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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * zfcp device driver
4 *
5 * External function declarations.
6 *
7 * Copyright IBM Corp. 2002, 2020
8 */
9
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/* zfcp_aux.c */
19extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
20extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
21extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
22 u32);
23extern void zfcp_sg_free_table(struct scatterlist *, int);
24extern int zfcp_sg_setup_table(struct scatterlist *, int);
25extern void zfcp_adapter_release(struct kref *);
26extern void zfcp_adapter_unregister(struct zfcp_adapter *);
27
28/* zfcp_ccw.c */
29extern struct ccw_driver zfcp_ccw_driver;
30extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
31extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
32
33/* zfcp_dbf.c */
34extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
35extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
36extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
37 struct zfcp_port *, struct scsi_device *, u8, u8);
38extern 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);
41extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
42extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
43 struct zfcp_erp_action *erp);
44extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
45extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
46extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
47extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req,
48 u64 wwpn, u32 fc_security_old,
49 u32 fc_security_new);
50extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
51extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
52extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
53extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
54extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
55extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
56extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,
57 struct scsi_cmnd *sc,
58 struct zfcp_fsf_req *fsf);
59extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
60 unsigned int scsi_id, int ret);
61
62/* zfcp_erp.c */
63extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
64extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
65extern void zfcp_erp_port_forced_no_port_dbf(char *dbftag,
66 struct zfcp_adapter *adapter,
67 u64 port_name, u32 port_id);
68extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
69extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
70extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
71extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
72extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear,
73 char *dbftag);
74extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
75extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
76extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
77 int clear, char *dbftag);
78extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
79extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
80extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
81extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
82extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
83extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
84extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
85extern void zfcp_erp_wait(struct zfcp_adapter *);
86extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
87extern void zfcp_erp_timeout_handler(struct timer_list *t);
88extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter,
89 char *dbftag);
90
91/* zfcp_fc.c */
92extern struct kmem_cache *zfcp_fc_req_cache;
93extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
94 enum fc_host_event_code event_code, u32);
95extern void zfcp_fc_post_event(struct work_struct *);
96extern void zfcp_fc_scan_ports(struct work_struct *);
97extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
98extern void zfcp_fc_port_did_lookup(struct work_struct *);
99extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
100extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
101extern void zfcp_fc_test_link(struct zfcp_port *);
102extern void zfcp_fc_link_test_work(struct work_struct *);
103extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
104extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
105extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
106extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
107extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
108extern void zfcp_fc_sym_name_update(struct work_struct *);
109extern unsigned int zfcp_fc_port_scan_backoff(void);
110extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
111extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
112
113/* zfcp_fsf.c */
114extern struct kmem_cache *zfcp_fsf_qtcb_cache;
115extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
116extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
117extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
118extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
119extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
120extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
121extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
122extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
123extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
124 struct fsf_qtcb_bottom_config *);
125extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
126extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
127 struct fsf_qtcb_bottom_port *);
128extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed);
129extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
130extern int zfcp_fsf_status_read(struct zfcp_qdio *);
131extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
132extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
133 mempool_t *, unsigned int);
134extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
135 struct zfcp_fsf_ct_els *, unsigned int);
136extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
137extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
138extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter);
139extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,
140 u8 tm_flags);
141extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
142extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
143enum zfcp_fsf_print_fmt {
144 ZFCP_FSF_PRINT_FMT_LIST,
145 ZFCP_FSF_PRINT_FMT_SINGLEITEM,
146};
147extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size,
148 u32 fc_security,
149 enum zfcp_fsf_print_fmt fmt);
150
151/* zfcp_qdio.c */
152extern int zfcp_qdio_setup(struct zfcp_adapter *);
153extern void zfcp_qdio_destroy(struct zfcp_qdio *);
154extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
155extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
156extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
157 struct scatterlist *);
158extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,
159 const struct zfcp_qdio *const qdio);
160extern int zfcp_qdio_open(struct zfcp_qdio *);
161extern void zfcp_qdio_close(struct zfcp_qdio *);
162extern void zfcp_qdio_siosl(struct zfcp_adapter *);
163
164/* zfcp_scsi.c */
165extern bool zfcp_experimental_dix;
166extern struct scsi_transport_template *zfcp_scsi_transport_template;
167extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
168extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
169extern struct fc_function_template zfcp_transport_functions;
170extern void zfcp_scsi_rport_work(struct work_struct *);
171extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
172extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
173extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
174extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
175extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
176extern void zfcp_scsi_shost_update_config_data(
177 struct zfcp_adapter *const adapter,
178 const struct fsf_qtcb_bottom_config *const bottom,
179 const bool bottom_incomplete);
180extern void zfcp_scsi_shost_update_port_data(
181 struct zfcp_adapter *const adapter,
182 const struct fsf_qtcb_bottom_port *const bottom);
183
184/* zfcp_sysfs.c */
185extern const struct attribute_group *zfcp_unit_attr_groups[];
186extern struct attribute_group zfcp_sysfs_adapter_attrs;
187extern const struct attribute_group *zfcp_port_attr_groups[];
188extern struct mutex zfcp_sysfs_port_units_mutex;
189extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
190extern struct device_attribute *zfcp_sysfs_shost_attrs[];
191extern const struct attribute_group zfcp_sysfs_diag_attr_group;
192bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port);
193
194/* zfcp_unit.c */
195extern int zfcp_unit_add(struct zfcp_port *, u64);
196extern int zfcp_unit_remove(struct zfcp_port *, u64);
197extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
198extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
199extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
200extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
201extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
202
203#endif /* ZFCP_EXT_H */
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 */
20extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
21extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
22extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
23 u32);
24extern void zfcp_adapter_release(struct kref *);
25extern void zfcp_adapter_unregister(struct zfcp_adapter *);
26
27/* zfcp_ccw.c */
28extern struct ccw_driver zfcp_ccw_driver;
29extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
30extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
31
32/* zfcp_dbf.c */
33extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
34extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
35extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
36 struct zfcp_port *, struct scsi_device *, u8, u8);
37extern 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);
40extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
41extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
42 struct zfcp_erp_action *erp);
43extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
44extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
45extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
46extern 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);
49extern void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level,
50 struct zfcp_adapter *const adapter,
51 const u64 req_id);
52extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
53extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
54extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
55extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
56extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
57extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,
58 struct scsi_cmnd *sc,
59 struct zfcp_fsf_req *fsf);
60extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
61 unsigned int scsi_id, int ret);
62
63/* zfcp_erp.c */
64extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
65extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
66extern void zfcp_erp_port_forced_no_port_dbf(char *dbftag,
67 struct zfcp_adapter *adapter,
68 u64 port_name, u32 port_id);
69extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
70extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
71extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
72extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
73extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear,
74 char *dbftag);
75extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
76extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
77extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
78 int clear, char *dbftag);
79extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
80extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
81extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
82extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
83extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
84extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
85extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
86extern void zfcp_erp_wait(struct zfcp_adapter *);
87extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
88extern void zfcp_erp_timeout_handler(struct timer_list *t);
89extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter,
90 char *dbftag);
91
92/* zfcp_fc.c */
93extern struct kmem_cache *zfcp_fc_req_cache;
94extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
95 enum fc_host_event_code event_code, u32);
96extern void zfcp_fc_post_event(struct work_struct *);
97extern void zfcp_fc_scan_ports(struct work_struct *);
98extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
99extern void zfcp_fc_port_did_lookup(struct work_struct *);
100extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
101extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
102extern void zfcp_fc_test_link(struct zfcp_port *);
103extern void zfcp_fc_link_test_work(struct work_struct *);
104extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
105extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
106extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
107extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
108extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
109extern void zfcp_fc_sym_name_update(struct work_struct *);
110extern unsigned int zfcp_fc_port_scan_backoff(void);
111extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
112extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
113
114/* zfcp_fsf.c */
115extern struct kmem_cache *zfcp_fsf_qtcb_cache;
116extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
117extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
118extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
119extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
120extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
121extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
122extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
123extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
124extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
125 struct fsf_qtcb_bottom_config *);
126extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
127extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
128 struct fsf_qtcb_bottom_port *);
129extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed);
130extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
131extern int zfcp_fsf_status_read(struct zfcp_qdio *);
132extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
133extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
134 mempool_t *, unsigned int);
135extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
136 struct zfcp_fsf_ct_els *, unsigned int);
137extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
138extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
139extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter);
140extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,
141 u8 tm_flags);
142extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
143extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
144enum zfcp_fsf_print_fmt {
145 ZFCP_FSF_PRINT_FMT_LIST,
146 ZFCP_FSF_PRINT_FMT_SINGLEITEM,
147};
148extern 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 */
153extern int zfcp_qdio_setup(struct zfcp_adapter *);
154extern void zfcp_qdio_destroy(struct zfcp_qdio *);
155extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
156extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
157extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
158 struct scatterlist *);
159extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,
160 const struct zfcp_qdio *const qdio);
161extern int zfcp_qdio_open(struct zfcp_qdio *);
162extern void zfcp_qdio_close(struct zfcp_qdio *);
163extern void zfcp_qdio_siosl(struct zfcp_adapter *);
164
165/* zfcp_scsi.c */
166extern bool zfcp_experimental_dix;
167extern struct scsi_transport_template *zfcp_scsi_transport_template;
168extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
169extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
170extern struct fc_function_template zfcp_transport_functions;
171extern void zfcp_scsi_rport_work(struct work_struct *);
172extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
173extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
174extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
175extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
176extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
177extern 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);
181extern 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 */
186extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[];
187extern const struct attribute_group *zfcp_unit_attr_groups[];
188extern const struct attribute_group *zfcp_port_attr_groups[];
189extern struct mutex zfcp_sysfs_port_units_mutex;
190extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[];
191extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[];
192bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port);
193
194/* zfcp_unit.c */
195extern int zfcp_unit_add(struct zfcp_port *, u64);
196extern int zfcp_unit_remove(struct zfcp_port *, u64);
197extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
198extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
199extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
200extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
201extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
202
203#endif /* ZFCP_EXT_H */