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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770384007; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v45w8vWRpxU1Mq7tjX2SU/Run2WqlnthpZPGBVSvSEo=; b=Vyu65p0Qw4g6eIJXv7ZqZeQPNr/zzf9cV1nUaIyi21+eAHTq5Yq2BYsUlqNnPzVDSSGRFj 2blq3e0p0T+x3i4xQHaD7iwCe8IhJyYuG9MDQzMjUeaSqoubGbkIbpPgHa8CCC08112rYM zmlQstoRsKmc0hxGihGDdbaIrbBABE8= X-MC-Unique: VtWyXO_YNq6xSk2njgJyDA-1 X-Mimecast-MFC-AGG-ID: VtWyXO_YNq6xSk2njgJyDA_1770383695 From: Igor Mammedov To: qemu-devel@nongnu.org Cc: mst@redhat.com, anisinha@redhat.com, pbonzini@redhat.com, peter.maydell@linaro.org, shannon.zhaosl@gmail.com, philmd@linaro.org, zhao1.liu@intel.com, rad@semihalf.com, leif.lindholm@oss.qualcomm.com Subject: [PATCH 02/11] machine: add "acpi-watchdog" property Date: Fri, 6 Feb 2026 14:14:29 +0100 Message-ID: <20260206131438.1857182-3-imammedo@redhat.com> In-Reply-To: <20260206131438.1857182-1-imammedo@redhat.com> References: <20260206131438.1857182-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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=170.10.129.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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 @redhat.com) X-ZM-MESSAGEID: 1770384125678154100 It will be used by following code to enable ACPI watchdog. Initial support will bring it to Q35 and arm/virt machines using respective iTCO and GWDT watchdogs as hardware backend. Signed-off-by: Igor Mammedov --- include/hw/core/boards.h | 1 + hw/core/machine.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/include/hw/core/boards.h b/include/hw/core/boards.h index 07f8938752..25577c3aac 100644 --- a/include/hw/core/boards.h +++ b/include/hw/core/boards.h @@ -447,6 +447,7 @@ struct MachineState { struct NVDIMMState *nvdimms_state; struct NumaState *numa_state; bool acpi_spcr_enabled; + bool acpi_watchdog; }; =20 /* diff --git a/hw/core/machine.c b/hw/core/machine.c index 6411e68856..4ca808fb73 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -499,6 +499,20 @@ static void machine_set_usb(Object *obj, bool value, E= rror **errp) ms->usb_disabled =3D !value; } =20 +static bool machine_get_acpi_watchdog(Object *obj, Error **errp) +{ + MachineState *ms =3D MACHINE(obj); + + return ms->acpi_watchdog; +} + +static void machine_set_acpi_watchdog(Object *obj, bool value, Error **err= p) +{ + MachineState *ms =3D MACHINE(obj); + + ms->acpi_watchdog =3D value; +} + static bool machine_get_graphics(Object *obj, Error **errp) { MachineState *ms =3D MACHINE(obj); @@ -1257,6 +1271,12 @@ static void machine_class_init(ObjectClass *oc, cons= t void *data) NULL, NULL); object_class_property_set_description(oc, "memory", "Memory size configuration"); + + object_class_property_add_bool(oc, "acpi-watchdog", + machine_get_acpi_watchdog, machine_set_acpi_watchdog); + object_class_property_set_description(oc, "acpi-watchdog", + "Set on/off to enable/disable ACPI watchdog." + " Default: off (ACPI watchdog is disabled)."); } =20 static void machine_class_base_init(ObjectClass *oc, const void *data) --=20 2.47.3