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IOCTL_1394_CLASS IOCTL (1394.h)

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An IEEE 1394 driver uses the IRP_MJ_INTERNAL_DEVICE_CONTROL IRP, with IoControlCode IOCTL_1394_CLASS, to communicate with the bus driver. The driver has access to all operations provided by the IEEE 1394 bus and its host controller through this request.

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

Parameters->Others.Arguments1 points to an IRB structure. The FunctionNumber member of the IRB specifies the type of request. The u member of the IRB is a union that specifies the request-type-specific parameters of the request. The parameters and their meaning are documented with each request.

Legal requests are as follows:

REQUEST_ALLOCATE_ADDRESS_RANGE

REQUEST_ASYNC_LOCK

REQUEST_ASYNC_READ

REQUEST_ASYNC_STREAM

REQUEST_ASYNC_WRITE

REQUEST_BUS_RESET

REQUEST_BUS_RESET_NOTIFICATION

REQUEST_CONTROL

REQUEST_FREE_ADDRESS_RANGE

REQUEST_GET_ADDR_FROM_DEVICE_OBJECT

REQUEST_GET_CONFIGURATION_INFO

REQUEST_GET_GENERATION_COUNT

REQUEST_GET_LOCAL_HOST_INFO

REQUEST_GET_SPEED_BETWEEN_DEVICES

REQUEST_GET_SPEED_TOPOLOGY_MAPS

REQUEST_ISOCH_ALLOCATE_BANDWIDTH

REQUEST_ISOCH_ALLOCATE_CHANNEL

REQUEST_ISOCH_ALLOCATE_RESOURCES

REQUEST_ISOCH_ATTACH_BUFFERS

REQUEST_ISOCH_DETACH_BUFFERS

REQUEST_ISOCH_FREE_BANDWIDTH

REQUEST_ISOCH_FREE_CHANNEL

REQUEST_ISOCH_FREE_RESOURCES

REQUEST_ISOCH_LISTEN

REQUEST_ISOCH_QUERY_CYCLE_TIME

REQUEST_ISOCH_QUERY_RESOURCES

REQUEST_ISOCH_SET_CHANNEL_BANDWIDTH

REQUEST_ISOCH_STOP

REQUEST_ISOCH_TALK

REQUEST_SEND_PHY_CONFIG_PACKET

REQUEST_SET_DEVICE_XMIT_PROPERTIES

REQUEST_SET_LOCAL_HOST_PROPERTIES

Output buffer

Parameters->Others.Arguments1 points to the IRB structure passed as input. As part of completing the request, the bus driver fills in certain members of the u member with information for the driver. The returned information is documented below with each request.

Status block

The information the bus driver returns in the I/O Status Block is documented below with each request.

Requirements

Requirement Value
Header 1394.h (include 1394.h)

See also

IOCTL_IEEE1394_API_REQUEST