Re: [PATCH v9 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks

From	Will Deacon <will.deacon@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v9 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks
Date	2017-01-23 12:50 +0100
Message-ID	<t2Lii-5UD-7@gated-at.bofh.it> (permalink)
References	<t1rYl-6ly-7@gated-at.bofh.it> <t1rYl-6ly-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Jan 19, 2017 at 08:57:55PM +0000, Eric Auger wrote:
> The get() populates the list with the MSI IOVA reserved window.
> 
> At the moment an arbitray MSI IOVA window is set at 0x8000000
> of size 1MB. This will allow to report those info in iommu-group
> sysfs.
> 
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> Reviewed-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
> Tested-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
> Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com>
> 
> ---

I acked this before:

Acked-by: Will Deacon <will.deacon@arm.com>

Will

Thread

[PATCH v9 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:00 +0100
  [PATCH v9 10/18] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:00 +0100
    Re: [PATCH v9 10/18] iommu/arm-smmu: Implement reserved region  get/put callbacks Will Deacon <will.deacon@arm.com> - 2017-01-23 12:50 +0100
  [PATCH v9 08/18] iommu/vt-d: Implement reserved region get/put callbacks Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:00 +0100
    Re: [PATCH v9 08/18] iommu/vt-d: Implement reserved region get/put  callbacks Will Deacon <will.deacon@arm.com> - 2017-01-23 12:50 +0100
      Re: [PATCH v9 08/18] iommu/vt-d: Implement reserved region get/put  callbacks Auger Eric <eric.auger@redhat.com> - 2017-01-23 13:00 +0100
  [PATCH v9 05/18] iommu: Only map direct mapped regions Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:00 +0100
  [PATCH v9 01/18] iommu/dma: Allow MSI-only cookies Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:00 +0100
  [PATCH v9 14/18] irqdomain: irq_domain_check_msi_remap Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 11/18] iommu/arm-smmu-v3: Implement reserved region get/put callbacks Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 18/18] iommu/arm-smmu: Do not advertise IOMMU_CAP_INTR_REMAP anymore Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 15/18] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 07/18] iommu: Implement reserved_regions iommu-group sysfs file Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 16/18] vfio/type1: Allow transparent MSI IOVA allocation Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 06/18] iommu: iommu_get_group_resv_regions Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 12/18] irqdomain: Add irq domain MSI and MSI_REMAP flags Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 09/18] iommu/amd: Declare MSI and HT regions as reserved IOVA regions Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 02/18] iommu: Rename iommu_dm_regions into iommu_resv_regions Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100
  [PATCH v9 17/18] vfio/type1: Check MSI remapping at irq domain level Eric Auger <eric.auger@redhat.com> - 2017-01-19 22:10 +0100

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