Commit | Line | Data |
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fd3b339c | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
32af9434 MW |
2 | /* |
3 | * Thunderbolt control channel messages | |
4 | * | |
5 | * Copyright (C) 2014 Andreas Noever <andreas.noever@gmail.com> | |
6 | * Copyright (C) 2017, Intel Corporation | |
32af9434 MW |
7 | */ |
8 | ||
9 | #ifndef _TB_MSGS | |
10 | #define _TB_MSGS | |
11 | ||
12 | #include <linux/types.h> | |
f67cf491 | 13 | #include <linux/uuid.h> |
32af9434 | 14 | |
32af9434 MW |
15 | enum tb_cfg_space { |
16 | TB_CFG_HOPS = 0, | |
17 | TB_CFG_PORT = 1, | |
18 | TB_CFG_SWITCH = 2, | |
19 | TB_CFG_COUNTERS = 3, | |
20 | }; | |
21 | ||
22 | enum tb_cfg_error { | |
23 | TB_CFG_ERROR_PORT_NOT_CONNECTED = 0, | |
24 | TB_CFG_ERROR_LINK_ERROR = 1, | |
25 | TB_CFG_ERROR_INVALID_CONFIG_SPACE = 2, | |
26 | TB_CFG_ERROR_NO_SUCH_PORT = 4, | |
27 | TB_CFG_ERROR_ACK_PLUG_EVENT = 7, /* send as reply to TB_CFG_PKG_EVENT */ | |
28 | TB_CFG_ERROR_LOOP = 8, | |
29 | TB_CFG_ERROR_HEC_ERROR_DETECTED = 12, | |
30 | TB_CFG_ERROR_FLOW_CONTROL_ERROR = 13, | |
80e7c5dd | 31 | TB_CFG_ERROR_LOCK = 15, |
32af9434 MW |
32 | }; |
33 | ||
34 | /* common header */ | |
35 | struct tb_cfg_header { | |
36 | u32 route_hi:22; | |
37 | u32 unknown:10; /* highest order bit is set on replies */ | |
38 | u32 route_lo; | |
39 | } __packed; | |
40 | ||
41 | /* additional header for read/write packets */ | |
42 | struct tb_cfg_address { | |
43 | u32 offset:13; /* in dwords */ | |
44 | u32 length:6; /* in dwords */ | |
45 | u32 port:6; | |
46 | enum tb_cfg_space space:2; | |
47 | u32 seq:2; /* sequence number */ | |
48 | u32 zero:3; | |
49 | } __packed; | |
50 | ||
51 | /* TB_CFG_PKG_READ, response for TB_CFG_PKG_WRITE */ | |
52 | struct cfg_read_pkg { | |
53 | struct tb_cfg_header header; | |
54 | struct tb_cfg_address addr; | |
55 | } __packed; | |
56 | ||
57 | /* TB_CFG_PKG_WRITE, response for TB_CFG_PKG_READ */ | |
58 | struct cfg_write_pkg { | |
59 | struct tb_cfg_header header; | |
60 | struct tb_cfg_address addr; | |
61 | u32 data[64]; /* maximum size, tb_cfg_address.length has 6 bits */ | |
62 | } __packed; | |
63 | ||
64 | /* TB_CFG_PKG_ERROR */ | |
65 | struct cfg_error_pkg { | |
66 | struct tb_cfg_header header; | |
67 | enum tb_cfg_error error:4; | |
68 | u32 zero1:4; | |
69 | u32 port:6; | |
70 | u32 zero2:2; /* Both should be zero, still they are different fields. */ | |
210e9f56 MW |
71 | u32 zero3:14; |
72 | u32 pg:2; | |
32af9434 MW |
73 | } __packed; |
74 | ||
210e9f56 MW |
75 | #define TB_CFG_ERROR_PG_HOT_PLUG 0x2 |
76 | #define TB_CFG_ERROR_PG_HOT_UNPLUG 0x3 | |
77 | ||
