From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Auger Eric <eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: drjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
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christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
eric.auger.pro-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v6 08/18] iommu/vt-d: Implement reserved region get/put callbacks
Date: Fri, 6 Jan 2017 13:46:31 +0100 [thread overview]
Message-ID: <20170106124631.GP17255@8bytes.org> (raw)
In-Reply-To: <36bac0a9-89a6-ff7b-1870-a795a4f57700-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Fri, Jan 06, 2017 at 12:45:54PM +0100, Auger Eric wrote:
> On 06/01/2017 12:01, Joerg Roedel wrote:
> > On Thu, Jan 05, 2017 at 07:04:36PM +0000, Eric Auger wrote:
> > That is different from what AMD does, can you also report the RMRR
> > regions for the device here (as direct-map regions)?
>
> if I return RMRR regions as direct mapped regions,
> iommu_group_create_direct_mappings will perform the 1-1 mapping.
No, this will not happen until the Intel IOMMU driver returns valid
IOMMU_DOMAIN_DMA type domains.
> I am not familiar with the intel-iommu code but I guess this job
> currently is done in the intel driver:
> iommu_prepare_rmrr_dev -> iommu_prepare_identity_map
> ->domain_prepare_identity_map -> iommu_domain_identity_map?
Right, this is done in the Intel driver atm.
Joerg
next prev parent reply other threads:[~2017-01-06 12:46 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-05 19:04 [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Eric Auger
[not found] ` <1483643086-2883-1-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-05 19:04 ` [PATCH v6 01/18] iommu/dma: Allow MSI-only cookies Eric Auger
[not found] ` <1483643086-2883-2-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 10:59 ` Joerg Roedel
[not found] ` <20170106105945.GK17255-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-06 11:46 ` Auger Eric
[not found] ` <b058a7f9-84bf-1d5c-1c24-24da251cc964-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 12:12 ` Robin Murphy
[not found] ` <ae222579-6939-b89a-80c2-9ee8f147299e-5wv7dgnIgG8@public.gmane.org>
2017-01-06 13:05 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 02/18] iommu: Rename iommu_dm_regions into iommu_resv_regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 03/18] iommu: Add a new type field in iommu_resv_region Eric Auger
2017-01-05 19:04 ` [PATCH v6 04/18] iommu: iommu_alloc_resv_region Eric Auger
2017-01-05 19:04 ` [PATCH v6 05/18] iommu: Only map direct mapped regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 06/18] iommu: iommu_get_group_resv_regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 07/18] iommu: Implement reserved_regions iommu-group sysfs file Eric Auger
[not found] ` <1483643086-2883-8-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 11:00 ` Joerg Roedel
[not found] ` <20170106110039.GL17255-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-06 11:46 ` Auger Eric
[not found] ` <888d3750-817c-77d1-8154-e77cf8c3ad4b-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 12:48 ` Joerg Roedel
[not found] ` <20170106124816.GQ17255-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-06 13:04 ` Auger Eric
2017-01-06 17:18 ` Auger Eric
[not found] ` <0858b719-2888-0645-66d2-56fe698f4e2f-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-08 16:26 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 08/18] iommu/vt-d: Implement reserved region get/put callbacks Eric Auger
[not found] ` <1483643086-2883-9-git-send-email-eric.auger-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 11:01 ` Joerg Roedel
[not found] ` <20170106110131.GM17255-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-06 11:45 ` Auger Eric
[not found] ` <36bac0a9-89a6-ff7b-1870-a795a4f57700-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 12:46 ` Joerg Roedel [this message]
[not found] ` <20170106124631.GP17255-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-01-06 13:03 ` Auger Eric
2017-01-05 19:04 ` [PATCH v6 09/18] iommu/amd: Declare MSI and HT regions as reserved IOVA regions Eric Auger
2017-01-05 19:04 ` [PATCH v6 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger
2017-01-05 19:04 ` [PATCH v6 11/18] iommu/arm-smmu-v3: " Eric Auger
2017-01-05 19:04 ` [PATCH v6 12/18] irqdomain: Add irq domain MSI and MSI_REMAP flags Eric Auger
2017-01-05 19:04 ` [PATCH v6 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation Eric Auger
2017-01-05 19:04 ` [PATCH v6 14/18] irqdomain: irq_domain_check_msi_remap Eric Auger
2017-01-05 19:04 ` [PATCH v6 15/18] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Eric Auger
2017-01-05 19:04 ` [PATCH v6 16/18] vfio/type1: Allow transparent MSI IOVA allocation Eric Auger
2017-01-05 19:04 ` [PATCH v6 17/18] vfio/type1: Check MSI remapping at irq domain level Eric Auger
2017-01-06 8:50 ` Bharat Bhushan
[not found] ` <AM5PR0401MB25454B0C8F6E610A50B299D19A630-oQ3wXcTHOqrg6d/1FbYcvI3W/0Ik+aLCnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-01-06 9:08 ` Auger Eric
[not found] ` <af612e18-ca0b-b855-e198-d4c706f2febc-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-01-06 9:20 ` Marc Zyngier
[not found] ` <845d7167-6734-03c9-4df6-2f82f1627dbc-5wv7dgnIgG8@public.gmane.org>
2017-01-06 9:31 ` Bharat Bhushan
2017-01-05 19:04 ` [PATCH v6 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Eric Auger
2017-01-06 11:02 ` [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Joerg Roedel
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