From mboxrd@z Thu Jan 1 00:00:00 1970 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 34437C433FE for ; Fri, 4 Feb 2022 21:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243360AbiBDVQd (ORCPT ); Fri, 4 Feb 2022 16:16:33 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52064 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241582AbiBDVQI (ORCPT ); Fri, 4 Feb 2022 16:16:08 -0500 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 214HpnUl010449; Fri, 4 Feb 2022 21:16:08 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=QfeB28pJr8D7CfHJ69dZVIPLPRYRUPBbGl8sdkItch4=; b=DH6Pitngv6peuTyHVXnXe6CGLB7bYMqjRQNm7YpV/hXOjv92yKK9r9/c2rAMFAyG4SHH AbPbh2hXjUAksZIErUGfK0HyDrY9syuZJeIEQNgmd7bz9Iso9OaAJosmswzOWYvC/RBq aSiyX2fTQR4NGv8h67WE/mEOR23H4N+fIRtab+4PYqfrKXHEksHLws1Z7FISCRdbu4MV R6KhhhgQR05xldJpfhNhJdKUzi/b1SbUBCIcD82nVE6L0Y9z/IezMe3tfEfMFrYk26PK YO4KoZyf8PfN9PHOVgrPOSMIIJ/5w3vz/8guDmLHx4xmV8K/XVfCkCh6PpHpkLGAau5i Cw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3e109f6wn1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 21:16:08 +0000 Received: from m0098413.ppops.net (m0098413.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 214L8B4O012836; Fri, 4 Feb 2022 21:16:07 GMT Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0b-001b2d01.pphosted.com with ESMTP id 3e109f6wmu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 21:16:07 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 214LCfEN011934; Fri, 4 Feb 2022 21:16:07 GMT Received: from b03cxnp08025.gho.boulder.ibm.com (b03cxnp08025.gho.boulder.ibm.com [9.17.130.17]) by ppma05wdc.us.ibm.com with ESMTP id 3e0r0m2wc4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Feb 2022 21:16:07 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 214LG5vf18678160 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 4 Feb 2022 21:16:05 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B65F6136063; Fri, 4 Feb 2022 21:16:05 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D739C136055; Fri, 4 Feb 2022 21:16:03 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.82.52]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 4 Feb 2022 21:16:03 +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 v3 11/30] s390/pci: add helper function to find device by handle Date: Fri, 4 Feb 2022 16:15:17 -0500 Message-Id: <20220204211536.321475-12-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220204211536.321475-1-mjrosato@linux.ibm.com> References: <20220204211536.321475-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 7oHTsjnQX8Fxf40J73cpYANDkVLjmfjC X-Proofpoint-ORIG-GUID: LI3PZL3S4wrlGDonn-RvloY9zYQ3Ocut 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=2022-02-04_07,2022-02-03_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=849 clxscore=1015 phishscore=0 impostorscore=0 malwarescore=0 mlxscore=0 adultscore=0 priorityscore=1501 spamscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202040117 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Intercepted zPCI instructions will specify the desired function via a function handle. Add a routine to find the device with the specified handle. Acked-by: Niklas Schnelle Reviewed-by: Christian Borntraeger Reviewed-by: Eric Farman Reviewed-by: Pierre Morel Signed-off-by: Matthew Rosato --- arch/s390/include/asm/pci.h | 1 + arch/s390/pci/pci.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 7ee52a70a96f..3c0b9986dcdc 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -275,6 +275,7 @@ static inline struct zpci_dev *to_zpci_dev(struct device *dev) } struct zpci_dev *get_zdev_by_fid(u32); +struct zpci_dev *get_zdev_by_fh(u32 fh); /* DMA */ int zpci_dma_init(void); diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index ca9c29386de6..04c16312ad54 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -76,6 +76,22 @@ struct zpci_dev *get_zdev_by_fid(u32 fid) return zdev; } +struct zpci_dev *get_zdev_by_fh(u32 fh) +{ + struct zpci_dev *tmp, *zdev = NULL; + + spin_lock(&zpci_list_lock); + list_for_each_entry(tmp, &zpci_list, entry) { + if (tmp->fh == fh) { + zdev = tmp; + break; + } + } + spin_unlock(&zpci_list_lock); + return zdev; +} +EXPORT_SYMBOL_GPL(get_zdev_by_fh); + void zpci_remove_reserved_devices(void) { struct zpci_dev *tmp, *zdev; -- 2.27.0