diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 3addb163c2cd1ee9db8097f381942fdbf8fc9e63..252670a14d133c815579882d5d4f85c1b3f769d9 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -83,8 +83,10 @@ void lpfc_cmf_stop(struct lpfc_hba *phba); void lpfc_init_congestion_stat(struct lpfc_hba *phba); void lpfc_init_congestion_buf(struct lpfc_hba *phba); int lpfc_sli4_cgn_params_read(struct lpfc_hba *phba); +uint32_t lpfc_cgn_calc_crc32(void *bufp, uint32_t sz, uint32_t seed); int lpfc_config_cgn_signal(struct lpfc_hba *phba); int lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total); +void lpfc_cgn_update_stat(struct lpfc_hba *phba, uint32_t dtag); void lpfc_unblock_requests(struct lpfc_hba *phba); void lpfc_block_requests(struct lpfc_hba *phba); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index d6e64a6c5c078a4b2fdff0183dbb5bbf6fa672f0..0ebe5d7a7697477bc2b0971d76adc84166afa03c 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3783,6 +3783,7 @@ lpfc_least_capable_settings(struct lpfc_hba *phba, u32 rsp_sig_cap = 0, drv_sig_cap = 0; u32 rsp_sig_freq_cyc = 0, rsp_sig_freq_scale = 0; struct lpfc_cgn_info *cp; + u32 crc; u16 sig_freq; /* Get rsp signal and frequency capabilities. */ @@ -3856,6 +3857,8 @@ lpfc_least_capable_settings(struct lpfc_hba *phba, cp->cgn_alarm_freq = cpu_to_le16(sig_freq); cp->cgn_warn_freq = cpu_to_le16(sig_freq); } + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); return; out_no_support: @@ -9539,6 +9542,7 @@ lpfc_els_rcv_fpin_cgn(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) const char *cgn_sev_str; u32 cgn_sev; uint16_t value; + u32 crc; bool nm_log = false; int rc = 1; @@ -9601,6 +9605,11 @@ lpfc_els_rcv_fpin_cgn(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) LPFC_CGN_FPIN_WARN) cp->cgn_warn_freq = cpu_to_le16(value); + crc = lpfc_cgn_calc_crc32 + (cp, + LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); } /* Don't deliver to upper layer since @@ -9688,6 +9697,7 @@ lpfc_els_rcv_fpin(struct lpfc_vport *vport, void *p, u32 fpin_length) /* If descriptor is bad, drop the rest of the data */ return; } + lpfc_cgn_update_stat(phba, dtag); cnt = be32_to_cpu(tlv->desc_len); /* Sanity check descriptor length. The desc_len value does not diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 7db2e48581728759eee568d46f3762241b02f94d..3711707deb36561a476a708c16339e0d111e0dc2 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -5404,6 +5404,374 @@ lpfc_async_link_speed_to_read_top(struct lpfc_hba *phba, uint8_t speed_code) return port_speed; } +/** + * lpfc_cgn_update_stat - Save data into congestion stats buffer + * @phba: pointer to lpfc hba data structure. + * @dtag: FPIN descriptor received + * + * Increment the FPIN received counter/time when it happens. + */ +void +lpfc_cgn_update_stat(struct lpfc_hba *phba, uint32_t dtag) +{ + struct lpfc_cgn_info *cp; + struct tm broken; + struct timespec64 cur_time; + u32 cnt; + u16 value; + + /* Make sure we have a congestion info buffer */ + if (!phba->cgn_i) + return; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + ktime_get_real_ts64(&cur_time); + time64_to_tm(cur_time.tv_sec, 0, &broken); + + /* Update congestion statistics */ + switch (dtag) { + case ELS_DTAG_LNK_INTEGRITY: + cnt = le32_to_cpu(cp->link_integ_notification); + cnt++; + cp->link_integ_notification = cpu_to_le32(cnt); + + cp->cgn_stat_lnk_month = broken.tm_mon + 1; + cp->cgn_stat_lnk_day = broken.tm_mday; + cp->cgn_stat_lnk_year = broken.tm_year - 100; + cp->cgn_stat_lnk_hour = broken.tm_hour; + cp->cgn_stat_lnk_min = broken.tm_min; + cp->cgn_stat_lnk_sec = broken.tm_sec; + break; + case ELS_DTAG_DELIVERY: + cnt = le32_to_cpu(cp->delivery_notification); + cnt++; + cp->delivery_notification = cpu_to_le32(cnt); + + cp->cgn_stat_del_month = broken.tm_mon + 1; + cp->cgn_stat_del_day = broken.tm_mday; + cp->cgn_stat_del_year = broken.tm_year - 100; + cp->cgn_stat_del_hour = broken.tm_hour; + cp->cgn_stat_del_min = broken.tm_min; + cp->cgn_stat_del_sec = broken.tm_sec; + break; + case ELS_DTAG_PEER_CONGEST: + cnt = le32_to_cpu(cp->cgn_peer_notification); + cnt++; + cp->cgn_peer_notification = cpu_to_le32(cnt); + + cp->cgn_stat_peer_month = broken.tm_mon + 1; + cp->cgn_stat_peer_day = broken.tm_mday; + cp->cgn_stat_peer_year = broken.tm_year - 100; + cp->cgn_stat_peer_hour = broken.tm_hour; + cp->cgn_stat_peer_min = broken.tm_min; + cp->cgn_stat_peer_sec = broken.tm_sec; + break; + case ELS_DTAG_CONGESTION: + cnt = le32_to_cpu(cp->cgn_notification); + cnt++; + cp->cgn_notification = cpu_to_le32(cnt); + + cp->cgn_stat_cgn_month = broken.tm_mon + 1; + cp->cgn_stat_cgn_day = broken.tm_mday; + cp->cgn_stat_cgn_year = broken.tm_year - 100; + cp->cgn_stat_cgn_hour = broken.tm_hour; + cp->cgn_stat_cgn_min = broken.tm_min; + cp->cgn_stat_cgn_sec = broken.tm_sec; + } + if (phba->cgn_fpin_frequency && + phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { + value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; + cp->cgn_stat_npm = cpu_to_le32(value); + } + value = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(value); +} + +/** + * lpfc_cgn_save_evt_cnt - Save data into registered congestion buffer + * @phba: pointer to lpfc hba data structure. + * + * Save the congestion event data every minute. + * On the hour collapse all the minute data into hour data. Every day + * collapse all the hour data into daily data. Separate driver + * and fabrc congestion event counters that will be saved out + * to the registered congestion buffer every minute. + */ +static void +lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba) +{ + struct lpfc_cgn_info *cp; + struct tm broken; + struct timespec64 cur_time; + uint32_t i, index; + uint16_t value, mvalue; + uint64_t bps; + uint32_t mbps; + uint32_t dvalue, wvalue, lvalue, avalue; + uint64_t latsum; + uint16_t *ptr; + uint32_t *lptr; + uint16_t *mptr; + + /* Make sure we have a congestion info buffer */ + if (!phba->cgn_i) + return; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + + if (time_before(jiffies, phba->cgn_evt_timestamp)) + return; + phba->cgn_evt_timestamp = jiffies + + msecs_to_jiffies(LPFC_CGN_TIMER_TO_MIN); + phba->cgn_evt_minute++; + + /* We should get to this point in the routine on 1 minute intervals */ + + ktime_get_real_ts64(&cur_time); + time64_to_tm(cur_time.tv_sec, 0, &broken); + + if (phba->cgn_fpin_frequency && + phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { + value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; + cp->cgn_stat_npm = cpu_to_le32(value); + } + + /* Read and clear the latency