/drivers/scsi/lpfc/lpfc_debugfs.c
C | 6513 lines | 4590 code | 705 blank | 1218 comment | 900 complexity | bb68be07d654c3c150c885b902e6526c MD5 | raw file
Possible License(s): AGPL-1.0, GPL-2.0, LGPL-2.0
- /*******************************************************************
- * This file is part of the Emulex Linux Device Driver for *
- * Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
- * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
- * Copyright (C) 2007-2015 Emulex. All rights reserved. *
- * EMULEX and SLI are trademarks of Emulex. *
- * www.broadcom.com *
- * *
- * This program is free software; you can redistribute it and/or *
- * modify it under the terms of version 2 of the GNU General *
- * Public License as published by the Free Software Foundation. *
- * This program is distributed in the hope that it will be useful. *
- * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
- * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
- * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
- * TO BE LEGALLY INVALID. See the GNU General Public License for *
- * more details, a copy of which can be found in the file COPYING *
- * included with this package. *
- *******************************************************************/
- #include <linux/blkdev.h>
- #include <linux/delay.h>
- #include <linux/module.h>
- #include <linux/dma-mapping.h>
- #include <linux/idr.h>
- #include <linux/interrupt.h>
- #include <linux/kthread.h>
- #include <linux/slab.h>
- #include <linux/pci.h>
- #include <linux/spinlock.h>
- #include <linux/ctype.h>
- #include <linux/vmalloc.h>
- #include <scsi/scsi.h>
- #include <scsi/scsi_device.h>
- #include <scsi/scsi_host.h>
- #include <scsi/scsi_transport_fc.h>
- #include <scsi/fc/fc_fs.h>
- #include <linux/nvme-fc-driver.h>
- #include "lpfc_hw4.h"
- #include "lpfc_hw.h"
- #include "lpfc_sli.h"
- #include "lpfc_sli4.h"
- #include "lpfc_nl.h"
- #include "lpfc_disc.h"
- #include "lpfc.h"
- #include "lpfc_scsi.h"
- #include "lpfc_nvme.h"
- #include "lpfc_nvmet.h"
- #include "lpfc_logmsg.h"
- #include "lpfc_crtn.h"
- #include "lpfc_vport.h"
- #include "lpfc_version.h"
- #include "lpfc_compat.h"
- #include "lpfc_debugfs.h"
- #include "lpfc_bsg.h"
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- /*
- * debugfs interface
- *
- * To access this interface the user should:
- * # mount -t debugfs none /sys/kernel/debug
- *
- * The lpfc debugfs directory hierarchy is:
- * /sys/kernel/debug/lpfc/fnX/vportY
- * where X is the lpfc hba function unique_id
- * where Y is the vport VPI on that hba
- *
- * Debugging services available per vport:
- * discovery_trace
- * This is an ACSII readable file that contains a trace of the last
- * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
- * See lpfc_debugfs.h for different categories of discovery events.
- * To enable the discovery trace, the following module parameters must be set:
- * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
- * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
- * EACH vport. X MUST also be a power of 2.
- * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
- * lpfc_debugfs.h .
- *
- * slow_ring_trace
- * This is an ACSII readable file that contains a trace of the last
- * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
- * To enable the slow ring trace, the following module parameters must be set:
- * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
- * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
- * the HBA. X MUST also be a power of 2.
- */
- static int lpfc_debugfs_enable = 1;
- module_param(lpfc_debugfs_enable, int, S_IRUGO);
- MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
- /* This MUST be a power of 2 */
- static int lpfc_debugfs_max_disc_trc;
- module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO);
- MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
- "Set debugfs discovery trace depth");
- /* This MUST be a power of 2 */
- static int lpfc_debugfs_max_slow_ring_trc;
- module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO);
- MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
- "Set debugfs slow ring trace depth");
- /* This MUST be a power of 2 */
- static int lpfc_debugfs_max_nvmeio_trc;
- module_param(lpfc_debugfs_max_nvmeio_trc, int, 0444);
- MODULE_PARM_DESC(lpfc_debugfs_max_nvmeio_trc,
- "Set debugfs NVME IO trace depth");
- static int lpfc_debugfs_mask_disc_trc;
- module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO);
- MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
- "Set debugfs discovery trace mask");
- #include <linux/debugfs.h>
- static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
- static unsigned long lpfc_debugfs_start_time = 0L;
- /* iDiag */
- static struct lpfc_idiag idiag;
- /**
- * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
- * @vport: The vport to gather the log info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine gathers the lpfc discovery debugfs data from the @vport and
- * dumps it to @buf up to @size number of bytes. It will start at the next entry
- * in the log and process the log until the end of the buffer. Then it will
- * gather from the beginning of the log and process until the current entry.
- *
- * Notes:
- * Discovery logging will be disabled while while this routine dumps the log.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
- {
- int i, index, len, enable;
- uint32_t ms;
- struct lpfc_debugfs_trc *dtp;
- char *buffer;
- buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
- if (!buffer)
- return 0;
- enable = lpfc_debugfs_enable;
- lpfc_debugfs_enable = 0;
- len = 0;
- index = (atomic_read(&vport->disc_trc_cnt) + 1) &
- (lpfc_debugfs_max_disc_trc - 1);
- for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
- dtp = vport->disc_trc + i;
- if (!dtp->fmt)
- continue;
- ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
- snprintf(buffer,
- LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
- dtp->seq_cnt, ms, dtp->fmt);
- len += scnprintf(buf+len, size-len, buffer,
- dtp->data1, dtp->data2, dtp->data3);
- }
- for (i = 0; i < index; i++) {
- dtp = vport->disc_trc + i;
- if (!dtp->fmt)
- continue;
- ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
- snprintf(buffer,
- LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
- dtp->seq_cnt, ms, dtp->fmt);
- len += scnprintf(buf+len, size-len, buffer,
- dtp->data1, dtp->data2, dtp->data3);
- }
- lpfc_debugfs_enable = enable;
- kfree(buffer);
- return len;
- }
- /**
- * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
- * @phba: The HBA to gather the log info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine gathers the lpfc slow ring debugfs data from the @phba and
- * dumps it to @buf up to @size number of bytes. It will start at the next entry
- * in the log and process the log until the end of the buffer. Then it will
- * gather from the beginning of the log and process until the current entry.
- *
- * Notes:
- * Slow ring logging will be disabled while while this routine dumps the log.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
- {
- int i, index, len, enable;
- uint32_t ms;
- struct lpfc_debugfs_trc *dtp;
- char *buffer;
- buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
- if (!buffer)
- return 0;
- enable = lpfc_debugfs_enable;
- lpfc_debugfs_enable = 0;
- len = 0;
- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
- (lpfc_debugfs_max_slow_ring_trc - 1);
- for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
- dtp = phba->slow_ring_trc + i;
- if (!dtp->fmt)
- continue;
- ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
- snprintf(buffer,
- LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
- dtp->seq_cnt, ms, dtp->fmt);
- len += scnprintf(buf+len, size-len, buffer,
- dtp->data1, dtp->data2, dtp->data3);
- }
- for (i = 0; i < index; i++) {
- dtp = phba->slow_ring_trc + i;
- if (!dtp->fmt)
- continue;
- ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
- snprintf(buffer,
- LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
- dtp->seq_cnt, ms, dtp->fmt);
- len += scnprintf(buf+len, size-len, buffer,
- dtp->data1, dtp->data2, dtp->data3);
- }
- lpfc_debugfs_enable = enable;
- kfree(buffer);
- return len;
- }
- static int lpfc_debugfs_last_hbq = -1;
- /**
- * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
- * @phba: The HBA to gather host buffer info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the host buffer queue info from the @phba to @buf up to
- * @size number of bytes. A header that describes the current hbq state will be
- * dumped to @buf first and then info on each hbq entry will be dumped to @buf
- * until @size bytes have been dumped or all the hbq info has been dumped.
- *
- * Notes:
- * This routine will rotate through each configured HBQ each time called.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
- {
- int len = 0;
- int i, j, found, posted, low;
- uint32_t phys, raw_index, getidx;
- struct lpfc_hbq_init *hip;
- struct hbq_s *hbqs;
- struct lpfc_hbq_entry *hbqe;
- struct lpfc_dmabuf *d_buf;
- struct hbq_dmabuf *hbq_buf;
- if (phba->sli_rev != 3)
- return 0;
- spin_lock_irq(&phba->hbalock);
- /* toggle between multiple hbqs, if any */
- i = lpfc_sli_hbq_count();
- if (i > 1) {
- lpfc_debugfs_last_hbq++;
- if (lpfc_debugfs_last_hbq >= i)
- lpfc_debugfs_last_hbq = 0;
- }
- else
- lpfc_debugfs_last_hbq = 0;
- i = lpfc_debugfs_last_hbq;
- len += scnprintf(buf+len, size-len, "HBQ %d Info\n", i);
- hbqs = &phba->hbqs[i];
- posted = 0;
- list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
- posted++;
- hip = lpfc_hbq_defs[i];
- len += scnprintf(buf+len, size-len,
- "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
- hip->hbq_index, hip->profile, hip->rn,
- hip->buffer_count, hip->init_count, hip->add_count, posted);
- raw_index = phba->hbq_get[i];
- getidx = le32_to_cpu(raw_index);
- len += scnprintf(buf+len, size-len,
- "entries:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
- hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
- hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
- hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
- for (j=0; j<hbqs->entry_count; j++) {
- len += scnprintf(buf+len, size-len,
- "%03d: %08x %04x %05x ", j,
- le32_to_cpu(hbqe->bde.addrLow),
- le32_to_cpu(hbqe->bde.tus.w),
- le32_to_cpu(hbqe->buffer_tag));
- i = 0;
- found = 0;
- /* First calculate if slot has an associated posted buffer */
- low = hbqs->hbqPutIdx - posted;
- if (low >= 0) {
- if ((j >= hbqs->hbqPutIdx) || (j < low)) {
- len += scnprintf(buf + len, size - len,
- "Unused\n");
- goto skipit;
- }
- }
- else {
- if ((j >= hbqs->hbqPutIdx) &&
- (j < (hbqs->entry_count+low))) {
- len += scnprintf(buf + len, size - len,
- "Unused\n");
- goto skipit;
- }
- }
- /* Get the Buffer info for the posted buffer */
- list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) {
- hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
- phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff);
- if (phys == le32_to_cpu(hbqe->bde.addrLow)) {
- len += scnprintf(buf+len, size-len,
- "Buf%d: x%px %06x\n", i,
- hbq_buf->dbuf.virt, hbq_buf->tag);
- found = 1;
- break;
- }
- i++;
- }
- if (!found) {
- len += scnprintf(buf+len, size-len, "No DMAinfo?\n");
- }
- skipit:
- hbqe++;
- if (len > LPFC_HBQINFO_SIZE - 54)
- break;
- }
- spin_unlock_irq(&phba->hbalock);
- return len;
- }
- static int lpfc_debugfs_last_xripool;
- /**
- * lpfc_debugfs_common_xri_data - Dump Hardware Queue info to a buffer
- * @phba: The HBA to gather host buffer info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the Hardware Queue info from the @phba to @buf up to
- * @size number of bytes. A header that describes the current hdwq state will be
- * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
- * until @size bytes have been dumped or all the hdwq info has been dumped.
- *
- * Notes:
- * This routine will rotate through each configured Hardware Queue each
- * time called.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_commonxripools_data(struct lpfc_hba *phba, char *buf, int size)
- {
- struct lpfc_sli4_hdw_queue *qp;
- int len = 0;
- int i, out;
- unsigned long iflag;
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- if (len > (LPFC_DUMP_MULTIXRIPOOL_SIZE - 80))
- break;
- qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_xripool];
- len += scnprintf(buf + len, size - len, "HdwQ %d Info ", i);
- spin_lock_irqsave(&qp->abts_io_buf_list_lock, iflag);
- spin_lock(&qp->io_buf_list_get_lock);
- spin_lock(&qp->io_buf_list_put_lock);
- out = qp->total_io_bufs - (qp->get_io_bufs + qp->put_io_bufs +
- qp->abts_scsi_io_bufs + qp->abts_nvme_io_bufs);
- len += scnprintf(buf + len, size - len,
- "tot:%d get:%d put:%d mt:%d "
- "ABTS scsi:%d nvme:%d Out:%d\n",
- qp->total_io_bufs, qp->get_io_bufs, qp->put_io_bufs,
- qp->empty_io_bufs, qp->abts_scsi_io_bufs,
- qp->abts_nvme_io_bufs, out);
- spin_unlock(&qp->io_buf_list_put_lock);
- spin_unlock(&qp->io_buf_list_get_lock);
- spin_unlock_irqrestore(&qp->abts_io_buf_list_lock, iflag);
- lpfc_debugfs_last_xripool++;
- if (lpfc_debugfs_last_xripool >= phba->cfg_hdw_queue)
- lpfc_debugfs_last_xripool = 0;
- }
- return len;
- }
- /**
- * lpfc_debugfs_multixripools_data - Display multi-XRI pools information
- * @phba: The HBA to gather host buffer info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine displays current multi-XRI pools information including XRI
- * count in public, private and txcmplq. It also displays current high and
- * low watermark.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_multixripools_data(struct lpfc_hba *phba, char *buf, int size)
- {
- u32 i;
- u32 hwq_count;
- struct lpfc_sli4_hdw_queue *qp;
- struct lpfc_multixri_pool *multixri_pool;
- struct lpfc_pvt_pool *pvt_pool;
- struct lpfc_pbl_pool *pbl_pool;
- u32 txcmplq_cnt;
- char tmp[LPFC_DEBUG_OUT_LINE_SZ] = {0};
- if (phba->sli_rev != LPFC_SLI_REV4)
- return 0;
- if (!phba->sli4_hba.hdwq)
- return 0;
- if (!phba->cfg_xri_rebalancing) {
- i = lpfc_debugfs_commonxripools_data(phba, buf, size);
- return i;
- }
- /*
- * Pbl: Current number of free XRIs in public pool
- * Pvt: Current number of free XRIs in private pool
- * Busy: Current number of outstanding XRIs
- * HWM: Current high watermark
- * pvt_empty: Incremented by 1 when IO submission fails (no xri)
- * pbl_empty: Incremented by 1 when all pbl_pool are empty during
- * IO submission
- */
- scnprintf(tmp, sizeof(tmp),
- "HWQ: Pbl Pvt Busy HWM | pvt_empty pbl_empty ");
- if (strlcat(buf, tmp, size) >= size)
- return strnlen(buf, size);
- #ifdef LPFC_MXP_STAT
- /*
- * MAXH: Max high watermark seen so far
- * above_lmt: Incremented by 1 if xri_owned > xri_limit during
- * IO submission
- * below_lmt: Incremented by 1 if xri_owned <= xri_limit during
- * IO submission
- * locPbl_hit: Incremented by 1 if successfully get a batch of XRI from
- * local pbl_pool
- * othPbl_hit: Incremented by 1 if successfully get a batch of XRI from
- * other pbl_pool
- */
- scnprintf(tmp, sizeof(tmp),
- "MAXH above_lmt below_lmt locPbl_hit othPbl_hit");
- if (strlcat(buf, tmp, size) >= size)
- return strnlen(buf, size);
- /*
- * sPbl: snapshot of Pbl 15 sec after stat gets cleared
- * sPvt: snapshot of Pvt 15 sec after stat gets cleared
- * sBusy: snapshot of Busy 15 sec after stat gets cleared
- */
- scnprintf(tmp, sizeof(tmp),
- " | sPbl sPvt sBusy");
- if (strlcat(buf, tmp, size) >= size)
- return strnlen(buf, size);
- #endif
- scnprintf(tmp, sizeof(tmp), "\n");
- if (strlcat(buf, tmp, size) >= size)
- return strnlen(buf, size);
- hwq_count = phba->cfg_hdw_queue;
- for (i = 0; i < hwq_count; i++) {
- qp = &phba->sli4_hba.hdwq[i];
- multixri_pool = qp->p_multixri_pool;
- if (!multixri_pool)
- continue;
- pbl_pool = &multixri_pool->pbl_pool;
- pvt_pool = &multixri_pool->pvt_pool;
- txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt;
- scnprintf(tmp, sizeof(tmp),
- "%03d: %4d %4d %4d %4d | %10d %10d ",
- i, pbl_pool->count, pvt_pool->count,
- txcmplq_cnt, pvt_pool->high_watermark,
- qp->empty_io_bufs, multixri_pool->pbl_empty_count);
- if (strlcat(buf, tmp, size) >= size)
- break;
- #ifdef LPFC_MXP_STAT
- scnprintf(tmp, sizeof(tmp),
- "%4d %10d %10d %10d %10d",
- multixri_pool->stat_max_hwm,
- multixri_pool->above_limit_count,
- multixri_pool->below_limit_count,
- multixri_pool->local_pbl_hit_count,
- multixri_pool->other_pbl_hit_count);
- if (strlcat(buf, tmp, size) >= size)
- break;
- scnprintf(tmp, sizeof(tmp),
- " | %4d %4d %5d",
- multixri_pool->stat_pbl_count,
- multixri_pool->stat_pvt_count,
- multixri_pool->stat_busy_count);
- if (strlcat(buf, tmp, size) >= size)
- break;
- #endif
- scnprintf(tmp, sizeof(tmp), "\n");
- if (strlcat(buf, tmp, size) >= size)
- break;
- }
- return strnlen(buf, size);
- }
- #ifdef LPFC_HDWQ_LOCK_STAT
- static int lpfc_debugfs_last_lock;
- /**
- * lpfc_debugfs_lockstat_data - Dump Hardware Queue info to a buffer
- * @phba: The HBA to gather host buffer info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the Hardware Queue info from the @phba to @buf up to
- * @size number of bytes. A header that describes the current hdwq state will be
- * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
- * until @size bytes have been dumped or all the hdwq info has been dumped.
