From nobody Mon Feb 9 13:24:38 2026 Delivered-To: importer@patchew.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=oracle.com ARC-Seal: i=1; a=rsa-sha256; t=1610571367; cv=none; d=zohomail.com; s=zohoarc; b=UgdV2BpLYJU/5ckMn7oOEktdGS2LcjQJj2Wg7l6MxrsjOzcUdZDnPP+BQ7vo0tmAxXg1kam55kxbXhDCe5Sls8tCcnV7bDpgqUONjIMTD4hBpV+uzknDPgyNgx0Z1/1puDznYoIOlUjuRjDe2j02q4CqkZQEbFohpAvMzUAV+QM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610571367; 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=6jA3XQ/tkRrersep6iNVezzmWRdEKZpHeC1Qb+W516c=; b=jGhR4+X0oqTU9hQOvq2WpD6mZf71Jzv1KYzkvxw3HSuKdNsmyW6sh3RpkZPR4PUJCUpEm/AWWlxlLoJ6kFQUIEXpP1buCAs53f5dSewMHNycgquALLa43SLsw+y3CZRy2S4GKItlBv2Hk2WgeGkVj8mGmDMMHwme7pAYJ2rFVIM= 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 1610571367760793.4371174419967; Wed, 13 Jan 2021 12:56:07 -0800 (PST) Received: from localhost ([::1]:47100 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kznBW-0007eP-EO for importer@patchew.org; Wed, 13 Jan 2021 15:56:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58238) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzn9f-0005ua-GZ for qemu-devel@nongnu.org; Wed, 13 Jan 2021 15:54:11 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:38220) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzn9b-0000dA-53 for qemu-devel@nongnu.org; Wed, 13 Jan 2021 15:54:11 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10DKrkh4077279; Wed, 13 Jan 2021 20:53:58 GMT Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2130.oracle.com with ESMTP id 360kg1whgd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Jan 2021 20:53:58 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10DKjfMJ187209; Wed, 13 Jan 2021 20:53:58 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3020.oracle.com with ESMTP id 360ke9192a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Jan 2021 20:53:58 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 10DKrvGS022131; Wed, 13 Jan 2021 20:53:57 GMT Received: from jaraman-bur-1.us.oracle.com (/10.152.33.39) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 13 Jan 2021 12:53:57 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=6jA3XQ/tkRrersep6iNVezzmWRdEKZpHeC1Qb+W516c=; b=RC9ak+v5C2X06in+Z39YA6UuYftyTV9Bp4vlxqg/dT/BZMhxBsR6GLKLXdj1613Hrg9R HIZFpaQeDWcXD9UjTJd9hMHaZ6xtyMmEBcrC3rJWwbJn1LulGKBBOUpSoEUji8x+hocj A8pzjEbjM4y45c15rJAnBw07ixDkFcerCs8Lc+QiUOwVEzl1FYLO2rHs9ItbcjonuMqQ y5eqcLVkN2zUICGJ+85RHxzhx781whbY49HJQw+eeDdm65lrs6dnViHFRE4PLylzsz4x Nf16TibOQYA2DtqXHEGFQrytVfzZNdYOmn2mwFoweN2EU37wcUgvSQvErp+BWdl5exl1 Fg== From: Jagannathan Raman To: qemu-devel@nongnu.org Subject: [PATCH v18 06/20] multi-process: setup a machine object for remote device process Date: Wed, 13 Jan 2021 15:53:25 -0500 Message-Id: <442dd452a6e94c03fb14945b655ced2c58b11600.1610570756.git.jag.raman@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130126 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9863 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101130127 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; Received-SPF: pass client-ip=141.146.126.79; envelope-from=jag.raman@oracle.com; helo=aserp2130.oracle.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no 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: elena.ufimtseva@oracle.com, fam@euphon.net, swapnil.ingle@nutanix.com, john.g.johnson@oracle.com, kraxel@redhat.com, jag.raman@oracle.com, quintela@redhat.com, mst@redhat.com, armbru@redhat.com, kanth.ghatraju@oracle.com, felipe@nutanix.com, thuth@redhat.com, ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com, alex.williamson@redhat.com, stefanha@redhat.com, thanos.makatos@nutanix.com, kwolf@redhat.com, berrange@redhat.com, mreitz@redhat.com, ross.lagerwall@citrix.com, marcandre.lureau@gmail.