Commit | Line | Data |
---|---|---|
42e9a92f RL |
1 | /* |
2 | * Copyright(c) 2008 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | * | |
17 | * Maintained at www.Open-FCoE.org | |
18 | */ | |
19 | ||
20 | #ifndef _FC_ENCODE_H_ | |
21 | #define _FC_ENCODE_H_ | |
22 | #include <asm/unaligned.h> | |
d78c317f | 23 | #include <linux/utsname.h> |
42e9a92f | 24 | |
24f089e2 JE |
25 | /* |
26 | * F_CTL values for simple requests and responses. | |
27 | */ | |
28 | #define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT) | |
29 | #define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \ | |
30 | FC_FC_END_SEQ | FC_FC_SEQ_INIT) | |
31 | ||
42e9a92f RL |
32 | struct fc_ns_rft { |
33 | struct fc_ns_fid fid; /* port ID object */ | |
34 | struct fc_ns_fts fts; /* FC4-types object */ | |
35 | }; | |
36 | ||
37 | struct fc_ct_req { | |
38 | struct fc_ct_hdr hdr; | |
39 | union { | |
40 | struct fc_ns_gid_ft gid; | |
41 | struct fc_ns_rn_id rn; | |
42 | struct fc_ns_rft rft; | |
ab593b18 | 43 | struct fc_ns_rff_id rff; |
2ab7e1ec | 44 | struct fc_ns_fid fid; |
5baa17c3 | 45 | struct fc_ns_rsnn snn; |
c9866a54 | 46 | struct fc_ns_rspn spn; |
d78c317f NP |
47 | struct fc_fdmi_rhba rhba; |
48 | struct fc_fdmi_rpa rpa; | |
49 | struct fc_fdmi_dprt dprt; | |
50 | struct fc_fdmi_dhba dhba; | |
42e9a92f RL |
51 | } payload; |
52 | }; | |
53 | ||
059f04d4 BPG |
54 | static inline void __fc_fill_fc_hdr(struct fc_frame_header *fh, |
55 | enum fc_rctl r_ctl, | |
56 | u32 did, u32 sid, enum fc_fh_type type, | |
57 | u32 f_ctl, u32 parm_offset) | |
42e9a92f | 58 | { |
42e9a92f RL |
59 | WARN_ON(r_ctl == 0); |
60 | fh->fh_r_ctl = r_ctl; | |
61 | hton24(fh->fh_d_id, did); | |
62 | hton24(fh->fh_s_id, sid); | |
63 | fh->fh_type = type; | |
64 | hton24(fh->fh_f_ctl, f_ctl); | |
65 | fh->fh_cs_ctl = 0; | |
66 | fh->fh_df_ctl = 0; | |
67 | fh->fh_parm_offset = htonl(parm_offset); | |
68 | } | |
69 | ||
059f04d4 BPG |
70 | /** |
71 | * fill FC header fields in specified fc_frame | |
72 | */ | |
73 | static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl, | |
74 | u32 did, u32 sid, enum fc_fh_type type, | |
75 | u32 f_ctl, u32 parm_offset) | |
76 | { | |
77 | struct fc_frame_header *fh; | |
78 | ||
79 | fh = fc_frame_header_get(fp); | |
80 | __fc_fill_fc_hdr(fh, r_ctl, did, sid, type, f_ctl, parm_offset); | |
81 | } | |
82 | ||
370c3bd0 JE |
83 | /** |
84 | * fc_adisc_fill() - Fill in adisc request frame | |
85 | * @lport: local port. | |
86 | * @fp: fc frame where payload will be placed. | |
87 | */ | |
88 | static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp) | |
89 | { | |
90 | struct fc_els_adisc *adisc; | |
91 | ||
92 | adisc = fc_frame_payload_get(fp, sizeof(*adisc)); | |
93 | memset(adisc, 0, sizeof(*adisc)); | |
94 | adisc->adisc_cmd = ELS_ADISC; | |
95 | put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn); | |
96 | put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn); | |
7b2787ec | 97 | hton24(adisc->adisc_port_id, lport->port_id); |
370c3bd0 JE |
98 | } |
99 | ||
42e9a92f RL |
100 | /** |
101 | * fc_ct_hdr_fill- fills ct header and reset ct payload | |
102 | * returns pointer to ct request. | |
103 | */ | |
104 | static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp, | |
1ea2c1da NP |
105 | unsigned int op, size_t req_size, |
106 | enum fc_ct_fs_type fs_type, | |
107 | u8 subtype) | |
42e9a92f RL |
108 | { |
109 | struct fc_ct_req *ct; | |
110 | size_t ct_plen; | |
111 | ||
112 | ct_plen = sizeof(struct fc_ct_hdr) + req_size; | |
113 | ct = fc_frame_payload_get(fp, ct_plen); | |
114 | memset(ct, 0, ct_plen); | |
115 | ct->hdr.ct_rev = FC_CT_REV; | |
