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Tue, 7 Apr 2026 20:51:03 +0000 (GMT) From: Anthony Krowiak To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: jjherne@linux.ibm.com, borntraeger@de.ibm.com, mjrosato@linux.ibm.com, pasic@linux.ibm.com, alex@shazbot.org, kwankhede@nvidia.com, fiuczy@linux.ibm.com, pbonzini@redhat.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, agordeev@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com Subject: [PATCH v2 01/16] s390/vfio-ap: Store queue hardware info when probed Date: Tue, 7 Apr 2026 16:50:17 -0400 Message-ID: <20260407205100.331150-2-akrowiak@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260407205100.331150-1-akrowiak@linux.ibm.com> References: <20260407205100.331150-1-akrowiak@linux.ibm.com> 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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDE4OSBTYWx0ZWRfX7E35VRlAz+cT TdgdwXwu2/jL9dKnYqs3tbFI8IfAKEEGnEEOpfs6bKHrwtxRgF3qSmly3GUayg8wsQFbH8TdUSc 8MY8zc+OAIbcJXuG3d6muiOuGB/Lcu5JeHt4JEPw+M8Zm/3EiC+qRwJ+9WpYE9MKr9C8Af6RHuF 1KEf49fsyWKTuKk6uqd4ESP56Z7/v0P6YAfvvarXtMyc0rmLe7eUWP+FqtmoP3FvAYB3laPIyB3 IGTIL3am51pgRlI9c/Lby16vp2u/NjZNU5EDrSqK0wzWVmcr9VOIAgdZAG2qD79Rqv2l02RaNmz YsqYCcFMd/oIoMgkUXW3TjuS0g0OV6/8THWFHcxoD3oS7/Jq1P1hooCWcrajVMhzC45J72ncJyZ I3SuAjIuvlhuUSCwTGeoiaB8kIjwmVuKiA8L/lzdZj8qvJKgDBd9ttdn6jWF2OfsK9uxuZcRqZc MCum8EfJhLLGlSyN4hA== X-Proofpoint-ORIG-GUID: pEGsCF-a83kucbgSsJ3I-_NJ0wqmCkL5 X-Authority-Analysis: v=2.4 cv=e9k2j6p/ c=1 sm=1 tr=0 ts=69d56e3a cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=TnwwbuCvOpPni-GgRwAA:9 X-Proofpoint-GUID: pEGsCF-a83kucbgSsJ3I-_NJ0wqmCkL5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-07_04,2026-04-07_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070189 Store the output of the PQAP(TAPQ) command with the struct vfio_ap_queue object when a queue device is probed. This data can be retrieved from the object passed to the probe callback. Signed-off-by: Anthony Krowiak --- drivers/s390/crypto/vfio_ap_ops.c | 5 ++++- drivers/s390/crypto/vfio_ap_private.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 44b3a1dcc1b3..ef3101f6865e 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -2419,6 +2419,7 @@ int vfio_ap_mdev_probe_queue(struct ap_device *apdev) struct vfio_ap_queue *q; DECLARE_BITMAP(apm_filtered, AP_DEVICES); struct ap_matrix_mdev *matrix_mdev; + struct ap_queue *ap_queue; ret = sysfs_create_group(&apdev->device.kobj, &vfio_queue_attr_group); if (ret) @@ -2430,8 +2431,10 @@ int vfio_ap_mdev_probe_queue(struct ap_device *apdev) goto err_remove_group; } - q->apqn = to_ap_queue(&apdev->device)->qid; + ap_queue = to_ap_queue(&apdev->device); + q->apqn = ap_queue->qid; q->saved_isc = VFIO_AP_ISC_INVALID; + memcpy(&q->hwinfo, &ap_queue->card->hwinfo, sizeof(q->hwinfo)); memset(&q->reset_status, 0, sizeof(q->reset_status)); INIT_WORK(&q->reset_work, apq_reset_check); matrix_mdev = get_update_locks_by_apqn(q->apqn); diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h index 9bff666b0b35..39c85bab05c3 100644 --- a/drivers/s390/crypto/vfio_ap_private.h +++ b/drivers/s390/crypto/vfio_ap_private.h @@ -150,6 +150,7 @@ struct vfio_ap_queue { struct list_head reset_qnode; struct ap_queue_status reset_status; struct work_struct reset_work; + struct ap_tapq_hwinfo hwinfo; }; int vfio_ap_mdev_register(void); -- 2.52.0