From patchwork Thu Dec 12 11:06:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= X-Patchwork-Id: 13904977 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 B910CE7717F for ; Thu, 12 Dec 2024 11:07:26 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLh1h-0008Of-1E; Thu, 12 Dec 2024 06:06:37 -0500 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 1tLh1b-0008O7-DO for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:06:31 -0500 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 1tLh1Z-000374-V5 for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:06:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1734001589; 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=JKKe1O7fIVAp2X/jfDGvzroQOsjwRVp4kDmSy7Ems8k=; b=E21gPI+F9aJb6NyI4XTV243K82rUkq5+eqVzwN/FHg6HhQQGiUR5qLmqQZjJLd6bZvJ8bb GauriYD2GBIuWf5tsq/67pcog9wU9GuvgjZPqcmP8jJq0AF5ZIyDsJHqyMCRY7+YK6+uaz jEDJOcYkOiJ2Ra0flaNADYHjR5cFN58= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-278-xG_BDXU-ODaTHVTFT64Bnw-1; Thu, 12 Dec 2024 06:06:26 -0500 X-MC-Unique: xG_BDXU-ODaTHVTFT64Bnw-1 X-Mimecast-MFC-AGG-ID: xG_BDXU-ODaTHVTFT64Bnw Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4A72819560A2; Thu, 12 Dec 2024 11:06:25 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.42.28.114]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 810731956086; Thu, 12 Dec 2024 11:06:22 +0000 (UTC) From: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Michael Roth , Markus Armbruster , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= Subject: [PATCH v3 1/4] qapi: cope with feature names containing a '-' Date: Thu, 12 Dec 2024 11:06:13 +0000 Message-ID: <20241212110616.3147676-2-berrange@redhat.com> In-Reply-To: <20241212110616.3147676-1-berrange@redhat.com> References: <20241212110616.3147676-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.472, 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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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 When we shortly expose all feature names to code, it will be valid to include a '-', which must be translated to a '_' for the enum constants. Signed-off-by: Daniel P. Berrangé --- scripts/qapi/gen.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index 6a8abe0041..c53ca72950 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -24,6 +24,7 @@ ) from .common import ( + c_enum_const, c_fname, c_name, guardend, @@ -41,7 +42,7 @@ def gen_special_features(features: Sequence[QAPISchemaFeature]) -> str: - special_features = [f"1u << QAPI_{feat.name.upper()}" + special_features = [f"1u << {c_enum_const('qapi', feat.name)}" for feat in features if feat.is_special()] return ' | '.join(special_features) or '0' From patchwork Thu Dec 12 11:06:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= X-Patchwork-Id: 13904974 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 CD33FE7717F for ; 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bh=/23KkrWdcUPvaqcKF/aTMDxAi9azol/22cu8/eqV75Y=; b=A/gQpeOoyqbuSOibWQKKkxc4npGls9JzaI8dffdfL7ewZ+cCv5KsTayJ3Kl3otuR1Gwtmn lqp0wPZD9F3mTkMusvBMMvMOcDa6F0GjDF+cyvrKSWNEA2WhquhtBH4mUyrv4SWqU4kmi9 7MZD5afs1GWaYHzO+5rAsS8U5aMQVx4= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-13-TNMK_wmRPPOPpLDhz9LWKA-1; Thu, 12 Dec 2024 06:06:30 -0500 X-MC-Unique: TNMK_wmRPPOPpLDhz9LWKA-1 X-Mimecast-MFC-AGG-ID: TNMK_wmRPPOPpLDhz9LWKA Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C1FD51955F45; Thu, 12 Dec 2024 11:06:29 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.42.28.114]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 9A2E81956089; Thu, 12 Dec 2024 11:06:25 +0000 (UTC) From: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Michael Roth , Markus Armbruster , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= Subject: [PATCH v3 2/4] qapi: