linux-kernel - Re: [PATCH v3 1/1] powerpc/iommu: Enable remaining IOMMU Pagesizes present in LoPAR

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Message-Id: <161880479738.1398509.9530172524794582983.b4-ty@ellerman.id.au>
Date:   Mon, 19 Apr 2021 13:59:57 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>, brking@...ux.vnet.ibm.com,
        Leonardo Bras <leobras.c@...il.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] powerpc/iommu: Enable remaining IOMMU Pagesizes present in LoPAR

On Thu, 8 Apr 2021 17:19:16 -0300, Leonardo Bras wrote:
> According to LoPAR, ibm,query-pe-dma-window output named "IO Page Sizes"
> will let the OS know all possible pagesizes that can be used for creating a
> new DDW.
> 
> Currently Linux will only try using 3 of the 8 available options:
> 4K, 64K and 16M. According to LoPAR, Hypervisor may also offer 32M, 64M,
> 128M, 256M and 16G.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/iommu: Enable remaining IOMMU Pagesizes present in LoPAR
      https://git.kernel.org/powerpc/c/472724111f0f72042deb6a9dcee9578e5398a1a1

cheers