From owner-svn-src-stable@freebsd.org Fri Nov 6 00:35:37 2020 Return-Path: Delivered-To: svn-src-stable@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 06FBC2D62A1; Fri, 6 Nov 2020 00:35:37 +0000 (UTC) (envelope-from kib@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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CS1dN6l4Pz3s1J; Fri, 6 Nov 2020 00:35:36 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id DA4631C467; Fri, 6 Nov 2020 00:35:36 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0A60Za0u087036; Fri, 6 Nov 2020 00:35:36 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0A60Za8Y087035; Fri, 6 Nov 2020 00:35:36 GMT (envelope-from kib@FreeBSD.org) Message-Id: <202011060035.0A60Za8Y087035@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 6 Nov 2020 00:35:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r367411 - stable/12/sys/dev/usb/controller X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/sys/dev/usb/controller X-SVN-Commit-Revision: 367411 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2020 00:35:37 -0000 Author: kib Date: Fri Nov 6 00:35:36 2020 New Revision: 367411 URL: https://svnweb.freebsd.org/changeset/base/367411 Log: MFC r366978: xhci: Handle the case when MSI-X BAR is the same as IO BAR. Modified: stable/12/sys/dev/usb/controller/xhci_pci.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/usb/controller/xhci_pci.c ============================================================================== --- stable/12/sys/dev/usb/controller/xhci_pci.c Fri Nov 6 00:15:52 2020 (r367410) +++ stable/12/sys/dev/usb/controller/xhci_pci.c Fri Nov 6 00:35:36 2020 (r367411) @@ -281,21 +281,29 @@ xhci_pci_attach(device_t self) rid = 0; if (xhci_use_msix && (msix_table = pci_msix_table_bar(self)) >= 0) { - sc->sc_msix_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, - &msix_table, RF_ACTIVE); - if (sc->sc_msix_res == NULL) { - /* May not be enabled */ - device_printf(self, - "Unable to map MSI-X table \n"); + if (msix_table == PCI_XHCI_CBMEM) { + sc->sc_msix_res = sc->sc_io_res; } else { + sc->sc_msix_res = bus_alloc_resource_any(self, + SYS_RES_MEMORY, &msix_table, RF_ACTIVE); + if (sc->sc_msix_res == NULL) { + /* May not be enabled */ + device_printf(self, + "Unable to map MSI-X table\n"); + } + } + if (sc->sc_msix_res != NULL) { count = 1; if (pci_alloc_msix(self, &count) == 0) { if (bootverbose) device_printf(self, "MSI-X enabled\n"); rid = 1; } else { - bus_release_resource(self, SYS_RES_MEMORY, - msix_table, sc->sc_msix_res); + if (sc->sc_msix_res != sc->sc_io_res) { + bus_release_resource(self, + SYS_RES_MEMORY, + msix_table, sc->sc_msix_res); + } sc->sc_msix_res = NULL; } } @@ -391,15 +399,15 @@ xhci_pci_detach(device_t self) sc->sc_irq_res = NULL; pci_release_msi(self); } + if (sc->sc_msix_res != NULL && sc->sc_msix_res != sc->sc_io_res) { + bus_release_resource(self, SYS_RES_MEMORY, + rman_get_rid(sc->sc_msix_res), sc->sc_msix_res); + sc->sc_msix_res = NULL; + } if (sc->sc_io_res) { bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM, sc->sc_io_res); sc->sc_io_res = NULL; - } - if (sc->sc_msix_res) { - bus_release_resource(self, SYS_RES_MEMORY, - rman_get_rid(sc->sc_msix_res), sc->sc_msix_res); - sc->sc_msix_res = NULL; } xhci_uninit(sc);