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From: Stefano Stabellini <sstabellini@kernel.org>
To: jgross@suse.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com
Cc: sstabellini@kernel.org, xen-devel@lists.xenproject.org,
	linux-kernel@vger.kernel.org, hch@infradead.org,
	Stefano Stabellini <stefano.stabellini@xilinx.com>
Subject: [PATCH v3 07/11] swiotlb-xen: add struct device * parameter to is_xen_swiotlb_buffer
Date: Fri, 10 Jul 2020 15:34:23 -0700	[thread overview]
Message-ID: <20200710223427.6897-7-sstabellini@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.21.2007101521290.4124@sstabellini-ThinkPad-T480s>

From: Stefano Stabellini <stefano.stabellini@xilinx.com>

No functional changes. The parameter is unused in this patch but will be
used by next patches.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
---
Changes in v3:
- add whitespace in title
- improve commit message
---
 drivers/xen/swiotlb-xen.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8a3a7bcc5ec0..e2c35f45f91e 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -97,7 +97,7 @@ static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
 	return 0;
 }
 
-static int is_xen_swiotlb_buffer(dma_addr_t dma_addr)
+static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr)
 {
 	unsigned long bfn = XEN_PFN_DOWN(dma_addr);
 	unsigned long xen_pfn = bfn_to_local_pfn(bfn);
@@ -431,7 +431,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 		xen_dma_sync_for_cpu(hwdev, dev_addr, paddr, size, dir);
 
 	/* NOTE: We use dev_addr here, not paddr! */
-	if (is_xen_swiotlb_buffer(dev_addr))
+	if (is_xen_swiotlb_buffer(hwdev, dev_addr))
 		swiotlb_tbl_unmap_single(hwdev, paddr, size, size, dir, attrs);
 }
 
@@ -444,7 +444,7 @@ xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
 	if (!dev_is_dma_coherent(dev))
 		xen_dma_sync_for_cpu(dev, dma_addr, paddr, size, dir);
 
-	if (is_xen_swiotlb_buffer(dma_addr))
+	if (is_xen_swiotlb_buffer(dev, dma_addr))
 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
 }
 
@@ -454,7 +454,7 @@ xen_swiotlb_sync_single_for_device(struct device *dev, dma_addr_t dma_addr,
 {
 	phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr);
 
-	if (is_xen_swiotlb_buffer(dma_addr))
+	if (is_xen_swiotlb_buffer(dev, dma_addr))
 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
 
 	if (!dev_is_dma_coherent(dev))
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Stefano Stabellini <sstabellini@kernel.org>
To: jgross@suse.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com
Cc: hch@infradead.org, xen-devel@lists.xenproject.org,
	sstabellini@kernel.org, linux-kernel@vger.kernel.org,
	Stefano Stabellini <stefano.stabellini@xilinx.com>
Subject: [PATCH v3 07/11] swiotlb-xen: add struct device * parameter to is_xen_swiotlb_buffer
Date: Fri, 10 Jul 2020 15:34:23 -0700	[thread overview]
Message-ID: <20200710223427.6897-7-sstabellini@kernel.org> (raw)
In-Reply-To: <alpine.DEB.2.21.2007101521290.4124@sstabellini-ThinkPad-T480s>

From: Stefano Stabellini <stefano.stabellini@xilinx.com>

No functional changes. The parameter is unused in this patch but will be
used by next patches.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
---
Changes in v3:
- add whitespace in title
- improve commit message
---
 drivers/xen/swiotlb-xen.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8a3a7bcc5ec0..e2c35f45f91e 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -97,7 +97,7 @@ static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
 	return 0;
 }
 
-static int is_xen_swiotlb_buffer(dma_addr_t dma_addr)
+static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr)
 {
 	unsigned long bfn = XEN_PFN_DOWN(dma_addr);
 	unsigned long xen_pfn = bfn_to_local_pfn(bfn);
@@ -431,7 +431,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 		xen_dma_sync_for_cpu(hwdev, dev_addr, paddr, size, dir);
 
 	/* NOTE: We use dev_addr here, not paddr! */
-	if (is_xen_swiotlb_buffer(dev_addr))
+	if (is_xen_swiotlb_buffer(hwdev, dev_addr))
 		swiotlb_tbl_unmap_single(hwdev, paddr, size, size, dir, attrs);
 }
 
@@ -444,7 +444,7 @@ xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
 	if (!dev_is_dma_coherent(dev))
 		xen_dma_sync_for_cpu(dev, dma_addr, paddr, size, dir);
 
-	if (is_xen_swiotlb_buffer(dma_addr))
+	if (is_xen_swiotlb_buffer(dev, dma_addr))
 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
 }
 
@@ -454,7 +454,7 @@ xen_swiotlb_sync_single_for_device(struct device *dev, dma_addr_t dma_addr,
 {
 	phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr);
 
-	if (is_xen_swiotlb_buffer(dma_addr))
+	if (is_xen_swiotlb_buffer(dev, dma_addr))
 		swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_DEVICE);
 
 	if (!dev_is_dma_coherent(dev))
-- 
2.17.1



  parent reply	other threads:[~2020-07-10 22:35 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10 22:34 [PATCH v3 00/11] fix swiotlb-xen for RPi4 Stefano Stabellini
2020-07-10 22:34 ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 01/11] swiotlb-xen: use vmalloc_to_page on vmalloc virt addresses Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 02/11] swiotlb-xen: remove start_dma_addr Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 03/11] swiotlb-xen: add struct device * parameter to xen_phys_to_bus Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 04/11] swiotlb-xen: add struct device * parameter to xen_bus_to_phys Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 05/11] swiotlb-xen: add struct device * parameter to xen_dma_sync_for_cpu Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 06/11] swiotlb-xen: add struct device * parameter to xen_dma_sync_for_device Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-07-10 22:34 ` Stefano Stabellini [this message]
2020-07-10 22:34   ` [PATCH v3 07/11] swiotlb-xen: add struct device * parameter to is_xen_swiotlb_buffer Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 08/11] swiotlb-xen: remove XEN_PFN_PHYS Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-08-04  5:33   ` Jürgen Groß
2020-08-04  5:33     ` Jürgen Groß
2020-07-10 22:34 ` [PATCH v3 09/11] swiotlb-xen: introduce phys_to_dma/dma_to_phys translations Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-08-04  5:34   ` Jürgen Groß
2020-08-04  5:34     ` Jürgen Groß
2020-07-10 22:34 ` [PATCH v3 10/11] xen/arm: introduce phys/dma translations in xen_dma_sync_for_* Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-08-04  5:35   ` Jürgen Groß
2020-08-04  5:35     ` Jürgen Groß
2020-07-10 22:34 ` [PATCH v3 11/11] xen/arm: call dma_to_phys on the dma_addr_t parameter of dma_cache_maint Stefano Stabellini
2020-07-10 22:34   ` Stefano Stabellini
2020-08-04  5:56 ` [PATCH v3 00/11] fix swiotlb-xen for RPi4 Jürgen Groß
2020-08-04  5:56   ` Jürgen Groß
2020-08-04 15:52   ` Stefano Stabellini
2020-08-04 15:52     ` Stefano Stabellini

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