Commit | Line | Data |
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a61127c2 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
42e9a92f RL |
2 | /* |
3 | * Copyright(c) 2008 Intel Corporation. All rights reserved. | |
4 | * | |
42e9a92f RL |
5 | * Maintained at www.Open-FCoE.org |
6 | */ | |
7 | ||
8 | #ifndef _FC_ENCODE_H_ | |
9 | #define _FC_ENCODE_H_ | |
10 | #include <asm/unaligned.h> | |
d78c317f | 11 | #include <linux/utsname.h> |
42e9a92f | 12 | |
24f089e2 JE |
13 | /* |
14 | * F_CTL values for simple requests and responses. | |
15 | */ | |
16 | #define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT) | |
17 | #define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \ | |
18 | FC_FC_END_SEQ | FC_FC_SEQ_INIT) | |
19 | ||
42e9a92f RL |
20 | struct fc_ns_rft { |
21 | struct fc_ns_fid fid; /* port ID object */ | |
22 | struct fc_ns_fts fts; /* FC4-types object */ | |
23 | }; | |
24 | ||
25 | struct fc_ct_req { | |
26 | struct fc_ct_hdr hdr; | |
27 | union { | |
28 | struct fc_ns_gid_ft gid; | |
29 | struct fc_ns_rn_id rn; | |
30 | struct fc_ns_rft rft; | |
ab593b18 | 31 | struct fc_ns_rff_id rff; |
2ab7e1ec | 32 | struct fc_ns_fid fid; |
5baa17c3 | 33 | struct fc_ns_rsnn snn; |
c9866a54 | 34 | struct fc_ns_rspn spn; |
d78c317f NP |
35 | struct fc_fdmi_rhba rhba; |
36 | struct fc_fdmi_rpa rpa; | |
37 | struct fc_fdmi_dprt dprt; | |
38 | struct fc_fdmi_dhba dhba; | |
42e9a92f RL |
39 | } payload; |
40 | }; | |
41 | ||
059f04d4 BPG |
42 | static inline void __fc_fill_fc_hdr(struct fc_frame_header *fh, |
43 | enum fc_rctl r_ctl, | |
44 | u32 did, u32 sid, enum fc_fh_type type, | |
45 | u32 f_ctl, u32 parm_offset) | |
42e9a92f | 46 | { |
42e9a92f RL |
47 | WARN_ON(r_ctl == 0); |
48 | fh->fh_r_ctl = r_ctl; | |
49 | hton24(fh->fh_d_id, did); | |
50 | hton24(fh->fh_s_id, sid); | |
51 | fh->fh_type = type; | |
52 | hton24(fh->fh_f_ctl, f_ctl); | |
53 | fh->fh_cs_ctl = 0; | |
54 | fh->fh_df_ctl = 0; | |
55 | fh->fh_parm_offset = htonl(parm_offset); | |
56 | } | |
57 | ||
059f04d4 BPG |
58 | /** |
59 | * fill FC header fields in specified fc_frame | |
60 | */ | |
61 | static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl, | |
62 | u32 did, u32 sid, enum fc_fh_type type, | |
63 | u32 f_ctl, u32 parm_offset) | |
64 | { | |
65 | struct fc_frame_header *fh; | |
66 | ||
67 | fh = fc_frame_header_get(fp); | |
68 | __fc_fill_fc_hdr(fh, r_ctl, did, sid, type, f_ctl, parm_offset); | |
69 | } | |
70 | ||
370c3bd0 JE |
71 | /** |
72 | * fc_adisc_fill() - Fill in adisc request frame | |
73 | * @lport: local port. | |
74 | * @fp: fc frame where payload will be placed. | |
75 | */ | |
76 | static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp) | |
77 | { | |
78 | struct fc_els_adisc *adisc; | |
79 | ||
80 | adisc = fc_frame_payload_get(fp, sizeof(*adisc)); | |
81 | memset(adisc, 0, sizeof(*adisc)); | |
82 | adisc->adisc_cmd = ELS_ADISC; | |
83 | put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn); | |
84 | put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn); | |
7b2787ec | 85 | hton24(adisc->adisc_port_id, lport->port_id); |
370c3bd0 JE |
86 | } |
87 | ||
42e9a92f RL |
88 | /** |
89 | * fc_ct_hdr_fill- fills ct header and reset ct payload | |
90 | * returns pointer to ct request. | |
91 | */ | |
92 | static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp, | |
1ea2c1da NP |
93 | unsigned int op, size_t req_size, |
94 | enum fc_ct_fs_type fs_type, | |
95 | u8 subtype) | |
42e9a92f RL |
96 | { |
97 | struct fc_ct_req *ct; | |
98 | size_t ct_plen; | |
99 | ||
100 | ct_plen = sizeof(struct fc_ct_hdr) + req_size; | |
101 | ct = fc_frame_payload_get(fp, ct_plen); | |
