1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h
index c811f1e0829f..79fe59fc50ec 100644
--- a/include/asm-x86/desc_defs.h
+++ b/include/asm-x86/desc_defs.h
@@ -55,6 +55,11 @@ struct gate_struct64 {
 enum {
         DESC_TSS = 0x9,
         DESC_LDT = 0x2,
+        DESCTYPE_TASK = 0x85,   /* present, system, DPL-0, task gate */
+        DESCTYPE_INT =  0x8e,   /* present, system, DPL-0, interrupt gate */
+        DESCTYPE_TRAP = 0x8f,   /* present, system, DPL-0, trap gate */
+        DESCTYPE_DPL3 = 0x60,   /* DPL-3 */
+        DESCTYPE_S =    0x10,   /* !system */
 };
 
 // LDT or TSS descriptor in the GDT. 16 bytes.