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10 #ifndef ZFCP_EXT_H
11 #define ZFCP_EXT_H
12
13 #include <linux/types.h>
14 #include <scsi/fc/fc_els.h>
15 #include "zfcp_def.h"
16 #include "zfcp_fc.h"
17
18
19 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
20 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
21 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
22 u32);
23 extern void zfcp_sg_free_table(struct scatterlist *, int);
24 extern int zfcp_sg_setup_table(struct scatterlist *, int);
25 extern void zfcp_adapter_release(struct kref *);
26 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
27
28
29 extern struct ccw_driver zfcp_ccw_driver;
30 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
31 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
32
33
34 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
35 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
36 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
37 struct zfcp_port *, struct scsi_device *, u8, u8);
38 extern void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter,
39 struct zfcp_port *port,
40 struct scsi_device *sdev, u8 want, u8 need);
41 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
42 extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
43 struct zfcp_erp_action *erp);
44 extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
45 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
46 extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
47 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
48 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
49 extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
50 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
51 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
52 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
53 extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,
54 struct scsi_cmnd *sc,
55 struct zfcp_fsf_req *fsf);
56 extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
57 unsigned int scsi_id, int ret);
58
59
60 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
61 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
62 extern void zfcp_erp_port_forced_no_port_dbf(char *dbftag,
63 struct zfcp_adapter *adapter,
64 u64 port_name, u32 port_id);
65 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
66 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
67 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
68 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
69 extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear,
70 char *dbftag);
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_port_forced_reopen_all(struct zfcp_adapter *adapter,
74 int clear, char *dbftag);
75 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
76 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
77 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
78 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
79 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
80 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
81 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
82 extern void zfcp_erp_wait(struct zfcp_adapter *);
83 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
84 extern void zfcp_erp_timeout_handler(struct timer_list *t);
85 extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter,
86 char *dbftag);
87
88
89 extern struct kmem_cache *zfcp_fc_req_cache;
90 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
91 enum fc_host_event_code event_code, u32);
92 extern void zfcp_fc_post_event(struct work_struct *);
93 extern void zfcp_fc_scan_ports(struct work_struct *);
94 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
95 extern void zfcp_fc_port_did_lookup(struct work_struct *);
96 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
97 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
98 extern void zfcp_fc_test_link(struct zfcp_port *);
99 extern void zfcp_fc_link_test_work(struct work_struct *);
100 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
101 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
102 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
103 extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
104 extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
105 extern void zfcp_fc_sym_name_update(struct work_struct *);
106 extern unsigned int zfcp_fc_port_scan_backoff(void);
107 extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
108 extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
109
110
111 extern struct kmem_cache *zfcp_fsf_qtcb_cache;
112 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
113 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
114 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
115 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
116 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
117 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
118 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
119 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
120 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
121 struct fsf_qtcb_bottom_config *);
122 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
123 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
124 struct fsf_qtcb_bottom_port *);
125 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
126 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
127 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
128 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
129 mempool_t *, unsigned int);
130 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
131 struct zfcp_fsf_ct_els *, unsigned int);
132 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
133 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
134 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,
135 u8 tm_flags);
136 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
137 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
138
139
140 extern int zfcp_qdio_setup(struct zfcp_adapter *);
141 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
142 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
143 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
144 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
145 struct scatterlist *);
146 extern int zfcp_qdio_open(struct zfcp_qdio *);
147 extern void zfcp_qdio_close(struct zfcp_qdio *);
148 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
149
150
151 extern bool zfcp_experimental_dix;
152 extern struct scsi_transport_template *zfcp_scsi_transport_template;
153 extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
154 extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
155 extern struct fc_function_template zfcp_transport_functions;
156 extern void zfcp_scsi_rport_work(struct work_struct *);
157 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
158 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
159 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
160 extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
161 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
162
163
164 extern const struct attribute_group *zfcp_unit_attr_groups[];
165 extern struct attribute_group zfcp_sysfs_adapter_attrs;
166 extern const struct attribute_group *zfcp_port_attr_groups[];
167 extern struct mutex zfcp_sysfs_port_units_mutex;
168 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
169 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
170 bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port);
171
172
173 extern int zfcp_unit_add(struct zfcp_port *, u64);
174 extern int zfcp_unit_remove(struct zfcp_port *, u64);
175 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
176 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
177 extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
178 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
179 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
180
181 #endif