18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _SYSDEP_TLS_H 38c2ecf20Sopenharmony_ci#define _SYSDEP_TLS_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#ifdef __UM_HOST__ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which 88c2ecf20Sopenharmony_ci * may be named user_desc (but in 2.4 and in header matching its API was named 98c2ecf20Sopenharmony_ci * modify_ldt_ldt_s). */ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_citypedef struct um_dup_user_desc { 128c2ecf20Sopenharmony_ci unsigned int entry_number; 138c2ecf20Sopenharmony_ci unsigned int base_addr; 148c2ecf20Sopenharmony_ci unsigned int limit; 158c2ecf20Sopenharmony_ci unsigned int seg_32bit:1; 168c2ecf20Sopenharmony_ci unsigned int contents:2; 178c2ecf20Sopenharmony_ci unsigned int read_exec_only:1; 188c2ecf20Sopenharmony_ci unsigned int limit_in_pages:1; 198c2ecf20Sopenharmony_ci unsigned int seg_not_present:1; 208c2ecf20Sopenharmony_ci unsigned int useable:1; 218c2ecf20Sopenharmony_ci#ifdef __x86_64__ 228c2ecf20Sopenharmony_ci unsigned int lm:1; 238c2ecf20Sopenharmony_ci#endif 248c2ecf20Sopenharmony_ci} user_desc_t; 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci#else /* __UM_HOST__ */ 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_citypedef struct user_desc user_desc_t; 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci#endif /* __UM_HOST__ */ 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ciextern int os_set_thread_area(user_desc_t *info, int pid); 338c2ecf20Sopenharmony_ciextern int os_get_thread_area(user_desc_t *info, int pid); 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci#ifdef __i386__ 368c2ecf20Sopenharmony_ci#define GDT_ENTRY_TLS_MIN_I386 6 378c2ecf20Sopenharmony_ci#define GDT_ENTRY_TLS_MIN_X86_64 12 388c2ecf20Sopenharmony_ci#endif 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci#endif /* _SYSDEP_TLS_H */ 41