From patchwork Fri Jan 14 20:31:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Rosato X-Patchwork-Id: 12713967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFF6CC433F5 for ; Fri, 14 Jan 2022 20:32:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244461AbiANUcU (ORCPT ); Fri, 14 Jan 2022 15:32:20 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:29452 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239730AbiANUcR (ORCPT ); Fri, 14 Jan 2022 15:32:17 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 20EJvhuA017397; Fri, 14 Jan 2022 20:32:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=dtQb93k9VlWMuGMoD3W6tJK8xGn4wnk4b2nSVlNIgFc=; b=eP7eK2leN4zgk7FzjJHo9ElrZJgjCs3fADD1v0kMM9IG0/iT4lpIWNx+GUJJB7NnTQJC JlvkGD0l6E/7wQRtOCKrYHmJu9yCXSlHqhCL4UCc17cJnTtGLdeAh8FxZiau79jiiH5b JwL2/R0kZPOUoTJwtTIXFZQ68NTegxwa+dauMgn0FycfE5X29pxPrspXanNEChXc7Hui 34IXjrTRRQeQSp1+i33LwmIFOtLk9pljPuDlEh7EMhFBlkU7UcUzpPqNUO70JYwMtdIm UwRXisfo1aqaOCZBbazcim9sIV71rbaflJ95tT607Mg0WmewbDIbikm/J2gPQ8akQumS 8Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3dkfsvgk9t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 14 Jan 2022 20:32:16 +0000 Received: from m0098410.ppops.net (m0098410.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 20EKDwZd005821; Fri, 14 Jan 2022 20:32:16 GMT Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com with ESMTP id 3dkfsvgk9k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 14 Jan 2022 20:32:16 +0000 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 20EKLnZp020040; Fri, 14 Jan 2022 20:32:15 GMT Received: from b03cxnp08028.gho.boulder.ibm.com (b03cxnp08028.gho.boulder.ibm.com [9.17.130.20]) by ppma03dal.us.ibm.com with ESMTP id 3df28de4v5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 14 Jan 2022 20:32:15 +0000 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 20EKWB2832440732 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 14 Jan 2022 20:32:11 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1852AC605D; Fri, 14 Jan 2022 20:32:11 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5103FC6055; Fri, 14 Jan 2022 20:32:09 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.65.142]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 14 Jan 2022 20:32:09 +0000 (GMT) From: Matthew Rosato To: linux-s390@vger.kernel.org Cc: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com, farman@linux.ibm.com, pmorel@linux.ibm.com, borntraeger@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, vneethv@linux.ibm.com, oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Borntraeger Subject: [PATCH v2 10/30] s390/pci: stash dtsm and maxstbl Date: Fri, 14 Jan 2022 15:31:25 -0500 Message-Id: <20220114203145.242984-11-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220114203145.242984-1-mjrosato@linux.ibm.com> References: <20220114203145.242984-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: RzyLNwbm244n_vNI4zU-Qbk1FVHHAFFv X-Proofpoint-GUID: vHm4e7eVDSdcfhTXN8i7VgBPuinpe7Wz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-14_06,2022-01-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 adultscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201140120 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Store information about what IOAT designation types are supported by underlying hardware as well as the largest store block size allowed. These values will be needed by passthrough. Reviewed-by: Niklas Schnelle Reviewed-by: Pierre Morel Reviewed-by: Christian Borntraeger Signed-off-by: Matthew Rosato --- arch/s390/include/asm/pci.h | 2 ++ arch/s390/include/asm/pci_clp.h | 6 ++++-- arch/s390/pci/pci_clp.c | 2 ++ 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 2474b8d30f2a..1a8f9f42da3a 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -126,9 +126,11 @@ struct zpci_dev { u32 gd; /* GISA designation for passthrough */ u16 vfn; /* virtual function number */ u16 pchid; /* physical channel ID */ + u16 maxstbl; /* Maximum store block size */ u8 pfgid; /* function group ID */ u8 pft; /* pci function type */ u8 port; + u8 dtsm; /* Supported DT mask */ u8 rid_available : 1; u8 has_hp_slot : 1; u8 has_resources : 1; diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h index 3af8d196da74..124fadfb74b9 100644 --- a/arch/s390/include/asm/pci_clp.h +++ b/arch/s390/include/asm/pci_clp.h @@ -153,9 +153,11 @@ struct clp_rsp_query_pci_grp { u8 : 6; u8 frame : 1; u8 refresh : 1; /* TLB refresh mode */ - u16 reserved2; + u16 : 3; + u16 maxstbl : 13; /* Maximum store block size */ u16 mui; - u16 : 16; + u8 dtsm; /* Supported DT mask */ + u8 reserved3; u16 maxfaal; u16 : 4; u16 dnoi : 12; diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index e9ed0e4a5cf0..bc7446566cbc 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -103,6 +103,8 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, zdev->max_msi = response->noi; zdev->fmb_update = response->mui; zdev->version = response->version; + zdev->maxstbl = response->maxstbl; + zdev->dtsm = response->dtsm; switch (response->version) { case 1: