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To: Brijesh Singh <brijesh.singh@amd.com>, edk2-devel@lists.01.org
Cc: Jordan Justen <jordan.l.justen@intel.com>,
 Tom Lendacky <thomas.lendacky@amd.com>,
 Ard Biesheuvel <ard.biesheuvel@linaro.org>
References: <1503880469-15999-1-git-send-email-brijesh.singh@amd.com>
From: Laszlo Ersek <lersek@redhat.com>
Message-ID: <66a55802-e058-0ce7-33cf-6516dd18e08e@redhat.com>
Date: Mon, 28 Aug 2017 11:01:52 +0200
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 (mx1.redhat.com [10.5.110.27]); Mon, 28 Aug 2017 09:01:54 +0000 (UTC)
Subject: Re: [PATCH v2 0/3] OvmfPkg/VirtioBlkDxe: map host address to device address
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On 08/28/17 02:34, Brijesh Singh wrote:
> The patch updates the VirtioBlkDxe to use IOMMU-like member functions to map
> the system physical address to device address for buffers (including vring,
> device specific request and response pointed by vring descriptor, and any
> furter memory reference by those request and response).
> 
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> 
> Repo: https://github.com/codomania/edk2
> Branch: virtio-blk-2
> 
> Changes since v1:
>  * changes to address v1 feedback
> 
> Brijesh Singh (3):
>   OvmfPkg/VirtioBlkDxe: map VRING using VirtioRingMap()
>   Ovmfpkg/VirtioBlkDxe: map virtio-blk request and response buffers
>   OvmfPkg/VirtioBlkDxe: negotiate VIRTIO_F_IOMMU_PLATFORM
> 
>  OvmfPkg/VirtioBlkDxe/VirtioBlk.h |   1 +
>  OvmfPkg/VirtioBlkDxe/VirtioBlk.c | 188 +++++++++++++++++---
>  2 files changed, 166 insertions(+), 23 deletions(-)
> 

test scenario     legacy PCI (X64) modern PCI (X64)
----------------  ---------------  ----------------
shell RECONNECT   PASS             PASS
shell LS/TYPE     PASS             PASS
ExitBootServices  PASS             PASS

Regression-tested-by: Laszlo Ersek <lersek@redhat.com>

Commit range a2285a896384..dd4205f8ba41.

Thanks,
Laszlo