From: Joerg Roedel <joro@8bytes.org>
To: Jordan Crouse <jcrouse@codeaurora.org>
Cc: freedreno@lists.freedesktop.org, jean-philippe.brucker@arm.com,
linux-arm-msm@vger.kernel.org, dianders@chromimum.org,
hoegsberg@google.com, baolu.lu@linux.intel.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 04/15] iommu: Add DOMAIN_ATTR_PTBASE
Date: Mon, 18 Mar 2019 10:53:21 +0100 [thread overview]
Message-ID: <20190318095321.GA5417@8bytes.org> (raw)
In-Reply-To: <1551469117-3404-5-git-send-email-jcrouse@codeaurora.org>
On Fri, Mar 01, 2019 at 12:38:26PM -0700, Jordan Crouse wrote:
> Add an attribute to return the base address of the pagetable. This is used
> by auxiliary domains from arm-smmu to return the address of the pagetable
> to the leaf driver so that it can set the appropriate pagetable through
> it's own means.
What is this going to be used for? Page-table management is supposed to
happen in the arm-smmu driver and the gpu driver only makes changes
through iommu_map/iommu_unmap calls.
Regards,
Joerg
next prev parent reply other threads:[~2019-03-18 9:53 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 19:38 [RFC PATCH v1 00/15] drm/msm: Per-instance pagetable support Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
[not found] ` <1551469117-3404-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2019-03-01 19:38 ` [RFC PATCH v1 01/15] iommu: Add DOMAIN_ATTR_SPLIT_TABLES Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 02/15] iommu/arm-smmu: Add split pagetable support for arm-smmu-v2 Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
[not found] ` <1551469117-3404-3-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2019-03-01 20:25 ` Rob Clark
2019-03-01 20:25 ` [Freedreno] " Rob Clark
2019-03-01 20:25 ` Rob Clark
2019-03-01 19:38 ` [RFC PATCH v1 03/15] iommu/io-pgtable: Allow TLB operations to be optional Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 04/15] iommu: Add DOMAIN_ATTR_PTBASE Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-18 9:53 ` Joerg Roedel [this message]
[not found] ` <20190318095321.GA5417-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2019-03-18 14:19 ` Jordan Crouse
2019-03-18 14:19 ` Jordan Crouse
2019-04-26 14:13 ` Joerg Roedel
2019-04-26 14:13 ` Joerg Roedel
2019-03-01 19:38 ` [RFC PATCH v1 05/15] iommu/arm-smmu: Add auxiliary domain support for arm-smmuv2 Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-04 12:19 ` Jean-Philippe Brucker
2019-03-04 12:19 ` Jean-Philippe Brucker
2019-03-01 19:38 ` [RFC PATCH v1 06/15] drm/msm/adreno: Enable 64 bit mode by default on a5xx and a6xx targets Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 08/15] drm/msm: Pass the MMU domain index in struct msm_file_private Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 09/15] drm/msm/gpu: Move address space setup to the GPU targets Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
[not found] ` <1551469117-3404-10-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2019-03-01 23:01 ` Jonathan Marek
2019-03-01 23:01 ` Jonathan Marek
2019-03-01 19:38 ` [RFC PATCH v1 11/15] drm/msm: Add a helper function for a per-instance address space Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 07/15] drm/msm: Print all 64 bits of the faulting IOMMU address Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 10/15] drm/msm: Add support for IOMMU auxiliary domains Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 12/15] drm/msm: Add support to create target specific address spaces Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 13/15] drm/msm/gpu: Add ttbr0 to the memptrs Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 14/15] drm/msm/a6xx: Support per-instance pagetables Jordan Crouse
2019-03-01 19:38 ` [RFC PATCH v1 15/15] drm/msm/a5xx: " Jordan Crouse
2019-03-01 19:38 ` Jordan Crouse
[not found] ` <1551469117-3404-16-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2019-03-01 20:24 ` Rob Clark
2019-03-01 20:24 ` Rob Clark
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