1ea2c1da NP |
116 | ct->hdr.ct_fs_type = fs_type; |
117 | ct->hdr.ct_fs_subtype = subtype; | |
42e9a92f RL |
118 | ct->hdr.ct_cmd = htons((u16) op); |
119 | return ct; | |
120 | } | |
121 | ||
122 | /** | |
1ea2c1da | 123 | * fc_ct_ns_fill() - Fill in a name service request frame |
2ab7e1ec JE |
124 | * @lport: local port. |
125 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
126 | * @fp: frame to contain payload. | |
127 | * @op: CT opcode. | |
128 | * @r_ctl: pointer to FC header R_CTL. | |
129 | * @fh_type: pointer to FC-4 type. | |
42e9a92f | 130 | */ |
1ea2c1da | 131 | static inline int fc_ct_ns_fill(struct fc_lport *lport, |
2ab7e1ec | 132 | u32 fc_id, struct fc_frame *fp, |
a46f327a | 133 | unsigned int op, enum fc_rctl *r_ctl, |
42e9a92f RL |
134 | enum fc_fh_type *fh_type) |
135 | { | |
136 | struct fc_ct_req *ct; | |
5f9a056d | 137 | size_t len; |
42e9a92f RL |
138 | |
139 | switch (op) { | |
140 | case FC_NS_GPN_FT: | |
1ea2c1da NP |
141 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft), |
142 | FC_FST_DIR, FC_NS_SUBTYPE); | |
42e9a92f RL |
143 | ct->payload.gid.fn_fc4_type = FC_TYPE_FCP; |
144 | break; | |
145 | ||
2ab7e1ec | 146 | case FC_NS_GPN_ID: |
1ea2c1da NP |
147 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid), |
148 | FC_FST_DIR, FC_NS_SUBTYPE); | |
149 | ct->payload.gid.fn_fc4_type = FC_TYPE_FCP; | |
2ab7e1ec JE |
150 | hton24(ct->payload.fid.fp_fid, fc_id); |
151 | break; | |
152 | ||
42e9a92f | 153 | case FC_NS_RFT_ID: |
1ea2c1da NP |
154 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft), |
155 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 156 | hton24(ct->payload.rft.fid.fp_fid, lport->port_id); |
42e9a92f RL |
157 | ct->payload.rft.fts = lport->fcts; |
158 | break; | |
159 | ||
ab593b18 | 160 | case FC_NS_RFF_ID: |
1ea2c1da NP |
161 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id), |
162 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 163 | hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id); |
ab593b18 JE |
164 | ct->payload.rff.fr_type = FC_TYPE_FCP; |
165 | if (lport->service_params & FCP_SPPF_INIT_FCN) | |
166 | ct->payload.rff.fr_feat = FCP_FEAT_INIT; | |
167 | if (lport->service_params & FCP_SPPF_TARG_FCN) | |
168 | ct->payload.rff.fr_feat |= FCP_FEAT_TARG; | |
169 | break; | |
170 | ||
c9c7bd7a | 171 | case FC_NS_RNN_ID: |
1ea2c1da NP |
172 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id), |
173 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 174 | hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id); |
c9c7bd7a | 175 | put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn); |
42e9a92f RL |
176 | break; |
177 | ||
c9866a54 | 178 | case FC_NS_RSPN_ID: |
5f9a056d | 179 | len = strnlen(fc_host_symbolic_name(lport->host), 255); |
1ea2c1da NP |
180 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len, |
181 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 182 | hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id); |
c9866a54 | 183 | strncpy(ct->payload.spn.fr_name, |
5f9a056d JE |
184 | fc_host_symbolic_name(lport->host), len); |
185 | ct->payload.spn.fr_name_len = len; | |
c9866a54 CL |
186 | break; |
187 | ||
5baa17c3 | 188 | case FC_NS_RSNN_NN: |
5f9a056d | 189 | len = strnlen(fc_host_symbolic_name(lport->host), 255); |
1ea2c1da NP |
190 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len, |
191 | FC_FST_DIR, FC_NS_SUBTYPE); | |
5baa17c3 CL |
192 | put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn); |
193 | strncpy(ct->payload.snn.fr_name, | |
5f9a056d JE |
194 | fc_host_symbolic_name(lport->host), len); |
195 | ct->payload.snn.fr_name_len = len; | |
