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 *family; /* NULL iff @name identifies a standalone machtype */ 23 const char *name; 24 const char *alias; 25 const char *desc; 26 QEMUMachineInitFunc *init; 27 QEMUMachineResetFunc *reset; 28 QEMUMachineHotAddCPUFunc *hot_add_cpu; 29 QEMUMachineGetKvmtypeFunc *kvm_type; 30 BlockInterfaceType block_default_type; 31 int units_per_default_bus; 32 int max_cpus; 33 unsigned int no_serial:1, 34 no_parallel:1, 35 use_virtcon:1, 36 use_sclp:1, 37 no_floppy:1, 38 no_cdrom:1, 39 no_sdcard:1, 40 has_dynamic_sysbus:1; 41 int is_default; 42 const char *default_machine_opts; 43 const char *default_boot_order; 44 const char *default_display; 45 GlobalProperty *compat_props; 46 const char *hw_version; 47 }; 48 49 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, 50 const char *name, 51 uint64_t ram_size); 52 53 int qemu_register_machine(QEMUMachine *m); 54 55 #define TYPE_MACHINE_SUFFIX "-machine" 56 #define TYPE_MACHINE "machine" 57 #undef MACHINE /* BSD defines it and QEMU does not use it */ 58 #define MACHINE(obj) \ 59 OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE) 60 #define MACHINE_GET_CLASS(obj) \ 61 OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE) 62 #define MACHINE_CLASS(klass) \ 63 OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE) 64 65 MachineClass *find_default_machine(void); 66 extern MachineState *current_machine; 67 68 bool machine_usb(MachineState *machine); 69 bool machine_iommu(MachineState *machine); 70 bool machine_kernel_irqchip_allowed(MachineState *machine); 71 bool machine_kernel_irqchip_required(MachineState *machine); 72 int machine_kvm_shadow_mem(MachineState *machine); 73 int machine_phandle_start(MachineState *machine); 74 bool machine_dump_guest_core(MachineState *machine); 75 bool machine_mem_merge(MachineState *machine); 76 77 /** 78 * MachineClass: 79 * @qemu_machine: #QEMUMachine 80 * @get_hotplug_handler: this function is called during bus-less 81 * device hotplug. If defined it returns pointer to an instance 82 * of HotplugHandler object, which handles hotplug operation 83 * for a given @dev. It may return NULL if @dev doesn't require 84 * any actions to be performed by hotplug handler. 85 * @cpu_index_to_socket_id: 86 * used to provide @cpu_index to socket number mapping, allowing 87 * a machine to group CPU threads belonging to the same socket/package 88 * Returns: socket number given cpu_index belongs to. 89 */ 90 struct MachineClass { 91 /*< private >*/ 92 ObjectClass parent_class; 93 /*< public >*/ 94 95 const char *family; /* NULL iff @name identifies a standalone machtype */ 96 const char *name; 97 const char *alias; 98 const char *desc; 99 100 void (*init)(MachineState *state); 101 void (*reset)(void); 102 void (*hot_add_cpu)(const int64_t id, Error **errp); 103 int (*kvm_type)(const char *arg); 104 105 BlockInterfaceType block_default_type; 106 int units_per_default_bus; 107 int max_cpus; 108 unsigned int no_serial:1, 109 no_parallel:1, 110 use_virtcon:1, 111 use_sclp:1, 112 no_floppy:1, 113 no_cdrom:1, 114 no_sdcard:1, 115 has_dynamic_sysbus:1; 116 int is_default; 117 const char *default_machine_opts; 118 const char *default_boot_order; 119 const char *default_display; 120 GlobalProperty *compat_props; 121 const char *hw_version; 122 123 HotplugHandler *(*get_hotplug_handler)(MachineState *machine, 124 DeviceState *dev); 125 unsigned (*cpu_index_to_socket_id)(unsigned cpu_index); 126 }; 127 128 /** 129 * MachineState: 130 */ 131 struct MachineState { 132 /*< private >*/ 133 Object parent_obj; 134 Notifier sysbus_notifier; 135 136 /*< public >*/ 137 138 char *accel; 139 bool kernel_irqchip_allowed; 140 bool kernel_irqchip_required; 141 int kvm_shadow_mem; 142 char *dtb; 143 char *dumpdtb; 144 int phandle_start; 145 char *dt_compatible; 146 bool dump_guest_core; 147 bool mem_merge; 148 bool usb; 149 bool usb_disabled; 150 char *firmware; 151 bool iommu; 152 bool suppress_vmdesc; 153 154 ram_addr_t ram_size; 155 ram_addr_t maxram_size; 156 uint64_t ram_slots; 157 const char *boot_order; 158 char *kernel_filename; 159 char *kernel_cmdline; 160 char *initrd_filename; 161 const char *cpu_model; 162 AccelState *accelerator; 163 }; 164 165 #endif 166