include/hw/boards.h

   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 *alias;
  24     const char *desc;
  25     QEMUMachineInitFunc *init;
  26     QEMUMachineResetFunc *reset;
  27     QEMUMachineHotAddCPUFunc *hot_add_cpu;
  28     QEMUMachineGetKvmtypeFunc *kvm_type;
  29     BlockInterfaceType block_default_type;
  30     int units_per_default_bus;
  31     int max_cpus;
  32     unsigned int no_serial:1,
  33         no_parallel:1,
  34         use_virtcon:1,
  35         use_sclp:1,
  36         no_floppy:1,
  37         no_cdrom:1,
  38         no_sdcard:1;
  39     int is_default;
  40     const char *default_machine_opts;
  41     const char *default_boot_order;
  42     GlobalProperty *compat_props;
  43     const char *hw_version;
  44 };
  45
  46 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
  47                                           const char *name,
  48                                           uint64_t ram_size);
  49
  50 int qemu_register_machine(QEMUMachine *m);
  51
  52 #define TYPE_MACHINE_SUFFIX "-machine"
  53 #define TYPE_MACHINE "machine"
  54 #undef MACHINE  /* BSD defines it and QEMU does not use it */
  55 #define MACHINE(obj) \
  56     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
  57 #define MACHINE_GET_CLASS(obj) \
  58     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
  59 #define MACHINE_CLASS(klass) \
  60     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
  61
  62 MachineClass *find_default_machine(void);
  63 extern MachineState *current_machine;
  64
  65 /**
  66  * MachineClass:
  67  * @qemu_machine: #QEMUMachine
  68  * @get_hotplug_handler: this function is called during bus-less
  69  *    device hotplug. If defined it returns pointer to an instance
  70  *    of HotplugHandler object, which handles hotplug operation
  71  *    for a given @dev. It may return NULL if @dev doesn't require
  72  *    any actions to be performed by hotplug handler.
  73  */
  74 struct MachineClass {
  75     /*< private >*/
  76     ObjectClass parent_class;
  77     /*< public >*/
  78
  79     const char *name;
  80     const char *alias;
  81     const char *desc;
  82
  83     void (*init)(MachineState *state);
  84     void (*reset)(void);
  85     void (*hot_add_cpu)(const int64_t id, Error **errp);
  86     int (*kvm_type)(const char *arg);
  87
  88     BlockInterfaceType block_default_type;
  89     int units_per_default_bus;
  90     int max_cpus;
  91     unsigned int no_serial:1,
  92         no_parallel:1,
  93         use_virtcon:1,
  94         use_sclp:1,
  95         no_floppy:1,
  96         no_cdrom:1,
  97         no_sdcard:1;
  98     int is_default;
  99     const char *default_machine_opts;
 100     const char *default_boot_order;
 101     GlobalProperty *compat_props;
 102     const char *hw_version;
 103
 104     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
 105                                            DeviceState *dev);
 106 };
 107
 108 /**
 109  * MachineState:
 110  */
 111 struct MachineState {
 112     /*< private >*/
 113     Object parent_obj;
 114     /*< public >*/
 115
 116     char *accel;
 117     bool kernel_irqchip;
 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     char *firmware;
 127     bool iommu;
 128
 129     ram_addr_t ram_size;
 130     ram_addr_t maxram_size;
 131     uint64_t   ram_slots;
 132     const char *boot_order;
 133     char *kernel_filename;
 134     char *kernel_cmdline;
 135     char *initrd_filename;
 136     const char *cpu_model;
 137     AccelState *accelerator;
 138 };
 139
 140 #endif