapi-commands-misc.h"
32#include "qapi/visitor.h"
33#include "qemu/module.h"
34
35static uint32_t ipmi_current_uuid = 1;
36
37uint32_t ipmi_next_uuid(void)
38{
39 return ipmi_current_uuid++;
40}
41
42static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly)
43{
44 switch (op) {
45 case IPMI_RESET_CHASSIS:
46 if (checkonly) {
47 return 0;
48 }
49 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
50 return 0;
51
52 case IPMI_POWEROFF_CHASSIS:
53 if (checkonly) {
54 return 0;
55 }
56 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
57 return 0;
58
59 case IPMI_SEND_NMI:
60 if (checkonly) {
61 return 0;
62 }
63 qmp_inject_nmi(NULL);
64 return 0;
65
66 case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP:
67 if (checkonly) {
68 return 0;
69 }
70 qemu_system_powerdown_request();
71 return 0;
72
73 case IPMI_POWERCYCLE_CHASSIS:
74 case IPMI_PULSE_DIAG_IRQ:
75 case IPMI_POWERON_CHASSIS:
76 default:
77 return IPMI_CC_COMMAND_NOT_SUPPORTED;
78 }
79}
80
81static void ipmi_interface_class_init(ObjectClass *class, void *data)
82{
83 IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class);
84
85 ik->do_hw_op = ipmi_do_hw_op;
86}
87
88static TypeInfo ipmi_interface_type_info = {
89 .name = TYPE_IPMI_INTERFACE,
90 .parent = TYPE_INTERFACE,
91 .class_size = sizeof(IPMIInterfaceClass),
92 .class_init = ipmi_interface_class_init,
93};
94
95static void isa_ipmi_bmc_check(const Object *obj, const char *name,
96 Object *val, Error **errp)
97{
98 IPMIBmc *bmc = IPMI_BMC(val);
99
100 if (bmc->intf)
101 error_setg(errp, "BMC object is already in use");
102}
103
104void ipmi_bmc_find_and_link(Object *obj, Object **bmc)
105{
106 object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc,
107 isa_ipmi_bmc_check,
108 OBJ_PROP_LINK_STRONG,
109 &error_abort);
110}
111
112static Property ipmi_bmc_properties[] = {
113 DEFINE_PROP_UINT8("slave_addr", IPMIBmc, slave_addr, 0x20),
114 DEFINE_PROP_END_OF_LIST(),
115};
116
117static void bmc_class_init(ObjectClass *oc, void *data)
118{
119 DeviceClass *dc = DEVICE_CLASS(oc);
120
121 dc->props = ipmi_bmc_properties;
122}
123
124static TypeInfo ipmi_bmc_type_info = {
125 .name = TYPE_IPMI_BMC,
126 .parent = TYPE_DEVICE,
127 .instance_size = sizeof(IPMIBmc),
128 .abstract = true,
129 .class_size = sizeof(IPMIBmcClass),
130 .class_init = bmc_class_init,
131};
132
133static void ipmi_register_types(void)
134{
135 type_register_static(&ipmi_interface_type_info);
136 type_register_static(&ipmi_bmc_type_info);
137}
138
139type_init(ipmi_register_types)
140