From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E6283F1AA1; Wed, 3 Jun 2026 18:24:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780511066; cv=none; b=KK9iK4Ar/iGt+Q+O1/0kl/v48eDhirzm4UgZYxJ953iahQ/DB9njgEVIIWqnkYUgpzySkRpsQ19G2j3WVcY1ao1NxzSdpH3VrV2EuhUfokzTlx7+k7wJnfaWh70/jyxLd/ZFcPFF/k7TXnjlfldxgNhOST590XxVQoYqD1+24EM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780511066; c=relaxed/simple; bh=TILyMfmxhA8SG3CH/ZdIVVDGZF8milrSPPp0XLuB3jg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BeORyw8lQaBI5l17dSnt4H6kURvgcILZVmzgyY4pniDhihvan7KliUpBt4lekv421503dKcVwSLMIwu9/IeDNuF1VbUhae4wwG0ZVc43Uo9E+Ntc7v08uC42PXdcp3Hgy1mHA03y7YKWe0kCm8YcAbTxHTwsVbadmzdS1zIwm40= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=F7Nc5nkt; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="F7Nc5nkt" Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6537BK8K2012063; Wed, 3 Jun 2026 18:24:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=pp1; bh=A7TOVReiwFntMcowZFeXdNwOzU2aBxEYcJNPjPFW6 JQ=; b=F7Nc5nktIK4z7Qtfom+2GVXrWTweFIQ7v5DAF9N6ZesEqRqMaBGI/KbSS MgFG9CedKNMXukBgv8Gvr/guieSiUvV7xbnsgzdxdEAufvsFSmCrbo6B7q5FQRq3 d1IPqEIRVAadHfaR8+sr9pI260wnurFN56T6Zr4I37R3024FGDxjB24c/H8oYwHc +ftNM2FwSnMPfFI2PsH/GtQjdxBGOLozpghkwl9xsJGOvJHtoNxwsR9UjJYWm3u0 iwCZojnpgbUYkdFIK+jzK3jp9NuzYSGUTRjpqefQRoQ30F79f9eRkCthNPS5WQ8v VkhxmXhSoS+8gaNRwwLjebyz+fE7g== Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4efpaebv9u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 03 Jun 2026 18:24:20 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 653IO7x6018345; Wed, 3 Jun 2026 18:24:20 GMT Received: from smtprelay05.dal12v.mail.ibm.com ([172.16.1.7]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4ega7qhqns-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 03 Jun 2026 18:24:20 +0000 (GMT) Received: from smtpav03.wdc07v.mail.ibm.com (smtpav03.wdc07v.mail.ibm.com [10.39.53.230]) by smtprelay05.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 653IOJFj33292968 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 3 Jun 2026 18:24:19 GMT Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0208958054; Wed, 3 Jun 2026 18:24:19 +0000 (GMT) Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 08ACD5805A; Wed, 3 Jun 2026 18:24:18 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.254.14]) by smtpav03.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 3 Jun 2026 18:24:17 +0000 (GMT) From: Farhan Ali To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, alex@shazbot.org Cc: helgaas@kernel.org, alifm@linux.ibm.com, schnelle@linux.ibm.com, mjrosato@linux.ibm.com Subject: [PATCH v18 0/4] [VFIO] Error recovery for vfio-pci devices on s390x Date: Wed, 3 Jun 2026 11:24:11 -0700 Message-ID: <20260603182415.2324-1-alifm@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Zt3d7d7G c=1 sm=1 tr=0 ts=6a207154 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=r1p2_3pzAAAA:8 a=q0gwpn0l6oMsUSZbeGEA:9 a=r_pkcD-q9-ctt7trBg_g:22 X-Proofpoint-GUID: WJ7NLNs-N1U1_7mt9H0zZIubHEpaHzfj X-Proofpoint-ORIG-GUID: WJ7NLNs-N1U1_7mt9H0zZIubHEpaHzfj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAzMDE3NSBTYWx0ZWRfXyBEkpej/cjYD bbxuy4rWxKJESX8FJsficZVkcmG8lYzHOyUKs8I4+qlVTjI3pqI4SQtDJp7ri2IVPqyR6HnanxK WP5rIgBmPNA/MnxNBYAZvZ1W0AzrQnq0Q9VjdV0eLFCf0qeBgJNFLgZenulcnLz3EkCqTqQeVbq AyOnJvvwJqJlhfiW8Msq1S+Qy2qQVB3nn+TS6drvHv17rD91mKRxqTQveGgW/v69IX3muVjoiFa O97FhqbzKiTnwmesW3L2YJSwMqElU/VO44SKHljpqWsKS7M6xlU1KfMBJm2/Iskpkz52KQWSbpm i3EWENiS2lkVCGlHoj1r6hCZgDrVjMOoHrE9SVORbT/tRmq6rYph/92UTyTermniZsRD/OAspZh yXaYHNw79xYXFkcTmfEc1Dg3lXkbjmLGlz6nx10/bpcSH7jRvi8OJY0CCgc9CeF4Pv0xfMqA6e0 uBK9raYEia0npBtwi7Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-03_05,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606030175 Hi Alex, This patch set includes only the VFIO patches of the original series for error recovery for vfio-pci devices on s390x [1]. Breaking up the patch series into PCI and VFIO only patches to make merging easier based on our discussion [2]. Thanks Farhan [1] https://lore.kernel.org/all/20260520171113.1111-1-alifm@linux.ibm.com/ [2] https://lore.kernel.org/all/20260602163344.1eda12d2@shazbot.org/ ChangeLog --------- v17 -> v18 - Print a warn with dev_warn_ratelimited() for copy_to_user failure. - Rebase on 7.1-rc6. - Break patch series into VFIO patch set. Farhan Ali (4): s390/pci: Store PCI error information for passthrough devices vfio-pci/zdev: Add a device feature for error information vfio/pci: Add a reset_done callback for vfio-pci driver vfio/pci: Remove the pcie check for VFIO_PCI_ERR_IRQ_INDEX arch/s390/include/asm/pci.h | 32 +++++++ arch/s390/pci/pci.c | 1 + arch/s390/pci/pci_event.c | 135 +++++++++++++++++++----------- drivers/vfio/pci/vfio_pci_core.c | 22 +++-- drivers/vfio/pci/vfio_pci_intrs.c | 3 +- drivers/vfio/pci/vfio_pci_priv.h | 9 ++ drivers/vfio/pci/vfio_pci_zdev.c | 61 +++++++++++++- include/uapi/linux/vfio.h | 30 +++++++ 8 files changed, 231 insertions(+), 62 deletions(-) -- 2.43.0