Specifications

106 Version 2.0
dh
Summary
Displays the device handles in the UEFI environment.
Usage
dh [-l <lang>] [handle | -p <prot_id>] [-d] [-v]
Options
handle
Specific handle to dump information about (a hexadecimal number). If not
present, then all information will be dumped.
-p
Dumps all handles of a protocol specified by the GUID.
-d
Dumps UEFI Driver Model-related information.
-l
Dumps information using the language codes, as described in Appendix M of the
UEFI specification.
-sfo
Displays information as described in “Standard-Format Output” below.
-v, -verbose
Dumps verbose information about a specific handle.
Description
This command displays the device handles in the EFI environment. If this command is
used with a specific handle number, the details of all the protocols that are associated
with that device handle are displayed. Otherwise, the -p option can be used to list the
device handles that contain a specific protocol.
If neither –p or handle is specified, then all handles will be displayed.
Status Codes Returned
SHELL_SUCCESS The action was completed as requested.
SHELL_SECURITY_VIOLATION This function was not performed due to a security violation
SHELL_INVALID_PARAMETER One of the passed in parameters was incorrectly formatted or its
value was out of bounds.