From patchwork Fri Apr 28 07:53:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 677847 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFB1AC77B61 for ; Fri, 28 Apr 2023 07:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345691AbjD1Hy2 (ORCPT ); Fri, 28 Apr 2023 03:54:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345525AbjD1HyW (ORCPT ); Fri, 28 Apr 2023 03:54:22 -0400 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B3A826BC for ; Fri, 28 Apr 2023 00:53:50 -0700 (PDT) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33S4F4ir030886 for ; Fri, 28 Apr 2023 00:53:48 -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=pfpt0220; bh=oftvcTa22reZOZKbvCO0q6WQxOEKqZeY00WhNt7Ft5w=; b=J+i95YuyUlpiu3t7YbdcbqKMIM3jBwHEGwDFp1DQ6Jz2FNnXK2ZTaZYAZYXJ9xPcLJaN 0C91wKvxHbqWCMP49XYtD4bLnOL/U6VtN8ECw7PT3QRdd9pJY8sfhoyl2iJxInKCLEDw SNpiBvwuwTGNUE9DCv0aa4Fl/dyANQfcSXMd9SkNimLY5tuOH+OjLoASRtXscDRDlrBH aKSAvqwREf7xlOlBzzyAq/XO1ooWdviX+uEoxOYN5SmyntdpkJdMQNepRcMZyJMXr8us eAnufcCLTuItw+z8FMP/d/TzSE7Tiig9SgDixNXgiCv401ccolDm+OMtrkCCfseDb3U2 MA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3q85x60vaa-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Fri, 28 Apr 2023 00:53:48 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Fri, 28 Apr 2023 00:53:46 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Fri, 28 Apr 2023 00:53:45 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id 4B0EE5B6935; Fri, 28 Apr 2023 00:53:45 -0700 (PDT) From: Nilesh Javali To: CC: , , , , Subject: [PATCH v2 2/7] qla2xxx: Fix task management cmd failure Date: Fri, 28 Apr 2023 00:53:34 -0700 Message-ID: <20230428075339.32551-3-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20230428075339.32551-1-njavali@marvell.com> References: <20230428075339.32551-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: c0mzqBtZTl9vk-e65HbPDNkWKeMiX31j X-Proofpoint-ORIG-GUID: c0mzqBtZTl9vk-e65HbPDNkWKeMiX31j X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-28_02,2023-04-27_01,2023-02-09_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran Task management cmd failed with status 30h which means FW is not able to finish processing one task management before another task management for the same lun. Hence add wait for completion of marker to space it out. Reported-by: kernel test robot Link: https://lore.kernel.org/oe-kbuild-all/202304271802.uCZfwQC1-lkp@intel.com/ Cc: stable@vger.kernel.org Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Reviewed-by: Himanshu Madhani > --- v2: - Fix warning reported by kernel robot. drivers/scsi/qla2xxx/qla_def.h | 6 ++ drivers/scsi/qla2xxx/qla_init.c | 102 +++++++++++++++++++++++++++----- drivers/scsi/qla2xxx/qla_iocb.c | 28 +++++++-- drivers/scsi/qla2xxx/qla_isr.c | 26 +++++++- 4 files changed, 139 insertions(+), 23 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index d59e94ae0db4..0437e0150a50 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -472,6 +472,7 @@ struct tmf_arg { struct scsi_qla_host *vha; u64 lun; u32 flags; + uint8_t modifier; }; struct els_logo_payload { @@ -553,6 +554,10 @@ struct srb_iocb { uint32_t data; struct completion comp; __le16 comp_status; + + uint8_t modifier; + uint8_t vp_index; + uint16_t loop_id; } tmf; struct { #define SRB_FXDISC_REQ_DMA_VALID BIT_0 @@ -656,6 +661,7 @@ struct srb_iocb { #define SRB_SA_UPDATE 25 #define SRB_ELS_CMD_HST_NOLOGIN 26 #define SRB_SA_REPLACE 27 +#define SRB_MARKER 28 struct qla_els_pt_arg { u8 els_opcode; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 