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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * KUnit tests | |
4 | * | |
5 | * Copyright (C) 2020, Intel Corporation | |
6 | * Author: Mika Westerberg <mika.westerberg@linux.intel.com> | |
7 | */ | |
8 | ||
9 | #include <kunit/test.h> | |
10 | #include <linux/idr.h> | |
11 | ||
12 | #include "tb.h" | |
40c14d9f | 13 | #include "tunnel.h" |
54509f50 MW |
14 | |
15 | static int __ida_init(struct kunit_resource *res, void *context) | |
16 | { | |
17 | struct ida *ida = context; | |
18 | ||
19 | ida_init(ida); | |
71fa1a44 | 20 | res->data = ida; |
54509f50 MW |
21 | return 0; |
22 | } | |
23 | ||
24 | static void __ida_destroy(struct kunit_resource *res) | |
25 | { | |
71fa1a44 | 26 | struct ida *ida = res->data; |
54509f50 MW |
27 | |
28 | ida_destroy(ida); | |
29 | } | |
30 | ||
31 | static void kunit_ida_init(struct kunit *test, struct ida *ida) | |
32 | { | |
33 | kunit_alloc_resource(test, __ida_init, __ida_destroy, GFP_KERNEL, ida); | |
34 | } | |
35 | ||
36 | static struct tb_switch *alloc_switch(struct kunit *test, u64 route, | |
37 | u8 upstream_port, u8 max_port_number) | |
38 | { | |
39 | struct tb_switch *sw; | |
40 | size_t size; | |
41 | int i; | |
42 | ||
43 | sw = kunit_kzalloc(test, sizeof(*sw), GFP_KERNEL); | |
44 | if (!sw) | |
45 | return NULL; | |
46 | ||
47 | sw->config.upstream_port_number = upstream_port; | |
48 | sw->config.depth = tb_route_length(route); | |
49 | sw->config.route_hi = upper_32_bits(route); | |
50 | sw->config.route_lo = lower_32_bits(route); | |
51 | sw->config.enabled = 0; | |
52 | sw->config.max_port_number = max_port_number; | |
53 | ||
54 | size = (sw->config.max_port_number + 1) * sizeof(*sw->ports); | |
55 | sw->ports = kunit_kzalloc(test, size, GFP_KERNEL); | |
56 | if (!sw->ports) | |
57 | return NULL; | |
58 | ||
59 | for (i = 0; i <= sw->config.max_port_number; i++) { | |
60 | sw->ports[i].sw = sw; | |
61 | sw->ports[i].port = i; | |
62 | sw->ports[i].config.port_number = i; | |
63 | if (i) { | |
64 | kunit_ida_init(test, &sw->ports[i].in_hopids); | |
65 | kunit_ida_init(test, &sw->ports[i].out_hopids); | |
66 | } | |
67 | } | |
68 | ||
69 | return sw; | |
70 | } | |
71 | ||
72 | static struct tb_switch *alloc_host(struct kunit *test) | |
73 | { | |
74 | struct tb_switch *sw; | |
75 | ||
76 | sw = alloc_switch(test, 0, 7, 13); | |
77 | if (!sw) | |
78 | return NULL; | |
79 | ||
80 | sw->config.vendor_id = 0x8086; | |
81 | sw->config.device_id = 0x9a1b; | |
82 | ||
83 | sw->ports[0].config.type = TB_TYPE_PORT; | |
84 | sw->ports[0].config.max_in_hop_id = 7; | |
85 | sw->ports[0].config.max_out_hop_id = 7; | |
86 | ||
87 | sw->ports[1].config.type = TB_TYPE_PORT; | |
88 | sw->ports[1].config.max_in_hop_id = 19; | |
89 | sw->ports[1].config.max_out_hop_id = 19; | |
90 | sw->ports[1].dual_link_port = &sw->ports[2]; | |
91 | ||
92 | sw->ports[2].config.type = TB_TYPE_PORT; | |
93 | sw->ports[2].config.max_in_hop_id = 19; | |
94 | sw->ports[2].config.max_out_hop_id = 19; | |
95 | sw->ports[2].dual_link_port = &sw->ports[1]; | |
96 | sw->ports[2].link_nr = 1; | |
97 | ||
98 | sw->ports[3].config.type = TB_TYPE_PORT; | |
99 | sw->ports[3].config.max_in_hop_id = 19; | |
100 | sw->ports[3].config.max_out_hop_id = 19; | |
101 | sw->ports[3].dual_link_port = &sw->ports[4]; | |
102 | ||
103 | sw->ports[4].config.type = TB_TYPE_PORT; | |
104 | sw->ports[4].config.max_in_hop_id = 19; | |
105 | sw->ports[4].config.max_out_hop_id = 19; | |
106 | sw->ports[4].dual_link_port = &sw->ports[3]; | |
107 | sw->ports[4].link_nr = 1; | |
108 | ||
109 | sw->ports[5].config.type = TB_TYPE_DP_HDMI_IN; | |
