From patchwork Sun Oct 22 15:51:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 1853240 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=desiato.20200630 header.b=TH0DfNv+; 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 4SD2wT6cJjz1ygT for ; Mon, 23 Oct 2023 02:55:37 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quali-0005fO-BS; Sun, 22 Oct 2023 11:53:34 -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 1qual4-0004rZ-UE; Sun, 22 Oct 2023 11:52:55 -0400 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qual0-0000Af-1v; Sun, 22 Oct 2023 11:52:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=9qWbK+XlQ4g+snp8vZ6Q76nLv7WCuuiJelCPcWERw+E=; b=TH0DfNv+/GkrIUofo1aPAcDDb4 PG7p3nn76qfe5trIKXpIKgCOdMA7VCkEXLmPHf6YAhBLZiWfHtUY5SMAmXIeAltfrEMfIpKFBvNh0 BqfK3W7wLO8py6AAGGLc7xbtTtbVmZFiiaUPKaqvFT/MVb6qkqawlYDRoO3ivslXPp34+KDjV9dVj V1E7zn3zD3cZZQ4Af7UTo4anky3ZvbSDaeyCXNX/Yvjb2mqXqGofbI/DtnGjKPYVUqliSPUjUxOki AQOrEbXCu2H7uV9fodBW1G6PursGXHXvyzoxZFEOvfq9MqMmuizPfSimjBbTRs28WxLdc+BeHmnyS Co3VHILg==; Received: from [2001:8b0:10b:1::ebe] (helo=i7.infradead.org) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1quakI-00DCmi-0T; Sun, 22 Oct 2023 15:52:10 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1quakG-001qYR-2u; 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 04/45] hw/pci: add pci_init_nic_devices(), pci_init_nic_in_slot() Date: Sun, 22 Oct 2023 16:51:19 +0100 Message-Id: <20231022155200.436340-5-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 desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+fd6248c3715d1825373b+7364+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.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 The loop over nd_table[] to add PCI NICs is repeated in quite a few places. Add a helper function to do it. Some platforms also try to instantiate a specific model in a specific slot, to match the real hardware. Add pci_init_nic_in_slot() for that purpose. Signed-off-by: David Woodhouse --- hw/pci/pci.c | 45 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/pci/pci.h | 4 +++- 2 files changed, 48 insertions(+), 1 deletion(-) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index b0d21bf43a..904f189d30 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1932,6 +1932,51 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus, return pci_dev; } +void pci_init_nic_devices(PCIBus *bus, const char *default_model) +{ + qemu_create_nic_bus_devices(&bus->qbus, TYPE_PCI_DEVICE, default_model, + "virtio", "virtio-net-pci"); +} + +bool pci_init_nic_in_slot(PCIBus *rootbus, const char *model, + const char *alias, const char *devaddr) +{ + NICInfo *nd = qemu_find_nic_info(model, true, alias); + int dom, busnr, devfn; + PCIDevice *pci_dev; + unsigned slot; + PCIBus *bus; + + if (!nd) { + return false; + } + + if (!devaddr || pci_parse_devaddr(devaddr, &dom, &busnr, &slot, NULL) < 0) { + error_report("Invalid PCI device address %s for device %s", + devaddr, model); + exit(1); + } + + if (dom != 0) { + error_report("No support for non-zero PCI domains"); + exit(1); + } + + devfn = PCI_DEVFN(slot, 0); + + bus = pci_find_bus_nr(rootbus, busnr); + if (!bus) { + error_report("Invalid PCI device address %s for device %s", + devaddr, model); + exit(1); + } + + pci_dev = pci_new(devfn, model); + qdev_set_nic_properties(&pci_dev->qdev, nd); + pci_realize_and_unref(pci_dev, bus, &error_fatal); + return true; +} + PCIDevice *pci_vga_init(PCIBus *bus) { vga_interface_created = true; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index b70a0b95ff..76d3ddab25 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -320,7 +320,9 @@ void pci_device_reset(PCIDevice *dev); PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus, const char *default_model, const char *default_devaddr); - +void pci_init_nic_devices(PCIBus *bus, const char *default_model); +bool pci_init_nic_in_slot(PCIBus *rootbus, const char *default_model, + const char *alias, const char *devaddr); PCIDevice *pci_vga_init(PCIBus *bus); static inline PCIBus *pci_get_bus(const PCIDevice *dev)