[qemu.git] / hw / qdev.h

#ifndef QDEV_H
#define QDEV_H

#include "hw.h"
#include "qemu-queue.h"
#include "qemu-char.h"
#include "qemu-option.h"
#include "qapi/qapi-visit-core.h"
#include "qemu/object.h"
#include "error.h"

typedef struct Property Property;

typedef struct PropertyInfo PropertyInfo;

typedef struct CompatProperty CompatProperty;

typedef struct BusState BusState;

typedef struct BusInfo BusInfo;

enum DevState {
    DEV_STATE_CREATED = 1,
    DEV_STATE_INITIALIZED,
};

enum {
    DEV_NVECTORS_UNSPECIFIED = -1,
};

#define TYPE_DEVICE "device"
#define DEVICE(obj) OBJECT_CHECK(DeviceState, (obj), TYPE_DEVICE)
#define DEVICE_CLASS(klass) OBJECT_CLASS_CHECK(DeviceClass, (klass), TYPE_DEVICE)
#define DEVICE_GET_CLASS(obj) OBJECT_GET_CLASS(DeviceClass, (obj), TYPE_DEVICE)

typedef int (*qdev_initfn)(DeviceState *dev);
typedef int (*qdev_event)(DeviceState *dev);
typedef void (*qdev_resetfn)(DeviceState *dev);

typedef struct DeviceClass {
    ObjectClass parent_class;

    const char *fw_name;
    const char *desc;
    Property *props;
    int no_user;

    /* callbacks */
    void (*reset)(DeviceState *dev);

    /* device state */
    const VMStateDescription *vmsd;

    /* Private to qdev / bus.  */
    qdev_initfn init;
    qdev_event unplug;
    qdev_event exit;
    BusInfo *bus_info;
} DeviceClass;

/* This structure should not be accessed directly.  We declare it here
   so that it can be embedded in individual device state structures.  */
struct DeviceState {
    Object parent_obj;

    const char *id;
    enum DevState state;
    QemuOpts *opts;
    int hotplugged;
    BusState *parent_bus;
    int num_gpio_out;
    qemu_irq *gpio_out;
    int num_gpio_in;
    qemu_irq *gpio_in;
    QLIST_HEAD(, BusState) child_bus;
    int num_child_bus;
    QTAILQ_ENTRY(DeviceState) sibling;
    int instance_id_alias;
    int alias_required_for_version;
};

typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent);
typedef char *(*bus_get_dev_path)(DeviceState *dev);
/*
 * This callback is used to create Open Firmware device path in accordance with
 * OF spec http://forthworks.com/standards/of1275.pdf. Indicidual bus bindings
 * can be found here http://playground.sun.com/1275/bindings/.
 */
typedef char *(*bus_get_fw_dev_path)(DeviceState *dev);
typedef int (qbus_resetfn)(BusState *bus);

struct BusInfo {
    const char *name;
    size_t size;
    bus_dev_printfn print_dev;
    bus_get_dev_path get_dev_path;
    bus_get_fw_dev_path get_fw_dev_path;
    qbus_resetfn *reset;
    Property *props;
};

struct BusState {
    DeviceState *parent;
    BusInfo *info;
    const char *name;
    int allow_hotplug;
    int qdev_allocated;
    QTAILQ_HEAD(ChildrenHead, DeviceState) children;
    QLIST_ENTRY(BusState) sibling;
};

struct Property {
    const char   *name;
    PropertyInfo *info;
    int          offset;
    uint8_t      bitnr;
    uint8_t      qtype;
    int64_t      defval;
};

struct PropertyInfo {
    const char *name;
    const char *legacy_name;
    const char **enum_table;
    int64_t min;
    int64_t max;
    int (*parse)(DeviceState *dev, Property *prop, const char *str);
    int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
    ObjectPropertyAccessor *get;
    ObjectPropertyAccessor *set;
    ObjectPropertyRelease *release;
};

typedef struct GlobalProperty {
    const char *driver;
    const char *property;
    const char *value;
    QTAILQ_ENTRY(GlobalProperty) next;
} GlobalProperty;