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) x-remote-machine object sets up various subsystems of the remote device process. Instantiate PCI host bridge object and initialize RAM, IO & PCI memory regions. Signed-off-by: John G Johnson Signed-off-by: Jagannathan Raman Signed-off-by: Elena Ufimtseva Reviewed-by: Stefan Hajnoczi --- include/hw/pci-host/remote.h | 1 + include/hw/remote/machine.h | 27 +++++++++++++++++ hw/remote/machine.c | 70 ++++++++++++++++++++++++++++++++++++++++= ++++ MAINTAINERS | 2 ++ hw/meson.build | 1 + hw/remote/meson.build | 5 ++++ 6 files changed, 106 insertions(+) create mode 100644 include/hw/remote/machine.h create mode 100644 hw/remote/machine.c create mode 100644 hw/remote/meson.build diff --git a/include/hw/pci-host/remote.h b/include/hw/pci-host/remote.h index 06b8a83..3dcf6aa 100644 --- a/include/hw/pci-host/remote.h +++ b/include/hw/pci-host/remote.h @@ -24,6 +24,7 @@ struct RemotePCIHost { =20 MemoryRegion *mr_pci_mem; MemoryRegion *mr_sys_io; + MemoryRegion *mr_sys_mem; }; =20 #endif diff --git a/include/hw/remote/machine.h b/include/hw/remote/machine.h new file mode 100644 index 0000000..bdfbca4 --- /dev/null +++ b/include/hw/remote/machine.h @@ -0,0 +1,27 @@ +/* + * Remote machine configuration + * + * Copyright =C2=A9 2018, 2021 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef REMOTE_MACHINE_H +#define REMOTE_MACHINE_H + +#include "qom/object.h" +#include "hw/boards.h" +#include "hw/pci-host/remote.h" + +struct RemoteMachineState { + MachineState parent_obj; + + RemotePCIHost *host; +}; + +#define TYPE_REMOTE_MACHINE "x-remote-machine" +OBJECT_DECLARE_SIMPLE_TYPE(RemoteMachineState, REMOTE_MACHINE) + +#endif diff --git a/hw/remote/machine.c b/hw/remote/machine.c new file mode 100644 index 0000000..9519a6c --- /dev/null +++ b/hw/remote/machine.c @@ -0,0 +1,70 @@ +/* + * Machine for remote device + * + * This machine type is used by the remote device process in multi-process + * QEMU. QEMU device models depend on parent busses, interrupt controller= s, + * memory regions, etc. The remote machine type offers this environment so + * that QEMU device models can be used as remote devices. + * + * Copyright =C2=A9 2018, 2021 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" + +#include "hw/remote/machine.h" +#include "exec/address-spaces.h" +#include "exec/memory.h" +#include "qapi/error.h" + +static void remote_machine_init(MachineState *machine) +{ + MemoryRegion *system_memory, *system_io, *pci_memory; + RemoteMachineState *s =3D REMOTE_MACHINE(machine); + RemotePCIHost *rem_host; + + system_memory =3D get_system_memory(); + system_io =3D get_system_io(); + + pci_memory =3D g_new(MemoryRegion, 1); + memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); + + rem_host =3D REMOTE_PCIHOST(qdev_new(TYPE_REMOTE_PCIHOST)); + + rem_host->mr_pci_mem =3D pci_memory; + rem_host->mr_sys_mem =3D system_memory; + rem_host->mr_sys_io =3D system_io; + + s->host =3D rem_host; + + object_property_add_child(OBJECT(s), "remote-pcihost", OBJECT(rem_host= )); + memory_region_add_subregion_overlap(system_memory, 0x0, pci_memory, -1= ); + + qdev_realize(DEVICE(rem_host), sysbus_get_default(), &error_fatal); +} + +static void remote_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc =3D MACHINE_CLASS(oc); + + mc->init =3D remote_machine_init; + mc->desc =3D "Experimental remote machine"; +} + +static const TypeInfo remote_machine =3D { + .name =3D TYPE_REMOTE_MACHINE, + .parent =3D TYPE_MACHINE, + .instance_size =3D sizeof(RemoteMachineState), + .class_init =3D remote_machine_class_init, +}; + +static void remote_machine_register_types(void) +{ + type_register_static(&remote_machine); +} + +type_init(remote_machine_register_types); diff --git a/MAINTAINERS b/MAINTAINERS index 45b999a..09aea01 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3189,6 +3189,8 @@ F: docs/devel/multi-process.rst F: docs/multi-process.rst F: hw/pci-host/remote.c F: include/hw/pci-host/remote.h +F: hw/remote/machine.c +F: include/hw/remote/machine.h =20 Build and test automation ------------------------- diff --git a/hw/meson.build b/hw/meson.build index 010de72..e615d72 100644 --- a/hw/meson.build +++ b/hw/meson.build @@ -56,6 +56,7 @@ subdir('moxie') subdir('nios2') subdir('openrisc') subdir('ppc') +subdir('remote') subdir('riscv') subdir('rx') subdir('s390x') diff --git a/hw/remote/meson.build b/hw/remote/meson.build new file mode 100644 index 0000000..197b038 --- /dev/null +++ b/hw/remote/meson.build @@ -0,0 +1,5 @@ +remote_ss =3D ss.source_set() + +remote_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('machine.c')) + +softmmu_ss.add_all(when: 'CONFIG_MULTIPROCESS', if_true: remote_ss) --=20 1.8.3.1