From nobody Mon Feb 9 16:34:07 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1635537299325667.8611524866332; Fri, 29 Oct 2021 12:54:59 -0700 (PDT) Received: from localhost ([::1]:38330 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mgXxq-0007JO-4j for importer@patchew.org; Fri, 29 Oct 2021 15:54:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57936) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgXaE-0000iR-F8 for qemu-devel@nongnu.org; Fri, 29 Oct 2021 15:30:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:58374) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mgXaA-0000sZ-I6 for qemu-devel@nongnu.org; Fri, 29 Oct 2021 15:30:32 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-213-FQJaG7XbPbGd1oZ7tbv2DQ-1; Fri, 29 Oct 2021 15:30:26 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5E09D180830C; Fri, 29 Oct 2021 19:30:25 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-7.ams2.redhat.com [10.36.112.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 022F91B42C; Fri, 29 Oct 2021 19:30:25 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 0593711380D7; Fri, 29 Oct 2021 21:30:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635535829; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=smtDNJMl0eUlnoCoyqHK+zFD6isrNx746B0qgnjcxxY=; b=gvHsZgY4KT5Lkk2LU/yVnmwxpbdtoa9EblOKwK+ZtifOwfNgOF88DG0jZLRkbwkFHRBa/u pX+8dVzZM8ml71JQQ5QztfP/7b9TrMQfWw28P9nr/+rQfIu8n982d+8aON699tVk66B9Fb 1ux/eeLBYhL5pv+XnFf0x9E+AyavrP8= X-MC-Unique: FQJaG7XbPbGd1oZ7tbv2DQ-1 From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 8/9] qapi: Factor out compat_policy_input_ok() Date: Fri, 29 Oct 2021 21:30:14 +0200 Message-Id: <20211029193015.1312198-9-armbru@redhat.com> In-Reply-To: <20211029193015.1312198-1-armbru@redhat.com> References: <20211029193015.1312198-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=216.205.24.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , richard.henderson@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1635537299595100001 The code to check policy for handling deprecated input is triplicated. Factor it out into compat_policy_input_ok() before I mess with it in the next commit. Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20211028102520.747396-9-armbru@redhat.com> [Policy code moved from qmp-dispatch.c to qapi-util.c to make visitors link without qmp-dispatch.o] --- include/qapi/compat-policy.h | 7 +++++++ qapi/qapi-util.c | 37 ++++++++++++++++++++++++++++++++++++ qapi/qapi-visit-core.c | 18 ++++++------------ qapi/qmp-dispatch.c | 19 ++++-------------- qapi/qobject-input-visitor.c | 19 ++++-------------- 5 files changed, 58 insertions(+), 42 deletions(-) diff --git a/include/qapi/compat-policy.h b/include/qapi/compat-policy.h index 1083f95122..8b7b25c0b5 100644 --- a/include/qapi/compat-policy.h +++ b/include/qapi/compat-policy.h @@ -13,10 +13,17 @@ #ifndef QAPI_COMPAT_POLICY_H #define QAPI_COMPAT_POLICY_H =20 +#include "qapi/error.h" #include "qapi/qapi-types-compat.h" =20 extern CompatPolicy compat_policy; =20 +bool compat_policy_input_ok(unsigned special_features, + const CompatPolicy *policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp); + /* * Create a QObject input visitor for @obj for use with QMP * diff --git a/qapi/qapi-util.c b/qapi/qapi-util.c index 3c24bb3d45..53b493cb7e 100644 --- a/qapi/qapi-util.c +++ b/qapi/qapi-util.c @@ -11,10 +11,47 @@ */ =20 #include "qemu/osdep.h" +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qemu/ctype.h" #include "qapi/qmp/qerror.h" =20 +CompatPolicy compat_policy; + +static bool compat_policy_input_ok1(const char *adjective, + CompatPolicyInput policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp) +{ + switch (policy) { + case COMPAT_POLICY_INPUT_ACCEPT: + return true; + case COMPAT_POLICY_INPUT_REJECT: + error_set(errp, error_class, "%s %s %s disabled by policy", + adjective, kind, name); + return false; + case COMPAT_POLICY_INPUT_CRASH: + default: + abort(); + } +} + +bool compat_policy_input_ok(unsigned special_features, + const CompatPolicy *policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp) +{ + if ((special_features & 1u << QAPI_DEPRECATED) + && !compat_policy_input_ok1("Deprecated", + policy->deprecated_input, + error_class, kind, name, errp)) { + return false; + } + return true; +} + const char *qapi_enum_lookup(const QEnumLookup *lookup, int val) { assert(val >=3D 0 && val < lookup->size); diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 34c59286b2..6c13510a2b 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -13,6 +13,7 @@ */ =20 #include "qemu/osdep.h" +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qmp/qerror.h" #include "qapi/visitor.h" @@ -409,18 +410,11 @@ static bool input_type_enum(Visitor *v, const char *n= ame, int *obj, } =20 if (lookup->special_features - && (lookup->special_features[value] & QAPI_DEPRECATED)) { - switch (v->compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - break; - case COMPAT_POLICY_INPUT_REJECT: - error_setg(errp, "Deprecated value '%s' disabled by policy", - enum_str); - return false; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + && !compat_policy_input_ok(lookup->special_features[value], + &v->compat_policy, + ERROR_CLASS_GENERIC_ERROR, + "value", enum_str, errp)) { + return false; } =20 *obj =3D value; diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 8cca18c891..d378bccac7 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -26,8 +26,6 @@ #include "qemu/coroutine.h" #include "qemu/main-loop.h" =20 -CompatPolicy compat_policy; - Visitor *qobject_input_visitor_new_qmp(QObject *obj) { Visitor *v =3D qobject_input_visitor_new(obj); @@ -176,19 +174,10 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObje= ct *request, "The command %s has not been found", command); goto out; } - if (cmd->special_features & 1u << QAPI_DEPRECATED) { - switch (compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - break; - case COMPAT_POLICY_INPUT_REJECT: - error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND, - "Deprecated command %s disabled by policy", - command); - goto out; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + if (!compat_policy_input_ok(cmd->special_features, &compat_policy, + ERROR_CLASS_COMMAND_NOT_FOUND, + "command", command, &err)) { + goto out; } if (!cmd->enabled) { error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND, diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c index c120dbdd92..f0b4c7ca9d 100644 --- a/qapi/qobject-input-visitor.c +++ b/qapi/qobject-input-visitor.c @@ -14,6 +14,7 @@ =20 #include "qemu/osdep.h" #include +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qobject-input-visitor.h" #include "qapi/visitor-impl.h" @@ -666,21 +667,9 @@ static bool qobject_input_policy_reject(Visitor *v, co= nst char *name, unsigned special_features, Error **errp) { - if (!(special_features & 1u << QAPI_DEPRECATED)) { - return false; - } - - switch (v->compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - return false; - case COMPAT_POLICY_INPUT_REJECT: - error_setg(errp, "Deprecated parameter '%s' disabled by policy", - name); - return true; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + return !compat_policy_input_ok(special_features, &v->compat_policy, + ERROR_CLASS_GENERIC_ERROR, + "parameter", name, errp); } =20 static void qobject_input_free(Visitor *v) --=20 2.31.1