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7725ccfd JH |
1 | /* |
2 | * Copyright (c) 2005-2009 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 | ||
24 | #include <bfa_os_inc.h> | |
25 | #include <protocol/fc.h> | |
26 | #include <protocol/fcp.h> | |
27 | #include <protocol/ct.h> | |
28 | #include <defs/bfa_defs_port.h> | |
29 | #include <defs/bfa_defs_pport.h> | |
30 | ||
31 | /* | |
32 | * Utility Macros/functions | |
33 | */ | |
34 | ||
f8ceafde JH |
35 | #define fcif_sof_set(_ifhdr, _sof) ((_ifhdr)->sof = FC_ ## _sof) |
36 | #define fcif_eof_set(_ifhdr, _eof) ((_ifhdr)->eof = FC_ ## _eof) | |
7725ccfd JH |
37 | |
38 | #define wwn_is_equal(_wwn1, _wwn2) \ | |
39 | (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) | |
40 | ||
41 | #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) | |
42 | ||
43 | /* | |
44 | * Given the fc response length, this routine will return | |
45 | * the length of the actual payload bytes following the CT header. | |
46 | * | |
47 | * Assumes the input response length does not include the crc, eof, etc. | |
48 | */ | |
49 | static inline u32 | |
50 | fc_get_ctresp_pyld_len(u32 resp_len) | |
51 | { | |
f8ceafde | 52 | return resp_len - sizeof(struct ct_hdr_s); |
7725ccfd JH |
53 | } |
54 | ||
55 | /* | |
56 | * Convert bfa speed to rpsc speed value. | |
57 | */ | |
58 | static inline enum bfa_pport_speed | |
59 | fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed) | |
60 | { | |
61 | switch (speed) { | |
62 | ||
63 | case RPSC_OP_SPEED_1G: | |
64 | return BFA_PPORT_SPEED_1GBPS; | |
65 | ||
66 | case RPSC_OP_SPEED_2G: | |
67 | return BFA_PPORT_SPEED_2GBPS; | |
68 | ||
69 | case RPSC_OP_SPEED_4G: | |
70 | return BFA_PPORT_SPEED_4GBPS; | |
71 | ||
72 | case RPSC_OP_SPEED_8G: | |
73 | return BFA_PPORT_SPEED_8GBPS; | |
74 | ||
75 | default: | |
76 | return BFA_PPORT_SPEED_UNKNOWN; | |
77 | } | |
78 | } | |
79 | ||
80 | /* | |
81 | * Convert RPSC speed to bfa speed value. | |
82 | */ | |
83 | static inline enum fc_rpsc_op_speed_s | |
84 | fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed) | |
85 | { | |
86 | switch (op_speed) { | |
87 | ||
88 | case BFA_PPORT_SPEED_1GBPS: | |
89 | return RPSC_OP_SPEED_1G; | |
90 | ||
91 | case BFA_PPORT_SPEED_2GBPS: | |
92 | return RPSC_OP_SPEED_2G; | |
93 | ||
94 | case BFA_PPORT_SPEED_4GBPS: | |
95 | return RPSC_OP_SPEED_4G; | |
96 | ||
97 | case BFA_PPORT_SPEED_8GBPS: | |
98 | return RPSC_OP_SPEED_8G; | |
99 | ||
100 | default: | |
101 | return RPSC_OP_SPEED_NOT_EST; | |
102 | } | |
103 | } | |
104 | enum fc_parse_status { | |
105 | FC_PARSE_OK = 0, | |
106 | FC_PARSE_FAILURE = 1, | |
107 | FC_PARSE_BUSY = 2, | |
108 | FC_PARSE_LEN_INVAL, | |
109 | FC_PARSE_ACC_INVAL, | |
110 | FC_PARSE_PWWN_NOT_EQUAL, | |
111 | FC_PARSE_NWWN_NOT_EQUAL, | |
112 | FC_PARSE_RXSZ_INVAL, | |
113 | FC_PARSE_NOT_FCP, | |
114 | FC_PARSE_OPAFLAG_INVAL, | |
115 | FC_PARSE_RPAFLAG_INVAL, | |
116 | FC_PARSE_OPA_INVAL, | |
117 | FC_PARSE_RPA_INVAL, | |
118 | ||
119 | }; | |
120 | ||
121 | struct fc_templates_s { | |
122 | struct fchs_s fc_els_req; | |
123 | struct fchs_s fc_bls_req; | |
124 | struct fc_logi_s plogi; | |
125 | struct fc_rrq_s rrq; | |
126 | }; | |
127 | ||
128 | void fcbuild_init(void); | |
129 | ||
130 | u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, | |
131 | u32 s_id, u16 ox_id, wwn_t port_name, | |
132 | wwn_t node_name, u16 pdu_size, u8 set_npiv, | |
133 | u8 set_auth, u16 local_bb_credits); | |
134 | u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, | |
135 | u32 s_id, u16 ox_id, wwn_t port_name, | |
136 | wwn_t node_name, u16 pdu_size); | |
137 | u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, | |
138 | u32 s_id, u16 ox_id, wwn_t port_name, | |
139 | wwn_t node_name, u16 pdu_size, | |
140 | u16 local_bb_credits); | |
141 | u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
142 | u32 s_id, u16 ox_id, wwn_t port_name, | |
143 | wwn_t node_name, u16 pdu_size); | |
144 | enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); | |
145 | u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, | |
146 | u16 ox_id); | |
147 | enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); | |
148 | u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, | |
149 | u32 s_id, u16 ox_id, u16 rrq_oxid); | |
150 | enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len); | |
151 | u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
152 | u16 ox_id, u8 *name); | |
153 | u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
154 | u16 ox_id, enum bfa_port_role role); | |
155 | u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, | |
156 | u16 ox_id, u8 *fc4_bitmap, | |
157 | u32 bitmap_size); | |
158 | u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
159 | u16 ox_id, u8 fc4_type, u8 fc4_ftrs); | |
160 | u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
161 | u16 ox_id, wwn_t port_name); | |
162 | u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
163 | u16 ox_id, u32 port_id); | |
164 | u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, | |
165 | u8 set_br_reg, u32 s_id, u16 ox_id); | |
166 | u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
