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PCI: Export ATS functions to modules

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This patch makes the ATS functions usable for modules.
They will be used by a module implementing some advanced
AMD IOMMU features.

Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Joerg Roedel
2011-09-27 15:57:14 +02:00
committed by Jesse Barnes
parent db3c33c6d3
commit d4c0636c21
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/ats.c
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@@ -90,6 +90,7 @@ int pci_enable_ats(struct pci_dev *dev, int ps)
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(pci_enable_ats);
/** /**
* pci_disable_ats - disable the ATS capability * pci_disable_ats - disable the ATS capability
@@ -120,6 +121,7 @@ void pci_disable_ats(struct pci_dev *dev)
if (!dev->is_physfn) if (!dev->is_physfn)
ats_free_one(dev); ats_free_one(dev);
} }
EXPORT_SYMBOL_GPL(pci_disable_ats);
/** /**
* pci_ats_queue_depth - query the ATS Invalidate Queue Depth * pci_ats_queue_depth - query the ATS Invalidate Queue Depth
@@ -153,3 +155,4 @@ int pci_ats_queue_depth(struct pci_dev *dev)
return PCI_ATS_CAP_QDEP(cap) ? PCI_ATS_CAP_QDEP(cap) : return PCI_ATS_CAP_QDEP(cap) ? PCI_ATS_CAP_QDEP(cap) :
PCI_ATS_MAX_QDEP; PCI_ATS_MAX_QDEP;
} }
EXPORT_SYMBOL_GPL(pci_ats_queue_depth);