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1da177e4 LT |
1 | /* fc.h: Definitions for Fibre Channel Physical and Signaling Interface. |
2 | * | |
3 | * Copyright (C) 1996-1997,1999 Jakub Jelinek (jj@ultra.linux.cz) | |
4 | * | |
5 | * Sources: | |
6 | * Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 | |
7 | * dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 | |
8 | */ | |
9 | ||
10 | #ifndef __FC_H | |
11 | #define __FC_H | |
12 | ||
13 | /* World Wide Name */ | |
14 | #define NAAID_IEEE 1 | |
15 | #define NAAID_IEEE_EXT 2 | |
16 | #define NAAID_LOCAL 3 | |
17 | #define NAAID_IP 4 | |
18 | #define NAAID_IEEE_REG 5 | |
19 | #define NAAID_IEEE_REG_EXT 6 | |
20 | #define NAAID_CCITT 12 | |
21 | #define NAAID_CCITT_GRP 14 | |
22 | ||
23 | /* This is NAAID_IEEE_EXT scheme */ | |
24 | typedef struct { | |
25 | u32 naaid:4; | |
26 | u32 nportid:12; | |
27 | u32 hi:16; | |
28 | u32 lo; | |
29 | } fc_wwn; | |
30 | ||
31 | /* Frame header for FC-PH frames */ | |
32 | ||
33 | /* r_ctl field */ | |
34 | #define R_CTL_DEVICE_DATA 0x00 /* FC4 Device_Data frame */ | |
35 | #define R_CTL_EXTENDED_SVC 0x20 /* Extended Link_Data frame */ | |
36 | #define R_CTL_FC4_SVC 0x30 /* FC4 Link_Data frame */ | |
37 | #define R_CTL_VIDEO 0x40 /* Video_Data frame */ | |
38 | #define R_CTL_BASIC_SVC 0x80 /* Basic Link_Data frame */ | |
39 | #define R_CTL_LINK_CTL 0xc0 /* Link_Control frame */ | |
40 | /* FC4 Device_Data frames */ | |
41 | #define R_CTL_UNCATEGORIZED 0x00 | |
42 | #define R_CTL_SOLICITED_DATA 0x01 | |
43 | #define R_CTL_UNSOL_CONTROL 0x02 | |
44 | #define R_CTL_SOLICITED_CONTROL 0x03 | |
45 | #define R_CTL_UNSOL_DATA 0x04 | |
46 | #define R_CTL_XFER_RDY 0x05 | |
47 | #define R_CTL_COMMAND 0x06 | |
48 | #define R_CTL_STATUS 0x07 | |
49 | /* Basic Link_Data frames */ | |
50 | #define R_CTL_LS_NOP 0x80 | |
51 | #define R_CTL_LS_ABTS 0x81 | |
52 | #define R_CTL_LS_RMC 0x82 | |
53 | #define R_CTL_LS_BA_ACC 0x84 | |
54 | #define R_CTL_LS_BA_RJT 0x85 | |
55 | /* Extended Link_Data frames */ | |
56 | #define R_CTL_ELS_REQ 0x22 | |
57 | #define R_CTL_ELS_RSP 0x23 | |
58 | /* Link_Control frames */ | |
59 | #define R_CTL_ACK_1 0xc0 | |
60 | #define R_CTL_ACK_N 0xc1 | |
61 | #define R_CTL_P_RJT 0xc2 | |
62 | #define R_CTL_F_RJT 0xc3 | |
63 | #define R_CTL_P_BSY 0xc4 | |
64 | #define R_CTL_F_BSY_DF 0xc5 | |
65 | #define R_CTL_F_BSY_LC 0xc6 | |
66 | #define R_CTL_LCR 0xc7 | |
67 | ||
68 | /* type field */ | |
69 | #define TYPE_BASIC_LS 0x00 | |
70 | #define TYPE_EXTENDED_LS 0x01 | |
71 | #define TYPE_IS8802 0x04 | |
72 | #define TYPE_IS8802_SNAP 0x05 | |
73 | #define TYPE_SCSI_FCP 0x08 | |
74 | #define TYPE_SCSI_GPP 0x09 | |
75 | #define TYPE_HIPP_FP 0x0a | |
76 | #define TYPE_IPI3_MASTER 0x11 | |
77 | #define TYPE_IPI3_SLAVE 0x12 | |
