From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 809BD37F729; Mon, 15 Jun 2026 18:36:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781548587; cv=none; b=s5WJNiknfaIFbspb9NB8FpNauWcNlgz5hIcUmusncHESApNJ8T/BE7mjlu6YIbYbSV1LQB/ceoONUX/tKdu8veKZt+eK7XowItOkMv8jYd9927HrnHHDRCATuZN0mmEJVwLW55AdvlqvE1BlEkYd2XZB8h7mWHbPvQKDc9shJZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781548587; c=relaxed/simple; bh=BSW4qaXO1LZiVJ7hfdo/2N6CGKvHbCzKy6jXM/v6o4M=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lojffYGiHHSGOycdHfRMKDmTAhFKs4GZit5yDusXeFULxcF2kHQ3njcU1ZrFxj5m7eLSNpXsJBNNR/gJWJfMR4Ba/7YOIi/IzB62FJ7+IViChSqn2dfIK4tIopNUaxOSc7gZLBDy48/sgsROhUDaHiTHTBWIw3NiJ7snr03Eovk= 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=TN6FZ00i; arc=none smtp.client-ip=148.163.156.1 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="TN6FZ00i" Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 65FFmNwj2841516; Mon, 15 Jun 2026 18:36:20 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=Mh4Ul/sFGHdJ/zGgIvkt2zh/ooRPBofwUlOBRj0S1 /M=; b=TN6FZ00i6b/os6WIIvoGaSVgiDo9T4blhCo++GHs/Gj1AdHrkDdZ2SH1b /e7H7fTBYGF2D6P9CP7SzKteNFrPhviIDo9/CI01PGu0YSiJKWcXZK04F63btIO9 yWWAxYvtsVU0UCC3mYBMK3aeY6MpqRldUsiHC2Dqic9JO5RU3G3/kpC65asn/WmM fvi57oT6ceaZ4DIGv9iIm7T0m3yveGirkzKTY6e/lM5yNCBUcgkV0gg+UvNBYqZI 1o+1lRsAexQ0kyf99fg8+8E3LgC56bleb5Lvf5X4gyVqAIbP263yaJZWEKmmchYA obGKj6BbWRhf1x2LU3QcZKtRwJ14w== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4es23nj1tx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 Jun 2026 18:36:20 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 65FIYZc3014732; Mon, 15 Jun 2026 18:36:19 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([172.16.1.73]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4eskrg7nya-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 15 Jun 2026 18:36:19 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 65FIaInN24707682 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jun 2026 18:36:18 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1AE7D5805E; Mon, 15 Jun 2026 18:36:18 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 52B7058043; Mon, 15 Jun 2026 18:36:17 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.253.186]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jun 2026 18:36:17 +0000 (GMT) From: Farhan Ali To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Cc: helgaas@kernel.org, alex@shazbot.org, alifm@linux.ibm.com, schnelle@linux.ibm.com, mjrosato@linux.ibm.com Subject: [PATCH v19 0/3] [VFIO] Error recovery for vfio-pci devices on s390x Date: Mon, 15 Jun 2026 11:36:13 -0700 Message-ID: <20260615183616.2902-1-alifm@linux.ibm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-s390@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=XtnK/1F9 c=1 sm=1 tr=0 ts=6a304624 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=r1p2_3pzAAAA:8 a=q0gwpn0l6oMsUSZbeGEA:9 a=r_pkcD-q9-ctt7trBg_g:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDE5NCBTYWx0ZWRfX9sOIjbEQiFys /QQzHp/Xr4Uj0WN+ZKm8J0FxgeMMSLKWxwuz7/EZ+sjL405jzNSRrhdya7qFohr5SHA8zp9vZBV LbXmm/HMKBMoyqZfBw0+Y4oJoDuva9SI7w0F9hZNhD3+SUGU03+VrWztb9LCqfJW5Y7FjYUT/Po nN8gikVrOaB6ef+PzQFM6O0CNQ1OPZedJi7CfAm9nEXsF+BYFWJC4FX4qKkJkyqUzwxm3ma06su HwfDdhx2OJw4Z75rPJMnKePggF27Pvbj6EXnanBKR4Hs2bumc81Y8OD2DEAIgEkPbXWlgqvMva6 p2UeDwGTtdwa21tikMPxeEmrN1ggOh9EoIdlPJq52Fj3At6sxyzKx+dmyPFHWbO25NFeFmB/DoL YyCf6B83KPULuwHATjsdlq7t/LAtoOfbLYHK7kz9CmToH3D5OdYkcX90xOs5Tcopa15kNlkhZ8z YkCmJfjcMnULtkk5X+g== X-Proofpoint-GUID: ObKRDHSwYAoQ-ttL1EmA4oRFpfBIaE7F X-Proofpoint-ORIG-GUID: ObKRDHSwYAoQ-ttL1EmA4oRFpfBIaE7F X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDE5NCBTYWx0ZWRfX+sDQvSDUbQVt CRNpUWxzlNMvlpZZCMzlfrT/1Bw2MTKatMxpUQONdZs8X7TYVpml7rxCcioh9lIFvmgJXQMRn9L jkExV1D+REOuxgLhWOtSSkNQPU1y/Kk= 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=2026-06-15_04,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 malwarescore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150194 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 --------- v18 https://lore.kernel.org/all/20260603182415.2324-1-alifm@linux.ibm.com/ v18 -> v19 - Fix hole in struct vfio_device_feature_zpci_err. - Remove reset_done() callback for vfio-pci driver. - Rebase on 7.1-rc7 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 (3): s390/pci: Store PCI error information for passthrough devices vfio-pci/zdev: Add a device feature for error information 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 | 137 +++++++++++++++++++----------- drivers/vfio/pci/vfio_pci_core.c | 10 +-- 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, 221 insertions(+), 62 deletions(-) -- 2.43.0