![James Smart](/assets/img/avatar_default.png)
Update copyright to 2015 Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
5886 lines
176 KiB
C
5886 lines
176 KiB
C
/*******************************************************************
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* This file is part of the Emulex Linux Device Driver for *
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* Fibre Channel Host Bus Adapters. *
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* Copyright (C) 2004-2015 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.emulex.com *
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* Portions Copyright (C) 2004-2005 Christoph Hellwig *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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*******************************************************************/
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#include <linux/ctype.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/aer.h>
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#include <linux/gfp.h>
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#include <linux/kernel.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsi_transport_fc.h>
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#include <scsi/fc/fc_fs.h>
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#include "lpfc_hw4.h"
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#include "lpfc_hw.h"
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#include "lpfc_sli.h"
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#include "lpfc_sli4.h"
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#include "lpfc_nl.h"
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#include "lpfc_disc.h"
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#include "lpfc_scsi.h"
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#include "lpfc.h"
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#include "lpfc_logmsg.h"
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#include "lpfc_version.h"
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#include "lpfc_compat.h"
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#include "lpfc_crtn.h"
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#include "lpfc_vport.h"
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#define LPFC_DEF_DEVLOSS_TMO 30
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#define LPFC_MIN_DEVLOSS_TMO 1
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#define LPFC_MAX_DEVLOSS_TMO 255
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/*
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* Write key size should be multiple of 4. If write key is changed
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* make sure that library write key is also changed.
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*/
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#define LPFC_REG_WRITE_KEY_SIZE 4
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#define LPFC_REG_WRITE_KEY "EMLX"
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/**
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* lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
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* @incr: integer to convert.
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* @hdw: ascii string holding converted integer plus a string terminator.
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*
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* Description:
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* JEDEC Joint Electron Device Engineering Council.
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* Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
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* character string. The string is then terminated with a NULL in byte 9.
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* Hex 0-9 becomes ascii '0' to '9'.
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* Hex a-f becomes ascii '=' to 'B' capital B.
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*
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* Notes:
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* Coded for 32 bit integers only.
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**/
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static void
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lpfc_jedec_to_ascii(int incr, char hdw[])
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{
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int i, j;
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for (i = 0; i < 8; i++) {
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j = (incr & 0xf);
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if (j <= 9)
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hdw[7 - i] = 0x30 + j;
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else
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hdw[7 - i] = 0x61 + j - 10;
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incr = (incr >> 4);
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}
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hdw[8] = 0;
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return;
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}
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/**
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* lpfc_drvr_version_show - Return the Emulex driver string with version number
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* @dev: class unused variable.
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* @attr: device attribute, not used.
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* @buf: on return contains the module description text.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
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}
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/**
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* lpfc_enable_fip_show - Return the fip mode of the HBA
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* @dev: class unused variable.
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* @attr: device attribute, not used.
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* @buf: on return contains the module description text.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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if (phba->hba_flag & HBA_FIP_SUPPORT)
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return snprintf(buf, PAGE_SIZE, "1\n");
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else
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return snprintf(buf, PAGE_SIZE, "0\n");
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}
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static ssize_t
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lpfc_bg_info_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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if (phba->cfg_enable_bg)
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if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
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return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n");
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else
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return snprintf(buf, PAGE_SIZE,
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"BlockGuard Not Supported\n");
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else
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return snprintf(buf, PAGE_SIZE,
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"BlockGuard Disabled\n");
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}
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static ssize_t
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lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%llu\n",
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(unsigned long long)phba->bg_guard_err_cnt);
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}
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static ssize_t
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lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%llu\n",
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(unsigned long long)phba->bg_apptag_err_cnt);
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}
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static ssize_t
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lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%llu\n",
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(unsigned long long)phba->bg_reftag_err_cnt);
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}
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/**
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* lpfc_info_show - Return some pci info about the host in ascii
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the formatted text from lpfc_info().
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_info_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *host = class_to_shost(dev);
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return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
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}
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/**
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* lpfc_serialnum_show - Return the hba serial number in ascii
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the formatted text serial number.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
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}
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/**
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* lpfc_temp_sensor_show - Return the temperature sensor level
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the formatted support level.
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*
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* Description:
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* Returns a number indicating the temperature sensor level currently
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* supported, zero or one in ascii.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
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}
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/**
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* lpfc_modeldesc_show - Return the model description of the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the scsi vpd model description.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
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}
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/**
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* lpfc_modelname_show - Return the model name of the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the scsi vpd model name.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
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}
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/**
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* lpfc_programtype_show - Return the program type of the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the scsi vpd program type.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
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}
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/**
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* lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the Menlo Maintenance sli flag.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%d\n",
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(phba->sli.sli_flag & LPFC_MENLO_MAINT));
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}
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/**
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* lpfc_vportnum_show - Return the port number in ascii of the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains scsi vpd program type.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
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}
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/**
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* lpfc_fwrev_show - Return the firmware rev running in the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the scsi vpd program type.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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uint32_t if_type;
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uint8_t sli_family;
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char fwrev[FW_REV_STR_SIZE];
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int len;
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lpfc_decode_firmware_rev(phba, fwrev, 1);
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if_type = phba->sli4_hba.pc_sli4_params.if_type;
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sli_family = phba->sli4_hba.pc_sli4_params.sli_family;
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if (phba->sli_rev < LPFC_SLI_REV4)
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len = snprintf(buf, PAGE_SIZE, "%s, sli-%d\n",
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fwrev, phba->sli_rev);
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else
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len = snprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n",
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fwrev, phba->sli_rev, if_type, sli_family);
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return len;
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}
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/**
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* lpfc_hdw_show - Return the jedec information about the hba
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the scsi vpd program type.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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char hdw[9];
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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lpfc_vpd_t *vp = &phba->vpd;
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lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
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return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
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}
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/**
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* lpfc_option_rom_version_show - Return the adapter ROM FCode version
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* @dev: class converted to a Scsi_host structure.
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* @attr: device attribute, not used.
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* @buf: on return contains the ROM and FCode ascii strings.
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*
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* Returns: size of formatted string.
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**/
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static ssize_t
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lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
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struct lpfc_hba *phba = vport->phba;
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char fwrev[FW_REV_STR_SIZE];
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if (phba->sli_rev < LPFC_SLI_REV4)
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return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
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lpfc_decode_firmware_rev(phba, fwrev, 1);
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return snprintf(buf, PAGE_SIZE, "%s\n", fwrev);
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}
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|
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/**
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|
* lpfc_state_show - Return the link state of the port
|
|
* @dev: class converted to a Scsi_host structure.
|
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* @attr: device attribute, not used.
|
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* @buf: on return contains text describing the state of the link.
|
|
*
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|
* Notes:
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* The switch statement has no default so zero will be returned.
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*
|
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* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
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lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
|
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char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
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struct lpfc_hba *phba = vport->phba;
|
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int len = 0;
|
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|
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switch (phba->link_state) {
|
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case LPFC_LINK_UNKNOWN:
|
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case LPFC_WARM_START:
|
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case LPFC_INIT_START:
|
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case LPFC_INIT_MBX_CMDS:
|
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case LPFC_LINK_DOWN:
|
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case LPFC_HBA_ERROR:
|
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if (phba->hba_flag & LINK_DISABLED)
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len += snprintf(buf + len, PAGE_SIZE-len,
|
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"Link Down - User disabled\n");
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else
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len += snprintf(buf + len, PAGE_SIZE-len,
|
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"Link Down\n");
|
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break;
|
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case LPFC_LINK_UP:
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case LPFC_CLEAR_LA:
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case LPFC_HBA_READY:
|
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len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - ");
|
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|
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switch (vport->port_state) {
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case LPFC_LOCAL_CFG_LINK:
|
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len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"Configuring Link\n");
|
|
break;
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|
case LPFC_FDISC:
|
|
case LPFC_FLOGI:
|
|
case LPFC_FABRIC_CFG_LINK:
|
|
case LPFC_NS_REG:
|
|
case LPFC_NS_QRY:
|
|
case LPFC_BUILD_DISC_LIST:
|
|
case LPFC_DISC_AUTH:
|
|
len += snprintf(buf + len, PAGE_SIZE - len,
|
|
"Discovery\n");
|
|
break;
|
|
case LPFC_VPORT_READY:
|
|
len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
|
|
break;
|
|
|
|
case LPFC_VPORT_FAILED:
|
|
len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
|
|
break;
|
|
|
|
case LPFC_VPORT_UNKNOWN:
|
|
len += snprintf(buf + len, PAGE_SIZE - len,
|
|
"Unknown\n");
|
|
break;
|
|
}
|
|
if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
" Menlo Maint Mode\n");
|
|
else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
|
|
if (vport->fc_flag & FC_PUBLIC_LOOP)
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
" Public Loop\n");
|
|
else
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
" Private Loop\n");
|
|
} else {
|
|
if (vport->fc_flag & FC_FABRIC)
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
" Fabric\n");
|
|
else
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
" Point-2-Point\n");
|
|
}
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_protocol_show - Return the fip mode of the HBA
|
|
* @dev: class unused variable.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the module description text.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
if (phba->sli_rev < LPFC_SLI_REV4)
|
|
return snprintf(buf, PAGE_SIZE, "fc\n");
|
|
|
|
if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) {
|
|
if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE)
|
|
return snprintf(buf, PAGE_SIZE, "fcoe\n");
|
|
if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)
|
|
return snprintf(buf, PAGE_SIZE, "fc\n");
|
|
}
|
|
return snprintf(buf, PAGE_SIZE, "unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_supported_show - Return whether or not Optimized Access Storage
|
|
* (OAS) is supported.
|
|
* @dev: class unused variable.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the module description text.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
phba->sli4_hba.pc_sli4_params.oas_supported);
|
|
}
|
|
|
|
/**
|
|
* lpfc_link_state_store - Transition the link_state on an HBA port
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: one or more lpfc_polling_flags values.
|
|
* @count: not used.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buffer is not "up" or "down"
|
|
* return from link state change function if non-zero
|
|
* length of the buf on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_link_state_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
int status = -EINVAL;
|
|
|
|
if ((strncmp(buf, "up", sizeof("up") - 1) == 0) &&
|
|
(phba->link_state == LPFC_LINK_DOWN))
|
|
status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
|
|
else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) &&
|
|
(phba->link_state >= LPFC_LINK_UP))
|
|
status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT);
|
|
|
|
if (status == 0)
|
|
return strlen(buf);
|
|
else
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the sum of fc mapped and unmapped.
|
|
*
|
|
* Description:
|
|
* Returns the ascii text number of the sum of the fc mapped and unmapped
|
|
* vport counts.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_num_discovered_ports_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
vport->fc_map_cnt + vport->fc_unmap_cnt);
|
|
}
|
|
|
|
/**
|
|
* lpfc_issue_lip - Misnomer, name carried over from long ago
|
|
* @shost: Scsi_Host pointer.
|
|
*
|
|
* Description:
|
|
* Bring the link down gracefully then re-init the link. The firmware will
|
|
* re-init the fiber channel interface as required. Does not issue a LIP.
|
|
*
|
|
* Returns:
|
|
* -EPERM port offline or management commands are being blocked
|
|
* -ENOMEM cannot allocate memory for the mailbox command
|
|
* -EIO error sending the mailbox command
|
|
* zero for success
|
|
**/
|
|
static int
|
|
lpfc_issue_lip(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
int mbxstatus = MBXERR_ERROR;
|
|
|
|
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
|
|
(phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
|
|
return -EPERM;
|
|
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
|
|
|
|
if (!pmboxq)
|
|
return -ENOMEM;
|
|
|
|
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
|
|
pmboxq->u.mb.mbxOwner = OWN_HOST;
|
|
|
|
mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
|
|
|
|
if ((mbxstatus == MBX_SUCCESS) &&
|
|
(pmboxq->u.mb.mbxStatus == 0 ||
|
|
pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {
|
|
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
lpfc_init_link(phba, pmboxq, phba->cfg_topology,
|
|
phba->cfg_link_speed);
|
|
mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
|
|
phba->fc_ratov * 2);
|
|
if ((mbxstatus == MBX_SUCCESS) &&
|
|
(pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
|
|
"2859 SLI authentication is required "
|
|
"for INIT_LINK but has not done yet\n");
|
|
}
|
|
|
|
lpfc_set_loopback_flag(phba);
|
|
if (mbxstatus != MBX_TIMEOUT)
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
|
|
if (mbxstatus == MBXERR_ERROR)
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_do_offline - Issues a mailbox command to bring the link down
|
|
* @phba: lpfc_hba pointer.
|
|
* @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
|
|
*
|
|
* Notes:
|
|
* Assumes any error from lpfc_do_offline() will be negative.
|
|
* Can wait up to 5 seconds for the port ring buffers count
|
|
* to reach zero, prints a warning if it is not zero and continues.
|
|
* lpfc_workq_post_event() returns a non-zero return code if call fails.
|
|
*
|
|
* Returns:
|
|
* -EIO error posting the event
|
|
* zero for success
|
|
**/
|
|
static int
|
|
lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
|
|
{
|
|
struct completion online_compl;
|
|
struct lpfc_sli_ring *pring;
|
|
struct lpfc_sli *psli;
|
|
int status = 0;
|
|
int cnt = 0;
|
|
int i;
|
|
int rc;
|
|
|
|
init_completion(&online_compl);
|
|
rc = lpfc_workq_post_event(phba, &status, &online_compl,
|
|
LPFC_EVT_OFFLINE_PREP);
|
|
if (rc == 0)
|
|
return -ENOMEM;
|
|
|
|
wait_for_completion(&online_compl);
|
|
|
|
if (status != 0)
|
|
return -EIO;
|
|
|
|
psli = &phba->sli;
|
|
|
|
/* Wait a little for things to settle down, but not
|
|
* long enough for dev loss timeout to expire.
|
|
*/
|
|
for (i = 0; i < psli->num_rings; i++) {
|
|
pring = &psli->ring[i];
|
|
while (!list_empty(&pring->txcmplq)) {
|
|
msleep(10);
|
|
if (cnt++ > 500) { /* 5 secs */
|
|
lpfc_printf_log(phba,
|
|
KERN_WARNING, LOG_INIT,
|
|
"0466 Outstanding IO when "
|
|
"bringing Adapter offline\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
init_completion(&online_compl);
|
|
rc = lpfc_workq_post_event(phba, &status, &online_compl, type);
|
|
if (rc == 0)
|
|
return -ENOMEM;
|
|
|
|
wait_for_completion(&online_compl);
|
|
|
|
if (status != 0)
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_selective_reset - Offline then onlines the port
|
|
* @phba: lpfc_hba pointer.
|
|
*
|
|
* Description:
|
|
* If the port is configured to allow a reset then the hba is brought
|
|
* offline then online.
|
|
*
|
|
* Notes:
|
|
* Assumes any error from lpfc_do_offline() will be negative.
|
|
* Do not make this function static.
|
|
*
|
|
* Returns:
|
|
* lpfc_do_offline() return code if not zero
|
|
* -EIO reset not configured or error posting the event
|
|
* zero for success
|
|
**/
|
|
int
|
|
lpfc_selective_reset(struct lpfc_hba *phba)
|
|
{
|
|
struct completion online_compl;
|
|
int status = 0;
|
|
int rc;
|
|
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return -EACCES;
|
|
|
|
if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) {
|
|
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
|
|
|
|
if (status != 0)
|
|
return status;
|
|
}
|
|
|
|
init_completion(&online_compl);
|
|
rc = lpfc_workq_post_event(phba, &status, &online_compl,
|
|
LPFC_EVT_ONLINE);
|
|
if (rc == 0)
|
|
return -ENOMEM;
|
|
|
|
wait_for_completion(&online_compl);
|
|
|
|
if (status != 0)
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_issue_reset - Selectively resets an adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing the string "selective".
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
* If the buf contains the string "selective" then lpfc_selective_reset()
|
|
* is called to perform the reset.
|
|
*
|
|
* Notes:
|
|
* Assumes any error from lpfc_selective_reset() will be negative.
|
|
* If lpfc_selective_reset() returns zero then the length of the buffer
|
|
* is returned which indicates success
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buffer does not contain the string "selective"
|
|
* length of buf if lpfc-selective_reset() if the call succeeds
|
|
* return value of lpfc_selective_reset() if the call fails
|
|
**/
|
|
static ssize_t
|
|
lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int status = -EINVAL;
|
|
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return -EACCES;
|
|
|
|
if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
|
|
status = phba->lpfc_selective_reset(phba);
|
|
|
|
if (status == 0)
|
|
return strlen(buf);
|
|
else
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness
|
|
* @phba: lpfc_hba pointer.
|
|
*
|
|
* Description:
|
|
* SLI4 interface type-2 device to wait on the sliport status register for
|
|
* the readyness after performing a firmware reset.
|
|
*
|
|
* Returns:
|
|
* zero for success, -EPERM when port does not have privilege to perform the
|
|
* reset, -EIO when port timeout from recovering from the reset.
|
|
*
|
|
* Note:
|
|
* As the caller will interpret the return code by value, be careful in making
|
|
* change or addition to return codes.
|
|
**/
|
|
int
|
|
lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
|
|
{
|
|
struct lpfc_register portstat_reg = {0};
|
|
int i;
|
|
|
|
msleep(100);
|
|
lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
|
|
&portstat_reg.word0);
|
|
|
|
/* verify if privileged for the request operation */
|
|
if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) &&
|
|
!bf_get(lpfc_sliport_status_err, &portstat_reg))
|
|
return -EPERM;
|
|
|
|
/* wait for the SLI port firmware ready after firmware reset */
|
|
for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
|
|
msleep(10);
|
|
lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
|
|
&portstat_reg.word0);
|
|
if (!bf_get(lpfc_sliport_status_err, &portstat_reg))
|
|
continue;
|
|
if (!bf_get(lpfc_sliport_status_rn, &portstat_reg))
|
|
continue;
|
|
if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg))
|
|
continue;
|
|
break;
|
|
}
|
|
|
|
if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT)
|
|
return 0;
|
|
else
|
|
return -EIO;
|
|
}
|
|
|
|
/**
|
|
* lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
|
|
* @phba: lpfc_hba pointer.
|
|
*
|
|
* Description:
|
|
* Request SLI4 interface type-2 device to perform a physical register set
|
|
* access.
