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{ "id": 2220444, "url": "http://patchwork.ozlabs.org/api/1.1/covers/2220444/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260407-uid_slot-v7-0-e50f7976124e@linux.ibm.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260407-uid_slot-v7-0-e50f7976124e@linux.ibm.com>", "date": "2026-04-07T10:12:32", "name": "[v7,0/2] PCI: s390: Expose the UID as an arch specific PCI slot attribute", "submitter": { "id": 78856, "url": "http://patchwork.ozlabs.org/api/1.1/people/78856/?format=api", "name": "Niklas Schnelle", "email": "schnelle@linux.ibm.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260407-uid_slot-v7-0-e50f7976124e@linux.ibm.com/mbox/", "series": [ { "id": 498954, "url": "http://patchwork.ozlabs.org/api/1.1/series/498954/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=498954", "date": "2026-04-07T10:12:32", "name": "PCI: s390: Expose the UID as an arch specific PCI slot attribute", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/498954/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2220444/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-52020-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=ng2GJWFs;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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d=ibm.com; h=cc\n\t:content-transfer-encoding:content-type:date:from:message-id\n\t:mime-version:subject:to; s=pp1; bh=xTGtqdgffUwPNDG0eIqe82vPJHv+\n\tsVwRqcemU78j4bM=; b=ng2GJWFstj3w5X/6RwOXXPUvL5bZvBPgBoVbtN2FcUZU\n\tumt+hkm9w/OvXtZzo2NE+uz4Y9DEJjxm0qndkAukTM4VPaiBHC9foAzcvACzUdSK\n\tYBPKphH4TQuNjTT+5y9Mc4CbApwMWI3w+jvXN05SiQMBWkx5LcIeUYE2UqJOMHvU\n\tsTiH7xCalGX+NW/oG44AyDbIhAHbYWEG0pW4/DkqykXu4OgAxP7p303Tc9KBRjfJ\n\tyA2WZxdlAKvd2wCQmEBDHGvZ4YfLAf5PTvaw+CEMW8FCeEWTvsxvWSvbmEpL0zDb\n\tqu2Td/Z3/ld+7PqWE8dbsC+IxVaMPaHFKUbrkeig6w==", "From": "Niklas Schnelle <schnelle@linux.ibm.com>", "Subject": "[PATCH v7 0/2] PCI: s390: Expose the UID as an arch specific PCI\n slot attribute", "Date": "Tue, 07 Apr 2026 12:12:32 +0200", "Message-Id": "<20260407-uid_slot-v7-0-e50f7976124e@linux.ibm.com>", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-B4-Tracking": "v=1; b=H4sIAJDY1GkC/23Q3YrDIBAF4FcpXq9l1BmNvdr3WJaiRrdCmyxJG\n 1pK3n1N2R/p5kYY8Ttn8M7GOOQ4st3mzoY45TH3XRnMy4aFg+s+Is9tmZkESWCl4pfc7sdjf+Z\n REdmQKDgFrDz/HGLK10fU23uZD3k898PtkTyJ5XYlZBJccGVIBmdCapx6Pebuct1mf9qG/rTkf\n iN8QmBdBEzYBDJPaGmf5G+jAGgqLAuOScpQDmNQrGFVYUEVVgUjqsY2loLwfg3jH5bCVBgLXv4\n serLeabuG6QdrQBAVpmVto0DpYNAnvYZ1jWWFNQfeUnTgBLat/9c8z/MXOELn/goCAAA=", "X-Change-ID": "20250923-uid_slot-e3559cf5ca30", "To": "Bjorn Helgaas <bhelgaas@google.com>, Jonathan Corbet <corbet@lwn.net>,\n Lukas Wunner <lukas@wunner.de>, Shuah Khan <skhan@linuxfoundation.org>", "Cc": "Farhan Ali <alifm@linux.ibm.com>,\n Alexander Gordeev <agordeev@linux.ibm.com>,\n Christian Borntraeger <borntraeger@linux.ibm.com>,\n Gerald Schaefer <gerald.schaefer@linux.ibm.com>,\n Gerd Bayer <gbayer@linux.ibm.com>, Heiko Carstens <hca@linux.ibm.com>,\n Julian Ruess <julianr@linux.ibm.com>,\n Matthew Rosato <mjrosato@linux.ibm.com>,\n Peter Oberparleiter <oberpar@linux.ibm.com>,\n Ramesh Errabolu <ramesh@linux.ibm.com>,\n Sven Schnelle <svens@linux.ibm.com>,\n Vasily Gorbik <gor@linux.ibm.com>,\n linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-pci@vger.kernel.org, linux-s390@vger.kernel.org,\n Niklas Schnelle <schnelle@linux.ibm.com>,\n Randy Dunlap <rdunlap@infradead.org>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1636;\n i=schnelle@linux.ibm.com; h=from:subject:message-id;\n bh=xMPDe5yarCr8rtAtA/og41ZgZ1Wq8HJO0LpEXG4QDQk=;\n b=owGbwMvMwCX2Wz534YHOJ2GMp9WSGDKv3Ji1ZEKm6p7ntZ91nkUe+nbVy6P3Z5Fh6RP2S4szL\n SMEc7JCO0pZGMS4GGTFFFkWdTn7rSuYYronqL8DZg4rE8gQBi5OAZjIdUZGht+PF+neme8WVi0o\n OSUtgrMrSO2PSb5V7rbVZz7f2lCzhZeR4V+s19Zp0+ZWbJmwyie25SnLt1YD+ffx72PrLTeL9XT\n MZgAA", "X-Developer-Key": "i=schnelle@linux.ibm.com; a=openpgp;\n fpr=9DB000B2D2752030A5F72DDCAFE43F15E8C26090", "X-TM-AS-GCONF": "00", "X-Proofpoint-Reinject": "loops=2 maxloops=12", "X-Authority-Analysis": "v=2.4 cv=FKArAeos c=1 sm=1 tr=0 ts=69d4d8a7 cx=c_pps\n a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17\n a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VwQbUJbxAAAA:8\n a=VnNF1IyMAAAA:8 a=jVLf_0g3wJiVkyeFp14A:9 a=QEXdDO2ut3YA:10", "X-Proofpoint-ORIG-GUID": "O-ORLQeHeb-ymCG8d7KvfqnZyOf8627S", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDA3MDA5MCBTYWx0ZWRfX5ViD6Bs3ZpSU\n eCbuOFYjPm5sYwVyIkjSos4bh8EqQH5M1f3GCuGaZ1Hl4JYs7Dl+/K81nm+ezbfPVX/Yj1YjaCq\n FR5tzDMXByjsu4YCzpc17x89+IhLlZI8OUr0FSKT+4Itxvx/4mQA4WZP+tm0z7n7UD9yTmrySkK\n d+fZe8CWpstwhGoWCAXyAcQihnDXwdI0y6ZwKCgYhsdWnPHeD4OGNDgdlec1VF89Ko5wa4CpFR/\n mSdwMQcNTwdqCKLfbzd3tWwV9O3Svg3/CK9ozIy6xJP0G1ZHFkh4ROndKapGyl6V42mn2/ahA1R\n kQi8yEqjTt0qyLFgJMOdSxZcVgyARk5eRD0iMq6v9n8XOHIXRXNOnhnE6PfGwToalxW+oK1rP23\n kiBiAQRbLMzf+osGdcMap9X4frq1RfjVl6i3+jMYelOV6dMvN2F59qBWCdhRTTTqHZc0wm530DQ\n It6Kn1yyQINxnb004CQ==", "X-Proofpoint-GUID": "cKHMFh9Ch_c3p7P_QksklsyN6_383IQM", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-07_02,2026-04-07_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n malwarescore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 bulkscore=0\n suspectscore=0 priorityscore=1501 impostorscore=0 spamscore=0 phishscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070090" }, "content": "Hi all,\n\nAdd a mechanism for architecture specific attributes on\nPCI slots in order to add the user-defined ID (UID) as an s390 specific\nPCI slot attribute. First though improve some issues with the s390 specific\ndocumentation of PCI sysfs attributes noticed during development. \n\nAlso note, I considered adding the UID as a generic slot index attribute\nanalogous to the PCI device index attribute (SMBIOS index / s390 UID)\nbut decided against it as this seems rather s390 specific and having\nit named UID makes things easier for users and aligns with the existing\nseparate uid device attribute.\n\nThanks,\nNiklas\n\nv6->v7:\n- Incorporate doc suggestions from Randy Dunlap\n- Add R-b, T-b and A-b\n- Rebase on v7.0-rc7\n- Link to v6: https://lore.kernel.org/r/20260402-uid_slot-v6-0-d5ea0a14ddb9@linux.ibm.com\nv5->v6:\n- Add documentation cleanup patch before adding new slot attribute\n- Link to v5: https://lore.kernel.org/r/20260401-uid_slot-v5-1-e73036c74bf6@linux.ibm.com\n\nSigned-off-by: Niklas Schnelle <schnelle@linux.ibm.com>\n---\n---\n\n---\nNiklas Schnelle (2):\n docs: s390/pci: Improve and update PCI documentation\n PCI: s390: Expose the UID as an arch specific PCI slot attribute\n\n Documentation/arch/s390/pci.rst | 151 +++++++++++++++++++++++++++-------------\n arch/s390/include/asm/pci.h | 4 ++\n arch/s390/pci/pci_sysfs.c | 20 ++++++\n drivers/pci/slot.c | 13 +++-\n 4 files changed, 140 insertions(+), 48 deletions(-)\n---\nbase-commit: 591cd656a1bf5ea94a222af5ef2ee76df029c1d2\nchange-id: 20250923-uid_slot-e3559cf5ca30\n\nBest regards," }