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/*******************************************************************
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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) 2007-2011 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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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/blkdev.h>
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#include <linux/delay.h>
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#include <linux/module.h>
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#include <linux/dma-mapping.h>
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#include <linux/idr.h>
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#include <linux/interrupt.h>
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#include <linux/kthread.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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#include <linux/spinlock.h>
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#include <linux/ctype.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_transport_fc.h>
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#include "lpfc_sli4.h"
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#include "lpfc_disc.h"
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#include "lpfc_scsi.h"
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#include "lpfc_logmsg.h"
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#include "lpfc_crtn.h"
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#include "lpfc_vport.h"
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#include "lpfc_version.h"
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#include "lpfc_compat.h"
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#include "lpfc_debugfs.h"
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#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
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* To access this interface the user should:
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* # mount -t debugfs none /sys/kernel/debug
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* The lpfc debugfs directory hierarchy is:
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* /sys/kernel/debug/lpfc/fnX/vportY
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* where X is the lpfc hba function unique_id
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* where Y is the vport VPI on that hba
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* Debugging services available per vport:
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* This is an ACSII readable file that contains a trace of the last
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* lpfc_debugfs_max_disc_trc events that happened on a specific vport.
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* See lpfc_debugfs.h for different categories of discovery events.
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* To enable the discovery trace, the following module parameters must be set:
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* lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
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* lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
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* EACH vport. X MUST also be a power of 2.
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* lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
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* This is an ACSII readable file that contains a trace of the last
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* lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
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* To enable the slow ring trace, the following module parameters must be set:
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* lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
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* lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
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* the HBA. X MUST also be a power of 2.
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static int lpfc_debugfs_enable = 1;
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module_param(lpfc_debugfs_enable, int, S_IRUGO);
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MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
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/* This MUST be a power of 2 */
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static int lpfc_debugfs_max_disc_trc;
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module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO);
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MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
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"Set debugfs discovery trace depth");
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/* This MUST be a power of 2 */
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static int lpfc_debugfs_max_slow_ring_trc;
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module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO);
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MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
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"Set debugfs slow ring trace depth");
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static int lpfc_debugfs_mask_disc_trc;
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module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO);
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MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
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"Set debugfs discovery trace mask");
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#include <linux/debugfs.h>
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static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
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static unsigned long lpfc_debugfs_start_time = 0L;
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static struct lpfc_idiag idiag;
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* lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
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* @vport: The vport to gather the log info from.
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* @buf: The buffer to dump log into.
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* @size: The maximum amount of data to process.
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* This routine gathers the lpfc discovery debugfs data from the @vport and
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* dumps it to @buf up to @size number of bytes. It will start at the next entry
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* in the log and process the log until the end of the buffer. Then it will
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* gather from the beginning of the log and process until the current entry.
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* Discovery logging will be disabled while while this routine dumps the log.
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* This routine returns the amount of bytes that were dumped into @buf and will
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lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
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int i, index, len, enable;
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struct lpfc_debugfs_trc *dtp;
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buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
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enable = lpfc_debugfs_enable;
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lpfc_debugfs_enable = 0;
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index = (atomic_read(&vport->disc_trc_cnt) + 1) &
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(lpfc_debugfs_max_disc_trc - 1);
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for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
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dtp = vport->disc_trc + i;
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ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
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LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
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dtp->seq_cnt, ms, dtp->fmt);
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len += snprintf(buf+len, size-len, buffer,
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dtp->data1, dtp->data2, dtp->data3);
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for (i = 0; i < index; i++) {
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dtp = vport->disc_trc + i;
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ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
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LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
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dtp->seq_cnt, ms, dtp->fmt);
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len += snprintf(buf+len, size-len, buffer,
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dtp->data1, dtp->data2, dtp->data3);
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lpfc_debugfs_enable = enable;
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* lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
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* @phba: The HBA to gather the log info from.
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* @buf: The buffer to dump log into.
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* @size: The maximum amount of data to process.
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* This routine gathers the lpfc slow ring debugfs data from the @phba and
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* dumps it to @buf up to @size number of bytes. It will start at the next entry
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* in the log and process the log until the end of the buffer. Then it will
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* gather from the beginning of the log and process until the current entry.
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* Slow ring logging will be disabled while while this routine dumps the log.
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* This routine returns the amount of bytes that were dumped into @buf and will
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lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
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int i, index, len, enable;
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struct lpfc_debugfs_trc *dtp;
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buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
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enable = lpfc_debugfs_enable;
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lpfc_debugfs_enable = 0;
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index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
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(lpfc_debugfs_max_slow_ring_trc - 1);
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for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
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dtp = phba->slow_ring_trc + i;
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ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
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LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
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dtp->seq_cnt, ms, dtp->fmt);
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len += snprintf(buf+len, size-len, buffer,
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dtp->data1, dtp->data2, dtp->data3);
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for (i = 0; i < index; i++) {
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dtp = phba->slow_ring_trc + i;
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ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
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LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
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dtp->seq_cnt, ms, dtp->fmt);
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len += snprintf(buf+len, size-len, buffer,
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dtp->data1, dtp->data2, dtp->data3);
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lpfc_debugfs_enable = enable;
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static int lpfc_debugfs_last_hbq = -1;
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* lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
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* @phba: The HBA to gather host buffer info from.
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* @buf: The buffer to dump log into.
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* @size: The maximum amount of data to process.
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* This routine dumps the host buffer queue info from the @phba to @buf up to
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* @size number of bytes. A header that describes the current hbq state will be
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* dumped to @buf first and then info on each hbq entry will be dumped to @buf
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* until @size bytes have been dumped or all the hbq info has been dumped.
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* This routine will rotate through each configured HBQ each time called.
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* This routine returns the amount of bytes that were dumped into @buf and will
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lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
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int cnt, i, j, found, posted, low;
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uint32_t phys, raw_index, getidx;
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struct lpfc_hbq_init *hip;
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struct lpfc_hbq_entry *hbqe;
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struct lpfc_dmabuf *d_buf;
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struct hbq_dmabuf *hbq_buf;
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if (phba->sli_rev != 3)
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cnt = LPFC_HBQINFO_SIZE;
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spin_lock_irq(&phba->hbalock);
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/* toggle between multiple hbqs, if any */
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i = lpfc_sli_hbq_count();
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lpfc_debugfs_last_hbq++;
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if (lpfc_debugfs_last_hbq >= i)
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lpfc_debugfs_last_hbq = 0;
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lpfc_debugfs_last_hbq = 0;
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i = lpfc_debugfs_last_hbq;
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len += snprintf(buf+len, size-len, "HBQ %d Info\n", i);
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hbqs = &phba->hbqs[i];
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list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
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hip = lpfc_hbq_defs[i];
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len += snprintf(buf+len, size-len,
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"idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
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hip->hbq_index, hip->profile, hip->rn,
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hip->buffer_count, hip->init_count, hip->add_count, posted);
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raw_index = phba->hbq_get[i];
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getidx = le32_to_cpu(raw_index);
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len += snprintf(buf+len, size-len,
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"entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
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hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
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hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
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hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
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for (j=0; j<hbqs->entry_count; j++) {
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len += snprintf(buf+len, size-len,
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"%03d: %08x %04x %05x ", j,
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le32_to_cpu(hbqe->bde.addrLow),
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le32_to_cpu(hbqe->bde.tus.w),
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le32_to_cpu(hbqe->buffer_tag));
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/* First calculate if slot has an associated posted buffer */
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low = hbqs->hbqPutIdx - posted;
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if ((j >= hbqs->hbqPutIdx) || (j < low)) {
331
len += snprintf(buf+len, size-len, "Unused\n");
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if ((j >= hbqs->hbqPutIdx) &&
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(j < (hbqs->entry_count+low))) {
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len += snprintf(buf+len, size-len, "Unused\n");
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/* Get the Buffer info for the posted buffer */
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list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) {
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hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
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phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff);
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if (phys == le32_to_cpu(hbqe->bde.addrLow)) {
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len += snprintf(buf+len, size-len,
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"Buf%d: %p %06x\n", i,
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hbq_buf->dbuf.virt, hbq_buf->tag);
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len += snprintf(buf+len, size-len, "No DMAinfo?\n");
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if (len > LPFC_HBQINFO_SIZE - 54)
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spin_unlock_irq(&phba->hbalock);
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static int lpfc_debugfs_last_hba_slim_off;
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* lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
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* @phba: The HBA to gather SLIM info from.
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* @buf: The buffer to dump log into.
374
* @size: The maximum amount of data to process.
377
* This routine dumps the current contents of HBA SLIM for the HBA associated
378
* with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
381
* This routine will only dump up to 1024 bytes of data each time called and
382
* should be called multiple times to dump the entire HBA SLIM.
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* This routine returns the amount of bytes that were dumped into @buf and will
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lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
396
buffer = kmalloc(1024, GFP_KERNEL);
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spin_lock_irq(&phba->hbalock);
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len += snprintf(buf+len, size-len, "HBA SLIM\n");
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lpfc_memcpy_from_slim(buffer,
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phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
407
ptr = (uint32_t *)&buffer[0];
408
off = lpfc_debugfs_last_hba_slim_off;
410
/* Set it up for the next time */
411
lpfc_debugfs_last_hba_slim_off += 1024;
412
if (lpfc_debugfs_last_hba_slim_off >= 4096)
413
lpfc_debugfs_last_hba_slim_off = 0;
417
len += snprintf(buf+len, size-len,
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"%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
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off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
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*(ptr+5), *(ptr+6), *(ptr+7));
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i -= (8 * sizeof(uint32_t));
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off += (8 * sizeof(uint32_t));
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spin_unlock_irq(&phba->hbalock);
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* lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
434
* @phba: The HBA to gather Host SLIM info from.
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* @buf: The buffer to dump log into.
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* @size: The maximum amount of data to process.
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* This routine dumps the current contents of host SLIM for the host associated
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* with @phba to @buf up to @size bytes of data. The dump will contain the
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* Mailbox, PCB, Rings, and Registers that are located in host memory.
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* This routine returns the amount of bytes that were dumped into @buf and will
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lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
452
uint32_t word0, word1, word2, word3;
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struct lpfc_pgp *pgpp;
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struct lpfc_sli *psli = &phba->sli;
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struct lpfc_sli_ring *pring;
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spin_lock_irq(&phba->hbalock);
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len += snprintf(buf+len, size-len, "SLIM Mailbox\n");
462
ptr = (uint32_t *)phba->slim2p.virt;
463
i = sizeof(MAILBOX_t);
465
len += snprintf(buf+len, size-len,
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"%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
467
off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
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*(ptr+5), *(ptr+6), *(ptr+7));
470
i -= (8 * sizeof(uint32_t));
471
off += (8 * sizeof(uint32_t));
474
len += snprintf(buf+len, size-len, "SLIM PCB\n");
475
ptr = (uint32_t *)phba->pcb;
478
len += snprintf(buf+len, size-len,
479
"%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
480
off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
481
*(ptr+5), *(ptr+6), *(ptr+7));
483
i -= (8 * sizeof(uint32_t));
484
off += (8 * sizeof(uint32_t));
487
for (i = 0; i < 4; i++) {
488
pgpp = &phba->port_gp[i];
489
pring = &psli->ring[i];
490
len += snprintf(buf+len, size-len,
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"Ring %d: CMD GetInx:%d (Max:%d Next:%d "
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"Local:%d flg:x%x) RSP PutInx:%d Max:%d\n",
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i, pgpp->cmdGetInx, pring->numCiocb,
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pring->next_cmdidx, pring->local_getidx,
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pring->flag, pgpp->rspPutInx, pring->numRiocb);
498
if (phba->sli_rev <= LPFC_SLI_REV3) {
499
word0 = readl(phba->HAregaddr);
500
word1 = readl(phba->CAregaddr);
501
word2 = readl(phba->HSregaddr);
502
word3 = readl(phba->HCregaddr);
503
len += snprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
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"HC:%08x\n", word0, word1, word2, word3);
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spin_unlock_irq(&phba->hbalock);
511
* lpfc_debugfs_nodelist_data - Dump target node list to a buffer
512
* @vport: The vport to gather target node info from.
513
* @buf: The buffer to dump log into.
514
* @size: The maximum amount of data to process.
517
* This routine dumps the current target node list associated with @vport to
518
* @buf up to @size bytes of data. Each node entry in the dump will contain a
519
* node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
522
* This routine returns the amount of bytes that were dumped into @buf and will
526
lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
530
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
531
struct lpfc_nodelist *ndlp;
532
unsigned char *statep, *name;
534
cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
536
spin_lock_irq(shost->host_lock);
537
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
539
len += snprintf(buf+len, size-len,
540
"Missing Nodelist Entries\n");
544
switch (ndlp->nlp_state) {
545
case NLP_STE_UNUSED_NODE:
548
case NLP_STE_PLOGI_ISSUE:
551
case NLP_STE_ADISC_ISSUE:
554
case NLP_STE_REG_LOGIN_ISSUE:
557
case NLP_STE_PRLI_ISSUE:
560
case NLP_STE_UNMAPPED_NODE:
563
case NLP_STE_MAPPED_NODE:
566
case NLP_STE_NPR_NODE:
572
len += snprintf(buf+len, size-len, "%s DID:x%06x ",
573
statep, ndlp->nlp_DID);
574
name = (unsigned char *)&ndlp->nlp_portname;
575
len += snprintf(buf+len, size-len,
576
"WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ",
577
*name, *(name+1), *(name+2), *(name+3),
578
*(name+4), *(name+5), *(name+6), *(name+7));
579
name = (unsigned char *)&ndlp->nlp_nodename;
580
len += snprintf(buf+len, size-len,
581
"WWNN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x ",
582
*name, *(name+1), *(name+2), *(name+3),
583
*(name+4), *(name+5), *(name+6), *(name+7));
584
len += snprintf(buf+len, size-len, "RPI:%03d flag:x%08x ",
585
ndlp->nlp_rpi, ndlp->nlp_flag);
587
len += snprintf(buf+len, size-len, "UNKNOWN_TYPE ");
588
if (ndlp->nlp_type & NLP_FC_NODE)
589
len += snprintf(buf+len, size-len, "FC_NODE ");
590
if (ndlp->nlp_type & NLP_FABRIC)
591
len += snprintf(buf+len, size-len, "FABRIC ");
592
if (ndlp->nlp_type & NLP_FCP_TARGET)
593
len += snprintf(buf+len, size-len, "FCP_TGT sid:%d ",
595
if (ndlp->nlp_type & NLP_FCP_INITIATOR)
596
len += snprintf(buf+len, size-len, "FCP_INITIATOR ");
597
len += snprintf(buf+len, size-len, "usgmap:%x ",
599
len += snprintf(buf+len, size-len, "refcnt:%x",
600
atomic_read(&ndlp->kref.refcount));
601
len += snprintf(buf+len, size-len, "\n");
603
spin_unlock_irq(shost->host_lock);
609
* lpfc_debugfs_disc_trc - Store discovery trace log
610
* @vport: The vport to associate this trace string with for retrieval.
