From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E91F3C7EE2A for ; Fri, 20 Jun 2025 17:21:28 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSfMm-0005HS-Jj; Fri, 20 Jun 2025 13:17:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uSfMJ-000484-Ke for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:17:00 -0400 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uSfMI-0004iz-08 for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:16:59 -0400 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-453066fad06so13789695e9.2 for ; Fri, 20 Jun 2025 10:16:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750439816; x=1751044616; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=oUi7yglI42JXKxGDm/lTESiR8XgQvpHhdliY4w41XPA=; b=sSkXrNfnLc7j6X8EcK7WikUV1WYEbo51KfwQwHE7v8SbjosCYcQOQz/6DoxTGFCBj5 bTdPGvNxq8XVEEDacGQn0gr8J3OsH8+uAOV1J4RUKXA8WJXnZW3uY7hkTZ7HQbTBQxPW ZFzt7WP7J5tO/BC931FndjdAWWwF6vhWar5jz7/vBl/kHTfPTHXFR0W+XDiMnKW4IrVF rygKuX+NvgFeC13QiHvWNFFw4k15ZnO74XM04g0nAw875mtQy4PFe7PgWTMyaek4+kq4 T4Yen/XTmU862qxX1f7cJ5yylqjFcC3m+ADVxCAmmvZUjmJrE9i1R1peAC3ev+lOrYvy V15g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750439816; x=1751044616; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oUi7yglI42JXKxGDm/lTESiR8XgQvpHhdliY4w41XPA=; b=mtxG6K7zF8kcyq3FswmbHKOgQnGAqJuUsu2MF4cyr9K/4Pvqnaxj9baZp2Sh98c20O bqo72FwKttUFqlKhJUQ/lzgH1bVEJxv5wlTpgbMwNxmLB4kehDL2IIdDXb5gtd2IortJ JH3qz7By1Eme6s07g10GtB+H2/Ut2UQxkBh0YBRGKHG0mVD2ojm9XdRX+JiAxZPbDJ/P z1roV6NZsDPwBFp9NRKJ0USj5SCohih/ywpcjAsGXTuUPpr8CzFxlnw2SJPiwZ2LUZKA t91IHj5PqqeGv5AGJrP1e8U89ArlgUPjPEL3pMiroaL7Ucn5o3JPYLx61QWv0Zre2y3t FW5w== X-Gm-Message-State: AOJu0YyT6EgS+8MFZk6diSxEDZJyZrj7BcMJdZJ+6joVCBlqXRH5VfRJ HtOe2Two5kKbTFNc4kkCMvpk50Uke+JoXAcSDJXxbWYOQM7Yq5dR6OcmuJYSE3wBYtw9O1kgCfl WcSfqiWU= X-Gm-Gg: ASbGncugSR9XiaJUXb66ktqIiArXzcIw0cZ0+RFhJ2Oy2ckYwecEe6tpByrBqsPJWSt jZkpBmmZ07LjzRgRIizdokRQf7F1pHl4AUmvAt8smukYRFmH00vBNqcZoDoUi56CtH5WXDsm8xp W8xh2CSvrjzTD8qU0QbNk0Pdgj4IOYYVSwUTPuMtnOlbRQ7bXYS6oncNX0gcsYYd+cL6jnKKW28 IegHv8nwXsKVwfo8RD2aBO+Og+zKOXFnRQx0TH7vhM29ClXJ7GY4B2fkr/IWCcYZbWq8wWKU6KL aTlddOMifTx54u99RKodPqMOUDEMcZ9G2YAFIJRCG3Zk4tJ6CWRUWW+aAg738h4C1gGZYASFSut 1WMCClqW11s1MeQFAFJf01YzttqySqsVWz9T3 X-Google-Smtp-Source: AGHT+IE/UDID759kAq2VRKoKQIAXLzF6RbN66AnuW0HPUm66IM0LFmz9X1007kTBKWjcSyk76A/TnQ== X-Received: by 2002:a05:6000:1a85:b0:3a4:dc80:b932 with SMTP id ffacd0b85a97d-3a6d1193dfbmr2825828f8f.8.1750439815764; Fri, 20 Jun 2025 10:16:55 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [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=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=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=20Mathieu-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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org hwaccel_enabled() return whether any hardware accelerator is available. Signed-off-by: Philippe Mathieu-Daudé --- 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 */ -- 2.49.0