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=ham 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 C22CCC49EB9 for ; Mon, 28 Jun 2021 14:46:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ACDA161C8D for ; Mon, 28 Jun 2021 14:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234912AbhF1Osm (ORCPT ); Mon, 28 Jun 2021 10:48:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:51694 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235654AbhF1Op3 (ORCPT ); Mon, 28 Jun 2021 10:45:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 31CD761D03; Mon, 28 Jun 2021 14:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624890844; bh=oHWietslQmsL5XcK0i446ow/bSAhGtVpXjqHVJqLVgc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s84VNVdWnlrYAEoS9CG7/Druit9ANH4QRWZMQK/GU1oVmDBZALjmr7B3wKfYuvf42 MBkfR4NL/+85TfwwqfQD9FrB40Ad+3BFGvnH8LtHLTyVVWLGJBhravEca/l7P9T+hT 3bxMDWo0dWjF5CCb2xreZgKEZXQWsaoN4Jf8i3n4GYpu0GqrVCgSMjbpNHOEPGVp2M 33EI29f2GdmtVPAqe0M4c13BWjlsGm3xwhbxCbxUoovyaGZSyummamjBQVc61bMWZZ FRcqN3tkXPKSSreGDmSM+IaY9qSwy42HpVGffMafaiy8myOmnUAvOV4hO3vQwH7ekt fg8QKBRMt2jzg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sriharsha Basavapatna , Michael Chan , Bjorn Helgaas , Greg Kroah-Hartman Subject: [PATCH 4.19 066/109] PCI: Add ACS quirk for Broadcom BCM57414 NIC Date: Mon, 28 Jun 2021 10:32:22 -0400 Message-Id: <20210628143305.32978-67-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210628143305.32978-1-sashal@kernel.org> References: <20210628143305.32978-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.196-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.196-rc1 X-KernelTest-Deadline: 2021-06-30T14:32+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sriharsha Basavapatna commit db2f77e2bd99dbd2fb23ddde58f0fae392fe3338 upstream. The Broadcom BCM57414 NIC may be a multi-function device. While it does not advertise an ACS capability, peer-to-peer transactions are not possible between the individual functions, so it is safe to treat them as fully isolated. Add an ACS quirk for this device so the functions can be in independent IOMMU groups and attached individually to userspace applications using VFIO. [bhelgaas: commit log] Link: https://lore.kernel.org/r/1621645997-16251-1-git-send-email-michael.chan@broadcom.com Signed-off-by: Sriharsha Basavapatna Signed-off-by: Michael Chan Signed-off-by: Bjorn Helgaas Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 285b361831ec..c5141b0542d1 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4711,6 +4711,8 @@ static const struct pci_dev_acs_enabled { { PCI_VENDOR_ID_AMPERE, 0xE00A, pci_quirk_xgene_acs }, { PCI_VENDOR_ID_AMPERE, 0xE00B, pci_quirk_xgene_acs }, { PCI_VENDOR_ID_AMPERE, 0xE00C, pci_quirk_xgene_acs }, + /* Broadcom multi-function device */ + { PCI_VENDOR_ID_BROADCOM, 0x16D7, pci_quirk_mf_endpoint_acs }, { PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs }, { 0 } }; -- 2.30.2