mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 17:23:55 +08:00
f888ba3ce7
Fix panic in lpfc_get_stats() Symptoms: Panic on sysfs stats access Cause: In lpfc_get_stats() we are writing to memory that we do not own. Fix: Fix our stats structure allocation. Embed phba->link_stats in struct lpfc_hba and stop treating it like rogue structure. Note: Embedding midlayer/transport structure in our structure caused need for more files to include midlayer/transport headers. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
1290 lines
36 KiB
C
1290 lines
36 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) 2004-2005 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/pci.h>
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#include <linux/interrupt.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 "lpfc_hw.h"
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#include "lpfc_sli.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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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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static ssize_t
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lpfc_drvr_version_show(struct class_device *cdev, 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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static ssize_t
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management_version_show(struct class_device *cdev, char *buf)
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{
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return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
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}
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static ssize_t
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lpfc_info_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
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}
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static ssize_t
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lpfc_serialnum_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
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}
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static ssize_t
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lpfc_modeldesc_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
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}
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static ssize_t
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lpfc_modelname_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
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}
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static ssize_t
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lpfc_programtype_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
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}
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static ssize_t
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lpfc_portnum_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
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}
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static ssize_t
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lpfc_fwrev_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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char fwrev[32];
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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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static ssize_t
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lpfc_hdw_show(struct class_device *cdev, char *buf)
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{
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char hdw[9];
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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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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static ssize_t
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lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
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}
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static ssize_t
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lpfc_state_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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int len = 0;
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switch (phba->hba_state) {
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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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len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
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break;
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case LPFC_LINK_UP:
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case LPFC_LOCAL_CFG_LINK:
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len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
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break;
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case LPFC_FLOGI:
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case LPFC_FABRIC_CFG_LINK:
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case LPFC_NS_REG:
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case LPFC_NS_QRY:
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case LPFC_BUILD_DISC_LIST:
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case LPFC_DISC_AUTH:
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case LPFC_CLEAR_LA:
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len += snprintf(buf + len, PAGE_SIZE-len,
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"Link Up - Discovery\n");
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break;
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case LPFC_HBA_READY:
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len += snprintf(buf + len, PAGE_SIZE-len,
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"Link Up - Ready:\n");
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if (phba->fc_topology == TOPOLOGY_LOOP) {
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if (phba->fc_flag & FC_PUBLIC_LOOP)
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len += snprintf(buf + len, PAGE_SIZE-len,
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" Public Loop\n");
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else
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len += snprintf(buf + len, PAGE_SIZE-len,
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" Private Loop\n");
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} else {
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if (phba->fc_flag & FC_FABRIC)
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len += snprintf(buf + len, PAGE_SIZE-len,
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" Fabric\n");
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else
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len += snprintf(buf + len, PAGE_SIZE-len,
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" Point-2-Point\n");
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}
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}
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return len;
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}
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static ssize_t
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lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
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phba->fc_unmap_cnt);
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}
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static ssize_t
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lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
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int val = 0;
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LPFC_MBOXQ_t *pmboxq;
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int mbxstatus = MBXERR_ERROR;
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if ((sscanf(buf, "%d", &val) != 1) ||
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(val != 1))
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return -EINVAL;
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if ((phba->fc_flag & FC_OFFLINE_MODE) ||
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(phba->hba_state != LPFC_HBA_READY))
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return -EPERM;
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pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
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if (!pmboxq)
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return -ENOMEM;
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memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
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lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
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mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
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if (mbxstatus == MBX_TIMEOUT)
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pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
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else
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mempool_free( pmboxq, phba->mbox_mem_pool);
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if (mbxstatus == MBXERR_ERROR)
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return -EIO;
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return strlen(buf);
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}
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static ssize_t
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lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
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}
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static ssize_t
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lpfc_board_online_show(struct class_device *cdev, char *buf)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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if (!phba) return 0;
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if (phba->fc_flag & FC_OFFLINE_MODE)