change 'unsigned special_features' to 'uint64_t features' Date: Thu, 12 Dec 2024 11:06:14 +0000 Message-ID: <20241212110616.3147676-3-berrange@redhat.com> In-Reply-To: <20241212110616.3147676-1-berrange@redhat.com> References: <20241212110616.3147676-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.472, 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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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 The "special_features" field / parameter holds the subset of schema features that are for internal code use. Specifically 'DEPRECATED' and 'UNSTABLE'. This special casing of internal features is going to be removed, so prepare for that by renaming to 'features'. Using a fixed size type is also best practice for bit fields. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Daniel P. Berrangé --- include/qapi/compat-policy.h | 2 +- include/qapi/qmp/dispatch.h | 4 ++-- include/qapi/util.h | 2 +- include/qapi/visitor-impl.h | 4 ++-- include/qapi/visitor.h | 12 ++++++------ qapi/qapi-forward-visitor.c | 8 ++++---- qapi/qapi-util.c | 6 +++--- qapi/qapi-visit-core.c | 12 ++++++------ qapi/qmp-dispatch.c | 2 +- qapi/qmp-registry.c | 4 ++-- qapi/qobject-input-visitor.c | 4 ++-- qapi/qobject-output-visitor.c | 6 +++--- scripts/qapi/types.py | 2 +- 13 files changed, 34 insertions(+), 34 deletions(-) diff --git a/include/qapi/compat-policy.h b/include/qapi/compat-policy.h index 8b7b25c0b5..ea65e10744 100644 --- a/include/qapi/compat-policy.h +++ b/include/qapi/compat-policy.h @@ -18,7 +18,7 @@ extern CompatPolicy compat_policy; -bool compat_policy_input_ok(unsigned special_features, +bool compat_policy_input_ok(uint64_t features, const CompatPolicy *policy, ErrorClass error_class, const char *kind, const char *name, diff --git a/include/qapi/qmp/dispatch.h b/include/qapi/qmp/dispatch.h index f2e956813a..e0ee1ad3ac 100644 --- a/include/qapi/qmp/dispatch.h +++ b/include/qapi/qmp/dispatch.h @@ -33,7 +33,7 @@ typedef struct QmpCommand /* Runs in coroutine context if QCO_COROUTINE is set */ QmpCommandFunc *fn; QmpCommandOptions options; - unsigned special_features; + uint64_t features; QTAILQ_ENTRY(QmpCommand) node; bool enabled; const char *disable_reason; @@ -43,7 +43,7 @@ typedef QTAILQ_HEAD(QmpCommandList, QmpCommand) QmpCommandList; void qmp_register_command(QmpCommandList *cmds, const char *name, QmpCommandFunc *fn, QmpCommandOptions options, - unsigned special_features); + uint64_t features); const QmpCommand *qmp_find_command(const QmpCommandList *cmds, const char *name); void qmp_disable_command(QmpCommandList *cmds, const char *name, diff --git a/include/qapi/util.h b/include/qapi/util.h index b8254247b8..29bc4eb865 100644 --- a/include/qapi/util.h +++ b/include/qapi/util.h @@ -18,7 +18,7 @@ typedef enum { typedef struct QEnumLookup { const char *const *array; - const unsigned char *const special_features; + const uint64_t *const features; const int size; } QEnumLookup; diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h index 2badec5ba4..7beb0dbfa5 100644 --- a/include/qapi/visitor-impl.h +++ b/include/qapi/visitor-impl.h @@ -115,11 +115,11 @@ struct Visitor /* Optional */ bool (*policy_reject)(Visitor *v, const char *name, - unsigned special_features, Error **errp); + uint64_t features, Error **errp); /* Optional */ bool (*policy_skip)(Visitor *v, const char *name, - unsigned special_features); + uint64_t features); /* Must be set */ VisitorType type; diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h index 27b85d4700..f6a9b0743f 100644 --- a/include/qapi/visitor.h +++ b/include/qapi/visitor.h @@ -463,29 +463,29 @@ bool visit_optional(Visitor *v, const char *name, bool *present); /* * Should we reject member @name due to policy? * - * @special_features is the member's special features