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                 goto ret;
  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 ret:
  64         va_end(va);
  65 }
  66
  67 void
  68 qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  69                 const char *fmt, ...)
  70 {
  71         va_list va;
  72         struct va_format vaf;
  73         char nfunc[32];
  74
  75         memset(nfunc, 0, sizeof(nfunc));
  76         memcpy(nfunc, func, sizeof(nfunc) - 1);
  77
  78         va_start(va, fmt);
  79
  80         vaf.fmt = fmt;
  81         vaf.va = &va;
  82
  83         if (!(qedi_dbg_log & QEDI_LOG_NOTICE))
  84                 goto ret;
  85
  86         if (likely(qedi) && likely(qedi->pdev))
  87                 pr_notice("[%s]:[%s:%d]:%d: %pV",
  88                           dev_name(&qedi->pdev->dev), nfunc, line,
  89                           qedi->host_no, &vaf);
  90         else
  91                 pr_notice("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
  92
  93 ret:
  94         va_end(va);
  95 }
  96
  97 void
  98 qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
  99               u32 level, const char *fmt, ...)
 100 {
 101         va_list va;
 102         struct va_format vaf;
 103         char nfunc[32];
 104
 105         memset(nfunc, 0, sizeof(nfunc));
 106         memcpy(nfunc, func, sizeof(nfunc) - 1);
 107
 108         va_start(va, fmt);
 109
 110         vaf.fmt = fmt;
 111         vaf.va = &va;
 112
 113         if (!(qedi_dbg_log & level))
 114                 goto ret;
 115
 116         if (likely(qedi) && likely(qedi->pdev))
 117                 pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
 118                         nfunc, line, qedi->host_no, &vaf);
 119         else
 120                 pr_info("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
 121
 122 ret:
 123         va_end(va);
 124 }
 125
 126 int
 127 qedi_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 128 {
 129         int ret = 0;
 130
 131         for (; iter->name; iter++) {
 132                 ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
 133                                             iter->attr);
 134                 if (ret)
 135                         pr_err("Unable to create sysfs %s attr, err(%d).\n",
 136                                iter->name, ret);
 137         }
 138         return ret;
 139 }
 140
 141 void
 142 qedi_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
 143 {
 144         for (; iter->name; iter++)
 145                 sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
 146 }