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linux/drivers/scsi/lpfc/lpfc_crtn.h
James Smart ea2151b4e1 [SCSI] lpfc 8.2.8 v2 : Add statistical reporting control and additional fc vendor events 
Added support for new sysfs attributes: lpfc_stat_data_ctrl and
lpfc_max_scsicmpl_time. The attributes control statistical reporting
of io load.

Added support for new fc vendor events for error reporting.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-13 09:28:57 -04:00

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/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of version 2 of the GNU General *
* Public License as published by the Free Software Foundation. *
* This program is distributed in the hope that it will be useful. *
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
* TO BE LEGALLY INVALID. See the GNU General Public License for *
* more details, a copy of which can be found in the file COPYING *
* included with this package. *
*******************************************************************/
typedef int (*node_filter)(struct lpfc_nodelist *, void *);
struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
LPFC_MBOXQ_t *, uint32_t);
void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
void lpfc_cleanup_rpis(struct lpfc_vport *, int);
int lpfc_linkdown(struct lpfc_hba *);
void lpfc_port_link_failure(struct lpfc_vport *);
void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
struct lpfc_nodelist *, int);
void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_set_disctmo(struct lpfc_vport *);
int lpfc_can_disctmo(struct lpfc_vport *);
int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_unreg_all_rpis(struct lpfc_vport *);
void lpfc_unreg_default_rpis(struct lpfc_vport *);
void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *, struct lpfc_nodelist *);
void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
int lpfc_nlp_put(struct lpfc_nodelist *);
int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
void lpfc_disc_list_loopmap(struct lpfc_vport *);
void lpfc_disc_start(struct lpfc_vport *);
void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
void lpfc_cleanup(struct lpfc_vport *);
void lpfc_disc_timeout(unsigned long);
struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
void lpfc_worker_wake_up(struct lpfc_hba *);
int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
int lpfc_do_work(void *);
int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
uint32_t);
void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
struct serv_parm *, uint32_t);
int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
void lpfc_more_plogi(struct lpfc_vport *);
void lpfc_more_adisc(struct lpfc_vport *);
void lpfc_end_rscn(struct lpfc_vport *);
int lpfc_els_chk_latt(struct lpfc_vport *);
int lpfc_els_abort_flogi(struct lpfc_hba *);
int lpfc_initial_flogi(struct lpfc_vport *);
int lpfc_initial_fdisc(struct lpfc_vport *);
int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
struct lpfc_nodelist *, LPFC_MBOXQ_t *);
int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
struct lpfc_nodelist *, LPFC_MBOXQ_t *);
int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
struct lpfc_nodelist *);
int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
struct lpfc_nodelist *);
void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_els_retry_delay(unsigned long);
void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);
int lpfc_els_handle_rscn(struct lpfc_vport *);
void lpfc_els_flush_rscn(struct lpfc_vport *);
int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
void lpfc_els_flush_all_cmd(struct lpfc_hba *);
void lpfc_els_flush_cmd(struct lpfc_vport *);
int lpfc_els_disc_adisc(struct lpfc_vport *);
int lpfc_els_disc_plogi(struct lpfc_vport *);
void lpfc_els_timeout(unsigned long);
void lpfc_els_timeout_handler(struct lpfc_vport *);
void lpfc_hb_timeout_handler(struct lpfc_hba *);
void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);
int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
void lpfc_fdmi_tmo(unsigned long);
void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
int lpfc_config_port_prep(struct lpfc_hba *);
int lpfc_config_port_post(struct lpfc_hba *);
int lpfc_hba_down_prep(struct lpfc_hba *);
int lpfc_hba_down_post(struct lpfc_hba *);
void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int);
void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
int lpfc_online(struct lpfc_hba *);
void lpfc_unblock_mgmt_io(struct lpfc_hba *);
void lpfc_offline_prep(struct lpfc_hba *);
void lpfc_offline(struct lpfc_hba *);
