From nobody Mon Feb 9 13:22:22 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1651245221; cv=none; d=zohomail.com; s=zohoarc; b=kOFPSEpkCsTyTR2esiT/i8jQ8v9fGaRem1gGyHqLvz4rw7EzSG6txDTIcCZVc6aXQ8V2+q9bDAVyWlyaQukgEXhv1euGDML8MQOaUXaapQd7iXqU1e0Gt0MyDvTisX0XskwnorYMqzCXhVgblCYjMImQcji/5o0U6P0yHiScadM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1651245221; 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:Reply-To:References:Sender:Subject:To; bh=TZwrYKWhDK48Ucdg+MLz9aPU4gZ/A4iAqYLrwDGoUZg=; b=nAww7IwQHnyD9S8EJ3UchjLahu9OL6sKxKhuvedkaZGgLAcGaZz295JtjJS76iVR9nXwLWEEAwZQIU3FS81YRZeh9vI7xjVB2jd/yFGIFCwHo2Iap5cbRbY1z29UMrzohrXIOJdrMnKhLiHvqiNNFcyukM3NuH3jYka+1URzDMU= ARC-Authentication-Results: i=1; mx.zohomail.com; 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=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 165124522118590.80531172932331; Fri, 29 Apr 2022 08:13:41 -0700 (PDT) Received: from localhost ([::1]:43422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkSJQ-0007Tb-6i for importer@patchew.org; Fri, 29 Apr 2022 11:13:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkRy0-00013b-89 for qemu-devel@nongnu.org; Fri, 29 Apr 2022 10:51:33 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:2541) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkRxx-0001Ow-Fa for qemu-devel@nongnu.org; Fri, 29 Apr 2022 10:51:31 -0400 Received: from fraeml701-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Kqb1K4yzxz67QJm; Fri, 29 Apr 2022 22:47:17 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml701-chm.china.huawei.com (10.206.15.50) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2375.24; Fri, 29 Apr 2022 16:51:26 +0200 Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Apr 2022 15:51:25 +0100 To: , , , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov , Markus Armbruster , Mark Cave-Ayland , Adam Manzanares , Tong Zhang CC: , Ben Widawsky , "Peter Maydell" , Shameerali Kolothum Thodi , , Peter Xu , David Hildenbrand , Paolo Bonzini , Saransh Gupta1 , Shreyas Shah , Chris Browy , "Samarth Saxena" , Dan Williams , , , Alison Schofield Subject: [PATCH v10 20/45] hw/cxl/device: Plumb real Label Storage Area (LSA) sizing Date: Fri, 29 Apr 2022 15:40:45 +0100 Message-ID: <20220429144110.25167-21-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220429144110.25167-1-Jonathan.Cameron@huawei.com> References: <20220429144110.25167-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml727-chm.china.huawei.com (10.201.108.78) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected 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=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Jonathan Cameron From: Jonathan Cameron via X-ZM-MESSAGEID: 1651245222061100001 Content-Type: text/plain; charset="utf-8" From: Ben Widawsky This should introduce no change. Subsequent work will make use of this new class member. Signed-off-by: Ben Widawsky Signed-off-by: Jonathan Cameron --- hw/cxl/cxl-mailbox-utils.c | 3 +++ hw/mem/cxl_type3.c | 9 +++++++++ include/hw/cxl/cxl_device.h | 11 ++++++++++- 3 files changed, 22 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index c8188d7087..492739aef3 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -277,6 +277,8 @@ static ret_code cmd_identify_memory_device(struct cxl_c= md *cmd, } QEMU_PACKED *id; QEMU_BUILD_BUG_ON(sizeof(*id) !=3D 0x43); =20 + CXLType3Dev *ct3d =3D container_of(cxl_dstate, CXLType3Dev, cxl_dstate= ); + CXLType3Class *cvc =3D CXL_TYPE3_GET_CLASS(ct3d); uint64_t size =3D cxl_dstate->pmem_size; =20 if (!QEMU_IS_ALIGNED(size, 256 << 20)) { @@ -291,6 +293,7 @@ static ret_code cmd_identify_memory_device(struct cxl_c= md *cmd, =20 id->total_capacity =3D size / (256 << 20); id->persistent_capacity =3D size / (256 << 20); + id->lsa_size =3D cvc->get_lsa_size(ct3d); =20 *len =3D sizeof(*id); return CXL_MBOX_SUCCESS; diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index 318b6f9fbc..b5aa1067df 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -179,10 +179,16 @@ static Property ct3_props[] =3D { DEFINE_PROP_END_OF_LIST(), }; =20 +static uint64_t get_lsa_size(CXLType3Dev *ct3d) +{ + return 0; +} + static void ct3_class_init(ObjectClass *oc, void *data) { DeviceClass *dc =3D DEVICE_CLASS(oc); PCIDeviceClass *pc =3D PCI_DEVICE_CLASS(oc); + CXLType3Class *cvc =3D CXL_TYPE3_CLASS(oc); =20 pc->realize =3D ct3_realize; pc->exit =3D ct3_exit; @@ -195,11 +201,14 @@ static void ct3_class_init(ObjectClass *oc, void *dat= a) dc->desc =3D "CXL PMEM Device (Type 3)"; dc->reset =3D ct3d_reset; device_class_set_props(dc, ct3_props); + + cvc->get_lsa_size =3D get_lsa_size; } =20 static const TypeInfo ct3d_info =3D { .name =3D TYPE_CXL_TYPE3, .parent =3D TYPE_PCI_DEVICE, + .class_size =3D sizeof(struct CXLType3Class), .class_init =3D ct3_class_init, .instance_size =3D sizeof(CXLType3Dev), .interfaces =3D (InterfaceInfo[]) { diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index d8da2c7b68..ea2571a69b 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -236,6 +236,7 @@ struct CXLType3Dev { =20 /* Properties */ HostMemoryBackend *hostmem; + HostMemoryBackend *lsa; =20 /* State */ CXLComponentState cxl_cstate; @@ -243,6 +244,14 @@ struct CXLType3Dev { }; =20 #define TYPE_CXL_TYPE3 "cxl-type3" -OBJECT_DECLARE_SIMPLE_TYPE(CXLType3Dev, CXL_TYPE3) +OBJECT_DECLARE_TYPE(CXLType3Dev, CXLType3Class, CXL_TYPE3) + +struct CXLType3Class { + /* Private */ + PCIDeviceClass parent_class; + + /* public */ + uint64_t (*get_lsa_size)(CXLType3Dev *ct3d); +}; =20 #endif --=20 2.32.0