[PATCH v3 04/16] iommu/vt-d: move device_domain_info to header

Jacob Pan
2017-11-17T18:55:42Z

Allow both intel-iommu.c and dmar.c to access device_domain_info.
Prepare for additional per device arch data used in TLB flush function

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/intel-iommu.c | 18 ------------------
include/linux/intel-iommu.h | 19 +++++++++++++++++++
2 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 3d1901d..399b504 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -391,24 +391,6 @@ struct dmar_domain {
iommu core */
};

-/* PCI domain-device relationship */
-struct device_domain_info {
- struct list_head link; /* link to domain siblings */
- struct list_head global; /* link to global list */
- u8 bus; /* PCI bus number */
- u8 devfn; /* PCI devfn number */
- u8 pasid_supported:3;
- u8 pasid_enabled:1;
- u8 pri_supported:1;
- u8 pri_enabled:1;
- u8 ats_supported:1;
- u8 ats_enabled:1;
- u8 ats_qdep;
- struct device *dev; /* it's NULL for PCIe-to-PCI bridge */
- struct intel_iommu *iommu; /* IOMMU used by this device */
- struct dmar_domain *domain; /* pointer to domain */
-};
-
struct dmar_rmrr_unit {
struct list_head list; /* list of rmrr units */
struct acpi_dmar_header *hdr; /* ACPI header */
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 77ea056..8d38e24 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -458,6 +458,25 @@ struct intel_iommu {
u32 flags; /* Software defined flags */
};

+/* PCI domain-device relationship */
+struct device_domain_info {
+ struct list_head link; /* link to domain siblings */
+ struct list_head global; /* link to global list */
+ u8 bus; /* PCI bus number */
+ u8 devfn; /* PCI devfn number */
+ u8 pasid_supported:3;
+ u8 pasid_enabled:1;
+ u8 pri_supported:1;
+ u8 pri_enabled:1;
+ u8 ats_supported:1;
+ u8 ats_enabled:1;
+ u8 ats_qdep;
+ u64 fault_mask; /* selected IOMMU faults to be reported */
+ struct device *dev; /* it's NULL for PCIe-to-PCI bridge */
+ struct intel_iommu *iommu; /* IOMMU used by this device */
+ struct dmar_domain *domain; /* pointer to domain */
+};
+
static inline void __iommu_flush_cache(
struct intel_iommu *iommu, void *addr, int size)
{
--
2.7.4