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1 | /* |
2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. | |
3 | * All rights reserved | |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | /* | |
18 | * fcbuild.h - FC link service frame building and parsing routines | |
19 | */ | |
20 | ||
21 | #ifndef __FCBUILD_H__ | |
22 | #define __FCBUILD_H__ | |
23 | ||
f16a1750 | 24 | #include "bfad_drv.h" |
a36c61f9 KG |
25 | #include "bfa_fc.h" |
26 | #include "bfa_defs_fcs.h" | |
27 | ||
28 | /* | |
29 | * Utility Macros/functions | |
30 | */ | |
31 | ||
32 | #define wwn_is_equal(_wwn1, _wwn2) \ | |
33 | (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) | |
34 | ||
35 | #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) | |
36 | ||
37 | /* | |
38 | * Given the fc response length, this routine will return | |
39 | * the length of the actual payload bytes following the CT header. | |
40 | * | |
41 | * Assumes the input response length does not include the crc, eof, etc. | |
42 | */ | |
43 | static inline u32 | |
44 | fc_get_ctresp_pyld_len(u32 resp_len) | |
45 | { | |
46 | return resp_len - sizeof(struct ct_hdr_s); | |
47 | } | |
48 | ||
49 | /* | |
50 | * Convert bfa speed to rpsc speed value. | |
51 | */ | |
52 | static inline enum bfa_port_speed | |
53 | fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed) | |
54 | { | |
55 | switch (speed) { | |
56 | ||
57 | case RPSC_OP_SPEED_1G: | |
58 | return BFA_PORT_SPEED_1GBPS; | |
59 | ||
60 | case RPSC_OP_SPEED_2G: | |
61 | return BFA_PORT_SPEED_2GBPS; | |
62 | ||
63 | case RPSC_OP_SPEED_4G: | |
64 | return BFA_PORT_SPEED_4GBPS; | |
65 | ||
66 | case RPSC_OP_SPEED_8G: | |
67 | return BFA_PORT_SPEED_8GBPS; | |
68 | ||
8b070b4a KG |
69 | case RPSC_OP_SPEED_16G: |
70 | return BFA_PORT_SPEED_16GBPS; | |
71 | ||
a36c61f9 KG |
72 | case RPSC_OP_SPEED_10G: |
73 | return BFA_PORT_SPEED_10GBPS; | |
74 | ||
75 | default: | |
76 | return BFA_PORT_SPEED_UNKNOWN; | |
77 | } | |
78 | } | |
79 | ||
80 | /* | |
81 | * Convert RPSC speed to bfa speed value. | |
82 | */ | |
83 | static inline enum fc_rpsc_op_speed | |
84 | fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed) | |
85 | { | |
86 | switch (op_speed) { | |
87 | ||
88 | case BFA_PORT_SPEED_1GBPS: | |
89 | return RPSC_OP_SPEED_1G; | |
90 | ||
91 | case BFA_PORT_SPEED_2GBPS: | |
92 | return RPSC_OP_SPEED_2G; | |
93 | ||
94 | case BFA_PORT_SPEED_4GBPS: | |
95 | return RPSC_OP_SPEED_4G; | |
96 | ||
97 | case BFA_PORT_SPEED_8GBPS: | |
98 | return RPSC_OP_SPEED_8G; | |
99 | ||
8b070b4a KG |
100 | case BFA_PORT_SPEED_16GBPS: |
101 | return RPSC_OP_SPEED_16G; | |
102 | ||
a36c61f9 KG |
103 | case BFA_PORT_SPEED_10GBPS: |
104 | return RPSC_OP_SPEED_10G; | |
105 | ||
106 | default: | |
107 | return RPSC_OP_SPEED_NOT_EST; | |
108 | } | |
109 | } | |
110 | ||
111 | enum fc_parse_status { | |
112 | FC_PARSE_OK = 0, | |
113 | FC_PARSE_FAILURE = 1, | |
114 | FC_PARSE_BUSY = 2, | |
115 | FC_PARSE_LEN_INVAL, | |
116 | FC_PARSE_ACC_INVAL, | |
117 | FC_PARSE_PWWN_NOT_EQUAL, | |
118 | FC_PARSE_NWWN_NOT_EQUAL, | |
119 | FC_PARSE_RXSZ_INVAL, | |
120 | FC_PARSE_NOT_FCP, | |
121 | FC_PARSE_OPAFLAG_INVAL, | |
122 | FC_PARSE_RPAFLAG_INVAL, | |
123 | FC_PARSE_OPA_INVAL, | |
124 | FC_PARSE_RPA_INVAL, | |
125 | ||
126 | }; | |
127 | ||
128 | struct fc_templates_s { | |
129 | struct fchs_s fc_els_req; | |
130 | struct fchs_s fc_bls_req; | |
131 | struct fc_logi_s plogi; | |
132 | struct fc_rrq_s rrq; | |
133 | }; | |
134 | ||
135 | void fcbuild_init(void); | |
136 | ||
137 | u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, | |
138 | u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, | |
139 | u16 pdu_size, u8 set_npiv, u8 set_auth, | |
140 | u16 local_bb_credits); | |
141 | ||
142 | u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id, | |
143 | u16 ox_id, wwn_t port_name, wwn_t node_name, | |