32af9434 MW |
78 | /* TB_CFG_PKG_EVENT */ |
79 | struct cfg_event_pkg { | |
80 | struct tb_cfg_header header; | |
81 | u32 port:6; | |
82 | u32 zero:25; | |
83 | bool unplug:1; | |
84 | } __packed; | |
85 | ||
86 | /* TB_CFG_PKG_RESET */ | |
87 | struct cfg_reset_pkg { | |
88 | struct tb_cfg_header header; | |
89 | } __packed; | |
90 | ||
91 | /* TB_CFG_PKG_PREPARE_TO_SLEEP */ | |
92 | struct cfg_pts_pkg { | |
93 | struct tb_cfg_header header; | |
94 | u32 data; | |
95 | } __packed; | |
96 | ||
f67cf491 MW |
97 | /* ICM messages */ |
98 | ||
99 | enum icm_pkg_code { | |
100 | ICM_GET_TOPOLOGY = 0x1, | |
101 | ICM_DRIVER_READY = 0x3, | |
102 | ICM_APPROVE_DEVICE = 0x4, | |
103 | ICM_CHALLENGE_DEVICE = 0x5, | |
104 | ICM_ADD_DEVICE_KEY = 0x6, | |
105 | ICM_GET_ROUTE = 0xa, | |
d1ff7024 | 106 | ICM_APPROVE_XDOMAIN = 0x10, |
4bac471d | 107 | ICM_DISCONNECT_XDOMAIN = 0x11, |
9aaa3b8b | 108 | ICM_PREBOOT_ACL = 0x18, |
9039387e | 109 | ICM_USB4_SWITCH_OP = 0x20, |
f67cf491 MW |
110 | }; |
111 | ||
112 | enum icm_event_code { | |
3cdb9446 MW |
113 | ICM_EVENT_DEVICE_CONNECTED = 0x3, |
114 | ICM_EVENT_DEVICE_DISCONNECTED = 0x4, | |
115 | ICM_EVENT_XDOMAIN_CONNECTED = 0x6, | |
116 | ICM_EVENT_XDOMAIN_DISCONNECTED = 0x7, | |
117 | ICM_EVENT_RTD3_VETO = 0xa, | |
f67cf491 MW |
118 | }; |
119 | ||
120 | struct icm_pkg_header { | |
121 | u8 code; | |
122 | u8 flags; | |
123 | u8 packet_id; | |
124 | u8 total_packets; | |
80671708 | 125 | }; |
f67cf491 MW |
126 | |
127 | #define ICM_FLAGS_ERROR BIT(0) | |
128 | #define ICM_FLAGS_NO_KEY BIT(1) | |
129 | #define ICM_FLAGS_SLEVEL_SHIFT 3 | |
130 | #define ICM_FLAGS_SLEVEL_MASK GENMASK(4, 3) | |
91c0c120 MW |
131 | #define ICM_FLAGS_DUAL_LANE BIT(5) |
132 | #define ICM_FLAGS_SPEED_GEN3 BIT(7) | |
9aaa3b8b | 133 | #define ICM_FLAGS_WRITE BIT(7) |
f67cf491 MW |
134 | |
135 | struct icm_pkg_driver_ready { | |
136 | struct icm_pkg_header hdr; | |
80671708 | 137 | }; |
f67cf491 | 138 | |
9aaa3b8b | 139 | /* Falcon Ridge only messages */ |
3080e197 MW |
140 | |
141 | struct icm_fr_pkg_driver_ready_response { | |
f67cf491 MW |
142 | struct icm_pkg_header hdr; |
143 | u8 romver; | |
144 | u8 ramver; | |
145 | u16 security_level; | |
80671708 | 146 | }; |
f67cf491 | 147 | |
3080e197 | 148 | #define ICM_FR_SLEVEL_MASK 0xf |
f67cf491 | 149 | |
9aaa3b8b MW |
150 | /* Falcon Ridge & Alpine Ridge common messages */ |
151 | ||
f67cf491 MW |
152 | struct icm_fr_pkg_get_topology { |
153 | struct icm_pkg_header hdr; | |
80671708 | 154 | }; |
f67cf491 MW |
155 | |
156 | #define ICM_GET_TOPOLOGY_PACKETS 14 | |
157 | ||
158 | struct icm_fr_pkg_get_topology_response { | |
159 | struct icm_pkg_header hdr; | |
