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From: Rob Herring <robh@kernel.org>
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: kevin.tian@intel.com, lorenzo.pieralisi@arm.com,
	tnowicki@caviumnetworks.com, devicetree@vger.kernel.org,
	jasowang@redhat.com, linux-pci@vger.kernel.org, joro@8bytes.org,
	mst@redhat.com, will.deacon@arm.com,
	virtualization@lists.linux-foundation.org,
	iommu@lists.linux-foundation.org, robh+dt@kernel.org,
	marc.zyngier@arm.com, robin.murphy@arm.com,
	kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v3 2/7] dt-bindings: virtio: Add virtio-pci-iommu node
Date: Wed, 17 Oct 2018 19:35:02 -0500	[thread overview]
Message-ID: <20181018003502.GA28260@bogus> (raw)
In-Reply-To: <20181012145917.6840-3-jean-philippe.brucker@arm.com>

On Fri, 12 Oct 2018 15:59:12 +0100, Jean-Philippe Brucker wrote:
> Some systems implement virtio-iommu as a PCI endpoint. The operating
> systems needs to discover the relationship between IOMMU and masters long
> before the PCI endpoint gets probed. Add a PCI child node to describe the
> virtio-iommu device.
> 
> The virtio-pci-iommu is conceptually split between a PCI programming
> interface and a translation component on the parent bus. The latter
> doesn't have a node in the device tree. The virtio-pci-iommu node
> describes both, by linking the PCI endpoint to "iommus" property of DMA
> master nodes and to "iommu-map" properties of bus nodes.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
> ---
>  .../devicetree/bindings/virtio/iommu.txt      | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/virtio/iommu.txt
> 

Reviewed-by: Rob Herring <robh@kernel.org>

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: iommu@lists.linux-foundation.org,
	virtualization@lists.linux-foundation.org,
	devicetree@vger.kernel.org, linux-pci@vger.kernel.org,
	kvmarm@lists.cs.columbia.edu, peter.maydell@linaro.org,
	joro@8bytes.org, mst@redhat.com, jasowang@redhat.com,
	robh+dt@kernel.org, mark.rutland@arm.com, eric.auger@redhat.com,
	tnowicki@caviumnetworks.com, kevin.tian@intel.com,
	marc.zyngier@arm.com, robin.murphy@arm.com, will.deacon@arm.com,
	lorenzo.pieralisi@arm.com
Subject: Re: [PATCH v3 2/7] dt-bindings: virtio: Add virtio-pci-iommu node
Date: Wed, 17 Oct 2018 19:35:02 -0500	[thread overview]
Message-ID: <20181018003502.GA28260@bogus> (raw)
In-Reply-To: <20181012145917.6840-3-jean-philippe.brucker@arm.com>

On Fri, 12 Oct 2018 15:59:12 +0100, Jean-Philippe Brucker wrote:
> Some systems implement virtio-iommu as a PCI endpoint. The operating
> systems needs to discover the relationship between IOMMU and masters long
> before the PCI endpoint gets probed. Add a PCI child node to describe the
> virtio-iommu device.
> 
> The virtio-pci-iommu is conceptually split between a PCI programming
> interface and a translation component on the parent bus. The latter
> doesn't have a node in the device tree. The virtio-pci-iommu node
> describes both, by linking the PCI endpoint to "iommus" property of DMA
> master nodes and to "iommu-map" properties of bus nodes.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
> ---
>  .../devicetree/bindings/virtio/iommu.txt      | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/virtio/iommu.txt
> 

