From: Jean-Philippe Brucker <jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
"Tian,
Kevin" <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Cc: "gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org"
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
"alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"will.deacon-5wv7dgnIgG8@public.gmane.org"
<will.deacon-5wv7dgnIgG8@public.gmane.org>,
"christian.koenig-5C7GfCeVMHo@public.gmane.org"
<christian.koenig-5C7GfCeVMHo@public.gmane.org>,
"rafael-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org"
<rafael-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [RFC PATCH 0/6] Auxiliary IOMMU domains and Arm SMMUv3
Date: Mon, 22 Oct 2018 19:01:07 +0100 [thread overview]
Message-ID: <2b25fb8c-bf87-0aa4-53c5-4e199a8b2f5d@arm.com> (raw)
In-Reply-To: <11f88122-afd3-a34c-3cd4-db681bf5498b-5wv7dgnIgG8@public.gmane.org>
On 22/10/2018 12:50, Robin Murphy wrote:
> To me, that sounds like a very good argument for having separate "attach
> as primary domain" and "attach as aux domain" APIs. Say a driver wants
> to use multiple aux domains itself to isolate logically-separate
> transaction streams, but still also needs to control the main domain for
> transactions without PASID (interrupts?)
Yes, MSIs don't have a PASID (well, shouldn't). So in Arm systems, where
the address of the IRQ chip is translated by the SMMU, they are mapped
in the main domain.
Thanks,
Jean
next prev parent reply other threads:[~2018-10-22 18:01 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-19 18:11 [RFC PATCH 0/6] Auxiliary IOMMU domains and Arm SMMUv3 Jean-Philippe Brucker
[not found] ` <20181019181158.2395-1-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-19 18:11 ` [RFC PATCH 1/6] iommu: Adapt attach/detach_dev() for auxiliary domains Jean-Philippe Brucker
[not found] ` <20181019181158.2395-2-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-22 2:32 ` Lu Baolu
2018-10-19 18:11 ` [RFC PATCH 2/6] drivers core: Add I/O ASID allocator Jean-Philippe Brucker
[not found] ` <20181019181158.2395-3-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>
2018-10-22 4:49 ` Lu Baolu
[not found] ` <9c6cd6c1-3569-4251-8344-fc9df0e743bc-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-10-22 10:22 ` Raj, Ashok
[not found] ` <20181022102254.GA25399-7RUrO8UaCDyr4tA6zuQqW9h3ngVCH38I@public.gmane.org>
2018-10-23 6:56 ` Lu Baolu
[not found] ` <02006e4f-2acf-6ff8-b695-c54c99509b46-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-10-23 22:13 ` Tian, Kevin
2018-11-07 4:53 ` Lu Baolu
[not found] ` <fb2bd5fe-5742-fcd8-b8f0-1885040e8d4f-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-11-08 18:51 ` Jean-Philippe Brucker
2018-11-12 14:40 ` Joerg Roedel
[not found] ` <20181112144039.GA25808-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-21 11:16 ` Jean-Philippe Brucker
[not found] ` <8f17757a-c657-aab9-a6a0-fb0cc9c610a8-5wv7dgnIgG8@public.gmane.org>
2018-11-21 19:10 ` Koenig, Christian
[not found] ` <62f05552-df46-6e12-10ed-820429dfda59-5C7GfCeVMHo@public.gmane.org>
2018-11-22 6:59 ` Tian, Kevin
2018-11-22 8:38 ` Joerg Roedel
2018-11-22 8:44 ` Joerg Roedel
[not found] ` <20181122084429.GB1586-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-22 11:17 ` Jean-Philippe Brucker
2018-10-19 18:11 ` [RFC PATCH 3/6] iommu/sva: Use external PASID allocator Jean-Philippe Brucker
2018-10-19 18:11 ` [RFC PATCH 4/6] iommu/sva: Support AUXD feature Jean-Philippe Brucker
2018-10-19 18:11 ` [RFC PATCH 5/6] iommu/arm-smmu-v3: Implement detach_dev op Jean-Philippe Brucker
2018-10-19 18:11 ` [RFC PATCH 6/6] iommu/arm-smmu-v3: Add support for auxiliary domains Jean-Philippe Brucker
2018-10-20 3:36 ` [RFC PATCH 0/6] Auxiliary IOMMU domains and Arm SMMUv3 Xu Zaibo
2018-10-22 6:53 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE0E176-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-10-22 11:50 ` Robin Murphy