counters for this minute */ + lvalue = atomic_read(&phba->cgn_latency_evt_cnt); + latsum = atomic64_read(&phba->cgn_latency_evt); + atomic_set(&phba->cgn_latency_evt_cnt, 0); + atomic64_set(&phba->cgn_latency_evt, 0); + + /* We need to store MB/sec bandwidth in the congestion information. + * block_cnt is count of 512 byte blocks for the entire minute, + * bps will get bytes per sec before finally converting to MB/sec. + */ + bps = div_u64(phba->rx_block_cnt, LPFC_SEC_MIN) * 512; + phba->rx_block_cnt = 0; + mvalue = bps / (1024 * 1024); /* convert to MB/sec */ + + /* Every minute */ + /* cgn parameters */ + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + + /* Fill in default LUN qdepth */ + value = (uint16_t)(phba->pport->cfg_lun_queue_depth); + cp->cgn_lunq = cpu_to_le16(value); + + /* Record congestion buffer info - every minute + * cgn_driver_evt_cnt (Driver events) + * cgn_fabric_warn_cnt (Congestion Warnings) + * cgn_latency_evt_cnt / cgn_latency_evt (IO Latency) + * cgn_fabric_alarm_cnt (Congestion Alarms) + */ + index = ++cp->cgn_index_minute; + if (cp->cgn_index_minute == LPFC_MIN_HOUR) { + cp->cgn_index_minute = 0; + index = 0; + } + + /* Get the number of driver events in this sample and reset counter */ + dvalue = atomic_read(&phba->cgn_driver_evt_cnt); + atomic_set(&phba->cgn_driver_evt_cnt, 0); + + /* Get the number of warning events - FPIN and Signal for this minute */ + wvalue = 0; + if ((phba->cgn_reg_fpin & LPFC_CGN_FPIN_WARN) || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ONLY || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + wvalue = atomic_read(&phba->cgn_fabric_warn_cnt); + atomic_set(&phba->cgn_fabric_warn_cnt, 0); + + /* Get the number of alarm events - FPIN and Signal for this minute */ + avalue = 0; + if ((phba->cgn_reg_fpin & LPFC_CGN_FPIN_ALARM) || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + avalue = atomic_read(&phba->cgn_fabric_alarm_cnt); + atomic_set(&phba->cgn_fabric_alarm_cnt, 0); + + /* Collect the driver, warning, alarm and latency counts for this + * minute into the driver congestion buffer. + */ + ptr = &cp->cgn_drvr_min[index]; + value = (uint16_t)dvalue; + *ptr = cpu_to_le16(value); + + ptr = &cp->cgn_warn_min[index]; + value = (uint16_t)wvalue; + *ptr = cpu_to_le16(value); + + ptr = &cp->cgn_alarm_min[index]; + value = (uint16_t)avalue; + *ptr = cpu_to_le16(value); + + lptr = &cp->cgn_latency_min[index]; + if (lvalue) { + lvalue = (uint32_t)div_u64(latsum, lvalue); + *lptr = cpu_to_le32(lvalue); + } else { + *lptr = 0; + } + + /* Collect the bandwidth value into the driver's congesion buffer. */ + mptr = &cp->cgn_bw_min[index]; + *mptr = cpu_to_le16(mvalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2418 Congestion Info - minute (%d): %d %d %d %d %d\n", + index, dvalue, wvalue, *lptr, mvalue, avalue); + + /* Every hour */ + if ((phba->cgn_evt_minute % LPFC_MIN_HOUR) == 0) { + /* Record congestion buffer info - every hour + * Collapse all minutes into an hour + */ + index = ++cp->cgn_index_hour; + if (cp->cgn_index_hour == LPFC_HOUR_DAY) { + cp->cgn_index_hour = 0; + index = 0; + } + + dvalue = 0; + wvalue = 0; + lvalue = 0; + avalue = 0; + mvalue = 0; + mbps = 0; + for (i = 0; i < LPFC_MIN_HOUR; i++) { + dvalue += le16_to_cpu(cp->cgn_drvr_min[i]); + wvalue += le16_to_cpu(cp->cgn_warn_min[i]); + lvalue += le32_to_cpu(cp->cgn_latency_min[i]); + mbps += le16_to_cpu(cp->cgn_bw_min[i]); + avalue += le16_to_cpu(cp->cgn_alarm_min[i]); + } + if (lvalue) /* Avg of latency averages */ + lvalue /= LPFC_MIN_HOUR; + if (mbps) /* Avg of Bandwidth averages */ + mvalue = mbps / LPFC_MIN_HOUR; + + lptr = &cp->cgn_drvr_hr[index]; + *lptr = cpu_to_le32(dvalue); + lptr = &cp->cgn_warn_hr[index]; + *lptr = cpu_to_le32(wvalue); + lptr = &cp->cgn_latency_hr[index]; + *lptr = cpu_to_le32(lvalue); + mptr = &cp->cgn_bw_hr[index]; + *mptr = cpu_to_le16(mvalue); + lptr = &cp->cgn_alarm_hr[index]; + *lptr = cpu_to_le32(avalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2419 Congestion Info - hour " + "(%d): %d %d %d %d %d\n", + index, dvalue, wvalue, lvalue, mvalue, avalue); + } + + /* Every day */ + if ((phba->cgn_evt_minute % LPFC_MIN_DAY) == 0) { + /* Record congestion buffer info - every hour + * Collapse all hours into a day. Rotate days + * after LPFC_MAX_CGN_DAYS. + */ + index = ++cp->cgn_index_day; + if (cp->cgn_index_day == LPFC_MAX_CGN_DAYS) { + cp->cgn_index_day = 0; + index = 0; + } + + /* Anytime we overwrite daily index 0, after we wrap, + * we will be overwriting the oldest day, so we must + * update the congestion data start time for that day. + * That start time should have previously been saved after + * we wrote the last days worth of data. + */ + if ((phba->hba_flag & HBA_CGN_DAY_WRAP) && index == 0) { + time64_to_tm(phba->cgn_daily_ts.tv_sec, 0, &broken); + + cp->cgn_info_month = broken.tm_mon + 1; + cp->cgn_info_day = broken.tm_mday; + cp->cgn_info_year = broken.tm_year - 100; + cp->cgn_info_hour = broken.tm_hour; + cp->cgn_info_minute = broken.tm_min; + cp->cgn_info_second = broken.tm_sec; + + lpfc_printf_log + (phba, KERN_INFO, LOG_CGN_MGMT, + "2646 CGNInfo idx0 Start Time: " + "%d/%d/%d %d:%d:%d\n", + cp->cgn_info_day, cp->cgn_info_month, + cp->cgn_info_year, cp->cgn_info_hour, + cp->cgn_info_minute, cp->cgn_info_second); + } + + dvalue = 0; + wvalue = 0; + lvalue = 0; + mvalue = 0; + mbps = 0; + avalue = 0; + for (i = 0; i < LPFC_HOUR_DAY; i++) { + dvalue += le32_to_cpu(cp->cgn_drvr_hr[i]); + wvalue += le32_to_cpu(cp->cgn_warn_hr[i]); + lvalue += le32_to_cpu(cp->cgn_latency_hr[i]); + mbps += le32_to_cpu(cp->cgn_bw_hr[i]); + avalue += le32_to_cpu(cp->cgn_alarm_hr[i]); + } + if (lvalue) /* Avg of latency averages */ + lvalue /= LPFC_HOUR_DAY; + if (mbps) /* Avg of Bandwidth averages */ + mvalue = mbps / LPFC_HOUR_DAY; + + lptr = &cp->cgn_drvr_day[index]; + *lptr = cpu_to_le32(dvalue); + lptr = &cp->cgn_warn_day[index]; + *lptr = cpu_to_le32(wvalue); + lptr = &cp->cgn_latency_day[index]; + *lptr = cpu_to_le32(lvalue); + mptr = &cp->cgn_bw_day[index]; + *mptr = cpu_to_le16(mvalue); + lptr = &cp->cgn_alarm_day[index]; + *lptr = cpu_to_le32(avalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2420 Congestion Info - daily (%d): " + "%d %d %d %d %d\n", + index, dvalue, wvalue, lvalue, mvalue, avalue); + + /* We just wrote LPFC_MAX_CGN_DAYS of data, + * so we are wrapped on any data after this. + * Save this as the start time for the next day. + */ + if (index == (LPFC_MAX_CGN_DAYS - 1)) { + phba->hba_flag |= HBA_CGN_DAY_WRAP; + ktime_get_real_ts64(&phba->cgn_daily_ts); + } + } + + /* Use