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Tue, 7 Jan 2025 18:43:57 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2D31058058; Tue, 7 Jan 2025 18:43:57 +0000 (GMT) Received: from localhost.localdomain (unknown [9.12.78.174]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 7 Jan 2025 18:43:57 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=hsK87puey5ZsU88h7 Bk+wH/XIJLvmKDRVo6nYsUfE40=; b=eFD2i2IrcBQA04xdjcLoqSqBtRz2p1BPY 01Fg5sJqy1FJ/4JeQ92olW/Fda60LEV1kgmJPII7FZOlA0XPezwJtSWy/69JkZ1N pAqAQLneo2HQppS2W6P3UhM4GMQONwc+Ip7l7ipKBbiVfQ6payIDtc/ZemBdEM9x bkSt5Q5S/mk0hxPwZtAax97m84qHge16HgfDA1DVYVHySzcvTzejndvL8Z/qh5SD zN4ZUAG4bjoYnyyHkCCtUQz6qOqdArS+v4wFx7HRRBB2aqrKARFSghP8EMjgMvVs ucHUSwIWMneaMKHv939NAZKOzgnbWbKcr3XLBVWVtcQ8uYQ0u9OOQ== From: Rorie Reyes To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org Cc: pbonzini@redhat.com, cohuck@redhat.com, pasic@linux.ibm.com, jjherne@linux.ibm.com, borntraeger@linux.ibm.com, alex.williamson@redhat.com, clg@redhat.com, thuth@redhat.com, akrowiak@linux.ibm.com Subject: [PATCH v1 3/5] hw/vfio/ap: store object indicating AP config changed in a queue Date: Tue, 7 Jan 2025 13:43:52 -0500 Message-Id: <20250107184354.91079-4-rreyes@linux.ibm.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20250107184354.91079-1-rreyes@linux.ibm.com> References: <20250107184354.91079-1-rreyes@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 9N03YNcJAsFvGCAdWPQMvuUi0B2LYzgZ X-Proofpoint-GUID: 9N03YNcJAsFvGCAdWPQMvuUi0B2LYzgZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 suspectscore=0 phishscore=0 clxscore=1011 adultscore=0 bulkscore=0 impostorscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501070153 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Creates an object indicating that an AP configuration change event has been received and stores it in a queue. These objects will later be used to store event information for an AP configuration change when the CHSC instruction is intercepted. Signed-off-by: Rorie Reyes Reviewed-by: Anthony Krowiak Tested-by: Anthony Krowiak --- hw/vfio/ap.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c index 533cadb2dd..508c6eed7a 100644 --- a/hw/vfio/ap.c +++ b/hw/vfio/ap.c @@ -41,6 +41,13 @@ struct VFIOAPDevice { EventNotifier cfg_notifier; }; =20 +typedef struct APConfigChgEvent { + QTAILQ_ENTRY(APConfigChgEvent) next; +} APConfigChgEvent; + +QTAILQ_HEAD(, APConfigChgEvent) cfg_chg_events =3D + QTAILQ_HEAD_INITIALIZER(cfg_chg_events); + OBJECT_DECLARE_SIMPLE_TYPE(VFIOAPDevice, VFIO_AP_DEVICE) =20 static void vfio_ap_compute_needs_reset(VFIODevice *vdev) @@ -76,6 +83,9 @@ static void vfio_ap_cfg_chg_notifier_handler(void *opaque) { VFIOAPDevice *vapdev =3D opaque; =20 + APConfigChgEvent *new_event =3D g_new0(APConfigChgEvent, 1); + + QTAILQ_INSERT_TAIL(&cfg_chg_events, new_event, next); if (!event_notifier_test_and_clear(&vapdev->cfg_notifier)) { warn_report("Event notifier not initialized"); return; --=20 2.39.5 (Apple Git-154)