From nobody Sat Apr 5 07:21:35 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50BB71AA1E4 for ; Thu, 27 Feb 2025 16:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740672063; cv=none; b=lwliCaYMBqzwx40rp1fP7ndct6FAcji4EnSjL6CFiMgzG1EitXrfiK35JR8m/MSJcEJjRzPhDagapY0owzfB/hvbnLZsyNVqHmyv5QQnTXwue6RNxDZawZoqehYnPE05EDCzZ7fY5IfQvwBV1bBfjPf1/2yLbM1T0Xh72ZLbjgg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740672063; c=relaxed/simple; bh=qzKO9Ht4URhGw0bTLxngjN7XfmL3ZPZGPSViPyPm/yo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uHa0DUkmG+1xChWwcOVBUsp84eZUb8xZ1Fyngz7chtCxYtUmzhtTkYPb1ZevjGzr+vNBFaG5VIooAUTflvbKIUGp+zDO+Xlsa4cZf4vPdcYg51hh+hUEKPdyld56n0ulumEQsrtYPrHSEKYaL3hwixJsQB/vdN9NRLD8DBqKmeI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TUDFQaHW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TUDFQaHW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01364C4CEFC; Thu, 27 Feb 2025 16:01:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740672063; bh=qzKO9Ht4URhGw0bTLxngjN7XfmL3ZPZGPSViPyPm/yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TUDFQaHWsMrPx5UrkP70MSDB0yKxZTANx0OdO//VBbPe5yzSsLhzdoPi00lnuYn3G KvToaqOJBB2kRkCgG9iPJpczrUTAbzhBSW/dyMDwO5ctFRe0UmBe01Yd8Y9hwUq6UX 74jykQj79zRwpq3DsCpzXSE3wmO2O9/9qSlmAym8/oCtv8X74M+1vS4tm1QbIJLZ39 UZzW7C1COXXK4uWFfvTAh+nm64l5iXEpTq+U306tFoAvAG/8z74xdb4ftET0kK7mco akrMkl0XOe7DRikk8J9bD2YOuagM6tQQ0ufNFttCQ7IdxwmRlObFml0LR2IOsXnUOU eSZ2yv+9GVbNg== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1tngJp-000000023bb-0SCO; Thu, 27 Feb 2025 17:01:01 +0100 From: Mauro Carvalho Chehab To: Igor Mammedov , "Michael S . Tsirkin" Cc: Jonathan Cameron , Shiju Jose , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Mauro Carvalho Chehab , Ani Sinha , Peter Maydell , Shannon Zhao , linux-kernel@vger.kernel.org Subject: [PATCH v6 14/19] arm/virt: Wire up a GED error device for ACPI / GHES Date: Thu, 27 Feb 2025 17:00:52 +0100 Message-ID: <42c066d580dc0c6414053c7b95446f003d7999ef.1740671863.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: Mauro Carvalho Chehab Content-Type: text/plain; charset="utf-8" Adds support to ARM virtualization to allow handling generic error ACPI Event via GED & error source device. It is aligned with Linux Kernel patch: https://lore.kernel.org/lkml/1272350481-27951-8-git-send-email-ying.huang@i= ntel.com/ Co-authored-by: Mauro Carvalho Chehab Co-authored-by: Jonathan Cameron Signed-off-by: Jonathan Cameron Signed-off-by: Mauro Carvalho Chehab Acked-by: Igor Mammedov --- hw/arm/virt-acpi-build.c | 1 + hw/arm/virt.c | 12 +++++++++++- include/hw/arm/virt.h | 1 + 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 5443615d976d..2bf9118fda55 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -861,6 +861,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, Virt= MachineState *vms) } =20 acpi_dsdt_add_power_button(scope); + aml_append(scope, aml_error_device()); #ifdef CONFIG_TPM acpi_dsdt_add_tpm(scope, vms); #endif diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 4a5a9666e916..3faf32f900b5 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -678,7 +678,7 @@ static inline DeviceState *create_acpi_ged(VirtMachineS= tate *vms) DeviceState *dev; MachineState *ms =3D MACHINE(vms); int irq =3D vms->irqmap[VIRT_ACPI_GED]; - uint32_t event =3D ACPI_GED_PWR_DOWN_EVT; + uint32_t event =3D ACPI_GED_PWR_DOWN_EVT | ACPI_GED_ERROR_EVT; =20 if (ms->ram_slots) { event |=3D ACPI_GED_MEM_HOTPLUG_EVT; @@ -1010,6 +1010,13 @@ static void virt_powerdown_req(Notifier *n, void *op= aque) } } =20 +static void virt_generic_error_req(Notifier *n, void *opaque) +{ + VirtMachineState *s =3D container_of(n, VirtMachineState, generic_erro= r_notifier); + + acpi_send_event(s->acpi_dev, ACPI_GENERIC_ERROR); +} + static void create_gpio_keys(char *fdt, DeviceState *pl061_dev, uint32_t phandle) { @@ -2404,6 +2411,9 @@ static void machvirt_init(MachineState *machine) =20 if (has_ged && aarch64 && firmware_loaded && virt_is_acpi_enabled(vms)= ) { vms->acpi_dev =3D create_acpi_ged(vms); + vms->generic_error_notifier.notify =3D virt_generic_error_req; + notifier_list_add(&acpi_generic_error_notifiers, + &vms->generic_error_notifier); } else { create_gpio_devices(vms, VIRT_GPIO, sysmem); } diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index c8e94e6aedc9..f3cf28436770 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -176,6 +176,7 @@ struct VirtMachineState { DeviceState *gic; DeviceState *acpi_dev; Notifier powerdown_notifier; + Notifier generic_error_notifier; PCIBus *bus; char *oem_id; char *oem_table_id; --=20 2.48.1