6536e427ce
... instead of duplicating them in piix4 and lpc and then trying to pass them to pcihp routines as arguments. it simplifies call sites and places pcihp specific in its own structure. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20230302161543.286002-34-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
/*
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* QEMU<->ACPI BIOS PCI hotplug interface
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*
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* QEMU supports PCI hotplug via ACPI. This module
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* implements the interface between QEMU and the ACPI BIOS.
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* Interface specification - see docs/specs/acpi_pci_hotplug.txt
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*
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* Copyright (c) 2013, Red Hat Inc, Michael S. Tsirkin (mst@redhat.com)
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* Copyright (c) 2006 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#ifndef HW_ACPI_PCIHP_H
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#define HW_ACPI_PCIHP_H
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#include "hw/acpi/acpi.h"
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#include "hw/hotplug.h"
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#define ACPI_PCIHP_IO_BASE_PROP "acpi-pcihp-io-base"
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#define ACPI_PCIHP_IO_LEN_PROP "acpi-pcihp-io-len"
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typedef struct AcpiPciHpPciStatus {
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uint32_t up;
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uint32_t down;
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uint32_t hotplug_enable;
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} AcpiPciHpPciStatus;
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#define ACPI_PCIHP_PROP_BSEL "acpi-pcihp-bsel"
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#define ACPI_PCIHP_MAX_HOTPLUG_BUS 256
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#define ACPI_PCIHP_BSEL_DEFAULT 0x0
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typedef struct AcpiPciHpState {
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AcpiPciHpPciStatus acpi_pcihp_pci_status[ACPI_PCIHP_MAX_HOTPLUG_BUS];
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uint32_t hotplug_select;
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uint32_t acpi_index;
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PCIBus *root;
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MemoryRegion io;
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uint16_t io_base;
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uint16_t io_len;
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bool use_acpi_hotplug_bridge;
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bool use_acpi_root_pci_hotplug;
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} AcpiPciHpState;
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void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root,
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MemoryRegion *address_space_io, uint16_t io_base);
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void acpi_pcihp_device_pre_plug_cb(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp);
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void acpi_pcihp_device_plug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
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DeviceState *dev, Error **errp);
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void acpi_pcihp_device_unplug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
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DeviceState *dev, Error **errp);
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void acpi_pcihp_device_unplug_request_cb(HotplugHandler *hotplug_dev,
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AcpiPciHpState *s, DeviceState *dev,
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Error **errp);
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/* Called on reset */
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void acpi_pcihp_reset(AcpiPciHpState *s);
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void build_append_pcihp_slots(Aml *parent_scope, PCIBus *bus);
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extern const VMStateDescription vmstate_acpi_pcihp_pci_status;
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#define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp, test_acpi_index) \
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VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \
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test_pcihp), \
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VMSTATE_STRUCT_ARRAY_TEST(pcihp.acpi_pcihp_pci_status, state, \
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ACPI_PCIHP_MAX_HOTPLUG_BUS, \
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test_pcihp, 1, \
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vmstate_acpi_pcihp_pci_status, \
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AcpiPciHpPciStatus), \
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VMSTATE_UINT32_TEST(pcihp.acpi_index, state, \
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test_acpi_index)
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#endif
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