diff options
| author | Ohad Ben-Cohen <ohad@wizery.com> | 2011-06-10 21:42:27 +0300 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-06-21 10:49:30 +0200 |
| commit | 166e9278a3f98bab29ebb3d685a81cfb11b98be0 (patch) | |
| tree | f8f3e8a28c5d96d9053567d6a9ef8e04e7b298dd /include/linux/pci.h | |
| parent | 29b68415e335ba9e0eb6057f9405aa4d9c23efe4 (diff) | |
| download | lwn-166e9278a3f98bab29ebb3d685a81cfb11b98be0.tar.gz lwn-166e9278a3f98bab29ebb3d685a81cfb11b98be0.zip | |
x86/ia64: intel-iommu: move to drivers/iommu/
This should ease finding similarities with different platforms,
with the intention of solving problems once in a generic framework
which everyone can use.
Note: to move intel-iommu.c, the declaration of pci_find_upstream_pcie_bridge()
has to move from drivers/pci/pci.h to include/linux/pci.h. This is handled
in this patch, too.
As suggested, also drop DMAR's EXPERIMENTAL tag while we're at it.
Compile-tested on x86_64.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index c446b5ca2d38..970bfe0941c3 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1589,5 +1589,16 @@ int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt); int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off, unsigned int len, const char *kw); +/** + * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device + * @pdev: the PCI device + * + * if the device is PCIE, return NULL + * if the device isn't connected to a PCIe bridge (that is its parent is a + * legacy PCI bridge and the bridge is directly connected to bus 0), return its + * parent + */ +struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); + #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */ |