linux-kernel - [PATCH v9 05/14] dmaengine: idxd: Export wq resource management functions

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Message-Id: <20230807203726.1682123-6-tom.zanussi@linux.intel.com>
Date:   Mon,  7 Aug 2023 15:37:17 -0500
From:   Tom Zanussi <tom.zanussi@...ux.intel.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        fenghua.yu@...el.com, vkoul@...nel.org
Cc:     dave.jiang@...el.com, tony.luck@...el.com,
        wajdi.k.feghali@...el.com, james.guilford@...el.com,
        kanchana.p.sridhar@...el.com, vinodh.gopal@...el.com,
        giovanni.cabiddu@...el.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, dmaengine@...r.kernel.org
Subject: [PATCH v9 05/14] dmaengine: idxd: Export wq resource management functions

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

Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
Reviewed-by: Dave Jiang <dave.jiang@...el.com>
Reviewed-by: Fenghua Yu <fenghua.yu@...el.com>
Acked-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/dma/idxd/device.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 9b2a6a1ee2af..4f6972cf656e 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -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)
 {
@@ -422,6 +424,7 @@ 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)
 {
@@ -431,6 +434,7 @@ 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)
 {
@@ -438,6 +442,7 @@ 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)
-- 
2.34.1