encoded as a - * bitset of QapiSpecialFeature. + * @features is the member's special features encoded as a + * bitset of QapiFeature. * * @name must not be NULL. This function is only useful between * visit_start_struct() and visit_end_struct(), since only objects * have deprecated members. */ bool visit_policy_reject(Visitor *v, const char *name, - unsigned special_features, Error **errp); + uint64_t features, Error **errp); /* * * Should we skip member @name due to policy? * - * @special_features is the member's special features encoded as a - * bitset of QapiSpecialFeature. + * @features is the member's special features encoded as a + * bitset of QapiFeature. * * @name must not be NULL. This function is only useful between * visit_start_struct() and visit_end_struct(), since only objects * have deprecated members. */ bool visit_policy_skip(Visitor *v, const char *name, - unsigned special_features); + uint64_t features); /* * Set policy for handling deprecated management interfaces. diff --git a/qapi/qapi-forward-visitor.c b/qapi/qapi-forward-visitor.c index e36d9bc9ba..6e9a784a9f 100644 --- a/qapi/qapi-forward-visitor.c +++ b/qapi/qapi-forward-visitor.c @@ -246,7 +246,7 @@ static void forward_field_optional(Visitor *v, const char *name, bool *present) } static bool forward_field_policy_reject(Visitor *v, const char *name, - unsigned special_features, + uint64_t features, Error **errp) { ForwardFieldVisitor *ffv = to_ffv(v); @@ -254,18 +254,18 @@ static bool forward_field_policy_reject(Visitor *v, const char *name, if (!forward_field_translate_name(ffv, &name, errp)) { return true; } - return visit_policy_reject(ffv->target, name, special_features, errp); + return visit_policy_reject(ffv->target, name, features, errp); } static bool forward_field_policy_skip(Visitor *v, const char *name, - unsigned special_features) + uint64_t features) { ForwardFieldVisitor *ffv = to_ffv(v); if (!forward_field_translate_name(ffv, &name, NULL)) { return true; } - return visit_policy_skip(ffv->target, name, special_features); + return visit_policy_skip(ffv->target, name, features); } static void forward_field_complete(Visitor *v, void *opaque) diff --git a/qapi/qapi-util.c b/qapi/qapi-util.c index 65a7d18437..3d849fe034 100644 --- a/qapi/qapi-util.c +++ b/qapi/qapi-util.c @@ -37,19 +37,19 @@ static bool compat_policy_input_ok1(const char *adjective, } } -bool compat_policy_input_ok(unsigned special_features, +bool compat_policy_input_ok(uint64_t features, const CompatPolicy *policy, ErrorClass error_class, const char *kind, const char *name, Error **errp) { - if ((special_features & 1u << QAPI_DEPRECATED) + if ((features & 1u << QAPI_DEPRECATED) && !compat_policy_input_ok1("Deprecated", policy->deprecated_input, error_class, kind, name, errp)) { return false; } - if ((special_features & (1u << QAPI_UNSTABLE)) + if ((features & (1u << QAPI_UNSTABLE)) && !compat_policy_input_ok1("Unstable", policy->unstable_input, error_class, kind, name, errp)) { diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 6c13510a2b..706c61e026 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -141,21 +141,21 @@ bool visit_optional(Visitor *v, const char *name, bool *present) } bool visit_policy_reject(Visitor *v, const char *name, - unsigned special_features, Error **errp) + uint64_t features, Error **errp) { trace_visit_policy_reject(v, name); if (v->policy_reject) { - return v->policy_reject(v, name, special_features, errp); + return v->policy_reject(v, name, features, errp); } return false; } bool visit_policy_skip(Visitor *v, const char *name, - unsigned special_features) + uint64_t features) { trace_visit_policy_skip(v, name); if (v->policy_skip) { - return v->policy_skip(v, name, special_features); + return v->policy_skip(v, name, features); } return false; } @@ -409,8 +409,8 @@ static bool input_type_enum(Visitor *v, const char *name, int *obj, return false; } - if (lookup->special_features - && !compat_policy_input_ok(lookup->special_features[value], + if (lookup->features + && !compat_policy_input_ok(lookup->features[value], &v->compat_policy, ERROR_CLASS_GENERIC_ERROR, "value", enum_str, errp)) { diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 176b549473..d411eebf4e 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -173,7 +173,7 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ "The command %s has not been found", command); goto out; } - if (!compat_policy_input_ok(cmd->special_features, &compat_policy, + if (!compat_policy_input_ok(cmd->features, &compat_policy, ERROR_CLASS_COMMAND_NOT_FOUND, "command", command, &err)) { goto out; diff --git a/qapi/qmp-registry.c b/qapi/qmp-registry.c index 485bc5e6fc..bfcabec526 100644 --- a/qapi/qmp-registry.c +++ b/qapi/qmp-registry.c @@ -17,7 +17,7 @@ void qmp_register_command(QmpCommandList *cmds, const char *name, QmpCommandFunc *fn, QmpCommandOptions options, - unsigned special_features) + uint64_t features) { QmpCommand *cmd = g_malloc0(sizeof(*cmd)); @@ -28,7 +28,7 @@ void qmp_register_command(QmpCommandList *cmds, const char *name, cmd->fn = fn; cmd->enabled = true; cmd->options = options; - cmd->special_features = special_features; + cmd->features = features; QTAILQ_INSERT_TAIL(cmds, cmd, node); } diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c index f110a804b2..ff9c726de3 100644 --- a/qapi/qobject-input-visitor.c +++ b/qapi/qobject-input-visitor.c @@ -664,10 +664,10 @@ static void qobject_input_optional(Visitor *v, const char *name, bool *present) } static bool qobject_input_policy_reject(Visitor *v, const char *name, - unsigned special_features, + uint64_t features, Error **errp) { - return !compat_policy_input_ok(special_features, &v->compat_policy, + return !compat_policy_input_ok(features, &v->compat_policy, ERROR_CLASS_GENERIC_ERROR, "parameter", name, errp); } diff --git a/qapi/qobject-output-visitor.c b/qapi/qobject-output-visitor.c index 74770edd73..8902287caa 100644 --- a/qapi/qobject-output-visitor.c +++ b/qapi/qobject-output-visitor.c @@ -210,13 +210,13 @@ static bool qobject_output_type_null(Visitor *v, const char *name, } static bool qobject_output_policy_skip(Visitor *v, const char *name, - unsigned special_features) + uint64_t features) { CompatPolicy *pol = &v->compat_policy; - return ((special_features & 1u << QAPI_DEPRECATED) + return ((features & 1u << QAPI_DEPRECATED) && pol->deprecated_output == COMPAT_POLICY_OUTPUT_HIDE) - || ((special_features & 1u << QAPI_UNSTABLE) + || ((features & 1u << QAPI_UNSTABLE) && pol->unstable_output == COMPAT_POLICY_OUTPUT_HIDE); } diff --git a/scripts/qapi/types.py b/scripts/qapi/types.py index 0dd0b00ada..7bc3f8241f 100644 --- a/scripts/qapi/types.py +++ b/scripts/qapi/types.py @@ -71,7 +71,7 @@ def gen_enum_lookup(name: str, if feats: ret += mcgen(''' }, - .special_features = (const unsigned char[%(max_index)s]) { + .features = (const uint64_t[%(max_index)s]) { ''', max_index=max_index) ret += feats From patchwork Thu Dec 12 11:06:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= X-Patchwork-Id: 13904978 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 6DC16E77182 for ; 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Thu, 12 Dec 2024 11:06:32 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.42.28.114]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 696EB195608A; Thu, 12 Dec 2024 11:06:30 +0000 (UTC) From: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Michael Roth , Markus Armbruster , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= Subject: [PATCH v3 3/4] qapi: rename 'special_features' to 'features' Date: Thu, 12 Dec 2024 11:06:15 +0000 Message-ID: <20241212110616.3147676-4-berrange@redhat.com> In-Reply-To: <20241212110616.3147676-1-berrange@redhat.com> References: <20241212110616.3147676-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.472, 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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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 This updates the QAPI code generation to refer to 'features' instead of 'special_features', in preparation for generalizing their exposure. Signed-off-by: Daniel P. Berrangé Reviewed-by: Philippe Mathieu-Daudé --- scripts/qapi/commands.py | 4 ++-- scripts/qapi/gen.py | 8 ++++---- scripts/qapi/types.py | 10 +++++----- scripts/qapi/visit.py | 14 +++++++------- 4 files changed, 18 insertions(+), 18 deletions(-) diff --git a/scripts/qapi/commands.py b/scripts/qapi/commands.py index 79951a841f..d629d2d97e 100644 --- a/scripts/qapi/commands.py +++ b/scripts/qapi/commands.py @@ -25,7 +25,7 @@ QAPIGenC, QAPISchemaModularCVisitor, build_params, - gen_special_features, + gen_features, ifcontext, ) from .schema import ( @@ -298,7 +298,7 @@ def gen_register_command(name: str, ''', name=name, c_name=c_name(name), opts=' | '.join(options) or 0, - feats=gen_special_features(features)) + feats=gen_features(features)) return ret diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index c53ca72950..b51f8d955e 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -41,10 +41,10 @@ from .source import QAPISourceInfo -def gen_special_features(features: Sequence[QAPISchemaFeature]) -> str: - special_features = [f"1u << {c_enum_const('qapi', feat.name)}" - for feat in features if feat.is_special()] - return ' | '.join(special_features) or '0' +def gen_features(features: Sequence[QAPISchemaFeature]) -> str: + featenum = [f"1u << {c_enum_const('qapi', feat.name)}" + for feat in features if feat.is_special()] + return ' | '.join(featenum) or '0' class QAPIGen: diff --git a/scripts/qapi/types.py b/scripts/qapi/types.py index 7bc3f8241f..ade6b7a3d7 100644 --- a/scripts/qapi/types.py +++ b/scripts/qapi/types.py @@ -18,7 +18,7 @@ from .common import c_enum_const, c_name, mcgen from .gen import ( QAPISchemaModularCVisitor, - gen_special_features, + gen_features, ifcontext, ) from .schema import ( @@ -61,12 +61,12 @@ def gen_enum_lookup(name: str, index=index, name=memb.name) ret += memb.ifcond.gen_endif() - special_features = gen_special_features(memb.features) - if special_features != '0': + features = gen_features(memb.features) + if features != '0': feats += mcgen(''' - [%(index)s] = %(special_features)s, + [%(index)s] = %(features)s, ''', - index=index, special_features=special_features) + index=index, features=features) if feats: ret += mcgen(''' diff --git a/scripts/qapi/visit.py b/scripts/qapi/visit.py index 12f92e429f..8dbf4ef1c3 100644 --- a/scripts/qapi/visit.py +++ b/scripts/qapi/visit.py @@ -23,7 +23,7 @@ ) from .gen import ( QAPISchemaModularCVisitor, - gen_special_features, + gen_features, ifcontext, ) from .schema import ( @@ -103,15 +103,15 @@ def gen_visit_object_members(name: str, ''', name=memb.name, has=has) indent.increase() - special_features = gen_special_features(memb.features) - if special_features != '0': + features = gen_features(memb.features) + if features != '0': ret += mcgen(''' - if (visit_policy_reject(v, "%(name)s", %(special_features)s, errp)) { + if (visit_policy_reject(v, "%(name)s", %(features)s, errp)) { return false; } - if (!visit_policy_skip(v, "%(name)s", %(special_features)s)) { + if (!visit_policy_skip(v, "%(name)s", %(features)s)) { ''', - name=memb.name, special_features=special_features) + name=memb.name, features=features) indent.increase() ret += mcgen(''' if (!visit_type_%(c_type)s(v, "%(name)s", &obj->%(c_name)s, errp)) { @@ -120,7 +120,7 @@ def gen_visit_object_members(name: