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List: linux-iommu
Subject: [PATCH 6/9] VT-d: add device attach and detach functions for IOMMU API
From: joerg.roedel () amd ! com (Joerg Roedel)
Date: 2008-11-27 15:40:51
Message-ID: 1227800454-9555-7-git-send-email-joerg.roedel () amd ! com
[Download RAW message or body]
Signed-off-by: Joerg Roedel <joerg.roedel at amd.com>
---
drivers/pci/intel-iommu.c | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index b958b6f..a90c832 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2460,3 +2460,35 @@ static void intel_iommu_domain_destroy(struct iommu_domain *domain)
intel_iommu_domain_exit(dmar_domain);
domain->priv = NULL;
}
+
+static int intel_iommu_attach_device(struct iommu_domain *domain,
+ struct device *dev)
+{
+ struct dmar_domain *dmar_domain;
+ struct pci_dev *pdev;
+
+ dmar_domain = domain->priv;
+ pdev = to_pci_dev(dev);
+
+ if (!pdev)
+ return -EINVAL;
+
+ intel_iommu_context_mapping(dmar_domain, pdev);
+
+ return 0;
+}
+
+static void intel_iommu_detach_device(struct iommu_domain *domain,
+ struct device *dev)
+{
+ struct dmar_domain *dmar_domain;
+ struct pci_dev *pdev;
+
+ dmar_domain = domain->priv;
+ pdev = to_pci_dev(dev);
+
+ if (!pdev)
+ return;
+
+ intel_iommu_detach_dev(dmar_domain, pdev->bus->number, pdev->devfn);
+}
--
1.5.6.4
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