102 | memset(ct, 0, ct_plen); | |
103 | ct->hdr.ct_rev = FC_CT_REV; | |
1ea2c1da NP |
104 | ct->hdr.ct_fs_type = fs_type; |
105 | ct->hdr.ct_fs_subtype = subtype; | |
42e9a92f RL |
106 | ct->hdr.ct_cmd = htons((u16) op); |
107 | return ct; | |
108 | } | |
109 | ||
110 | /** | |
1ea2c1da | 111 | * fc_ct_ns_fill() - Fill in a name service request frame |
2ab7e1ec JE |
112 | * @lport: local port. |
113 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
114 | * @fp: frame to contain payload. | |
115 | * @op: CT opcode. | |
116 | * @r_ctl: pointer to FC header R_CTL. | |
117 | * @fh_type: pointer to FC-4 type. | |
42e9a92f | 118 | */ |
1ea2c1da | 119 | static inline int fc_ct_ns_fill(struct fc_lport *lport, |
2ab7e1ec | 120 | u32 fc_id, struct fc_frame *fp, |
a46f327a | 121 | unsigned int op, enum fc_rctl *r_ctl, |
42e9a92f RL |
122 | enum fc_fh_type *fh_type) |
123 | { | |
124 | struct fc_ct_req *ct; | |
5f9a056d | 125 | size_t len; |
42e9a92f RL |
126 | |
127 | switch (op) { | |
128 | case FC_NS_GPN_FT: | |
1ea2c1da NP |
129 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft), |
130 | FC_FST_DIR, FC_NS_SUBTYPE); | |
42e9a92f RL |
131 | ct->payload.gid.fn_fc4_type = FC_TYPE_FCP; |
132 | break; | |
133 | ||
2ab7e1ec | 134 | case FC_NS_GPN_ID: |
1ea2c1da NP |
135 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid), |
136 | FC_FST_DIR, FC_NS_SUBTYPE); | |
137 | ct->payload.gid.fn_fc4_type = FC_TYPE_FCP; | |
2ab7e1ec JE |
138 | hton24(ct->payload.fid.fp_fid, fc_id); |
139 | break; | |
140 | ||
42e9a92f | 141 | case FC_NS_RFT_ID: |
1ea2c1da NP |
142 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft), |
143 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 144 | hton24(ct->payload.rft.fid.fp_fid, lport->port_id); |
42e9a92f RL |
145 | ct->payload.rft.fts = lport->fcts; |
146 | break; | |
147 | ||
ab593b18 | 148 | case FC_NS_RFF_ID: |
1ea2c1da NP |
149 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id), |
150 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 151 | hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id); |
ab593b18 JE |
152 | ct->payload.rff.fr_type = FC_TYPE_FCP; |
153 | if (lport->service_params & FCP_SPPF_INIT_FCN) | |
154 | ct->payload.rff.fr_feat = FCP_FEAT_INIT; | |
155 | if (lport->service_params & FCP_SPPF_TARG_FCN) | |
156 | ct->payload.rff.fr_feat |= FCP_FEAT_TARG; | |
157 | break; | |
158 | ||
c9c7bd7a | 159 | case FC_NS_RNN_ID: |
1ea2c1da NP |
160 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id), |
161 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 162 | hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id); |
c9c7bd7a | 163 | put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn); |
42e9a92f RL |
164 | break; |
165 | ||
c9866a54 | 166 | case FC_NS_RSPN_ID: |
5f9a056d | 167 | len = strnlen(fc_host_symbolic_name(lport->host), 255); |
1ea2c1da NP |
168 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len, |
169 | FC_FST_DIR, FC_NS_SUBTYPE); | |
7b2787ec | 170 | hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id); |
c9866a54 | 171 | strncpy(ct->payload.spn.fr_name, |
5f9a056d JE |
172 | fc_host_symbolic_name(lport->host), len); |
173 | ct->payload.spn.fr_name_len = len; | |
c9866a54 CL |
174 | break; |
175 | ||
5baa17c3 | 176 | case FC_NS_RSNN_NN: |
5f9a056d | 177 | len = strnlen(fc_host_symbolic_name(lport->host), 255); |
1ea2c1da NP |
178 | ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len, |
179 | FC_FST_DIR, FC_NS_SUBTYPE); | |
5baa17c3 CL |
180 | put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn); |
181 | strncpy(ct->payload.snn.fr_name, | |
5f9a056d JE |
