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Fri, 23 May 2025 16:03:41 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 484BF58051; Fri, 23 May 2025 16:03:40 +0000 (GMT) Received: from MacBookPro.ibm.com (unknown [9.61.240.236]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 23 May 2025 16:03:40 +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=FoieamDphR6BVN3AY Knz1tn0I6TeyjhiF6BeTGsmbaM=; b=VxZjs3QnnCm1bc4whoEnS0lsKY2rwEgIX xhagU7CB3BOFUzp4OCrs4cnsOs+dpO7fmZMqcq5au9I+g/lxaDheqyEdR8axFh3h qFpziYufWxkIYVBX1ddapw9B/eeiHTjxkApOwh19GoDv1mJzJRJxuncUWIoTwczC /4zX0wQFTg5J/WDRv6JWmg7rcCwwCduLEKvBcmZFn/gIzK/FWMy+k6MRd9diNnWq CUNPDHUWEipd46uo6u6C4zaILWZg/2XovuCjJtipWuqAJz6m9OkmVpEe30A45rAe ZXXPlneXFyxG9Pe/uYofpJSoLGtdMEmooRwK8TIhRFz5tQSJkM4Rg== 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, rreyes@linux.ibm.com Subject: [RFC PATCH v11 2/4] hw/vfio/ap: store object indicating AP config changed in a queue Date: Fri, 23 May 2025 12:03:36 -0400 Message-ID: <20250523160338.41896-3-rreyes@linux.ibm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250523160338.41896-1-rreyes@linux.ibm.com> References: <20250523160338.41896-1-rreyes@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: hNNheqgr2PENIihr-ertB-VIOeGY3k3r X-Authority-Analysis: v=2.4 cv=O6Y5vA9W c=1 sm=1 tr=0 ts=68309c5f cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=dt9VzEwgFbYA:10 a=VnNF1IyMAAAA:8 a=n_lu--N5RhutrOJcQFMA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIzMDE0NSBTYWx0ZWRfXwW6BMtRVtKVo jGlQ1yWGS3QOsHDzgcnk+hBH6DhgvKQgUsDvCUKoeaCo4u0q/PcSEqeI3GmYEplI0xCEL+Ejf+N rnX1k76P9V3uA1eHSVjiljcWu8YErWTiX7+qpIHvEHfE7xp4UOcxIgcCgSYj6kmCNFdEMd/q0EX ajcO4vGdBqnqP7WyVl3Q+4ciHm5SUs0EjQxGT1VaQG0LdxWwy6mfsdws3eBULjlgGSTHM6Ev2Nn zdC8wUzNKCjBTCZnBAYU0oTgNqdGWNGz3UesmcnyYCD9qIZZI+9UEJxCdcwRh0GAVAa7N4NXwDR DREqkJYIES4fHlvHVBoVqMPfBh/49i7//ANO67DZveHp5z4peDAqUkdnIaLjHMBh/EfSSzEj7h9 GhAXrxuuCoc62D8zi/UK0r3sVIZGhFLW5JfCBEk3g1O+UlnSVCsfrhRJwLOyH6cwERL+SATS X-Proofpoint-ORIG-GUID: hNNheqgr2PENIihr-ertB-VIOeGY3k3r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-23_05,2025-05-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 suspectscore=0 adultscore=0 spamscore=0 mlxlogscore=999 phishscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505230145 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=rreyes@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1748016320674116600 Content-Type: text/plain; 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 --- hw/vfio/ap.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c index 93c74ebedb..fc435f5c5b 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; + +static 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) @@ -74,12 +81,17 @@ static void vfio_ap_req_notifier_handler(void *opaque) =20 static void vfio_ap_cfg_chg_notifier_handler(void *opaque) { + APConfigChgEvent *cfg_chg_event; VFIOAPDevice *vapdev =3D opaque; =20 if (!event_notifier_test_and_clear(&vapdev->cfg_notifier)) { return; } =20 + cfg_chg_event =3D g_new0(APConfigChgEvent, 1); + + QTAILQ_INSERT_TAIL(&cfg_chg_events, cfg_chg_event, next); + css_generate_css_crws(0); =20 } --=20 2.48.1