summaryrefslogtreecommitdiff
path: root/drivers/pci/dmar.c
diff options
context:
space:
mode:
authorYinghai <yinghai.lu@oracle.com>2010-04-09 01:07:55 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-04-09 17:00:00 +0100
commitdda565492776b7dff5f8507298d868745e734aab (patch)
tree0e93c6d3cad304b860fa8b8715a3dbd03832b2ae /drivers/pci/dmar.c
parent680a7524622356f5476e8fad2fe32b2b68b432c0 (diff)
downloadlwn-dda565492776b7dff5f8507298d868745e734aab.tar.gz
lwn-dda565492776b7dff5f8507298d868745e734aab.zip
intel-iommu: use physfn to search drhd for VF
When virtfn is used, we should use physfn to find correct drhd -v2: add pci_physfn() Suggested by Roland Dreier <rdreier@cisco.com> do can remove ifdef in dmar.c -v3: Chris pointed out we need that for dma_find_matched_atsr_unit too also change dmar_pci_device_match() static Signed-off-by: Yinghai Lu <yinghai@kernel.org> Acked-by: Roland Dreier <rdreier@cisco.com> Acked-by: Chris Wright <chrisw@sous-sol.org> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/dmar.c')
-rw-r--r--drivers/pci/dmar.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index d439917f37a9..edc5f002e055 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -309,6 +309,8 @@ int dmar_find_matched_atsr_unit(struct pci_dev *dev)
struct acpi_dmar_atsr *atsr;
struct dmar_atsr_unit *atsru;
+ dev = pci_physfn(dev);
+
list_for_each_entry(atsru, &dmar_atsr_units, list) {
atsr = container_of(atsru->hdr, struct acpi_dmar_atsr, header);
if (atsr->segment == pci_domain_nr(dev->bus))
@@ -507,7 +509,7 @@ parse_dmar_table(void)
return ret;
}
-int dmar_pci_device_match(struct pci_dev *devices[], int cnt,
+static int dmar_pci_device_match(struct pci_dev *devices[], int cnt,
struct pci_dev *dev)
{
int index;
@@ -530,6 +532,8 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev)
struct dmar_drhd_unit *dmaru = NULL;
struct acpi_dmar_hardware_unit *drhd;
+ dev = pci_physfn(dev);
+
list_for_each_entry(dmaru, &dmar_drhd_units, list) {
drhd = container_of(dmaru->hdr,
struct acpi_dmar_hardware_unit,