mirror of https://gitee.com/openkylin/qemu.git
276 lines
9.2 KiB
C
276 lines
9.2 KiB
C
#ifndef QDEV_H
|
|
#define QDEV_H
|
|
|
|
#include "hw.h"
|
|
#include "sysemu.h"
|
|
#include "qemu-queue.h"
|
|
#include "qemu-char.h"
|
|
#include "qemu-option.h"
|
|
|
|
typedef struct Property Property;
|
|
|
|
typedef struct PropertyInfo PropertyInfo;
|
|
|
|
typedef struct CompatProperty CompatProperty;
|
|
|
|
typedef struct DeviceInfo DeviceInfo;
|
|
|
|
typedef struct BusState BusState;
|
|
|
|
typedef struct BusInfo BusInfo;
|
|
|
|
enum DevState {
|
|
DEV_STATE_CREATED = 1,
|
|
DEV_STATE_INITIALIZED,
|
|
};
|
|
|
|
/* This structure should not be accessed directly. We declare it here
|
|
so that it can be embedded in individual device state structures. */
|
|
struct DeviceState {
|
|
const char *id;
|
|
enum DevState state;
|
|
QemuOpts *opts;
|
|
int hotplugged;
|
|
DeviceInfo *info;
|
|
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;
|
|
QLIST_ENTRY(DeviceState) sibling;
|
|
};
|
|
|
|
typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent);
|
|
struct BusInfo {
|
|
const char *name;
|
|
size_t size;
|
|
bus_dev_printfn print_dev;
|
|
Property *props;
|
|
};
|
|
|
|
struct BusState {
|
|
DeviceState *parent;
|
|
BusInfo *info;
|
|
const char *name;
|
|
int allow_hotplug;
|
|
int qdev_allocated;
|
|
QLIST_HEAD(, DeviceState) children;
|
|
QLIST_ENTRY(BusState) sibling;
|
|
};
|
|
|
|
struct Property {
|
|
const char *name;
|
|
PropertyInfo *info;
|
|
int offset;
|
|
void *defval;
|
|
};
|
|
|
|
enum PropertyType {
|
|
PROP_TYPE_UNSPEC = 0,
|
|
PROP_TYPE_UINT8,
|
|
PROP_TYPE_UINT16,
|
|
PROP_TYPE_UINT32,
|
|
PROP_TYPE_INT32,
|
|
PROP_TYPE_UINT64,
|
|
PROP_TYPE_TADDR,
|
|
PROP_TYPE_MACADDR,
|
|
PROP_TYPE_DRIVE,
|
|
PROP_TYPE_CHR,
|
|
PROP_TYPE_STRING,
|
|
PROP_TYPE_NETDEV,
|
|
PROP_TYPE_VLAN,
|
|
PROP_TYPE_PTR,
|
|
};
|
|
|
|
struct PropertyInfo {
|
|
const char *name;
|
|
size_t size;
|
|
enum PropertyType type;
|
|
int (*parse)(DeviceState *dev, Property *prop, const char *str);
|
|
int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
|
|
};
|
|
|
|
struct CompatProperty {
|
|
const char *driver;
|
|
const char *property;
|
|
const char *value;
|
|
};
|
|
|
|
/*** Board API. This should go away once we have a machine config file. ***/
|
|
|
|
DeviceState *qdev_create(BusState *bus, const char *name);
|
|
DeviceState *qdev_device_add(QemuOpts *opts);
|
|
int qdev_init(DeviceState *dev) QEMU_WARN_UNUSED_RESULT;
|
|
void qdev_init_nofail(DeviceState *dev);
|
|
int qdev_unplug(DeviceState *dev);
|
|
void qdev_free(DeviceState *dev);
|
|
int qdev_simple_unplug_cb(DeviceState *dev);
|
|
void qdev_machine_creation_done(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. ***/
|
|
|
|
typedef int (*qdev_initfn)(DeviceState *dev, DeviceInfo *info);
|
|
typedef int (*qdev_event)(DeviceState *dev);
|
|
typedef void (*qdev_resetfn)(DeviceState *dev);
|
|
|
|
struct DeviceInfo {
|
|
const char *name;
|
|
const char *alias;
|
|
const char *desc;
|
|
size_t size;
|
|
Property *props;
|
|
int no_user;
|
|
|
|
/* callbacks */
|
|
qdev_resetfn reset;
|
|
|
|
/* device state */
|
|
const VMStateDescription *vmsd;
|
|
|
|
/* Private to qdev / bus. */
|
|
qdev_initfn init;
|
|
qdev_event unplug;
|
|
qdev_event exit;
|
|
BusInfo *bus_info;
|
|
struct DeviceInfo *next;
|
|
};
|
|
extern DeviceInfo *device_info_list;
|
|
|
|
void qdev_register(DeviceInfo *info);
|
|
|
|
/* 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);
|
|
|
|
CharDriverState *qdev_init_chardev(DeviceState *dev);
|
|
|
|
BusState *qdev_get_parent_bus(DeviceState *dev);
|
|
|
|
/* Convert from a base type to a parent type, with compile time checking. */
|
|
#ifdef __GNUC__
|
|
#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
|
|
char __attribute__((unused)) offset_must_be_zero[ \
|
|
-offsetof(type, field)]; \
|
|
container_of(dev, type, field);}))
|
|
#else
|
|
#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
|
|
#endif
|
|
|
|
/*** BUS API. ***/
|
|
|
|
void qbus_create_inplace(BusState *bus, BusInfo *info,
|
|
DeviceState *parent, const char *name);
|
|
BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name);
|
|
void qbus_free(BusState *bus);
|
|
|
|
#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
|
|
|
|
/*** monitor commands ***/
|
|
|
|
void do_info_qtree(Monitor *mon);
|
|
void do_info_qdm(Monitor *mon);
|
|
void do_device_add(Monitor *mon, const QDict *qdict);
|
|
void do_device_del(Monitor *mon, const QDict *qdict);
|
|
|
|
/*** qdev-properties.c ***/
|
|
|
|
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_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_drive;
|
|
extern PropertyInfo qdev_prop_netdev;
|
|
extern PropertyInfo qdev_prop_vlan;
|
|
extern PropertyInfo qdev_prop_pci_devfn;
|
|
|
|
#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)), \
|
|
.defval = (_type[]) { _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_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, DriveInfo*)
|
|
#define DEFINE_PROP_MACADDR(_n, _s, _f) \
|
|
DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
|
|
|
|
#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(DeviceState *dev, const char *name, void *src, enum PropertyType type);
|
|
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_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);
|
|
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value);
|
|
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *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_compat(CompatProperty *props);
|
|
void qdev_prop_set_compat(DeviceState *dev);
|
|
|
|
/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
|
|
extern struct BusInfo system_bus_info;
|
|
|
|
#endif
|