- *
- * Notes:
- * This routine will rotate through each configured Hardware Queue each
- * time called.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_lockstat_data(struct lpfc_hba *phba, char *buf, int size)
- {
- struct lpfc_sli4_hdw_queue *qp;
- int len = 0;
- int i;
- if (phba->sli_rev != LPFC_SLI_REV4)
- return 0;
- if (!phba->sli4_hba.hdwq)
- return 0;
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- if (len > (LPFC_HDWQINFO_SIZE - 100))
- break;
- qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_lock];
- len += scnprintf(buf + len, size - len, "HdwQ %03d Lock ", i);
- if (phba->cfg_xri_rebalancing) {
- len += scnprintf(buf + len, size - len,
- "get_pvt:%d mv_pvt:%d "
- "mv2pub:%d mv2pvt:%d "
- "put_pvt:%d put_pub:%d wq:%d\n",
- qp->lock_conflict.alloc_pvt_pool,
- qp->lock_conflict.mv_from_pvt_pool,
- qp->lock_conflict.mv_to_pub_pool,
- qp->lock_conflict.mv_to_pvt_pool,
- qp->lock_conflict.free_pvt_pool,
- qp->lock_conflict.free_pub_pool,
- qp->lock_conflict.wq_access);
- } else {
- len += scnprintf(buf + len, size - len,
- "get:%d put:%d free:%d wq:%d\n",
- qp->lock_conflict.alloc_xri_get,
- qp->lock_conflict.alloc_xri_put,
- qp->lock_conflict.free_xri,
- qp->lock_conflict.wq_access);
- }
- lpfc_debugfs_last_lock++;
- if (lpfc_debugfs_last_lock >= phba->cfg_hdw_queue)
- lpfc_debugfs_last_lock = 0;
- }
- return len;
- }
- #endif
- static int lpfc_debugfs_last_hba_slim_off;
- /**
- * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
- * @phba: The HBA to gather SLIM info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the current contents of HBA SLIM for the HBA associated
- * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
- *
- * Notes:
- * This routine will only dump up to 1024 bytes of data each time called and
- * should be called multiple times to dump the entire HBA SLIM.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
- {
- int len = 0;
- int i, off;
- uint32_t *ptr;
- char *buffer;
- buffer = kmalloc(1024, GFP_KERNEL);
- if (!buffer)
- return 0;
- off = 0;
- spin_lock_irq(&phba->hbalock);
- len += scnprintf(buf+len, size-len, "HBA SLIM\n");
- lpfc_memcpy_from_slim(buffer,
- phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
- ptr = (uint32_t *)&buffer[0];
- off = lpfc_debugfs_last_hba_slim_off;
- /* Set it up for the next time */
- lpfc_debugfs_last_hba_slim_off += 1024;
- if (lpfc_debugfs_last_hba_slim_off >= 4096)
- lpfc_debugfs_last_hba_slim_off = 0;
- i = 1024;
- while (i > 0) {
- len += scnprintf(buf+len, size-len,
- "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
- off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
- *(ptr+5), *(ptr+6), *(ptr+7));
- ptr += 8;
- i -= (8 * sizeof(uint32_t));
- off += (8 * sizeof(uint32_t));
- }
- spin_unlock_irq(&phba->hbalock);
- kfree(buffer);
- return len;
- }
- /**
- * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
- * @phba: The HBA to gather Host SLIM info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the current contents of host SLIM for the host associated
- * with @phba to @buf up to @size bytes of data. The dump will contain the
- * Mailbox, PCB, Rings, and Registers that are located in host memory.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
- {
- int len = 0;
- int i, off;
- uint32_t word0, word1, word2, word3;
- uint32_t *ptr;
- struct lpfc_pgp *pgpp;
- struct lpfc_sli *psli = &phba->sli;
- struct lpfc_sli_ring *pring;
- off = 0;
- spin_lock_irq(&phba->hbalock);
- len += scnprintf(buf+len, size-len, "SLIM Mailbox\n");
- ptr = (uint32_t *)phba->slim2p.virt;
- i = sizeof(MAILBOX_t);
- while (i > 0) {
- len += scnprintf(buf+len, size-len,
- "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
- off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
- *(ptr+5), *(ptr+6), *(ptr+7));
- ptr += 8;
- i -= (8 * sizeof(uint32_t));
- off += (8 * sizeof(uint32_t));
- }
- len += scnprintf(buf+len, size-len, "SLIM PCB\n");
- ptr = (uint32_t *)phba->pcb;
- i = sizeof(PCB_t);
- while (i > 0) {
- len += scnprintf(buf+len, size-len,
- "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
- off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
- *(ptr+5), *(ptr+6), *(ptr+7));
- ptr += 8;
- i -= (8 * sizeof(uint32_t));
- off += (8 * sizeof(uint32_t));
- }
- if (phba->sli_rev <= LPFC_SLI_REV3) {
- for (i = 0; i < 4; i++) {
- pgpp = &phba->port_gp[i];
- pring = &psli->sli3_ring[i];
- len += scnprintf(buf+len, size-len,
- "Ring %d: CMD GetInx:%d "
- "(Max:%d Next:%d "
- "Local:%d flg:x%x) "
- "RSP PutInx:%d Max:%d\n",
- i, pgpp->cmdGetInx,
- pring->sli.sli3.numCiocb,
- pring->sli.sli3.next_cmdidx,
- pring->sli.sli3.local_getidx,
- pring->flag, pgpp->rspPutInx,
- pring->sli.sli3.numRiocb);
- }
- word0 = readl(phba->HAregaddr);
- word1 = readl(phba->CAregaddr);
- word2 = readl(phba->HSregaddr);
- word3 = readl(phba->HCregaddr);
- len += scnprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
- "HC:%08x\n", word0, word1, word2, word3);
- }
- spin_unlock_irq(&phba->hbalock);
- return len;
- }
- /**
- * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
- * @vport: The vport to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the current target node list associated with @vport to
- * @buf up to @size bytes of data. Each node entry in the dump will contain a
- * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
- {
- int len = 0;
- int i, iocnt, outio, cnt;
- struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_nodelist *ndlp;
- unsigned char *statep;
- struct nvme_fc_local_port *localport;
- struct nvme_fc_remote_port *nrport = NULL;
- struct lpfc_nvme_rport *rport;
- cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
- outio = 0;
- len += scnprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n");
- spin_lock_irq(shost->host_lock);
- list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
- iocnt = 0;
- if (!cnt) {
- len += scnprintf(buf+len, size-len,
- "Missing Nodelist Entries\n");
- break;
- }
- cnt--;
- switch (ndlp->nlp_state) {
- case NLP_STE_UNUSED_NODE:
- statep = "UNUSED";
- break;
- case NLP_STE_PLOGI_ISSUE:
- statep = "PLOGI ";
- break;
- case NLP_STE_ADISC_ISSUE:
- statep = "ADISC ";
- break;
- case NLP_STE_REG_LOGIN_ISSUE:
- statep = "REGLOG";
- break;
- case NLP_STE_PRLI_ISSUE:
- statep = "PRLI ";
- break;
- case NLP_STE_LOGO_ISSUE:
- statep = "LOGO ";
- break;
- case NLP_STE_UNMAPPED_NODE:
- statep = "UNMAP ";
- iocnt = 1;
- break;
- case NLP_STE_MAPPED_NODE:
- statep = "MAPPED";
- iocnt = 1;
- break;
- case NLP_STE_NPR_NODE:
- statep = "NPR ";
- break;
- default:
- statep = "UNKNOWN";
- }
- len += scnprintf(buf+len, size-len, "%s DID:x%06x ",
- statep, ndlp->nlp_DID);
- len += scnprintf(buf+len, size-len,
- "WWPN x%llx ",
- wwn_to_u64(ndlp->nlp_portname.u.wwn));
- len += scnprintf(buf+len, size-len,
- "WWNN x%llx ",
- wwn_to_u64(ndlp->nlp_nodename.u.wwn));
- if (ndlp->nlp_flag & NLP_RPI_REGISTERED)
- len += scnprintf(buf+len, size-len, "RPI:%03d ",
- ndlp->nlp_rpi);
- else
- len += scnprintf(buf+len, size-len, "RPI:none ");
- len += scnprintf(buf+len, size-len, "flag:x%08x ",
- ndlp->nlp_flag);
- if (!ndlp->nlp_type)
- len += scnprintf(buf+len, size-len, "UNKNOWN_TYPE ");
- if (ndlp->nlp_type & NLP_FC_NODE)
- len += scnprintf(buf+len, size-len, "FC_NODE ");
- if (ndlp->nlp_type & NLP_FABRIC) {
- len += scnprintf(buf+len, size-len, "FABRIC ");
- iocnt = 0;
- }
- if (ndlp->nlp_type & NLP_FCP_TARGET)
- len += scnprintf(buf+len, size-len, "FCP_TGT sid:%d ",
- ndlp->nlp_sid);
- if (ndlp->nlp_type & NLP_FCP_INITIATOR)
- len += scnprintf(buf+len, size-len, "FCP_INITIATOR ");
- if (ndlp->nlp_type & NLP_NVME_TARGET)
- len += scnprintf(buf + len,
- size - len, "NVME_TGT sid:%d ",
- NLP_NO_SID);
- if (ndlp->nlp_type & NLP_NVME_INITIATOR)
- len += scnprintf(buf + len,
- size - len, "NVME_INITIATOR ");
- len += scnprintf(buf+len, size-len, "usgmap:%x ",
- ndlp->nlp_usg_map);
- len += scnprintf(buf+len, size-len, "refcnt:%x",
- kref_read(&ndlp->kref));
- if (iocnt) {
- i = atomic_read(&ndlp->cmd_pending);
- len += scnprintf(buf + len, size - len,
- " OutIO:x%x Qdepth x%x",
- i, ndlp->cmd_qdepth);
- outio += i;
- }
- len += scnprintf(buf + len, size - len, "defer:%x ",
- ndlp->nlp_defer_did);
- len += scnprintf(buf+len, size-len, "\n");
- }
- spin_unlock_irq(shost->host_lock);
- len += scnprintf(buf + len, size - len,
- "\nOutstanding IO x%x\n", outio);
- if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) {
- len += scnprintf(buf + len, size - len,
- "\nNVME Targetport Entry ...\n");
- /* Port state is only one of two values for now. */
- if (phba->targetport->port_id)
- statep = "REGISTERED";
- else
- statep = "INIT";
- len += scnprintf(buf + len, size - len,
- "TGT WWNN x%llx WWPN x%llx State %s\n",
- wwn_to_u64(vport->fc_nodename.u.wwn),
- wwn_to_u64(vport->fc_portname.u.wwn),
- statep);
- len += scnprintf(buf + len, size - len,
- " Targetport DID x%06x\n",
- phba->targetport->port_id);
- goto out_exit;
- }
- len += scnprintf(buf + len, size - len,
- "\nNVME Lport/Rport Entries ...\n");
- localport = vport->localport;
- if (!localport)
- goto out_exit;
- spin_lock_irq(shost->host_lock);
- /* Port state is only one of two values for now. */
- if (localport->port_id)
- statep = "ONLINE";
- else
- statep = "UNKNOWN ";
- len += scnprintf(buf + len, size - len,
- "Lport DID x%06x PortState %s\n",
- localport->port_id, statep);
- len += scnprintf(buf + len, size - len, "\tRport List:\n");
- list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
- /* local short-hand pointer. */
- spin_lock(&phba->hbalock);
- rport = lpfc_ndlp_get_nrport(ndlp);
- if (rport)
- nrport = rport->remoteport;
- else
- nrport = NULL;
- spin_unlock(&phba->hbalock);
- if (!nrport)
- continue;
- /* Port state is only one of two values for now. */
- switch (nrport->port_state) {
- case FC_OBJSTATE_ONLINE:
- statep = "ONLINE";
- break;
- case FC_OBJSTATE_UNKNOWN:
- statep = "UNKNOWN ";
- break;
- default:
- statep = "UNSUPPORTED";
- break;
- }
- /* Tab in to show lport ownership. */
- len += scnprintf(buf + len, size - len,
- "\t%s Port ID:x%06x ",
- statep, nrport->port_id);
- len += scnprintf(buf + len, size - len, "WWPN x%llx ",
- nrport->port_name);
- len += scnprintf(buf + len, size - len, "WWNN x%llx ",
- nrport->node_name);
- /* An NVME rport can have multiple roles. */
- if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR)
- len += scnprintf(buf + len, size - len,
- "INITIATOR ");
- if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET)
- len += scnprintf(buf + len, size - len,
- "TARGET ");
- if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY)
- len += scnprintf(buf + len, size - len,
- "DISCSRVC ");
- if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
- FC_PORT_ROLE_NVME_TARGET |
- FC_PORT_ROLE_NVME_DISCOVERY))
- len += scnprintf(buf + len, size - len,
- "UNKNOWN ROLE x%x",
- nrport->port_role);
- /* Terminate the string. */
- len += scnprintf(buf + len, size - len, "\n");
- }
- spin_unlock_irq(shost->host_lock);
- out_exit:
- return len;
- }
- /**
- * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer
- * @vport: The vport to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the NVME statistics associated with @vport
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
- {
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_nvmet_tgtport *tgtp;
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
- struct nvme_fc_local_port *localport;
- struct lpfc_fc4_ctrl_stat *cstat;
- struct lpfc_nvme_lport *lport;
- uint64_t data1, data2, data3;
- uint64_t tot, totin, totout;
- int cnt, i;
- int len = 0;
- if (phba->nvmet_support) {
- if (!phba->targetport)
- return len;
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- len += scnprintf(buf + len, size - len,
- "\nNVME Targetport Statistics\n");
- len += scnprintf(buf + len, size - len,
- "LS: Rcv %08x Drop %08x Abort %08x\n",
- atomic_read(&tgtp->rcv_ls_req_in),
- atomic_read(&tgtp->rcv_ls_req_drop),
- atomic_read(&tgtp->xmt_ls_abort));
- if (atomic_read(&tgtp->rcv_ls_req_in) !=
- atomic_read(&tgtp->rcv_ls_req_out)) {
- len += scnprintf(buf + len, size - len,
- "Rcv LS: in %08x != out %08x\n",
- atomic_read(&tgtp->rcv_ls_req_in),
- atomic_read(&tgtp->rcv_ls_req_out));
- }
- len += scnprintf(buf + len, size - len,
- "LS: Xmt %08x Drop %08x Cmpl %08x\n",
- atomic_read(&tgtp->xmt_ls_rsp),
- atomic_read(&tgtp->xmt_ls_drop),
- atomic_read(&tgtp->xmt_ls_rsp_cmpl));
- len += scnprintf(buf + len, size - len,
- "LS: RSP Abort %08x xb %08x Err %08x\n",
- atomic_read(&tgtp->xmt_ls_rsp_aborted),
- atomic_read(&tgtp->xmt_ls_rsp_xb_set),
- atomic_read(&tgtp->xmt_ls_rsp_error));
- len += scnprintf(buf + len, size - len,
- "FCP: Rcv %08x Defer %08x Release %08x "
- "Drop %08x\n",
- atomic_read(&tgtp->rcv_fcp_cmd_in),
- atomic_read(&tgtp->rcv_fcp_cmd_defer),
- atomic_read(&tgtp->xmt_fcp_release),
- atomic_read(&tgtp->rcv_fcp_cmd_drop));
- if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
- atomic_read(&tgtp->rcv_fcp_cmd_out)) {
- len += scnprintf(buf + len, size - len,
- "Rcv FCP: in %08x != out %08x\n",
- atomic_read(&tgtp->rcv_fcp_cmd_in),
- atomic_read(&tgtp->rcv_fcp_cmd_out));
- }
- len += scnprintf(buf + len, size - len,
- "FCP Rsp: read %08x readrsp %08x "
- "write %08x rsp %08x\n",
- atomic_read(&tgtp->xmt_fcp_read),
- atomic_read(&tgtp->xmt_fcp_read_rsp),
- atomic_read(&tgtp->xmt_fcp_write),
- atomic_read(&tgtp->xmt_fcp_rsp));
- len += scnprintf(buf + len, size - len,
- "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
- atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
- atomic_read(&tgtp->xmt_fcp_rsp_error),
- atomic_read(&tgtp->xmt_fcp_rsp_drop));
- len += scnprintf(buf + len, size - len,
- "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
- atomic_read(&tgtp->xmt_fcp_rsp_aborted),
- atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
- atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
- len += scnprintf(buf + len, size - len,
- "ABORT: Xmt %08x Cmpl %08x\n",
- atomic_read(&tgtp->xmt_fcp_abort),
- atomic_read(&tgtp->xmt_fcp_abort_cmpl));
- len += scnprintf(buf + len, size - len,
- "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
- atomic_read(&tgtp->xmt_abort_sol),
- atomic_read(&tgtp->xmt_abort_unsol),
- atomic_read(&tgtp->xmt_abort_rsp),
- atomic_read(&tgtp->xmt_abort_rsp_error));
- len += scnprintf(buf + len, size - len, "\n");
- cnt = 0;
- spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
- list_for_each_entry_safe(ctxp, next_ctxp,
- &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
- list) {
- cnt++;
- }
- spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
- if (cnt) {
- len += scnprintf(buf + len, size - len,
- "ABORT: %d ctx entries\n", cnt);
- spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
- list_for_each_entry_safe(ctxp, next_ctxp,
- &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
- list) {
- if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ))
- break;
- len += scnprintf(buf + len, size - len,
- "Entry: oxid %x state %x "
- "flag %x\n",
- ctxp->oxid, ctxp->state,
- ctxp->flag);
- }
- spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
- }
- /* Calculate outstanding IOs */
- tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
- tot += atomic_read(&tgtp->xmt_fcp_release);
- tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
- len += scnprintf(buf + len, size - len,
- "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
- "CTX Outstanding %08llx\n",
- phba->sli4_hba.nvmet_xri_cnt,
- phba->sli4_hba.nvmet_io_wait_cnt,
- phba->sli4_hba.nvmet_io_wait_total,
- tot);
- } else {
- if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
- return len;
- localport = vport->localport;
- if (!localport)
- return len;
- lport = (struct lpfc_nvme_lport *)localport->private;
- if (!lport)
- return len;
- len += scnprintf(buf + len, size - len,
- "\nNVME HDWQ Statistics\n");
- len += scnprintf(buf + len, size - len,
- "LS: Xmt %016x Cmpl %016x\n",
- atomic_read(&lport->fc4NvmeLsRequests),
- atomic_read(&lport->fc4NvmeLsCmpls));
- totin = 0;
- totout = 0;
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
- tot = cstat->io_cmpls;
- totin += tot;
- data1 = cstat->input_requests;
- data2 = cstat->output_requests;
- data3 = cstat->control_requests;
- totout += (data1 + data2 + data3);
- /* Limit to 32, debugfs display buffer limitation */
- if (i >= 32)
- continue;
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "HDWQ (%d): Rd %016llx Wr %016llx "
- "IO %016llx ",
- i, data1, data2, data3);
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "Cmpl %016llx OutIO %016llx\n",
- tot, ((data1 + data2 + data3) - tot));
- }
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "Total FCP Cmpl %016llx Issue %016llx "
- "OutIO %016llx\n",
- totin, totout, totout - totin);
- len += scnprintf(buf + len, size - len,
- "LS Xmt Err: Abrt %08x Err %08x "
- "Cmpl Err: xb %08x Err %08x\n",
- atomic_read(&lport->xmt_ls_abort),
- atomic_read(&lport->xmt_ls_err),
- atomic_read(&lport->cmpl_ls_xb),
- atomic_read(&lport->cmpl_ls_err));
- len += scnprintf(buf + len, size - len,
- "FCP Xmt Err: noxri %06x nondlp %06x "
- "qdepth %06x wqerr %06x err %06x Abrt %06x\n",
- atomic_read(&lport->xmt_fcp_noxri),
- atomic_read(&lport->xmt_fcp_bad_ndlp),
- atomic_read(&lport->xmt_fcp_qdepth),
- atomic_read(&lport->xmt_fcp_wqerr),
- atomic_read(&lport->xmt_fcp_err),
- atomic_read(&lport->xmt_fcp_abort));
- len += scnprintf(buf + len, size - len,
- "FCP Cmpl Err: xb %08x Err %08x\n",
- atomic_read(&lport->cmpl_fcp_xb),
- atomic_read(&lport->cmpl_fcp_err));
- }
- return len;
- }
- /**
- * lpfc_debugfs_scsistat_data - Dump target node list to a buffer
- * @vport: The vport to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the SCSI statistics associated with @vport
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_scsistat_data(struct lpfc_vport *vport, char *buf, int size)
- {
- int len;
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_fc4_ctrl_stat *cstat;
- u64 data1, data2, data3;
- u64 tot, totin, totout;
- int i;
- char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
- if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
- (phba->sli_rev != LPFC_SLI_REV4))
- return 0;
- scnprintf(buf, size, "SCSI HDWQ Statistics\n");
- totin = 0;
- totout = 0;
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
- tot = cstat->io_cmpls;
- totin += tot;
- data1 = cstat->input_requests;
- data2 = cstat->output_requests;
- data3 = cstat->control_requests;
- totout += (data1 + data2 + data3);
- scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
- "IO %016llx ", i, data1, data2, data3);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
- tot, ((data1 + data2 + data3) - tot));
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- }
- scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
- "OutIO %016llx\n", totin, totout, totout - totin);
- strlcat(buf, tmp, size);
- buffer_done:
- len = strnlen(buf, size);
- return len;
- }
- void
- lpfc_io_ktime(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd)
- {
- uint64_t seg1, seg2, seg3, seg4;
- uint64_t segsum;
- if (!lpfc_cmd->ts_last_cmd ||
- !lpfc_cmd->ts_cmd_start ||
- !lpfc_cmd->ts_cmd_wqput ||
- !lpfc_cmd->ts_isr_cmpl ||
- !lpfc_cmd->ts_data_io)
- return;
- if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_cmd_start)
- return;
- if (lpfc_cmd->ts_cmd_start < lpfc_cmd->ts_last_cmd)
- return;
- if (lpfc_cmd->ts_cmd_wqput < lpfc_cmd->ts_cmd_start)
- return;
- if (lpfc_cmd->ts_isr_cmpl < lpfc_cmd->ts_cmd_wqput)
- return;
- if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_isr_cmpl)
- return;
- /*
- * Segment 1 - Time from Last FCP command cmpl is handed
- * off to NVME Layer to start of next command.
- * Segment 2 - Time from Driver receives a IO cmd start
- * from NVME Layer to WQ put is done on IO cmd.
- * Segment 3 - Time from Driver WQ put is done on IO cmd
- * to MSI-X ISR for IO cmpl.
- * Segment 4 - Time from MSI-X ISR for IO cmpl to when
- * cmpl is handled off to the NVME Layer.
- */
- seg1 = lpfc_cmd->ts_cmd_start - lpfc_cmd->ts_last_cmd;
- if (seg1 > 5000000) /* 5 ms - for sequential IOs only */
- seg1 = 0;
- /* Calculate times relative to start of IO */
- seg2 = (lpfc_cmd->ts_cmd_wqput - lpfc_cmd->ts_cmd_start);
- segsum = seg2;
- seg3 = lpfc_cmd->ts_isr_cmpl - lpfc_cmd->ts_cmd_start;
- if (segsum > seg3)
- return;
- seg3 -= segsum;
- segsum += seg3;
- seg4 = lpfc_cmd->ts_data_io - lpfc_cmd->ts_cmd_start;
- if (segsum > seg4)
- return;
- seg4 -= segsum;
- phba->ktime_data_samples++;
- phba->ktime_seg1_total += seg1;
- if (seg1 < phba->ktime_seg1_min)
- phba->ktime_seg1_min = seg1;
- else if (seg1 > phba->ktime_seg1_max)
- phba->ktime_seg1_max = seg1;
- phba->ktime_seg2_total += seg2;
- if (seg2 < phba->ktime_seg2_min)
- phba->ktime_seg2_min = seg2;
- else if (seg2 > phba->ktime_seg2_max)
- phba->ktime_seg2_max = seg2;
- phba->ktime_seg3_total += seg3;
- if (seg3 < phba->ktime_seg3_min)
- phba->ktime_seg3_min = seg3;
- else if (seg3 > phba->ktime_seg3_max)
- phba->ktime_seg3_max = seg3;
- phba->ktime_seg4_total += seg4;
- if (seg4 < phba->ktime_seg4_min)
- phba->ktime_seg4_min = seg4;
- else if (seg4 > phba->ktime_seg4_max)
- phba->ktime_seg4_max = seg4;
- lpfc_cmd->ts_last_cmd = 0;
- lpfc_cmd->ts_cmd_start = 0;
- lpfc_cmd->ts_cmd_wqput = 0;
- lpfc_cmd->ts_isr_cmpl = 0;
- lpfc_cmd->ts_data_io = 0;
- }
- /**
- * lpfc_debugfs_ioktime_data - Dump target node list to a buffer
- * @vport: The vport to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the NVME statistics associated with @vport
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_ioktime_data(struct lpfc_vport *vport, char *buf, int size)
- {
- struct lpfc_hba *phba = vport->phba;
- int len = 0;
- if (phba->nvmet_support == 0) {
- /* Initiator */
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "ktime %s: Total Samples: %lld\n",
- (phba->ktime_on ? "Enabled" : "Disabled"),
- phba->ktime_data_samples);
- if (phba->ktime_data_samples == 0)
- return len;
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "Segment 1: Last Cmd cmpl "
- "done -to- Start of next Cmd (in driver)\n");
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg1_total,
- phba->ktime_data_samples),
- phba->ktime_seg1_min,
- phba->ktime_seg1_max);
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "Segment 2: Driver start of Cmd "
- "-to- Firmware WQ doorbell\n");
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg2_total,
- phba->ktime_data_samples),
- phba->ktime_seg2_min,
- phba->ktime_seg2_max);
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "Segment 3: Firmware WQ doorbell -to- "
- "MSI-X ISR cmpl\n");
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg3_total,
- phba->ktime_data_samples),
- phba->ktime_seg3_min,
- phba->ktime_seg3_max);
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "Segment 4: MSI-X ISR cmpl -to- "
- "Cmd cmpl done\n");
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg4_total,
- phba->ktime_data_samples),
- phba->ktime_seg4_min,
- phba->ktime_seg4_max);
- len += scnprintf(
- buf + len, PAGE_SIZE - len,
- "Total IO avg time: %08lld\n",
- div_u64(phba->ktime_seg1_total +
- phba->ktime_seg2_total +
- phba->ktime_seg3_total +
- phba->ktime_seg4_total,
- phba->ktime_data_samples));
- return len;
- }
- /* NVME Target */
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "ktime %s: Total Samples: %lld %lld\n",
- (phba->ktime_on ? "Enabled" : "Disabled"),
- phba->ktime_data_samples,
- phba->ktime_status_samples);
- if (phba->ktime_data_samples == 0)
- return len;
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 1: MSI-X ISR Rcv cmd -to- "
- "cmd pass to NVME Layer\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg1_total,
- phba->ktime_data_samples),
- phba->ktime_seg1_min,
- phba->ktime_seg1_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 2: cmd pass to NVME Layer- "
- "-to- Driver rcv cmd OP (action)\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg2_total,
- phba->ktime_data_samples),
- phba->ktime_seg2_min,
- phba->ktime_seg2_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 3: Driver rcv cmd OP -to- "
- "Firmware WQ doorbell: cmd\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg3_total,
- phba->ktime_data_samples),
- phba->ktime_seg3_min,
- phba->ktime_seg3_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 4: Firmware WQ doorbell: cmd "
- "-to- MSI-X ISR for cmd cmpl\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg4_total,
- phba->ktime_data_samples),
- phba->ktime_seg4_min,
- phba->ktime_seg4_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 5: MSI-X ISR for cmd cmpl "
- "-to- NVME layer passed cmd done\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg5_total,
- phba->ktime_data_samples),
- phba->ktime_seg5_min,
- phba->ktime_seg5_max);
- if (phba->ktime_status_samples == 0) {
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Total: cmd received by MSI-X ISR "
- "-to- cmd completed on wire\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld "
- "max %08lld\n",
- div_u64(phba->ktime_seg10_total,
- phba->ktime_data_samples),
- phba->ktime_seg10_min,
- phba->ktime_seg10_max);
- return len;
- }
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 6: NVME layer passed cmd done "
- "-to- Driver rcv rsp status OP\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg6_total,
- phba->ktime_status_samples),
- phba->ktime_seg6_min,
- phba->ktime_seg6_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 7: Driver rcv rsp status OP "
- "-to- Firmware WQ doorbell: status\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg7_total,
- phba->ktime_status_samples),
- phba->ktime_seg7_min,
- phba->ktime_seg7_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 8: Firmware WQ doorbell: status"
- " -to- MSI-X ISR for status cmpl\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg8_total,
- phba->ktime_status_samples),
- phba->ktime_seg8_min,
- phba->ktime_seg8_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Segment 9: MSI-X ISR for status cmpl "
- "-to- NVME layer passed status done\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg9_total,
- phba->ktime_status_samples),
- phba->ktime_seg9_min,
- phba->ktime_seg9_max);
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "Total: cmd received by MSI-X ISR -to- "
- "cmd completed on wire\n");
- len += scnprintf(buf + len, PAGE_SIZE-len,
- "avg:%08lld min:%08lld max %08lld\n",
- div_u64(phba->ktime_seg10_total,
- phba->ktime_status_samples),
- phba->ktime_seg10_min,
- phba->ktime_seg10_max);
- return len;
- }
- /**
- * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer
- * @phba: The phba to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the NVME IO trace associated with @phba
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size)
- {
- struct lpfc_debugfs_nvmeio_trc *dtp;
- int i, state, index, skip;
- int len = 0;
- state = phba->nvmeio_trc_on;
- index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) &
- (phba->nvmeio_trc_size - 1);
- skip = phba->nvmeio_trc_output_idx;
- len += scnprintf(buf + len, size - len,
- "%s IO Trace %s: next_idx %d skip %d size %d\n",
- (phba->nvmet_support ? "NVME" : "NVMET"),
- (state ? "Enabled" : "Disabled"),
- index, skip, phba->nvmeio_trc_size);
- if (!phba->nvmeio_trc || state)
- return len;
- /* trace MUST bhe off to continue */
- for (i = index; i < phba->nvmeio_trc_size; i++) {
- if (skip) {
- skip--;
- continue;
- }
- dtp = phba->nvmeio_trc + i;
- phba->nvmeio_trc_output_idx++;
- if (!dtp->fmt)
- continue;
- len += scnprintf(buf + len, size - len, dtp->fmt,
- dtp->data1, dtp->data2, dtp->data3);
- if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
- phba->nvmeio_trc_output_idx = 0;
- len += scnprintf(buf + len, size - len,
- "Trace Complete\n");
- goto out;
- }
- if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
- len += scnprintf(buf + len, size - len,
- "Trace Continue (%d of %d)\n",
- phba->nvmeio_trc_output_idx,
- phba->nvmeio_trc_size);
- goto out;
- }
- }
- for (i = 0; i < index; i++) {
- if (skip) {
- skip--;
- continue;
- }
- dtp = phba->nvmeio_trc + i;
- phba->nvmeio_trc_output_idx++;
- if (!dtp->fmt)
- continue;
- len += scnprintf(buf + len, size - len, dtp->fmt,
- dtp->data1, dtp->data2, dtp->data3);
- if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
- phba->nvmeio_trc_output_idx = 0;
- len += scnprintf(buf + len, size - len,
- "Trace Complete\n");
- goto out;
- }
- if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
- len += scnprintf(buf + len, size - len,
- "Trace Continue (%d of %d)\n",
- phba->nvmeio_trc_output_idx,
- phba->nvmeio_trc_size);
- goto out;
- }
- }
- len += scnprintf(buf + len, size - len,
- "Trace Done\n");
- out:
- return len;
- }
- /**
- * lpfc_debugfs_hdwqstat_data - Dump I/O stats to a buffer
- * @vport: The vport to gather target node info from.
- * @buf: The buffer to dump log into.
- * @size: The maximum amount of data to process.
- *
- * Description:
- * This routine dumps the NVME + SCSI statistics associated with @vport
- *
- * Return Value:
- * This routine returns the amount of bytes that were dumped into @buf and will
- * not exceed @size.
- **/
- static int
- lpfc_debugfs_hdwqstat_data(struct lpfc_vport *vport, char *buf, int size)
- {
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_sli4_hdw_queue *qp;
- struct lpfc_hdwq_stat *c_stat;
- int i, j, len;
- uint32_t tot_xmt;
- uint32_t tot_rcv;
- uint32_t tot_cmpl;
- char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
- scnprintf(tmp, sizeof(tmp), "HDWQ Stats:\n\n");
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- scnprintf(tmp, sizeof(tmp), "(NVME Accounting: %s) ",
- (phba->hdwqstat_on &
- (LPFC_CHECK_NVME_IO | LPFC_CHECK_NVMET_IO) ?
- "Enabled" : "Disabled"));
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- scnprintf(tmp, sizeof(tmp), "(SCSI Accounting: %s) ",
- (phba->hdwqstat_on & LPFC_CHECK_SCSI_IO ?
- "Enabled" : "Disabled"));
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- scnprintf(tmp, sizeof(tmp), "\n\n");
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- qp = &phba->sli4_hba.hdwq[i];
- tot_rcv = 0;
- tot_xmt = 0;
- tot_cmpl = 0;
- for_each_present_cpu(j) {
- c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, j);
- /* Only display for this HDWQ */
- if (i != c_stat->hdwq_no)
- continue;
- /* Only display non-zero counters */
- if (!c_stat->xmt_io && !c_stat->cmpl_io &&
- !c_stat->rcv_io)
- continue;
- if (!tot_xmt && !tot_cmpl && !tot_rcv) {
- /* Print HDWQ string only the first time */
- scnprintf(tmp, sizeof(tmp), "[HDWQ %d]:\t", i);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- }
- tot_xmt += c_stat->xmt_io;
- tot_cmpl += c_stat->cmpl_io;
- if (phba->nvmet_support)
- tot_rcv += c_stat->rcv_io;
- scnprintf(tmp, sizeof(tmp), "| [CPU %d]: ", j);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- if (phba->nvmet_support) {
- scnprintf(tmp, sizeof(tmp),
- "XMT 0x%x CMPL 0x%x RCV 0x%x |",
- c_stat->xmt_io, c_stat->cmpl_io,
- c_stat->rcv_io);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- } else {
- scnprintf(tmp, sizeof(tmp),
- "XMT 0x%x CMPL 0x%x |",
- c_stat->xmt_io, c_stat->cmpl_io);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- }
- }
- /* Check if nothing to display */
- if (!tot_xmt && !tot_cmpl && !tot_rcv)
- continue;
- scnprintf(tmp, sizeof(tmp), "\t->\t[HDWQ Total: ");
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- if (phba->nvmet_support) {
- scnprintf(tmp, sizeof(tmp),
- "XMT 0x%x CMPL 0x%x RCV 0x%x]\n\n",
- tot_xmt, tot_cmpl, tot_rcv);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- } else {
- scnprintf(tmp, sizeof(tmp),
- "XMT 0x%x CMPL 0x%x]\n\n",
- tot_xmt, tot_cmpl);
- if (strlcat(buf, tmp, size) >= size)
- goto buffer_done;
- }
- }
- buffer_done:
- len = strnlen(buf, size);
- return len;
- }
- #endif
- /**
- * lpfc_debugfs_disc_trc - Store discovery trace log
- * @vport: The vport to associate this trace string with for retrieval.
- * @mask: Log entry classification.
- * @fmt: Format string to be displayed when dumping the log.
- * @data1: 1st data parameter to be applied to @fmt.
- * @data2: 2nd data parameter to be applied to @fmt.
- * @data3: 3rd data parameter to be applied to @fmt.
- *
- * Description:
- * This routine is used by the driver code to add a debugfs log entry to the
- * discovery trace buffer associated with @vport. Only entries with a @mask that
- * match the current debugfs discovery mask will be saved. Entries that do not
- * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
- * printf when displaying the log.
- **/
- inline void
- lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
- uint32_t data1, uint32_t data2, uint32_t data3)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- struct lpfc_debugfs_trc *dtp;
- int index;
- if (!(lpfc_debugfs_mask_disc_trc & mask))
- return;
- if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
- !vport || !vport->disc_trc)
- return;
- index = atomic_inc_return(&vport->disc_trc_cnt) &
- (lpfc_debugfs_max_disc_trc - 1);
- dtp = vport->disc_trc + index;
- dtp->fmt = fmt;
- dtp->data1 = data1;
- dtp->data2 = data2;
- dtp->data3 = data3;
- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
- dtp->jif = jiffies;
- #endif
- return;
- }
- /**
- * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
- * @phba: The phba to associate this trace string with for retrieval.
- * @fmt: Format string to be displayed when dumping the log.
- * @data1: 1st data parameter to be applied to @fmt.
- * @data2: 2nd data parameter to be applied to @fmt.
- * @data3: 3rd data parameter to be applied to @fmt.
- *
- * Description:
- * This routine is used by the driver code to add a debugfs log entry to the
- * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
- * @data3 are used like printf when displaying the log.
- **/
- inline void
- lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
- uint32_t data1, uint32_t data2, uint32_t data3)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- struct lpfc_debugfs_trc *dtp;
- int index;
- if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
- !phba || !phba->slow_ring_trc)
- return;
- index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
- (lpfc_debugfs_max_slow_ring_trc - 1);
- dtp = phba->slow_ring_trc + index;
- dtp->fmt = fmt;
- dtp->data1 = data1;
- dtp->data2 = data2;
- dtp->data3 = data3;
- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
- dtp->jif = jiffies;
- #endif
- return;
- }
- /**
- * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log
- * @phba: The phba to associate this trace string with for retrieval.
- * @fmt: Format string to be displayed when dumping the log.
- * @data1: 1st data parameter to be applied to @fmt.
- * @data2: 2nd data parameter to be applied to @fmt.
- * @data3: 3rd data parameter to be applied to @fmt.
- *
- * Description:
- * This routine is used by the driver code to add a debugfs log entry to the
- * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and
- * @data3 are used like printf when displaying the log.