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return snprintf(buf, PAGE_SIZE, "0\n");
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else
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return snprintf(buf, PAGE_SIZE, "1\n");
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}
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static ssize_t
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lpfc_board_online_store(struct class_device *cdev, const char *buf,
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size_t count)
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{
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struct Scsi_Host *host = class_to_shost(cdev);
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
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struct completion online_compl;
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int val=0, status=0;
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if (sscanf(buf, "%d", &val) != 1)
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return 0;
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init_completion(&online_compl);
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if (val)
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lpfc_workq_post_event(phba, &status, &online_compl,
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LPFC_EVT_ONLINE);
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else
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lpfc_workq_post_event(phba, &status, &online_compl,
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LPFC_EVT_OFFLINE);
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wait_for_completion(&online_compl);
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if (!status)
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return strlen(buf);
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else
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return 0;
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}
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#define lpfc_param_show(attr) \
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static ssize_t \
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lpfc_##attr##_show(struct class_device *cdev, char *buf) \
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{ \
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struct Scsi_Host *host = class_to_shost(cdev);\
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
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int val = 0;\
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if (phba){\
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val = phba->cfg_##attr;\
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return snprintf(buf, PAGE_SIZE, "%d\n",\
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phba->cfg_##attr);\
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}\
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return 0;\
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}
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#define lpfc_param_store(attr, minval, maxval) \
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static ssize_t \
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lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
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{ \
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struct Scsi_Host *host = class_to_shost(cdev);\
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struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
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int val = 0;\
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if (!isdigit(buf[0]))\
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return -EINVAL;\
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if (sscanf(buf, "0x%x", &val) != 1)\
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if (sscanf(buf, "%d", &val) != 1)\
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return -EINVAL;\
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if (phba){\
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if (val >= minval && val <= maxval) {\
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phba->cfg_##attr = val;\
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return strlen(buf);\
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}\
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}\
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return 0;\
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}
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#define LPFC_ATTR_R_NOINIT(name, desc) \
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extern int lpfc_##name;\
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module_param(lpfc_##name, int, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
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#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
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static int lpfc_##name = defval;\
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module_param(lpfc_##name, int, 0);\
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MODULE_PARM_DESC(lpfc_##name, desc);\
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lpfc_param_show(name)\
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lpfc_param_store(name, minval, maxval)\
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static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
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lpfc_##name##_show, lpfc_##name##_store)
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static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
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static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
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static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
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static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
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static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
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static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
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static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
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static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
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static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
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static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
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lpfc_option_rom_version_show, NULL);
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static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
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lpfc_num_discovered_ports_show, NULL);
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static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
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static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
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NULL);
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static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
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NULL);
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static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
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static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
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lpfc_board_online_show, lpfc_board_online_store);
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/*
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# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
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# deluged with LOTS of information.
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# You can set a bit mask to record specific types of verbose messages:
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#
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# LOG_ELS 0x1 ELS events
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# LOG_DISCOVERY 0x2 Link discovery events
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# LOG_MBOX 0x4 Mailbox events
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# LOG_INIT 0x8 Initialization events
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# LOG_LINK_EVENT 0x10 Link events
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# LOG_IP 0x20 IP traffic history
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# LOG_FCP 0x40 FCP traffic history
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# LOG_NODE 0x80 Node table events
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# LOG_MISC 0x400 Miscellaneous events
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# LOG_SLI 0x800 SLI events
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# LOG_CHK_COND 0x1000 FCP Check condition flag
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# LOG_LIBDFC 0x2000 LIBDFC events
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# LOG_ALL_MSG 0xffff LOG all messages
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*/
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LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
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/*
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# lun_queue_depth: This parameter is used to limit the number of outstanding
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# commands per FCP LUN. Value range is [1,128]. Default value is 30.
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*/
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LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
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"Max number of FCP commands we can queue to a specific LUN");
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/*
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# Some disk devices have a "select ID" or "select Target" capability.
