From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B4C0C77B73 for ; Thu, 20 Apr 2023 13:50:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ppUWM-0003pO-Kv; Thu, 20 Apr 2023 09:40:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ppUWL-0003oL-2D for qemu-devel@nongnu.org; Thu, 20 Apr 2023 09:40:21 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ppUWJ-0005gK-70 for qemu-devel@nongnu.org; Thu, 20 Apr 2023 09:40:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1681998018; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Pmn40ihQ+Tw1GGdVR1e0HZoctLKora7ccUUnZwFEQP4=; b=E/VZv5t8/xIn1wWz3YTiZ6YfQikxkUy3rLeAlfeaEehAghGp93oGl1C6OggiubGefgFySx i9k3Sp61PzcxM93/+b6vmp5GrP7t8M1SMt7CsI0JXfd7u1nLxiBCsuiR45Er+VwKTZpA5U UqEOwPYh1NCwCmTkMIpX5CZYKEAZJnU= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-446--_L65ptzNvireMbEee0BKA-1; Thu, 20 Apr 2023 09:40:15 -0400 X-MC-Unique: -_L65ptzNvireMbEee0BKA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E9799381D4C3; Thu, 20 Apr 2023 13:40:14 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.171]) by smtp.corp.redhat.com (Postfix) with ESMTP id 62D634020BED; Thu, 20 Apr 2023 13:40:12 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Peter Xu , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , David Hildenbrand , John Snow , Fam Zheng , Hailiang Zhang , "Michael S. Tsirkin" , qemu-block@nongnu.org, Gerd Hoffmann , Vladimir Sementsov-Ogievskiy , Leonardo Bras , Markus Armbruster , Stefan Hajnoczi , Juan Quintela , Eric Blake Subject: [PATCH v2 03/43] migration: Create migration_cap_set() Date: Thu, 20 Apr 2023 15:39:22 +0200 Message-Id: <20230420134002.29531-4-quintela@redhat.com> In-Reply-To: <20230420134002.29531-1-quintela@redhat.com> References: <20230420134002.29531-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 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=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org And remove the convoluted use of qmp_migrate_set_capabilities() to enable disable MIGRATION_CAPABILITY_BLOCK. Signed-off-by: Juan Quintela --- migration/migration.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 74f28cdca6..4bf5df4778 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1913,25 +1913,24 @@ void migrate_set_state(int *state, int old_state, int new_state) } } -static MigrationCapabilityStatus *migrate_cap_add(MigrationCapability index, - bool state) +static bool migrate_cap_set(int cap, bool value, Error **errp) { - MigrationCapabilityStatus *cap; + MigrationState *s = migrate_get_current(); + bool new_caps[MIGRATION_CAPABILITY__MAX]; - cap = g_new0(MigrationCapabilityStatus, 1); - cap->capability = index; - cap->state = state; + if (migration_is_running(s->state)) { + error_setg(errp, QERR_MIGRATION_ACTIVE); + return false; + } - return cap; -} + memcpy(new_caps, s->capabilities, sizeof(new_caps)); + new_caps[cap] = value; -void migrate_set_block_enabled(bool value, Error **errp) -{ - MigrationCapabilityStatusList *cap = NULL; - - QAPI_LIST_PREPEND(cap, migrate_cap_add(MIGRATION_CAPABILITY_BLOCK, value)); - qmp_migrate_set_capabilities(cap, errp); - qapi_free_MigrationCapabilityStatusList(cap); + if (!migrate_caps_check(s->capabilities, new_caps, errp)) { + return false; + } + s->capabilities[cap] = value; + return true; } static void migrate_set_block_incremental(MigrationState *s, bool value) @@ -1943,7 +1942,7 @@ static void block_cleanup_parameters(MigrationState *s) { if (s->must_remove_block_options) { /* setting to false can never fail */ - migrate_set_block_enabled(false, &error_abort); + migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort); migrate_set_block_incremental(s, false); s->must_remove_block_options = false; } @@ -2430,8 +2429,7 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, "current migration capabilities"); return false; } - migrate_set_block_enabled(true, &local_err); - if (local_err) { + if (!migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, true, &local_err)) { error_propagate(errp, local_err); return false; } -- 2.39.2