/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2008 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. */ #ifndef _FNIC_H_ #define _FNIC_H_ #include <linux/interrupt.h> #include <linux/netdevice.h> #include <linux/workqueue.h> #include <linux/bitops.h> #include <scsi/libfc.h> #include <scsi/libfcoe.h> #include "fnic_io.h" #include "fnic_res.h" #include "fnic_trace.h" #include "fnic_stats.h" #include "vnic_dev.h" #include "vnic_wq.h" #include "vnic_rq.h" #include "vnic_cq.h" #include "vnic_wq_copy.h" #include "vnic_intr.h" #include "vnic_stats.h" #include "vnic_scsi.h" #define DRV_NAME … #define DRV_DESCRIPTION … #define DRV_VERSION … #define PFX … #define DFX … #define DESC_CLEAN_LOW_WATERMARK … #define FNIC_UCSM_DFLT_THROTTLE_CNT_BLD … #define FNIC_MIN_IO_REQ … #define FNIC_MAX_IO_REQ … #define FNIC_DFLT_IO_REQ … #define FNIC_DFLT_QUEUE_DEPTH … #define FNIC_STATS_RATE_LIMIT … /* * Tag bits used for special requests. */ #define FNIC_TAG_ABORT … #define FNIC_TAG_DEV_RST … #define FNIC_TAG_MASK … #define FNIC_NO_TAG … /* * Command flags to identify the type of command and for other future * use. */ #define FNIC_NO_FLAGS … #define FNIC_IO_INITIALIZED … #define FNIC_IO_ISSUED … #define FNIC_IO_DONE … #define FNIC_IO_REQ_NULL … #define FNIC_IO_ABTS_PENDING … #define FNIC_IO_ABORTED … #define FNIC_IO_ABTS_ISSUED … #define FNIC_IO_TERM_ISSUED … #define FNIC_IO_INTERNAL_TERM_ISSUED … #define FNIC_IO_ABT_TERM_DONE … #define FNIC_IO_ABT_TERM_REQ_NULL … #define FNIC_IO_ABT_TERM_TIMED_OUT … #define FNIC_DEVICE_RESET … #define FNIC_DEV_RST_ISSUED … #define FNIC_DEV_RST_TIMED_OUT … #define FNIC_DEV_RST_ABTS_ISSUED … #define FNIC_DEV_RST_TERM_ISSUED … #define FNIC_DEV_RST_DONE … #define FNIC_DEV_RST_REQ_NULL … #define FNIC_DEV_RST_ABTS_DONE … #define FNIC_DEV_RST_TERM_DONE … #define FNIC_DEV_RST_ABTS_PENDING … /* * fnic private data per SCSI command. * These fields are locked by the hashed io_req_lock. */ struct fnic_cmd_priv { … }; static inline struct fnic_cmd_priv *fnic_priv(struct scsi_cmnd *cmd) { … } static inline u64 fnic_flags_and_state(struct scsi_cmnd *cmd) { … } #define FCPIO_INVALID_CODE … #define FNIC_LUN_RESET_TIMEOUT … #define FNIC_HOST_RESET_TIMEOUT … #define FNIC_RMDEVICE_TIMEOUT … #define FNIC_HOST_RESET_SETTLE_TIME … #define FNIC_ABT_TERM_DELAY_TIMEOUT … #define FNIC_MAX_FCP_TARGET … #define FNIC_PCI_OFFSET … /** * state_flags to identify host state along along with fnic's state **/ #define __FNIC_FLAGS_FWRESET … #define __FNIC_FLAGS_BLOCK_IO … #define FNIC_FLAGS_NONE … #define FNIC_FLAGS_FWRESET … #define FNIC_FLAGS_IO_BLOCKED … #define fnic_set_state_flags(fnicp, st_flags) … #define fnic_clear_state_flags(fnicp, st_flags) … extern unsigned int fnic_log_level; extern unsigned int io_completions; #define FNIC_MAIN_LOGGING … #define FNIC_FCS_LOGGING … #define FNIC_SCSI_LOGGING … #define FNIC_ISR_LOGGING … #define FNIC_CHECK_LOGGING(LEVEL, CMD) … #define FNIC_MAIN_DBG(kern_level, host, fnic_num, fmt, args...) … #define FNIC_FCS_DBG(kern_level, host, fnic_num, fmt, args...) … #define FNIC_SCSI_DBG(kern_level, host, fnic_num, fmt, args...) … #define FNIC_ISR_DBG(kern_level, host, fnic_num, fmt, args...) … #define FNIC_MAIN_NOTE(kern_level, host, fmt, args...) … #define