78 | #define TYPE_IPI3_PEER 0x13 | |
79 | ||
80 | /* f_ctl field */ | |
81 | #define F_CTL_FILL_BYTES 0x000003 | |
82 | #define F_CTL_XCHG_REASSEMBLE 0x000004 | |
83 | #define F_CTL_RO_PRESENT 0x000008 | |
84 | #define F_CTL_ABORT_SEQ 0x000030 | |
85 | #define F_CTL_CONTINUE_SEQ 0x0000c0 | |
86 | #define F_CTL_INVALIDATE_XID 0x004000 | |
87 | #define F_CTL_XID_REASSIGNED 0x008000 | |
88 | #define F_CTL_SEQ_INITIATIVE 0x010000 | |
89 | #define F_CTL_CHAINED_SEQ 0x020000 | |
90 | #define F_CTL_END_CONNECT 0x040000 | |
91 | #define F_CTL_END_SEQ 0x080000 | |
92 | #define F_CTL_LAST_SEQ 0x100000 | |
93 | #define F_CTL_FIRST_SEQ 0x200000 | |
94 | #define F_CTL_SEQ_CONTEXT 0x400000 | |
95 | #define F_CTL_XCHG_CONTEXT 0x800000 | |
96 | ||
97 | typedef struct { | |
98 | u32 r_ctl:8, did:24; | |
99 | u32 xxx1:8, sid:24; | |
100 | u32 type:8, f_ctl:24; | |
101 | u32 seq_id:8, df_ctl:8, seq_cnt:16; | |
102 | u16 ox_id, rx_id; | |
103 | u32 param; | |
104 | } fc_hdr; | |
105 | /* The following are ugly macros to make setup of this structure faster */ | |
106 | #define FILL_FCHDR_RCTL_DID(fch, r_ctl, did) *(u32 *)(fch) = ((r_ctl) << 24) | (did); | |
107 | #define FILL_FCHDR_SID(fch, sid) *((u32 *)(fch)+1) = (sid); | |
108 | #define FILL_FCHDR_TYPE_FCTL(fch, type, f_ctl) *((u32 *)(fch)+2) = ((type) << 24) | (f_ctl); | |
109 | #define FILL_FCHDR_SEQ_DF_SEQ(fch, seq_id, df_ctl, seq_cnt) *((u32 *)(fch)+3) = ((seq_id) << 24) | ((df_ctl) << 16) | (seq_cnt); | |
110 | #define FILL_FCHDR_OXRX(fch, ox_id, rx_id) *((u32 *)(fch)+4) = ((ox_id) << 16) | (rx_id); | |
111 | ||
112 | /* Well known addresses */ | |
113 | #define FS_GENERAL_MULTICAST 0xfffff7 | |
114 | #define FS_WELL_KNOWN_MULTICAST 0xfffff8 | |
115 | #define FS_HUNT_GROUP 0xfffff9 | |
116 | #define FS_MANAGEMENT_SERVER 0xfffffa | |
117 | #define FS_TIME_SERVER 0xfffffb | |
118 | #define FS_NAME_SERVER 0xfffffc | |
119 | #define FS_FABRIC_CONTROLLER 0xfffffd | |
120 | #define FS_FABRIC_F_PORT 0xfffffe | |
121 | #define FS_BROADCAST 0xffffff | |
122 | ||
123 | /* Reject frames */ | |
124 | /* The param field should be cast to this structure */ | |
125 | typedef struct { | |
126 | u8 action; | |
127 | u8 reason; | |
128 | u8 xxx; | |
129 | u8 vendor_unique; | |
130 | } rjt_param; | |
131 | ||
132 | /* Reject action codes */ | |
133 | #define RJT_RETRY 0x01 | |
134 | #define RJT_NONRETRY 0x02 | |
135 | ||
136 | /* Reject reason codes */ | |
137 | #define RJT_INVALID_DID 0x01 | |
138 | #define RJT_INVALID_SID 0x02 | |
139 | #define RJT_NPORT_NOT_AVAIL_TEMP 0x03 | |
140 | #define RJT_NPORT_NOT_AVAIL_PERM 0x04 | |
141 | #define RJT_CLASS_NOT_SUPPORTED 0x05 | |
142 | #define RJT_DELIMITER_ERROR 0x06 | |
143 | #define RJT_TYPE_NOT_SUPPORTED 0x07 | |
144 | #define RJT_INVALID_LINK_CONTROL 0x08 | |