160 | u32 route_lo; | |
161 | u32 route_hi; | |
162 | u8 first_data; | |
163 | u8 second_data; | |
164 | u8 drom_i2c_address_index; | |
165 | u8 switch_index; | |
166 | u32 reserved[2]; | |
167 | u32 ports[16]; | |
168 | u32 port_hop_info[16]; | |
80671708 | 169 | }; |
f67cf491 MW |
170 | |
171 | #define ICM_SWITCH_USED BIT(0) | |
172 | #define ICM_SWITCH_UPSTREAM_PORT_MASK GENMASK(7, 1) | |
173 | #define ICM_SWITCH_UPSTREAM_PORT_SHIFT 1 | |
174 | ||
175 | #define ICM_PORT_TYPE_MASK GENMASK(23, 0) | |
176 | #define ICM_PORT_INDEX_SHIFT 24 | |
177 | #define ICM_PORT_INDEX_MASK GENMASK(31, 24) | |
178 | ||
179 | struct icm_fr_event_device_connected { | |
180 | struct icm_pkg_header hdr; | |
7c39ffe7 | 181 | uuid_t ep_uuid; |
f67cf491 MW |
182 | u8 connection_key; |
183 | u8 connection_id; | |
184 | u16 link_info; | |
185 | u32 ep_name[55]; | |
80671708 | 186 | }; |
f67cf491 MW |
187 | |
188 | #define ICM_LINK_INFO_LINK_MASK 0x7 | |
189 | #define ICM_LINK_INFO_DEPTH_SHIFT 4 | |
190 | #define ICM_LINK_INFO_DEPTH_MASK GENMASK(7, 4) | |
191 | #define ICM_LINK_INFO_APPROVED BIT(8) | |
cb653eec | 192 | #define ICM_LINK_INFO_REJECTED BIT(9) |
14862ee3 | 193 | #define ICM_LINK_INFO_BOOT BIT(10) |
f67cf491 MW |
194 | |
195 | struct icm_fr_pkg_approve_device { | |
196 | struct icm_pkg_header hdr; | |
7c39ffe7 | 197 | uuid_t ep_uuid; |
f67cf491 MW |
198 | u8 connection_key; |
199 | u8 connection_id; | |
200 | u16 reserved; | |
80671708 | 201 | }; |
f67cf491 MW |
202 | |
203 | struct icm_fr_event_device_disconnected { | |
204 | struct icm_pkg_header hdr; | |
205 | u16 reserved; | |
206 | u16 link_info; | |
80671708 | 207 | }; |
f67cf491 | 208 | |
d1ff7024 MW |
209 | struct icm_fr_event_xdomain_connected { |
210 | struct icm_pkg_header hdr; | |
211 | u16 reserved; | |
212 | u16 link_info; | |
213 | uuid_t remote_uuid; | |
214 | uuid_t local_uuid; | |
215 | u32 local_route_hi; | |
216 | u32 local_route_lo; | |
217 | u32 remote_route_hi; | |
218 | u32 remote_route_lo; | |
219 | }; | |
220 | ||
221 | struct icm_fr_event_xdomain_disconnected { | |
222 | struct icm_pkg_header hdr; | |
223 | u16 reserved; | |
224 | u16 link_info; | |
225 | uuid_t remote_uuid; | |
226 | }; | |
227 | ||
f67cf491 MW |
228 | struct icm_fr_pkg_add_device_key { |
229 | struct icm_pkg_header hdr; | |
7c39ffe7 | 230 | uuid_t ep_uuid; |
f67cf491 MW |
231 | u8 connection_key; |
232 | u8 connection_id; | |
233 | u16 reserved; | |
234 | u32 key[8]; | |
80671708 | 235 | }; |
f67cf491 MW |
236 | |
237 | struct icm_fr_pkg_add_device_key_response { | |
238 | struct icm_pkg_header hdr; | |
7c39ffe7 | 239 | uuid_t ep_uuid; |
f67cf491 MW |
