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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48a52583fe7sm179913945e9.13.2026.04.22.13.00.07 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 22 Apr 2026 13:00:07 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 20/48] hw/tpm: Add TPMIfClass::ppi_enabled field Date: Wed, 22 Apr 2026 21:57:18 +0200 Message-ID: <20260422195746.88865-21-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260422195746.88865-1-philmd@linaro.org> References: <20260422195746.88865-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=philmd@linaro.org; helo=mail-wm1-x32f.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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 Each TPM derived device has a @ppi_enabled field, itself exposed as a QOM property. External layers (like the ACPI subsystem) wanting to know whether a device implements PPI has to check for the QOM property available. This can be simplified by declaring a single field in the TPM interface. Here we add such field to TPMIfClass, before converting each TPM devices to use it in the following commits. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Stefan Berger Message-Id: <20260317120241.16320-3-philmd@linaro.org> --- include/system/tpm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/system/tpm.h b/include/system/tpm.h index b90dd4e8cb0..9458ad6668a 100644 --- a/include/system/tpm.h +++ b/include/system/tpm.h @@ -43,6 +43,7 @@ struct TPMIfClass { enum TpmModel model; void (*request_completed)(TPMIf *obj, int ret); enum TPMVersion (*get_version)(TPMIf *obj); + bool ppi_enabled; }; #define TYPE_TPM_TIS_ISA "tpm-tis" @@ -84,6 +85,9 @@ static inline bool tpm_ppi_enabled(TPMIf *ti) if (!ti) { return false; } + if (TPM_IF_GET_CLASS(ti)->ppi_enabled) { + return true; + } return object_property_get_bool(OBJECT(ti), "ppi", &error_abort); } -- 2.53.0