/*** Board API.  This should go away once we have a machine config file.  ***/

DeviceState *qdev_create(BusState *bus, const char *name);
DeviceState *qdev_try_create(BusState *bus, const char *name);
bool qdev_exists(const char *name);
int qdev_device_help(QemuOpts *opts);
DeviceState *qdev_device_add(QemuOpts *opts);
int qdev_init(DeviceState *dev) QEMU_WARN_UNUSED_RESULT;
void qdev_init_nofail(DeviceState *dev);
void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
                                 int required_for_version);
void qdev_unplug(DeviceState *dev, Error **errp);
void qdev_free(DeviceState *dev);
int qdev_simple_unplug_cb(DeviceState *dev);
void qdev_machine_creation_done(void);
bool qdev_machine_modified(void);

qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin);

BusState *qdev_get_child_bus(DeviceState *dev, const char *name);

/*** Device API.  ***/

/* Register device properties.  */
/* GPIO inputs also double as IRQ sinks.  */
void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);

BusState *qdev_get_parent_bus(DeviceState *dev);

/*** BUS API. ***/

DeviceState *qdev_find_recursive(BusState *bus, const char *id);

/* Returns 0 to walk children, > 0 to skip walk, < 0 to terminate walk. */
typedef int (qbus_walkerfn)(BusState *bus, void *opaque);
typedef int (qdev_walkerfn)(DeviceState *dev, void *opaque);

void qbus_create_inplace(BusState *bus, BusInfo *info,
                         DeviceState *parent, const char *name);
BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name);
/* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
 *         < 0 if either devfn or busfn terminate walk somewhere in cursion,
 *           0 otherwise. */
int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
                       qbus_walkerfn *busfn, void *opaque);
int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
                       qbus_walkerfn *busfn, void *opaque);
void qdev_reset_all(DeviceState *dev);
void qbus_reset_all_fn(void *opaque);

void qbus_free(BusState *bus);

#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)

/* This should go away once we get rid of the NULL bus hack */
BusState *sysbus_get_default(void);

/*** monitor commands ***/

void do_info_qtree(Monitor *mon);
void do_info_qdm(Monitor *mon);
int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data);

/*** qdev-properties.c ***/

extern PropertyInfo qdev_prop_bit;
extern PropertyInfo qdev_prop_uint8;
extern PropertyInfo qdev_prop_uint16;
extern PropertyInfo qdev_prop_uint32;
extern PropertyInfo qdev_prop_int32;
extern PropertyInfo qdev_prop_uint64;
extern PropertyInfo qdev_prop_hex8;
extern PropertyInfo qdev_prop_hex32;
extern PropertyInfo qdev_prop_hex64;
extern PropertyInfo qdev_prop_string;
extern PropertyInfo qdev_prop_chr;
extern PropertyInfo qdev_prop_ptr;
extern PropertyInfo qdev_prop_macaddr;
extern PropertyInfo qdev_prop_losttickpolicy;
extern PropertyInfo qdev_prop_drive;
extern PropertyInfo qdev_prop_netdev;
extern PropertyInfo qdev_prop_vlan;
extern PropertyInfo qdev_prop_pci_devfn;
extern PropertyInfo qdev_prop_blocksize;

#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
        .name      = (_name),                                    \
        .info      = &(_prop),                                   \
        .offset    = offsetof(_state, _field)                    \
            + type_check(_type,typeof_field(_state, _field)),    \
        }
#define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
        .name      = (_name),                                           \
        .info      = &(_prop),                                          \
        .offset    = offsetof(_state, _field)                           \
            + type_check(_type,typeof_field(_state, _field)),           \
        .qtype     = QTYPE_QINT,                                        \
        .defval    = (_type)_defval,                                    \
        }
#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) {  \
        .name      = (_name),                                    \
        .info      = &(qdev_prop_bit),                           \
        .bitnr    = (_bit),                                      \
        .offset    = offsetof(_state, _field)                    \
            + type_check(uint32_t,typeof_field(_state, _field)), \
        .qtype     = QTYPE_QBOOL,                                \
        .defval    = (bool)_defval,                              \
        }

#define DEFINE_PROP_UINT8(_n, _s, _f, _d)                       \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
#define DEFINE_PROP_UINT16(_n, _s, _f, _d)                      \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
#define DEFINE_PROP_UINT32(_n, _s, _f, _d)                      \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
#define DEFINE_PROP_INT32(_n, _s, _f, _d)                      \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t)
#define DEFINE_PROP_UINT64(_n, _s, _f, _d)                      \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
#define DEFINE_PROP_HEX8(_n, _s, _f, _d)                       \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex8, uint8_t)
#define DEFINE_PROP_HEX32(_n, _s, _f, _d)                       \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t)
#define DEFINE_PROP_HEX64(_n, _s, _f, _d)                       \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t)
#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d)                   \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t)

