qemu-e2k/include/hw/i386/microvm.h
Gerd Hoffmann f5918a9928 microvm: add device tree support.
Allows edk2 detect virtio-mmio devices and pcie ecam.
See comment in hw/i386/microvm-dt.c for more details.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-Id: <20211014193617.2475578-1-kraxel@redhat.com>
2021-11-02 17:24:17 +01:00

117 lines
3.4 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;
/* device tree */
void *fdt;
uint32_t ioapic_phandle[2];
};
#define TYPE_MICROVM_MACHINE MACHINE_TYPE_NAME("microvm")
OBJECT_DECLARE_TYPE(MicrovmMachineState, MicrovmMachineClass, MICROVM_MACHINE)
#endif