182 | fc_host_symbolic_name(lport->host), len); |
183 | ct->payload.snn.fr_name_len = len; | |
5baa17c3 CL |
184 | break; |
185 | ||
42e9a92f | 186 | default: |
42e9a92f RL |
187 | return -EINVAL; |
188 | } | |
189 | *r_ctl = FC_RCTL_DD_UNSOL_CTL; | |
42e9a92f RL |
190 | *fh_type = FC_TYPE_CT; |
191 | return 0; | |
192 | } | |
193 | ||
d78c317f NP |
194 | /** |
195 | * fc_ct_ms_fill() - Fill in a mgmt service request frame | |
196 | * @lport: local port. | |
197 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
198 | * @fp: frame to contain payload. | |
199 | * @op: CT opcode. | |
200 | * @r_ctl: pointer to FC header R_CTL. | |
201 | * @fh_type: pointer to FC-4 type. | |
202 | */ | |
203 | static inline int fc_ct_ms_fill(struct fc_lport *lport, | |
204 | u32 fc_id, struct fc_frame *fp, | |
205 | unsigned int op, enum fc_rctl *r_ctl, | |
206 | enum fc_fh_type *fh_type) | |
207 | { | |
208 | struct fc_ct_req *ct; | |
209 | size_t len; | |
210 | struct fc_fdmi_attr_entry *entry; | |
211 | struct fs_fdmi_attrs *hba_attrs; | |
212 | int numattrs = 0; | |
213 | ||
214 | switch (op) { | |
215 | case FC_FDMI_RHBA: | |
216 | numattrs = 10; | |
217 | len = sizeof(struct fc_fdmi_rhba); | |
218 | len -= sizeof(struct fc_fdmi_attr_entry); | |
219 | len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); | |
220 | len += FC_FDMI_HBA_ATTR_NODENAME_LEN; | |
221 | len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN; | |
222 | len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN; | |
223 | len += FC_FDMI_HBA_ATTR_MODEL_LEN; | |
224 | len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN; | |
225 | len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN; | |
226 | len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN; | |
227 | len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN; | |
228 | len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN; | |
229 | len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN; | |
230 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
231 | FC_FDMI_SUBTYPE); | |
232 | ||
233 | /* HBA Identifier */ | |
234 | put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id); | |
235 | /* Number of Ports - always 1 */ | |
236 | put_unaligned_be32(1, &ct->payload.rhba.port.numport); | |
237 | /* Port Name */ | |
238 | put_unaligned_be64(lport->wwpn, | |
239 | &ct->payload.rhba.port.port[0].portname); | |
240 | ||
241 | /* HBA Attributes */ | |
242 | put_unaligned_be32(numattrs, | |
243 | &ct->payload.rhba.hba_attrs.numattrs); | |
244 | hba_attrs = &ct->payload.rhba.hba_attrs; | |
245 | entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr; | |
246 | /* NodeName*/ | |
247 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
248 | len += FC_FDMI_HBA_ATTR_NODENAME_LEN; | |
249 | put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME, | |
250 | &entry->type); | |
251 | put_unaligned_be16(len, &entry->len); | |
252 | put_unaligned_be64(lport->wwnn, | |
253 | (__be64 *)&entry->value[0]); | |
254 | ||
255 | /* Manufacturer */ | |
256 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
257 | FC_FDMI_HBA_ATTR_NODENAME_LEN); | |
258 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
259 | len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN; | |
260 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER, | |
261 | &entry->type); | |
262 | put_unaligned_be16(len, &entry->len); | |
263 | strncpy((char *)&entry->value, | |
264 | fc_host_manufacturer(lport->host), | |
265 | FC_FDMI_HBA_ATTR_MANUFACTURER_LEN); | |
266 | ||
267 | /* SerialNumber */ | |
268 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
269 | FC_FDMI_HBA_ATTR_MANUFACTURER_LEN); | |
