diff options
Diffstat (limited to 'sys/dev/pci/drm/drm_linux.h')
| -rw-r--r-- | sys/dev/pci/drm/drm_linux.h | 97 |
1 files changed, 96 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/drm_linux.h b/sys/dev/pci/drm/drm_linux.h index f7d11876a3e..ec44a479bff 100644 --- a/sys/dev/pci/drm/drm_linux.h +++ b/sys/dev/pci/drm/drm_linux.h @@ -1,4 +1,4 @@ -/* $OpenBSD: drm_linux.h,v 1.27 2015/04/18 14:47:34 jsg Exp $ */ +/* $OpenBSD: drm_linux.h,v 1.28 2015/06/24 08:32:39 kettenis Exp $ */ /* * Copyright (c) 2013, 2014 Mark Kettenis * @@ -15,6 +15,8 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#include <sys/task.h> + typedef int irqreturn_t; #define IRQ_NONE 0 #define IRQ_HANDLED 1 @@ -279,6 +281,91 @@ init_waitqueue_head(wait_queue_head_t *wq) #define wake_up_all(x) wakeup(x) #define wake_up_all_locked(x) wakeup(x) +struct workqueue_struct; + +struct work_struct { + struct task task; + struct taskq *tq; +}; + +typedef void (*work_func_t)(struct work_struct *); + +static inline void +INIT_WORK(struct work_struct *work, work_func_t func) +{ + task_set(&work->task, (void (*)(void *))func, work); +} + +static inline bool +queue_work(struct workqueue_struct *wq, struct work_struct *work) +{ + work->tq = (struct taskq *)wq; + return task_add(work->tq, &work->task); +} + +static inline void +cancel_work_sync(struct work_struct *work) +{ + task_del(work->tq, &work->task); +} + +struct delayed_work { + struct work_struct work; + struct timeout to; + struct taskq *tq; +}; + +static inline struct delayed_work * +to_delayed_work(struct work_struct *work) +{ + return container_of(work, struct delayed_work, work); +} + +static void +__delayed_work_tick(void *arg) +{ + struct delayed_work *dwork = arg; + + task_add(dwork->tq, &dwork->work.task); +} + +static inline void +INIT_DELAYED_WORK(struct delayed_work *dwork, work_func_t func) +{ + INIT_WORK(&dwork->work, func); + timeout_set(&dwork->to, __delayed_work_tick, &dwork->work); +} + +static inline bool +schedule_delayed_work(struct delayed_work *dwork, int jiffies) +{ + dwork->tq = systq; + return timeout_add(&dwork->to, jiffies); +} + +static inline bool +queue_delayed_work(struct workqueue_struct *wq, + struct delayed_work *dwork, int jiffies) +{ + dwork->tq = (struct taskq *)wq; + return timeout_add(&dwork->to, jiffies); +} + +static inline bool +cancel_delayed_work(struct delayed_work *dwork) +{ + if (timeout_del(&dwork->to)) + return true; + return task_del(dwork->tq, &dwork->work.task); +} + +static inline void +cancel_delayed_work_sync(struct delayed_work *dwork) +{ + timeout_del(&dwork->to); + task_del(dwork->tq, &dwork->work.task); +} + #define NSEC_PER_USEC 1000L #define NSEC_PER_SEC 1000000000L #define KHZ2PICOS(a) (1000000000UL/(a)) @@ -287,6 +374,14 @@ extern struct timespec ns_to_timespec(const int64_t); extern int64_t timeval_to_ns(const struct timeval *); extern struct timeval ns_to_timeval(const int64_t); +#define HZ hz + +static inline unsigned long +round_jiffies_up_relative(unsigned long j) +{ + return roundup(j, hz); +} + #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) #define time_after(a,b) ((long)(b) - (long)(a) < 0) |