035d1984e2bd..2402b1402e0d 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2013,6 +2013,80 @@ qla2x00_tmf_iocb_timeout(void *data) } } +static void qla_marker_sp_done(srb_t *sp, int res) +{ + struct srb_iocb *tmf = &sp->u.iocb_cmd; + + if (res != QLA_SUCCESS) + ql_dbg(ql_dbg_taskm, sp->vha, 0x8004, + "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n", + sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags, + sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id); + + complete(&tmf->u.tmf.comp); +} + +#define START_SP_W_RETRIES(_sp, _rval) \ +{\ + int cnt = 5; \ + do { \ + _rval = qla2x00_start_sp(_sp); \ + if (_rval == EAGAIN) \ + msleep(1); \ + else \ + break; \ + cnt--; \ + } while (cnt); \ +} + +static int +qla26xx_marker(struct tmf_arg *arg) +{ + struct scsi_qla_host *vha = arg->vha; + struct srb_iocb *tm_iocb; + srb_t *sp; + int rval = QLA_FUNCTION_FAILED; + fc_port_t *fcport = arg->fcport; + + /* ref: INIT */ + sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); + if (!sp) + goto done; + + sp->type = SRB_MARKER; + sp->name = "marker"; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done); + sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; + + tm_iocb = &sp->u.iocb_cmd; + init_completion(&tm_iocb->u.tmf.comp); + tm_iocb->u.tmf.modifier = arg->modifier; + tm_iocb->u.tmf.lun = arg->lun; + tm_iocb->u.tmf.loop_id = fcport->loop_id; + tm_iocb->u.tmf.vp_index = vha->vp_idx; + + START_SP_W_RETRIES(sp, rval); + + ql_dbg(ql_dbg_taskm, vha, 0x8006, + "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", + sp->handle, fcport->loop_id, fcport->d_id.b24, + arg->modifier, arg->lun, sp->qpair->id, rval); + + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x8031, + "Marker IOCB failed (%x).\n", rval); + goto done_free_sp; + } + + wait_for_completion(&tm_iocb->u.tmf.comp); + +done_free_sp: + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); +done: + return rval; +} + static void qla2x00_tmf_sp_done(srb_t *sp, int res) { struct srb_iocb *tmf = &sp->u.iocb_cmd; @@ -2026,7 +2100,6 @@ __qla2x00_async_tm_cmd(struct tmf_arg *arg) struct scsi_qla_host *vha = arg->vha; struct srb_iocb *tm_iocb; srb_t *sp; - unsigned long flags; int rval = QLA_FUNCTION_FAILED; fc_port_t *fcport = arg->fcport; @@ -2048,11 +2121,12 @@ __qla2x00_async_tm_cmd(struct tmf_arg *arg) tm_iocb->u.tmf.flags = arg->flags; tm_iocb->u.tmf.lun = arg->lun; - rval = qla2x00_start_sp(sp); + START_SP_W_RETRIES(sp, rval); + ql_dbg(ql_dbg_taskm, vha, 0x802f, - "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x ctrl=%x.\n", - sp->handle, fcport->loop_id, fcport->d_id.b.domain, - fcport->d_id.b.area, fcport->d_id.b.al_pa, arg->flags); + "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n", + sp->handle, fcport->loop_id, fcport->d_id.b24, + arg->flags, arg->lun, sp->qpair->id, rval); if (rval != QLA_SUCCESS) goto done_free_sp; @@ -2065,17 +2139,8 @@ __qla2x00_async_tm_cmd(struct tmf_arg *arg) "TM IOCB failed (%x).