str, ''', c_type=memb.type.c_name(), name=memb.name, c_name=c_name(memb.name)) - if special_features != '0': + if features != '0': indent.decrease() ret += mcgen(''' } From patchwork Thu Dec 12 11:06:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= X-Patchwork-Id: 13904976 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 55092E7717F for ; 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Thu, 12 Dec 2024 11:06:35 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.42.28.114]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1E73E1956086; Thu, 12 Dec 2024 11:06:32 +0000 (UTC) From: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Michael Roth , Markus Armbruster , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= Subject: [PATCH v3 4/4] qapi: expose all schema features to code Date: Thu, 12 Dec 2024 11:06:16 +0000 Message-ID: <20241212110616.3147676-5-berrange@redhat.com> In-Reply-To: <20241212110616.3147676-1-berrange@redhat.com> References: <20241212110616.3147676-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.472, 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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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 This replaces use of the constants from the QapiSpecialFeatures enum, with constants from the auto-generate QapiFeatures enum in qapi-features.h The 'deprecated' and 'unstable' features still have a little bit of special handling, being force defined to be the 1st + 2nd features in the enum, regardless of whether they're used in the schema. This retains compatibility with common code that references the features via the QapiSpecialFeatures constants. Signed-off-by: Daniel P. Berrangé --- meson.build | 1 + scripts/qapi/commands.py | 1 + scripts/qapi/features.py | 51 ++++++++++++++++++++++++ scripts/qapi/gen.py | 6 +-- scripts/qapi/main.py | 2 + scripts/qapi/schema.py | 30 +++++++++++++- scripts/qapi/types.py | 7 +++- scripts/qapi/visit.py | 3 +- tests/meson.build | 2 + tests/qapi-schema/features-too-many.err | 2 + tests/qapi-schema/features-too-many.json | 13 ++++++ tests/qapi-schema/features-too-many.out | 0 tests/qapi-schema/meson.build | 1 + 13 files changed, 112 insertions(+), 7 deletions(-) create mode 100644 scripts/qapi/features.py create mode 100644 tests/qapi-schema/features-too-many.err create mode 100644 tests/qapi-schema/features-too-many.json create mode 100644 tests/qapi-schema/features-too-many.out diff --git a/meson.build b/meson.build index 147097c652..3815878b23 100644 --- a/meson.build +++ b/meson.build @@ -3444,6 +3444,7 @@ qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py', meson.current_source_dir() / 'scripts/qapi/schema.py', meson.current_source_dir() / 'scripts/qapi/source.py', meson.current_source_dir() / 'scripts/qapi/types.py', + meson.current_source_dir() / 'scripts/qapi/features.py', meson.current_source_dir() / 'scripts/qapi/visit.py', meson.current_source_dir() / 'scripts/qapi-gen.py' ] diff --git a/scripts/qapi/commands.py b/scripts/qapi/commands.py index d629d2d97e..bf88bfc442 100644 --- a/scripts/qapi/commands.py +++ b/scripts/qapi/commands.py @@ -355,6 +355,7 @@ def visit_begin(self, schema: QAPISchema) -> None: #include "qemu/osdep.h" #include "%(prefix)sqapi-commands.h" #include "%(prefix)sqapi-init-commands.h" +#include "%(prefix)sqapi-features.h" void %(c_prefix)sqmp_init_marshal(QmpCommandList *cmds) { diff --git a/scripts/qapi/features.py b/scripts/qapi/features.py new file mode 100644 index 0000000000..f32f9fe5f4 --- /dev/null +++ b/scripts/qapi/features.py @@ -0,0 +1,51 @@ +""" +QAPI features generator + +Copyright 2024 Red Hat + +This work is licensed under the terms of the GNU GPL, version 2. +# See the COPYING file in the top-level directory. +""" + +from typing import Dict + +from .common import c_enum_const, c_name +from .gen import QAPISchemaMonolithicCVisitor +from .schema import ( + QAPISchema, + QAPISchemaFeature, +) + + +class QAPISchemaGenFeatureVisitor(QAPISchemaMonolithicCVisitor): + + def __init__(self, prefix: str): + super().