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         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
  70 /**
  71  * MachineClass:
  72  * @qemu_machine: #QEMUMachine
  73  * @get_hotplug_handler: this function is called during bus-less
  74  *    device hotplug. If defined it returns pointer to an instance
  75  *    of HotplugHandler object, which handles hotplug operation
  76  *    for a given @dev. It may return NULL if @dev doesn't require
  77  *    any actions to be performed by hotplug handler.
  78  */
  79 struct MachineClass {
  80     /*< private >*/
  81     ObjectClass parent_class;
  82     /*< public >*/
  83
  84     const char *family; /* NULL iff @name identifies a standalone machtype */
  85     const char *name;
  86     const char *alias;
  87     const char *desc;
  88
  89     void (*init)(MachineState *state);
  90     void (*reset)(void);
  91     void (*hot_add_cpu)(const int64_t id, Error **errp);
  92     int (*kvm_type)(const char *arg);
  93
  94     BlockInterfaceType block_default_type;
  95     int units_per_default_bus;
  96     int max_cpus;
  97     unsigned int no_serial:1,
  98         no_parallel:1,
  99         use_virtcon:1,
 100         use_sclp:1,
 101         no_floppy:1,
 102         no_cdrom:1,
 103         no_sdcard:1,
 104         has_dynamic_sysbus:1;
 105     int is_default;
 106     const char *default_machine_opts;
 107     const char *default_boot_order;
 108     const char *default_display;
 109     GlobalProperty *compat_props;
 110     const char *hw_version;
 111
 112     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
 113                                            DeviceState *dev);
 114 };
 115
 116 /**
 117  * MachineState:
 118  */
 119 struct MachineState {
 120     /*< private >*/
 121     Object parent_obj;
 122     Notifier sysbus_notifier;
 123
 124     /*< public >*/
 125
 126     char *accel;
 127     bool kernel_irqchip;
 128     int kvm_shadow_mem;
 129     char *dtb;
 130     char *dumpdtb;
 131     int phandle_start;
 132     char *dt_compatible;
 133     bool dump_guest_core;
 134     bool mem_merge;
 135     bool usb;
 136     char *firmware;
 137     bool iommu;
 138
 139     ram_addr_t ram_size;
 140     ram_addr_t maxram_size;
 141     uint64_t   ram_slots;
 142     const char *boot_order;
 143     char *kernel_filename;
 144     char *kernel_cmdline;
 145     char *initrd_filename;
 146     const char *cpu_model;
 147     AccelState *accelerator;
 148 };
 149
 150 #endif