Commit 86d3a341 authored by Tom Zanussi's avatar Tom Zanussi Committed by Herbert Xu
Browse files

dmaengine: idxd: Export wq resource management functions 



To allow idxd sub-drivers to access the wq resource management
functions, export them.

Signed-off-by: default avatarTom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: default avatarDave Jiang <dave.jiang@intel.com>
Reviewed-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Acked-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8621f99b

drivers/dma/idxd/device.c

+5 −0
Original line number Diff line number Diff line
@@ -161,6 +161,7 @@ int idxd_wq_alloc_resources(struct idxd_wq *wq) 
	free_hw_descs(wq);

	return rc;

}

EXPORT_SYMBOL_NS_GPL(idxd_wq_alloc_resources, IDXD);



void idxd_wq_free_resources(struct idxd_wq *wq)

{
@@ -174,6 +175,7 @@ void idxd_wq_free_resources(struct idxd_wq *wq) 
	dma_free_coherent(dev, wq->compls_size, wq->compls, wq->compls_addr);

	sbitmap_queue_free(&wq->sbq);

}

EXPORT_SYMBOL_NS_GPL(idxd_wq_free_resources, IDXD);



int idxd_wq_enable(struct idxd_wq *wq)

{
@@ -405,6 +407,7 @@ int idxd_wq_init_percpu_ref(struct idxd_wq *wq) 
	reinit_completion(&wq->wq_resurrect);

	return 0;

}

EXPORT_SYMBOL_NS_GPL(idxd_wq_init_percpu_ref, IDXD);



void __idxd_wq_quiesce(struct idxd_wq *wq)

{
@@ -414,6 +417,7 @@ void __idxd_wq_quiesce(struct idxd_wq *wq) 
	complete_all(&wq->wq_resurrect);

	wait_for_completion(&wq->wq_dead);

}

EXPORT_SYMBOL_NS_GPL(__idxd_wq_quiesce, IDXD);



void idxd_wq_quiesce(struct idxd_wq *wq)

{
@@ -421,6 +425,7 @@ void idxd_wq_quiesce(struct idxd_wq *wq) 
	__idxd_wq_quiesce(wq);

	mutex_unlock(&wq->wq_lock);

}

EXPORT_SYMBOL_NS_GPL(idxd_wq_quiesce, IDXD);



/* Device control bits */

static inline bool idxd_is_enabled(struct idxd_device *idxd)