From patchwork Tue Feb 13 09:39:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierrick Bouvier X-Patchwork-Id: 1898138 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=HTv+B/a+; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TYxDB17klz23yG for ; Tue, 13 Feb 2024 20:41:29 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rZpHL-0000xS-Sq; Tue, 13 Feb 2024 04:40:39 -0500 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 1rZpHK-0000xI-QW for qemu-devel@nongnu.org; Tue, 13 Feb 2024 04:40:38 -0500 Received: from mail-lf1-x130.google.com ([2a00:1450:4864:20::130]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rZpHJ-0000D6-2F for qemu-devel@nongnu.org; Tue, 13 Feb 2024 04:40:38 -0500 Received: by mail-lf1-x130.google.com with SMTP id 2adb3069b0e04-51032058f17so5003271e87.3 for ; Tue, 13 Feb 2024 01:40:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707817235; x=1708422035; 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=HXH7ocyncB0lY9SgnkHxBEuiEnRgV5eLtUY0jbLrGRM=; b=HTv+B/a+diHFyi57DMKAZ6K0XUCRIn5k41ReoLgYTjpwR8cPQjwNBgEEx81pkCfYHZ a4YEW8LjxQcNklJ75tURYBRImqREZaB9inWguAMCw0LJm4Z222N+Gt6DGF3FgsmKfotI gRgaK4rx4qp/zwVKzLdx5ldOvPDW8lJashDmS+Fv1JxsUj6CPWnOPMxPreSQ3DYXO7is keUcjklVe+MMle/dqwhSZ0Y0DNEzEZIBmgHR51AptvgQFF2j8ykz+39tII94AOC+Rh79 /PjP78QNuUPYCCo8Fp29hIwGMsp6pagfo3sKI+vOFbheP1DtJIE4B1dC2juB5WxsJggu c1bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707817235; x=1708422035; 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=HXH7ocyncB0lY9SgnkHxBEuiEnRgV5eLtUY0jbLrGRM=; b=tag1FlP9JoENxEV69x1PD1RCb1a28O0l1gVn/f4FiJfA2U7IJPJU8zcvH+FHF+5uAj Bjqgq8ZRaplntTHyDDiCAVod7CJC/ZBJCi3WeR4EKNyWDRqf9U3MEnEIfhAf1pJuqjUK M/MXSy1J/fsrv/m5G8HQGeQ1SqxTa/aJYYyEnZEmPwadzzJnCLroJyOSNNZJi5LMslxK dpOcrs9ZouLgtJVU0+9CL9pJ3q030aV1yJn/wvpBPxd1xTglmjIg/WuzwqomEzsdf0KC bVORW2GoguPihED0gOLcxz6LH+lK4Us0j7RcAqyP89NaB2VQg1+Gr2PMIt+blbpkwsZR 8big== X-Gm-Message-State: AOJu0YwRsmXklr2+Ja/WvXktSXhwdnHf76WSFh1n+c92zPtNr3ZfMFI3 g5bArHtZMOMetVTj/BRtwJkkfhqMEU3CNWwlb4U0Ouq4Jv4TiYBJvqo5nEOE1Drb+diBS23WIGB 7 X-Google-Smtp-Source: AGHT+IEpAn3UH4tKFMxt3gz4i+bRCojlY+Xzc0WM96PQXHflhwH/ia4hQllZZMyRXisMPuzIkW17zg== X-Received: by 2002:a05:6512:475:b0:511:78cf:968a with SMTP id x21-20020a056512047500b0051178cf968amr5090128lfd.68.1707817234926; Tue, 13 Feb 2024 01:40:34 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCVoz/QBEqFokc9fO3O9vMVUwfb1w53d8XYUvLlo14SacGcMUg0FNLBVN5nN6CRXs5csl9tz3zTaJTCCdVdFqIWzLV5H/CRB8Z/6xMYxpN7J9Gtik7Dg0MZkASteXHpnhuGKDO3zUApgc4msuiX9rsyplwdXymZKSWPp/8NGoTFW7CvCXnYPuxbhORi1yU7qXBIybbJUYrn3rcQxmO6lMATcFmHN2RIHUuCnH+x3E68a0A21ePC9Csbr7DNeOKxuMW+9vAvpND9oSTcMTkNido6FW7/cQ9X7P5zhSK7ZiwdgftcH0VCtDs5A3YFSDdRZ7bN18wQCHW56DyQy3st3xl9BxniULg== Received: from linaro.. ([102.35.208.160]) by smtp.gmail.com with ESMTPSA id cc19-20020a5d5c13000000b0033b728190c1sm8550261wrb.79.2024.02.13.01.40.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 01:40:34 -0800 (PST) From: Pierrick Bouvier To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , Yanan Wang , Marcel Apfelbaum , Paolo Bonzini , Mahmoud Mandour , Pierrick Bouvier , Alexandre Iooss , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Eduardo Habkost , Richard Henderson Subject: [PATCH v4 01/18] plugins: remove previous n_vcpus functions from API Date: Tue, 13 Feb 2024 13:39:51 +0400 Message-ID: <20240213094009.150349-2-pierrick.bouvier@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240213094009.150349-1-pierrick.bouvier@linaro.org> References: <20240213094009.150349-1-pierrick.bouvier@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::130; envelope-from=pierrick.bouvier@linaro.org; helo=mail-lf1-x130.