From patchwork Mon Jan 8 20:26:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 13514060 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 8BDC7C3DA6E for ; Mon, 8 Jan 2024 21:02:00 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.664005.1034096 (Exim 4.92) (envelope-from ) id 1rMwkr-0001M3-1j; Mon, 08 Jan 2024 21:01:53 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 664005.1034096; Mon, 08 Jan 2024 21:01:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rMwkq-0001Lw-Un; Mon, 08 Jan 2024 21:01:52 +0000 Received: by outflank-mailman (input) for mailman id 664005; Mon, 08 Jan 2024 21:01:52 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rMwaU-0000R5-UQ for xen-devel@lists.xenproject.org; Mon, 08 Jan 2024 20:51:10 +0000 Received: from casper.infradead.org (casper.infradead.org [2001:8b0:10b:1236::1]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id a69f7a23-ae67-11ee-98ef-6d05b1d4d9a1; Mon, 08 Jan 2024 21:51:10 +0100 (CET) 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 1rMwYh-008RPJ-Rw; Mon, 08 Jan 2024 20:49:21 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96.2 #2 (Red Hat Linux)) id 1rMwYi-002NE7-1o; Mon, 08 Jan 2024 20:49:20 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list X-Inumbo-ID: a69f7a23-ae67-11ee-98ef-6d05b1d4d9a1 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=i9hItWZfcWRTcka7itvIlVb3WzSdfcm/EF0MHLcxS00=; b=lTWq40DtjMn5XQVuUn8loyzT0I Pc1dg2yoA4UmhPLL2kSU//9y526qQpcf2MD3IkIaBHwJzIpLsMgl0wL2zb2LAnjSYOFuwoEpDpMIi 4Y8xUUJkE5sVfxJ8w3eE32+YCLVVlqscgNqIneZyfnd3rYGgXZgi9v2A+4E4C9xhfYmhO0/7xCnZj yxjkYTwbtPfAt+8hwWWuc+w4Go86FzyA7R8XHvZOH9/1uj2NQ8D8rmMG1hU698KD8Wt/gpUL1b0ZH vxKRNqZJHpxTFTnb/LxIiBOtGBFQ/VCNCrFugC4P+ZyxRUTxb4atUX2SUHmH6bFfLtqf/jCw6w0Wv 8WOpWVug==; 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 , Paolo Bonzini , Eduardo Habkost , "Michael S. Tsirkin" , Marcel Apfelbaum , 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 , Halil Pasic , Christian Borntraeger , Eric Farman , David Hildenbrand , Ilya Leoshkevich , 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, David Woodhouse Subject: [PATCH v3 03/46] net: add qemu_create_nic_bus_devices() Date: Mon, 8 Jan 2024 20:26:32 +0000 Message-ID: <20240108204909.564514-4-dwmw2@infradead.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240108204909.564514-1-dwmw2@infradead.org> References: <20240108204909.564514-1-dwmw2@infradead.org> MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html 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 Reviewed-by: Thomas Huth --- 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 25ea83fd12..31e63d1f0d 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -213,6 +213,9 @@ 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 962904eaef..4651b3f443 100644 --- a/net/net.c +++ b/net/net.c @@ -1223,6 +1223,59 @@ 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,