- **/
- inline void
- lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
- uint16_t data1, uint16_t data2, uint32_t data3)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- struct lpfc_debugfs_nvmeio_trc *dtp;
- int index;
- if (!phba->nvmeio_trc_on || !phba->nvmeio_trc)
- return;
- index = atomic_inc_return(&phba->nvmeio_trc_cnt) &
- (phba->nvmeio_trc_size - 1);
- dtp = phba->nvmeio_trc + index;
- dtp->fmt = fmt;
- dtp->data1 = data1;
- dtp->data2 = data2;
- dtp->data3 = data3;
- #endif
- }
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- /**
- * lpfc_debugfs_disc_trc_open - Open the discovery trace log
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int size;
- int rc = -ENOMEM;
- if (!lpfc_debugfs_max_disc_trc) {
- rc = -ENOSPC;
- goto out;
- }
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
- size = PAGE_ALIGN(size);
- debug->buffer = kmalloc(size, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int size;
- int rc = -ENOMEM;
- if (!lpfc_debugfs_max_slow_ring_trc) {
- rc = -ENOSPC;
- goto out;
- }
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
- size = PAGE_ALIGN(size);
- debug->buffer = kmalloc(size, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
- LPFC_HBQINFO_SIZE);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_multixripools_open - Open the multixripool debugfs buffer
- * @inode: The inode pointer that contains a hba pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the hba from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this hba, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_multixripools_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kzalloc(LPFC_DUMP_MULTIXRIPOOL_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_multixripools_data(
- phba, debug->buffer, LPFC_DUMP_MULTIXRIPOOL_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- #ifdef LPFC_HDWQ_LOCK_STAT
- /**
- * lpfc_debugfs_lockstat_open - Open the lockstat debugfs buffer
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_lockstat_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_HDWQINFO_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_lockstat_data(phba, debug->buffer,
- LPFC_HBQINFO_SIZE);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- struct lpfc_sli4_hdw_queue *qp;
- char mybuf[64];
- char *pbuf;
- int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
- (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- qp = &phba->sli4_hba.hdwq[i];
- qp->lock_conflict.alloc_xri_get = 0;
- qp->lock_conflict.alloc_xri_put = 0;
- qp->lock_conflict.free_xri = 0;
- qp->lock_conflict.wq_access = 0;
- qp->lock_conflict.alloc_pvt_pool = 0;
- qp->lock_conflict.mv_from_pvt_pool = 0;
- qp->lock_conflict.mv_to_pub_pool = 0;
- qp->lock_conflict.mv_to_pvt_pool = 0;
- qp->lock_conflict.free_pvt_pool = 0;
- qp->lock_conflict.free_pub_pool = 0;
- qp->lock_conflict.wq_access = 0;
- }
- }
- return nbytes;
- }
- #endif
- static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba,
- char *buffer, int size)
- {
- int copied = 0;
- struct lpfc_dmabuf *dmabuf, *next;
- memset(buffer, 0, size);
- spin_lock_irq(&phba->hbalock);
- if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
- return -EINVAL;
- }
- spin_unlock_irq(&phba->hbalock);
- list_for_each_entry_safe(dmabuf, next,
- &phba->ras_fwlog.fwlog_buff_list, list) {
- /* Check if copying will go over size and a '\0' char */
- if ((copied + LPFC_RAS_MAX_ENTRY_SIZE) >= (size - 1)) {
- memcpy(buffer + copied, dmabuf->virt,
- size - copied - 1);
- copied += size - copied - 1;
- break;
- }
- memcpy(buffer + copied, dmabuf->virt, LPFC_RAS_MAX_ENTRY_SIZE);
- copied += LPFC_RAS_MAX_ENTRY_SIZE;
- }
- return copied;
- }
- static int
- lpfc_debugfs_ras_log_release(struct inode *inode, struct file *file)
- {
- struct lpfc_debug *debug = file->private_data;
- vfree(debug->buffer);
- kfree(debug);
- return 0;
- }
- /**
- * lpfc_debugfs_ras_log_open - Open the RAS log debugfs buffer
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int size;
- int rc = -ENOMEM;
- spin_lock_irq(&phba->hbalock);
- if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
- rc = -EINVAL;
- goto out;
- }
- spin_unlock_irq(&phba->hbalock);
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- size = LPFC_RAS_MIN_BUFF_POST_SIZE * phba->cfg_ras_fwlog_buffsize;
- debug->buffer = vmalloc(size);
- if (!debug->buffer)
- goto free_debug;
- debug->len = lpfc_debugfs_ras_log_data(phba, debug->buffer, size);
- if (debug->len < 0) {
- rc = -EINVAL;
- goto free_buffer;
- }
- file->private_data = debug;
- return 0;
- free_buffer:
- vfree(debug->buffer);
- free_debug:
- kfree(debug);
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
- LPFC_DUMPHBASLIM_SIZE);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
- LPFC_DUMPHOSTSLIM_SIZE);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct dentry *dent = file->f_path.dentry;
- struct lpfc_hba *phba = file->private_data;
- char cbuf[32];
- uint64_t tmp = 0;
- int cnt = 0;
- if (dent == phba->debug_writeGuard)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt);
- else if (dent == phba->debug_writeApp)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt);
- else if (dent == phba->debug_writeRef)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt);
- else if (dent == phba->debug_readGuard)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt);
- else if (dent == phba->debug_readApp)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt);
- else if (dent == phba->debug_readRef)
- cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt);
- else if (dent == phba->debug_InjErrNPortID)
- cnt = scnprintf(cbuf, 32, "0x%06x\n",
- phba->lpfc_injerr_nportid);
- else if (dent == phba->debug_InjErrWWPN) {
- memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name));
- tmp = cpu_to_be64(tmp);
- cnt = scnprintf(cbuf, 32, "0x%016llx\n", tmp);
- } else if (dent == phba->debug_InjErrLBA) {
- if (phba->lpfc_injerr_lba == (sector_t)(-1))
- cnt = scnprintf(cbuf, 32, "off\n");
- else
- cnt = scnprintf(cbuf, 32, "0x%llx\n",
- (uint64_t) phba->lpfc_injerr_lba);
- } else
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0547 Unknown debugfs error injection entry\n");
- return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
- }
- static ssize_t
- lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct dentry *dent = file->f_path.dentry;
- struct lpfc_hba *phba = file->private_data;
- char dstbuf[33];
- uint64_t tmp = 0;
- int size;
- memset(dstbuf, 0, 33);
- size = (nbytes < 32) ? nbytes : 32;
- if (copy_from_user(dstbuf, buf, size))
- return 0;
- if (dent == phba->debug_InjErrLBA) {
- if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f'))
- tmp = (uint64_t)(-1);
- }
- if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp)))
- return 0;
- if (dent == phba->debug_writeGuard)
- phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_writeApp)
- phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_writeRef)
- phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_readGuard)
- phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_readApp)
- phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_readRef)
- phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
- else if (dent == phba->debug_InjErrLBA)
- phba->lpfc_injerr_lba = (sector_t)tmp;
- else if (dent == phba->debug_InjErrNPortID)
- phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID);
- else if (dent == phba->debug_InjErrWWPN) {
- tmp = cpu_to_be64(tmp);
- memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name));
- } else
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0548 Unknown debugfs error injection entry\n");
- return nbytes;
- }
- static int
- lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
- {
- return 0;
- }
- /**
- * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
- * @inode: The inode pointer that contains a vport pointer.
- * @file: The file pointer to attach the log output.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It gets
- * the vport from the i_private field in @inode, allocates the necessary buffer
- * for the log, fills the buffer from the in-memory log for this vport, and then
- * returns a pointer to that log in the private_data field in @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return a negative
- * error value.
- **/
- static int
- lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
- LPFC_NODELIST_SIZE);
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- /**
- * lpfc_debugfs_lseek - Seek through a debugfs file
- * @file: The file pointer to seek through.
- * @off: The offset to seek to or the amount to seek by.
- * @whence: Indicates how to seek.
- *
- * Description:
- * This routine is the entry point for the debugfs lseek file operation. The
- * @whence parameter indicates whether @off is the offset to directly seek to,
- * or if it is a value to seek forward or reverse by. This function figures out
- * what the new offset of the debugfs file will be and assigns that value to the
- * f_pos field of @file.
- *
- * Returns:
- * This function returns the new offset if successful and returns a negative
- * error if unable to process the seek.
- **/
- static loff_t
- lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
- {
- struct lpfc_debug *debug = file->private_data;
- return fixed_size_llseek(file, off, whence, debug->len);
- }
- /**
- * lpfc_debugfs_read - Read a debugfs file
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from from the buffer indicated in the private_data
- * field of @file. It will start reading at @ppos and copy up to @nbytes of
- * data to @buf.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_debugfs_read(struct file *file, char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
- debug->len);
- }
- /**
- * lpfc_debugfs_release - Release the buffer used to store debugfs file data
- * @inode: The inode pointer that contains a vport pointer. (unused)
- * @file: The file pointer that contains the buffer to release.
- *
- * Description:
- * This routine frees the buffer that was allocated when the debugfs file was
- * opened.
- *
- * Returns:
- * This function returns zero.
- **/
- static int
- lpfc_debugfs_release(struct inode *inode, struct file *file)
- {
- struct lpfc_debug *debug = file->private_data;
- kfree(debug->buffer);
- kfree(debug);
- return 0;
- }
- /**
- * lpfc_debugfs_multixripools_write - Clear multi-XRI pools statistics
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine clears multi-XRI pools statistics when buf contains "clear".
- *
- * Return Value:
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- char mybuf[64];
- char *pbuf;
- u32 i;
- u32 hwq_count;
- struct lpfc_sli4_hdw_queue *qp;
- struct lpfc_multixri_pool *multixri_pool;
- if (nbytes > 64)
- nbytes = 64;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- if ((strncmp(pbuf, "clear", strlen("clear"))) == 0) {
- hwq_count = phba->cfg_hdw_queue;
- for (i = 0; i < hwq_count; i++) {
- qp = &phba->sli4_hba.hdwq[i];
- multixri_pool = qp->p_multixri_pool;
- if (!multixri_pool)
- continue;
- qp->empty_io_bufs = 0;
- multixri_pool->pbl_empty_count = 0;
- #ifdef LPFC_MXP_STAT
- multixri_pool->above_limit_count = 0;
- multixri_pool->below_limit_count = 0;
- multixri_pool->stat_max_hwm = 0;
- multixri_pool->local_pbl_hit_count = 0;
- multixri_pool->other_pbl_hit_count = 0;
- multixri_pool->stat_pbl_count = 0;
- multixri_pool->stat_pvt_count = 0;
- multixri_pool->stat_busy_count = 0;
- multixri_pool->stat_snapshot_taken = 0;
- #endif
- }
- return strlen(pbuf);
- }
- return -EINVAL;
- }
- static int
- lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer,
- LPFC_NVMESTAT_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_nvmet_tgtport *tgtp;
- char mybuf[64];
- char *pbuf;
- if (!phba->targetport)
- return -ENXIO;
- if (nbytes > 64)
- nbytes = 64;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
- (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
- atomic_set(&tgtp->rcv_ls_req_in, 0);
- atomic_set(&tgtp->rcv_ls_req_out, 0);
- atomic_set(&tgtp->rcv_ls_req_drop, 0);
- atomic_set(&tgtp->xmt_ls_abort, 0);
- atomic_set(&tgtp->xmt_ls_abort_cmpl, 0);
- atomic_set(&tgtp->xmt_ls_rsp, 0);
- atomic_set(&tgtp->xmt_ls_drop, 0);
- atomic_set(&tgtp->xmt_ls_rsp_error, 0);
- atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0);
- atomic_set(&tgtp->rcv_fcp_cmd_in, 0);
- atomic_set(&tgtp->rcv_fcp_cmd_out, 0);
- atomic_set(&tgtp->rcv_fcp_cmd_drop, 0);
- atomic_set(&tgtp->xmt_fcp_drop, 0);
- atomic_set(&tgtp->xmt_fcp_read_rsp, 0);
- atomic_set(&tgtp->xmt_fcp_read, 0);
- atomic_set(&tgtp->xmt_fcp_write, 0);
- atomic_set(&tgtp->xmt_fcp_rsp, 0);
- atomic_set(&tgtp->xmt_fcp_release, 0);
- atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0);
- atomic_set(&tgtp->xmt_fcp_rsp_error, 0);
- atomic_set(&tgtp->xmt_fcp_rsp_drop, 0);
- atomic_set(&tgtp->xmt_fcp_abort, 0);
- atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0);
- atomic_set(&tgtp->xmt_abort_sol, 0);
- atomic_set(&tgtp->xmt_abort_unsol, 0);
- atomic_set(&tgtp->xmt_abort_rsp, 0);
- atomic_set(&tgtp->xmt_abort_rsp_error, 0);
- }
- return nbytes;
- }
- static int
- lpfc_debugfs_scsistat_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kzalloc(LPFC_SCSISTAT_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_scsistat_data(vport, debug->buffer,
- LPFC_SCSISTAT_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
- struct lpfc_hba *phba = vport->phba;
- char mybuf[6] = {0};
- int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
- if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ?
- (sizeof(mybuf) - 1) : nbytes))
- return -EFAULT;
- if ((strncmp(&mybuf[0], "reset", strlen("reset")) == 0) ||
- (strncmp(&mybuf[0], "zero", strlen("zero")) == 0)) {
- for (i = 0; i < phba->cfg_hdw_queue; i++) {
- memset(&phba->sli4_hba.hdwq[i].scsi_cstat, 0,
- sizeof(phba->sli4_hba.hdwq[i].scsi_cstat));
- }
- }
- return nbytes;
- }
- static int
- lpfc_debugfs_ioktime_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_IOKTIME_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_ioktime_data(vport, debug->buffer,
- LPFC_IOKTIME_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_ioktime_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
- struct lpfc_hba *phba = vport->phba;
- char mybuf[64];
- char *pbuf;
- if (nbytes > 64)
- nbytes = 64;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
- phba->ktime_data_samples = 0;
- phba->ktime_status_samples = 0;
- phba->ktime_seg1_total = 0;
- phba->ktime_seg1_max = 0;
- phba->ktime_seg1_min = 0xffffffff;
- phba->ktime_seg2_total = 0;
- phba->ktime_seg2_max = 0;
- phba->ktime_seg2_min = 0xffffffff;
- phba->ktime_seg3_total = 0;
- phba->ktime_seg3_max = 0;
- phba->ktime_seg3_min = 0xffffffff;
- phba->ktime_seg4_total = 0;
- phba->ktime_seg4_max = 0;
- phba->ktime_seg4_min = 0xffffffff;
- phba->ktime_seg5_total = 0;
- phba->ktime_seg5_max = 0;
- phba->ktime_seg5_min = 0xffffffff;
- phba->ktime_seg6_total = 0;
- phba->ktime_seg6_max = 0;
- phba->ktime_seg6_min = 0xffffffff;
- phba->ktime_seg7_total = 0;
- phba->ktime_seg7_max = 0;
- phba->ktime_seg7_min = 0xffffffff;
- phba->ktime_seg8_total = 0;
- phba->ktime_seg8_max = 0;
- phba->ktime_seg8_min = 0xffffffff;
- phba->ktime_seg9_total = 0;
- phba->ktime_seg9_max = 0;
- phba->ktime_seg9_min = 0xffffffff;
- phba->ktime_seg10_total = 0;
- phba->ktime_seg10_max = 0;
- phba->ktime_seg10_min = 0xffffffff;
- phba->ktime_on = 1;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "off",
- sizeof("off") - 1) == 0)) {
- phba->ktime_on = 0;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "zero",
- sizeof("zero") - 1) == 0)) {
- phba->ktime_data_samples = 0;
- phba->ktime_status_samples = 0;
- phba->ktime_seg1_total = 0;
- phba->ktime_seg1_max = 0;
- phba->ktime_seg1_min = 0xffffffff;
- phba->ktime_seg2_total = 0;
- phba->ktime_seg2_max = 0;
- phba->ktime_seg2_min = 0xffffffff;
- phba->ktime_seg3_total = 0;
- phba->ktime_seg3_max = 0;
- phba->ktime_seg3_min = 0xffffffff;
- phba->ktime_seg4_total = 0;
- phba->ktime_seg4_max = 0;
- phba->ktime_seg4_min = 0xffffffff;
- phba->ktime_seg5_total = 0;
- phba->ktime_seg5_max = 0;
- phba->ktime_seg5_min = 0xffffffff;
- phba->ktime_seg6_total = 0;
- phba->ktime_seg6_max = 0;
- phba->ktime_seg6_min = 0xffffffff;
- phba->ktime_seg7_total = 0;
- phba->ktime_seg7_max = 0;
- phba->ktime_seg7_min = 0xffffffff;
- phba->ktime_seg8_total = 0;
- phba->ktime_seg8_max = 0;
- phba->ktime_seg8_min = 0xffffffff;
- phba->ktime_seg9_total = 0;
- phba->ktime_seg9_max = 0;
- phba->ktime_seg9_min = 0xffffffff;
- phba->ktime_seg10_total = 0;
- phba->ktime_seg10_max = 0;
- phba->ktime_seg10_min = 0xffffffff;
- return strlen(pbuf);
- }
- return -EINVAL;
- }
- static int
- lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file)
- {
- struct lpfc_hba *phba = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer,
- LPFC_NVMEIO_TRC_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- int i;
- unsigned long sz;
- char mybuf[64];
- char *pbuf;
- if (nbytes > 64)
- nbytes = 64;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0570 nvmeio_trc_off\n");
- phba->nvmeio_trc_output_idx = 0;
- phba->nvmeio_trc_on = 0;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0571 nvmeio_trc_on\n");
- phba->nvmeio_trc_output_idx = 0;
- phba->nvmeio_trc_on = 1;
- return strlen(pbuf);
- }
- /* We must be off to allocate the trace buffer */
- if (phba->nvmeio_trc_on != 0)
- return -EINVAL;
- /* If not on or off, the parameter is the trace buffer size */
- i = kstrtoul(pbuf, 0, &sz);
- if (i)
- return -EINVAL;
- phba->nvmeio_trc_size = (uint32_t)sz;
- /* It must be a power of 2 - round down */
- i = 0;
- while (sz > 1) {
- sz = sz >> 1;
- i++;
- }
- sz = (1 << i);
- if (phba->nvmeio_trc_size != sz)
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0572 nvmeio_trc_size changed to %ld\n",
- sz);
- phba->nvmeio_trc_size = (uint32_t)sz;
- /* If one previously exists, free it */
- kfree(phba->nvmeio_trc);
- /* Allocate new trace buffer and initialize */
- phba->nvmeio_trc = kzalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) *
- sz), GFP_KERNEL);
- if (!phba->nvmeio_trc) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0573 Cannot create debugfs "
- "nvmeio_trc buffer\n");
- return -ENOMEM;
- }
- atomic_set(&phba->nvmeio_trc_cnt, 0);
- phba->nvmeio_trc_on = 0;
- phba->nvmeio_trc_output_idx = 0;
- return strlen(pbuf);
- }
- static int
- lpfc_debugfs_hdwqstat_open(struct inode *inode, struct file *file)
- {
- struct lpfc_vport *vport = inode->i_private;
- struct lpfc_debug *debug;
- int rc = -ENOMEM;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- goto out;
- /* Round to page boundary */
- debug->buffer = kcalloc(1, LPFC_SCSISTAT_SIZE, GFP_KERNEL);
- if (!debug->buffer) {
- kfree(debug);
- goto out;
- }
- debug->len = lpfc_debugfs_hdwqstat_data(vport, debug->buffer,
- LPFC_SCSISTAT_SIZE);
- debug->i_private = inode->i_private;
- file->private_data = debug;
- rc = 0;
- out:
- return rc;
- }
- static ssize_t
- lpfc_debugfs_hdwqstat_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
- struct lpfc_hba *phba = vport->phba;
- struct lpfc_hdwq_stat *c_stat;
- char mybuf[64];
- char *pbuf;
- int i;
- if (nbytes > 64)
- nbytes = 64;
- memset(mybuf, 0, sizeof(mybuf));
- if (copy_from_user(mybuf, buf, nbytes))
- return -EFAULT;
- pbuf = &mybuf[0];
- if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
- if (phba->nvmet_support)
- phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
- else
- phba->hdwqstat_on |= (LPFC_CHECK_NVME_IO |
- LPFC_CHECK_SCSI_IO);
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "nvme_on", sizeof("nvme_on") - 1) == 0)) {
- if (phba->nvmet_support)
- phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
- else
- phba->hdwqstat_on |= LPFC_CHECK_NVME_IO;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "scsi_on", sizeof("scsi_on") - 1) == 0)) {
- if (!phba->nvmet_support)
- phba->hdwqstat_on |= LPFC_CHECK_SCSI_IO;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "nvme_off", sizeof("nvme_off") - 1) == 0)) {
- phba->hdwqstat_on &= ~(LPFC_CHECK_NVME_IO |
- LPFC_CHECK_NVMET_IO);
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "scsi_off", sizeof("scsi_off") - 1) == 0)) {
- phba->hdwqstat_on &= ~LPFC_CHECK_SCSI_IO;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "off",
- sizeof("off") - 1) == 0)) {
- phba->hdwqstat_on = LPFC_CHECK_OFF;
- return strlen(pbuf);
- } else if ((strncmp(pbuf, "zero",
- sizeof("zero") - 1) == 0)) {
- for_each_present_cpu(i) {
- c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, i);
- c_stat->xmt_io = 0;
- c_stat->cmpl_io = 0;
- c_stat->rcv_io = 0;
- }
- return strlen(pbuf);
- }
- return -EINVAL;
- }
- /*
- * ---------------------------------
- * iDiag debugfs file access methods
- * ---------------------------------
- *
- * All access methods are through the proper SLI4 PCI function's debugfs
- * iDiag directory:
- *
- * /sys/kernel/debug/lpfc/fn<#>/iDiag
- */
- /**
- * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
- * @buf: The pointer to the user space buffer.
