meson: convert qapi-specific to meson
[qemu.git] / hw / smbios / smbios_type_38.c
1 /*
2 * IPMI SMBIOS firmware handling
3 *
4 * Copyright (c) 2015,2016 Corey Minyard, MontaVista Software, LLC
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
8 */
9
10 #include "qemu/osdep.h"
11 #include "hw/ipmi/ipmi.h"
12 #include "hw/firmware/smbios.h"
13 #include "qemu/error-report.h"
14 #include "smbios_build.h"
15
16 /* SMBIOS type 38 - IPMI */
17 struct smbios_type_38 {
18 struct smbios_structure_header header;
19 uint8_t interface_type;
20 uint8_t ipmi_spec_revision;
21 uint8_t i2c_slave_address;
22 uint8_t nv_storage_device_address;
23 uint64_t base_address;
24 uint8_t base_address_modifier;
25 uint8_t interrupt_number;
26 } QEMU_PACKED;
27
28 static void smbios_build_one_type_38(IPMIFwInfo *info)
29 {
30 uint64_t baseaddr = info->base_address;
31 SMBIOS_BUILD_TABLE_PRE(38, 0x3000, true);
32
33 t->interface_type = info->interface_type;
34 t->ipmi_spec_revision = ((info->ipmi_spec_major_revision << 4)
35 | info->ipmi_spec_minor_revision);
36 t->i2c_slave_address = info->i2c_slave_address;
37 t->nv_storage_device_address = 0;
38
39 assert(info->ipmi_spec_minor_revision <= 15);
40 assert(info->ipmi_spec_major_revision <= 15);
41
42 /* or 1 to set it to I/O space */
43 switch (info->memspace) {
44 case IPMI_MEMSPACE_IO:
45 baseaddr |= 1;
46 break;
47 case IPMI_MEMSPACE_MEM32:
48 case IPMI_MEMSPACE_MEM64:
49 break;
50 case IPMI_MEMSPACE_SMBUS:
51 baseaddr <<= 1;
52 break;
53 }
54
55 t->base_address = cpu_to_le64(baseaddr);
56
57 t->base_address_modifier = 0;
58 if (info->irq_type == IPMI_LEVEL_IRQ) {
59 t->base_address_modifier |= 1;
60 }
61 switch (info->register_spacing) {
62 case 1:
63 break;
64 case 4:
65 t->base_address_modifier |= 1 << 6;
66 break;
67 case 16:
68 t->base_address_modifier |= 2 << 6;
69 break;
70 default:
71 error_report("IPMI register spacing %d is not compatible with"
72 " SMBIOS, ignoring this entry.", info->register_spacing);
73 return;
74 }
75 t->interrupt_number = info->interrupt_number;
76
77 SMBIOS_BUILD_TABLE_POST;
78 }
79
80 static void smbios_add_ipmi_devices(BusState *bus)
81 {
82 BusChild *kid;
83
84 QTAILQ_FOREACH(kid, &bus->children, sibling) {
85 DeviceState *dev = kid->child;
86 Object *obj = object_dynamic_cast(OBJECT(dev), TYPE_IPMI_INTERFACE);
87 BusState *childbus;
88
89 if (obj) {
90 IPMIInterface *ii;
91 IPMIInterfaceClass *iic;
92 IPMIFwInfo info;
93
94 ii = IPMI_INTERFACE(obj);
95 iic = IPMI_INTERFACE_GET_CLASS(obj);
96 memset(&info, 0, sizeof(info));
97 if (!iic->get_fwinfo) {
98 continue;
99 }
100 iic->get_fwinfo(ii, &info);
101 smbios_build_one_type_38(&info);
102 continue;
103 }
104
105 QLIST_FOREACH(childbus, &dev->child_bus, sibling) {
106 smbios_add_ipmi_devices(childbus);
107 }
108 }
109 }
110
111 void smbios_build_type_38_table(void)
112 {
113 BusState *bus;
114
115 bus = sysbus_get_default();
116 if (bus) {
117 smbios_add_ipmi_devices(bus);
118 }
119 }