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Extensible Firmware Interface Specification
13-16 12/01/02 Version 1.10
EFI_SCSI_PASS_THRU_PROTOCOL.ResetChannel()
Summary
Resets a SCSI channel. This operation resets all the SCSI devices connected to the SCSI channel.
Prototype
typedef
EFI_STATUS
(EFIAPI *EFI_SCSI_PASS_THRU_RESET_CHANNEL) (
IN EFI_SCSI_PASS_THRU_PROTOCOL *This
);
Parameters
This A pointer to the EFI_SCSI_PASS_THRU_PROTOCOL
instance. Type EFI_SCSI_PASS_THRU_PROTOCOL is
defined in Section 13.1.
Description
The EFI_SCSI_PASS_THRU_PROTOCOL.ResetChannel() function resets a SCSI channel.
This operation resets all the SCSI devices connected to the SCSI channel. If this SCSI channel
does not support a reset operation, then EFI_UNSUPPORTED is returned. If a device error occurs
while executing that channel reset operation, then EFI_DEVICE_ERROR is returned. If a timeout
occurs during the execution of the channel reset operation, then EFI_TIMEOUT is returned. If the
channel reset operation is completed, then EFI_SUCCESS is returned.
Status Codes Returned
EFI_SUCCESS The SCSI channel was reset.
EFI_UNSUPPORTED The SCSI channel does not support a channel reset operation.
EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI channel.
EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI channel.