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129 lines
4.4 KiB
129 lines
4.4 KiB
/* |
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* Copyright 2014 Cisco Systems, Inc. All rights reserved. |
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* |
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* This program is free software; you may redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef __SNIC_STATS_H |
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#define __SNIC_STATS_H |
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struct snic_io_stats { |
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atomic64_t active; /* Active IOs */ |
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atomic64_t max_active; /* Max # active IOs */ |
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atomic64_t max_sgl; /* Max # SGLs for any IO */ |
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atomic64_t max_time; /* Max time to process IO */ |
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atomic64_t max_qtime; /* Max time to Queue the IO */ |
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atomic64_t max_cmpl_time; /* Max time to complete the IO */ |
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atomic64_t sgl_cnt[SNIC_MAX_SG_DESC_CNT]; /* SGL Counters */ |
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atomic64_t max_io_sz; /* Max IO Size */ |
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atomic64_t compl; /* IO Completions */ |
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atomic64_t fail; /* IO Failures */ |
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atomic64_t req_null; /* req or req info is NULL */ |
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atomic64_t alloc_fail; /* Alloc Failures */ |
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atomic64_t sc_null; |
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atomic64_t io_not_found; /* IO Not Found */ |
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atomic64_t num_ios; /* Number of IOs */ |
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}; |
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struct snic_abort_stats { |
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atomic64_t num; /* Abort counter */ |
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atomic64_t fail; /* Abort Failure Counter */ |
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atomic64_t drv_tmo; /* Abort Driver Timeouts */ |
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atomic64_t fw_tmo; /* Abort Firmware Timeouts */ |
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atomic64_t io_not_found;/* Abort IO Not Found */ |
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atomic64_t q_fail; /* Abort Queuing Failed */ |
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}; |
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struct snic_reset_stats { |
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atomic64_t dev_resets; /* Device Reset Counter */ |
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atomic64_t dev_reset_fail; /* Device Reset Failures */ |
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atomic64_t dev_reset_aborts; /* Device Reset Aborts */ |
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atomic64_t dev_reset_tmo; /* Device Reset Timeout */ |
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atomic64_t dev_reset_terms; /* Device Reset terminate */ |
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atomic64_t hba_resets; /* hba/firmware resets */ |
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atomic64_t hba_reset_cmpl; /* hba/firmware reset completions */ |
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atomic64_t hba_reset_fail; /* hba/firmware failures */ |
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atomic64_t snic_resets; /* snic resets */ |
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atomic64_t snic_reset_compl; /* snic reset completions */ |
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atomic64_t snic_reset_fail; /* snic reset failures */ |
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}; |
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struct snic_fw_stats { |
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atomic64_t actv_reqs; /* Active Requests */ |
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atomic64_t max_actv_reqs; /* Max Active Requests */ |
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atomic64_t out_of_res; /* Firmware Out Of Resources */ |
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atomic64_t io_errs; /* Firmware IO Firmware Errors */ |
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atomic64_t scsi_errs; /* Target hits check condition */ |
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}; |
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struct snic_misc_stats { |
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u64 last_isr_time; |
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u64 last_ack_time; |
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atomic64_t ack_isr_cnt; |
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atomic64_t cmpl_isr_cnt; |
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atomic64_t errnotify_isr_cnt; |
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atomic64_t max_cq_ents; /* Max CQ Entries */ |
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atomic64_t data_cnt_mismat; /* Data Count Mismatch */ |
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atomic64_t io_tmo; |
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atomic64_t io_aborted; |
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atomic64_t sgl_inval; /* SGL Invalid */ |
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atomic64_t abts_wq_alloc_fail; /* Abort Path WQ desc alloc failure */ |
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atomic64_t devrst_wq_alloc_fail;/* Device Reset - WQ desc alloc fail */ |
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atomic64_t wq_alloc_fail; /* IO WQ desc alloc failure */ |
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atomic64_t no_icmnd_itmf_cmpls; |
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atomic64_t io_under_run; |
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atomic64_t qfull; |
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atomic64_t qsz_rampup; |
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atomic64_t qsz_rampdown; |
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atomic64_t last_qsz; |
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atomic64_t tgt_not_rdy; |
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}; |
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struct snic_stats { |
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struct snic_io_stats io; |
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struct snic_abort_stats abts; |
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struct snic_reset_stats reset; |
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struct snic_fw_stats fw; |
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struct snic_misc_stats misc; |
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atomic64_t io_cmpl_skip; |
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}; |
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void snic_stats_debugfs_init(struct snic *); |
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void snic_stats_debugfs_remove(struct snic *); |
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/* Auxillary function to update active IO counter */ |
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static inline void |
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snic_stats_update_active_ios(struct snic_stats *s_stats) |
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{ |
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struct snic_io_stats *io = &s_stats->io; |
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int nr_active_ios; |
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nr_active_ios = atomic64_read(&io->active); |
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if (atomic64_read(&io->max_active) < nr_active_ios) |
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atomic64_set(&io->max_active, nr_active_ios); |
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atomic64_inc(&io->num_ios); |
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} |
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/* Auxillary function to update IO completion counter */ |
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static inline void |
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snic_stats_update_io_cmpl(struct snic_stats *s_stats) |
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{ |
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atomic64_dec(&s_stats->io.active); |
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if (unlikely(atomic64_read(&s_stats->io_cmpl_skip))) |
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atomic64_dec(&s_stats->io_cmpl_skip); |
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else |
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atomic64_inc(&s_stats->io.compl); |
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} |
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#endif /* __SNIC_STATS_H */
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