From nobody Mon Feb 9 07:55:41 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=1579777045; cv=none; d=zohomail.com; s=zohoarc; b=fA+7ikozA9BlsKppl/UirpL6EmVqrJD7Jn6BrnEuoijxQye7Gt0XcShlVN4fSXionuzoPgf+2R8Jc7SWbqI6l4Sn8KMKscXnDEoQgZHR+tPdNTQ/VhEg12j7uZggRGmB8/IBlSKfQUMFgQHozI8WHkNTg15gcsZ1Ms+Tp2KuqWI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1579777045; 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=YbEMrzkqcQArO533ZVcPymSl/LbOPzx0uhMojOZ8it+9ipEGEUmxg5va8u/kdKDsWP/Eno1/wyLnYUVIb+6tYw9D8PKGAzWrkaEQ+4QfrQ7MQTxqEbAB3YNw6Mwk1jWHqb/Shm4J1CsAc0a2ZOpqbxujYcDGpQ5uYGKkkM/cwIc= 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 1579777045354408.2798305903847; Thu, 23 Jan 2020 02:57:25 -0800 (PST) Received: from localhost ([::1]:54546 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuaAu-0002GA-88 for importer@patchew.org; Thu, 23 Jan 2020 05:57:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54335) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuaA4-0001Q5-7O for qemu-devel@nongnu.org; Thu, 23 Jan 2020 05:56:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iuaA3-0002XL-3Z for qemu-devel@nongnu.org; Thu, 23 Jan 2020 05:56:32 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:35855 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 1iuaA2-0002W3-Uv for qemu-devel@nongnu.org; Thu, 23 Jan 2020 05:56:31 -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-282-juggWYIRNCCTdrrxbzrwLw-1; Thu, 23 Jan 2020 05:56:28 -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 42C27108592B for ; Thu, 23 Jan 2020 10:56:27 +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 704D51001920; Thu, 23 Jan 2020 10:56:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579776990; 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=eEw+SlcqrTiiB75mZ2wsIF2mY4/b9qnD9id/STRvdlpTDfDmNd3bNWJ3Z19IBQgVKVscUH rqhhv1f4Iy7y7HIcRs7is9zIiBPzrRpifRzsH+pBpnvSo52VtMVz91jc4YrRpZvU1F4JWA K5iREQM6l+gJcjWgghtpyJjfZj132jA= From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v3 02/80] machine: introduce memory-backend property Date: Thu, 23 Jan 2020 11:52:46 +0100 Message-Id: <1579776844-163759-3-git-send-email-imammedo@redhat.com> In-Reply-To: <1579776844-163759-1-git-send-email-imammedo@redhat.com> References: <1579776844-163759-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: juggWYIRNCCTdrrxbzrwLw-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: 205.139.110.120 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