611
* @mask: Log entry classification.
612
* @fmt: Format string to be displayed when dumping the log.
613
* @data1: 1st data parameter to be applied to @fmt.
614
* @data2: 2nd data parameter to be applied to @fmt.
615
* @data3: 3rd data parameter to be applied to @fmt.
618
* This routine is used by the driver code to add a debugfs log entry to the
619
* discovery trace buffer associated with @vport. Only entries with a @mask that
620
* match the current debugfs discovery mask will be saved. Entries that do not
621
* match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
622
* printf when displaying the log.
625
lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
626
uint32_t data1, uint32_t data2, uint32_t data3)
628
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
629
struct lpfc_debugfs_trc *dtp;
632
if (!(lpfc_debugfs_mask_disc_trc & mask))
635
if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
636
!vport || !vport->disc_trc)
639
index = atomic_inc_return(&vport->disc_trc_cnt) &
640
(lpfc_debugfs_max_disc_trc - 1);
641
dtp = vport->disc_trc + index;
646
dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
653
* lpfc_debugfs_slow_ring_trc - Store slow ring trace log
654
* @phba: The phba to associate this trace string with for retrieval.
655
* @fmt: Format string to be displayed when dumping the log.
656
* @data1: 1st data parameter to be applied to @fmt.
657
* @data2: 2nd data parameter to be applied to @fmt.
658
* @data3: 3rd data parameter to be applied to @fmt.
661
* This routine is used by the driver code to add a debugfs log entry to the
662
* discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
663
* @data3 are used like printf when displaying the log.
666
lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
667
uint32_t data1, uint32_t data2, uint32_t data3)
669
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
670
struct lpfc_debugfs_trc *dtp;
673
if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
674
!phba || !phba->slow_ring_trc)
677
index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
678
(lpfc_debugfs_max_slow_ring_trc - 1);
679
dtp = phba->slow_ring_trc + index;
684
dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
690
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
692
* lpfc_debugfs_disc_trc_open - Open the discovery trace log
693
* @inode: The inode pointer that contains a vport pointer.
694
* @file: The file pointer to attach the log output.
697
* This routine is the entry point for the debugfs open file operation. It gets
698
* the vport from the i_private field in @inode, allocates the necessary buffer
699
* for the log, fills the buffer from the in-memory log for this vport, and then
700
* returns a pointer to that log in the private_data field in @file.
703
* This function returns zero if successful. On error it will return an negative
707
lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
709
struct lpfc_vport *vport = inode->i_private;
710
struct lpfc_debug *debug;
714
if (!lpfc_debugfs_max_disc_trc) {
719
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
723
/* Round to page boundary */
724
size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
725
size = PAGE_ALIGN(size);
727
debug->buffer = kmalloc(size, GFP_KERNEL);
728
if (!debug->buffer) {
733
debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
734
file->private_data = debug;
742
* lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
743
* @inode: The inode pointer that contains a vport pointer.
744
* @file: The file pointer to attach the log output.
747
* This routine is the entry point for the debugfs open file operation. It gets
748
* the vport from the i_private field in @inode, allocates the necessary buffer
749
* for the log, fills the buffer from the in-memory log for this vport, and then
750
* returns a pointer to that log in the private_data field in @file.
753
* This function returns zero if successful. On error it will return an negative
757
lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
759
struct lpfc_hba *phba = inode->i_private;
760
struct lpfc_debug *debug;
764
if (!lpfc_debugfs_max_slow_ring_trc) {
769
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
773
/* Round to page boundary */
774
size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
775
size = PAGE_ALIGN(size);
777
debug->buffer = kmalloc(size, GFP_KERNEL);
778
if (!debug->buffer) {
783
debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
784
file->private_data = debug;
792
* lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
793
* @inode: The inode pointer that contains a vport pointer.
794
* @file: The file pointer to attach the log output.
797
* This routine is the entry point for the debugfs open file operation. It gets
798
* the vport from the i_private field in @inode, allocates the necessary buffer
799
* for the log, fills the buffer from the in-memory log for this vport, and then
800
* returns a pointer to that log in the private_data field in @file.
803
* This function returns zero if successful. On error it will return an negative
807
lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
809
struct lpfc_hba *phba = inode->i_private;
810
struct lpfc_debug *debug;
813
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
817
/* Round to page boundary */
818
debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
819
if (!debug->buffer) {
824
debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
826
file->private_data = debug;
834
* lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
835
* @inode: The inode pointer that contains a vport pointer.
836
* @file: The file pointer to attach the log output.
839
* This routine is the entry point for the debugfs open file operation. It gets
840
* the vport from the i_private field in @inode, allocates the necessary buffer
841
* for the log, fills the buffer from the in-memory log for this vport, and then
842
* returns a pointer to that log in the private_data field in @file.
845
* This function returns zero if successful. On error it will return an negative
849
lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
851
struct lpfc_hba *phba = inode->i_private;
852
struct lpfc_debug *debug;
855
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
859
/* Round to page boundary */
860
debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
861
if (!debug->buffer) {
866
debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
867
LPFC_DUMPHBASLIM_SIZE);
868
file->private_data = debug;
876
* lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
877
* @inode: The inode pointer that contains a vport pointer.
878
* @file: The file pointer to attach the log output.
881
* This routine is the entry point for the debugfs open file operation. It gets
882
* the vport from the i_private field in @inode, allocates the necessary buffer
883
* for the log, fills the buffer from the in-memory log for this vport, and then
884
* returns a pointer to that log in the private_data field in @file.
887
* This function returns zero if successful. On error it will return an negative
891
lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
893
struct lpfc_hba *phba = inode->i_private;
894
struct lpfc_debug *debug;
897
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
901
/* Round to page boundary */
902
debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
903
if (!debug->buffer) {
908
debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
909
LPFC_DUMPHOSTSLIM_SIZE);
910
file->private_data = debug;
918
lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file)
920
struct lpfc_debug *debug;
926
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
930
/* Round to page boundary */
931
printk(KERN_ERR "9059 BLKGRD: %s: _dump_buf_data=0x%p\n",
932
__func__, _dump_buf_data);
933
debug->buffer = _dump_buf_data;
934
if (!debug->buffer) {
939
debug->len = (1 << _dump_buf_data_order) << PAGE_SHIFT;
940
file->private_data = debug;
948
lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file)
950
struct lpfc_debug *debug;
956
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
960
/* Round to page boundary */
961
printk(KERN_ERR "9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%s\n",
962
__func__, _dump_buf_dif, file->f_dentry->d_name.name);
963
debug->buffer = _dump_buf_dif;
964
if (!debug->buffer) {
969
debug->len = (1 << _dump_buf_dif_order) << PAGE_SHIFT;
970
file->private_data = debug;
978
lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
979
size_t nbytes, loff_t *ppos)
982
* The Data/DIF buffers only save one failing IO
983
* The write op is used as a reset mechanism after an IO has
984
* already been saved to the next one can be saved
986
spin_lock(&_dump_buf_lock);
988
memset((void *)_dump_buf_data, 0,
989
((1 << PAGE_SHIFT) << _dump_buf_data_order));
990
memset((void *)_dump_buf_dif, 0,
991
((1 << PAGE_SHIFT) << _dump_buf_dif_order));
995
spin_unlock(&_dump_buf_lock);
1001
lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file)
1003
file->private_data = inode->i_private;
1008
lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
1009
size_t nbytes, loff_t *ppos)
1011
struct dentry *dent = file->f_dentry;
1012
struct lpfc_hba *phba = file->private_data;
1016
if (dent == phba->debug_writeGuard)
1017
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wgrd_cnt);
1018
else if (dent == phba->debug_writeApp)
1019
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt);
1020
else if (dent == phba->debug_writeRef)
1021
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt);
1022
else if (dent == phba->debug_readApp)
1023
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt);
1024
else if (dent == phba->debug_readRef)
1025
cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rref_cnt);
1026
else if (dent == phba->debug_InjErrLBA)
1027
cnt = snprintf(cbuf, 16, "0x%lx\n",
1028
(unsigned long) phba->lpfc_injerr_lba);
1030
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1031
"0547 Unknown debugfs error injection entry\n");
1033
return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
1037
lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
1038
size_t nbytes, loff_t *ppos)
1040
struct dentry *dent = file->f_dentry;
1041
struct lpfc_hba *phba = file->private_data;
1046
memset(dstbuf, 0, 32);
1047
size = (nbytes < 32) ? nbytes : 32;
1048
if (copy_from_user(dstbuf, buf, size))
1051
if (strict_strtoul(dstbuf, 0, &tmp))
1054
if (dent == phba->debug_writeGuard)
1055
phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
1056
else if (dent == phba->debug_writeApp)
1057
phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
1058
else if (dent == phba->debug_writeRef)
1059
phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
1060
else if (dent == phba->debug_readApp)
1061
phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
1062
else if (dent == phba->debug_readRef)
1063
phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
1064
else if (dent == phba->debug_InjErrLBA)
1065
phba->lpfc_injerr_lba = (sector_t)tmp;
1067
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1068
"0548 Unknown debugfs error injection entry\n");
1074
lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
1080
* lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
1081
* @inode: The inode pointer that contains a vport pointer.
1082
* @file: The file pointer to attach the log output.
1085
* This routine is the entry point for the debugfs open file operation. It gets
1086
* the vport from the i_private field in @inode, allocates the necessary buffer
1087
* for the log, fills the buffer from the in-memory log for this vport, and then
1088
* returns a pointer to that log in the private_data field in @file.
1091
* This function returns zero if successful. On error it will return an negative
1095
lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
1097
struct lpfc_vport *vport = inode->i_private;
1098
struct lpfc_debug *debug;
1101
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1105
/* Round to page boundary */
1106
debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
1107
if (!debug->buffer) {
1112
debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
1113
LPFC_NODELIST_SIZE);
1114
file->private_data = debug;
1122
* lpfc_debugfs_lseek - Seek through a debugfs file
1123
* @file: The file pointer to seek through.
1124
* @off: The offset to seek to or the amount to seek by.
1125
* @whence: Indicates how to seek.
1128
* This routine is the entry point for the debugfs lseek file operation. The
1129
* @whence parameter indicates whether @off is the offset to directly seek to,
1130
* or if it is a value to seek forward or reverse by. This function figures out
1131
* what the new offset of the debugfs file will be and assigns that value to the
1132
* f_pos field of @file.
1135
* This function returns the new offset if successful and returns a negative
1136
* error if unable to process the seek.
1139
lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
1141
struct lpfc_debug *debug;
1144
debug = file->private_data;
1151
pos = file->f_pos + off;
1154
pos = debug->len - off;
1156
return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos);
1160
* lpfc_debugfs_read - Read a debugfs file
1161
* @file: The file pointer to read from.
1162
* @buf: The buffer to copy the data to.
1163
* @nbytes: The number of bytes to read.
1164
* @ppos: The position in the file to start reading from.
1167
* This routine reads data from from the buffer indicated in the private_data
1168
* field of @file. It will start reading at @ppos and copy up to @nbytes of
1172
* This function returns the amount of data that was read (this could be less
1173
* than @nbytes if the end of the file was reached) or a negative error value.
1176
lpfc_debugfs_read(struct file *file, char __user *buf,
1177
size_t nbytes, loff_t *ppos)
1179
struct lpfc_debug *debug = file->private_data;
1181
return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
1186
* lpfc_debugfs_release - Release the buffer used to store debugfs file data
1187
* @inode: The inode pointer that contains a vport pointer. (unused)
1188
* @file: The file pointer that contains the buffer to release.
1191
* This routine frees the buffer that was allocated when the debugfs file was
1195
* This function returns zero.
1198
lpfc_debugfs_release(struct inode *inode, struct file *file)
1200
struct lpfc_debug *debug = file->private_data;
1202
kfree(debug->buffer);
1209
lpfc_debugfs_dumpDataDif_release(struct inode *inode, struct file *file)
1211
struct lpfc_debug *debug = file->private_data;
1213
debug->buffer = NULL;
1220
* ---------------------------------
1221
* iDiag debugfs file access methods
1222
* ---------------------------------
1224
* All access methods are through the proper SLI4 PCI function's debugfs
1227
* /sys/kernel/debug/lpfc/fn<#>/iDiag
1231
* lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
1232
* @buf: The pointer to the user space buffer.
1233
* @nbytes: The number of bytes in the user space buffer.
1234
* @idiag_cmd: pointer to the idiag command struct.
1236
* This routine reads data from debugfs user space buffer and parses the
1237
* buffer for getting the idiag command and arguments. The while space in
1238
* between the set of data is used as the parsing separator.
1240
* This routine returns 0 when successful, it returns proper error code
1241
* back to the user space in error conditions.
