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GET /api/1.0/patches/2197366/?format=api
{ "id": 2197366, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197366/?format=api", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.0/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": "<20260217182257.1582-9-alifm@linux.ibm.com>", "date": "2026-02-17T18:22:56", "name": "[v9,8/9] vfio: Add a reset_done callback for vfio-pci driver", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7315297e95d4cb932fd136822eb3210b6072f91e", "submitter": { "id": 73785, "url": "http://patchwork.ozlabs.org/api/1.0/people/73785/?format=api", "name": "Farhan Ali", "email": "alifm@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260217182257.1582-9-alifm@linux.ibm.com/mbox/", "series": [ { "id": 492470, "url": "http://patchwork.ozlabs.org/api/1.0/series/492470/?format=api", "date": "2026-02-17T18:22:49", "name": "Error recovery for vfio-pci devices on s390x", "version": 9, "mbox": "http://patchwork.ozlabs.org/series/492470/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197366/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-pci+bounces-47495-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=FrBmF62C;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; 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c=relaxed/relaxed; d=ibm.com; h=cc\n\t:content-transfer-encoding:date:from:in-reply-to:message-id\n\t:mime-version:references:subject:to; s=pp1; bh=S6CRg4XI/HP2JPfFX\n\tQTrwNGbnRuOd4l4vQum+Ps0JjY=; b=FrBmF62CB101CuwF3ZRsEfLWsiEE/c+q7\n\ttGydGOmbCI2e245jIti2SP1LJarxknd82U+f83/HZjx7s0BKMVbFvZW2jgtpVZ8h\n\tfhaFGjZGZK/z+ThOmE4W7N29B76Px8i0i3hpQKYSRgDLh++GaPH2/5SNsEe4+aFj\n\tLBjX2Dl5KmDHmiqgY40OSZ37a0x8ZDFmjdsNyrebqWVkMxFdLCsOTbV2+7gb6vDc\n\tZfRi84VBOFOcB8rCn5lq+GKhstSa82/Iq5laEAqiL62sdB+9sVy0QJlE5KoO07qc\n\tcuEI70jK5CYKlzpKwD+x88fJ37ADljMYnwULzvG6HTfXh5YKD9/SA==", "From": "Farhan Ali <alifm@linux.ibm.com>", "To": "linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-pci@vger.kernel.org", "Cc": "helgaas@kernel.org, lukas@wunner.de, alex@shazbot.org, clg@redhat.com,\n stable@vger.kernel.org, alifm@linux.ibm.com, schnelle@linux.ibm.com,\n mjrosato@linux.ibm.com, Julian Ruess <julianr@linux.ibm.com>", "Subject": "[PATCH v9 8/9] vfio: Add a reset_done callback for vfio-pci driver", "Date": "Tue, 17 Feb 2026 10:22:56 -0800", "Message-ID": "<20260217182257.1582-9-alifm@linux.ibm.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260217182257.1582-1-alifm@linux.ibm.com>", "References": "<20260217182257.1582-1-alifm@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-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-ORIG-GUID": "j_l0QhMQFpkKMYN00hmld6xWk-H_OX4l", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjE3MDE0OCBTYWx0ZWRfX19Tn4qheoodh\n J0vcIMgIhaGVcZ3zMf9iLvUiYFZiIKHa46OHYpthocIF2w6xpfIB/zGtFdDi9vqEO27Bc8k/EEl\n iBp8fexaTSsqDa+H/zFAJVO4fl94bT8hafNh/2JpcVLQExHSI5GBbpdKL4pEm0h2nZEfU3deP59\n +IWmk7CAnlCs4cneHZfozqu9bDJmhYo5COGs2hVLaXClHpOjISnmVgzd+V44DT1idnqdUBkg/RY\n TeTdNZY+4wM9WA/Qz6kE1LYiR7k2cVvwul7oWwDhQnpZqGE/ODhgU9UTc6j17hikjzRqh7z9aE3\n Sr2Gheblu0Fwutyo9z+RMpf/k6tpmcBQtsjUa2rL2k7kdwElJFbNCrQenvVp4EVd5/PWEf4UD3d\n X3kzIEihdruqChukVGeAWNWwQJxqLT224k9UMd6HyXOtQ3dxhxhoIRRaDLQ04WXiecmu95Ra+Bu\n IpuJIZVvIYMFv9CvtMg==", "X-Proofpoint-GUID": "j_l0QhMQFpkKMYN00hmld6xWk-H_OX4l", "X-Authority-Analysis": "v=2.4 cv=U+mfzOru c=1 sm=1 tr=0 ts=6994b20d cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22\n a=GgsMoib0sEa3-_RKJdDe:22 a=VnNF1IyMAAAA:8 a=hcTHx3Z5Akp3fEzgVBYA:9", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-02-17_03,2026-02-16_04,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n clxscore=1015 bulkscore=0 impostorscore=0 malwarescore=0 spamscore=0\n adultscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501\n suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2602170148" }, "content": "On error recovery for a PCI device bound to vfio-pci driver, we want to\nrecover the state of the device to its last known saved state. The callback\nrestores the state of the device to its initial saved state.\n\nReviewed-by: Julian Ruess <julianr@linux.ibm.com>\nReviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>\nSigned-off-by: Farhan Ali <alifm@linux.ibm.com>\n---\n drivers/vfio/pci/vfio_pci_core.c | 12 ++++++++++++\n 1 file changed, 12 insertions(+)", "diff": "diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c\nindex d2cb498c026b..8f7eb3636075 100644\n--- a/drivers/vfio/pci/vfio_pci_core.c\n+++ b/drivers/vfio/pci/vfio_pci_core.c\n@@ -2258,6 +2258,17 @@ pci_ers_result_t vfio_pci_core_aer_err_detected(struct pci_dev *pdev,\n }\n EXPORT_SYMBOL_GPL(vfio_pci_core_aer_err_detected);\n \n+static void vfio_pci_core_aer_reset_done(struct pci_dev *pdev)\n+{\n+\tstruct vfio_pci_core_device *vdev = dev_get_drvdata(&pdev->dev);\n+\n+\tif (!vdev->pci_saved_state)\n+\t\treturn;\n+\n+\tpci_load_saved_state(pdev, vdev->pci_saved_state);\n+\tpci_restore_state(pdev);\n+}\n+\n int vfio_pci_core_sriov_configure(struct vfio_pci_core_device *vdev,\n \t\t\t\t int nr_virtfn)\n {\n@@ -2322,6 +2333,7 @@ EXPORT_SYMBOL_GPL(vfio_pci_core_sriov_configure);\n \n const struct pci_error_handlers vfio_pci_core_err_handlers = {\n \t.error_detected = vfio_pci_core_aer_err_detected,\n+\t.reset_done = vfio_pci_core_aer_reset_done,\n };\n EXPORT_SYMBOL_GPL(vfio_pci_core_err_handlers);\n \n", "prefixes": [ "v9", "8/9" ] }