145 | #define RJT_INVALID_R_CTL 0x09 | |
146 | #define RJT_INVALID_F_CTL 0x0a | |
147 | #define RJT_INVALID_OX_ID 0x0b | |
148 | #define RJT_INVALID_RX_ID 0x0c | |
149 | #define RJT_INVALID_SEQ_ID 0x0d | |
150 | #define RJT_INVALID_DF_CTL 0x0e | |
151 | #define RJT_INVALID_SEQ_CNT 0x0f | |
152 | #define RJT_INVALID_PARAMETER 0x10 | |
153 | #define RJT_EXCHANGE_ERROR 0x11 | |
154 | #define RJT_PROTOCOL_ERROR 0x12 | |
155 | #define RJT_INCORRECT_LENGTH 0x13 | |
156 | #define RJT_UNEXPECTED_ACK 0x14 | |
157 | #define RJT_UNEXPECTED_LINK_RESP 0x15 | |
158 | #define RJT_LOGIN_REQUIRED 0x16 | |
159 | #define RJT_EXCESSIVE_SEQUENCES 0x17 | |
160 | #define RJT_CANT_ESTABLISH_EXCHANGE 0x18 | |
161 | #define RJT_SECURITY_NOT_SUPPORTED 0x19 | |
162 | #define RJT_FABRIC_NA 0x1a | |
163 | #define RJT_VENDOR_UNIQUE 0xff | |
164 | ||
165 | ||
166 | #define SP_F_PORT_LOGIN 0x10 | |
167 | ||
168 | /* Extended SVC commands */ | |
169 | #define LS_RJT 0x01000000 | |
170 | #define LS_ACC 0x02000000 | |
171 | #define LS_PRLI_ACC 0x02100014 | |
172 | #define LS_PLOGI 0x03000000 | |
173 | #define LS_FLOGI 0x04000000 | |
174 | #define LS_LOGO 0x05000000 | |
175 | #define LS_ABTX 0x06000000 | |
176 | #define LS_RCS 0x07000000 | |
177 | #define LS_RES 0x08000000 | |
178 | #define LS_RSS 0x09000000 | |
179 | #define LS_RSI 0x0a000000 | |
180 | #define LS_ESTS 0x0b000000 | |
181 | #define LS_ESTC 0x0c000000 | |
182 | #define LS_ADVC 0x0d000000 | |
183 | #define LS_RTV 0x0e000000 | |
184 | #define LS_RLS 0x0f000000 | |
185 | #define LS_ECHO 0x10000000 | |
186 | #define LS_TEST 0x11000000 | |
187 | #define LS_RRQ 0x12000000 | |
188 | #define LS_IDENT 0x20000000 | |
189 | #define LS_PRLI 0x20100014 | |
190 | #define LS_DISPLAY 0x21000000 | |
191 | #define LS_PRLO 0x21100014 | |
192 | #define LS_PDISC 0x50000000 | |
193 | #define LS_ADISC 0x52000000 | |
194 | ||
195 | typedef struct { | |
196 | u8 fcph_hi, fcph_lo; | |
197 | u16 buf2buf_credit; | |
198 | u8 common_features; | |
199 | u8 xxx1; | |
200 | u16 buf2buf_size; | |
201 | u8 xxx2; | |
202 | u8 total_concurrent; | |
203 | u16 off_by_info; | |
204 | u32 e_d_tov; | |
205 | } common_svc_parm; | |
206 | ||
207 | typedef struct { | |
208 | u16 serv_opts; | |
209 | u16 initiator_ctl; | |
210 | u16 rcpt_ctl; | |
211 | u16 recv_size; | |
212 | u8 xxx1; | |
213 | u8 concurrent_seqs; | |
214 | u16 end2end_credit; | |
215 | u16 open_seqs_per_xchg; | |
216 | u16 xxx2; | |
217 | } svc_parm; | |
218 | ||
219 | /* Login */ | |
220 | typedef struct { | |
221 | u32 code; | |
222 | common_svc_parm common; | |
223 | fc_wwn nport_wwn; | |
224 | fc_wwn node_wwn; | |
225 | svc_parm class1; | |
226 | svc_parm class2; | |
227 | svc_parm class3; | |
228 | } logi; | |
229 | ||
230 | #endif /* !(__FC_H) */ |