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Tue, 30 Jun 2026 16:55:54 +0000 (GMT) Received: from IBM-D32RQW3.ibm.com (unknown [9.61.250.12]) by smtpav03.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 30 Jun 2026 16:55:54 +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 v20 0/3] [VFIO] Error recovery for vfio-pci devices on s390x Date: Tue, 30 Jun 2026 09:55:50 -0700 Message-ID: <20260630165553.725-1-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=RYqgzVtv c=1 sm=1 tr=0 ts=6a43f51e cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=r1p2_3pzAAAA:8 a=q0gwpn0l6oMsUSZbeGEA:9 a=r_pkcD-q9-ctt7trBg_g:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjMwMDE2MCBTYWx0ZWRfX4jJ0YJ4fsI4d hn4pqiNxWw7IkYWP9zfod8OqkKuXEnZMRcQE68KH2d2EYa9ci6p/dBGXN9x5UG6tVtO1zEDdBrw G/cRbJcW8T6KRbl+grYb5EULHAS3dC8= X-Proofpoint-GUID: _UVhvDw22nHGGHMuodkXtZgmjp8CWuWk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjMwMDE2MCBTYWx0ZWRfX54ii8vXjapmB chduY4zyCN/nWm31mOodKQnCekpn8seUSMQLiOkzajHDrnwS9Q7q0BglNHMYIZe/RJbZRnLUAMH LPUNfLJky9egftg4PCsAEjMz4SPfZK9/2lSLmfb/W0eTTlHIx5o+WedKgcz2RaKpWo/kejnqIEH CQAJfrQ8qmsvzHLmjtE3Q4F2RuxuCnUGmGVRUJm0ujDA26Wvj4BgMggI9My4Ng57CNMN7n+8Odo VPK8diAh6prhSuAvXIB51s+BrKcd9TEc/axnJ7RwcGnXYaaVtYRbu9ckZ6Dc0UyQGq1DHOeHpEP UMTvzAxlDg1Nc7F8Fdnj8N6zc2BjMxIVF7kNdLRcPiBp4J6aopT5tdPgqkc8Jl7jXK7uda5ZIje BpiDKHlVnMRtEP9Z56As2NPDtL4P2V0R76XcB6KfXdkZl9jM3Wx+W5+ZpP51y3GglgZiR/cKPxl rYM+7r0bsCqEfLWl+iA== X-Proofpoint-ORIG-GUID: _UVhvDw22nHGGHMuodkXtZgmjp8CWuWk 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=2026-06-30_04,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606300160 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 --------- v19 https://lore.kernel.org/all/20260615183616.2902-1-alifm@linux.ibm.com/ v19 -> v20 - Change device feature uapi to pass the error data as opaque to userspace (patch 2). - Rebase on 7.2-rc1 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 | 63 ++++++++++++-- include/uapi/linux/vfio.h | 23 +++++ include/uapi/linux/vfio_zdev.h | 2 + 9 files changed, 216 insertions(+), 64 deletions(-) -- 2.43.0