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# From a protocol standpoint "select ID" usually means select the
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# Fibre channel "ALPA". In the FC-AL Profile there is an "informative
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# annex" which contains a table that maps a "select ID" (a number
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# between 0 and 7F) to an ALPA. By default, for compatibility with
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# older drivers, the lpfc driver scans this table from low ALPA to high
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# ALPA.
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#
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# Turning on the scan-down variable (on = 1, off = 0) will
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# cause the lpfc driver to use an inverted table, effectively
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# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
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#
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# (Note: This "select ID" functionality is a LOOP ONLY characteristic
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# and will not work across a fabric. Also this parameter will take
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# effect only in the case when ALPA map is not available.)
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*/
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LPFC_ATTR_R(scan_down, 1, 0, 1,
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"Start scanning for devices from highest ALPA to lowest");
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/*
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# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
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# until the timer expires. Value range is [0,255]. Default value is 20.
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# NOTE: this MUST be less then the SCSI Layer command timeout - 1.
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*/
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LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
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"Seconds driver will hold I/O waiting for a device to come back");
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|
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/*
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# lpfc_topology: link topology for init link
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# 0x0 = attempt loop mode then point-to-point
|
|
# 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_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
|
|
|
|
/*
|
|
# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
|
|
# connection.
|
|
# 0 = auto select (default)
|
|
# 1 = 1 Gigabaud
|
|
# 2 = 2 Gigabaud
|
|
# 4 = 4 Gigabaud
|
|
# Value range is [0,4]. Default value is 0.
|
|
*/
|
|
LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
|
|
|
|
/*
|
|
# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
|
|
# Value range is [2,3]. Default value is 3.
|
|
*/
|
|
LPFC_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_ATTR_RW(use_adisc, 0, 0, 1,
|
|
"Use ADISC on rediscovery to authenticate FCP devices");
|
|
|
|
/*
|
|
# 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_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 [0,255]. 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.
|
|
*/
|
|
static int lpfc_cr_delay = 0;
|
|
module_param(lpfc_cr_delay, int , 0);
|
|
MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
|
|
"interrupt response is generated");
|
|
|
|
static int lpfc_cr_count = 1;
|
|
module_param(lpfc_cr_count, int, 0);
|
|
MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
|
|
"interrupt response is generated");
|
|
|
|
/*
|
|
# lpfc_fdmi_on: controls FDMI support.
|
|
# 0 = no FDMI support
|
|
# 1 = support FDMI without attribute of hostname
|
|
# 2 = support FDMI with attribute of hostname
|
|
# Value range [0,2]. Default value is 0.
|
|
*/
|
|
LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
|
|
|
|
/*
|
|
# Specifies the maximum number of ELS cmds we can have outstanding (for
|
|
# discovery). Value range is [1,64]. Default value = 32.
|
|
*/
|
|
static int lpfc_discovery_threads = 32;
|
|
module_param(lpfc_discovery_threads, int, 0);
|
|
MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
|
|
"during discovery");