#define DEFINE_PROP_PTR(_n, _s, _f)             \
    DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
#define DEFINE_PROP_CHR(_n, _s, _f)             \
    DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
#define DEFINE_PROP_STRING(_n, _s, _f)             \
    DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
#define DEFINE_PROP_NETDEV(_n, _s, _f)             \
    DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, VLANClientState*)
#define DEFINE_PROP_VLAN(_n, _s, _f)             \
    DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, VLANState*)
#define DEFINE_PROP_DRIVE(_n, _s, _f) \
    DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *)
#define DEFINE_PROP_MACADDR(_n, _s, _f)         \
    DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
                        LostTickPolicy)
#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \
    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t)

#define DEFINE_PROP_END_OF_LIST()               \
    {}

/* Set properties between creation and init.  */
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
int qdev_prop_exists(DeviceState *dev, const char *name);
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value);
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value);
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value);
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value);
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT;
void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value);
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value);
/* FIXME: Remove opaque pointer properties.  */
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);
void qdev_prop_set_defaults(DeviceState *dev, Property *props);

void qdev_prop_register_global_list(GlobalProperty *props);
void qdev_prop_set_globals(DeviceState *dev);
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
                                    Property *prop, const char *value);

char *qdev_get_fw_dev_path(DeviceState *dev);

/* This is a nasty hack to allow passing a NULL bus to qdev_create.  */
extern struct BusInfo system_bus_info;

/**
 * @qdev_property_add_static - add a @Property to a device referencing a
 * field in a struct.
 */
void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);

/**
 * @qdev_machine_init
 *
 * Initialize platform devices before machine init.  This is a hack until full
 * support for composition is added.
 */
void qdev_machine_init(void);

/**
 * @device_reset
 *
 * Reset a single device (by calling the reset method).
 */
void device_reset(DeviceState *dev);

const VMStateDescription *qdev_get_vmsd(DeviceState *dev);

const char *qdev_fw_name(DeviceState *dev);

BusInfo *qdev_get_bus_info(DeviceState *dev);

Property *qdev_get_props(DeviceState *dev);

Object *qdev_get_machine(void);

/* FIXME: make this a link<> */
void qdev_set_parent_bus(DeviceState *dev, BusState *bus);

extern int qdev_hotplug;

