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Index: sys/compat/linuxkpi/common/include/linux/irq_work.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/irq_work.h
+++ sys/compat/linuxkpi/common/include/linux/irq_work.h
@@ -31,22 +31,32 @@
#ifndef __LINUX_IRQ_WORK_H__
#define __LINUX_IRQ_WORK_H__
-#include <linux/workqueue.h>
+#include <sys/param.h>
+#include <sys/taskqueue.h>
+
+struct irq_work;
+typedef void (*irq_work_func_t)(struct irq_work *);
struct irq_work {
- struct work_struct work;
+ struct task irq_task;
+ irq_work_func_t func;
};
-static inline void
-init_irq_work(struct irq_work *irqw, void (*func)(struct irq_work *))
-{
- INIT_WORK(&irqw->work, (work_func_t)func);
+#define DEFINE_IRQ_WORK(name, _func) struct irq_work name = { \
+ .irq_task = TASK_INITIALIZER(0, linux_irq_work_fn, &(name)), \
+ .func = (_func), \
}
+void linux_irq_work_fn(void *, int);
+
static inline void
-irq_work_queue(struct irq_work *irqw)
+init_irq_work(struct irq_work *irqw, irq_work_func_t func)
{
- schedule_work(&irqw->work);
+ TASK_INIT(&irqw->irq_task, 0, linux_irq_work_fn, irqw);
+ irqw->func = func;
}
+#define irq_work_queue(irqw) linux_irq_work_queue(irqw)
+void linux_irq_work_queue(struct irq_work *);
+
#endif /* __LINUX_IRQ_WORK_H__ */
Index: sys/compat/linuxkpi/common/src/linux_work.c
===================================================================
--- sys/compat/linuxkpi/common/src/linux_work.c
+++ sys/compat/linuxkpi/common/src/linux_work.c
@@ -32,6 +32,7 @@
#include <linux/compat.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
+#include <linux/irq_work.h>
#include <sys/kernel.h>
@@ -59,6 +60,8 @@
struct workqueue_struct *system_highpri_wq;
struct workqueue_struct *system_power_efficient_wq;
+static struct taskqueue *linux_irq_work_tq;
+
static int linux_default_wq_cpus = 4;
static void linux_delayed_work_timer_fn(void *);
@@ -683,3 +686,37 @@
system_highpri_wq = NULL;
}
SYSUNINIT(linux_work_uninit, SI_SUB_TASKQ, SI_ORDER_THIRD, linux_work_uninit, NULL);
+
+void
+linux_irq_work_fn(void *context, int pending)
+{
+ struct irq_work *irqw = context;
+
+ irqw->func(irqw);
+}
+
+void
+linux_irq_work_queue(struct irq_work *irqw)
+{
+ taskqueue_enqueue(linux_irq_work_tq, &irqw->irq_task);
+}
+
+static void
+linux_irq_work_init(void *arg)
+{
+ linux_irq_work_tq = taskqueue_create_fast("linuxkpi_irq_wq",
+ M_WAITOK, taskqueue_thread_enqueue, &linux_irq_work_tq);
+ taskqueue_start_threads(&linux_irq_work_tq, 1, PWAIT,
+ "linuxkpi_irq_wq");
+}
+SYSINIT(linux_irq_work_init, SI_SUB_TASKQ, SI_ORDER_SECOND,
+ linux_irq_work_init, NULL);
+
+static void
+linux_irq_work_uninit(void *arg)
+{
+ taskqueue_drain_all(linux_irq_work_tq);
+ taskqueue_free(linux_irq_work_tq);
+}
+SYSUNINIT(linux_irq_work_uninit, SI_SUB_TASKQ, SI_ORDER_SECOND,
+ linux_irq_work_uninit, NULL);

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