5baa17c3 CL |
196 | break; |
197 | ||
42e9a92f | 198 | default: |
42e9a92f RL |
199 | return -EINVAL; |
200 | } | |
201 | *r_ctl = FC_RCTL_DD_UNSOL_CTL; | |
42e9a92f RL |
202 | *fh_type = FC_TYPE_CT; |
203 | return 0; | |
204 | } | |
205 | ||
d78c317f NP |
206 | /** |
207 | * fc_ct_ms_fill() - Fill in a mgmt service request frame | |
208 | * @lport: local port. | |
209 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
210 | * @fp: frame to contain payload. | |
211 | * @op: CT opcode. | |
212 | * @r_ctl: pointer to FC header R_CTL. | |
213 | * @fh_type: pointer to FC-4 type. | |
214 | */ | |
215 | static inline int fc_ct_ms_fill(struct fc_lport *lport, | |
216 | u32 fc_id, struct fc_frame *fp, | |
217 | unsigned int op, enum fc_rctl *r_ctl, | |
218 | enum fc_fh_type *fh_type) | |
219 | { | |
220 | struct fc_ct_req *ct; | |
221 | size_t len; | |
222 | struct fc_fdmi_attr_entry *entry; | |
223 | struct fs_fdmi_attrs *hba_attrs; | |
224 | int numattrs = 0; | |
225 | ||
226 | switch (op) { | |
227 | case FC_FDMI_RHBA: | |
228 | numattrs = 10; | |
229 | len = sizeof(struct fc_fdmi_rhba); | |
230 | len -= sizeof(struct fc_fdmi_attr_entry); | |
231 | len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); | |
232 | len += FC_FDMI_HBA_ATTR_NODENAME_LEN; | |
233 | len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN; | |
234 | len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN; | |
235 | len += FC_FDMI_HBA_ATTR_MODEL_LEN; | |
236 | len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN; | |
237 | len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN; | |
238 | len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN; | |
239 | len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN; | |
240 | len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN; | |
241 | len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN; | |
242 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
243 | FC_FDMI_SUBTYPE); | |
244 | ||
245 | /* HBA Identifier */ | |
246 | put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id); | |
247 | /* Number of Ports - always 1 */ | |
248 | put_unaligned_be32(1, &ct->payload.rhba.port.numport); | |
249 | /* Port Name */ | |
250 | put_unaligned_be64(lport->wwpn, | |
251 | &ct->payload.rhba.port.port[0].portname); | |
252 | ||
253 | /* HBA Attributes */ | |
254 | put_unaligned_be32(numattrs, | |
255 | &ct->payload.rhba.hba_attrs.numattrs); | |
256 | hba_attrs = &ct->payload.rhba.hba_attrs; | |
257 | entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr; | |
258 | /* NodeName*/ | |
259 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
260 | len += FC_FDMI_HBA_ATTR_NODENAME_LEN; | |
261 | put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME, | |
262 | &entry->type); | |
263 | put_unaligned_be16(len, &entry->len); | |
264 | put_unaligned_be64(lport->wwnn, | |
265 | (__be64 *)&entry->value[0]); | |
266 | ||
267 | /* Manufacturer */ | |
268 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
269 | FC_FDMI_HBA_ATTR_NODENAME_LEN); | |
270 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
271 | len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN; | |
272 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER, | |
273 | &entry->type); | |
274 | put_unaligned_be16(len, &entry->len); | |
275 | strncpy((char *)&entry->value, | |
276 | fc_host_manufacturer(lport->host), | |
277 | FC_FDMI_HBA_ATTR_MANUFACTURER_LEN); | |
278 | ||
279 | /* SerialNumber */ | |
280 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
281 | FC_FDMI_HBA_ATTR_MANUFACTURER_LEN); | |
282 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