#endif
Commit	Line	Data
aae9460e PB	1	#ifndef QDEV_H
	2	#define QDEV_H
	3
	4	#include "hw.h"
72cf2d4f	5	#include "qemu-queue.h"
313feaab	6	#include "qemu-char.h"
f31d07d1	7	#include "qemu-option.h"
44677ded	8	#include "qapi/qapi-visit-core.h"
32fea402	9	#include "qemu/object.h"
56f9107e	10	#include "error.h"
aae9460e	11
ee6847d1 GH	12	typedef struct Property Property;
	13
	14	typedef struct PropertyInfo PropertyInfo;
aae9460e	15
b6b61144 GH	16	typedef struct CompatProperty CompatProperty;
b6b61144 GH	17
02e2da45	18	typedef struct BusState BusState;
4d6ae674	19
10c4c98a GH	20	typedef struct BusInfo BusInfo;
10c4c98a GH	21
131ec1bd GH	22	enum DevState {
	23	DEV_STATE_CREATED = 1,
	24	DEV_STATE_INITIALIZED,
	25	};
	26
75422b0d AS	27	enum {
	28	DEV_NVECTORS_UNSPECIFIED = -1,
	29	};
	30
32fea402 AL	31	#define TYPE_DEVICE "device"
32fea402 AL	32	#define DEVICE(obj) OBJECT_CHECK(DeviceState, (obj), TYPE_DEVICE)
30fbb9fc AL	33	#define DEVICE_CLASS(klass) OBJECT_CLASS_CHECK(DeviceClass, (klass), TYPE_DEVICE)
30fbb9fc AL	34	#define DEVICE_GET_CLASS(obj) OBJECT_GET_CLASS(DeviceClass, (obj), TYPE_DEVICE)
32fea402	35
d307af79	36	typedef int (qdev_initfn)(DeviceState dev);
6e008585 AL	37	typedef int (qdev_event)(DeviceState dev);
	38	typedef void (qdev_resetfn)(DeviceState dev);
	39
32fea402 AL	40	typedef struct DeviceClass {
32fea402 AL	41	ObjectClass parent_class;
6e008585 AL	42
6e008585 AL	43	const char *fw_name;
6e008585 AL	44	const char *desc;
	45	Property *props;
	46	int no_user;
	47
	48	/* callbacks */
94afdadc	49	void (reset)(DeviceState dev);
6e008585 AL	50
	51	/* device state */
	52	const VMStateDescription *vmsd;
	53
	54	/* Private to qdev / bus. */
	55	qdev_initfn init;
	56	qdev_event unplug;
	57	qdev_event exit;
	58	BusInfo *bus_info;
32fea402 AL	59	} DeviceClass;
32fea402 AL	60
aae9460e PB	61	/* This structure should not be accessed directly. We declare it here
aae9460e PB	62	so that it can be embedded in individual device state structures. */
02e2da45	63	struct DeviceState {
32fea402 AL	64	Object parent_obj;
32fea402 AL	65
f31d07d1	66	const char *id;
131ec1bd	67	enum DevState state;
ef80b466	68	QemuOpts *opts;
3418bd25	69	int hotplugged;
02e2da45	70	BusState *parent_bus;
aae9460e PB	71	int num_gpio_out;
	72	qemu_irq *gpio_out;
	73	int num_gpio_in;
	74	qemu_irq *gpio_in;
72cf2d4f	75	QLIST_HEAD(, BusState) child_bus;
d271de9f	76	int num_child_bus;
d8bb00d6	77	QTAILQ_ENTRY(DeviceState) sibling;
4d2ffa08 JK	78	int instance_id_alias;
4d2ffa08 JK	79	int alias_required_for_version;
02e2da45 PB	80	};
02e2da45 PB	81
10c4c98a	82	typedef void (bus_dev_printfn)(Monitor mon, DeviceState *dev, int indent);
6772b936	83	typedef char (bus_get_dev_path)(DeviceState *dev);
21150814 GN	84	/*
	85	* This callback is used to create Open Firmware device path in accordance with
	86	* OF spec http://forthworks.com/standards/of1275.pdf. Indicidual bus bindings
	87	* can be found here http://playground.sun.com/1275/bindings/.
	88	*/
	89	typedef char (bus_get_fw_dev_path)(DeviceState *dev);
b4694b7c	90	typedef int (qbus_resetfn)(BusState *bus);
6772b936	91
10c4c98a GH	92	struct BusInfo {
	93	const char *name;
	94	size_t size;
	95	bus_dev_printfn print_dev;
6772b936	96	bus_get_dev_path get_dev_path;
21150814	97	bus_get_fw_dev_path get_fw_dev_path;
b4694b7c	98	qbus_resetfn *reset;
ee6847d1	99	Property *props;
10c4c98a	100	};
02e2da45 PB	101
	102	struct BusState {
	103	DeviceState *parent;
10c4c98a	104	BusInfo *info;
02e2da45	105	const char *name;
3418bd25	106	int allow_hotplug;
cd739fb6	107	int qdev_allocated;
f48a7a6e	108	QTAILQ_HEAD(ChildrenHead, DeviceState) children;
72cf2d4f	109	QLIST_ENTRY(BusState) sibling;
aae9460e PB	110	};
aae9460e PB	111
ee6847d1 GH	112	struct Property {
	113	const char *name;
	114	PropertyInfo *info;
	115	int offset;
4f2d3d70 PB	116	uint8_t bitnr;
	117	uint8_t qtype;
	118	int64_t defval;
ee6847d1 GH	119	};
ee6847d1 GH	120
ee6847d1 GH	121	struct PropertyInfo {
