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 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     char *firmware;
 150     bool iommu;
 151     bool suppress_vmdesc;
 152
 153     ram_addr_t ram_size;
 154     ram_addr_t maxram_size;
 155     uint64_t   ram_slots;
 156     const char *boot_order;
 157     char *kernel_filename;
 158     char *kernel_cmdline;
 159     char *initrd_filename;
 160     const char *cpu_model;
 161     AccelState *accelerator;
 162 };
 163
 164 #endif