meson: convert qapi-specific to meson
[qemu.git] / hw / acpi / ipmi.c
1 /*
2 * IPMI ACPI 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/acpi/aml-build.h"
13 #include "hw/acpi/acpi.h"
14 #include "hw/acpi/ipmi.h"
15
16 static Aml *aml_ipmi_crs(IPMIFwInfo *info, const char *resource)
17 {
18 Aml *crs = aml_resource_template();
19
20 /*
21 * The base address is fixed and cannot change. That may be different
22 * if someone does PCI, but we aren't there yet.
23 */
24 switch (info->memspace) {
25 case IPMI_MEMSPACE_IO:
26 aml_append(crs, aml_io(AML_DECODE16, info->base_address,
27 info->base_address + info->register_length - 1,
28 info->register_spacing, info->register_length));
29 break;
30 case IPMI_MEMSPACE_MEM32:
31 aml_append(crs,
32 aml_dword_memory(AML_POS_DECODE,
33 AML_MIN_FIXED, AML_MAX_FIXED,
34 AML_NON_CACHEABLE, AML_READ_WRITE,
35 0xffffffff,
36 info->base_address,
37 info->base_address + info->register_length - 1,
38 info->register_spacing, info->register_length));
39 break;
40 case IPMI_MEMSPACE_MEM64:
41 aml_append(crs,
42 aml_qword_memory(AML_POS_DECODE,
43 AML_MIN_FIXED, AML_MAX_FIXED,
44 AML_NON_CACHEABLE, AML_READ_WRITE,
45 0xffffffffffffffffULL,
46 info->base_address,
47 info->base_address + info->register_length - 1,
48 info->register_spacing, info->register_length));
49 break;
50 case IPMI_MEMSPACE_SMBUS:
51 aml_append(crs, aml_i2c_serial_bus_device(info->base_address,
52 resource));
53 break;
54 default:
55 abort();
56 }
57
58 if (info->interrupt_number) {
59 aml_append(crs, aml_irq_no_flags(info->interrupt_number));
60 }
61
62 return crs;
63 }
64
65 static Aml *aml_ipmi_device(IPMIFwInfo *info, const char *resource)
66 {
67 Aml *dev;
68 uint16_t version = ((info->ipmi_spec_major_revision << 8)
69 | (info->ipmi_spec_minor_revision << 4));
70
71 assert(info->ipmi_spec_minor_revision <= 15);
72
73 dev = aml_device("MI%d", info->uuid);
74 aml_append(dev, aml_name_decl("_HID", aml_eisaid("IPI0001")));
75 aml_append(dev, aml_name_decl("_STR", aml_string("ipmi_%s",
76 info->interface_name)));
77 aml_append(dev, aml_name_decl("_UID", aml_int(info->uuid)));
78 aml_append(dev, aml_name_decl("_CRS", aml_ipmi_crs(info, resource)));
79 aml_append(dev, aml_name_decl("_IFT", aml_int(info->interface_type)));
80 aml_append(dev, aml_name_decl("_SRV", aml_int(version)));
81
82 return dev;
83 }
84
85 void build_acpi_ipmi_devices(Aml *scope, BusState *bus, const char *resource)
86 {
87
88 BusChild *kid;
89
90 QTAILQ_FOREACH(kid, &bus->children, sibling) {
91 IPMIInterface *ii;
92 IPMIInterfaceClass *iic;
93 IPMIFwInfo info;
94 Object *obj = object_dynamic_cast(OBJECT(kid->child),
95 TYPE_IPMI_INTERFACE);
96
97 if (!obj) {
98 continue;
99 }
100
101 ii = IPMI_INTERFACE(obj);
102 iic = IPMI_INTERFACE_GET_CLASS(obj);
103 memset(&info, 0, sizeof(info));
104 iic->get_fwinfo(ii, &info);
105 aml_append(scope, aml_ipmi_device(&info, resource));
106 }
107 }