From nobody Mon Feb 9 11:33:07 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=1646589418; cv=none; d=zohomail.com; s=zohoarc; b=XbN82CzM2xr5yvFHPNAoAb77KtR6nY6R3JzR/MDFapvyEA9+ZskIZj93PQH4czZH1Us0fI/ovkMG73kfw8bINvTgfeCj+K/PVrUDDyWOgImcH87I6d9LBiXA/7UWZqRTS2qdFa7qkKPXzEu6ebIwI9oLAh2a835lcGC6bfYWceM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1646589418; 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=82TMzC/AWKJMH1Svivp1CpTkWx/y9x7GpvrYlfSCogs=; b=lpF8cO20IJlh6LuSh8A32fvVdRfNB0fQH4L8X/NMAB9l0VEh+MkOUPf2Feeymtt2R+cOMdk+KRwaxQ/AysAcfgJgQEF3/3EIjxbp4XDSS94TxCmmh0z51wfF7VtYWAlVZe65G5I6cjZ54DbQTwoxEWIkhIzifW+vr4lf4iEJPx8= 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 1646589418948252.6604803324018; Sun, 6 Mar 2022 09:56:58 -0800 (PST) Received: from localhost ([::1]:48456 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQv7p-0006eZ-Nf for importer@patchew.org; Sun, 06 Mar 2022 12:56:57 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59258) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQv2o-0003fq-GU for qemu-devel@nongnu.org; Sun, 06 Mar 2022 12:51:46 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:2358) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQv2m-0003O8-M6 for qemu-devel@nongnu.org; Sun, 06 Mar 2022 12:51:46 -0500 Received: from fraeml737-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KBTfd2Kqbz67Vhh; Mon, 7 Mar 2022 01:51:21 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml737-chm.china.huawei.com (10.206.15.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Sun, 6 Mar 2022 18:51:41 +0100 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_CBC_SHA256) id 15.1.2308.21; Sun, 6 Mar 2022 17:51:40 +0000 To: , , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov , Markus Armbruster CC: , Ben Widawsky , "Peter Maydell" , Shameerali Kolothum Thodi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , "Dan Williams" Subject: [PATCH v7 20/46] hw/cxl/device: Plumb real Label Storage Area (LSA) sizing Date: Sun, 6 Mar 2022 17:41:11 +0000 Message-ID: <20220306174137.5707-21-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220306174137.5707-1-Jonathan.Cameron@huawei.com> References: <20220306174137.5707-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml706-chm.china.huawei.com (10.201.108.55) 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: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 1646589420757100001 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 --- v7: * Moved struct cxl_type3_dev to final location in earlier patch (17) hw/cxl/cxl-mailbox-utils.c | 3 +++ hw/mem/cxl_type3.c | 9 +++++++++ include/hw/cxl/cxl_device.h | 10 ++++++++++ 3 files changed, 22 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index fcd41d9a9d..771b1cfe90 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_DEV_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 16b113d5ed..7cd3041eb3 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -170,10 +170,16 @@ 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_DEV_CLASS(oc); =20 pc->realize =3D ct3_realize; pc->class_id =3D PCI_CLASS_STORAGE_EXPRESS; @@ -185,11 +191,14 @@ 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_DEV, .parent =3D TYPE_PCI_DEVICE, + .class_size =3D sizeof(struct CXLType3Class), .class_init =3D ct3_class_init, .instance_size =3D sizeof(CXLType3Dev), .instance_finalize =3D ct3_finalize, diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index 72da811c52..cf4c110f7e 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -237,6 +237,7 @@ typedef struct cxl_type3_dev { /* Properties */ uint64_t size; HostMemoryBackend *hostmem; + HostMemoryBackend *lsa; =20 /* State */ CXLComponentState cxl_cstate; @@ -246,5 +247,14 @@ typedef struct cxl_type3_dev { #define TYPE_CXL_TYPE3_DEV "cxl-type3" =20 #define CT3(obj) OBJECT_CHECK(CXLType3Dev, (obj), TYPE_CXL_TYPE3_DEV) +OBJECT_DECLARE_TYPE(CXLType3Device, CXLType3Class, CXL_TYPE3_DEV) + +struct CXLType3Class { + /* Private */ + PCIDeviceClass parent_class; + + /* public */ + uint64_t (*get_lsa_size)(CXLType3Dev *ct3d); +}; =20 #endif --=20 2.32.0