- * @nbytes: The number of bytes in the user space buffer.
- * @idiag_cmd: pointer to the idiag command struct.
- *
- * This routine reads data from debugfs user space buffer and parses the
- * buffer for getting the idiag command and arguments. The while space in
- * between the set of data is used as the parsing separator.
- *
- * This routine returns 0 when successful, it returns proper error code
- * back to the user space in error conditions.
- */
- static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes,
- struct lpfc_idiag_cmd *idiag_cmd)
- {
- char mybuf[64];
- char *pbuf, *step_str;
- int i;
- size_t bsize;
- memset(mybuf, 0, sizeof(mybuf));
- memset(idiag_cmd, 0, sizeof(*idiag_cmd));
- bsize = min(nbytes, (sizeof(mybuf)-1));
- if (copy_from_user(mybuf, buf, bsize))
- return -EFAULT;
- pbuf = &mybuf[0];
- step_str = strsep(&pbuf, "\t ");
- /* The opcode must present */
- if (!step_str)
- return -EINVAL;
- idiag_cmd->opcode = simple_strtol(step_str, NULL, 0);
- if (idiag_cmd->opcode == 0)
- return -EINVAL;
- for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) {
- step_str = strsep(&pbuf, "\t ");
- if (!step_str)
- return i;
- idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0);
- }
- return i;
- }
- /**
- * lpfc_idiag_open - idiag open debugfs
- * @inode: The inode pointer that contains a pointer to phba.
- * @file: The file pointer to attach the file operation.
- *
- * Description:
- * This routine is the entry point for the debugfs open file operation. It
- * gets the reference to phba from the i_private field in @inode, it then
- * allocates buffer for the file operation, performs the necessary PCI config
- * space read into the allocated buffer according to the idiag user command
- * setup, and then returns a pointer to buffer in the private_data field in
- * @file.
- *
- * Returns:
- * This function returns zero if successful. On error it will return an
- * negative error value.
- **/
- static int
- lpfc_idiag_open(struct inode *inode, struct file *file)
- {
- struct lpfc_debug *debug;
- debug = kmalloc(sizeof(*debug), GFP_KERNEL);
- if (!debug)
- return -ENOMEM;
- debug->i_private = inode->i_private;
- debug->buffer = NULL;
- file->private_data = debug;
- return 0;
- }
- /**
- * lpfc_idiag_release - Release idiag access file operation
- * @inode: The inode pointer that contains a vport pointer. (unused)
- * @file: The file pointer that contains the buffer to release.
- *
- * Description:
- * This routine is the generic release routine for the idiag access file
- * operation, it frees the buffer that was allocated when the debugfs file
- * was opened.
- *
- * Returns:
- * This function returns zero.
- **/
- static int
- lpfc_idiag_release(struct inode *inode, struct file *file)
- {
- struct lpfc_debug *debug = file->private_data;
- /* Free the buffers to the file operation */
- kfree(debug->buffer);
- kfree(debug);
- return 0;
- }
- /**
- * lpfc_idiag_cmd_release - Release idiag cmd access file operation
- * @inode: The inode pointer that contains a vport pointer. (unused)
- * @file: The file pointer that contains the buffer to release.
- *
- * Description:
- * This routine frees the buffer that was allocated when the debugfs file
- * was opened. It also reset the fields in the idiag command struct in the
- * case of command for write operation.
- *
- * Returns:
- * This function returns zero.
- **/
- static int
- lpfc_idiag_cmd_release(struct inode *inode, struct file *file)
- {
- struct lpfc_debug *debug = file->private_data;
- if (debug->op == LPFC_IDIAG_OP_WR) {
- switch (idiag.cmd.opcode) {
- case LPFC_IDIAG_CMD_PCICFG_WR:
- case LPFC_IDIAG_CMD_PCICFG_ST:
- case LPFC_IDIAG_CMD_PCICFG_CL:
- case LPFC_IDIAG_CMD_QUEACC_WR:
- case LPFC_IDIAG_CMD_QUEACC_ST:
- case LPFC_IDIAG_CMD_QUEACC_CL:
- memset(&idiag, 0, sizeof(idiag));
- break;
- default:
- break;
- }
- }
- /* Free the buffers to the file operation */
- kfree(debug->buffer);
- kfree(debug);
- return 0;
- }
- /**
- * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba pci config space according to the
- * idiag command, and copies to user @buf. Depending on the PCI config space
- * read command setup, it does either a single register read of a byte
- * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
- * registers from the 4K extended PCI config space.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE;
- int where, count;
- char *pbuffer;
- struct pci_dev *pdev;
- uint32_t u32val;
- uint16_t u16val;
- uint8_t u8val;
- pdev = phba->pcidev;
- if (!pdev)
- return 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
- where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
- count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
- } else
- return 0;
- /* Read single PCI config space register */
- switch (count) {
- case SIZE_U8: /* byte (8 bits) */
- pci_read_config_byte(pdev, where, &u8val);
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "%03x: %02x\n", where, u8val);
- break;
- case SIZE_U16: /* word (16 bits) */
- pci_read_config_word(pdev, where, &u16val);
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "%03x: %04x\n", where, u16val);
- break;
- case SIZE_U32: /* double word (32 bits) */
- pci_read_config_dword(pdev, where, &u32val);
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "%03x: %08x\n", where, u32val);
- break;
- case LPFC_PCI_CFG_BROWSE: /* browse all */
- goto pcicfg_browse;
- break;
- default:
- /* illegal count */
- len = 0;
- break;
- }
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- pcicfg_browse:
- /* Browse all PCI config space registers */
- offset_label = idiag.offset.last_rd;
- offset = offset_label;
- /* Read PCI config space */
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "%03x: ", offset_label);
- while (index > 0) {
- pci_read_config_dword(pdev, offset, &u32val);
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "%08x ", u32val);
- offset += sizeof(uint32_t);
- if (offset >= LPFC_PCI_CFG_SIZE) {
- len += scnprintf(pbuffer+len,
- LPFC_PCI_CFG_SIZE-len, "\n");
- break;
- }
- index -= sizeof(uint32_t);
- if (!index)
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "\n");
- else if (!(index % (8 * sizeof(uint32_t)))) {
- offset_label += (8 * sizeof(uint32_t));
- len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
- "\n%03x: ", offset_label);
- }
- }
- /* Set up the offset for next portion of pci cfg read */
- if (index == 0) {
- idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE;
- if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE)
- idiag.offset.last_rd = 0;
- } else
- idiag.offset.last_rd = 0;
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and
- * then perform the syntax check for PCI config space read or write command
- * accordingly. In the case of PCI config space read command, it sets up
- * the command in the idiag command struct for the debugfs read operation.
- * In the case of PCI config space write operation, it executes the write
- * operation into the PCI config space accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- */
- static ssize_t
- lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t where, value, count;
- uint32_t u32val;
- uint16_t u16val;
- uint8_t u8val;
- struct pci_dev *pdev;
- int rc;
- pdev = phba->pcidev;
- if (!pdev)
- return -EFAULT;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
- /* Sanity check on PCI config read command line arguments */
- if (rc != LPFC_PCI_CFG_RD_CMD_ARG)
- goto error_out;
- /* Read command from PCI config space, set up command fields */
- where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
- count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
- if (count == LPFC_PCI_CFG_BROWSE) {
- if (where % sizeof(uint32_t))
- goto error_out;
- /* Starting offset to browse */
- idiag.offset.last_rd = where;
- } else if ((count != sizeof(uint8_t)) &&
- (count != sizeof(uint16_t)) &&
- (count != sizeof(uint32_t)))
- goto error_out;
- if (count == sizeof(uint8_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
- goto error_out;
- if (where % sizeof(uint8_t))
- goto error_out;
- }
- if (count == sizeof(uint16_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
- goto error_out;
- if (where % sizeof(uint16_t))
- goto error_out;
- }
- if (count == sizeof(uint32_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
- goto error_out;
- if (where % sizeof(uint32_t))
- goto error_out;
- }
- } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
- /* Sanity check on PCI config write command line arguments */
- if (rc != LPFC_PCI_CFG_WR_CMD_ARG)
- goto error_out;
- /* Write command to PCI config space, read-modify-write */
- where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
- count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
- value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX];
- /* Sanity checks */
- if ((count != sizeof(uint8_t)) &&
- (count != sizeof(uint16_t)) &&
- (count != sizeof(uint32_t)))
- goto error_out;
- if (count == sizeof(uint8_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
- goto error_out;
- if (where % sizeof(uint8_t))
- goto error_out;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
- pci_write_config_byte(pdev, where,
- (uint8_t)value);
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
- rc = pci_read_config_byte(pdev, where, &u8val);
- if (!rc) {
- u8val |= (uint8_t)value;
- pci_write_config_byte(pdev, where,
- u8val);
- }
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
- rc = pci_read_config_byte(pdev, where, &u8val);
- if (!rc) {
- u8val &= (uint8_t)(~value);
- pci_write_config_byte(pdev, where,
- u8val);
- }
- }
- }
- if (count == sizeof(uint16_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
- goto error_out;
- if (where % sizeof(uint16_t))
- goto error_out;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
- pci_write_config_word(pdev, where,
- (uint16_t)value);
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
- rc = pci_read_config_word(pdev, where, &u16val);
- if (!rc) {
- u16val |= (uint16_t)value;
- pci_write_config_word(pdev, where,
- u16val);
- }
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
- rc = pci_read_config_word(pdev, where, &u16val);
- if (!rc) {
- u16val &= (uint16_t)(~value);
- pci_write_config_word(pdev, where,
- u16val);
- }
- }
- }
- if (count == sizeof(uint32_t)) {
- if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
- goto error_out;
- if (where % sizeof(uint32_t))
- goto error_out;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
- pci_write_config_dword(pdev, where, value);
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
- rc = pci_read_config_dword(pdev, where,
- &u32val);
- if (!rc) {
- u32val |= value;
- pci_write_config_dword(pdev, where,
- u32val);
- }
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
- rc = pci_read_config_dword(pdev, where,
- &u32val);
- if (!rc) {
- u32val &= ~value;
- pci_write_config_dword(pdev, where,
- u32val);
- }
- }
- }
- } else
- /* All other opecodes are illegal for now */
- goto error_out;
- return nbytes;
- error_out:
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_baracc_read - idiag debugfs pci bar access read
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba pci bar memory mapped space
- * according to the idiag command, and copies to user @buf.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- int offset_label, offset, offset_run, len = 0, index;
- int bar_num, acc_range, bar_size;
- char *pbuffer;
- void __iomem *mem_mapped_bar;
- uint32_t if_type;
- struct pci_dev *pdev;
- uint32_t u32val;
- pdev = phba->pcidev;
- if (!pdev)
- return 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
- bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
- offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
- acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
- bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
- } else
- return 0;
- if (acc_range == 0)
- return 0;
- if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
- if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
- if (bar_num == IDIAG_BARACC_BAR_0)
- mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
- else if (bar_num == IDIAG_BARACC_BAR_1)
- mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
- else if (bar_num == IDIAG_BARACC_BAR_2)
- mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
- else
- return 0;
- } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
- if (bar_num == IDIAG_BARACC_BAR_0)
- mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
- else
- return 0;
- } else
- return 0;
- /* Read single PCI bar space register */
- if (acc_range == SINGLE_WORD) {
- offset_run = offset;
- u32val = readl(mem_mapped_bar + offset_run);
- len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
- "%05x: %08x\n", offset_run, u32val);
- } else
- goto baracc_browse;
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- baracc_browse:
- /* Browse all PCI bar space registers */
- offset_label = idiag.offset.last_rd;
- offset_run = offset_label;
- /* Read PCI bar memory mapped space */
- len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
- "%05x: ", offset_label);
- index = LPFC_PCI_BAR_RD_SIZE;
- while (index > 0) {
- u32val = readl(mem_mapped_bar + offset_run);
- len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
- "%08x ", u32val);
- offset_run += sizeof(uint32_t);
- if (acc_range == LPFC_PCI_BAR_BROWSE) {
- if (offset_run >= bar_size) {
- len += scnprintf(pbuffer+len,
- LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
- break;
- }
- } else {
- if (offset_run >= offset +
- (acc_range * sizeof(uint32_t))) {
- len += scnprintf(pbuffer+len,
- LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
- break;
- }
- }
- index -= sizeof(uint32_t);
- if (!index)
- len += scnprintf(pbuffer+len,
- LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
- else if (!(index % (8 * sizeof(uint32_t)))) {
- offset_label += (8 * sizeof(uint32_t));
- len += scnprintf(pbuffer+len,
- LPFC_PCI_BAR_RD_BUF_SIZE-len,
- "\n%05x: ", offset_label);
- }
- }
- /* Set up the offset for next portion of pci bar read */
- if (index == 0) {
- idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE;
- if (acc_range == LPFC_PCI_BAR_BROWSE) {
- if (idiag.offset.last_rd >= bar_size)
- idiag.offset.last_rd = 0;
- } else {
- if (offset_run >= offset +
- (acc_range * sizeof(uint32_t)))
- idiag.offset.last_rd = offset;
- }
- } else {
- if (acc_range == LPFC_PCI_BAR_BROWSE)
- idiag.offset.last_rd = 0;
- else
- idiag.offset.last_rd = offset;
- }
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and
- * then perform the syntax check for PCI bar memory mapped space read or
- * write command accordingly. In the case of PCI bar memory mapped space
- * read command, it sets up the command in the idiag command struct for
- * the debugfs read operation. In the case of PCI bar memorpy mapped space
- * write operation, it executes the write operation into the PCI bar memory
- * mapped space accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- */
- static ssize_t
- lpfc_idiag_baracc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t bar_num, bar_size, offset, value, acc_range;
- struct pci_dev *pdev;
- void __iomem *mem_mapped_bar;
- uint32_t if_type;
- uint32_t u32val;
- int rc;
- pdev = phba->pcidev;
- if (!pdev)
- return -EFAULT;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
- bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
- if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
- if ((bar_num != IDIAG_BARACC_BAR_0) &&
- (bar_num != IDIAG_BARACC_BAR_1) &&
- (bar_num != IDIAG_BARACC_BAR_2))
- goto error_out;
- } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
- if (bar_num != IDIAG_BARACC_BAR_0)
- goto error_out;
- } else
- goto error_out;
- if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
- if (bar_num == IDIAG_BARACC_BAR_0) {
- idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
- LPFC_PCI_IF0_BAR0_SIZE;
- mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
- } else if (bar_num == IDIAG_BARACC_BAR_1) {
- idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
- LPFC_PCI_IF0_BAR1_SIZE;
- mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
- } else if (bar_num == IDIAG_BARACC_BAR_2) {
- idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
- LPFC_PCI_IF0_BAR2_SIZE;
- mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
- } else
- goto error_out;
- } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
- if (bar_num == IDIAG_BARACC_BAR_0) {
- idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
- LPFC_PCI_IF2_BAR0_SIZE;
- mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
- } else
- goto error_out;
- } else
- goto error_out;
- offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
- if (offset % sizeof(uint32_t))
- goto error_out;
- bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
- /* Sanity check on PCI config read command line arguments */
- if (rc != LPFC_PCI_BAR_RD_CMD_ARG)
- goto error_out;
- acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
- if (acc_range == LPFC_PCI_BAR_BROWSE) {
- if (offset > bar_size - sizeof(uint32_t))
- goto error_out;
- /* Starting offset to browse */
- idiag.offset.last_rd = offset;
- } else if (acc_range > SINGLE_WORD) {
- if (offset + acc_range * sizeof(uint32_t) > bar_size)
- goto error_out;
- /* Starting offset to browse */
- idiag.offset.last_rd = offset;
- } else if (acc_range != SINGLE_WORD)
- goto error_out;
- } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
- /* Sanity check on PCI bar write command line arguments */
- if (rc != LPFC_PCI_BAR_WR_CMD_ARG)
- goto error_out;
- /* Write command to PCI bar space, read-modify-write */
- acc_range = SINGLE_WORD;
- value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX];
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) {
- writel(value, mem_mapped_bar + offset);
- readl(mem_mapped_bar + offset);
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) {
- u32val = readl(mem_mapped_bar + offset);
- u32val |= value;
- writel(u32val, mem_mapped_bar + offset);
- readl(mem_mapped_bar + offset);
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
- u32val = readl(mem_mapped_bar + offset);
- u32val &= ~value;
- writel(u32val, mem_mapped_bar + offset);
- readl(mem_mapped_bar + offset);
- }
- } else
- /* All other opecodes are illegal for now */
- goto error_out;
- return nbytes;
- error_out:
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- static int
- __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype,
- char *pbuffer, int len)
- {
- if (!qp)
- return len;
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t\t%s WQ info: ", wqtype);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n",
- qp->assoc_qid, qp->q_cnt_1,
- (unsigned long long)qp->q_cnt_4);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
- "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]",
- qp->queue_id, qp->entry_count,
- qp->entry_size, qp->host_index,
- qp->hba_index, qp->notify_interval);
- len += scnprintf(pbuffer + len,
- LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
- return len;
- }
- static int
- lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer,
- int *len, int max_cnt, int cq_id)
- {
- struct lpfc_queue *qp;
- int qidx;
- for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
- qp = phba->sli4_hba.hdwq[qidx].io_wq;
- if (qp->assoc_qid != cq_id)
- continue;
- *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len);
- if (*len >= max_cnt)
- return 1;
- }
- return 0;
- }
- static int
- __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype,
- char *pbuffer, int len)
- {
- if (!qp)
- return len;
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t%s CQ info: ", cqtype);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x "
- "xabt:x%x wq:x%llx]\n",
- qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
- qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
- "HST-IDX[%04d], NTFI[%03d], PLMT[%03d]",
- qp->queue_id, qp->entry_count,
- qp->entry_size, qp->host_index,
- qp->notify_interval, qp->max_proc_limit);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\n");
- return len;
- }
- static int
- __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp,
- char *rqtype, char *pbuffer, int len)
- {
- if (!qp || !datqp)
- return len;
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t\t%s RQ info: ", rqtype);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x "
- "posted:x%x rcv:x%llx]\n",
- qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
- qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
- "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
- qp->queue_id, qp->entry_count, qp->entry_size,
- qp->host_index, qp->hba_index, qp->notify_interval);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
- "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
- datqp->queue_id, datqp->entry_count,
- datqp->entry_size, datqp->host_index,
- datqp->hba_index, datqp->notify_interval);
- return len;
- }
- static int
- lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer,
- int *len, int max_cnt, int eqidx, int eq_id)
- {
- struct lpfc_queue *qp;
- int rc;
- qp = phba->sli4_hba.hdwq[eqidx].io_cq;
- *len = __lpfc_idiag_print_cq(qp, "IO", pbuffer, *len);
- /* Reset max counter */
- qp->CQ_max_cqe = 0;
- if (*len >= max_cnt)
- return 1;
- rc = lpfc_idiag_wqs_for_cq(phba, "IO", pbuffer, len,
- max_cnt, qp->queue_id);
- if (rc)
- return 1;
- if ((eqidx < phba->cfg_nvmet_mrq) && phba->nvmet_support) {
- /* NVMET CQset */
- qp = phba->sli4_hba.nvmet_cqset[eqidx];
- *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len);
- /* Reset max counter */
- qp->CQ_max_cqe = 0;
- if (*len >= max_cnt)
- return 1;
- /* RQ header */
- qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx];
- *len = __lpfc_idiag_print_rqpair(qp,
- phba->sli4_hba.nvmet_mrq_data[eqidx],
- "NVMET MRQ", pbuffer, *len);
- if (*len >= max_cnt)
- return 1;
- }
- return 0;
- }
- static int
- __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype,
- char *pbuffer, int len)
- {
- if (!qp)
- return len;
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\n%s EQ info: EQ-STAT[max:x%x noE:x%x "
- "cqe_proc:x%x eqe_proc:x%llx eqd %d]\n",
- eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3,
- (unsigned long long)qp->q_cnt_4, qp->q_mode);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
- "HST-IDX[%04d], NTFI[%03d], PLMT[%03d], AFFIN[%03d]",
- qp->queue_id, qp->entry_count, qp->entry_size,
- qp->host_index, qp->notify_interval,
- qp->max_proc_limit, qp->chann);
- len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "\n");
- return len;
- }
- /**
- * lpfc_idiag_queinfo_read - idiag debugfs read queue information
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba SLI4 PCI function queue information,
- * and copies to user @buf.
