2009-05-15 05:35:06 +08:00
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#ifndef QDEV_H
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#define QDEV_H
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#include "hw.h"
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2009-07-31 18:25:40 +08:00
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#include "sysemu.h"
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2009-05-23 07:05:19 +08:00
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#include "sys-queue.h"
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2009-08-03 23:35:18 +08:00
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#include "qemu-char.h"
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2009-07-31 18:25:37 +08:00
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#include "qemu-option.h"
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2009-05-15 05:35:06 +08:00
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2009-07-15 19:43:31 +08:00
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typedef struct Property Property;
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typedef struct PropertyInfo PropertyInfo;
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typedef struct CompatProperty CompatProperty;
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typedef struct DeviceInfo DeviceInfo;
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typedef struct BusState BusState;
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typedef struct BusInfo BusInfo;
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/* This structure should not be accessed directly. We declare it here
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so that it can be embedded in individual device state structures. */
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struct DeviceState {
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const char *id;
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DeviceInfo *info;
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BusState *parent_bus;
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int num_gpio_out;
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qemu_irq *gpio_out;
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int num_gpio_in;
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qemu_irq *gpio_in;
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LIST_HEAD(, BusState) child_bus;
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int num_child_bus;
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NICInfo *nd;
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LIST_ENTRY(DeviceState) sibling;
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};
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typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent);
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struct BusInfo {
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const char *name;
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size_t size;
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bus_dev_printfn print_dev;
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Property *props;
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};
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struct BusState {
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DeviceState *parent;
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BusInfo *info;
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const char *name;
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LIST_HEAD(, DeviceState) children;
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LIST_ENTRY(BusState) sibling;
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};
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struct Property {
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const char *name;
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PropertyInfo *info;
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int offset;
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void *defval;
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};
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enum PropertyType {
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PROP_TYPE_UNSPEC = 0,
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PROP_TYPE_UINT16,
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PROP_TYPE_UINT32,
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PROP_TYPE_UINT64,
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PROP_TYPE_TADDR,
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PROP_TYPE_MACADDR,
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PROP_TYPE_DRIVE,
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PROP_TYPE_CHR,
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PROP_TYPE_PTR,
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};
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struct PropertyInfo {
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const char *name;
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size_t size;
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enum PropertyType type;
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int (*parse)(DeviceState *dev, Property *prop, const char *str);
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int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
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};
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2009-07-15 19:48:21 +08:00
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struct CompatProperty {
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const char *driver;
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const char *property;
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const char *value;
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};
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/*** Board API. This should go away once we have a machine config file. ***/
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DeviceState *qdev_create(BusState *bus, const char *name);
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DeviceState *qdev_device_add(QemuOpts *opts);
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int qdev_init(DeviceState *dev);
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void qdev_free(DeviceState *dev);
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qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
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void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin);
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BusState *qdev_get_child_bus(DeviceState *dev, const char *name);
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/*** Device API. ***/
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typedef int (*qdev_initfn)(DeviceState *dev, DeviceInfo *info);
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typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,
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int unit);
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struct DeviceInfo {
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const char *name;
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const char *alias;
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const char *desc;
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size_t size;
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Property *props;
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int no_user;
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/* Private to qdev / bus. */
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qdev_initfn init;
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BusInfo *bus_info;
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struct DeviceInfo *next;
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};
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void qdev_register(DeviceInfo *info);
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/* Register device properties. */
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/* GPIO inputs also double as IRQ sinks. */
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void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
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void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);
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void scsi_bus_new(DeviceState *host, SCSIAttachFn attach);
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CharDriverState *qdev_init_chardev(DeviceState *dev);
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BusState *qdev_get_parent_bus(DeviceState *dev);
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/* Convery from a base type to a parent type, with compile time checking. */
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#ifdef __GNUC__
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#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
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char __attribute__((unused)) offset_must_be_zero[ \
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-offsetof(type, field)]; \
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container_of(dev, type, field);}))
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#else
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#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
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#endif
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/*** BUS API. ***/
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BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name);
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#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
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2009-06-05 22:53:17 +08:00
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/*** monitor commands ***/
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void do_info_qtree(Monitor *mon);
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void do_info_qdm(Monitor *mon);
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/*** qdev-properties.c ***/
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extern PropertyInfo qdev_prop_uint16;
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extern PropertyInfo qdev_prop_uint32;
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extern PropertyInfo qdev_prop_uint64;
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extern PropertyInfo qdev_prop_hex32;
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extern PropertyInfo qdev_prop_hex64;
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extern PropertyInfo qdev_prop_chr;
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extern PropertyInfo qdev_prop_ptr;
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extern PropertyInfo qdev_prop_macaddr;
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extern PropertyInfo qdev_prop_drive;
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extern PropertyInfo qdev_prop_pci_devfn;
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#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
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.name = (_name), \
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.info = &(_prop), \
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.offset = offsetof(_state, _field) \
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+ type_check(_type,typeof_field(_state, _field)), \
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}
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#define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
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.name = (_name), \
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.info = &(_prop), \
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.offset = offsetof(_state, _field) \
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+ type_check(_type,typeof_field(_state, _field)), \
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.defval = (_type[]) { _defval }, \
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}
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#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
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#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
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#define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
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#define DEFINE_PROP_HEX32(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t)
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#define DEFINE_PROP_HEX64(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t)
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#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t)
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#define DEFINE_PROP_PTR(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
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#define DEFINE_PROP_CHR(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
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#define DEFINE_PROP_DRIVE(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_drive, DriveInfo*)
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#define DEFINE_PROP_MACADDR(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, uint8_t[6])
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#define DEFINE_PROP_END_OF_LIST() \
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{}
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2009-07-15 19:43:31 +08:00
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/* Set properties between creation and init. */
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
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int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
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void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type);
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void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
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void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
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void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
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void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
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void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value);
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/* FIXME: Remove opaque pointer properties. */
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void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);
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void qdev_prop_set_defaults(DeviceState *dev, Property *props);
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2009-07-15 19:48:21 +08:00
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void qdev_prop_register_compat(CompatProperty *props);
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void qdev_prop_set_compat(DeviceState *dev);
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2009-07-17 19:18:53 +08:00
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/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
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extern struct BusInfo system_bus_info;
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2009-05-15 05:35:06 +08:00
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#endif
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