1243
static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes,
1244
struct lpfc_idiag_cmd *idiag_cmd)
1247
char *pbuf, *step_str;
1251
/* Protect copy from user */
1252
if (!access_ok(VERIFY_READ, buf, nbytes))
1255
memset(mybuf, 0, sizeof(mybuf));
1256
memset(idiag_cmd, 0, sizeof(*idiag_cmd));
1257
bsize = min(nbytes, (sizeof(mybuf)-1));
1259
if (copy_from_user(mybuf, buf, bsize))
1262
step_str = strsep(&pbuf, "\t ");
1264
/* The opcode must present */
1268
idiag_cmd->opcode = simple_strtol(step_str, NULL, 0);
1269
if (idiag_cmd->opcode == 0)
1272
for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) {
1273
step_str = strsep(&pbuf, "\t ");
1276
idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0);
1282
* lpfc_idiag_open - idiag open debugfs
1283
* @inode: The inode pointer that contains a pointer to phba.
1284
* @file: The file pointer to attach the file operation.
1287
* This routine is the entry point for the debugfs open file operation. It
1288
* gets the reference to phba from the i_private field in @inode, it then
1289
* allocates buffer for the file operation, performs the necessary PCI config
1290
* space read into the allocated buffer according to the idiag user command
1291
* setup, and then returns a pointer to buffer in the private_data field in
1295
* This function returns zero if successful. On error it will return an
1296
* negative error value.
1299
lpfc_idiag_open(struct inode *inode, struct file *file)
1301
struct lpfc_debug *debug;
1303
debug = kmalloc(sizeof(*debug), GFP_KERNEL);
1307
debug->i_private = inode->i_private;
1308
debug->buffer = NULL;
1309
file->private_data = debug;
1315
* lpfc_idiag_release - Release idiag access file operation
1316
* @inode: The inode pointer that contains a vport pointer. (unused)
1317
* @file: The file pointer that contains the buffer to release.
1320
* This routine is the generic release routine for the idiag access file
1321
* operation, it frees the buffer that was allocated when the debugfs file
1325
* This function returns zero.
1328
lpfc_idiag_release(struct inode *inode, struct file *file)
1330
struct lpfc_debug *debug = file->private_data;
1332
/* Free the buffers to the file operation */
1333
kfree(debug->buffer);
1340
* lpfc_idiag_cmd_release - Release idiag cmd access file operation
1341
* @inode: The inode pointer that contains a vport pointer. (unused)
1342
* @file: The file pointer that contains the buffer to release.
1345
* This routine frees the buffer that was allocated when the debugfs file
1346
* was opened. It also reset the fields in the idiag command struct in the
1347
* case of command for write operation.
1350
* This function returns zero.
1353
lpfc_idiag_cmd_release(struct inode *inode, struct file *file)
1355
struct lpfc_debug *debug = file->private_data;
1357
if (debug->op == LPFC_IDIAG_OP_WR) {
1358
switch (idiag.cmd.opcode) {
1359
case LPFC_IDIAG_CMD_PCICFG_WR:
1360
case LPFC_IDIAG_CMD_PCICFG_ST:
1361
case LPFC_IDIAG_CMD_PCICFG_CL:
1362
case LPFC_IDIAG_CMD_QUEACC_WR:
1363
case LPFC_IDIAG_CMD_QUEACC_ST:
1364
case LPFC_IDIAG_CMD_QUEACC_CL:
1365
memset(&idiag, 0, sizeof(idiag));
1372
/* Free the buffers to the file operation */
1373
kfree(debug->buffer);
1380
* lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
1381
* @file: The file pointer to read from.
1382
* @buf: The buffer to copy the data to.
1383
* @nbytes: The number of bytes to read.
1384
* @ppos: The position in the file to start reading from.
1387
* This routine reads data from the @phba pci config space according to the
1388
* idiag command, and copies to user @buf. Depending on the PCI config space
1389
* read command setup, it does either a single register read of a byte
1390
* (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
1391
* registers from the 4K extended PCI config space.
1394
* This function returns the amount of data that was read (this could be less
1395
* than @nbytes if the end of the file was reached) or a negative error value.
1398
lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes,
1401
struct lpfc_debug *debug = file->private_data;
1402
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
1403
int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE;
1406
struct pci_dev *pdev;
1411
pdev = phba->pcidev;
1415
/* This is a user read operation */
1416
debug->op = LPFC_IDIAG_OP_RD;
1419
debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL);
1422
pbuffer = debug->buffer;
1427
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
1428
where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
1429
count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
1433
/* Read single PCI config space register */
1435
case SIZE_U8: /* byte (8 bits) */
1436
pci_read_config_byte(pdev, where, &u8val);
1437
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1438
"%03x: %02x\n", where, u8val);
1440
case SIZE_U16: /* word (16 bits) */
1441
pci_read_config_word(pdev, where, &u16val);
1442
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1443
"%03x: %04x\n", where, u16val);
1445
case SIZE_U32: /* double word (32 bits) */
1446
pci_read_config_dword(pdev, where, &u32val);
1447
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1448
"%03x: %08x\n", where, u32val);
1450
case LPFC_PCI_CFG_BROWSE: /* browse all */
1458
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
1462
/* Browse all PCI config space registers */
1463
offset_label = idiag.offset.last_rd;
1464
offset = offset_label;
1466
/* Read PCI config space */
1467
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1468
"%03x: ", offset_label);
1470
pci_read_config_dword(pdev, offset, &u32val);
1471
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1473
offset += sizeof(uint32_t);
1474
if (offset >= LPFC_PCI_CFG_SIZE) {
1475
len += snprintf(pbuffer+len,
1476
LPFC_PCI_CFG_SIZE-len, "\n");
1479
index -= sizeof(uint32_t);
1481
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1483
else if (!(index % (8 * sizeof(uint32_t)))) {
1484
offset_label += (8 * sizeof(uint32_t));
1485
len += snprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
1486
"\n%03x: ", offset_label);
1490
/* Set up the offset for next portion of pci cfg read */
1492
idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE;
1493
if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE)
1494
idiag.offset.last_rd = 0;
1496
idiag.offset.last_rd = 0;
1498
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
1502
* lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
1503
* @file: The file pointer to read from.
1504
* @buf: The buffer to copy the user data from.
1505
* @nbytes: The number of bytes to get.
1506
* @ppos: The position in the file to start reading from.
1508
* This routine get the debugfs idiag command struct from user space and
1509
* then perform the syntax check for PCI config space read or write command
1510
* accordingly. In the case of PCI config space read command, it sets up
1511
* the command in the idiag command struct for the debugfs read operation.
1512
* In the case of PCI config space write operation, it executes the write
1513
* operation into the PCI config space accordingly.
1515
* It returns the @nbytges passing in from debugfs user space when successful.
1516
* In case of error conditions, it returns proper error code back to the user
1520
lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf,
1521
size_t nbytes, loff_t *ppos)
1523
struct lpfc_debug *debug = file->private_data;
1524
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
1525
uint32_t where, value, count;
1529
struct pci_dev *pdev;
1532
pdev = phba->pcidev;
1536
/* This is a user write operation */
1537
debug->op = LPFC_IDIAG_OP_WR;
1539
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
1543
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
1544
/* Sanity check on PCI config read command line arguments */
1545
if (rc != LPFC_PCI_CFG_RD_CMD_ARG)
1547
/* Read command from PCI config space, set up command fields */
1548
where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
1549
count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
1550
if (count == LPFC_PCI_CFG_BROWSE) {
1551
if (where % sizeof(uint32_t))
1553
/* Starting offset to browse */
1554
idiag.offset.last_rd = where;
1555
} else if ((count != sizeof(uint8_t)) &&
1556
(count != sizeof(uint16_t)) &&
1557
(count != sizeof(uint32_t)))
1559
if (count == sizeof(uint8_t)) {
1560
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
1562
if (where % sizeof(uint8_t))
1565
if (count == sizeof(uint16_t)) {
1566
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
1568
if (where % sizeof(uint16_t))
1571
if (count == sizeof(uint32_t)) {
1572
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
1574
if (where % sizeof(uint32_t))
1577
} else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR ||
1578
idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST ||
1579
idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
1580
/* Sanity check on PCI config write command line arguments */
1581
if (rc != LPFC_PCI_CFG_WR_CMD_ARG)
1583
/* Write command to PCI config space, read-modify-write */
1584
where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
1585
count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
1586
value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX];
1588
if ((count != sizeof(uint8_t)) &&
1589
(count != sizeof(uint16_t)) &&
1590
(count != sizeof(uint32_t)))
1592
if (count == sizeof(uint8_t)) {
1593
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
1595
if (where % sizeof(uint8_t))
1597
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
1598
pci_write_config_byte(pdev, where,
1600
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
1601
rc = pci_read_config_byte(pdev, where, &u8val);
1603
u8val |= (uint8_t)value;
1604
pci_write_config_byte(pdev, where,
1608
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
1609
rc = pci_read_config_byte(pdev, where, &u8val);
1611
u8val &= (uint8_t)(~value);
1612
pci_write_config_byte(pdev, where,
1617
if (count == sizeof(uint16_t)) {
1618
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
1620
if (where % sizeof(uint16_t))
1622
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
1623
pci_write_config_word(pdev, where,
1625
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
1626
rc = pci_read_config_word(pdev, where, &u16val);
1628
u16val |= (uint16_t)value;
1629
pci_write_config_word(pdev, where,
1633
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
1634
rc = pci_read_config_word(pdev, where, &u16val);
1636
u16val &= (uint16_t)(~value);
1637
pci_write_config_word(pdev, where,
1642
if (count == sizeof(uint32_t)) {
1643
if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
1645
if (where % sizeof(uint32_t))
1647
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
1648
pci_write_config_dword(pdev, where, value);
1649
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
1650
rc = pci_read_config_dword(pdev, where,
1654
pci_write_config_dword(pdev, where,
1658
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
1659
rc = pci_read_config_dword(pdev, where,
1663
pci_write_config_dword(pdev, where,
1669
/* All other opecodes are illegal for now */
1674
memset(&idiag, 0, sizeof(idiag));
1679
* lpfc_idiag_baracc_read - idiag debugfs pci bar access read
1680
* @file: The file pointer to read from.
1681
* @buf: The buffer to copy the data to.
1682
* @nbytes: The number of bytes to read.
1683
* @ppos: The position in the file to start reading from.
1686
* This routine reads data from the @phba pci bar memory mapped space
1687
* according to the idiag command, and copies to user @buf.
1690
* This function returns the amount of data that was read (this could be less
1691
* than @nbytes if the end of the file was reached) or a negative error value.
1694
lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes,
1697
struct lpfc_debug *debug = file->private_data;
1698
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
1699
int offset_label, offset, offset_run, len = 0, index;
1700
int bar_num, acc_range, bar_size;
1702
void __iomem *mem_mapped_bar;
1704
struct pci_dev *pdev;
1707
pdev = phba->pcidev;
1711
/* This is a user read operation */
1712
debug->op = LPFC_IDIAG_OP_RD;
1715
debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL);
1718
pbuffer = debug->buffer;
1723
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
1724
bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
1725
offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
1726
acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
1727
bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
1734
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1735
if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
1736
if (bar_num == IDIAG_BARACC_BAR_0)
1737
mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
1738
else if (bar_num == IDIAG_BARACC_BAR_1)
1739
mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
1740
else if (bar_num == IDIAG_BARACC_BAR_2)
1741
mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
1744
} else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
1745
if (bar_num == IDIAG_BARACC_BAR_0)
1746
mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
1752
/* Read single PCI bar space register */
1753
if (acc_range == SINGLE_WORD) {
1754
offset_run = offset;
1755
u32val = readl(mem_mapped_bar + offset_run);
1756
len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
1757
"%05x: %08x\n", offset_run, u32val);
1761
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
1765
/* Browse all PCI bar space registers */
1766
offset_label = idiag.offset.last_rd;
1767
offset_run = offset_label;
1769
/* Read PCI bar memory mapped space */
1770
len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
1771
"%05x: ", offset_label);
1772
index = LPFC_PCI_BAR_RD_SIZE;
1774
u32val = readl(mem_mapped_bar + offset_run);
1775
len += snprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
1777
offset_run += sizeof(uint32_t);
1778
if (acc_range == LPFC_PCI_BAR_BROWSE) {
1779
if (offset_run >= bar_size) {
1780
len += snprintf(pbuffer+len,
1781
LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
1785
if (offset_run >= offset +
1786
(acc_range * sizeof(uint32_t))) {
1787
len += snprintf(pbuffer+len,
1788
LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
1792
index -= sizeof(uint32_t);
1794
len += snprintf(pbuffer+len,
1795
LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
1796
else if (!(index % (8 * sizeof(uint32_t)))) {
1797
offset_label += (8 * sizeof(uint32_t));
1798
len += snprintf(pbuffer+len,
1799
LPFC_PCI_BAR_RD_BUF_SIZE-len,
1800
"\n%05x: ", offset_label);
1804
/* Set up the offset for next portion of pci bar read */
1806
idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE;
1807
if (acc_range == LPFC_PCI_BAR_BROWSE) {
1808
if (idiag.offset.last_rd >= bar_size)
1809
idiag.offset.last_rd = 0;
1811
if (offset_run >= offset +
1812
(acc_range * sizeof(uint32_t)))
1813
idiag.offset.last_rd = offset;
1816
if (acc_range == LPFC_PCI_BAR_BROWSE)
1817
idiag.offset.last_rd = 0;
1819
idiag.offset.last_rd = offset;
1822
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
1826
* lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
1827
* @file: The file pointer to read from.
1828
* @buf: The buffer to copy the user data from.
1829
* @nbytes: The number of bytes to get.
1830
* @ppos: The position in the file to start reading from.
1832
* This routine get the debugfs idiag command struct from user space and
1833
* then perform the syntax check for PCI bar memory mapped space read or
1834
* write command accordingly. In the case of PCI bar memory mapped space
1835
* read command, it sets up the command in the idiag command struct for
1836
* the debugfs read operation. In the case of PCI bar memorpy mapped space
1837
* write operation, it executes the write operation into the PCI bar memory
1838
* mapped space accordingly.
