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-rw-r--r--arch/x86/include/asm/desc_defs.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
index 278441f39856..eb5deb42484d 100644
--- a/arch/x86/include/asm/desc_defs.h
+++ b/arch/x86/include/asm/desc_defs.h
@@ -98,4 +98,27 @@ struct desc_ptr {
#endif /* !__ASSEMBLY__ */
+/* Access rights as returned by LAR */
+#define AR_TYPE_RODATA (0 * (1 << 9))
+#define AR_TYPE_RWDATA (1 * (1 << 9))
+#define AR_TYPE_RODATA_EXPDOWN (2 * (1 << 9))
+#define AR_TYPE_RWDATA_EXPDOWN (3 * (1 << 9))
+#define AR_TYPE_XOCODE (4 * (1 << 9))
+#define AR_TYPE_XRCODE (5 * (1 << 9))
+#define AR_TYPE_XOCODE_CONF (6 * (1 << 9))
+#define AR_TYPE_XRCODE_CONF (7 * (1 << 9))
+#define AR_TYPE_MASK (7 * (1 << 9))
+
+#define AR_DPL0 (0 * (1 << 13))
+#define AR_DPL3 (3 * (1 << 13))
+#define AR_DPL_MASK (3 * (1 << 13))
+
+#define AR_A (1 << 8) /* "Accessed" */
+#define AR_S (1 << 12) /* If clear, "System" segment */
+#define AR_P (1 << 15) /* "Present" */
+#define AR_AVL (1 << 20) /* "AVaiLable" (no HW effect) */
+#define AR_L (1 << 21) /* "Long mode" for code segments */
+#define AR_DB (1 << 22) /* D/B, effect depends on type */
+#define AR_G (1 << 23) /* "Granularity" (limit in pages) */
+
#endif /* _ASM_X86_DESC_DEFS_H */