|
|
*
|
|
* Returns:
|
|
* zero for success
|
|
**/
|
|
static ssize_t
|
|
lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
|
|
{
|
|
struct completion online_compl;
|
|
struct pci_dev *pdev = phba->pcidev;
|
|
uint32_t before_fc_flag;
|
|
uint32_t sriov_nr_virtfn;
|
|
uint32_t reg_val;
|
|
int status = 0, rc = 0;
|
|
int job_posted = 1, sriov_err;
|
|
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return -EACCES;
|
|
|
|
if ((phba->sli_rev < LPFC_SLI_REV4) ||
|
|
(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
|
|
LPFC_SLI_INTF_IF_TYPE_2))
|
|
return -EPERM;
|
|
|
|
/* Keep state if we need to restore back */
|
|
before_fc_flag = phba->pport->fc_flag;
|
|
sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn;
|
|
|
|
/* Disable SR-IOV virtual functions if enabled */
|
|
if (phba->cfg_sriov_nr_virtfn) {
|
|
pci_disable_sriov(pdev);
|
|
phba->cfg_sriov_nr_virtfn = 0;
|
|
}
|
|
|
|
if (opcode == LPFC_FW_DUMP)
|
|
phba->hba_flag |= HBA_FW_DUMP_OP;
|
|
|
|
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
|
|
|
|
if (status != 0) {
|
|
phba->hba_flag &= ~HBA_FW_DUMP_OP;
|
|
return status;
|
|
}
|
|
|
|
/* wait for the device to be quiesced before firmware reset */
|
|
msleep(100);
|
|
|
|
reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PDEV_CTL_OFFSET);
|
|
|
|
if (opcode == LPFC_FW_DUMP)
|
|
reg_val |= LPFC_FW_DUMP_REQUEST;
|
|
else if (opcode == LPFC_FW_RESET)
|
|
reg_val |= LPFC_CTL_PDEV_CTL_FRST;
|
|
else if (opcode == LPFC_DV_RESET)
|
|
reg_val |= LPFC_CTL_PDEV_CTL_DRST;
|
|
|
|
writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
|
|
LPFC_CTL_PDEV_CTL_OFFSET);
|
|
/* flush */
|
|
readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
|
|
|
|
/* delay driver action following IF_TYPE_2 reset */
|
|
rc = lpfc_sli4_pdev_status_reg_wait(phba);
|
|
|
|
if (rc == -EPERM) {
|
|
/* no privilege for reset */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"3150 No privilege to perform the requested "
|
|
"access: x%x\n", reg_val);
|
|
} else if (rc == -EIO) {
|
|
/* reset failed, there is nothing more we can do */
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
|
|
"3153 Fail to perform the requested "
|
|
"access: x%x\n", reg_val);
|
|
return rc;
|
|
}
|
|
|
|
/* keep the original port state */
|
|
if (before_fc_flag & FC_OFFLINE_MODE)
|
|
goto out;
|
|
|
|
init_completion(&online_compl);
|
|
job_posted = lpfc_workq_post_event(phba, &status, &online_compl,
|
|
LPFC_EVT_ONLINE);
|
|
if (!job_posted)
|
|
goto out;
|
|
|
|
wait_for_completion(&online_compl);
|
|
|
|
out:
|
|
/* in any case, restore the virtual functions enabled as before */
|
|
if (sriov_nr_virtfn) {
|
|
sriov_err =
|
|
lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn);
|
|
if (!sriov_err)
|
|
phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn;
|
|
}
|
|
|
|
/* return proper error code */
|
|
if (!rc) {
|
|
if (!job_posted)
|
|
rc = -ENOMEM;
|
|
else if (status)
|
|
rc = -EIO;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_nport_evt_cnt_show - Return the number of nport events
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the ascii number of nport events.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
|
|
}
|
|
|
|
/**
|
|
* lpfc_board_mode_show - Return the state of the board
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the state of the adapter.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
char * state;
|
|
|
|
if (phba->link_state == LPFC_HBA_ERROR)
|
|
state = "error";
|
|
else if (phba->link_state == LPFC_WARM_START)
|
|
state = "warm start";
|
|
else if (phba->link_state == LPFC_INIT_START)
|
|
state = "offline";
|
|
else
|
|
state = "online";
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", state);
|
|
}
|
|
|
|
/**
|
|
* lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing one of the strings "online", "offline", "warm" or "error".
|
|
* @count: unused variable.
|
|
*
|
|
* Returns:
|
|
* -EACCES if enable hba reset not enabled
|
|
* -EINVAL if the buffer does not contain a valid string (see above)
|
|
* -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
|
|
* buf length greater than zero indicates success
|
|
**/
|
|
static ssize_t
|
|
lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct completion online_compl;
|
|
char *board_mode_str = NULL;
|
|
int status = 0;
|
|
int rc;
|
|
|
|
if (!phba->cfg_enable_hba_reset) {
|
|
status = -EACCES;
|
|
goto board_mode_out;
|
|
}
|
|
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3050 lpfc_board_mode set to %s\n", buf);
|
|
|
|
init_completion(&online_compl);
|
|
|
|
if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
|
|
rc = lpfc_workq_post_event(phba, &status, &online_compl,
|
|
LPFC_EVT_ONLINE);
|
|
if (rc == 0) {
|
|
status = -ENOMEM;
|
|
goto board_mode_out;
|
|
}
|
|
wait_for_completion(&online_compl);
|
|
} else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
|
|
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
|
|
else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
|
|
if (phba->sli_rev == LPFC_SLI_REV4)
|
|
status = -EINVAL;
|
|
else
|
|
status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
|
|
else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
|
|
if (phba->sli_rev == LPFC_SLI_REV4)
|
|
status = -EINVAL;
|
|
else
|
|
status = lpfc_do_offline(phba, LPFC_EVT_KILL);
|
|
else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
|
|
status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
|
|
else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
|
|
status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
|
|
else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
|
|
status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
|
|
else
|
|
status = -EINVAL;
|
|
|
|
board_mode_out:
|
|
if (!status)
|
|
return strlen(buf);
|
|
else {
|
|
board_mode_str = strchr(buf, '\n');
|
|
if (board_mode_str)
|
|
*board_mode_str = '\0';
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3097 Failed \"%s\", status(%d), "
|
|
"fc_flag(x%x)\n",
|
|
buf, status, phba->pport->fc_flag);
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_hba_info - Return various bits of informaton about the adapter
|
|
* @phba: pointer to the adapter structure.
|
|
* @mxri: max xri count.
|
|
* @axri: available xri count.
|
|
* @mrpi: max rpi count.
|
|
* @arpi: available rpi count.
|
|
* @mvpi: max vpi count.
|
|
* @avpi: available vpi count.
|
|
*
|
|
* Description:
|
|
* If an integer pointer for an count is not null then the value for the
|
|
* count is returned.
|
|
*
|
|
* Returns:
|
|
* zero on error
|
|
* one for success
|
|
**/
|
|
static int
|
|
lpfc_get_hba_info(struct lpfc_hba *phba,
|
|
uint32_t *mxri, uint32_t *axri,
|
|
uint32_t *mrpi, uint32_t *arpi,
|
|
uint32_t *mvpi, uint32_t *avpi)
|
|
{
|
|
struct lpfc_mbx_read_config *rd_config;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
MAILBOX_t *pmb;
|
|
int rc = 0;
|
|
uint32_t max_vpi;
|
|
|
|
/*
|
|
* prevent udev from issuing mailbox commands until the port is
|
|
* configured.
|
|
*/
|
|
if (phba->link_state < LPFC_LINK_DOWN ||
|
|
!phba->mbox_mem_pool ||
|
|
(phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
|
|
return 0;
|
|
|
|
if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
|
|
return 0;
|
|
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmboxq)
|
|
return 0;
|
|
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
|
|
pmb = &pmboxq->u.mb;
|
|
pmb->mbxCommand = MBX_READ_CONFIG;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
|
|
if (phba->pport->fc_flag & FC_OFFLINE_MODE)
|
|
rc = MBX_NOT_FINISHED;
|
|
else
|
|
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
return 0;
|
|
}
|
|
|
|
if (phba->sli_rev == LPFC_SLI_REV4) {
|
|
rd_config = &pmboxq->u.mqe.un.rd_config;
|
|
if (mrpi)
|
|
*mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
|
|
if (arpi)
|
|
*arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) -
|
|
phba->sli4_hba.max_cfg_param.rpi_used;
|
|
if (mxri)
|
|
*mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
|
|
if (axri)
|
|
*axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
|
|
phba->sli4_hba.max_cfg_param.xri_used;
|
|
|
|
/* Account for differences with SLI-3. Get vpi count from
|
|
* mailbox data and subtract one for max vpi value.
|
|
*/
|
|
max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
|
|
(bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
|
|
|
|
if (mvpi)
|
|
*mvpi = max_vpi;
|
|
if (avpi)
|
|
*avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
|
|
} else {
|
|
if (mrpi)
|
|
*mrpi = pmb->un.varRdConfig.max_rpi;
|
|
if (arpi)
|
|
*arpi = pmb->un.varRdConfig.avail_rpi;
|
|
if (mxri)
|
|
*mxri = pmb->un.varRdConfig.max_xri;
|
|
if (axri)
|
|
*axri = pmb->un.varRdConfig.avail_xri;
|
|
if (mvpi)
|
|
*mvpi = pmb->un.varRdConfig.max_vpi;
|
|
if (avpi)
|
|
*avpi = pmb->un.varRdConfig.avail_vpi;
|
|
}
|
|
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* lpfc_max_rpi_show - Return maximum rpi
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the maximum rpi count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mrpi count.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt;
|
|
|
|
if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_used_rpi_show - Return maximum rpi minus available rpi
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing the used rpi count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt, acnt;
|
|
|
|
if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_max_xri_show - Return maximum xri
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the maximum xri count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mrpi count.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt;
|
|
|
|
if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_used_xri_show - Return maximum xpi minus the available xpi
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the used xri count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt, acnt;
|
|
|
|
if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_max_vpi_show - Return maximum vpi
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the maximum vpi count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mvpi count.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt;
|
|
|
|
if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_used_vpi_show - Return maximum vpi minus the available vpi
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the used vpi count in decimal or "Unknown".
|
|
*
|
|
* Description:
|
|
* Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
|
|
* If lpfc_get_hba_info() returns zero (failure) the buffer text is set
|
|
* to "Unknown" and the buffer length is returned, therefore the caller
|
|
* must check for "Unknown" in the buffer to detect a failure.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t cnt, acnt;
|
|
|
|
if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
|
|
return snprintf(buf, PAGE_SIZE, "Unknown\n");
|
|
}
|
|
|
|
/**
|
|
* lpfc_npiv_info_show - Return text about NPIV support for the adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: text that must be interpreted to determine if npiv is supported.
|
|
*
|
|
* Description:
|
|
* Buffer will contain text indicating npiv is not suppoerted on the port,
|
|
* the port is an NPIV physical port, or it is an npiv virtual port with
|
|
* the id of the vport.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
if (!(phba->max_vpi))
|
|
return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
|
|
if (vport->port_type == LPFC_PHYSICAL_PORT)
|
|
return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
|
|
return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
|
|
}
|
|
|
|
/**
|
|
* lpfc_poll_show - Return text about poll support for the adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the cfg_poll in hex.
|
|
*
|
|
* Notes:
|
|
* cfg_poll should be a lpfc_polling_flags type.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_poll_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
|
|
}
|
|
|
|
/**
|
|
* lpfc_poll_store - Set the value of cfg_poll for the adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: one or more lpfc_polling_flags values.
|
|
* @count: not used.
|
|
*
|
|
* Notes:
|
|
* buf contents converted to integer and checked for a valid value.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buffer connot be converted or is out of range
|
|
* length of the buf on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_poll_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint32_t creg_val;
|
|
uint32_t old_val;
|
|
int val=0;
|
|
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
if ((val & 0x3) != val)
|
|
return -EINVAL;
|
|
|
|
if (phba->sli_rev == LPFC_SLI_REV4)
|
|
val = 0;
|
|
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3051 lpfc_poll changed from %d to %d\n",
|
|
phba->cfg_poll, val);
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
|
|
old_val = phba->cfg_poll;
|
|
|
|
if (val & ENABLE_FCP_RING_POLLING) {
|
|
if ((val & DISABLE_FCP_RING_INT) &&
|
|
!(old_val & DISABLE_FCP_RING_INT)) {
|
|
if (lpfc_readl(phba->HCregaddr, &creg_val)) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return -EINVAL;
|
|
}
|
|
creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
|
|
writel(creg_val, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
|
|
lpfc_poll_start_timer(phba);
|
|
}
|
|
} else if (val != 0x0) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!(val & DISABLE_FCP_RING_INT) &&
|
|
(old_val & DISABLE_FCP_RING_INT))
|
|
{
|
|
spin_unlock_irq(&phba->hbalock);
|
|
del_timer(&phba->fcp_poll_timer);
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (lpfc_readl(phba->HCregaddr, &creg_val)) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return -EINVAL;
|
|
}
|
|
creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
|
|
writel(creg_val, phba->HCregaddr);
|
|
readl(phba->HCregaddr); /* flush */
|
|
}
|
|
|
|
phba->cfg_poll = val;
|
|
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
return strlen(buf);
|
|
}
|
|
|
|
/**
|
|
* lpfc_fips_level_show - Return the current FIPS level for the HBA
|
|
* @dev: class unused variable.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the module description text.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_fips_level_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level);
|
|
}
|
|
|
|
/**
|
|
* lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
|
|
* @dev: class unused variable.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the module description text.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev);
|
|
}
|
|
|
|
/**
|
|
* lpfc_dss_show - Return the current state of dss and the configured state
|
|
* @dev: class converted to a Scsi_host structure.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the formatted text.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_dss_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n",
|
|
(phba->cfg_enable_dss) ? "Enabled" : "Disabled",
|
|
(phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ?
|
|
"" : "Not ");
|
|
}
|
|
|
|
/**
|
|
* lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions
|
|
* @dev: class converted to a Scsi_host structure.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the formatted support level.
|
|
*
|
|
* Description:
|
|
* Returns the maximum number of virtual functions a physical function can
|
|
* support, 0 will be returned if called on virtual function.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_sriov_hw_max_virtfn_show(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
uint16_t max_nr_virtfn;
|
|
|
|
max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba);
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
|
|
}
|
|
|
|
/**
|
|
* lpfc_param_show - Return a cfg attribute value in decimal
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_show.
|
|
*
|
|
* lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the attribute value in decimal.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
#define lpfc_param_show(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
struct lpfc_hba *phba = vport->phba;\
|
|
uint val = 0;\
|
|
val = phba->cfg_##attr;\
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",\
|
|
phba->cfg_##attr);\
|
|
}
|
|
|
|
/**
|
|
* lpfc_param_hex_show - Return a cfg attribute value in hex
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_show
|
|
*
|
|
* lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the attribute value in hexadecimal.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
#define lpfc_param_hex_show(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
struct lpfc_hba *phba = vport->phba;\
|
|
uint val = 0;\
|
|
val = phba->cfg_##attr;\
|
|
return snprintf(buf, PAGE_SIZE, "%#x\n",\
|
|
phba->cfg_##attr);\
|
|
}
|
|
|
|
/**
|
|
* lpfc_param_init - Initializes a cfg attribute
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_init. The macro also
|
|
* takes a default argument, a minimum and maximum argument.
|
|
*
|
|
* lpfc_##attr##_init: Initializes an attribute.
|
|
* @phba: pointer the the adapter structure.
|
|
* @val: integer attribute value.
|
|
*
|
|
* Validates the min and max values then sets the adapter config field
|
|
* accordingly, or uses the default if out of range and prints an error message.
|
|
*
|
|
* Returns:
|
|
* zero on success
|
|
* -EINVAL if default used
|
|
**/
|
|
#define lpfc_param_init(attr, default, minval, maxval) \
|
|
static int \
|
|
lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
|
|
{ \
|
|
if (val >= minval && val <= maxval) {\
|
|
phba->cfg_##attr = val;\
|
|
return 0;\
|
|
}\
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
|
|
"0449 lpfc_"#attr" attribute cannot be set to %d, "\
|
|
"allowed range is ["#minval", "#maxval"]\n", val); \
|
|
phba->cfg_##attr = default;\
|
|
return -EINVAL;\
|
|
}
|
|
|
|
/**
|
|
* lpfc_param_set - Set a cfg attribute value
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_set
|
|
*
|
|
* lpfc_##attr##_set: Sets an attribute value.
|
|
* @phba: pointer the the adapter structure.
|
|
* @val: integer attribute value.
|
|
*
|
|
* Description:
|
|
* Validates the min and max values then sets the
|
|
* adapter config field if in the valid range. prints error message
|
|
* and does not set the parameter if invalid.
|
|
*
|
|
* Returns:
|
|
* zero on success
|
|
* -EINVAL if val is invalid
|
|
**/
|
|
#define lpfc_param_set(attr, default, minval, maxval) \
|
|
static int \
|
|
lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
|
|
{ \
|
|
if (val >= minval && val <= maxval) {\
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
|
|
"3052 lpfc_" #attr " changed from %d to %d\n", \
|
|
phba->cfg_##attr, val); \
|
|
phba->cfg_##attr = val;\
|
|
return 0;\
|
|
}\
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
|
|
"0450 lpfc_"#attr" attribute cannot be set to %d, "\
|
|
"allowed range is ["#minval", "#maxval"]\n", val); \
|
|
return -EINVAL;\
|
|
}
|
|
|
|
/**
|
|
* lpfc_param_store - Set a vport attribute value
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_store.
|
|
*
|
|
* lpfc_##attr##_store: Set an sttribute value.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: contains the attribute value in ascii.
|
|
* @count: not used.
|
|
*
|
|
* Description:
|
|
* Convert the ascii text number to an integer, then
|
|
* use the lpfc_##attr##_set function to set the value.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if val is invalid or lpfc_##attr##_set() fails
|
|
* length of buffer upon success.
|
|
**/
|
|
#define lpfc_param_store(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
struct lpfc_hba *phba = vport->phba;\
|
|
uint val = 0;\
|
|
if (!isdigit(buf[0]))\
|
|
return -EINVAL;\
|
|
if (sscanf(buf, "%i", &val) != 1)\
|
|
return -EINVAL;\
|
|
if (lpfc_##attr##_set(phba, val) == 0) \
|
|
return strlen(buf);\
|
|
else \
|
|
return -EINVAL;\
|
|
}
|
|
|
|
/**
|
|
* lpfc_vport_param_show - Return decimal formatted cfg attribute value
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_show
|
|
*
|
|
* lpfc_##attr##_show: prints the attribute value in decimal.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the attribute value in decimal.
|
|
*
|
|
* Returns: length of formatted string.
|
|
**/
|
|
#define lpfc_vport_param_show(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
uint val = 0;\
|
|
val = vport->cfg_##attr;\
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
|
|
}
|
|
|
|
/**
|
|
* lpfc_vport_param_hex_show - Return hex formatted attribute value
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g.
|
|
* hba_queue_depth expands into a function with the name
|
|
* lpfc_hba_queue_depth_show
|
|
*
|
|
* lpfc_##attr##_show: prints the attribute value in hexadecimal.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the attribute value in hexadecimal.
|
|
*
|
|
* Returns: length of formatted string.
|
|
**/
|
|
#define lpfc_vport_param_hex_show(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
uint val = 0;\
|
|
val = vport->cfg_##attr;\
|
|
return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
|
|
}
|
|
|
|
/**
|
|
* lpfc_vport_param_init - Initialize a vport cfg attribute
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_init. The macro also
|
|
* takes a default argument, a minimum and maximum argument.
|
|
*
|
|
* lpfc_##attr##_init: validates the min and max values then sets the
|
|
* adapter config field accordingly, or uses the default if out of range
|
|
* and prints an error message.
|
|
* @phba: pointer the the adapter structure.
|
|
* @val: integer attribute value.
|
|
*
|
|
* Returns:
|
|
* zero on success
|
|
* -EINVAL if default used
|
|
**/
|
|
#define lpfc_vport_param_init(attr, default, minval, maxval) \
|
|
static int \
|
|
lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
|
|
{ \
|
|
if (val >= minval && val <= maxval) {\
|
|
vport->cfg_##attr = val;\
|
|
return 0;\
|
|
}\
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
|
|
"0423 lpfc_"#attr" attribute cannot be set to %d, "\
|
|
"allowed range is ["#minval", "#maxval"]\n", val); \
|
|
vport->cfg_##attr = default;\
|
|
return -EINVAL;\
|
|
}
|
|
|
|
/**
|
|
* lpfc_vport_param_set - Set a vport cfg attribute
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth expands
|
|
* into a function with the name lpfc_hba_queue_depth_set
|
|
*
|
|
* lpfc_##attr##_set: validates the min and max values then sets the
|
|
* adapter config field if in the valid range. prints error message
|
|
* and does not set the parameter if invalid.
|
|
* @phba: pointer the the adapter structure.
|
|
* @val: integer attribute value.