1840
* It returns the @nbytges passing in from debugfs user space when successful.
1841
* In case of error conditions, it returns proper error code back to the user
1845
lpfc_idiag_baracc_write(struct file *file, const char __user *buf,
1846
size_t nbytes, loff_t *ppos)
1848
struct lpfc_debug *debug = file->private_data;
1849
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
1850
uint32_t bar_num, bar_size, offset, value, acc_range;
1851
struct pci_dev *pdev;
1852
void __iomem *mem_mapped_bar;
1857
pdev = phba->pcidev;
1861
/* This is a user write operation */
1862
debug->op = LPFC_IDIAG_OP_WR;
1864
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
1868
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1869
bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
1871
if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
1872
if ((bar_num != IDIAG_BARACC_BAR_0) &&
1873
(bar_num != IDIAG_BARACC_BAR_1) &&
1874
(bar_num != IDIAG_BARACC_BAR_2))
1876
} else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
1877
if (bar_num != IDIAG_BARACC_BAR_0)
1882
if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
1883
if (bar_num == IDIAG_BARACC_BAR_0) {
1884
idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
1885
LPFC_PCI_IF0_BAR0_SIZE;
1886
mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
1887
} else if (bar_num == IDIAG_BARACC_BAR_1) {
1888
idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
1889
LPFC_PCI_IF0_BAR1_SIZE;
1890
mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
1891
} else if (bar_num == IDIAG_BARACC_BAR_2) {
1892
idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
1893
LPFC_PCI_IF0_BAR2_SIZE;
1894
mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
1897
} else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
1898
if (bar_num == IDIAG_BARACC_BAR_0) {
1899
idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
1900
LPFC_PCI_IF2_BAR0_SIZE;
1901
mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
1907
offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
1908
if (offset % sizeof(uint32_t))
1911
bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
1912
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
1913
/* Sanity check on PCI config read command line arguments */
1914
if (rc != LPFC_PCI_BAR_RD_CMD_ARG)
1916
acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
1917
if (acc_range == LPFC_PCI_BAR_BROWSE) {
1918
if (offset > bar_size - sizeof(uint32_t))
1920
/* Starting offset to browse */
1921
idiag.offset.last_rd = offset;
1922
} else if (acc_range > SINGLE_WORD) {
1923
if (offset + acc_range * sizeof(uint32_t) > bar_size)
1925
/* Starting offset to browse */
1926
idiag.offset.last_rd = offset;
1927
} else if (acc_range != SINGLE_WORD)
1929
} else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR ||
1930
idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST ||
1931
idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
1932
/* Sanity check on PCI bar write command line arguments */
1933
if (rc != LPFC_PCI_BAR_WR_CMD_ARG)
1935
/* Write command to PCI bar space, read-modify-write */
1936
acc_range = SINGLE_WORD;
1937
value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX];
1938
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) {
1939
writel(value, mem_mapped_bar + offset);
1940
readl(mem_mapped_bar + offset);
1942
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) {
1943
u32val = readl(mem_mapped_bar + offset);
1945
writel(u32val, mem_mapped_bar + offset);
1946
readl(mem_mapped_bar + offset);
1948
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
1949
u32val = readl(mem_mapped_bar + offset);
1951
writel(u32val, mem_mapped_bar + offset);
1952
readl(mem_mapped_bar + offset);
1955
/* All other opecodes are illegal for now */
1960
memset(&idiag, 0, sizeof(idiag));
1965
* lpfc_idiag_queinfo_read - idiag debugfs read queue information
1966
* @file: The file pointer to read from.
1967
* @buf: The buffer to copy the data to.
1968
* @nbytes: The number of bytes to read.
1969
* @ppos: The position in the file to start reading from.
1972
* This routine reads data from the @phba SLI4 PCI function queue information,
1973
* and copies to user @buf.
1976
* This function returns the amount of data that was read (this could be less
1977
* than @nbytes if the end of the file was reached) or a negative error value.
1980
lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
1983
struct lpfc_debug *debug = file->private_data;
1984
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
1985
int len = 0, fcp_qidx;
1989
debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL);
1992
pbuffer = debug->buffer;
1997
/* Get slow-path event queue information */
1998
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
1999
"Slow-path EQ information:\n");
2000
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2002
"QE-COUNT[%04d], QE-SIZE[%04d], "
2003
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
2004
phba->sli4_hba.sp_eq->queue_id,
2005
phba->sli4_hba.sp_eq->entry_count,
2006
phba->sli4_hba.sp_eq->entry_size,
2007
phba->sli4_hba.sp_eq->host_index,
2008
phba->sli4_hba.sp_eq->hba_index);
2010
/* Get fast-path event queue information */
2011
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2012
"Fast-path EQ information:\n");
2013
for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) {
2014
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2016
"QE-COUNT[%04d], QE-SIZE[%04d], "
2017
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
2018
phba->sli4_hba.fp_eq[fcp_qidx]->queue_id,
2019
phba->sli4_hba.fp_eq[fcp_qidx]->entry_count,
2020
phba->sli4_hba.fp_eq[fcp_qidx]->entry_size,
2021
phba->sli4_hba.fp_eq[fcp_qidx]->host_index,
2022
phba->sli4_hba.fp_eq[fcp_qidx]->hba_index);
2024
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n");
2026
/* Get mailbox complete queue information */
2027
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2028
"Slow-path MBX CQ information:\n");
2029
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2030
"Associated EQID[%02d]:\n",
2031
phba->sli4_hba.mbx_cq->assoc_qid);
2032
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2034
"QE-COUNT[%04d], QE-SIZE[%04d], "
2035
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
2036
phba->sli4_hba.mbx_cq->queue_id,
2037
phba->sli4_hba.mbx_cq->entry_count,
2038
phba->sli4_hba.mbx_cq->entry_size,
2039
phba->sli4_hba.mbx_cq->host_index,
2040
phba->sli4_hba.mbx_cq->hba_index);
2042
/* Get slow-path complete queue information */
2043
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2044
"Slow-path ELS CQ information:\n");
2045
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2046
"Associated EQID[%02d]:\n",
2047
phba->sli4_hba.els_cq->assoc_qid);
2048
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2050
"QE-COUNT[%04d], QE-SIZE[%04d], "
2051
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
2052
phba->sli4_hba.els_cq->queue_id,
2053
phba->sli4_hba.els_cq->entry_count,
2054
phba->sli4_hba.els_cq->entry_size,
2055
phba->sli4_hba.els_cq->host_index,
2056
phba->sli4_hba.els_cq->hba_index);
2058
/* Get fast-path complete queue information */
2059
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2060
"Fast-path FCP CQ information:\n");
2063
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2064
"Associated EQID[%02d]:\n",
2065
phba->sli4_hba.fcp_cq[fcp_qidx]->assoc_qid);
2066
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2068
"QE-COUNT[%04d], QE-SIZE[%04d], "
2069
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
2070
phba->sli4_hba.fcp_cq[fcp_qidx]->queue_id,
2071
phba->sli4_hba.fcp_cq[fcp_qidx]->entry_count,
2072
phba->sli4_hba.fcp_cq[fcp_qidx]->entry_size,
2073
phba->sli4_hba.fcp_cq[fcp_qidx]->host_index,
2074
phba->sli4_hba.fcp_cq[fcp_qidx]->hba_index);
2075
} while (++fcp_qidx < phba->cfg_fcp_eq_count);
2076
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n");
2078
/* Get mailbox queue information */
2079
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2080
"Slow-path MBX MQ information:\n");
2081
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2082
"Associated CQID[%02d]:\n",
2083
phba->sli4_hba.mbx_wq->assoc_qid);
2084
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2086
"QE-COUNT[%04d], QE-SIZE[%04d], "
2087
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
2088
phba->sli4_hba.mbx_wq->queue_id,
2089
phba->sli4_hba.mbx_wq->entry_count,
2090
phba->sli4_hba.mbx_wq->entry_size,
2091
phba->sli4_hba.mbx_wq->host_index,
2092
phba->sli4_hba.mbx_wq->hba_index);
2094
/* Get slow-path work queue information */
2095
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2096
"Slow-path ELS WQ information:\n");
2097
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2098
"Associated CQID[%02d]:\n",
2099
phba->sli4_hba.els_wq->assoc_qid);
2100
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2102
"QE-COUNT[%04d], QE-SIZE[%04d], "
2103
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n\n",
2104
phba->sli4_hba.els_wq->queue_id,
2105
phba->sli4_hba.els_wq->entry_count,
2106
phba->sli4_hba.els_wq->entry_size,
2107
phba->sli4_hba.els_wq->host_index,
2108
phba->sli4_hba.els_wq->hba_index);
2110
/* Get fast-path work queue information */
2111
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2112
"Fast-path FCP WQ information:\n");
2113
for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) {
2114
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2115
"Associated CQID[%02d]:\n",
2116
phba->sli4_hba.fcp_wq[fcp_qidx]->assoc_qid);
2117
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2119
"QE-COUNT[%04d], WQE-SIZE[%04d], "
2120
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
2121
phba->sli4_hba.fcp_wq[fcp_qidx]->queue_id,
2122
phba->sli4_hba.fcp_wq[fcp_qidx]->entry_count,
2123
phba->sli4_hba.fcp_wq[fcp_qidx]->entry_size,
2124
phba->sli4_hba.fcp_wq[fcp_qidx]->host_index,
2125
phba->sli4_hba.fcp_wq[fcp_qidx]->hba_index);
2127
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len, "\n");
2129
/* Get receive queue information */
2130
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2131
"Slow-path RQ information:\n");
2132
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2133
"Associated CQID[%02d]:\n",
2134
phba->sli4_hba.hdr_rq->assoc_qid);
2135
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2137
"QE-COUNT[%04d], QE-SIZE[%04d], "
2138
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
2139
phba->sli4_hba.hdr_rq->queue_id,
2140
phba->sli4_hba.hdr_rq->entry_count,
2141
phba->sli4_hba.hdr_rq->entry_size,
2142
phba->sli4_hba.hdr_rq->host_index,
2143
phba->sli4_hba.hdr_rq->hba_index);
2144
len += snprintf(pbuffer+len, LPFC_QUE_INFO_GET_BUF_SIZE-len,
2146
"QE-COUNT[%04d], QE-SIZE[%04d], "
2147
"HOST-INDEX[%04d], PORT-INDEX[%04d]\n",
2148
phba->sli4_hba.dat_rq->queue_id,
2149
phba->sli4_hba.dat_rq->entry_count,
2150
phba->sli4_hba.dat_rq->entry_size,
2151
phba->sli4_hba.dat_rq->host_index,
2152
phba->sli4_hba.dat_rq->hba_index);
2154
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2158
* lpfc_idiag_que_param_check - queue access command parameter sanity check
2159
* @q: The pointer to queue structure.
2160
* @index: The index into a queue entry.
2161
* @count: The number of queue entries to access.
2164
* The routine performs sanity check on device queue access method commands.
2167
* This function returns -EINVAL when fails the sanity check, otherwise, it
2171
lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count)
2173
/* Only support single entry read or browsing */
2174
if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE))
2176
if (index > q->entry_count - 1)
2182
* lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
2183
* @pbuffer: The pointer to buffer to copy the read data into.
2184
* @pque: The pointer to the queue to be read.
2185
* @index: The index into the queue entry.
2188
* This routine reads out a single entry from the given queue's index location
2189
* and copies it into the buffer provided.
2192
* This function returns 0 when it fails, otherwise, it returns the length of
2193
* the data read into the buffer provided.
2196
lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque,
2202
if (!pbuffer || !pque)
2205
esize = pque->entry_size;
2206
len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
2207
"QE-INDEX[%04d]:\n", index);
2210
pentry = pque->qe[index].address;
2212
len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
2215
offset += sizeof(uint32_t);
2216
esize -= sizeof(uint32_t);
2217
if (esize > 0 && !(offset % (4 * sizeof(uint32_t))))
2218
len += snprintf(pbuffer+len,
2219
LPFC_QUE_ACC_BUF_SIZE-len, "\n");
2221
len += snprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n");
2227
* lpfc_idiag_queacc_read - idiag debugfs read port queue
2228
* @file: The file pointer to read from.
2229
* @buf: The buffer to copy the data to.
2230
* @nbytes: The number of bytes to read.
2231
* @ppos: The position in the file to start reading from.
2234
* This routine reads data from the @phba device queue memory according to the
2235
* idiag command, and copies to user @buf. Depending on the queue dump read
2236
* command setup, it does either a single queue entry read or browing through
2237
* all entries of the queue.
2240
* This function returns the amount of data that was read (this could be less
2241
* than @nbytes if the end of the file was reached) or a negative error value.
2244
lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes,
2247
struct lpfc_debug *debug = file->private_data;
2248
uint32_t last_index, index, count;
2249
struct lpfc_queue *pque = NULL;
2253
/* This is a user read operation */
2254
debug->op = LPFC_IDIAG_OP_RD;
2257
debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL);
2260
pbuffer = debug->buffer;
2265
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
2266
index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
2267
count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
2268
pque = (struct lpfc_queue *)idiag.ptr_private;
2272
/* Browse the queue starting from index */
2273
if (count == LPFC_QUE_ACC_BROWSE)
2276
/* Read a single entry from the queue */
2277
len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
2279
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2283
/* Browse all entries from the queue */
2284
last_index = idiag.offset.last_rd;
2287
while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) {
2288
len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
2290
if (index > pque->entry_count - 1)
2294
/* Set up the offset for next portion of pci cfg read */
2295
if (index > pque->entry_count - 1)
2297
idiag.offset.last_rd = index;
2299
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2303
* lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
2304
* @file: The file pointer to read from.
2305
* @buf: The buffer to copy the user data from.
2306
* @nbytes: The number of bytes to get.
2307
* @ppos: The position in the file to start reading from.
