xref: /openbmc/qemu/include/hw/boards.h (revision 49946538)
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 "hw/qdev.h"
9 #include "qom/object.h"
10 
11 
12 typedef struct MachineState MachineState;
13 
14 typedef void QEMUMachineInitFunc(MachineState *ms);
15 
16 typedef void QEMUMachineResetFunc(void);
17 
18 typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
19 
20 typedef int QEMUMachineGetKvmtypeFunc(const char *arg);
21 
22 struct QEMUMachine {
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 max_cpus;
32     unsigned int no_serial:1,
33         no_parallel:1,
34         use_virtcon:1,
35         use_sclp:1,
36         no_floppy:1,
37         no_cdrom:1,
38         no_sdcard:1;
39     int is_default;
40     const char *default_machine_opts;
41     const char *default_boot_order;
42     GlobalProperty *compat_props;
43     const char *hw_version;
44 };
45 
46 void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
47                                           const char *name,
48                                           uint64_t ram_size);
49 
50 int qemu_register_machine(QEMUMachine *m);
51 
52 #define TYPE_MACHINE_SUFFIX "-machine"
53 #define TYPE_MACHINE "machine"
54 #undef MACHINE  /* BSD defines it and QEMU does not use it */
55 #define MACHINE(obj) \
56     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
57 #define MACHINE_GET_CLASS(obj) \
58     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
59 #define MACHINE_CLASS(klass) \
60     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
61 
62 MachineClass *find_default_machine(void);
63 extern MachineState *current_machine;
64 
65 /**
66  * MachineClass:
67  * @qemu_machine: #QEMUMachine
68  * @get_hotplug_handler: this function is called during bus-less
69  *    device hotplug. If defined it returns pointer to an instance
70  *    of HotplugHandler object, which handles hotplug operation
71  *    for a given @dev. It may return NULL if @dev doesn't require
72  *    any actions to be performed by hotplug handler.
73  */
74 struct MachineClass {
75     /*< private >*/
76     ObjectClass parent_class;
77     /*< public >*/
78 
79     const char *name;
80     const char *alias;
81     const char *desc;
82 
83     void (*init)(MachineState *state);
84     void (*reset)(void);
85     void (*hot_add_cpu)(const int64_t id, Error **errp);
86     int (*kvm_type)(const char *arg);
87 
88     BlockInterfaceType block_default_type;
89     int max_cpus;
90     unsigned int no_serial:1,
91         no_parallel:1,
92         use_virtcon:1,
93         use_sclp:1,
94         no_floppy:1,
95         no_cdrom:1,
96         no_sdcard:1;
97     int is_default;
98     const char *default_machine_opts;
99     const char *default_boot_order;
100     GlobalProperty *compat_props;
101     const char *hw_version;
102 
103     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
104                                            DeviceState *dev);
105 };
106 
107 /**
108  * MachineState:
109  */
110 struct MachineState {
111     /*< private >*/
112     Object parent_obj;
113     /*< public >*/
114 
115     char *accel;
116     bool kernel_irqchip;
117     int kvm_shadow_mem;
118     char *dtb;
119     char *dumpdtb;
120     int phandle_start;
121     char *dt_compatible;
122     bool dump_guest_core;
123     bool mem_merge;
124     bool usb;
125     char *firmware;
126     bool iommu;
127 
128     ram_addr_t ram_size;
129     ram_addr_t maxram_size;
130     uint64_t   ram_slots;
131     const char *boot_order;
132     char *kernel_filename;
133     char *kernel_cmdline;
134     char *initrd_filename;
135     const char *cpu_model;
136 };
137 
138 #endif
139