diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 138 |
1 files changed, 136 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 0d0213bba35d..54ee8ecec3b3 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2025 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * @@ -291,6 +291,138 @@ buffer_done: return len; } +static ssize_t +lpfc_vmid_info_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; + struct lpfc_hba *phba = vport->phba; + struct lpfc_vmid *vmp; + int len = 0, i, j, k, cpu; + char hxstr[LPFC_MAX_VMID_SIZE * 3] = {0}; + struct timespec64 curr_tm; + struct lpfc_vmid_priority_range *vr; + u64 *lta, rct_acc = 0, max_lta = 0; + struct tm tm_val; + + ktime_get_ts64(&curr_tm); + + len += scnprintf(buf + len, PAGE_SIZE - len, "Key 'vmid':\n"); + + /* if enabled continue, else return */ + if (lpfc_is_vmid_enabled(phba)) { + len += scnprintf(buf + len, PAGE_SIZE - len, + "lpfc VMID Page: ON\n\n"); + } else { + len += scnprintf(buf + len, PAGE_SIZE - len, + "lpfc VMID Page: OFF\n\n"); + return len; + } + + /* if using priority tagging */ + if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO) { + len += scnprintf(buf + len, PAGE_SIZE - len, + "VMID priority ranges:\n"); + vr = vport->vmid_priority.vmid_range; + for (i = 0; i < vport->vmid_priority.num_descriptors; ++i) { + len += scnprintf(buf + len, PAGE_SIZE - len, + "\t[x%x - x%x], qos: x%x\n", + vr->low, vr->high, vr->qos); + vr++; + } + } + + for (i = 0; i < phba->cfg_max_vmid; i++) { + vmp = &vport->vmid[i]; + max_lta = 0; + + /* only if the slot is used */ + if (!(vmp->flag & LPFC_VMID_SLOT_USED) || + !(vmp->flag & LPFC_VMID_REGISTERED)) + continue; + + /* if using priority tagging */ + if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO) { + len += scnprintf(buf + len, PAGE_SIZE - len, + "VEM ID: %02x:%02x:%02x:%02x:" + "%02x:%02x:%02x:%02x:%02x:%02x:" + "%02x:%02x:%02x:%02x:%02x:%02x\n", + vport->lpfc_vmid_host_uuid[0], + vport->lpfc_vmid_host_uuid[1], + vport->lpfc_vmid_host_uuid[2], + vport->lpfc_vmid_host_uuid[3], + vport->lpfc_vmid_host_uuid[4], + vport->lpfc_vmid_host_uuid[5], + vport->lpfc_vmid_host_uuid[6], + vport->lpfc_vmid_host_uuid[7], + vport->lpfc_vmid_host_uuid[8], + vport->lpfc_vmid_host_uuid[9], + vport->lpfc_vmid_host_uuid[10], + vport->lpfc_vmid_host_uuid[11], + vport->lpfc_vmid_host_uuid[12], + vport->lpfc_vmid_host_uuid[13], + vport->lpfc_vmid_host_uuid[14], + vport->lpfc_vmid_host_uuid[15]); + } + + /* IO stats */ + len += scnprintf(buf + len, PAGE_SIZE - len, + "ID00 READs:%llx WRITEs:%llx\n", + vmp->io_rd_cnt, + vmp->io_wr_cnt); + for (j = 0, k = 0; j < strlen(vmp->host_vmid); j++, k += 3) + sprintf((char *)(hxstr + k), "%2x ", vmp->host_vmid[j]); + /* UUIDs */ + len += scnprintf(buf + len, PAGE_SIZE - len, "UUID:\n"); + len += scnprintf(buf + len, PAGE_SIZE - len, "%s\n", hxstr); + + len += scnprintf(buf + len, PAGE_SIZE - len, "String (%s)\n", + vmp->host_vmid); + + if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO) + len += scnprintf(buf + len, PAGE_SIZE - len, + "CS_CTL VMID: 0x%x\n", + vmp->un.cs_ctl_vmid); + else + len += scnprintf(buf + len, PAGE_SIZE - len, + "Application id: 0x%x\n", + vmp->un.app_id); + + /* calculate the last access time */ + for_each_possible_cpu(cpu) { + lta = per_cpu_ptr(vmp->last_io_time, cpu); + if (!lta) + continue; + + /* if last access time is less than timeout */ + if (time_after((unsigned long)*lta, jiffies)) + continue; + + if (*lta > max_lta) + max_lta = *lta; + } + + rct_acc = jiffies_to_msecs(jiffies - max_lta) / 1000; + /* current time */ + time64_to_tm(ktime_get_real_seconds(), + -(sys_tz.tz_minuteswest * 60) - rct_acc, &tm_val); + + len += scnprintf(buf + len, PAGE_SIZE - len, + "Last Access Time :" + "%ld-%d-%dT%02d:%02d:%02d\n\n", + 1900 + tm_val.tm_year, tm_val.tm_mon + 1, + tm_val.tm_mday, tm_val.tm_hour, + tm_val.tm_min, tm_val.tm_sec); + + if (len >= PAGE_SIZE) + return len; + + memset(hxstr, 0, LPFC_MAX_VMID_SIZE * 3); + } + return len; +} + /** * lpfc_drvr_version_show - Return the Emulex driver string with version number * @dev: class unused variable. @@ -2578,7 +2710,7 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, (old_val & DISABLE_FCP_RING_INT)) { spin_unlock_irq(&phba->hbalock); - del_timer(&phba->fcp_poll_timer); + timer_delete(&phba->fcp_poll_timer); spin_lock_irq(&phba->hbalock); if (lpfc_readl(phba->HCregaddr, &creg_val)) { spin_unlock_irq(&phba->hbalock); @@ -3011,6 +3143,7 @@ static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL); static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, NULL); static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL); +static DEVICE_ATTR_RO(lpfc_vmid_info); #define WWN_SZ 8 /** @@ -6117,6 +6250,7 @@ static struct attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_vmid_inactivity_timeout.attr, &dev_attr_lpfc_vmid_app_header.attr, &dev_attr_lpfc_vmid_priority_tagging.attr, + &dev_attr_lpfc_vmid_info.attr, NULL, }; |