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 bool machine_kernel_irqchip_split(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 * @hw_version: 56 * Value of QEMU_VERSION when the machine was added to QEMU. 57 * Set only by old machines because they need to keep 58 * compatibility on code that exposed QEMU_VERSION to guests in 59 * the past (and now use qemu_hw_version()). 60 */ 61 struct MachineClass { 62 /*< private >*/ 63 ObjectClass parent_class; 64 /*< public >*/ 65 66 const char *family; /* NULL iff @name identifies a standalone machtype */ 67 const char *name; 68 const char *alias; 69 const char *desc; 70 71 void (*init)(MachineState *state); 72 void (*reset)(void); 73 void (*hot_add_cpu)(const int64_t id, Error **errp); 74 int (*kvm_type)(const char *arg); 75 76 BlockInterfaceType block_default_type; 77 int units_per_default_bus; 78 int max_cpus; 79 unsigned int no_serial:1, 80 no_parallel:1, 81 use_virtcon:1, 82 use_sclp:1, 83 no_floppy:1, 84 no_cdrom:1, 85 no_sdcard:1, 86 has_dynamic_sysbus:1, 87 no_tco:1, 88 pci_allow_0_address:1; 89 int is_default; 90 const char *default_machine_opts; 91 const char *default_boot_order; 92 const char *default_display; 93 GlobalProperty *compat_props; 94 const char *hw_version; 95 ram_addr_t default_ram_size; 96 bool option_rom_has_mr; 97 bool rom_file_has_mr; 98 99 HotplugHandler *(*get_hotplug_handler)(MachineState *machine, 100 DeviceState *dev); 101 unsigned (*cpu_index_to_socket_id)(unsigned cpu_index); 102 }; 103 104 /** 105 * MachineState: 106 */ 107 struct MachineState { 108 /*< private >*/ 109 Object parent_obj; 110 Notifier sysbus_notifier; 111 112 /*< public >*/ 113 114 char *accel; 115 bool kernel_irqchip_allowed; 116 bool kernel_irqchip_required; 117 bool kernel_irqchip_split; 118 int kvm_shadow_mem; 119 char *dtb; 120 char *dumpdtb; 121 int phandle_start; 122 char *dt_compatible; 123 bool dump_guest_core; 124 bool mem_merge; 125 bool usb; 126 bool usb_disabled; 127 bool igd_gfx_passthru; 128 char *firmware; 129 bool iommu; 130 bool suppress_vmdesc; 131 132 ram_addr_t ram_size; 133 ram_addr_t maxram_size; 134 uint64_t ram_slots; 135 const char *boot_order; 136 char *kernel_filename; 137 char *kernel_cmdline; 138 char *initrd_filename; 139 const char *cpu_model; 140 AccelState *accelerator; 141 }; 142 143 #define DEFINE_MACHINE(namestr, machine_initfn) \ 144 static void machine_initfn##_class_init(ObjectClass *oc, void *data) \ 145 { \ 146 MachineClass *mc = MACHINE_CLASS(oc); \ 147 machine_initfn(mc); \ 148 } \ 149 static const TypeInfo machine_initfn##_typeinfo = { \ 150 .name = MACHINE_TYPE_NAME(namestr), \ 151 .parent = TYPE_MACHINE, \ 152 .class_init = machine_initfn##_class_init, \ 153 }; \ 154 static void machine_initfn##_register_types(void) \ 155 { \ 156 type_register_static(&machine_initfn##_typeinfo); \ 157 } \ 158 machine_init(machine_initfn##_register_types) 159 160 #define SET_MACHINE_COMPAT(m, COMPAT) \ 161 do { \ 162 static GlobalProperty props[] = { \ 163 COMPAT \ 164 { /* end of list */ } \ 165 }; \ 166 (m)->compat_props = props; \ 167 } while (0) 168 169 #endif 170