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 "hw/qdev.h"
   9 #include "qom/object.h"
  10
  11
  12 typedef struct MachineState MachineState;
  13
  14 typedef void QEMUMachineInitFunc(MachineState *ms);
  15
  16 typedef void QEMUMachineResetFunc(void);
  17
  18 typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
  19
  20 typedef int QEMUMachineGetKvmtypeFunc(const char *arg);
  21
  22 struct QEMUMachine {
  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     int is_default;
  41     const char *default_machine_opts;
  42     const char *default_boot_order;
  43     GlobalProperty *compat_props;
  44     const char *hw_version;
  45 };
  46
  47 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
  48                                           const char *name,
  49                                           uint64_t ram_size);
  50
  51 int qemu_register_machine(QEMUMachine *m);
  52
  53 #define TYPE_MACHINE_SUFFIX "-machine"
  54 #define TYPE_MACHINE "machine"
  55 #undef MACHINE  /* BSD defines it and QEMU does not use it */
  56 #define MACHINE(obj) \
  57     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
  58 #define MACHINE_GET_CLASS(obj) \
  59     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
  60 #define MACHINE_CLASS(klass) \
  61     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
  62
  63 MachineClass *find_default_machine(void);
  64 extern MachineState *current_machine;
  65
  66 /**
  67  * MachineClass:
  68  * @qemu_machine: #QEMUMachine
  69  * @get_hotplug_handler: this function is called during bus-less
  70  *    device hotplug. If defined it returns pointer to an instance
  71  *    of HotplugHandler object, which handles hotplug operation
  72  *    for a given @dev. It may return NULL if @dev doesn't require
  73  *    any actions to be performed by hotplug handler.
  74  */
  75 struct MachineClass {
  76     /*< private >*/
  77     ObjectClass parent_class;
  78     /*< public >*/
  79
  80     const char *name;
  81     const char *alias;
  82     const char *desc;
  83
  84     void (*init)(MachineState *state);
  85     void (*reset)(void);
  86     void (*hot_add_cpu)(const int64_t id, Error **errp);
  87     int (*kvm_type)(const char *arg);
  88
  89     BlockInterfaceType block_default_type;
  90     int units_per_default_bus;
  91     int max_cpus;
  92     unsigned int no_serial:1,
  93         no_parallel:1,
  94         use_virtcon:1,
  95         use_sclp:1,
  96         no_floppy:1,
  97         no_cdrom:1,
  98         no_sdcard:1;
  99     int is_default;
 100     const char *default_machine_opts;
 101     const char *default_boot_order;
 102     GlobalProperty *compat_props;
 103     const char *hw_version;
 104
 105     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
 106                                            DeviceState *dev);
 107 };
 108
 109 /**
 110  * MachineState:
 111  */
 112 struct MachineState {
 113     /*< private >*/
 114     Object parent_obj;
 115     /*< public >*/
 116
 117     char *accel;
 118     bool kernel_irqchip;
 119     int kvm_shadow_mem;
 120     char *dtb;
 121     char *dumpdtb;
 122     int phandle_start;
 123     char *dt_compatible;
 124     bool dump_guest_core;
 125     bool mem_merge;
 126     bool usb;
 127     char *firmware;
 128     bool iommu;
 129
 130     ram_addr_t ram_size;
 131     ram_addr_t maxram_size;
 132     uint64_t   ram_slots;
 133     const char *boot_order;
 134     char *kernel_filename;
 135     char *kernel_cmdline;
 136     char *initrd_filename;
 137     const char *cpu_model;
 138 };
 139
 140 #endif