int lpfc_sli_setup(struct lpfc_hba *);
int lpfc_sli_queue_setup(struct lpfc_hba *);
void lpfc_handle_eratt(struct lpfc_hba *);
void lpfc_handle_latt(struct lpfc_hba *);
irqreturn_t lpfc_intr_handler(int, void *);
irqreturn_t lpfc_sp_intr_handler(int, void *);
irqreturn_t lpfc_fp_intr_handler(int, void *);
void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
uint32_t , LPFC_MBOXQ_t *);
struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *);
void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *);
int lpfc_mem_alloc(struct lpfc_hba *);
void lpfc_mem_free(struct lpfc_hba *);
void lpfc_stop_vport_timers(struct lpfc_vport *);
void lpfc_poll_timeout(unsigned long ptr);
void lpfc_poll_start_timer(struct lpfc_hba *);
void lpfc_poll_eratt(unsigned long);
void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
void lpfc_reset_barrier(struct lpfc_hba * phba);
int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
int lpfc_sli_brdkill(struct lpfc_hba *);
int lpfc_sli_brdreset(struct lpfc_hba *);
int lpfc_sli_brdrestart(struct lpfc_hba *);
int lpfc_sli_hba_setup(struct lpfc_hba *);
int lpfc_sli_config_port(struct lpfc_hba *, int);
int lpfc_sli_host_down(struct lpfc_vport *);
int lpfc_sli_hba_down(struct lpfc_hba *);
int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
int lpfc_sli_handle_mb_event(struct lpfc_hba *);
int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
int lpfc_sli_check_eratt(struct lpfc_hba *);
int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
struct lpfc_sli_ring *, uint32_t);
void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *, uint32_t);
void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_dmabuf *);
struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
struct lpfc_sli_ring *,
dma_addr_t);
uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *);
struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *,
struct lpfc_sli_ring *, uint32_t );
int lpfc_sli_hbq_count(void);
int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
int lpfc_sli_hbq_size(void);
int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);
int lpfc_sli_sum_iocb(struct lpfc_vport *, uint16_t, uint64_t, lpfc_ctx_cmd);
int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t,
uint64_t, lpfc_ctx_cmd);
void lpfc_mbox_timeout(unsigned long);
void lpfc_mbox_timeout_handler(struct lpfc_hba *);
struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
struct lpfc_name *);
int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *, struct lpfc_iocbq *,
uint32_t);
void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
/* Function prototypes. */
const char* lpfc_info(struct Scsi_Host *);
int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
void lpfc_get_cfgparam(struct lpfc_hba *);
void lpfc_get_vport_cfgparam(struct lpfc_vport *);
int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
void lpfc_free_sysfs_attr(struct lpfc_vport *);
extern struct device_attribute *lpfc_hba_attrs[];
extern struct device_attribute *lpfc_vport_attrs[];
extern struct scsi_host_template lpfc_template;
extern struct scsi_host_template lpfc_vport_template;
extern struct fc_function_template lpfc_transport_functions;
extern struct fc_function_template lpfc_vport_transport_functions;
extern int lpfc_sli_mode;
extern int lpfc_enable_npiv;
int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
int lpfc_vport_symbolic_port_name(struct lpfc_vport *, char *, size_t);
void lpfc_terminate_rport_io(struct fc_rport *);
void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
void destroy_port(struct lpfc_vport *);
int lpfc_get_instance(void);
void lpfc_host_attrib_init(struct Scsi_Host *);
extern void lpfc_debugfs_initialize(struct lpfc_vport *);
extern void lpfc_debugfs_terminate(struct lpfc_vport *);
extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
uint32_t, uint32_t);
extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
uint32_t, uint32_t);
extern struct lpfc_hbq_init *lpfc_hbq_defs[];
/* Interface exported by fabric iocb scheduler */
void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
void lpfc_fabric_abort_hba(struct lpfc_hba *);
void lpfc_fabric_block_timeout(unsigned long);
void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
void lpfc_adjust_queue_depth(struct lpfc_hba *);
void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
void lpfc_scsi_dev_block(struct lpfc_hba *);
void
lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define HBA_EVENT_RSCN 5
#define HBA_EVENT_LINK_UP 2
#define HBA_EVENT_LINK_DOWN 3
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