/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 */

#ifndef __UM_THREAD_INFO_H
#define __UM_THREAD_INFO_H

#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)

#ifndef __ASSEMBLER__

#include <asm/types.h>
#include <asm/page.h>
#include <asm/segment.h>
#include <sysdep/ptrace_user.h>

struct thread_info {
        unsigned long           flags;          /* low level flags */
        __u32                   cpu;            /* current CPU */
        int                     preempt_count;  /* 0 => preemptable,
                                                   <0 => BUG */
};

#define INIT_THREAD_INFO(tsk)                   \
{                                               \
        .flags =                0,              \
        .cpu =          0,                      \
        .preempt_count = INIT_PREEMPT_COUNT,    \
}

#endif

#define TIF_SYSCALL_TRACE       0       /* syscall trace active */
#define TIF_SIGPENDING          1       /* signal pending */
#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
#define TIF_NOTIFY_SIGNAL       3       /* signal notifications exist */
#define TIF_RESTART_BLOCK       4
#define TIF_MEMDIE              5       /* is terminating due to OOM killer */
#define TIF_SYSCALL_AUDIT       6
#define TIF_RESTORE_SIGMASK     7
#define TIF_NOTIFY_RESUME       8
#define TIF_SECCOMP             9       /* secure computing */
#define TIF_SINGLESTEP          10      /* single stepping userspace */
#define TIF_SYSCALL_TRACEPOINT  11      /* syscall tracepoint instrumentation */


#define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
#define _TIF_NOTIFY_SIGNAL      (1 << TIF_NOTIFY_SIGNAL)
#define _TIF_MEMDIE             (1 << TIF_MEMDIE)
#define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
#define _TIF_SECCOMP            (1 << TIF_SECCOMP)
#define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)

#define _TIF_WORK_MASK          (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL | \
                                 _TIF_NOTIFY_RESUME)

#endif