From: eric.auger@redhat.com (Auger Eric)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 08/18] iommu/vt-d: Implement reserved region get/put callbacks
Date: Fri, 6 Jan 2017 14:03:26 +0100 [thread overview]
Message-ID: <bbad2117-a4ac-056c-9c3a-a7e11e4b5630@redhat.com> (raw)
In-Reply-To: <20170106124631.GP17255@8bytes.org>
Hi Joerg,
On 06/01/2017 13:46, Joerg Roedel wrote:
> 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.
Hum OK thanks!
Best Regards
Eric
>
>> 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 13:03 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
2017-01-05 19:04 ` [PATCH v6 01/18] iommu/dma: Allow MSI-only cookies Eric Auger
2017-01-06 10:59 ` Joerg Roedel
2017-01-06 11:46 ` Auger Eric
2017-01-06 12:12 ` Robin Murphy
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
2017-01-06 11:00 ` Joerg Roedel
2017-01-06 11:46 ` Auger Eric
2017-01-06 12:48 ` Joerg Roedel
2017-01-06 13:04 ` Auger Eric
2017-01-06 17:18 ` Auger Eric
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
2017-01-06 11:01 ` Joerg Roedel
2017-01-06 11:45 ` Auger Eric
2017-01-06 12:46 ` Joerg Roedel
2017-01-06 13:03 ` Auger Eric [this message]
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
2017-01-06 9:08 ` Auger Eric
2017-01-06 9:20 ` Marc Zyngier
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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