LXR qemu/include/hw/i386/microvm.h

   1/*
   2 * Copyright (c) 2018 Intel Corporation
   3 * Copyright (c) 2019 Red Hat, Inc.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms and conditions of the GNU General Public License,
   7 * version 2 or later, as published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#ifndef HW_I386_MICROVM_H
  19#define HW_I386_MICROVM_H
  20
  21#include "qemu-common.h"
  22#include "exec/hwaddr.h"
  23#include "qemu/notify.h"
  24
  25#include "hw/boards.h"
  26#include "hw/i386/x86.h"
  27
  28/* Platform virtio definitions */
  29#define VIRTIO_MMIO_BASE      0xc0000000
  30#define VIRTIO_IRQ_BASE       5
  31#define VIRTIO_NUM_TRANSPORTS 8
  32#define VIRTIO_CMDLINE_MAXLEN 64
  33
  34/* Machine type options */
  35#define MICROVM_MACHINE_PIT                 "pit"
  36#define MICROVM_MACHINE_PIC                 "pic"
  37#define MICROVM_MACHINE_RTC                 "rtc"
  38#define MICROVM_MACHINE_ISA_SERIAL          "isa-serial"
  39#define MICROVM_MACHINE_OPTION_ROMS         "x-option-roms"
  40#define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline"
  41
  42typedef struct {
  43    X86MachineClass parent;
  44    HotplugHandler *(*orig_hotplug_handler)(MachineState *machine,
  45                                           DeviceState *dev);
  46} MicrovmMachineClass;
  47
  48typedef struct {
  49    X86MachineState parent;
  50
  51    /* Machine type options */
  52    OnOffAuto pic;
  53    OnOffAuto pit;
  54    OnOffAuto rtc;
  55    bool isa_serial;
  56    bool option_roms;
  57    bool auto_kernel_cmdline;
  58
  59    /* Machine state */
  60    bool kernel_cmdline_fixed;
  61} MicrovmMachineState;
  62
  63#define TYPE_MICROVM_MACHINE   MACHINE_TYPE_NAME("microvm")
  64#define MICROVM_MACHINE(obj) \
  65    OBJECT_CHECK(MicrovmMachineState, (obj), TYPE_MICROVM_MACHINE)
  66#define MICROVM_MACHINE_GET_CLASS(obj) \
  67    OBJECT_GET_CLASS(MicrovmMachineClass, obj, TYPE_MICROVM_MACHINE)
  68#define MICROVM_MACHINE_CLASS(class) \
  69    OBJECT_CLASS_CHECK(MicrovmMachineClass, class, TYPE_MICROVM_MACHINE)
  70
  71#endif
  72