[not found] ` <11f88122-afd3-a34c-3cd4-db681bf5498b-5wv7dgnIgG8@public.gmane.org>
2018-10-22 15:35 ` Jordan Crouse
2018-10-22 18:01 ` Jean-Philippe Brucker [this message]
2018-11-06 16:25 ` joro-zLv9SwRftAIdnm+yROfE0A
[not found] ` <20181106162539.4gmkvg57mja3bn7k-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-07 3:40 ` Lu Baolu
[not found] ` <e22e3631-2ecb-664d-5666-8e0f865dec83-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-11-07 16:43 ` joro-zLv9SwRftAIdnm+yROfE0A
[not found] ` <20181107164323.GA19831-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-07 17:23 ` Alex Williamson
2018-11-21 4:40 ` Lu Baolu
[not found] ` <758bb120-5bc0-1e2d-ccd0-9be0bcc5d8bc-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-11-23 11:21 ` joro-zLv9SwRftAIdnm+yROfE0A
[not found] ` <20181123112125.GF1586-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-25 6:51 ` Lu Baolu
2018-11-26 3:01 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE68777@SHSMSX101.ccr.corp.intel.com>
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE68777-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-11-26 7:29 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE689B8-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-12-07 10:29 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
[not found] ` <20181207102926.GM16835-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-12-10 2:06 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE95394-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-12-10 8:57 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
[not found] ` <20181210085745.GN16835-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-12-11 18:34 ` Jean-Philippe Brucker
[not found] ` <4be63d12-fa1c-b180-761b-5e8ceed58545-5wv7dgnIgG8@public.gmane.org>
2018-12-12 9:22 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
2018-12-12 9:31 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE9D6CA-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-12-12 9:54 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
[not found] ` <20181212095403.GU16835-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-12-12 10:03 ` Tian, Kevin
2018-12-10 2:57 ` Lu Baolu
[not found] ` <bf1ee4a3-6d3f-e0db-a02a-1db819843a60-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-12-10 8:59 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
2018-12-11 13:35 ` Jean-Philippe Brucker
[not found] ` <fc173d9f-57e2-dd87-95d0-1c615f2e14e3-5wv7dgnIgG8@public.gmane.org>
2018-12-12 9:29 ` 'joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org'
2018-11-08 18:29 ` Jean-Philippe Brucker
[not found] ` <42949d93-e22c-dd4d-cd49-46efc0b73cdb-5wv7dgnIgG8@public.gmane.org>
2018-11-12 14:55 ` joro-zLv9SwRftAIdnm+yROfE0A
[not found] ` <20181112145541.GB25808-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2018-11-21 19:05 ` Jean-Philippe Brucker
[not found] ` <5dcf9238-62b2-8df6-b378-183ee09c5951-5wv7dgnIgG8@public.gmane.org>
2018-11-23 12:50 ` joro-zLv9SwRftAIdnm+yROfE0A
2018-11-22 8:39 ` Tian, Kevin
[not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19BE5A7A7-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2018-11-23 12:14 ` joro-zLv9SwRftAIdnm+yROfE0A
2018-10-22 10:07 ` Raj, Ashok
[not found] ` <20181021194426.GA11201-7RUrO8UaCDyr4tA6zuQqW9h3ngVCH38I@public.gmane.org>
2018-10-22 16:03 ` Jean-Philippe Brucker
[not found] ` <d45c5222-68e9-1d6e-730b-bb8dbc060586-5wv7dgnIgG8@public.gmane.org>
2018-10-23 17:16 ` Raj, Ashok
[not found] ` <1540314963.21962.20.camel-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-10-23 22:08 ` Tian, Kevin
2018-10-26 3:00 ` Lu Baolu
2018-10-22 16:48 ` Jordan Crouse
[not found] ` <20181022164834.GH26762-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org>
2018-11-02 3:19 ` Lu Baolu
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