From patchwork Wed Oct 25 14:50:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 1855123 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=wVLFRJGQ; 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-devel-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 4SFsPX1rrJz23jn for ; Thu, 26 Oct 2023 01:53:36 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qvfEC-0005Du-Au; Wed, 25 Oct 2023 10:51:25 -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 1qvfDu-00059t-3F; Wed, 25 Oct 2023 10:51:06 -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 1qvfDo-00075j-95; Wed, 25 Oct 2023 10:51:05 -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=W3zMp4SVis8Wv7C4rIvkdlKc8TVg4WhmG+yeqSWM84w=; b=wVLFRJGQmZRYbF38D2mJVDI4T1 J2sT8KM4AN8l2FtLiNVMEXxXJ6L5Kc0mjz9IBlRZm7hC6RBF5LH04we+oKtfcBSC0ii2kD5aymOHI r1+vIfiElRK7jws52xiLwzEQ28bodju9NIvkGjA5n4KIu1mF7zVr/HbatbjmspO0ljpnoSrwX6qHb fo02p3GSOYLaJysuyXhDThtmYiVYkUMryRS1gCn1+iInl4NGo33AqT9sIrSXuMu+cAa3Z7DlvWJV1 6MXQwPSJ9BURTPIDSyk3QuQUxMa5405mqSg3h5s9Cn5yCcCW2oQEWqqnBAzDUjfCts1QRNvEq0LjD gPBOVUtw==; 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 1qvfDa-009Nmu-1W; Wed, 25 Oct 2023 14:50:46 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qvfDZ-002dFl-2Q; Wed, 25 Oct 2023 15:50:45 +0100 From: David Woodhouse To: qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Stefano Stabellini , Anthony Perard , Paul Durrant , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , "Michael S. Tsirkin" , Marcel Apfelbaum , Richard Henderson , Eduardo Habkost , Jason Wang , Marcelo Tosatti , qemu-block@nongnu.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Bernhard Beschow , Joel Upham Subject: [PATCH v3 26/28] hw/i386/pc: use qemu_get_nic_info() and pci_init_nic_devices() Date: Wed, 25 Oct 2023 15:50:40 +0100 Message-Id: <20231025145042.627381-27-dwmw2@infradead.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231025145042.627381-1-dwmw2@infradead.org> References: <20231025145042.627381-1-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+85b1c44ac99574f3713d+7367+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-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: David Woodhouse Eliminate direct access to nd_table[] and nb_nics by processing the the ISA NICs first and then calling pci_init_nic_devices() for the test. It's important to do this *before* the subsequent patch which registers the Xen PV network devices, because the code being remove here didn't check whether nd->instantiated was already set before using each entry. Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- hw/i386/pc.c | 21 +++++++++++---------- include/hw/net/ne2000-isa.h | 2 -- 2 files changed, 11 insertions(+), 12 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 11fed78d17..7d2ae2b3d7 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -652,8 +652,11 @@ static void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd) { static int nb_ne2k = 0; - if (nb_ne2k == NE2000_NB_MAX) + if (nb_ne2k == NE2000_NB_MAX) { + error_setg(&error_fatal, + "maximum number of ISA NE2000 devices exceeded"); return; + } isa_ne2000_init(bus, ne2000_io[nb_ne2k], ne2000_irq[nb_ne2k], nd); nb_ne2k++; @@ -1294,19 +1297,17 @@ void pc_basic_device_init(struct PCMachineState *pcms, void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus) { MachineClass *mc = MACHINE_CLASS(pcmc); - int i; + bool default_is_ne2k = g_str_equal(mc->default_nic, TYPE_ISA_NE2000); + NICInfo *nd; rom_set_order_override(FW_CFG_ORDER_OVERRIDE_NIC); - for (i = 0; i < nb_nics; i++) { - NICInfo *nd = &nd_table[i]; - const char *model = nd->model ? nd->model : mc->default_nic; - if (g_str_equal(model, "ne2k_isa")) { - pc_init_ne2k_isa(isa_bus, nd); - } else { - pci_nic_init_nofail(nd, pci_bus, model, NULL); - } + while ((nd = qemu_find_nic_info(TYPE_ISA_NE2000, default_is_ne2k, NULL))) { + pc_init_ne2k_isa(isa_bus, nd); } + + pci_init_nic_devices(pci_bus, mc->default_nic); + rom_reset_order_override(); } diff --git a/include/hw/net/ne2000-isa.h b/include/hw/net/ne2000-isa.h index af59ee0b02..73bae10ad1 100644 --- a/include/hw/net/ne2000-isa.h +++ b/include/hw/net/ne2000-isa.h @@ -22,8 +22,6 @@ static inline ISADevice *isa_ne2000_init(ISABus *bus, int base, int irq, { ISADevice *d; - qemu_check_nic_model(nd, "ne2k_isa"); - d = isa_try_new(TYPE_ISA_NE2000); if (d) { DeviceState *dev = DEVICE(d);