110 | sw->ports[5].config.max_in_hop_id = 9; | |
111 | sw->ports[5].config.max_out_hop_id = 9; | |
112 | sw->ports[5].cap_adap = -1; | |
113 | ||
114 | sw->ports[6].config.type = TB_TYPE_DP_HDMI_IN; | |
115 | sw->ports[6].config.max_in_hop_id = 9; | |
116 | sw->ports[6].config.max_out_hop_id = 9; | |
117 | sw->ports[6].cap_adap = -1; | |
118 | ||
119 | sw->ports[7].config.type = TB_TYPE_NHI; | |
120 | sw->ports[7].config.max_in_hop_id = 11; | |
121 | sw->ports[7].config.max_out_hop_id = 11; | |
5adab6cc | 122 | sw->ports[7].config.nfc_credits = 0x41800000; |
54509f50 MW |
123 | |
124 | sw->ports[8].config.type = TB_TYPE_PCIE_DOWN; | |
125 | sw->ports[8].config.max_in_hop_id = 8; | |
126 | sw->ports[8].config.max_out_hop_id = 8; | |
127 | ||
128 | sw->ports[9].config.type = TB_TYPE_PCIE_DOWN; | |
129 | sw->ports[9].config.max_in_hop_id = 8; | |
130 | sw->ports[9].config.max_out_hop_id = 8; | |
131 | ||
132 | sw->ports[10].disabled = true; | |
133 | sw->ports[11].disabled = true; | |
134 | ||
135 | sw->ports[12].config.type = TB_TYPE_USB3_DOWN; | |
136 | sw->ports[12].config.max_in_hop_id = 8; | |
137 | sw->ports[12].config.max_out_hop_id = 8; | |
138 | ||
139 | sw->ports[13].config.type = TB_TYPE_USB3_DOWN; | |
140 | sw->ports[13].config.max_in_hop_id = 8; | |
141 | sw->ports[13].config.max_out_hop_id = 8; | |
142 | ||
143 | return sw; | |
144 | } | |
145 | ||
146 | static struct tb_switch *alloc_dev_default(struct kunit *test, | |
147 | struct tb_switch *parent, | |
148 | u64 route, bool bonded) | |
149 | { | |
150 | struct tb_port *port, *upstream_port; | |
151 | struct tb_switch *sw; | |
152 | ||
153 | sw = alloc_switch(test, route, 1, 19); | |
154 | if (!sw) | |
155 | return NULL; | |
156 | ||
157 | sw->config.vendor_id = 0x8086; | |
158 | sw->config.device_id = 0x15ef; | |
159 | ||
160 | sw->ports[0].config.type = TB_TYPE_PORT; | |
161 | sw->ports[0].config.max_in_hop_id = 8; | |
162 | sw->ports[0].config.max_out_hop_id = 8; | |
163 | ||
164 | sw->ports[1].config.type = TB_TYPE_PORT; | |
165 | sw->ports[1].config.max_in_hop_id = 19; | |
166 | sw->ports[1].config.max_out_hop_id = 19; | |
167 | sw->ports[1].dual_link_port = &sw->ports[2]; | |
168 | ||
169 | sw->ports[2].config.type = TB_TYPE_PORT; | |
170 | sw->ports[2].config.max_in_hop_id = 19; | |
171 | sw->ports[2].config.max_out_hop_id = 19; | |
172 | sw->ports[2].dual_link_port = &sw->ports[1]; | |
173 | sw->ports[2].link_nr = 1; | |
174 | ||
175 | sw->ports[3].config.type = TB_TYPE_PORT; | |
176 | sw->ports[3].config.max_in_hop_id = 19; | |
177 | sw->ports[3].config.max_out_hop_id = 19; | |
178 | sw->ports[3].dual_link_port = &sw->ports[4]; | |
179 | ||
180 | sw->ports[4].config.type = TB_TYPE_PORT; | |
181 | sw->ports[4].config.max_in_hop_id = 19; | |
182 | sw->ports[4].config.max_out_hop_id = 19; | |
183 | sw->ports[4].dual_link_port = &sw->ports[3]; | |
184 | sw->ports[4].link_nr = 1; | |
185 | ||
186 | sw->ports[5].config.type = TB_TYPE_PORT; | |
187 | sw->ports[5].config.max_in_hop_id = 19; | |
188 | sw->ports[5].config.max_out_hop_id = 19; | |
189 | sw->ports[5].dual_link_port = &sw->ports[6]; | |
190 | ||
191 | sw->ports[6].config.type = TB_TYPE_PORT; | |
192 | sw->ports[6].config.max_in_hop_id = 19; | |
193 | sw->ports[6].config.max_out_hop_id = 19; | |
194 | sw->ports[6].dual_link_port = &sw->ports[5]; | |
195 | sw->ports[6].link_nr = 1; | |
196 | ||
197 | sw->ports[7].config.type = TB_TYPE_PORT; | |
198 | sw->ports[7].config.max_in_hop_id = 19; | |
199 | sw->ports[7].config.max_out_hop_id = 19; | |
200 | sw->ports[7].dual_link_port = &sw->ports[8]; | |
201 | ||
202 | sw->ports[8].config.type = TB_TYPE_PORT; | |
