Description, Status codes returned – Intel Extensible Firmware Interface User Manual
Page 533
Protocols
— SCSI Bus Support
Version 1.10
12/01/02
13-13
Description
The
EFI_SCSI_PASS_THRU_PROTOCOL.BuildDevicePath()
function allocates and
builds a single device path node for the SCSI device specified by
Target
and
Lun
. If the SCSI
device specified by
Target
and
Lun
are not present on the SCSI channel, then
EFI_NOT_FOUND
is returned. If
DevicePath
is
NULL
, then
EFI_INVALID_PARAMETER
is
returned. If there are not enough resources to allocate the device path node, then
EFI_OUT_OF_RESOURCES
is returned. Otherwise,
DevicePath
is allocated with the boot
service
, the contents of
DevicePath
are initialized to describe the SCSI
device specified by
Target
and
Lun
, and
EFI_SUCCESS
is returned.
Status Codes Returned
EFI_SUCCESS
The device path node that describes the SCSI device specified by
Target
and
Lun
was allocated and returned in
DevicePath
.
EFI_NOT_FOUND
The SCSI devices specified by
Target
and
Lun
does not exist
on the SCSI channel.
EFI_INVALID_PARAMETER
DevicePath
is
NULL
.
EFI_OUT_OF_RESOURCES
There are not enough resources to allocate
DevicePath
.