144 | u16 pdu_size); | |
145 | ||
146 | u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, | |
50444a34 | 147 | u32 s_id, __be16 ox_id, |
a36c61f9 KG |
148 | wwn_t port_name, wwn_t node_name, |
149 | u16 pdu_size, | |
be540a99 | 150 | u16 local_bb_credits, u8 bb_scn); |
a36c61f9 KG |
151 | |
152 | u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
153 | u32 s_id, u16 ox_id, wwn_t port_name, | |
be540a99 | 154 | wwn_t node_name, u16 pdu_size, u16 bb_cr); |
a36c61f9 KG |
155 | |
156 | enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); | |
157 | ||
158 | u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, | |
159 | u16 ox_id); | |
160 | ||
161 | enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); | |
162 | ||
163 | u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, | |
164 | u32 s_id, u16 ox_id, u16 rrq_oxid); | |
165 | enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len); | |
166 | ||
167 | u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
168 | u16 ox_id, u8 *name); | |
169 | ||
170 | u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
171 | u16 ox_id, enum bfa_lport_role role); | |
172 | ||
173 | u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, | |
174 | u16 ox_id, u8 *fc4_bitmap, | |
175 | u32 bitmap_size); | |
176 | ||
177 | u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
178 | u16 ox_id, u8 fc4_type, u8 fc4_ftrs); | |
179 | ||
180 | u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
181 | u16 ox_id, wwn_t port_name); | |
182 | ||
183 | u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
184 | u16 ox_id, u32 port_id); | |
185 | ||
d7be54cc KG |
186 | u16 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr, |
187 | u32 d_id, u32 s_id, u16 ox_id, | |
188 | u8 reason_code, u8 reason_code_expl); | |
189 | ||
a36c61f9 KG |
190 | u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, |
191 | u8 set_br_reg, u32 s_id, u16 ox_id); | |
192 | ||
193 | u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
194 | u32 s_id, u16 ox_id, | |
195 | wwn_t port_name, wwn_t node_name, | |
be540a99 | 196 | u16 pdu_size, u16 bb_cr); |
a36c61f9 KG |
197 | |
198 | u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, | |
50444a34 | 199 | u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name, |
a36c61f9 KG |
200 | wwn_t node_name); |
201 | ||
202 | enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, | |
203 | u32 host_dap, wwn_t node_name, wwn_t port_name); | |
204 | ||
205 | enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, | |
206 | wwn_t port_name, wwn_t node_name); | |
207 | ||
208 | u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, | |
50444a34 | 209 | u32 d_id, u32 s_id, __be16 ox_id, |
a36c61f9 KG |
210 | wwn_t port_name, wwn_t node_name); |
211 | u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, | |
50444a34 | 212 | u32 d_id, u32 s_id, __be16 ox_id, |
a36c61f9 KG |
213 | u8 reason_code, u8 reason_code_expl); |
214 | u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, | |
50444a34 | 215 | u32 d_id, u32 s_id, __be16 ox_id); |
a36c61f9 KG |
216 | u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, |
217 | u32 s_id, u16 ox_id); | |
218 | ||
219 | enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); | |
220 | ||
221 | u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
50444a34 | 222 | u32 s_id, __be16 ox_id, |
a36c61f9 KG |
223 | enum bfa_lport_role role); |
224 | ||
225 | u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, | |
226 | u32 d_id, u32 s_id, u16 ox_id, | |
227 | u32 data_format); | |
228 | ||
229 | u16 fc_rnid_acc_build(struct fchs_s *fchs, | |
230 | struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id, | |
50444a34 | 231 | __be16 ox_id, u32 data_format, |
a36c61f9 KG |
232 | struct fc_rnid_common_id_data_s *common_id_data, |