203 | sw->ports[8].config.max_in_hop_id = 19; | |
204 | sw->ports[8].config.max_out_hop_id = 19; | |
205 | sw->ports[8].dual_link_port = &sw->ports[7]; | |
206 | sw->ports[8].link_nr = 1; | |
207 | ||
208 | sw->ports[9].config.type = TB_TYPE_PCIE_UP; | |
209 | sw->ports[9].config.max_in_hop_id = 8; | |
210 | sw->ports[9].config.max_out_hop_id = 8; | |
211 | ||
212 | sw->ports[10].config.type = TB_TYPE_PCIE_DOWN; | |
213 | sw->ports[10].config.max_in_hop_id = 8; | |
214 | sw->ports[10].config.max_out_hop_id = 8; | |
215 | ||
216 | sw->ports[11].config.type = TB_TYPE_PCIE_DOWN; | |
217 | sw->ports[11].config.max_in_hop_id = 8; | |
218 | sw->ports[11].config.max_out_hop_id = 8; | |
219 | ||
220 | sw->ports[12].config.type = TB_TYPE_PCIE_DOWN; | |
221 | sw->ports[12].config.max_in_hop_id = 8; | |
222 | sw->ports[12].config.max_out_hop_id = 8; | |
223 | ||
224 | sw->ports[13].config.type = TB_TYPE_DP_HDMI_OUT; | |
225 | sw->ports[13].config.max_in_hop_id = 9; | |
226 | sw->ports[13].config.max_out_hop_id = 9; | |
227 | sw->ports[13].cap_adap = -1; | |
228 | ||
229 | sw->ports[14].config.type = TB_TYPE_DP_HDMI_OUT; | |
230 | sw->ports[14].config.max_in_hop_id = 9; | |
231 | sw->ports[14].config.max_out_hop_id = 9; | |
232 | sw->ports[14].cap_adap = -1; | |
233 | ||
234 | sw->ports[15].disabled = true; | |
235 | ||
236 | sw->ports[16].config.type = TB_TYPE_USB3_UP; | |
237 | sw->ports[16].config.max_in_hop_id = 8; | |
238 | sw->ports[16].config.max_out_hop_id = 8; | |
239 | ||
240 | sw->ports[17].config.type = TB_TYPE_USB3_DOWN; | |
241 | sw->ports[17].config.max_in_hop_id = 8; | |
242 | sw->ports[17].config.max_out_hop_id = 8; | |
243 | ||
244 | sw->ports[18].config.type = TB_TYPE_USB3_DOWN; | |
245 | sw->ports[18].config.max_in_hop_id = 8; | |
246 | sw->ports[18].config.max_out_hop_id = 8; | |
247 | ||
248 | sw->ports[19].config.type = TB_TYPE_USB3_DOWN; | |
249 | sw->ports[19].config.max_in_hop_id = 8; | |
250 | sw->ports[19].config.max_out_hop_id = 8; | |
251 | ||
252 | if (!parent) | |
253 | return sw; | |
254 | ||
255 | /* Link them */ | |
256 | upstream_port = tb_upstream_port(sw); | |
257 | port = tb_port_at(route, parent); | |
258 | port->remote = upstream_port; | |
259 | upstream_port->remote = port; | |
260 | if (port->dual_link_port && upstream_port->dual_link_port) { | |
261 | port->dual_link_port->remote = upstream_port->dual_link_port; | |
262 | upstream_port->dual_link_port->remote = port->dual_link_port; | |
263 | } | |
264 | ||
265 | if (bonded) { | |
266 | /* Bonding is used */ | |
267 | port->bonded = true; | |
268 | port->dual_link_port->bonded = true; | |
269 | upstream_port->bonded = true; | |
270 | upstream_port->dual_link_port->bonded = true; | |
271 | } | |
272 | ||
273 | return sw; | |
274 | } | |
275 | ||
276 | static struct tb_switch *alloc_dev_with_dpin(struct kunit *test, | |
277 | struct tb_switch *parent, | |
278 | u64 route, bool bonded) | |
279 | { | |
280 | struct tb_switch *sw; | |
281 | ||
282 | sw = alloc_dev_default(test, parent, route, bonded); | |
283 | if (!sw) | |
284 | return NULL; | |
285 | ||
286 | sw->ports[13].config.type = TB_TYPE_DP_HDMI_IN; | |
287 | sw->ports[13].config.max_in_hop_id = 9; | |
288 | sw->ports[13].config.max_out_hop_id = 9; | |
289 | ||
290 | sw->ports[14].config.type = TB_TYPE_DP_HDMI_IN; | |
291 | sw->ports[14].config.max_in_hop_id = 9; | |
292 | sw->ports[14].config.max_out_hop_id = 9; | |
293 | ||
294 | return sw; | |
295 | } | |
296 | ||
297 | static void tb_test_path_basic(struct kunit *test) | |
298 | { | |
299 | struct tb_port *src_port, *dst_port, *p; | |
300 | struct tb_switch *host; | |
301 | ||
