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/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
* Copyright (c) 2012 Intel Corporation. All rights reserved.
*/
#include <sys/sunddi.h>
#include <sys/types.h>
#include "drm_sun_workqueue.h"
int
__queue_work(struct workqueue_struct *wq, struct work_struct *work)
{
int ret;
ASSERT(wq->taskq != NULL);
ASSERT(work->func != NULL);
/*
* ddi_taskq_dispatch can fail if there aren't enough memory
* resources. In theory, since we are requesting a SLEEP
* allocation, it would be very rare to fail
*/
if ((ret = ddi_taskq_dispatch(wq->taskq, work->func, work, DDI_SLEEP))
== DDI_FAILURE)
cmn_err(CE_WARN, "queue_work: ddi_taskq_dispatch failure");
return (ret);
}
void
init_work(struct work_struct *work, void (*func)(void *))
{
work->func = func;
}
struct workqueue_struct *
create_workqueue(dev_info_t *dip, char *name)
{
struct workqueue_struct *wq;
wq = kmem_zalloc(sizeof (struct workqueue_struct), KM_SLEEP);
wq->taskq = ddi_taskq_create(dip, name, 1, TASKQ_DEFAULTPRI, 0);
if (wq->taskq == NULL)
goto fail;
wq->name = name;
return wq;
fail :
kmem_free(wq, sizeof (struct workqueue_struct));
return (NULL);
}
void
destroy_workqueue(struct workqueue_struct *wq)
{
if (wq) {
ddi_taskq_destroy(wq->taskq);
kmem_free(wq, sizeof (struct workqueue_struct));
}
}
void
cancel_delayed_work(struct workqueue_struct *wq)
{
ddi_taskq_wait(wq->taskq);
}
void
flush_workqueue(struct workqueue_struct *wq)
{
ddi_taskq_wait(wq->taskq);
}
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