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 0xfeb00000 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 72