|
|
*
|
|
* Returns:
|
|
* zero on success
|
|
* -EINVAL if val is invalid
|
|
**/
|
|
#define lpfc_vport_param_set(attr, default, minval, maxval) \
|
|
static int \
|
|
lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
|
|
{ \
|
|
if (val >= minval && val <= maxval) {\
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
|
|
"3053 lpfc_" #attr \
|
|
" changed from %d (x%x) to %d (x%x)\n", \
|
|
vport->cfg_##attr, vport->cfg_##attr, \
|
|
val, val); \
|
|
vport->cfg_##attr = val;\
|
|
return 0;\
|
|
}\
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
|
|
"0424 lpfc_"#attr" attribute cannot be set to %d, "\
|
|
"allowed range is ["#minval", "#maxval"]\n", val); \
|
|
return -EINVAL;\
|
|
}
|
|
|
|
/**
|
|
* lpfc_vport_param_store - Set a vport attribute
|
|
*
|
|
* Description:
|
|
* Macro that given an attr e.g. hba_queue_depth
|
|
* expands into a function with the name lpfc_hba_queue_depth_store
|
|
*
|
|
* lpfc_##attr##_store: convert the ascii text number to an integer, then
|
|
* use the lpfc_##attr##_set function to set the value.
|
|
* @cdev: class device that is converted into a Scsi_host.
|
|
* @buf: contains the attribute value in decimal.
|
|
* @count: not used.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if val is invalid or lpfc_##attr##_set() fails
|
|
* length of buffer upon success.
|
|
**/
|
|
#define lpfc_vport_param_store(attr) \
|
|
static ssize_t \
|
|
lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
|
|
const char *buf, size_t count) \
|
|
{ \
|
|
struct Scsi_Host *shost = class_to_shost(dev);\
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
|
|
uint val = 0;\
|
|
if (!isdigit(buf[0]))\
|
|
return -EINVAL;\
|
|
if (sscanf(buf, "%i", &val) != 1)\
|
|
return -EINVAL;\
|
|
if (lpfc_##attr##_set(vport, val) == 0) \
|
|
return strlen(buf);\
|
|
else \
|
|
return -EINVAL;\
|
|
}
|
|
|
|
|
|
#define LPFC_ATTR(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_param_init(name, defval, minval, maxval)
|
|
|
|
#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_param_show(name)\
|
|
lpfc_param_init(name, defval, minval, maxval)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
|
|
|
|
#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_param_show(name)\
|
|
lpfc_param_init(name, defval, minval, maxval)\
|
|
lpfc_param_set(name, defval, minval, maxval)\
|
|
lpfc_param_store(name)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
|
|
lpfc_##name##_show, lpfc_##name##_store)
|
|
|
|
#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_param_hex_show(name)\
|
|
lpfc_param_init(name, defval, minval, maxval)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
|
|
|
|
#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_param_hex_show(name)\
|
|
lpfc_param_init(name, defval, minval, maxval)\
|
|
lpfc_param_set(name, defval, minval, maxval)\
|
|
lpfc_param_store(name)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
|
|
lpfc_##name##_show, lpfc_##name##_store)
|
|
|
|
#define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)
|
|
|
|
#define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_show(name)\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
|
|
|
|
#define LPFC_VPORT_ULL_ATTR_R(name, defval, minval, maxval, desc) \
|
|
static uint64_t lpfc_##name = defval;\
|
|
module_param(lpfc_##name, ullong, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_show(name)\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
|
|
|
|
#define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_show(name)\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)\
|
|
lpfc_vport_param_set(name, defval, minval, maxval)\
|
|
lpfc_vport_param_store(name)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
|
|
lpfc_##name##_show, lpfc_##name##_store)
|
|
|
|
#define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_hex_show(name)\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
|
|
|
|
#define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
|
|
static uint lpfc_##name = defval;\
|
|
module_param(lpfc_##name, uint, S_IRUGO);\
|
|
MODULE_PARM_DESC(lpfc_##name, desc);\
|
|
lpfc_vport_param_hex_show(name)\
|
|
lpfc_vport_param_init(name, defval, minval, maxval)\
|
|
lpfc_vport_param_set(name, defval, minval, maxval)\
|
|
lpfc_vport_param_store(name)\
|
|
static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
|
|
lpfc_##name##_show, lpfc_##name##_store)
|
|
|
|
static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL);
|
|
static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL);
|
|
static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL);
|
|
static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL);
|
|
static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
|
|
static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
|
|
static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
|
|
static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
|
|
static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
|
|
static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
|
|
static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
|
|
static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
|
|
static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show,
|
|
lpfc_link_state_store);
|
|
static DEVICE_ATTR(option_rom_version, S_IRUGO,
|
|
lpfc_option_rom_version_show, NULL);
|
|
static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
|
|
lpfc_num_discovered_ports_show, NULL);
|
|
static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
|
|
static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
|
|
static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
|
|
static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL);
|
|
static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
|
|
lpfc_board_mode_show, lpfc_board_mode_store);
|
|
static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
|
|
static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
|
|
static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
|
|
static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
|
|
static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
|
|
static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
|
|
static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
|
|
static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
|
|
static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
|
|
static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL);
|
|
static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL);
|
|
static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL);
|
|
static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO,
|
|
lpfc_sriov_hw_max_virtfn_show, NULL);
|
|
static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
|
|
static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
|
|
NULL);
|
|
|
|
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
|
|
#define WWN_SZ 8
|
|
/**
|
|
* lpfc_wwn_set - Convert string to the 8 byte WWN value.
|
|
* @buf: WWN string.
|
|
* @cnt: Length of string.
|
|
* @wwn: Array to receive converted wwn value.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buffer does not contain a valid wwn
|
|
* 0 success
|
|
**/
|
|
static size_t
|
|
lpfc_wwn_set(const char *buf, size_t cnt, char wwn[])
|
|
{
|
|
unsigned int i, j;
|
|
|
|
/* Count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) ||
|
|
((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
|
|
return -EINVAL;
|
|
|
|
memset(wwn, 0, WWN_SZ);
|
|
|
|
/* Validate and store the new name */
|
|
for (i = 0, j = 0; i < 16; i++) {
|
|
if ((*buf >= 'a') && (*buf <= 'f'))
|
|
j = ((j << 4) | ((*buf++ - 'a') + 10));
|
|
else if ((*buf >= 'A') && (*buf <= 'F'))
|
|
j = ((j << 4) | ((*buf++ - 'A') + 10));
|
|
else if ((*buf >= '0') && (*buf <= '9'))
|
|
j = ((j << 4) | (*buf++ - '0'));
|
|
else
|
|
return -EINVAL;
|
|
if (i % 2) {
|
|
wwn[i/2] = j & 0xff;
|
|
j = 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
/**
|
|
* lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing the string lpfc_soft_wwn_key.
|
|
* @count: must be size of lpfc_soft_wwn_key.
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buffer does not contain lpfc_soft_wwn_key
|
|
* length of buf indicates success
|
|
**/
|
|
static ssize_t
|
|
lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
unsigned int cnt = count;
|
|
|
|
/*
|
|
* We're doing a simple sanity check for soft_wwpn setting.
|
|
* We require that the user write a specific key to enable
|
|
* the soft_wwpn attribute to be settable. Once the attribute
|
|
* is written, the enable key resets. If further updates are
|
|
* desired, the key must be written again to re-enable the
|
|
* attribute.
|
|
*
|
|
* The "key" is not secret - it is a hardcoded string shown
|
|
* here. The intent is to protect against the random user or
|
|
* application that is just writing attributes.
|
|
*/
|
|
|
|
/* count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
if ((cnt != strlen(lpfc_soft_wwn_key)) ||
|
|
(strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
|
|
return -EINVAL;
|
|
|
|
phba->soft_wwn_enable = 1;
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
|
|
lpfc_soft_wwn_enable_store);
|
|
|
|
/**
|
|
* lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the wwpn in hexadecimal.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
|
|
(unsigned long long)phba->cfg_soft_wwpn);
|
|
}
|
|
|
|
/**
|
|
* lpfc_soft_wwpn_store - Set the ww port name of the adapter
|
|
* @dev class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: contains the wwpn in hexadecimal.
|
|
* @count: number of wwpn bytes in buf
|
|
*
|
|
* Returns:
|
|
* -EACCES hba reset not enabled, adapter over temp
|
|
* -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
|
|
* -EIO error taking adapter offline or online
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct completion online_compl;
|
|
int stat1 = 0, stat2 = 0;
|
|
unsigned int cnt = count;
|
|
u8 wwpn[WWN_SZ];
|
|
int rc;
|
|
|
|
if (!phba->cfg_enable_hba_reset)
|
|
return -EACCES;
|
|
spin_lock_irq(&phba->hbalock);
|
|
if (phba->over_temp_state == HBA_OVER_TEMP) {
|
|
spin_unlock_irq(&phba->hbalock);
|
|
return -EACCES;
|
|
}
|
|
spin_unlock_irq(&phba->hbalock);
|
|
/* count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
if (!phba->soft_wwn_enable)
|
|
return -EINVAL;
|
|
|
|
/* lock setting wwpn, wwnn down */
|
|
phba->soft_wwn_enable = 0;
|
|
|
|
rc = lpfc_wwn_set(buf, cnt, wwpn);
|
|
if (!rc) {
|
|
/* not able to set wwpn, unlock it */
|
|
phba->soft_wwn_enable = 1;
|
|
return rc;
|
|
}
|
|
|
|
phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
|
|
fc_host_port_name(shost) = phba->cfg_soft_wwpn;
|
|
if (phba->cfg_soft_wwnn)
|
|
fc_host_node_name(shost) = phba->cfg_soft_wwnn;
|
|
|
|
dev_printk(KERN_NOTICE, &phba->pcidev->dev,
|
|
"lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
|
|
|
|
stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
|
|
if (stat1)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0463 lpfc_soft_wwpn attribute set failed to "
|
|
"reinit adapter - %d\n", stat1);
|
|
init_completion(&online_compl);
|
|
rc = lpfc_workq_post_event(phba, &stat2, &online_compl,
|
|
LPFC_EVT_ONLINE);
|
|
if (rc == 0)
|
|
return -ENOMEM;
|
|
|
|
wait_for_completion(&online_compl);
|
|
if (stat2)
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0464 lpfc_soft_wwpn attribute set failed to "
|
|
"reinit adapter - %d\n", stat2);
|
|
return (stat1 || stat2) ? -EIO : count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,
|
|
lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
|
|
|
|
/**
|
|
* lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the wwnn in hexadecimal.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
|
|
(unsigned long long)phba->cfg_soft_wwnn);
|
|
}
|
|
|
|
/**
|
|
* lpfc_soft_wwnn_store - sets the ww node name of the adapter
|
|
* @cdev: class device that is converted into a Scsi_host.
|
|
* @buf: contains the ww node name in hexadecimal.
|
|
* @count: number of wwnn bytes in buf.
|
|
*
|
|
* Returns:
|
|
* -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
unsigned int cnt = count;
|
|
u8 wwnn[WWN_SZ];
|
|
int rc;
|
|
|
|
/* count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
if (!phba->soft_wwn_enable)
|
|
return -EINVAL;
|
|
|
|
rc = lpfc_wwn_set(buf, cnt, wwnn);
|
|
if (!rc) {
|
|
/* Allow wwnn to be set many times, as long as the enable
|
|
* is set. However, once the wwpn is set, everything locks.
|
|
*/
|
|
return rc;
|
|
}
|
|
|
|
phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
|
|
|
|
dev_printk(KERN_NOTICE, &phba->pcidev->dev,
|
|
"lpfc%d: soft_wwnn set. Value will take effect upon "
|
|
"setting of the soft_wwpn\n", phba->brd_no);
|
|
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,
|
|
lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
|
|
|
|
/**
|
|
* lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for
|
|
* Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* Returns:
|
|
* value of count
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
|
|
wwn_to_u64(phba->cfg_oas_tgt_wwpn));
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for
|
|
* Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
* @count: Size of the data buffer.
|
|
*
|
|
* Returns:
|
|
* -EINVAL count is invalid, invalid wwpn byte invalid
|
|
* -EPERM oas is not supported by hba
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
unsigned int cnt = count;
|
|
uint8_t wwpn[WWN_SZ];
|
|
int rc;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
/* count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
rc = lpfc_wwn_set(buf, cnt, wwpn);
|
|
if (rc)
|
|
return rc;
|
|
|
|
memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
|
|
memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t)));
|
|
if (wwn_to_u64(wwpn) == 0)
|
|
phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET;
|
|
else
|
|
phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET;
|
|
phba->cfg_oas_flags &= ~OAS_LUN_VALID;
|
|
phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR,
|
|
lpfc_oas_tgt_show, lpfc_oas_tgt_store);
|
|
|
|
/**
|
|
* lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled
|
|
* for Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* Returns:
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
|
|
wwn_to_u64(phba->cfg_oas_vpt_wwpn));
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled
|
|
* for Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
* @count: Size of the data buffer.
|
|
*
|
|
* Returns:
|
|
* -EINVAL count is invalid, invalid wwpn byte invalid
|
|
* -EPERM oas is not supported by hba
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
unsigned int cnt = count;
|
|
uint8_t wwpn[WWN_SZ];
|
|
int rc;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
/* count may include a LF at end of string */
|
|
if (buf[cnt-1] == '\n')
|
|
cnt--;
|
|
|
|
rc = lpfc_wwn_set(buf, cnt, wwpn);
|
|
if (rc)
|
|
return rc;
|
|
|
|
memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
|
|
memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t)));
|
|
if (wwn_to_u64(wwpn) == 0)
|
|
phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT;
|
|
else
|
|
phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT;
|
|
phba->cfg_oas_flags &= ~OAS_LUN_VALID;
|
|
phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN;
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR,
|
|
lpfc_oas_vpt_show, lpfc_oas_vpt_store);
|
|
|
|
/**
|
|
* lpfc_oas_lun_state_show - Return the current state (enabled or disabled)
|
|
* of whether luns will be enabled or disabled
|
|
* for Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* Returns:
|
|
* size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state);
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_lun_state_store - Store the state (enabled or disabled)
|
|
* of whether luns will be enabled or disabled
|
|
* for Optimized Access Storage (OAS) operations.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
* @count: Size of the data buffer.
|
|
*
|
|
* Returns:
|
|
* -EINVAL count is invalid, invalid wwpn byte invalid
|
|
* -EPERM oas is not supported by hba
|
|
* value of count on success
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
int val = 0;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
if ((val != 0) && (val != 1))
|
|
return -EINVAL;
|
|
|
|
phba->cfg_oas_lun_state = val;
|
|
|
|
return strlen(buf);
|
|
}
|
|
static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR,
|
|
lpfc_oas_lun_state_show, lpfc_oas_lun_state_store);
|
|
|
|
/**
|
|
* lpfc_oas_lun_status_show - Return the status of the Optimized Access
|
|
* Storage (OAS) lun returned by the
|
|
* lpfc_oas_lun_show function.
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* Returns:
|
|
* size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
if (!(phba->cfg_oas_flags & OAS_LUN_VALID))
|
|
return -EFAULT;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status);
|
|
}
|
|
static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO,
|
|
lpfc_oas_lun_status_show, NULL);
|
|
|
|
|
|
/**
|
|
* lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage
|
|
* (OAS) operations.
|
|
* @phba: lpfc_hba pointer.
|
|
* @ndlp: pointer to fcp target node.
|
|
* @lun: the fc lun for setting oas state.
|
|
* @oas_state: the oas state to be set to the lun.
|
|
*
|
|
* Returns:
|
|
* SUCCESS : 0
|
|
* -EPERM OAS is not enabled or not supported by this port.
|
|
*
|
|
*/
|
|
static size_t
|
|
lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
|
|
uint8_t tgt_wwpn[], uint64_t lun, uint32_t oas_state)
|
|
{
|
|
|
|
int rc = 0;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
if (oas_state) {
|
|
if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
|
|
(struct lpfc_name *)tgt_wwpn, lun))
|
|
rc = -ENOMEM;
|
|
} else {
|
|
lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn,
|
|
(struct lpfc_name *)tgt_wwpn, lun);
|
|
}
|
|
return rc;
|
|
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized
|
|
* Access Storage (OAS) operations.
|
|
* @phba: lpfc_hba pointer.
|
|
* @vpt_wwpn: wwpn of the vport associated with the returned lun
|
|
* @tgt_wwpn: wwpn of the target associated with the returned lun
|
|
* @lun_status: status of the lun returned lun
|
|
*
|
|
* Returns the first or next lun enabled for OAS operations for the vport/target
|
|
* specified. If a lun is found, its vport wwpn, target wwpn and status is
|
|
* returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned.
|
|
*
|
|
* Return:
|
|
* lun that is OAS enabled for the vport/target
|
|
* NOT_OAS_ENABLED_LUN when no oas enabled lun found.
|
|
*/
|
|
static uint64_t
|
|
lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
|
|
uint8_t tgt_wwpn[], uint32_t *lun_status)
|
|
{
|
|
uint64_t found_lun;
|
|
|
|
if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn)
|
|
return NOT_OAS_ENABLED_LUN;
|
|
if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *)
|
|
phba->sli4_hba.oas_next_vpt_wwpn,
|
|
(struct lpfc_name *)
|
|
phba->sli4_hba.oas_next_tgt_wwpn,
|
|
&phba->sli4_hba.oas_next_lun,
|
|
(struct lpfc_name *)vpt_wwpn,
|
|
(struct lpfc_name *)tgt_wwpn,
|
|
&found_lun, lun_status))
|
|
return found_lun;
|
|
else
|
|
return NOT_OAS_ENABLED_LUN;
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_lun_state_change - enable/disable a lun for OAS operations
|
|
* @phba: lpfc_hba pointer.
|
|
* @vpt_wwpn: vport wwpn by reference.
|
|
* @tgt_wwpn: target wwpn by reference.
|
|
* @lun: the fc lun for setting oas state.
|
|
* @oas_state: the oas state to be set to the oas_lun.
|
|
*
|
|
* This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE)
|
|
* a lun for OAS operations.
|
|
*
|
|
* Return:
|
|
* SUCCESS: 0
|
|
* -ENOMEM: failed to enable an lun for OAS operations
|
|
* -EPERM: OAS is not enabled
|
|
*/
|
|
static ssize_t
|
|
lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
|
|
uint8_t tgt_wwpn[], uint64_t lun,
|
|
uint32_t oas_state)
|
|
{
|
|
|
|
int rc;
|
|
|
|
rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
|
|
oas_state);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_lun_show - Return oas enabled luns from a chosen target
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* This routine returns a lun enabled for OAS each time the function
|
|
* is called.
|
|
*
|
|
* Returns:
|
|
* SUCCESS: size of formatted string.
|
|
* -EFAULT: target or vport wwpn was not set properly.
|
|
* -EPERM: oas is not enabled.
