qemu-timer: Avoid overflows when converting timeout to struct timespec
[qemu-kvm.git] / include / hw / boards.h
blobe0a67903ef3eed426acdfab06f6d0976cafdfbd5
1 /* Declarations for use by board files for creating devices. */
3 #ifndef HW_BOARDS_H
4 #define HW_BOARDS_H
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"
13 typedef void QEMUMachineInitFunc(MachineState *ms);
15 typedef void QEMUMachineResetFunc(void);
17 typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
19 typedef int QEMUMachineGetKvmtypeFunc(const char *arg);
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;
49 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
50 const char *name,
51 uint64_t ram_size);
53 int qemu_register_machine(QEMUMachine *m);
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)
65 MachineClass *find_default_machine(void);
66 extern MachineState *current_machine;
68 /**
69 * MachineClass:
70 * @qemu_machine: #QEMUMachine
71 * @get_hotplug_handler: this function is called during bus-less
72 * device hotplug. If defined it returns pointer to an instance
73 * of HotplugHandler object, which handles hotplug operation
74 * for a given @dev. It may return NULL if @dev doesn't require
75 * any actions to be performed by hotplug handler.
77 struct MachineClass {
78 /*< private >*/
79 ObjectClass parent_class;
80 /*< public >*/
82 const char *family; /* NULL iff @name identifies a standalone machtype */
83 const char *name;
84 const char *alias;
85 const char *desc;
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);
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 int is_default;
104 const char *default_machine_opts;
105 const char *default_boot_order;
106 const char *default_display;
107 GlobalProperty *compat_props;
108 const char *hw_version;
110 HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
111 DeviceState *dev);
115 * MachineState:
117 struct MachineState {
118 /*< private >*/
119 Object parent_obj;
120 Notifier sysbus_notifier;
122 /*< public >*/
124 char *accel;
125 bool kernel_irqchip;
126 int kvm_shadow_mem;
127 char *dtb;
128 char *dumpdtb;
129 int phandle_start;
130 char *dt_compatible;
131 bool dump_guest_core;
132 bool mem_merge;
133 bool usb;
134 char *firmware;
135 bool iommu;
137 ram_addr_t ram_size;
138 ram_addr_t maxram_size;
139 uint64_t ram_slots;
140 const char *boot_order;
141 char *kernel_filename;
142 char *kernel_cmdline;
143 char *initrd_filename;
144 const char *cpu_model;
145 AccelState *accelerator;
148 #endif