1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * zfcp device driver |
4 | * |
5 | * External function declarations. |
6 | * |
7 | * Copyright IBM Corp. 2002, 2023 |
8 | */ |
9 | |
10 | #ifndef ZFCP_EXT_H |
11 | #define ZFCP_EXT_H |
12 | |
13 | #include <linux/types.h> |
14 | #include <linux/sysfs.h> |
15 | #include <scsi/fc/fc_els.h> |
16 | #include "zfcp_def.h" |
17 | #include "zfcp_fc.h" |
18 | |
19 | /* zfcp_aux.c */ |
20 | extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); |
21 | extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); |
22 | extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, |
23 | u32); |
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_trig_lock(char *tag, struct zfcp_adapter *adapter, |
38 | struct zfcp_port *port, |
39 | struct scsi_device *sdev, u8 want, u8 need); |
40 | extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); |
41 | extern void zfcp_dbf_rec_run_lvl(int level, char *tag, |
42 | struct zfcp_erp_action *erp); |
43 | extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64); |
44 | extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); |
45 | extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); |
46 | extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, |
47 | u64 wwpn, u32 fc_security_old, |
48 | u32 fc_security_new); |
49 | extern void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level, |
50 | struct zfcp_adapter *const adapter, |
51 | const u64 req_id); |
52 | extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); |
53 | extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); |
54 | extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); |
55 | extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); |
56 | extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); |
57 | extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev, |
58 | struct scsi_cmnd *sc, |
59 | struct zfcp_fsf_req *fsf); |
60 | extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter, |
61 | unsigned int scsi_id, int ret); |
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_port_forced_no_port_dbf(char *dbftag, |
67 | struct zfcp_adapter *adapter, |
68 | u64 port_name, u32 port_id); |
69 | extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); |
70 | extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); |
71 | extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); |
72 | extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); |
73 | extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, |
74 | char *dbftag); |
75 | extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); |
76 | extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); |
77 | extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, |
78 | int clear, char *dbftag); |
79 | extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); |
80 | extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); |
81 | extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); |
82 | extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); |
83 | extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); |
84 | extern int zfcp_erp_thread_setup(struct zfcp_adapter *); |
85 | extern void zfcp_erp_thread_kill(struct zfcp_adapter *); |
86 | extern void zfcp_erp_wait(struct zfcp_adapter *); |
87 | extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); |
88 | extern void zfcp_erp_timeout_handler(struct timer_list *t); |
89 | extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter, |
90 | char *dbftag); |
91 | |
92 | /* zfcp_fc.c */ |
93 | extern struct kmem_cache *zfcp_fc_req_cache; |
94 | extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, |
95 | enum fc_host_event_code event_code, u32); |
96 | extern void zfcp_fc_post_event(struct work_struct *); |
97 | extern void zfcp_fc_scan_ports(struct work_struct *); |
98 | extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); |
99 | extern void zfcp_fc_port_did_lookup(struct work_struct *); |
100 | extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); |
101 | extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); |
102 | extern void zfcp_fc_test_link(struct zfcp_port *); |
103 | extern void zfcp_fc_link_test_work(struct work_struct *); |
104 | extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); |
105 | extern int zfcp_fc_gs_setup(struct zfcp_adapter *); |
106 | extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); |
107 | extern int zfcp_fc_exec_bsg_job(struct bsg_job *); |
108 | extern int zfcp_fc_timeout_bsg_job(struct bsg_job *); |
109 | extern void zfcp_fc_sym_name_update(struct work_struct *); |
110 | extern unsigned int zfcp_fc_port_scan_backoff(void); |
111 | extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); |
112 | extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); |
113 | |
114 | /* zfcp_fsf.c */ |
115 | extern struct kmem_cache *zfcp_fsf_qtcb_cache; |
116 | extern int zfcp_fsf_open_port(struct zfcp_erp_action *); |
117 | extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); |
118 | extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); |
119 | extern int zfcp_fsf_close_port(struct zfcp_erp_action *); |
120 | extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); |
121 | extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); |
122 | extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); |
123 | extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); |
124 | extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, |
125 | struct fsf_qtcb_bottom_config *); |
126 | extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); |
127 | extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, |
128 | struct fsf_qtcb_bottom_port *); |
129 | extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed); |
130 | extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); |
131 | extern int zfcp_fsf_status_read(struct zfcp_qdio *); |
132 | extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); |
133 | extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, |
134 | mempool_t *, unsigned int); |
135 | extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, |
136 | struct zfcp_fsf_ct_els *, unsigned int); |
137 | extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); |
138 | extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); |
139 | extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter); |
140 | extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev, |
141 | u8 tm_flags); |
142 | extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); |
143 | extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); |
144 | enum zfcp_fsf_print_fmt { |
145 | ZFCP_FSF_PRINT_FMT_LIST, |
146 | ZFCP_FSF_PRINT_FMT_SINGLEITEM, |
147 | }; |
148 | extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size, |
149 | u32 fc_security, |
150 | enum zfcp_fsf_print_fmt fmt); |
151 | |
152 | /* zfcp_qdio.c */ |
153 | extern int zfcp_qdio_setup(struct zfcp_adapter *); |
154 | extern void zfcp_qdio_destroy(struct zfcp_qdio *); |
155 | extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); |
156 | extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); |
157 | extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, |
158 | struct scatterlist *); |
159 | extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter, |
160 | const struct zfcp_qdio *const qdio); |
161 | extern int zfcp_qdio_open(struct zfcp_qdio *); |
162 | extern void zfcp_qdio_close(struct zfcp_qdio *); |
163 | extern void zfcp_qdio_siosl(struct zfcp_adapter *); |
164 | |
165 | /* zfcp_scsi.c */ |
166 | extern bool zfcp_experimental_dix; |
167 | extern struct scsi_transport_template *zfcp_scsi_transport_template; |
168 | extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); |
169 | extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); |
170 | extern struct fc_function_template zfcp_transport_functions; |
171 | extern void zfcp_scsi_rport_work(struct work_struct *); |
172 | extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); |
173 | extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); |
174 | extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); |
175 | extern void zfcp_scsi_set_prot(struct zfcp_adapter *); |
176 | extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); |
177 | extern void zfcp_scsi_shost_update_config_data( |
178 | struct zfcp_adapter *const adapter, |
179 | const struct fsf_qtcb_bottom_config *const bottom, |
180 | const bool bottom_incomplete); |
181 | extern void zfcp_scsi_shost_update_port_data( |
182 | struct zfcp_adapter *const adapter, |
183 | const struct fsf_qtcb_bottom_port *const bottom); |
184 | |
185 | /* zfcp_sysfs.c */ |
186 | extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[]; |
187 | extern const struct attribute_group *zfcp_unit_attr_groups[]; |
188 | extern const struct attribute_group *zfcp_port_attr_groups[]; |
189 | extern struct mutex zfcp_sysfs_port_units_mutex; |
190 | extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[]; |
191 | extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[]; |
192 | bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port); |
193 | |
194 | /* zfcp_unit.c */ |
195 | extern int zfcp_unit_add(struct zfcp_port *, u64); |
196 | extern int zfcp_unit_remove(struct zfcp_port *, u64); |
197 | extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); |
198 | extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); |
199 | extern void zfcp_unit_scsi_scan(struct zfcp_unit *); |
200 | extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); |
201 | extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); |
202 | |
203 | #endif /* ZFCP_EXT_H */ |
204 | |