Re: [PATCH v7 11/19] iommu/arm-smmu: Implement reserved region get/put callbacks

From	Will Deacon <will.deacon@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v7 11/19] iommu/arm-smmu: Implement reserved region get/put callbacks
Date	2017-01-10 15:20 +0100
Message-ID	<sY5rj-2pg-27@gated-at.bofh.it> (permalink)
References	<sXIuJ-4Rr-3@gated-at.bofh.it> <sXIuK-4Rr-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Mon, Jan 09, 2017 at 01:46:02PM +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>
> 
> ---
> 
> v3 -> v4:
> - do not handle PCI host bridge windows anymore
> - encode prot
> 
> RFC v2 -> v3:
> - use existing get/put_resv_regions
> 
> RFC v1 -> v2:
> - use defines for MSI IOVA base and length
> ---
>  drivers/iommu/arm-smmu.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)

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

Will

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH v7 11/19] iommu/arm-smmu: Implement reserved region get/put callbacks Eric Auger <eric.auger@redhat.com> - 2017-01-09 14:50 +0100
  Re: [PATCH v7 11/19] iommu/arm-smmu: Implement reserved region  get/put callbacks Will Deacon <will.deacon@arm.com> - 2017-01-10 15:20 +0100

csiph-web