drivers/scsi/qedf/qedf_dbg.c

Source file repositories/reference/linux-study-clean/drivers/scsi/qedf/qedf_dbg.c

File Facts

System
Linux kernel
Corpus path
drivers/scsi/qedf/qedf_dbg.c
Extension
.c
Size
3401 bytes
Lines
176
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016-2018 Cavium Inc.
 */
#include "qedf_dbg.h"
#include <linux/vmalloc.h>

void
qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	      const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (likely(qedf) && likely(qedf->pdev))
		pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
			func, line, qedf->host_no, &vaf);
	else
		pr_err("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

	va_end(va);
}

void
qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	       const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (!(qedf_debug & QEDF_LOG_WARN))
		goto ret;

	if (likely(qedf) && likely(qedf->pdev))
		pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
			func, line, qedf->host_no, &vaf);
	else
		pr_warn("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

ret:
	va_end(va);
}

void
qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
		 const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (!(qedf_debug & QEDF_LOG_NOTICE))
		goto ret;

	if (likely(qedf) && likely(qedf->pdev))
		pr_notice("[%s]:[%s:%d]:%d: %pV",
			  dev_name(&(qedf->pdev->dev)), func, line,
			  qedf->host_no, &vaf);
	else
		pr_notice("[0000:00:00.0]:[%s:%d]: %pV", func, line, &vaf);

ret:
	va_end(va);
}

void
qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	       u32 level, const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;

	va_start(va, fmt);

	vaf.fmt = fmt;

Annotation

Implementation Notes