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Wed, 28 May 2025 16:38:46 GMT Received: from localhost.localdomain (dhcp-10-43-12-51.usdhcp.oraclecorp.com [10.43.12.51]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 46u4janmp6-1; Wed, 28 May 2025 16:38:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=corp-2025-04-25; bh=ac6kO eH89eYR2GEbVsxCjN4yoWwGYSLrITsjZygt6+Q=; b=HBRLKlhENkjZvuZQfwUpM zdtguW8N5z6r6pJu6ZuebwWsZAjkQecHVCzAXsXuG3E1Dxai0H3kXsIfVKjBOua1 fO2bmlULBXVDYuZqK9Xnj/1JHVhLsE8EK//lsIeUkCndN32Np9xWTmll99vTL22O /JawlNTTC+BCtlbuWm4raDFgLT1+xrVGndgsw71fpBEYqvThbn4ZEVnrulN2FfGp Dc+cjhrHc4uW9IaP1290PASkmj0IQMwO8Um3kkK+Jenq2Bvx3fyyp/m1peUU/DsO 1dUD9EYQKRv0/oy1RIA+SeAAEZNXrt9xzFoI1LVwxTH9jOuRZDq4/vw4tdFqB0Kv A== From: Annie Li To: qemu-devel@nongnu.org Cc: dave@treblig.org, mst@redhat.com, imammedo@redhat.com, anisinha@redhat.com, eduardo@habkost.net, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, zhao1.liu@intel.com, pbonzini@redhat.com, richard.henderson@linaro.org, slp@redhat.com, eblake@redhat.com, armbru@redhat.com, annie.li@oracle.com, miguel.luis@oracle.com Subject: [PATCH 01/13] acpi: Implement control method sleep button Date: Wed, 28 May 2025 12:38:34 -0400 Message-ID: <20250528163835.2151-1-annie.li@oracle.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20250528163545.2143-1-annie.li@oracle.com> References: <20250528163545.2143-1-annie.li@oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-28_08,2025-05-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 suspectscore=0 adultscore=0 malwarescore=0 bulkscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2505280145 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTI4MDE0NSBTYWx0ZWRfX5scameJKD5tx 5aoroJRMymBLqrCGswZlLPLnzI9QicKOqN098Ojbi3dmkl07erSuCkjFnH98dZUUc2sld7SXpmp 7uBU48PCfF/y6iOMWuujmPYpZK14gPw1NBCpUiLkYxEyVHR8f0Cu0JXoS5H1ygcrHgQFJ5QA27g nn2/q1GFEk/JH1zgZtlnRcgB4tZYdYtH4zeBgp8cB/OEJMYEiwXBiHPN5oRCW7VtdIu25Cx3wBG 8lv4nuJn2pawGnO/kJPh/yOjNWHz/O7m139ZHVJR+6O17be0/YNU6KUAiOhFqViclyvCnxlTTJX 4/x2wieyh76iumLLpzC5ZXT4zhuQfni3ZTzSkuWbiwUgfThYA7Mov5lItjBf/mhp3dB1Q9FAhqC 4DNhkJ0DzbjQv1r9Rz+dCoorFjdwqoGUtUppuvZO2zXRV9hpn5I9Fs3CWFoTYQatnRb9W8lW X-Proofpoint-GUID: sy7Wn9zCBmnBPc57lhvd_wRE6vG1RRRO X-Authority-Analysis: v=2.4 cv=UvhjN/wB c=1 sm=1 tr=0 ts=68373c17 cx=c_pps a=XiAAW1AwiKB2Y8Wsi+sD2Q==:117 a=XiAAW1AwiKB2Y8Wsi+sD2Q==:17 a=dt9VzEwgFbYA:10 a=yPCof4ZbAAAA:8 a=sPl2G_jGVtvQ9U5vArsA:9 X-Proofpoint-ORIG-GUID: sy7Wn9zCBmnBPc57lhvd_wRE6vG1RRRO Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" The fixed hardware sleep button isn't appropriate for hardware reduced platform. This patch implements the control method sleep button in a separate source file so that the button can be added for various platforms. Co-developed-by: Miguel Luis Signed-off-by: Annie Li --- hw/acpi/control_method_device.c | 38 +++++++++++++++++++++++++ hw/acpi/meson.build | 1 + include/hw/acpi/control_method_device.h | 21 ++++++++++++++ 3 files changed, 60 insertions(+) diff --git a/hw/acpi/control_method_device.c b/hw/acpi/control_method_devic= e.c new file mode 100644 index 0000000000..f8d691ee04 --- /dev/null +++ b/hw/acpi/control_method_device.c @@ -0,0 +1,38 @@ +/* + * Control Method Device + * + * Copyright (c) 2023 Oracle and/or its affiliates. + * + * + * Authors: + * Annie Li + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/acpi/control_method_device.h" +#include "hw/acpi/aml-build.h" + +/* + * The control method sleep button[ACPI v6.5 Section 4.8.2.2.2.2] + * resides in generic hardware address spaces. The sleep button + * is defined as _HID("PNP0C0E") that associates with device "SLPB". + */ +void acpi_dsdt_add_sleep_button(Aml *scope) +{ + Aml *dev =3D aml_device(ACPI_SLEEP_BUTTON_DEVICE); + aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0E"))); + /* + * No _PRW, the sleep button device is always tied to GPE L07 + * event handler for x86 platform, or a GED event for other + * platforms such as virt, ARM, microvm, etc. + */ + aml_append(dev, aml_operation_region("\\SLP", AML_SYSTEM_IO, + aml_int(0x201), 0x1)); + Aml *field =3D aml_field("\\SLP", AML_BYTE_ACC, AML_NOLOCK, + AML_WRITE_AS_ZEROS); + aml_append(field, aml_named_field("SBP", 1)); + aml_append(dev, field); + aml_append(scope, dev); +} diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index 73f02b9691..a62e625cef 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -17,6 +17,7 @@ acpi_ss.add(when: 'CONFIG_ACPI_CXL', if_true: files('cxl.= c'), if_false: files('c acpi_ss.add(when: 'CONFIG_ACPI_VMGENID', if_true: files('vmgenid.c')) acpi_ss.add(when: 'CONFIG_ACPI_VMCLOCK', if_true: files('vmclock.c')) acpi_ss.add(when: 'CONFIG_ACPI_HW_REDUCED', if_true: files('generic_event_= device.c')) +acpi_ss.add(when: 'CONFIG_ACPI_HW_REDUCED', if_true: files('control_method= _device.c')) acpi_ss.add(when: 'CONFIG_ACPI_HMAT', if_true: files('hmat.c')) acpi_ss.add(when: 'CONFIG_ACPI_APEI', if_true: files('ghes.c'), if_false: = files('ghes-stub.c')) acpi_ss.add(when: 'CONFIG_ACPI_PIIX4', if_true: files('piix4.c')) diff --git a/include/hw/acpi/control_method_device.h b/include/hw/acpi/cont= rol_method_device.h new file mode 100644 index 0000000000..079f1a74dd --- /dev/null +++ b/include/hw/acpi/control_method_device.h @@ -0,0 +1,21 @@ +/* + * Control Method Device + * + * Copyright (c) 2023 Oracle and/or its affiliates. + * + * + * Authors: + * Annie Li + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + + +#ifndef HW_ACPI_CONTROL_METHOD_DEVICE_H +#define HW_ACPI_CONTROL_NETHOD_DEVICE_H + +#define ACPI_SLEEP_BUTTON_DEVICE "SLPB" + +void acpi_dsdt_add_sleep_button(Aml *scope); + +#endif --=20 2.43.5