|
|
|
|
/*
|
|
# lpfc_max_luns: maximum number of LUNs per target driver will support
|
|
# Value range is [1,32768]. Default value is 256.
|
|
# NOTE: The SCSI layer will scan each target for this many luns
|
|
*/
|
|
LPFC_ATTR_R(max_luns, 256, 1, 32768,
|
|
"Maximum number of LUNs per target driver will support");
|
|
|
|
struct class_device_attribute *lpfc_host_attrs[] = {
|
|
&class_device_attr_info,
|
|
&class_device_attr_serialnum,
|
|
&class_device_attr_modeldesc,
|
|
&class_device_attr_modelname,
|
|
&class_device_attr_programtype,
|
|
&class_device_attr_portnum,
|
|
&class_device_attr_fwrev,
|
|
&class_device_attr_hdw,
|
|
&class_device_attr_option_rom_version,
|
|
&class_device_attr_state,
|
|
&class_device_attr_num_discovered_ports,
|
|
&class_device_attr_lpfc_drvr_version,
|
|
&class_device_attr_lpfc_log_verbose,
|
|
&class_device_attr_lpfc_lun_queue_depth,
|
|
&class_device_attr_lpfc_nodev_tmo,
|
|
&class_device_attr_lpfc_fcp_class,
|
|
&class_device_attr_lpfc_use_adisc,
|
|
&class_device_attr_lpfc_ack0,
|
|
&class_device_attr_lpfc_topology,
|
|
&class_device_attr_lpfc_scan_down,
|
|
&class_device_attr_lpfc_link_speed,
|
|
&class_device_attr_lpfc_fdmi_on,
|
|
&class_device_attr_lpfc_max_luns,
|
|
&class_device_attr_nport_evt_cnt,
|
|
&class_device_attr_management_version,
|
|
&class_device_attr_issue_lip,
|
|
&class_device_attr_board_online,
|
|
NULL,
|
|
};
|
|
|
|
static ssize_t
|
|
sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
{
|
|
size_t buf_off;
|
|
struct Scsi_Host *host = class_to_shost(container_of(kobj,
|
|
struct class_device, kobj));
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
|
|
|
|
if ((off + count) > FF_REG_AREA_SIZE)
|
|
return -ERANGE;
|
|
|
|
if (count == 0) return 0;
|
|
|
|
if (off % 4 || count % 4 || (unsigned long)buf % 4)
|
|
return -EINVAL;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
|
|
if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return -EPERM;
|
|
}
|
|
|
|
for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
|
|
writel(*((uint32_t *)(buf + buf_off)),
|
|
phba->ctrl_regs_memmap_p + off + buf_off);
|
|
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
{
|
|
size_t buf_off;
|
|
uint32_t * tmp_ptr;
|
|
struct Scsi_Host *host = class_to_shost(container_of(kobj,
|
|
struct class_device, kobj));
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
|
|
|
|
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->host->host_lock);
|
|
|
|
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->host->host_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct bin_attribute sysfs_ctlreg_attr = {
|
|
.attr = {
|
|
.name = "ctlreg",
|
|
.mode = S_IRUSR | S_IWUSR,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.size = 256,
|
|
.read = sysfs_ctlreg_read,
|
|
.write = sysfs_ctlreg_write,
|
|
};
|
|
|
|
|
|
static void
|
|
sysfs_mbox_idle (struct lpfc_hba * phba)
|
|
{
|
|
phba->sysfs_mbox.state = SMBOX_IDLE;
|
|
phba->sysfs_mbox.offset = 0;
|
|
|
|
if (phba->sysfs_mbox.mbox) {
|
|
mempool_free(phba->sysfs_mbox.mbox,
|
|
phba->mbox_mem_pool);
|
|
phba->sysfs_mbox.mbox = NULL;
|
|
}
|
|
}
|
|
|
|
static ssize_t
|
|
sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
{
|
|
struct Scsi_Host * host =
|
|
class_to_shost(container_of(kobj, struct class_device, kobj));
|
|
struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
|
|
struct lpfcMboxq * mbox = NULL;
|
|
|
|
if ((count + off) > MAILBOX_CMD_SIZE)
|
|
return -ERANGE;
|
|
|
|
if (off % 4 || count % 4 || (unsigned long)buf % 4)
|
|
return -EINVAL;
|
|
|
|
if (count == 0)
|
|
return 0;
|
|
|
|
if (off == 0) {
|
|
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!mbox)
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
spin_lock_irq(host->host_lock);
|
|
|
|
if (off == 0) {
|
|
if (phba->sysfs_mbox.mbox)
|
|
mempool_free(mbox, phba->mbox_mem_pool);
|
|
else
|
|
