1 /* Declarations for use by board files for creating devices. */ 2 3 #ifndef HW_BOARDS_H 4 #define HW_BOARDS_H 5 6 #include "qemu/typedefs.h" 7 #include "sysemu/blockdev.h" 8 #include "sysemu/accel.h" 9 #include "hw/qdev.h" 10 #include "qom/object.h" 11 12 13 typedef void QEMUMachineInitFunc(MachineState *ms); 14 15 typedef void QEMUMachineResetFunc(void); 16 17 typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp); 18 19 typedef int QEMUMachineGetKvmtypeFunc(const char *arg); 20 21 struct QEMUMachine { 22 const char *name; 23 const char *desc; 24 QEMUMachineInitFunc *init; 25 QEMUMachineGetKvmtypeFunc *kvm_type; 26 BlockInterfaceType block_default_type; 27 int max_cpus; 28 unsigned int 29 no_sdcard:1, 30 has_dynamic_sysbus:1; 31 int is_default; 32 const char *default_machine_opts; 33 const char *default_boot_order; 34 }; 35 36 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, 37 const char *name, 38 uint64_t ram_size); 39 40 int qemu_register_machine(QEMUMachine *m); 41 42 #define TYPE_MACHINE_SUFFIX "-machine" 43 44 /* Machine class name that needs to be used for class-name-based machine 45 * type lookup to work. 46 */ 47 #define MACHINE_TYPE_NAME(machinename) (machinename TYPE_MACHINE_SUFFIX) 48 49 #define TYPE_MACHINE "machine" 50 #undef MACHINE /* BSD defines it and QEMU does not use it */ 51 #define MACHINE(obj) \ 52 OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE) 53 #define MACHINE_GET_CLASS(obj) \ 54 OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE) 55 #define MACHINE_CLASS(klass) \ 56 OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE) 57 58 MachineClass *find_default_machine(void); 59 extern MachineState *current_machine; 60 61 bool machine_usb(MachineState *machine); 62 bool machine_iommu(MachineState *machine); 63 bool machine_kernel_irqchip_allowed(MachineState *machine); 64 bool machine_kernel_irqchip_required(MachineState *machine); 65 int machine_kvm_shadow_mem(MachineState *machine); 66 int machine_phandle_start(MachineState *machine); 67 bool machine_dump_guest_core(MachineState *machine); 68 bool machine_mem_merge(MachineState *machine); 69 70 /** 71 * MachineClass: 72 * @qemu_machine: #QEMUMachine 73 * @get_hotplug_handler: this function is called during bus-less 74 * device hotplug. If defined it returns pointer to an instance 75 * of HotplugHandler object, which handles hotplug operation 76 * for a given @dev. It may return NULL if @dev doesn't require 77 * any actions to be performed by hotplug handler. 78 * @cpu_index_to_socket_id: 79 * used to provide @cpu_index to socket number mapping, allowing 80 * a machine to group CPU threads belonging to the same socket/package 81 * Returns: socket number given cpu_index belongs to. 82 */ 83 struct MachineClass { 84 /*< private >*/ 85 ObjectClass parent_class; 86 /*< public >*/ 87 88 const char *family; /* NULL iff @name identifies a standalone machtype */ 89 const char *name; 90 const char *alias; 91 const char *desc; 92 93 void (*init)(MachineState *state); 94 void (*reset)(void); 95 void (*hot_add_cpu)(const int64_t id, Error **errp); 96 int (*kvm_type)(const char *arg); 97 98 BlockInterfaceType block_default_type; 99 int units_per_default_bus; 100 int max_cpus; 101 unsigned int no_serial:1, 102 no_parallel:1, 103 use_virtcon:1, 104 use_sclp:1, 105 no_floppy:1, 106 no_cdrom:1, 107 no_sdcard:1, 108 has_dynamic_sysbus:1, 109 no_tco:1, 110 pci_allow_0_address:1; 111 int is_default; 112 const char *default_machine_opts; 113 const char *default_boot_order; 114 const char *default_display; 115 GlobalProperty *compat_props; 116 const char *hw_version; 117 ram_addr_t default_ram_size; 118 119 HotplugHandler *(*get_hotplug_handler)(MachineState *machine, 120 DeviceState *dev); 121 unsigned (*cpu_index_to_socket_id)(unsigned cpu_index); 122 }; 123 124 /** 125 * MachineState: 126 */ 127 struct MachineState { 128 /*< private >*/ 129 Object parent_obj; 130 Notifier sysbus_notifier; 131 132 /*< public >*/ 133 134 char *accel; 135 bool kernel_irqchip_allowed; 136 bool kernel_irqchip_required; 137 int kvm_shadow_mem; 138 char *dtb; 139 char *dumpdtb; 140 int phandle_start; 141 char *dt_compatible; 142 bool dump_guest_core; 143 bool mem_merge; 144 bool usb; 145 bool usb_disabled; 146 bool igd_gfx_passthru; 147 char *firmware; 148 bool iommu; 149 bool suppress_vmdesc; 150 151 ram_addr_t ram_size; 152 ram_addr_t maxram_size; 153 uint64_t ram_slots; 154 const char *boot_order; 155 char *kernel_filename; 156 char *kernel_cmdline; 157 char *initrd_filename; 158 const char *cpu_model; 159 AccelState *accelerator; 160 }; 161 162 #endif 163