From nobody Thu Dec 18 15:40:40 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 73979203D56 for ; Fri, 6 Dec 2024 17:21:28 +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=1733505688; cv=none; b=BKWyTEk3xE64AxtSFd79h7YuqJdpZO13F38Tee+SIa+cXqcIxtSlqb5aIfuS6k0eOc3XS9bAsHPqH91KI9pwZiLMQjyes4EyeJ1iTPq9sQ7ETyn4pGd2S1Z/rQ8B5yLKQpu6ZIa0xzFsg6vO0mSZyBhsgeIVACInF8Der9R1bW0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733505688; c=relaxed/simple; bh=WdvNgQYWShtxIcm6i2e5IyxmF2QzEyH+E6nYU6VJMwU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KfLkI32NT/Giqa0entnhJGNd/L5AlHwXfD209c4U+GwhgiNnfrgKP8U6zpTpcPC5pRkfHA75Qpje3jc80RZyP41FMKxZjPxGNo7jNjRaGgD64FD4NpdYtJl93TMBvduCOzK+TaOYsYgIpK0mphiTb0amkSIJsrkR6+dKrjMjy6g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lmipS22S; 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="lmipS22S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7A4DC4CEDE; Fri, 6 Dec 2024 17:21:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733505687; bh=WdvNgQYWShtxIcm6i2e5IyxmF2QzEyH+E6nYU6VJMwU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lmipS22S0xFcj7zeHfFbGWONRb/0RcaK6mb+9jhVva21LHmVYBRQM5FzIfYZXTSj0 q8qkNos//97wfy3QAdYNssoiyH74x+yUOR94+/KYJK53cYxgiXo3dfwJyMcGcYANny aCpWwyeyYWTZK22aLLTKFFaEk+sZa+wBBTYjBP2z7It0dUxD8JS0cDIS/zkx4f/siu eRlJo2FSOOniR6Iyv4/S/DChg+Knt6DTRt+psfnXEWQs8HYh0WFHMkumJal/iyj6jz R3rsL7Zy29iSrbt3WchqI2z83lqePoIxLD4mu/KrU2PaT+UHrAK4uKnOE9b+AoKbaM gBA0ukMpNiuUg== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1tJc18-00000005RKs-0Dd4; Fri, 06 Dec 2024 18:21:26 +0100 From: Mauro Carvalho Chehab To: "Michael S . Tsirkin" Cc: Jonathan Cameron , Shiju Jose , Mauro Carvalho Chehab , Ani Sinha , Igor Mammedov , Peter Maydell , Shannon Zhao , linux-kernel@vger.kernel.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 21/31] arm/virt: Wire up a GED error device for ACPI / GHES Date: Fri, 6 Dec 2024 18:12:43 +0100 Message-ID: <99c66bcc0229403ae61c5044371fed9b82e03b8c.1733504943.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.47.1 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: Jonathan Cameron Signed-off-by: Jonathan Cameron Co-authored-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab Acked-by: Igor Mammedov --- Changes from v8: - Added a call to the function that produces GHES generic records, as this is now added earlier in this series. Signed-off-by: Mauro Carvalho Chehab --- 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 46ce3f3bb07a..eb5b61f636d2 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -857,6 +857,7 @@ 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 1a381e9a2bd7..795d215521a3 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) { @@ -2403,6 +2410,9 @@ 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 aca4f8061b18..24ab84cd623d 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 2.47.1