Release 4.11 drivers/scsi/qedf/qedf_dbg.h

/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016 Cavium Inc.
 *
 *  This software is available under the terms of the GNU General Public License
 *  (GPL) Version 2, available from the file COPYING in the main directory of
 *  this source tree.
 */
#ifndef _QEDF_DBG_H_

#define _QEDF_DBG_H_

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <scsi/scsi_transport.h>
#include <linux/fs.h>

#include <linux/qed/common_hsi.h>
#include <linux/qed/qed_if.h>

extern uint qedf_debug;

/* Debug print level definitions */

#define QEDF_LOG_DEFAULT	0x1		
/* Set default logging mask */

#define QEDF_LOG_INFO		0x2		
/*
                                                 * Informational logs,
                                                 * MAC address, WWPN, WWNN
                                                 */

#define QEDF_LOG_DISC		0x4		
/* Init, discovery, rport */

#define QEDF_LOG_LL2		0x8		
/* LL2, VLAN logs */

#define QEDF_LOG_CONN		0x10		
/* Connection setup, cleanup */

#define QEDF_LOG_EVT		0x20		
/* Events, link, mtu */

#define QEDF_LOG_TIMER		0x40		
/* Timer events */

#define QEDF_LOG_MP_REQ	0x80		
/* Middle Path (MP) logs */

#define QEDF_LOG_SCSI_TM	0x100		
/* SCSI Aborts, Task Mgmt */

#define QEDF_LOG_UNSOL		0x200		
/* unsolicited event logs */

#define QEDF_LOG_IO		0x400		
/* scsi cmd, completion */

#define QEDF_LOG_MQ		0x800		
/* Multi Queue logs */

#define QEDF_LOG_BSG		0x1000		
/* BSG logs */

#define QEDF_LOG_DEBUGFS	0x2000		
/* debugFS logs */

#define QEDF_LOG_LPORT		0x4000		
/* lport logs */

#define QEDF_LOG_ELS		0x8000		
/* ELS logs */

#define QEDF_LOG_NPIV		0x10000		
/* NPIV logs */

#define QEDF_LOG_SESS		0x20000		
/* Conection setup, cleanup */

#define QEDF_LOG_TID		0x80000         
/*
                                                 * FW TID context acquire
                                                 * free
                                                 */

#define QEDF_TRACK_TID		0x100000        
/*
                                                 * Track TID state. To be
                                                 * enabled only at module load
                                                 * and not run-time.
                                                 */

#define QEDF_TRACK_CMD_LIST    0x300000        
/*
                                                * Track active cmd list nodes,
                                                * done with reference to TID,
                                                * hence TRACK_TID also enabled.
                                                */

#define QEDF_LOG_NOTICE	0x40000000	
/* Notice logs */

#define QEDF_LOG_WARN		0x80000000	
/* Warning logs */

/* Debug context structure */

struct qedf_dbg_ctx {
	
unsigned int host_no;
	
struct pci_dev *pdev;
#ifdef CONFIG_DEBUG_FS
	
struct dentry *bdf_dentry;
#endif
};


#define QEDF_ERR(pdev, fmt, ...)	\
		qedf_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)

#define QEDF_WARN(pdev, fmt, ...)	\
		qedf_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)

#define QEDF_NOTICE(pdev, fmt, ...)	\
		qedf_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)

#define QEDF_INFO(pdev, level, fmt, ...)	\
		qedf_dbg_info(pdev, __func__, __LINE__, level, fmt,     \
                              ## __VA_ARGS__)
__printf(4, 5)
void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
			  const char *fmt, ...);
__printf(4, 5)
void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
			   const char *, ...);
__printf(4, 5)
void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func,
			    u32 line, const char *, ...);
__printf(5, 6)
void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
			  u32 info, const char *fmt, ...);

/* GRC Dump related defines */

struct Scsi_Host;


#define QEDF_UEVENT_CODE_GRCDUMP 0


struct sysfs_bin_attrs {
	
char *name;
	
struct bin_attribute *attr;
};

extern int qedf_alloc_grc_dump_buf(uint8_t **buf, uint32_t len);
extern void qedf_free_grc_dump_buf(uint8_t **buf);
extern int qedf_get_grc_dump(struct qed_dev *cdev,
			     const struct qed_common_ops *common, uint8_t **buf,
			     uint32_t *grcsize);
extern void qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg);
extern int qedf_create_sysfs_attr(struct Scsi_Host *shost,
				   struct sysfs_bin_attrs *iter);
extern void qedf_remove_sysfs_attr(struct Scsi_Host *shost,
				    struct sysfs_bin_attrs *iter);

#ifdef CONFIG_DEBUG_FS
/* DebugFS related code */

struct qedf_list_of_funcs {
	
char *oper_str;
	
ssize_t (*oper_func)(struct qedf_dbg_ctx *qedf);
};


struct qedf_debugfs_ops {
	
char *name;
	
struct qedf_list_of_funcs *qedf_funcs;
};


#define qedf_dbg_fileops(drv, ops) \
{ \
        .owner  = THIS_MODULE, \
        .open   = simple_open, \
        .read   = drv##_dbg_##ops##_cmd_read, \
        .write  = drv##_dbg_##ops##_cmd_write \
}

/* Used for debugfs sequential files */

#define qedf_dbg_fileops_seq(drv, ops) \
{ \
        .owner = THIS_MODULE, \
        .open = drv##_dbg_##ops##_open, \
        .read = seq_read, \
        .llseek = seq_lseek, \
        .release = single_release, \
}

extern void qedf_dbg_host_init(struct qedf_dbg_ctx *qedf,
				struct qedf_debugfs_ops *dops,
				struct file_operations *fops);
extern void qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf);
extern void qedf_dbg_init(char *drv_name);
extern void qedf_dbg_exit(void);
#endif /* CONFIG_DEBUG_FS */

#endif /* _QEDF_DBG_H_ */
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Directory: drivers/scsi/qedf

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