283 | len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN; | |
284 | put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER, | |
285 | &entry->type); | |
286 | put_unaligned_be16(len, &entry->len); | |
287 | strncpy((char *)&entry->value, | |
288 | fc_host_serial_number(lport->host), | |
289 | FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN); | |
290 | ||
291 | /* Model */ | |
292 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
293 | FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN); | |
294 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
295 | len += FC_FDMI_HBA_ATTR_MODEL_LEN; | |
296 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL, | |
297 | &entry->type); | |
298 | put_unaligned_be16(len, &entry->len); | |
299 | strncpy((char *)&entry->value, | |
300 | fc_host_model(lport->host), | |
301 | FC_FDMI_HBA_ATTR_MODEL_LEN); | |
302 | ||
303 | /* Model Description */ | |
304 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
305 | FC_FDMI_HBA_ATTR_MODEL_LEN); | |
306 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
307 | len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN; | |
308 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION, | |
309 | &entry->type); | |
310 | put_unaligned_be16(len, &entry->len); | |
311 | strncpy((char *)&entry->value, | |
312 | fc_host_model_description(lport->host), | |
313 | FC_FDMI_HBA_ATTR_MODELDESCR_LEN); | |
314 | ||
315 | /* Hardware Version */ | |
316 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
317 | FC_FDMI_HBA_ATTR_MODELDESCR_LEN); | |
318 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
319 | len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN; | |
320 | put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION, | |
321 | &entry->type); | |
322 | put_unaligned_be16(len, &entry->len); | |
323 | strncpy((char *)&entry->value, | |
324 | fc_host_hardware_version(lport->host), | |
325 | FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN); | |
326 | ||
327 | /* Driver Version */ | |
328 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
329 | FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN); | |
330 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
331 | len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN; | |
332 | put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION, | |
333 | &entry->type); | |
334 | put_unaligned_be16(len, &entry->len); | |
335 | strncpy((char *)&entry->value, | |
336 | fc_host_driver_version(lport->host), | |
337 | FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN); | |
338 | ||
339 | /* OptionROM Version */ | |
340 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
341 | FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN); | |
342 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
343 | len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN; | |
344 | put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION, | |
345 | &entry->type); | |
346 | put_unaligned_be16(len, &entry->len); | |
347 | strncpy((char *)&entry->value, | |
348 | fc_host_optionrom_version(lport->host), | |
349 | FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN); | |
350 | ||
351 | /* Firmware Version */ | |
352 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
353 | FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN); | |
354 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
355 | len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN; | |
356 | put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION, | |
357 | &entry->type); | |
358 | put_unaligned_be16(len, &entry->len); | |