2309
* This routine get the debugfs idiag command struct from user space and then
2310
* perform the syntax check for port queue read (dump) or write (set) command
2311
* accordingly. In the case of port queue read command, it sets up the command
2312
* in the idiag command struct for the following debugfs read operation. In
2313
* the case of port queue write operation, it executes the write operation
2314
* into the port queue entry accordingly.
2316
* It returns the @nbytges passing in from debugfs user space when successful.
2317
* In case of error conditions, it returns proper error code back to the user
2321
lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
2322
size_t nbytes, loff_t *ppos)
2324
struct lpfc_debug *debug = file->private_data;
2325
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2326
uint32_t qidx, quetp, queid, index, count, offset, value;
2328
struct lpfc_queue *pque;
2331
/* This is a user write operation */
2332
debug->op = LPFC_IDIAG_OP_WR;
2334
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
2338
/* Get and sanity check on command feilds */
2339
quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX];
2340
queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX];
2341
index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
2342
count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
2343
offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX];
2344
value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX];
2346
/* Sanity check on command line arguments */
2347
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
2348
idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
2349
idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
2350
if (rc != LPFC_QUE_ACC_WR_CMD_ARG)
2354
} else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
2355
if (rc != LPFC_QUE_ACC_RD_CMD_ARG)
2362
/* Slow-path event queue */
2363
if (phba->sli4_hba.sp_eq->queue_id == queid) {
2365
rc = lpfc_idiag_que_param_check(
2366
phba->sli4_hba.sp_eq, index, count);
2369
idiag.ptr_private = phba->sli4_hba.sp_eq;
2372
/* Fast-path event queue */
2373
for (qidx = 0; qidx < phba->cfg_fcp_eq_count; qidx++) {
2374
if (phba->sli4_hba.fp_eq[qidx]->queue_id == queid) {
2376
rc = lpfc_idiag_que_param_check(
2377
phba->sli4_hba.fp_eq[qidx],
2381
idiag.ptr_private = phba->sli4_hba.fp_eq[qidx];
2388
/* MBX complete queue */
2389
if (phba->sli4_hba.mbx_cq->queue_id == queid) {
2391
rc = lpfc_idiag_que_param_check(
2392
phba->sli4_hba.mbx_cq, index, count);
2395
idiag.ptr_private = phba->sli4_hba.mbx_cq;
2398
/* ELS complete queue */
2399
if (phba->sli4_hba.els_cq->queue_id == queid) {
2401
rc = lpfc_idiag_que_param_check(
2402
phba->sli4_hba.els_cq, index, count);
2405
idiag.ptr_private = phba->sli4_hba.els_cq;
2408
/* FCP complete queue */
2411
if (phba->sli4_hba.fcp_cq[qidx]->queue_id == queid) {
2413
rc = lpfc_idiag_que_param_check(
2414
phba->sli4_hba.fcp_cq[qidx],
2419
phba->sli4_hba.fcp_cq[qidx];
2422
} while (++qidx < phba->cfg_fcp_eq_count);
2426
/* MBX work queue */
2427
if (phba->sli4_hba.mbx_wq->queue_id == queid) {
2429
rc = lpfc_idiag_que_param_check(
2430
phba->sli4_hba.mbx_wq, index, count);
2433
idiag.ptr_private = phba->sli4_hba.mbx_wq;
2438
/* ELS work queue */
2439
if (phba->sli4_hba.els_wq->queue_id == queid) {
2441
rc = lpfc_idiag_que_param_check(
2442
phba->sli4_hba.els_wq, index, count);
2445
idiag.ptr_private = phba->sli4_hba.els_wq;
2448
/* FCP work queue */
2449
for (qidx = 0; qidx < phba->cfg_fcp_wq_count; qidx++) {
2450
if (phba->sli4_hba.fcp_wq[qidx]->queue_id == queid) {
2452
rc = lpfc_idiag_que_param_check(
2453
phba->sli4_hba.fcp_wq[qidx],
2458
phba->sli4_hba.fcp_wq[qidx];
2466
if (phba->sli4_hba.hdr_rq->queue_id == queid) {
2468
rc = lpfc_idiag_que_param_check(
2469
phba->sli4_hba.hdr_rq, index, count);
2472
idiag.ptr_private = phba->sli4_hba.hdr_rq;
2476
if (phba->sli4_hba.dat_rq->queue_id == queid) {
2478
rc = lpfc_idiag_que_param_check(
2479
phba->sli4_hba.dat_rq, index, count);
2482
idiag.ptr_private = phba->sli4_hba.dat_rq;
2494
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
2495
if (count == LPFC_QUE_ACC_BROWSE)
2496
idiag.offset.last_rd = index;
2499
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
2500
idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
2501
idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
2502
/* Additional sanity checks on write operation */
2503
pque = (struct lpfc_queue *)idiag.ptr_private;
2504
if (offset > pque->entry_size/sizeof(uint32_t) - 1)
2506
pentry = pque->qe[index].address;
2508
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR)
2510
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST)
2512
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL)
2518
/* Clean out command structure on command error out */
2519
memset(&idiag, 0, sizeof(idiag));
2524
* lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
2525
* @phba: The pointer to hba structure.
2526
* @pbuffer: The pointer to the buffer to copy the data to.
2527
* @len: The lenght of bytes to copied.
2528
* @drbregid: The id to doorbell registers.
2531
* This routine reads a doorbell register and copies its content to the
2532
* user buffer pointed to by @pbuffer.
2535
* This function returns the amount of data that was copied into @pbuffer.
2538
lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
2539
int len, uint32_t drbregid)
2547
len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
2548
"EQCQ-DRB-REG: 0x%08x\n",
2549
readl(phba->sli4_hba.EQCQDBregaddr));
2552
len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
2553
"MQ-DRB-REG: 0x%08x\n",
2554
readl(phba->sli4_hba.MQDBregaddr));
2557
len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
2558
"WQ-DRB-REG: 0x%08x\n",
2559
readl(phba->sli4_hba.WQDBregaddr));
2562
len += snprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
2563
"RQ-DRB-REG: 0x%08x\n",
2564
readl(phba->sli4_hba.RQDBregaddr));
2574
* lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
2575
* @file: The file pointer to read from.
2576
* @buf: The buffer to copy the data to.
2577
* @nbytes: The number of bytes to read.
2578
* @ppos: The position in the file to start reading from.
2581
* This routine reads data from the @phba device doorbell register according
2582
* to the idiag command, and copies to user @buf. Depending on the doorbell
2583
* register read command setup, it does either a single doorbell register
2584
* read or dump all doorbell registers.
2587
* This function returns the amount of data that was read (this could be less
2588
* than @nbytes if the end of the file was reached) or a negative error value.
2591
lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes,
2594
struct lpfc_debug *debug = file->private_data;
2595
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2596
uint32_t drb_reg_id, i;
2600
/* This is a user read operation */
2601
debug->op = LPFC_IDIAG_OP_RD;
2604
debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL);
2607
pbuffer = debug->buffer;
2612
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD)
2613
drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
2617
if (drb_reg_id == LPFC_DRB_ACC_ALL)
2618
for (i = 1; i <= LPFC_DRB_MAX; i++)
2619
len = lpfc_idiag_drbacc_read_reg(phba,
2622
len = lpfc_idiag_drbacc_read_reg(phba,
2623
pbuffer, len, drb_reg_id);
2625
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2629
* lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
2630
* @file: The file pointer to read from.
2631
* @buf: The buffer to copy the user data from.
2632
* @nbytes: The number of bytes to get.
2633
* @ppos: The position in the file to start reading from.
2635
* This routine get the debugfs idiag command struct from user space and then
2636
* perform the syntax check for port doorbell register read (dump) or write
2637
* (set) command accordingly. In the case of port queue read command, it sets
2638
* up the command in the idiag command struct for the following debugfs read
2639
* operation. In the case of port doorbell register write operation, it
2640
* executes the write operation into the port doorbell register accordingly.
2642
* It returns the @nbytges passing in from debugfs user space when successful.
2643
* In case of error conditions, it returns proper error code back to the user
2647
lpfc_idiag_drbacc_write(struct file *file, const char __user *buf,
2648
size_t nbytes, loff_t *ppos)
2650
struct lpfc_debug *debug = file->private_data;
2651
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2652
uint32_t drb_reg_id, value, reg_val = 0;
2653
void __iomem *drb_reg;
2656
/* This is a user write operation */
2657
debug->op = LPFC_IDIAG_OP_WR;
2659
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
2663
/* Sanity check on command line arguments */
2664
drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
2665
value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX];
2667
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
2668
idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
2669
idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
2670
if (rc != LPFC_DRB_ACC_WR_CMD_ARG)
2672
if (drb_reg_id > LPFC_DRB_MAX)
2674
} else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) {
2675
if (rc != LPFC_DRB_ACC_RD_CMD_ARG)
2677
if ((drb_reg_id > LPFC_DRB_MAX) &&
2678
(drb_reg_id != LPFC_DRB_ACC_ALL))
2683
/* Perform the write access operation */
2684
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
2685
idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
2686
idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
2687
switch (drb_reg_id) {
2689
drb_reg = phba->sli4_hba.EQCQDBregaddr;
2692
drb_reg = phba->sli4_hba.MQDBregaddr;
2695
drb_reg = phba->sli4_hba.WQDBregaddr;
2698
drb_reg = phba->sli4_hba.RQDBregaddr;
2704
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR)
2706
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) {
2707
reg_val = readl(drb_reg);
2710
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
2711
reg_val = readl(drb_reg);
2714
writel(reg_val, drb_reg);
2715
readl(drb_reg); /* flush */
2720
/* Clean out command structure on command error out */
2721
memset(&idiag, 0, sizeof(idiag));
2726
* lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
2727
* @phba: The pointer to hba structure.
2728
* @pbuffer: The pointer to the buffer to copy the data to.
2729
* @len: The lenght of bytes to copied.
2730
* @drbregid: The id to doorbell registers.
2733
* This routine reads a control register and copies its content to the
2734
* user buffer pointed to by @pbuffer.
2737
* This function returns the amount of data that was copied into @pbuffer.
2740
lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
2741
int len, uint32_t ctlregid)
2748
case LPFC_CTL_PORT_SEM:
2749
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2750
"Port SemReg: 0x%08x\n",
2751
readl(phba->sli4_hba.conf_regs_memmap_p +
2752
LPFC_CTL_PORT_SEM_OFFSET));
2754
case LPFC_CTL_PORT_STA:
2755
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2756
"Port StaReg: 0x%08x\n",
2757
readl(phba->sli4_hba.conf_regs_memmap_p +
2758
LPFC_CTL_PORT_STA_OFFSET));
2760
case LPFC_CTL_PORT_CTL:
2761
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2762
"Port CtlReg: 0x%08x\n",
2763
readl(phba->sli4_hba.conf_regs_memmap_p +
2764
LPFC_CTL_PORT_CTL_OFFSET));
2766
case LPFC_CTL_PORT_ER1:
2767
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2768
"Port Er1Reg: 0x%08x\n",
2769
readl(phba->sli4_hba.conf_regs_memmap_p +
2770
LPFC_CTL_PORT_ER1_OFFSET));
2772
case LPFC_CTL_PORT_ER2:
2773
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2774
"Port Er2Reg: 0x%08x\n",
2775
readl(phba->sli4_hba.conf_regs_memmap_p +
2776
LPFC_CTL_PORT_ER2_OFFSET));
2778
case LPFC_CTL_PDEV_CTL:
2779
len += snprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
2780
"PDev CtlReg: 0x%08x\n",
2781
readl(phba->sli4_hba.conf_regs_memmap_p +
2782
LPFC_CTL_PDEV_CTL_OFFSET));
2791
* lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
2792
* @file: The file pointer to read from.
2793
* @buf: The buffer to copy the data to.
2794
* @nbytes: The number of bytes to read.
2795
* @ppos: The position in the file to start reading from.
2798
* This routine reads data from the @phba port and device registers according
2799
* to the idiag command, and copies to user @buf.
2802
* This function returns the amount of data that was read (this could be less
2803
* than @nbytes if the end of the file was reached) or a negative error value.
2806
lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes,
2809
struct lpfc_debug *debug = file->private_data;
2810
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2811
uint32_t ctl_reg_id, i;
2815
/* This is a user read operation */
2816
debug->op = LPFC_IDIAG_OP_RD;
2819
debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL);
2822
pbuffer = debug->buffer;
2827
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD)
2828
ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
2832
if (ctl_reg_id == LPFC_CTL_ACC_ALL)
2833
for (i = 1; i <= LPFC_CTL_MAX; i++)
2834
len = lpfc_idiag_ctlacc_read_reg(phba,
2837
len = lpfc_idiag_ctlacc_read_reg(phba,
2838
pbuffer, len, ctl_reg_id);
2840
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
2844
* lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
2845
* @file: The file pointer to read from.
2846
* @buf: The buffer to copy the user data from.
2847
* @nbytes: The number of bytes to get.
2848
* @ppos: The position in the file to start reading from.
2850
* This routine get the debugfs idiag command struct from user space and then
2851
* perform the syntax check for port and device control register read (dump)
2852
* or write (set) command accordingly.
2854
* It returns the @nbytges passing in from debugfs user space when successful.
