From nobody Tue Feb 10 02:00:40 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=1579784292; cv=none; d=zohomail.com; s=zohoarc; b=c+nzcDGwQTEbox8R9oDwKtknYsHkx/ckmdI9WYs2GggppELRcMjzs/w0bVFC6/CFamrfQuRw7f+/DOiuwS+CA6RF3oNvhUEtl5FA6I/DyaKOSHTEblwhvLDkDCVjJ8jSof07c6QTR31EYl64XB7m/l7sNuknHvHMHHkWDKsRvKE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1579784292; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=m0tPyfIG/1DzNomXMeY5FZxQSCY8+/0Clp5G5kbILOg=; b=XxiwLpSGYTzuyhtbfRMdjmpSwgPf/pSv4X/OMwD98g8bpe0c6XOhE8mx8WLyJbMMrZyeK0zmpwXhzxW2yMR/XIYJ/PBTuVM6nivWckWj/OcDOsBC24BNrdwNxPrLNy/XIY4xZSuxlnKRO6Y+IMlPoLl5osdqZm3z/k6z2k+WzXk= 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 1579784292604791.2673750803954; Thu, 23 Jan 2020 04:58:12 -0800 (PST) Received: from localhost ([::1]:56636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuc3m-00083j-SW for importer@patchew.org; Thu, 23 Jan 2020 07:58:10 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40196) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iub8k-0001w6-3v for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:59:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iub8i-0004vq-6d for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:59:13 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:53785 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 1iub8i-0004ut-2e for qemu-devel@nongnu.org; Thu, 23 Jan 2020 06:59:12 -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-189-qSjN7BcNNMOPUrAAfUjalQ-1; Thu, 23 Jan 2020 06:59:09 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 69E5D800D41 for ; Thu, 23 Jan 2020 11:59:08 +0000 (UTC) Received: from secure.mitica (ovpn-116-207.ams2.redhat.com [10.36.116.207]) by smtp.corp.redhat.com (Postfix) with ESMTP id BB9EB28989; Thu, 23 Jan 2020 11:59:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579780751; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=m0tPyfIG/1DzNomXMeY5FZxQSCY8+/0Clp5G5kbILOg=; b=NhkxjIEYpvSC1okBjIrts2CpVyKCLWXyGC8UqmuEjM/KZ9mOQg+0Jrm7yQQxtl7PtYigN/ qYubFgoazHU2c62oOXI4PvzbnO7wwqGTERBGc6IHG+ZwXcV6N7rxC/7mUE/AvW6ViXyAR7 sYzgMEhZ8pbFvB6IZYGdUdYQCNiCSPs= From: Juan Quintela To: qemu-devel@nongnu.org Subject: [PATCH v3 10/21] ram_addr: Split RAMBlock definition Date: Thu, 23 Jan 2020 12:58:20 +0100 Message-Id: <20200123115831.36842-11-quintela@redhat.com> In-Reply-To: <20200123115831.36842-1-quintela@redhat.com> References: <20200123115831.36842-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: qSjN7BcNNMOPUrAAfUjalQ-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: Laurent Vivier , Thomas Huth , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Juan Quintela , Markus Armbruster , "Dr. David Alan Gilbert" , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" We need some of the fields without having to poison everything else. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- MAINTAINERS | 1 + include/exec/ram_addr.h | 40 +------------------------- include/exec/ramblock.h | 64 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 66 insertions(+), 39 deletions(-) create mode 100644 include/exec/ramblock.h diff --git a/MAINTAINERS b/MAINTAINERS index 2c768ed3d8..3732f746b3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1965,6 +1965,7 @@ F: ioport.c F: include/exec/memop.h F: include/exec/memory.h F: include/exec/ram_addr.h +F: include/exec/ramblock.h F: memory.c F: include/exec/memory-internal.h F: exec.c diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 5adebb0bc7..5e59a3d8d7 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -24,45 +24,7 @@ #include "hw/xen/xen.h" #include "sysemu/tcg.h" #include "exec/ramlist.h" - -struct RAMBlock { - struct rcu_head rcu; - struct MemoryRegion *mr; - uint8_t *host; - uint8_t *colo_cache; /* For colo, VM's ram cache */ - ram_addr_t offset; - ram_addr_t used_length; - ram_addr_t max_length; - void (*resized)(const char*, uint64_t length, void *host); - uint32_t flags; - /* Protected by iothread lock. */ - char idstr[256]; - /* RCU-enabled, writes protected by the ramlist lock */ - QLIST_ENTRY(RAMBlock) next; - QLIST_HEAD(, RAMBlockNotifier) ramblock_notifiers; - int fd; - size_t page_size; - /* dirty bitmap used during migration */ - unsigned long *bmap; - /* bitmap of already received pages in postcopy */ - unsigned long *receivedmap; - - /* - * bitmap to track already cleared dirty bitmap. When the bit is - * set, it means the corresponding memory chunk needs a log-clear. - * Set this up to non-NULL to enable the capability to postpone - * and split clearing of dirty bitmap on the remote node (e.g., - * KVM). The bitmap will be set only when doing global sync. - * - * NOTE: this bitmap is different comparing to the other bitmaps - * in that one bit can represent multiple guest pages (which is - * decided by the `clear_bmap_shift' variable below). On - * destination side, this should always be NULL, and the variable - * `clear_bmap_shift' is meaningless. - */ - unsigned long *clear_bmap; - uint8_t clear_bmap_shift; -}; +#include "exec/ramblock.h" =20 /** * clear_bmap_size: calculate clear bitmap size diff --git a/include/exec/ramblock.h b/include/exec/ramblock.h new file mode 100644 index 0000000000..07d50864d8 --- /dev/null +++ b/include/exec/ramblock.h @@ -0,0 +1,64 @@ +/* + * Declarations for cpu physical memory functions + * + * Copyright 2011 Red Hat, Inc. and/or its affiliates + * + * Authors: + * Avi Kivity + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + * + */ + +/* + * This header is for use by exec.c and memory.c ONLY. Do not include it. + * The functions declared here will be removed soon. + */ + +#ifndef QEMU_EXEC_RAMBLOCK_H +#define QEMU_EXEC_RAMBLOCK_H + +#ifndef CONFIG_USER_ONLY +#include "cpu-common.h" + +struct RAMBlock { + struct rcu_head rcu; + struct MemoryRegion *mr; + uint8_t *host; + uint8_t *colo_cache; /* For colo, VM's ram cache */ + ram_addr_t offset; + ram_addr_t used_length; + ram_addr_t max_length; + void (*resized)(const char*, uint64_t length, void *host); + uint32_t flags; + /* Protected by iothread lock. */ + char idstr[256]; + /* RCU-enabled, writes protected by the ramlist lock */ + QLIST_ENTRY(RAMBlock) next; + QLIST_HEAD(, RAMBlockNotifier) ramblock_notifiers; + int fd; + size_t page_size; + /* dirty bitmap used during migration */ + unsigned long *bmap; + /* bitmap of already received pages in postcopy */ + unsigned long *receivedmap; + + /* + * bitmap to track already cleared dirty bitmap. When the bit is + * set, it means the corresponding memory chunk needs a log-clear. + * Set this up to non-NULL to enable the capability to postpone + * and split clearing of dirty bitmap on the remote node (e.g., + * KVM). The bitmap will be set only when doing global sync. + * + * NOTE: this bitmap is different comparing to the other bitmaps + * in that one bit can represent multiple guest pages (which is + * decided by the `clear_bmap_shift' variable below). On + * destination side, this should always be NULL, and the variable + * `clear_bmap_shift' is meaningless. + */ + unsigned long *clear_bmap; + uint8_t clear_bmap_shift; +}; +#endif +#endif --=20 2.24.1