projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c8806b6c NM |
1 | /* |
| 2 | * Copyright 2014 Cisco Systems, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * This program is free software; you may redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License as published by | |
| 6 | * the Free Software Foundation; version 2 of the License. | |
| 7 | * | |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
| 12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
| 13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| 14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 15 | * SOFTWARE. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef __SNIC_STATS_H | |
| 19 | #define __SNIC_STATS_H | |
| 20 | ||
| 21 | struct snic_io_stats { | |
| 22 | atomic64_t active; /* Active IOs */ | |
| 23 | atomic64_t max_active; /* Max # active IOs */ | |
| 24 | atomic64_t max_sgl; /* Max # SGLs for any IO */ | |
| 25 | atomic64_t max_time; /* Max time to process IO */ | |
| 26 | atomic64_t max_qtime; /* Max time to Queue the IO */ | |
| 27 | atomic64_t max_cmpl_time; /* Max time to complete the IO */ | |
| 28 | atomic64_t sgl_cnt[SNIC_MAX_SG_DESC_CNT]; /* SGL Counters */ | |
| 29 | atomic64_t max_io_sz; /* Max IO Size */ | |
| 30 | atomic64_t compl; /* IO Completions */ | |
| 31 | atomic64_t fail; /* IO Failures */ | |
| 32 | atomic64_t req_null; /* req or req info is NULL */ | |
| 33 | atomic64_t alloc_fail; /* Alloc Failures */ | |
| 34 | atomic64_t sc_null; | |
| 35 | atomic64_t io_not_found; /* IO Not Found */ | |
| 36 | atomic64_t num_ios; /* Number of IOs */ | |
| 37 | }; | |
| 38 | ||
| 39 | struct snic_abort_stats { | |
| 40 | atomic64_t num; /* Abort counter */ | |
| 41 | atomic64_t fail; /* Abort Failure Counter */ | |
| 42 | atomic64_t drv_tmo; /* Abort Driver Timeouts */ | |
| 43 | atomic64_t fw_tmo; /* Abort Firmware Timeouts */ | |
| 44 | atomic64_t io_not_found;/* Abort IO Not Found */ | |
| 45 | }; | |
| 46 | ||
| 47 | struct snic_reset_stats { | |
| 48 | atomic64_t dev_resets; /* Device Reset Counter */ | |
| 49 | atomic64_t dev_reset_fail; /* Device Reset Failures */ | |
| 50 | atomic64_t dev_reset_aborts; /* Device Reset Aborts */ | |
| 51 | atomic64_t dev_reset_tmo; /* Device Reset Timeout */ | |
| 52 | atomic64_t dev_reset_terms; /* Device Reset terminate */ | |
| 53 | atomic64_t hba_resets; /* hba/firmware resets */ | |
| 54 | atomic64_t hba_reset_cmpl; /* hba/firmware reset completions */ | |
| 55 | atomic64_t hba_reset_fail; /* hba/firmware failures */ | |
| 56 | atomic64_t snic_resets; /* snic resets */ | |
| 57 | atomic64_t snic_reset_compl; /* snic reset completions */ | |
| 58 | atomic64_t snic_reset_fail; /* snic reset failures */ | |
| 59 | }; | |
| 60 | ||
| 61 | struct snic_fw_stats { | |
| 62 | atomic64_t actv_reqs; /* Active Requests */ | |
| 63 | atomic64_t max_actv_reqs; /* Max Active Requests */ | |
| 64 | atomic64_t out_of_res; /* Firmware Out Of Resources */ | |
| 65 | atomic64_t io_errs; /* Firmware IO Firmware Errors */ | |
| 66 | atomic64_t scsi_errs; /* Target hits check condition */ | |
| 67 | }; | |
| 68 | ||
| 69 | struct snic_misc_stats { | |
| 70 | u64 last_isr_time; | |
| 71 | u64 last_ack_time; | |
| 72 | atomic64_t isr_cnt; | |
| 73 | atomic64_t max_cq_ents; /* Max CQ Entries */ | |
| 74 | atomic64_t data_cnt_mismat; /* Data Count Mismatch */ | |
| 75 | atomic64_t io_tmo; | |
| 76 | atomic64_t io_aborted; | |
| 77 | atomic64_t sgl_inval; /* SGL Invalid */ | |
| 78 | atomic64_t abts_wq_alloc_fail; /* Abort Path WQ desc alloc failure */ | |
| 79 | atomic64_t devrst_wq_alloc_fail;/* Device Reset - WQ desc alloc fail */ | |
| 80 | atomic64_t wq_alloc_fail; /* IO WQ desc alloc failure */ | |
| 81 | atomic64_t no_icmnd_itmf_cmpls; | |
| 82 | atomic64_t io_under_run; | |
| 83 | atomic64_t qfull; | |
| 84 | atomic64_t tgt_not_rdy; | |
| 85 | }; | |
| 86 | ||
| 87 | struct snic_stats { | |
| 88 | struct snic_io_stats io; | |
| 89 | struct snic_abort_stats abts; | |
| 90 | struct snic_reset_stats reset; | |
| 91 | struct snic_fw_stats fw; | |
| 92 | struct snic_misc_stats misc; | |
| 93 | atomic64_t io_cmpl_skip; | |
| 94 | }; | |
| 95 | ||
| 96 | int snic_stats_debugfs_init(struct snic *); | |
| 97 | void snic_stats_debugfs_remove(struct snic *); | |
| 98 | ||
| 99 | /* Auxillary function to update active IO counter */ | |
| 100 | static inline void | |
| 101 | snic_stats_update_active_ios(struct snic_stats *s_stats) | |
| 102 | { | |
| 103 | struct snic_io_stats *io = &s_stats->io; | |
| 104 | u32 nr_active_ios; | |
| 105 | ||
| 106 | nr_active_ios = atomic64_inc_return(&io->active); | |
| 107 | if (atomic64_read(&io->max_active) < nr_active_ios) | |
| 108 | atomic64_set(&io->max_active, nr_active_ios); | |
| 109 | ||
| 110 | atomic64_inc(&io->num_ios); | |
| 111 | } | |
| 112 | ||
| 113 | /* Auxillary function to update IO completion counter */ | |
| 114 | static inline void | |
| 115 | snic_stats_update_io_cmpl(struct snic_stats *s_stats) | |
| 116 | { | |
| 117 | atomic64_dec(&s_stats->io.active); | |
| 118 | if (unlikely(atomic64_read(&s_stats->io_cmpl_skip))) | |
| 119 | atomic64_dec(&s_stats->io_cmpl_skip); | |
| 120 | else | |
| 121 | atomic64_inc(&s_stats->io.compl); | |
| 122 | } | |
| 123 | #endif /* __SNIC_STATS_H */ |