/* SPDX-License-Identifier: GPL-2.0-only */ /* * 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. */ #ifndef __BFA_FCPIM_H__ #define __BFA_FCPIM_H__ #include "bfa.h" #include "bfa_svc.h" #include "bfi_ms.h" #include "bfa_defs_svc.h" #include "bfa_cs.h" /* FCP module related definitions */ #define BFA_IO_MAX … #define BFA_FWTIO_MAX … struct bfa_fcp_mod_s; struct bfa_iotag_s { … }; struct bfa_itn_s { … }; void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)); void bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m); void bfa_iotag_attach(struct bfa_fcp_mod_s *fcp); void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw); #define BFA_FCP_MOD(_hal) … #define BFA_MEM_FCP_KVA(__bfa) … #define BFA_IOTAG_FROM_TAG(_fcp, _tag) … #define BFA_ITN_FROM_TAG(_fcp, _tag) … #define BFA_SNSINFO_FROM_TAG(_fcp, _tag) … #define BFA_ITNIM_MIN … #define BFA_ITNIM_MAX … #define BFA_IOIM_MIN … #define BFA_IOIM_MAX … #define BFA_TSKIM_MIN … #define BFA_TSKIM_MAX … #define BFA_FCPIM_PATHTOV_DEF … #define BFA_FCPIM_PATHTOV_MAX … #define bfa_itnim_ioprofile_update(__itnim, __index) … #define BFA_IOIM_RETRY_TAG_OFFSET … #define BFA_IOIM_IOTAG_MASK … #define BFA_IOIM_RETRY_MAX … /* Buckets are are 512 bytes to 2MB */ static inline u32 bfa_ioim_get_index(u32 n) { … } /* * forward declarations */ struct bfa_ioim_s; struct bfa_tskim_s; struct bfad_ioim_s; struct bfad_tskim_s; bfa_fcpim_profile_t; struct bfa_fcpim_s { … }; /* Max FCP dma segs required */ #define BFA_FCP_DMA_SEGS … struct bfa_fcp_mod_s { … }; /* * IO state machine events */ enum bfa_ioim_event { … }; struct bfa_ioim_s; bfa_ioim_sm_t; /* * BFA IO (initiator mode) */ struct bfa_ioim_s { … }; struct bfa_ioim_sp_s { … }; enum bfa_tskim_event { … }; struct bfa_tskim_s; bfa_tskim_sm_t; /* * BFA Task management command (initiator mode) */ struct bfa_tskim_s { … }; /* * itnim state machine event */ enum bfa_itnim_event { … }; struct bfa_itnim_s; bfa_itnim_sm_t; /* * BFA i-t-n (initiator mode) */ struct bfa_itnim_s { … }; #define bfa_itnim_is_online(_itnim) … #define BFA_FCPIM(_hal) … #define BFA_IOIM_TAG_2_ID(_iotag) … #define BFA_IOIM_FROM_TAG(_fcpim, _iotag) … #define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) … #define bfa_io_profile_start_time(_bfa) … #define bfa_fcpim_get_io_profile(_bfa) … #define bfa_ioim_update_iotag(__ioim) … static inline bfa_boolean_t bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim) { … } /* * function prototypes */ void bfa_ioim_attach(struct bfa_fcpim_s *fcpim); void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); void bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); void bfa_ioim_cleanup(struct bfa_ioim_s *ioim); void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim); void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim); void bfa_ioim_tov(struct bfa_ioim_s *ioim); void bfa_tskim_attach(struct bfa_fcpim_s *fcpim); void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); void bfa_tskim_iodone(struct bfa_tskim_s *tskim); void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim); void bfa_tskim_cleanup(struct bfa_tskim_s *tskim); void bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw); void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len); void bfa_itnim_attach(struct bfa_fcpim_s *fcpim); void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim); void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); void bfa_itnim_iodone(struct bfa_itnim_s *itnim); void bfa_itnim_tskdone(struct bfa_itnim_s *itnim); bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim); /* * bfa fcpim module API functions */ void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov); u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa); u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa); bfa_status_t bfa_fcpim_port_iostats(struct bfa_s *bfa, struct bfa_itnim_iostats_s *stats, u8 lp_tag); void bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *fcpim_stats, struct bfa_itnim_iostats_s *itnim_stats); bfa_status_t bfa_fcpim_profile_on(struct bfa_s *bfa, time64_t time); bfa_status_t bfa_fcpim_profile_off(struct bfa_s *bfa); #define bfa_fcpim_ioredirect_enabled(__bfa) … #define bfa_fcpim_get_next_reqq(__bfa, __qid) … #define bfa_iocfc_map_msg_to_qid(__msg, __qid) … /* * bfa itnim API functions */ struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *itnim); void bfa_itnim_delete(struct bfa_itnim_s *itnim); void bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec); void bfa_itnim_offline(struct bfa_itnim_s *itnim); void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim); bfa_status_t bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, struct bfa_itnim_ioprofile_s *ioprofile); #define bfa_itnim_get_reqq(__ioim) … /* * BFA completion callback for bfa_itnim_online(). */ void bfa_cb_itnim_online(void *itnim); /* * BFA completion callback for bfa_itnim_offline(). */ void bfa_cb_itnim_offline(void *itnim); void bfa_cb_itnim_tov_begin(void *itnim); void bfa_cb_itnim_tov(void *itnim); /* * BFA notification to FCS/driver for second level error recovery. * Atleast one I/O request has timedout and target is unresponsive to * repeated abort requests. Second level error recovery should be initiated * by starting implicit logout and recovery procedures. */ void bfa_cb_itnim_sler(void *itnim); /* * bfa ioim API functions */ struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, struct bfa_itnim_s *itnim, u16 nsgles); void bfa_ioim_free(struct bfa_ioim_s *ioim); void bfa_ioim_start(struct bfa_ioim_s *ioim); bfa_status_t bfa_ioim_abort(struct bfa_ioim_s *ioim); void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov); /* * I/O completion notification. * * @param[in] dio driver IO structure * @param[in] io_status IO completion status * @param[in] scsi_status SCSI status returned by target * @param[in] sns_len SCSI sense length, 0 if none * @param[in] sns_info SCSI sense data, if any * @param[in] residue Residual length * * @return None */ void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio, enum bfi_ioim_status io_status, u8 scsi_status, int sns_len, u8 *sns_info, s32 residue); /* * I/O good completion notification. */ void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio); /* * I/O abort completion notification */ void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio); /* * bfa tskim API functions */ struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk); void bfa_tskim_free(struct bfa_tskim_s *tskim); void bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, struct scsi_lun lun, enum fcp_tm_cmnd tm, u8 t_secs); void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, enum bfi_tskim_status tsk_status); void bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, u16 rp_tag, u8 lp_tag); bfa_status_t bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 on_off); bfa_status_t bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf); bfa_status_t bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun); bfa_status_t bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun); bfa_status_t bfa_fcpim_lunmask_clear(struct bfa_s *bfa); u16 bfa_fcpim_read_throttle(struct bfa_s *bfa); bfa_status_t bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value); bfa_status_t bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value); bfa_status_t bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf); u16 bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param); #endif /* __BFA_FCPIM_H__ */
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