2855
* In case of error conditions, it returns proper error code back to the user
2859
lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf,
2860
size_t nbytes, loff_t *ppos)
2862
struct lpfc_debug *debug = file->private_data;
2863
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
2864
uint32_t ctl_reg_id, value, reg_val = 0;
2865
void __iomem *ctl_reg;
2868
/* This is a user write operation */
2869
debug->op = LPFC_IDIAG_OP_WR;
2871
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
2875
/* Sanity check on command line arguments */
2876
ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
2877
value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX];
2879
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
2880
idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
2881
idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
2882
if (rc != LPFC_CTL_ACC_WR_CMD_ARG)
2884
if (ctl_reg_id > LPFC_CTL_MAX)
2886
} else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) {
2887
if (rc != LPFC_CTL_ACC_RD_CMD_ARG)
2889
if ((ctl_reg_id > LPFC_CTL_MAX) &&
2890
(ctl_reg_id != LPFC_CTL_ACC_ALL))
2895
/* Perform the write access operation */
2896
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
2897
idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
2898
idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
2899
switch (ctl_reg_id) {
2900
case LPFC_CTL_PORT_SEM:
2901
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2902
LPFC_CTL_PORT_SEM_OFFSET;
2904
case LPFC_CTL_PORT_STA:
2905
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2906
LPFC_CTL_PORT_STA_OFFSET;
2908
case LPFC_CTL_PORT_CTL:
2909
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2910
LPFC_CTL_PORT_CTL_OFFSET;
2912
case LPFC_CTL_PORT_ER1:
2913
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2914
LPFC_CTL_PORT_ER1_OFFSET;
2916
case LPFC_CTL_PORT_ER2:
2917
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2918
LPFC_CTL_PORT_ER2_OFFSET;
2920
case LPFC_CTL_PDEV_CTL:
2921
ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
2922
LPFC_CTL_PDEV_CTL_OFFSET;
2928
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR)
2930
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) {
2931
reg_val = readl(ctl_reg);
2934
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
2935
reg_val = readl(ctl_reg);
2938
writel(reg_val, ctl_reg);
2939
readl(ctl_reg); /* flush */
2944
/* Clean out command structure on command error out */
2945
memset(&idiag, 0, sizeof(idiag));
2950
* lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
2951
* @phba: Pointer to HBA context object.
2952
* @pbuffer: Pointer to data buffer.
2955
* This routine gets the driver mailbox access debugfs setup information.
2958
* This function returns the amount of data that was read (this could be less
2959
* than @nbytes if the end of the file was reached) or a negative error value.
2962
lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer)
2964
uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
2967
mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
2968
mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
2969
mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
2970
mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
2972
len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
2973
"mbx_dump_map: 0x%08x\n", mbx_dump_map);
2974
len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
2975
"mbx_dump_cnt: %04d\n", mbx_dump_cnt);
2976
len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
2977
"mbx_word_cnt: %04d\n", mbx_word_cnt);
2978
len += snprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
2979
"mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd);
2985
* lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
2986
* @file: The file pointer to read from.
2987
* @buf: The buffer to copy the data to.
2988
* @nbytes: The number of bytes to read.
2989
* @ppos: The position in the file to start reading from.
2992
* This routine reads data from the @phba driver mailbox access debugfs setup
2996
* This function returns the amount of data that was read (this could be less
2997
* than @nbytes if the end of the file was reached) or a negative error value.
3000
lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes,
3003
struct lpfc_debug *debug = file->private_data;
3004
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3008
/* This is a user read operation */
3009
debug->op = LPFC_IDIAG_OP_RD;
3012
debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL);
3015
pbuffer = debug->buffer;
3020
if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) &&
3021
(idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP))
3024
len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer);
3026
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3030
* lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
3031
* @file: The file pointer to read from.
3032
* @buf: The buffer to copy the user data from.
3033
* @nbytes: The number of bytes to get.
3034
* @ppos: The position in the file to start reading from.
3036
* This routine get the debugfs idiag command struct from user space and then
3037
* perform the syntax check for driver mailbox command (dump) and sets up the
3038
* necessary states in the idiag command struct accordingly.
3040
* It returns the @nbytges passing in from debugfs user space when successful.
3041
* In case of error conditions, it returns proper error code back to the user
3045
lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf,
3046
size_t nbytes, loff_t *ppos)
3048
struct lpfc_debug *debug = file->private_data;
3049
uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
3052
/* This is a user write operation */
3053
debug->op = LPFC_IDIAG_OP_WR;
3055
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
3059
/* Sanity check on command line arguments */
3060
mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
3061
mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
3062
mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
3063
mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
3065
if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) {
3066
if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL))
3068
if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) &&
3069
(mbx_dump_map != LPFC_MBX_DMP_ALL))
3071
if (mbx_word_cnt > sizeof(MAILBOX_t))
3073
} else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) {
3074
if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL))
3076
if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) &&
3077
(mbx_dump_map != LPFC_MBX_DMP_ALL))
3079
if (mbx_word_cnt > (BSG_MBOX_SIZE)/4)
3081
if (mbx_mbox_cmd != 0x9b)
3086
if (mbx_word_cnt == 0)
3088
if (rc != LPFC_MBX_DMP_ARG)
3090
if (mbx_mbox_cmd & ~0xff)
3093
/* condition for stop mailbox dump */
3094
if (mbx_dump_cnt == 0)
3100
/* Clean out command structure on command error out */
3101
memset(&idiag, 0, sizeof(idiag));
3105
/* Clean out command structure on command error out */
3106
memset(&idiag, 0, sizeof(idiag));
3111
* lpfc_idiag_extacc_avail_get - get the available extents information
3112
* @phba: pointer to lpfc hba data structure.
3113
* @pbuffer: pointer to internal buffer.
3114
* @len: length into the internal buffer data has been copied.
3117
* This routine is to get the available extent information.
3120
* overall lenth of the data read into the internal buffer.
3123
lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len)
3125
uint16_t ext_cnt, ext_size;
3127
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3128
"\nAvailable Extents Information:\n");
3130
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3131
"\tPort Available VPI extents: ");
3132
lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI,
3133
&ext_cnt, &ext_size);
3134
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3135
"Count %3d, Size %3d\n", ext_cnt, ext_size);
3137
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3138
"\tPort Available VFI extents: ");
3139
lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI,
3140
&ext_cnt, &ext_size);
3141
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3142
"Count %3d, Size %3d\n", ext_cnt, ext_size);
3144
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3145
"\tPort Available RPI extents: ");
3146
lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI,
3147
&ext_cnt, &ext_size);
3148
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3149
"Count %3d, Size %3d\n", ext_cnt, ext_size);
3151
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3152
"\tPort Available XRI extents: ");
3153
lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI,
3154
&ext_cnt, &ext_size);
3155
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3156
"Count %3d, Size %3d\n", ext_cnt, ext_size);
3162
* lpfc_idiag_extacc_alloc_get - get the allocated extents information
3163
* @phba: pointer to lpfc hba data structure.
3164
* @pbuffer: pointer to internal buffer.
3165
* @len: length into the internal buffer data has been copied.
3168
* This routine is to get the allocated extent information.
3171
* overall lenth of the data read into the internal buffer.
3174
lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len)
3176
uint16_t ext_cnt, ext_size;
3179
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3180
"\nAllocated Extents Information:\n");
3182
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3183
"\tHost Allocated VPI extents: ");
3184
rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI,
3185
&ext_cnt, &ext_size);
3187
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3188
"Port %d Extent %3d, Size %3d\n",
3189
phba->brd_no, ext_cnt, ext_size);
3191
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3194
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3195
"\tHost Allocated VFI extents: ");
3196
rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI,
3197
&ext_cnt, &ext_size);
3199
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3200
"Port %d Extent %3d, Size %3d\n",
3201
phba->brd_no, ext_cnt, ext_size);
3203
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3206
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3207
"\tHost Allocated RPI extents: ");
3208
rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI,
3209
&ext_cnt, &ext_size);
3211
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3212
"Port %d Extent %3d, Size %3d\n",
3213
phba->brd_no, ext_cnt, ext_size);
3215
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3218
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3219
"\tHost Allocated XRI extents: ");
3220
rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI,
3221
&ext_cnt, &ext_size);
3223
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3224
"Port %d Extent %3d, Size %3d\n",
3225
phba->brd_no, ext_cnt, ext_size);
3227
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3234
* lpfc_idiag_extacc_drivr_get - get driver extent information
3235
* @phba: pointer to lpfc hba data structure.
3236
* @pbuffer: pointer to internal buffer.
3237
* @len: length into the internal buffer data has been copied.
3240
* This routine is to get the driver extent information.
3243
* overall lenth of the data read into the internal buffer.
3246
lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len)
3248
struct lpfc_rsrc_blks *rsrc_blks;
3251
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3252
"\nDriver Extents Information:\n");
3254
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3255
"\tVPI extents:\n");
3257
list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) {
3258
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3259
"\t\tBlock %3d: Start %4d, Count %4d\n",
3260
index, rsrc_blks->rsrc_start,
3261
rsrc_blks->rsrc_size);
3264
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3265
"\tVFI extents:\n");
3267
list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list,
3269
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3270
"\t\tBlock %3d: Start %4d, Count %4d\n",
3271
index, rsrc_blks->rsrc_start,
3272
rsrc_blks->rsrc_size);
3276
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3277
"\tRPI extents:\n");
3279
list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list,
3281
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3282
"\t\tBlock %3d: Start %4d, Count %4d\n",
3283
index, rsrc_blks->rsrc_start,
3284
rsrc_blks->rsrc_size);
3288
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3289
"\tXRI extents:\n");
3291
list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list,
3293
len += snprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
3294
"\t\tBlock %3d: Start %4d, Count %4d\n",
3295
index, rsrc_blks->rsrc_start,
3296
rsrc_blks->rsrc_size);
3304
* lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
3305
* @file: The file pointer to read from.
3306
* @buf: The buffer to copy the user data from.
3307
* @nbytes: The number of bytes to get.
3308
* @ppos: The position in the file to start reading from.
3310
* This routine get the debugfs idiag command struct from user space and then
3311
* perform the syntax check for extent information access commands and sets
3312
* up the necessary states in the idiag command struct accordingly.
3314
* It returns the @nbytges passing in from debugfs user space when successful.
3315
* In case of error conditions, it returns proper error code back to the user
3319
lpfc_idiag_extacc_write(struct file *file, const char __user *buf,
3320
size_t nbytes, loff_t *ppos)
3322
struct lpfc_debug *debug = file->private_data;
3326
/* This is a user write operation */
3327
debug->op = LPFC_IDIAG_OP_WR;
3329
rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
3333
ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
3335
if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
3337
if (rc != LPFC_EXT_ACC_CMD_ARG)
3339
if (!(ext_map & LPFC_EXT_ACC_ALL))
3344
/* Clean out command structure on command error out */
3345
memset(&idiag, 0, sizeof(idiag));
3350
* lpfc_idiag_extacc_read - idiag debugfs read access to extent information
3351
* @file: The file pointer to read from.
3352
* @buf: The buffer to copy the data to.
3353
* @nbytes: The number of bytes to read.
3354
* @ppos: The position in the file to start reading from.
3357
* This routine reads data from the proper extent information according to
3358
* the idiag command, and copies to user @buf.
3361
* This function returns the amount of data that was read (this could be less
3362
* than @nbytes if the end of the file was reached) or a negative error value.