Reviewed-by: Rob Herring <robh@kernel.org>

  reply	other threads:[~2018-10-18  0:35 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-12 14:59 [PATCH v3 0/7] Add virtio-iommu driver Jean-Philippe Brucker
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59 ` [PATCH v3 1/7] dt-bindings: virtio-mmio: Add IOMMU description Jean-Philippe Brucker
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
2018-10-18  0:30   ` Rob Herring
     [not found]   ` <20181012145917.6840-2-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-18  0:30     ` Rob Herring
2018-10-18  0:30       ` Rob Herring
2018-11-15  8:45   ` Auger Eric
2018-11-15  8:45     ` Auger Eric
2018-10-12 14:59 ` [PATCH v3 2/7] dt-bindings: virtio: Add virtio-pci-iommu node Jean-Philippe Brucker
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
2018-10-18  0:35   ` Rob Herring [this message]
2018-10-18  0:35     ` Rob Herring
2018-10-18  0:35   ` Rob Herring
2018-11-15  8:45   ` Auger Eric
2018-11-15  8:45   ` Auger Eric
2018-11-15  8:45     ` Auger Eric
2018-10-12 14:59 ` [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu Jean-Philippe Brucker
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
     [not found]   ` <20181012145917.6840-4-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-12 19:41     ` Bjorn Helgaas
2018-10-12 19:41       ` Bjorn Helgaas
2018-10-15 10:52       ` Michael S. Tsirkin
2018-10-15 11:32       ` Robin Murphy
     [not found]       ` <20181012194158.GX5906-1RhO1Y9PlrlHTL0Zs8A6p5iNqAH0jzoTYJqu5kTmcBRl57MIdRCFDg@public.gmane.org>
2018-10-15 10:52         ` Michael S. Tsirkin
2018-10-15 10:52           ` Michael S. Tsirkin
     [not found]           ` <20181015065024-mutt-send-email-mst-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2018-10-15 19:46             ` Jean-philippe Brucker
2018-10-15 19:46               ` Jean-philippe Brucker
2018-10-17 15:14               ` Michael S. Tsirkin
2018-10-17 15:14                 ` Michael S. Tsirkin
2018-10-18 10:47                 ` Robin Murphy
2018-10-18 10:47                 ` Robin Murphy
2018-10-18 10:47                   ` Robin Murphy
     [not found]                 ` <20181017111100-mutt-send-email-mst-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2018-10-22 11:27                   ` Jean-Philippe Brucker
2018-10-22 11:27                     ` Jean-Philippe Brucker
2018-10-22 11:27                 ` Jean-Philippe Brucker
2018-10-15 11:32         ` Robin Murphy
2018-10-15 11:32           ` Robin Murphy
2018-10-15 19:45         ` Jean-philippe Brucker
2018-10-15 19:45           ` Jean-philippe Brucker
2018-10-12 14:59 ` [PATCH v3 4/7] PCI: OF: Initialize dev->fwnode appropriately Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
     [not found]   ` <20181012145917.6840-5-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-12 19:44     ` Bjorn Helgaas
2018-10-12 19:44       ` Bjorn Helgaas
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59 ` [PATCH v3 5/7] iommu: Add virtio-iommu driver Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
2018-10-12 16:35   ` Michael S. Tsirkin
2018-10-12 16:35   ` Michael S. Tsirkin
2018-10-12 16:35     ` Michael S. Tsirkin
     [not found]     ` <20181012120953-mutt-send-email-mst-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2018-10-12 18:54       ` Jean-Philippe Brucker
2018-10-12 18:54         ` Jean-Philippe Brucker
2018-10-12 18:54     ` Jean-Philippe Brucker
2018-11-08 14:51     ` Auger Eric
2018-11-08 14:51       ` Auger Eric
2018-11-08 16:46       ` Jean-Philippe Brucker
2018-11-08 16:46         ` Jean-Philippe Brucker
2018-11-08 16:46       ` Jean-Philippe Brucker
2018-11-08 14:51     ` Auger Eric
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59 ` [PATCH v3 6/7] iommu/virtio: Add probe request Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
2018-10-12 16:42   ` Michael S. Tsirkin
2018-10-12 16:42     ` Michael S. Tsirkin
2018-11-08 14:48   ` Auger Eric
     [not found]   ` <20181012145917.6840-7-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-11-08 14:48     ` Auger Eric
2018-11-08 14:48       ` Auger Eric
     [not found]       ` <295d30bb-5aef-2727-01c0-ec10c7a8fa8c-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-11-08 16:46         ` Jean-Philippe Brucker
2018-11-08 16:46           ` Jean-Philippe Brucker
2018-11-08 16:46       ` Jean-Philippe Brucker
2018-11-15 13:20     ` Auger Eric
2018-11-15 13:20       ` Auger Eric
2018-11-15 16:22       ` Jean-Philippe Brucker
2018-11-15 16:22         ` Jean-Philippe Brucker
2018-11-15 16:22       ` Jean-Philippe Brucker
2018-11-15 13:20   ` Auger Eric
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59 ` [PATCH v3 7/7] iommu/virtio: Add event queue Jean-Philippe Brucker
2018-10-12 14:59 ` Jean-Philippe Brucker
2018-10-12 14:59   ` Jean-Philippe Brucker
2018-10-12 17:00 ` [PATCH v3 0/7] Add virtio-iommu driver Michael S. Tsirkin
     [not found] ` <20181012145917.6840-1-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-12 17:00   ` Michael S. Tsirkin
2018-10-12 17:00     ` Michael S. Tsirkin
2018-10-12 18:55     ` Jean-Philippe Brucker
     [not found]     ` <20181012125443-mutt-send-email-mst-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2018-10-12 18:55       ` Jean-Philippe Brucker
2018-10-12 18:55         ` Jean-Philippe Brucker
2018-10-16  9:25   ` Auger Eric
2018-10-16  9:25     ` Auger Eric
2018-10-16 18:44     ` Jean-Philippe Brucker
2018-10-16 18:44       ` Jean-Philippe Brucker
2018-10-16 20:31       ` Auger Eric
2018-10-16 20:31         ` Auger Eric
2018-10-17 11:54         ` Jean-Philippe Brucker
2018-10-17 11:54           ` Jean-Philippe Brucker
2018-10-17 15:23           ` Michael S. Tsirkin
2018-10-17 15:23             ` Michael S. Tsirkin
2018-10-17 15:23           ` Michael S. Tsirkin
2018-10-16 18:44     ` Jean-Philippe Brucker
2018-10-16  9:25 ` Auger Eric

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