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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 4BB4EC433EF for ; Sat, 11 Sep 2021 13:20:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33EF461205 for ; Sat, 11 Sep 2021 13:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237819AbhIKNVj (ORCPT ); Sat, 11 Sep 2021 09:21:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:40668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236023AbhIKNSn (ORCPT ); Sat, 11 Sep 2021 09:18:43 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8BD1A6127A; Sat, 11 Sep 2021 13:13:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631366035; bh=k4xCItJ5pECEhJfjhCMhf/rl6WSZmrlBpn+rSedCRu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D4LQ1gXFuKUX9KXxAKsFW4dZsFVMo+tVI1US1rBFHmyeWwoQ+9gCVisyBwI22G1PA pY56I7N+P7dGf2/dhfS27VsBaw/RLfC2spwXYRm/swM3Gdmdvww6BQQRgD+mk7I8Hy hZ9xJi7GAVJSpSIw4ZwPvFF3n0MmNf1rMKbAFrXd6yh0XM4iKxaYLEiulz9dcY2yvY UYEI3oOVIsLhMh5lty7QeJGAOFecek3R90eQHlciZoXL1mjVwe1BDUnNTAifVFl7Bu ZIyjC6F2CnGlKQGZDGN55TUoPF436V876DC9DN/5oL+LAs5zNY4Y5azSGURGANpetZ DohZXNWJGxJWA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: George Cherian , Bjorn Helgaas , Sasha Levin , linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 07/14] PCI: Add ACS quirks for Cavium multi-function devices Date: Sat, 11 Sep 2021 09:13:38 -0400 Message-Id: <20210911131345.285564-7-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210911131345.285564-1-sashal@kernel.org> References: <20210911131345.285564-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: George Cherian [ Upstream commit 32837d8a8f63eb95dcb9cd005524a27f06478832 ] Some Cavium endpoints are implemented as multi-function devices without ACS capability, but they actually don't support peer-to-peer transactions. Add ACS quirks to declare DMA isolation for the following devices: - BGX device found on Octeon-TX (8xxx) - CGX device found on Octeon-TX2 (9xxx) - RPM device found on Octeon-TX3 (10xxx) Link: https://lore.kernel.org/r/20210810122425.1115156-1-george.cherian@marvell.com Signed-off-by: George Cherian Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index dea5ec5f4272..e3f3f2b158d3 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4921,6 +4921,10 @@ static const struct pci_dev_acs_enabled { { 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */ /* Cavium ThunderX */ { PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs }, + /* Cavium multi-function devices */ + { PCI_VENDOR_ID_CAVIUM, 0xA026, pci_quirk_mf_endpoint_acs }, + { PCI_VENDOR_ID_CAVIUM, 0xA059, pci_quirk_mf_endpoint_acs }, + { PCI_VENDOR_ID_CAVIUM, 0xA060, pci_quirk_mf_endpoint_acs }, /* APM X-Gene */ { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs }, /* Ampere Computing */ -- 2.30.2