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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1F93C4167B for ; Mon, 12 Dec 2022 14:25:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232290AbiLLOZU (ORCPT ); Mon, 12 Dec 2022 09:25:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232252AbiLLOZT (ORCPT ); Mon, 12 Dec 2022 09:25:19 -0500 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 399991146F for ; Mon, 12 Dec 2022 06:25:18 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id b24-20020a05600c4a9800b003d21efdd61dso3777517wmp.3 for ; Mon, 12 Dec 2022 06:25:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=solid-run-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=52hahNbuRY46XgQIVISXaE7JbKxYGWL9g99K9Ci+IBU=; b=xjna6vofYa36kDqm1KkQaqL6P7ic6GSEwQLiVUkL46IvkvCEQQIB9pCZGgtOVydMBF MbR+H12gasTuiTOlTWuj/Wb8F2gmE77a9yCFyjVrWXHccQZF/t7ZbEJ00uLlNSyxXc2p PGh+Ljh8QkuQIP1XqHo0d6gE8gdkMP0TR7tqdvu2pX7Xnh/2rwleOgybj3CoH1ZZ8XZ4 N0JJR4DDvrp3dO4SxJS96Fr94Z1bkr+7+sneinQNGEOBuTwunSFkfaztSdYYTItaTaNj ycylFAHMG87FbbBerCACG0TjYaZUlOgnqd0OEkxKDG8v630n5bQuOuuBxBF06ILNtKnZ 1vvg== 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=52hahNbuRY46XgQIVISXaE7JbKxYGWL9g99K9Ci+IBU=; b=bzSuveQJ4I8AhznojfROXGBil5qatEjVlJLMZ4Suz2zhN+kdXy/ZZcCsWhV3F/HZ7h yo+YJwEUQFWfzyEVpsmxtzFABE/7AbPGBYrgr/UKvOhY0H+wdY8Dzrz3JgDFdgVwDgNb gVBYHY0seirkFXjEdG9KROl5RWWLWIVCxL516clj6RVPq4Uo1+3s2oZrFzBKVnZlL6YD 6ygk7I+yMXKJo1g9+SxEHuYiaxms8pGiadgmrT00Uv2FrQhVgDDKMc0PPW0JK36x32Tj V/K65OkajnFN69tyoowm8gDvV/R8ghupwns9Ls9UJQEzWIz5VE+qV2MvWYLOIaDmJ/aT eohQ== X-Gm-Message-State: ANoB5pntGxOnjJIpLuPJN+JERsB0f684U8D/cfz0ZTiJCpbwv2mUUuUh Je5FN0QUz6Ldl15WZZe1nW40/g== X-Google-Smtp-Source: AA0mqf7Rbz+fsLVVWtiJM5oVf640BJBhVAU/1ZqVtTRZzGtLSTgeTmDr2NvJNFQJH9JioRd4yw+gKQ== X-Received: by 2002:a05:600c:a11:b0:3d2:2a74:3a90 with SMTP id z17-20020a05600c0a1100b003d22a743a90mr1746339wmp.22.1670855116751; Mon, 12 Dec 2022 06:25:16 -0800 (PST) Received: from localhost.localdomain (bzq-84-110-153-254.static-ip.bezeqint.net. [84.110.153.254]) by smtp.gmail.com with ESMTPSA id c1-20020a05600c0a4100b003d1e3b1624dsm10662692wmq.2.2022.12.12.06.25.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Dec 2022 06:25:16 -0800 (PST) From: Alvaro Karsz To: virtualization@lists.linux-foundation.org Cc: linux-pci@vger.kernel.org, Alvaro Karsz , Bjorn Helgaas Subject: [PATCH 2/3] New PCI quirk for SolidRun SNET DPU. Date: Mon, 12 Dec 2022 16:24:53 +0200 Message-Id: <20221212142454.3225177-3-alvaro.karsz@solid-run.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20221212142454.3225177-1-alvaro.karsz@solid-run.com> References: <20221212142454.3225177-1-alvaro.karsz@solid-run.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The DPU advertises FLR, but it may cause the device to hang. This only happens with revision 0x1. Signed-off-by: Alvaro Karsz --- drivers/pci/quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 285acc4aacc..809d03272c2 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5343,6 +5343,14 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x149c, quirk_no_flr); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_no_flr); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_no_flr); +/* FLR may cause the SolidRun SNET DPU (rev 0x1) to hang */ +static void quirk_no_flr_snet(struct pci_dev *dev) +{ + if (dev->revision == 0x1) + quirk_no_flr(dev); +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SOLIDRUN, 0x1000, quirk_no_flr_snet); + static void quirk_no_ext_tags(struct pci_dev *pdev) { struct pci_host_bridge *bridge = pci_find_host_bridge(pdev->bus); -- 2.32.0