\n", rval); } - if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) { - flags = tm_iocb->u.tmf.flags; - if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET| - TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) - flags = MK_SYNC_ID_LUN; - else - flags = MK_SYNC_ID; - - qla2x00_marker(vha, sp->qpair, - sp->fcport->loop_id, arg->lun, flags); - } + if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) + rval = qla26xx_marker(arg); done_free_sp: /* ref: INIT */ @@ -2099,6 +2164,11 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun, a.fcport = fcport; a.lun = lun; + if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET| TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) + a.modifier = MK_SYNC_ID_LUN; + else + a.modifier = MK_SYNC_ID; + if (vha->hw->mqenable) { for (i = 0; i < vha->hw->num_qpairs; i++) { qpair = vha->hw->queue_pair_map[i]; diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index b02039601cc0..6acfdcc48b16 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -522,21 +522,25 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct qla_qpair *qpair, return (QLA_FUNCTION_FAILED); } + mrk24 = (struct mrk_entry_24xx *)mrk; + mrk->entry_type = MARKER_TYPE; mrk->modifier = type; if (type != MK_SYNC_ALL) { if (IS_FWI2_CAPABLE(ha)) { - mrk24 = (struct mrk_entry_24xx *) mrk; mrk24->nport_handle = cpu_to_le16(loop_id); int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun); host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun)); mrk24->vp_index = vha->vp_idx; - mrk24->handle = make_handle(req->id, mrk24->handle); } else { SET_TARGET_ID(ha, mrk->target, loop_id); mrk->lun = cpu_to_le16((uint16_t)lun); } } + + if (IS_FWI2_CAPABLE(ha)) + mrk24->handle = QLA_SKIP_HANDLE; + wmb(); qla2x00_start_iocbs(vha, req); @@ -3853,9 +3857,9 @@ static int qla_get_iocbs_resource(struct srb *sp) case SRB_NACK_LOGO: case SRB_LOGOUT_CMD: case SRB_CTRL_VP: - push_it_through = true; - fallthrough; + case SRB_MARKER: default: + push_it_through = true; get_exch = false; } @@ -3871,6 +3875,19 @@ static int qla_get_iocbs_resource(struct srb *sp) return qla_get_fw_resources(sp->qpair, &sp->iores); } +static void +qla_marker_iocb(srb_t *sp, struct mrk_entry_24xx *mrk) +{ + mrk->entry_type = MARKER_TYPE; + mrk->modifier = sp->u.iocb_cmd.u.tmf.modifier; + if (sp->u.iocb_cmd.u.tmf.modifier != MK_SYNC_ALL) { + mrk->nport_handle = cpu_to_le16(sp->u.iocb_cmd.u.tmf.loop_id); + int_to_scsilun(sp->u.iocb_cmd.u.tmf.lun, (struct scsi_lun *)&mrk->lun); + host_to_fcp_swap(mrk->lun, sizeof(mrk->lun)); + mrk->vp_index = sp->u.iocb_cmd.u.tmf.vp_index; + } +} + int qla2x00_start_sp(srb_t *sp) { @@ -3974,6 +3991,9 @@ qla2x00_start_sp(srb_t *sp) case SRB_SA_REPLACE: qla24xx_sa_replace_iocb(sp, pkt); break; + case SRB_MARKER: + qla_marker_iocb(sp, pkt); + break; default: break; } diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 71feda2cdb63..f3107508cf12 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3750,6 +3750,28 @@ static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha, return rc; } +static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, + struct mrk_entry_24xx *pkt) +{ + const char func[] = "MRK-IOCB"; + srb_t *sp; + int res = QLA_SUCCESS; + + if (!IS_FWI2_CAPABLE(vha->hw)) + return; + + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); + if (!sp) + return; + + if (pkt->entry_status) { + ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n"); + res = QLA_COMMAND_ERROR; + } + sp->u.iocb_cmd.u.tmf.data = res; + sp->done(sp, res); +} + /** * qla24xx_process_response_queue() - Process response queue entries. * @vha: SCSI driver HA context @@ -3863,9 +3885,7 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha, (struct nack_to_isp *)pkt); break; case MARKER_TYPE: - /* Do nothing in this case, this check is to prevent it - * from falling into default case - */ + qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt); break; case ABORT_IOCB_TYPE: qla24xx_abort_iocb_entry(vha, rsp->req,