302 | host = alloc_host(test); | |
303 | ||
304 | src_port = &host->ports[5]; | |
305 | dst_port = src_port; | |
306 | ||
307 | p = tb_next_port_on_path(src_port, dst_port, NULL); | |
308 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); | |
309 | ||
310 | p = tb_next_port_on_path(src_port, dst_port, p); | |
311 | KUNIT_EXPECT_TRUE(test, !p); | |
312 | } | |
313 | ||
314 | static void tb_test_path_not_connected_walk(struct kunit *test) | |
315 | { | |
316 | struct tb_port *src_port, *dst_port, *p; | |
317 | struct tb_switch *host, *dev; | |
318 | ||
319 | host = alloc_host(test); | |
320 | /* No connection between host and dev */ | |
321 | dev = alloc_dev_default(test, NULL, 3, true); | |
322 | ||
323 | src_port = &host->ports[12]; | |
324 | dst_port = &dev->ports[16]; | |
325 | ||
326 | p = tb_next_port_on_path(src_port, dst_port, NULL); | |
327 | KUNIT_EXPECT_PTR_EQ(test, p, src_port); | |
328 | ||
329 | p = tb_next_port_on_path(src_port, dst_port, p); | |
330 | KUNIT_EXPECT_PTR_EQ(test, p, &host->ports[3]); | |
331 | ||
332 | p = tb_next_port_on_path(src_port, dst_port, p); | |
333 | KUNIT_EXPECT_TRUE(test, !p); | |
334 | ||
335 | /* Other direction */ | |
336 | ||
337 | p = tb_next_port_on_path(dst_port, src_port, NULL); | |
338 | KUNIT_EXPECT_PTR_EQ(test, p, dst_port); | |
339 | ||
340 | p = tb_next_port_on_path(dst_port, src_port, p); | |
341 | KUNIT_EXPECT_PTR_EQ(test, p, &dev->ports[1]); | |
342 | ||
343 | p = tb_next_port_on_path(dst_port, src_port, p); | |
344 | KUNIT_EXPECT_TRUE(test, !p); | |
345 | } | |
346 | ||
347 | struct port_expectation { | |
348 | u64 route; | |
349 | u8 port; | |
350 | enum tb_port_type type; | |
351 | }; | |
352 | ||
353 | static void tb_test_path_single_hop_walk(struct kunit *test) | |
354 | { | |
355 | /* | |
356 | * Walks from Host PCIe downstream port to Device #1 PCIe | |
357 | * upstream port. | |
358 | * | |
359 | * [Host] | |
360 | * 1 | | |
361 | * 1 | | |
362 | * [Device] | |
363 | */ | |
364 | static const struct port_expectation test_data[] = { | |
365 | { .route = 0x0, .port = 8, .type = TB_TYPE_PCIE_DOWN }, | |
366 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, | |
367 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, | |
368 | { .route = 0x1, .port = 9, .type = TB_TYPE_PCIE_UP }, | |
369 | }; | |
370 | struct tb_port *src_port, *dst_port, *p; | |
371 | struct tb_switch *host, *dev; | |
372 | int i; | |
373 | ||
374 | host = alloc_host(test); | |
375 | dev = alloc_dev_default(test, host, 1, true); | |
376 | ||
377 | src_port = &host->ports[8]; | |
378 | dst_port = &dev->ports[9]; | |
379 | ||
380 | /* Walk both directions */ | |
381 | ||
382 | i = 0; | |
383 | tb_for_each_port_on_path(src_port, dst_port, p) { | |
384 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
385 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
386 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
387 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
388 | test_data[i].type); | |
389 | i++; | |
390 | } | |
391 | ||
392 | KUNIT_EXPECT_EQ(test, i, (int)ARRAY_SIZE(test_data)); | |
393 | ||
394 | i = ARRAY_SIZE(test_data) - 1; | |
395 | tb_for_each_port_on_path(dst_port, src_port, p) { | |
396 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
397 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
398 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
399 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
400 | test_data[i].type); | |
401 | i--; | |
402 | } | |
403 | ||
404 | KUNIT_EXPECT_EQ(test, i, -1); | |
405 | } | |
406 | ||
407 | static void tb_test_path_daisy_chain_walk(struct kunit *test) | |
408 | { | |
409 | /* | |