3365
lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes,
3368
struct lpfc_debug *debug = file->private_data;
3369
struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
3374
/* This is a user read operation */
3375
debug->op = LPFC_IDIAG_OP_RD;
3378
debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL);
3381
pbuffer = debug->buffer;
3384
if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
3387
ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
3388
if (ext_map & LPFC_EXT_ACC_AVAIL)
3389
len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len);
3390
if (ext_map & LPFC_EXT_ACC_ALLOC)
3391
len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len);
3392
if (ext_map & LPFC_EXT_ACC_DRIVR)
3393
len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len);
3395
return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
3398
#undef lpfc_debugfs_op_disc_trc
3399
static const struct file_operations lpfc_debugfs_op_disc_trc = {
3400
.owner = THIS_MODULE,
3401
.open = lpfc_debugfs_disc_trc_open,
3402
.llseek = lpfc_debugfs_lseek,
3403
.read = lpfc_debugfs_read,
3404
.release = lpfc_debugfs_release,
3407
#undef lpfc_debugfs_op_nodelist
3408
static const struct file_operations lpfc_debugfs_op_nodelist = {
3409
.owner = THIS_MODULE,
3410
.open = lpfc_debugfs_nodelist_open,
3411
.llseek = lpfc_debugfs_lseek,
3412
.read = lpfc_debugfs_read,
3413
.release = lpfc_debugfs_release,
3416
#undef lpfc_debugfs_op_hbqinfo
3417
static const struct file_operations lpfc_debugfs_op_hbqinfo = {
3418
.owner = THIS_MODULE,
3419
.open = lpfc_debugfs_hbqinfo_open,
3420
.llseek = lpfc_debugfs_lseek,
3421
.read = lpfc_debugfs_read,
3422
.release = lpfc_debugfs_release,
3425
#undef lpfc_debugfs_op_dumpHBASlim
3426
static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
3427
.owner = THIS_MODULE,
3428
.open = lpfc_debugfs_dumpHBASlim_open,
3429
.llseek = lpfc_debugfs_lseek,
3430
.read = lpfc_debugfs_read,
3431
.release = lpfc_debugfs_release,
3434
#undef lpfc_debugfs_op_dumpHostSlim
3435
static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
3436
.owner = THIS_MODULE,
3437
.open = lpfc_debugfs_dumpHostSlim_open,
3438
.llseek = lpfc_debugfs_lseek,
3439
.read = lpfc_debugfs_read,
3440
.release = lpfc_debugfs_release,
3443
#undef lpfc_debugfs_op_dumpData
3444
static const struct file_operations lpfc_debugfs_op_dumpData = {
3445
.owner = THIS_MODULE,
3446
.open = lpfc_debugfs_dumpData_open,
3447
.llseek = lpfc_debugfs_lseek,
3448
.read = lpfc_debugfs_read,
3449
.write = lpfc_debugfs_dumpDataDif_write,
3450
.release = lpfc_debugfs_dumpDataDif_release,
3453
#undef lpfc_debugfs_op_dumpDif
3454
static const struct file_operations lpfc_debugfs_op_dumpDif = {
3455
.owner = THIS_MODULE,
3456
.open = lpfc_debugfs_dumpDif_open,
3457
.llseek = lpfc_debugfs_lseek,
3458
.read = lpfc_debugfs_read,
3459
.write = lpfc_debugfs_dumpDataDif_write,
3460
.release = lpfc_debugfs_dumpDataDif_release,
3463
#undef lpfc_debugfs_op_dif_err
3464
static const struct file_operations lpfc_debugfs_op_dif_err = {
3465
.owner = THIS_MODULE,
3466
.open = lpfc_debugfs_dif_err_open,
3467
.llseek = lpfc_debugfs_lseek,
3468
.read = lpfc_debugfs_dif_err_read,
3469
.write = lpfc_debugfs_dif_err_write,
3470
.release = lpfc_debugfs_dif_err_release,
3473
#undef lpfc_debugfs_op_slow_ring_trc
3474
static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
3475
.owner = THIS_MODULE,
3476
.open = lpfc_debugfs_slow_ring_trc_open,
3477
.llseek = lpfc_debugfs_lseek,
3478
.read = lpfc_debugfs_read,
3479
.release = lpfc_debugfs_release,
3482
static struct dentry *lpfc_debugfs_root = NULL;
3483
static atomic_t lpfc_debugfs_hba_count;
3486
* File operations for the iDiag debugfs
3488
#undef lpfc_idiag_op_pciCfg
3489
static const struct file_operations lpfc_idiag_op_pciCfg = {
3490
.owner = THIS_MODULE,
3491
.open = lpfc_idiag_open,
3492
.llseek = lpfc_debugfs_lseek,
3493
.read = lpfc_idiag_pcicfg_read,
3494
.write = lpfc_idiag_pcicfg_write,
3495
.release = lpfc_idiag_cmd_release,
3498
#undef lpfc_idiag_op_barAcc
3499
static const struct file_operations lpfc_idiag_op_barAcc = {
3500
.owner = THIS_MODULE,
3501
.open = lpfc_idiag_open,
3502
.llseek = lpfc_debugfs_lseek,
3503
.read = lpfc_idiag_baracc_read,
3504
.write = lpfc_idiag_baracc_write,
3505
.release = lpfc_idiag_cmd_release,
3508
#undef lpfc_idiag_op_queInfo
3509
static const struct file_operations lpfc_idiag_op_queInfo = {
3510
.owner = THIS_MODULE,
3511
.open = lpfc_idiag_open,
3512
.read = lpfc_idiag_queinfo_read,
3513
.release = lpfc_idiag_release,
3516
#undef lpfc_idiag_op_queAcc
3517
static const struct file_operations lpfc_idiag_op_queAcc = {
3518
.owner = THIS_MODULE,
3519
.open = lpfc_idiag_open,
3520
.llseek = lpfc_debugfs_lseek,
3521
.read = lpfc_idiag_queacc_read,
3522
.write = lpfc_idiag_queacc_write,
3523
.release = lpfc_idiag_cmd_release,
3526
#undef lpfc_idiag_op_drbAcc
3527
static const struct file_operations lpfc_idiag_op_drbAcc = {
3528
.owner = THIS_MODULE,
3529
.open = lpfc_idiag_open,
3530
.llseek = lpfc_debugfs_lseek,
3531
.read = lpfc_idiag_drbacc_read,
3532
.write = lpfc_idiag_drbacc_write,
3533
.release = lpfc_idiag_cmd_release,
3536
#undef lpfc_idiag_op_ctlAcc
3537
static const struct file_operations lpfc_idiag_op_ctlAcc = {
3538
.owner = THIS_MODULE,
3539
.open = lpfc_idiag_open,
3540
.llseek = lpfc_debugfs_lseek,
3541
.read = lpfc_idiag_ctlacc_read,
3542
.write = lpfc_idiag_ctlacc_write,
3543
.release = lpfc_idiag_cmd_release,
3546
#undef lpfc_idiag_op_mbxAcc
3547
static const struct file_operations lpfc_idiag_op_mbxAcc = {
3548
.owner = THIS_MODULE,
3549
.open = lpfc_idiag_open,
3550
.llseek = lpfc_debugfs_lseek,
3551
.read = lpfc_idiag_mbxacc_read,
3552
.write = lpfc_idiag_mbxacc_write,
3553
.release = lpfc_idiag_cmd_release,
3556
#undef lpfc_idiag_op_extAcc
3557
static const struct file_operations lpfc_idiag_op_extAcc = {
3558
.owner = THIS_MODULE,
3559
.open = lpfc_idiag_open,
3560
.llseek = lpfc_debugfs_lseek,
3561
.read = lpfc_idiag_extacc_read,
3562
.write = lpfc_idiag_extacc_write,
3563
.release = lpfc_idiag_cmd_release,
3568
/* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
3569
* @phba: Pointer to HBA context object.
3570
* @dmabuf: Pointer to a DMA buffer descriptor.
3573
* This routine dump a bsg pass-through non-embedded mailbox command with
3577
lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp,
3578
enum mbox_type mbox_tp, enum dma_type dma_tp,
3579
enum sta_type sta_tp,
3580
struct lpfc_dmabuf *dmabuf, uint32_t ext_buf)
3582
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
3583
uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt;
3584
char line_buf[LPFC_MBX_ACC_LBUF_SZ];
3586
uint32_t do_dump = 0;
3590
if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)
3593
mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
3594
mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
3595
mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
3596
mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
3598
if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) ||
3599
(*mbx_dump_cnt == 0) ||
3600
(*mbx_word_cnt == 0))
3603
if (*mbx_mbox_cmd != 0x9B)
3606
if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) {
3607
if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) {
3608
do_dump |= LPFC_BSG_DMP_MBX_RD_MBX;
3609
printk(KERN_ERR "\nRead mbox command (x%x), "
3610
"nemb:0x%x, extbuf_cnt:%d:\n",
3611
sta_tp, nemb_tp, ext_buf);
3614
if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) {
3615
if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) {
3616
do_dump |= LPFC_BSG_DMP_MBX_RD_BUF;
3617
printk(KERN_ERR "\nRead mbox buffer (x%x), "
3618
"nemb:0x%x, extbuf_seq:%d:\n",
3619
sta_tp, nemb_tp, ext_buf);
3622
if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) {
3623
if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) {
3624
do_dump |= LPFC_BSG_DMP_MBX_WR_MBX;
3625
printk(KERN_ERR "\nWrite mbox command (x%x), "
3626
"nemb:0x%x, extbuf_cnt:%d:\n",
3627
sta_tp, nemb_tp, ext_buf);
3630
if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) {
3631
if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) {
3632
do_dump |= LPFC_BSG_DMP_MBX_WR_BUF;
3633
printk(KERN_ERR "\nWrite mbox buffer (x%x), "
3634
"nemb:0x%x, extbuf_seq:%d:\n",
3635
sta_tp, nemb_tp, ext_buf);
3639
/* dump buffer content */
3641
pword = (uint32_t *)dmabuf->virt;
3642
for (i = 0; i < *mbx_word_cnt; i++) {
3645
printk(KERN_ERR "%s\n", line_buf);
3647
len += snprintf(line_buf+len,
3648
LPFC_MBX_ACC_LBUF_SZ-len,
3651
len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
3652
"%08x ", (uint32_t)*pword);
3656
printk(KERN_ERR "%s\n", line_buf);
3660
/* Clean out command structure on reaching dump count */
3661
if (*mbx_dump_cnt == 0)
3662
memset(&idiag, 0, sizeof(idiag));
3667
/* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
3668
* @phba: Pointer to HBA context object.
3669
* @dmabuf: Pointer to a DMA buffer descriptor.
3672
* This routine dump a pass-through non-embedded mailbox command from issue
3676
lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox)
3678
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
3679
uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd;
3680
char line_buf[LPFC_MBX_ACC_LBUF_SZ];
3686
if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP)
3689
mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
3690
mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
3691
mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
3692
mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
3694
if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) ||
3695
(*mbx_dump_cnt == 0) ||
3696
(*mbx_word_cnt == 0))
3699
if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) &&
3700
(*mbx_mbox_cmd != pmbox->mbxCommand))
3703
/* dump buffer content */
3704
if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) {
3705
printk(KERN_ERR "Mailbox command:0x%x dump by word:\n",
3707
pword = (uint32_t *)pmbox;
3708
for (i = 0; i < *mbx_word_cnt; i++) {
3711
printk(KERN_ERR "%s\n", line_buf);
3713
memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
3714
len += snprintf(line_buf+len,
3715
LPFC_MBX_ACC_LBUF_SZ-len,
3718
len += snprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
3720
((uint32_t)*pword) & 0xffffffff);
3724
printk(KERN_ERR "%s\n", line_buf);
3725
printk(KERN_ERR "\n");
3727
if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) {
3728
printk(KERN_ERR "Mailbox command:0x%x dump by byte:\n",
3730
pbyte = (uint8_t *)pmbox;
3731
for (i = 0; i < *mbx_word_cnt; i++) {
3734
printk(KERN_ERR "%s\n", line_buf);
3736
memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
3737
len += snprintf(line_buf+len,
3738
LPFC_MBX_ACC_LBUF_SZ-len,
3741
for (j = 0; j < 4; j++) {
3742
len += snprintf(line_buf+len,
3743
LPFC_MBX_ACC_LBUF_SZ-len,
3745
((uint8_t)*pbyte) & 0xff);
3748
len += snprintf(line_buf+len,
3749
LPFC_MBX_ACC_LBUF_SZ-len, " ");
3752
printk(KERN_ERR "%s\n", line_buf);
3753
printk(KERN_ERR "\n");
3757
/* Clean out command structure on reaching dump count */
3758
if (*mbx_dump_cnt == 0)
3759
memset(&idiag, 0, sizeof(idiag));
3765
* lpfc_debugfs_initialize - Initialize debugfs for a vport
3766
* @vport: The vport pointer to initialize.
3769
* When Debugfs is configured this routine sets up the lpfc debugfs file system.
3770
* If not already created, this routine will create the lpfc directory, and
3771
* lpfcX directory (for this HBA), and vportX directory for this vport. It will
3772
* also create each file used to access lpfc specific debugfs information.
