160 lines
4.4 KiB
C
160 lines
4.4 KiB
C
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/*
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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_FCPIM_H__
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#define __BFA_FCPIM_H__
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#include <bfa.h>
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#include <bfa_svc.h>
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#include <bfi/bfi_fcpim.h>
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#include <defs/bfa_defs_fcpim.h>
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/*
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* forward declarations
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*/
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struct bfa_itnim_s;
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struct bfa_ioim_s;
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struct bfa_tskim_s;
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struct bfad_ioim_s;
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struct bfad_tskim_s;
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/*
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* bfa fcpim module API functions
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*/
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void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov);
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u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa);
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void bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth);
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u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa);
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bfa_status_t bfa_fcpim_get_modstats(struct bfa_s *bfa,
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struct bfa_fcpim_stats_s *modstats);
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bfa_status_t bfa_fcpim_clr_modstats(struct bfa_s *bfa);
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/*
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* bfa itnim API functions
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*/
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struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa,
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struct bfa_rport_s *rport, void *itnim);
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void bfa_itnim_delete(struct bfa_itnim_s *itnim);
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void bfa_itnim_online(struct bfa_itnim_s *itnim,
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bfa_boolean_t seq_rec);
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void bfa_itnim_offline(struct bfa_itnim_s *itnim);
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void bfa_itnim_get_stats(struct bfa_itnim_s *itnim,
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struct bfa_itnim_hal_stats_s *stats);
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void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim);
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/**
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* BFA completion callback for bfa_itnim_online().
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*
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* @param[in] itnim FCS or driver itnim instance
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*
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* return None
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*/
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void bfa_cb_itnim_online(void *itnim);
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/**
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* BFA completion callback for bfa_itnim_offline().
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*
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* @param[in] itnim FCS or driver itnim instance
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*
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* return None
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*/
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void bfa_cb_itnim_offline(void *itnim);
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void bfa_cb_itnim_tov_begin(void *itnim);
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void bfa_cb_itnim_tov(void *itnim);
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/**
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* BFA notification to FCS/driver for second level error recovery.
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*
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* Atleast one I/O request has timedout and target is unresponsive to
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* repeated abort requests. Second level error recovery should be initiated
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* by starting implicit logout and recovery procedures.
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*
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* @param[in] itnim FCS or driver itnim instance
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*
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* return None
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*/
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void bfa_cb_itnim_sler(void *itnim);
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/*
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* bfa ioim API functions
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*/
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struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa,
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struct bfad_ioim_s *dio,
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struct bfa_itnim_s *itnim,
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u16 nsgles);
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void bfa_ioim_free(struct bfa_ioim_s *ioim);
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void bfa_ioim_start(struct bfa_ioim_s *ioim);
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void bfa_ioim_abort(struct bfa_ioim_s *ioim);
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void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim,
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bfa_boolean_t iotov);
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/**
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* I/O completion notification.
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*
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* @param[in] dio driver IO structure
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* @param[in] io_status IO completion status
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* @param[in] scsi_status SCSI status returned by target
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* @param[in] sns_len SCSI sense length, 0 if none
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* @param[in] sns_info SCSI sense data, if any
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* @param[in] residue Residual length
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*
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* @return None
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*/
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void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio,
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enum bfi_ioim_status io_status,
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u8 scsi_status, int sns_len,
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u8 *sns_info, s32 residue);
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/**
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* I/O good completion notification.
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*
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* @param[in] dio driver IO structure
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*
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* @return None
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*/
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void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio);
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/**
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* I/O abort completion notification
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*
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* @param[in] dio driver IO that was aborted
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*
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* @return None
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*/
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void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio);
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void bfa_cb_ioim_resfree(void *hcb_bfad);
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void bfa_cb_ioim_resfree(void *hcb_bfad);
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/*
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* bfa tskim API functions
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*/
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struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa,
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struct bfad_tskim_s *dtsk);
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void bfa_tskim_free(struct bfa_tskim_s *tskim);
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void bfa_tskim_start(struct bfa_tskim_s *tskim,
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struct bfa_itnim_s *itnim, lun_t lun,
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enum fcp_tm_cmnd tm, u8 t_secs);
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void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk,
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enum bfi_tskim_status tsk_status);
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#endif /* __BFA_FCPIM_H__ */
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