xref: /openbmc/linux/drivers/s390/scsi/zfcp_ext.h (revision f7c35abe)
1 /*
2  * zfcp device driver
3  *
4  * External function declarations.
5  *
6  * Copyright IBM Corp. 2002, 2016
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_adapter_release(struct kref *);
25 extern void zfcp_adapter_unregister(struct zfcp_adapter *);
26 
27 /* zfcp_ccw.c */
28 extern struct ccw_driver zfcp_ccw_driver;
29 extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
30 extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
31 
32 /* zfcp_dbf.c */
33 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
34 extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
35 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
36 			      struct zfcp_port *, struct scsi_device *, u8, u8);
37 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
38 extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
39 				 struct zfcp_erp_action *erp);
40 extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
41 extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
42 extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
43 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
44 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
45 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
46 extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
47 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
48 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
49 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
50 extern void zfcp_dbf_scsi(char *, int, struct scsi_cmnd *,
51 			  struct zfcp_fsf_req *);
52 
53 /* zfcp_erp.c */
54 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
55 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
56 extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
57 extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
58 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
59 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
60 extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
61 extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
62 extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
63 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
64 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
65 extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
66 extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
67 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
68 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
69 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
70 extern void zfcp_erp_wait(struct zfcp_adapter *);
71 extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
72 extern void zfcp_erp_timeout_handler(unsigned long);
73 
74 /* zfcp_fc.c */
75 extern struct kmem_cache *zfcp_fc_req_cache;
76 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
77 				enum fc_host_event_code event_code, u32);
78 extern void zfcp_fc_post_event(struct work_struct *);
79 extern void zfcp_fc_scan_ports(struct work_struct *);
80 extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
81 extern void zfcp_fc_port_did_lookup(struct work_struct *);
82 extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
83 extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
84 extern void zfcp_fc_test_link(struct zfcp_port *);
85 extern void zfcp_fc_link_test_work(struct work_struct *);
86 extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
87 extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
88 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
89 extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
90 extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
91 extern void zfcp_fc_sym_name_update(struct work_struct *);
92 extern unsigned int zfcp_fc_port_scan_backoff(void);
93 extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
94 extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
95 
96 /* zfcp_fsf.c */
97 extern struct kmem_cache *zfcp_fsf_qtcb_cache;
98 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
99 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
100 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
101 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
102 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
103 extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
104 extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
105 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
106 extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
107 					      struct fsf_qtcb_bottom_config *);
108 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
109 extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
110 					    struct fsf_qtcb_bottom_port *);
111 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
112 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
113 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
114 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
115 			    mempool_t *, unsigned int);
116 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
117 			     struct zfcp_fsf_ct_els *, unsigned int);
118 extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
119 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
120 extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
121 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
122 extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
123 
124 /* zfcp_qdio.c */
125 extern int zfcp_qdio_setup(struct zfcp_adapter *);
126 extern void zfcp_qdio_destroy(struct zfcp_qdio *);
127 extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
128 extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
129 extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
130 				   struct scatterlist *);
131 extern int zfcp_qdio_open(struct zfcp_qdio *);
132 extern void zfcp_qdio_close(struct zfcp_qdio *);
133 extern void zfcp_qdio_siosl(struct zfcp_adapter *);
134 
135 /* zfcp_scsi.c */
136 extern struct scsi_transport_template *zfcp_scsi_transport_template;
137 extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
138 extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
139 extern struct fc_function_template zfcp_transport_functions;
140 extern void zfcp_scsi_rport_work(struct work_struct *);
141 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
142 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
143 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
144 extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
145 extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
146 
147 /* zfcp_sysfs.c */
148 extern const struct attribute_group *zfcp_unit_attr_groups[];
149 extern struct attribute_group zfcp_sysfs_adapter_attrs;
150 extern const struct attribute_group *zfcp_port_attr_groups[];
151 extern struct mutex zfcp_sysfs_port_units_mutex;
152 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
153 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
154 
155 /* zfcp_unit.c */
156 extern int zfcp_unit_add(struct zfcp_port *, u64);
157 extern int zfcp_unit_remove(struct zfcp_port *, u64);
158 extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
159 extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
160 extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
161 extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
162 extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
163 
164 #endif	/* ZFCP_EXT_H */
165