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Wed, 25 Mar 2026 21:01:52 +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 Subject: [PATCH v1 02/24] s390/vfio-ap: Store queue hardware info when probed Date: Wed, 25 Mar 2026 17:00:49 -0400 Message-ID: <20260325210149.888028-3-akrowiak@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260325210149.888028-1-akrowiak@linux.ibm.com> References: <20260325210149.888028-1-akrowiak@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: K0QSp4cxrXHlOQssTz1J4kJOw6Om22h8 X-Authority-Analysis: v=2.4 cv=aMr9aL9m c=1 sm=1 tr=0 ts=69c44d44 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=TnwwbuCvOpPni-GgRwAA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDE0OSBTYWx0ZWRfX6DNbOsPXoDBo QQDpgpnuPS4NbbFG9IOnWdcsBAQCgOMyxt4J2fmLV9q/YTb/7qy0HRo7VVZ05dVufBML5Xjm7i2 jCM5UDPNktVRSSSKjW2wdz4SvBvbKUgUqpX3RMNc9/XnTiaVifohRzUuAWKxkho0c7efMaS/7CX lvqvzC9stfeRvS4/gP2IbZjOgfiF8WbquIE8AEDbSBZbrm2aEt18K1VlcVgQ8KpN4ai5DIL1YrY ArwNk1cT/jYhqe3r7xbO6N0cxGuomGHIKJ1RlN2VHnbMQUAEBF/WXv7UnUUOlURyMal4FVH5mbf EnXOx77IJ7I2EoPki7SfHYo04E5ljuYa84J2citKh39/VJmHl5vlZqjShexGvTuuKI3s72k8D+x 0MjkEBZKb/jF35fUj+ppcq3e4mySSL38EhZ6cZFU7U1B9/nZQVoCAUlwrv1rli5C97+K/RdtA/G U7y5ivGP+UPOnCf4Eyw== X-Proofpoint-GUID: K0QSp4cxrXHlOQssTz1J4kJOw6Om22h8 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=2026-03-25_05,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 malwarescore=0 suspectscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250149 Content-Type: text/plain; charset="utf-8" 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_a= p_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; =20 ret =3D 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; } =20 - q->apqn =3D to_ap_queue(&apdev->device)->qid; + ap_queue =3D to_ap_queue(&apdev->device); + q->apqn =3D ap_queue->qid; q->saved_isc =3D 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 =3D get_update_locks_by_apqn(q->apqn); diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vf= io_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; }; =20 int vfio_ap_mdev_register(void); --=20 2.52.0