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
  20         va_start(va, fmt);
  21
  22         vaf.fmt = fmt;
  23         vaf.va = &va;
  24
  25         if (likely(qedi) && likely(qedi->pdev))
  26                 pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  27                        func, line, qedi->host_no, &vaf);
  28         else
  29                 pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  30
  31         va_end(va);
  32 }
  33
  34 void
  35 qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  36               const char *fmt, ...)
  37 {
  38         va_list va;
  39         struct va_format vaf;
  40
  41         va_start(va, fmt);
  42
  43         vaf.fmt = fmt;
  44         vaf.va = &va;
  45
  46         if (!(qedi_dbg_log & QEDI_LOG_WARN))
  47                 goto ret;
  48
  49         if (likely(qedi) && likely(qedi->pdev))
  50                 pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  51                         func, line, qedi->host_no, &vaf);
  52         else
  53                 pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  54
  55 ret:
  56         va_end(va);
  57 }
  58
  59 void
  60 qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  61                 const char *fmt, ...)
  62 {
  63         va_list va;
  64         struct va_format vaf;
  65
  66         va_start(va, fmt);
  67
  68         vaf.fmt = fmt;
  69         vaf.va = &va;
  70
  71         if (!(qedi_dbg_log & QEDI_LOG_NOTICE))
  72                 goto ret;
  73
  74         if (likely(qedi) && likely(qedi->pdev))
  75                 pr_notice("[%s]:[%s:%d]:%d: %pV",
  76                           dev_name(&qedi->pdev->dev), func, line,
  77                           qedi->host_no, &vaf);
  78         else
  79                 pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  80
  81 ret:
  82         va_end(va);
  83 }
  84
  85 void
  86 qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  87               u32 level, const char *fmt, ...)
  88 {
  89         va_list va;
  90         struct va_format vaf;
  91
  92         va_start(va, fmt);
  93
  94         vaf.fmt = fmt;
  95         vaf.va = &va;
  96
  97         if (!(qedi_dbg_log & level))
  98                 goto ret;
  99
 100         if (likely(qedi) && likely(qedi->pdev))
 101                 pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
 102                         func, line, qedi->host_no, &vaf);
 103         else
 104                 pr_info("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
 105
 106 ret:
 107         va_end(va);
 108 }
 109
 110 int
 111 qedi_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 112 {
 113         int ret = 0;
 114
 115         for (; iter->name; iter++) {
 116                 ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
 117                                             iter->attr);
 118                 if (ret)
 119                         pr_err("Unable to create sysfs %s attr, err(%d).\n",
 120                                iter->name, ret);
 121         }
 122         return ret;
 123 }
 124
 125 void
 126 qedi_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 127 {
 128         for (; iter->name; iter++)
 129                 sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
 130 }