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Tsirkin" , Jason Wang , Alex Williamson , Cedric Le Goater , Gerd Hoffmann , Marc-Andre Lureau , David Hildenbrand , Steve Sistare Subject: [PATCH V2 07/11] migration: per-mode notifiers Date: Fri, 12 Jan 2024 07:05:06 -0800 Message-Id: <1705071910-174321-8-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1705071910-174321-1-git-send-email-steven.sistare@oracle.com> References: <1705071910-174321-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-12_06,2024-01-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401120117 X-Proofpoint-ORIG-GUID: SyPPH6oddiM04ulfJ3kT494d4luHkYmg X-Proofpoint-GUID: SyPPH6oddiM04ulfJ3kT494d4luHkYmg 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=205.220.165.32; envelope-from=steven.sistare@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @oracle.com) X-ZM-MESSAGEID: 1705072293127100002 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Keep a separate list of migration notifiers for each migration mode. Suggested-by: Peter Xu Signed-off-by: Steve Sistare --- include/migration/misc.h | 2 ++ migration/migration.c | 22 +++++++++++++++++----- 2 files changed, 19 insertions(+), 5 deletions(-) diff --git a/include/migration/misc.h b/include/migration/misc.h index 8eeb9d5..e79694f 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -70,6 +70,8 @@ typedef int (*MigrationNotifyFunc)(NotifierWithReturn *no= tify, =20 void migration_add_notifier(NotifierWithReturn *notify, MigrationNotifyFunc func); +void migration_add_notifier_mode(NotifierWithReturn *notify, + MigrationNotifyFunc func, MigMode mode); void migration_remove_notifier(NotifierWithReturn *notify); void migration_call_notifiers(MigrationState *s); bool migration_in_setup(MigrationState *); diff --git a/migration/migration.c b/migration/migration.c index 33288bc..e9914aa 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -68,8 +68,13 @@ #include "sysemu/dirtylimit.h" #include "qemu/sockets.h" =20 -static NotifierWithReturnList migration_state_notifiers =3D - NOTIFIER_WITH_RETURN_LIST_INITIALIZER(migration_state_notifiers); +#define NOTIFIER_ELEM_INIT(array, elem) \ + [elem] =3D NOTIFIER_WITH_RETURN_LIST_INITIALIZER((array)[elem]) + +static NotifierWithReturnList migration_state_notifiers[] =3D { + NOTIFIER_ELEM_INIT(migration_state_notifiers, MIG_MODE_NORMAL), + NOTIFIER_ELEM_INIT(migration_state_notifiers, MIG_MODE_CPR_REBOOT), +}; =20 /* Messages sent on the return path from destination to source */ enum mig_rp_message_type { @@ -1424,11 +1429,17 @@ static void migrate_fd_cancel(MigrationState *s) } } =20 +void migration_add_notifier_mode(NotifierWithReturn *notify, + MigrationNotifyFunc func, MigMode mode) +{ + notify->notify =3D (NotifierWithReturnFunc)func; + notifier_with_return_list_add(&migration_state_notifiers[mode], notify= ); +} + void migration_add_notifier(NotifierWithReturn *notify, MigrationNotifyFunc func) { - notify->notify =3D (NotifierWithReturnFunc)func; - notifier_with_return_list_add(&migration_state_notifiers, notify); + migration_add_notifier_mode(notify, func, MIG_MODE_NORMAL); } =20 void migration_remove_notifier(NotifierWithReturn *notify) @@ -1441,10 +1452,11 @@ void migration_remove_notifier(NotifierWithReturn *= notify) =20 void migration_call_notifiers(MigrationState *s) { + MigMode mode =3D s->parameters.mode; MigrationEvent e; =20 e.state =3D s->state; - notifier_with_return_list_notify(&migration_state_notifiers, &e, 0); + notifier_with_return_list_notify(&migration_state_notifiers[mode], &e,= 0); } =20 bool migration_in_setup(MigrationState *s) --=20 1.8.3.1