From patchwork Tue Oct 27 18:21:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 301780 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE78AC4363A for ; Tue, 27 Oct 2020 18:38:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7B48820760 for ; Tue, 27 Oct 2020 18:38:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TvZ15jjl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B48820760 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38012 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXTra-0006fa-HE for qemu-devel@archiver.kernel.org; Tue, 27 Oct 2020 14:38:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58008) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXTbv-0004Ep-Sx for qemu-devel@nongnu.org; Tue, 27 Oct 2020 14:22:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:48517) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kXTbl-00032F-Eu for qemu-devel@nongnu.org; Tue, 27 Oct 2020 14:22:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603822926; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=A53k95pNRjRUvM3cXRgJVxqxjt4zlPJeqOaxha4X658=; b=TvZ15jjl00TITt8CbXXmInvmsRUlZKMBT6pFM3b6lafbbEIXbbXqPc9GfeZ9mqEYKQUhGP 1ilIk5EJaEAtzfEx6DeSkk+0gjPiUlo58UJ9L4ATqGlvPw94dNkCZejYKxOAK3lKDYvnJl O6kT636VWv/GRECd16cF0O8TTgX7Pbc= 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-116-v-BoMrvGPMWE4VQz3Qp4Ow-1; Tue, 27 Oct 2020 14:22:02 -0400 X-MC-Unique: v-BoMrvGPMWE4VQz3Qp4Ow-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BD99D8BAF47 for ; Tue, 27 Oct 2020 18:21:51 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 822C15D9EF for ; Tue, 27 Oct 2020 18:21:51 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 17/29] vl: separate qemu_create_early_backends Date: Tue, 27 Oct 2020 14:21:32 -0400 Message-Id: <20201027182144.3315885-18-pbonzini@redhat.com> In-Reply-To: <20201027182144.3315885-1-pbonzini@redhat.com> References: <20201027182144.3315885-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/27 01:06:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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_H5=0.001, RCVD_IN_MSPIKE_WL=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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" "Early" backends are created before the machine and can be used as machine options. Signed-off-by: Paolo Bonzini Reviewed-by: Igor Mammedov --- softmmu/vl.c | 123 +++++++++++++++++++++++++++------------------------ 1 file changed, 65 insertions(+), 58 deletions(-) diff --git a/softmmu/vl.c b/softmmu/vl.c index ebe3d46889..109036c089 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -117,6 +117,14 @@ #define MAX_VIRTIO_CONSOLES 1 +typedef struct BlockdevOptionsQueueEntry { + BlockdevOptions *bdo; + Location loc; + QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; +} BlockdevOptionsQueueEntry; + +typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; + static const char *cpu_option; static const char *data_dir[16]; static int data_dir_idx; @@ -126,7 +134,9 @@ static const char *boot_once; static const char *incoming; static const char *loadvm; static int display_remote; +static int snapshot; static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list); +static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); static bool nographic = false; enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; int mem_prealloc; /* force preallocation of physical target memory */ @@ -1043,14 +1053,6 @@ static void default_drive(int enable, int snapshot, BlockInterfaceType type, } -typedef struct BlockdevOptionsQueueEntry { - BlockdevOptions *bdo; - Location loc; - QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; -} BlockdevOptionsQueueEntry; - -typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; - static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, MachineClass *machine_class, int snapshot) { @@ -2640,7 +2642,7 @@ static int machine_set_property(void *opaque, * cannot be created here, as it depends on the chardev * already existing. */ -static bool object_create_initial(const char *type, QemuOpts *opts) +static bool object_create_early(const char *type, QemuOpts *opts) { if (user_creatable_print_help(type, opts)) { exit(0); @@ -2696,6 +2698,58 @@ static bool object_create_initial(const char *type, QemuOpts *opts) return true; } +static void qemu_create_early_backends(void) +{ + MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); + + if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) { + error_report("-alt-grab and -ctrl-grab are only valid " + "for SDL, ignoring option"); + } + if (dpy.has_window_close && + (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) { + error_report("-no-quit is only valid for GTK and SDL, " + "ignoring option"); + } + + qemu_display_early_init(&dpy); + qemu_console_early_init(); + + if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) { +#if defined(CONFIG_OPENGL) + error_report("OpenGL is not supported by the display"); +#else + error_report("OpenGL support is disabled"); +#endif + exit(1); + } + + qemu_opts_foreach(qemu_find_opts("object"), + user_creatable_add_opts_foreach, + object_create_early, &error_fatal); + + /* spice needs the timers to be initialized by this point */ + /* spice must initialize before audio as it changes the default auiodev */ + /* spice must initialize before chardevs (for spicevmc and spiceport) */ + qemu_spice.init(); + + qemu_opts_foreach(qemu_find_opts("chardev"), + chardev_init_func, NULL, &error_fatal); + +#ifdef CONFIG_VIRTFS + qemu_opts_foreach(qemu_find_opts("fsdev"), + fsdev_init_func, NULL, &error_fatal); +#endif + + /* + * Note: we need to create audio and block backends before + * machine_set_property(), so machine properties can refer to + * them. + */ + configure_blockdev(&bdo_queue, machine_class, snapshot); + audio_init_audiodevs(); +} + /* * The remainder of object creation happens after the @@ -2703,7 +2757,7 @@ static bool object_create_initial(const char *type, QemuOpts *opts) */ static bool object_create_delayed(const char *type, QemuOpts *opts) { - return !object_create_initial(type, opts); + return !object_create_early(type, opts); } @@ -3321,7 +3375,6 @@ static void qemu_machine_creation_done(void) void qemu_init(int argc, char **argv, char **envp) { - int snapshot = 0; QemuOpts *opts, *machine_opts; QemuOpts *icount_opts = NULL, *accel_opts = NULL; QemuOptsList *olist; @@ -3334,7 +3387,6 @@ void qemu_init(int argc, char **argv, char **envp) FILE *vmstate_dump_file = NULL; Error *err = NULL; bool have_custom_ram_size; - BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); qemu_add_opts(&qemu_drive_opts); qemu_add_drive_opts(&qemu_legacy_drive_opts); @@ -4308,52 +4360,7 @@ void qemu_init(int argc, char **argv, char **envp) qemu_disable_default_devices(); qemu_create_default_devices(); - if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) { - error_report("-alt-grab and -ctrl-grab are only valid " - "for SDL, ignoring option"); - } - if (dpy.has_window_close && - (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) { - error_report("-no-quit is only valid for GTK and SDL, " - "ignoring option"); - } - - qemu_display_early_init(&dpy); - qemu_console_early_init(); - - if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) { -#if defined(CONFIG_OPENGL) - error_report("OpenGL is not supported by the display"); -#else - error_report("OpenGL support is disabled"); -#endif - exit(1); - } - - qemu_opts_foreach(qemu_find_opts("object"), - user_creatable_add_opts_foreach, - object_create_initial, &error_fatal); - - /* spice needs the timers to be initialized by this point */ - /* spice must initialize before audio as it changes the default auiodev */ - /* spice must initialize before chardevs (for spicevmc and spiceport) */ - qemu_spice.init(); - - qemu_opts_foreach(qemu_find_opts("chardev"), - chardev_init_func, NULL, &error_fatal); - -#ifdef CONFIG_VIRTFS - qemu_opts_foreach(qemu_find_opts("fsdev"), - fsdev_init_func, NULL, &error_fatal); -#endif - - /* - * Note: we need to create audio and block backends before - * machine_set_property(), so machine properties can refer to - * them. - */ - configure_blockdev(&bdo_queue, machine_class, snapshot); - audio_init_audiodevs(); + qemu_create_early_backends(); machine_opts = qemu_get_machine_opts(); qemu_opt_foreach(machine_opts, machine_set_property, current_machine,