From owner-svn-src-all@freebsd.org Tue Apr 12 14:43:18 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 57165B0D559; Tue, 12 Apr 2016 14:43:18 +0000 (UTC) (envelope-from mav@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 mx1.freebsd.org (Postfix) with ESMTPS id 19E3813D2; Tue, 12 Apr 2016 14:43:18 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u3CEhHbp022662; Tue, 12 Apr 2016 14:43:17 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u3CEhH70022661; Tue, 12 Apr 2016 14:43:17 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201604121443.u3CEhH70022661@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Tue, 12 Apr 2016 14:43:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r297859 - head/sys/dev/isp X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Apr 2016 14:43:18 -0000 Author: mav Date: Tue Apr 12 14:43:17 2016 New Revision: 297859 URL: https://svnweb.freebsd.org/changeset/base/297859 Log: Switch isp_getpdb() to synchronous IOCB DMA area. While technically it is not IOCB, it is synchronous and can be called from different places, so calling FC_SCRATCH_ACQUIRE() here is inconvenient. Modified: head/sys/dev/isp/isp.c Modified: head/sys/dev/isp/isp.c ============================================================================== --- head/sys/dev/isp/isp.c Tue Apr 12 14:19:19 2016 (r297858) +++ head/sys/dev/isp/isp.c Tue Apr 12 14:43:17 2016 (r297859) @@ -2776,7 +2776,6 @@ isp_port_logout(ispsoftc_t *isp, uint16_ static int isp_getpdb(ispsoftc_t *isp, int chan, uint16_t id, isp_pdb_t *pdb) { - fcparam *fcp = FCPARAM(isp, chan); mbreg_t mbs; union { isp_pdb_21xx_t fred; @@ -2794,23 +2793,19 @@ isp_getpdb(ispsoftc_t *isp, int chan, ui } else { mbs.param[1] = id << 8; } - mbs.param[2] = DMA_WD1(fcp->isp_scdma); - mbs.param[3] = DMA_WD0(fcp->isp_scdma); - mbs.param[6] = DMA_WD3(fcp->isp_scdma); - mbs.param[7] = DMA_WD2(fcp->isp_scdma); - if (FC_SCRATCH_ACQUIRE(isp, chan)) { - isp_prt(isp, ISP_LOGERR, sacq); - return (-1); - } - MEMORYBARRIER(isp, SYNC_SFORDEV, 0, sizeof(un), chan); + mbs.param[2] = DMA_WD1(isp->isp_iocb_dma); + mbs.param[3] = DMA_WD0(isp->isp_iocb_dma); + mbs.param[6] = DMA_WD3(isp->isp_iocb_dma); + mbs.param[7] = DMA_WD2(isp->isp_iocb_dma); + MEMORYBARRIER(isp, SYNC_IFORDEV, 0, sizeof(un), chan); + isp_mboxcmd(isp, &mbs); - if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { - FC_SCRATCH_RELEASE(isp, chan); + if (mbs.param[0] != MBOX_COMMAND_COMPLETE) return (mbs.param[0] | (mbs.param[1] << 16)); - } - MEMORYBARRIER(isp, SYNC_SFORCPU, 0, sizeof(un), chan); + + MEMORYBARRIER(isp, SYNC_IFORCPU, 0, sizeof(un), chan); if (IS_24XX(isp)) { - isp_get_pdb_24xx(isp, fcp->isp_scratch, &un.bill); + isp_get_pdb_24xx(isp, isp->isp_iocb, &un.bill); pdb->handle = un.bill.pdb_handle; pdb->prli_word3 = un.bill.pdb_prli_svc3; pdb->portid = BITS2WORD_24XX(un.bill.pdb_portid_bits); @@ -2822,11 +2817,10 @@ isp_getpdb(ispsoftc_t *isp, int chan, ui un.bill.pdb_curstate); if (un.bill.pdb_curstate < PDB2400_STATE_PLOGI_DONE || un.bill.pdb_curstate > PDB2400_STATE_LOGGED_IN) { mbs.param[0] = MBOX_NOT_LOGGED_IN; - FC_SCRATCH_RELEASE(isp, chan); return (mbs.param[0]); } } else { - isp_get_pdb_21xx(isp, fcp->isp_scratch, &un.fred); + isp_get_pdb_21xx(isp, isp->isp_iocb, &un.fred); pdb->handle = un.fred.pdb_loopid; pdb->prli_word3 = un.fred.pdb_prli_svc3; pdb->portid = BITS2WORD(un.fred.pdb_portid_bits); @@ -2835,7 +2829,6 @@ isp_getpdb(ispsoftc_t *isp, int chan, ui isp_prt(isp, ISP_LOGDEBUG1, "Chan %d handle 0x%x Port 0x%06x", chan, id, pdb->portid); } - FC_SCRATCH_RELEASE(isp, chan); return (0); }