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8 #ifndef _FC_LIBFC_H_
9 #define _FC_LIBFC_H_
10
11 #define FC_LIBFC_LOGGING 0x01
12 #define FC_LPORT_LOGGING 0x02
13 #define FC_DISC_LOGGING 0x04
14 #define FC_RPORT_LOGGING 0x08
15 #define FC_FCP_LOGGING 0x10
16 #define FC_EM_LOGGING 0x20
17 #define FC_EXCH_LOGGING 0x40
18 #define FC_SCSI_LOGGING 0x80
19
20 extern unsigned int fc_debug_logging;
21
22 #define FC_CHECK_LOGGING(LEVEL, CMD) \
23 do { \
24 if (unlikely(fc_debug_logging & LEVEL)) \
25 do { \
26 CMD; \
27 } while (0); \
28 } while (0)
29
30 #define FC_LIBFC_DBG(fmt, args...) \
31 FC_CHECK_LOGGING(FC_LIBFC_LOGGING, \
32 pr_info("libfc: " fmt, ##args))
33
34 #define FC_LPORT_DBG(lport, fmt, args...) \
35 FC_CHECK_LOGGING(FC_LPORT_LOGGING, \
36 pr_info("host%u: lport %6.6x: " fmt, \
37 (lport)->host->host_no, \
38 (lport)->port_id, ##args))
39
40 #define FC_DISC_DBG(disc, fmt, args...) \
41 FC_CHECK_LOGGING(FC_DISC_LOGGING, \
42 pr_info("host%u: disc: " fmt, \
43 fc_disc_lport(disc)->host->host_no, \
44 ##args))
45
46 #define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) \
47 FC_CHECK_LOGGING(FC_RPORT_LOGGING, \
48 pr_info("host%u: rport %6.6x: " fmt, \
49 (lport)->host->host_no, \
50 (port_id), ##args))
51
52 #define FC_RPORT_DBG(rdata, fmt, args...) \
53 FC_RPORT_ID_DBG((rdata)->local_port, (rdata)->ids.port_id, fmt, ##args)
54
55 #define FC_FCP_DBG(pkt, fmt, args...) \
56 FC_CHECK_LOGGING(FC_FCP_LOGGING, \
57 { \
58 if ((pkt)->seq_ptr) { \
59 struct fc_exch *_ep = NULL; \
60 _ep = fc_seq_exch((pkt)->seq_ptr); \
61 pr_info("host%u: fcp: %6.6x: " \
62 "xid %04x-%04x: " fmt, \
63 (pkt)->lp->host->host_no, \
64 (pkt)->rport->port_id, \
65 (_ep)->oxid, (_ep)->rxid, ##args); \
66 } else { \
67 pr_info("host%u: fcp: %6.6x: " fmt, \
68 (pkt)->lp->host->host_no, \
69 (pkt)->rport->port_id, ##args); \
70 } \
71 })
72
73 #define FC_EXCH_DBG(exch, fmt, args...) \
74 FC_CHECK_LOGGING(FC_EXCH_LOGGING, \
75 pr_info("host%u: xid %4x: " fmt, \
76 (exch)->lp->host->host_no, \
77 exch->xid, ##args))
78
79 #define FC_SCSI_DBG(lport, fmt, args...) \
80 FC_CHECK_LOGGING(FC_SCSI_LOGGING, \
81 pr_info("host%u: scsi: " fmt, \
82 (lport)->host->host_no, ##args))
83
84
85
86
87 extern struct fc4_prov *fc_active_prov[];
88 extern struct fc4_prov *fc_passive_prov[];
89 extern struct mutex fc_prov_mutex;
90
91 extern struct fc4_prov fc_rport_t0_prov;
92 extern struct fc4_prov fc_lport_els_prov;
93 extern struct fc4_prov fc_rport_fcp_init;
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98 void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
99 void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp);
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103
104 int fc_setup_exch_mgr(void);
105 void fc_destroy_exch_mgr(void);
106 int fc_setup_rport(void);
107 void fc_destroy_rport(void);
108 int fc_setup_fcp(void);
109 void fc_destroy_fcp(void);
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113
114 const char *fc_els_resp_type(struct fc_frame *);
115 extern void fc_fc4_add_lport(struct fc_lport *);
116 extern void fc_fc4_del_lport(struct fc_lport *);
117 extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type);
118
119
120
121
122 u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
123 struct scatterlist *sg,
124 u32 *nents, size_t *offset,
125 u32 *crc);
126
127 #endif