359 | strncpy((char *)&entry->value, | |
360 | fc_host_firmware_version(lport->host), | |
361 | FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN); | |
362 | ||
363 | /* OS Name and Version */ | |
364 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
365 | FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN); | |
366 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
367 | len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN; | |
368 | put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION, | |
369 | &entry->type); | |
370 | put_unaligned_be16(len, &entry->len); | |
371 | snprintf((char *)&entry->value, | |
372 | FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN, | |
373 | "%s v%s", | |
374 | init_utsname()->sysname, | |
375 | init_utsname()->release); | |
376 | break; | |
377 | case FC_FDMI_RPA: | |
378 | numattrs = 6; | |
379 | len = sizeof(struct fc_fdmi_rpa); | |
380 | len -= sizeof(struct fc_fdmi_attr_entry); | |
381 | len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); | |
382 | len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN; | |
383 | len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN; | |
384 | len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN; | |
385 | len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN; | |
386 | len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN; | |
387 | len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN; | |
388 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
389 | FC_FDMI_SUBTYPE); | |
390 | ||
391 | /* Port Name */ | |
392 | put_unaligned_be64(lport->wwpn, | |
393 | &ct->payload.rpa.port.portname); | |
394 | ||
395 | /* Port Attributes */ | |
396 | put_unaligned_be32(numattrs, | |
397 | &ct->payload.rpa.hba_attrs.numattrs); | |
398 | ||
399 | hba_attrs = &ct->payload.rpa.hba_attrs; | |
400 | entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr; | |
401 | ||
402 | /* FC4 types */ | |
403 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
404 | len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN; | |
405 | put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES, | |
406 | &entry->type); | |
407 | put_unaligned_be16(len, &entry->len); | |
408 | memcpy(&entry->value, fc_host_supported_fc4s(lport->host), | |
409 | FC_FDMI_PORT_ATTR_FC4TYPES_LEN); | |
410 | ||
411 | /* Supported Speed */ | |
412 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
413 | FC_FDMI_PORT_ATTR_FC4TYPES_LEN); | |
414 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
415 | len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN; | |
416 | put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED, | |
417 | &entry->type); | |
418 | put_unaligned_be16(len, &entry->len); | |
419 | ||
420 | put_unaligned_be32(fc_host_supported_speeds(lport->host), | |
421 | &entry->value); | |
422 | ||
423 | /* Current Port Speed */ | |
424 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
425 | FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN); | |
426 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
427 | len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN; | |
428 | put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED, | |
429 | &entry->type); | |
430 | put_unaligned_be16(len, &entry->len); | |
431 | put_unaligned_be32(lport->link_speed, | |
432 | &entry->value); | |
433 | ||
434 | /* Max Frame Size */ | |
435 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
436 | FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN); | |
437 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
438 | len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN; | |
