108 lines
3.6 KiB
C
108 lines
3.6 KiB
C
/*
|
|
* IPMI ACPI firmware handling
|
|
*
|
|
* Copyright (c) 2015,2016 Corey Minyard, MontaVista Software, LLC
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "hw/ipmi/ipmi.h"
|
|
#include "hw/acpi/aml-build.h"
|
|
#include "hw/acpi/acpi.h"
|
|
#include "hw/acpi/ipmi.h"
|
|
|
|
static Aml *aml_ipmi_crs(IPMIFwInfo *info, const char *resource)
|
|
{
|
|
Aml *crs = aml_resource_template();
|
|
|
|
/*
|
|
* The base address is fixed and cannot change. That may be different
|
|
* if someone does PCI, but we aren't there yet.
|
|
*/
|
|
switch (info->memspace) {
|
|
case IPMI_MEMSPACE_IO:
|
|
aml_append(crs, aml_io(AML_DECODE16, info->base_address,
|
|
info->base_address + info->register_length - 1,
|
|
info->register_spacing, info->register_length));
|
|
break;
|
|
case IPMI_MEMSPACE_MEM32:
|
|
aml_append(crs,
|
|
aml_dword_memory(AML_POS_DECODE,
|
|
AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_NON_CACHEABLE, AML_READ_WRITE,
|
|
0xffffffff,
|
|
info->base_address,
|
|
info->base_address + info->register_length - 1,
|
|
info->register_spacing, info->register_length));
|
|
break;
|
|
case IPMI_MEMSPACE_MEM64:
|
|
aml_append(crs,
|
|
aml_qword_memory(AML_POS_DECODE,
|
|
AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_NON_CACHEABLE, AML_READ_WRITE,
|
|
0xffffffffffffffffULL,
|
|
info->base_address,
|
|
info->base_address + info->register_length - 1,
|
|
info->register_spacing, info->register_length));
|
|
break;
|
|
case IPMI_MEMSPACE_SMBUS:
|
|
aml_append(crs, aml_i2c_serial_bus_device(info->base_address,
|
|
resource));
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
if (info->interrupt_number) {
|
|
aml_append(crs, aml_irq_no_flags(info->interrupt_number));
|
|
}
|
|
|
|
return crs;
|
|
}
|
|
|
|
static Aml *aml_ipmi_device(IPMIFwInfo *info, const char *resource)
|
|
{
|
|
Aml *dev;
|
|
uint16_t version = ((info->ipmi_spec_major_revision << 8)
|
|
| (info->ipmi_spec_minor_revision << 4));
|
|
|
|
assert(info->ipmi_spec_minor_revision <= 15);
|
|
|
|
dev = aml_device("MI%d", info->uuid);
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("IPI0001")));
|
|
aml_append(dev, aml_name_decl("_STR", aml_string("ipmi_%s",
|
|
info->interface_name)));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(info->uuid)));
|
|
aml_append(dev, aml_name_decl("_CRS", aml_ipmi_crs(info, resource)));
|
|
aml_append(dev, aml_name_decl("_IFT", aml_int(info->interface_type)));
|
|
aml_append(dev, aml_name_decl("_SRV", aml_int(version)));
|
|
|
|
return dev;
|
|
}
|
|
|
|
void build_acpi_ipmi_devices(Aml *scope, BusState *bus, const char *resource)
|
|
{
|
|
|
|
BusChild *kid;
|
|
|
|
QTAILQ_FOREACH(kid, &bus->children, sibling) {
|
|
IPMIInterface *ii;
|
|
IPMIInterfaceClass *iic;
|
|
IPMIFwInfo info;
|
|
Object *obj = object_dynamic_cast(OBJECT(kid->child),
|
|
TYPE_IPMI_INTERFACE);
|
|
|
|
if (!obj) {
|
|
continue;
|
|
}
|
|
|
|
ii = IPMI_INTERFACE(obj);
|
|
iic = IPMI_INTERFACE_GET_CLASS(obj);
|
|
memset(&info, 0, sizeof(info));
|
|
iic->get_fwinfo(ii, &info);
|
|
aml_append(scope, aml_ipmi_device(&info, resource));
|
|
}
|
|
}
|