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
|
|
uint64_t oas_lun;
|
|
int len = 0;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
|
|
if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT))
|
|
return -EFAULT;
|
|
|
|
if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
|
|
if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET))
|
|
return -EFAULT;
|
|
|
|
oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn,
|
|
phba->cfg_oas_tgt_wwpn,
|
|
&phba->cfg_oas_lun_status);
|
|
if (oas_lun != NOT_OAS_ENABLED_LUN)
|
|
phba->cfg_oas_flags |= OAS_LUN_VALID;
|
|
|
|
len += snprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun);
|
|
|
|
return len;
|
|
}
|
|
|
|
/**
|
|
* lpfc_oas_lun_store - Sets the OAS state for lun
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: buffer for passing information.
|
|
*
|
|
* This function sets the OAS state for lun. Before this function is called,
|
|
* the vport wwpn, target wwpn, and oas state need to be set.
|
|
*
|
|
* Returns:
|
|
* SUCCESS: size of formatted string.
|
|
* -EFAULT: target or vport wwpn was not set properly.
|
|
* -EPERM: oas is not enabled.
|
|
* size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
|
|
uint64_t scsi_lun;
|
|
ssize_t rc;
|
|
|
|
if (!phba->cfg_fof)
|
|
return -EPERM;
|
|
|
|
if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0)
|
|
return -EFAULT;
|
|
|
|
if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0)
|
|
return -EFAULT;
|
|
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
|
|
if (sscanf(buf, "0x%llx", &scsi_lun) != 1)
|
|
return -EINVAL;
|
|
|
|
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
|
|
"3372 Try to set vport 0x%llx target 0x%llx lun:%lld "
|
|
"with oas set to %d\n",
|
|
wwn_to_u64(phba->cfg_oas_vpt_wwpn),
|
|
wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun,
|
|
phba->cfg_oas_lun_state);
|
|
|
|
rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn,
|
|
phba->cfg_oas_tgt_wwpn, scsi_lun,
|
|
phba->cfg_oas_lun_state);
|
|
|
|
if (rc)
|
|
return rc;
|
|
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR,
|
|
lpfc_oas_lun_show, lpfc_oas_lun_store);
|
|
|
|
static int lpfc_poll = 0;
|
|
module_param(lpfc_poll, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
|
|
" 0 - none,"
|
|
" 1 - poll with interrupts enabled"
|
|
" 3 - poll and disable FCP ring interrupts");
|
|
|
|
static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
|
|
lpfc_poll_show, lpfc_poll_store);
|
|
|
|
int lpfc_sli_mode = 0;
|
|
module_param(lpfc_sli_mode, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
|
|
" 0 - auto (SLI-3 if supported),"
|
|
" 2 - select SLI-2 even on SLI-3 capable HBAs,"
|
|
" 3 - select SLI-3");
|
|
|
|
int lpfc_enable_npiv = 1;
|
|
module_param(lpfc_enable_npiv, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
|
|
lpfc_param_show(enable_npiv);
|
|
lpfc_param_init(enable_npiv, 1, 0, 1);
|
|
static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
|
|
|
|
LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2,
|
|
"FCF Fast failover=1 Priority failover=2");
|
|
|
|
int lpfc_enable_rrq = 2;
|
|
module_param(lpfc_enable_rrq, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality");
|
|
lpfc_param_show(enable_rrq);
|
|
/*
|
|
# lpfc_enable_rrq: Track XRI/OXID reuse after IO failures
|
|
# 0x0 = disabled, XRI/OXID use not tracked.
|
|
# 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent.
|
|
# 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent.
|
|
*/
|
|
lpfc_param_init(enable_rrq, 2, 0, 2);
|
|
static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL);
|
|
|
|
/*
|
|
# lpfc_suppress_link_up: Bring link up at initialization
|
|
# 0x0 = bring link up (issue MBX_INIT_LINK)
|
|
# 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
|
|
# 0x2 = never bring up link
|
|
# Default value is 0.
|
|
*/
|
|
LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
|
|
LPFC_DELAY_INIT_LINK_INDEFINITELY,
|
|
"Suppress Link Up at initialization");
|
|
/*
|
|
# lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
|
|
# 1 - (1024)
|
|
# 2 - (2048)
|
|
# 3 - (3072)
|
|
# 4 - (4096)
|
|
# 5 - (5120)
|
|
*/
|
|
static ssize_t
|
|
lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max);
|
|
}
|
|
|
|
static DEVICE_ATTR(iocb_hw, S_IRUGO,
|
|
lpfc_iocb_hw_show, NULL);
|
|
static ssize_t
|
|
lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
phba->sli.ring[LPFC_ELS_RING].txq_max);
|
|
}
|
|
|
|
static DEVICE_ATTR(txq_hw, S_IRUGO,
|
|
lpfc_txq_hw_show, NULL);
|
|
static ssize_t
|
|
lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
phba->sli.ring[LPFC_ELS_RING].txcmplq_max);
|
|
}
|
|
|
|
static DEVICE_ATTR(txcmplq_hw, S_IRUGO,
|
|
lpfc_txcmplq_hw_show, NULL);
|
|
|
|
int lpfc_iocb_cnt = 2;
|
|
module_param(lpfc_iocb_cnt, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_iocb_cnt,
|
|
"Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
|
|
lpfc_param_show(iocb_cnt);
|
|
lpfc_param_init(iocb_cnt, 2, 1, 5);
|
|
static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO,
|
|
lpfc_iocb_cnt_show, NULL);
|
|
|
|
/*
|
|
# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
|
|
# until the timer expires. Value range is [0,255]. Default value is 30.
|
|
*/
|
|
static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
|
|
static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
|
|
module_param(lpfc_nodev_tmo, int, 0);
|
|
MODULE_PARM_DESC(lpfc_nodev_tmo,
|
|
"Seconds driver will hold I/O waiting "
|
|
"for a device to come back");
|
|
|
|
/**
|
|
* lpfc_nodev_tmo_show - Return the hba dev loss timeout value
|
|
* @dev: class converted to a Scsi_host structure.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains the dev loss timeout in decimal.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
|
|
}
|
|
|
|
/**
|
|
* lpfc_nodev_tmo_init - Set the hba nodev timeout value
|
|
* @vport: lpfc vport structure pointer.
|
|
* @val: contains the nodev timeout value.
|
|
*
|
|
* Description:
|
|
* If the devloss tmo is already set then nodev tmo is set to devloss tmo,
|
|
* a kernel error message is printed and zero is returned.
|
|
* Else if val is in range then nodev tmo and devloss tmo are set to val.
|
|
* Otherwise nodev tmo is set to the default value.
|
|
*
|
|
* Returns:
|
|
* zero if already set or if val is in range
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
|
|
{
|
|
if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
|
|
vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
|
|
if (val != LPFC_DEF_DEVLOSS_TMO)
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0407 Ignoring nodev_tmo module "
|
|
"parameter because devloss_tmo is "
|
|
"set.\n");
|
|
return 0;
|
|
}
|
|
|
|
if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
|
|
vport->cfg_nodev_tmo = val;
|
|
vport->cfg_devloss_tmo = val;
|
|
return 0;
|
|
}
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0400 lpfc_nodev_tmo attribute cannot be set to"
|
|
" %d, allowed range is [%d, %d]\n",
|
|
val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
|
|
vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* lpfc_update_rport_devloss_tmo - Update dev loss tmo value
|
|
* @vport: lpfc vport structure pointer.
|
|
*
|
|
* Description:
|
|
* Update all the ndlp's dev loss tmo with the vport devloss tmo value.
|
|
**/
|
|
static void
|
|
lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct lpfc_nodelist *ndlp;
|
|
|
|
shost = lpfc_shost_from_vport(vport);
|
|
spin_lock_irq(shost->host_lock);
|
|
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
|
|
if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
|
|
ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
|
|
* @vport: lpfc vport structure pointer.
|
|
* @val: contains the tmo value.
|
|
*
|
|
* Description:
|
|
* If the devloss tmo is already set or the vport dev loss tmo has changed
|
|
* then a kernel error message is printed and zero is returned.
|
|
* Else if val is in range then nodev tmo and devloss tmo are set to val.
|
|
* Otherwise nodev tmo is set to the default value.
|
|
*
|
|
* Returns:
|
|
* zero if already set or if val is in range
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
|
|
{
|
|
if (vport->dev_loss_tmo_changed ||
|
|
(lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0401 Ignoring change to nodev_tmo "
|
|
"because devloss_tmo is set.\n");
|
|
return 0;
|
|
}
|
|
if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
|
|
vport->cfg_nodev_tmo = val;
|
|
vport->cfg_devloss_tmo = val;
|
|
/*
|
|
* For compat: set the fc_host dev loss so new rports
|
|
* will get the value.
|
|
*/
|
|
fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
|
|
lpfc_update_rport_devloss_tmo(vport);
|
|
return 0;
|
|
}
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0403 lpfc_nodev_tmo attribute cannot be set to"
|
|
"%d, allowed range is [%d, %d]\n",
|
|
val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
|
|
return -EINVAL;
|
|
}
|
|
|
|
lpfc_vport_param_store(nodev_tmo)
|
|
|
|
static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
|
|
lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
|
|
|
|
/*
|
|
# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
|
|
# disappear until the timer expires. Value range is [0,255]. Default
|
|
# value is 30.
|
|
*/
|
|
module_param(lpfc_devloss_tmo, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_devloss_tmo,
|
|
"Seconds driver will hold I/O waiting "
|
|
"for a device to come back");
|
|
lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
|
|
LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
|
|
lpfc_vport_param_show(devloss_tmo)
|
|
|
|
/**
|
|
* lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
|
|
* @vport: lpfc vport structure pointer.
|
|
* @val: contains the tmo value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range then set the vport nodev tmo,
|
|
* devloss tmo, also set the vport dev loss tmo changed flag.
|
|
* Else a kernel error message is printed.
|
|
*
|
|
* Returns:
|
|
* zero if val is in range
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
|
|
{
|
|
if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
|
|
vport->cfg_nodev_tmo = val;
|
|
vport->cfg_devloss_tmo = val;
|
|
vport->dev_loss_tmo_changed = 1;
|
|
fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val;
|
|
lpfc_update_rport_devloss_tmo(vport);
|
|
return 0;
|
|
}
|
|
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0404 lpfc_devloss_tmo attribute cannot be set to"
|
|
" %d, allowed range is [%d, %d]\n",
|
|
val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
|
|
return -EINVAL;
|
|
}
|
|
|
|
lpfc_vport_param_store(devloss_tmo)
|
|
static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
|
|
lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
|
|
|
|
/*
|
|
# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
|
|
# deluged with LOTS of information.
|
|
# You can set a bit mask to record specific types of verbose messages:
|
|
# See lpfc_logmsh.h for definitions.
|
|
*/
|
|
LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff,
|
|
"Verbose logging bit-mask");
|
|
|
|
/*
|
|
# lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
|
|
# objects that have been registered with the nameserver after login.
|
|
*/
|
|
LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1,
|
|
"Deregister nameserver objects before LOGO");
|
|
|
|
/*
|
|
# lun_queue_depth: This parameter is used to limit the number of outstanding
|
|
# commands per FCP LUN. Value range is [1,512]. Default value is 30.
|
|
# If this parameter value is greater than 1/8th the maximum number of exchanges
|
|
# supported by the HBA port, then the lun queue depth will be reduced to
|
|
# 1/8th the maximum number of exchanges.
|
|
*/
|
|
LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 512,
|
|
"Max number of FCP commands we can queue to a specific LUN");
|
|
|
|
/*
|
|
# tgt_queue_depth: This parameter is used to limit the number of outstanding
|
|
# commands per target port. Value range is [10,65535]. Default value is 65535.
|
|
*/
|
|
LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535,
|
|
"Max number of FCP commands we can queue to a specific target port");
|
|
|
|
/*
|
|
# hba_queue_depth: This parameter is used to limit the number of outstanding
|
|
# commands per lpfc HBA. Value range is [32,8192]. If this parameter
|
|
# value is greater than the maximum number of exchanges supported by the HBA,
|
|
# then maximum number of exchanges supported by the HBA is used to determine
|
|
# the hba_queue_depth.
|
|
*/
|
|
LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
|
|
"Max number of FCP commands we can queue to a lpfc HBA");
|
|
|
|
/*
|
|
# peer_port_login: This parameter allows/prevents logins
|
|
# between peer ports hosted on the same physical port.
|
|
# When this parameter is set 0 peer ports of same physical port
|
|
# are not allowed to login to each other.
|
|
# When this parameter is set 1 peer ports of same physical port
|
|
# are allowed to login to each other.
|
|
# Default value of this parameter is 0.
|
|
*/
|
|
LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
|
|
"Allow peer ports on the same physical port to login to each "
|
|
"other.");
|
|
|
|
/*
|
|
# restrict_login: This parameter allows/prevents logins
|
|
# between Virtual Ports and remote initiators.
|
|
# When this parameter is not set (0) Virtual Ports will accept PLOGIs from
|
|
# other initiators and will attempt to PLOGI all remote ports.
|
|
# When this parameter is set (1) Virtual Ports will reject PLOGIs from
|
|
# remote ports and will not attempt to PLOGI to other initiators.
|
|
# This parameter does not restrict to the physical port.
|
|
# This parameter does not restrict logins to Fabric resident remote ports.
|
|
# Default value of this parameter is 1.
|
|
*/
|
|
static int lpfc_restrict_login = 1;
|
|
module_param(lpfc_restrict_login, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_restrict_login,
|
|
"Restrict virtual ports login to remote initiators.");
|
|
lpfc_vport_param_show(restrict_login);
|
|
|
|
/**
|
|
* lpfc_restrict_login_init - Set the vport restrict login flag
|
|
* @vport: lpfc vport structure pointer.
|
|
* @val: contains the restrict login value.
|
|
*
|
|
* Description:
|
|
* If val is not in a valid range then log a kernel error message and set
|
|
* the vport restrict login to one.
|
|
* If the port type is physical clear the restrict login flag and return.
|
|
* Else set the restrict login flag to val.
|
|
*
|
|
* Returns:
|
|
* zero if val is in range
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
|
|
{
|
|
if (val < 0 || val > 1) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0422 lpfc_restrict_login attribute cannot "
|
|
"be set to %d, allowed range is [0, 1]\n",
|
|
val);
|
|
vport->cfg_restrict_login = 1;
|
|
return -EINVAL;
|
|
}
|
|
if (vport->port_type == LPFC_PHYSICAL_PORT) {
|
|
vport->cfg_restrict_login = 0;
|
|
return 0;
|
|
}
|
|
vport->cfg_restrict_login = val;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_restrict_login_set - Set the vport restrict login flag
|
|
* @vport: lpfc vport structure pointer.
|
|
* @val: contains the restrict login value.
|
|
*
|
|
* Description:
|
|
* If val is not in a valid range then log a kernel error message and set
|
|
* the vport restrict login to one.
|
|
* If the port type is physical and the val is not zero log a kernel
|
|
* error message, clear the restrict login flag and return zero.
|
|
* Else set the restrict login flag to val.
|
|
*
|
|
* Returns:
|
|
* zero if val is in range
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
|
|
{
|
|
if (val < 0 || val > 1) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0425 lpfc_restrict_login attribute cannot "
|
|
"be set to %d, allowed range is [0, 1]\n",
|
|
val);
|
|
vport->cfg_restrict_login = 1;
|
|
return -EINVAL;
|
|
}
|
|
if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"0468 lpfc_restrict_login must be 0 for "
|
|
"Physical ports.\n");
|
|
vport->cfg_restrict_login = 0;
|
|
return 0;
|
|
}
|
|
vport->cfg_restrict_login = val;
|
|
return 0;
|
|
}
|
|
lpfc_vport_param_store(restrict_login);
|
|
static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
|
|
lpfc_restrict_login_show, lpfc_restrict_login_store);
|
|
|
|
/*
|
|
# Some disk devices have a "select ID" or "select Target" capability.
|
|
# From a protocol standpoint "select ID" usually means select the
|
|
# Fibre channel "ALPA". In the FC-AL Profile there is an "informative
|
|
# annex" which contains a table that maps a "select ID" (a number
|
|
# between 0 and 7F) to an ALPA. By default, for compatibility with
|
|
# older drivers, the lpfc driver scans this table from low ALPA to high
|
|
# ALPA.
|
|
#
|
|
# Turning on the scan-down variable (on = 1, off = 0) will
|
|
# cause the lpfc driver to use an inverted table, effectively
|
|
# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
|
|
#
|
|
# (Note: This "select ID" functionality is a LOOP ONLY characteristic
|
|
# and will not work across a fabric. Also this parameter will take
|
|
# effect only in the case when ALPA map is not available.)
|
|
*/
|
|
LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
|
|
"Start scanning for devices from highest ALPA to lowest");
|
|
|
|
/*
|
|
# lpfc_topology: link topology for init link
|
|
# 0x0 = attempt loop mode then point-to-point
|
|
# 0x01 = internal loopback mode
|
|
# 0x02 = attempt point-to-point mode only
|
|
# 0x04 = attempt loop mode only
|
|
# 0x06 = attempt point-to-point mode then loop
|
|
# Set point-to-point mode if you want to run as an N_Port.
|
|
# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
|
|
# Default value is 0.
|
|
*/
|
|
|
|
/**
|
|
* lpfc_topology_set - Set the adapters topology field
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: topology value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range then set the adapter's topology field and
|
|
* issue a lip; if the lip fails reset the topology to the old value.
|
|
*
|
|
* If the value is not in range log a kernel error message and return an error.
|
|
*
|
|
* Returns:
|
|
* zero if val is in range and lip okay
|
|
* non-zero return value from lpfc_issue_lip()
|
|
* -EINVAL val out of range
|
|
**/
|
|
static ssize_t
|
|
lpfc_topology_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val = 0;
|
|
int nolip = 0;
|
|
const char *val_buf = buf;
|
|
int err;
|
|
uint32_t prev_val;
|
|
|
|
if (!strncmp(buf, "nolip ", strlen("nolip "))) {
|
|
nolip = 1;
|
|
val_buf = &buf[strlen("nolip ")];
|
|
}
|
|
|
|
if (!isdigit(val_buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(val_buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
if (val >= 0 && val <= 6) {
|
|
prev_val = phba->cfg_topology;
|
|
phba->cfg_topology = val;
|
|
if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G &&
|
|
val == 4) {
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3113 Loop mode not supported at speed %d\n",
|
|
phba->cfg_link_speed);
|
|
phba->cfg_topology = prev_val;
|
|
return -EINVAL;
|
|
}
|
|
if (nolip)
|
|
return strlen(buf);
|
|
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3054 lpfc_topology changed from %d to %d\n",
|
|
prev_val, val);
|
|
if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4)
|
|
phba->fc_topology_changed = 1;
|
|
err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
|
|
if (err) {
|
|
phba->cfg_topology = prev_val;
|
|
return -EINVAL;
|
|
} else
|
|
return strlen(buf);
|
|
}
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"%d:0467 lpfc_topology attribute cannot be set to %d, "
|
|
"allowed range is [0, 6]\n",
|
|
phba->brd_no, val);
|
|
return -EINVAL;
|
|
}
|
|
static int lpfc_topology = 0;
|
|
module_param(lpfc_topology, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology");
|
|
lpfc_param_show(topology)
|
|
lpfc_param_init(topology, 0, 0, 6)
|
|
static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
|
|
lpfc_topology_show, lpfc_topology_store);
|
|
|
|
/**
|
|
* lpfc_static_vport_show: Read callback function for
|
|
* lpfc_static_vport sysfs file.
|
|
* @dev: Pointer to class device object.
|
|
* @attr: device attribute structure.
|
|
* @buf: Data buffer.
|
|
*
|
|
* This function is the read call back function for
|
|
* lpfc_static_vport sysfs file. The lpfc_static_vport
|
|
* sysfs file report the mageability of the vport.
|
|
**/
|
|
static ssize_t
|
|
lpfc_static_vport_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
if (vport->vport_flag & STATIC_VPORT)
|
|
sprintf(buf, "1\n");
|
|
else
|
|
sprintf(buf, "0\n");
|
|
|
|
return strlen(buf);
|
|
}
|
|
|
|
/*
|
|
* Sysfs attribute to control the statistical data collection.
|
|
*/
|
|
static DEVICE_ATTR(lpfc_static_vport, S_IRUGO,
|
|
lpfc_static_vport_show, NULL);
|
|
|
|
/**
|
|
* lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
|
|
* @dev: Pointer to class device.
|
|
* @buf: Data buffer.
|
|
* @count: Size of the data buffer.
|
|
*
|
|
* This function get called when an user write to the lpfc_stat_data_ctrl
|
|
* sysfs file. This function parse the command written to the sysfs file
|
|
* and take appropriate action. These commands are used for controlling
|
|
* driver statistical data collection.
|
|
* Following are the command this function handles.
|
|
*
|
|
* setbucket <bucket_type> <base> <step>
|
|
* = Set the latency buckets.
|
|
* destroybucket = destroy all the buckets.
