cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bfa_plog.h (4148B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
      4 * Copyright (c) 2014- QLogic Corporation.
      5 * All rights reserved
      6 * www.qlogic.com
      7 *
      8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
      9 */
     10#ifndef __BFA_PORTLOG_H__
     11#define __BFA_PORTLOG_H__
     12
     13#include "bfa_fc.h"
     14#include "bfa_defs.h"
     15
     16#define BFA_PL_NLOG_ENTS 256
     17#define BFA_PL_LOG_REC_INCR(_x) ((_x)++, (_x) %= BFA_PL_NLOG_ENTS)
     18
     19#define BFA_PL_STRING_LOG_SZ   32   /* number of chars in string log */
     20#define BFA_PL_INT_LOG_SZ      8    /* number of integers in the integer log */
     21
     22enum bfa_plog_log_type {
     23	BFA_PL_LOG_TYPE_INVALID	= 0,
     24	BFA_PL_LOG_TYPE_INT	= 1,
     25	BFA_PL_LOG_TYPE_STRING	= 2,
     26};
     27
     28/*
     29 * the (fixed size) record format for each entry in the portlog
     30 */
     31struct bfa_plog_rec_s {
     32	u64	tv;	/* timestamp */
     33	u8	 port;	/* Source port that logged this entry */
     34	u8	 mid;	/* module id */
     35	u8	 eid;	/* indicates Rx, Tx, IOCTL, etc.  bfa_plog_eid */
     36	u8	 log_type; /* string/integer log, bfa_plog_log_type_t */
     37	u8	 log_num_ints;
     38	/*
     39	 * interpreted only if log_type is INT_LOG. indicates number of
     40	 * integers in the int_log[] (0-PL_INT_LOG_SZ).
     41	 */
     42	u8	 rsvd;
     43	u16	misc;	/* can be used to indicate fc frame length */
     44	union {
     45		char	    string_log[BFA_PL_STRING_LOG_SZ];
     46		u32	int_log[BFA_PL_INT_LOG_SZ];
     47	} log_entry;
     48
     49};
     50
     51/*
     52 * the following #defines will be used by the logging entities to indicate
     53 * their module id. BFAL will convert the integer value to string format
     54 *
     55* process to be used while changing the following #defines:
     56 *  - Always add new entries at the end
     57 *  - define corresponding string in BFAL
     58 *  - Do not remove any entry or rearrange the order.
     59 */
     60enum bfa_plog_mid {
     61	BFA_PL_MID_INVALID	= 0,
     62	BFA_PL_MID_DEBUG	= 1,
     63	BFA_PL_MID_DRVR		= 2,
     64	BFA_PL_MID_HAL		= 3,
     65	BFA_PL_MID_HAL_FCXP	= 4,
     66	BFA_PL_MID_HAL_UF	= 5,
     67	BFA_PL_MID_FCS		= 6,
     68	BFA_PL_MID_LPS		= 7,
     69	BFA_PL_MID_MAX		= 8
     70};
     71
     72#define BFA_PL_MID_STRLEN    8
     73struct bfa_plog_mid_strings_s {
     74	char	    m_str[BFA_PL_MID_STRLEN];
     75};
     76
     77/*
     78 * the following #defines will be used by the logging entities to indicate
     79 * their event type. BFAL will convert the integer value to string format
     80 *
     81* process to be used while changing the following #defines:
     82 *  - Always add new entries at the end
     83 *  - define corresponding string in BFAL
     84 *  - Do not remove any entry or rearrange the order.
     85 */
     86enum bfa_plog_eid {
     87	BFA_PL_EID_INVALID		= 0,
     88	BFA_PL_EID_IOC_DISABLE		= 1,
     89	BFA_PL_EID_IOC_ENABLE		= 2,
     90	BFA_PL_EID_PORT_DISABLE		= 3,
     91	BFA_PL_EID_PORT_ENABLE		= 4,
     92	BFA_PL_EID_PORT_ST_CHANGE	= 5,
     93	BFA_PL_EID_TX			= 6,
     94	BFA_PL_EID_TX_ACK1		= 7,
     95	BFA_PL_EID_TX_RJT		= 8,
     96	BFA_PL_EID_TX_BSY		= 9,
     97	BFA_PL_EID_RX			= 10,
     98	BFA_PL_EID_RX_ACK1		= 11,
     99	BFA_PL_EID_RX_RJT		= 12,
    100	BFA_PL_EID_RX_BSY		= 13,
    101	BFA_PL_EID_CT_IN		= 14,
    102	BFA_PL_EID_CT_OUT		= 15,
    103	BFA_PL_EID_DRIVER_START		= 16,
    104	BFA_PL_EID_RSCN			= 17,
    105	BFA_PL_EID_DEBUG		= 18,
    106	BFA_PL_EID_MISC			= 19,
    107	BFA_PL_EID_FIP_FCF_DISC		= 20,
    108	BFA_PL_EID_FIP_FCF_CVL		= 21,
    109	BFA_PL_EID_LOGIN		= 22,
    110	BFA_PL_EID_LOGO			= 23,
    111	BFA_PL_EID_TRUNK_SCN		= 24,
    112	BFA_PL_EID_MAX
    113};
    114
    115#define BFA_PL_ENAME_STRLEN	8
    116struct bfa_plog_eid_strings_s {
    117	char	    e_str[BFA_PL_ENAME_STRLEN];
    118};
    119
    120#define BFA_PL_SIG_LEN	8
    121#define BFA_PL_SIG_STR  "12pl123"
    122
    123/*
    124 * per port circular log buffer
    125 */
    126struct bfa_plog_s {
    127	char	    plog_sig[BFA_PL_SIG_LEN];	/* Start signature */
    128	u8	 plog_enabled;
    129	u8	 rsvd[7];
    130	u32	ticks;
    131	u16	head;
    132	u16	tail;
    133	struct bfa_plog_rec_s  plog_recs[BFA_PL_NLOG_ENTS];
    134};
    135
    136void bfa_plog_init(struct bfa_plog_s *plog);
    137void bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
    138			enum bfa_plog_eid event, u16 misc, char *log_str);
    139void bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
    140			enum bfa_plog_eid event, u16 misc,
    141			u32 *intarr, u32 num_ints);
    142void bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
    143		enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr);
    144void bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
    145			enum bfa_plog_eid event, u16 misc,
    146			struct fchs_s *fchdr, u32 pld_w0);
    147
    148#endif /* __BFA_PORTLOG_H__ */