3775
lpfc_debugfs_initialize(struct lpfc_vport *vport)
3777
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
3778
struct lpfc_hba *phba = vport->phba;
3782
if (!lpfc_debugfs_enable)
3785
/* Setup lpfc root directory */
3786
if (!lpfc_debugfs_root) {
3787
lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
3788
atomic_set(&lpfc_debugfs_hba_count, 0);
3789
if (!lpfc_debugfs_root) {
3790
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3791
"0408 Cannot create debugfs root\n");
3795
if (!lpfc_debugfs_start_time)
3796
lpfc_debugfs_start_time = jiffies;
3798
/* Setup funcX directory for specific HBA PCI function */
3799
snprintf(name, sizeof(name), "fn%d", phba->brd_no);
3800
if (!phba->hba_debugfs_root) {
3801
phba->hba_debugfs_root =
3802
debugfs_create_dir(name, lpfc_debugfs_root);
3803
if (!phba->hba_debugfs_root) {
3804
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3805
"0412 Cannot create debugfs hba\n");
3808
atomic_inc(&lpfc_debugfs_hba_count);
3809
atomic_set(&phba->debugfs_vport_count, 0);
3812
snprintf(name, sizeof(name), "hbqinfo");
3813
phba->debug_hbqinfo =
3814
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3815
phba->hba_debugfs_root,
3816
phba, &lpfc_debugfs_op_hbqinfo);
3817
if (!phba->debug_hbqinfo) {
3818
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3819
"0411 Cannot create debugfs hbqinfo\n");
3823
/* Setup dumpHBASlim */
3824
if (phba->sli_rev < LPFC_SLI_REV4) {
3825
snprintf(name, sizeof(name), "dumpHBASlim");
3826
phba->debug_dumpHBASlim =
3827
debugfs_create_file(name,
3828
S_IFREG|S_IRUGO|S_IWUSR,
3829
phba->hba_debugfs_root,
3830
phba, &lpfc_debugfs_op_dumpHBASlim);
3831
if (!phba->debug_dumpHBASlim) {
3832
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3833
"0413 Cannot create debugfs "
3838
phba->debug_dumpHBASlim = NULL;
3840
/* Setup dumpHostSlim */
3841
if (phba->sli_rev < LPFC_SLI_REV4) {
3842
snprintf(name, sizeof(name), "dumpHostSlim");
3843
phba->debug_dumpHostSlim =
3844
debugfs_create_file(name,
3845
S_IFREG|S_IRUGO|S_IWUSR,
3846
phba->hba_debugfs_root,
3847
phba, &lpfc_debugfs_op_dumpHostSlim);
3848
if (!phba->debug_dumpHostSlim) {
3849
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3850
"0414 Cannot create debugfs "
3855
phba->debug_dumpHBASlim = NULL;
3857
/* Setup dumpData */
3858
snprintf(name, sizeof(name), "dumpData");
3859
phba->debug_dumpData =
3860
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3861
phba->hba_debugfs_root,
3862
phba, &lpfc_debugfs_op_dumpData);
3863
if (!phba->debug_dumpData) {
3864
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3865
"0800 Cannot create debugfs dumpData\n");
3870
snprintf(name, sizeof(name), "dumpDif");
3871
phba->debug_dumpDif =
3872
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3873
phba->hba_debugfs_root,
3874
phba, &lpfc_debugfs_op_dumpDif);
3875
if (!phba->debug_dumpDif) {
3876
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3877
"0801 Cannot create debugfs dumpDif\n");
3881
/* Setup DIF Error Injections */
3882
snprintf(name, sizeof(name), "InjErrLBA");
3883
phba->debug_InjErrLBA =
3884
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3885
phba->hba_debugfs_root,
3886
phba, &lpfc_debugfs_op_dif_err);
3887
if (!phba->debug_InjErrLBA) {
3888
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3889
"0807 Cannot create debugfs InjErrLBA\n");
3892
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
3894
snprintf(name, sizeof(name), "writeGuardInjErr");
3895
phba->debug_writeGuard =
3896
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3897
phba->hba_debugfs_root,
3898
phba, &lpfc_debugfs_op_dif_err);
3899
if (!phba->debug_writeGuard) {
3900
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3901
"0802 Cannot create debugfs writeGuard\n");
3905
snprintf(name, sizeof(name), "writeAppInjErr");
3906
phba->debug_writeApp =
3907
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3908
phba->hba_debugfs_root,
3909
phba, &lpfc_debugfs_op_dif_err);
3910
if (!phba->debug_writeApp) {
3911
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3912
"0803 Cannot create debugfs writeApp\n");
3916
snprintf(name, sizeof(name), "writeRefInjErr");
3917
phba->debug_writeRef =
3918
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3919
phba->hba_debugfs_root,
3920
phba, &lpfc_debugfs_op_dif_err);
3921
if (!phba->debug_writeRef) {
3922
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3923
"0804 Cannot create debugfs writeRef\n");
3927
snprintf(name, sizeof(name), "readAppInjErr");
3928
phba->debug_readApp =
3929
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3930
phba->hba_debugfs_root,
3931
phba, &lpfc_debugfs_op_dif_err);
3932
if (!phba->debug_readApp) {
3933
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3934
"0805 Cannot create debugfs readApp\n");
3938
snprintf(name, sizeof(name), "readRefInjErr");
3939
phba->debug_readRef =
3940
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3941
phba->hba_debugfs_root,
3942
phba, &lpfc_debugfs_op_dif_err);
3943
if (!phba->debug_readRef) {
3944
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3945
"0806 Cannot create debugfs readApp\n");
3949
/* Setup slow ring trace */
3950
if (lpfc_debugfs_max_slow_ring_trc) {
3951
num = lpfc_debugfs_max_slow_ring_trc - 1;
3952
if (num & lpfc_debugfs_max_slow_ring_trc) {
3953
/* Change to be a power of 2 */
3954
num = lpfc_debugfs_max_slow_ring_trc;
3960
lpfc_debugfs_max_slow_ring_trc = (1 << i);
3962
"lpfc_debugfs_max_disc_trc changed to "
3963
"%d\n", lpfc_debugfs_max_disc_trc);
3967
snprintf(name, sizeof(name), "slow_ring_trace");
3968
phba->debug_slow_ring_trc =
3969
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
3970
phba->hba_debugfs_root,
3971
phba, &lpfc_debugfs_op_slow_ring_trc);
3972
if (!phba->debug_slow_ring_trc) {
3973
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3974
"0415 Cannot create debugfs "
3975
"slow_ring_trace\n");
3978
if (!phba->slow_ring_trc) {
3979
phba->slow_ring_trc = kmalloc(
3980
(sizeof(struct lpfc_debugfs_trc) *
3981
lpfc_debugfs_max_slow_ring_trc),
3983
if (!phba->slow_ring_trc) {
3984
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
3985
"0416 Cannot create debugfs "
3986
"slow_ring buffer\n");
3989
atomic_set(&phba->slow_ring_trc_cnt, 0);
3990
memset(phba->slow_ring_trc, 0,
3991
(sizeof(struct lpfc_debugfs_trc) *
3992
lpfc_debugfs_max_slow_ring_trc));
3996
snprintf(name, sizeof(name), "vport%d", vport->vpi);
3997
if (!vport->vport_debugfs_root) {
3998
vport->vport_debugfs_root =
3999
debugfs_create_dir(name, phba->hba_debugfs_root);
4000
if (!vport->vport_debugfs_root) {
4001
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4002
"0417 Can't create debugfs\n");
4005
atomic_inc(&phba->debugfs_vport_count);
4008
if (lpfc_debugfs_max_disc_trc) {
4009
num = lpfc_debugfs_max_disc_trc - 1;
4010
if (num & lpfc_debugfs_max_disc_trc) {
4011
/* Change to be a power of 2 */
4012
num = lpfc_debugfs_max_disc_trc;
4018
lpfc_debugfs_max_disc_trc = (1 << i);
4020
"lpfc_debugfs_max_disc_trc changed to %d\n",
4021
lpfc_debugfs_max_disc_trc);
4025
vport->disc_trc = kzalloc(
4026
(sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
4029
if (!vport->disc_trc) {
4030
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4031
"0418 Cannot create debugfs disc trace "
4035
atomic_set(&vport->disc_trc_cnt, 0);
4037
snprintf(name, sizeof(name), "discovery_trace");
4038
vport->debug_disc_trc =
4039
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4040
vport->vport_debugfs_root,
4041
vport, &lpfc_debugfs_op_disc_trc);
4042
if (!vport->debug_disc_trc) {
4043
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4044
"0419 Cannot create debugfs "
4045
"discovery_trace\n");
4048
snprintf(name, sizeof(name), "nodelist");
4049
vport->debug_nodelist =
4050
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4051
vport->vport_debugfs_root,
4052
vport, &lpfc_debugfs_op_nodelist);
4053
if (!vport->debug_nodelist) {
4054
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4055
"2985 Can't create debugfs nodelist\n");
4060
* iDiag debugfs root entry points for SLI4 device only
4062
if (phba->sli_rev < LPFC_SLI_REV4)
4065
snprintf(name, sizeof(name), "iDiag");
4066
if (!phba->idiag_root) {
4068
debugfs_create_dir(name, phba->hba_debugfs_root);
4069
if (!phba->idiag_root) {
4070
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4071
"2922 Can't create idiag debugfs\n");
4074
/* Initialize iDiag data structure */
4075
memset(&idiag, 0, sizeof(idiag));
4078
/* iDiag read PCI config space */
4079
snprintf(name, sizeof(name), "pciCfg");
4080
if (!phba->idiag_pci_cfg) {
4081
phba->idiag_pci_cfg =
4082
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4083
phba->idiag_root, phba, &lpfc_idiag_op_pciCfg);
4084
if (!phba->idiag_pci_cfg) {
4085
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4086
"2923 Can't create idiag debugfs\n");
4089
idiag.offset.last_rd = 0;
4092
/* iDiag PCI BAR access */
4093
snprintf(name, sizeof(name), "barAcc");
4094
if (!phba->idiag_bar_acc) {
4095
phba->idiag_bar_acc =
4096
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4097
phba->idiag_root, phba, &lpfc_idiag_op_barAcc);
4098
if (!phba->idiag_bar_acc) {
4099
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4100
"3056 Can't create idiag debugfs\n");
4103
idiag.offset.last_rd = 0;
4106
/* iDiag get PCI function queue information */
4107
snprintf(name, sizeof(name), "queInfo");
4108
if (!phba->idiag_que_info) {
4109
phba->idiag_que_info =
4110
debugfs_create_file(name, S_IFREG|S_IRUGO,
4111
phba->idiag_root, phba, &lpfc_idiag_op_queInfo);
4112
if (!phba->idiag_que_info) {
4113
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4114
"2924 Can't create idiag debugfs\n");
4119
/* iDiag access PCI function queue */
4120
snprintf(name, sizeof(name), "queAcc");
4121
if (!phba->idiag_que_acc) {
4122
phba->idiag_que_acc =
4123
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4124
phba->idiag_root, phba, &lpfc_idiag_op_queAcc);
4125
if (!phba->idiag_que_acc) {
4126
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4127
"2926 Can't create idiag debugfs\n");
4132
/* iDiag access PCI function doorbell registers */
4133
snprintf(name, sizeof(name), "drbAcc");
4134
if (!phba->idiag_drb_acc) {
4135
phba->idiag_drb_acc =
4136
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4137
phba->idiag_root, phba, &lpfc_idiag_op_drbAcc);
4138
if (!phba->idiag_drb_acc) {
4139
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4140
"2927 Can't create idiag debugfs\n");
4145
/* iDiag access PCI function control registers */
4146
snprintf(name, sizeof(name), "ctlAcc");
4147
if (!phba->idiag_ctl_acc) {
4148
phba->idiag_ctl_acc =
4149
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4150
phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc);
4151
if (!phba->idiag_ctl_acc) {
4152
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4153
"2981 Can't create idiag debugfs\n");
4158
/* iDiag access mbox commands */
4159
snprintf(name, sizeof(name), "mbxAcc");
4160
if (!phba->idiag_mbx_acc) {
4161
phba->idiag_mbx_acc =
4162
debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
4163
phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc);
4164
if (!phba->idiag_mbx_acc) {
4165
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4166
"2980 Can't create idiag debugfs\n");
4171
/* iDiag extents access commands */
4172
if (phba->sli4_hba.extents_in_use) {
4173
snprintf(name, sizeof(name), "extAcc");
4174
if (!phba->idiag_ext_acc) {
4175
phba->idiag_ext_acc =
4176
debugfs_create_file(name,
4177
S_IFREG|S_IRUGO|S_IWUSR,
4178
phba->idiag_root, phba,
4179
&lpfc_idiag_op_extAcc);
4180
if (!phba->idiag_ext_acc) {
4181
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
4195
* lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
4196
* @vport: The vport pointer to remove from debugfs.
4199
* When Debugfs is configured this routine removes debugfs file system elements
4200
* that are specific to this vport. It also checks to see if there are any
4201
* users left for the debugfs directories associated with the HBA and driver. If
4202
* this is the last user of the HBA directory or driver directory then it will
4203
* remove those from the debugfs infrastructure as well.
4206
lpfc_debugfs_terminate(struct lpfc_vport *vport)
4208
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
4209
struct lpfc_hba *phba = vport->phba;
4211
if (vport->disc_trc) {
4212
kfree(vport->disc_trc);
4213
vport->disc_trc = NULL;
4215
if (vport->debug_disc_trc) {
4216
debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
4217
vport->debug_disc_trc = NULL;
4219
if (vport->debug_nodelist) {
4220
debugfs_remove(vport->debug_nodelist); /* nodelist */
4221
vport->debug_nodelist = NULL;
4223
if (vport->vport_debugfs_root) {
4224
debugfs_remove(vport->vport_debugfs_root); /* vportX */
4225
vport->vport_debugfs_root = NULL;
4226
atomic_dec(&phba->debugfs_vport_count);
4228
if (atomic_read(&phba->debugfs_vport_count) == 0) {
4230
if (phba->debug_hbqinfo) {
4231
debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
4232
phba->debug_hbqinfo = NULL;
4234
if (phba->debug_dumpHBASlim) {
4235
debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
4236
phba->debug_dumpHBASlim = NULL;
4238
if (phba->debug_dumpHostSlim) {
4239
debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
4240
phba->debug_dumpHostSlim = NULL;
4242
if (phba->debug_dumpData) {
4243
debugfs_remove(phba->debug_dumpData); /* dumpData */
4244
phba->debug_dumpData = NULL;
4247
if (phba->debug_dumpDif) {
4248
debugfs_remove(phba->debug_dumpDif); /* dumpDif */
4249
phba->debug_dumpDif = NULL;
4251
if (phba->debug_InjErrLBA) {
4252
debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
4253
phba->debug_InjErrLBA = NULL;
4255
if (phba->debug_writeGuard) {
4256
debugfs_remove(phba->debug_writeGuard); /* writeGuard */
4257
phba->debug_writeGuard = NULL;
4259
if (phba->debug_writeApp) {
4260
debugfs_remove(phba->debug_writeApp); /* writeApp */
4261
phba->debug_writeApp = NULL;
4263
if (phba->debug_writeRef) {
4264
debugfs_remove(phba->debug_writeRef); /* writeRef */
4265
phba->debug_writeRef = NULL;
4267
if (phba->debug_readApp) {
4268
debugfs_remove(phba->debug_readApp); /* readApp */
4269
phba->debug_readApp = NULL;
4271
if (phba->debug_readRef) {
4272
debugfs_remove(phba->debug_readRef); /* readRef */
4273
phba->debug_readRef = NULL;
4276
if (phba->slow_ring_trc) {
4277
kfree(phba->slow_ring_trc);
4278
phba->slow_ring_trc = NULL;
4280
if (phba->debug_slow_ring_trc) {
4281
/* slow_ring_trace */
4282
debugfs_remove(phba->debug_slow_ring_trc);
4283
phba->debug_slow_ring_trc = NULL;
4289
if (phba->sli_rev == LPFC_SLI_REV4) {
4290
if (phba->idiag_ext_acc) {
4292
debugfs_remove(phba->idiag_ext_acc);
4293
phba->idiag_ext_acc = NULL;
4295
if (phba->idiag_mbx_acc) {
4297
debugfs_remove(phba->idiag_mbx_acc);
4298
phba->idiag_mbx_acc = NULL;
4300
if (phba->idiag_ctl_acc) {
4302
debugfs_remove(phba->idiag_ctl_acc);
4303
phba->idiag_ctl_acc = NULL;
4305
if (phba->idiag_drb_acc) {
4307
debugfs_remove(phba->idiag_drb_acc);
4308
phba->idiag_drb_acc = NULL;
4310
if (phba->idiag_que_acc) {
4312
debugfs_remove(phba->idiag_que_acc);
4313
phba->idiag_que_acc = NULL;
4315
if (phba->idiag_que_info) {
4317
debugfs_remove(phba->idiag_que_info);
4318
phba->idiag_que_info = NULL;
4320
if (phba->idiag_bar_acc) {
4322
debugfs_remove(phba->idiag_bar_acc);
4323
phba->idiag_bar_acc = NULL;
4325
if (phba->idiag_pci_cfg) {
4327
debugfs_remove(phba->idiag_pci_cfg);
4328
phba->idiag_pci_cfg = NULL;
4331
/* Finally remove the iDiag debugfs root */
4332
if (phba->idiag_root) {
4334
debugfs_remove(phba->idiag_root);
4335
phba->idiag_root = NULL;
4339
if (phba->hba_debugfs_root) {
4340
debugfs_remove(phba->hba_debugfs_root); /* fnX */
4341
phba->hba_debugfs_root = NULL;
4342
atomic_dec(&lpfc_debugfs_hba_count);
4345
if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
4346
debugfs_remove(lpfc_debugfs_root); /* lpfc */
4347
lpfc_debugfs_root = NULL;
added
removed
drivers/scsi/lpfc/lpfc_debugfs.c