|
|
* start = start data collection
|
|
* stop = stop data collection
|
|
* reset = reset the collected data
|
|
**/
|
|
static ssize_t
|
|
lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
#define LPFC_MAX_DATA_CTRL_LEN 1024
|
|
static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
|
|
unsigned long i;
|
|
char *str_ptr, *token;
|
|
struct lpfc_vport **vports;
|
|
struct Scsi_Host *v_shost;
|
|
char *bucket_type_str, *base_str, *step_str;
|
|
unsigned long base, step, bucket_type;
|
|
|
|
if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
|
|
if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1))
|
|
return -EINVAL;
|
|
|
|
strncpy(bucket_data, buf, LPFC_MAX_DATA_CTRL_LEN);
|
|
str_ptr = &bucket_data[0];
|
|
/* Ignore this token - this is command token */
|
|
token = strsep(&str_ptr, "\t ");
|
|
if (!token)
|
|
return -EINVAL;
|
|
|
|
bucket_type_str = strsep(&str_ptr, "\t ");
|
|
if (!bucket_type_str)
|
|
return -EINVAL;
|
|
|
|
if (!strncmp(bucket_type_str, "linear", strlen("linear")))
|
|
bucket_type = LPFC_LINEAR_BUCKET;
|
|
else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
|
|
bucket_type = LPFC_POWER2_BUCKET;
|
|
else
|
|
return -EINVAL;
|
|
|
|
base_str = strsep(&str_ptr, "\t ");
|
|
if (!base_str)
|
|
return -EINVAL;
|
|
base = simple_strtoul(base_str, NULL, 0);
|
|
|
|
step_str = strsep(&str_ptr, "\t ");
|
|
if (!step_str)
|
|
return -EINVAL;
|
|
step = simple_strtoul(step_str, NULL, 0);
|
|
if (!step)
|
|
return -EINVAL;
|
|
|
|
/* Block the data collection for every vport */
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports == NULL)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
v_shost = lpfc_shost_from_vport(vports[i]);
|
|
spin_lock_irq(v_shost->host_lock);
|
|
/* Block and reset data collection */
|
|
vports[i]->stat_data_blocked = 1;
|
|
if (vports[i]->stat_data_enabled)
|
|
lpfc_vport_reset_stat_data(vports[i]);
|
|
spin_unlock_irq(v_shost->host_lock);
|
|
}
|
|
|
|
/* Set the bucket attributes */
|
|
phba->bucket_type = bucket_type;
|
|
phba->bucket_base = base;
|
|
phba->bucket_step = step;
|
|
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
v_shost = lpfc_shost_from_vport(vports[i]);
|
|
|
|
/* Unblock data collection */
|
|
spin_lock_irq(v_shost->host_lock);
|
|
vports[i]->stat_data_blocked = 0;
|
|
spin_unlock_irq(v_shost->host_lock);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
return strlen(buf);
|
|
}
|
|
|
|
if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
|
|
vports = lpfc_create_vport_work_array(phba);
|
|
if (vports == NULL)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
|
|
v_shost = lpfc_shost_from_vport(vports[i]);
|
|
spin_lock_irq(shost->host_lock);
|
|
vports[i]->stat_data_blocked = 1;
|
|
lpfc_free_bucket(vport);
|
|
vport->stat_data_enabled = 0;
|
|
vports[i]->stat_data_blocked = 0;
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
lpfc_destroy_vport_work_array(phba, vports);
|
|
phba->bucket_type = LPFC_NO_BUCKET;
|
|
phba->bucket_base = 0;
|
|
phba->bucket_step = 0;
|
|
return strlen(buf);
|
|
}
|
|
|
|
if (!strncmp(buf, "start", strlen("start"))) {
|
|
/* If no buckets configured return error */
|
|
if (phba->bucket_type == LPFC_NO_BUCKET)
|
|
return -EINVAL;
|
|
spin_lock_irq(shost->host_lock);
|
|
if (vport->stat_data_enabled) {
|
|
spin_unlock_irq(shost->host_lock);
|
|
return strlen(buf);
|
|
}
|
|
lpfc_alloc_bucket(vport);
|
|
vport->stat_data_enabled = 1;
|
|
spin_unlock_irq(shost->host_lock);
|
|
return strlen(buf);
|
|
}
|
|
|
|
if (!strncmp(buf, "stop", strlen("stop"))) {
|
|
spin_lock_irq(shost->host_lock);
|
|
if (vport->stat_data_enabled == 0) {
|
|
spin_unlock_irq(shost->host_lock);
|
|
return strlen(buf);
|
|
}
|
|
lpfc_free_bucket(vport);
|
|
vport->stat_data_enabled = 0;
|
|
spin_unlock_irq(shost->host_lock);
|
|
return strlen(buf);
|
|
}
|
|
|
|
if (!strncmp(buf, "reset", strlen("reset"))) {
|
|
if ((phba->bucket_type == LPFC_NO_BUCKET)
|
|
|| !vport->stat_data_enabled)
|
|
return strlen(buf);
|
|
spin_lock_irq(shost->host_lock);
|
|
vport->stat_data_blocked = 1;
|
|
lpfc_vport_reset_stat_data(vport);
|
|
vport->stat_data_blocked = 0;
|
|
spin_unlock_irq(shost->host_lock);
|
|
return strlen(buf);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
/**
|
|
* lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
|
|
* @dev: Pointer to class device object.
|
|
* @buf: Data buffer.
|
|
*
|
|
* This function is the read call back function for
|
|
* lpfc_stat_data_ctrl sysfs file. This function report the
|
|
* current statistical data collection state.
|
|
**/
|
|
static ssize_t
|
|
lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int index = 0;
|
|
int i;
|
|
char *bucket_type;
|
|
unsigned long bucket_value;
|
|
|
|
switch (phba->bucket_type) {
|
|
case LPFC_LINEAR_BUCKET:
|
|
bucket_type = "linear";
|
|
break;
|
|
case LPFC_POWER2_BUCKET:
|
|
bucket_type = "power2";
|
|
break;
|
|
default:
|
|
bucket_type = "No Bucket";
|
|
break;
|
|
}
|
|
|
|
sprintf(&buf[index], "Statistical Data enabled :%d, "
|
|
"blocked :%d, Bucket type :%s, Bucket base :%d,"
|
|
" Bucket step :%d\nLatency Ranges :",
|
|
vport->stat_data_enabled, vport->stat_data_blocked,
|
|
bucket_type, phba->bucket_base, phba->bucket_step);
|
|
index = strlen(buf);
|
|
if (phba->bucket_type != LPFC_NO_BUCKET) {
|
|
for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
|
|
if (phba->bucket_type == LPFC_LINEAR_BUCKET)
|
|
bucket_value = phba->bucket_base +
|
|
phba->bucket_step * i;
|
|
else
|
|
bucket_value = phba->bucket_base +
|
|
(1 << i) * phba->bucket_step;
|
|
|
|
if (index + 10 > PAGE_SIZE)
|
|
break;
|
|
sprintf(&buf[index], "%08ld ", bucket_value);
|
|
index = strlen(buf);
|
|
}
|
|
}
|
|
sprintf(&buf[index], "\n");
|
|
return strlen(buf);
|
|
}
|
|
|
|
/*
|
|
* Sysfs attribute to control the statistical data collection.
|
|
*/
|
|
static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
|
|
lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
|
|
|
|
/*
|
|
* lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
|
|
*/
|
|
|
|
/*
|
|
* Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
|
|
* for each target.
|
|
*/
|
|
#define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
|
|
#define MAX_STAT_DATA_SIZE_PER_TARGET \
|
|
STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
|
|
|
|
|
|
/**
|
|
* sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
|
|
* @filp: sysfs file
|
|
* @kobj: Pointer to the kernel object
|
|
* @bin_attr: Attribute object
|
|
* @buff: Buffer pointer
|
|
* @off: File offset
|
|
* @count: Buffer size
|
|
*
|
|
* This function is the read call back function for lpfc_drvr_stat_data
|
|
* sysfs file. This function export the statistical data to user
|
|
* applications.
|
|
**/
|
|
static ssize_t
|
|
sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj,
|
|
struct bin_attribute *bin_attr,
|
|
char *buf, loff_t off, size_t count)
|
|
{
|
|
struct device *dev = container_of(kobj, struct device,
|
|
kobj);
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int i = 0, index = 0;
|
|
unsigned long nport_index;
|
|
struct lpfc_nodelist *ndlp = NULL;
|
|
nport_index = (unsigned long)off /
|
|
MAX_STAT_DATA_SIZE_PER_TARGET;
|
|
|
|
if (!vport->stat_data_enabled || vport->stat_data_blocked
|
|
|| (phba->bucket_type == LPFC_NO_BUCKET))
|
|
return 0;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
|
|
if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
|
|
continue;
|
|
|
|
if (nport_index > 0) {
|
|
nport_index--;
|
|
continue;
|
|
}
|
|
|
|
if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
|
|
> count)
|
|
break;
|
|
|
|
if (!ndlp->lat_data)
|
|
continue;
|
|
|
|
/* Print the WWN */
|
|
sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
|
|
ndlp->nlp_portname.u.wwn[0],
|
|
ndlp->nlp_portname.u.wwn[1],
|
|
ndlp->nlp_portname.u.wwn[2],
|
|
ndlp->nlp_portname.u.wwn[3],
|
|
ndlp->nlp_portname.u.wwn[4],
|
|
ndlp->nlp_portname.u.wwn[5],
|
|
ndlp->nlp_portname.u.wwn[6],
|
|
ndlp->nlp_portname.u.wwn[7]);
|
|
|
|
index = strlen(buf);
|
|
|
|
for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
|
|
sprintf(&buf[index], "%010u,",
|
|
ndlp->lat_data[i].cmd_count);
|
|
index = strlen(buf);
|
|
}
|
|
sprintf(&buf[index], "\n");
|
|
index = strlen(buf);
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
return index;
|
|
}
|
|
|
|
static struct bin_attribute sysfs_drvr_stat_data_attr = {
|
|
.attr = {
|
|
.name = "lpfc_drvr_stat_data",
|
|
.mode = S_IRUSR,
|
|
},
|
|
.size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
|
|
.read = sysfs_drvr_stat_data_read,
|
|
.write = NULL,
|
|
};
|
|
|
|
/*
|
|
# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
|
|
# connection.
|
|
# Value range is [0,16]. Default value is 0.
|
|
*/
|
|
/**
|
|
* lpfc_link_speed_set - Set the adapters link speed
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: link speed value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range then set the adapter's link speed field and
|
|
* issue a lip; if the lip fails reset the link speed to the old value.
|
|
*
|
|
* Notes:
|
|
* If the value is not in range log a kernel error message and return an error.
|
|
*
|
|
* Returns:
|
|
* zero if val is in range and lip okay.
|
|
* non-zero return value from lpfc_issue_lip()
|
|
* -EINVAL val out of range
|
|
**/
|
|
static ssize_t
|
|
lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val = LPFC_USER_LINK_SPEED_AUTO;
|
|
int nolip = 0;
|
|
const char *val_buf = buf;
|
|
int err;
|
|
uint32_t prev_val;
|
|
|
|
if (!strncmp(buf, "nolip ", strlen("nolip "))) {
|
|
nolip = 1;
|
|
val_buf = &buf[strlen("nolip ")];
|
|
}
|
|
|
|
if (!isdigit(val_buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(val_buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
|
|
"3055 lpfc_link_speed changed from %d to %d %s\n",
|
|
phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)");
|
|
|
|
if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) ||
|
|
((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) ||
|
|
((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) ||
|
|
((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) ||
|
|
((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) ||
|
|
((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2879 lpfc_link_speed attribute cannot be set "
|
|
"to %d. Speed is not supported by this port.\n",
|
|
val);
|
|
return -EINVAL;
|
|
}
|
|
if (val == LPFC_USER_LINK_SPEED_16G &&
|
|
phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3112 lpfc_link_speed attribute cannot be set "
|
|
"to %d. Speed is not supported in loop mode.\n",
|
|
val);
|
|
return -EINVAL;
|
|
}
|
|
if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
|
|
(LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
|
|
prev_val = phba->cfg_link_speed;
|
|
phba->cfg_link_speed = val;
|
|
if (nolip)
|
|
return strlen(buf);
|
|
|
|
err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport));
|
|
if (err) {
|
|
phba->cfg_link_speed = prev_val;
|
|
return -EINVAL;
|
|
} else
|
|
return strlen(buf);
|
|
}
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0469 lpfc_link_speed attribute cannot be set to %d, "
|
|
"allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int lpfc_link_speed = 0;
|
|
module_param(lpfc_link_speed, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
|
|
lpfc_param_show(link_speed)
|
|
|
|
/**
|
|
* lpfc_link_speed_init - Set the adapters link speed
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: link speed value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range then set the adapter's link speed field.
|
|
*
|
|
* Notes:
|
|
* If the value is not in range log a kernel error message, clear the link
|
|
* speed and return an error.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_link_speed_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (val == LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3111 lpfc_link_speed of %d cannot "
|
|
"support loop mode, setting topology to default.\n",
|
|
val);
|
|
phba->cfg_topology = 0;
|
|
}
|
|
if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) &&
|
|
(LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) {
|
|
phba->cfg_link_speed = val;
|
|
return 0;
|
|
}
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"0405 lpfc_link_speed attribute cannot "
|
|
"be set to %d, allowed values are "
|
|
"["LPFC_LINK_SPEED_STRING"]\n", val);
|
|
phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
|
|
return -EINVAL;
|
|
}
|
|
|
|
static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR,
|
|
lpfc_link_speed_show, lpfc_link_speed_store);
|
|
|
|
/*
|
|
# lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
|
|
# 0 = aer disabled or not supported
|
|
# 1 = aer supported and enabled (default)
|
|
# Value range is [0,1]. Default value is 1.
|
|
*/
|
|
|
|
/**
|
|
* lpfc_aer_support_store - Set the adapter for aer support
|
|
*
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing enable or disable aer flag.
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
* If the val is 1 and currently the device's AER capability was not
|
|
* enabled, invoke the kernel's enable AER helper routine, trying to
|
|
* enable the device's AER capability. If the helper routine enabling
|
|
* AER returns success, update the device's cfg_aer_support flag to
|
|
* indicate AER is supported by the device; otherwise, if the device
|
|
* AER capability is already enabled to support AER, then do nothing.
|
|
*
|
|
* If the val is 0 and currently the device's AER support was enabled,
|
|
* invoke the kernel's disable AER helper routine. After that, update
|
|
* the device's cfg_aer_support flag to indicate AER is not supported
|
|
* by the device; otherwise, if the device AER capability is already
|
|
* disabled from supporting AER, then do nothing.
|
|
*
|
|
* Returns:
|
|
* length of the buf on success if val is in range the intended mode
|
|
* is supported.
|
|
* -EINVAL if val out of range or intended mode is not supported.
|
|
**/
|
|
static ssize_t
|
|
lpfc_aer_support_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val = 0, rc = -EINVAL;
|
|
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
switch (val) {
|
|
case 0:
|
|
if (phba->hba_flag & HBA_AER_ENABLED) {
|
|
rc = pci_disable_pcie_error_reporting(phba->pcidev);
|
|
if (!rc) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag &= ~HBA_AER_ENABLED;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
phba->cfg_aer_support = 0;
|
|
rc = strlen(buf);
|
|
} else
|
|
rc = -EPERM;
|
|
} else {
|
|
phba->cfg_aer_support = 0;
|
|
rc = strlen(buf);
|
|
}
|
|
break;
|
|
case 1:
|
|
if (!(phba->hba_flag & HBA_AER_ENABLED)) {
|
|
rc = pci_enable_pcie_error_reporting(phba->pcidev);
|
|
if (!rc) {
|
|
spin_lock_irq(&phba->hbalock);
|
|
phba->hba_flag |= HBA_AER_ENABLED;
|
|
spin_unlock_irq(&phba->hbalock);
|
|
phba->cfg_aer_support = 1;
|
|
rc = strlen(buf);
|
|
} else
|
|
rc = -EPERM;
|
|
} else {
|
|
phba->cfg_aer_support = 1;
|
|
rc = strlen(buf);
|
|
}
|
|
break;
|
|
default:
|
|
rc = -EINVAL;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int lpfc_aer_support = 1;
|
|
module_param(lpfc_aer_support, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support");
|
|
lpfc_param_show(aer_support)
|
|
|
|
/**
|
|
* lpfc_aer_support_init - Set the initial adapters aer support flag
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: enable aer or disable aer flag.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range [0,1], then set the adapter's initial
|
|
* cfg_aer_support field. It will be up to the driver's probe_one
|
|
* routine to determine whether the device's AER support can be set
|
|
* or not.
|
|
*
|
|
* Notes:
|
|
* If the value is not in range log a kernel error message, and
|
|
* choose the default value of setting AER support and return.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_aer_support_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (val == 0 || val == 1) {
|
|
phba->cfg_aer_support = val;
|
|
return 0;
|
|
}
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"2712 lpfc_aer_support attribute value %d out "
|
|
"of range, allowed values are 0|1, setting it "
|
|
"to default value of 1\n", val);
|
|
/* By default, try to enable AER on a device */
|
|
phba->cfg_aer_support = 1;
|
|
return -EINVAL;
|
|
}
|
|
|
|
static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR,
|
|
lpfc_aer_support_show, lpfc_aer_support_store);
|
|
|
|
/**
|
|
* lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing flag 1 for aer cleanup state.
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
* If the @buf contains 1 and the device currently has the AER support
|
|
* enabled, then invokes the kernel AER helper routine
|
|
* pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
|
|
* error status register.
|
|
*
|
|
* Notes:
|
|
*
|
|
* Returns:
|
|
* -EINVAL if the buf does not contain the 1 or the device is not currently
|
|
* enabled with the AER support.
|
|
**/
|
|
static ssize_t
|
|
lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val, rc = -1;
|
|
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
if (val != 1)
|
|
return -EINVAL;
|
|
|
|
if (phba->hba_flag & HBA_AER_ENABLED)
|
|
rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev);
|
|
|
|
if (rc == 0)
|
|
return strlen(buf);
|
|
else
|
|
return -EPERM;
|
|
}
|
|
|
|
static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL,
|
|
lpfc_aer_cleanup_state);
|
|
|
|
/**
|
|
* lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions
|
|
*
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing the string the number of vfs to be enabled.
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
* When this api is called either through user sysfs, the driver shall
|
|
* try to enable or disable SR-IOV virtual functions according to the
|
|
* following:
|
|
*
|
|
* If zero virtual function has been enabled to the physical function,
|
|
* the driver shall invoke the pci enable virtual function api trying
|
|
* to enable the virtual functions. If the nr_vfn provided is greater
|
|
* than the maximum supported, the maximum virtual function number will
|
|
* be used for invoking the api; otherwise, the nr_vfn provided shall
|
|
* be used for invoking the api. If the api call returned success, the
|
|
* actual number of virtual functions enabled will be set to the driver
|
|
* cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver
|
|
* cfg_sriov_nr_virtfn remains zero.
|
|
*
|
|
* If none-zero virtual functions have already been enabled to the
|
|
* physical function, as reflected by the driver's cfg_sriov_nr_virtfn,
|
|
* -EINVAL will be returned and the driver does nothing;
|
|
*
|
|
* If the nr_vfn provided is zero and none-zero virtual functions have
|
|
* been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the
|
|
* disabling virtual function api shall be invoded to disable all the
|
|
* virtual functions and driver's cfg_sriov_nr_virtfn shall be set to
|
|
* zero. Otherwise, if zero virtual function has been enabled, do
|
|
* nothing.
|
|
*
|
|
* Returns:
|
|
* length of the buf on success if val is in range the intended mode
|
|
* is supported.
|
|
* -EINVAL if val out of range or intended mode is not supported.
|
|
**/
|
|
static ssize_t
|
|
lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct pci_dev *pdev = phba->pcidev;
|
|
int val = 0, rc = -EINVAL;
|
|
|
|
/* Sanity check on user data */
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
if (val < 0)
|
|
return -EINVAL;
|
|
|
|
/* Request disabling virtual functions */
|
|
if (val == 0) {
|
|
if (phba->cfg_sriov_nr_virtfn > 0) {
|
|
pci_disable_sriov(pdev);
|
|
phba->cfg_sriov_nr_virtfn = 0;
|
|
}
|
|
return strlen(buf);
|
|
}
|
|
|
|
/* Request enabling virtual functions */
|
|
if (phba->cfg_sriov_nr_virtfn > 0) {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3018 There are %d virtual functions "
|
|
"enabled on physical function.\n",
|
|
phba->cfg_sriov_nr_virtfn);
|
|
return -EEXIST;
|
|
}
|
|
|
|
if (val <= LPFC_MAX_VFN_PER_PFN)
|
|
phba->cfg_sriov_nr_virtfn = val;
|
|
else {
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3019 Enabling %d virtual functions is not "
|
|
"allowed.\n", val);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn);
|
|
if (rc) {
|
|
phba->cfg_sriov_nr_virtfn = 0;
|
|
rc = -EPERM;
|
|
} else
|
|
rc = strlen(buf);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN;
|
|
module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR);
|
|
MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn");
|
|
lpfc_param_show(sriov_nr_virtfn)
|
|
|
|
/**
|
|
* lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: link speed value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range [0,255], then set the adapter's initial
|
|
* cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum
|
|
* number shall be used instead. It will be up to the driver's probe_one
|
|
* routine to determine whether the device's SR-IOV is supported or not.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) {
|
|
phba->cfg_sriov_nr_virtfn = val;
|
|
return 0;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3017 Enabling %d virtual functions is not "
|
|
"allowed.\n", val);
|
|
return -EINVAL;
|
|
}
|
|
static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR,
|
|
lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store);
|
|
|
|
/**
|
|
* lpfc_request_firmware_store - Request for Linux generic firmware upgrade
|
|
*
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: containing the string the number of vfs to be enabled.
