adf_freebsd_pfvf_ctrs_dbg.c

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    1 /* SPDX-License-Identifier: BSD-3-Clause */
    2 /* Copyright(c) 2007-2022 Intel Corporation */
    3 /* $FreeBSD$ */
    4 #include "adf_accel_devices.h"
    5 #include "adf_common_drv.h"
    6 #include "adf_dev_err.h"
    7 #include "adf_freebsd_pfvf_ctrs_dbg.h"
    8 
    9 #define MAX_REPORT_LINES (14)
   10 #define MAX_REPORT_LINE_LEN (64)
   11 #define MAX_REPORT_SIZE (MAX_REPORT_LINES * MAX_REPORT_LINE_LEN)
   12 
   13 static void
   14 adf_pfvf_ctrs_prepare_report(char *rep, struct pfvf_stats *pfvf_counters)
   15 {
   16         unsigned int value = 0;
   17         char *string = "unknown";
   18         unsigned int pos = 0;
   19         char *ptr = rep;
   20 
   21         for (pos = 0; pos < MAX_REPORT_LINES; pos++) {
   22                 switch (pos) {
   23                 case 0:
   24                         string = "Messages written to CSR";
   25                         value = pfvf_counters->tx;
   26                         break;
   27                 case 1:
   28                         string = "Messages read from CSR";
   29                         value = pfvf_counters->rx;
   30                         break;
   31                 case 2:
   32                         string = "Spurious Interrupt";
   33                         value = pfvf_counters->spurious;
   34                         break;
   35                 case 3:
   36                         string = "Block messages sent";
   37                         value = pfvf_counters->blk_tx;
   38                         break;
   39                 case 4:
   40                         string = "Block messages received";
   41                         value = pfvf_counters->blk_rx;
   42                         break;
   43                 case 5:
   44                         string = "Blocks received with CRC errors";
   45                         value = pfvf_counters->crc_err;
   46                         break;
   47                 case 6:
   48                         string = "CSR in use";
   49                         value = pfvf_counters->busy;
   50                         break;
   51                 case 7:
   52                         string = "No acknowledgment";
   53                         value = pfvf_counters->no_ack;
   54                         break;
   55                 case 8:
   56                         string = "Collisions";
   57                         value = pfvf_counters->collision;
   58                         break;
   59                 case 9:
   60                         string = "Put msg timeout";
   61                         value = pfvf_counters->tx_timeout;
   62                         break;
   63                 case 10:
   64                         string = "No response received";
   65                         value = pfvf_counters->rx_timeout;
   66                         break;
   67                 case 11:
   68                         string = "Responses received";
   69                         value = pfvf_counters->rx_rsp;
   70                         break;
   71                 case 12:
   72                         string = "Messages re-transmitted";
   73                         value = pfvf_counters->retry;
   74                         break;
   75                 case 13:
   76                         string = "Put event timeout";
   77                         value = pfvf_counters->event_timeout;
   78                         break;
   79                 default:
   80                         value = 0;
   81                 }
   82                 if (value)
   83                         ptr += snprintf(ptr,
   84                                         (MAX_REPORT_SIZE - (ptr - rep)),
   85                                         "%s %u\n",
   86                                         string,
   87                                         value);
   88         }
   89 }
   90 
   91 static int adf_pfvf_ctrs_show(SYSCTL_HANDLER_ARGS)
   92 {
   93         struct pfvf_stats *pfvf_counters = arg1;
   94         char report[MAX_REPORT_SIZE];
   95 
   96         if (!pfvf_counters)
   97                 return EINVAL;
   98 
   99         explicit_bzero(report, sizeof(report));
  100         adf_pfvf_ctrs_prepare_report(report, pfvf_counters);
  101         sysctl_handle_string(oidp, report, sizeof(report), req);
  102         return 0;
  103 }
  104 
  105 int
  106 adf_pfvf_ctrs_dbg_add(struct adf_accel_dev *accel_dev)
  107 {
  108         struct sysctl_ctx_list *qat_sysctl_ctx;
  109         struct sysctl_oid *qat_pfvf_ctrs_sysctl_tree;
  110         struct sysctl_oid *oid_pfvf;
  111         device_t dev;
  112 
  113         if (!accel_dev || accel_dev->accel_id > ADF_MAX_DEVICES)
  114                 return EINVAL;
  115 
  116         dev = GET_DEV(accel_dev);
  117 
  118         qat_sysctl_ctx = device_get_sysctl_ctx(dev);
  119         qat_pfvf_ctrs_sysctl_tree = device_get_sysctl_tree(dev);
  120 
  121         oid_pfvf = SYSCTL_ADD_PROC(qat_sysctl_ctx,
  122                                    SYSCTL_CHILDREN(qat_pfvf_ctrs_sysctl_tree),
  123                                    OID_AUTO,
  124                                    "pfvf_counters",
  125                                    CTLTYPE_STRING | CTLFLAG_RD,
  126                                    &accel_dev->u1.vf.pfvf_counters,
  127                                    0,
  128                                    adf_pfvf_ctrs_show,
  129                                    "A",
  130                                    "QAT PFVF counters");
  131 
  132         if (!oid_pfvf) {
  133                 device_printf(dev, "Failure creating PFVF counters sysctl\n");
  134                 return ENOMEM;
  135         }
  136         return 0;
  137 }

Cache object: 1f6657da3704dcd79ce88cb9d511a86c

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FreeBSD/Linux Kernel Cross Reference sys/dev/qat/qat_common/adf_freebsd_pfvf_ctrs_dbg.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/qat/qat_common/adf_freebsd_pfvf_ctrs_dbg.c