270 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
271 | len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN; | |
272 | put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER, | |
273 | &entry->type); | |
274 | put_unaligned_be16(len, &entry->len); | |
275 | strncpy((char *)&entry->value, | |
276 | fc_host_serial_number(lport->host), | |
277 | FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN); | |
278 | ||
279 | /* Model */ | |
280 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
281 | FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN); | |
282 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
283 | len += FC_FDMI_HBA_ATTR_MODEL_LEN; | |
284 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL, | |
285 | &entry->type); | |
286 | put_unaligned_be16(len, &entry->len); | |
287 | strncpy((char *)&entry->value, | |
288 | fc_host_model(lport->host), | |
289 | FC_FDMI_HBA_ATTR_MODEL_LEN); | |
290 | ||
291 | /* Model Description */ | |
292 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
293 | FC_FDMI_HBA_ATTR_MODEL_LEN); | |
294 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
295 | len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN; | |
296 | put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION, | |
297 | &entry->type); | |
298 | put_unaligned_be16(len, &entry->len); | |
299 | strncpy((char *)&entry->value, | |
300 | fc_host_model_description(lport->host), | |
301 | FC_FDMI_HBA_ATTR_MODELDESCR_LEN); | |
302 | ||
303 | /* Hardware Version */ | |
304 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
305 | FC_FDMI_HBA_ATTR_MODELDESCR_LEN); | |
306 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
307 | len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN; | |
308 | put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION, | |
309 | &entry->type); | |
310 | put_unaligned_be16(len, &entry->len); | |
311 | strncpy((char *)&entry->value, | |
312 | fc_host_hardware_version(lport->host), | |
313 | FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN); | |
314 | ||
315 | /* Driver Version */ | |
316 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
317 | FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN); | |
318 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
319 | len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN; | |
320 | put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION, | |
321 | &entry->type); | |
322 | put_unaligned_be16(len, &entry->len); | |
323 | strncpy((char *)&entry->value, | |
324 | fc_host_driver_version(lport->host), | |
325 | FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN); | |
326 | ||
327 | /* OptionROM Version */ | |
328 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
329 | FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN); | |
330 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
331 | len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN; | |
332 | put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION, | |
333 | &entry->type); | |
334 | put_unaligned_be16(len, &entry->len); | |
335 | strncpy((char *)&entry->value, | |
336 | fc_host_optionrom_version(lport->host), | |
337 | FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN); | |
338 | ||
339 | /* Firmware Version */ | |
340 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
341 | FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN); | |
342 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
343 | len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN; | |
344 | put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION, | |
345 | &entry->type); | |
