meson: convert qapi-specific to meson
[qemu.git] / hw / ipmi / isa_ipmi_bt.c
1 /*
2 * QEMU ISA 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 #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_bt.h"
31 #include "hw/isa/isa.h"
32 #include "hw/qdev-properties.h"
33 #include "migration/vmstate.h"
34
35 #define TYPE_ISA_IPMI_BT "isa-ipmi-bt"
36 #define ISA_IPMI_BT(obj) OBJECT_CHECK(ISAIPMIBTDevice, (obj), \
37 TYPE_ISA_IPMI_BT)
38
39 typedef struct ISAIPMIBTDevice {
40 ISADevice dev;
41 int32_t isairq;
42 qemu_irq irq;
43 IPMIBT bt;
44 uint32_t uuid;
45 } ISAIPMIBTDevice;
46
47 static void isa_ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo *info)
48 {
49 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
50
51 ipmi_bt_get_fwinfo(&iib->bt, info);
52 info->interrupt_number = iib->isairq;
53 info->i2c_slave_address = iib->bt.bmc->slave_addr;
54 info->uuid = iib->uuid;
55 }
56
57 static void isa_ipmi_bt_raise_irq(IPMIBT *ib)
58 {
59 ISAIPMIBTDevice *iib = ib->opaque;
60
61 qemu_irq_raise(iib->irq);
62 }
63
64 static void isa_ipmi_bt_lower_irq(IPMIBT *ib)
65 {
66 ISAIPMIBTDevice *iib = ib->opaque;
67
68 qemu_irq_lower(iib->irq);
69 }
70
71 static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp)
72 {
73 Error *err = NULL;
74 ISADevice *isadev = ISA_DEVICE(dev);
75 ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev);
76 IPMIInterface *ii = IPMI_INTERFACE(dev);
77 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
78
79 if (!iib->bt.bmc) {
80 error_setg(errp, "IPMI device requires a bmc attribute to be set");
81 return;
82 }
83
84 iib->uuid = ipmi_next_uuid();
85
86 iib->bt.bmc->intf = ii;
87 iib->bt.opaque = iib;
88
89 iic->init(ii, 0, &err);
90 if (err) {
91 error_propagate(errp, err);
92 return;
93 }
94
95 if (iib->isairq > 0) {
96 isa_init_irq(isadev, &iib->irq, iib->isairq);
97 iib->bt.use_irq = 1;
98 iib->bt.raise_irq = isa_ipmi_bt_raise_irq;
99 iib->bt.lower_irq = isa_ipmi_bt_lower_irq;
100 }
101
102 qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length);
103
104 isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base);
105 }
106
107 static const VMStateDescription vmstate_ISAIPMIBTDevice = {
108 .name = TYPE_IPMI_INTERFACE_PREFIX "isa-bt",
109 .version_id = 2,
110 .minimum_version_id = 2,
111 /*
112 * Version 1 had messed up the array transfer, it's not even usable
113 * because it used VMSTATE_VBUFFER_UINT32, but it did not transfer
114 * the buffer length, so random things would happen.
115 */
116 .fields = (VMStateField[]) {
117 VMSTATE_STRUCT(bt, ISAIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT),
118 VMSTATE_END_OF_LIST()
119 }
120 };
121
122 static void isa_ipmi_bt_init(Object *obj)
123 {
124 ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj);
125
126 ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc);
127
128 vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib);
129 }
130
131 static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii)
132 {
133 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
134
135 return &iib->bt;
136 }
137
138 static Property ipmi_isa_properties[] = {
139 DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base, 0xe4),
140 DEFINE_PROP_INT32("irq", ISAIPMIBTDevice, isairq, 5),
141 DEFINE_PROP_END_OF_LIST(),
142 };
143
144 static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
145 {
146 DeviceClass *dc = DEVICE_CLASS(oc);
147 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
148
149 dc->realize = isa_ipmi_bt_realize;
150 device_class_set_props(dc, ipmi_isa_properties);
151
152 iic->get_backend_data = isa_ipmi_bt_get_backend_data;
153 ipmi_bt_class_init(iic);
154 iic->get_fwinfo = isa_ipmi_bt_get_fwinfo;
155 }
156
157 static const TypeInfo isa_ipmi_bt_info = {
158 .name = TYPE_ISA_IPMI_BT,
159 .parent = TYPE_ISA_DEVICE,
160 .instance_size = sizeof(ISAIPMIBTDevice),
161 .instance_init = isa_ipmi_bt_init,
162 .class_init = isa_ipmi_bt_class_init,
163 .interfaces = (InterfaceInfo[]) {
164 { TYPE_IPMI_INTERFACE },
165 { }
166 }
167 };
168
169 static void ipmi_register_types(void)
170 {
171 type_register_static(&isa_ipmi_bt_info);
172 }
173
174 type_init(ipmi_register_types)