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 05/11] swiotlb-xen: add struct device * parameter to xen_dma_sync_for_cpu
Date: Fri, 10 Jul 2020 15:34:21 -0700 [thread overview]
Message-ID: <20200710223427.6897-5-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
---
arch/arm/xen/mm.c | 5 +++--
drivers/xen/swiotlb-xen.c | 4 ++--
include/xen/swiotlb-xen.h | 5 +++--
3 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index d40e9e5fc52b..1a00e8003c64 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -71,8 +71,9 @@ static void dma_cache_maint(dma_addr_t handle, size_t size, u32 op)
* pfn_valid returns true the pages is local and we can use the native
* dma-direct functions, otherwise we call the Xen specific version.
*/
-void xen_dma_sync_for_cpu(dma_addr_t handle, phys_addr_t paddr, size_t size,
- enum dma_data_direction dir)
+void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle,
+ phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir)
{
if (pfn_valid(PFN_DOWN(handle)))
arch_sync_dma_for_cpu(paddr, size, dir);
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index a8e447137faf..d04b7a15124f 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -428,7 +428,7 @@ static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
BUG_ON(dir == DMA_NONE);
if (!dev_is_dma_coherent(hwdev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC))
- xen_dma_sync_for_cpu(dev_addr, paddr, size, dir);
+ 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))
@@ -442,7 +442,7 @@ xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
phys_addr_t paddr = xen_bus_to_phys(dev, dma_addr);
if (!dev_is_dma_coherent(dev))
- xen_dma_sync_for_cpu(dma_addr, paddr, size, dir);
+ xen_dma_sync_for_cpu(dev, dma_addr, paddr, size, dir);
if (is_xen_swiotlb_buffer(dma_addr))
swiotlb_tbl_sync_single(dev, paddr, size, dir, SYNC_FOR_CPU);
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
index ffc0d3902b71..f62d1854780b 100644
--- a/include/xen/swiotlb-xen.h
+++ b/include/xen/swiotlb-xen.h
@@ -4,8 +4,9 @@
#include <linux/swiotlb.h>
-void xen_dma_sync_for_cpu(dma_addr_t handle, phys_addr_t paddr, size_t size,
- enum dma_data_direction dir);
+void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle,
+ phys_addr_t paddr, size_t size,
+ enum dma_data_direction dir);
void xen_dma_sync_for_device(dma_addr_t handle, phys_addr_t paddr, size_t size,
enum dma_data_direction dir);
--
2.17.1
next prev parent reply other threads:[~2020-07-10 22:34 UTC|newest]
Thread overview: 17+ 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 ` [PATCH v3 01/11] swiotlb-xen: use vmalloc_to_page on vmalloc virt addresses Stefano Stabellini
2020-07-10 22:34 ` [PATCH v3 02/11] swiotlb-xen: remove start_dma_addr 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 ` [PATCH v3 04/11] swiotlb-xen: add struct device * parameter to xen_bus_to_phys Stefano Stabellini
2020-07-10 22:34 ` Stefano Stabellini [this message]
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 ` [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
2020-08-04 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
2020-08-04 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
2020-08-04 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
2020-08-04 5:56 ` [PATCH v3 00/11] fix swiotlb-xen for RPi4 Jürgen Groß
2020-08-04 15:52 ` Stefano Stabellini
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