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_iommu(MachineState *machine); 37 bool machine_kernel_irqchip_allowed(MachineState *machine); 38 bool machine_kernel_irqchip_required(MachineState *machine); 39 int machine_kvm_shadow_mem(MachineState *machine); 40 int machine_phandle_start(MachineState *machine); 41 bool machine_dump_guest_core(MachineState *machine); 42 bool machine_mem_merge(MachineState *machine); 43 44 /** 45 * MachineClass: 46 * @get_hotplug_handler: this function is called during bus-less 47 * device hotplug. If defined it returns pointer to an instance 48 * of HotplugHandler object, which handles hotplug operation 49 * for a given @dev. It may return NULL if @dev doesn't require 50 * any actions to be performed by hotplug handler. 51 * @cpu_index_to_socket_id: 52 * used to provide @cpu_index to socket number mapping, allowing 53 * a machine to group CPU threads belonging to the same socket/package 54 * Returns: socket number given cpu_index belongs to. 55 */ 56 struct MachineClass { 57 /*< private >*/ 58 ObjectClass parent_class; 59 /*< public >*/ 60 61 const char *family; /* NULL iff @name identifies a standalone machtype */ 62 const char *name; 63 const char *alias; 64 const char *desc; 65 66 void (*init)(MachineState *state); 67 void (*reset)(void); 68 void (*hot_add_cpu)(const int64_t id, Error **errp); 69 int (*kvm_type)(const char *arg); 70 71 BlockInterfaceType block_default_type; 72 int units_per_default_bus; 73 int max_cpus; 74 unsigned int no_serial:1, 75 no_parallel:1, 76 use_virtcon:1, 77 use_sclp:1, 78 no_floppy:1, 79 no_cdrom:1, 80 no_sdcard:1, 81 has_dynamic_sysbus:1, 82 no_tco:1, 83 pci_allow_0_address:1; 84 int is_default; 85 const char *default_machine_opts; 86 const char *default_boot_order; 87 const char *default_display; 88 GlobalProperty *compat_props; 89 const char *hw_version; 90 ram_addr_t default_ram_size; 91 92 HotplugHandler *(*get_hotplug_handler)(MachineState *machine, 93 DeviceState *dev); 94 unsigned (*cpu_index_to_socket_id)(unsigned cpu_index); 95 }; 96 97 /** 98 * MachineState: 99 */ 100 struct MachineState { 101 /*< private >*/ 102 Object parent_obj; 103 Notifier sysbus_notifier; 104 105 /*< public >*/ 106 107 char *accel; 108 bool kernel_irqchip_allowed; 109 bool kernel_irqchip_required; 110 int kvm_shadow_mem; 111 char *dtb; 112 char *dumpdtb; 113 int phandle_start; 114 char *dt_compatible; 115 bool dump_guest_core; 116 bool mem_merge; 117 bool usb; 118 bool usb_disabled; 119 bool igd_gfx_passthru; 120 char *firmware; 121 bool iommu; 122 bool suppress_vmdesc; 123 124 ram_addr_t ram_size; 125 ram_addr_t maxram_size; 126 uint64_t ram_slots; 127 const char *boot_order; 128 char *kernel_filename; 129 char *kernel_cmdline; 130 char *initrd_filename; 131 const char *cpu_model; 132 AccelState *accelerator; 133 }; 134 135 #define DEFINE_MACHINE(namestr, machine_initfn) \ 136 static void machine_initfn##_class_init(ObjectClass *oc, void *data) \ 137 { \ 138 MachineClass *mc = MACHINE_CLASS(oc); \ 139 machine_initfn(mc); \ 140 } \ 141 static const TypeInfo machine_initfn##_typeinfo = { \ 142 .name = MACHINE_TYPE_NAME(namestr), \ 143 .parent = TYPE_MACHINE, \ 144 .class_init = machine_initfn##_class_init, \ 145 }; \ 146 static void machine_initfn##_register_types(void) \ 147 { \ 148 type_register_static(&machine_initfn##_typeinfo); \ 149 } \ 150 machine_init(machine_initfn##_register_types) 151 152 #endif 153