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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 CBB83C433EF for ; Mon, 20 Sep 2021 18:02:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B04A3610A8 for ; Mon, 20 Sep 2021 18:02:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357269AbhITSDt (ORCPT ); Mon, 20 Sep 2021 14:03:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:54992 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355883AbhITR47 (ORCPT ); Mon, 20 Sep 2021 13:56:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 34D6D6320F; Mon, 20 Sep 2021 17:14:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632158077; bh=3DvMnxOJwNlDwQm0Ehk0Wu9nPg2w9XgqSll7I2O3/5s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tQwlbKsxeIo/cckC5PVJUZcEPQZCd65/dpiNldmi9WURTIMhfIlcm9lQkSWZCmpjc NM8GPC5SpEuqbDtJFWgQ4R+D0koGl4HNhD4/aUPxBGKiBFLC2M/3XTI1dskkseP+41 BbyIRpbaAwP89KZ0FDhqDxzXSuGG1qnCXy1M4qiY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, George Cherian , Bjorn Helgaas , Sasha Levin Subject: [PATCH 4.19 277/293] PCI: Add ACS quirks for Cavium multi-function devices Date: Mon, 20 Sep 2021 18:43:59 +0200 Message-Id: <20210920163942.899934332@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163933.258815435@linuxfoundation.org> References: <20210920163933.258815435@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 48c1fbb17e40..4eb8900b9a5c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4778,6 +4778,10 @@ 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