linux-kernel - Re: [PATCH v3 0/3] PCIe Host request to reserve IOVA

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CABe79T66daJOditCZ-6ENKW2ugbpDUUfjn1CMHCcDtb3=HiiOQ@mail.gmail.com>
Date:   Thu, 21 Feb 2019 14:29:39 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        poza@...eaurora.org, Ray Jui <rjui@...adcom.com>
Cc:     BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        linux-pci@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/3] PCIe Host request to reserve IOVA

Hi Bjorn,

Please help to review this patch series.
Thank you.

Regards,
Srinath.
On Fri, Jan 25, 2019 at 3:44 PM Srinath Mannam
<srinath.mannam@...adcom.com> wrote:
>
> Few SOCs have limitation that their PCIe host can't allow few inbound
> address ranges. Allowed inbound address ranges are listed in dma-ranges
> DT property and this address ranges are required to do IOVA mapping.
> Remaining address ranges have to be reserved in IOVA mapping.
>
> PCIe Host driver of those SOCs has to list all address ranges which have
> to reserve their IOVA address into PCIe host bridge resource entry list.
> IOMMU framework will reserve these IOVAs while initializing IOMMU domain.
>
> This patch set is based on Linux-5.0-rc2.
>
> Changes from v2:
>   - Patch set rebased to Linux-5.0-rc2
>
> Changes from v1:
>   - Addressed Oza review comments.
>
> Srinath Mannam (3):
>   PCI: Add dma-resv window list
>   iommu/dma: Reserve IOVA for PCI host reserve address list
>   PCI: iproc: Add dma reserve resources to host
>
>  drivers/iommu/dma-iommu.c           |  8 ++++++
>  drivers/pci/controller/pcie-iproc.c | 51 ++++++++++++++++++++++++++++++++++++-
>  drivers/pci/probe.c                 |  3 +++
>  include/linux/pci.h                 |  1 +
>  4 files changed, 62 insertions(+), 1 deletion(-)
>
> --
> 2.7.4
>