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[142.114.142.78]) by smtp.gmail.com with ESMTPSA id y6sm2580986qkd.106.2021.05.13.07.25.14 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 13 May 2021 07:25:14 -0700 (PDT) Date: Thu, 13 May 2021 10:25:11 -0400 From: Shashi Mallela To: "=?utf-8?Q?qemu-devel=40nongnu.org?=" Message-ID: <6146FAFB-FDAF-4C37-A488-9A0797CB5405@getmailspring.com> Subject: QEMU SMMUv3 stage 2 translation X-Mailer: Mailspring MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="609d36c7_2aba0ec6_14ca" Received-SPF: pass client-ip=2607:f8b0:4864:20::72e; envelope-from=shashi.mallela@linaro.org; helo=mail-qk1-x72e.google.com X-Spam_score_int: 15 X-Spam_score: 1.5 X-Spam_bar: + X-Spam_report: (1.5 / 5.0 requ) BAYES_20=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_IMAGE_ONLY_08=1.651, HTML_IMAGE_RATIO_06=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_REMOTE_IMAGE=0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "=?utf-8?Q?peter.maydell=40linaro.org?=" , Eric Auger Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --609d36c7_2aba0ec6_14ca Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Hi, Since the current SMMUv3 qemu implementation only supports stage 1 translation,wanted to understand if the implementation could be extended to stage 2 translation support and if yes what is the overall scope involved.This is required for sbsa-ref platforms. Thanks Shashi --609d36c7_2aba0ec6_14ca Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Hi,

Since the current SMMUv3 qemu implementation only = supports stage 1 translation,wanted to understand if the implementation c= ould be extended to stage 2 translation support and if yes what is the ov= erall scope involved.This is required for sbsa-ref platforms.

Thanks
Shashi
3D= --609d36c7_2aba0ec6_14ca--