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125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* uefi vars device - sysbus variant.
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*/
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#include "qemu/osdep.h"
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#include "migration/vmstate.h"
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#include "hw/qdev-properties.h"
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#include "hw/sysbus.h"
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#include "hw/uefi/hardware-info.h"
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#include "hw/uefi/var-service.h"
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#include "hw/uefi/var-service-api.h"
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OBJECT_DECLARE_SIMPLE_TYPE(uefi_vars_sysbus_state, UEFI_VARS_SYSBUS)
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struct uefi_vars_sysbus_state {
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SysBusDevice parent_obj;
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struct uefi_vars_state state;
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};
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static const VMStateDescription vmstate_uefi_vars_sysbus = {
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.name = TYPE_UEFI_VARS_SYSBUS,
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.fields = (VMStateField[]) {
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VMSTATE_STRUCT(state, uefi_vars_sysbus_state, 0,
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vmstate_uefi_vars, uefi_vars_state),
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VMSTATE_END_OF_LIST()
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}
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};
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static const Property uefi_vars_sysbus_properties[] = {
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DEFINE_PROP_SIZE("size", uefi_vars_sysbus_state, state.max_storage,
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256 * 1024),
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DEFINE_PROP_STRING("jsonfile", uefi_vars_sysbus_state, state.jsonfile),
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DEFINE_PROP_BOOL("force-secure-boot", uefi_vars_sysbus_state,
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state.force_secure_boot, false),
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DEFINE_PROP_BOOL("disable-custom-mode", uefi_vars_sysbus_state,
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state.disable_custom_mode, false),
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DEFINE_PROP_BOOL("use-pio", uefi_vars_sysbus_state,
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state.use_pio, false),
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};
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static void uefi_vars_sysbus_init(Object *obj)
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{
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uefi_vars_sysbus_state *uv = UEFI_VARS_SYSBUS(obj);
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uefi_vars_init(obj, &uv->state);
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}
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static void uefi_vars_sysbus_reset(DeviceState *dev)
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{
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uefi_vars_sysbus_state *uv = UEFI_VARS_SYSBUS(dev);
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uefi_vars_hard_reset(&uv->state);
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}
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static void uefi_vars_sysbus_realize(DeviceState *dev, Error **errp)
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{
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uefi_vars_sysbus_state *uv = UEFI_VARS_SYSBUS(dev);
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SysBusDevice *sysbus = SYS_BUS_DEVICE(dev);
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sysbus_init_mmio(sysbus, &uv->state.mr);
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uefi_vars_realize(&uv->state, errp);
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}
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static void uefi_vars_sysbus_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->realize = uefi_vars_sysbus_realize;
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dc->vmsd = &vmstate_uefi_vars_sysbus;
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dc->user_creatable = true;
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device_class_set_legacy_reset(dc, uefi_vars_sysbus_reset);
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device_class_set_props(dc, uefi_vars_sysbus_properties);
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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}
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/* generic: hardware discovery via FDT */
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static const TypeInfo uefi_vars_sysbus_info = {
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.name = TYPE_UEFI_VARS_SYSBUS,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(uefi_vars_sysbus_state),
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.instance_init = uefi_vars_sysbus_init,
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.class_init = uefi_vars_sysbus_class_init,
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};
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module_obj(TYPE_UEFI_VARS_SYSBUS);
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static void uefi_vars_x64_realize(DeviceState *dev, Error **errp)
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{
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HARDWARE_INFO_SIMPLE_DEVICE hwinfo = {
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.mmio_address = cpu_to_le64(0xfef10000),
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};
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SysBusDevice *sysbus = SYS_BUS_DEVICE(dev);
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uefi_vars_sysbus_realize(dev, errp);
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hardware_info_register(HardwareInfoQemuUefiVars,
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&hwinfo, sizeof(hwinfo));
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sysbus_mmio_map(sysbus, 0, hwinfo.mmio_address);
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}
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static void uefi_vars_x64_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->realize = uefi_vars_x64_realize;
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}
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/* x64: hardware discovery via etc/hardware-info fw_cfg */
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static const TypeInfo uefi_vars_x64_info = {
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.name = TYPE_UEFI_VARS_X64,
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.parent = TYPE_UEFI_VARS_SYSBUS,
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.class_init = uefi_vars_x64_class_init,
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};
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module_obj(TYPE_UEFI_VARS_X64);
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static void uefi_vars_sysbus_register_types(void)
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{
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type_register_static(&uefi_vars_sysbus_info);
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type_register_static(&uefi_vars_x64_info);
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}
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type_init(uefi_vars_sysbus_register_types)
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