From patchwork Mon Nov 6 19:49:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 13447343 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 9457AC4167B for ; Mon, 6 Nov 2023 19:56:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r05gP-00067y-Kk; Mon, 06 Nov 2023 14:54:49 -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 1r05g7-0005hS-IQ; Mon, 06 Nov 2023 14:54:31 -0500 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r05g0-00066o-22; Mon, 06 Nov 2023 14:54:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description; bh=WZmVL1uI/KotgdQhXO/qrZTP/dohS1pm8NaUzNrIdIE=; b=nv6FvVLjCIrbFr+0UrcGp1qnHZ j8eZtUiloNyLV0p1HBnbUW3cQA8b3Ad9kga46jhIwPt+7DNjSjq91AetVDsNzVWurXkc032ybq1cE ndRNvWJ4wo7eQLok0W4yWtMBv7cdAqvtge6WiUHZ3UyrQBo44ihqFXo7OxqI7PWDGPNoc7p9WQYme 4PQJtIywrHXUUkH4K+Ssyufegy11RZx/ogCOTJ06D4svHb90SfbDwab44b5ZV0YXbhjXOUbC9uQuU QL4J2f8mqAaxsJJJyZz0JvhN+OETvwULHgUoTDvqyODAJb8821GAXA9ZUr78ZA2sv3chD4cHetanC Zkp1ElpQ==; Received: from [2001:8b0:10b:1::ebe] (helo=i7.infradead.org) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1r05fZ-007taC-BY; Mon, 06 Nov 2023 19:53:58 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96.2 #2 (Red Hat Linux)) id 1r05fZ-001GMj-1Z; Mon, 06 Nov 2023 19:53:57 +0000 From: David Woodhouse To: qemu-devel@nongnu.org Cc: Richard Henderson , Beniamino Galvani , Peter Maydell , Strahinja Jankovic , Niek Linnenbank , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Andrew Jeffery , Joel Stanley , Igor Mitsyanko , Jean-Christophe Dubois , Andrey Smirnov , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Rob Herring , Subbaraya Sundeep , Jan Kiszka , Tyrone Ting , Hao Wu , Radoslaw Biernacki , Leif Lindholm , Marcin Juszkiewicz , "Edgar E. Iglesias" , Alistair Francis , Helge Deller , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Eduardo Habkost , Song Gao , Thomas Huth , Laurent Vivier , Huacai Chen , Jiaxun Yang , =?utf-8?q?Herv=C3=A9_Poussineau?= , Aleksandar Rikalo , Aurelien Jarno , Jason Wang , Jia Liu , Stafford Horne , Mark Cave-Ayland , Nicholas Piggin , Daniel Henrique Barboza , David Gibson , Harsh Prateek Bora , Bin Meng , Palmer Dabbelt , Weiwei Li , Liu Zhiwei , David Hildenbrand , Ilya Leoshkevich , Halil Pasic , Christian Borntraeger , Eric Farman , Yoshinori Sato , Magnus Damm , Artyom Tarasenko , Stefano Stabellini , Anthony Perard , Paul Durrant , Max Filippov , qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org, xen-devel@lists.xenproject.org Subject: [PATCH for-8.3 v2 03/46] net: add qemu_create_nic_bus_devices() Date: Mon, 6 Nov 2023 19:49:08 +0000 Message-ID: <20231106195352.301038-4-dwmw2@infradead.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231106195352.301038-1-dwmw2@infradead.org> References: <20231106195352.301038-1-dwmw2@infradead.org> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+7ad6dfa9aff48d363c6b+7379+infradead.org+dwmw2@casper.srs.infradead.org; helo=casper.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 From: David Woodhouse This will instantiate any NICs which live on a given bus type. Each bus is allowed *one* substitution (for PCI it's virtio → virtio-net-pci, for Xen it's xen → xen-net-device; no point in overengineering it unless we actually want more). Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- include/net/net.h | 3 +++ net/net.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 56be694c75..ce830a47d0 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -211,6 +211,9 @@ bool qemu_configure_nic_device(DeviceState *dev, bool match_default, const char *alias); DeviceState *qemu_create_nic_device(const char *typename, bool match_default, const char *alias); +void qemu_create_nic_bus_devices(BusState *bus, const char *parent_type, + const char *default_model, + const char *alias, const char *alias_target); void print_net_client(Monitor *mon, NetClientState *nc); void net_socket_rs_init(SocketReadState *rs, SocketReadStateFinalize *finalize, diff --git a/net/net.c b/net/net.c index 807220e630..73621795cb 100644 --- a/net/net.c +++ b/net/net.c @@ -1208,6 +1208,59 @@ DeviceState *qemu_create_nic_device(const char *typename, bool match_default, return dev; } +void qemu_create_nic_bus_devices(BusState *bus, const char *parent_type, + const char *default_model, + const char *alias, const char *alias_target) +{ + GPtrArray *nic_models = qemu_get_nic_models(parent_type); + const char *model; + DeviceState *dev; + NICInfo *nd; + int i; + + if (nic_model_help) { + if (alias_target) { + add_nic_model_help(alias_target, alias); + } + for (i = 0; i < nic_models->len - 1; i++) { + add_nic_model_help(nic_models->pdata[i], NULL); + } + } + + /* Drop the NULL terminator which would make g_str_equal() unhappy */ + nic_models->len--; + + for (i = 0; i < nb_nics; i++) { + nd = &nd_table[i]; + + if (!nd->used || nd->instantiated) { + continue; + } + + model = nd->model ? nd->model : default_model; + if (!model) { + continue; + } + + /* Each bus type is allowed *one* substitution */ + if (g_str_equal(model, alias)) { + model = alias_target; + } + + if (!g_ptr_array_find_with_equal_func(nic_models, model, + g_str_equal, NULL)) { + /* This NIC does not live on this bus. */ + continue; + } + + dev = qdev_new(model); + qdev_set_nic_properties(dev, nd); + qdev_realize_and_unref(dev, bus, &error_fatal); + } + + g_ptr_array_free(nic_models, true); +} + static int (* const net_client_init_fun[NET_CLIENT_DRIVER__MAX])( const Netdev *netdev, const char *name,