410 | * Walks from Host DP IN to Device #2 DP OUT. | |
411 | * | |
412 | * [Host] | |
413 | * 1 | | |
414 | * 1 | | |
415 | * [Device #1] | |
416 | * 3 / | |
417 | * 1 / | |
418 | * [Device #2] | |
419 | */ | |
420 | static const struct port_expectation test_data[] = { | |
421 | { .route = 0x0, .port = 5, .type = TB_TYPE_DP_HDMI_IN }, | |
422 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, | |
423 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, | |
424 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, | |
425 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, | |
426 | { .route = 0x301, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, | |
427 | }; | |
428 | struct tb_port *src_port, *dst_port, *p; | |
429 | struct tb_switch *host, *dev1, *dev2; | |
430 | int i; | |
431 | ||
432 | host = alloc_host(test); | |
433 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
434 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
435 | ||
436 | src_port = &host->ports[5]; | |
437 | dst_port = &dev2->ports[13]; | |
438 | ||
439 | /* Walk both directions */ | |
440 | ||
441 | i = 0; | |
442 | tb_for_each_port_on_path(src_port, dst_port, p) { | |
443 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
444 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
445 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
446 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
447 | test_data[i].type); | |
448 | i++; | |
449 | } | |
450 | ||
451 | KUNIT_EXPECT_EQ(test, i, (int)ARRAY_SIZE(test_data)); | |
452 | ||
453 | i = ARRAY_SIZE(test_data) - 1; | |
454 | tb_for_each_port_on_path(dst_port, src_port, p) { | |
455 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
456 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
457 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
458 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
459 | test_data[i].type); | |
460 | i--; | |
461 | } | |
462 | ||
463 | KUNIT_EXPECT_EQ(test, i, -1); | |
464 | } | |
465 | ||
466 | static void tb_test_path_simple_tree_walk(struct kunit *test) | |
467 | { | |
468 | /* | |
469 | * Walks from Host DP IN to Device #3 DP OUT. | |
470 | * | |
471 | * [Host] | |
472 | * 1 | | |
473 | * 1 | | |
474 | * [Device #1] | |
475 | * 3 / | 5 \ 7 | |
476 | * 1 / | \ 1 | |
477 | * [Device #2] | [Device #4] | |
478 | * | 1 | |
479 | * [Device #3] | |
480 | */ | |
481 | static const struct port_expectation test_data[] = { | |
482 | { .route = 0x0, .port = 5, .type = TB_TYPE_DP_HDMI_IN }, | |
483 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, | |
484 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, | |
485 | { .route = 0x1, .port = 5, .type = TB_TYPE_PORT }, | |
486 | { .route = 0x501, .port = 1, .type = TB_TYPE_PORT }, | |
487 | { .route = 0x501, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, | |
488 | }; | |
489 | struct tb_port *src_port, *dst_port, *p; | |
490 | struct tb_switch *host, *dev1, *dev3; | |
491 | int i; | |
492 | ||
493 | host = alloc_host(test); | |
494 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
495 | alloc_dev_default(test, dev1, 0x301, true); | |
496 | dev3 = alloc_dev_default(test, dev1, 0x501, true); | |
497 | alloc_dev_default(test, dev1, 0x701, true); | |
498 | ||
499 | src_port = &host->ports[5]; | |
500 | dst_port = &dev3->ports[13]; | |
501 | ||
502 | /* Walk both directions */ | |
503 | ||
504 | i = 0; | |
505 | tb_for_each_port_on_path(src_port, dst_port, p) { | |
506 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
507 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
508 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
