meson: convert qapi-specific to meson
[qemu.git] / hw / ipmi / isa_ipmi_kcs.c
1 /*
2 * QEMU ISA 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 #include "qemu/osdep.h"
26 #include "qemu/log.h"
27 #include "qemu/module.h"
28 #include "qapi/error.h"
29 #include "hw/irq.h"
30 #include "hw/ipmi/ipmi_kcs.h"
31 #include "hw/isa/isa.h"
32 #include "hw/qdev-properties.h"
33 #include "migration/vmstate.h"
34
35 #define TYPE_ISA_IPMI_KCS "isa-ipmi-kcs"
36 #define ISA_IPMI_KCS(obj) OBJECT_CHECK(ISAIPMIKCSDevice, (obj), \
37 TYPE_ISA_IPMI_KCS)
38
39 typedef struct ISAIPMIKCSDevice {
40 ISADevice dev;
41 int32_t isairq;
42 qemu_irq irq;
43 IPMIKCS kcs;
44 uint32_t uuid;
45 } ISAIPMIKCSDevice;
46
47 static void isa_ipmi_kcs_get_fwinfo(IPMIInterface *ii, IPMIFwInfo *info)
48 {
49 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
50
51 ipmi_kcs_get_fwinfo(&iik->kcs, info);
52 info->interrupt_number = iik->isairq;
53 info->uuid = iik->uuid;
54 }
55
56 static void isa_ipmi_kcs_raise_irq(IPMIKCS *ik)
57 {
58 ISAIPMIKCSDevice *iik = ik->opaque;
59
60 qemu_irq_raise(iik->irq);
61 }
62
63 static void isa_ipmi_kcs_lower_irq(IPMIKCS *ik)
64 {
65 ISAIPMIKCSDevice *iik = ik->opaque;
66
67 qemu_irq_lower(iik->irq);
68 }
69
70 static void ipmi_isa_realize(DeviceState *dev, Error **errp)
71 {
72 Error *err = NULL;
73 ISADevice *isadev = ISA_DEVICE(dev);
74 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(dev);
75 IPMIInterface *ii = IPMI_INTERFACE(dev);
76 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
77
78 if (!iik->kcs.bmc) {
79 error_setg(errp, "IPMI device requires a bmc attribute to be set");
80 return;
81 }
82
83 iik->uuid = ipmi_next_uuid();
84
85 iik->kcs.bmc->intf = ii;
86 iik->kcs.opaque = iik;
87
88 iic->init(ii, 0, &err);
89 if (err) {
90 error_propagate(errp, err);
91 return;
92 }
93
94 if (iik->isairq > 0) {
95 isa_init_irq(isadev, &iik->irq, iik->isairq);
96 iik->kcs.use_irq = 1;
97 iik->kcs.raise_irq = isa_ipmi_kcs_raise_irq;
98 iik->kcs.lower_irq = isa_ipmi_kcs_lower_irq;
99 }
100
101 qdev_set_legacy_instance_id(dev, iik->kcs.io_base, iik->kcs.io_length);
102
103 isa_register_ioport(isadev, &iik->kcs.io, iik->kcs.io_base);
104 }
105
106 static bool vmstate_kcs_before_version2(void *opaque, int version)
107 {
108 return version <= 1;
109 }
110
111 static const VMStateDescription vmstate_ISAIPMIKCSDevice = {
112 .name = TYPE_IPMI_INTERFACE,
113 .version_id = 2,
114 .minimum_version_id = 1,
115 .fields = (VMStateField[]) {
116 VMSTATE_VSTRUCT_TEST(kcs, ISAIPMIKCSDevice, vmstate_kcs_before_version2,
117 0, vmstate_IPMIKCS, IPMIKCS, 1),
118 VMSTATE_VSTRUCT_V(kcs, ISAIPMIKCSDevice, 2, vmstate_IPMIKCS,
119 IPMIKCS, 2),
120 VMSTATE_END_OF_LIST()
121 }
122 };
123
124 static void isa_ipmi_kcs_init(Object *obj)
125 {
126 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(obj);
127
128 ipmi_bmc_find_and_link(obj, (Object **) &iik->kcs.bmc);
129
130 /*
131 * Version 1 had an incorrect name, it clashed with the BT
132 * IPMI device, so receive it, but transmit a different
133 * version.
134 */
135 vmstate_register(NULL, 0, &vmstate_ISAIPMIKCSDevice, iik);
136 }
137
138 static void *isa_ipmi_kcs_get_backend_data(IPMIInterface *ii)
139 {
140 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
141
142 return &iik->kcs;
143 }
144
145 static Property ipmi_isa_properties[] = {
146 DEFINE_PROP_UINT32("ioport", ISAIPMIKCSDevice, kcs.io_base, 0xca2),
147 DEFINE_PROP_INT32("irq", ISAIPMIKCSDevice, isairq, 5),
148 DEFINE_PROP_END_OF_LIST(),
149 };
150
151 static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data)
152 {
153 DeviceClass *dc = DEVICE_CLASS(oc);
154 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
155
156 dc->realize = ipmi_isa_realize;
157 device_class_set_props(dc, ipmi_isa_properties);
158
159 iic->get_backend_data = isa_ipmi_kcs_get_backend_data;
160 ipmi_kcs_class_init(iic);
161 iic->get_fwinfo = isa_ipmi_kcs_get_fwinfo;
162 }
163
164 static const TypeInfo isa_ipmi_kcs_info = {
165 .name = TYPE_ISA_IPMI_KCS,
166 .parent = TYPE_ISA_DEVICE,
167 .instance_size = sizeof(ISAIPMIKCSDevice),
168 .instance_init = isa_ipmi_kcs_init,
169 .class_init = isa_ipmi_kcs_class_init,
170 .interfaces = (InterfaceInfo[]) {
171 { TYPE_IPMI_INTERFACE },
172 { }
173 }
174 };
175
176 static void ipmi_register_types(void)
177 {
178 type_register_static(&isa_ipmi_kcs_info);
179 }
180
181 type_init(ipmi_register_types)