- * This routine only returns 1 EQs worth of information. It remembers the last
- * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will
- * retrieve all EQs allocated for the phba.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- char *pbuffer;
- int max_cnt, rc, x, len = 0;
- struct lpfc_queue *qp = NULL;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256;
- if (*ppos)
- return 0;
- spin_lock_irq(&phba->hbalock);
- /* Fast-path event queue */
- if (phba->sli4_hba.hdwq && phba->cfg_hdw_queue) {
- x = phba->lpfc_idiag_last_eq;
- phba->lpfc_idiag_last_eq++;
- if (phba->lpfc_idiag_last_eq >= phba->cfg_hdw_queue)
- phba->lpfc_idiag_last_eq = 0;
- len += scnprintf(pbuffer + len,
- LPFC_QUE_INFO_GET_BUF_SIZE - len,
- "HDWQ %d out of %d HBA HDWQs\n",
- x, phba->cfg_hdw_queue);
- /* Fast-path EQ */
- qp = phba->sli4_hba.hdwq[x].hba_eq;
- if (!qp)
- goto out;
- len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len);
- /* Reset max counter */
- qp->EQ_max_eqe = 0;
- if (len >= max_cnt)
- goto too_big;
- /* will dump both fcp and nvme cqs/wqs for the eq */
- rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len,
- max_cnt, x, qp->queue_id);
- if (rc)
- goto too_big;
- /* Only EQ 0 has slow path CQs configured */
- if (x)
- goto out;
- /* Slow-path mailbox CQ */
- qp = phba->sli4_hba.mbx_cq;
- len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len);
- if (len >= max_cnt)
- goto too_big;
- /* Slow-path MBOX MQ */
- qp = phba->sli4_hba.mbx_wq;
- len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len);
- if (len >= max_cnt)
- goto too_big;
- /* Slow-path ELS response CQ */
- qp = phba->sli4_hba.els_cq;
- len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len);
- /* Reset max counter */
- if (qp)
- qp->CQ_max_cqe = 0;
- if (len >= max_cnt)
- goto too_big;
- /* Slow-path ELS WQ */
- qp = phba->sli4_hba.els_wq;
- len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len);
- if (len >= max_cnt)
- goto too_big;
- qp = phba->sli4_hba.hdr_rq;
- len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq,
- "ELS RQpair", pbuffer, len);
- if (len >= max_cnt)
- goto too_big;
- /* Slow-path NVME LS response CQ */
- qp = phba->sli4_hba.nvmels_cq;
- len = __lpfc_idiag_print_cq(qp, "NVME LS",
- pbuffer, len);
- /* Reset max counter */
- if (qp)
- qp->CQ_max_cqe = 0;
- if (len >= max_cnt)
- goto too_big;
- /* Slow-path NVME LS WQ */
- qp = phba->sli4_hba.nvmels_wq;
- len = __lpfc_idiag_print_wq(qp, "NVME LS",
- pbuffer, len);
- if (len >= max_cnt)
- goto too_big;
- goto out;
- }
- spin_unlock_irq(&phba->hbalock);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- too_big:
- len += scnprintf(pbuffer + len,
- LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n");
- out:
- spin_unlock_irq(&phba->hbalock);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_que_param_check - queue access command parameter sanity check
- * @q: The pointer to queue structure.
- * @index: The index into a queue entry.
- * @count: The number of queue entries to access.
- *
- * Description:
- * The routine performs sanity check on device queue access method commands.
- *
- * Returns:
- * This function returns -EINVAL when fails the sanity check, otherwise, it
- * returns 0.
- **/
- static int
- lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count)
- {
- /* Only support single entry read or browsing */
- if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE))
- return -EINVAL;
- if (index > q->entry_count - 1)
- return -EINVAL;
- return 0;
- }
- /**
- * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
- * @pbuffer: The pointer to buffer to copy the read data into.
- * @pque: The pointer to the queue to be read.
- * @index: The index into the queue entry.
- *
- * Description:
- * This routine reads out a single entry from the given queue's index location
- * and copies it into the buffer provided.
- *
- * Returns:
- * This function returns 0 when it fails, otherwise, it returns the length of
- * the data read into the buffer provided.
- **/
- static int
- lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque,
- uint32_t index)
- {
- int offset, esize;
- uint32_t *pentry;
- if (!pbuffer || !pque)
- return 0;
- esize = pque->entry_size;
- len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
- "QE-INDEX[%04d]:\n", index);
- offset = 0;
- pentry = lpfc_sli4_qe(pque, index);
- while (esize > 0) {
- len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
- "%08x ", *pentry);
- pentry++;
- offset += sizeof(uint32_t);
- esize -= sizeof(uint32_t);
- if (esize > 0 && !(offset % (4 * sizeof(uint32_t))))
- len += scnprintf(pbuffer+len,
- LPFC_QUE_ACC_BUF_SIZE-len, "\n");
- }
- len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n");
- return len;
- }
- /**
- * lpfc_idiag_queacc_read - idiag debugfs read port queue
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba device queue memory according to the
- * idiag command, and copies to user @buf. Depending on the queue dump read
- * command setup, it does either a single queue entry read or browing through
- * all entries of the queue.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- uint32_t last_index, index, count;
- struct lpfc_queue *pque = NULL;
- char *pbuffer;
- int len = 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
- index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
- count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
- pque = (struct lpfc_queue *)idiag.ptr_private;
- } else
- return 0;
- /* Browse the queue starting from index */
- if (count == LPFC_QUE_ACC_BROWSE)
- goto que_browse;
- /* Read a single entry from the queue */
- len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- que_browse:
- /* Browse all entries from the queue */
- last_index = idiag.offset.last_rd;
- index = last_index;
- while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) {
- len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
- index++;
- if (index > pque->entry_count - 1)
- break;
- }
- /* Set up the offset for next portion of pci cfg read */
- if (index > pque->entry_count - 1)
- index = 0;
- idiag.offset.last_rd = index;
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and then
- * perform the syntax check for port queue read (dump) or write (set) command
- * accordingly. In the case of port queue read command, it sets up the command
- * in the idiag command struct for the following debugfs read operation. In
- * the case of port queue write operation, it executes the write operation
- * into the port queue entry accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t qidx, quetp, queid, index, count, offset, value;
- uint32_t *pentry;
- struct lpfc_queue *pque, *qp;
- int rc;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- /* Get and sanity check on command feilds */
- quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX];
- queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX];
- index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
- count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
- offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX];
- value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX];
- /* Sanity check on command line arguments */
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
- if (rc != LPFC_QUE_ACC_WR_CMD_ARG)
- goto error_out;
- if (count != 1)
- goto error_out;
- } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
- if (rc != LPFC_QUE_ACC_RD_CMD_ARG)
- goto error_out;
- } else
- goto error_out;
- switch (quetp) {
- case LPFC_IDIAG_EQ:
- /* HBA event queue */
- if (phba->sli4_hba.hdwq) {
- for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
- qp = phba->sli4_hba.hdwq[qidx].hba_eq;
- if (qp && qp->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(qp,
- index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = qp;
- goto pass_check;
- }
- }
- }
- goto error_out;
- break;
- case LPFC_IDIAG_CQ:
- /* MBX complete queue */
- if (phba->sli4_hba.mbx_cq &&
- phba->sli4_hba.mbx_cq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.mbx_cq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.mbx_cq;
- goto pass_check;
- }
- /* ELS complete queue */
- if (phba->sli4_hba.els_cq &&
- phba->sli4_hba.els_cq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.els_cq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.els_cq;
- goto pass_check;
- }
- /* NVME LS complete queue */
- if (phba->sli4_hba.nvmels_cq &&
- phba->sli4_hba.nvmels_cq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.nvmels_cq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.nvmels_cq;
- goto pass_check;
- }
- /* FCP complete queue */
- if (phba->sli4_hba.hdwq) {
- for (qidx = 0; qidx < phba->cfg_hdw_queue;
- qidx++) {
- qp = phba->sli4_hba.hdwq[qidx].io_cq;
- if (qp && qp->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- qp, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = qp;
- goto pass_check;
- }
- }
- }
- goto error_out;
- break;
- case LPFC_IDIAG_MQ:
- /* MBX work queue */
- if (phba->sli4_hba.mbx_wq &&
- phba->sli4_hba.mbx_wq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.mbx_wq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.mbx_wq;
- goto pass_check;
- }
- goto error_out;
- break;
- case LPFC_IDIAG_WQ:
- /* ELS work queue */
- if (phba->sli4_hba.els_wq &&
- phba->sli4_hba.els_wq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.els_wq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.els_wq;
- goto pass_check;
- }
- /* NVME LS work queue */
- if (phba->sli4_hba.nvmels_wq &&
- phba->sli4_hba.nvmels_wq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.nvmels_wq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.nvmels_wq;
- goto pass_check;
- }
- if (phba->sli4_hba.hdwq) {
- /* FCP/SCSI work queue */
- for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
- qp = phba->sli4_hba.hdwq[qidx].io_wq;
- if (qp && qp->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- qp, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = qp;
- goto pass_check;
- }
- }
- }
- goto error_out;
- break;
- case LPFC_IDIAG_RQ:
- /* HDR queue */
- if (phba->sli4_hba.hdr_rq &&
- phba->sli4_hba.hdr_rq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.hdr_rq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.hdr_rq;
- goto pass_check;
- }
- /* DAT queue */
- if (phba->sli4_hba.dat_rq &&
- phba->sli4_hba.dat_rq->queue_id == queid) {
- /* Sanity check */
- rc = lpfc_idiag_que_param_check(
- phba->sli4_hba.dat_rq, index, count);
- if (rc)
- goto error_out;
- idiag.ptr_private = phba->sli4_hba.dat_rq;
- goto pass_check;
- }
- goto error_out;
- break;
- default:
- goto error_out;
- break;
- }
- pass_check:
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
- if (count == LPFC_QUE_ACC_BROWSE)
- idiag.offset.last_rd = index;
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
- /* Additional sanity checks on write operation */
- pque = (struct lpfc_queue *)idiag.ptr_private;
- if (offset > pque->entry_size/sizeof(uint32_t) - 1)
- goto error_out;
- pentry = lpfc_sli4_qe(pque, index);
- pentry += offset;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR)
- *pentry = value;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST)
- *pentry |= value;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL)
- *pentry &= ~value;
- }
- return nbytes;
- error_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
- * @phba: The pointer to hba structure.
- * @pbuffer: The pointer to the buffer to copy the data to.
- * @len: The length of bytes to copied.
- * @drbregid: The id to doorbell registers.
- *
- * Description:
- * This routine reads a doorbell register and copies its content to the
- * user buffer pointed to by @pbuffer.
- *
- * Returns:
- * This function returns the amount of data that was copied into @pbuffer.
- **/
- static int
- lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
- int len, uint32_t drbregid)
- {
- if (!pbuffer)
- return 0;
- switch (drbregid) {
- case LPFC_DRB_EQ:
- len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE-len,
- "EQ-DRB-REG: 0x%08x\n",
- readl(phba->sli4_hba.EQDBregaddr));
- break;
- case LPFC_DRB_CQ:
- len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE - len,
- "CQ-DRB-REG: 0x%08x\n",
- readl(phba->sli4_hba.CQDBregaddr));
- break;
- case LPFC_DRB_MQ:
- len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
- "MQ-DRB-REG: 0x%08x\n",
- readl(phba->sli4_hba.MQDBregaddr));
- break;
- case LPFC_DRB_WQ:
- len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
- "WQ-DRB-REG: 0x%08x\n",
- readl(phba->sli4_hba.WQDBregaddr));
- break;
- case LPFC_DRB_RQ:
- len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
- "RQ-DRB-REG: 0x%08x\n",
- readl(phba->sli4_hba.RQDBregaddr));
- break;
- default:
- break;
- }
- return len;
- }
- /**
- * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba device doorbell register according
- * to the idiag command, and copies to user @buf. Depending on the doorbell
- * register read command setup, it does either a single doorbell register
- * read or dump all doorbell registers.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t drb_reg_id, i;
- char *pbuffer;
- int len = 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD)
- drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
- else
- return 0;
- if (drb_reg_id == LPFC_DRB_ACC_ALL)
- for (i = 1; i <= LPFC_DRB_MAX; i++)
- len = lpfc_idiag_drbacc_read_reg(phba,
- pbuffer, len, i);
- else
- len = lpfc_idiag_drbacc_read_reg(phba,
- pbuffer, len, drb_reg_id);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and then
- * perform the syntax check for port doorbell register read (dump) or write
- * (set) command accordingly. In the case of port queue read command, it sets
- * up the command in the idiag command struct for the following debugfs read
- * operation. In the case of port doorbell register write operation, it
- * executes the write operation into the port doorbell register accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_idiag_drbacc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t drb_reg_id, value, reg_val = 0;
- void __iomem *drb_reg;
- int rc;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- /* Sanity check on command line arguments */
- drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
- value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX];
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
- if (rc != LPFC_DRB_ACC_WR_CMD_ARG)
- goto error_out;
- if (drb_reg_id > LPFC_DRB_MAX)
- goto error_out;
- } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) {
- if (rc != LPFC_DRB_ACC_RD_CMD_ARG)
- goto error_out;
- if ((drb_reg_id > LPFC_DRB_MAX) &&
- (drb_reg_id != LPFC_DRB_ACC_ALL))
- goto error_out;
- } else
- goto error_out;
- /* Perform the write access operation */
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
- switch (drb_reg_id) {
- case LPFC_DRB_EQ:
- drb_reg = phba->sli4_hba.EQDBregaddr;
- break;
- case LPFC_DRB_CQ:
- drb_reg = phba->sli4_hba.CQDBregaddr;
- break;
- case LPFC_DRB_MQ:
- drb_reg = phba->sli4_hba.MQDBregaddr;
- break;
- case LPFC_DRB_WQ:
- drb_reg = phba->sli4_hba.WQDBregaddr;
- break;
- case LPFC_DRB_RQ:
- drb_reg = phba->sli4_hba.RQDBregaddr;
- break;
- default:
- goto error_out;
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR)
- reg_val = value;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) {
- reg_val = readl(drb_reg);
- reg_val |= value;
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
- reg_val = readl(drb_reg);
- reg_val &= ~value;
- }
- writel(reg_val, drb_reg);
- readl(drb_reg); /* flush */
- }
- return nbytes;
- error_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
- * @phba: The pointer to hba structure.
- * @pbuffer: The pointer to the buffer to copy the data to.
- * @len: The length of bytes to copied.
- * @drbregid: The id to doorbell registers.
- *
- * Description:
- * This routine reads a control register and copies its content to the
- * user buffer pointed to by @pbuffer.
- *
- * Returns:
- * This function returns the amount of data that was copied into @pbuffer.