439 | put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE, | |
440 | &entry->type); | |
441 | put_unaligned_be16(len, &entry->len); | |
442 | put_unaligned_be32(fc_host_maxframe_size(lport->host), | |
443 | &entry->value); | |
444 | ||
445 | /* OS Device Name */ | |
446 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
447 | FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN); | |
448 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
449 | len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN; | |
450 | put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME, | |
451 | &entry->type); | |
452 | put_unaligned_be16(len, &entry->len); | |
453 | /* Use the sysfs device name */ | |
454 | strncpy((char *)&entry->value, | |
455 | dev_name(&lport->host->shost_gendev), | |
456 | strnlen(dev_name(&lport->host->shost_gendev), | |
457 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN)); | |
458 | ||
459 | /* Host Name */ | |
460 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
461 | FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN); | |
462 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
463 | len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN; | |
464 | put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME, | |
465 | &entry->type); | |
466 | put_unaligned_be16(len, &entry->len); | |
467 | if (strlen(fc_host_system_hostname(lport->host))) | |
468 | strncpy((char *)&entry->value, | |
469 | fc_host_system_hostname(lport->host), | |
470 | strnlen(fc_host_system_hostname(lport->host), | |
471 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN)); | |
472 | else | |
473 | strncpy((char *)&entry->value, | |
474 | init_utsname()->nodename, | |
475 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN); | |
476 | break; | |
477 | case FC_FDMI_DPRT: | |
478 | len = sizeof(struct fc_fdmi_dprt); | |
479 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
480 | FC_FDMI_SUBTYPE); | |
481 | /* Port Name */ | |
482 | put_unaligned_be64(lport->wwpn, | |
483 | &ct->payload.dprt.port.portname); | |
484 | break; | |
485 | case FC_FDMI_DHBA: | |
486 | len = sizeof(struct fc_fdmi_dhba); | |
487 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
488 | FC_FDMI_SUBTYPE); | |
489 | /* HBA Identifier */ | |
490 | put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id); | |
491 | break; | |
492 | default: | |
493 | return -EINVAL; | |
494 | } | |
495 | *r_ctl = FC_RCTL_DD_UNSOL_CTL; | |
496 | *fh_type = FC_TYPE_CT; | |
497 | return 0; | |
498 | } | |
499 | ||
1ea2c1da NP |
500 | /** |
501 | * fc_ct_fill() - Fill in a common transport service request frame | |
502 | * @lport: local port. | |
503 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
504 | * @fp: frame to contain payload. | |
505 | * @op: CT opcode. | |
506 | * @r_ctl: pointer to FC header R_CTL. | |
507 | * @fh_type: pointer to FC-4 type. | |
508 | */ | |
509 | static inline int fc_ct_fill(struct fc_lport *lport, | |
510 | u32 fc_id, struct fc_frame *fp, | |
511 | unsigned int op, enum fc_rctl *r_ctl, | |
512 | enum fc_fh_type *fh_type, u32 *did) | |
513 | { | |
514 | int rc = -EINVAL; | |
515 | ||
516 | switch (fc_id) { | |
d78c317f NP |
517 | case FC_FID_MGMT_SERV: |
518 | rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type); | |
519 | *did = FC_FID_MGMT_SERV; | |
520 | break; | |
1ea2c1da NP |
521 | case FC_FID_DIR_SERV: |
522 | default: | |
523 | rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type); | |
524 | *did = FC_FID_DIR_SERV; | |
525 | break; | |
526 | } | |
527 | ||
528 | return rc; | |
529 | } | |
42e9a92f RL |
530 | /** |
