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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * QLogic FCoE Offload Driver4 * Copyright (c) 2016-2018 Cavium Inc.5 */6#include "qedf_dbg.h"7#include <linux/vmalloc.h>8 9void10qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,11 const char *fmt, ...)12{13 va_list va;14 struct va_format vaf;15 16 va_start(va, fmt);17 18 vaf.fmt = fmt;19 vaf.va = &va;20 21 if (likely(qedf) && likely(qedf->pdev))22 pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),23 func, line, qedf->host_no, &vaf);24 else25 pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);26 27 va_end(va);28}29 30void31qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,32 const char *fmt, ...)33{34 va_list va;35 struct va_format vaf;36 37 va_start(va, fmt);38 39 vaf.fmt = fmt;40 vaf.va = &va;41 42 if (!(qedf_debug & QEDF_LOG_WARN))43 goto ret;44 45 if (likely(qedf) && likely(qedf->pdev))46 pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),47 func, line, qedf->host_no, &vaf);48 else49 pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);50 51ret:52 va_end(va);53}54 55void56qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line,57 const char *fmt, ...)58{59 va_list va;60 struct va_format vaf;61 62 va_start(va, fmt);63 64 vaf.fmt = fmt;65 vaf.va = &va;66 67 if (!(qedf_debug & QEDF_LOG_NOTICE))68 goto ret;69 70 if (likely(qedf) && likely(qedf->pdev))71 pr_notice("[%s]:[%s:%d]:%d: %pV",72 dev_name(&(qedf->pdev->dev)), func, line,73 qedf->host_no, &vaf);74 else75 pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);76 77ret:78 va_end(va);79}80 81void82qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,83 u32 level, const char *fmt, ...)84{85 va_list va;86 struct va_format vaf;87 88 va_start(va, fmt);89 90 vaf.fmt = fmt;91 vaf.va = &va;92 93 if (!(qedf_debug & level))94 goto ret;95 96 if (likely(qedf) && likely(qedf->pdev))97 pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),98 func, line, qedf->host_no, &vaf);99 else100 pr_info("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);101 102ret:103 va_end(va);104}105 106int107qedf_alloc_grc_dump_buf(u8 **buf, uint32_t len)108{109 *buf = vzalloc(len);110 if (!(*buf))111 return -ENOMEM;112 113 return 0;114}115 116void117qedf_free_grc_dump_buf(uint8_t **buf)118{119 vfree(*buf);120 *buf = NULL;121}122 123int124qedf_get_grc_dump(struct qed_dev *cdev, const struct qed_common_ops *common,125 u8 **buf, uint32_t *grcsize)126{127 if (!*buf)128 return -EINVAL;129 130 return common->dbg_all_data(cdev, *buf);131}132 133void134qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg)135{136 char event_string[40];137 char *envp[] = {event_string, NULL};138 139 memset(event_string, 0, sizeof(event_string));140 switch (code) {141 case QEDF_UEVENT_CODE_GRCDUMP:142 if (msg)143 strscpy(event_string, msg, sizeof(event_string));144 else145 sprintf(event_string, "GRCDUMP=%u", shost->host_no);146 break;147 default:148 /* do nothing */149 break;150 }151 152 kobject_uevent_env(&shost->shost_gendev.kobj, KOBJ_CHANGE, envp);153}154 155int156qedf_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)157{158 int ret = 0;159 160 for (; iter->name; iter++) {161 ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,162 iter->attr);163 if (ret)164 pr_err("Unable to create sysfs %s attr, err(%d).\n",165 iter->name, ret);166 }167 return ret;168}169 170void171qedf_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)172{173 for (; iter->name; iter++)174 sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);175}176