From patchwork Tue Nov 1 14:55:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akihiko Odaki X-Patchwork-Id: 1697776 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org 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+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=daynix-com.20210112.gappssmtp.com header.i=@daynix-com.20210112.gappssmtp.com header.a=rsa-sha256 header.s=20210112 header.b=6/8rYbPh; dkim-atps=neutral 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 4N1vHY52KHz23lC for ; Wed, 2 Nov 2022 02:35:51 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1opshU-0006yM-EM; Tue, 01 Nov 2022 10:57:13 -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 1opshM-0006xz-Iz for qemu-devel@nongnu.org; Tue, 01 Nov 2022 10:57:04 -0400 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1opshH-0003g4-67 for qemu-devel@nongnu.org; Tue, 01 Nov 2022 10:57:04 -0400 Received: by mail-pg1-x532.google.com with SMTP id b62so3255816pgc.0 for ; Tue, 01 Nov 2022 07:56:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dpo6n2hrbH1mZn2Y9zZLhLlSIknwAt4BWgFmC5zyLK4=; b=6/8rYbPhQPpz+2fbbskvWlxCrtJHQv54/udraoGU3PxTwI3G5CSSQFiARbp50HVTY+ Kdupfj+dbhGY3uN0txQUDXhOdXHFa7AqpJ6WdgCpZQcLku4jSZsqeA9JJJnd3nKVa/Oh CD60wgj2XnOmGJQZfy/yLy/f08/Uv7WM36hNUClFLET99jxO2u1xPuQTyY/raItBwfoD 7gQ3/8sxylOuQzFBV1ZETBOUp2E6CjPnV/tSi2Zw7bEnwvGGM9zG4czhKFpf3fghOu6x Q02RFJT7/WP+ZaYZTFw7O7pYxtEr9CJmVjAnK57fOiYGEyUbv4hDbv0ofY4KvrSwKuNc gIqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dpo6n2hrbH1mZn2Y9zZLhLlSIknwAt4BWgFmC5zyLK4=; b=il0VYagfbDs5rnS/tcGHvlFHaW9PxgMRyl09Pg9MBEBi3ZrBSMtOl9Tm6ctBC+b8Wp oezBFe9tXAhJw6nex74bUrXBb4WgwZnyiKRp829CLvB0ujhHyMQRrHz+yYyqkHvGDpvy 6aSY/bN61XtoHIFuyZOc1GUg9jS/5INFqUgUoMwFY87gllW7jutxU0qRZcJK45DJSMew 9sKIzcqZ7TQl98aXwviRON7YR280qTBW0rTzavGeUi8orr/qMGeaYQVLc5nwCAqkeCmd y429svx/P3of+h7HenzLsJyNtRYB3DvPK/kSVE9O+2eFuG/ZZ8LAup81n40eF/gOHLUY OGPA== X-Gm-Message-State: ACrzQf0y9ndJvK6hd5+wYataQEaFJgQP1EgmJ1bv1L5xayacO1CMRYix IbbyC1vBNvRV2/JuQEtb9Sf+RjMwjgfiaYRr X-Google-Smtp-Source: AMsMyM5t/SFUu7a4eumaoQrHMogBpDlo5I/Dou1PdxdFHls0C+xWQ4frW+/7E8njHh6Xx2CRoXlYhQ== X-Received: by 2002:a05:6a00:27a0:b0:566:9cd9:3843 with SMTP id bd32-20020a056a0027a000b005669cd93843mr20167177pfb.17.1667314616263; Tue, 01 Nov 2022 07:56:56 -0700 (PDT) Received: from fedora.flets-east.jp ([2400:4050:c360:8200:8ae8:3c4:c0da:7419]) by smtp.gmail.com with ESMTPSA id 22-20020a631656000000b0046f9f4a2de6sm4783219pgw.74.2022.11.01.07.56.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Nov 2022 07:56:55 -0700 (PDT) From: Akihiko Odaki To: Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, qemu-arm@nongnu.org, "Michael S . Tsirkin" , Marcel Apfelbaum , Gerd Hoffmann , Paolo Bonzini , Richard Henderson , Eduardo Habkost , John Snow , Dmitry Fleytman , Jason Wang , Stefan Weil , Keith Busch , Klaus Jensen , Peter Maydell , Andrey Smirnov , Paul Burton , Aleksandar Rikalo , Yan Vugenfirer , Yuri Benditovich , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= , Akihiko Odaki Subject: [PATCH v9 09/17] hw/pci/pci_bridge: Omit errp for pci_add_capability Date: Tue, 1 Nov 2022 23:55:50 +0900 Message-Id: <20221101145558.3998-10-akihiko.odaki@daynix.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221101145558.3998-1-akihiko.odaki@daynix.com> References: <20221101145558.3998-1-akihiko.odaki@daynix.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::532; envelope-from=akihiko.odaki@daynix.com; helo=mail-pg1-x532.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=unavailable 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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org+incoming=patchwork.ozlabs.org@nongnu.org Omitting errp for pci_add_capability() causes it to abort if capabilities overlap. A caller of pci_bridge_ssvid_init(), which calls pci_add_capability() in turn, is expected to ensure that will not happen. Signed-off-by: Akihiko Odaki --- include/hw/pci/pci_bridge.h | 5 ++--- hw/pci-bridge/i82801b11.c | 14 ++------------ hw/pci-bridge/pcie_root_port.c | 7 +------ hw/pci-bridge/xio3130_downstream.c | 8 ++------ hw/pci-bridge/xio3130_upstream.c | 8 ++------ hw/pci/pci_bridge.c | 21 ++++++--------------- 6 files changed, 15 insertions(+), 48 deletions(-) diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h index ba4bafac7c..e499482972 