From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_HEADER_CTYPE_ONLY, SPF_HELO_NONE,SPF_PASS,T_TVD_MIME_NO_HEADERS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAC8FC43461 for ; Thu, 20 May 2021 15:22:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C027611AD for ; Thu, 20 May 2021 15:22:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243841AbhETPXh (ORCPT ); Thu, 20 May 2021 11:23:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237808AbhETPXN (ORCPT ); Thu, 20 May 2021 11:23:13 -0400 Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C920FC061760 for ; Thu, 20 May 2021 08:21:51 -0700 (PDT) Received: by mail-pf1-x435.google.com with SMTP id c17so12608316pfn.6 for ; Thu, 20 May 2021 08:21:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=6q0D9JtqSHJC5wC1RLB7TwMOtB6CwgIaT9sgwx19bIQ=; b=Q17hAZxftEzyc0rekHrMZaQJRBwFmza50WmGrp2bKGeVMXz7lX7DR9ZgE5n6ZIGv49 HZ20qE1j72yjazi0mpyfWM9Yf1+i4JkgT0Ax6luU6bsGc4EWk6Da2NyFOmwudqFMhnjX Mdovn0Hclh9C5yA7DkQqARICoY4D2GDUa8d6Q= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=6q0D9JtqSHJC5wC1RLB7TwMOtB6CwgIaT9sgwx19bIQ=; b=hBU9QW+hC+w/XAlzW8JvlAlxjsMqoGfd3/dZzex9v2CgVOMXANDUwFKWL6IdhseSIQ 9DsE4hP6i0IUk1X6nV0n5Vz8o3l+8RjpYWj0jwf3DIPfxfoiBAB8ngk8HAq73p1Db09a LkXvBXTqNV35mF1c7coYPi5/zzUDPAk0qPsTBhvbU77HRxoXMPu7+G5Uq9mxdGCMXysz McbSrFifJWTWQrE+XtYJ9Ibsj7ksNO1vb9mGByfWonz+zWoeuBdYDBPWjV7S7GijPxot J+qcfqMJDXp1CnJLFZh7jD8Zagn3ijoD4ZTsfYOLJCFk8hKLQBcqmAwISw9qAz+hUnba MJjQ== X-Gm-Message-State: AOAM533llQ132GlWek9B8ufkUdi7feaaTbMauSsL0K5Fspr+1M3rcMYi UgZTuRXEQJTQ56OQtSxGW4f4p8PTyLBg7xWLnxFJMylunQ9E1qR2FBnmwZTMne1jEtvZPdmf1+f Iqhzkgz9ddUGFUHWqqYaxonOgjBMsmM+LZ69XZzEri2NBDXcpgiZfKBN78qBA+zSBuvyHwWM9kg rUCmGC1A== X-Google-Smtp-Source: ABdhPJxJedcEXQjSKJYJ+nWQIR1HDzGAdfABLGGexnwziTKkC1ks3yNSio1LupW4VOhi2ZIzogwPtA== X-Received: by 2002:a63:f651:: with SMTP id u17mr5094761pgj.300.1621524110922; Thu, 20 May 2021 08:21:50 -0700 (PDT) Received: from drv-bst-rhel8.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id s8sm2250557pfe.112.2021.05.20.08.21.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 08:21:50 -0700 (PDT) From: Kashyap Desai To: linux-scsi@vger.kernel.org Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, steve.hagan@broadcom.com, peter.rivera@broadcom.com, mpi3mr-linuxdrv.pdl@broadcom.com, Kashyap Desai , sathya.prakash@broadcom.com Subject: [PATCH v6 10/24] mpi3mr: add support of timestamp sync with firmware Date: Thu, 20 May 2021 20:55:31 +0530 Message-Id: <20210520152545.2710479-11-kashyap.desai@broadcom.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20210520152545.2710479-1-kashyap.desai@broadcom.com> References: <20210520152545.2710479-1-kashyap.desai@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000a6b48105c2c4805e" Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org --000000000000a6b48105c2c4805e This operation requests that the IOC update the TimeStamp. When the I/O Unit is powered on, it sets the TimeStamp field value to 0x0000_0000_0000_0000 and increments the current value every millisecond. A host driver sets the TimeStamp field to the current time by using an IOCInit request. The TimeStamp field is periodically updated by host driver. Signed-off-by: Kashyap Desai Reviewed-by: Hannes Reinecke Reviewed-by: Tomas Henzl Reviewed-by: Himanshu Madhani Cc: sathya.prakash@broadcom.com --- drivers/scsi/mpi3mr/mpi3mr.h | 3 ++ drivers/scsi/mpi3mr/mpi3mr_fw.c | 74 +++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 31167a9..34efe56 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -104,6 +104,7 @@ extern struct list_head mrioc_list; #define MPI3MR_PORTENABLE_TIMEOUT 300 #define MPI3MR_RESETTM_TIMEOUT 30 #define MPI3MR_RESET_HOST_IOWAIT_TIMEOUT 5 +#define MPI3MR_TSUPDATE_INTERVAL 900 #define MPI3MR_DEFAULT_SHUTDOWN_TIME 120 