update ddk includes

git-svn-id: svn://kolibrios.org@2967 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-09-04 21:42:08 +00:00
parent 96aa59bb73
commit 5b7d788e49
27 changed files with 3266 additions and 334 deletions
--- a/drivers/include/linux/wait.h
+++ b/drivers/include/linux/wait.h
@@ -0,0 +1,144 @@
+#ifndef _LINUX_WAIT_H
+#define _LINUX_WAIT_H
+
+typedef struct __wait_queue wait_queue_t;
+typedef struct __wait_queue_head wait_queue_head_t;
+
+struct __wait_queue
+{
+    struct list_head task_list;
+    evhandle_t evnt;
+};
+
+struct __wait_queue_head
+{
+    spinlock_t lock;
+    struct list_head task_list;
+};
+
+static inline void __add_wait_queue(wait_queue_head_t *head, wait_queue_t *new)
+{
+    list_add(&new->task_list, &head->task_list);
+}
+
+
+#define __wait_event(wq, condition)                                     \
+do {                                                                    \
+        DEFINE_WAIT(__wait);                                            \
+                                                                        \
+        for (;;) {                                                      \
+                prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE);    \
+                if (condition)                                          \
+                        break;                                          \
+                schedule();                                             \
+        }                                                               \
+        finish_wait(&wq, &__wait);                                      \
+} while (0)
+
+
+#define wait_event(wq, condition)                           \
+do{                                                         \
+    wait_queue_t __wait = {                                 \
+        .task_list = LIST_HEAD_INIT(__wait.task_list),      \
+        .evnt      = CreateEvent(NULL, MANUAL_DESTROY),     \
+    };                                                      \
+    u32  flags;                                             \
+                                                            \
+    spin_lock_irqsave(&wq.lock, flags);                     \
+    if (list_empty(&__wait.task_list))                      \
+        __add_wait_queue(&wq, &__wait);                     \
+    spin_unlock_irqrestore(&wq.lock, flags);                \
+                                                            \
+    for(;;){                                                \
+        if (condition)                                      \
+            break;                                          \
+        WaitEvent(__wait.evnt);                             \
+    };                                                      \
+    if (!list_empty_careful(&__wait.task_list)) {           \
+        spin_lock_irqsave(&wq.lock, flags);                 \
+        list_del_init(&__wait.task_list);                   \
+        spin_unlock_irqrestore(&wq.lock, flags);            \
+    };                                                      \
+    DestroyEvent(__wait.evnt);                              \
+} while (0)
+
+
+static inline
+void wake_up_all(wait_queue_head_t *q)
+{
+    wait_queue_t *curr;
+    unsigned long flags;
+
+    spin_lock_irqsave(&q->lock, flags);
+    list_for_each_entry(curr, &q->task_list, task_list)
+    {
+        kevent_t event;
+        event.code = -1;
+        RaiseEvent(curr->evnt, 0, &event);
+    }
+    spin_unlock_irqrestore(&q->lock, flags);
+}
+
+
+static inline void
+init_waitqueue_head(wait_queue_head_t *q)
+{
+    spin_lock_init(&q->lock);
+    INIT_LIST_HEAD(&q->task_list);
+};
+
+
+/*
+ * Workqueue flags and constants.  For details, please refer to
+ * Documentation/workqueue.txt.
+ */
+enum {
+    WQ_NON_REENTRANT    = 1 << 0, /* guarantee non-reentrance */
+    WQ_UNBOUND          = 1 << 1, /* not bound to any cpu */
+    WQ_FREEZABLE        = 1 << 2, /* freeze during suspend */
+    WQ_MEM_RECLAIM      = 1 << 3, /* may be used for memory reclaim */
+    WQ_HIGHPRI          = 1 << 4, /* high priority */
+    WQ_CPU_INTENSIVE    = 1 << 5, /* cpu instensive workqueue */
+
+    WQ_DRAINING         = 1 << 6, /* internal: workqueue is draining */
+    WQ_RESCUER          = 1 << 7, /* internal: workqueue has rescuer */
+
+    WQ_MAX_ACTIVE       = 512,    /* I like 512, better ideas? */
+    WQ_MAX_UNBOUND_PER_CPU  = 4,      /* 4 * #cpus for unbound wq */
+    WQ_DFL_ACTIVE       = WQ_MAX_ACTIVE / 2,
+};
+
+struct work_struct;
+
+struct workqueue_struct {
+    spinlock_t lock;
+    struct list_head worklist;
+};
+
+typedef void (*work_func_t)(struct work_struct *work);
+
+struct work_struct {
+    struct list_head entry;
+    struct workqueue_struct *data;
+    work_func_t func;
+};
+
+struct delayed_work {
+    struct work_struct work;
+};
+
+
+struct workqueue_struct *alloc_workqueue_key(const char *fmt,
+                           unsigned int flags, int max_active);
+
+int queue_delayed_work(struct workqueue_struct *wq,
+                        struct delayed_work *dwork, unsigned long delay);
+
+#define INIT_DELAYED_WORK(_work, _func)         \
+    do {                                        \
+        INIT_LIST_HEAD(&(_work)->work.entry);   \
+        (_work)->work.func = _func;             \
+    } while (0)
+
+#endif
+