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 AA4C0C433F5 for ; Sat, 11 Sep 2021 13:21:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9460761205 for ; Sat, 11 Sep 2021 13:21:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236139AbhIKNXI (ORCPT ); Sat, 11 Sep 2021 09:23:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:49198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237530AbhIKNTY (ORCPT ); Sat, 11 Sep 2021 09:19:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 96B8561371; Sat, 11 Sep 2021 13:14:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631366049; bh=YuPs1qG3NAqXGIttNQ59JcF4gFWM2yrH0SpE9zrUhc4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XaUploT3LUL8bMNMn2uXDWo3JIto7hyLFSm7bJ2n6e0qZIMF/Hi67Fp5E3JGpMmUE cPImZez6TrNBDGqNWfXW+FpcFZVI5N9pEEHgN/M4JoLWv0UdHULlrbcAm5hsbjRtOw daDm8rDme1OS/vNHQ2TMjjw6VMRjBcsIsibcAZIxcgfQ2s2/z7JpNQr4b4N174P7t/ ejTlVUXs2VSZT32pGPI2QEmccR05sSPcF791HelDcxSsxFxJe2H5QmldMOqxK9i9Pl sjBf32hXx9+FfQAFToit8vT8quZmuiYCd74qkcQAbFjMvI/eufEA88IfEeVb/jKfIy I54vnCAFJKwRw== 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 4.19 3/7] PCI: Add ACS quirks for Cavium multi-function devices Date: Sat, 11 Sep 2021 09:14:00 -0400 Message-Id: <20210911131404.286005-3-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210911131404.286005-1-sashal@kernel.org> References: <20210911131404.286005-1-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 7e873b6b7d55..10348d754313 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4777,6 +4777,10 @@ 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