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1 | /* |
2 | * Copyright(c) 2009 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | * | |
17 | * Maintained at www.Open-FCoE.org | |
18 | */ | |
19 | ||
20 | #ifndef _FC_LIBFC_H_ | |
21 | #define _FC_LIBFC_H_ | |
22 | ||
23 | #define FC_LIBFC_LOGGING 0x01 /* General logging, not categorized */ | |
24 | #define FC_LPORT_LOGGING 0x02 /* lport layer logging */ | |
3a3b42bf | 25 | #define FC_DISC_LOGGING 0x04 /* discovery layer logging */ |
8866a5d9 | 26 | #define FC_RPORT_LOGGING 0x08 /* rport layer logging */ |
3a3b42bf RL |
27 | #define FC_FCP_LOGGING 0x10 /* I/O path logging */ |
28 | #define FC_EM_LOGGING 0x20 /* Exchange Manager logging */ | |
29 | #define FC_EXCH_LOGGING 0x40 /* Exchange/Sequence logging */ | |
30 | #define FC_SCSI_LOGGING 0x80 /* SCSI logging (mostly error handling) */ | |
8866a5d9 RL |
31 | |
32 | extern unsigned int fc_debug_logging; | |
33 | ||
3a3b42bf RL |
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) | |
8866a5d9 RL |
41 | |
42 | #define FC_LIBFC_DBG(fmt, args...) \ | |
43 | FC_CHECK_LOGGING(FC_LIBFC_LOGGING, \ | |
44 | printk(KERN_INFO "libfc: " fmt, ##args)) | |
45 | ||
46 | #define FC_LPORT_DBG(lport, fmt, args...) \ | |
47 | FC_CHECK_LOGGING(FC_LPORT_LOGGING, \ | |
ce8b5df0 | 48 | printk(KERN_INFO "host%u: lport %6.6x: " fmt, \ |
8866a5d9 RL |
49 | (lport)->host->host_no, \ |
50 | fc_host_port_id((lport)->host), ##args)) | |
51 | ||
3a3b42bf RL |
52 | #define FC_DISC_DBG(disc, fmt, args...) \ |
53 | FC_CHECK_LOGGING(FC_DISC_LOGGING, \ | |
54 | printk(KERN_INFO "host%u: disc: " fmt, \ | |
55 | (disc)->lport->host->host_no, \ | |
8866a5d9 RL |
56 | ##args)) |
57 | ||
58 | #define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) \ | |
59 | FC_CHECK_LOGGING(FC_RPORT_LOGGING, \ | |
ce8b5df0 | 60 | printk(KERN_INFO "host%u: rport %6.6x: " fmt, \ |
8866a5d9 RL |
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, \ | |
ce8b5df0 | 69 | printk(KERN_INFO "host%u: fcp: %6.6x: " fmt, \ |
8866a5d9 RL |
70 | (pkt)->lp->host->host_no, \ |
71 | pkt->rport->port_id, ##args)) | |
72 | ||
73 | #define FC_EXCH_DBG(exch, fmt, args...) \ | |
74 | FC_CHECK_LOGGING(FC_EXCH_LOGGING, \ | |
75 | printk(KERN_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...) \ | |
3a3b42bf | 80 | FC_CHECK_LOGGING(FC_SCSI_LOGGING, \ |
8866a5d9 RL |
81 | printk(KERN_INFO "host%u: scsi: " fmt, \ |
82 | (lport)->host->host_no, ##args)) | |
83 | ||
84 | /* | |
85 | * Set up direct-data placement for this I/O request | |
86 | */ | |
87 | void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid); | |
88 | ||
89 | /* | |
90 | * Module setup functions | |
91 | */ | |
92 | int fc_setup_exch_mgr(void); | |
93 | void fc_destroy_exch_mgr(void); | |
94 | int fc_setup_rport(void); | |
95 | void fc_destroy_rport(void); | |
93e6d5ab RL |
96 | int fc_setup_fcp(void); |
97 | void fc_destroy_fcp(void); | |
8866a5d9 RL |
98 | |
99 | /* | |
100 | * Internal libfc functions | |
101 | */ | |
102 | const char *fc_els_resp_type(struct fc_frame *); | |
103 | ||
58682874 RL |
104 | /* |
105 | * Copies a buffer into an sg list | |
106 | */ | |
107 | u32 fc_copy_buffer_to_sglist(void *buf, size_t len, | |
108 | struct scatterlist *sg, | |
109 | u32 *nents, size_t *offset, | |
110 | enum km_type km_type, u32 *crc); | |
111 | ||
8866a5d9 | 112 | #endif /* _FC_LIBFC_H_ */ |