linux-kernel - [PATCH 0/7] iommu/s390: support additional table regions

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Message-ID: <20241209192549.107226-1-mjrosato@linux.ibm.com>
Date: Mon,  9 Dec 2024 14:25:42 -0500
From: Matthew Rosato <mjrosato@...ux.ibm.com>
To: joro@...tes.org, will@...nel.org, robin.murphy@....com,
        gerald.schaefer@...ux.ibm.com, schnelle@...ux.ibm.com
Cc: hca@...ux.ibm.com, gor@...ux.ibm.com, agordeev@...ux.ibm.com,
        svens@...ux.ibm.com, borntraeger@...ux.ibm.com, clegoate@...hat.com,
        iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: [PATCH 0/7] iommu/s390: support additional table regions

The series extends the maximum table size allowed by s390-iommu by
increasing the number of table regions supported.  It also adds logic to
construct the table use the minimum number of regions based upon aperture
calculation.

Matthew Rosato (7):
  iommu/s390: add initial fields to track table size
  s390/pci: set appropriate IOTA region type
  iommu/s390: add basic routines for region 1st and 2nd tables
  iommu/s390: support cleanup of additional table regions
  iommu/s390: support iova_to_phys for additional table regions
  iommu/s390: support map/unmap for additional table regions
  iommu/s390: allow larger region tables

 arch/s390/include/asm/pci.h     |   2 +
 arch/s390/include/asm/pci_dma.h |   3 +
 arch/s390/pci/pci.c             |  17 +-
 drivers/iommu/s390-iommu.c      | 289 +++++++++++++++++++++++++++++---
 4 files changed, 285 insertions(+), 26 deletions(-)

-- 
2.47.0