100644 --- a/include/hw/pci/pci_bridge.h +++ b/include/hw/pci/pci_bridge.h @@ -101,9 +101,8 @@ typedef struct PXBDev PXBDev; DECLARE_INSTANCE_CHECKER(PXBDev, PXB_CXL_DEV, TYPE_PXB_CXL_DEVICE) -int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset, - uint16_t svid, uint16_t ssid, - Error **errp); +void pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset, + uint16_t svid, uint16_t ssid); PCIDevice *pci_bridge_get_device(PCIBus *bus); PCIBus *pci_bridge_get_sec_bus(PCIBridge *br); diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c index f28181e210..f45dcdbacc 100644 --- a/hw/pci-bridge/i82801b11.c +++ b/hw/pci-bridge/i82801b11.c @@ -61,21 +61,11 @@ typedef struct I82801b11Bridge { static void i82801b11_bridge_realize(PCIDevice *d, Error **errp) { - int rc; - pci_bridge_initfn(d, TYPE_PCI_BUS); - rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET, - I82801ba_SSVID_SVID, I82801ba_SSVID_SSID, - errp); - if (rc < 0) { - goto err_bridge; - } + pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET, + I82801ba_SSVID_SVID, I82801ba_SSVID_SSID); pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB); - return; - -err_bridge: - pci_bridge_exitfn(d); } static const VMStateDescription i82801b11_bridge_dev_vmstate = { diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c index 460e48269d..a9d8c2adb4 100644 --- a/hw/pci-bridge/pcie_root_port.c +++ b/hw/pci-bridge/pcie_root_port.c @@ -74,12 +74,7 @@ static void rp_realize(PCIDevice *d, Error **errp) } pcie_port_init_reg(d); - rc = pci_bridge_ssvid_init(d, rpc->ssvid_offset, dc->vendor_id, - rpc->ssid, errp); - if (rc < 0) { - error_append_hint(errp, "Can't init SSV ID, error %d\n", rc); - goto err_bridge; - } + pci_bridge_ssvid_init(d, rpc->ssvid_offset, dc->vendor_id, rpc->ssid); if (rpc->interrupts_init) { rc = rpc->interrupts_init(d, errp); diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c index 05e2b06c0c..eea3d3a2df 100644 --- a/hw/pci-bridge/xio3130_downstream.c +++ b/hw/pci-bridge/xio3130_downstream.c @@ -81,12 +81,8 @@ static void xio3130_downstream_realize(PCIDevice *d, Error **errp) goto err_bridge; } - rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET, - XIO3130_SSVID_SVID, XIO3130_SSVID_SSID, - errp); - if (rc < 0) { - goto err_msi; - } + pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET, + XIO3130_SSVID_SVID, XIO3130_SSVID_SSID); rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_DOWNSTREAM, p->port, errp); diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c index 5ff46ef050..d954906d79 100644 --- a/hw/pci-bridge/xio3130_upstream.c +++ b/hw/pci-bridge/xio3130_upstream.c @@ -71,12 +71,8 @@ static void xio3130_upstream_realize(PCIDevice *d, Error **errp) goto err_bridge; } - rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET, - XIO3130_SSVID_SVID, XIO3130_SSVID_SSID, - errp); - if (rc < 0) { - goto err_msi; - } + pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET, + XIO3130_SSVID_SVID, XIO3130_SSVID_SSID); rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_UPSTREAM, p->port, errp); diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c index da34c8ebcd..30032fed64 100644 --- a/hw/pci/pci_bridge.c +++ b/hw/pci/pci_bridge.c @@ -42,21 +42,15 @@ #define PCI_SSVID_SVID 4 #define PCI_SSVID_SSID 6 -int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset, - uint16_t svid, uint16_t ssid, - Error **errp) +void pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset, + uint16_t svid, uint16_t ssid) { - int pos; + uint8_t pos; - pos = pci_add_capability(dev, PCI_CAP_ID_SSVID, offset, - PCI_SSVID_SIZEOF, errp); - if (pos < 0) { - return pos; - } + pos = pci_add_capability(dev, PCI_CAP_ID_SSVID, offset, PCI_SSVID_SIZEOF); pci_set_word(dev->config + pos + PCI_SSVID_SVID, svid); pci_set_word(dev->config + pos + PCI_SSVID_SSID, ssid); - return pos; } /* Accessor function to get parent bridge device from pci bus. */ @@ -455,11 +449,8 @@ int pci_bridge_qemu_reserve_cap_init(PCIDevice *dev, int cap_offset, .mem_pref_64 = cpu_to_le64(res_reserve.mem_pref_64) }; - int offset = pci_add_capability(dev, PCI_CAP_ID_VNDR, - cap_offset, cap_len, errp); - if (offset < 0) { - return offset; - } + uint8_t offset = pci_add_capability(dev, PCI_CAP_ID_VNDR, + cap_offset, cap_len); memcpy(dev->config + offset + PCI_CAP_FLAGS, (char *)&cap + PCI_CAP_FLAGS,