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acpi: ipmi: use AcpiDevAmlIf interface to build IPMI device descriptors 

convert ad-hoc way we use to generate AML for ISA/SMB IPMI devices
to a generic approach (i.e. make devices provide its own AML blobs
like it is done with other ISA devices (ex. KBD))

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20220608135340.3304695-17-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
master
Igor Mammedov 2022-06-08 09:53:21 -04:00 committed by Michael S. Tsirkin
parent 4b66ddcc4d
commit 5876d9b53f
7 changed files with 42 additions and 47 deletions
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2
hw/acpi/ipmi-stub.c
View File

@ -10,6 +10,6 @@
#include "qemu/osdep.h"
#include "hw/acpi/ipmi.h"
void build_acpi_ipmi_devices(Aml *table, BusState *bus)
void build_ipmi_dev_aml(AcpiDevAmlIf *adev, Aml *scope)
{
}

49
hw/acpi/ipmi.c
View File

@ -62,46 +62,27 @@ static Aml *aml_ipmi_crs(IPMIFwInfo *info)
return crs;
}
static Aml *aml_ipmi_device(IPMIFwInfo *info)
void build_ipmi_dev_aml(AcpiDevAmlIf *adev, Aml *scope)
{
Aml *dev;
uint16_t version = ((info->ipmi_spec_major_revision << 8)
| (info->ipmi_spec_minor_revision << 4));
IPMIFwInfo info = {};
IPMIInterface *ii = IPMI_INTERFACE(adev);
IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
uint16_t version;
assert(info->ipmi_spec_minor_revision <= 15);
iic->get_fwinfo(ii, &info);
assert(info.ipmi_spec_minor_revision <= 15);
version = ((info.ipmi_spec_major_revision << 8)
| (info.ipmi_spec_minor_revision << 4));
dev = aml_device("MI%d", info->uuid);
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)));
aml_append(dev, aml_name_decl("_IFT", aml_int(info->interface_type)));
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)));
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)
{
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));
}
aml_append(scope, dev);
}

17
hw/i386/acpi-build.c
View File

@ -39,6 +39,7 @@
#include "hw/nvram/fw_cfg.h"
#include "hw/acpi/bios-linker-loader.h"
#include "hw/isa/isa.h"
#include "hw/acpi/acpi_aml_interface.h"
#include "hw/input/i8042.h"
#include "hw/acpi/memory_hotplug.h"
#include "sysemu/tpm.h"
@ -73,7 +74,6 @@
#include "hw/i386/intel_iommu.h"
#include "hw/virtio/virtio-iommu.h"
#include "hw/acpi/ipmi.h"
#include "hw/acpi/hmat.h"
#include "hw/acpi/viot.h"
#include "hw/acpi/cxl.h"
@ -873,7 +873,6 @@ static void build_isa_devices_aml(Aml *table)
assert(obj && !ambiguous);
scope = aml_scope("_SB.PCI0.ISA");
build_acpi_ipmi_devices(scope, BUS(obj));
isa_build_aml(ISA_BUS(obj), scope);
aml_append(table, scope);
@ -1400,13 +1399,21 @@ static Aml *build_q35_osc_method(bool enable_native_pcie_hotplug)
return method;
}
static void build_smb0(Aml *table, I2CBus *smbus, int devnr, int func)
static void build_smb0(Aml *table, int devnr, int func)
{
Aml *scope = aml_scope("_SB.PCI0");
Aml *dev = aml_device("SMB0");
bool ambiguous;
Object *obj;
/*
* temporarily fish out device hosting SMBUS, build_smb0 will be gone once
* PCI enumeration will be switched to call_dev_aml_func()
*/
obj = object_resolve_path_type("", TYPE_ICH9_SMB_DEVICE, &ambiguous);
assert(obj && !ambiguous);
aml_append(dev, aml_name_decl("_ADR", aml_int(devnr << 16 | func)));
build_acpi_ipmi_devices(dev, BUS(smbus));
call_dev_aml_func(DEVICE(obj), dev);
aml_append(scope, dev);
aml_append(table, scope);
}
@ -1524,7 +1531,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
}
build_q35_pci0_int(dsdt);
if (pcms->smbus && !pcmc->do_not_add_smb_acpi) {
build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC);
build_smb0(dsdt, ICH9_SMB_DEV, ICH9_SMB_FUNC);
}
}