346 | put_unaligned_be16(len, &entry->len); | |
347 | strncpy((char *)&entry->value, | |
348 | fc_host_firmware_version(lport->host), | |
349 | FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN); | |
350 | ||
351 | /* OS Name and Version */ | |
352 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
353 | FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN); | |
354 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
355 | len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN; | |
356 | put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION, | |
357 | &entry->type); | |
358 | put_unaligned_be16(len, &entry->len); | |
359 | snprintf((char *)&entry->value, | |
360 | FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN, | |
361 | "%s v%s", | |
362 | init_utsname()->sysname, | |
363 | init_utsname()->release); | |
364 | break; | |
365 | case FC_FDMI_RPA: | |
366 | numattrs = 6; | |
367 | len = sizeof(struct fc_fdmi_rpa); | |
368 | len -= sizeof(struct fc_fdmi_attr_entry); | |
369 | len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); | |
370 | len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN; | |
371 | len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN; | |
372 | len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN; | |
373 | len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN; | |
374 | len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN; | |
375 | len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN; | |
376 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
377 | FC_FDMI_SUBTYPE); | |
378 | ||
379 | /* Port Name */ | |
380 | put_unaligned_be64(lport->wwpn, | |
381 | &ct->payload.rpa.port.portname); | |
382 | ||
383 | /* Port Attributes */ | |
384 | put_unaligned_be32(numattrs, | |
385 | &ct->payload.rpa.hba_attrs.numattrs); | |
386 | ||
387 | hba_attrs = &ct->payload.rpa.hba_attrs; | |
388 | entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr; | |
389 | ||
390 | /* FC4 types */ | |
391 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
392 | len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN; | |
393 | put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES, | |
394 | &entry->type); | |
395 | put_unaligned_be16(len, &entry->len); | |
396 | memcpy(&entry->value, fc_host_supported_fc4s(lport->host), | |
397 | FC_FDMI_PORT_ATTR_FC4TYPES_LEN); | |
398 | ||
399 | /* Supported Speed */ | |
400 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
401 | FC_FDMI_PORT_ATTR_FC4TYPES_LEN); | |
402 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
403 | len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN; | |
404 | put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED, | |
405 | &entry->type); | |
406 | put_unaligned_be16(len, &entry->len); | |
407 | ||
408 | put_unaligned_be32(fc_host_supported_speeds(lport->host), | |
409 | &entry->value); | |
410 | ||
411 | /* Current Port Speed */ | |
412 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
413 | FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN); | |
414 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
415 | len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN; | |
416 | put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED, | |
417 | &entry->type); | |
418 | put_unaligned_be16(len, &entry->len); | |
419 | put_unaligned_be32(lport->link_speed, | |
420 | &entry->value); | |
421 | ||
422 | /* Max Frame Size */ | |
423 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
424 | FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN); | |
425 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
426 | len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN; | |