__init__( + prefix, 'qapi-features', + ' * Schema-defined QAPI features', + __doc__) + + self.features: Dict[str, QAPISchemaFeature] = {} + + def visit_begin(self, schema: QAPISchema) -> None: + self.features = schema.features() + self._genh.add("#include \"qapi/util.h\"\n\n") + + def visit_end(self) -> None: + self._genh.add("typedef enum {\n") + for f in self.features: + self._genh.add(f" {c_enum_const('qapi_feature', f.name)}") + if f.name in QAPISchemaFeature.SPECIAL_NAMES: + self._genh.add(f" = {c_enum_const('qapi', f.name)},\n") + else: + self._genh.add(",\n") + + self._genh.add("} " + c_name('QapiFeature') + ";\n") + + +def gen_features(schema: QAPISchema, + output_dir: str, + prefix: str) -> None: + vis = QAPISchemaGenFeatureVisitor(prefix) + schema.visit(vis) + vis.write(output_dir) diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index b51f8d955e..d3c56d45c8 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -42,9 +42,9 @@ def gen_features(features: Sequence[QAPISchemaFeature]) -> str: - featenum = [f"1u << {c_enum_const('qapi', feat.name)}" - for feat in features if feat.is_special()] - return ' | '.join(featenum) or '0' + feats = [f"1u << {c_enum_const('qapi_feature', feat.name)}" + for feat in features] + return ' | '.join(feats) or '0' class QAPIGen: diff --git a/scripts/qapi/main.py b/scripts/qapi/main.py index 316736b6a2..2b9a2c0c02 100644 --- a/scripts/qapi/main.py +++ b/scripts/qapi/main.py @@ -18,6 +18,7 @@ from .introspect import gen_introspect from .schema import QAPISchema from .types import gen_types +from .features import gen_features from .visit import gen_visit @@ -49,6 +50,7 @@ def generate(schema_file: str, schema = QAPISchema(schema_file) gen_types(schema, output_dir, prefix, builtins) + gen_features(schema, output_dir, prefix) gen_visit(schema, output_dir, prefix, builtins) gen_commands(schema, output_dir, prefix, gen_tracing) gen_events(schema, output_dir, prefix) diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index e97c978d38..39c91af245 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -933,8 +933,11 @@ def connect_doc(self, doc: Optional[QAPIDoc]) -> None: class QAPISchemaFeature(QAPISchemaMember): role = 'feature' + # Features which are standardized across all schemas + SPECIAL_NAMES = ['deprecated', 'unstable'] + def is_special(self) -> bool: - return self.name in ('deprecated', 'unstable') + return self.name in QAPISchemaFeature.SPECIAL_NAMES class QAPISchemaObjectTypeMember(QAPISchemaMember): @@ -1138,6 +1141,16 @@ def __init__(self, fname: str): self._entity_list: List[QAPISchemaEntity] = [] self._entity_dict: Dict[str, QAPISchemaDefinition] = {} self._module_dict: Dict[str, QAPISchemaModule] = OrderedDict() + # NB, values in the dict will identify the first encountered + # usage of a named feature only + self._feature_dict: Dict[str, QAPISchemaFeature] = OrderedDict() + + # All schemas get the names defined in the QapiSpecialFeature enum. + # Use of OrderedDict ensures they are emitted first when generating + # the enum definition, thus matching QapiSpecialFeature. + for f in QAPISchemaFeature.SPECIAL_NAMES: + self._feature_dict[f] = QAPISchemaFeature(f, None) + self._schema_dir = os.path.dirname(fname) self._make_module(QAPISchemaModule.BUILTIN_MODULE_NAME) self._make_module(fname) @@ -1147,6 +1160,9 @@ def __init__(self, fname: str): self._def_exprs(exprs) self.check() + def features(self) -> List[QAPISchemaFeature]: + return self._feature_dict.values() + def _def_entity(self, ent: QAPISchemaEntity) -> None: self._entity_list.append(ent) @@ -1258,6 +1274,12 @@ def _make_features( ) -> List[QAPISchemaFeature]: if features is None: return [] + + for f in features: + feat = QAPISchemaFeature(f['name'], info) + if feat.name not in self._feature_dict: + self._feature_dict[feat.name] = feat + return [QAPISchemaFeature(f['name'], info, QAPISchemaIfCond(f.get('if'))) for f in features] @@ -1485,6 +1507,12 @@ def check(self) -> None: for doc in self.docs: doc.check() + features = list(self._feature_dict.values()) + if len(features) > 64: + raise QAPISemError( + features[64].info, + "Maximum of 64 schema features is permitted") + def visit(self, visitor: QAPISchemaVisitor) -> None: visitor.visit_begin(self) for mod in self._module_dict.values(): diff --git a/scripts/qapi/types.py b/scripts/qapi/types.py index ade6b7a3d7..5294e5ea3b 100644 --- a/scripts/qapi/types.py +++ b/scripts/qapi/types.py @@ -308,11 +308,14 @@ def _begin_user_module(self, name: str) -> None: #include "qapi/dealloc-visitor.h" #include "%(types)s.h" #include "%(visit)s.h" +#include "%(prefix)sqapi-features.h" ''', - types=types, visit=visit)) + types=types, visit=visit, + prefix=self._prefix)) self._genh.preamble_add(mcgen(''' #include "qapi/qapi-builtin-types.h" -''')) +''', + prefix=self._prefix)) def visit_begin(self, schema: QAPISchema) -> None: # gen_object() is recursive, ensure it doesn't visit the empty type diff --git a/scripts/qapi/visit.py b/scripts/qapi/visit.py index 8dbf4ef1c3..2d678c281d 100644 --- a/scripts/qapi/visit.py +++ b/scripts/qapi/visit.py @@ -360,8 +360,9 @@ def _begin_user_module(self, name: str) -> None: #include "qemu/osdep.h" #include "qapi/error.h" #include "%(visit)s.h" +#include "%(prefix)sqapi-features.h" ''', - visit=visit)) + visit=visit, prefix=self._prefix)) self._genh.preamble_add(mcgen(''' #include "qapi/qapi-builtin-visit.h" #include "%(types)s.h" diff --git a/tests/meson.build b/tests/meson.build index 907a4c1c98..a4ede66d0d 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -16,6 +16,8 @@ test_qapi_outputs = [ 'test-qapi-events-sub-sub-module.h', 'test-qapi-events.c', 'test-qapi-events.h', + 'test-qapi-features.c', + 'test-qapi-features.h', 'test-qapi-init-commands.c', 'test-qapi-init-commands.h', 'test-qapi-introspect.c', diff --git a/tests/qapi-schema/features-too-many.err b/tests/qapi-schema/features-too-many.err new file mode 100644 index 0000000000..bbbd6e5202 --- /dev/null +++ b/tests/qapi-schema/features-too-many.err @@ -0,0 +1,2 @@ +features-too-many.json: In command 'go-fish': +features-too-many.json:2: Maximum of 64 schema features is permitted diff --git a/tests/qapi-schema/features-too-many.json b/tests/qapi-schema/features-too-many.json new file mode 100644 index 0000000000..aab0a0b5f1 --- /dev/null +++ b/tests/qapi-schema/features-too-many.json @@ -0,0 +1,13 @@ +# Max 64 features, with 2 specials, so 63rd custom is invalid +{ 'command': 'go-fish', + 'features': [ + 'f00', 'f01', 'f02', 'f03', 'f04', 'f05', 'f06', 'f07', + 'f08', 'f09', 'f0a', 'f0b', 'f0c', 'f0d', 'f0e', 'f0f', + 'f10', 'f11', 'f12', 'f13', 'f14', 'f15', 'f16', 'f17', + 'f18', 'f19', 'f1a', 'f1b', 'f1c', 'f1d', 'f1e', 'f1f', + 'f20', 'f21', 'f22', 'f23', 'f24', 'f25', 'f26', 'f27', + 'f28', 'f29', 'f2a', 'f2b', 'f2c', 'f2d', 'f2e', 'f2f', + 'f30', 'f31', 'f32', 'f33', 'f34', 'f35', 'f36', 'f37', + 'f38', 'f39', 'f3a', 'f3b', 'f3c', 'f3d', 'f3e' + ] +} diff --git a/tests/qapi-schema/features-too-many.out b/tests/qapi-schema/features-too-many.out new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build index 0f479d9317..9577178b6f 100644 --- a/tests/qapi-schema/meson.build +++ b/tests/qapi-schema/meson.build @@ -105,6 +105,7 @@ schemas = [ 'event-case.json', 'event-member-invalid-dict.json', 'event-nest-struct.json', + 'features-too-many.json', 'features-bad-type.json', 'features-deprecated-type.json', 'features-duplicate-name.json',