SRB_COMMAND - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// strmini.h

typedef enum _SRB_COMMAND {
  SRB_READ_DATA,
  SRB_WRITE_DATA,
  SRB_GET_STREAM_STATE,
  SRB_SET_STREAM_STATE,
  SRB_SET_STREAM_PROPERTY,
  SRB_GET_STREAM_PROPERTY,
  SRB_OPEN_MASTER_CLOCK,
  SRB_INDICATE_MASTER_CLOCK,
  SRB_UNKNOWN_STREAM_COMMAND,
  SRB_SET_STREAM_RATE,
  SRB_PROPOSE_DATA_FORMAT,
  SRB_CLOSE_MASTER_CLOCK,
  SRB_PROPOSE_STREAM_RATE,
  SRB_SET_DATA_FORMAT,
  SRB_GET_DATA_FORMAT,
  SRB_BEGIN_FLUSH,
  SRB_END_FLUSH,
  SRB_GET_STREAM_INFO,
  SRB_OPEN_STREAM,
  SRB_CLOSE_STREAM,
  SRB_OPEN_DEVICE_INSTANCE,
  SRB_CLOSE_DEVICE_INSTANCE,
  SRB_GET_DEVICE_PROPERTY,
  SRB_SET_DEVICE_PROPERTY,
  SRB_INITIALIZE_DEVICE,
  SRB_CHANGE_POWER_STATE,
  SRB_UNINITIALIZE_DEVICE,
  SRB_UNKNOWN_DEVICE_COMMAND,
  SRB_PAGING_OUT_DRIVER,
  SRB_GET_DATA_INTERSECTION,
  SRB_INITIALIZATION_COMPLETE,
  SRB_SURPRISE_REMOVAL,
  SRB_DEVICE_METHOD,
  SRB_STREAM_METHOD,
  SRB_NOTIFY_IDLE_STATE
} SRB_COMMAND;

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Windows Driver Kit DDI reference (ne-strmini-_srb_command)

_SRB_COMMAND enumeration

Description

Constants

SRB_READ_DATA

Stream-specific code that specifies to read data from hardware.

SRB_WRITE_DATA

Stream-specific code that specifies to write data to the hardware.

SRB_GET_STREAM_STATE

Stream-specific code that specifies to get the state of the stream.

SRB_SET_STREAM_STATE

Stream-specific code that specifies to set the state of the stream.

SRB_SET_STREAM_PROPERTY

Stream-specific code that specifies to set a property of the stream.

SRB_GET_STREAM_PROPERTY

Stream-specific code that specifies to get a property value for the stream.

SRB_OPEN_MASTER_CLOCK

Stream-specific code that indicates that the master clock is on this stream.

SRB_INDICATE_MASTER_CLOCK

Stream-specific code that specifies that the handle is supplied to the master clock.

SRB_UNKNOWN_STREAM_COMMAND

Stream-specific code that specifies that the IRP function is unknown to the class driver.

SRB_SET_STREAM_RATE

Stream-specific code that specifies that the rate is set at which the stream should run.

SRB_PROPOSE_DATA_FORMAT

Stream-specific code that specifies that a new rate is proposed, it does not change the rate.

SRB_CLOSE_MASTER_CLOCK

Stream-specific code that indicates that the master clock is closed.

SRB_PROPOSE_STREAM_RATE

Stream-specific code that indicates a new rate is proposed, it does not change the rate.

SRB_SET_DATA_FORMAT

Stream-specific code that sets a new data format.

SRB_GET_DATA_FORMAT

Stream-specific code that returns the current data format.

SRB_BEGIN_FLUSH

Stream-specific code that begins the flush state.

SRB_END_FLUSH

Stream-specific code that ends the flush state.

SRB_GET_STREAM_INFO

Device instance-specific code that gets the stream information structure.

SRB_OPEN_STREAM

Device instance-specific code that opens the specified stream.

SRB_CLOSE_STREAM

Device instance-specific code that closes the specific stream.

SRB_OPEN_DEVICE_INSTANCE

Device instance-specific code that opens an instance of the device.

SRB_CLOSE_DEVICE_INSTANCE

Device instance-specific code that closes an instance of the device.

SRB_GET_DEVICE_PROPERTY

Device instance-specific code that gets the property of the device.

SRB_SET_DEVICE_PROPERTY

Device instance-specific code that sets the property of the device.

SRB_INITIALIZE_DEVICE

Device instance-specific code that initializes the device.

SRB_CHANGE_POWER_STATE

Device instance-specific code that changes the power state.

SRB_UNINITIALIZE_DEVICE

Device instance-specific code that uninitializes the device.

SRB_UNKNOWN_DEVICE_COMMAND

Device instance-specific code that specifies that the IRP function is unknown to the class driver.

SRB_PAGING_OUT_DRIVER

Device instance-specific code that indicates that the driver is to be paged out only if it is enabled in the registry. Board ints should be disabled and STATUS_SUCCESS returned.

SRB_GET_DATA_INTERSECTION

Device instance-specific code that returns stream data intersection.

SRB_INITIALIZATION_COMPLETE

Device instance-specific code that indicates that the initialization sequence has completed.

SRB_SURPRISE_REMOVAL

Device instance-specific code that indicates a surprise removal of hardware has occurred.

SRB_DEVICE_METHOD

SRB_STREAM_METHOD

SRB_NOTIFY_IDLE_STATE

Device instance-specific code that specifies to call on first open and last close.

View the official Windows Driver Kit DDI reference

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