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[93.143.80.194]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-486f420de8asm56471095e9.3.2026.03.18.03.46.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2026 03:47:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773830821; x=1774435621; 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=QgUepk6UMjnKqzufGDPkLxQrioV7HxGAbMXHjFPydeQ=; b=QhhvHPgKOfl/BhZ6pzwLgO97hGI8laNB4tBI4gqpH/3T1T4Bc7FNWUeshUSsExZ88F sUeXYbiZV/Q1pn59I0aFn8BpvRMr0te9TINo4oO/0f3pr0K1gkO2dR911MjWKAQxpG2k yzjXnFU8RJH8QDENlmwfYV2Hl5xL7Qo8lQ7W8wrvryYaGEZgI7+723Ma0ewohaK0M6PV nWxAsuiN9wH29MBzH3eTLvg700XsMhbL1jl0Zlt4oHnYaX0lBAORIQEwvurL3eWTHOcW kH8mbS5F4J0PTxXM4qQf7F+dpj5SydCtFkfzau6YtkOsx35GELQagVlz3ntsw7iTtMMR WKbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773830821; x=1774435621; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=QgUepk6UMjnKqzufGDPkLxQrioV7HxGAbMXHjFPydeQ=; b=VOZJjGVgdZHgbDT86oRzty87FsWcYRA2XOSFfJ01sOQjUrzDP8k16GMnHWP9LGngbN I2jNmi8nXSCK+kIwih2xd4gVsasPzD52jaQxfOcv7kk+hCRKrjaYwe+PJPfZSAJTZrD5 FWmNSXPLIPOqhQTVFRFCcorn64QcZog6ULOiSZouUAGCRggfGt6YCQYk3qQ41SYEUMh6 BKfOswXEP2rRFdHesr2tfvMVMUuprXAU3FnqGX6nUBSYcLWVE17mXm/Y4Q3T9iqfTjh5 vz111NKFOS+F0HpJNe0ECHksibTcNzHK37byZxyE2uFUYj7W6oxkmIpt1+Satn5rvIpd wq/A== X-Gm-Message-State: AOJu0YyZhW7PXSMz5ALxIpOK3dEI25e5Dz+MpzXW4yk54GMO9+ddexLC i3ReKUuDHokRXjEy3XUwYksMe6/GVQrk8P6+Qc1GKi01EZ3PGY7X794X6GEl3D5m X-Gm-Gg: ATEYQzyTm14kFLk5G2NUeZw8La9afi9fIf2RtvPv2rhOM262yVjCZ+hrAZq/EuU9Ccx o0dlHpim+kJ5LzUDPhnOSvdqH6Syfo1TcLLVMqjqXjgsd4eMftlcC+QJ2g4MDB89jmmQSzas76f auEwhyIfRvKnSJ+3oz0YIxCemEsB5QG6Q/3W7k1frhE/O34/ZOw6C4RyWbA5v9DcIQQSRqGUUqx L7KY7X7KIei8urc42HxlkJ+hYzq2Auv8sYXkTlHHN0w5tKkcJQJE5HXYzpnolCQTKDdD0S32xHb v+JTSaaPMZyJ7MgH42sot6k4jDw4o8sBdzdhypw8N+IkOlvu7ylk8MGT7+KzB2Xh310ktF8YzIO 3HT7azYWlflwPuwxZtLbiaXWr+JoHAAZLH7gpW82WJHK8B8uW7178yBb7Z0fKBfKG9L6BDJGzTq RK17bMFRX91uW5KlmofmqODBoVfynkUoBEyXkezn1pdEI3di902WupZVo6GcGzNhtFSCtHAc+4b 9gp X-Received: by 2002:a05:600c:83ca:b0:485:3dfc:57a with SMTP id 5b1f17b1804b1-486f446dee9mr43456345e9.32.1773830820667; Wed, 18 Mar 2026 03:47:00 -0700 (PDT) From: Ruslan Ruslichenko To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, artem_mygaiev@epam.com, volodymyr_babchuk@epam.com, alex.bennee@linaro.org, peter.maydell@linaro.org, pierrick.bouvier@linaro.org, philmd@linaro.org, Ruslan_Ruslichenko@epam.com Subject: [RFC PATCH 2/9] plugins/api: Expose virtual clock timers to plugins Date: Wed, 18 Mar 2026 11:46:33 +0100 Message-ID: <20260318104640.239752-3-ruslichenko.r@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260318104640.239752-1-ruslichenko.r@gmail.com> References: <20260318104640.239752-1-ruslichenko.r@gmail.com> MIME-Version: 1.0 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::335; envelope-from=ruslichenko.r@gmail.com; helo=mail-wm1-x335.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, FREEMAIL_FROM=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1773830912460158500 Content-Type: text/plain; charset="utf-8" From: Ruslan Ruslichenko This patch extends QEMU Plugins API to allow set timers in guest's virtual clock (QEMU_CLOCK_VIRTUAL). It introduces qemu_plugin_timer_virt_ns(), which allows scheduling a one-shot callback. The patch also adds qemu_plugin_get_virtual_clock_ns(), which can be used to query the current virtual time. Signed-off-by: Ruslan Ruslichenko --- include/plugins/qemu-plugin.h | 6 ++++++ plugins/api.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/include/plugins/qemu-plugin.h b/include/plugins/qemu-plugin.h index 17a834dca9..bbd21e79c5 100644 --- a/include/plugins/qemu-plugin.h +++ b/include/plugins/qemu-plugin.h @@ -1246,6 +1246,12 @@ void qemu_plugin_u64_set(qemu_plugin_u64 entry, unsi= gned int vcpu_index, QEMU_PLUGIN_API uint64_t qemu_plugin_u64_sum(qemu_plugin_u64 entry); =20 +QEMU_PLUGIN_API +uint64_t qemu_plugin_get_virtual_clock_ns(void); + +QEMU_PLUGIN_API +void qemu_plugin_timer_virt_ns(uint64_t time, void (*cb)(void*), void *opa= que); + #ifdef __cplusplus } /* extern "C" */ #endif diff --git a/plugins/api.c b/plugins/api.c index 04ca7da7f1..609ea69293 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -39,6 +39,7 @@ #include "qemu/main-loop.h" #include "qemu/plugin.h" #include "qemu/log.h" +#include "qemu/timer.h" #include "system/memory.h" #include "tcg/tcg.h" #include "exec/gdbstub.h" @@ -652,3 +653,31 @@ uint64_t qemu_plugin_u64_sum(qemu_plugin_u64 entry) return total; } =20 +typedef struct { + void (*cb)(void *opaque); + void* opaque; + QEMUTimer *timer; +} qemu_plugin_timer_data; + +static void timer_cb(void* opaque) +{ + qemu_plugin_timer_data *data =3D (qemu_plugin_timer_data*)opaque; + + data->cb(data->opaque); + + timer_free(data->timer); + g_free(data); +} + +QEMU_PLUGIN_API +void qemu_plugin_timer_virt_ns(uint64_t time, void (*cb)(void*), void *opa= que) +{ + qemu_plugin_timer_data* data =3D g_new0(qemu_plugin_timer_data, 1); + + data->cb =3D cb; + data->opaque =3D opaque; + + data->timer =3D timer_new_ns(QEMU_CLOCK_VIRTUAL, timer_cb, data); + + timer_mod(data->timer, time); +} --=20 2.43.0