From nobody Fri Dec 19 02:48:14 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1589981081; cv=none; d=zohomail.com; s=zohoarc; b=fj82TfX+8E73dVDwLSmy9FC1QRracsIYoDTANw4G3LiRKFLwjsVCcjZ/NBBO9ef1nwM8aAR731z4DWoPWctcksV5fhJBHW8JRYUR0y185C765+9gJa+ONMjoRDsC/TFwccIKYVW7RF7hrSSotKP+jOlkhFRHVrmfL/7aurGMZ6A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589981081; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=y4l/wLNM+Ws5zx05lfTKUy0HcJz6AmubwM0kMg2Czgk=; b=oBl5dU5cpeDIaiw2lyQa4b6ebb35DWpQt6nlLo6V9k6BWBRlR8TK5ZN1qheLw7h40fRLIzfBisyuGIsWX7UzMFsqvmW5tfk1baSVUnmM+z2a3YKJkPwBCMLdQJV4sOOC7znE4YmIAkUWbuwj4Gu40XtybQTEXURlTBfJpSz21nw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1589981081090942.3281427395939; Wed, 20 May 2020 06:24:41 -0700 (PDT) Received: from localhost ([::1]:44726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jbOi7-0001xS-Rl for importer@patchew.org; Wed, 20 May 2020 09:24:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47780) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jbOeC-0002BI-Fb for qemu-devel@nongnu.org; Wed, 20 May 2020 09:20:36 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:23785 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jbOe9-0000I9-Vh for qemu-devel@nongnu.org; Wed, 20 May 2020 09:20:35 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-302-xEFuaHAUMYKws5UVsgIEeQ-1; Wed, 20 May 2020 09:20:31 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AE9E31005510; Wed, 20 May 2020 13:20:24 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-113-50.ams2.redhat.com [10.36.113.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id CF3065D9CA; Wed, 20 May 2020 13:20:21 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 060249D59; Wed, 20 May 2020 15:20:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589980833; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=y4l/wLNM+Ws5zx05lfTKUy0HcJz6AmubwM0kMg2Czgk=; b=grEMs9WzUeLWzbYwL/KOqkHtSCDSRKUp6NxHeQmiQXNtC+nJot88ri6pbXMG9wnms6W6nh TOezBfGFyZu36XLaihrRgaFLkhuZ8xTuzxXH0kT3v59wpIQAyvumrVAi3mvnihAddvbJrR uql2ED9i9W+LAQI9SYxpy65DR5QgCFw= X-MC-Unique: xEFuaHAUMYKws5UVsgIEeQ-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v3 10/22] acpi: ged: add control regs Date: Wed, 20 May 2020 15:19:51 +0200 Message-Id: <20200520132003.9492-11-kraxel@redhat.com> In-Reply-To: <20200520132003.9492-1-kraxel@redhat.com> References: <20200520132003.9492-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=205.139.110.120; envelope-from=kraxel@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/19 22:48:02 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Eduardo Habkost , Sergio Lopez , "Michael S. Tsirkin" , Shannon Zhao , qemu-arm@nongnu.org, Gerd Hoffmann , Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add control regs (sleep, reset) for hw-reduced acpi. Signed-off-by: Gerd Hoffmann --- include/hw/acpi/generic_event_device.h | 7 ++++ hw/acpi/generic_event_device.c | 44 ++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/gener= ic_event_device.h index 90a9180db572..474c92198080 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -72,6 +72,12 @@ #define ACPI_GED_EVT_SEL_OFFSET 0x0 #define ACPI_GED_EVT_SEL_LEN 0x4 =20 +#define ACPI_GED_REG_SLEEP_CTL 0x00 +#define ACPI_GED_REG_SLEEP_STS 0x01 +#define ACPI_GED_REG_RESET 0x02 +#define ACPI_GED_RESET_VALUE 0x42 +#define ACPI_GED_REG_COUNT 0x03 + #define GED_DEVICE "GED" #define AML_GED_EVT_REG "EREG" #define AML_GED_EVT_SEL "ESEL" @@ -87,6 +93,7 @@ =20 typedef struct GEDState { MemoryRegion evt; + MemoryRegion regs; uint32_t sel; } GEDState; =20 diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 1cb34111e59a..3072fb4ab32b 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -20,6 +20,7 @@ #include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "qemu/error-report.h" +#include "sysemu/runstate.h" =20 static const uint32_t ged_supported_events[] =3D { ACPI_GED_MEM_HOTPLUG_EVT, @@ -176,6 +177,45 @@ static const MemoryRegionOps ged_evt_ops =3D { }, }; =20 +static uint64_t ged_regs_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0; +} + +static void ged_regs_write(void *opaque, hwaddr addr, uint64_t data, + unsigned int size) +{ + bool slp_en; + int slp_typ; + + switch (addr) { + case ACPI_GED_REG_SLEEP_CTL: + slp_typ =3D (data >> 2) & 0x07; + slp_en =3D (data >> 5) & 0x01; + if (slp_en && slp_typ =3D=3D 5) { + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + } + return; + case ACPI_GED_REG_SLEEP_STS: + return; + case ACPI_GED_REG_RESET: + if (data =3D=3D ACPI_GED_RESET_VALUE) { + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + } + return; + } +} + +static const MemoryRegionOps ged_regs_ops =3D { + .read =3D ged_regs_read, + .write =3D ged_regs_write, + .endianness =3D DEVICE_LITTLE_ENDIAN, + .valid =3D { + .min_access_size =3D 1, + .max_access_size =3D 1, + }, +}; + static void acpi_ged_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -305,6 +345,10 @@ static void acpi_ged_initfn(Object *obj) sysbus_init_mmio(sbd, &s->container_memhp); acpi_memory_hotplug_init(&s->container_memhp, OBJECT(dev), &s->memhp_state, 0); + + memory_region_init_io(&ged_st->regs, obj, &ged_regs_ops, ged_st, + TYPE_ACPI_GED "-regs", ACPI_GED_REG_COUNT); + sysbus_init_mmio(sbd, &ged_st->regs); } =20 static void acpi_ged_class_init(ObjectClass *class, void *data) --=20 2.18.4