1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
4 | * Copyright (c) 2014- QLogic Corporation. |
5 | * All rights reserved |
6 | * www.qlogic.com |
7 | * |
8 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
9 | */ |
10 | /* |
11 | * fcbuild.h - FC link service frame building and parsing routines |
12 | */ |
13 | |
14 | #ifndef __FCBUILD_H__ |
15 | #define __FCBUILD_H__ |
16 | |
17 | #include "bfad_drv.h" |
18 | #include "bfa_fc.h" |
19 | #include "bfa_defs_fcs.h" |
20 | |
21 | /* |
22 | * Utility Macros/functions |
23 | */ |
24 | |
25 | #define wwn_is_equal(_wwn1, _wwn2) \ |
26 | (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) |
27 | |
28 | #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) |
29 | |
30 | /* |
31 | * Given the fc response length, this routine will return |
32 | * the length of the actual payload bytes following the CT header. |
33 | * |
34 | * Assumes the input response length does not include the crc, eof, etc. |
35 | */ |
36 | static inline u32 |
37 | fc_get_ctresp_pyld_len(u32 resp_len) |
38 | { |
39 | return resp_len - sizeof(struct ct_hdr_s); |
40 | } |
41 | |
42 | /* |
43 | * Convert bfa speed to rpsc speed value. |
44 | */ |
45 | static inline enum bfa_port_speed |
46 | fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed) |
47 | { |
48 | switch (speed) { |
49 | |
50 | case RPSC_OP_SPEED_1G: |
51 | return BFA_PORT_SPEED_1GBPS; |
52 | |
53 | case RPSC_OP_SPEED_2G: |
54 | return BFA_PORT_SPEED_2GBPS; |
55 | |
56 | case RPSC_OP_SPEED_4G: |
57 | return BFA_PORT_SPEED_4GBPS; |
58 | |
59 | case RPSC_OP_SPEED_8G: |
60 | return BFA_PORT_SPEED_8GBPS; |
61 | |
62 | case RPSC_OP_SPEED_16G: |
63 | return BFA_PORT_SPEED_16GBPS; |
64 | |
65 | case RPSC_OP_SPEED_10G: |
66 | return BFA_PORT_SPEED_10GBPS; |
67 | |
68 | default: |
69 | return BFA_PORT_SPEED_UNKNOWN; |
70 | } |
71 | } |
72 | |
73 | /* |
74 | * Convert RPSC speed to bfa speed value. |
75 | */ |
76 | static inline enum fc_rpsc_op_speed |
77 | fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed) |
78 | { |
79 | switch (op_speed) { |
80 | |
81 | case BFA_PORT_SPEED_1GBPS: |
82 | return RPSC_OP_SPEED_1G; |
83 | |
84 | case BFA_PORT_SPEED_2GBPS: |
85 | return RPSC_OP_SPEED_2G; |
86 | |
87 | case BFA_PORT_SPEED_4GBPS: |
88 | return RPSC_OP_SPEED_4G; |
89 | |
90 | case BFA_PORT_SPEED_8GBPS: |
91 | return RPSC_OP_SPEED_8G; |
92 | |
93 | case BFA_PORT_SPEED_16GBPS: |
94 | return RPSC_OP_SPEED_16G; |
95 | |
96 | case BFA_PORT_SPEED_10GBPS: |
97 | return RPSC_OP_SPEED_10G; |
98 | |
99 | default: |
100 | return RPSC_OP_SPEED_NOT_EST; |
101 | } |
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, wwn_t node_name, |
132 | u16 pdu_size, u8 set_npiv, u8 set_auth, |
133 | u16 local_bb_credits); |
134 | |
135 | u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id, |
136 | u16 ox_id, wwn_t port_name, wwn_t node_name, |
137 | u16 pdu_size); |
138 | |
139 | u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, |
140 | u32 s_id, __be16 ox_id, |
141 | wwn_t port_name, wwn_t node_name, |
142 | u16 pdu_size, |
143 | u16 local_bb_credits, u8 bb_scn); |
144 | |
145 | u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, |
146 | u32 s_id, u16 ox_id, wwn_t port_name, |
147 | wwn_t node_name, u16 pdu_size, u16 bb_cr); |
148 | |
149 | enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); |
150 | |
151 | u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, |
152 | u16 ox_id); |
153 | |
154 | enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); |
155 | |
156 | u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, |
157 | u32 s_id, u16 ox_id, u16 rrq_oxid); |
158 | |
159 | u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, |
160 | u16 ox_id, u8 *name); |
161 | u16 fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id, |
162 | wwn_t node_name, u8 *name); |
163 | |
164 | u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, |
165 | u16 ox_id, enum bfa_lport_role role); |
166 | |
167 | u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, |
168 | u16 ox_id, u8 *fc4_bitmap, |
169 | u32 bitmap_size); |
170 | |
171 | u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
172 | u16 ox_id, u8 fc4_type, u8 fc4_ftrs); |
173 | |
174 | u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
175 | u16 ox_id, wwn_t port_name); |
176 | |
177 | u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, |
178 | u16 ox_id, u32 port_id); |
179 | |
180 | u16 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr, |
181 | u32 d_id, u32 s_id, u16 ox_id, |
182 | u8 reason_code, u8 reason_code_expl); |
183 | |
184 | u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, |
185 | u8 set_br_reg, u32 s_id, u16 ox_id); |
186 | |
187 | u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, |
188 | u32 s_id, u16 ox_id, |
189 | wwn_t port_name, wwn_t node_name, |