- **/
- static int
- lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
- int len, uint32_t ctlregid)
- {
- if (!pbuffer)
- return 0;
- switch (ctlregid) {
- case LPFC_CTL_PORT_SEM:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "Port SemReg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_SEM_OFFSET));
- break;
- case LPFC_CTL_PORT_STA:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "Port StaReg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_STA_OFFSET));
- break;
- case LPFC_CTL_PORT_CTL:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "Port CtlReg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_CTL_OFFSET));
- break;
- case LPFC_CTL_PORT_ER1:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "Port Er1Reg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_ER1_OFFSET));
- break;
- case LPFC_CTL_PORT_ER2:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "Port Er2Reg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_ER2_OFFSET));
- break;
- case LPFC_CTL_PDEV_CTL:
- len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
- "PDev CtlReg: 0x%08x\n",
- readl(phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PDEV_CTL_OFFSET));
- break;
- default:
- break;
- }
- return len;
- }
- /**
- * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba port and device registers according
- * to the idiag command, and copies to user @buf.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t ctl_reg_id, i;
- char *pbuffer;
- int len = 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD)
- ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
- else
- return 0;
- if (ctl_reg_id == LPFC_CTL_ACC_ALL)
- for (i = 1; i <= LPFC_CTL_MAX; i++)
- len = lpfc_idiag_ctlacc_read_reg(phba,
- pbuffer, len, i);
- else
- len = lpfc_idiag_ctlacc_read_reg(phba,
- pbuffer, len, ctl_reg_id);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and then
- * perform the syntax check for port and device control register read (dump)
- * or write (set) command accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- uint32_t ctl_reg_id, value, reg_val = 0;
- void __iomem *ctl_reg;
- int rc;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- /* Sanity check on command line arguments */
- ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
- value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX];
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
- if (rc != LPFC_CTL_ACC_WR_CMD_ARG)
- goto error_out;
- if (ctl_reg_id > LPFC_CTL_MAX)
- goto error_out;
- } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) {
- if (rc != LPFC_CTL_ACC_RD_CMD_ARG)
- goto error_out;
- if ((ctl_reg_id > LPFC_CTL_MAX) &&
- (ctl_reg_id != LPFC_CTL_ACC_ALL))
- goto error_out;
- } else
- goto error_out;
- /* Perform the write access operation */
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
- idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
- switch (ctl_reg_id) {
- case LPFC_CTL_PORT_SEM:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_SEM_OFFSET;
- break;
- case LPFC_CTL_PORT_STA:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_STA_OFFSET;
- break;
- case LPFC_CTL_PORT_CTL:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_CTL_OFFSET;
- break;
- case LPFC_CTL_PORT_ER1:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_ER1_OFFSET;
- break;
- case LPFC_CTL_PORT_ER2:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PORT_ER2_OFFSET;
- break;
- case LPFC_CTL_PDEV_CTL:
- ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_CTL_PDEV_CTL_OFFSET;
- break;
- default:
- goto error_out;
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR)
- reg_val = value;
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) {
- reg_val = readl(ctl_reg);
- reg_val |= value;
- }
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
- reg_val = readl(ctl_reg);
- reg_val &= ~value;
- }
- writel(reg_val, ctl_reg);
- readl(ctl_reg); /* flush */
- }
- return nbytes;
- error_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
- * @phba: Pointer to HBA context object.
- * @pbuffer: Pointer to data buffer.
- *
- * Description:
- * This routine gets the driver mailbox access debugfs setup information.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static int
- lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer)
- {
- uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
- int len = 0;
- mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
- mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
- mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
- mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
- len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
- "mbx_dump_map: 0x%08x\n", mbx_dump_map);
- len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
- "mbx_dump_cnt: %04d\n", mbx_dump_cnt);
- len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
- "mbx_word_cnt: %04d\n", mbx_word_cnt);
- len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
- "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd);
- return len;
- }
- /**
- * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the @phba driver mailbox access debugfs setup
- * information.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- char *pbuffer;
- int len = 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) &&
- (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP))
- return 0;
- len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- /**
- * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and then
- * perform the syntax check for driver mailbox command (dump) and sets up the
- * necessary states in the idiag command struct accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
- int rc;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- /* Sanity check on command line arguments */
- mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
- mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
- mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
- mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
- if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) {
- if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL))
- goto error_out;
- if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) &&
- (mbx_dump_map != LPFC_MBX_DMP_ALL))
- goto error_out;
- if (mbx_word_cnt > sizeof(MAILBOX_t))
- goto error_out;
- } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) {
- if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL))
- goto error_out;
- if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) &&
- (mbx_dump_map != LPFC_MBX_DMP_ALL))
- goto error_out;
- if (mbx_word_cnt > (BSG_MBOX_SIZE)/4)
- goto error_out;
- if (mbx_mbox_cmd != 0x9b)
- goto error_out;
- } else
- goto error_out;
- if (mbx_word_cnt == 0)
- goto error_out;
- if (rc != LPFC_MBX_DMP_ARG)
- goto error_out;
- if (mbx_mbox_cmd & ~0xff)
- goto error_out;
- /* condition for stop mailbox dump */
- if (mbx_dump_cnt == 0)
- goto reset_out;
- return nbytes;
- reset_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return nbytes;
- error_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_extacc_avail_get - get the available extents information
- * @phba: pointer to lpfc hba data structure.
- * @pbuffer: pointer to internal buffer.
- * @len: length into the internal buffer data has been copied.
- *
- * Description:
- * This routine is to get the available extent information.
- *
- * Returns:
- * overall lenth of the data read into the internal buffer.
- **/
- static int
- lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len)
- {
- uint16_t ext_cnt, ext_size;
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\nAvailable Extents Information:\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tPort Available VPI extents: ");
- lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI,
- &ext_cnt, &ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Count %3d, Size %3d\n", ext_cnt, ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tPort Available VFI extents: ");
- lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI,
- &ext_cnt, &ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Count %3d, Size %3d\n", ext_cnt, ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tPort Available RPI extents: ");
- lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI,
- &ext_cnt, &ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Count %3d, Size %3d\n", ext_cnt, ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tPort Available XRI extents: ");
- lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI,
- &ext_cnt, &ext_size);
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Count %3d, Size %3d\n", ext_cnt, ext_size);
- return len;
- }
- /**
- * lpfc_idiag_extacc_alloc_get - get the allocated extents information
- * @phba: pointer to lpfc hba data structure.
- * @pbuffer: pointer to internal buffer.
- * @len: length into the internal buffer data has been copied.
- *
- * Description:
- * This routine is to get the allocated extent information.
- *
- * Returns:
- * overall lenth of the data read into the internal buffer.
- **/
- static int
- lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len)
- {
- uint16_t ext_cnt, ext_size;
- int rc;
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\nAllocated Extents Information:\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tHost Allocated VPI extents: ");
- rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI,
- &ext_cnt, &ext_size);
- if (!rc)
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Port %d Extent %3d, Size %3d\n",
- phba->brd_no, ext_cnt, ext_size);
- else
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "N/A\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tHost Allocated VFI extents: ");
- rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI,
- &ext_cnt, &ext_size);
- if (!rc)
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Port %d Extent %3d, Size %3d\n",
- phba->brd_no, ext_cnt, ext_size);
- else
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "N/A\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tHost Allocated RPI extents: ");
- rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI,
- &ext_cnt, &ext_size);
- if (!rc)
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Port %d Extent %3d, Size %3d\n",
- phba->brd_no, ext_cnt, ext_size);
- else
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "N/A\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tHost Allocated XRI extents: ");
- rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI,
- &ext_cnt, &ext_size);
- if (!rc)
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "Port %d Extent %3d, Size %3d\n",
- phba->brd_no, ext_cnt, ext_size);
- else
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "N/A\n");
- return len;
- }
- /**
- * lpfc_idiag_extacc_drivr_get - get driver extent information
- * @phba: pointer to lpfc hba data structure.
- * @pbuffer: pointer to internal buffer.
- * @len: length into the internal buffer data has been copied.
- *
- * Description:
- * This routine is to get the driver extent information.
- *
- * Returns:
- * overall lenth of the data read into the internal buffer.
- **/
- static int
- lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len)
- {
- struct lpfc_rsrc_blks *rsrc_blks;
- int index;
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\nDriver Extents Information:\n");
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tVPI extents:\n");
- index = 0;
- list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) {
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\t\tBlock %3d: Start %4d, Count %4d\n",
- index, rsrc_blks->rsrc_start,
- rsrc_blks->rsrc_size);
- index++;
- }
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tVFI extents:\n");
- index = 0;
- list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list,
- list) {
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\t\tBlock %3d: Start %4d, Count %4d\n",
- index, rsrc_blks->rsrc_start,
- rsrc_blks->rsrc_size);
- index++;
- }
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tRPI extents:\n");
- index = 0;
- list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list,
- list) {
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\t\tBlock %3d: Start %4d, Count %4d\n",
- index, rsrc_blks->rsrc_start,
- rsrc_blks->rsrc_size);
- index++;
- }
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\tXRI extents:\n");
- index = 0;
- list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list,
- list) {
- len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
- "\t\tBlock %3d: Start %4d, Count %4d\n",
- index, rsrc_blks->rsrc_start,
- rsrc_blks->rsrc_size);
- index++;
- }
- return len;
- }
- /**
- * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the user data from.
- * @nbytes: The number of bytes to get.
- * @ppos: The position in the file to start reading from.
- *
- * This routine get the debugfs idiag command struct from user space and then
- * perform the syntax check for extent information access commands and sets
- * up the necessary states in the idiag command struct accordingly.
- *
- * It returns the @nbytges passing in from debugfs user space when successful.
- * In case of error conditions, it returns proper error code back to the user
- * space.
- **/
- static ssize_t
- lpfc_idiag_extacc_write(struct file *file, const char __user *buf,
- size_t nbytes, loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- uint32_t ext_map;
- int rc;
- /* This is a user write operation */
- debug->op = LPFC_IDIAG_OP_WR;
- rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
- if (rc < 0)
- return rc;
- ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
- if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
- goto error_out;
- if (rc != LPFC_EXT_ACC_CMD_ARG)
- goto error_out;
- if (!(ext_map & LPFC_EXT_ACC_ALL))
- goto error_out;
- return nbytes;
- error_out:
- /* Clean out command structure on command error out */
- memset(&idiag, 0, sizeof(idiag));
- return -EINVAL;
- }
- /**
- * lpfc_idiag_extacc_read - idiag debugfs read access to extent information
- * @file: The file pointer to read from.
- * @buf: The buffer to copy the data to.
- * @nbytes: The number of bytes to read.
- * @ppos: The position in the file to start reading from.
- *
- * Description:
- * This routine reads data from the proper extent information according to
- * the idiag command, and copies to user @buf.
- *
- * Returns:
- * This function returns the amount of data that was read (this could be less
- * than @nbytes if the end of the file was reached) or a negative error value.
- **/
- static ssize_t
- lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes,
- loff_t *ppos)
- {
- struct lpfc_debug *debug = file->private_data;
- struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
- char *pbuffer;
- uint32_t ext_map;
- int len = 0;
- /* This is a user read operation */
- debug->op = LPFC_IDIAG_OP_RD;
- if (!debug->buffer)
- debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL);
- if (!debug->buffer)
- return 0;
- pbuffer = debug->buffer;
- if (*ppos)
- return 0;
- if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
- return 0;
- ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
- if (ext_map & LPFC_EXT_ACC_AVAIL)
- len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len);
- if (ext_map & LPFC_EXT_ACC_ALLOC)
- len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len);
- if (ext_map & LPFC_EXT_ACC_DRIVR)
- len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len);
- return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
- }
- #undef lpfc_debugfs_op_disc_trc
- static const struct file_operations lpfc_debugfs_op_disc_trc = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_disc_trc_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_nodelist
- static const struct file_operations lpfc_debugfs_op_nodelist = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_nodelist_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_multixripools
- static const struct file_operations lpfc_debugfs_op_multixripools = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_multixripools_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_multixripools_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_hbqinfo
- static const struct file_operations lpfc_debugfs_op_hbqinfo = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_hbqinfo_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- #ifdef LPFC_HDWQ_LOCK_STAT
- #undef lpfc_debugfs_op_lockstat
- static const struct file_operations lpfc_debugfs_op_lockstat = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_lockstat_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_lockstat_write,
- .release = lpfc_debugfs_release,
- };
- #endif
- #undef lpfc_debugfs_ras_log
- static const struct file_operations lpfc_debugfs_ras_log = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_ras_log_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_ras_log_release,
- };
- #undef lpfc_debugfs_op_dumpHBASlim
- static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_dumpHBASlim_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_dumpHostSlim
- static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_dumpHostSlim_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_nvmestat
- static const struct file_operations lpfc_debugfs_op_nvmestat = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_nvmestat_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_nvmestat_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_scsistat
- static const struct file_operations lpfc_debugfs_op_scsistat = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_scsistat_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_scsistat_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_ioktime
- static const struct file_operations lpfc_debugfs_op_ioktime = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_ioktime_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_ioktime_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_nvmeio_trc
- static const struct file_operations lpfc_debugfs_op_nvmeio_trc = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_nvmeio_trc_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_nvmeio_trc_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_hdwqstat
- static const struct file_operations lpfc_debugfs_op_hdwqstat = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_hdwqstat_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .write = lpfc_debugfs_hdwqstat_write,
- .release = lpfc_debugfs_release,
- };
- #undef lpfc_debugfs_op_dif_err
- static const struct file_operations lpfc_debugfs_op_dif_err = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_dif_err_read,
- .write = lpfc_debugfs_dif_err_write,
- .release = lpfc_debugfs_dif_err_release,
- };
- #undef lpfc_debugfs_op_slow_ring_trc
- static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
- .owner = THIS_MODULE,
- .open = lpfc_debugfs_slow_ring_trc_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_debugfs_read,
- .release = lpfc_debugfs_release,
- };
- static struct dentry *lpfc_debugfs_root = NULL;
- static atomic_t lpfc_debugfs_hba_count;
- /*
- * File operations for the iDiag debugfs
- */
- #undef lpfc_idiag_op_pciCfg
- static const struct file_operations lpfc_idiag_op_pciCfg = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_pcicfg_read,
- .write = lpfc_idiag_pcicfg_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_barAcc
- static const struct file_operations lpfc_idiag_op_barAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_baracc_read,
- .write = lpfc_idiag_baracc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_queInfo
- static const struct file_operations lpfc_idiag_op_queInfo = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .read = lpfc_idiag_queinfo_read,
- .release = lpfc_idiag_release,
- };
- #undef lpfc_idiag_op_queAcc
- static const struct file_operations lpfc_idiag_op_queAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_queacc_read,
- .write = lpfc_idiag_queacc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_drbAcc
- static const struct file_operations lpfc_idiag_op_drbAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_drbacc_read,
- .write = lpfc_idiag_drbacc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_ctlAcc
- static const struct file_operations lpfc_idiag_op_ctlAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_ctlacc_read,
- .write = lpfc_idiag_ctlacc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_mbxAcc
- static const struct file_operations lpfc_idiag_op_mbxAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_mbxacc_read,
- .write = lpfc_idiag_mbxacc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #undef lpfc_idiag_op_extAcc
- static const struct file_operations lpfc_idiag_op_extAcc = {
- .owner = THIS_MODULE,
- .open = lpfc_idiag_open,
- .llseek = lpfc_debugfs_lseek,
- .read = lpfc_idiag_extacc_read,
- .write = lpfc_idiag_extacc_write,
- .release = lpfc_idiag_cmd_release,
- };
- #endif
- /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
- * @phba: Pointer to HBA context object.
- * @dmabuf: Pointer to a DMA buffer descriptor.
- *
- * Description:
- * This routine dump a bsg pass-through non-embedded mailbox command with
- * external buffer.
- **/
- void
- lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp,
- enum mbox_type mbox_tp, enum dma_type dma_tp,
- enum sta_type sta_tp,
- struct lpfc_dmabuf *dmabuf, uint32_t ext_buf)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt;
- char line_buf[LPFC_MBX_ACC_LBUF_SZ];
- int len = 0;
- uint32_t do_dump = 0;
- uint32_t *pword;
- uint32_t i;
- if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)
- return;
- mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
- mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
- mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
- mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
- if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) ||
- (*mbx_dump_cnt == 0) ||
- (*mbx_word_cnt == 0))
- return;
- if (*mbx_mbox_cmd != 0x9B)
- return;
- if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) {
- if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) {
- do_dump |= LPFC_BSG_DMP_MBX_RD_MBX;
- pr_err("\nRead mbox command (x%x), "
- "nemb:0x%x, extbuf_cnt:%d:\n",
- sta_tp, nemb_tp, ext_buf);
- }
- }
- if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) {
- if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) {
- do_dump |= LPFC_BSG_DMP_MBX_RD_BUF;
- pr_err("\nRead mbox buffer (x%x), "
- "nemb:0x%x, extbuf_seq:%d:\n",
- sta_tp, nemb_tp, ext_buf);
- }
- }
- if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) {
- if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) {
- do_dump |= LPFC_BSG_DMP_MBX_WR_MBX;
- pr_err("\nWrite mbox command (x%x), "
- "nemb:0x%x, extbuf_cnt:%d:\n",
- sta_tp, nemb_tp, ext_buf);
- }
- }
- if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) {
- if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) {
- do_dump |= LPFC_BSG_DMP_MBX_WR_BUF;
- pr_err("\nWrite mbox buffer (x%x), "
- "nemb:0x%x, extbuf_seq:%d:\n",
- sta_tp, nemb_tp, ext_buf);
- }
- }
- /* dump buffer content */
- if (do_dump) {
- pword = (uint32_t *)dmabuf->virt;
- for (i = 0; i < *mbx_word_cnt; i++) {
- if (!(i % 8)) {
- if (i != 0)
- pr_err("%s\n", line_buf);
- len = 0;
- len += scnprintf(line_buf+len,
- LPFC_MBX_ACC_LBUF_SZ-len,
- "%03d: ", i);
- }
- len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
- "%08x ", (uint32_t)*pword);
- pword++;
- }
- if ((i - 1) % 8)
- pr_err("%s\n", line_buf);
- (*mbx_dump_cnt)--;
- }
- /* Clean out command structure on reaching dump count */
- if (*mbx_dump_cnt == 0)
- memset(&idiag, 0, sizeof(idiag));
- return;
- #endif
- }
- /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
- * @phba: Pointer to HBA context object.
- * @dmabuf: Pointer to a DMA buffer descriptor.
- *
- * Description:
- * This routine dump a pass-through non-embedded mailbox command from issue
- * mailbox command.
- **/
- void
- lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd;
- char line_buf[LPFC_MBX_ACC_LBUF_SZ];
- int len = 0;
- uint32_t *pword;
- uint8_t *pbyte;
- uint32_t i, j;
- if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP)
- return;
- mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
- mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
- mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
- mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
- if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) ||
- (*mbx_dump_cnt == 0) ||
- (*mbx_word_cnt == 0))
- return;
- if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) &&
- (*mbx_mbox_cmd != pmbox->mbxCommand))
- return;
- /* dump buffer content */
- if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) {
- pr_err("Mailbox command:0x%x dump by word:\n",
- pmbox->mbxCommand);
- pword = (uint32_t *)pmbox;
- for (i = 0; i < *mbx_word_cnt; i++) {
- if (!(i % 8)) {
- if (i != 0)
- pr_err("%s\n", line_buf);
- len = 0;
- memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
- len += scnprintf(line_buf+len,
- LPFC_MBX_ACC_LBUF_SZ-len,
- "%03d: ", i);
- }
- len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
- "%08x ",
- ((uint32_t)*pword) & 0xffffffff);
- pword++;
- }
- if ((i - 1) % 8)
- pr_err("%s\n", line_buf);
- pr_err("\n");
- }
- if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) {
- pr_err("Mailbox command:0x%x dump by byte:\n",
- pmbox->mbxCommand);
- pbyte = (uint8_t *)pmbox;
- for (i = 0; i < *mbx_word_cnt; i++) {
- if (!(i % 8)) {
- if (i != 0)
- pr_err("%s\n", line_buf);
- len = 0;
- memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
- len += scnprintf(line_buf+len,
- LPFC_MBX_ACC_LBUF_SZ-len,
- "%03d: ", i);
- }
- for (j = 0; j < 4; j++) {
- len += scnprintf(line_buf+len,
- LPFC_MBX_ACC_LBUF_SZ-len,
- "%02x",
- ((uint8_t)*pbyte) & 0xff);
- pbyte++;
- }
- len += scnprintf(line_buf+len,
- LPFC_MBX_ACC_LBUF_SZ-len, " ");
- }
- if ((i - 1) % 8)
- pr_err("%s\n", line_buf);
- pr_err("\n");
- }
- (*mbx_dump_cnt)--;
- /* Clean out command structure on reaching dump count */
- if (*mbx_dump_cnt == 0)
- memset(&idiag, 0, sizeof(idiag));
- return;
- #endif
- }
- /**
- * lpfc_debugfs_initialize - Initialize debugfs for a vport
- * @vport: The vport pointer to initialize.
