[PATCH 0/5] iommu/vt-d: Add page request draining support

[Lu Baolu]

When a PASID is stopped or terminated, there can be pending
PRQs (requests that haven't received responses) in remapping
hardware. VT-d driver must drain the pending page requests so
that the pasid could be reused. The register level interface
for page request draining is defined in 7.11 of the VT-d spec.
This series adds the support for page requests draining.

This functionality was mainly developed and tested by
	Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
	Liu Yi L <yi.l.liu@xxxxxxxxx>.
Thanks a lot.

Please help to review.

Best regards,
baolu

Jacob Pan (1):
  iommu/vt-d: Add page request draining support

Lu Baolu (4):
  iommu/vt-d: Add get_domain_info() helper
  iommu/vt-d: Refactor parameters for qi_submit_sync()
  iommu/vt-d: Multiple descriptors per qi_submit_sync()
  iommu/vt-d: Refactor prq_event_thread()

 drivers/iommu/dmar.c                |  50 ++++---
 drivers/iommu/intel-iommu.c         |  38 +++--
 drivers/iommu/intel-pasid.c         |  16 +--
 drivers/iommu/intel-svm.c           | 207 ++++++++++++++++++++++++----
 drivers/iommu/intel_irq_remapping.c |   2 +-
 include/linux/intel-iommu.h         |   9 +-
 6 files changed, 258 insertions(+), 64 deletions(-)

-- 
2.17.1