FNIC_WQ_COPY_MAX … #define FNIC_WQ_MAX … #define FNIC_RQ_MAX … #define FNIC_CQ_MAX … #define FNIC_DFLT_IO_COMPLETIONS … #define FNIC_MQ_CQ_INDEX … extern const char *fnic_state_str[]; enum fnic_intx_intr_index { … }; enum fnic_msix_intr_index { … }; struct fnic_msix_entry { … }; enum fnic_state { … }; struct mempool; enum fnic_evt { … }; struct fnic_event { … }; struct fnic_cpy_wq { … }; /* Per-instance private data structure */ struct fnic { … }; static inline struct fnic *fnic_from_ctlr(struct fcoe_ctlr *fip) { … } extern struct workqueue_struct *fnic_event_queue; extern struct workqueue_struct *fnic_fip_queue; extern const struct attribute_group *fnic_host_groups[]; void fnic_clear_intr_mode(struct fnic *fnic); int fnic_set_intr_mode(struct fnic *fnic); int fnic_set_intr_mode_msix(struct fnic *fnic); void fnic_free_intr(struct fnic *fnic); int fnic_request_intr(struct fnic *fnic); int fnic_send(struct fc_lport *, struct fc_frame *); void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf); void fnic_handle_frame(struct work_struct *work); void fnic_handle_link(struct work_struct *work); void fnic_handle_event(struct work_struct *work); int fnic_rq_cmpl_handler(struct fnic *fnic, int); int fnic_alloc_rq_frame(struct vnic_rq *rq); void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf); void fnic_flush_tx(struct work_struct *work); void fnic_eth_send(struct fcoe_ctlr *, struct sk_buff *skb); void fnic_set_port_id(struct fc_lport *, u32, struct fc_frame *); void fnic_update_mac(struct fc_lport *, u8 *new); void fnic_update_mac_locked(struct fnic *, u8 *new); int fnic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); int fnic_abort_cmd(struct scsi_cmnd *); int fnic_device_reset(struct scsi_cmnd *); int fnic_host_reset(struct scsi_cmnd *); int fnic_reset(struct Scsi_Host *); void fnic_scsi_cleanup(struct fc_lport *); void fnic_scsi_abort_io(struct fc_lport *); void fnic_empty_scsi_cleanup(struct fc_lport *); void fnic_exch_mgr_reset(struct fc_lport *, u32, u32); int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do, unsigned int cq_index); int fnic_wq_cmpl_handler(struct fnic *fnic, int); int fnic_flogi_reg_handler(struct fnic *fnic, u32); void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, struct fcpio_host_req *desc); int fnic_fw_reset_handler(struct fnic *fnic); void fnic_terminate_rport_io(struct fc_rport *); const char *fnic_state_to_str(unsigned int state); void fnic_mq_map_queues_cpus(struct Scsi_Host *host); void fnic_log_q_error(struct fnic *fnic); void fnic_handle_link_event(struct fnic *fnic); int fnic_is_abts_pending(struct fnic *, struct scsi_cmnd *); void fnic_handle_fip_frame(struct work_struct *work); void fnic_handle_fip_event(struct fnic *fnic); void fnic_fcoe_reset_vlans(struct fnic *fnic); void fnic_fcoe_evlist_free(struct fnic *fnic); extern void fnic_handle_fip_timer(struct fnic *fnic); static inline int fnic_chk_state_flags_locked(struct fnic *fnic, unsigned long st_flags) { … } void __fnic_set_state_flags(struct fnic *, unsigned long, unsigned long); void fnic_dump_fchost_stats(struct Scsi_Host *, struct fc_host_statistics *); #endif /* _FNIC_H_ */
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