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20#ifndef _FC_LIBFC_H_
21#define _FC_LIBFC_H_
22
23#define FC_LIBFC_LOGGING 0x01
24#define FC_LPORT_LOGGING 0x02
25#define FC_DISC_LOGGING 0x04
26#define FC_RPORT_LOGGING 0x08
27#define FC_FCP_LOGGING 0x10
28#define FC_EM_LOGGING 0x20
29#define FC_EXCH_LOGGING 0x40
30#define FC_SCSI_LOGGING 0x80
31
32extern unsigned int fc_debug_logging;
33
34#define FC_CHECK_LOGGING(LEVEL, CMD) \
35 do { \
36 if (unlikely(fc_debug_logging & LEVEL)) \
37 do { \
38 CMD; \
39 } while (0); \
40 } while (0)
41
42#define FC_LIBFC_DBG(fmt, args...) \
43 FC_CHECK_LOGGING(FC_LIBFC_LOGGING, \
44 pr_info("libfc: " fmt, ##args))
45
46#define FC_LPORT_DBG(lport, fmt, args...) \
47 FC_CHECK_LOGGING(FC_LPORT_LOGGING, \
48 pr_info("host%u: lport %6.6x: " fmt, \
49 (lport)->host->host_no, \
50 (lport)->port_id, ##args))
51
52#define FC_DISC_DBG(disc, fmt, args...) \
53 FC_CHECK_LOGGING(FC_DISC_LOGGING, \
54 pr_info("host%u: disc: " fmt, \
55 fc_disc_lport(disc)->host->host_no, \
56 ##args))
57
58#define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) \
59 FC_CHECK_LOGGING(FC_RPORT_LOGGING, \
60 pr_info("host%u: rport %6.6x: " fmt, \
61 (lport)->host->host_no, \
62 (port_id), ##args))
63
64#define FC_RPORT_DBG(rdata, fmt, args...) \
65 FC_RPORT_ID_DBG((rdata)->local_port, (rdata)->ids.port_id, fmt, ##args)
66
67#define FC_FCP_DBG(pkt, fmt, args...) \
68 FC_CHECK_LOGGING(FC_FCP_LOGGING, \
69 { \
70 if ((pkt)->seq_ptr) { \
71 struct fc_exch *_ep = NULL; \
72 _ep = fc_seq_exch((pkt)->seq_ptr); \
73 pr_info("host%u: fcp: %6.6x: " \
74 "xid %04x-%04x: " fmt, \
75 (pkt)->lp->host->host_no, \
76 (pkt)->rport->port_id, \
77 (_ep)->oxid, (_ep)->rxid, ##args); \
78 } else { \
79 pr_info("host%u: fcp: %6.6x: " fmt, \
80 (pkt)->lp->host->host_no, \
81 (pkt)->rport->port_id, ##args); \
82 } \
83 })
84
85#define FC_EXCH_DBG(exch, fmt, args...) \
86 FC_CHECK_LOGGING(FC_EXCH_LOGGING, \
87 pr_info("host%u: xid %4x: " fmt, \
88 (exch)->lp->host->host_no, \
89 exch->xid, ##args))
90
91#define FC_SCSI_DBG(lport, fmt, args...) \
92 FC_CHECK_LOGGING(FC_SCSI_LOGGING, \
93 pr_info("host%u: scsi: " fmt, \
94 (lport)->host->host_no, ##args))
95
96
97
98
99extern struct fc4_prov *fc_active_prov[];
100extern struct fc4_prov *fc_passive_prov[];
101extern struct mutex fc_prov_mutex;
102
103extern struct fc4_prov fc_rport_t0_prov;
104extern struct fc4_prov fc_lport_els_prov;
105extern struct fc4_prov fc_rport_fcp_init;
106
107
108
109
110void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
111void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp);
112
113
114
115
116int fc_setup_exch_mgr(void);
117void fc_destroy_exch_mgr(void);
118int fc_setup_rport(void);
119void fc_destroy_rport(void);
120int fc_setup_fcp(void);
121void fc_destroy_fcp(void);
122
123
124
125
126const char *fc_els_resp_type(struct fc_frame *);
127extern void fc_fc4_add_lport(struct fc_lport *);
128extern void fc_fc4_del_lport(struct fc_lport *);
129extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type);
130
131
132
133
134u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
135 struct scatterlist *sg,
136 u32 *nents, size_t *offset,
137 u32 *crc);
138
139#endif
140