4d01b8994c
Create second ioapic, route virtio-mmio IRQs to it, allow more virtio-mmio devices (24 instead of 8). Needs ACPI, enabled by default, can be turned off using -machine ioapic2=off Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Sergio Lopez <slp@redhat.com> Message-id: 20201203105423.10431-8-kraxel@redhat.com
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2018 Intel Corporation
|
|
* Copyright (c) 2019 Red Hat, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2 or later, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef HW_I386_MICROVM_H
|
|
#define HW_I386_MICROVM_H
|
|
|
|
#include "qemu-common.h"
|
|
#include "exec/hwaddr.h"
|
|
#include "qemu/notify.h"
|
|
|
|
#include "hw/boards.h"
|
|
#include "hw/i386/x86.h"
|
|
#include "hw/acpi/acpi_dev_interface.h"
|
|
#include "hw/pci-host/gpex.h"
|
|
#include "qom/object.h"
|
|
|
|
/*
|
|
* IRQ | pc | microvm (acpi=on)
|
|
* --------+------------+------------------
|
|
* 0 | pit |
|
|
* 1 | kbd |
|
|
* 2 | cascade |
|
|
* 3 | serial 1 |
|
|
* 4 | serial 0 | serial
|
|
* 5 | - |
|
|
* 6 | floppy |
|
|
* 7 | parallel |
|
|
* 8 | rtc | rtc (rtc=on)
|
|
* 9 | acpi | acpi (ged)
|
|
* 10 | pci lnk | xhci (usb=on)
|
|
* 11 | pci lnk |
|
|
* 12 | ps2 | pcie
|
|
* 13 | fpu | pcie
|
|
* 14 | ide 0 | pcie
|
|
* 15 | ide 1 | pcie
|
|
* 16-23 | pci gsi | virtio
|
|
*/
|
|
|
|
/* Platform virtio definitions */
|
|
#define VIRTIO_MMIO_BASE 0xfeb00000
|
|
#define VIRTIO_CMDLINE_MAXLEN 64
|
|
|
|
#define GED_MMIO_BASE 0xfea00000
|
|
#define GED_MMIO_BASE_MEMHP (GED_MMIO_BASE + 0x100)
|
|
#define GED_MMIO_BASE_REGS (GED_MMIO_BASE + 0x200)
|
|
#define GED_MMIO_IRQ 9
|
|
|
|
#define MICROVM_XHCI_BASE 0xfe900000
|
|
#define MICROVM_XHCI_IRQ 10
|
|
|
|
#define PCIE_MMIO_BASE 0xc0000000
|
|
#define PCIE_MMIO_SIZE 0x20000000
|
|
#define PCIE_ECAM_BASE 0xe0000000
|
|
#define PCIE_ECAM_SIZE 0x10000000
|
|
|
|
/* Machine type options */
|
|
#define MICROVM_MACHINE_PIT "pit"
|
|
#define MICROVM_MACHINE_PIC "pic"
|
|
#define MICROVM_MACHINE_RTC "rtc"
|
|
#define MICROVM_MACHINE_PCIE "pcie"
|
|
#define MICROVM_MACHINE_IOAPIC2 "ioapic2"
|
|
#define MICROVM_MACHINE_ISA_SERIAL "isa-serial"
|
|
#define MICROVM_MACHINE_OPTION_ROMS "x-option-roms"
|
|
#define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline"
|
|
|
|
struct MicrovmMachineClass {
|
|
X86MachineClass parent;
|
|
HotplugHandler *(*orig_hotplug_handler)(MachineState *machine,
|
|
DeviceState *dev);
|
|
};
|
|
|
|
struct MicrovmMachineState {
|
|
X86MachineState parent;
|
|
|
|
/* Machine type options */
|
|
OnOffAuto pic;
|
|
OnOffAuto pit;
|
|
OnOffAuto rtc;
|
|
OnOffAuto pcie;
|
|
OnOffAuto ioapic2;
|
|
bool isa_serial;
|
|
bool option_roms;
|
|
bool auto_kernel_cmdline;
|
|
|
|
/* Machine state */
|
|
uint32_t pcie_irq_base;
|
|
uint32_t virtio_irq_base;
|
|
uint32_t virtio_num_transports;
|
|
bool kernel_cmdline_fixed;
|
|
Notifier machine_done;
|
|
Notifier powerdown_req;
|
|
struct GPEXConfig gpex;
|
|
};
|
|
|
|
#define TYPE_MICROVM_MACHINE MACHINE_TYPE_NAME("microvm")
|
|
OBJECT_DECLARE_TYPE(MicrovmMachineState, MicrovmMachineClass, MICROVM_MACHINE)
|
|
|
|
#endif
|