phba->sysfs_mbox.mbox = mbox;
|
|
phba->sysfs_mbox.state = SMBOX_WRITING;
|
|
} else {
|
|
if (phba->sysfs_mbox.state != SMBOX_WRITING ||
|
|
phba->sysfs_mbox.offset != off ||
|
|
phba->sysfs_mbox.mbox == NULL ) {
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(host->host_lock);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
|
|
buf, count);
|
|
|
|
phba->sysfs_mbox.offset = off + count;
|
|
|
|
spin_unlock_irq(host->host_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
|
|
{
|
|
struct Scsi_Host *host =
|
|
class_to_shost(container_of(kobj, struct class_device,
|
|
kobj));
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
|
|
int rc;
|
|
|
|
if (off > sizeof(MAILBOX_t))
|
|
return -ERANGE;
|
|
|
|
if ((count + off) > sizeof(MAILBOX_t))
|
|
count = sizeof(MAILBOX_t) - off;
|
|
|
|
if (off % 4 || count % 4 || (unsigned long)buf % 4)
|
|
return -EINVAL;
|
|
|
|
if (off && count == 0)
|
|
return 0;
|
|
|
|
spin_lock_irq(phba->host->host_lock);
|
|
|
|
if (off == 0 &&
|
|
phba->sysfs_mbox.state == SMBOX_WRITING &&
|
|
phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
|
|
|
|
switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
|
|
/* Offline only */
|
|
case MBX_WRITE_NV:
|
|
case MBX_INIT_LINK:
|
|
case MBX_DOWN_LINK:
|
|
case MBX_CONFIG_LINK:
|
|
case MBX_CONFIG_RING:
|
|
case MBX_RESET_RING:
|
|
case MBX_UNREG_LOGIN:
|
|
case MBX_CLEAR_LA:
|
|
case MBX_DUMP_CONTEXT:
|
|
case MBX_RUN_DIAGS:
|
|
case MBX_RESTART:
|
|
case MBX_FLASH_WR_ULA:
|
|
case MBX_SET_MASK:
|
|
case MBX_SET_SLIM:
|
|
case MBX_SET_DEBUG:
|
|
if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
|
|
printk(KERN_WARNING "mbox_read:Command 0x%x "
|
|
"is illegal in on-line state\n",
|
|
phba->sysfs_mbox.mbox->mb.mbxCommand);
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return -EPERM;
|
|
}
|
|
case MBX_LOAD_SM:
|
|
case MBX_READ_NV:
|
|
case MBX_READ_CONFIG:
|
|
case MBX_READ_RCONFIG:
|
|
case MBX_READ_STATUS:
|
|
case MBX_READ_XRI:
|
|
case MBX_READ_REV:
|
|
case MBX_READ_LNK_STAT:
|
|
case MBX_DUMP_MEMORY:
|
|
case MBX_DOWN_LOAD:
|
|
case MBX_UPDATE_CFG:
|
|
case MBX_LOAD_AREA:
|
|
case MBX_LOAD_EXP_ROM:
|
|
break;
|
|
case MBX_READ_SPARM64:
|
|
case MBX_READ_LA:
|
|
case MBX_READ_LA64:
|
|
case MBX_REG_LOGIN:
|
|
case MBX_REG_LOGIN64:
|
|
case MBX_CONFIG_PORT:
|
|
case MBX_RUN_BIU_DIAG:
|
|
printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
|
|
phba->sysfs_mbox.mbox->mb.mbxCommand);
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return -EPERM;
|
|
default:
|
|
printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
|
|
phba->sysfs_mbox.mbox->mb.mbxCommand);
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
return -EPERM;
|
|
}
|
|
|
|
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
|
|
(!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
|
|
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
rc = lpfc_sli_issue_mbox (phba,
|
|
phba->sysfs_mbox.mbox,
|
|
MBX_POLL);
|
|
spin_lock_irq(phba->host->host_lock);
|
|
|
|
} else {
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
rc = lpfc_sli_issue_mbox_wait (phba,
|
|
phba->sysfs_mbox.mbox,
|
|
phba->fc_ratov * 2);
|
|
spin_lock_irq(phba->host->host_lock);
|
|
}
|
|
|
|
if (rc != MBX_SUCCESS) {
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(host->host_lock);
|
|
return -ENODEV;
|
|
}
|
|
phba->sysfs_mbox.state = SMBOX_READING;
|
|
}
|
|
else if (phba->sysfs_mbox.offset != off ||
|
|
phba->sysfs_mbox.state != SMBOX_READING) {
|
|
printk(KERN_WARNING "mbox_read: Bad State\n");
|
|
sysfs_mbox_idle(phba);
|
|
spin_unlock_irq(host->host_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
|
|
|
|
phba->sysfs_mbox.offset = off + count;
|
|
|
|
if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
|
|
sysfs_mbox_idle(phba);
|
|
|
|
spin_unlock_irq(phba->host->host_lock);
|
|
|
|
return count;
|
|
}
|
|
|
|