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
*
|
|
* Returns:
|
|
* length of the buf on success if val is in range the intended mode
|
|
* is supported.
|
|
* -EINVAL if val out of range or intended mode is not supported.
|
|
**/
|
|
static ssize_t
|
|
lpfc_request_firmware_upgrade_store(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val = 0, rc = -EINVAL;
|
|
|
|
/* Sanity check on user data */
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
if (val != 1)
|
|
return -EINVAL;
|
|
|
|
rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE);
|
|
if (rc)
|
|
rc = -EPERM;
|
|
else
|
|
rc = strlen(buf);
|
|
return rc;
|
|
}
|
|
|
|
static int lpfc_req_fw_upgrade;
|
|
module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR);
|
|
MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade");
|
|
lpfc_param_show(request_firmware_upgrade)
|
|
|
|
/**
|
|
* lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: 0 or 1.
|
|
*
|
|
* Description:
|
|
* Set the initial Linux generic firmware upgrade enable or disable flag.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (val >= 0 && val <= 1) {
|
|
phba->cfg_request_firmware_upgrade = val;
|
|
return 0;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR,
|
|
lpfc_request_firmware_upgrade_show,
|
|
lpfc_request_firmware_upgrade_store);
|
|
|
|
/**
|
|
* lpfc_fcp_imax_store
|
|
*
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: string with the number of fast-path FCP interrupts per second.
|
|
* @count: unused variable.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range [636,651042], then set the adapter's
|
|
* maximum number of fast-path FCP interrupts per second.
|
|
*
|
|
* Returns:
|
|
* length of the buf on success if val is in range the intended mode
|
|
* is supported.
|
|
* -EINVAL if val out of range or intended mode is not supported.
|
|
**/
|
|
static ssize_t
|
|
lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
int val = 0, i;
|
|
|
|
/* fcp_imax is only valid for SLI4 */
|
|
if (phba->sli_rev != LPFC_SLI_REV4)
|
|
return -EINVAL;
|
|
|
|
/* Sanity check on user data */
|
|
if (!isdigit(buf[0]))
|
|
return -EINVAL;
|
|
if (sscanf(buf, "%i", &val) != 1)
|
|
return -EINVAL;
|
|
|
|
/*
|
|
* Value range for the HBA is [5000,5000000]
|
|
* The value for each EQ depends on how many EQs are configured.
|
|
*/
|
|
if (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX)
|
|
return -EINVAL;
|
|
|
|
phba->cfg_fcp_imax = (uint32_t)val;
|
|
for (i = 0; i < phba->cfg_fcp_io_channel; i += LPFC_MAX_EQ_DELAY)
|
|
lpfc_modify_fcp_eq_delay(phba, i);
|
|
|
|
return strlen(buf);
|
|
}
|
|
|
|
/*
|
|
# lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second
|
|
# for the HBA.
|
|
#
|
|
# Value range is [5,000 to 5,000,000]. Default value is 50,000.
|
|
*/
|
|
static int lpfc_fcp_imax = LPFC_DEF_IMAX;
|
|
module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR);
|
|
MODULE_PARM_DESC(lpfc_fcp_imax,
|
|
"Set the maximum number of FCP interrupts per second per HBA");
|
|
lpfc_param_show(fcp_imax)
|
|
|
|
/**
|
|
* lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: link speed value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range [636,651042], then initialize the adapter's
|
|
* maximum number of fast-path FCP interrupts per second.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_fcp_imax_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (phba->sli_rev != LPFC_SLI_REV4) {
|
|
phba->cfg_fcp_imax = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) {
|
|
phba->cfg_fcp_imax = val;
|
|
return 0;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3016 fcp_imax: %d out of range, using default\n", val);
|
|
phba->cfg_fcp_imax = LPFC_DEF_IMAX;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static DEVICE_ATTR(lpfc_fcp_imax, S_IRUGO | S_IWUSR,
|
|
lpfc_fcp_imax_show, lpfc_fcp_imax_store);
|
|
|
|
/**
|
|
* lpfc_state_show - Display current driver CPU affinity
|
|
* @dev: class converted to a Scsi_host structure.
|
|
* @attr: device attribute, not used.
|
|
* @buf: on return contains text describing the state of the link.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
static ssize_t
|
|
lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct lpfc_vector_map_info *cpup;
|
|
int len = 0;
|
|
|
|
if ((phba->sli_rev != LPFC_SLI_REV4) ||
|
|
(phba->intr_type != MSIX))
|
|
return len;
|
|
|
|
switch (phba->cfg_fcp_cpu_map) {
|
|
case 0:
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"fcp_cpu_map: No mapping (%d)\n",
|
|
phba->cfg_fcp_cpu_map);
|
|
return len;
|
|
case 1:
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"fcp_cpu_map: HBA centric mapping (%d): "
|
|
"%d online CPUs\n",
|
|
phba->cfg_fcp_cpu_map,
|
|
phba->sli4_hba.num_online_cpu);
|
|
break;
|
|
case 2:
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"fcp_cpu_map: Driver centric mapping (%d): "
|
|
"%d online CPUs\n",
|
|
phba->cfg_fcp_cpu_map,
|
|
phba->sli4_hba.num_online_cpu);
|
|
break;
|
|
}
|
|
|
|
while (phba->sli4_hba.curr_disp_cpu < phba->sli4_hba.num_present_cpu) {
|
|
cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu];
|
|
|
|
/* margin should fit in this and the truncated message */
|
|
if (cpup->irq == LPFC_VECTOR_MAP_EMPTY)
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"CPU %02d io_chan %02d "
|
|
"physid %d coreid %d\n",
|
|
phba->sli4_hba.curr_disp_cpu,
|
|
cpup->channel_id, cpup->phys_id,
|
|
cpup->core_id);
|
|
else
|
|
len += snprintf(buf + len, PAGE_SIZE-len,
|
|
"CPU %02d io_chan %02d "
|
|
"physid %d coreid %d IRQ %d\n",
|
|
phba->sli4_hba.curr_disp_cpu,
|
|
cpup->channel_id, cpup->phys_id,
|
|
cpup->core_id, cpup->irq);
|
|
|
|
phba->sli4_hba.curr_disp_cpu++;
|
|
|
|
/* display max number of CPUs keeping some margin */
|
|
if (phba->sli4_hba.curr_disp_cpu <
|
|
phba->sli4_hba.num_present_cpu &&
|
|
(len >= (PAGE_SIZE - 64))) {
|
|
len += snprintf(buf + len, PAGE_SIZE-len, "more...\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_present_cpu)
|
|
phba->sli4_hba.curr_disp_cpu = 0;
|
|
|
|
return len;
|
|
}
|
|
|
|
/**
|
|
* lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors
|
|
* @dev: class device that is converted into a Scsi_host.
|
|
* @attr: device attribute, not used.
|
|
* @buf: one or more lpfc_polling_flags values.
|
|
* @count: not used.
|
|
*
|
|
* Returns:
|
|
* -EINVAL - Not implemented yet.
|
|
**/
|
|
static ssize_t
|
|
lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int status = -EINVAL;
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
# lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors
|
|
# for the HBA.
|
|
#
|
|
# Value range is [0 to 2]. Default value is LPFC_DRIVER_CPU_MAP (2).
|
|
# 0 - Do not affinitze IRQ vectors
|
|
# 1 - Affintize HBA vectors with respect to each HBA
|
|
# (start with CPU0 for each HBA)
|
|
# 2 - Affintize HBA vectors with respect to the entire driver
|
|
# (round robin thru all CPUs across all HBAs)
|
|
*/
|
|
static int lpfc_fcp_cpu_map = LPFC_DRIVER_CPU_MAP;
|
|
module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR);
|
|
MODULE_PARM_DESC(lpfc_fcp_cpu_map,
|
|
"Defines how to map CPUs to IRQ vectors per HBA");
|
|
|
|
/**
|
|
* lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable
|
|
* @phba: lpfc_hba pointer.
|
|
* @val: link speed value.
|
|
*
|
|
* Description:
|
|
* If val is in a valid range [0-2], then affinitze the adapter's
|
|
* MSIX vectors.
|
|
*
|
|
* Returns:
|
|
* zero if val saved.
|
|
* -EINVAL val out of range
|
|
**/
|
|
static int
|
|
lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val)
|
|
{
|
|
if (phba->sli_rev != LPFC_SLI_REV4) {
|
|
phba->cfg_fcp_cpu_map = 0;
|
|
return 0;
|
|
}
|
|
|
|
if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) {
|
|
phba->cfg_fcp_cpu_map = val;
|
|
return 0;
|
|
}
|
|
|
|
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
|
|
"3326 fcp_cpu_map: %d out of range, using default\n",
|
|
val);
|
|
phba->cfg_fcp_cpu_map = LPFC_DRIVER_CPU_MAP;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static DEVICE_ATTR(lpfc_fcp_cpu_map, S_IRUGO | S_IWUSR,
|
|
lpfc_fcp_cpu_map_show, lpfc_fcp_cpu_map_store);
|
|
|
|
/*
|
|
# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
|
|
# Value range is [2,3]. Default value is 3.
|
|
*/
|
|
LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
|
|
"Select Fibre Channel class of service for FCP sequences");
|
|
|
|
/*
|
|
# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
|
|
# is [0,1]. Default value is 0.
|
|
*/
|
|
LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
|
|
"Use ADISC on rediscovery to authenticate FCP devices");
|
|
|
|
/*
|
|
# lpfc_first_burst_size: First burst size to use on the NPorts
|
|
# that support first burst.
|
|
# Value range is [0,65536]. Default value is 0.
|
|
*/
|
|
LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536,
|
|
"First burst size for Targets that support first burst");
|
|
|
|
/*
|
|
# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
|
|
# depth. Default value is 0. When the value of this parameter is zero the
|
|
# SCSI command completion time is not used for controlling I/O queue depth. When
|
|
# the parameter is set to a non-zero value, the I/O queue depth is controlled
|
|
# to limit the I/O completion time to the parameter value.
|
|
# The value is set in milliseconds.
|
|
*/
|
|
static int lpfc_max_scsicmpl_time;
|
|
module_param(lpfc_max_scsicmpl_time, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
|
|
"Use command completion time to control queue depth");
|
|
lpfc_vport_param_show(max_scsicmpl_time);
|
|
lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
|
|
static int
|
|
lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
|
|
{
|
|
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
|
|
struct lpfc_nodelist *ndlp, *next_ndlp;
|
|
|
|
if (val == vport->cfg_max_scsicmpl_time)
|
|
return 0;
|
|
if ((val < 0) || (val > 60000))
|
|
return -EINVAL;
|
|
vport->cfg_max_scsicmpl_time = val;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
|
|
if (!NLP_CHK_NODE_ACT(ndlp))
|
|
continue;
|
|
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
|
|
continue;
|
|
ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
return 0;
|
|
}
|
|
lpfc_vport_param_store(max_scsicmpl_time);
|
|
static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
|
|
lpfc_max_scsicmpl_time_show,
|
|
lpfc_max_scsicmpl_time_store);
|
|
|
|
/*
|
|
# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
|
|
# range is [0,1]. Default value is 0.
|
|
*/
|
|
LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
|
|
|
|
/*
|
|
# lpfc_fcp_io_sched: Determine scheduling algrithmn for issuing FCP cmds
|
|
# range is [0,1]. Default value is 0.
|
|
# For [0], FCP commands are issued to Work Queues ina round robin fashion.
|
|
# For [1], FCP commands are issued to a Work Queue associated with the
|
|
# current CPU.
|
|
# It would be set to 1 by the driver if it's able to set up cpu affinity
|
|
# for FCP I/Os through Work Queue associated with the current CPU. Otherwise,
|
|
# roundrobin scheduling of FCP I/Os through WQs will be used.
|
|
*/
|
|
LPFC_ATTR_RW(fcp_io_sched, 0, 0, 1, "Determine scheduling algorithm for "
|
|
"issuing commands [0] - Round Robin, [1] - Current CPU");
|
|
|
|
/*
|
|
# lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
|
|
# range is [0,1]. Default value is 0.
|
|
# For [0], bus reset issues target reset to ALL devices
|
|
# For [1], bus reset issues target reset to non-FCP2 devices
|
|
*/
|
|
LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for "
|
|
"FCP2 devices [0] - issue tgt reset, [1] - no tgt reset");
|
|
|
|
|
|
/*
|
|
# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
|
|
# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
|
|
# value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
|
|
# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
|
|
# cr_delay is set to 0.
|
|
*/
|
|
LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
|
|
"interrupt response is generated");
|
|
|
|
LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
|
|
"interrupt response is generated");
|
|
|
|
/*
|
|
# lpfc_multi_ring_support: Determines how many rings to spread available
|
|
# cmd/rsp IOCB entries across.
|
|
# Value range is [1,2]. Default value is 1.
|
|
*/
|
|
LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
|
|
"SLI rings to spread IOCB entries across");
|
|
|
|
/*
|
|
# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
|
|
# identifies what rctl value to configure the additional ring for.
|
|
# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
|
|
*/
|
|
LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
|
|
255, "Identifies RCTL for additional ring configuration");
|
|
|
|
/*
|
|
# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
|
|
# identifies what type value to configure the additional ring for.
|
|
# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
|
|
*/
|
|
LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
|
|
255, "Identifies TYPE for additional ring configuration");
|
|
|
|
/*
|
|
# lpfc_fdmi_on: controls FDMI support.
|
|
# Set NOT Set
|
|
# bit 0 = FDMI support no FDMI support
|
|
# LPFC_FDMI_SUPPORT just turns basic support on/off
|
|
# bit 1 = Register delay no register delay (60 seconds)
|
|
# LPFC_FDMI_REG_DELAY 60 sec registration delay after FDMI login
|
|
# bit 2 = All attributes Use a attribute subset
|
|
# LPFC_FDMI_ALL_ATTRIB applies to both port and HBA attributes
|
|
# Port attrutes subset: 1 thru 6 OR all: 1 thru 0xd 0x101 0x102 0x103
|
|
# HBA attributes subset: 1 thru 0xb OR all: 1 thru 0xc
|
|
# Value range [0,7]. Default value is 0.
|
|
*/
|
|
LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 7, "Enable FDMI support");
|
|
|
|
/*
|
|
# Specifies the maximum number of ELS cmds we can have outstanding (for
|
|
# discovery). Value range is [1,64]. Default value = 32.
|
|
*/
|
|
LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
|
|
"during discovery");
|
|
|
|
/*
|
|
# lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that
|
|
# will be scanned by the SCSI midlayer when sequential scanning is
|
|
# used; and is also the highest LUN ID allowed when the SCSI midlayer
|
|
# parses REPORT_LUN responses. The lpfc driver has no LUN count or
|
|
# LUN ID limit, but the SCSI midlayer requires this field for the uses
|
|
# above. The lpfc driver limits the default value to 255 for two reasons.
|
|
# As it bounds the sequential scan loop, scanning for thousands of luns
|
|
# on a target can take minutes of wall clock time. Additionally,
|
|
# there are FC targets, such as JBODs, that only recognize 8-bits of
|
|
# LUN ID. When they receive a value greater than 8 bits, they chop off
|
|
# the high order bits. In other words, they see LUN IDs 0, 256, 512,
|
|
# and so on all as LUN ID 0. This causes the linux kernel, which sees
|
|
# valid responses at each of the LUN IDs, to believe there are multiple
|
|
# devices present, when in fact, there is only 1.
|
|
# A customer that is aware of their target behaviors, and the results as
|
|
# indicated above, is welcome to increase the lpfc_max_luns value.
|
|
# As mentioned, this value is not used by the lpfc driver, only the
|
|
# SCSI midlayer.
|
|
# Value range is [0,65535]. Default value is 255.
|
|
# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
|
|
*/
|
|
LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID");
|
|
|
|
/*
|
|
# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
|
|
# Value range is [1,255], default value is 10.
|
|
*/
|
|
LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
|
|
"Milliseconds driver will wait between polling FCP ring");
|
|
|
|
/*
|
|
# lpfc_task_mgmt_tmo: Maximum time to wait for task management commands
|
|
# to complete in seconds. Value range is [5,180], default value is 60.
|
|
*/
|
|
LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180,
|
|
"Maximum time to wait for task management commands to complete");
|
|
/*
|
|
# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
|
|
# support this feature
|
|
# 0 = MSI disabled
|
|
# 1 = MSI enabled
|
|
# 2 = MSI-X enabled (default)
|
|
# Value range is [0,2]. Default value is 2.
|
|
*/
|
|
LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
|
|
"MSI-X (2), if possible");
|
|
|
|
/*
|
|
# lpfc_fcp_io_channel: Set the number of FCP EQ/CQ/WQ IO channels
|
|
#
|
|
# Value range is [1,7]. Default value is 4.
|
|
*/
|
|
LPFC_ATTR_R(fcp_io_channel, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN,
|
|
LPFC_FCP_IO_CHAN_MAX,
|
|
"Set the number of FCP I/O channels");
|
|
|
|
/*
|
|
# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
|
|
# 0 = HBA resets disabled
|
|
# 1 = HBA resets enabled (default)
|
|
# Value range is [0,1]. Default value is 1.
|
|
*/
|
|
LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
|
|
|
|
/*
|
|
# lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
|
|
# 0 = HBA Heartbeat disabled
|
|
# 1 = HBA Heartbeat enabled (default)
|
|
# Value range is [0,1]. Default value is 1.
|
|
*/
|
|
LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat.");
|
|
|
|
/*
|
|
# lpfc_EnableXLane: Enable Express Lane Feature
|
|
# 0x0 Express Lane Feature disabled
|
|
# 0x1 Express Lane Feature enabled
|
|
# Value range is [0,1]. Default value is 0.
|
|
*/
|
|
LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature.");
|
|
|
|
/*
|
|
# lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature
|
|
# 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits)
|
|
# Value range is [0x0,0x7f]. Default value is 0
|
|
*/
|
|
LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature.");
|
|
|
|
/*
|
|
# lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
|
|
# 0 = BlockGuard disabled (default)
|
|
# 1 = BlockGuard enabled
|
|
# Value range is [0,1]. Default value is 0.
|
|
*/
|
|
LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support");
|
|
|
|
/*
|
|
# lpfc_fcp_look_ahead: Look ahead for completions in FCP start routine
|
|
# 0 = disabled (default)
|
|
# 1 = enabled
|
|
# Value range is [0,1]. Default value is 0.
|
|
#
|
|
# This feature in under investigation and may be supported in the future.
|
|
*/
|
|
unsigned int lpfc_fcp_look_ahead = LPFC_LOOK_AHEAD_OFF;
|
|
|
|
/*
|
|
# lpfc_prot_mask: i
|
|
# - Bit mask of host protection capabilities used to register with the
|
|
# SCSI mid-layer
|
|
# - Only meaningful if BG is turned on (lpfc_enable_bg=1).
|
|
# - Allows you to ultimately specify which profiles to use
|
|
# - Default will result in registering capabilities for all profiles.
|
|
# - SHOST_DIF_TYPE1_PROTECTION 1
|
|
# HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection
|
|
# - SHOST_DIX_TYPE0_PROTECTION 8
|
|
# HBA supports DIX Type 0: Host to HBA protection only
|
|
# - SHOST_DIX_TYPE1_PROTECTION 16
|
|
# HBA supports DIX Type 1: Host to HBA Type 1 protection
|
|
#
|
|
*/
|
|
unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION |
|
|
SHOST_DIX_TYPE0_PROTECTION |
|
|
SHOST_DIX_TYPE1_PROTECTION;
|
|
|
|
module_param(lpfc_prot_mask, uint, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask");
|
|
|
|
/*
|
|
# lpfc_prot_guard: i
|
|
# - Bit mask of protection guard types to register with the SCSI mid-layer
|
|
# - Guard types are currently either 1) T10-DIF CRC 2) IP checksum
|
|
# - Allows you to ultimately specify which profiles to use
|
|
# - Default will result in registering capabilities for all guard types
|
|
#
|
|
*/
|
|
unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP;
|
|
module_param(lpfc_prot_guard, byte, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type");
|
|
|
|
/*
|
|
* Delay initial NPort discovery when Clean Address bit is cleared in
|
|
* FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
|
|
* This parameter can have value 0 or 1.