509 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
510 | test_data[i].type); | |
511 | i++; | |
512 | } | |
513 | ||
514 | KUNIT_EXPECT_EQ(test, i, (int)ARRAY_SIZE(test_data)); | |
515 | ||
516 | i = ARRAY_SIZE(test_data) - 1; | |
517 | tb_for_each_port_on_path(dst_port, src_port, p) { | |
518 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
519 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
520 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
521 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
522 | test_data[i].type); | |
523 | i--; | |
524 | } | |
525 | ||
526 | KUNIT_EXPECT_EQ(test, i, -1); | |
527 | } | |
528 | ||
529 | static void tb_test_path_complex_tree_walk(struct kunit *test) | |
530 | { | |
531 | /* | |
532 | * Walks from Device #3 DP IN to Device #9 DP OUT. | |
533 | * | |
534 | * [Host] | |
535 | * 1 | | |
536 | * 1 | | |
537 | * [Device #1] | |
538 | * 3 / | 5 \ 7 | |
539 | * 1 / | \ 1 | |
540 | * [Device #2] | [Device #5] | |
541 | * 5 | | 1 \ 7 | |
542 | * 1 | [Device #4] \ 1 | |
543 | * [Device #3] [Device #6] | |
544 | * 3 / | |
545 | * 1 / | |
546 | * [Device #7] | |
547 | * 3 / | 5 | |
548 | * 1 / | | |
549 | * [Device #8] | 1 | |
550 | * [Device #9] | |
551 | */ | |
552 | static const struct port_expectation test_data[] = { | |
553 | { .route = 0x50301, .port = 13, .type = TB_TYPE_DP_HDMI_IN }, | |
554 | { .route = 0x50301, .port = 1, .type = TB_TYPE_PORT }, | |
555 | { .route = 0x301, .port = 5, .type = TB_TYPE_PORT }, | |
556 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, | |
557 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, | |
558 | { .route = 0x1, .port = 7, .type = TB_TYPE_PORT }, | |
559 | { .route = 0x701, .port = 1, .type = TB_TYPE_PORT }, | |
560 | { .route = 0x701, .port = 7, .type = TB_TYPE_PORT }, | |
561 | { .route = 0x70701, .port = 1, .type = TB_TYPE_PORT }, | |
562 | { .route = 0x70701, .port = 3, .type = TB_TYPE_PORT }, | |
563 | { .route = 0x3070701, .port = 1, .type = TB_TYPE_PORT }, | |
564 | { .route = 0x3070701, .port = 5, .type = TB_TYPE_PORT }, | |
565 | { .route = 0x503070701, .port = 1, .type = TB_TYPE_PORT }, | |
566 | { .route = 0x503070701, .port = 14, .type = TB_TYPE_DP_HDMI_OUT }, | |
567 | }; | |
568 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev5, *dev6, *dev7, *dev9; | |
569 | struct tb_port *src_port, *dst_port, *p; | |
570 | int i; | |
571 | ||
572 | host = alloc_host(test); | |
573 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
574 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
575 | dev3 = alloc_dev_with_dpin(test, dev2, 0x50301, true); | |
576 | alloc_dev_default(test, dev1, 0x501, true); | |
577 | dev5 = alloc_dev_default(test, dev1, 0x701, true); | |
578 | dev6 = alloc_dev_default(test, dev5, 0x70701, true); | |
579 | dev7 = alloc_dev_default(test, dev6, 0x3070701, true); | |
580 | alloc_dev_default(test, dev7, 0x303070701, true); | |
581 | dev9 = alloc_dev_default(test, dev7, 0x503070701, true); | |
582 | ||
583 | src_port = &dev3->ports[13]; | |
584 | dst_port = &dev9->ports[14]; | |
585 | ||
586 | /* Walk both directions */ | |
587 | ||
588 | i = 0; | |
589 | tb_for_each_port_on_path(src_port, dst_port, p) { | |
590 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
591 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
592 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
593 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
594 | test_data[i].type); | |
595 | i++; | |
596 | } | |
597 | ||
598 | KUNIT_EXPECT_EQ(test, i, (int)ARRAY_SIZE(test_data)); | |
599 | ||
600 | i = ARRAY_SIZE(test_data) - 1; | |
601 | tb_for_each_port_on_path(dst_port, src_port, p) { | |
