test/xcopy_simple: add XCOPY test with 0x0A segment descriptor

Check for 0x0A descriptor support via SCSI_COPY_RESULTS_OP_PARAMS. If
supported, perform a 0x0A type XCOPY using target's
maximum_segment_length (or 256M if larger).

Signed-off-by: David Disseldorp <ddiss@suse.de>

test-tool/iscsi-test-cu.c

@@ -296,6 +296,7 @@ static CU_TestInfo tests_extended_copy[] = {
         { "DescrType", test_extendedcopy_descr_type },
         { "ValidTgtDescr", test_extendedcopy_validate_tgt_descr },
         { "ValidSegDescr", test_extendedcopy_validate_seg_descr },
+        { "Large", test_extendedcopy_large },
         CU_TEST_INFO_NULL
 };