xref: /openbmc/qemu/include/hw/boards.h (revision 07a32d6b)
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 #define TYPE_MACHINE_SUFFIX "-machine"
47 int qemu_register_machine(QEMUMachine *m);
48 
49 #define TYPE_MACHINE "machine"
50 #undef MACHINE  /* BSD defines it and QEMU does not use it */
51 #define MACHINE(obj) \
52     OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
53 #define MACHINE_GET_CLASS(obj) \
54     OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
55 #define MACHINE_CLASS(klass) \
56     OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
57 
58 MachineClass *find_default_machine(void);
59 extern MachineState *current_machine;
60 
61 /**
62  * MachineClass:
63  * @qemu_machine: #QEMUMachine
64  * @get_hotplug_handler: this function is called during bus-less
65  *    device hotplug. If defined it returns pointer to an instance
66  *    of HotplugHandler object, which handles hotplug operation
67  *    for a given @dev. It may return NULL if @dev doesn't require
68  *    any actions to be performed by hotplug handler.
69  */
70 struct MachineClass {
71     /*< private >*/
72     ObjectClass parent_class;
73     /*< public >*/
74 
75     const char *name;
76     const char *alias;
77     const char *desc;
78 
79     void (*init)(MachineState *state);
80     void (*reset)(void);
81     void (*hot_add_cpu)(const int64_t id, Error **errp);
82     int (*kvm_type)(const char *arg);
83 
84     BlockInterfaceType block_default_type;
85     int max_cpus;
86     unsigned int no_serial:1,
87         no_parallel:1,
88         use_virtcon:1,
89         use_sclp:1,
90         no_floppy:1,
91         no_cdrom:1,
92         no_sdcard:1;
93     int is_default;
94     const char *default_machine_opts;
95     const char *default_boot_order;
96     GlobalProperty *compat_props;
97     const char *hw_version;
98 
99     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
100                                            DeviceState *dev);
101 };
102 
103 /**
104  * MachineState:
105  */
106 struct MachineState {
107     /*< private >*/
108     Object parent_obj;
109     /*< public >*/
110 
111     char *accel;
112     bool kernel_irqchip;
113     int kvm_shadow_mem;
114     char *dtb;
115     char *dumpdtb;
116     int phandle_start;
117     char *dt_compatible;
118     bool dump_guest_core;
119     bool mem_merge;
120     bool usb;
121     char *firmware;
122 
123     ram_addr_t ram_size;
124     ram_addr_t maxram_size;
125     uint64_t   ram_slots;
126     const char *boot_order;
127     char *kernel_filename;
128     char *kernel_cmdline;
129     char *initrd_filename;
130     const char *cpu_model;
131 };
132 
133 #endif
134