From patchwork Wed May 22 21:11:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salil Mehta X-Patchwork-Id: 13671098 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E914C25B78 for ; Wed, 22 May 2024 21:15:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s9tIX-00062s-Gw; Wed, 22 May 2024 17:14:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9tIO-0005l3-HB; Wed, 22 May 2024 17:14:54 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9tIN-0000fU-1b; Wed, 22 May 2024 17:14:48 -0400 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Vl3r81j4jz6JB1G; Thu, 23 May 2024 05:11:04 +0800 (CST) Received: from lhrpeml500001.china.huawei.com (unknown [7.191.163.213]) by mail.maildlp.com (Postfix) with ESMTPS id 790C7140B18; Thu, 23 May 2024 05:14:44 +0800 (CST) Received: from 00293818-MRGF.china.huawei.com (10.48.156.123) by lhrpeml500001.china.huawei.com (7.191.163.213) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 22 May 2024 22:14:23 +0100 To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH V11 8/8] docs/specs/acpi_hw_reduced_hotplug: Add the CPU Hotplug Event Bit Date: Wed, 22 May 2024 22:11:11 +0100 Message-ID: <20240522211111.232114-9-salil.mehta@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240522211111.232114-1-salil.mehta@huawei.com> References: <20240522211111.232114-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.156.123] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To lhrpeml500001.china.huawei.com (7.191.163.213) Received-SPF: pass client-ip=185.176.79.56; envelope-from=salil.mehta@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Salil Mehta X-Patchwork-Original-From: Salil Mehta via From: Salil Mehta Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug and non-hotplug events like system power down event. Each of these can be selected using a bit in the 32 bit GED IO interface. A bit has been reserved for the CPU hotplug event. Signed-off-by: Salil Mehta Reviewed-by: Gavin Shan --- docs/specs/acpi_hw_reduced_hotplug.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/specs/acpi_hw_reduced_hotplug.rst b/docs/specs/acpi_hw_reduced_hotplug.rst index 0bd3f9399f..3acd6fcd8b 100644 --- a/docs/specs/acpi_hw_reduced_hotplug.rst +++ b/docs/specs/acpi_hw_reduced_hotplug.rst @@ -64,7 +64,8 @@ GED IO interface (4 byte access) 0: Memory hotplug event 1: System power down event 2: NVDIMM hotplug event - 3-31: Reserved + 3: CPU hotplug event + 4-31: Reserved **write_access:**