190 | u16 pdu_size, u16 bb_cr); |
191 | |
192 | u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, |
193 | u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name, |
194 | wwn_t node_name); |
195 | |
196 | enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, |
197 | u32 host_dap, wwn_t node_name, wwn_t port_name); |
198 | |
199 | enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, |
200 | wwn_t port_name, wwn_t node_name); |
201 | |
202 | u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, |
203 | u32 d_id, u32 s_id, __be16 ox_id, |
204 | wwn_t port_name, wwn_t node_name); |
205 | u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, |
206 | u32 d_id, u32 s_id, __be16 ox_id, |
207 | u8 reason_code, u8 reason_code_expl); |
208 | u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, |
209 | u32 d_id, u32 s_id, __be16 ox_id); |
210 | u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, |
211 | u32 s_id, u16 ox_id); |
212 | |
213 | enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); |
214 | |
215 | u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, |
216 | u32 s_id, __be16 ox_id, |
217 | enum bfa_lport_role role); |
218 | |
219 | u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, |
220 | u32 d_id, u32 s_id, u16 ox_id, |
221 | u32 data_format); |
222 | |
223 | u16 fc_rnid_acc_build(struct fchs_s *fchs, |
224 | struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id, |
225 | __be16 ox_id, u32 data_format, |
226 | struct fc_rnid_common_id_data_s *common_id_data, |
227 | struct fc_rnid_general_topology_data_s *gen_topo_data); |
228 | |
229 | u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, |
230 | u32 d_id, u32 s_id, u32 *pid_list, u16 npids); |
231 | u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, |
232 | u32 d_id, u32 s_id, u16 ox_id); |
233 | u16 fc_rpsc_acc_build(struct fchs_s *fchs, |
234 | struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id, |
235 | __be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed); |
236 | u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, |
237 | u8 fc4_type); |
238 | |
239 | u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
240 | u32 port_id, wwn_t port_name); |
241 | |
242 | u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
243 | u32 port_id, wwn_t node_name); |
244 | |
245 | u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
246 | u32 port_id, u32 cos); |
247 | |
248 | u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
249 | u32 port_id, u8 port_type); |
250 | |
251 | u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
252 | u32 port_id); |
253 | |
254 | u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, |
255 | u32 s_id, u16 ox_id, wwn_t port_name); |
256 | |
257 | u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, |
258 | u32 s_id, __be16 ox_id); |
259 | |
260 | u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, |
261 | u16 cmd_code); |
262 | u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); |
263 | u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); |
264 | |
265 | void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); |
266 | |
267 | void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, |
268 | __be16 ox_id); |
269 | |
270 | enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, |
271 | wwn_t port_name); |
272 | |
273 | enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); |
274 | |
275 | enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, |
276 | wwn_t port_name); |
277 | |
278 | u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, |
279 | u32 s_id, __be16 ox_id, u16 rx_id); |
280 | |
281 | int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); |
282 | |
283 | u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, |
284 | u32 d_id, u32 s_id, __be16 ox_id, int num_pages); |
285 | |
286 | u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, |
287 | u32 d_id, u32 s_id, __be16 ox_id, int num_pages); |
288 | |
289 | u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, |
290 | u16 ox_id, wwn_t port_name, wwn_t node_name, |
291 | u16 pdu_size); |
292 | |
293 | u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); |
294 | |
295 | u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, |
296 | u16 ox_id, int num_pages); |
297 | |
298 | u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, |
299 | u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type, |
300 | u32 tpr_id); |
301 | |
302 | u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, |
303 | __be16 ox_id, u32 reason_code, u32 reason_expl); |
304 | |
305 | u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, |
306 | u32 port_id); |
307 | |
308 | u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); |
309 | |
310 | u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, |
311 | u16 ox_id); |
312 | #endif |
313 | |