233 | struct fc_rnid_general_topology_data_s *gen_topo_data); | |
234 | ||
235 | u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, | |
236 | u32 d_id, u32 s_id, u32 *pid_list, u16 npids); | |
237 | u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, | |
238 | u32 d_id, u32 s_id, u16 ox_id); | |
239 | u16 fc_rpsc_acc_build(struct fchs_s *fchs, | |
240 | struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id, | |
50444a34 | 241 | __be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed); |
a36c61f9 KG |
242 | u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, |
243 | u8 fc4_type); | |
244 | ||
245 | u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
246 | u32 port_id, wwn_t port_name); | |
247 | ||
248 | u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
249 | u32 port_id, wwn_t node_name); | |
250 | ||
251 | u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
252 | u32 port_id, u32 cos); | |
253 | ||
254 | u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
255 | u32 port_id, u8 port_type); | |
256 | ||
257 | u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
258 | u32 port_id); | |
259 | ||
260 | u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, | |
261 | u32 s_id, u16 ox_id, wwn_t port_name); | |
262 | ||
263 | u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
50444a34 | 264 | u32 s_id, __be16 ox_id); |
a36c61f9 KG |
265 | |
266 | u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
267 | u16 cmd_code); | |
268 | u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); | |
269 | u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); | |
270 | ||
271 | void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); | |
272 | ||
273 | void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
50444a34 | 274 | __be16 ox_id); |
a36c61f9 KG |
275 | |
276 | enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len); | |
277 | ||
278 | enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, | |
279 | wwn_t port_name); | |
280 | ||
281 | enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); | |
282 | ||
283 | enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, | |
284 | wwn_t port_name); | |
285 | ||
286 | u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, | |
50444a34 | 287 | u32 s_id, __be16 ox_id, u16 rx_id); |
a36c61f9 KG |
288 | |
289 | int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); | |
290 | ||
291 | u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, | |
50444a34 | 292 | u32 d_id, u32 s_id, __be16 ox_id, int num_pages); |
a36c61f9 KG |
293 | |
294 | u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, | |
50444a34 | 295 | u32 d_id, u32 s_id, __be16 ox_id, int num_pages); |
a36c61f9 KG |
296 | |
297 | u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len); | |
298 | ||
299 | u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
300 | u16 ox_id, wwn_t port_name, wwn_t node_name, | |
301 | u16 pdu_size); | |
302 | ||
303 | u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); | |
304 | ||
305 | u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
306 | u16 ox_id, int num_pages); | |
307 | ||
308 | u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len); | |
309 | ||
310 | u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
311 | u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type, | |
312 | u32 tpr_id); | |
313 | ||
314 | u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len); | |
315 | ||
316 | u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
50444a34 | 317 | __be16 ox_id, u32 reason_code, u32 reason_expl); |
a36c61f9 KG |
318 | |
319 | u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, | |
320 | u32 port_id); | |
321 | ||
322 | u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); | |
323 | ||
324 | u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, | |
325 | u16 ox_id); | |
326 | #endif |