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zfcp_ext.h
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1 /*
2  * zfcp device driver
3  *
4  * External function declarations.
5  *
6  * Copyright IBM Corp. 2002, 2010
7  */
8 
9 #ifndef ZFCP_EXT_H
10 #define ZFCP_EXT_H
11 
12 #include <linux/types.h>
13 #include <scsi/fc/fc_els.h>
14 #include "zfcp_def.h"
15 #include "zfcp_fc.h"
16 
17 /* zfcp_aux.c */
18 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
19 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
20 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
21  u32);
22 extern void zfcp_sg_free_table(struct scatterlist *, int);
23 extern int zfcp_sg_setup_table(struct scatterlist *, int);
24 extern void zfcp_device_unregister(struct device *,
25  const struct attribute_group *);
26 extern void zfcp_adapter_release(struct kref *);
27 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
28 
29 /* zfcp_ccw.c */
30 extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
31 extern struct ccw_driver zfcp_ccw_driver;
32 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
33 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
34 
35 /* zfcp_cfdc.c */
36 extern struct miscdevice zfcp_cfdc_misc;
37 extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *);
38 extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *);
39 extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *,
40  union fsf_status_qual *);
41 extern int zfcp_cfdc_open_lun_eval(struct scsi_device *,
42  struct fsf_qtcb_bottom_support *);
43 extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *);
44 
45 
46 /* zfcp_dbf.c */
47 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
48 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
49 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
50  struct zfcp_port *, struct scsi_device *, u8, u8);
51 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
52 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
53 extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
54 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
55 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
56 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
57 extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
58 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
59 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
60 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
61 extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *);
62 
63 /* zfcp_erp.c */
64 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
65 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
66 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
67 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
68 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
69 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
70 extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
71 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
72 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
73 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
74 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
75 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
76 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
77 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
78 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
79 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
80 extern void zfcp_erp_wait(struct zfcp_adapter *);
81 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
82 extern void zfcp_erp_timeout_handler(unsigned long);
83 
84 /* zfcp_fc.c */
85 extern struct kmem_cache *zfcp_fc_req_cache;
86 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
87  enum fc_host_event_code event_code, u32);
88 extern void zfcp_fc_post_event(struct work_struct *);
89 extern void zfcp_fc_scan_ports(struct work_struct *);
90 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
91 extern void zfcp_fc_port_did_lookup(struct work_struct *);
92 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
93 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
94 extern void zfcp_fc_test_link(struct zfcp_port *);
95 extern void zfcp_fc_link_test_work(struct work_struct *);
96 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
97 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
98 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
99 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
100 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
101 extern void zfcp_fc_sym_name_update(struct work_struct *);
102 extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
103 extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
104 
105 /* zfcp_fsf.c */
106 extern struct kmem_cache *zfcp_fsf_qtcb_cache;
107 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
108 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
109 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
110 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
111 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
112 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
113 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
114 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
115 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
116  struct fsf_qtcb_bottom_config *);
117 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
118 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
119  struct fsf_qtcb_bottom_port *);
120 extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
121  struct zfcp_fsf_cfdc *);
122 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
123 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
124 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
125 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
126  mempool_t *, unsigned int);
127 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
128  struct zfcp_fsf_ct_els *, unsigned int);
129 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
130 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
131 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
132 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
133 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
134 
135 /* zfcp_qdio.c */
136 extern int zfcp_qdio_setup(struct zfcp_adapter *);
137 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
138 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
139 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
140 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
141  struct scatterlist *);
142 extern int zfcp_qdio_open(struct zfcp_qdio *);
143 extern void zfcp_qdio_close(struct zfcp_qdio *);
144 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
145 extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *,
146  struct qdio_buffer *);
147 
148 /* zfcp_scsi.c */
149 extern struct scsi_transport_template *zfcp_scsi_transport_template;
150 extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
151 extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
152 extern struct fc_function_template zfcp_transport_functions;
153 extern void zfcp_scsi_rport_work(struct work_struct *);
154 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
155 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
156 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
157 extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
158 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
159 
160 /* zfcp_sysfs.c */
161 extern struct attribute_group zfcp_sysfs_unit_attrs;
162 extern struct attribute_group zfcp_sysfs_adapter_attrs;
163 extern struct attribute_group zfcp_sysfs_port_attrs;
164 extern struct mutex zfcp_sysfs_port_units_mutex;
165 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
166 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
167 
168 /* zfcp_unit.c */
169 extern int zfcp_unit_add(struct zfcp_port *, u64);
170 extern int zfcp_unit_remove(struct zfcp_port *, u64);
171 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
172 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
173 extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
174 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
175 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
176 
177 #endif /* ZFCP_EXT_H */
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