531 | * fc_plogi_fill - Fill in plogi request frame | |
532 | */ | |
533 | static inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp, | |
534 | unsigned int op) | |
535 | { | |
536 | struct fc_els_flogi *plogi; | |
537 | struct fc_els_csp *csp; | |
538 | struct fc_els_cssp *cp; | |
539 | ||
540 | plogi = fc_frame_payload_get(fp, sizeof(*plogi)); | |
541 | memset(plogi, 0, sizeof(*plogi)); | |
542 | plogi->fl_cmd = (u8) op; | |
543 | put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn); | |
544 | put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn); | |
545 | ||
546 | csp = &plogi->fl_csp; | |
547 | csp->sp_hi_ver = 0x20; | |
548 | csp->sp_lo_ver = 0x20; | |
549 | csp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
550 | csp->sp_bb_data = htons((u16) lport->mfs); | |
551 | cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */ | |
552 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
553 | csp->sp_features = htons(FC_SP_FT_CIRO); | |
554 | csp->sp_tot_seq = htons(255); /* seq. we accept */ | |
555 | csp->sp_rel_off = htons(0x1f); | |
556 | csp->sp_e_d_tov = htonl(lport->e_d_tov); | |
557 | ||
558 | cp->cp_rdfs = htons((u16) lport->mfs); | |
559 | cp->cp_con_seq = htons(255); | |
560 | cp->cp_open_seq = 1; | |
561 | } | |
562 | ||
563 | /** | |
564 | * fc_flogi_fill - Fill in a flogi request frame. | |
565 | */ | |
566 | static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp) | |
567 | { | |
568 | struct fc_els_csp *sp; | |
569 | struct fc_els_cssp *cp; | |
570 | struct fc_els_flogi *flogi; | |
571 | ||
572 | flogi = fc_frame_payload_get(fp, sizeof(*flogi)); | |
573 | memset(flogi, 0, sizeof(*flogi)); | |
574 | flogi->fl_cmd = (u8) ELS_FLOGI; | |
575 | put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn); | |
576 | put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn); | |
577 | sp = &flogi->fl_csp; | |
578 | sp->sp_hi_ver = 0x20; | |
579 | sp->sp_lo_ver = 0x20; | |
580 | sp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
581 | sp->sp_bb_data = htons((u16) lport->mfs); | |
582 | cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */ | |
583 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
db36c06c CL |
584 | if (lport->does_npiv) |
585 | sp->sp_features = htons(FC_SP_FT_NPIV); | |
586 | } | |
587 | ||
588 | /** | |
589 | * fc_fdisc_fill - Fill in a fdisc request frame. | |
590 | */ | |
591 | static inline void fc_fdisc_fill(struct fc_lport *lport, struct fc_frame *fp) | |
592 | { | |
593 | struct fc_els_csp *sp; | |
594 | struct fc_els_cssp *cp; | |
595 | struct fc_els_flogi *fdisc; | |
596 | ||
597 | fdisc = fc_frame_payload_get(fp, sizeof(*fdisc)); | |
598 | memset(fdisc, 0, sizeof(*fdisc)); | |
599 | fdisc->fl_cmd = (u8) ELS_FDISC; | |
600 | put_unaligned_be64(lport->wwpn, &fdisc->fl_wwpn); | |
601 | put_unaligned_be64(lport->wwnn, &fdisc->fl_wwnn); | |
602 | sp = &fdisc->fl_csp; | |
603 | sp->sp_hi_ver = 0x20; | |
604 | sp->sp_lo_ver = 0x20; | |
605 | sp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
606 | sp->sp_bb_data = htons((u16) lport->mfs); | |
607 | cp = &fdisc->fl_cssp[3 - 1]; /* class 3 parameters */ | |
608 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
42e9a92f RL |
609 | } |
610 | ||
611 | /** | |
612 | * fc_logo_fill - Fill in a logo request frame. | |
613 | */ | |
614 | static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp) | |
615 | { | |
616 | struct fc_els_logo *logo; | |
617 | ||
618 | logo = fc_frame_payload_get(fp, sizeof(*logo)); | |
619 | memset(logo, 0, sizeof(*logo)); | |
620 | logo->fl_cmd = ELS_LOGO; | |
7b2787ec | 621 | hton24(logo->fl_n_port_id, lport->port_id); |
42e9a92f RL |
