From patchwork Tue Dec 18 12:41:50 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasilis Liaskovitis X-Patchwork-Id: 207139 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DA9BE2C0080 for ; Wed, 19 Dec 2012 01:35:06 +1100 (EST) Received: from localhost ([::1]:34015 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkyG9-0006bD-1Z for incoming@patchwork.ozlabs.org; Tue, 18 Dec 2012 09:35:05 -0500 Received: from eggs.gnu.org ([208.118.235.92]:46345) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkwVa-0000Gy-CA for qemu-devel@nongnu.org; Tue, 18 Dec 2012 07:42:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TkwVV-00006l-KM for qemu-devel@nongnu.org; Tue, 18 Dec 2012 07:42:54 -0500 Received: from mail-bk0-f42.google.com ([209.85.214.42]:34527) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkwVV-00006b-DM for qemu-devel@nongnu.org; Tue, 18 Dec 2012 07:42:49 -0500 Received: by mail-bk0-f42.google.com with SMTP id ji2so290076bkc.1 for ; Tue, 18 Dec 2012 04:42:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references:x-gm-message-state; bh=aVFv4QaDzcZ4eXMvVxdPQ91/LXaVBFoDwajja7JmkLA=; b=p2a9Nog6ZzCPmcVhDqqiLvgpmV29oLHmVKeaI6PF6RVkGJNw+uZjxmlG/Al6b1mtmL 63RZ9Q3QyXOpsquiGhQpjPoPm6XSCqMe0C6qQ1cDlxJMSQToTVNpMxv+GAK+OTtH6pwO d7D8wFcCAjfuWjxgQlV1aTn7bNYtI/g/CHbM8CnLJNNPFE+0hkvCm/QAWB9WZ4XE04u1 f3Idp6wdz989q1k1gwUI/oDUtFF9RaLoQ3c0AsLLauiFOEXu5OrqnQIMAwC33cp0Zo5U bhoDwh4oXh2Df3REE9cNZe6XySIwvXGTfyCt0rsBilQxaNuN6B+6Y0Y8o4A3qXoAeNRM DkAg== X-Received: by 10.204.153.197 with SMTP id l5mr656321bkw.80.1355834568384; Tue, 18 Dec 2012 04:42:48 -0800 (PST) Received: from dhcp-192-168-178-175.ri.profitbricks.localdomain ([62.217.45.26]) by mx.google.com with ESMTPS id f24sm1169954bkv.7.2012.12.18.04.42.46 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 18 Dec 2012 04:42:47 -0800 (PST) From: Vasilis Liaskovitis To: qemu-devel@nongnu.org, seabios@seabios.org Date: Tue, 18 Dec 2012 13:41:50 +0100 Message-Id: <1355834518-17989-23-git-send-email-vasilis.liaskovitis@profitbricks.com> X-Mailer: git-send-email 1.7.9 In-Reply-To: <1355834518-17989-1-git-send-email-vasilis.liaskovitis@profitbricks.com> References: <1355834518-17989-1-git-send-email-vasilis.liaskovitis@profitbricks.com> X-Gm-Message-State: ALoCoQkfPTeKFOk/v/6CV2IbE/mPTTN4vJdZ2+2LQdkOozAhmhriMz0OX45ABmhVyNBa+elCFfok X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.214.42 Cc: Vasilis Liaskovitis , pingfank@linux.vnet.ibm.com, gleb@redhat.com, stefanha@gmail.com, jbaron@redhat.com, blauwirbel@gmail.com, kevin@koconnor.net, kraxel@redhat.com, anthony@codemonkey.ws Subject: [Qemu-devel] [RFC PATCH v4 22/30] [SeaBIOS] acpi: add _EJ0 operation and eject port for memory devices X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This will allow hot-remove signalling from/to qemu and acpi-enabled guest. --- src/acpi-dsdt-mem-hotplug.dsl | 15 +++++++++++++++ src/ssdt-mem.dsl | 3 +++ 2 files changed, 18 insertions(+), 0 deletions(-) diff --git a/src/acpi-dsdt-mem-hotplug.dsl b/src/acpi-dsdt-mem-hotplug.dsl index 0e7ced3..fd73ea7 100644 --- a/src/acpi-dsdt-mem-hotplug.dsl +++ b/src/acpi-dsdt-mem-hotplug.dsl @@ -21,6 +21,13 @@ Scope(\_SB) { MES, 256 } + /* Memory eject byte */ + OperationRegion(MEMJ, SystemIO, 0xafa0, 1) + Field (MEMJ, ByteAcc, NoLock, Preserve) + { + MPE, 8 + } + Method(MESC, 0) { // Local5 = active memdevice bitmap Store (MES, Local5) @@ -47,6 +54,8 @@ Scope(\_SB) { // Do MEM notify If (LEqual(Local3, 1)) { MTFY(Local0, 1) + } Else { + MTFY(Local0, 3) } } Increment(Local0) @@ -54,4 +63,10 @@ Scope(\_SB) { Return(One) } + Method (MPEJ, 2, NotSerialized) { + // _EJ0 method - eject callback + Store(Arg0, MPE) + Sleep(200) + } + } diff --git a/src/ssdt-mem.dsl b/src/ssdt-mem.dsl index dbac33f..eef84b6 100644 --- a/src/ssdt-mem.dsl +++ b/src/ssdt-mem.dsl @@ -57,6 +57,9 @@ DefinitionBlock ("ssdt-mem.aml", "SSDT", 0x02, "BXPC", "CSSDT", 0x1) Method (_STA, 0) { Return(CMST(ID)) } + Method (_EJ0, 1, NotSerialized) { + MPEJ(ID, Arg0) + } } }