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b000dfbd42
Now we have error_setg() we can improve the error message emitted if you attempt to set a property of a device after the device is realized (the previous message was "permission denied" which was not very informative). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1364218844-7509-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
182 lines
9.1 KiB
C
182 lines
9.1 KiB
C
#ifndef QEMU_QDEV_PROPERTIES_H
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#define QEMU_QDEV_PROPERTIES_H
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#include "hw/qdev-core.h"
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/*** qdev-properties.c ***/
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extern PropertyInfo qdev_prop_bit;
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extern PropertyInfo qdev_prop_uint8;
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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_int32;
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extern PropertyInfo qdev_prop_uint64;
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extern PropertyInfo qdev_prop_hex8;
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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_string;
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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_losttickpolicy;
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extern PropertyInfo qdev_prop_bios_chs_trans;
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extern PropertyInfo qdev_prop_drive;
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extern PropertyInfo qdev_prop_netdev;
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extern PropertyInfo qdev_prop_vlan;
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extern PropertyInfo qdev_prop_pci_devfn;
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extern PropertyInfo qdev_prop_blocksize;
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extern PropertyInfo qdev_prop_pci_host_devaddr;
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extern PropertyInfo qdev_prop_arraylen;
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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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.qtype = QTYPE_QINT, \
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.defval = (_type)_defval, \
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}
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#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) { \
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.name = (_name), \
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.info = &(qdev_prop_bit), \
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.bitnr = (_bit), \
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.offset = offsetof(_state, _field) \
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+ type_check(uint32_t,typeof_field(_state, _field)), \
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.qtype = QTYPE_QBOOL, \
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.defval = (bool)_defval, \
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}
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#define PROP_ARRAY_LEN_PREFIX "len-"
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/**
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* DEFINE_PROP_ARRAY:
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* @_name: name of the array
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* @_state: name of the device state structure type
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* @_field: uint32_t field in @_state to hold the array length
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* @_arrayfield: field in @_state (of type '@_arraytype *') which
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* will point to the array
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* @_arrayprop: PropertyInfo defining what property the array elements have
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* @_arraytype: C type of the array elements
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*
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* Define device properties for a variable-length array _name. A
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* static property "len-arrayname" is defined. When the device creator
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* sets this property to the desired length of array, further dynamic
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* properties "arrayname[0]", "arrayname[1]", ... are defined so the
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* device creator can set the array element values. Setting the
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* "len-arrayname" property more than once is an error.
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*
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* When the array length is set, the @_field member of the device
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* struct is set to the array length, and @_arrayfield is set to point
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* to (zero-initialised) memory allocated for the array. For a zero
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* length array, @_field will be set to 0 and @_arrayfield to NULL.
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* It is the responsibility of the device deinit code to free the
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* @_arrayfield memory.
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*/
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#define DEFINE_PROP_ARRAY(_name, _state, _field, \
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_arrayfield, _arrayprop, _arraytype) { \
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.name = (PROP_ARRAY_LEN_PREFIX _name), \
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.info = &(qdev_prop_arraylen), \
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.offset = offsetof(_state, _field) \
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+ type_check(uint32_t, typeof_field(_state, _field)), \
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.qtype = QTYPE_QINT, \
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.arrayinfo = &(_arrayprop), \
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.arrayfieldsize = sizeof(_arraytype), \
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.arrayoffset = offsetof(_state, _arrayfield), \
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}
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#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
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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_INT32(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_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_HEX8(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex8, uint8_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, int32_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_STRING(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
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#define DEFINE_PROP_NETDEV(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, NICPeers)
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#define DEFINE_PROP_VLAN(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
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#define DEFINE_PROP_DRIVE(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *)
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#define DEFINE_PROP_MACADDR(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
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#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
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LostTickPolicy)
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#define DEFINE_PROP_BIOS_CHS_TRANS(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int)
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#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \
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DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t)
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#define DEFINE_PROP_PCI_HOST_DEVADDR(_n, _s, _f) \
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DEFINE_PROP(_n, _s, _f, qdev_prop_pci_host_devaddr, PCIHostDeviceAddress)
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#define DEFINE_PROP_END_OF_LIST() \
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{}
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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_bit(DeviceState *dev, const char *name, bool value);
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void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
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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_int32(DeviceState *dev, const char *name, int32_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_string(DeviceState *dev, const char *name, const char *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_netdev(DeviceState *dev, const char *name, NetClientState *value);
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int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT;
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void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value);
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void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
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void qdev_prop_set_enum(DeviceState *dev, const char *name, int 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_register_global(GlobalProperty *prop);
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void qdev_prop_register_global_list(GlobalProperty *props);
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void qdev_prop_set_globals(DeviceState *dev);
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void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
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Property *prop, const char *value);
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/**
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* @qdev_property_add_static - add a @Property to a device referencing a
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* field in a struct.
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*/
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void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);
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/**
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* @qdev_prop_set_after_realize:
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* @dev: device
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* @name: name of property
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* @errp: indirect pointer to Error to be set
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* Set the Error object to report that an attempt was made to set a property
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* on a device after it has already been realized. This is a utility function
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* which allows property-setter functions to easily report the error in
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* a friendly format identifying both the device and the property.
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*/
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void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
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Error **errp);
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#endif
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