Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
[qemu.git] / include / hw / acpi / ich9.h
1 /*
2 * QEMU GMCH/ICH9 LPC PM Emulation
3 *
4 * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
5 * VA Linux Systems Japan K.K.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>
19 */
20
21 #ifndef HW_ACPI_ICH9_H
22 #define HW_ACPI_ICH9_H
23
24 #include "hw/acpi/acpi.h"
25 #include "hw/acpi/cpu_hotplug.h"
26 #include "hw/acpi/cpu.h"
27 #include "hw/acpi/pcihp.h"
28 #include "hw/acpi/memory_hotplug.h"
29 #include "hw/acpi/acpi_dev_interface.h"
30 #include "hw/acpi/tco.h"
31
32 #define ACPI_PCIHP_ADDR_ICH9 0x0cc0
33
34 typedef struct ICH9LPCPMRegs {
35 /*
36 * In ich9 spec says that pm1_cnt register is 32bit width and
37 * that the upper 16bits are reserved and unused.
38 * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t.
39 */
40 ACPIREGS acpi_regs;
41
42 MemoryRegion io;
43 MemoryRegion io_gpe;
44 MemoryRegion io_smi;
45
46 uint32_t smi_en;
47 uint32_t smi_en_wmask;
48 uint32_t smi_sts;
49
50 qemu_irq irq; /* SCI */
51
52 uint32_t pm_io_base;
53 Notifier powerdown_notifier;
54
55 bool cpu_hotplug_legacy;
56 AcpiCpuHotplug gpe_cpu;
57 CPUHotplugState cpuhp_state;
58
59 bool keep_pci_slot_hpc;
60 bool use_acpi_hotplug_bridge;
61 AcpiPciHpState acpi_pci_hotplug;
62 MemHotplugState acpi_memory_hotplug;
63
64 uint8_t disable_s3;
65 uint8_t disable_s4;
66 uint8_t s4_val;
67 uint8_t smm_enabled;
68 bool smm_compat;
69 bool enable_tco;
70 TCOIORegs tco_regs;
71 } ICH9LPCPMRegs;
72
73 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
74
75 void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
76 bool smm_enabled,
77 qemu_irq sci_irq);
78
79 void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
80 extern const VMStateDescription vmstate_ich9_pm;
81
82 void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm);
83
84 void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
85 Error **errp);
86 void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
87 Error **errp);
88 void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev,
89 DeviceState *dev, Error **errp);
90 void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
91 Error **errp);
92
93 void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
94 #endif /* HW_ACPI_ICH9_H */