1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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2 | /* Copyright 2014 Cisco Systems, Inc. All rights reserved. */ |
3 | |
4 | #ifndef __SNIC_STATS_H |
5 | #define __SNIC_STATS_H |
6 | |
7 | struct snic_io_stats { |
8 | atomic64_t active; /* Active IOs */ |
9 | atomic64_t max_active; /* Max # active IOs */ |
10 | atomic64_t max_sgl; /* Max # SGLs for any IO */ |
11 | atomic64_t max_time; /* Max time to process IO */ |
12 | atomic64_t max_qtime; /* Max time to Queue the IO */ |
13 | atomic64_t max_cmpl_time; /* Max time to complete the IO */ |
14 | atomic64_t sgl_cnt[SNIC_MAX_SG_DESC_CNT]; /* SGL Counters */ |
15 | atomic64_t max_io_sz; /* Max IO Size */ |
16 | atomic64_t compl; /* IO Completions */ |
17 | atomic64_t fail; /* IO Failures */ |
18 | atomic64_t req_null; /* req or req info is NULL */ |
19 | atomic64_t alloc_fail; /* Alloc Failures */ |
20 | atomic64_t sc_null; |
21 | atomic64_t io_not_found; /* IO Not Found */ |
22 | atomic64_t num_ios; /* Number of IOs */ |
23 | }; |
24 | |
25 | struct snic_abort_stats { |
26 | atomic64_t num; /* Abort counter */ |
27 | atomic64_t fail; /* Abort Failure Counter */ |
28 | atomic64_t drv_tmo; /* Abort Driver Timeouts */ |
29 | atomic64_t fw_tmo; /* Abort Firmware Timeouts */ |
30 | atomic64_t io_not_found;/* Abort IO Not Found */ |
31 | atomic64_t q_fail; /* Abort Queuing Failed */ |
32 | }; |
33 | |
34 | struct snic_reset_stats { |
35 | atomic64_t dev_resets; /* Device Reset Counter */ |
36 | atomic64_t dev_reset_fail; /* Device Reset Failures */ |
37 | atomic64_t dev_reset_aborts; /* Device Reset Aborts */ |
38 | atomic64_t dev_reset_tmo; /* Device Reset Timeout */ |
39 | atomic64_t dev_reset_terms; /* Device Reset terminate */ |
40 | atomic64_t hba_resets; /* hba/firmware resets */ |
41 | atomic64_t hba_reset_cmpl; /* hba/firmware reset completions */ |
42 | atomic64_t hba_reset_fail; /* hba/firmware failures */ |
43 | atomic64_t snic_resets; /* snic resets */ |
44 | atomic64_t snic_reset_compl; /* snic reset completions */ |
45 | atomic64_t snic_reset_fail; /* snic reset failures */ |
46 | }; |
47 | |
48 | struct snic_fw_stats { |
49 | atomic64_t actv_reqs; /* Active Requests */ |
50 | atomic64_t max_actv_reqs; /* Max Active Requests */ |
51 | atomic64_t out_of_res; /* Firmware Out Of Resources */ |
52 | atomic64_t io_errs; /* Firmware IO Firmware Errors */ |
53 | atomic64_t scsi_errs; /* Target hits check condition */ |
54 | }; |
55 | |
56 | struct snic_misc_stats { |
57 | u64 last_isr_time; |
58 | u64 last_ack_time; |
59 | atomic64_t ack_isr_cnt; |
60 | atomic64_t cmpl_isr_cnt; |
61 | atomic64_t errnotify_isr_cnt; |
62 | atomic64_t max_cq_ents; /* Max CQ Entries */ |
63 | atomic64_t data_cnt_mismat; /* Data Count Mismatch */ |
64 | atomic64_t io_tmo; |
65 | atomic64_t io_aborted; |
66 | atomic64_t sgl_inval; /* SGL Invalid */ |
67 | atomic64_t abts_wq_alloc_fail; /* Abort Path WQ desc alloc failure */ |
68 | atomic64_t devrst_wq_alloc_fail;/* Device Reset - WQ desc alloc fail */ |
69 | atomic64_t wq_alloc_fail; /* IO WQ desc alloc failure */ |
70 | atomic64_t no_icmnd_itmf_cmpls; |
71 | atomic64_t io_under_run; |
72 | atomic64_t qfull; |
73 | atomic64_t qsz_rampup; |
74 | atomic64_t qsz_rampdown; |
75 | atomic64_t last_qsz; |
76 | atomic64_t tgt_not_rdy; |
77 | }; |
78 | |
79 | struct snic_stats { |
80 | struct snic_io_stats io; |
81 | struct snic_abort_stats abts; |
82 | struct snic_reset_stats reset; |
83 | struct snic_fw_stats fw; |
84 | struct snic_misc_stats misc; |
85 | atomic64_t io_cmpl_skip; |
86 | }; |
87 | |
88 | void snic_stats_debugfs_init(struct snic *); |
89 | void snic_stats_debugfs_remove(struct snic *); |
90 | |
91 | /* Auxillary function to update active IO counter */ |
92 | static inline void |
93 | snic_stats_update_active_ios(struct snic_stats *s_stats) |
94 | { |
95 | struct snic_io_stats *io = &s_stats->io; |
96 | int nr_active_ios; |
97 | |
98 | nr_active_ios = atomic64_read(v: &io->active); |
99 | if (atomic64_read(v: &io->max_active) < nr_active_ios) |
100 | atomic64_set(v: &io->max_active, i: nr_active_ios); |
101 | |
102 | atomic64_inc(v: &io->num_ios); |
103 | } |
104 | |
105 | /* Auxillary function to update IO completion counter */ |
106 | static inline void |
107 | snic_stats_update_io_cmpl(struct snic_stats *s_stats) |
108 | { |
109 | atomic64_dec(v: &s_stats->io.active); |
110 | if (unlikely(atomic64_read(&s_stats->io_cmpl_skip))) |
111 | atomic64_dec(v: &s_stats->io_cmpl_skip); |
112 | else |
113 | atomic64_inc(v: &s_stats->io.compl); |
114 | } |
115 | #endif /* __SNIC_STATS_H */ |
116 |