#ifndef QEMU_QDEV_PROPERTIES_H #define QEMU_QDEV_PROPERTIES_H #include "hw/qdev-core.h" /*** qdev-properties.c ***/ extern PropertyInfo qdev_prop_bit; extern PropertyInfo qdev_prop_bit64; extern PropertyInfo qdev_prop_bool; 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_size; extern PropertyInfo qdev_prop_string; extern PropertyInfo qdev_prop_chr; extern PropertyInfo qdev_prop_ptr; extern PropertyInfo qdev_prop_macaddr; extern PropertyInfo qdev_prop_on_off_auto; extern PropertyInfo qdev_prop_losttickpolicy; extern PropertyInfo qdev_prop_blockdev_on_error; extern PropertyInfo qdev_prop_bios_chs_trans; extern PropertyInfo qdev_prop_fdc_drive_type; 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; extern PropertyInfo qdev_prop_arraylen; extern PropertyInfo qdev_prop_link; #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_SIGNED(_name, _state, _field, _defval, _prop, _type) { \ .name = (_name), \ .info = &(_prop), \ .offset = offsetof(_state, _field) \ + type_check(_type,typeof_field(_state, _field)), \ .defval.i = (_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)), \ .defval.u = (bool)_defval, \ } #define DEFINE_PROP_UNSIGNED(_name, _state, _field, _defval, _prop, _type) { \ .name = (_name), \ .info = &(_prop), \ .offset = offsetof(_state, _field) \ + type_check(_type, typeof_field(_state, _field)), \ .defval.u = (_type)_defval, \ } #define DEFINE_PROP_BIT64(_name, _state, _field, _bit, _defval) { \ .name = (_name), \ .info = &(qdev_prop_bit64), \ .bitnr = (_bit), \ .offset = offsetof(_state, _field) \ + type_check(uint64_t, typeof_field(_state, _field)), \ .defval.u = (bool)_defval, \ } #define DEFINE_PROP_BOOL(_name, _state, _field, _defval) { \ .name = (_name), \ .info = &(qdev_prop_bool), \ .offset = offsetof(_state, _field) \ + type_check(bool, typeof_field(_state, _field)), \ .defval.u = (bool)_defval, \ } #define PROP_ARRAY_LEN_PREFIX "len-" /** * DEFINE_PROP_ARRAY: * @_name: name of the array * @_state: name of the device state structure type * @_field: uint32_t field in @_state to hold the array length * @_arrayfield: field in @_state (of type '@_arraytype *') which * will point to the array * @_arrayprop: PropertyInfo defining what property the array elements have * @_arraytype: C type of the array elements * * Define device properties for a variable-length array _name. A * static property "len-arrayname" is defined. When the device creator * sets this property to the desired length of array, further dynamic * properties "arrayname[0]", "arrayname[1]", ... are defined so the * device creator can set the array element values. Setting the * "len-arrayname" property more than once is an error. * * When the array length is set, the @_field member of the device * struct is set to the array length, and @_arrayfield is set to point * to (zero-initialised) memory allocated for the array. For a zero * length array, @_field will be set to 0 and @_arrayfield to NULL. * It is the responsibility of the device deinit code to free the * @_arrayfield memory. */ #define DEFINE_PROP_ARRAY(_name, _state, _field, \ _arrayfield, _arrayprop, _arraytype) { \ .name = (PROP_ARRAY_LEN_PREFIX _name), \ .info = &(qdev_prop_arraylen), \ .offset = offsetof(_state, _field) \ + type_check(uint32_t, typeof_field(_state, _field)), \ .arrayinfo = &(_arrayprop), \ .arrayfieldsize = sizeof(_arraytype), \ .arrayoffset = offsetof(_state, _arrayfield), \ } #define DEFINE_PROP_LINK(_name, _state, _field, _type, _ptr_type) { \ .name = (_name), \ .info = &(qdev_prop_link), \ .offset = offsetof(_state, _field) \ + type_check(_ptr_type, typeof_field(_state, _field)), \ .link_type = _type, \ } #define DEFINE_PROP_UINT8(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_uint8, uint8_t) #define DEFINE_PROP_UINT16(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_uint16, uint16_t) #define DEFINE_PROP_UINT32(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_uint32, uint32_t) #define DEFINE_PROP_INT32(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_int32, int32_t) #define DEFINE_PROP_UINT64(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_uint64, uint64_t) #define DEFINE_PROP_SIZE(_n, _s, _f, _d) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_size, uint64_t) #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t) /* * Please avoid pointer properties. If you must use them, you must * cover them in their device's class init function as follows: * * - If the property must be set, the device cannot be used with * device_add, so add code like this: * |* Reason: pointer property "NAME-OF-YOUR-PROP" *| * DeviceClass *dc = DEVICE_CLASS(class); * dc->user_creatable = false; * * - If the property may safely remain null, document it like this: * |* * * Note: pointer property "interrupt_vector" may remain null, thus * * no need for dc->user_creatable = false; * *| */ #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, CharBackend) #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, NICPeers) #define DEFINE_PROP_VLAN(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers) #define DEFINE_PROP_DRIVE(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *) #define DEFINE_PROP_MACADDR(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr) #define DEFINE_PROP_ON_OFF_AUTO(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_on_off_auto, OnOffAuto) #define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_losttickpolicy, \ LostTickPolicy) #define DEFINE_PROP_BLOCKDEV_ON_ERROR(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_blockdev_on_error, \ BlockdevOnError) #define DEFINE_PROP_BIOS_CHS_TRANS(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int) #define DEFINE_PROP_BLOCKSIZE(_n, _s, _f) \ DEFINE_PROP_UNSIGNED(_n, _s, _f, 0, 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_MEMORY_REGION(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, MemoryRegion *) #define DEFINE_PROP_END_OF_LIST() \ {} /* Set properties between creation and init. */ void *qdev_get_prop_ptr(DeviceState *dev, Property *prop); 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, Chardev *value); void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value); void qdev_prop_set_drive(DeviceState *dev, const char *name, BlockBackend *value, Error **errp); void qdev_prop_set_macaddr(DeviceState *dev, const char *name, const 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(GlobalProperty *prop); void qdev_prop_register_global_list(GlobalProperty *props); int qdev_prop_check_globals(void); 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); /** * register_compat_prop: * * Register internal (not user-provided) global property, changing the * default value of a given property in a device type. This can be used * for enabling machine-type compatibility or for enabling * accelerator-specific defaults in devices. * * The property values set using this function must be always valid and * never report setter errors, as the property will have * GlobalProperty::errp set to &error_abort. * * User-provided global properties should override internal global * properties, so callers of this function should ensure that it is * called before user-provided global properties are registered. * * @driver: Device type to be affected * @property: Property whose default value is going to be changed * @value: New default value for the property */ void register_compat_prop(const char *driver, const char *property, const char *value); /* * register_compat_props_array(): using register_compat_prop(), which * only registers internal global properties (which has lower priority * than user-provided global properties) */ void register_compat_props_array(GlobalProperty *prop); /** * qdev_property_add_static: * @dev: Device to add the property to. * @prop: The qdev property definition. * @errp: location to store error information. * * Add a static QOM property to @dev for qdev property @prop. * On error, store error in @errp. Static properties access data in a struct. * The type of the QOM property is derived from prop->info. */ void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp); void qdev_alias_all_properties(DeviceState *target, Object *source); /** * @qdev_prop_set_after_realize: * @dev: device * @name: name of property * @errp: indirect pointer to Error to be set * Set the Error object to report that an attempt was made to set a property * on a device after it has already been realized. This is a utility function * which allows property-setter functions to easily report the error in * a friendly format identifying both the device and the property. */ void qdev_prop_set_after_realize(DeviceState *dev, const char *name, Error **errp); /** * qdev_prop_allow_set_link_before_realize: * * Set the #Error object if an attempt is made to set the link after realize. * This function should be used as the check() argument to * object_property_add_link(). */ void qdev_prop_allow_set_link_before_realize(const Object *obj, const char *name, Object *val, Error **errp); #endif