b8116f4cba
Linux has <misc/pvpanic.h>, not <linux/pvpanic.h>. Use the same directory for QEMU's include/standard-headers/ copy. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
|
|
* QEMU simulated pvpanic device.
|
|
*
|
|
* Copyright Fujitsu, Corp. 2013
|
|
*
|
|
* Authors:
|
|
* Wen Congyang <wency@cn.fujitsu.com>
|
|
* Hu Tao <hutao@cn.fujitsu.com>
|
|
*
|
|
* 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 "qemu/module.h"
|
|
#include "sysemu/runstate.h"
|
|
|
|
#include "hw/nvram/fw_cfg.h"
|
|
#include "hw/qdev-properties.h"
|
|
#include "hw/misc/pvpanic.h"
|
|
#include "qom/object.h"
|
|
#include "hw/isa/isa.h"
|
|
#include "standard-headers/misc/pvpanic.h"
|
|
#include "hw/acpi/acpi_aml_interface.h"
|
|
|
|
OBJECT_DECLARE_SIMPLE_TYPE(PVPanicISAState, PVPANIC_ISA_DEVICE)
|
|
|
|
/*
|
|
* PVPanicISAState for ISA device and
|
|
* use ioport.
|
|
*/
|
|
struct PVPanicISAState {
|
|
ISADevice parent_obj;
|
|
|
|
uint16_t ioport;
|
|
PVPanicState pvpanic;
|
|
};
|
|
|
|
static void pvpanic_isa_initfn(Object *obj)
|
|
{
|
|
PVPanicISAState *s = PVPANIC_ISA_DEVICE(obj);
|
|
|
|
pvpanic_setup_io(&s->pvpanic, DEVICE(s), 1);
|
|
}
|
|
|
|
static void pvpanic_isa_realizefn(DeviceState *dev, Error **errp)
|
|
{
|
|
ISADevice *d = ISA_DEVICE(dev);
|
|
PVPanicISAState *s = PVPANIC_ISA_DEVICE(dev);
|
|
PVPanicState *ps = &s->pvpanic;
|
|
FWCfgState *fw_cfg = fw_cfg_find();
|
|
uint16_t *pvpanic_port;
|
|
|
|
if (!fw_cfg) {
|
|
return;
|
|
}
|
|
|
|
pvpanic_port = g_malloc(sizeof(*pvpanic_port));
|
|
*pvpanic_port = cpu_to_le16(s->ioport);
|
|
fw_cfg_add_file(fw_cfg, "etc/pvpanic-port", pvpanic_port,
|
|
sizeof(*pvpanic_port));
|
|
|
|
isa_register_ioport(d, &ps->mr, s->ioport);
|
|
}
|
|
|
|
static void build_pvpanic_isa_aml(AcpiDevAmlIf *adev, Aml *scope)
|
|
{
|
|
Aml *crs, *field, *method;
|
|
PVPanicISAState *s = PVPANIC_ISA_DEVICE(adev);
|
|
Aml *dev = aml_device("PEVT");
|
|
|
|
aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001")));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, s->ioport, s->ioport, 1, 1)
|
|
);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO,
|
|
aml_int(s->ioport), 1));
|
|
field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("PEPT", 8));
|
|
aml_append(dev, field);
|
|
|
|
/* device present, functioning, decoding, shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
|
|
|
|
method = aml_method("RDPT", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_name("PEPT"), aml_local(0)));
|
|
aml_append(method, aml_return(aml_local(0)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("WRPT", 1, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_arg(0), aml_name("PEPT")));
|
|
aml_append(dev, method);
|
|
|
|
aml_append(scope, dev);
|
|
}
|
|
|
|
static Property pvpanic_isa_properties[] = {
|
|
DEFINE_PROP_UINT16(PVPANIC_IOPORT_PROP, PVPanicISAState, ioport, 0x505),
|
|
DEFINE_PROP_UINT8("events", PVPanicISAState, pvpanic.events,
|
|
PVPANIC_PANICKED | PVPANIC_CRASH_LOADED),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void pvpanic_isa_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(klass);
|
|
|
|
dc->realize = pvpanic_isa_realizefn;
|
|
device_class_set_props(dc, pvpanic_isa_properties);
|
|
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
|
|
adevc->build_dev_aml = build_pvpanic_isa_aml;
|
|
}
|
|
|
|
static const TypeInfo pvpanic_isa_info = {
|
|
.name = TYPE_PVPANIC_ISA_DEVICE,
|
|
.parent = TYPE_ISA_DEVICE,
|
|
.instance_size = sizeof(PVPanicISAState),
|
|
.instance_init = pvpanic_isa_initfn,
|
|
.class_init = pvpanic_isa_class_init,
|
|
.interfaces = (InterfaceInfo[]) {
|
|
{ TYPE_ACPI_DEV_AML_IF },
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static void pvpanic_register_types(void)
|
|
{
|
|
type_register_static(&pvpanic_isa_info);
|
|
}
|
|
|
|
type_init(pvpanic_register_types)
|