xref: /qemu/include/hw/boards.h (revision 2822c1b6)
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
151