427 | put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE, | |
428 | &entry->type); | |
429 | put_unaligned_be16(len, &entry->len); | |
430 | put_unaligned_be32(fc_host_maxframe_size(lport->host), | |
431 | &entry->value); | |
432 | ||
433 | /* OS Device Name */ | |
434 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
435 | FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN); | |
436 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
437 | len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN; | |
438 | put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME, | |
439 | &entry->type); | |
440 | put_unaligned_be16(len, &entry->len); | |
441 | /* Use the sysfs device name */ | |
442 | strncpy((char *)&entry->value, | |
443 | dev_name(&lport->host->shost_gendev), | |
444 | strnlen(dev_name(&lport->host->shost_gendev), | |
445 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN)); | |
446 | ||
447 | /* Host Name */ | |
448 | entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + | |
449 | FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN); | |
450 | len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; | |
451 | len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN; | |
452 | put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME, | |
453 | &entry->type); | |
454 | put_unaligned_be16(len, &entry->len); | |
455 | if (strlen(fc_host_system_hostname(lport->host))) | |
456 | strncpy((char *)&entry->value, | |
457 | fc_host_system_hostname(lport->host), | |
458 | strnlen(fc_host_system_hostname(lport->host), | |
459 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN)); | |
460 | else | |
461 | strncpy((char *)&entry->value, | |
462 | init_utsname()->nodename, | |
463 | FC_FDMI_PORT_ATTR_HOSTNAME_LEN); | |
464 | break; | |
465 | case FC_FDMI_DPRT: | |
466 | len = sizeof(struct fc_fdmi_dprt); | |
467 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
468 | FC_FDMI_SUBTYPE); | |
469 | /* Port Name */ | |
470 | put_unaligned_be64(lport->wwpn, | |
471 | &ct->payload.dprt.port.portname); | |
472 | break; | |
473 | case FC_FDMI_DHBA: | |
474 | len = sizeof(struct fc_fdmi_dhba); | |
475 | ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT, | |
476 | FC_FDMI_SUBTYPE); | |
477 | /* HBA Identifier */ | |
478 | put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id); | |
479 | break; | |
480 | default: | |
481 | return -EINVAL; | |
482 | } | |
483 | *r_ctl = FC_RCTL_DD_UNSOL_CTL; | |
484 | *fh_type = FC_TYPE_CT; | |
485 | return 0; | |
486 | } | |
487 | ||
1ea2c1da NP |
488 | /** |
489 | * fc_ct_fill() - Fill in a common transport service request frame | |
490 | * @lport: local port. | |
491 | * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. | |
492 | * @fp: frame to contain payload. | |
493 | * @op: CT opcode. | |
494 | * @r_ctl: pointer to FC header R_CTL. | |
495 | * @fh_type: pointer to FC-4 type. | |
496 | */ | |
497 | static inline int fc_ct_fill(struct fc_lport *lport, | |
498 | u32 fc_id, struct fc_frame *fp, | |
499 | unsigned int op, enum fc_rctl *r_ctl, | |
500 | enum fc_fh_type *fh_type, u32 *did) | |
501 | { | |
502 | int rc = -EINVAL; | |
503 | ||
504 | switch (fc_id) { | |
d78c317f NP |
505 | case FC_FID_MGMT_SERV: |
506 | rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type); | |
507 | *did = FC_FID_MGMT_SERV; | |
508 | break; | |
1ea2c1da NP |
509 | case FC_FID_DIR_SERV: |
510 | default: | |
511 | rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type); | |
512 | *did = FC_FID_DIR_SERV; | |
513 | break; | |
514 | } | |
515 | ||
516 | return rc; | |
517 | } | |
42e9a92f RL |
518 | /** |
