177 lines
4.0 KiB
C
177 lines
4.0 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#ifndef __BFA_TRC_H__
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#define __BFA_TRC_H__
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#include <bfa_os_inc.h>
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#ifndef BFA_TRC_MAX
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#define BFA_TRC_MAX (4 * 1024)
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#endif
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#ifndef BFA_TRC_TS
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#define BFA_TRC_TS(_trcm) ((_trcm)->ticks++)
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#endif
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struct bfa_trc_s {
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#ifdef __BIGENDIAN
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u16 fileno;
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u16 line;
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#else
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u16 line;
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u16 fileno;
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#endif
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u32 timestamp;
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union {
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struct {
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u32 rsvd;
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u32 u32;
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} u32;
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u64 u64;
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} data;
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};
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struct bfa_trc_mod_s {
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u32 head;
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u32 tail;
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u32 ntrc;
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u32 stopped;
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u32 ticks;
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u32 rsvd[3];
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struct bfa_trc_s trc[BFA_TRC_MAX];
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};
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enum {
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BFA_TRC_FW = 1, /* firmware modules */
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BFA_TRC_HAL = 2, /* BFA modules */
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BFA_TRC_FCS = 3, /* BFA FCS modules */
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BFA_TRC_LDRV = 4, /* Linux driver modules */
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BFA_TRC_SDRV = 5, /* Solaris driver modules */
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BFA_TRC_VDRV = 6, /* vmware driver modules */
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BFA_TRC_WDRV = 7, /* windows driver modules */
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BFA_TRC_AEN = 8, /* AEN module */
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BFA_TRC_BIOS = 9, /* bios driver modules */
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BFA_TRC_EFI = 10, /* EFI driver modules */
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BNA_TRC_WDRV = 11, /* BNA windows driver modules */
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BNA_TRC_VDRV = 12, /* BNA vmware driver modules */
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BNA_TRC_SDRV = 13, /* BNA Solaris driver modules */
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BNA_TRC_LDRV = 14, /* BNA Linux driver modules */
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BNA_TRC_HAL = 15, /* BNA modules */
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BFA_TRC_CNA = 16, /* Common modules */
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BNA_TRC_IMDRV = 17 /* BNA windows intermediate driver modules */
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};
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#define BFA_TRC_MOD_SH 10
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#define BFA_TRC_MOD(__mod) ((BFA_TRC_ ## __mod) << BFA_TRC_MOD_SH)
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/**
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* Define a new tracing file (module). Module should match one defined above.
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*/
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#define BFA_TRC_FILE(__mod, __submod) \
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static int __trc_fileno = ((BFA_TRC_ ## __mod ## _ ## __submod) | \
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BFA_TRC_MOD(__mod))
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#define bfa_trc32(_trcp, _data) \
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__bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data)
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#ifndef BFA_BOOT_BUILD
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#define bfa_trc(_trcp, _data) \
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__bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u64)_data)
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#else
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void bfa_boot_trc(struct bfa_trc_mod_s *trcmod, u16 fileno,
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u16 line, u32 data);
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#define bfa_trc(_trcp, _data) \
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bfa_boot_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data)
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#endif
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static inline void
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bfa_trc_init(struct bfa_trc_mod_s *trcm)
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{
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trcm->head = trcm->tail = trcm->stopped = 0;
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trcm->ntrc = BFA_TRC_MAX;
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}
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static inline void
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bfa_trc_stop(struct bfa_trc_mod_s *trcm)
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{
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trcm->stopped = 1;
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}
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#ifdef FWTRC
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extern void dc_flush(void *data);
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#else
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#define dc_flush(data)
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#endif
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static inline void
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__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
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{
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int tail = trcm->tail;
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struct bfa_trc_s *trc = &trcm->trc[tail];
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if (trcm->stopped)
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return;
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trc->fileno = (u16) fileno;
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trc->line = (u16) line;
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trc->data.u64 = data;
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trc->timestamp = BFA_TRC_TS(trcm);
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dc_flush(trc);
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trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
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if (trcm->tail == trcm->head)
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trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
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dc_flush(trcm);
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}
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static inline void
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__bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data)
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{
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int tail = trcm->tail;
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struct bfa_trc_s *trc = &trcm->trc[tail];
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if (trcm->stopped)
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return;
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trc->fileno = (u16) fileno;
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trc->line = (u16) line;
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trc->data.u32.u32 = data;
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trc->timestamp = BFA_TRC_TS(trcm);
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dc_flush(trc);
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trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
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if (trcm->tail == trcm->head)
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trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
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dc_flush(trcm);
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}
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#ifndef BFA_PERF_BUILD
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#define bfa_trc_fp(_trcp, _data) bfa_trc(_trcp, _data)
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#else
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#define bfa_trc_fp(_trcp, _data)
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#endif
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#endif /* __BFA_TRC_H__ */
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