linux-kernel - [PATCH v2 0/2] Enable ATS for the devices in SATC table

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Date:   Tue, 22 Feb 2022 10:54:14 -0800
From:   Yian Chen <yian.chen@...el.com>
To:     David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Sohil Mehta <sohil.mehta@...el.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Yian Chen <yian.chen@...el.com>
Subject: [PATCH v2 0/2] Enable ATS for the devices in SATC table

The devices in BIOS SATC (SoC integrated Address Translation Cache)
table are all trusted devices to use ATS. This patch set enables
ATS for them.

---
v2:
  - Use dmar_find_matched_satc_unit() to avoid hard coded
    return value.
  - add static declaration for dmar_ats_supported()
    (the function modified from 
     dmar_find_matched_atsr_unit())
---

Yian Chen (2):
  iommu/vt-d: Enable ATS for the devices in SATC table
  iommu/vt-d: Declare dmar_ats_supported() as static function

 drivers/iommu/intel/iommu.c | 128 +++++++++++++++++++++++-------------
 include/linux/intel-iommu.h |   1 -
 2 files changed, 83 insertions(+), 46 deletions(-)

-- 
2.25.1