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