cregit-Linux how code gets into the kernel

Release 4.11 drivers/scsi/bfa/bfa_plog.h

Directory: drivers/scsi/bfa
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014- QLogic Corporation.
 * All rights reserved
 * www.qlogic.com
 *
 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */
#ifndef __BFA_PORTLOG_H__

#define __BFA_PORTLOG_H__

#include "bfa_fc.h"
#include "bfa_defs.h"


#define BFA_PL_NLOG_ENTS 256

#define BFA_PL_LOG_REC_INCR(_x) ((_x)++, (_x) %= BFA_PL_NLOG_ENTS)


#define BFA_PL_STRING_LOG_SZ   32   
/* number of chars in string log */

#define BFA_PL_INT_LOG_SZ      8    
/* number of integers in the integer log */


enum bfa_plog_log_type {
	
BFA_PL_LOG_TYPE_INVALID	= 0,
	
BFA_PL_LOG_TYPE_INT	= 1,
	
BFA_PL_LOG_TYPE_STRING	= 2,
};

/*
 * the (fixed size) record format for each entry in the portlog
 */

struct bfa_plog_rec_s {
	
u64	tv;	/* timestamp */
	
u8	 port;	/* Source port that logged this entry */
	
u8	 mid;	/* module id */
	
u8	 eid;	/* indicates Rx, Tx, IOCTL, etc.  bfa_plog_eid */
	
u8	 log_type; /* string/integer log, bfa_plog_log_type_t */
	
u8	 log_num_ints;
	/*
         * interpreted only if log_type is INT_LOG. indicates number of
         * integers in the int_log[] (0-PL_INT_LOG_SZ).
         */
	
u8	 rsvd;
	
u16	misc;	/* can be used to indicate fc frame length */
	union {
		
char	    string_log[BFA_PL_STRING_LOG_SZ];
		
u32	int_log[BFA_PL_INT_LOG_SZ];
	} 
log_entry;

};

/*
 * the following #defines will be used by the logging entities to indicate
 * their module id. BFAL will convert the integer value to string format
 *
* process to be used while changing the following #defines:
 *  - Always add new entries at the end
 *  - define corresponding string in BFAL
 *  - Do not remove any entry or rearrange the order.
 */

enum bfa_plog_mid {
	
BFA_PL_MID_INVALID	= 0,
	
BFA_PL_MID_DEBUG	= 1,
	
BFA_PL_MID_DRVR		= 2,
	
BFA_PL_MID_HAL		= 3,
	
BFA_PL_MID_HAL_FCXP	= 4,
	
BFA_PL_MID_HAL_UF	= 5,
	
BFA_PL_MID_FCS		= 6,
	
BFA_PL_MID_LPS		= 7,
	
BFA_PL_MID_MAX		= 8
};


#define BFA_PL_MID_STRLEN    8

struct bfa_plog_mid_strings_s {
	
char	    m_str[BFA_PL_MID_STRLEN];
};

/*
 * the following #defines will be used by the logging entities to indicate
 * their event type. BFAL will convert the integer value to string format
 *
* process to be used while changing the following #defines:
 *  - Always add new entries at the end
 *  - define corresponding string in BFAL
 *  - Do not remove any entry or rearrange the order.
 */

enum bfa_plog_eid {
	
BFA_PL_EID_INVALID		= 0,
	
BFA_PL_EID_IOC_DISABLE		= 1,
	
BFA_PL_EID_IOC_ENABLE		= 2,
	
BFA_PL_EID_PORT_DISABLE		= 3,
	
BFA_PL_EID_PORT_ENABLE		= 4,
	
BFA_PL_EID_PORT_ST_CHANGE	= 5,
	
BFA_PL_EID_TX			= 6,
	
BFA_PL_EID_TX_ACK1		= 7,
	
BFA_PL_EID_TX_RJT		= 8,
	
BFA_PL_EID_TX_BSY		= 9,
	
BFA_PL_EID_RX			= 10,
	
BFA_PL_EID_RX_ACK1		= 11,
	
BFA_PL_EID_RX_RJT		= 12,
	
BFA_PL_EID_RX_BSY		= 13,
	
BFA_PL_EID_CT_IN		= 14,
	
BFA_PL_EID_CT_OUT		= 15,
	
BFA_PL_EID_DRIVER_START		= 16,
	
BFA_PL_EID_RSCN			= 17,
	
BFA_PL_EID_DEBUG		= 18,
	
BFA_PL_EID_MISC			= 19,
	
BFA_PL_EID_FIP_FCF_DISC		= 20,
	
BFA_PL_EID_FIP_FCF_CVL		= 21,
	
BFA_PL_EID_LOGIN		= 22,
	
BFA_PL_EID_LOGO			= 23,
	
BFA_PL_EID_TRUNK_SCN		= 24,
	
BFA_PL_EID_MAX
};


#define BFA_PL_ENAME_STRLEN	8

struct bfa_plog_eid_strings_s {
	
char	    e_str[BFA_PL_ENAME_STRLEN];
};


#define BFA_PL_SIG_LEN	8

#define BFA_PL_SIG_STR  "12pl123"

/*
 * per port circular log buffer
 */

struct bfa_plog_s {
	
char	    plog_sig[BFA_PL_SIG_LEN];	/* Start signature */
	
u8	 plog_enabled;
	
u8	 rsvd[7];
	
u32	ticks;
	
u16	head;
	
u16	tail;
	
struct bfa_plog_rec_s  plog_recs[BFA_PL_NLOG_ENTS];
};

void bfa_plog_init(struct bfa_plog_s *plog);
void bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
			enum bfa_plog_eid event, u16 misc, char *log_str);
void bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
			enum bfa_plog_eid event, u16 misc,
			u32 *intarr, u32 num_ints);
void bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
		enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr);
void bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
			enum bfa_plog_eid event, u16 misc,
			struct fchs_s *fchdr, u32 pld_w0);

#endif /* __BFA_PORTLOG_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jing Huang40992.12%125.00%
Krishna Gudipati347.66%250.00%
Anil Gurumurthy10.23%125.00%
Total444100.00%4100.00%
Directory: drivers/scsi/bfa
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