static struct bin_attribute sysfs_mbox_attr = {
|
|
.attr = {
|
|
.name = "mbox",
|
|
.mode = S_IRUSR | S_IWUSR,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.size = sizeof(MAILBOX_t),
|
|
.read = sysfs_mbox_read,
|
|
.write = sysfs_mbox_write,
|
|
};
|
|
|
|
int
|
|
lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
|
|
{
|
|
struct Scsi_Host *host = phba->host;
|
|
int error;
|
|
|
|
error = sysfs_create_bin_file(&host->shost_classdev.kobj,
|
|
&sysfs_ctlreg_attr);
|
|
if (error)
|
|
goto out;
|
|
|
|
error = sysfs_create_bin_file(&host->shost_classdev.kobj,
|
|
&sysfs_mbox_attr);
|
|
if (error)
|
|
goto out_remove_ctlreg_attr;
|
|
|
|
return 0;
|
|
out_remove_ctlreg_attr:
|
|
sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
void
|
|
lpfc_free_sysfs_attr(struct lpfc_hba *phba)
|
|
{
|
|
struct Scsi_Host *host = phba->host;
|
|
|
|
sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
|
|
sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
|
|
}
|
|
|
|
|
|
/*
|
|
* Dynamic FC Host Attributes Support
|
|
*/
|
|
|
|
static void
|
|
lpfc_get_host_port_id(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
|
|
/* note: fc_myDID already in cpu endianness */
|
|
fc_host_port_id(shost) = phba->fc_myDID;
|
|
}
|
|
|
|
static void
|
|
lpfc_get_host_port_type(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (phba->hba_state == LPFC_HBA_READY) {
|
|
if (phba->fc_topology == TOPOLOGY_LOOP) {
|
|
if (phba->fc_flag & FC_PUBLIC_LOOP)
|
|
fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
|
|
else
|
|
fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
|
|
} else {
|
|
if (phba->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);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_host_port_state(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (phba->fc_flag & FC_OFFLINE_MODE)
|
|
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
|
|
else {
|
|
switch (phba->hba_state) {
|
|
case LPFC_INIT_START:
|
|
case LPFC_INIT_MBX_CMDS:
|
|
case LPFC_LINK_DOWN:
|
|
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
|
|
break;
|
|
case LPFC_LINK_UP:
|
|
case LPFC_LOCAL_CFG_LINK:
|
|
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:
|
|
case LPFC_CLEAR_LA:
|
|
case LPFC_HBA_READY:
|
|
/* Links up, beyond this port_type reports state */
|
|
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);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_host_speed(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if (phba->hba_state == LPFC_HBA_READY) {
|
|
switch(phba->fc_linkspeed) {
|
|
case LA_1GHZ_LINK:
|
|
fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
|
|
break;
|
|
case LA_2GHZ_LINK:
|
|
fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
|
|
break;
|
|
case LA_4GHZ_LINK:
|
|
fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
|
|
break;
|
|
default:
|
|
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
|
|
break;
|
|
}
|
|
}
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_host_fabric_name (struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
|
|
u64 nodename;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
|
|
if ((phba->fc_flag & FC_FABRIC) ||
|
|
((phba->fc_topology == TOPOLOGY_LOOP) &&
|
|
(phba->fc_flag & FC_PUBLIC_LOOP)))
|
|
memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64));
|
|
else
|
|
/* fabric is local port if there is no F/FL_Port */
|
|
memcpy(&nodename, &phba->fc_nodename, sizeof(u64));
|
|
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
fc_host_fabric_name(shost) = be64_to_cpu(nodename);
|
|
}
|
|
|
|
|
|
static struct fc_host_statistics *
|
|
lpfc_get_stats(struct Scsi_Host *shost)
|
|
{
|
|
struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
|
|
struct lpfc_sli *psli = &phba->sli;
|
|
struct fc_host_statistics *hs = &phba->link_stats;
|
|
LPFC_MBOXQ_t *pmboxq;
|
|
MAILBOX_t *pmb;
|
|
int rc=0;
|
|
|
|
