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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a6d0f1011fsm2588239f8f.7.2025.06.20.10.16.54 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 10:16:55 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , Alexander Graf , Richard Henderson , Pierrick Bouvier , Peter Maydell , Thomas Huth , Cameron Esfahani , Julian Armistead , Paolo Bonzini , "Edgar E. Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [RFC PATCH v2 39/48] accel/system: Introduce hwaccel_enabled() helper Date: Fri, 20 Jun 2025 19:13:32 +0200 Message-ID: <20250620171342.92678-40-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620171342.92678-1-philmd@linaro.org> References: <20250620171342.92678-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=philmd@linaro.org; helo=mail-wm1-x333.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org hwaccel_enabled() return whether any hardware accelerator is available. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- include/system/hw_accel.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/include/system/hw_accel.h b/include/system/hw_accel.h index 574c9738408..49556b026e0 100644 --- a/include/system/hw_accel.h +++ b/include/system/hw_accel.h @@ -28,7 +28,28 @@ void cpu_synchronize_state(CPUState *cpu); void cpu_synchronize_pre_loadvm(CPUState *cpu); +/** + * cpu_synchronize_post_reset: + * cpu_synchronize_post_init: + * @cpu: The vCPU to synchronize. + * + * Request to synchronize QEMU vCPU registers to the hardware accelerator + * (QEMU is the reference). + */ void cpu_synchronize_post_reset(CPUState *cpu); void cpu_synchronize_post_init(CPUState *cpu); +/** + * hwaccel_enabled: + * + * Returns: %true if a hardware accelerator is enabled, %false otherwise. + */ +static inline bool hwaccel_enabled(void) +{ + return hvf_enabled() + || kvm_enabled() + || nvmm_enabled() + || whpx_enabled(); +} + #endif /* QEMU_HW_ACCEL_H */