@@ -262,6 +262,25 @@ _devlink_dev_flash()
      esac
 }
 
+# Completion for devlink dev selftests
+_devlink_dev_selftests()
+{
+    case "$cword" in
+        3)
+            COMPREPLY=( $( compgen -W "show run" -- "$cur" ) )
+            return
+            ;;
+        4)
+            _devlink_direct_complete "dev"
+            return
+            ;;
+        5)
+            COMPREPLY=( $( compgen -W "id" -- "$cur" ) )
+            return
+            ;;
+    esac
+}
+
 # Completion for devlink dev
 _devlink_dev()
 {

@@ -274,7 +293,7 @@ _devlink_dev()
             fi
             return
             ;;
-        eswitch|param)
+        eswitch|param|selftests)
             _devlink_dev_$command
             return
             ;;

@@ -85,6 +85,20 @@ devlink-dev \- devlink device configuration
 .I ID
 ]
 
+.ti -8
+.B devlink dev selftests show
+[
+.I DEV
+]
+
+.ti -8
+.B devlink dev selftests run
+.I DEV
+[
+.B id
+.RI "{ " TESTNAME " }"
+]
+
 .SH "DESCRIPTION"
 .SS devlink dev show - display devlink device attributes
 

@@ -249,6 +263,30 @@ should match the component names from
 .B "devlink dev info"
 and may be driver-dependent.
 
+.SS devlink dev selftests show - shows supported selftests on devlink device.
+
+.PP
+.I "DEV"
+- specifies the devlink device.
+If this argument is omitted all selftests for devlink devices are listed.
+
+.SS devlink dev selftests run - runs selftests on devlink device.
+
+.PP
+.I "DEV"
+- specifies the devlink device to execute selftests.
+
+.B id
+{
+.RI { " ID " }
+}
+- The value of
+.I ID
+should match the selftests shown in
+.B "devlink dev selftests show".
+to execute a selftest on the devlink device.
+If this argument is omitted all selftets supported by devlink devices are executed.
+
 .SH "EXAMPLES"
 .PP
 devlink dev show

@@ -296,6 +334,16 @@ Flashing 100%
 .br
 Flashing done
 .RE
+.PP
+devlink dev selftests show pci/0000:01:00.0
+.RS 4
+Shows the supported selftests by the devlink device.
+.RE
+.PP
+devlink dev selftests run pci/0000:01:00.0 id flash
+.RS 4
+Perform a flash test on the devlink device.
+.RE
 
 .SH SEE ALSO
 .BR devlink (8),