240 | u8 connection_key; |
241 | u8 connection_id; | |
242 | u16 reserved; | |
80671708 | 243 | }; |
f67cf491 MW |
244 | |
245 | struct icm_fr_pkg_challenge_device { | |
246 | struct icm_pkg_header hdr; | |
7c39ffe7 | 247 | uuid_t ep_uuid; |
f67cf491 MW |
248 | u8 connection_key; |
249 | u8 connection_id; | |
250 | u16 reserved; | |
251 | u32 challenge[8]; | |
80671708 | 252 | }; |
f67cf491 MW |
253 | |
254 | struct icm_fr_pkg_challenge_device_response { | |
255 | struct icm_pkg_header hdr; | |
7c39ffe7 | 256 | uuid_t ep_uuid; |
f67cf491 MW |
257 | u8 connection_key; |
258 | u8 connection_id; | |
259 | u16 reserved; | |
260 | u32 challenge[8]; | |
261 | u32 response[8]; | |
80671708 | 262 | }; |
f67cf491 | 263 | |
d1ff7024 MW |
264 | struct icm_fr_pkg_approve_xdomain { |
265 | struct icm_pkg_header hdr; | |
266 | u16 reserved; | |
267 | u16 link_info; | |
268 | uuid_t remote_uuid; | |
269 | u16 transmit_path; | |
270 | u16 transmit_ring; | |
271 | u16 receive_path; | |
272 | u16 receive_ring; | |
273 | }; | |
274 | ||
275 | struct icm_fr_pkg_approve_xdomain_response { | |
276 | struct icm_pkg_header hdr; | |
277 | u16 reserved; | |
278 | u16 link_info; | |
279 | uuid_t remote_uuid; | |
280 | u16 transmit_path; | |
281 | u16 transmit_ring; | |
282 | u16 receive_path; | |
283 | u16 receive_ring; | |
284 | }; | |
285 | ||
f67cf491 MW |
286 | /* Alpine Ridge only messages */ |
287 | ||
9aaa3b8b MW |
288 | struct icm_ar_pkg_driver_ready_response { |
289 | struct icm_pkg_header hdr; | |
290 | u8 romver; | |
291 | u8 ramver; | |
292 | u16 info; | |
293 | }; | |
294 | ||
2d8ff0b5 MW |
295 | #define ICM_AR_FLAGS_RTD3 BIT(6) |
296 | ||
9aaa3b8b MW |
297 | #define ICM_AR_INFO_SLEVEL_MASK GENMASK(3, 0) |
298 | #define ICM_AR_INFO_BOOT_ACL_SHIFT 7 | |
299 | #define ICM_AR_INFO_BOOT_ACL_MASK GENMASK(11, 7) | |
300 | #define ICM_AR_INFO_BOOT_ACL_SUPPORTED BIT(13) | |
301 | ||
f67cf491 MW |
302 | struct icm_ar_pkg_get_route { |
303 | struct icm_pkg_header hdr; | |
304 | u16 reserved; | |
305 | u16 link_info; | |
80671708 | 306 | }; |
f67cf491 MW |
307 | |
308 | struct icm_ar_pkg_get_route_response { | |
309 | struct icm_pkg_header hdr; | |
310 | u16 reserved; | |
311 | u16 link_info; | |
312 | u32 route_hi; | |
313 | u32 route_lo; | |
80671708 | 314 | }; |
f67cf491 | 315 | |
9aaa3b8b MW |
316 | struct icm_ar_boot_acl_entry { |
317 | u32 uuid_lo; | |
318 | u32 uuid_hi; | |
319 | }; | |
320 | ||
321 | #define ICM_AR_PREBOOT_ACL_ENTRIES 16 | |
322 | ||
323 | struct icm_ar_pkg_preboot_acl { | |
324 | struct icm_pkg_header hdr; | |
325 | struct icm_ar_boot_acl_entry acl[ICM_AR_PREBOOT_ACL_ENTRIES]; | |
326 | }; | |
327 | ||
