From patchwork Thu Jun 10 05:57:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 1490186 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=f8wxIA7P; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4G0tqc2BqJz9s5R for ; Thu, 10 Jun 2021 16:10:04 +1000 (AEST) Received: from localhost ([::1]:49564 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrDtC-0007SZ-B6 for incoming@patchwork.ozlabs.org; Thu, 10 Jun 2021 02:10:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46506) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrDjg-0006KP-5Z for qemu-devel@nongnu.org; Thu, 10 Jun 2021 02:00:12 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:26878) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrDjc-0002jf-1u for qemu-devel@nongnu.org; Thu, 10 Jun 2021 02:00:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623304807; 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=tG1SibfhZXrEPT8UmEuDwzDuqqlJOstcdT6uPuEc/Gc=; b=f8wxIA7P/JtFHupueoj9rQ+TEIfubJmZVT08EWqB6RI4mHisyEBy771/0E93sly0X+GgF+ aRLdYXj6mj3V5Eua9Ks6S8MS7e0V6KL6TdwlBG9FK+Vgi6rO1LObrlkEzOs7aCIu36pjfL KNPtfPydoqLRtawYTIS4QWvceQo0C98= 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-83-qJLHKetPNgi3HSU4tdADkw-1; Thu, 10 Jun 2021 02:00:04 -0400 X-MC-Unique: qJLHKetPNgi3HSU4tdADkw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 767A8802939; Thu, 10 Jun 2021 06:00:02 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-113-69.ams2.redhat.com [10.36.113.69]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BCF2D5D6BA; Thu, 10 Jun 2021 05:59:49 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 1A58218017FE; Thu, 10 Jun 2021 07:57:56 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v2 15/18] modules: use modinfo for qom load Date: Thu, 10 Jun 2021 07:57:52 +0200 Message-Id: <20210610055755.538119-16-kraxel@redhat.com> In-Reply-To: <20210610055755.538119-1-kraxel@redhat.com> References: <20210610055755.538119-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.199, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Kevin Wolf , Thomas Huth , berrange@redhat.com, qemu-block@nongnu.org, "Michael S. Tsirkin" , Michael Roth , Cornelia Huck , Peter Lieven , Markus Armbruster , Max Reitz , Halil Pasic , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , qemu-s390x@nongnu.org, Gerd Hoffmann , Ronnie Sahlberg , Samuel Thibault , Paolo Bonzini , David Hildenbrand , Richard Henderson , Eric Blake , Christian Borntraeger Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Use module database to figure which module implements a given QOM type. Drop hard-coded object list. Signed-off-by: Gerd Hoffmann --- util/module.c | 83 +++++++++++++++++++-------------------------------- 1 file changed, 30 insertions(+), 53 deletions(-) diff --git a/util/module.c b/util/module.c index fd5fc059e14a..46bec1cfbec7 100644 --- a/util/module.c +++ b/util/module.c @@ -333,80 +333,57 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail) return success; } -/* - * Building devices and other qom objects modular is mostly useful in - * case they have dependencies to external shared libraries, so we can - * cut down the core qemu library dependencies. Which is the case for - * only a very few devices & objects. - * - * So with the expectation that this will be rather the exception than - * the rule and the list will not gain that many entries, go with a - * simple manually maintained list for now. - * - * The list must be sorted by module (module_load_qom_all() needs this). - */ -static struct { - const char *type; - const char *prefix; - const char *module; -} const qom_modules[] = { - { "ccid-card-passthru", "hw-", "usb-smartcard" }, - { "ccid-card-emulated", "hw-", "usb-smartcard" }, - { "usb-redir", "hw-", "usb-redirect" }, - { "qxl-vga", "hw-", "display-qxl" }, - { "qxl", "hw-", "display-qxl" }, - { "virtio-gpu-device", "hw-", "display-virtio-gpu" }, - { "virtio-gpu-gl-device", "hw-", "display-virtio-gpu-gl" }, - { "vhost-user-gpu", "hw-", "display-virtio-gpu" }, - { "virtio-gpu-pci-base", "hw-", "display-virtio-gpu-pci" }, - { "virtio-gpu-pci", "hw-", "display-virtio-gpu-pci" }, - { "virtio-gpu-gl-pci", "hw-", "display-virtio-gpu-pci-gl" }, - { "vhost-user-gpu-pci", "hw-", "display-virtio-gpu-pci" }, - { "virtio-gpu-ccw", "hw-", "s390x-virtio-gpu-ccw" }, - { "virtio-vga-base", "hw-", "display-virtio-vga" }, - { "virtio-vga", "hw-", "display-virtio-vga" }, - { "virtio-vga-gl", "hw-", "display-virtio-vga-gl" }, - { "vhost-user-vga", "hw-", "display-virtio-vga" }, - { "chardev-braille", "chardev-", "baum" }, - { "chardev-spicevmc", "chardev-", "spice" }, - { "chardev-spiceport", "chardev-", "spice" }, -}; +#ifdef CONFIG_MODULES static bool module_loaded_qom_all; void module_load_qom_one(const char *type) { - int i; + ModuleInfoList *modlist; + strList *sl; if (!type) { return; } - for (i = 0; i < ARRAY_SIZE(qom_modules); i++) { - if (strcmp(qom_modules[i].type, type) == 0) { - module_load_one(qom_modules[i].prefix, - qom_modules[i].module, - false); - return; + + module_load_path_init(); + module_load_modinfo(); + + for (modlist = modinfo->list; modlist != NULL; modlist = modlist->next) { + if (!modlist->value->has_objs) { + continue; + } + for (sl = modlist->value->objs; sl != NULL; sl = sl->next) { + if (strcmp(type, sl->value) == 0) { + module_load_one("", modlist->value->name, false); + } } } } void module_load_qom_all(void) { - int i; + ModuleInfoList *modlist; if (module_loaded_qom_all) { return; } - for (i = 0; i < ARRAY_SIZE(qom_modules); i++) { - if (i > 0 && (strcmp(qom_modules[i - 1].module, - qom_modules[i].module) == 0 && - strcmp(qom_modules[i - 1].prefix, - qom_modules[i].prefix) == 0)) { - /* one module implementing multiple types -> load only once */ + + module_load_path_init(); + module_load_modinfo(); + + for (modlist = modinfo->list; modlist != NULL; modlist = modlist->next) { + if (!modlist->value->has_objs) { continue; } - module_load_one(qom_modules[i].prefix, qom_modules[i].module, true); + module_load_one("", modlist->value->name, false); } module_loaded_qom_all = true; } + +#else + +void module_load_qom_one(const char *type) {} +void module_load_qom_all(void) {} + +#endif