ee6847d1 GH	122	const char *name;
cafe5bdb	123	const char *legacy_name;
1ce05125	124	const char **enum_table;
80e555c2 PB	125	int64_t min;
80e555c2 PB	126	int64_t max;
ee6847d1 GH	127	int (parse)(DeviceState dev, Property prop, const char str);
ee6847d1 GH	128	int (print)(DeviceState dev, Property prop, char dest, size_t len);
57c9fafe AL	129	ObjectPropertyAccessor *get;
57c9fafe AL	130	ObjectPropertyAccessor *set;
dd0ba250	131	ObjectPropertyRelease *release;
ee6847d1 GH	132	};
ee6847d1 GH	133
458fb679	134	typedef struct GlobalProperty {
b6b61144 GH	135	const char *driver;
	136	const char *property;
	137	const char *value;
458fb679 GH	138	QTAILQ_ENTRY(GlobalProperty) next;
458fb679 GH	139	} GlobalProperty;
b6b61144	140
aae9460e PB	141	/* Board API. This should go away once we have a machine config file. */
aae9460e PB	142
02e2da45	143	DeviceState qdev_create(BusState bus, const char *name);
0bcdeda7	144	DeviceState qdev_try_create(BusState bus, const char *name);
a369da5f	145	bool qdev_exists(const char *name);
ff952ba2	146	int qdev_device_help(QemuOpts *opts);
f31d07d1	147	DeviceState qdev_device_add(QemuOpts opts);
747bbdf7	148	int qdev_init(DeviceState *dev) QEMU_WARN_UNUSED_RESULT;
e23a1b33	149	void qdev_init_nofail(DeviceState *dev);
4d2ffa08 JK	150	void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
4d2ffa08 JK	151	int required_for_version);
56f9107e	152	void qdev_unplug(DeviceState dev, Error *errp);
02e2da45	153	void qdev_free(DeviceState *dev);
3418bd25 GH	154	int qdev_simple_unplug_cb(DeviceState *dev);
3418bd25 GH	155	void qdev_machine_creation_done(void);
0ac8ef71	156	bool qdev_machine_modified(void);
aae9460e	157
aae9460e PB	158	qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
	159	void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin);
	160
02e2da45	161	BusState qdev_get_child_bus(DeviceState dev, const char *name);
4d6ae674	162
aae9460e PB	163	/* Device API. */
aae9460e PB	164
aae9460e	165	/* Register device properties. */
067a3ddc	166	/* GPIO inputs also double as IRQ sinks. */
aae9460e PB	167	void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
	168	void qdev_init_gpio_out(DeviceState dev, qemu_irq pins, int n);
	169
02e2da45	170	BusState qdev_get_parent_bus(DeviceState dev);
aae9460e	171
02e2da45 PB	172	/* BUS API. */
02e2da45 PB	173
a2ee6b4f IY	174	DeviceState qdev_find_recursive(BusState bus, const char *id);
a2ee6b4f IY	175
81699d8a AL	176	/* Returns 0 to walk children, > 0 to skip walk, < 0 to terminate walk. */
	177	typedef int (qbus_walkerfn)(BusState bus, void opaque);
	178	typedef int (qdev_walkerfn)(DeviceState dev, void opaque);
	179
cd739fb6 GH	180	void qbus_create_inplace(BusState bus, BusInfo info,
cd739fb6 GH	181	DeviceState parent, const char name);
10c4c98a	182	BusState qbus_create(BusInfo info, DeviceState parent, const char name);
81699d8a AL	183	/* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
	184	* < 0 if either devfn or busfn terminate walk somewhere in cursion,
	185	* 0 otherwise. */
	186	int qbus_walk_children(BusState bus, qdev_walkerfn devfn,
	187	qbus_walkerfn busfn, void opaque);
	188	int qdev_walk_children(DeviceState dev, qdev_walkerfn devfn,
	189	qbus_walkerfn busfn, void opaque);
5af0a04b	190	void qdev_reset_all(DeviceState *dev);
80376c3f IY	191	void qbus_reset_all_fn(void *opaque);
80376c3f IY	192
131ec1bd	193	void qbus_free(BusState *bus);
02e2da45 PB	194
	195	#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
	196
ec990eb6 AL	197	/* This should go away once we get rid of the NULL bus hack */
	198	BusState *sysbus_get_default(void);
	199
cae4956e GH	200	/* monitor commands */
	201
	202	void do_info_qtree(Monitor *mon);
f6c64e0e	203	void do_info_qdm(Monitor *mon);
8bc27249	204	int do_device_add(Monitor mon, const QDict qdict, QObject **ret_data);
17a38eaa	205	int do_device_del(Monitor mon, const QDict qdict, QObject **ret_data);
cae4956e	206