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
|
|
if (!pmboxq)
|
|
return NULL;
|
|
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
|
|
pmb = &pmboxq->mb;
|
|
pmb->mbxCommand = MBX_READ_STATUS;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
|
|
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
|
|
(!(psli->sli_flag & LPFC_SLI2_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 (pmboxq) {
|
|
if (rc == MBX_TIMEOUT)
|
|
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
|
else
|
|
mempool_free( pmboxq, phba->mbox_mem_pool);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
memset(hs, 0, sizeof (struct fc_host_statistics));
|
|
|
|
hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
|
|
hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
|
|
hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
|
|
hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
|
|
|
|
memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
|
|
pmb->mbxCommand = MBX_READ_LNK_STAT;
|
|
pmb->mbxOwner = OWN_HOST;
|
|
pmboxq->context1 = NULL;
|
|
|
|
if ((phba->fc_flag & FC_OFFLINE_MODE) ||
|
|
(!(psli->sli_flag & LPFC_SLI2_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 (pmboxq) {
|
|
if (rc == MBX_TIMEOUT)
|
|
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
|
|
else
|
|
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;
|
|
|
|
if (phba->fc_topology == TOPOLOGY_LOOP) {
|
|
hs->lip_count = (phba->fc_eventTag >> 1);
|
|
hs->nos_count = -1;
|
|
} else {
|
|
hs->lip_count = -1;
|
|
hs->nos_count = (phba->fc_eventTag >> 1);
|
|
}
|
|
|
|
hs->dumped_frames = -1;
|
|
|
|
/* FIX ME */
|
|
/*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
|
|
|
|
return hs;
|
|
}
|
|
|
|
|
|
/*
|
|
* The LPFC driver treats linkdown handling as target loss events so there
|
|
* are no sysfs handlers for link_down_tmo.
|
|
*/
|
|
static void
|
|
lpfc_get_starget_port_id(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
|
|
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
|
|
uint32_t did = -1;
|
|
struct lpfc_nodelist *ndlp = NULL;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
/* Search the mapped list for this target ID */
|
|
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
|
|
if (starget->id == ndlp->nlp_sid) {
|
|
did = ndlp->nlp_DID;
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
fc_starget_port_id(starget) = did;
|
|
}
|
|
|
|
static void
|
|
lpfc_get_starget_node_name(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
|
|
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
|
|
uint64_t node_name = 0;
|
|
struct lpfc_nodelist *ndlp = NULL;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
/* Search the mapped list for this target ID */
|
|
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
|
|
if (starget->id == ndlp->nlp_sid) {
|
|
memcpy(&node_name, &ndlp->nlp_nodename,
|
|
sizeof(struct lpfc_name));
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
fc_starget_node_name(starget) = be64_to_cpu(node_name);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_starget_port_name(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
|
|
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
|
|
uint64_t port_name = 0;
|
|
struct lpfc_nodelist *ndlp = NULL;
|
|
|
|
spin_lock_irq(shost->host_lock);
|
|
/* Search the mapped list for this target ID */
|
|
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
|
|
if (starget->id == ndlp->nlp_sid) {
|
|
memcpy(&port_name, &ndlp->nlp_portname,
|
|
sizeof(struct lpfc_name));
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_irq(shost->host_lock);
|
|
|
|
fc_starget_port_name(starget) = be64_to_cpu(port_name);
|
|
}
|
|
|
|
static void
|
|
lpfc_get_rport_loss_tmo(struct fc_rport *rport)
|
|
{
|
|
/*
|
|
* Return the driver's global value for device loss timeout plus
|
|
* five seconds to allow the driver's nodev timer to run.
