From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3DD24C11F66 for ; Tue, 13 Jul 2021 02:55:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E4326100B for ; Tue, 13 Jul 2021 02:55:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234061AbhGMC6A (ORCPT ); Mon, 12 Jul 2021 22:58:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234043AbhGMC56 (ORCPT ); Mon, 12 Jul 2021 22:57:58 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6EEFC0613DD for ; Mon, 12 Jul 2021 19:55:09 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id d1so5113631plg.0 for ; Mon, 12 Jul 2021 19:55:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=x0Ksi9PRt4mrd/JIujX8i3+8flQYtHwm36Rm4DgFGtg=; b=VB/TVSa+0erdImiVKnK59BcEhIuFoMyKClow/e6MIYz0p1xRdZw1/CagzQtxIet/Su 8rIl79udcybxa9zyj7h696A4Cx5OUJHyRpsWh8MigWpSSXnFHqwyuEtQlcp75WVnJ30r rco2DXtRB82OxVRmpMDrQDuOV95mDzl1WLpoe6iggkZ0rQjnEbNqSG1gHXJZwalyq3r7 IBvZipl3yjw5Is5riMgCVL/Dww/cdjmJJ5BSqEjLALpFpzn0YMCE9FNNq0uKMKmJQNQY t0NTiv8R4rJ927rHeBq6BbLdKMfYWQ1iznOgMG8wrC8X6HkWEFmHrpjkfOmhqVsoFLlv 6vOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=x0Ksi9PRt4mrd/JIujX8i3+8flQYtHwm36Rm4DgFGtg=; b=A/xV94tQB2tzNRknW3jzuauS4ZAd47dnvJJwc3B+EzmacDHzvWMkWK/5CmBMBCeV3z 0qoHCkuYXiCwdXJsfNUpLne6lRrAp/vbPPINMbb4/sQ/TO9Ne+HJ3QaG4312AZ7Qlknu AJV+EP+ETsA6vq5kFk2JPx8+TbMMybVkD2OGt508uuUtK1r5QXYJBwYobBVGeAOpEMX5 ot6Qt6ux40horaoiBlWFJPBNAjgxD1a0sALUmikXW0nPydBl1dFsyQeRrjxfwTnzK79Y H6gRviw6mvHCoD/L59kWUYDLItgkOxZASD408dwitQHrmsU1TP8inJgDdN+Ii+1RVGzL joAA== X-Gm-Message-State: AOAM533A26NLrLq2AeJQUbqxpUfEAEDPhUtXt2bnS3GzvMsQ/4/3rvzB cfnddmXD6+NueS7Vj3+1GMwbwA== X-Google-Smtp-Source: ABdhPJwBrrWb3C7wUXb/62VCJmxTZpswwVdd0IjoLoA/8yiXi4EnQP5kPu51WG8vFoERwQhyi0OptA== X-Received: by 2002:a17:902:bd04:b029:11f:d602:56f3 with SMTP id p4-20020a170902bd04b029011fd60256f3mr1713341pls.33.1626144909416; Mon, 12 Jul 2021 19:55:09 -0700 (PDT) Received: from localhost.localdomain ([45.135.186.134]) by smtp.gmail.com with ESMTPSA id r14sm19303344pgm.28.2021.07.12.19.55.02 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Jul 2021 19:55:08 -0700 (PDT) From: Zhangfei Gao To: Bjorn Helgaas , Greg Kroah-Hartman , Arnd Bergmann , jean-philippe , kenneth-lee-2012@foxmail.com, Wangzhou Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Zhangfei Gao Subject: [PATCH v5 2/3] PCI: Add a quirk to set pasid_no_tlp for HiSilicon chips Date: Tue, 13 Jul 2021 10:54:35 +0800 Message-Id: <1626144876-11352-3-git-send-email-zhangfei.gao@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1626144876-11352-1-git-send-email-zhangfei.gao@linaro.org> References: <1626144876-11352-1-git-send-email-zhangfei.gao@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are actually on the AMBA bus. These fake PCI devices have PASID capability though not supporting TLP. Add a quirk to set pasid_no_tlp for these devices. Signed-off-by: Zhangfei Gao Signed-off-by: Jean-Philippe Brucker Signed-off-by: Zhou Wang --- drivers/pci/quirks.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6d74386..5d46ac6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1821,6 +1821,20 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7525_MCH, quir DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_HUAWEI, 0x1610, PCI_CLASS_BRIDGE_PCI, 8, quirk_pcie_mch); +static void quirk_huawei_pcie_sva(struct pci_dev *pdev) +{ + if (pdev->revision != 0x21 && pdev->revision != 0x30) + return; + + pdev->pasid_no_tlp = 1; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa250, quirk_huawei_pcie_sva); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa251, quirk_huawei_pcie_sva); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa255, quirk_huawei_pcie_sva); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa256, quirk_huawei_pcie_sva); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa258, quirk_huawei_pcie_sva); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI, 0xa259, quirk_huawei_pcie_sva); + /* * It's possible for the MSI to get corrupted if SHPC and ACPI are used * together on certain PXH-based systems. -- 2.7.4