the frequency found in the last rcv'ed FPIN */ + value = phba->cgn_fpin_frequency; + if (phba->cgn_reg_fpin & LPFC_CGN_FPIN_WARN) + cp->cgn_warn_freq = cpu_to_le16(value); + if (phba->cgn_reg_fpin & LPFC_CGN_FPIN_ALARM) + cp->cgn_alarm_freq = cpu_to_le16(value); + + /* Frequency (in ms) Signal Warning/Signal Congestion Notifications + * are received by the HBA + */ + value = phba->cgn_sig_freq; + + if (phba->cgn_reg_signal == EDC_CG_SIG_WARN_ONLY || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + cp->cgn_warn_freq = cpu_to_le16(value); + if (phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + cp->cgn_alarm_freq = cpu_to_le16(value); + + lvalue = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(lvalue); +} + /** * lpfc_calc_cmf_latency - latency from start of rxate timer interval * @phba: The Hba for which this call is being executed. @@ -5598,6 +5966,30 @@ lpfc_cmf_timer(struct hrtimer *timer) } phba->rx_block_cnt += div_u64(rcv, 512); /* save 512 byte block cnt */ + /* Each minute save Fabric and Driver congestion information */ + lpfc_cgn_save_evt_cnt(phba); + + /* Since we need to call lpfc_cgn_save_evt_cnt every minute, on the + * minute, adjust our next timer interval, if needed, to ensure a + * 1 minute granularity when we get the next timer interrupt. + */ + if (time_after(jiffies + msecs_to_jiffies(LPFC_CMF_INTERVAL), + phba->cgn_evt_timestamp)) { + timer_interval = jiffies_to_msecs(phba->cgn_evt_timestamp - + jiffies); + if (timer_interval <= 0) + timer_interval = LPFC_CMF_INTERVAL; + + /* If we adjust timer_interval, max_bytes_per_interval + * needs to be adjusted as well. + */ + phba->cmf_link_byte_count = div_u64(phba->cmf_max_line_rate * + timer_interval, 1000); + if (phba->cmf_active_mode == LPFC_CFG_MONITOR) + phba->cmf_max_bytes_per_interval = + phba->cmf_link_byte_count; + } + /* Since total_bytes has already been zero'ed, its okay to unblock * after max_bytes_per_interval is setup. */ @@ -6503,7 +6895,8 @@ static void lpfc_cgn_params_parse(struct lpfc_hba *phba, struct lpfc_cgn_param *p_cgn_param, uint32_t len) { - uint32_t oldmode; + struct lpfc_cgn_info *cp; + uint32_t crc, oldmode; /* Make sure the FW has encoded the correct magic number to * validate the congestion parameter in FW memory. @@ -6541,6 +6934,17 @@ lpfc_cgn_params_parse(struct lpfc_hba *phba, memcpy(&phba->cgn_p, p_cgn_param, sizeof(struct lpfc_cgn_param)); + /* Update parameters in congestion info buffer now */ + if (phba->cgn_i) { + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); + } spin_unlock_irq(&phba->hbalock); phba->cmf_active_mode = phba->cgn_p.cgn_param_mode; @@ -12855,14 +13259,71 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) phba->pport->work_port_events = 0; } +static uint32_t +lpfc_cgn_crc32(uint32_t crc, u8 byte) +{ + uint32_t msb = 0; + uint32_t bit; + + for (bit = 0; bit < 8; bit++) { + msb = (crc >> 31) & 1; + crc <<= 1; + + if (msb ^ (byte & 1)) { + crc ^= LPFC_CGN_CRC32_MAGIC_NUMBER; + crc |= 1; + } + byte >>= 1; + } + return crc; +} + +static uint32_t +lpfc_cgn_reverse_bits(uint32_t wd) +{ + uint32_t result = 0; + uint32_t i; + + for (i = 0; i < 32; i++) { + result <<= 1; + result |= (1 & (wd >> i)); + } + return result; +} + +/* + * The routine corresponds with the algorithm the HBA firmware + * uses to validate the data integrity. + */ +uint32_t +lpfc_cgn_calc_crc32(void *ptr, uint32_t byteLen, uint32_t crc) +{ + uint32_t i; + uint32_t result; + uint8_t *data = (uint8_t *)ptr; + + for (i = 0; i < byteLen; ++i) + crc = lpfc_cgn_crc32(crc, data[i]); + + result = ~lpfc_cgn_reverse_bits(crc); + return result; +} + void lpfc_init_congestion_buf(struct lpfc_hba *phba) { + struct lpfc_cgn_info *cp; + struct timespec64 cmpl_time; + struct tm broken; + uint16_t size; + uint32_t crc; + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, "6235 INIT Congestion Buffer %p\n", phba->cgn_i); if (!phba->cgn_i) return; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; atomic_set(&phba->cgn_fabric_warn_cnt, 0); atomic_set(&phba->cgn_fabric_alarm_cnt, 0); @@ -12875,6 +13336,47 @@ lpfc_init_congestion_buf(struct lpfc_hba *phba) atomic_set(&phba->cgn_latency_evt_cnt, 0); atomic64_set(&phba->cgn_latency_evt, 0); phba->cgn_evt_minute = 0; + phba->hba_flag &= ~HBA_CGN_DAY_WRAP; + + memset(cp, 0xff, LPFC_CGN_DATA_SIZE); + cp->cgn_info_size = cpu_to_le16(LPFC_CGN_INFO_SZ); + cp->cgn_info_version = LPFC_CGN_INFO_V3; + + /* cgn parameters */ + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + + ktime_get_real_ts64(&cmpl_time); + time64_to_tm(cmpl_time.tv_sec, 0, &broken); + + cp->cgn_info_month = broken.tm_mon + 1; + cp->cgn_info_day = broken.tm_mday; + cp->cgn_info_year = broken.tm_year - 100; /* relative to 2000 */ + cp->cgn_info_hour = broken.tm_hour; + cp->cgn_info_minute = broken.tm_min; + cp->cgn_info_second = broken.tm_sec; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_INIT, + "2643 CGNInfo Init: Start Time " + "%d/%d/%d %d:%d:%d\n", + cp->cgn_info_day, cp->cgn_info_month, + cp->cgn_info_year, cp->cgn_info_hour, + cp->cgn_info_minute, cp->cgn_info_second); + + /* Fill in default LUN qdepth */ + if (phba->pport) { + size = (uint16_t)(phba->pport->cfg_lun_queue_depth); + cp->cgn_lunq = cpu_to_le16(size); + } + + /* last used Index initialized to 0xff already */ + + cp->cgn_warn_freq = LPFC_FPIN_INIT_FREQ; + cp->cgn_alarm_freq = LPFC_FPIN_INIT_FREQ; + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); phba->cgn_evt_timestamp = jiffies + msecs_to_jiffies(LPFC_CGN_TIMER_TO_MIN); @@ -12883,11 +13385,38 @@ lpfc_init_congestion_buf(struct lpfc_hba *phba) void lpfc_init_congestion_stat(struct lpfc_hba *phba) { + struct lpfc_cgn_info *cp; + struct timespec64 cmpl_time; + struct tm broken; + uint32_t crc; + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, "6236 INIT Congestion Stat %p\n", phba->cgn_i); if (!phba->cgn_i) return; + + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + memset(&cp->cgn_stat_npm, 0, LPFC_CGN_STAT_SIZE); + + ktime_get_real_ts64(&cmpl_time); + time64_to_tm(cmpl_time.tv_sec, 0, &broken); + + cp->cgn_stat_month = broken.tm_mon + 1; + cp->cgn_stat_day = broken.tm_mday; + cp->cgn_stat_year = broken.tm_year - 100; /* relative to 2000 */ + cp->cgn_stat_hour = broken.tm_hour; + cp->cgn_stat_minute = broken.tm_min; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_INIT, + "2647 CGNstat Init: Start Time " + "%d/%d/%d %d:%d\n", + cp->cgn_stat_day, cp->cgn_stat_month, + cp->cgn_stat_year, cp->cgn_stat_hour, + cp->cgn_stat_minute); + + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); } /**