622 | logo->fl_n_port_wwn = htonll(lport->wwpn); |
623 | } | |
624 | ||
625 | /** | |
626 | * fc_rtv_fill - Fill in RTV (read timeout value) request frame. | |
627 | */ | |
628 | static inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp) | |
629 | { | |
630 | struct fc_els_rtv *rtv; | |
631 | ||
632 | rtv = fc_frame_payload_get(fp, sizeof(*rtv)); | |
633 | memset(rtv, 0, sizeof(*rtv)); | |
634 | rtv->rtv_cmd = ELS_RTV; | |
635 | } | |
636 | ||
637 | /** | |
638 | * fc_rec_fill - Fill in rec request frame | |
639 | */ | |
640 | static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp) | |
641 | { | |
642 | struct fc_els_rec *rec; | |
643 | struct fc_exch *ep = fc_seq_exch(fr_seq(fp)); | |
644 | ||
645 | rec = fc_frame_payload_get(fp, sizeof(*rec)); | |
646 | memset(rec, 0, sizeof(*rec)); | |
647 | rec->rec_cmd = ELS_REC; | |
7b2787ec | 648 | hton24(rec->rec_s_id, lport->port_id); |
42e9a92f RL |
649 | rec->rec_ox_id = htons(ep->oxid); |
650 | rec->rec_rx_id = htons(ep->rxid); | |
651 | } | |
652 | ||
653 | /** | |
654 | * fc_prli_fill - Fill in prli request frame | |
655 | */ | |
656 | static inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp) | |
657 | { | |
658 | struct { | |
659 | struct fc_els_prli prli; | |
660 | struct fc_els_spp spp; | |
661 | } *pp; | |
662 | ||
663 | pp = fc_frame_payload_get(fp, sizeof(*pp)); | |
664 | memset(pp, 0, sizeof(*pp)); | |
665 | pp->prli.prli_cmd = ELS_PRLI; | |
666 | pp->prli.prli_spp_len = sizeof(struct fc_els_spp); | |
667 | pp->prli.prli_len = htons(sizeof(*pp)); | |
668 | pp->spp.spp_type = FC_TYPE_FCP; | |
669 | pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR; | |
670 | pp->spp.spp_params = htonl(lport->service_params); | |
671 | } | |
672 | ||
673 | /** | |
674 | * fc_scr_fill - Fill in a scr request frame. | |
675 | */ | |
676 | static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp) | |
677 | { | |
678 | struct fc_els_scr *scr; | |
679 | ||
680 | scr = fc_frame_payload_get(fp, sizeof(*scr)); | |
681 | memset(scr, 0, sizeof(*scr)); | |
682 | scr->scr_cmd = ELS_SCR; | |
683 | scr->scr_reg_func = ELS_SCRF_FULL; | |
684 | } | |
685 | ||
686 | /** | |
687 | * fc_els_fill - Fill in an ELS request frame | |
688 | */ | |
9fb9d328 | 689 | static inline int fc_els_fill(struct fc_lport *lport, |
a46f327a | 690 | u32 did, |
42e9a92f | 691 | struct fc_frame *fp, unsigned int op, |
a46f327a | 692 | enum fc_rctl *r_ctl, enum fc_fh_type *fh_type) |
42e9a92f RL |
693 | { |
694 | switch (op) { | |
370c3bd0 JE |
695 | case ELS_ADISC: |
696 | fc_adisc_fill(lport, fp); | |
697 | break; | |
698 | ||
42e9a92f RL |
699 | case ELS_PLOGI: |
700 | fc_plogi_fill(lport, fp, ELS_PLOGI); | |
42e9a92f RL |
701 | break; |
702 | ||
703 | case ELS_FLOGI: | |
704 | fc_flogi_fill(lport, fp); | |
42e9a92f RL |
705 | break; |
706 | ||
db36c06c CL |
707 | case ELS_FDISC: |
708 | fc_fdisc_fill(lport, fp); | |
709 | break; | |
710 | ||
42e9a92f RL |
711 | case ELS_LOGO: |
712 | fc_logo_fill(lport, fp); | |
42e9a92f RL |
713 | break; |
714 | ||
715 | case ELS_RTV: | |
716 | fc_rtv_fill(lport, fp); | |
42e9a92f RL |
717 | break; |
718 | ||
719 | case ELS_REC: | |
720 | fc_rec_fill(lport, fp); | |
42e9a92f RL |
721 | break; |
722 | ||
723 | case ELS_PRLI: | |
724 | fc_prli_fill(lport, fp); | |
42e9a92f RL |
725 | break; |
726 | ||
727 | case ELS_SCR: | |
728 | fc_scr_fill(lport, fp); | |
42e9a92f RL |
729 | break; |
730 | ||
731 | default: | |
42e9a92f RL |
732 | return -EINVAL; |
733 | } | |
734 | ||
735 | *r_ctl = FC_RCTL_ELS_REQ; | |
736 | *fh_type = FC_TYPE_ELS; | |
737 | return 0; | |
738 | } | |
739 | #endif /* _FC_ENCODE_H_ */ |