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bh=WA4yk8tU42gjpMNzm0/ukyzMRA3ukynyOVE/VfTXNpM=; b=GxJPHLmm4LaM1K27hrjQPErJXbuyjnCg9qo8YMJ8+x3DDexXytT+iOitmHIvwVN+KIq+sr 32iquxmWwzNk3EZtS3hin6vDXdUhut308038t/m3UgBaZcZBPoQYnjPs1fT2Z/Krzq01Fh Ug9z6vYXK1634ExSUk4c5KBn/RL1Hfs= X-MC-Unique: rrRjU1kRPOaDjO-_PixNEg-1 From: Juan Quintela To: qemu-devel@nongnu.org Cc: Leonardo Bras , Juan Quintela , Peter Xu Subject: [PATCH v3 03/10] migration/rdma: Unfold ram_control_after_iterate() Date: Tue, 9 May 2023 14:06:53 +0200 Message-Id: <20230509120700.78359-4-quintela@redhat.com> In-Reply-To: <20230509120700.78359-1-quintela@redhat.com> References: <20230509120700.78359-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.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_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-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 @redhat.com) X-ZM-MESSAGEID: 1683634084396100003 Content-Type: text/plain; charset="utf-8" Once there: - Remove unused data parameter - unfold it in its callers - change all callers to call qemu_rdma_registration_stop() Signed-off-by: Juan Quintela --- migration/qemu-file.c | 12 ------------ migration/qemu-file.h | 2 -- migration/ram.c | 17 ++++++++++++++--- migration/rdma.c | 6 ++---- migration/rdma.h | 2 ++ 5 files changed, 18 insertions(+), 21 deletions(-) diff --git a/migration/qemu-file.c b/migration/qemu-file.c index 6243d6ac59..918df83035 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -303,18 +303,6 @@ void qemu_fflush(QEMUFile *f) f->iovcnt =3D 0; } =20 -void ram_control_after_iterate(QEMUFile *f, uint64_t flags) -{ - int ret =3D 0; - - if (f->hooks && f->hooks->after_ram_iterate) { - ret =3D f->hooks->after_ram_iterate(f, flags, NULL); - if (ret < 0) { - qemu_file_set_error(f, ret); - } - } -} - void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data) { if (f->hooks && f->hooks->hook_ram_load) { diff --git a/migration/qemu-file.h b/migration/qemu-file.h index ced2202137..323af5682f 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -55,7 +55,6 @@ typedef int (QEMURamSaveFunc)(QEMUFile *f, size_t size); =20 typedef struct QEMUFileHooks { - QEMURamHookFunc *after_ram_iterate; QEMURamHookFunc *hook_ram_load; QEMURamSaveFunc *save_page; } QEMUFileHooks; @@ -130,7 +129,6 @@ void qemu_fflush(QEMUFile *f); void qemu_file_set_blocking(QEMUFile *f, bool block); int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size); =20 -void ram_control_after_iterate(QEMUFile *f, uint64_t flags); void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data); =20 /* Whenever this is found in the data stream, the flags diff --git a/migration/ram.c b/migration/ram.c index a8acabe64c..2b36e802c4 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3052,7 +3052,11 @@ static int ram_save_setup(QEMUFile *f, void *opaque) if (ret < 0) { qemu_file_set_error(f, ret); } - ram_control_after_iterate(f, RAM_CONTROL_SETUP); + + ret =3D qemu_rdma_registration_stop(f, RAM_CONTROL_SETUP); + if (ret < 0) { + qemu_file_set_error(f, ret); + } =20 migration_ops =3D g_malloc0(sizeof(MigrationOps)); migration_ops->ram_save_target_page =3D ram_save_target_page_legacy; @@ -3174,7 +3178,10 @@ static int ram_save_iterate(QEMUFile *f, void *opaqu= e) * Must occur before EOS (or any QEMUFile operation) * because of RDMA protocol. */ - ram_control_after_iterate(f, RAM_CONTROL_ROUND); + ret =3D qemu_rdma_registration_stop(f, RAM_CONTROL_ROUND); + if (ret < 0) { + qemu_file_set_error(f, ret); + } =20 out: if (ret >=3D 0 @@ -3248,7 +3255,11 @@ static int ram_save_complete(QEMUFile *f, void *opaq= ue) qemu_mutex_unlock(&rs->bitmap_mutex); =20 ram_flush_compressed_data(rs); - ram_control_after_iterate(f, RAM_CONTROL_FINISH); + + int ret =3D qemu_rdma_registration_stop(f, RAM_CONTROL_FINISH); + if (ret < 0) { + qemu_file_set_error(f, ret); + } } =20 if (ret < 0) { diff --git a/migration/rdma.c b/migration/rdma.c index 421a061278..3707230554 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -3892,15 +3892,14 @@ int qemu_rdma_registration_start(QEMUFile *f, uint6= 4_t flags) * Inform dest that dynamic registrations are done for now. * First, flush writes, if any. */ -static int qemu_rdma_registration_stop(QEMUFile *f, - uint64_t flags, void *data) +int qemu_rdma_registration_stop(QEMUFile *f, uint64_t flags) { QIOChannelRDMA *rioc =3D QIO_CHANNEL_RDMA(qemu_file_get_ioc(f)); RDMAContext *rdma; RDMAControlHeader head =3D { .len =3D 0, .repeat =3D 1 }; int ret =3D 0; =20 - if (migration_in_postcopy()) { + if (!migrate_rdma() || migration_in_postcopy()) { return 0; } =20 @@ -4007,7 +4006,6 @@ static const QEMUFileHooks rdma_read_hooks =3D { }; =20 static const QEMUFileHooks rdma_write_hooks =3D { - .after_ram_iterate =3D qemu_rdma_registration_stop, .save_page =3D qemu_rdma_save_page, }; =20 diff --git a/migration/rdma.h b/migration/rdma.h index 901c829c8b..a16a8d8bc6 100644 --- a/migration/rdma.h +++ b/migration/rdma.h @@ -25,7 +25,9 @@ void rdma_start_incoming_migration(const char *host_port,= Error **errp); =20 #ifdef CONFIG_RDMA int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags); +int qemu_rdma_registration_stop(QEMUFile *f, uint64_t flags); #else int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags) { return 0; } +int qemu_rdma_registration_stop(QEMUFile *f, uint64_t flags) { return 0; } #endif #endif --=20 2.40.0