From nobody Thu Oct 14 16:20:15 2021 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A08AD17F19F0; Thu, 14 Oct 2021 16:20:15 +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 4HVZPW47sPz3FYv; Thu, 14 Oct 2021 16:20:15 +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 6FD8A165B6; Thu, 14 Oct 2021 16:20:15 +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 19EGKFVn053332; Thu, 14 Oct 2021 16:20:15 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19EGKFaR053325; Thu, 14 Oct 2021 16:20:15 GMT (envelope-from git) Date: Thu, 14 Oct 2021 16:20:15 GMT Message-Id: <202110141620.19EGKFaR053325@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Marcin Wojtas Subject: git: 8f2e39b9d3ec - stable/12 - pci_dw: Trim ATU windows bigger than 4GB List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mw X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: 8f2e39b9d3ecbd9653f859d9261745059f2b9071 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/12 has been updated by mw: URL: https://cgit.FreeBSD.org/src/commit/?id=8f2e39b9d3ecbd9653f859d9261745059f2b9071 commit 8f2e39b9d3ecbd9653f859d9261745059f2b9071 Author: Wojciech Macek AuthorDate: 2021-04-09 07:28:44 +0000 Commit: Marcin Wojtas CommitDate: 2021-10-14 16:09:44 +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 (cherry picked from commit 243000b19f8b4ab104b584b2d16bc6aa9131c9b5) --- 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 904e36caff20..973a56239473 100644 --- a/sys/dev/pci/pci_dw.c +++ b/sys/dev/pci/pci_dw.c @@ -350,6 +350,18 @@ 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); }