328 | struct icm_ar_pkg_preboot_acl_response { | |
329 | struct icm_pkg_header hdr; | |
330 | struct icm_ar_boot_acl_entry acl[ICM_AR_PREBOOT_ACL_ENTRIES]; | |
331 | }; | |
332 | ||
4bac471d RM |
333 | /* Titan Ridge messages */ |
334 | ||
335 | struct icm_tr_pkg_driver_ready_response { | |
336 | struct icm_pkg_header hdr; | |
337 | u16 reserved1; | |
338 | u16 info; | |
339 | u32 nvm_version; | |
340 | u16 device_id; | |
341 | u16 reserved2; | |
342 | }; | |
343 | ||
2d8ff0b5 MW |
344 | #define ICM_TR_FLAGS_RTD3 BIT(6) |
345 | ||
4bac471d | 346 | #define ICM_TR_INFO_SLEVEL_MASK GENMASK(2, 0) |
9039387e MW |
347 | #define ICM_TR_INFO_PROTO_VERSION_MASK GENMASK(6, 4) |
348 | #define ICM_TR_INFO_PROTO_VERSION_SHIFT 4 | |
4bac471d RM |
349 | #define ICM_TR_INFO_BOOT_ACL_SHIFT 7 |
350 | #define ICM_TR_INFO_BOOT_ACL_MASK GENMASK(12, 7) | |
351 | ||
352 | struct icm_tr_event_device_connected { | |
353 | struct icm_pkg_header hdr; | |
354 | uuid_t ep_uuid; | |
355 | u32 route_hi; | |
356 | u32 route_lo; | |
357 | u8 connection_id; | |
358 | u8 reserved; | |
359 | u16 link_info; | |
360 | u32 ep_name[55]; | |
361 | }; | |
362 | ||
363 | struct icm_tr_event_device_disconnected { | |
364 | struct icm_pkg_header hdr; | |
365 | u32 route_hi; | |
366 | u32 route_lo; | |
367 | }; | |
368 | ||
369 | struct icm_tr_event_xdomain_connected { | |
370 | struct icm_pkg_header hdr; | |
371 | u16 reserved; | |
372 | u16 link_info; | |
373 | uuid_t remote_uuid; | |
374 | uuid_t local_uuid; | |
375 | u32 local_route_hi; | |
376 | u32 local_route_lo; | |
377 | u32 remote_route_hi; | |
378 | u32 remote_route_lo; | |
379 | }; | |
380 | ||
381 | struct icm_tr_event_xdomain_disconnected { | |
382 | struct icm_pkg_header hdr; | |
383 | u32 route_hi; | |
384 | u32 route_lo; | |
385 | uuid_t remote_uuid; | |
386 | }; | |
387 | ||
388 | struct icm_tr_pkg_approve_device { | |
389 | struct icm_pkg_header hdr; | |
390 | uuid_t ep_uuid; | |
391 | u32 route_hi; | |
392 | u32 route_lo; | |
393 | u8 connection_id; | |
394 | u8 reserved1[3]; | |
395 | }; | |
396 | ||
397 | struct icm_tr_pkg_add_device_key { | |
398 | struct icm_pkg_header hdr; | |
399 | uuid_t ep_uuid; | |
400 | u32 route_hi; | |
401 | u32 route_lo; | |
402 | u8 connection_id; | |
403 | u8 reserved[3]; | |
404 | u32 key[8]; | |
405 | }; | |
406 | ||
407 | struct icm_tr_pkg_challenge_device { | |
408 | struct icm_pkg_header hdr; | |
409 | uuid_t ep_uuid; | |
410 | u32 route_hi; | |
411 | u32 route_lo; | |
412 | u8 connection_id; | |
413 | u8 reserved[3]; | |
414 | u32 challenge[8]; | |
415 | }; | |
416 | ||
417 | struct icm_tr_pkg_approve_xdomain { | |
418 | struct icm_pkg_header hdr; | |