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */ @@ -636,6 +637,7 @@ struct scmd_priv { * @dev_handle_bitmap_sz: Device handle bitmap size * @removepend_bitmap: Remove pending bitmap * @delayed_rmhs_list: Delayed device removal list + * @ts_update_counter: Timestamp update counter * @fault_dbg: Fault debug flag * @reset_in_progress: Reset in progress flag * @unrecoverable: Controller unrecoverable flag @@ -758,6 +760,7 @@ struct mpi3mr_ioc { void *removepend_bitmap; struct list_head delayed_rmhs_list; + u32 ts_update_counter; u8 fault_dbg; u8 reset_in_progress; u8 unrecoverable; diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 0a6e524..ef15a37 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -1471,6 +1471,74 @@ out: return retval; } +/** + * mpi3mr_sync_timestamp - Issue time stamp sync request + * @mrioc: Adapter reference + * + * Issue IO unit control MPI request to synchornize firmware + * timestamp with host time. + * + * Return: 0 on success, non-zero on failure. + */ +static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc) +{ + ktime_t current_time; + struct mpi3_iounit_control_request iou_ctrl; + int retval = 0; + + memset(&iou_ctrl, 0, sizeof(iou_ctrl)); + mutex_lock(&mrioc->init_cmds.mutex); + if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { + retval = -1; + ioc_err(mrioc, "Issue IOUCTL time_stamp: command is in use\n"); + mutex_unlock(&mrioc->init_cmds.mutex); + goto out; + } + mrioc->init_cmds.state = MPI3MR_CMD_PENDING; + mrioc->init_cmds.is_waiting = 1; + mrioc->init_cmds.callback = NULL; + iou_ctrl.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); + iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL; + iou_ctrl.operation = MPI3_CTRL_OP_UPDATE_TIMESTAMP; + current_time = ktime_get_real(); + iou_ctrl.param64[0] = cpu_to_le64(ktime_to_ms(current_time)); + + init_completion(&mrioc->init_cmds.done); + retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl, + sizeof(iou_ctrl), 0); + if (retval) { + ioc_err(mrioc, "Issue IOUCTL time_stamp: Admin Post failed\n"); + goto out_unlock; + } + + wait_for_completion_timeout(&mrioc->init_cmds.done, + (MPI3MR_INTADMCMD_TIMEOUT * HZ)); + if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { + ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n"); + mrioc->init_cmds.is_waiting = 0; + mpi3mr_soft_reset_handler(mrioc, + MPI3MR_RESET_FROM_TSU_TIMEOUT, 1); + retval = -1; + goto out_unlock; + } + if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) + != MPI3_IOCSTATUS_SUCCESS) { + ioc_err(mrioc, + "Issue IOUCTL time_stamp: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", + (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), + mrioc->init_cmds.ioc_loginfo); + retval = -1; + goto out_unlock; + } + +out_unlock: + mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; + mutex_unlock(&mrioc->init_cmds.mutex); + +out: + return retval; +} + /** * mpi3mr_watchdog_work - watchdog thread to monitor faults * @work: work struct @@ -1489,6 +1557,11 @@ static void mpi3mr_watchdog_work(struct work_struct *work) enum mpi3mr_iocstate ioc_state; u32 fault, host_diagnostic; + if (mrioc->ts_update_counter++ >= MPI3MR_TSUPDATE_INTERVAL) { + mrioc->ts_update_counter = 0; + mpi3mr_sync_timestamp(mrioc); + } + /*Check for fault state every one second and issue Soft reset*/ ioc_state = mpi3mr_get_iocstate(mrioc); if (ioc_state == MRIOC_STATE_FAULT) { @@ -3293,6 +3366,7 @@ out: mrioc->reset_in_progress = 0; scsi_unblock_requests(mrioc->shost); mpi3mr_rfresh_tgtdevs(mrioc); + mrioc->ts_update_counter = 0; spin_lock_irqsave(&mrioc->watchdog_lock, flags); if (mrioc->watchdog_work_q) queue_delayed_work(mrioc->watchdog_work_q, -- 2.18.1 --000000000000a6b48105c2c4805e Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE 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