drivers/scsi/qedi/qedi_dbg.c

   1 /*
   2  * QLogic iSCSI Offload Driver
   3  * Copyright (c) 2016 Cavium Inc.
   4  *
   5  * This software is available under the terms of the GNU General Public License
   6  * (GPL) Version 2, available from the file COPYING in the main directory of
   7  * this source tree.
   8  */
   9
  10 #include "qedi_dbg.h"
  11 #include <linux/vmalloc.h>
  12
  13 void
  14 qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  15              const char *fmt, ...)
  16 {
  17         va_list va;
  18         struct va_format vaf;
  19         char nfunc[32];
  20
  21         memset(nfunc, 0, sizeof(nfunc));
  22         memcpy(nfunc, func, sizeof(nfunc) - 1);
  23
  24         va_start(va, fmt);
  25
  26         vaf.fmt = fmt;
  27         vaf.va = &va;
  28
  29         if (likely(qedi) && likely(qedi->pdev))
  30                 pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  31                        nfunc, line, qedi->host_no, &vaf);
  32         else
  33                 pr_err("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
  34
  35         va_end(va);
  36 }
  37
  38 void
  39 qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  40               const char *fmt, ...)
  41 {
  42         va_list va;
  43         struct va_format vaf;
  44         char nfunc[32];
  45
  46         memset(nfunc, 0, sizeof(nfunc));
  47         memcpy(nfunc, func, sizeof(nfunc) - 1);
  48
  49         va_start(va, fmt);
  50
  51         vaf.fmt = fmt;
  52         vaf.va = &va;
  53
  54         if (!(qedi_dbg_log & QEDI_LOG_WARN))
  55                 return;
  56
  57         if (likely(qedi) && likely(qedi->pdev))
  58                 pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  59                         nfunc, line, qedi->host_no, &vaf);
  60         else
  61                 pr_warn("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
  62
  63         va_end(va);
  64 }
  65
  66 void
  67 qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  68                 const char *fmt, ...)
  69 {
  70         va_list va;
  71         struct va_format vaf;
  72         char nfunc[32];
  73
  74         memset(nfunc, 0, sizeof(nfunc));
  75         memcpy(nfunc, func, sizeof(nfunc) - 1);
  76
  77         va_start(va, fmt);
  78
  79         vaf.fmt = fmt;
  80         vaf.va = &va;
  81
  82         if (!(qedi_dbg_log & QEDI_LOG_NOTICE))
  83                 return;
  84
  85         if (likely(qedi) && likely(qedi->pdev))
  86                 pr_notice("[%s]:[%s:%d]:%d: %pV",
  87                           dev_name(&qedi->pdev->dev), nfunc, line,
  88                           qedi->host_no, &vaf);
  89         else
  90                 pr_notice("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
  91
  92         va_end(va);
  93 }
  94
  95 void
  96 qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  97               u32 level, const char *fmt, ...)
  98 {
  99         va_list va;
 100         struct va_format vaf;
 101         char nfunc[32];
 102
 103         memset(nfunc, 0, sizeof(nfunc));
 104         memcpy(nfunc, func, sizeof(nfunc) - 1);
 105
 106         va_start(va, fmt);
 107
 108         vaf.fmt = fmt;
 109         vaf.va = &va;
 110
 111         if (!(qedi_dbg_log & level))
 112                 return;
 113
 114         if (likely(qedi) && likely(qedi->pdev))
 115                 pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
 116                         nfunc, line, qedi->host_no, &vaf);
 117         else
 118                 pr_info("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
 119
 120         va_end(va);
 121 }
 122
 123 int
 124 qedi_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 125 {
 126         int ret = 0;
 127
 128         for (; iter->name; iter++) {
 129                 ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
 130                                             iter->attr);
 131                 if (ret)
 132                         pr_err("Unable to create sysfs %s attr, err(%d).\n",
 133                                iter->name, ret);
 134         }
 135         return ret;
 136 }
 137
 138 void
 139 qedi_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 140 {
 141         for (; iter->name; iter++)
 142                 sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
 143 }