162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _SYSDEP_TLS_H 362306a36Sopenharmony_ci#define _SYSDEP_TLS_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifdef __UM_HOST__ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which 862306a36Sopenharmony_ci * may be named user_desc (but in 2.4 and in header matching its API was named 962306a36Sopenharmony_ci * modify_ldt_ldt_s). */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_citypedef struct um_dup_user_desc { 1262306a36Sopenharmony_ci unsigned int entry_number; 1362306a36Sopenharmony_ci unsigned int base_addr; 1462306a36Sopenharmony_ci unsigned int limit; 1562306a36Sopenharmony_ci unsigned int seg_32bit:1; 1662306a36Sopenharmony_ci unsigned int contents:2; 1762306a36Sopenharmony_ci unsigned int read_exec_only:1; 1862306a36Sopenharmony_ci unsigned int limit_in_pages:1; 1962306a36Sopenharmony_ci unsigned int seg_not_present:1; 2062306a36Sopenharmony_ci unsigned int useable:1; 2162306a36Sopenharmony_ci#ifdef __x86_64__ 2262306a36Sopenharmony_ci unsigned int lm:1; 2362306a36Sopenharmony_ci#endif 2462306a36Sopenharmony_ci} user_desc_t; 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#else /* __UM_HOST__ */ 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_citypedef struct user_desc user_desc_t; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci#endif /* __UM_HOST__ */ 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciextern int os_set_thread_area(user_desc_t *info, int pid); 3362306a36Sopenharmony_ciextern int os_get_thread_area(user_desc_t *info, int pid); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#ifdef __i386__ 3662306a36Sopenharmony_ci#define GDT_ENTRY_TLS_MIN_I386 6 3762306a36Sopenharmony_ci#define GDT_ENTRY_TLS_MIN_X86_64 12 3862306a36Sopenharmony_ci#endif 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#endif /* _SYSDEP_TLS_H */ 41