- *
- * Description:
- * When Debugfs is configured this routine sets up the lpfc debugfs file system.
- * If not already created, this routine will create the lpfc directory, and
- * lpfcX directory (for this HBA), and vportX directory for this vport. It will
- * also create each file used to access lpfc specific debugfs information.
- **/
- inline void
- lpfc_debugfs_initialize(struct lpfc_vport *vport)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- struct lpfc_hba *phba = vport->phba;
- char name[64];
- uint32_t num, i;
- bool pport_setup = false;
- if (!lpfc_debugfs_enable)
- return;
- /* Setup lpfc root directory */
- if (!lpfc_debugfs_root) {
- lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
- atomic_set(&lpfc_debugfs_hba_count, 0);
- }
- if (!lpfc_debugfs_start_time)
- lpfc_debugfs_start_time = jiffies;
- /* Setup funcX directory for specific HBA PCI function */
- snprintf(name, sizeof(name), "fn%d", phba->brd_no);
- if (!phba->hba_debugfs_root) {
- pport_setup = true;
- phba->hba_debugfs_root =
- debugfs_create_dir(name, lpfc_debugfs_root);
- atomic_inc(&lpfc_debugfs_hba_count);
- atomic_set(&phba->debugfs_vport_count, 0);
- /* Multi-XRI pools */
- snprintf(name, sizeof(name), "multixripools");
- phba->debug_multixri_pools =
- debugfs_create_file(name, S_IFREG | 0644,
- phba->hba_debugfs_root,
- phba,
- &lpfc_debugfs_op_multixripools);
- if (!phba->debug_multixri_pools) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0527 Cannot create debugfs multixripools\n");
- goto debug_failed;
- }
- /* RAS log */
- snprintf(name, sizeof(name), "ras_log");
- phba->debug_ras_log =
- debugfs_create_file(name, 0644,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_ras_log);
- if (!phba->debug_ras_log) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "6148 Cannot create debugfs"
- " ras_log\n");
- goto debug_failed;
- }
- /* Setup hbqinfo */
- snprintf(name, sizeof(name), "hbqinfo");
- phba->debug_hbqinfo =
- debugfs_create_file(name, S_IFREG | 0644,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_hbqinfo);
- #ifdef LPFC_HDWQ_LOCK_STAT
- /* Setup lockstat */
- snprintf(name, sizeof(name), "lockstat");
- phba->debug_lockstat =
- debugfs_create_file(name, S_IFREG | 0644,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_lockstat);
- if (!phba->debug_lockstat) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "4610 Cant create debugfs lockstat\n");
- goto debug_failed;
- }
- #endif
- /* Setup dumpHBASlim */
- if (phba->sli_rev < LPFC_SLI_REV4) {
- snprintf(name, sizeof(name), "dumpHBASlim");
- phba->debug_dumpHBASlim =
- debugfs_create_file(name,
- S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dumpHBASlim);
- } else
- phba->debug_dumpHBASlim = NULL;
- /* Setup dumpHostSlim */
- if (phba->sli_rev < LPFC_SLI_REV4) {
- snprintf(name, sizeof(name), "dumpHostSlim");
- phba->debug_dumpHostSlim =
- debugfs_create_file(name,
- S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dumpHostSlim);
- } else
- phba->debug_dumpHostSlim = NULL;
- /* Setup DIF Error Injections */
- snprintf(name, sizeof(name), "InjErrLBA");
- phba->debug_InjErrLBA =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
- snprintf(name, sizeof(name), "InjErrNPortID");
- phba->debug_InjErrNPortID =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "InjErrWWPN");
- phba->debug_InjErrWWPN =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "writeGuardInjErr");
- phba->debug_writeGuard =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "writeAppInjErr");
- phba->debug_writeApp =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "writeRefInjErr");
- phba->debug_writeRef =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "readGuardInjErr");
- phba->debug_readGuard =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "readAppInjErr");
- phba->debug_readApp =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- snprintf(name, sizeof(name), "readRefInjErr");
- phba->debug_readRef =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_dif_err);
- /* Setup slow ring trace */
- if (lpfc_debugfs_max_slow_ring_trc) {
- num = lpfc_debugfs_max_slow_ring_trc - 1;
- if (num & lpfc_debugfs_max_slow_ring_trc) {
- /* Change to be a power of 2 */
- num = lpfc_debugfs_max_slow_ring_trc;
- i = 0;
- while (num > 1) {
- num = num >> 1;
- i++;
- }
- lpfc_debugfs_max_slow_ring_trc = (1 << i);
- pr_err("lpfc_debugfs_max_disc_trc changed to "
- "%d\n", lpfc_debugfs_max_disc_trc);
- }
- }
- snprintf(name, sizeof(name), "slow_ring_trace");
- phba->debug_slow_ring_trc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_slow_ring_trc);
- if (!phba->slow_ring_trc) {
- phba->slow_ring_trc = kmalloc(
- (sizeof(struct lpfc_debugfs_trc) *
- lpfc_debugfs_max_slow_ring_trc),
- GFP_KERNEL);
- if (!phba->slow_ring_trc) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0416 Cannot create debugfs "
- "slow_ring buffer\n");
- goto debug_failed;
- }
- atomic_set(&phba->slow_ring_trc_cnt, 0);
- memset(phba->slow_ring_trc, 0,
- (sizeof(struct lpfc_debugfs_trc) *
- lpfc_debugfs_max_slow_ring_trc));
- }
- snprintf(name, sizeof(name), "nvmeio_trc");
- phba->debug_nvmeio_trc =
- debugfs_create_file(name, 0644,
- phba->hba_debugfs_root,
- phba, &lpfc_debugfs_op_nvmeio_trc);
- atomic_set(&phba->nvmeio_trc_cnt, 0);
- if (lpfc_debugfs_max_nvmeio_trc) {
- num = lpfc_debugfs_max_nvmeio_trc - 1;
- if (num & lpfc_debugfs_max_disc_trc) {
- /* Change to be a power of 2 */
- num = lpfc_debugfs_max_nvmeio_trc;
- i = 0;
- while (num > 1) {
- num = num >> 1;
- i++;
- }
- lpfc_debugfs_max_nvmeio_trc = (1 << i);
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0575 lpfc_debugfs_max_nvmeio_trc "
- "changed to %d\n",
- lpfc_debugfs_max_nvmeio_trc);
- }
- phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc;
- /* Allocate trace buffer and initialize */
- phba->nvmeio_trc = kzalloc(
- (sizeof(struct lpfc_debugfs_nvmeio_trc) *
- phba->nvmeio_trc_size), GFP_KERNEL);
- if (!phba->nvmeio_trc) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0576 Cannot create debugfs "
- "nvmeio_trc buffer\n");
- goto nvmeio_off;
- }
- phba->nvmeio_trc_on = 1;
- phba->nvmeio_trc_output_idx = 0;
- phba->nvmeio_trc = NULL;
- } else {
- nvmeio_off:
- phba->nvmeio_trc_size = 0;
- phba->nvmeio_trc_on = 0;
- phba->nvmeio_trc_output_idx = 0;
- phba->nvmeio_trc = NULL;
- }
- }
- snprintf(name, sizeof(name), "vport%d", vport->vpi);
- if (!vport->vport_debugfs_root) {
- vport->vport_debugfs_root =
- debugfs_create_dir(name, phba->hba_debugfs_root);
- atomic_inc(&phba->debugfs_vport_count);
- }
- if (lpfc_debugfs_max_disc_trc) {
- num = lpfc_debugfs_max_disc_trc - 1;
- if (num & lpfc_debugfs_max_disc_trc) {
- /* Change to be a power of 2 */
- num = lpfc_debugfs_max_disc_trc;
- i = 0;
- while (num > 1) {
- num = num >> 1;
- i++;
- }
- lpfc_debugfs_max_disc_trc = (1 << i);
- pr_err("lpfc_debugfs_max_disc_trc changed to %d\n",
- lpfc_debugfs_max_disc_trc);
- }
- }
- vport->disc_trc = kzalloc(
- (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
- GFP_KERNEL);
- if (!vport->disc_trc) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0418 Cannot create debugfs disc trace "
- "buffer\n");
- goto debug_failed;
- }
- atomic_set(&vport->disc_trc_cnt, 0);
- snprintf(name, sizeof(name), "discovery_trace");
- vport->debug_disc_trc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_disc_trc);
- snprintf(name, sizeof(name), "nodelist");
- vport->debug_nodelist =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_nodelist);
- snprintf(name, sizeof(name), "nvmestat");
- vport->debug_nvmestat =
- debugfs_create_file(name, 0644,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_nvmestat);
- snprintf(name, sizeof(name), "scsistat");
- vport->debug_scsistat =
- debugfs_create_file(name, 0644,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_scsistat);
- if (!vport->debug_scsistat) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "4611 Cannot create debugfs scsistat\n");
- goto debug_failed;
- }
- snprintf(name, sizeof(name), "ioktime");
- vport->debug_ioktime =
- debugfs_create_file(name, 0644,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_ioktime);
- if (!vport->debug_ioktime) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
- "0815 Cannot create debugfs ioktime\n");
- goto debug_failed;
- }
- snprintf(name, sizeof(name), "hdwqstat");
- vport->debug_hdwqstat =
- debugfs_create_file(name, 0644,
- vport->vport_debugfs_root,
- vport, &lpfc_debugfs_op_hdwqstat);
- /*
- * The following section is for additional directories/files for the
- * physical port.
- */
- if (!pport_setup)
- goto debug_failed;
- /*
- * iDiag debugfs root entry points for SLI4 device only
- */
- if (phba->sli_rev < LPFC_SLI_REV4)
- goto debug_failed;
- snprintf(name, sizeof(name), "iDiag");
- if (!phba->idiag_root) {
- phba->idiag_root =
- debugfs_create_dir(name, phba->hba_debugfs_root);
- /* Initialize iDiag data structure */
- memset(&idiag, 0, sizeof(idiag));
- }
- /* iDiag read PCI config space */
- snprintf(name, sizeof(name), "pciCfg");
- if (!phba->idiag_pci_cfg) {
- phba->idiag_pci_cfg =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_pciCfg);
- idiag.offset.last_rd = 0;
- }
- /* iDiag PCI BAR access */
- snprintf(name, sizeof(name), "barAcc");
- if (!phba->idiag_bar_acc) {
- phba->idiag_bar_acc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_barAcc);
- idiag.offset.last_rd = 0;
- }
- /* iDiag get PCI function queue information */
- snprintf(name, sizeof(name), "queInfo");
- if (!phba->idiag_que_info) {
- phba->idiag_que_info =
- debugfs_create_file(name, S_IFREG|S_IRUGO,
- phba->idiag_root, phba, &lpfc_idiag_op_queInfo);
- }
- /* iDiag access PCI function queue */
- snprintf(name, sizeof(name), "queAcc");
- if (!phba->idiag_que_acc) {
- phba->idiag_que_acc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_queAcc);
- }
- /* iDiag access PCI function doorbell registers */
- snprintf(name, sizeof(name), "drbAcc");
- if (!phba->idiag_drb_acc) {
- phba->idiag_drb_acc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_drbAcc);
- }
- /* iDiag access PCI function control registers */
- snprintf(name, sizeof(name), "ctlAcc");
- if (!phba->idiag_ctl_acc) {
- phba->idiag_ctl_acc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc);
- }
- /* iDiag access mbox commands */
- snprintf(name, sizeof(name), "mbxAcc");
- if (!phba->idiag_mbx_acc) {
- phba->idiag_mbx_acc =
- debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc);
- }
- /* iDiag extents access commands */
- if (phba->sli4_hba.extents_in_use) {
- snprintf(name, sizeof(name), "extAcc");
- if (!phba->idiag_ext_acc) {
- phba->idiag_ext_acc =
- debugfs_create_file(name,
- S_IFREG|S_IRUGO|S_IWUSR,
- phba->idiag_root, phba,
- &lpfc_idiag_op_extAcc);
- }
- }
- debug_failed:
- return;
- #endif
- }
- /**
- * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
- * @vport: The vport pointer to remove from debugfs.
- *
- * Description:
- * When Debugfs is configured this routine removes debugfs file system elements
- * that are specific to this vport. It also checks to see if there are any
- * users left for the debugfs directories associated with the HBA and driver. If
- * this is the last user of the HBA directory or driver directory then it will
- * remove those from the debugfs infrastructure as well.
- **/
- inline void
- lpfc_debugfs_terminate(struct lpfc_vport *vport)
- {
- #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- struct lpfc_hba *phba = vport->phba;
- kfree(vport->disc_trc);
- vport->disc_trc = NULL;
- debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
- vport->debug_disc_trc = NULL;
- debugfs_remove(vport->debug_nodelist); /* nodelist */
- vport->debug_nodelist = NULL;
- debugfs_remove(vport->debug_nvmestat); /* nvmestat */
- vport->debug_nvmestat = NULL;
- debugfs_remove(vport->debug_scsistat); /* scsistat */
- vport->debug_scsistat = NULL;
- debugfs_remove(vport->debug_ioktime); /* ioktime */
- vport->debug_ioktime = NULL;
- debugfs_remove(vport->debug_hdwqstat); /* hdwqstat */
- vport->debug_hdwqstat = NULL;
- if (vport->vport_debugfs_root) {
- debugfs_remove(vport->vport_debugfs_root); /* vportX */
- vport->vport_debugfs_root = NULL;
- atomic_dec(&phba->debugfs_vport_count);
- }
- if (atomic_read(&phba->debugfs_vport_count) == 0) {
- debugfs_remove(phba->debug_multixri_pools); /* multixripools*/
- phba->debug_multixri_pools = NULL;
- debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
- phba->debug_hbqinfo = NULL;
- debugfs_remove(phba->debug_ras_log);
- phba->debug_ras_log = NULL;
- #ifdef LPFC_HDWQ_LOCK_STAT
- debugfs_remove(phba->debug_lockstat); /* lockstat */
- phba->debug_lockstat = NULL;
- #endif
- debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
- phba->debug_dumpHBASlim = NULL;
- debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
- phba->debug_dumpHostSlim = NULL;
- debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
- phba->debug_InjErrLBA = NULL;
- debugfs_remove(phba->debug_InjErrNPortID);
- phba->debug_InjErrNPortID = NULL;
- debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */
- phba->debug_InjErrWWPN = NULL;
- debugfs_remove(phba->debug_writeGuard); /* writeGuard */
- phba->debug_writeGuard = NULL;
- debugfs_remove(phba->debug_writeApp); /* writeApp */
- phba->debug_writeApp = NULL;
- debugfs_remove(phba->debug_writeRef); /* writeRef */
- phba->debug_writeRef = NULL;
- debugfs_remove(phba->debug_readGuard); /* readGuard */
- phba->debug_readGuard = NULL;
- debugfs_remove(phba->debug_readApp); /* readApp */
- phba->debug_readApp = NULL;
- debugfs_remove(phba->debug_readRef); /* readRef */
- phba->debug_readRef = NULL;
- kfree(phba->slow_ring_trc);
- phba->slow_ring_trc = NULL;
- /* slow_ring_trace */
- debugfs_remove(phba->debug_slow_ring_trc);
- phba->debug_slow_ring_trc = NULL;
- debugfs_remove(phba->debug_nvmeio_trc);
- phba->debug_nvmeio_trc = NULL;
- kfree(phba->nvmeio_trc);
- phba->nvmeio_trc = NULL;
- /*
- * iDiag release
- */
- if (phba->sli_rev == LPFC_SLI_REV4) {
- /* iDiag extAcc */
- debugfs_remove(phba->idiag_ext_acc);
- phba->idiag_ext_acc = NULL;
- /* iDiag mbxAcc */
- debugfs_remove(phba->idiag_mbx_acc);
- phba->idiag_mbx_acc = NULL;
- /* iDiag ctlAcc */
- debugfs_remove(phba->idiag_ctl_acc);
- phba->idiag_ctl_acc = NULL;
- /* iDiag drbAcc */
- debugfs_remove(phba->idiag_drb_acc);
- phba->idiag_drb_acc = NULL;
- /* iDiag queAcc */
- debugfs_remove(phba->idiag_que_acc);
- phba->idiag_que_acc = NULL;
- /* iDiag queInfo */
- debugfs_remove(phba->idiag_que_info);
- phba->idiag_que_info = NULL;
- /* iDiag barAcc */
- debugfs_remove(phba->idiag_bar_acc);
- phba->idiag_bar_acc = NULL;
- /* iDiag pciCfg */
- debugfs_remove(phba->idiag_pci_cfg);
- phba->idiag_pci_cfg = NULL;
- /* Finally remove the iDiag debugfs root */
- debugfs_remove(phba->idiag_root);
- phba->idiag_root = NULL;
- }
- if (phba->hba_debugfs_root) {
- debugfs_remove(phba->hba_debugfs_root); /* fnX */
- phba->hba_debugfs_root = NULL;
- atomic_dec(&lpfc_debugfs_hba_count);
- }
- if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
- debugfs_remove(lpfc_debugfs_root); /* lpfc */
- lpfc_debugfs_root = NULL;
- }
- }
- #endif
- return;
- }
- /*
- * Driver debug utility routines outside of debugfs. The debug utility
- * routines implemented here is intended to be used in the instrumented
- * debug driver for debugging host or port issues.
- */
- /**
- * lpfc_debug_dump_all_queues - dump all the queues with a hba
- * @phba: Pointer to HBA context object.
- *
- * This function dumps entries of all the queues asociated with the @phba.
- **/
- void
- lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
- {
- int idx;
- /*
- * Dump Work Queues (WQs)
- */
- lpfc_debug_dump_wq(phba, DUMP_MBX, 0);
- lpfc_debug_dump_wq(phba, DUMP_ELS, 0);
- lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0);
- for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
- lpfc_debug_dump_wq(phba, DUMP_IO, idx);
- lpfc_debug_dump_hdr_rq(phba);
- lpfc_debug_dump_dat_rq(phba);
- /*
- * Dump Complete Queues (CQs)
- */
- lpfc_debug_dump_cq(phba, DUMP_MBX, 0);
- lpfc_debug_dump_cq(phba, DUMP_ELS, 0);
- lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0);
- for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
- lpfc_debug_dump_cq(phba, DUMP_IO, idx);
- /*
- * Dump Event Queues (EQs)
- */
- for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
- lpfc_debug_dump_hba_eq(phba, idx);
- }