519 | * fc_plogi_fill - Fill in plogi request frame | |
520 | */ | |
521 | static inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp, | |
522 | unsigned int op) | |
523 | { | |
524 | struct fc_els_flogi *plogi; | |
525 | struct fc_els_csp *csp; | |
526 | struct fc_els_cssp *cp; | |
527 | ||
528 | plogi = fc_frame_payload_get(fp, sizeof(*plogi)); | |
529 | memset(plogi, 0, sizeof(*plogi)); | |
530 | plogi->fl_cmd = (u8) op; | |
531 | put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn); | |
532 | put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn); | |
533 | ||
534 | csp = &plogi->fl_csp; | |
535 | csp->sp_hi_ver = 0x20; | |
536 | csp->sp_lo_ver = 0x20; | |
537 | csp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
538 | csp->sp_bb_data = htons((u16) lport->mfs); | |
539 | cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */ | |
540 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
541 | csp->sp_features = htons(FC_SP_FT_CIRO); | |
542 | csp->sp_tot_seq = htons(255); /* seq. we accept */ | |
543 | csp->sp_rel_off = htons(0x1f); | |
544 | csp->sp_e_d_tov = htonl(lport->e_d_tov); | |
545 | ||
546 | cp->cp_rdfs = htons((u16) lport->mfs); | |
547 | cp->cp_con_seq = htons(255); | |
548 | cp->cp_open_seq = 1; | |
549 | } | |
550 | ||
551 | /** | |
552 | * fc_flogi_fill - Fill in a flogi request frame. | |
553 | */ | |
554 | static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp) | |
555 | { | |
556 | struct fc_els_csp *sp; | |
557 | struct fc_els_cssp *cp; | |
558 | struct fc_els_flogi *flogi; | |
559 | ||
560 | flogi = fc_frame_payload_get(fp, sizeof(*flogi)); | |
561 | memset(flogi, 0, sizeof(*flogi)); | |
562 | flogi->fl_cmd = (u8) ELS_FLOGI; | |
563 | put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn); | |
564 | put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn); | |
565 | sp = &flogi->fl_csp; | |
566 | sp->sp_hi_ver = 0x20; | |
567 | sp->sp_lo_ver = 0x20; | |
568 | sp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
569 | sp->sp_bb_data = htons((u16) lport->mfs); | |
570 | cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */ | |
571 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
db36c06c CL |
572 | if (lport->does_npiv) |
573 | sp->sp_features = htons(FC_SP_FT_NPIV); | |
574 | } | |
575 | ||
576 | /** | |
577 | * fc_fdisc_fill - Fill in a fdisc request frame. | |
578 | */ | |
579 | static inline void fc_fdisc_fill(struct fc_lport *lport, struct fc_frame *fp) | |
580 | { | |
581 | struct fc_els_csp *sp; | |
582 | struct fc_els_cssp *cp; | |
583 | struct fc_els_flogi *fdisc; | |
584 | ||
585 | fdisc = fc_frame_payload_get(fp, sizeof(*fdisc)); | |
586 | memset(fdisc, 0, sizeof(*fdisc)); | |
587 | fdisc->fl_cmd = (u8) ELS_FDISC; | |
588 | put_unaligned_be64(lport->wwpn, &fdisc->fl_wwpn); | |
589 | put_unaligned_be64(lport->wwnn, &fdisc->fl_wwnn); | |
590 | sp = &fdisc->fl_csp; | |
591 | sp->sp_hi_ver = 0x20; | |
592 | sp->sp_lo_ver = 0x20; | |
593 | sp->sp_bb_cred = htons(10); /* this gets set by gateway */ | |
594 | sp->sp_bb_data = htons((u16) lport->mfs); | |
595 | cp = &fdisc->fl_cssp[3 - 1]; /* class 3 parameters */ | |
596 | cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); | |
42e9a92f RL |
597 | } |
598 | ||
599 | /** | |
600 | * fc_logo_fill - Fill in a logo request frame. | |
601 | */ | |
602 | static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp) | |
603 | { | |
604 | struct fc_els_logo *logo; | |
605 | ||
606 | logo = fc_frame_payload_get(fp, sizeof(*logo)); | |
607 | memset(logo, 0, sizeof(*logo)); | |
608 | logo->fl_cmd = ELS_LOGO; | |
7b2787ec | 609 | hton24(logo->fl_n_port_id, lport->port_id); |
