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 struct io_path_stats {
  20         atomic64_t active_ios;
  21         atomic64_t max_active_ios;
  22         atomic64_t io_completions;
  23         atomic64_t io_failures;
  24         atomic64_t ioreq_null;
  25         atomic64_t alloc_failures;
  26         atomic64_t sc_null;
  27         atomic64_t io_not_found;
  28         atomic64_t num_ios;
  29 };
  30
  31 struct abort_stats {
  32         atomic64_t aborts;
  33         atomic64_t abort_failures;
  34         atomic64_t abort_drv_timeouts;
  35         atomic64_t abort_fw_timeouts;
  36         atomic64_t abort_io_not_found;
  37 };
  38
  39 struct terminate_stats {
  40         atomic64_t terminates;
  41         atomic64_t max_terminates;
  42         atomic64_t terminate_drv_timeouts;
  43         atomic64_t terminate_fw_timeouts;
  44         atomic64_t terminate_io_not_found;
  45         atomic64_t terminate_failures;
  46 };
  47
  48 struct reset_stats {
  49         atomic64_t device_resets;
  50         atomic64_t device_reset_failures;
  51         atomic64_t device_reset_aborts;
  52         atomic64_t device_reset_timeouts;
  53         atomic64_t device_reset_terminates;
  54         atomic64_t fw_resets;
  55         atomic64_t fw_reset_completions;
  56         atomic64_t fw_reset_failures;
  57         atomic64_t fnic_resets;
  58         atomic64_t fnic_reset_completions;
  59         atomic64_t fnic_reset_failures;
  60 };
  61
  62 struct fw_stats {
  63         atomic64_t active_fw_reqs;
  64         atomic64_t max_fw_reqs;
  65         atomic64_t fw_out_of_resources;
  66         atomic64_t io_fw_errs;
  67 };
  68
  69 struct vlan_stats {
  70         atomic64_t vlan_disc_reqs;
  71         atomic64_t resp_withno_vlanID;
  72         atomic64_t sol_expiry_count;
  73         atomic64_t flogi_rejects;
  74 };
  75
  76 struct misc_stats {
  77         u64 last_isr_time;
  78         u64 last_ack_time;
  79         atomic64_t isr_count;
  80         atomic64_t max_cq_entries;
  81         atomic64_t ack_index_out_of_range;
  82         atomic64_t data_count_mismatch;
  83         atomic64_t fcpio_timeout;
  84         atomic64_t fcpio_aborted;
  85         atomic64_t sgl_invalid;
  86         atomic64_t mss_invalid;
  87         atomic64_t abts_cpwq_alloc_failures;
  88         atomic64_t devrst_cpwq_alloc_failures;
  89         atomic64_t io_cpwq_alloc_failures;
  90         atomic64_t no_icmnd_itmf_cmpls;
  91         atomic64_t queue_fulls;
  92         atomic64_t rport_not_ready;
  93         atomic64_t frame_errors;
  94 };
  95
  96 struct fnic_stats {
  97         struct io_path_stats io_stats;
  98         struct abort_stats abts_stats;
  99         struct terminate_stats term_stats;
 100         struct reset_stats reset_stats;
 101         struct fw_stats fw_stats;
 102         struct vlan_stats vlan_stats;
 103         struct misc_stats misc_stats;
 104 };
 105
 106 struct stats_debug_info {
 107         char *debug_buffer;
 108         void *i_private;
 109         int buf_size;
 110         int buffer_len;
 111 };
 112
 113 int fnic_get_stats_data(struct stats_debug_info *, struct fnic_stats *);
 114 int fnic_stats_debugfs_init(struct fnic *);
 115 void fnic_stats_debugfs_remove(struct fnic *);
 116 #endif /* _FNIC_STATS_H_ */