|
|
* When this parameter is set to 0, no delay is added to the initial
|
|
* discovery.
|
|
* When this parameter is set to non-zero value, initial Nport discovery is
|
|
* delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
|
|
* accept and FCID/Fabric name/Fabric portname is changed.
|
|
* Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
|
|
* when Clean Address bit is cleared in FLOGI/FDISC
|
|
* accept and FCID/Fabric name/Fabric portname is changed.
|
|
* Default value is 0.
|
|
*/
|
|
int lpfc_delay_discovery;
|
|
module_param(lpfc_delay_discovery, int, S_IRUGO);
|
|
MODULE_PARM_DESC(lpfc_delay_discovery,
|
|
"Delay NPort discovery when Clean Address bit is cleared. "
|
|
"Allowed values: 0,1.");
|
|
|
|
/*
|
|
* lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
|
|
* This value can be set to values between 64 and 4096. The default value is
|
|
* 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
|
|
* will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
|
|
* Because of the additional overhead involved in setting up T10-DIF,
|
|
* this parameter will be limited to 128 if BlockGuard is enabled under SLI4
|
|
* and will be limited to 512 if BlockGuard is enabled under SLI3.
|
|
*/
|
|
LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT,
|
|
LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count");
|
|
|
|
/*
|
|
* This parameter will be depricated, the driver cannot limit the
|
|
* protection data s/g list.
|
|
*/
|
|
LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT,
|
|
LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT,
|
|
"Max Protection Scatter Gather Segment Count");
|
|
|
|
struct device_attribute *lpfc_hba_attrs[] = {
|
|
&dev_attr_bg_info,
|
|
&dev_attr_bg_guard_err,
|
|
&dev_attr_bg_apptag_err,
|
|
&dev_attr_bg_reftag_err,
|
|
&dev_attr_info,
|
|
&dev_attr_serialnum,
|
|
&dev_attr_modeldesc,
|
|
&dev_attr_modelname,
|
|
&dev_attr_programtype,
|
|
&dev_attr_portnum,
|
|
&dev_attr_fwrev,
|
|
&dev_attr_hdw,
|
|
&dev_attr_option_rom_version,
|
|
&dev_attr_link_state,
|
|
&dev_attr_num_discovered_ports,
|
|
&dev_attr_menlo_mgmt_mode,
|
|
&dev_attr_lpfc_drvr_version,
|
|
&dev_attr_lpfc_enable_fip,
|
|
&dev_attr_lpfc_temp_sensor,
|
|
&dev_attr_lpfc_log_verbose,
|
|
&dev_attr_lpfc_lun_queue_depth,
|
|
&dev_attr_lpfc_tgt_queue_depth,
|
|
&dev_attr_lpfc_hba_queue_depth,
|
|
&dev_attr_lpfc_peer_port_login,
|
|
&dev_attr_lpfc_nodev_tmo,
|
|
&dev_attr_lpfc_devloss_tmo,
|
|
&dev_attr_lpfc_fcp_class,
|
|
&dev_attr_lpfc_use_adisc,
|
|
&dev_attr_lpfc_first_burst_size,
|
|
&dev_attr_lpfc_ack0,
|
|
&dev_attr_lpfc_topology,
|
|
&dev_attr_lpfc_scan_down,
|
|
&dev_attr_lpfc_link_speed,
|
|
&dev_attr_lpfc_fcp_io_sched,
|
|
&dev_attr_lpfc_fcp2_no_tgt_reset,
|
|
&dev_attr_lpfc_cr_delay,
|
|
&dev_attr_lpfc_cr_count,
|
|
&dev_attr_lpfc_multi_ring_support,
|
|
&dev_attr_lpfc_multi_ring_rctl,
|
|
&dev_attr_lpfc_multi_ring_type,
|
|
&dev_attr_lpfc_fdmi_on,
|
|
&dev_attr_lpfc_max_luns,
|
|
&dev_attr_lpfc_enable_npiv,
|
|
&dev_attr_lpfc_fcf_failover_policy,
|
|
&dev_attr_lpfc_enable_rrq,
|
|
&dev_attr_nport_evt_cnt,
|
|
&dev_attr_board_mode,
|
|
&dev_attr_max_vpi,
|
|
&dev_attr_used_vpi,
|
|
&dev_attr_max_rpi,
|
|
&dev_attr_used_rpi,
|
|
&dev_attr_max_xri,
|
|
&dev_attr_used_xri,
|
|
&dev_attr_npiv_info,
|
|
&dev_attr_issue_reset,
|
|
&dev_attr_lpfc_poll,
|
|
&dev_attr_lpfc_poll_tmo,
|
|
&dev_attr_lpfc_task_mgmt_tmo,
|
|
&dev_attr_lpfc_use_msi,
|
|
&dev_attr_lpfc_fcp_imax,
|
|
&dev_attr_lpfc_fcp_cpu_map,
|
|
&dev_attr_lpfc_fcp_io_channel,
|
|
&dev_attr_lpfc_enable_bg,
|
|
&dev_attr_lpfc_soft_wwnn,
|
|
&dev_attr_lpfc_soft_wwpn,
|
|
&dev_attr_lpfc_soft_wwn_enable,
|
|
&dev_attr_lpfc_enable_hba_reset,
|
|
&dev_attr_lpfc_enable_hba_heartbeat,
|
|
&dev_attr_lpfc_EnableXLane,
|
|
&dev_attr_lpfc_XLanePriority,
|
|
&dev_attr_lpfc_xlane_lun,
|
|
&dev_attr_lpfc_xlane_tgt,
|
|
&dev_attr_lpfc_xlane_vpt,
|
|
&dev_attr_lpfc_xlane_lun_state,
|
|
&dev_attr_lpfc_xlane_lun_status,
|
|
&dev_attr_lpfc_sg_seg_cnt,
|
|
&dev_attr_lpfc_max_scsicmpl_time,
|
|
&dev_attr_lpfc_stat_data_ctrl,
|
|
&dev_attr_lpfc_prot_sg_seg_cnt,
|
|
&dev_attr_lpfc_aer_support,
|
|
&dev_attr_lpfc_aer_state_cleanup,
|
|
&dev_attr_lpfc_sriov_nr_virtfn,
|
|
&dev_attr_lpfc_req_fw_upgrade,
|
|
&dev_attr_lpfc_suppress_link_up,
|
|
&dev_attr_lpfc_iocb_cnt,
|
|
&dev_attr_iocb_hw,
|
|
&dev_attr_txq_hw,
|
|
&dev_attr_txcmplq_hw,
|
|
&dev_attr_lpfc_fips_level,
|
|
&dev_attr_lpfc_fips_rev,
|
|
&dev_attr_lpfc_dss,
|
|
&dev_attr_lpfc_sriov_hw_max_virtfn,
|
|
&dev_attr_protocol,
|
|
&dev_attr_lpfc_xlane_supported,
|
|
NULL,
|
|
};
|
|
|
|
struct device_attribute *lpfc_vport_attrs[] = {
|
|
&dev_attr_info,
|
|
&dev_attr_link_state,
|
|
&dev_attr_num_discovered_ports,
|
|
&dev_attr_lpfc_drvr_version,
|
|
&dev_attr_lpfc_log_verbose,
|
|
&dev_attr_lpfc_lun_queue_depth,
|
|
&dev_attr_lpfc_tgt_queue_depth,
|
|
&dev_attr_lpfc_nodev_tmo,
|
|
&dev_attr_lpfc_devloss_tmo,
|
|
&dev_attr_lpfc_hba_queue_depth,
|
|
&dev_attr_lpfc_peer_port_login,
|
|
&dev_attr_lpfc_restrict_login,
|
|
&dev_attr_lpfc_fcp_class,
|
|
&dev_attr_lpfc_use_adisc,
|
|
&dev_attr_lpfc_first_burst_size,
|
|
&dev_attr_lpfc_fdmi_on,
|
|
&dev_attr_lpfc_max_luns,
|
|
&dev_attr_nport_evt_cnt,
|
|
&dev_attr_npiv_info,
|
|
&dev_attr_lpfc_enable_da_id,
|
|
&dev_attr_lpfc_max_scsicmpl_time,
|
|
&dev_attr_lpfc_stat_data_ctrl,
|
|
&dev_attr_lpfc_static_vport,
|
|
&dev_attr_lpfc_fips_level,
|
|
&dev_attr_lpfc_fips_rev,
|
|
NULL,
|
|
};
|
|
|
|
/**
|
|
* sysfs_ctlreg_write - Write method for writing to ctlreg
|
|
* @filp: open sysfs file
|
|
* @kobj: kernel kobject that contains the kernel class device.
|
|
* @bin_attr: kernel attributes passed to us.
|
|
* @buf: contains the data to be written to the adapter IOREG space.
|
|
* @off: offset into buffer to beginning of data.
|
|
* @count: bytes to transfer.
|
|
*
|
|
* Description:
|
|
* Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
|
|
* Uses the adapter io control registers to send buf contents to the adapter.
|
|
*
|
|
* Returns:
|
|
* -ERANGE off and count combo out of range
|
|
* -EINVAL off, count or buff address invalid
|
|
* -EPERM adapter is offline
|
|
* value of count, buf contents written
|
|
**/
|
|
static ssize_t
|
|
sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
|
|
struct bin_attribute *bin_attr,
|
|
char *buf, loff_t off, size_t count)
|
|
{
|
|
size_t buf_off;
|
|
struct device *dev = container_of(kobj, struct device, kobj);
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
if (phba->sli_rev >= LPFC_SLI_REV4)
|
|
return -EPERM;
|
|
|
|
if ((off + count) > FF_REG_AREA_SIZE)
|
|
return -ERANGE;
|
|
|
|
if (count <= LPFC_REG_WRITE_KEY_SIZE)
|
|
return 0;
|
|
|
|
if (off % 4 || count % 4 || (unsigned long)buf % 4)
|
|
return -EINVAL;
|
|
|
|
/* This is to protect HBA registers from accidental writes. */
|
|
if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE))
|
|
return -EINVAL;
|
|
|
|
if (!(vport->fc_flag & FC_OFFLINE_MODE))
|
|
return -EPERM;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE;
|
|
buf_off += sizeof(uint32_t))
|
|
writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)),
|
|
phba->ctrl_regs_memmap_p + off + buf_off);
|
|
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
return count;
|
|
}
|
|
|
|
/**
|
|
* sysfs_ctlreg_read - Read method for reading from ctlreg
|
|
* @filp: open sysfs file
|
|
* @kobj: kernel kobject that contains the kernel class device.
|
|
* @bin_attr: kernel attributes passed to us.
|
|
* @buf: if successful contains the data from the adapter IOREG space.
|
|
* @off: offset into buffer to beginning of data.
|
|
* @count: bytes to transfer.
|
|
*
|
|
* Description:
|
|
* Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
|
|
* Uses the adapter io control registers to read data into buf.
|
|
*
|
|
* Returns:
|
|
* -ERANGE off and count combo out of range
|
|
* -EINVAL off, count or buff address invalid
|
|
* value of count, buf contents read
|
|
**/
|
|
static ssize_t
|
|
sysfs_ctlreg_read(struct file *filp, struct kobject *kobj,
|
|
struct bin_attribute *bin_attr,
|
|
char *buf, loff_t off, size_t count)
|
|
{
|
|
size_t buf_off;
|
|
uint32_t * tmp_ptr;
|
|
struct device *dev = container_of(kobj, struct device, kobj);
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
if (phba->sli_rev >= LPFC_SLI_REV4)
|
|
return -EPERM;
|
|
|
|
if (off > FF_REG_AREA_SIZE)
|
|
return -ERANGE;
|
|
|
|
if ((off + count) > FF_REG_AREA_SIZE)
|
|
count = FF_REG_AREA_SIZE - off;
|
|
|
|
if (count == 0) return 0;
|
|
|
|
if (off % 4 || count % 4 || (unsigned long)buf % 4)
|
|
return -EINVAL;
|
|
|
|
spin_lock_irq(&phba->hbalock);
|
|
|
|
for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
|
|
tmp_ptr = (uint32_t *)(buf + buf_off);
|
|
*tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
|
|
}
|
|
|
|
spin_unlock_irq(&phba->hbalock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct bin_attribute sysfs_ctlreg_attr = {
|
|
.attr = {
|
|
.name = "ctlreg",
|
|
.mode = S_IRUSR | S_IWUSR,
|
|
},
|
|
.size = 256,
|
|
.read = sysfs_ctlreg_read,
|
|
.write = sysfs_ctlreg_write,
|
|
};
|
|
|
|
/**
|
|
* sysfs_mbox_write - Write method for writing information via mbox
|
|
* @filp: open sysfs file
|
|
* @kobj: kernel kobject that contains the kernel class device.
|
|
* @bin_attr: kernel attributes passed to us.
|
|
* @buf: contains the data to be written to sysfs mbox.
|
|
* @off: offset into buffer to beginning of data.
|
|
* @count: bytes to transfer.
|
|
*
|
|
* Description:
|
|
* Deprecated function. All mailbox access from user space is performed via the
|
|
* bsg interface.
|
|
*
|
|
* Returns:
|
|
* -EPERM operation not permitted
|
|
**/
|
|
static ssize_t
|
|
sysfs_mbox_write(struct file *filp, struct kobject *kobj,
|
|
struct bin_attribute *bin_attr,
|
|
char *buf, loff_t off, size_t count)
|
|
{
|
|
return -EPERM;
|
|
}
|
|
|
|
/**
|
|
* sysfs_mbox_read - Read method for reading information via mbox
|
|
* @filp: open sysfs file
|
|
* @kobj: kernel kobject that contains the kernel class device.
|
|
* @bin_attr: kernel attributes passed to us.
|
|
* @buf: contains the data to be read from sysfs mbox.
|
|
* @off: offset into buffer to beginning of data.
|
|
* @count: bytes to transfer.
|
|
*
|
|
* Description:
|
|
* Deprecated function. All mailbox access from user space is performed via the
|
|
* bsg interface.
|
|
*
|
|
* Returns:
|
|
* -EPERM operation not permitted
|
|
**/
|
|
static ssize_t
|
|
sysfs_mbox_read(struct file *filp, struct kobject *kobj,
|
|
struct bin_attribute *bin_attr,
|
|
char *buf, loff_t off, size_t count)
|
|
{
|
|
return -EPERM;
|
|
}
|
|
|
|
static struct bin_attribute sysfs_mbox_attr = {
|
|
.attr = {
|
|
.name = "mbox",
|
|
.mode = S_IRUSR | S_IWUSR,
|
|
},
|
|
.size = MAILBOX_SYSFS_MAX,
|
|
.read = sysfs_mbox_read,
|
|
.write = sysfs_mbox_write,
|
|
};
|
|
|
|
/**
|
|
* lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
|
|
* @vport: address of lpfc vport structure.
|
|
*
|
|
* Return codes:
|
|
* zero on success
|
|
* error return code from sysfs_create_bin_file()
|
|
**/
|
|
int
|
|
lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
|
|
{
|
|
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
|
|
int error;
|
|
|
|
error = sysfs_create_bin_file(&shost->shost_dev.kobj,
|
|
&sysfs_drvr_stat_data_attr);
|
|
|
|
/* Virtual ports do not need ctrl_reg and mbox */
|
|
if (error || vport->port_type == LPFC_NPIV_PORT)
|
|
goto out;
|
|
|
|
error = sysfs_create_bin_file(&shost->shost_dev.kobj,
|
|
&sysfs_ctlreg_attr);
|
|
if (error)
|
|
goto out_remove_stat_attr;
|
|
|
|
error = sysfs_create_bin_file(&shost->shost_dev.kobj,
|
|
&sysfs_mbox_attr);
|
|
if (error)
|
|
goto out_remove_ctlreg_attr;
|
|
|
|
return 0;
|
|
out_remove_ctlreg_attr:
|
|
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
|
|
out_remove_stat_attr:
|
|
sysfs_remove_bin_file(&shost->shost_dev.kobj,
|
|
&sysfs_drvr_stat_data_attr);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
|
|
* @vport: address of lpfc vport structure.
|
|
**/
|
|
void
|
|
lpfc_free_sysfs_attr(struct lpfc_vport *vport)
|
|
{
|
|
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
|
|
sysfs_remove_bin_file(&shost->shost_dev.kobj,
|
|
&sysfs_drvr_stat_data_attr);
|
|
/* Virtual ports do not need ctrl_reg and mbox */
|
|
if (vport->port_type == LPFC_NPIV_PORT)
|
|
return;
|
|
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
|
|
sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
|
|
}
|
|
|
|
|
|
/*
|
|
* Dynamic FC Host Attributes Support
|
|
*/
|
|
|
|
/**
|
|
* lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_host_port_id(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
|
|
/* note: fc_myDID already in cpu endianness */
|
|
fc_host_port_id(shost) = vport->fc_myDID;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_host_port_type - Set the value of the scsi host port type
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_host_port_type(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (vport->port_type == LPFC_NPIV_PORT) {
|
|
fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
|
|
} else if (lpfc_is_link_up(phba)) {
|
|
if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
|
|
if (vport->fc_flag & FC_PUBLIC_LOOP)
|
|
fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
|
|
else
|
|
fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
|
|
} else {
|
|
if (vport->fc_flag & FC_FABRIC)
|
|
fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
|
|
else
|
|
fc_host_port_type(shost) = FC_PORTTYPE_PTP;
|
|
}
|
|
} else
|
|
fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_host_port_state - Set the value of the scsi host port state
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_host_port_state(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (vport->fc_flag & FC_OFFLINE_MODE)
|
|
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
|
|
else {
|
|
switch (phba->link_state) {
|
|
case LPFC_LINK_UNKNOWN:
|
|
case LPFC_LINK_DOWN:
|
|
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
|
|
break;
|
|
case LPFC_LINK_UP:
|
|
case LPFC_CLEAR_LA:
|
|
case LPFC_HBA_READY:
|
|
/* Links up, reports port state accordingly */
|
|
if (vport->port_state < LPFC_VPORT_READY)
|
|
fc_host_port_state(shost) =
|
|
FC_PORTSTATE_BYPASSED;
|
|
else
|
|
fc_host_port_state(shost) =
|
|
FC_PORTSTATE_ONLINE;
|
|
break;
|
|
case LPFC_HBA_ERROR:
|
|
fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
|
|
break;
|
|
default:
|
|
fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
|
|
break;
|
|
}
|
|
}
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_host_speed - Set the value of the scsi host speed
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_host_speed(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (lpfc_is_link_up(phba)) {
|
|
switch(phba->fc_linkspeed) {
|
|
case LPFC_LINK_SPEED_1GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
|
|
break;
|
|
case LPFC_LINK_SPEED_2GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
|
|
break;
|
|
case LPFC_LINK_SPEED_4GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
|
|
break;
|
|
case LPFC_LINK_SPEED_8GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
|
|
break;
|
|
case LPFC_LINK_SPEED_10GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
|
|
break;
|
|
case LPFC_LINK_SPEED_16GHZ:
|
|
fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
|
|
break;
|
|
default:
|
|
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
|
|
break;
|
|
}
|
|
} else
|
|
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_host_fabric_name (struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
u64 node_name;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if ((vport->port_state > LPFC_FLOGI) &&
|
|
((vport->fc_flag & FC_FABRIC) ||
|
|
((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
|
|
(vport->fc_flag & FC_PUBLIC_LOOP))))
|
|
node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
|
|
else
|
|
/* fabric is local port if there is no F/FL_Port */
|
|
node_name = 0;
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
fc_host_fabric_name(shost) = node_name;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_stats - Return statistical information about the adapter
|
|
* @shost: kernel scsi host pointer.