42e9a92f RL |
610 | logo->fl_n_port_wwn = htonll(lport->wwpn); |
611 | } | |
612 | ||
613 | /** | |
614 | * fc_rtv_fill - Fill in RTV (read timeout value) request frame. | |
615 | */ | |
616 | static inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp) | |
617 | { | |
618 | struct fc_els_rtv *rtv; | |
619 | ||
620 | rtv = fc_frame_payload_get(fp, sizeof(*rtv)); | |
621 | memset(rtv, 0, sizeof(*rtv)); | |
622 | rtv->rtv_cmd = ELS_RTV; | |
623 | } | |
624 | ||
625 | /** | |
626 | * fc_rec_fill - Fill in rec request frame | |
627 | */ | |
628 | static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp) | |
629 | { | |
630 | struct fc_els_rec *rec; | |
631 | struct fc_exch *ep = fc_seq_exch(fr_seq(fp)); | |
632 | ||
633 | rec = fc_frame_payload_get(fp, sizeof(*rec)); | |
634 | memset(rec, 0, sizeof(*rec)); | |
635 | rec->rec_cmd = ELS_REC; | |
7b2787ec | 636 | hton24(rec->rec_s_id, lport->port_id); |
42e9a92f RL |
637 | rec->rec_ox_id = htons(ep->oxid); |
638 | rec->rec_rx_id = htons(ep->rxid); | |
639 | } | |
640 | ||
641 | /** | |
642 | * fc_prli_fill - Fill in prli request frame | |
643 | */ | |
644 | static inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp) | |
645 | { | |
646 | struct { | |
647 | struct fc_els_prli prli; | |
648 | struct fc_els_spp spp; | |
649 | } *pp; | |
650 | ||
651 | pp = fc_frame_payload_get(fp, sizeof(*pp)); | |
652 | memset(pp, 0, sizeof(*pp)); | |
653 | pp->prli.prli_cmd = ELS_PRLI; | |
654 | pp->prli.prli_spp_len = sizeof(struct fc_els_spp); | |
655 | pp->prli.prli_len = htons(sizeof(*pp)); | |
656 | pp->spp.spp_type = FC_TYPE_FCP; | |
657 | pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR; | |
658 | pp->spp.spp_params = htonl(lport->service_params); | |
659 | } | |
660 | ||
661 | /** | |
662 | * fc_scr_fill - Fill in a scr request frame. | |
663 | */ | |
664 | static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp) | |
665 | { | |
666 | struct fc_els_scr *scr; | |
667 | ||
668 | scr = fc_frame_payload_get(fp, sizeof(*scr)); | |
669 | memset(scr, 0, sizeof(*scr)); | |
670 | scr->scr_cmd = ELS_SCR; | |
671 | scr->scr_reg_func = ELS_SCRF_FULL; | |
672 | } | |
673 | ||
674 | /** | |
675 | * fc_els_fill - Fill in an ELS request frame | |
676 | */ | |
9fb9d328 | 677 | static inline int fc_els_fill(struct fc_lport *lport, |
a46f327a | 678 | u32 did, |
42e9a92f | 679 | struct fc_frame *fp, unsigned int op, |
a46f327a | 680 | enum fc_rctl *r_ctl, enum fc_fh_type *fh_type) |
42e9a92f RL |
681 | { |
682 | switch (op) { | |
370c3bd0 JE |
683 | case ELS_ADISC: |
684 | fc_adisc_fill(lport, fp); | |
685 | break; | |
686 | ||
42e9a92f RL |
687 | case ELS_PLOGI: |
688 | fc_plogi_fill(lport, fp, ELS_PLOGI); | |
42e9a92f RL |
689 | break; |
690 | ||
691 | case ELS_FLOGI: | |
692 | fc_flogi_fill(lport, fp); | |
42e9a92f RL |
693 | break; |
694 | ||
db36c06c CL |
695 | case ELS_FDISC: |
696 | fc_fdisc_fill(lport, fp); | |
697 | break; | |
698 | ||
42e9a92f RL |
699 | case ELS_LOGO: |
700 | fc_logo_fill(lport, fp); | |
42e9a92f RL |
701 | break; |
702 | ||
703 | case ELS_RTV: | |
704 | fc_rtv_fill(lport, fp); | |
42e9a92f RL |
705 | break; |
706 | ||
707 | case ELS_REC: | |
708 | fc_rec_fill(lport, fp); | |
42e9a92f RL |
709 | break; |
710 | ||
711 | case ELS_PRLI: | |
712 | fc_prli_fill(lport, fp); | |
42e9a92f RL |
713 | break; |
714 | ||
715 | case ELS_SCR: | |
716 | fc_scr_fill(lport, fp); | |
42e9a92f RL |
717 | break; |
718 | ||
719 | default: | |
42e9a92f RL |
720 | return -EINVAL; |
721 | } | |
722 | ||
723 | *r_ctl = FC_RCTL_ELS_REQ; | |
724 | *fh_type = FC_TYPE_ELS; | |
725 | return 0; | |
726 | } | |
727 | #endif /* _FC_ENCODE_H_ */ |