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 | |
35 | static uint32_t ipmi_current_uuid = 1; |
36 | |
37 | uint32_t ipmi_next_uuid(void) |
38 | { |
39 | return ipmi_current_uuid++; |
40 | } |
41 | |
42 | static 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 | |
81 | static 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 | |
88 | static 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 | |
95 | static 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 | |
104 | void 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 | |
112 | static Property ipmi_bmc_properties[] = { |
113 | DEFINE_PROP_UINT8("slave_addr" , IPMIBmc, slave_addr, 0x20), |
114 | DEFINE_PROP_END_OF_LIST(), |
115 | }; |
116 | |
117 | static void bmc_class_init(ObjectClass *oc, void *data) |
118 | { |
119 | DeviceClass *dc = DEVICE_CLASS(oc); |
120 | |
121 | dc->props = ipmi_bmc_properties; |
122 | } |
123 | |
124 | static 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 | |
133 | static void ipmi_register_types(void) |
134 | { |
135 | type_register_static(&ipmi_interface_type_info); |
136 | type_register_static(&ipmi_bmc_type_info); |
137 | } |
138 | |
139 | type_init(ipmi_register_types) |
140 | |