From patchwork Wed Jun 10 05:32:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11597073 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0BD111391 for ; Wed, 10 Jun 2020 05:52:50 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D36602074B for ; Wed, 10 Jun 2020 05:52:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="V58kPkY3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D36602074B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:43740 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jitfN-0001Kg-2I for patchwork-qemu-devel@patchwork.kernel.org; Wed, 10 Jun 2020 01:52:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42634) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jitMQ-0005Fh-Uk for qemu-devel@nongnu.org; Wed, 10 Jun 2020 01:33:15 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:42754 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jitMD-0003rh-0C for qemu-devel@nongnu.org; Wed, 10 Jun 2020 01:33:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591767179; 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=LN21TAO75aQBfGc7iA5pi/tk6JhwKVCIzDphOzDmXH0=; b=V58kPkY338+sN8Pf2dBHMnL/yv+aGCn6AxSte90SyG8d0H8fkkIM9ZDnwD7qc+3Z5aauyS DfIVMbGiShhC2SCYHZ5tm2vvQZO4WjqG8g6NSl5aJjqAI+2RpIgDBHjOOe18taGAi56z3Q FrvAFrX7oC5bqpljh8qTqeI5K8TJ2A8= 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-337-hvWqDWCTMPynpv7uKB7zDA-1; Wed, 10 Jun 2020 01:32:57 -0400 X-MC-Unique: hvWqDWCTMPynpv7uKB7zDA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E0993107ACCD for ; Wed, 10 Jun 2020 05:32:56 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-121.ams2.redhat.com [10.36.112.121]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B25A57BFEA; Wed, 10 Jun 2020 05:32:56 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id C696B1138482; Wed, 10 Jun 2020 07:32:48 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH RESEND v3 44/58] sysbus: New sysbus_realize(), sysbus_realize_and_unref() Date: Wed, 10 Jun 2020 07:32:33 +0200 Message-Id: <20200610053247.1583243-45-armbru@redhat.com> In-Reply-To: <20200610053247.1583243-1-armbru@redhat.com> References: <20200610053247.1583243-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/09 21:17:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Sysbus devices almost always plug into the main system bus. qdev_create() even has a convenience feature to make that easy: a null bus argument gets replaced by the main system bus. qdev_realize() and qdev_realize_and_unref() do the same. We can do better. Provide convenience wrappers around qdev_realize() and qdev_realize_and_unref() that don't take a @bus argument. They always pass the main system bus. Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Paolo Bonzini --- include/hw/sysbus.h | 4 +++- hw/core/sysbus.c | 14 ++++++++++++-- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index c4a1c0adfa..606095ba35 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -90,6 +90,9 @@ void sysbus_add_io(SysBusDevice *dev, hwaddr addr, MemoryRegion *mem); MemoryRegion *sysbus_address_space(SysBusDevice *dev); +bool sysbus_realize(SysBusDevice *dev, Error **errp); +bool sysbus_realize_and_unref(SysBusDevice *dev, Error **errp); + /** * sysbus_init_child_obj: * @parent: The parent object @@ -121,5 +124,4 @@ static inline DeviceState *sysbus_create_simple(const char *name, return sysbus_create_varargs(name, addr, irq, NULL); } - #endif /* HW_SYSBUS_H */ diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index e8d08d349b..68b837ac85 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -217,7 +217,7 @@ void sysbus_init_ioports(SysBusDevice *dev, uint32_t ioport, uint32_t size) * from being set to NULL to break the normal init/realize * of some devices. */ -static void sysbus_realize(DeviceState *dev, Error **errp) +static void sysbus_device_realize(DeviceState *dev, Error **errp) { } @@ -250,6 +250,16 @@ DeviceState *sysbus_create_varargs(const char *name, return dev; } +bool sysbus_realize(SysBusDevice *dev, Error **errp) +{ + return qdev_realize(DEVICE(dev), sysbus_get_default(), errp); +} + +bool sysbus_realize_and_unref(SysBusDevice *dev, Error **errp) +{ + return qdev_realize_and_unref(DEVICE(dev), sysbus_get_default(), errp); +} + static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent) { SysBusDevice *s = SYS_BUS_DEVICE(dev); @@ -301,7 +311,7 @@ MemoryRegion *sysbus_address_space(SysBusDevice *dev) static void sysbus_device_class_init(ObjectClass *klass, void *data) { DeviceClass *k = DEVICE_CLASS(klass); - k->realize = sysbus_realize; + k->realize = sysbus_device_realize; k->bus_type = TYPE_SYSTEM_BUS; /* * device_add plugs devices into a suitable bus. For "real" buses,