419 | u32 route_hi; | |
420 | u32 route_lo; | |
421 | uuid_t remote_uuid; | |
422 | u16 transmit_path; | |
423 | u16 transmit_ring; | |
424 | u16 receive_path; | |
425 | u16 receive_ring; | |
426 | }; | |
427 | ||
428 | struct icm_tr_pkg_disconnect_xdomain { | |
429 | struct icm_pkg_header hdr; | |
430 | u8 stage; | |
431 | u8 reserved[3]; | |
432 | u32 route_hi; | |
433 | u32 route_lo; | |
434 | uuid_t remote_uuid; | |
435 | }; | |
436 | ||
437 | struct icm_tr_pkg_challenge_device_response { | |
438 | struct icm_pkg_header hdr; | |
439 | uuid_t ep_uuid; | |
440 | u32 route_hi; | |
441 | u32 route_lo; | |
442 | u8 connection_id; | |
443 | u8 reserved[3]; | |
444 | u32 challenge[8]; | |
445 | u32 response[8]; | |
446 | }; | |
447 | ||
448 | struct icm_tr_pkg_add_device_key_response { | |
449 | struct icm_pkg_header hdr; | |
450 | uuid_t ep_uuid; | |
451 | u32 route_hi; | |
452 | u32 route_lo; | |
453 | u8 connection_id; | |
454 | u8 reserved[3]; | |
455 | }; | |
456 | ||
457 | struct icm_tr_pkg_approve_xdomain_response { | |
458 | struct icm_pkg_header hdr; | |
459 | u32 route_hi; | |
460 | u32 route_lo; | |
461 | uuid_t remote_uuid; | |
462 | u16 transmit_path; | |
463 | u16 transmit_ring; | |
464 | u16 receive_path; | |
465 | u16 receive_ring; | |
466 | }; | |
467 | ||
468 | struct icm_tr_pkg_disconnect_xdomain_response { | |
469 | struct icm_pkg_header hdr; | |
470 | u8 stage; | |
471 | u8 reserved[3]; | |
472 | u32 route_hi; | |
473 | u32 route_lo; | |
474 | uuid_t remote_uuid; | |
475 | }; | |
476 | ||
3cdb9446 MW |
477 | /* Ice Lake messages */ |
478 | ||
479 | struct icm_icl_event_rtd3_veto { | |
480 | struct icm_pkg_header hdr; | |
481 | u32 veto_reason; | |
482 | }; | |
483 | ||
9039387e MW |
484 | /* USB4 ICM messages */ |
485 | ||
486 | struct icm_usb4_switch_op { | |
487 | struct icm_pkg_header hdr; | |
488 | u32 route_hi; | |
489 | u32 route_lo; | |
490 | u32 metadata; | |
491 | u16 opcode; | |
492 | u16 data_len_valid; | |
493 | u32 data[16]; | |
494 | }; | |
495 | ||
496 | #define ICM_USB4_SWITCH_DATA_LEN_MASK GENMASK(3, 0) | |
497 | #define ICM_USB4_SWITCH_DATA_VALID BIT(4) | |
498 | ||
499 | struct icm_usb4_switch_op_response { | |
500 | struct icm_pkg_header hdr; | |
501 | u32 route_hi; | |
502 | u32 route_lo; | |
503 | u32 metadata; | |
504 | u16 opcode; | |
505 | u16 status; | |
506 | u32 data[16]; | |
507 | }; | |
508 | ||
d1ff7024 MW |
509 | /* XDomain messages */ |
510 | ||
511 | struct tb_xdomain_header { | |
512 | u32 route_hi; | |
513 | u32 route_lo; | |
514 | u32 length_sn; | |
515 | }; | |
516 | ||
517 | #define TB_XDOMAIN_LENGTH_MASK GENMASK(5, 0) | |
