From patchwork Tue Jul 16 15:38:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shameerali Kolothum Thodi X-Patchwork-Id: 169074 Delivered-To: patch@linaro.org Received: by 2002:a92:4782:0:0:0:0:0 with SMTP id e2csp1027530ilk; Tue, 16 Jul 2019 08:43:57 -0700 (PDT) X-Google-Smtp-Source: APXvYqx49ogMnwLG+lHR3VR9fMCem+XlmeR63AYsn3II7aDEc2N7QTBOPCdmzNttYcDTkFdQX5Ej X-Received: by 2002:a17:906:a98b:: with SMTP id jr11mr25835781ejb.224.1563291837685; Tue, 16 Jul 2019 08:43:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563291837; cv=none; d=google.com; s=arc-20160816; b=ET4a42VUR5gJJ5wx+Gd398kzkRkPtjBcV7o/J9e+EQ3c9abTs/XpJUYfCHp8lMclTM rDYh8vFwDTeahHPsN+mfk+couNpgxRm8bk/ZPLH9MYnouD4e7LbBr95I1cepfr1dPIRZ A+fln4ju7mNXbMmjxK0e6xRYDUfncOnZMQfw6soeS+IYdKXdA6rAhhTK+DIJsIxhckjz /405Xs6bvhdVDpqswZ3klT5N4iUWZdAn7ff3JXn9PMfe/OPXjU/rt1CC03uoUhnHYDMz uVRfr2d55BuCKgrqBqmqD01g7XZz6PpLVTNSTg5XQG9xezaxBG71x7DG2u8bnUIaqcL/ XPNw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:mime-version:references :in-reply-to:message-id:date:to:from; bh=jRLuuv3sLKJ4MMZy9mT+7kth4Pq48ndqHe9l3GxCZLw=; b=lKX7ZpILgEzDIkG/8S39lCFeP4i4pLnIOMtXNYNKQOf9llwA1hVKe7VD9nG37NuLLq nSII4UNgdQGiWnxK1qC8pW3J0xi84qv/vlHvXfOzMH7+pIm4KBcHdIpU+XFy9mK4ofxf n1bjIbOkc43e6270778udM+scu+v8kSOq+Mx8I0QH2yk3Qmpb9wGMe6yKe0v0XtQiocN XtagbpDimR5lUKqdBIhYFIMtGH0GvrJaofoEfKkD44xfPg2TVXnwIUrCMyUlZ5JEml/p ZlZi7wWYzaY8gWPPkT4dCfFYFR2+MR3cZ52iydOn6AAcWYpUl2HQ5ZIuPEt/lJE2aHnR lhEw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org" Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id f13si12660484eda.21.2019.07.16.08.43.57 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Jul 2019 08:43:57 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org" Received: from localhost ([::1]:50294 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnPcS-0001TT-Ic for patch@linaro.org; Tue, 16 Jul 2019 11:43:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36977) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnPaa-0002J8-If for qemu-devel@nongnu.org; Tue, 16 Jul 2019 11:42:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hnPaY-0004uA-Ax for qemu-devel@nongnu.org; Tue, 16 Jul 2019 11:42:00 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:33896 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hnPaP-0004Qr-VQ; Tue, 16 Jul 2019 11:41:54 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 44124BB2F01CDF89B1B3; Tue, 16 Jul 2019 23:41:14 +0800 (CST) Received: from S00345302A-PC.china.huawei.com (10.202.227.237) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.439.0; Tue, 16 Jul 2019 23:41:05 +0800 From: Shameer Kolothum To: , , , Date: Tue, 16 Jul 2019 16:38:14 +0100 Message-ID: <20190716153816.17676-9-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20190716153816.17676-1-shameerali.kolothum.thodi@huawei.com> References: <20190716153816.17676-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.202.227.237] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 45.249.212.32 Subject: [Qemu-devel] [PATCH-for-4.2 v7 08/10] hw/acpi: Add system power down support to GED 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@linaro.org, sameo@linux.intel.com, ard.biesheuvel@linaro.org, linuxarm@huawei.com, xuwei5@hisilicon.com, shannon.zhaosl@gmail.com, sebastien.boeuf@intel.com, lersek@redhat.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" This adds support to use GED for system power down event. Signed-off-by: Shameer Kolothum Reviewed-by: Eric Auger --- hw/acpi/generic_event_device.c | 16 ++++++++++++++++ include/hw/acpi/generic_event_device.h | 4 ++++ 2 files changed, 20 insertions(+) -- 2.17.1 diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 2a83d68e82..2bd786b7ab 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -19,6 +19,7 @@ static const uint32_t ged_supported_events[] = { ACPI_GED_MEM_HOTPLUG_EVT, + ACPI_GED_PWR_DOWN_EVT, }; /* @@ -103,6 +104,11 @@ void build_ged_aml(Aml *table, const char *name, HotplugHandler *hotplug_dev, aml_append(if_ctx, aml_call0(MEMORY_DEVICES_CONTAINER "." MEMORY_SLOT_SCAN_METHOD)); break; + case ACPI_GED_PWR_DOWN_EVT: + aml_append(if_ctx, + aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE), + aml_int(0x80))); + break; default: /* * Please make sure all the events in ged_supported_events[] @@ -232,6 +238,13 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) acpi_ged_event(s, sel); } +static void acpi_ged_pm_powerdown_req(Notifier *n, void *opaque) +{ + AcpiGedState *s = container_of(n, AcpiGedState, powerdown_notifier); + + acpi_ged_event(s, ACPI_GED_PWR_DOWN_EVT); +} + static void acpi_ged_device_realize(DeviceState *dev, Error **errp) { AcpiGedState *s = ACPI_GED(dev); @@ -243,6 +256,9 @@ static void acpi_ged_device_realize(DeviceState *dev, Error **errp) } acpi_ged_init(get_system_memory(), dev, &s->ged_state); + + s->powerdown_notifier.notify = acpi_ged_pm_powerdown_req; + qemu_register_powerdown_notifier(&s->powerdown_notifier); } static Property acpi_ged_properties[] = { diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h index f69d084c89..9e63b72cb9 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -61,6 +61,8 @@ #include "hw/acpi/memory_hotplug.h" +#define ACPI_POWER_BUTTON_DEVICE "PWRB" + #define TYPE_ACPI_GED "acpi-ged" #define ACPI_GED(obj) \ OBJECT_CHECK(AcpiGedState, (obj), TYPE_ACPI_GED) @@ -79,6 +81,7 @@ * through GED. */ #define ACPI_GED_MEM_HOTPLUG_EVT 0x1 +#define ACPI_GED_PWR_DOWN_EVT 0x2 typedef struct GEDState { MemoryRegion io; @@ -88,6 +91,7 @@ typedef struct GEDState { typedef struct AcpiGedState { DeviceClass parent_obj; + Notifier powerdown_notifier; MemHotplugState memhp_state; hwaddr memhp_base; hwaddr ged_base;