diff options
Diffstat (limited to 'hw/qdev.h')
| -rw-r--r-- | hw/qdev.h | 370 |
1 files changed, 4 insertions, 366 deletions
@@ -1,371 +1,9 @@ #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 BusClass BusClass; - -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; - const char *bus_type; -} 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; - int instance_id_alias; - int alias_required_for_version; -}; - -#define TYPE_BUS "bus" -#define BUS(obj) OBJECT_CHECK(BusState, (obj), TYPE_BUS) -#define BUS_CLASS(klass) OBJECT_CLASS_CHECK(BusClass, (klass), TYPE_BUS) -#define BUS_GET_CLASS(obj) OBJECT_GET_CLASS(BusClass, (obj), TYPE_BUS) - -struct BusClass { - ObjectClass parent_class; - - /* FIXME first arg should be BusState */ - void (*print_dev)(Monitor *mon, DeviceState *dev, int indent); - char *(*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. Individual bus - * bindings can be found at http://playground.sun.com/1275/bindings/. - */ - char *(*get_fw_dev_path)(DeviceState *dev); - int (*reset)(BusState *bus); -}; - -typedef struct BusChild { - DeviceState *child; - int index; - QTAILQ_ENTRY(BusChild) sibling; -} BusChild; - -/** - * BusState: - * @qom_allocated: Indicates whether the object was allocated by QOM. - * @glib_allocated: Indicates whether the object was initialized in-place - * yet is expected to be freed with g_free(). - */ -struct BusState { - Object obj; - DeviceState *parent; - const char *name; - int allow_hotplug; - bool qom_allocated; - bool glib_allocated; - int max_index; - QTAILQ_HEAD(ChildrenHead, BusChild) 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; - 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); -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, const char *typename, - DeviceState *parent, const char *name); -BusState *qbus_create(const char *typename, 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_bios_chs_trans; -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; -extern PropertyInfo qdev_prop_pci_host_devaddr; - -#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, int32_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, NetClientState*) -#define DEFINE_PROP_VLAN(_n, _s, _f) \ - DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NetClientState*) -#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_BIOS_CHS_TRANS(_n, _s, _f, _d) \ - DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int) -#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \ - DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t) -#define DEFINE_PROP_PCI_HOST_DEVADDR(_n, _s, _f) \ - DEFINE_PROP(_n, _s, _f, qdev_prop_pci_host_devaddr, PCIHostDeviceAddress) - -#define DEFINE_PROP_END_OF_LIST() \ - {} - -/* Set properties between creation and init. */ -void *qdev_get_prop_ptr(DeviceState *dev, Property *prop); -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, const char *value); -void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value); -void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *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_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); - -/** - * @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); - -Object *qdev_get_machine(void); - -/* FIXME: make this a link<> */ -void qdev_set_parent_bus(DeviceState *dev, BusState *bus); - -extern int qdev_hotplug; - -char *qdev_get_dev_path(DeviceState *dev); +#include "hw/hw.h" +#include "qdev-core.h" +#include "qdev-properties.h" +#include "qdev-monitor.h" #endif |