1 files changed, 41 insertions, 0 deletions

diff --git a/include/asm-um/ldt.h b/include/asm-um/ldt.h
new file mode 100644
index 000000000000..96f82a456ce6
--- /dev/null
+++ b/include/asm-um/ldt.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
+ * Licensed under the GPL
+ *
+ * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
+ */
+
+#ifndef __ASM_LDT_H
+#define __ASM_LDT_H
+
+#include "asm/semaphore.h"
+#include "asm/host_ldt.h"
+
+struct mmu_context_skas;
+extern void ldt_host_info(void);
+extern long init_new_ldt(struct mmu_context_skas * to_mm,
+                         struct mmu_context_skas * from_mm);
+extern void free_ldt(struct mmu_context_skas * mm);
+
+#define LDT_PAGES_MAX \
+        ((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE)
+#define LDT_ENTRIES_PER_PAGE \
+        (PAGE_SIZE/LDT_ENTRY_SIZE)
+#define LDT_DIRECT_ENTRIES \
+        ((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE)
+
+struct ldt_entry {
+        __u32 a;
+        __u32 b;
+};
+
+typedef struct uml_ldt {
+        int entry_count;
+        struct semaphore semaphore;
+        union {
+                struct ldt_entry * pages[LDT_PAGES_MAX];
+                struct ldt_entry entries[LDT_DIRECT_ENTRIES];
+        } u;
+} uml_ldt_t;
+
+#endif