From patchwork Thu Sep 12 15:19:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Himanshu Madhani X-Patchwork-Id: 11143313 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E4CF4912 for ; Thu, 12 Sep 2019 15:21:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2CEA20830 for ; Thu, 12 Sep 2019 15:21:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="Yu9MPqKt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733001AbfILPVU (ORCPT ); Thu, 12 Sep 2019 11:21:20 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:27206 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732699AbfILPVU (ORCPT ); Thu, 12 Sep 2019 11:21:20 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x8CFFGj1029075; Thu, 12 Sep 2019 08:20:18 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0818; bh=EtgFqclSbiTpkC/Q09gr7XDBSwk9ysdcfjOdzXLI9Gg=; b=Yu9MPqKtJ/dEz/9TQ297euy+elZMo3TUKJjhcrzpAbAdhuhC0AcKE2J73MbMeDn9Fm1f mfIyU2zhrdqj/B0z7g+mHuBbRgbAoi86NnUDoSjjNGXcV2lH9rYOwKO108+nWAOhyDvx GiAz8uSF2XLyAvln+0GX5JmNhM2FOowRcycur8gFKQ0/dhcZrZIuT9aUcEVL7xS7D3ui xApiE7OXTIDhwEmeCP+z6bgbDck4p9bqFZdsbarQXHaIJhac24QpP6BgE0Nlc5Brgx/c vRIT3rWLK4q+Fqt9CZvRKtmoyoEO6/SWFt7Rm1/UBWbcDQNGMDgfkGlNyKY9IvUDgblG kA== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 2uxshkfyp4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 12 Sep 2019 08:20:18 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 12 Sep 2019 08:20:16 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Thu, 12 Sep 2019 08:20:17 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id D653C3F7040; Thu, 12 Sep 2019 08:20:16 -0700 (PDT) Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id x8CFKG1e002646; Thu, 12 Sep 2019 08:20:16 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id x8CFKGsD002645; Thu, 12 Sep 2019 08:20:16 -0700 From: Himanshu Madhani To: , CC: , Subject: [PATCH 09/14] qla2xxx: Add error handling for PLOGI ELS passthrough Date: Thu, 12 Sep 2019 08:19:44 -0700 Message-ID: <20190912151949.2348-10-hmadhani@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20190912151949.2348-1-hmadhani@marvell.com> References: <20190912151949.2348-1-hmadhani@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.70,1.0.8 definitions=2019-09-12_08:2019-09-11,2019-09-12 signatures=0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran Add error handling logic to ELS Passthrough relating to NVME devices. Current code does not parse error code to take proper recovery action, instead it re-login with the same login parameters that encountered the error. Ex: nport handle collision. Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_iocb.c | 95 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 92 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 5c279449ca1c..840c3bf2a364 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2765,6 +2765,10 @@ qla2x00_els_dcmd2_sp_done(void *ptr, int res) struct scsi_qla_host *vha = sp->vha; struct event_arg ea; struct qla_work_evt *e; + struct fc_port *conflict_fcport; + port_id_t cid; /* conflict Nport id */ + u32 *fw_status = sp->u.iocb_cmd.u.els_plogi.fw_status; + u16 lid; ql_dbg(ql_dbg_disc, vha, 0x3072, "%s ELS done rc %d hdl=%x, portid=%06x %8phC\n", @@ -2776,14 +2780,99 @@ qla2x00_els_dcmd2_sp_done(void *ptr, int res) if (sp->flags & SRB_WAKEUP_ON_COMP) complete(&lio->u.els_plogi.comp); else { - if (res) { - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); - } else { + switch (fw_status[0]) { + case CS_DATA_UNDERRUN: + case CS_COMPLETE: memset(&ea, 0, sizeof(ea)); ea.fcport = fcport; ea.rc = res; ea.event = FCME_ELS_PLOGI_DONE; qla2x00_fcport_event_handler(vha, &ea); + break; + case CS_IOCB_ERROR: + switch (fw_status[1]) { + case LSC_SCODE_PORTID_USED: + lid = fw_status[2] & 0xffff; + qlt_find_sess_invalidate_other(vha, + wwn_to_u64(fcport->port_name), + fcport->d_id, lid, &conflict_fcport); + if (conflict_fcport) { + /* + * Another fcport shares the same + * loop_id & nport id; conflict + * fcport needs to finish cleanup + * before this fcport can proceed + * to login. + */ + conflict_fcport->conflict = fcport; + fcport->login_pause = 1; + ql_dbg(ql_dbg_disc, vha, 0x20ed, + "%s %d %8phC pid %06x inuse with lid %#x post gidpn\n", + __func__, __LINE__, + fcport->port_name, + fcport->d_id.b24, lid); + } else { + ql_dbg(ql_dbg_disc, vha, 0x20ed, + "%s %d %8phC pid %06x inuse with lid %#x sched del\n", + __func__, __LINE__, + fcport->port_name, + fcport->d_id.b24, lid); + qla2x00_clear_loop_id(fcport); + set_bit(lid, vha->hw->loop_id_map); + fcport->loop_id = lid; + fcport->keep_nport_handle = 0; + qlt_schedule_sess_for_deletion(fcport); + } + break; + + case LSC_SCODE_NPORT_USED: + cid.b.domain = (fw_status[2] >> 16) & 0xff; + cid.b.area = (fw_status[2] >> 8) & 0xff; + cid.b.al_pa = fw_status[2] & 0xff; + cid.b.rsvd_1 = 0; + + ql_dbg(ql_dbg_disc, vha, 0x20ec, + "%s %d %8phC lid %#x in use with pid %06x post gnl\n", + __func__, __LINE__, fcport->port_name, + fcport->loop_id, cid.b24); + set_bit(fcport->loop_id, + vha->hw->loop_id_map); + fcport->loop_id = FC_NO_LOOP_ID; + qla24xx_post_gnl_work(vha, fcport); + break; + + case LSC_SCODE_NOXCB: + vha->hw->exch_starvation++; + if (vha->hw->exch_starvation > 5) { + ql_log(ql_log_warn, vha, 0xd046, + "Exchange starvation. Resetting RISC\n"); + vha->hw->exch_starvation = 0; + set_bit(ISP_ABORT_NEEDED, + &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } + /* fall through */ + default: + ql_dbg(ql_dbg_disc, vha, 0x20eb, + "%s %8phC cmd error fw_status 0x%x 0x%x 0x%x\n", + __func__, sp->fcport->port_name, + fw_status[0], fw_status[1], fw_status[2]); + + fcport->flags &= ~FCF_ASYNC_SENT; + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + break; + } + break; + + default: + ql_dbg(ql_dbg_disc, vha, 0x20eb, + "%s %8phC cmd error 2 fw_status 0x%x 0x%x 0x%x\n", + __func__, sp->fcport->port_name, + fw_status[0], fw_status[1], fw_status[2]); + + sp->fcport->flags &= ~FCF_ASYNC_SENT; + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + break; } e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);