4
hw/ipmi/isa_ipmi_bt.c
View File

@ -31,6 +31,7 @@
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "qom/object.h"
#include "hw/acpi/ipmi.h"
#define TYPE_ISA_IPMI_BT "isa-ipmi-bt"
OBJECT_DECLARE_SIMPLE_TYPE(ISAIPMIBTDevice, ISA_IPMI_BT)
@ -144,6 +145,7 @@ static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(oc);
dc->realize = isa_ipmi_bt_realize;
device_class_set_props(dc, ipmi_isa_properties);
@ -151,6 +153,7 @@ static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
iic->get_backend_data = isa_ipmi_bt_get_backend_data;
ipmi_bt_class_init(iic);
iic->get_fwinfo = isa_ipmi_bt_get_fwinfo;
adevc->build_dev_aml = build_ipmi_dev_aml;
}
static const TypeInfo isa_ipmi_bt_info = {
@ -161,6 +164,7 @@ static const TypeInfo isa_ipmi_bt_info = {
.class_init = isa_ipmi_bt_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_IPMI_INTERFACE },
{ TYPE_ACPI_DEV_AML_IF },
{ }
}
};

4
hw/ipmi/isa_ipmi_kcs.c
View File

@ -31,6 +31,7 @@
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "qom/object.h"
#include "hw/acpi/ipmi.h"
#define TYPE_ISA_IPMI_KCS "isa-ipmi-kcs"
OBJECT_DECLARE_SIMPLE_TYPE(ISAIPMIKCSDevice, ISA_IPMI_KCS)
@ -151,6 +152,7 @@ static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(oc);
dc->realize = ipmi_isa_realize;
device_class_set_props(dc, ipmi_isa_properties);
@ -158,6 +160,7 @@ static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data)
iic->get_backend_data = isa_ipmi_kcs_get_backend_data;
ipmi_kcs_class_init(iic);
iic->get_fwinfo = isa_ipmi_kcs_get_fwinfo;
adevc->build_dev_aml = build_ipmi_dev_aml;
}
static const TypeInfo isa_ipmi_kcs_info = {
@ -168,6 +171,7 @@ static const TypeInfo isa_ipmi_kcs_info = {
.class_init = isa_ipmi_kcs_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_IPMI_INTERFACE },
{ TYPE_ACPI_DEV_AML_IF },
{ }
}
};

4
hw/ipmi/smbus_ipmi.c
View File

@ -28,6 +28,7 @@
#include "qemu/error-report.h"
#include "hw/ipmi/ipmi.h"
#include "qom/object.h"
#include "hw/acpi/ipmi.h"
#define TYPE_SMBUS_IPMI "smbus-ipmi"
OBJECT_DECLARE_SIMPLE_TYPE(SMBusIPMIDevice, SMBUS_IPMI)
@ -353,6 +354,7 @@ static void smbus_ipmi_class_init(ObjectClass *oc, void *data)
DeviceClass *dc = DEVICE_CLASS(oc);
IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
SMBusDeviceClass *sc = SMBUS_DEVICE_CLASS(oc);
AcpiDevAmlIfClass *adevc = ACPI_DEV_AML_IF_CLASS(oc);
sc->receive_byte = ipmi_receive_byte;
sc->write_data = ipmi_write_data;
@ -363,6 +365,7 @@ static void smbus_ipmi_class_init(ObjectClass *oc, void *data)
iic->handle_if_event = smbus_ipmi_handle_event;
iic->set_irq_enable = smbus_ipmi_set_irq_enable;
iic->get_fwinfo = smbus_ipmi_get_fwinfo;
adevc->build_dev_aml = build_ipmi_dev_aml;
}
static const TypeInfo smbus_ipmi_info = {
@ -373,6 +376,7 @@ static const TypeInfo smbus_ipmi_info = {
.class_init = smbus_ipmi_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_IPMI_INTERFACE },
{ TYPE_ACPI_DEV_AML_IF },
{ }
}
};

9
include/hw/acpi/ipmi.h
View File

@ -9,13 +9,8 @@
#ifndef HW_ACPI_IPMI_H
#define HW_ACPI_IPMI_H
#include "hw/acpi/aml-build.h"
#include "hw/acpi/acpi_aml_interface.h"
/*
* Add ACPI IPMI entries for all registered IPMI devices whose parent
* bus matches the given bus. The resource is the ACPI resource that
* contains the IPMI device, this is required for the I2C CRS.
*/
void build_acpi_ipmi_devices(Aml *table, BusState *bus);
void build_ipmi_dev_aml(AcpiDevAmlIf *adev, Aml *scope);
#endif /* HW_ACPI_IPMI_H */