Message ID | 20231109164427.460493-3-akrowiak@linux.ibm.com |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel-owner@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b129:0:b0:403:3b70:6f57 with SMTP id q9csp563924vqs; Thu, 9 Nov 2023 08:47:55 -0800 (PST) X-Google-Smtp-Source: AGHT+IGRYDc71MVyBxfwpPt9ZG4o19AXwPkb8ZW5op0vlcInbvOtNf6uzl0NsCC8yFCuPey9q1Cf X-Received: by 2002:a17:902:b418:b0:1cc:ec22:5a40 with SMTP id x24-20020a170902b41800b001ccec225a40mr1828312plr.26.1699548475663; Thu, 09 Nov 2023 08:47:55 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1699548475; cv=none; d=google.com; s=arc-20160816; b=Fj1R2YvQxw2B+qR5LOQ/4ggIIW+6fq/akmaLMtcNSywjemNt/T3UrnN/kyVmThj6OG oXJiD6him2VJUm6UFwBgm+IgxCQjZlIevO31v8d8IbNB3uPTTFodv6t9daPmJPFDFmHB sDzqIZLuATHvP7H93TXBdO4yrkHvnHvyv0Qy660aZdp1OYXCc3Te2Kg06XLbhR7fisJg 2e/dT2GEW8kajzmL8fp+fTUfIWw9sVaO0C6u/iq6QcyCq0QbLhdEtMSqr8VteA7onaVj QWyq73zeExMfFPCjZG1EiIK0uwiAG21vmfbabrpBP1qJSrgWtS4SqWruvztQdCfi+8oA pBLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=+EpOuQfInHbEJvdxDuaqHuhXP08YQJRjuL00fRbmA0E=; fh=rV7258VTWPSbAR0sK2pMLldlggdc3QhXIP/uVKbk6vI=; b=Y2KYYn6WTVmRzXIYZGzsFpAxIanEzUqemV8fSVKAxEr6Rru/J836Vc79s2VMFHh/+C Olg/9RoCY8SEoCWOXS2o0PDYHDuzlj1S8Z4mDicag64GyPbcE9qfTKzoiNHZ3QF6WqNC dGSU7Q6N8eutJIdT2tDIj3PRVd4xsqyZopUtPF1xD/hdNYgi40TJb13y3sAkIGiqOWoJ HxLk7jTAyaAPCW9vZCe323g+LK+PdgJTya4habtzgN5XXXxcmrzl3K0lHXXx/lzK+n/I 6XtnkJgI77eL83xVpN1kXIwuxR2o1N6xnQc6Ih78iiKaRqbx+caUMjk7AgvVSye31ejY uqFg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=ciNyRMfz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=NONE dis=NONE) header.from=ibm.com Received: from agentk.vger.email (agentk.vger.email. [2620:137:e000::3:2]) by mx.google.com with ESMTPS id l12-20020a170903120c00b001b9f55d28a2si5659323plh.205.2023.11.09.08.47.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Nov 2023 08:47:55 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=ciNyRMfz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=NONE dis=NONE) header.from=ibm.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 7D202801BB5C; Thu, 9 Nov 2023 08:46:59 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344837AbjKIQqW (ORCPT <rfc822;lhua1029@gmail.com> + 31 others); Thu, 9 Nov 2023 11:46:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235172AbjKIQpw (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Thu, 9 Nov 2023 11:45:52 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 548E646A3; Thu, 9 Nov 2023 08:45:08 -0800 (PST) Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A9GgNhl026895; Thu, 9 Nov 2023 16:45:08 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=+EpOuQfInHbEJvdxDuaqHuhXP08YQJRjuL00fRbmA0E=; b=ciNyRMfzNWmpb6FS67GB6/FbGXWhJHdGXApllhAPcx820jaLH1YijIFUVPBqCkC5cBCk 2JLct8s9+BTx4/7TIGyOaGU8fPUsmliWfoitwyR+RNRpTbbSgmIHwqbPkhq96Uv6vM6v cCVdOggwOvr/rzFsljaCyhOS5L7kPNtfjtg6CfsdOm1e0U/Kb8MHBV6rdd2RIe7sSXx4 u+CdqWexgbcAu1nJjq+CFi49X6NWmEXVZzWW4hQf9uPmosKQAeQPyoOZZc36QJql55Cp XAL/cvVnBMyiqoPXUuSCUgP3IxJ0gW584ZBCmxYs6RTh7HRGeVu+v6amhEVJvGQ4BAfc Iw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3u936783wf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Nov 2023 16:45:07 +0000 Received: from m0353727.ppops.net (m0353727.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3A9Ggex6027435; Thu, 9 Nov 2023 16:45:00 GMT Received: from ppma21.wdc07v.mail.ibm.com (5b.69.3da9.ip4.static.sl-reverse.com [169.61.105.91]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3u936783vf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Nov 2023 16:45:00 +0000 Received: from pps.filterd (ppma21.wdc07v.mail.ibm.com [127.0.0.1]) by ppma21.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3A9ESBsV000667; Thu, 9 Nov 2023 16:44:59 GMT Received: from smtprelay07.wdc07v.mail.ibm.com ([172.16.1.74]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3u7w2351pd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Nov 2023 16:44:59 +0000 Received: from smtpav05.dal12v.mail.ibm.com (smtpav05.dal12v.mail.ibm.com [10.241.53.104]) by smtprelay07.