From: <wdavis@nvidia.com>
To: Joerg Roedel <joro@8bytes.org>, Bjorn Helgaas <bhelgaas@google.com>
Cc: Terence Ripperda <tripperda@nvidia.com>,
John Hubbard <jhubbard@nvidia.com>,
Jerome Glisse <jglisse@redhat.com>,
Mark Hounschell <markh@compro.net>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Jonathan Corbet <corbet@lwn.net>,
"David S. Miller" <davem@davemloft.net>,
Yijing Wang <wangyijing@huawei.com>,
Alex Williamson <alex.williamson@redhat.com>,
Dave Jiang <dave.jiang@intel.com>,
<iommu@lists.linux-foundation.org>, <linux-pci@vger.kernel.org>,
Will Davis <wdavis@nvidia.com>
Subject: [PATCH v3 3/7] dma-mapping: pci: add pci_(un)map_resource
Date: Fri, 29 May 2015 12:14:42 -0500 [thread overview]
Message-ID: <1432919686-32306-4-git-send-email-wdavis@nvidia.com> (raw)
In-Reply-To: <1432919686-32306-1-git-send-email-wdavis@nvidia.com>
From: Will Davis <wdavis@nvidia.com>
Simply route these through to the new dma_(un)map_resource APIs.
Signed-off-by: Will Davis <wdavis@nvidia.com>
Reviewed-by: Terence Ripperda <tripperda@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
---
include/asm-generic/pci-dma-compat.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index c110843..ac4a4ad 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -61,6 +61,20 @@ pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
}
+static inline dma_addr_t
+pci_map_resource(struct pci_dev *hwdev, struct resource *resource,
+ unsigned long offset, size_t size, int direction)
+{
+ return dma_map_resource(hwdev == NULL ? NULL : &hwdev->dev, resource, offset, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_resource(struct pci_dev *hwdev, dma_addr_t dma_address, size_t size,
+ int direction)
+{
+ dma_unmap_resource(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
+}
+
static inline int
pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
int nents, int direction)
--
2.4.0
next prev parent reply other threads:[~2015-05-29 17:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-29 17:14 [PATCH v3 0/7] IOMMU/DMA map_resource support for peer-to-peer wdavis
2015-05-29 17:14 ` [PATCH v3 1/7] dma-debug: add checking for map/unmap_resource wdavis
2015-05-29 17:14 ` [PATCH v3 2/7] DMA-API: Introduce dma_(un)map_resource wdavis
2015-05-29 17:14 ` wdavis [this message]
2015-07-01 16:06 ` [PATCH v3 3/7] dma-mapping: pci: add pci_(un)map_resource Bjorn Helgaas
2015-07-01 18:31 ` Bjorn Helgaas
2015-07-06 15:16 ` Will Davis
2015-05-29 17:14 ` [PATCH v3 4/7] DMA-API: Add dma_(un)map_resource() documentation wdavis
2015-05-29 17:14 ` [PATCH v3 5/7] iommu/amd: Implement (un)map_resource wdavis
2015-07-01 16:13 ` Bjorn Helgaas
2015-05-29 17:14 ` [PATCH v3 6/7] iommu/vt-d: implement (un)map_resource wdavis
2015-05-29 17:14 ` [PATCH v3 7/7] x86: add pci-nommu implementation of map_resource wdavis
2015-07-01 16:45 ` Bjorn Helgaas
2015-07-01 18:14 ` Will Davis
2015-07-07 15:34 ` Bjorn Helgaas
2015-07-07 18:59 ` Will Davis
2015-06-15 15:49 ` [PATCH v3 0/7] IOMMU/DMA map_resource support for peer-to-peer William Davis
2015-07-01 15:11 ` William Davis
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