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
  42 typedef struct {
  43     X86MachineClass parent;
  44     HotplugHandler *(*orig_hotplug_handler)(MachineState *machine,
  45                                            DeviceState *dev);
  46 } MicrovmMachineClass;
  47
  48 typedef 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