From nobody Mon Feb 9 02:27:34 2026 Delivered-To: importer@patchew.org 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; 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=1579779801; cv=none; d=zohomail.com; s=zohoarc; b=KbKtOhVlRaHPtkLMYCu/ls3SOimhPo6Id2Y7cJPIHNX95eYIZdj04rCRMXUY2scBicZ0a/phVMWbgLq+pcf+fCCyjLn4Vc+rEjHjJQk588mHM0l/RX5QB22Myol9CZF/tORikSS1wHEsGCrPCW+LUXY9NCeNHhXeiBWyUR+bepk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1579779801; h=Content-Type:Content-Transfer-Encoding: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=FaOaicH6bRk3FSp2iZu1SQpC36iDD1sE8fB/0bIEj+k=; b=WLzqGYju4i3LLotTU+wPQnUHSlSjgx/qy5WeeVX7ypdoZMrr4bwRypgreebj4TJmqNj2PuUoD9+ZvwmDjbbJmrDvrjdpPbqs8ysYOLU634VuG1TCSW0UGK7mxjRrhJYYCYCoXEC/aWVA7oi4vshKWJxXy8UqozO0ZQAfKAS24vI= 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 1579779801405813.5195244787802; Thu, 23 Jan 2020 03:43:21 -0800 (PST) Received: from localhost ([::1]:55152 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuatL-0006ym-Mk for importer@patchew.org; Thu, 23 Jan 2020 06:43:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34766) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuarH-0004wK-Ol for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:41:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iuarG-0003om-L6 for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:41:11 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:54032 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iuarG-0003oY-Ig for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:41:10 -0500 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-141-P8KuJChRNuuZgfhL-RHpvA-1; Thu, 23 Jan 2020 06:41:08 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BFEB18010E0 for ; Thu, 23 Jan 2020 11:41:07 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id D844F10016E8; Thu, 23 Jan 2020 11:41:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579779670; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FaOaicH6bRk3FSp2iZu1SQpC36iDD1sE8fB/0bIEj+k=; b=MQ9qIC/ZOHdKOJqZUOcbxZds5SCHSy2rzcskyOiqJ0hd4zeWN64D5tu0KdIcAEYbWhje9y Hcqm7xteipk7JQ+m97WRlfkRX/E5Edd6lR9LK9PyyJ5QFTM+eNmJrC7eXFnSHkyheIiQN/ bh/zG9GnTmEnjT1g9HzQEerIgJcZAZ0= From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH REPOST v3 02/80] machine: introduce memory-backend property Date: Thu, 23 Jan 2020 12:37:27 +0100 Message-Id: <1579779525-20065-3-git-send-email-imammedo@redhat.com> In-Reply-To: <1579779525-20065-1-git-send-email-imammedo@redhat.com> References: <1579779525-20065-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: P8KuJChRNuuZgfhL-RHpvA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 207.211.31.120 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: pbonzini@redhat.com, ehabkost@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Property will contain link to memory backend that will be used for backing initial RAM. Follow up commit will alias -mem-path and -mem-prealloc CLI options into memory backend options to make memory handling consistent (using only hostmem backend family for guest RAM allocation). Signed-off-by: Igor Mammedov --- v3: * rename property name from ram-memdev to memory-backend (Paolo Bonzini ) CC: ehabkost@redhat.com CC: pbonzini@redhat.com --- include/hw/boards.h | 2 ++ hw/core/machine.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/include/hw/boards.h b/include/hw/boards.h index fb1b43d..6aa01b8 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -4,6 +4,7 @@ #define HW_BOARDS_H =20 #include "exec/memory.h" +#include "sysemu/hostmem.h" #include "sysemu/blockdev.h" #include "sysemu/accel.h" #include "qapi/qapi-types-machine.h" @@ -285,6 +286,7 @@ struct MachineState { bool enforce_config_section; bool enable_graphics; char *memory_encryption; + HostMemoryBackend *ram_memdev; DeviceMemoryState *device_memory; =20 ram_addr_t ram_size; diff --git a/hw/core/machine.c b/hw/core/machine.c index 3e288bf..bf30183 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -886,6 +886,15 @@ static void machine_initfn(Object *obj) "Table (HMAT)", NULL); } =20 + object_property_add_link(obj, "memory-backend", TYPE_MEMORY_BACKEND, + (Object **)&ms->ram_memdev, + object_property_allow_set_link, + OBJ_PROP_LINK_STRONG, &error_abort); + object_property_set_description(obj, "memory-backend", + "Set RAM backend" + "Valid value is ID of hostmem based ba= ckend", + &error_abort); + /* Register notifier when init is done for sysbus sanity checks */ ms->sysbus_notifier.notify =3D machine_init_notify; qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); --=20 2.7.4