ee6847d1 GH	207	/* qdev-properties.c */
ee6847d1 GH	208
d2364ee4	209	extern PropertyInfo qdev_prop_bit;
c7cc172d	210	extern PropertyInfo qdev_prop_uint8;
ee6847d1 GH	211	extern PropertyInfo qdev_prop_uint16;
ee6847d1 GH	212	extern PropertyInfo qdev_prop_uint32;
316940b0	213	extern PropertyInfo qdev_prop_int32;
5a053d1f	214	extern PropertyInfo qdev_prop_uint64;
6835678c	215	extern PropertyInfo qdev_prop_hex8;
ee6847d1	216	extern PropertyInfo qdev_prop_hex32;
5a053d1f	217	extern PropertyInfo qdev_prop_hex64;
59419663	218	extern PropertyInfo qdev_prop_string;
313feaab	219	extern PropertyInfo qdev_prop_chr;
ee6847d1 GH	220	extern PropertyInfo qdev_prop_ptr;
ee6847d1 GH	221	extern PropertyInfo qdev_prop_macaddr;
4e4fa398	222	extern PropertyInfo qdev_prop_losttickpolicy;
14b41872	223	extern PropertyInfo qdev_prop_drive;
851bec09 GH	224	extern PropertyInfo qdev_prop_netdev;
851bec09 GH	225	extern PropertyInfo qdev_prop_vlan;
05cb5fe4	226	extern PropertyInfo qdev_prop_pci_devfn;
02fda01c	227	extern PropertyInfo qdev_prop_blocksize;
ee6847d1	228
cf12b95b GH	229	#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
	230	.name = (_name), \
	231	.info = &(_prop), \
	232	.offset = offsetof(_state, _field) \
	233	+ type_check(_type,typeof_field(_state, _field)), \
	234	}
	235	#define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
	236	.name = (_name), \
	237	.info = &(_prop), \
	238	.offset = offsetof(_state, _field) \
	239	+ type_check(_type,typeof_field(_state, _field)), \
4f2d3d70 PB	240	.qtype = QTYPE_QINT, \
4f2d3d70 PB	241	.defval = (_type)_defval, \
cf12b95b	242	}
d2364ee4 MT	243	#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) { \
	244	.name = (_name), \
	245	.info = &(qdev_prop_bit), \
	246	.bitnr = (_bit), \
	247	.offset = offsetof(_state, _field) \
	248	+ type_check(uint32_t,typeof_field(_state, _field)), \
4f2d3d70 PB	249	.qtype = QTYPE_QBOOL, \
4f2d3d70 PB	250	.defval = (bool)_defval, \
d2364ee4	251	}
cf12b95b	252
c7cc172d JQ	253	#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
c7cc172d JQ	254	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
cf12b95b GH	255	#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
	256	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
	257	#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
	258	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
316940b0 GH	259	#define DEFINE_PROP_INT32(_n, _s, _f, _d) \
316940b0 GH	260	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t)
cf12b95b GH	261	#define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
cf12b95b GH	262	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
6835678c JK	263	#define DEFINE_PROP_HEX8(_n, _s, _f, _d) \
6835678c JK	264	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex8, uint8_t)
cf12b95b GH	265	#define DEFINE_PROP_HEX32(_n, _s, _f, _d) \
	266	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t)
	267	#define DEFINE_PROP_HEX64(_n, _s, _f, _d) \
	268	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t)
	269	#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
	270	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t)
	271
	272	#define DEFINE_PROP_PTR(_n, _s, _f) \
	273	DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
313feaab GH	274	#define DEFINE_PROP_CHR(_n, _s, _f) \
313feaab GH	275	DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
59419663 GH	276	#define DEFINE_PROP_STRING(_n, _s, _f) \
59419663 GH	277	DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
2ef924b4 GH	278	#define DEFINE_PROP_NETDEV(_n, _s, _f) \
2ef924b4 GH	279	DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, VLANClientState*)
851bec09 GH	280	#define DEFINE_PROP_VLAN(_n, _s, _f) \
851bec09 GH	281	DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, VLANState*)
f8b6cc00 MA	282	#define DEFINE_PROP_DRIVE(_n, _s, _f) \
f8b6cc00 MA	283	DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *)
