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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3861fd46cdesm3058947f8f.57.2024.12.05.14.23.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Dec 2024 14:23:11 -0800 (PST) Message-ID: Date: Thu, 5 Dec 2024 23:23:09 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v3 26/26] hw/arm/virt: Add measurement log for confidential boot To: Jean-Philippe Brucker , peter.maydell@linaro.org Cc: richard.henderson@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org, alex.bennee@linaro.org, Stefan Berger References: <20241125195626.856992-2-jean-philippe@linaro.org> <20241125195626.856992-28-jean-philippe@linaro.org> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20241125195626.856992-28-jean-philippe@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=philmd@linaro.org; helo=mail-wr1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 25/11/24 20:56, Jean-Philippe Brucker wrote: > Create a measurement log describing operations performed by QEMU to > initialize the guest, and load it into guest memory above the DTB. > > Cc: Stefan Berger > Signed-off-by: Jean-Philippe Brucker > --- > v2->v3: New > --- > include/hw/arm/boot.h | 3 +++ > include/hw/arm/virt.h | 1 + > hw/arm/boot.c | 47 +++++++++++++++++++++++++++++++++++++++++++ > hw/arm/virt.c | 23 +++++++++++++++++++++ > 4 files changed, 74 insertions(+) > > diff --git a/include/hw/arm/boot.h b/include/hw/arm/boot.h > index 5fcbaa2625..f2518c4e81 100644 > --- a/include/hw/arm/boot.h > +++ b/include/hw/arm/boot.h > @@ -147,6 +147,9 @@ struct arm_boot_info { > * Confidential guest boot loads everything into RAM so it can be measured. > */ > bool confidential; > + /* measurement log location in guest memory */ > + hwaddr log_start; One expects a stop/end after "start", maybe 'log_paddr'? > + size_t log_size; > };