LXR linux/drivers/scsi/fnic/fnic

   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
  20struct stats_timestamps {
  21        struct timespec64 last_reset_time;
  22        struct timespec64 last_read_time;
  23};
  24
  25struct 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
  45struct 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
  60struct 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
  69struct 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
  83struct 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
  90struct 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
  97struct misc_stats {
  98        u64 last_isr_time;
  99        u64 last_ack_time;
 100        atomic64_t max_isr_jiffies;
 101        atomic64_t max_isr_time_ms;
 102        atomic64_t corr_work_done;
 103        atomic64_t isr_count;
 104        atomic64_t max_cq_entries;
 105        atomic64_t ack_index_out_of_range;
 106        atomic64_t data_count_mismatch;
 107        atomic64_t fcpio_timeout;
 108        atomic64_t fcpio_aborted;
 109        atomic64_t sgl_invalid;
 110        atomic64_t mss_invalid;
 111        atomic64_t abts_cpwq_alloc_failures;
 112        atomic64_t devrst_cpwq_alloc_failures;
 113        atomic64_t io_cpwq_alloc_failures;
 114        atomic64_t no_icmnd_itmf_cmpls;
 115        atomic64_t check_condition;
 116        atomic64_t queue_fulls;
 117        atomic64_t rport_not_ready;
 118        atomic64_t frame_errors;
 119        atomic64_t current_port_speed;
 120};
 121
 122struct fnic_stats {
 123        struct stats_timestamps stats_timestamps;
 124        struct io_path_stats io_stats;
 125        struct abort_stats abts_stats;
 126        struct terminate_stats term_stats;
 127        struct reset_stats reset_stats;
 128        struct fw_stats fw_stats;
 129        struct vlan_stats vlan_stats;
 130        struct misc_stats misc_stats;
 131};
 132
 133struct stats_debug_info {
 134        char *debug_buffer;
 135        void *i_private;
 136        int buf_size;
 137        int buffer_len;
 138};
 139
 140int fnic_get_stats_data(struct stats_debug_info *, struct fnic_stats *);
 141void fnic_stats_debugfs_init(struct fnic *);
 142void fnic_stats_debugfs_remove(struct fnic *);
 143#endif /* _FNIC_STATS_H_ */
 144