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Wed, 28 Feb 2024 03:57:17 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Alexandre Iooss , Mahmoud Mandour Subject: [PULL 15/29] plugins: remove previous n_vcpus functions from API Date: Wed, 28 Feb 2024 11:56:47 +0000 Message-Id: <20240228115701.1416107-16-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240228115701.1416107-1-alex.bennee@linaro.org> References: <20240228115701.1416107-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x431.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1709121656508100001 From: Pierrick Bouvier 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 Message-Id: <20240213094009.150349-2-pierrick.bouvier@linaro.org> Signed-off-by: Alex Benn=C3=A9e Message-Id: <20240227144335.1196131-16-alex.bennee@linaro.org> diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index 4daab6efd29..e45181c793c 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -50,11 +50,13 @@ 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 */ =20 extern QEMU_PLUGIN_EXPORT int qemu_plugin_version; =20 -#define QEMU_PLUGIN_VERSION 1 +#define QEMU_PLUGIN_VERSION 2 =20 /** * struct qemu_info_t - system information for plugins @@ -643,12 +645,6 @@ QEMU_PLUGIN_API void qemu_plugin_register_atexit_cb(qemu_plugin_id_t id, qemu_plugin_udata_cb_t cb, void *userd= ata); =20 -/* 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" =20 -#define QEMU_PLUGIN_MIN_VERSION 0 +#define QEMU_PLUGIN_MIN_VERSION 2 =20 /* 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, =20 policy =3D LRU; =20 - cores =3D sys ? qemu_plugin_n_vcpus() : 1; + cores =3D sys ? info->system.smp_vcpus : 1; =20 for (i =3D 0; i < argc; i++) { char *opt =3D argv[i]; diff --git a/plugins/api.c b/plugins/api.c index 5521b0ad36c..2926b1961a8 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -342,36 +342,6 @@ const char *qemu_plugin_hwaddr_device_name(const struc= t qemu_plugin_hwaddr *h) #endif } =20 -/* - * 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 71f6c90549d..ca806000d54 100644 --- a/plugins/qemu-plugins.symbols +++ b/plugins/qemu-plugins.symbols @@ -16,8 +16,6 @@ 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_register_atexit_cb; --=20 2.39.2