From owner-svn-src-head@freebsd.org Tue Jun 4 09:01:03 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0178B15A91EA; Tue, 4 Jun 2019 09:01:03 +0000 (UTC) (envelope-from hselasky@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) server-signature RSA-PSS (4096 bits) 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 9AAF48E2A1; Tue, 4 Jun 2019 09:01:02 +0000 (UTC) (envelope-from hselasky@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 72A631B484; Tue, 4 Jun 2019 09:01:02 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x54912g1029097; Tue, 4 Jun 2019 09:01:02 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x549127t029096; Tue, 4 Jun 2019 09:01:02 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201906040901.x549127t029096@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Tue, 4 Jun 2019 09:01:02 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348604 - head/sys/dev/usb/controller X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/usb/controller X-SVN-Commit-Revision: 348604 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 9AAF48E2A1 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.96)[-0.955,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jun 2019 09:01:03 -0000 Author: hselasky Date: Tue Jun 4 09:01:02 2019 New Revision: 348604 URL: https://svnweb.freebsd.org/changeset/base/348604 Log: In xhci(4) there is no stream ID in the completion TRB. Instead iterate all the stream IDs in stream mode to find the matching USB transfer. MFC after: 3 days Sponsored by: Mellanox Technologies Modified: head/sys/dev/usb/controller/xhci.c Modified: head/sys/dev/usb/controller/xhci.c ============================================================================== --- head/sys/dev/usb/controller/xhci.c Tue Jun 4 08:06:51 2019 (r348603) +++ head/sys/dev/usb/controller/xhci.c Tue Jun 4 09:01:02 2019 (r348604) @@ -891,7 +891,7 @@ xhci_check_transfer(struct xhci_softc *sc, struct xhci uint64_t td_event; uint32_t temp; uint32_t remainder; - uint16_t stream_id; + uint16_t stream_id = 0; uint16_t i; uint8_t status; uint8_t halted; @@ -904,7 +904,6 @@ xhci_check_transfer(struct xhci_softc *sc, struct xhci remainder = XHCI_TRB_2_REM_GET(temp); status = XHCI_TRB_2_ERROR_GET(temp); - stream_id = XHCI_TRB_2_STREAM_GET(temp); temp = le32toh(trb->dwTrb3); epno = XHCI_TRB_3_EP_GET(temp); @@ -914,8 +913,8 @@ xhci_check_transfer(struct xhci_softc *sc, struct xhci halted = (status != XHCI_TRB_ERROR_SHORT_PKT && status != XHCI_TRB_ERROR_SUCCESS); - DPRINTF("slot=%u epno=%u stream=%u remainder=%u status=%u\n", - index, epno, stream_id, remainder, status); + DPRINTF("slot=%u epno=%u remainder=%u status=%u\n", + index, epno, remainder, status); if (index > sc->sc_noslot) { DPRINTF("Invalid slot.\n"); @@ -929,18 +928,19 @@ xhci_check_transfer(struct xhci_softc *sc, struct xhci pepext = &sc->sc_hw.devs[index].endp[epno]; - if (pepext->trb_ep_mode != USB_EP_MODE_STREAMS) { - stream_id = 0; - DPRINTF("stream_id=0\n"); - } else if (stream_id >= XHCI_MAX_STREAMS) { - DPRINTF("Invalid stream ID.\n"); - return; - } - /* try to find the USB transfer that generated the event */ - for (i = 0; i != (XHCI_MAX_TRANSFERS - 1); i++) { + for (i = 0;; i++) { struct usb_xfer *xfer; struct xhci_td *td; + + if (i == (XHCI_MAX_TRANSFERS - 1)) { + if (pepext->trb_ep_mode != USB_EP_MODE_STREAMS || + stream_id == (XHCI_MAX_STREAMS - 1)) + break; + stream_id++; + i = 0; + DPRINTFN(5, "stream_id=%u\n", stream_id); + } xfer = pepext->xfer[i + (XHCI_MAX_TRANSFERS * stream_id)]; if (xfer == NULL)