From patchwork Tue Jun 14 18:57:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Borntraeger X-Patchwork-Id: 9176611 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 779A760868 for ; Tue, 14 Jun 2016 18:58:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 609BA2793B for ; Tue, 14 Jun 2016 18:58:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 559052824A; Tue, 14 Jun 2016 18:58:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD9032793D for ; Tue, 14 Jun 2016 18:58:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932803AbcFNS6i (ORCPT ); Tue, 14 Jun 2016 14:58:38 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:53639 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752781AbcFNS5T (ORCPT ); Tue, 14 Jun 2016 14:57:19 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5EIsTLu007819 for ; Tue, 14 Jun 2016 14:57:19 -0400 Received: from e06smtp16.uk.ibm.com (e06smtp16.uk.ibm.com [195.75.94.112]) by mx0a-001b2d01.pphosted.com with ESMTP id 23je2kdekk-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 14 Jun 2016 14:57:19 -0400 Received: from localhost by e06smtp16.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 14 Jun 2016 19:57:15 +0100 X-IBM-Helo: d06dlp01.portsmouth.uk.ibm.com X-IBM-MailFrom: borntraeger@de.ibm.com X-IBM-RcptTo: kvm@vger.kernel.org;linux-s390@vger.kernel.org Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id 2297E17D8066; Tue, 14 Jun 2016 19:58:28 +0100 (BST) Received: from d06av06.portsmouth.uk.ibm.com (d06av06.portsmouth.uk.ibm.com [9.149.37.217]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u5EIvEow7340298; Tue, 14 Jun 2016 18:57:14 GMT Received: from d06av06.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u5EIvEt6002142; Tue, 14 Jun 2016 14:57:14 -0400 Received: from tuxmaker.boeblingen.de.ibm.com (tuxmaker.boeblingen.de.ibm.com [9.152.85.9]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u5EIvEs8002126 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 14 Jun 2016 14:57:14 -0400 Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651) id 20B3D20F511; Tue, 14 Jun 2016 20:57:14 +0200 (CEST) From: Christian Borntraeger To: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Cc: KVM , Cornelia Huck , linux-s390 , Christian Borntraeger Subject: [GIT PULL 39/52] KVM: s390: fixup I/O interrupt traces Date: Tue, 14 Jun 2016 20:57:16 +0200 X-Mailer: git-send-email 2.5.5 In-Reply-To: <1465930649-181383-1-git-send-email-borntraeger@de.ibm.com> References: <1465930649-181383-1-git-send-email-borntraeger@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16061418-0024-0000-0000-0000021A6B71 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16061418-0025-0000-0000-0000190392A6 Message-Id: <1465930649-181383-40-git-send-email-borntraeger@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-06-14_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606140206 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We currently have two issues with the I/O interrupt injection logging: 1. All QEMU versions up to 2.6 have a wrong encoding of device numbers etc for the I/O interrupt type, so the inject VM_EVENT will have wrong data. Let's fix this by using the interrupt parameters and not the interrupt type number. 2. We only log in kvm_s390_inject_vm, but not when coming from kvm_s390_reinject_io_int or from flic. Let's move the logging to the common __inject_io function. We also enhance the logging for delivery to match the data. Signed-off-by: Christian Borntraeger Acked-by: Cornelia Huck --- arch/s390/kvm/interrupt.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 5a80af7..d72c4a8 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -28,9 +28,6 @@ #include "gaccess.h" #include "trace-s390.h" -#define IOINT_SCHID_MASK 0x0000ffff -#define IOINT_SSID_MASK 0x00030000 -#define IOINT_CSSID_MASK 0x03fc0000 #define PFAULT_INIT 0x0600 #define PFAULT_DONE 0x0680 #define VIRTIO_PARAM 0x0d00 @@ -821,7 +818,14 @@ static int __must_check __deliver_io(struct kvm_vcpu *vcpu, struct kvm_s390_interrupt_info, list); if (inti) { - VCPU_EVENT(vcpu, 4, "deliver: I/O 0x%llx", inti->type); + if (inti->type & KVM_S390_INT_IO_AI_MASK) + VCPU_EVENT(vcpu, 4, "%s", "deliver: I/O (AI)"); + else + VCPU_EVENT(vcpu, 4, "deliver: I/O %x ss %x schid %04x", + inti->io.subchannel_id >> 8, + inti->io.subchannel_id >> 1 & 0x3, + inti->io.subchannel_nr); + vcpu->stat.deliver_io_int++; trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type, @@ -1415,6 +1419,13 @@ static int __inject_io(struct kvm *kvm, struct kvm_s390_interrupt_info *inti) } fi->counters[FIRQ_CNTR_IO] += 1; + if (inti->type & KVM_S390_INT_IO_AI_MASK) + VM_EVENT(kvm, 4, "%s", "inject: I/O (AI)"); + else + VM_EVENT(kvm, 4, "inject: I/O %x ss %x schid %04x", + inti->io.subchannel_id >> 8, + inti->io.subchannel_id >> 1 & 0x3, + inti->io.subchannel_nr); isc = int_word_to_isc(inti->io.io_int_word); list = &fi->lists[FIRQ_LIST_IO_ISC_0 + isc]; list_add_tail(&inti->list, list); @@ -1531,13 +1542,6 @@ int kvm_s390_inject_vm(struct kvm *kvm, inti->mchk.mcic = s390int->parm64; break; case KVM_S390_INT_IO_MIN...KVM_S390_INT_IO_MAX: - if (inti->type & KVM_S390_INT_IO_AI_MASK) - VM_EVENT(kvm, 5, "%s", "inject: I/O (AI)"); - else - VM_EVENT(kvm, 5, "inject: I/O css %x ss %x schid %04x", - s390int->type & IOINT_CSSID_MASK, - s390int->type & IOINT_SSID_MASK, - s390int->type & IOINT_SCHID_MASK); inti->io.subchannel_id = s390int->parm >> 16; inti->io.subchannel_nr = s390int->parm & 0x0000ffffu; inti->io.io_int_parm = s390int->parm64 >> 32;