From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/include/hw/acpi/pcihp.h | 80 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 qemu/include/hw/acpi/pcihp.h (limited to 'qemu/include/hw/acpi/pcihp.h') diff --git a/qemu/include/hw/acpi/pcihp.h b/qemu/include/hw/acpi/pcihp.h new file mode 100644 index 000000000..f3526d4aa --- /dev/null +++ b/qemu/include/hw/acpi/pcihp.h @@ -0,0 +1,80 @@ +/* + * QEMU<->ACPI BIOS PCI hotplug interface + * + * QEMU supports PCI hotplug via ACPI. This module + * implements the interface between QEMU and the ACPI BIOS. + * Interface specification - see docs/specs/acpi_pci_hotplug.txt + * + * Copyright (c) 2013, Red Hat Inc, Michael S. Tsirkin (mst@redhat.com) + * Copyright (c) 2006 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#ifndef HW_ACPI_PCIHP_H +#define HW_ACPI_PCIHP_H + +#include +#include +#include "hw/acpi/acpi.h" +#include "migration/vmstate.h" + +#define ACPI_PCIHP_IO_BASE_PROP "acpi-pcihp-io-base" +#define ACPI_PCIHP_IO_LEN_PROP "acpi-pcihp-io-len" + +typedef struct AcpiPciHpPciStatus { + uint32_t up; + uint32_t down; + uint32_t hotplug_enable; +} AcpiPciHpPciStatus; + +#define ACPI_PCIHP_PROP_BSEL "acpi-pcihp-bsel" +#define ACPI_PCIHP_MAX_HOTPLUG_BUS 256 +#define ACPI_PCIHP_BSEL_DEFAULT 0x0 + +typedef struct AcpiPciHpState { + AcpiPciHpPciStatus acpi_pcihp_pci_status[ACPI_PCIHP_MAX_HOTPLUG_BUS]; + uint32_t hotplug_select; + PCIBus *root; + MemoryRegion io; + bool legacy_piix; + uint16_t io_base; + uint16_t io_len; +} AcpiPciHpState; + +void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root, + MemoryRegion *address_space_io, bool bridges_enabled); + +void acpi_pcihp_device_plug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, + DeviceState *dev, Error **errp); +void acpi_pcihp_device_unplug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, + DeviceState *dev, Error **errp); + +/* Called on reset */ +void acpi_pcihp_reset(AcpiPciHpState *s); + +extern const VMStateDescription vmstate_acpi_pcihp_pci_status; + +#define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp) \ + VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \ + test_pcihp), \ + VMSTATE_STRUCT_ARRAY_TEST(pcihp.acpi_pcihp_pci_status, state, \ + ACPI_PCIHP_MAX_HOTPLUG_BUS, \ + test_pcihp, 1, \ + vmstate_acpi_pcihp_pci_status, \ + AcpiPciHpPciStatus) + +#endif -- cgit 1.2.3-korg