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 *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     int is_default;
  41     const char *default_machine_opts;
  42     const char *default_boot_order;
  43     const char *default_display;
  44     GlobalProperty *compat_props;
  45     const char *hw_version;
  46 };
  47
  48 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
  49                                           const char *name,
  50                                           uint64_t ram_size);
  51
  52 int qemu_register_machine(QEMUMachine *m);
  53
  54 #define TYPE_MACHINE_SUFFIX "-machine"
  55 #define TYPE_MACHINE "machine"
  56 #undef MACHINE  /* BSD defines it and QEMU does not use it */
  57 #define MACHINE(obj) \
  58     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
  59 #define MACHINE_GET_CLASS(obj) \
  60     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
  61 #define MACHINE_CLASS(klass) \
  62     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
  63
  64 MachineClass *find_default_machine(void);
  65 extern MachineState *current_machine;
  66
  67 /**
  68  * MachineClass:
  69  * @qemu_machine: #QEMUMachine
  70  * @get_hotplug_handler: this function is called during bus-less
  71  *    device hotplug. If defined it returns pointer to an instance
  72  *    of HotplugHandler object, which handles hotplug operation
  73  *    for a given @dev. It may return NULL if @dev doesn't require
  74  *    any actions to be performed by hotplug handler.
  75  */
  76 struct MachineClass {
  77     /*< private >*/
  78     ObjectClass parent_class;
  79     /*< public >*/
  80
  81     const char *family; /* NULL iff @name identifies a standalone machtype */
  82     const char *name;
  83     const char *alias;
  84     const char *desc;
  85
  86     void (*init)(MachineState *state);
  87     void (*reset)(void);
  88     void (*hot_add_cpu)(const int64_t id, Error **errp);
  89     int (*kvm_type)(const char *arg);
  90
  91     BlockInterfaceType block_default_type;
  92     int units_per_default_bus;
  93     int max_cpus;
  94     unsigned int no_serial:1,
  95         no_parallel:1,
  96         use_virtcon:1,
  97         use_sclp:1,
  98         no_floppy:1,
  99         no_cdrom:1,
 100         no_sdcard:1;
 101     int is_default;
 102     const char *default_machine_opts;
 103     const char *default_boot_order;
 104     const char *default_display;
 105     GlobalProperty *compat_props;
 106     const char *hw_version;
 107
 108     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
 109                                            DeviceState *dev);
 110 };
 111
 112 /**
 113  * MachineState:
 114  */
 115 struct MachineState {
 116     /*< private >*/
 117     Object parent_obj;
 118     /*< public >*/
 119
 120     char *accel;
 121     bool kernel_irqchip;
 122     int kvm_shadow_mem;
 123     char *dtb;
 124     char *dumpdtb;
 125     int phandle_start;
 126     char *dt_compatible;
 127     bool dump_guest_core;
 128     bool mem_merge;
 129     bool usb;
 130     char *firmware;
 131     bool iommu;
 132
 133     ram_addr_t ram_size;
 134     ram_addr_t maxram_size;
 135     uint64_t   ram_slots;
 136     const char *boot_order;
 137     char *kernel_filename;
 138     char *kernel_cmdline;
 139     char *initrd_filename;
 140     const char *cpu_model;
 141     AccelState *accelerator;
 142 };
 143
 144 #endif