167 | u32 s_id, u16 ox_id, | |
168 | wwn_t port_name, wwn_t node_name, u16 pdu_size); | |
169 | ||
170 | u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, | |
171 | u32 d_id, u32 s_id, u16 ox_id, | |
172 | wwn_t port_name, wwn_t node_name); | |
173 | enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, | |
174 | u32 host_dap, | |
175 | wwn_t node_name, wwn_t port_name); | |
176 | enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, | |
177 | wwn_t port_name, wwn_t node_name); | |
178 | u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, | |
179 | u32 d_id, u32 s_id, u16 ox_id, | |
180 | wwn_t port_name, wwn_t node_name); | |
181 | u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, | |
182 | u32 d_id, u32 s_id, u16 ox_id, | |
183 | u8 reason_code, u8 reason_code_expl); | |
184 | u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, | |
185 | u32 d_id, u32 s_id, u16 ox_id); | |
186 | u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
187 | u32 s_id, u16 ox_id); | |
188 | enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); | |
189 | ||
190 | u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
191 | u32 s_id, u16 ox_id, | |
192 | enum bfa_port_role role); | |
193 | u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, | |
194 | u32 d_id, u32 s_id, u16 ox_id, | |
195 | u32 data_format); | |
196 | u16 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, | |
197 | u32 d_id, u32 s_id, u16 ox_id, | |
198 | u32 data_format, | |
199 | struct fc_rnid_common_id_data_s *common_id_data, | |
200 | struct fc_rnid_general_topology_data_s * | |
201 | gen_topo_data); | |
202 | u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, | |
203 | u32 d_id, u32 s_id, | |
204 | u32 *pid_list, u16 npids); | |
205 | u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, | |
206 | u32 d_id, u32 s_id, u16 ox_id); | |
207 | u16 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, | |
208 | u32 d_id, u32 s_id, u16 ox_id, | |
209 | struct fc_rpsc_speed_info_s *oper_speed); | |
210 | u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, | |
211 | u8 fc4_type); | |
212 | u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
213 | u32 port_id, wwn_t port_name); | |
214 | u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
215 | u32 port_id, wwn_t node_name); | |
216 | u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
217 | u32 port_id, u32 cos); | |
218 | u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
219 | u32 port_id, u8 port_type); | |
220 | u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
221 | u32 port_id); | |
222 | u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, | |
223 | u32 d_id, u32 s_id, u16 ox_id, | |
224 | wwn_t port_name); | |
225 | u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, | |
226 | u32 s_id, u16 ox_id); | |
227 | u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
228 | u16 cmd_code); | |
229 | u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
230 | wwn_t wwn); | |
231 | u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
232 | wwn_t wwn); | |
233 | void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); | |
234 | void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
235 | u16 ox_id); | |
236 | enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len); | |
237 | enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, | |
238 | wwn_t port_name); | |
239 | enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); | |
240 | enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, | |
241 | wwn_t port_name); | |
242 | u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, | |
243 | u32 d_id, u32 s_id, u16 ox_id, | |
244 | u16 rx_id); | |
245 | int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); | |
246 | u16 fc_tprlo_acc_build(struct fchs_s *fchs, | |
247 | struct fc_tprlo_acc_s *tprlo_acc, | |
248 | u32 d_id, u32 s_id, u16 ox_id, | |
249 | int num_pages); | |
250 | u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, | |
251 | u32 d_id, u32 s_id, u16 ox_id, | |
252 | int num_pages); | |
253 | u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len); | |
254 | u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
255 | u16 ox_id, wwn_t port_name, wwn_t node_name, | |
256 | u16 pdu_size); | |
257 | u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); | |
258 | u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
259 | u16 ox_id, int num_pages); | |
260 | u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len); | |
261 | u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
262 | u16 ox_id, int num_pages, | |
263 | enum fc_tprlo_type tprlo_type, u32 tpr_id); | |
264 | u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len); | |
265 | u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, | |
266 | u16 ox_id, u32 reason_code, | |
267 | u32 reason_expl); | |
268 | u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, | |
269 | u16 ox_id, u32 port_id); | |
270 | u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); | |
271 | u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, | |
272 | u32 s_id, u16 ox_id); | |
273 | #endif |