|
|
*
|
|
* Notes:
|
|
* NULL on error for link down, no mbox pool, sli2 active,
|
|
* management not allowed, memory allocation error, or mbox error.
|
|
*
|
|
* Returns:
|
|
* NULL for error
|
|
* address of the adapter host statistics
|
|
**/
|
|
static struct fc_host_statistics *
|
|
lpfc_get_stats(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct fc_host_statistics *hs = &phba->link_stats;
|
|
struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
MAILBOX_t *pmb;
|
|
unsigned long seconds;
|
|
int rc = 0;
|
|
|
|
/*
|
|
* prevent udev from issuing mailbox commands until the port is
|
|
* configured.
|
|
*/
|
|
if (phba->link_state < LPFC_LINK_DOWN ||
|
|
!phba->mbox_mem_pool ||
|
|
(phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0)
|
|
return NULL;
|
|
|
|
if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
|
|
return NULL;
|
|
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmboxq)
|
|
return NULL;
|
|
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
|
|
pmb = &pmboxq->u.mb;
|
|
pmb->mbxCommand = MBX_READ_STATUS;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
pmboxq->vport = vport;
|
|
|
|
if (vport->fc_flag & FC_OFFLINE_MODE)
|
|
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
|
|
else
|
|
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
return NULL;
|
|
}
|
|
|
|
memset(hs, 0, sizeof (struct fc_host_statistics));
|
|
|
|
hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
|
|
/*
|
|
* The MBX_READ_STATUS returns tx_k_bytes which has to
|
|
* converted to words
|
|
*/
|
|
hs->tx_words = (uint64_t)
|
|
((uint64_t)pmb->un.varRdStatus.xmitByteCnt
|
|
* (uint64_t)256);
|
|
hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
|
|
hs->rx_words = (uint64_t)
|
|
((uint64_t)pmb->un.varRdStatus.rcvByteCnt
|
|
* (uint64_t)256);
|
|
|
|
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
pmb->mbxCommand = MBX_READ_LNK_STAT;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
pmboxq->vport = vport;
|
|
|
|
if (vport->fc_flag & FC_OFFLINE_MODE)
|
|
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
|
|
else
|
|
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
return NULL;
|
|
}
|
|
|
|
hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
|
|
hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
|
|
hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
|
|
hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
|
|
hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
|
|
hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
|
|
hs->error_frames = pmb->un.varRdLnk.crcCnt;
|
|
|
|
hs->link_failure_count -= lso->link_failure_count;
|
|
hs->loss_of_sync_count -= lso->loss_of_sync_count;
|
|
hs->loss_of_signal_count -= lso->loss_of_signal_count;
|
|
hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
|
|
hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
|
|
hs->invalid_crc_count -= lso->invalid_crc_count;
|
|
hs->error_frames -= lso->error_frames;
|
|
|
|
if (phba->hba_flag & HBA_FCOE_MODE) {
|
|
hs->lip_count = -1;
|
|
hs->nos_count = (phba->link_events >> 1);
|
|
hs->nos_count -= lso->link_events;
|
|
} else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
|
|
hs->lip_count = (phba->fc_eventTag >> 1);
|
|
hs->lip_count -= lso->link_events;
|
|
hs->nos_count = -1;
|
|
} else {
|
|
hs->lip_count = -1;
|
|
hs->nos_count = (phba->fc_eventTag >> 1);
|
|
hs->nos_count -= lso->link_events;
|
|
}
|
|
|
|
hs->dumped_frames = -1;
|
|
|
|
seconds = get_seconds();
|
|
if (seconds < psli->stats_start)
|
|
hs->seconds_since_last_reset = seconds +
|
|
((unsigned long)-1 - psli->stats_start);
|
|
else
|
|
hs->seconds_since_last_reset = seconds - psli->stats_start;
|
|
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
|
|
return hs;
|
|
}
|
|
|
|
/**
|
|
* lpfc_reset_stats - Copy the adapter link stats information
|
|
* @shost: kernel scsi host pointer.
|
|
**/
|
|
static void
|
|
lpfc_reset_stats(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_hba *phba = vport->phba;
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
MAILBOX_t *pmb;
|
|
int rc = 0;
|
|
|
|
if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
|
|
return;
|
|
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmboxq)
|
|
return;
|
|
memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
|
|
|
|
pmb = &pmboxq->u.mb;
|
|
pmb->mbxCommand = MBX_READ_STATUS;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmb->un.varWords[0] = 0x1; /* reset request */
|
|
pmboxq->context1 = NULL;
|
|
pmboxq->vport = vport;
|
|
|
|
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
|
|
(!(psli->sli_flag & LPFC_SLI_ACTIVE)))
|
|
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
|
|
else
|
|
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
return;
|
|
}
|
|
|
|
memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
|
|
pmb->mbxCommand = MBX_READ_LNK_STAT;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
pmboxq->vport = vport;
|
|
|
|
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
|
|
(!(psli->sli_flag & LPFC_SLI_ACTIVE)))
|
|
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
|
|
else
|
|
rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
if (rc != MBX_TIMEOUT)
|
|
mempool_free( pmboxq, phba->mbox_mem_pool);
|
|
return;
|
|
}
|
|
|
|
lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
|
|
lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
|
|
lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
|
|
lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
|
|
lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
|
|
lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
|
|
lso->error_frames = pmb->un.varRdLnk.crcCnt;
|
|
if (phba->hba_flag & HBA_FCOE_MODE)
|
|
lso->link_events = (phba->link_events >> 1);
|
|
else
|
|
lso->link_events = (phba->fc_eventTag >> 1);
|
|
|
|
psli->stats_start = get_seconds();
|
|
|
|
mempool_free(pmboxq, phba->mbox_mem_pool);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* The LPFC driver treats linkdown handling as target loss events so there
|
|
* are no sysfs handlers for link_down_tmo.
|
|
*/
|
|
|
|
/**
|
|
* lpfc_get_node_by_target - Return the nodelist for a target
|
|
* @starget: kernel scsi target pointer.
|
|
*
|
|
* Returns:
|
|
* address of the node list if found
|
|
* NULL target not found
|
|
**/
|
|
static struct lpfc_nodelist *
|
|
lpfc_get_node_by_target(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
|
|
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
|
|
struct lpfc_nodelist *ndlp;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
/* Search for this, mapped, target ID */
|
|
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
|
|
if (NLP_CHK_NODE_ACT(ndlp) &&
|
|
ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
|
|
starget->id == ndlp->nlp_sid) {
|
|
spin_unlock_irq(shost->host_lock);
|
|
return ndlp;
|
|
}
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
|
|
* @starget: kernel scsi target pointer.
|
|
**/
|
|
static void
|
|
lpfc_get_starget_port_id(struct scsi_target *starget)
|
|
{
|
|
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
|
|
|
|
fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_starget_node_name - Set the target node name
|
|
* @starget: kernel scsi target pointer.
|
|
*
|
|
* Description: Set the target node name to the ndlp node name wwn or zero.
|
|
**/
|
|
static void
|
|
lpfc_get_starget_node_name(struct scsi_target *starget)
|
|
{
|
|
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
|
|
|
|
fc_starget_node_name(starget) =
|
|
ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_starget_port_name - Set the target port name
|
|
* @starget: kernel scsi target pointer.
|
|
*
|
|
* Description: set the target port name to the ndlp port name wwn or zero.
|
|
**/
|
|
static void
|
|
lpfc_get_starget_port_name(struct scsi_target *starget)
|
|
{
|
|
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
|
|
|
|
fc_starget_port_name(starget) =
|
|
ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
|
|
}
|
|
|
|
/**
|
|
* lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
|
|
* @rport: fc rport address.
|
|
* @timeout: new value for dev loss tmo.
|
|
*
|
|
* Description:
|
|
* If timeout is non zero set the dev_loss_tmo to timeout, else set
|
|
* dev_loss_tmo to one.
|
|
**/
|
|
static void
|
|
lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
|
|
{
|
|
if (timeout)
|
|
rport->dev_loss_tmo = timeout;
|
|
else
|
|
rport->dev_loss_tmo = 1;
|
|
}
|
|
|
|
/**
|
|
* lpfc_rport_show_function - Return rport target information
|
|
*
|
|
* Description:
|
|
* Macro that uses field to generate a function with the name lpfc_show_rport_
|
|
*
|
|
* lpfc_show_rport_##field: returns the bytes formatted in buf
|
|
* @cdev: class converted to an fc_rport.
|
|
* @buf: on return contains the target_field or zero.
|
|
*
|
|
* Returns: size of formatted string.
|
|
**/
|
|
#define lpfc_rport_show_function(field, format_string, sz, cast) \
|
|
static ssize_t \
|
|
lpfc_show_rport_##field (struct device *dev, \
|
|
struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct fc_rport *rport = transport_class_to_rport(dev); \
|
|
struct lpfc_rport_data *rdata = rport->hostdata; \
|
|
return snprintf(buf, sz, format_string, \
|
|
(rdata->target) ? cast rdata->target->field : 0); \
|
|
}
|
|
|
|
#define lpfc_rport_rd_attr(field, format_string, sz) \
|
|
lpfc_rport_show_function(field, format_string, sz, ) \
|
|
static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
|
|
|
|
/**
|
|
* lpfc_set_vport_symbolic_name - Set the vport's symbolic name
|
|
* @fc_vport: The fc_vport who's symbolic name has been changed.
|
|
*
|
|
* Description:
|
|
* This function is called by the transport after the @fc_vport's symbolic name
|
|
* has been changed. This function re-registers the symbolic name with the
|
|
* switch to propagate the change into the fabric if the vport is active.
|
|
**/
|
|
static void
|
|
lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport)
|
|
{
|
|
struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
|
|
|
|
if (vport->port_state == LPFC_VPORT_READY)
|
|
lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* lpfc_hba_log_verbose_init - Set hba's log verbose level
|
|
* @phba: Pointer to lpfc_hba struct.
|
|
*
|
|
* This function is called by the lpfc_get_cfgparam() routine to set the
|
|
* module lpfc_log_verbose into the @phba cfg_log_verbose for use with
|
|
* log message according to the module's lpfc_log_verbose parameter setting
|
|
* before hba port or vport created.
|
|
**/
|
|
static void
|
|
lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose)
|
|
{
|
|
phba->cfg_log_verbose = verbose;
|
|
}
|
|
|
|
struct fc_function_template lpfc_transport_functions = {
|
|
/* fixed attributes the driver supports */
|
|
.show_host_node_name = 1,
|
|
.show_host_port_name = 1,
|
|
.show_host_supported_classes = 1,
|
|
.show_host_supported_fc4s = 1,
|
|
.show_host_supported_speeds = 1,
|
|
.show_host_maxframe_size = 1,
|
|
.show_host_symbolic_name = 1,
|
|
|
|
/* dynamic attributes the driver supports */
|
|
.get_host_port_id = lpfc_get_host_port_id,
|
|
.show_host_port_id = 1,
|
|
|
|
.get_host_port_type = lpfc_get_host_port_type,
|
|
.show_host_port_type = 1,
|
|
|
|
.get_host_port_state = lpfc_get_host_port_state,
|
|
.show_host_port_state = 1,
|
|
|
|
/* active_fc4s is shown but doesn't change (thus no get function) */
|
|
.show_host_active_fc4s = 1,
|
|
|
|
.get_host_speed = lpfc_get_host_speed,
|
|
.show_host_speed = 1,
|
|
|
|
.get_host_fabric_name = lpfc_get_host_fabric_name,
|
|
.show_host_fabric_name = 1,
|
|
|
|
/*
|
|
* The LPFC driver treats linkdown handling as target loss events
|
|
* so there are no sysfs handlers for link_down_tmo.
|
|
*/
|
|
|
|
.get_fc_host_stats = lpfc_get_stats,
|
|
.reset_fc_host_stats = lpfc_reset_stats,
|
|
|
|
.dd_fcrport_size = sizeof(struct lpfc_rport_data),
|
|
.show_rport_maxframe_size = 1,
|
|
.show_rport_supported_classes = 1,
|
|
|
|
.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
|
|
.show_rport_dev_loss_tmo = 1,
|
|
|
|
.get_starget_port_id = lpfc_get_starget_port_id,
|
|
.show_starget_port_id = 1,
|
|
|
|
.get_starget_node_name = lpfc_get_starget_node_name,
|
|
.show_starget_node_name = 1,
|
|
|
|
.get_starget_port_name = lpfc_get_starget_port_name,
|
|
.show_starget_port_name = 1,
|
|
|
|
.issue_fc_host_lip = lpfc_issue_lip,
|
|
.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
|
|
.terminate_rport_io = lpfc_terminate_rport_io,
|
|
|
|
.dd_fcvport_size = sizeof(struct lpfc_vport *),
|
|
|
|
.vport_disable = lpfc_vport_disable,
|
|
|
|
.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
|
|
|
|
.bsg_request = lpfc_bsg_request,
|
|
.bsg_timeout = lpfc_bsg_timeout,
|
|
};
|
|
|
|
struct fc_function_template lpfc_vport_transport_functions = {
|
|
/* fixed attributes the driver supports */
|
|
.show_host_node_name = 1,
|
|
.show_host_port_name = 1,
|
|
.show_host_supported_classes = 1,
|
|
.show_host_supported_fc4s = 1,
|
|
.show_host_supported_speeds = 1,
|
|
.show_host_maxframe_size = 1,
|
|
.show_host_symbolic_name = 1,
|
|
|
|
/* dynamic attributes the driver supports */
|
|
.get_host_port_id = lpfc_get_host_port_id,
|
|
.show_host_port_id = 1,
|
|
|
|
.get_host_port_type = lpfc_get_host_port_type,
|
|
.show_host_port_type = 1,
|
|
|
|
.get_host_port_state = lpfc_get_host_port_state,
|
|
.show_host_port_state = 1,
|
|
|
|
/* active_fc4s is shown but doesn't change (thus no get function) */
|
|
.show_host_active_fc4s = 1,
|
|
|
|
.get_host_speed = lpfc_get_host_speed,
|
|
.show_host_speed = 1,
|
|
|
|
.get_host_fabric_name = lpfc_get_host_fabric_name,
|
|
.show_host_fabric_name = 1,
|
|
|
|
/*
|
|
* The LPFC driver treats linkdown handling as target loss events
|
|
* so there are no sysfs handlers for link_down_tmo.
|
|
*/
|
|
|
|
.get_fc_host_stats = lpfc_get_stats,
|
|
.reset_fc_host_stats = lpfc_reset_stats,
|
|
|
|
.dd_fcrport_size = sizeof(struct lpfc_rport_data),
|
|
.show_rport_maxframe_size = 1,
|
|
.show_rport_supported_classes = 1,
|
|
|
|
.set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
|
|
.show_rport_dev_loss_tmo = 1,
|
|
|
|
.get_starget_port_id = lpfc_get_starget_port_id,
|
|
.show_starget_port_id = 1,
|
|
|
|
.get_starget_node_name = lpfc_get_starget_node_name,
|
|
.show_starget_node_name = 1,
|
|
|
|
.get_starget_port_name = lpfc_get_starget_port_name,
|
|
.show_starget_port_name = 1,
|
|
|
|
.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
|
|
.terminate_rport_io = lpfc_terminate_rport_io,
|
|
|
|
.vport_disable = lpfc_vport_disable,
|
|
|
|
.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,
|
|
};
|
|
|
|
/**
|
|
* lpfc_get_cfgparam - Used during probe_one to init the adapter structure
|
|
* @phba: lpfc_hba pointer.
|
|
**/
|
|
void
|
|
lpfc_get_cfgparam(struct lpfc_hba *phba)
|
|
{
|
|
lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched);
|
|
lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset);
|
|
lpfc_cr_delay_init(phba, lpfc_cr_delay);
|
|
lpfc_cr_count_init(phba, lpfc_cr_count);
|
|
lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
|
|
lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
|
|
lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
|
|
lpfc_ack0_init(phba, lpfc_ack0);
|
|
lpfc_topology_init(phba, lpfc_topology);
|
|
lpfc_link_speed_init(phba, lpfc_link_speed);
|
|
lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
|
|
lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo);
|
|
lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
|
|
lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy);
|
|
lpfc_enable_rrq_init(phba, lpfc_enable_rrq);
|
|
lpfc_use_msi_init(phba, lpfc_use_msi);
|
|
lpfc_fcp_imax_init(phba, lpfc_fcp_imax);
|
|
lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map);
|
|
lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel);
|
|
lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset);
|
|
lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat);
|
|
lpfc_EnableXLane_init(phba, lpfc_EnableXLane);
|
|
if (phba->sli_rev != LPFC_SLI_REV4)
|
|
phba->cfg_EnableXLane = 0;
|
|
lpfc_XLanePriority_init(phba, lpfc_XLanePriority);
|
|
memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t)));
|
|
memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t)));
|
|
phba->cfg_oas_lun_state = 0;
|
|
phba->cfg_oas_lun_status = 0;
|
|
phba->cfg_oas_flags = 0;
|
|
lpfc_enable_bg_init(phba, lpfc_enable_bg);
|
|
if (phba->sli_rev == LPFC_SLI_REV4)
|
|
phba->cfg_poll = 0;
|
|
else
|
|
phba->cfg_poll = lpfc_poll;
|
|
phba->cfg_soft_wwnn = 0L;
|
|
phba->cfg_soft_wwpn = 0L;
|
|
lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt);
|
|
lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt);
|
|
lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
|
|
lpfc_hba_log_verbose_init(phba, lpfc_log_verbose);
|
|
lpfc_aer_support_init(phba, lpfc_aer_support);
|
|
lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn);
|
|
lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade);
|
|
lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up);
|
|
lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt);
|
|
phba->cfg_enable_dss = 1;
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* lpfc_get_vport_cfgparam - Used during port create, init the vport structure
|
|
* @vport: lpfc_vport pointer.
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**/
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void
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lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
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{
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lpfc_log_verbose_init(vport, lpfc_log_verbose);
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lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
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lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth);
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lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
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lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
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lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
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lpfc_restrict_login_init(vport, lpfc_restrict_login);
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lpfc_fcp_class_init(vport, lpfc_fcp_class);
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lpfc_use_adisc_init(vport, lpfc_use_adisc);
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lpfc_first_burst_size_init(vport, lpfc_first_burst_size);
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lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
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lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
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lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
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lpfc_max_luns_init(vport, lpfc_max_luns);
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lpfc_scan_down_init(vport, lpfc_scan_down);
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lpfc_enable_da_id_init(vport, lpfc_enable_da_id);
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return;
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}
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