602 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
603 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
604 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
605 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
606 | test_data[i].type); | |
607 | i--; | |
608 | } | |
609 | ||
610 | KUNIT_EXPECT_EQ(test, i, -1); | |
611 | } | |
612 | ||
613 | static void tb_test_path_max_length_walk(struct kunit *test) | |
614 | { | |
615 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5, *dev6; | |
616 | struct tb_switch *dev7, *dev8, *dev9, *dev10, *dev11, *dev12; | |
617 | struct tb_port *src_port, *dst_port, *p; | |
618 | int i; | |
619 | ||
620 | /* | |
621 | * Walks from Device #6 DP IN to Device #12 DP OUT. | |
622 | * | |
623 | * [Host] | |
624 | * 1 / \ 3 | |
625 | * 1 / \ 1 | |
626 | * [Device #1] [Device #7] | |
627 | * 3 | | 3 | |
628 | * 1 | | 1 | |
629 | * [Device #2] [Device #8] | |
630 | * 3 | | 3 | |
631 | * 1 | | 1 | |
632 | * [Device #3] [Device #9] | |
633 | * 3 | | 3 | |
634 | * 1 | | 1 | |
635 | * [Device #4] [Device #10] | |
636 | * 3 | | 3 | |
637 | * 1 | | 1 | |
638 | * [Device #5] [Device #11] | |
639 | * 3 | | 3 | |
640 | * 1 | | 1 | |
641 | * [Device #6] [Device #12] | |
642 | */ | |
643 | static const struct port_expectation test_data[] = { | |
644 | { .route = 0x30303030301, .port = 13, .type = TB_TYPE_DP_HDMI_IN }, | |
645 | { .route = 0x30303030301, .port = 1, .type = TB_TYPE_PORT }, | |
646 | { .route = 0x303030301, .port = 3, .type = TB_TYPE_PORT }, | |
647 | { .route = 0x303030301, .port = 1, .type = TB_TYPE_PORT }, | |
648 | { .route = 0x3030301, .port = 3, .type = TB_TYPE_PORT }, | |
649 | { .route = 0x3030301, .port = 1, .type = TB_TYPE_PORT }, | |
650 | { .route = 0x30301, .port = 3, .type = TB_TYPE_PORT }, | |
651 | { .route = 0x30301, .port = 1, .type = TB_TYPE_PORT }, | |
652 | { .route = 0x301, .port = 3, .type = TB_TYPE_PORT }, | |
653 | { .route = 0x301, .port = 1, .type = TB_TYPE_PORT }, | |
654 | { .route = 0x1, .port = 3, .type = TB_TYPE_PORT }, | |
655 | { .route = 0x1, .port = 1, .type = TB_TYPE_PORT }, | |
656 | { .route = 0x0, .port = 1, .type = TB_TYPE_PORT }, | |
657 | { .route = 0x0, .port = 3, .type = TB_TYPE_PORT }, | |
658 | { .route = 0x3, .port = 1, .type = TB_TYPE_PORT }, | |
659 | { .route = 0x3, .port = 3, .type = TB_TYPE_PORT }, | |
660 | { .route = 0x303, .port = 1, .type = TB_TYPE_PORT }, | |
661 | { .route = 0x303, .port = 3, .type = TB_TYPE_PORT }, | |
662 | { .route = 0x30303, .port = 1, .type = TB_TYPE_PORT }, | |
663 | { .route = 0x30303, .port = 3, .type = TB_TYPE_PORT }, | |
664 | { .route = 0x3030303, .port = 1, .type = TB_TYPE_PORT }, | |
665 | { .route = 0x3030303, .port = 3, .type = TB_TYPE_PORT }, | |
666 | { .route = 0x303030303, .port = 1, .type = TB_TYPE_PORT }, | |
667 | { .route = 0x303030303, .port = 3, .type = TB_TYPE_PORT }, | |
668 | { .route = 0x30303030303, .port = 1, .type = TB_TYPE_PORT }, | |
669 | { .route = 0x30303030303, .port = 13, .type = TB_TYPE_DP_HDMI_OUT }, | |
670 | }; | |
671 | ||
672 | host = alloc_host(test); | |
673 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
674 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
675 | dev3 = alloc_dev_default(test, dev2, 0x30301, true); | |
676 | dev4 = alloc_dev_default(test, dev3, 0x3030301, true); | |
677 | dev5 = alloc_dev_default(test, dev4, 0x303030301, true); | |
678 | dev6 = alloc_dev_with_dpin(test, dev5, 0x30303030301, true); | |
679 | dev7 = alloc_dev_default(test, host, 0x3, true); | |
680 | dev8 = alloc_dev_default(test, dev7, 0x303, true); | |
681 | dev9 = alloc_dev_default(test, dev8, 0x30303, true); | |