|
|
*/
|
|
rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
|
|
}
|
|
|
|
static void
|
|
lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
|
|
{
|
|
/*
|
|
* The driver doesn't have a per-target timeout setting. Set
|
|
* this value globally. lpfc_nodev_tmo should be greater then 0.
|
|
*/
|
|
if (timeout)
|
|
lpfc_nodev_tmo = timeout;
|
|
else
|
|
lpfc_nodev_tmo = 1;
|
|
rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
|
|
}
|
|
|
|
|
|
#define lpfc_rport_show_function(field, format_string, sz, cast) \
|
|
static ssize_t \
|
|
lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
|
|
{ \
|
|
struct fc_rport *rport = transport_class_to_rport(cdev); \
|
|
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)
|
|
|
|
|
|
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_symbolic_name = 1,
|
|
.show_host_supported_speeds = 1,
|
|
.show_host_maxframe_size = 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,
|
|
|
|
/* the LPFC driver doesn't support resetting stats yet */
|
|
|
|
.dd_fcrport_size = sizeof(struct lpfc_rport_data),
|
|
.show_rport_maxframe_size = 1,
|
|
.show_rport_supported_classes = 1,
|
|
|
|
.get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
|
|
.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,
|
|
};
|
|
|
|
void
|
|
lpfc_get_cfgparam(struct lpfc_hba *phba)
|
|
{
|
|
phba->cfg_log_verbose = lpfc_log_verbose;
|
|
phba->cfg_cr_delay = lpfc_cr_delay;
|
|
phba->cfg_cr_count = lpfc_cr_count;
|
|
phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
|
|
phba->cfg_fcp_class = lpfc_fcp_class;
|
|
phba->cfg_use_adisc = lpfc_use_adisc;
|
|
phba->cfg_ack0 = lpfc_ack0;
|
|
phba->cfg_topology = lpfc_topology;
|
|
phba->cfg_scan_down = lpfc_scan_down;
|
|
phba->cfg_nodev_tmo = lpfc_nodev_tmo;
|
|
phba->cfg_link_speed = lpfc_link_speed;
|
|
phba->cfg_fdmi_on = lpfc_fdmi_on;
|
|
phba->cfg_discovery_threads = lpfc_discovery_threads;
|
|
phba->cfg_max_luns = lpfc_max_luns;
|
|
|
|
/*
|
|
* The total number of segments is the configuration value plus 2
|
|
* since the IOCB need a command and response bde.
|
|
*/
|
|
phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
|
|
|
|
/*
|
|
* Since the sg_tablesize is module parameter, the sg_dma_buf_size
|
|
* used to create the sg_dma_buf_pool must be dynamically calculated
|
|
*/
|
|
phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
|
|
sizeof(struct fcp_rsp) +
|
|
(phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
|
|
|
|
switch (phba->pcidev->device) {
|
|
case PCI_DEVICE_ID_LP101:
|
|
case PCI_DEVICE_ID_BSMB:
|
|
case PCI_DEVICE_ID_ZSMB:
|
|
phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
|
|
break;
|
|
case PCI_DEVICE_ID_RFLY:
|
|
case PCI_DEVICE_ID_PFLY:
|
|
case PCI_DEVICE_ID_BMID:
|
|
case PCI_DEVICE_ID_ZMID:
|
|
case PCI_DEVICE_ID_TFLY:
|
|
phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
|
|
break;
|
|
default:
|
|
phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
|
|
}
|
|
return;
|
|
}
|