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3A9Giwxi18678442 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 9 Nov 2023 16:44:58 GMT Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 17D4158065; Thu, 9 Nov 2023 16:44:58 +0000 (GMT) Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8B2715805D; Thu, 9 Nov 2023 16:44:50 +0000 (GMT) Received: from li-2c1e724c-2c76-11b2-a85c-ae42eaf3cb3d.ibm.com.com (unknown [9.61.74.193]) by smtpav05.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 9 Nov 2023 16:44:49 +0000 (GMT) From: Tony Krowiak <akrowiak@linux.ibm.com> To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: jjherne@linux.ibm.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, david@redhat.com, Anthony Krowiak <akrowiak@linux.ibm.com>, Harald Freudenberger <freude@linux.ibm.com> Subject: [PATCH v3 2/3] s390/vfio-ap: set status response code to 06 on gisc registration failure Date: Thu, 9 Nov 2023 11:44:21 -0500 Message-ID: <20231109164427.460493-3-akrowiak@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231109164427.460493-1-akrowiak@linux.ibm.com> References: <20231109164427.460493-1-akrowiak@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: wWIYxg1GivBg2FdOSLH41TO4ox4wffPI X-Proofpoint-ORIG-GUID: kdASUf4BX-yP1q27xfaVezqnTp9xrG9L X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-09_14,2023-11-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=999 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311090127 Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 09 Nov 2023 08:46:59 -0800 (PST) X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782105742331693849 X-GMAIL-MSGID: 1782105742331693849 |
Series |
s390/vfio-ap: a couple of corrections to the IRQ enablement function
|
|
Commit Message
Anthony Krowiak
Nov. 9, 2023, 4:44 p.m. UTC
From: Anthony Krowiak <akrowiak@linux.ibm.com> The interception handler for the PQAP(AQIC) command calls the kvm_s390_gisc_register function to register the guest ISC with the channel subsystem. If that call fails, the status response code 08 - indicating Invalid ZONE/GISA designation - is returned to the guest. This response code is not valid because setting the ZONE/GISA values is the responsibility of the hypervisor controlling the guest and there is nothing that can be done from the guest perspective to correct that problem. The likelihood of GISC registration failure is nil and there is no status response code to indicate an invalid ISC value, so let's set the response code to 06 indicating 'Invalid address of AP-queue notification byte'. While this is not entirely accurate, it is better than setting a response code which makes no sense for the guest. Signed-off-by: Anthony Krowiak <akrowiak@linux.ibm.com> Suggested-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> --- drivers/s390/crypto/vfio_ap_ops.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 9cb28978c186..25d7ce2094f8 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -393,8 +393,8 @@ static int ensure_nib_shared(unsigned long addr, struct gmap *gmap) * Register the guest ISC to GIB interface and retrieve the * host ISC to issue the host side PQAP/AQIC * - * Response.status may be set to AP_RESPONSE_INVALID_ADDRESS in case the - * vfio_pin_pages failed. + * status.response_code may be set to AP_RESPONSE_INVALID_ADDRESS in case the + * vfio_pin_pages or kvm_s390_gisc_register failed. * * Otherwise return the ap_queue_status returned by the ap_aqic(), * all retry handling will be done by the guest. @@ -458,7 +458,7 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q, __func__, nisc, isc, q->apqn); vfio_unpin_pages(&q->matrix_mdev->vdev, nib, 1); - status.response_code = AP_RESPONSE_INVALID_GISA; + status.response_code = AP_RESPONSE_INVALID_ADDRESS; return status; }