drivers/scsi/qedi/qedi_dbg.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic iSCSI Offload Driver
   4  * Copyright (c) 2016 Cavium Inc.
   5  */
   6
   7 #include "qedi_dbg.h"
   8 #include <linux/vmalloc.h>
   9
  10 void
  11 qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  12              const char *fmt, ...)
  13 {
  14         va_list va;
  15         struct va_format vaf;
  16
  17         va_start(va, fmt);
  18
  19         vaf.fmt = fmt;
  20         vaf.va = &va;
  21
  22         if (likely(qedi) && likely(qedi->pdev))
  23                 pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  24                        func, line, qedi->host_no, &vaf);
  25         else
  26                 pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  27
  28         va_end(va);
  29 }
  30
  31 void
  32 qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  33               const char *fmt, ...)
  34 {
  35         va_list va;
  36         struct va_format vaf;
  37
  38         va_start(va, fmt);
  39
  40         vaf.fmt = fmt;
  41         vaf.va = &va;
  42
  43         if (!(qedi_dbg_log & QEDI_LOG_WARN))
  44                 goto ret;
  45
  46         if (likely(qedi) && likely(qedi->pdev))
  47                 pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  48                         func, line, qedi->host_no, &vaf);
  49         else
  50                 pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  51
  52 ret:
  53         va_end(va);
  54 }
  55
  56 void
  57 qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  58                 const char *fmt, ...)
  59 {
  60         va_list va;
  61         struct va_format vaf;
  62
  63         va_start(va, fmt);
  64
  65         vaf.fmt = fmt;
  66         vaf.va = &va;
  67
  68         if (!(qedi_dbg_log & QEDI_LOG_NOTICE))
  69                 goto ret;
  70
  71         if (likely(qedi) && likely(qedi->pdev))
  72                 pr_notice("[%s]:[%s:%d]:%d: %pV",
  73                           dev_name(&qedi->pdev->dev), func, line,
  74                           qedi->host_no, &vaf);
  75         else
  76                 pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
  77
  78 ret:
  79         va_end(va);
  80 }
  81
  82 void
  83 qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  84               u32 level, const char *fmt, ...)
  85 {
  86         va_list va;
  87         struct va_format vaf;
  88
  89         va_start(va, fmt);
  90
  91         vaf.fmt = fmt;
  92         vaf.va = &va;
  93
  94         if (!(qedi_dbg_log & level))
  95                 goto ret;
  96
  97         if (likely(qedi) && likely(qedi->pdev))
  98                 pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
  99                         func, line, qedi->host_no, &vaf);
 100         else
 101                 pr_info("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);
 102
 103 ret:
 104         va_end(va);
 105 }
 106
 107 int
 108 qedi_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 109 {
 110         int ret = 0;
 111
 112         for (; iter->name; iter++) {
 113                 ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
 114                                             iter->attr);
 115                 if (ret)
 116                         pr_err("Unable to create sysfs %s attr, err(%d).\n",
 117                                iter->name, ret);
 118         }
 119         return ret;
 120 }
 121
 122 void
 123 qedi_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 124 {
 125         for (; iter->name; iter++)
 126                 sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
 127 }