From patchwork Sun Oct 22 15:51:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 1853297 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=fnKS23KV; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SD31n0GQHz202k for ; Mon, 23 Oct 2023 03:00:13 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qualS-00056I-Re; Sun, 22 Oct 2023 11:53:18 -0400 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 1quakr-0004lc-HQ; Sun, 22 Oct 2023 11:52:42 -0400 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 1quako-0008WQ-H5; Sun, 22 Oct 2023 11:52:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=jiJokkAd+xFdnQ5u2oAofZ5wGwg1JXjEJQz9TEy2l7Q=; b=fnKS23KVp+Jq2Us1+mVC4C7LWL 9TTKXsX/mF6OW9aMxjPdN8+8QgpNwBOYNiYFv7Npnyv9hTrJqnwnWlP56lTrGNkm4PAeXyLg9wc7j wjo6qfGtVVFdhLQEMVbUfXTaVlMvXVeIJM9FuPSXahJw2JdhiARnBGsmBtyxaPgiYjNDdSEbmDQA6 Wi2mTu4FfszMUQDsybU9Iuuzfp23oThWzCRzGBKaMAag0YT3a/oMrz9gbNq0BCkJYP6YqG0wz2ssi UWSyOGQK79+yF+C2h03XsEzHER1t/zSjKOPruuHqSAt/JJgrHz+3K9MSDb0KIe0qHFjlp4984OPdN LJTUIo1A==; 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 1quakH-008TGE-6H; Sun, 22 Oct 2023 15:52:05 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1quakG-001qYJ-2G; Sun, 22 Oct 2023 16:52:04 +0100 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 , 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 02/45] net: report list of available models according to platform Date: Sun, 22 Oct 2023 16:51:17 +0100 Message-Id: <20231022155200.436340-3-dwmw2@infradead.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231022155200.436340-1-dwmw2@infradead.org> References: <20231022155200.436340-1-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+88d8721f4af1339c2fab+7364+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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@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-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: David Woodhouse By noting the models for which a configuration was requested, we can give the user an accurate list of which NIC models were actually available on the platform/configuration that was otherwise chosen. Signed-off-by: David Woodhouse --- net/net.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/net/net.c b/net/net.c index 606816a3b3..6e20f9d2e9 100644 --- a/net/net.c +++ b/net/net.c @@ -75,6 +75,8 @@ typedef QSIMPLEQ_HEAD(, NetdevQueueEntry) NetdevQueue; static NetdevQueue nd_queue = QSIMPLEQ_HEAD_INITIALIZER(nd_queue); +static GHashTable *nic_model_help; + /***********************************************************/ /* network device redirectors */ @@ -1072,12 +1074,94 @@ static int net_init_nic(const Netdev *netdev, const char *name, return idx; } +static gboolean add_nic_result(gpointer key, gpointer value, gpointer user_data) +{ + GPtrArray *results = user_data; + GPtrArray *alias_list = value; + const char *model = key; + char *result; + + if (!alias_list) { + result = g_strdup(model); + } else { + GString *result_str = g_string_new(model); + int i; + + g_string_append(result_str, " (aka "); + for (i = 0; i < alias_list->len; i++) { + if (i) { + g_string_append(result_str, ", "); + } + g_string_append(result_str, alias_list->pdata[i]); + } + g_string_append(result_str, ")"); + result = result_str->str; + g_string_free(result_str, false); + g_ptr_array_unref(alias_list); + } + g_ptr_array_add(results, result); + return true; +} + +static int model_cmp(char **a, char **b) +{ + return strcmp(*a, *b); +} + +static void show_nic_models(void) +{ + GPtrArray *results = g_ptr_array_new(); + int i; + + g_hash_table_foreach_remove(nic_model_help, add_nic_result, results); + g_ptr_array_sort(results, (GCompareFunc)model_cmp); + + printf("Available NIC models for this configuration:\n"); + for (i = 0 ; i < results->len; i++) { + printf("%s\n", (char *)results->pdata[i]); + } + g_hash_table_unref(nic_model_help); + nic_model_help = NULL; +} + +static void add_nic_model_help(const char *model, const char *alias) +{ + GPtrArray *alias_list = NULL; + + if (g_hash_table_lookup_extended(nic_model_help, model, NULL, + (gpointer *)&alias_list)) { + /* Already exists, no alias to add: return */ + if (!alias) { + return; + } + if (alias_list) { + /* Check if this alias is already in the list. Add if not. */ + if (!g_ptr_array_find_with_equal_func(alias_list, alias, + g_str_equal, NULL)) { + g_ptr_array_add(alias_list, g_strdup(alias)); + } + return; + } + } + /* Either this model wasn't in the list already, or a first alias added */ + if (alias) { + alias_list = g_ptr_array_new(); + g_ptr_array_set_free_func(alias_list, g_free); + g_ptr_array_add(alias_list, g_strdup(alias)); + } + g_hash_table_replace(nic_model_help, g_strdup(model), alias_list); +} + NICInfo *qemu_find_nic_info(const char *typename, bool match_default, const char *alias) { NICInfo *nd; int i; + if (nic_model_help) { + add_nic_model_help(typename, alias); + } + for (i = 0; i < nb_nics; i++) { nd = &nd_table[i]; @@ -1590,6 +1674,10 @@ void net_check_clients(void) NetClientState *nc; int i; + if (nic_model_help) { + show_nic_models(); + exit(0); + } net_hub_check_clients(); QTAILQ_FOREACH(nc, &net_clients, next) { @@ -1669,6 +1757,12 @@ static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp) memset(ni, 0, sizeof(*ni)); ni->model = qemu_opt_get_del(opts, "model"); + if (!nic_model_help && !g_strcmp0(ni->model, "help")) { + nic_model_help = g_hash_table_new_full(g_str_hash, g_str_equal, + g_free, NULL); + return 0; + } + /* Create an ID if the user did not specify one */ nd_id = g_strdup(qemu_opts_id(opts)); if (!nd_id) {