Merge remote-tracking branch 'wireless-next/master' into mac80211-next
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / parisc / include / asm / thread_info.h
1 #ifndef _ASM_PARISC_THREAD_INFO_H
2 #define _ASM_PARISC_THREAD_INFO_H
3
4 #ifdef __KERNEL__
5
6 #ifndef __ASSEMBLY__
7 #include <asm/processor.h>
8 #include <asm/special_insns.h>
9
10 struct thread_info {
11         struct task_struct *task;       /* main task structure */
12         struct exec_domain *exec_domain;/* execution domain */
13         unsigned long flags;            /* thread_info flags (see TIF_*) */
14         mm_segment_t addr_limit;        /* user-level address space limit */
15         __u32 cpu;                      /* current CPU */
16         int preempt_count;              /* 0=premptable, <0=BUG; will also serve as bh-counter */
17         struct restart_block restart_block;
18 };
19
20 #define INIT_THREAD_INFO(tsk)                   \
21 {                                               \
22         .task           = &tsk,                 \
23         .exec_domain    = &default_exec_domain, \
24         .flags          = 0,                    \
25         .cpu            = 0,                    \
26         .addr_limit     = KERNEL_DS,            \
27         .preempt_count  = INIT_PREEMPT_COUNT,   \
28         .restart_block  = {                     \
29                 .fn = do_no_restart_syscall     \
30         }                                       \
31 }
32
33 #define init_thread_info        (init_thread_union.thread_info)
34 #define init_stack              (init_thread_union.stack)
35
36 /* how to get the thread information struct from C */
37 #define current_thread_info()   ((struct thread_info *)mfctl(30))
38
39 #endif /* !__ASSEMBLY */
40
41 /* thread information allocation */
42
43 #define THREAD_SIZE_ORDER       2 /* PA-RISC requires at least 16k stack */
44 /* Be sure to hunt all references to this down when you change the size of
45  * the kernel stack */
46 #define THREAD_SIZE             (PAGE_SIZE << THREAD_SIZE_ORDER)
47 #define THREAD_SHIFT            (PAGE_SHIFT + THREAD_SIZE_ORDER)
48
49 /*
50  * thread information flags
51  */
52 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
53 #define TIF_SIGPENDING          1       /* signal pending */
54 #define TIF_NEED_RESCHED        2       /* rescheduling necessary */
55 #define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling TIF_NEED_RESCHED */
56 #define TIF_32BIT               4       /* 32 bit binary */
57 #define TIF_MEMDIE              5       /* is terminating due to OOM killer */
58 #define TIF_RESTORE_SIGMASK     6       /* restore saved signal mask */
59 #define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
60 #define TIF_NOTIFY_RESUME       8       /* callback before returning to user */
61 #define TIF_SINGLESTEP          9       /* single stepping? */
62 #define TIF_BLOCKSTEP           10      /* branch stepping? */
63
64 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
65 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
66 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
67 #define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
68 #define _TIF_32BIT              (1 << TIF_32BIT)
69 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
70 #define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
71 #define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)
72 #define _TIF_BLOCKSTEP          (1 << TIF_BLOCKSTEP)
73
74 #define _TIF_USER_WORK_MASK     (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \
75                                  _TIF_NEED_RESCHED)
76 #define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
77                                  _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT)
78
79 #endif /* __KERNEL__ */
80
81 #endif /* _ASM_PARISC_THREAD_INFO_H */