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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This information is already accessible using qemu_info_t during plugin install. We will introduce another function (qemu_plugin_num_vcpus) which represent how many cpus were enabled, by tracking new cpu indexes. It's a breaking change, so we bump API version. Signed-off-by: Pierrick Bouvier Reviewed-by: Richard Henderson --- include/qemu/qemu-plugin.h | 10 +++------- plugins/plugin.h | 2 +- contrib/plugins/cache.c | 2 +- plugins/api.c | 30 ------------------------------ plugins/qemu-plugins.symbols | 2 -- 5 files changed, 5 insertions(+), 41 deletions(-) diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index 2c1930e7e45..0e506ee644d 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -51,11 +51,13 @@ typedef uint64_t qemu_plugin_id_t; * * The plugins export the API they were built against by exposing the * symbol qemu_plugin_version which can be checked. + * + * version 2: removed qemu_plugin_n_vcpus and qemu_plugin_n_max_vcpus */ extern QEMU_PLUGIN_EXPORT int qemu_plugin_version; -#define QEMU_PLUGIN_VERSION 1 +#define QEMU_PLUGIN_VERSION 2 /** * struct qemu_info_t - system information for plugins @@ -644,12 +646,6 @@ QEMU_PLUGIN_API void qemu_plugin_register_atexit_cb(qemu_plugin_id_t id, qemu_plugin_udata_cb_t cb, void *userdata); -/* returns -1 in user-mode */ -int qemu_plugin_n_vcpus(void); - -/* returns -1 in user-mode */ -int qemu_plugin_n_max_vcpus(void); - /** * qemu_plugin_outs() - output string via QEMU's logging system * @string: a string diff --git a/plugins/plugin.h b/plugins/plugin.h index 5eb2fdbc85e..90f3f324ab6 100644 --- a/plugins/plugin.h +++ b/plugins/plugin.h @@ -15,7 +15,7 @@ #include #include "qemu/qht.h" -#define QEMU_PLUGIN_MIN_VERSION 0 +#define QEMU_PLUGIN_MIN_VERSION 2 /* global state */ struct qemu_plugin_state { diff --git a/contrib/plugins/cache.c b/contrib/plugins/cache.c index 9e7ade3b374..c5c8ac75a9c 100644 --- a/contrib/plugins/cache.c +++ b/contrib/plugins/cache.c @@ -767,7 +767,7 @@ int qemu_plugin_install(qemu_plugin_id_t id, const qemu_info_t *info, policy = LRU; - cores = sys ? qemu_plugin_n_vcpus() : 1; + cores = sys ? info->system.smp_vcpus : 1; for (i = 0; i < argc; i++) { char *opt = argv[i]; diff --git a/plugins/api.c b/plugins/api.c index 8d5cca53295..2aaae4e47f3 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -353,36 +353,6 @@ const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h) #endif } -/* - * Queries to the number and potential maximum number of vCPUs there - * will be. This helps the plugin dimension per-vcpu arrays. - */ - -#ifndef CONFIG_USER_ONLY -static MachineState * get_ms(void) -{ - return MACHINE(qdev_get_machine()); -} -#endif - -int qemu_plugin_n_vcpus(void) -{ -#ifdef CONFIG_USER_ONLY - return -1; -#else - return get_ms()->smp.cpus; -#endif -} - -int qemu_plugin_n_max_vcpus(void) -{ -#ifdef CONFIG_USER_ONLY - return -1; -#else - return get_ms()->smp.max_cpus; -#endif -} - /* * Plugin output */ diff --git a/plugins/qemu-plugins.symbols b/plugins/qemu-plugins.symbols index 6963585c1ea..6088dd3714a 100644 --- a/plugins/qemu-plugins.symbols +++ b/plugins/qemu-plugins.symbols @@ -17,8 +17,6 @@ qemu_plugin_mem_is_sign_extended; qemu_plugin_mem_is_store; qemu_plugin_mem_size_shift; - qemu_plugin_n_max_vcpus; - qemu_plugin_n_vcpus; qemu_plugin_outs; qemu_plugin_path_to_binary; qemu_plugin_read_register;