From owner-dev-commits-src-main@freebsd.org Fri Apr 9 07:39:03 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5D2F25CE617; Fri, 9 Apr 2021 07:39:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FGqkv2Cfsz3w7G; Fri, 9 Apr 2021 07:39:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3F02A199FC; Fri, 9 Apr 2021 07:39:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 1397d3F5012981; Fri, 9 Apr 2021 07:39:03 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1397d3EF012980; Fri, 9 Apr 2021 07:39:03 GMT (envelope-from git) Date: Fri, 9 Apr 2021 07:39:03 GMT Message-Id: <202104090739.1397d3EF012980@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Wojciech Macek Subject: git: 243000b19f8b - main - pci_dw: Trim ATU windows bigger than 4GB MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: wma X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 243000b19f8b4ab104b584b2d16bc6aa9131c9b5 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Apr 2021 07:39:03 -0000 The branch main has been updated by wma: URL: https://cgit.FreeBSD.org/src/commit/?id=243000b19f8b4ab104b584b2d16bc6aa9131c9b5 commit 243000b19f8b4ab104b584b2d16bc6aa9131c9b5 Author: Wojciech Macek AuthorDate: 2021-04-09 07:28:44 +0000 Commit: Wojciech Macek CommitDate: 2021-04-09 07:37:59 +0000 pci_dw: Trim ATU windows bigger than 4GB The size of the ATU MEM/IO windows is implicitly casted to uint32_t. Because of that some window sizes were silently demoted to 0 and ignored. Check the size if its too large, trim it to 4GB and print a warning message. Submitted by: Kornel Duleba Reviewed by: mw Obtained from: Semihalf Sponsored by: Marvell Differential revision: https://reviews.freebsd.org/D29625 --- sys/dev/pci/pci_dw.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sys/dev/pci/pci_dw.c b/sys/dev/pci/pci_dw.c index 161a68d2929d..f0aae5bf8418 100644 --- a/sys/dev/pci/pci_dw.c +++ b/sys/dev/pci/pci_dw.c @@ -342,6 +342,18 @@ pci_dw_decode_ranges(struct pci_dw_softc *sc, struct ofw_pci_range *ranges, " Not all required ranges are found in DT\n"); return (ENXIO); } + if (sc->io_range.size > UINT32_MAX) { + device_printf(sc->dev, + "ATU IO window size is too large. Up to 4GB windows " + "are supported, trimming window size to 4GB\n"); + sc->io_range.size = UINT32_MAX; + } + if (sc->mem_range.size > UINT32_MAX) { + device_printf(sc->dev, + "ATU MEM window size is too large. Up to 4GB windows " + "are supported, trimming window size to 4GB\n"); + sc->mem_range.size = UINT32_MAX; + } return (0); }