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Tsirkin" , Jason Wang , Alex Williamson , Cedric Le Goater , Gerd Hoffmann , Marc-Andre Lureau , David Hildenbrand , Steve Sistare Subject: [PATCH V4 06/14] migration: MigrationNotifyFunc Date: Thu, 22 Feb 2024 09:28:32 -0800 Message-Id: <1708622920-68779-7-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1708622920-68779-1-git-send-email-steven.sistare@oracle.com> References: <1708622920-68779-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-22_13,2024-02-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 phishscore=0 suspectscore=0 mlxscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402220138 X-Proofpoint-ORIG-GUID: rfk0UvxOKih5dJPhM3PNV8eIT7LA2kpL X-Proofpoint-GUID: rfk0UvxOKih5dJPhM3PNV8eIT7LA2kpL 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=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-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, 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: 1708623072187100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Define MigrationNotifyFunc to improve type safety and simplify migration notifiers. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu Reviewed-by: David Hildenbrand --- hw/net/virtio-net.c | 4 +--- hw/vfio/migration.c | 3 +-- include/migration/misc.h | 5 ++++- migration/migration.c | 4 ++-- net/vhost-vdpa.c | 6 ++---- ui/spice-core.c | 4 +--- 6 files changed, 11 insertions(+), 15 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index e803f98..a3c711b 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3535,10 +3535,8 @@ static void virtio_net_handle_migration_primary(Virt= IONet *n, MigrationEvent *e) } =20 static int virtio_net_migration_state_notifier(NotifierWithReturn *notifie= r, - void *data, Error **errp) + MigrationEvent *e, Error **= errp) { - MigrationEvent *e =3D data; - VirtIONet *n =3D container_of(notifier, VirtIONet, migration_state); virtio_net_handle_migration_primary(n, e); return 0; diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index 869d841..50140ed 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -755,9 +755,8 @@ static void vfio_vmstate_change(void *opaque, bool runn= ing, RunState state) } =20 static int vfio_migration_state_notifier(NotifierWithReturn *notifier, - void *data, Error **errp) + MigrationEvent *e, Error **errp) { - MigrationEvent *e =3D data; VFIOMigration *migration =3D container_of(notifier, VFIOMigration, migration_state); VFIODevice *vbasedev =3D migration->vbasedev; diff --git a/include/migration/misc.h b/include/migration/misc.h index e615000..e36a1f3 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -72,6 +72,9 @@ typedef struct MigrationEvent { MigrationEventType type; } MigrationEvent; =20 +typedef int (*MigrationNotifyFunc)(NotifierWithReturn *notify, + MigrationEvent *e, Error **errp); + /* * Register the notifier @notify to be called when a migration event occurs * for MIG_MODE_NORMAL, as specified by the MigrationEvent passed to @func. @@ -81,7 +84,7 @@ typedef struct MigrationEvent { * - MIG_EVENT_PRECOPY_FAILED */ void migration_add_notifier(NotifierWithReturn *notify, - NotifierWithReturnFunc func); + MigrationNotifyFunc func); =20 void migration_remove_notifier(NotifierWithReturn *notify); void migration_call_notifiers(MigrationState *s, MigrationEventType type); diff --git a/migration/migration.c b/migration/migration.c index 8f7f2d9..33149c4 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1464,9 +1464,9 @@ static void migrate_fd_cancel(MigrationState *s) } =20 void migration_add_notifier(NotifierWithReturn *notify, - NotifierWithReturnFunc func) + MigrationNotifyFunc func) { - notify->notify =3D func; + notify->notify =3D (NotifierWithReturnFunc)func; notifier_with_return_list_add(&migration_state_notifiers, notify); } =20 diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index a29d18a..e6bdb45 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -323,11 +323,9 @@ static void vhost_vdpa_net_log_global_enable(VhostVDPA= State *s, bool enable) } =20 static int vdpa_net_migration_state_notifier(NotifierWithReturn *notifier, - void *data, Error **errp) + MigrationEvent *e, Error **er= rp) { - MigrationEvent *e =3D data; - VhostVDPAState *s =3D container_of(notifier, VhostVDPAState, - migration_state); + VhostVDPAState *s =3D container_of(notifier, VhostVDPAState, migration= _state); =20 if (e->type =3D=3D MIG_EVENT_PRECOPY_SETUP) { vhost_vdpa_net_log_global_enable(s, true); diff --git a/ui/spice-core.c b/ui/spice-core.c index 0a59876..15be640 100644 --- a/ui/spice-core.c +++ b/ui/spice-core.c @@ -569,10 +569,8 @@ static SpiceInfo *qmp_query_spice_real(Error **errp) } =20 static int migration_state_notifier(NotifierWithReturn *notifier, - void *data, Error **errp) + MigrationEvent *e, Error **errp) { - MigrationEvent *e =3D data; - if (!spice_have_target_host) { return 0; } --=20 1.8.3.1