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 *desc;
  24     QEMUMachineInitFunc *init;
  25     QEMUMachineGetKvmtypeFunc *kvm_type;
  26     BlockInterfaceType block_default_type;
  27     int max_cpus;
  28     unsigned int
  29         no_sdcard:1,
  30         has_dynamic_sysbus:1;
  31     int is_default;
  32     const char *default_machine_opts;
  33     const char *default_boot_order;
  34 };
  35
  36 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
  37                                           const char *name,
  38                                           uint64_t ram_size);
  39
  40 int qemu_register_machine(QEMUMachine *m);
  41
  42 #define TYPE_MACHINE_SUFFIX "-machine"
  43 #define TYPE_MACHINE "machine"
  44 #undef MACHINE  /* BSD defines it and QEMU does not use it */
  45 #define MACHINE(obj) \
  46     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
  47 #define MACHINE_GET_CLASS(obj) \
  48     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
  49 #define MACHINE_CLASS(klass) \
  50     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
  51
  52 MachineClass *find_default_machine(void);
  53 extern MachineState *current_machine;
  54
  55 bool machine_usb(MachineState *machine);
  56 bool machine_iommu(MachineState *machine);
  57 bool machine_kernel_irqchip_allowed(MachineState *machine);
  58 bool machine_kernel_irqchip_required(MachineState *machine);
  59 int machine_kvm_shadow_mem(MachineState *machine);
  60 int machine_phandle_start(MachineState *machine);
  61 bool machine_dump_guest_core(MachineState *machine);
  62 bool machine_mem_merge(MachineState *machine);
  63
  64 /**
  65  * MachineClass:
  66  * @qemu_machine: #QEMUMachine
  67  * @get_hotplug_handler: this function is called during bus-less
  68  *    device hotplug. If defined it returns pointer to an instance
  69  *    of HotplugHandler object, which handles hotplug operation
  70  *    for a given @dev. It may return NULL if @dev doesn't require
  71  *    any actions to be performed by hotplug handler.
  72  * @cpu_index_to_socket_id:
  73  *    used to provide @cpu_index to socket number mapping, allowing
  74  *    a machine to group CPU threads belonging to the same socket/package
  75  *    Returns: socket number given cpu_index belongs to.
  76  */
  77 struct MachineClass {
  78     /*< private >*/
  79     ObjectClass parent_class;
  80     /*< public >*/
  81
  82     const char *family; /* NULL iff @name identifies a standalone machtype */
  83     const char *name;
  84     const char *alias;
  85     const char *desc;
  86
  87     void (*init)(MachineState *state);
  88     void (*reset)(void);
  89     void (*hot_add_cpu)(const int64_t id, Error **errp);
  90     int (*kvm_type)(const char *arg);
  91
  92     BlockInterfaceType block_default_type;
  93     int units_per_default_bus;
  94     int max_cpus;
  95     unsigned int no_serial:1,
  96         no_parallel:1,
  97         use_virtcon:1,
  98         use_sclp:1,
  99         no_floppy:1,
 100         no_cdrom:1,
 101         no_sdcard:1,
 102         has_dynamic_sysbus:1,
 103         no_tco:1,
 104         pci_allow_0_address: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     ram_addr_t default_ram_size;
 112
 113     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
 114                                            DeviceState *dev);
 115     unsigned (*cpu_index_to_socket_id)(unsigned cpu_index);
 116 };
 117
 118 /**
 119  * MachineState:
 120  */
 121 struct MachineState {
 122     /*< private >*/
 123     Object parent_obj;
 124     Notifier sysbus_notifier;
 125
 126     /*< public >*/
 127
 128     char *accel;
 129     bool kernel_irqchip_allowed;
 130     bool kernel_irqchip_required;
 131     int kvm_shadow_mem;
 132     char *dtb;
 133     char *dumpdtb;
 134     int phandle_start;
 135     char *dt_compatible;
 136     bool dump_guest_core;
 137     bool mem_merge;
 138     bool usb;
 139     bool usb_disabled;
 140     bool igd_gfx_passthru;
 141     char *firmware;
 142     bool iommu;
 143     bool suppress_vmdesc;
 144
 145     ram_addr_t ram_size;
 146     ram_addr_t maxram_size;
 147     uint64_t   ram_slots;
 148     const char *boot_order;
 149     char *kernel_filename;
 150     char *kernel_cmdline;
 151     char *initrd_filename;
 152     const char *cpu_model;
 153     AccelState *accelerator;
 154 };
 155
 156 #endif