drivers/scsi/fnic/fnic_stats.h

   1 /*
   2  * Copyright 2013 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 #ifndef _FNIC_STATS_H_
  18 #define _FNIC_STATS_H_
  19
  20 struct stats_timestamps {
  21         struct timespec64 last_reset_time;
  22         struct timespec64 last_read_time;
  23 };
  24
  25 struct io_path_stats {
  26         atomic64_t active_ios;
  27         atomic64_t max_active_ios;
  28         atomic64_t io_completions;
  29         atomic64_t io_failures;
  30         atomic64_t ioreq_null;
  31         atomic64_t alloc_failures;
  32         atomic64_t sc_null;
  33         atomic64_t io_not_found;
  34         atomic64_t num_ios;
  35         atomic64_t io_btw_0_to_10_msec;
  36         atomic64_t io_btw_10_to_100_msec;
  37         atomic64_t io_btw_100_to_500_msec;
  38         atomic64_t io_btw_500_to_5000_msec;
  39         atomic64_t io_btw_5000_to_10000_msec;
  40         atomic64_t io_btw_10000_to_30000_msec;
  41         atomic64_t io_greater_than_30000_msec;
  42         atomic64_t current_max_io_time;
  43 };
  44
  45 struct abort_stats {
  46         atomic64_t aborts;
  47         atomic64_t abort_failures;
  48         atomic64_t abort_drv_timeouts;
  49         atomic64_t abort_fw_timeouts;
  50         atomic64_t abort_io_not_found;
  51         atomic64_t abort_issued_btw_0_to_6_sec;
  52         atomic64_t abort_issued_btw_6_to_20_sec;
  53         atomic64_t abort_issued_btw_20_to_30_sec;
  54         atomic64_t abort_issued_btw_30_to_40_sec;
  55         atomic64_t abort_issued_btw_40_to_50_sec;
  56         atomic64_t abort_issued_btw_50_to_60_sec;
  57         atomic64_t abort_issued_greater_than_60_sec;
  58 };
  59
  60 struct terminate_stats {
  61         atomic64_t terminates;
  62         atomic64_t max_terminates;
  63         atomic64_t terminate_drv_timeouts;
  64         atomic64_t terminate_fw_timeouts;
  65         atomic64_t terminate_io_not_found;
  66         atomic64_t terminate_failures;
  67 };
  68
  69 struct reset_stats {
  70         atomic64_t device_resets;
  71         atomic64_t device_reset_failures;
  72         atomic64_t device_reset_aborts;
  73         atomic64_t device_reset_timeouts;
  74         atomic64_t device_reset_terminates;
  75         atomic64_t fw_resets;
  76         atomic64_t fw_reset_completions;
  77         atomic64_t fw_reset_failures;
  78         atomic64_t fnic_resets;
  79         atomic64_t fnic_reset_completions;
  80         atomic64_t fnic_reset_failures;
  81 };
  82
  83 struct fw_stats {
  84         atomic64_t active_fw_reqs;
  85         atomic64_t max_fw_reqs;
  86         atomic64_t fw_out_of_resources;
  87         atomic64_t io_fw_errs;
  88 };
  89
  90 struct vlan_stats {
  91         atomic64_t vlan_disc_reqs;
  92         atomic64_t resp_withno_vlanID;
  93         atomic64_t sol_expiry_count;
  94         atomic64_t flogi_rejects;
  95 };
  96
  97 struct misc_stats {
  98         u64 last_isr_time;
  99         u64 last_ack_time;
 100         atomic64_t isr_count;
 101         atomic64_t max_cq_entries;
 102         atomic64_t ack_index_out_of_range;
 103         atomic64_t data_count_mismatch;
 104         atomic64_t fcpio_timeout;
 105         atomic64_t fcpio_aborted;
 106         atomic64_t sgl_invalid;
 107         atomic64_t mss_invalid;
 108         atomic64_t abts_cpwq_alloc_failures;
 109         atomic64_t devrst_cpwq_alloc_failures;
 110         atomic64_t io_cpwq_alloc_failures;
 111         atomic64_t no_icmnd_itmf_cmpls;
 112         atomic64_t check_condition;
 113         atomic64_t queue_fulls;
 114         atomic64_t rport_not_ready;
 115         atomic64_t frame_errors;
 116 };
 117
 118 struct fnic_stats {
 119         struct stats_timestamps stats_timestamps;
 120         struct io_path_stats io_stats;
 121         struct abort_stats abts_stats;
 122         struct terminate_stats term_stats;
 123         struct reset_stats reset_stats;
 124         struct fw_stats fw_stats;
 125         struct vlan_stats vlan_stats;
 126         struct misc_stats misc_stats;
 127 };
 128
 129 struct stats_debug_info {
 130         char *debug_buffer;
 131         void *i_private;
 132         int buf_size;
 133         int buffer_len;
 134 };
 135
 136 int fnic_get_stats_data(struct stats_debug_info *, struct fnic_stats *);
 137 int fnic_stats_debugfs_init(struct fnic *);
 138 void fnic_stats_debugfs_remove(struct fnic *);
 139 #endif /* _FNIC_STATS_H_ */