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1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* Copyright 2014 Cisco Systems, Inc. All rights reserved. */ | |
c8806b6c NM |
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 */ | |
3f5c11a4 | 31 | atomic64_t q_fail; /* Abort Queuing Failed */ |
c8806b6c NM |
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; | |
3f5c11a4 NM |
59 | atomic64_t ack_isr_cnt; |
60 | atomic64_t cmpl_isr_cnt; | |
61 | atomic64_t errnotify_isr_cnt; | |
c8806b6c NM |
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; | |
3f5c11a4 NM |
73 | atomic64_t qsz_rampup; |
74 | atomic64_t qsz_rampdown; | |
75 | atomic64_t last_qsz; | |
c8806b6c NM |
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 | ||
fd84ec20 | 88 | void snic_stats_debugfs_init(struct snic *); |
c8806b6c NM |
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; | |
3f5c11a4 | 96 | int nr_active_ios; |
c8806b6c | 97 | |
3f5c11a4 | 98 | nr_active_ios = atomic64_read(&io->active); |
c8806b6c NM |
99 | if (atomic64_read(&io->max_active) < nr_active_ios) |
100 | atomic64_set(&io->max_active, nr_active_ios); | |
101 | ||
102 | atomic64_inc(&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(&s_stats->io.active); | |
110 | if (unlikely(atomic64_read(&s_stats->io_cmpl_skip))) | |
111 | atomic64_dec(&s_stats->io_cmpl_skip); | |
112 | else | |
113 | atomic64_inc(&s_stats->io.compl); | |
114 | } | |
115 | #endif /* __SNIC_STATS_H */ |