518 | #define TB_XDOMAIN_SN_MASK GENMASK(28, 27) | |
519 | #define TB_XDOMAIN_SN_SHIFT 27 | |
520 | ||
521 | enum tb_xdp_type { | |
522 | UUID_REQUEST_OLD = 1, | |
523 | UUID_RESPONSE = 2, | |
524 | PROPERTIES_REQUEST, | |
525 | PROPERTIES_RESPONSE, | |
526 | PROPERTIES_CHANGED_REQUEST, | |
527 | PROPERTIES_CHANGED_RESPONSE, | |
528 | ERROR_RESPONSE, | |
529 | UUID_REQUEST = 12, | |
530 | }; | |
531 | ||
532 | struct tb_xdp_header { | |
533 | struct tb_xdomain_header xd_hdr; | |
534 | uuid_t uuid; | |
535 | u32 type; | |
536 | }; | |
537 | ||
19813551 KC |
538 | struct tb_xdp_error_response { |
539 | struct tb_xdp_header hdr; | |
540 | u32 error; | |
541 | }; | |
542 | ||
3b4b3235 MW |
543 | struct tb_xdp_uuid { |
544 | struct tb_xdp_header hdr; | |
545 | }; | |
546 | ||
547 | struct tb_xdp_uuid_response { | |
19813551 KC |
548 | union { |
549 | struct tb_xdp_error_response err; | |
550 | struct { | |
551 | struct tb_xdp_header hdr; | |
552 | uuid_t src_uuid; | |
553 | u32 src_route_hi; | |
554 | u32 src_route_lo; | |
555 | }; | |
556 | }; | |
3b4b3235 MW |
557 | }; |
558 | ||
d1ff7024 MW |
559 | struct tb_xdp_properties { |
560 | struct tb_xdp_header hdr; | |
561 | uuid_t src_uuid; | |
562 | uuid_t dst_uuid; | |
563 | u16 offset; | |
564 | u16 reserved; | |
565 | }; | |
566 | ||
567 | struct tb_xdp_properties_response { | |
19813551 KC |
568 | union { |
569 | struct tb_xdp_error_response err; | |
570 | struct { | |
571 | struct tb_xdp_header hdr; | |
572 | uuid_t src_uuid; | |
573 | uuid_t dst_uuid; | |
574 | u16 offset; | |
575 | u16 data_length; | |
576 | u32 generation; | |
577 | u32 data[]; | |
578 | }; | |
579 | }; | |
d1ff7024 MW |
580 | }; |
581 | ||
582 | /* | |
583 | * Max length of data array single XDomain property response is allowed | |
584 | * to carry. | |
585 | */ | |
586 | #define TB_XDP_PROPERTIES_MAX_DATA_LENGTH \ | |
587 | (((256 - 4 - sizeof(struct tb_xdp_properties_response))) / 4) | |
588 | ||
589 | /* Maximum size of the total property block in dwords we allow */ | |
590 | #define TB_XDP_PROPERTIES_MAX_LENGTH 500 | |
591 | ||
592 | struct tb_xdp_properties_changed { | |
593 | struct tb_xdp_header hdr; | |
594 | uuid_t src_uuid; | |
595 | }; | |
596 | ||
597 | struct tb_xdp_properties_changed_response { | |
19813551 KC |
598 | union { |
599 | struct tb_xdp_error_response err; | |
600 | struct tb_xdp_header hdr; | |
601 | }; | |
d1ff7024 MW |
602 | }; |
603 | ||
604 | enum tb_xdp_error { | |
605 | ERROR_SUCCESS, | |
606 | ERROR_UNKNOWN_PACKET, | |
607 | ERROR_UNKNOWN_DOMAIN, | |
608 | ERROR_NOT_SUPPORTED, | |
609 | ERROR_NOT_READY, | |
610 | }; | |
611 | ||
32af9434 | 612 | #endif |