| /* |
| * 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 |