cf12b95b	284	#define DEFINE_PROP_MACADDR(_n, _s, _f) \
1503fff3	285	DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
4e4fa398 JK	286	#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
	287	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
	288	LostTickPolicy)
02fda01c SH	289	#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \
02fda01c SH	290	DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t)
cf12b95b GH	291
	292	#define DEFINE_PROP_END_OF_LIST() \
	293	{}
	294
ee6847d1 GH	295	/* Set properties between creation and init. */
ee6847d1 GH	296	void qdev_get_prop_ptr(DeviceState dev, Property *prop);
d8ed79ae	297	int qdev_prop_exists(DeviceState dev, const char name);
ee6847d1	298	int qdev_prop_parse(DeviceState dev, const char name, const char *value);
f4594a3b	299	void qdev_prop_set_bit(DeviceState dev, const char name, bool value);
c7cc172d	300	void qdev_prop_set_uint8(DeviceState dev, const char name, uint8_t value);
ee6847d1 GH	301	void qdev_prop_set_uint16(DeviceState dev, const char name, uint16_t value);
ee6847d1 GH	302	void qdev_prop_set_uint32(DeviceState dev, const char name, uint32_t value);
316940b0	303	void qdev_prop_set_int32(DeviceState dev, const char name, int32_t value);
5a053d1f	304	void qdev_prop_set_uint64(DeviceState dev, const char name, uint64_t value);
cc984673	305	void qdev_prop_set_string(DeviceState dev, const char name, char *value);
313feaab	306	void qdev_prop_set_chr(DeviceState dev, const char name, CharDriverState *value);
2ef924b4	307	void qdev_prop_set_netdev(DeviceState dev, const char name, VLANClientState *value);
851bec09	308	void qdev_prop_set_vlan(DeviceState dev, const char name, VLANState *value);
18846dee MA	309	int qdev_prop_set_drive(DeviceState dev, const char name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT;
18846dee MA	310	void qdev_prop_set_drive_nofail(DeviceState dev, const char name, BlockDriverState *value);
1503fff3	311	void qdev_prop_set_macaddr(DeviceState dev, const char name, uint8_t *value);
9b170e60	312	void qdev_prop_set_enum(DeviceState dev, const char name, int value);
ee6847d1 GH	313	/* FIXME: Remove opaque pointer properties. */
	314	void qdev_prop_set_ptr(DeviceState dev, const char name, void *value);
	315	void qdev_prop_set_defaults(DeviceState dev, Property props);
	316
458fb679 GH	317	void qdev_prop_register_global_list(GlobalProperty *props);
458fb679 GH	318	void qdev_prop_set_globals(DeviceState *dev);
7db4c4e8 PB	319	void error_set_from_qdev_prop_error(Error *errp, int ret, DeviceState dev,
7db4c4e8 PB	320	Property prop, const char value);
b6b61144	321
1ca4d09a	322	char qdev_get_fw_dev_path(DeviceState dev);
4be9f0d1	323
a9ff9df1 BS	324	/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
	325	extern struct BusInfo system_bus_info;
	326
a5296ca9	327	/**
ca2cc788 PB	328	* @qdev_property_add_static - add a @Property to a device referencing a
ca2cc788 PB	329	* field in a struct.
a5296ca9	330	*/
ca2cc788	331	void qdev_property_add_static(DeviceState dev, Property prop, Error **errp);
a5296ca9	332
1de81d28 AL	333	/**
	334	* @qdev_machine_init
	335	*
	336	* Initialize platform devices before machine init. This is a hack until full
	337	* support for composition is added.
	338	*/
	339	void qdev_machine_init(void);
	340
94afdadc AL	341	/**
	342	* @device_reset
	343	*
	344	* Reset a single device (by calling the reset method).
	345	*/
	346	void device_reset(DeviceState *dev);
	347
4be9f0d1 AL	348	const VMStateDescription qdev_get_vmsd(DeviceState dev);
	349
	350	const char qdev_fw_name(DeviceState dev);
	351
	352	BusInfo qdev_get_bus_info(DeviceState dev);
	353
	354	Property qdev_get_props(DeviceState dev);
	355
f05f6b4a PB	356	Object *qdev_get_machine(void);
f05f6b4a PB	357
9fbe6127 AL	358	/* FIXME: make this a link<> */
	359	void qdev_set_parent_bus(DeviceState dev, BusState bus);
	360
ee46d8a5 AL	361	extern int qdev_hotplug;
ee46d8a5 AL	362
aae9460e	363	#endif