tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/workqueues.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef WORKQUEUES_H
   3 #define WORKQUEUES_H
   4
   5 #include <stdbool.h>
   6
   7 #include "barriers.h"
   8 #include "bug_on.h"
   9 #include "int_typedefs.h"
  10
  11 #include <linux/types.h>
  12
  13 /* Stub workqueue implementation. */
  14
  15 struct work_struct;
  16 typedef void (*work_func_t)(struct work_struct *work);
  17 void delayed_work_timer_fn(unsigned long __data);
  18
  19 struct work_struct {
  20 /*      atomic_long_t data; */
  21         unsigned long data;
  22
  23         struct list_head entry;
  24         work_func_t func;
  25 #ifdef CONFIG_LOCKDEP
  26         struct lockdep_map lockdep_map;
  27 #endif
  28 };
  29
  30 struct timer_list {
  31         struct hlist_node       entry;
  32         unsigned long           expires;
  33         void                    (*function)(unsigned long);
  34         unsigned long           data;
  35         u32                     flags;
  36         int                     slack;
  37 };
  38
  39 struct delayed_work {
  40         struct work_struct work;
  41         struct timer_list timer;
  42
  43         /* target workqueue and CPU ->timer uses to queue ->work */
  44         struct workqueue_struct *wq;
  45         int cpu;
  46 };
  47
  48
  49 static inline bool schedule_work(struct work_struct *work)
  50 {
  51         BUG();
  52         return true;
  53 }
  54
  55 static inline bool schedule_work_on(int cpu, struct work_struct *work)
  56 {
  57         BUG();
  58         return true;
  59 }
  60
  61 static inline bool queue_work(struct workqueue_struct *wq,
  62                               struct work_struct *work)
  63 {
  64         BUG();
  65         return true;
  66 }
  67
  68 static inline bool queue_delayed_work(struct workqueue_struct *wq,
  69                                       struct delayed_work *dwork,
  70                                       unsigned long delay)
  71 {
  72         BUG();
  73         return true;
  74 }
  75
  76 #define INIT_WORK(w, f) \
  77         do { \
  78                 (w)->data = 0; \
  79                 (w)->func = (f); \
  80         } while (0)
  81
  82 #define INIT_DELAYED_WORK(w, f) INIT_WORK(&(w)->work, (f))
  83
  84 #define __WORK_INITIALIZER(n, f) { \
  85                 .data = 0, \
  86                 .entry = { &(n).entry, &(n).entry }, \
  87                 .func = f \
  88         }
  89
  90 /* Don't bother initializing timer. */
  91 #define __DELAYED_WORK_INITIALIZER(n, f, tflags) { \
  92         .work = __WORK_INITIALIZER((n).work, (f)), \
  93         }
  94
  95 #define DECLARE_WORK(n, f) \
  96         struct workqueue_struct n = __WORK_INITIALIZER
  97
  98 #define DECLARE_DELAYED_WORK(n, f) \
  99         struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f, 0)
 100
 101 #define system_power_efficient_wq ((struct workqueue_struct *) NULL)
 102
 103 #endif