From: Joerg Roedel <[email protected]>

This will be used later to match broken RMRR entries.

Signed-off-by: Joerg Roedel <[email protected]>
---
 drivers/iommu/dmar.c | 1 +
 include/linux/dmar.h | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 06d268a..6ba28b0 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -155,6 +155,7 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned 
long event)
        if (event == BUS_NOTIFY_ADD_DEVICE) {
                for (tmp = dev; tmp; tmp = tmp->bus->self) {
                        level--;
+                       info->path[level].bus = tmp->bus->number;
                        info->path[level].device = PCI_SLOT(tmp->devfn);
                        info->path[level].function = PCI_FUNC(tmp->devfn);
                        if (pci_is_root_bus(tmp->bus))
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 1deece4..593fff9 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -56,13 +56,19 @@ struct dmar_drhd_unit {
        struct intel_iommu *iommu;
 };
 
+struct dmar_pci_path {
+       u8 bus;
+       u8 device;
+       u8 function;
+};
+
 struct dmar_pci_notify_info {
        struct pci_dev                  *dev;
        unsigned long                   event;
        int                             bus;
        u16                             seg;
        u16                             level;
-       struct acpi_dmar_pci_path       path[];
+       struct dmar_pci_path            path[];
 }  __attribute__((packed));
 
 extern struct rw_semaphore dmar_global_lock;
-- 
1.9.1

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