linux-kernel - [PATCH 11/12] VT-d: adapt domain iova_to

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Date:	Tue, 2 Dec 2008 14:01:22 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Ingo Molnar <mingo@...hat.com>, Avi Kivity <avi@...hat.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alexander Graf <agraf@...e.de>,
	Han Weidong <weidong.han@...el.com>
CC:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	iommu@...ts.linux-foundation.org,
	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 11/12] VT-d: adapt domain iova_to_phys function for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 drivers/pci/intel-iommu.c   |   15 ++++++++-------
 include/linux/intel-iommu.h |    2 --
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index ac22973..2e8b102 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2913,18 +2913,19 @@ int intel_iommu_found(void)
 }
 EXPORT_SYMBOL_GPL(intel_iommu_found);
 
-u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova)
+static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
+					    unsigned long iova)
 {
+	struct dmar_domain *dmar_domain = domain->priv;
 	struct dma_pte *pte;
-	u64 pfn;
+	phys_addr_t paddr;
 
-	pfn = 0;
-	pte = addr_to_dma_pte(domain, iova);
+	paddr = 0;
+	pte = addr_to_dma_pte(dmar_domain, iova);
 
 	if (pte)
-		pfn = dma_pte_addr(*pte);
+		paddr = dma_pte_addr(*pte);
 
-	return pfn >> VTD_PAGE_SHIFT;
+	return paddr;
 }
-EXPORT_SYMBOL_GPL(intel_iommu_iova_to_pfn);
 
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index ac79a1c..469508f 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -337,8 +337,6 @@ extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
 
 extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 
-u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova);
-
 #ifdef CONFIG_DMAR
 int intel_iommu_found(void);
 #else /* CONFIG_DMAR */
-- 
1.5.6.4


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