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bfa_fcbuild.h
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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 
24 #include "bfad_drv.h"
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 
69  case RPSC_OP_SPEED_16G:
70  return BFA_PORT_SPEED_16GBPS;
71 
72  case RPSC_OP_SPEED_10G:
73  return BFA_PORT_SPEED_10GBPS;
74 
75  default:
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 
89  return RPSC_OP_SPEED_1G;
90 
92  return RPSC_OP_SPEED_2G;
93 
95  return RPSC_OP_SPEED_4G;
96 
98  return RPSC_OP_SPEED_8G;
99 
101  return RPSC_OP_SPEED_16G;
102 
104  return RPSC_OP_SPEED_10G;
105 
106  default:
107  return RPSC_OP_SPEED_NOT_EST;
108  }
109 }
110 
125 
126 };
127 
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,
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,
144  u16 pdu_size);
145 
146 u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
147  u32 s_id, __be16 ox_id,
149  u16 pdu_size,
150  u16 local_bb_credits, u8 bb_scn);
151 
152 u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id,
154  wwn_t node_name, u16 pdu_size, u16 bb_cr);
155 
156 enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs);
157 
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 u16 fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id,
170  wwn_t node_name, u8 *name);
171 
172 u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
173  u16 ox_id, enum bfa_lport_role role);
174 
175 u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
176  u16 ox_id, u8 *fc4_bitmap,
177  u32 bitmap_size);
178 
179 u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
180  u16 ox_id, u8 fc4_type, u8 fc4_ftrs);
181 
182 u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
184 
185 u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
186  u16 ox_id, u32 port_id);
187 
188 u16 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr,
189  u32 d_id, u32 s_id, u16 ox_id,
190  u8 reason_code, u8 reason_code_expl);
191 
192 u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
193  u8 set_br_reg, u32 s_id, u16 ox_id);
194 
195 u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
196  u32 s_id, u16 ox_id,
198  u16 pdu_size, u16 bb_cr);
199 
200 u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
202  wwn_t node_name);
203 
204 enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld,
205  u32 host_dap, wwn_t node_name, wwn_t port_name);
206 
207 enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len,
209 
210 u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
213 u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt,
215  u8 reason_code, u8 reason_code_expl);
216 u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
218 u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id,
219  u32 s_id, u16 ox_id);
220 
221 enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len);
222 
223 u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
224  u32 s_id, __be16 ox_id,
225  enum bfa_lport_role role);
226 
227 u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid,
228  u32 d_id, u32 s_id, u16 ox_id,
229  u32 data_format);
230 
231 u16 fc_rnid_acc_build(struct fchs_s *fchs,
232  struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id,
234  struct fc_rnid_common_id_data_s *common_id_data,
235  struct fc_rnid_general_topology_data_s *gen_topo_data);
236 
237 u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c,
238  u32 d_id, u32 s_id, u32 *pid_list, u16 npids);
239 u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc,
240  u32 d_id, u32 s_id, u16 ox_id);
241 u16 fc_rpsc_acc_build(struct fchs_s *fchs,
242  struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id,
243  __be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed);
244 u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id,
245  u8 fc4_type);
246 
247 u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
249 
250 u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
252 
253 u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
254  u32 port_id, u32 cos);
255 
256 u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
258 
259 u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id,
260  u32 port_id);
261 
262 u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id,
264 
265 u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
266  u32 s_id, __be16 ox_id);
267 
268 u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
269  u16 cmd_code);
270 u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
271 u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
272 
273 void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask);
274 
275 void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
276  __be16 ox_id);
277 
278 enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len);
279 
280 enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len,
281  wwn_t port_name);
282 
284 
286  wwn_t port_name);
287 
288 u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
290 
291 int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code);
292 
293 u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
295 
296 u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
298 
299 u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len);
300 
301 u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
303  u16 pdu_size);
304 
305 u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name);
306 
307 u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
308  u16 ox_id, int num_pages);
309 
310 u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len);
311 
312 u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
313  u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type,
314  u32 tpr_id);
315 
316 u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len);
317 
318 u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
319  __be16 ox_id, u32 reason_code, u32 reason_expl);
320 
321 u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
322  u32 port_id);
323 
324 u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr);
325 
326 u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id,
327  u16 ox_id);
328 #endif