151 lines
4.4 KiB
C
151 lines
4.4 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 __BFAD_IM_H__
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#define __BFAD_IM_H__
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#include "fcs/bfa_fcs_fcpim.h"
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#include "bfad_im_compat.h"
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#define FCPI_NAME " fcpim"
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void bfad_flags_set(struct bfad_s *bfad, u32 flags);
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bfa_status_t bfad_im_module_init(void);
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void bfad_im_module_exit(void);
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bfa_status_t bfad_im_probe(struct bfad_s *bfad);
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void bfad_im_probe_undo(struct bfad_s *bfad);
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void bfad_im_probe_post(struct bfad_im_s *im);
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bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port);
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void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port);
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void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port);
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void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port);
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void bfad_im_port_clean(struct bfad_im_port_s *im_port);
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int bfad_im_scsi_host_alloc(struct bfad_s *bfad,
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struct bfad_im_port_s *im_port);
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void bfad_im_scsi_host_free(struct bfad_s *bfad,
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struct bfad_im_port_s *im_port);
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#define MAX_FCP_TARGET 1024
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#define MAX_FCP_LUN 16384
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#define BFAD_TARGET_RESET_TMO 60
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#define BFAD_LUN_RESET_TMO 60
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#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
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#define BFA_QUEUE_FULL_RAMP_UP_TIME 120
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#define BFAD_KOBJ_NAME_LEN 20
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/*
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* itnim flags
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*/
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#define ITNIM_MAPPED 0x00000001
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#define SCSI_TASK_MGMT 0x00000001
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#define IO_DONE_BIT 0
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struct bfad_itnim_data_s {
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struct bfad_itnim_s *itnim;
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};
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struct bfad_im_port_s {
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struct bfad_s *bfad;
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struct bfad_port_s *port;
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struct work_struct port_delete_work;
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int idr_id;
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u16 cur_scsi_id;
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struct list_head binding_list;
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struct Scsi_Host *shost;
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struct list_head itnim_mapped_list;
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};
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enum bfad_itnim_state {
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ITNIM_STATE_NONE,
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ITNIM_STATE_ONLINE,
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ITNIM_STATE_OFFLINE_PENDING,
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ITNIM_STATE_OFFLINE,
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ITNIM_STATE_TIMEOUT,
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ITNIM_STATE_FREE,
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};
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/*
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* Per itnim data structure
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*/
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struct bfad_itnim_s {
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struct list_head list_entry;
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struct bfa_fcs_itnim_s fcs_itnim;
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struct work_struct itnim_work;
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u32 flags;
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enum bfad_itnim_state state;
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struct bfad_im_s *im;
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struct bfad_im_port_s *im_port;
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struct bfad_rport_s *drv_rport;
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struct fc_rport *fc_rport;
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struct bfa_itnim_s *bfa_itnim;
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u16 scsi_tgt_id;
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u16 queue_work;
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unsigned long last_ramp_up_time;
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unsigned long last_queue_full_time;
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};
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enum bfad_binding_type {
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FCP_PWWN_BINDING = 0x1,
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FCP_NWWN_BINDING = 0x2,
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FCP_FCID_BINDING = 0x3,
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};
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struct bfad_fcp_binding {
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struct list_head list_entry;
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enum bfad_binding_type binding_type;
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u16 scsi_target_id;
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u32 fc_id;
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wwn_t nwwn;
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wwn_t pwwn;
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};
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struct bfad_im_s {
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struct bfad_s *bfad;
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struct workqueue_struct *drv_workq;
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char drv_workq_name[BFAD_KOBJ_NAME_LEN];
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};
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struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port,
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struct bfad_s *);
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bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad);
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void bfad_os_destroy_workq(struct bfad_im_s *im);
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void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv);
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void bfad_os_fc_host_init(struct bfad_im_port_s *im_port);
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void bfad_os_init_work(struct bfad_im_port_s *im_port);
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void bfad_os_scsi_host_free(struct bfad_s *bfad,
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struct bfad_im_port_s *im_port);
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void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim,
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struct scsi_device *sdev);
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void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev);
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struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id);
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int bfad_os_scsi_add_host(struct Scsi_Host *shost,
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struct bfad_im_port_s *im_port, struct bfad_s *bfad);
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/*
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* scsi_host_template entries
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*/
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void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port,
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struct bfad_itnim_s *itnim);
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extern struct scsi_host_template bfad_im_scsi_host_template;
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extern struct scsi_host_template bfad_im_vport_template;
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extern struct fc_function_template bfad_im_fc_function_template;
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extern struct scsi_transport_template *bfad_im_scsi_transport_template;
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#endif
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