682 | dev10 = alloc_dev_default(test, dev9, 0x3030303, true); | |
683 | dev11 = alloc_dev_default(test, dev10, 0x303030303, true); | |
684 | dev12 = alloc_dev_default(test, dev11, 0x30303030303, true); | |
685 | ||
686 | src_port = &dev6->ports[13]; | |
687 | dst_port = &dev12->ports[13]; | |
688 | ||
689 | /* Walk both directions */ | |
690 | ||
691 | i = 0; | |
692 | tb_for_each_port_on_path(src_port, dst_port, p) { | |
693 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
694 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
695 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
696 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
697 | test_data[i].type); | |
698 | i++; | |
699 | } | |
700 | ||
701 | KUNIT_EXPECT_EQ(test, i, (int)ARRAY_SIZE(test_data)); | |
702 | ||
703 | i = ARRAY_SIZE(test_data) - 1; | |
704 | tb_for_each_port_on_path(dst_port, src_port, p) { | |
705 | KUNIT_EXPECT_TRUE(test, i < ARRAY_SIZE(test_data)); | |
706 | KUNIT_EXPECT_EQ(test, tb_route(p->sw), test_data[i].route); | |
707 | KUNIT_EXPECT_EQ(test, p->port, test_data[i].port); | |
708 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)p->config.type, | |
709 | test_data[i].type); | |
710 | i--; | |
711 | } | |
712 | ||
713 | KUNIT_EXPECT_EQ(test, i, -1); | |
714 | } | |
715 | ||
716 | static void tb_test_path_not_connected(struct kunit *test) | |
717 | { | |
718 | struct tb_switch *host, *dev1, *dev2; | |
719 | struct tb_port *down, *up; | |
720 | struct tb_path *path; | |
721 | ||
722 | host = alloc_host(test); | |
723 | dev1 = alloc_dev_default(test, host, 0x3, false); | |
724 | /* Not connected to anything */ | |
725 | dev2 = alloc_dev_default(test, NULL, 0x303, false); | |
726 | ||
727 | down = &dev1->ports[10]; | |
728 | up = &dev2->ports[9]; | |
729 | ||
730 | path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down"); | |
731 | KUNIT_ASSERT_TRUE(test, path == NULL); | |
732 | path = tb_path_alloc(NULL, down, 8, up, 8, 1, "PCIe Down"); | |
733 | KUNIT_ASSERT_TRUE(test, path == NULL); | |
734 | } | |
735 | ||
736 | struct hop_expectation { | |
737 | u64 route; | |
738 | u8 in_port; | |
739 | enum tb_port_type in_type; | |
740 | u8 out_port; | |
741 | enum tb_port_type out_type; | |
742 | }; | |
743 | ||
744 | static void tb_test_path_not_bonded_lane0(struct kunit *test) | |
745 | { | |
746 | /* | |
747 | * PCIe path from host to device using lane 0. | |
748 | * | |
749 | * [Host] | |
750 | * 3 |: 4 | |
751 | * 1 |: 2 | |
752 | * [Device] | |
753 | */ | |
754 | static const struct hop_expectation test_data[] = { | |
755 | { | |
756 | .route = 0x0, | |
757 | .in_port = 9, | |
758 | .in_type = TB_TYPE_PCIE_DOWN, | |
759 | .out_port = 3, | |
760 | .out_type = TB_TYPE_PORT, | |
761 | }, | |
762 | { | |
763 | .route = 0x3, | |
764 | .in_port = 1, | |
765 | .in_type = TB_TYPE_PORT, | |
766 | .out_port = 9, | |
767 | .out_type = TB_TYPE_PCIE_UP, | |
768 | }, | |
769 | }; | |
770 | struct tb_switch *host, *dev; | |
771 | struct tb_port *down, *up; | |
772 | struct tb_path *path; | |
773 | int i; | |
774 | ||
775 | host = alloc_host(test); | |
776 | dev = alloc_dev_default(test, host, 0x3, false); | |
777 | ||
778 | down = &host->ports[9]; | |
779 | up = &dev->ports[9]; | |
780 | ||
781 | path = tb_path_alloc(NULL, down, 8, up, 8, 0, "PCIe Down"); | |
782 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
783 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
784 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
785 | const struct tb_port *in_port, *out_port; | |
786 | ||
787 | in_port = path->hops[i].in_port; | |
788 | out_port = path->hops[i].out_port; | |
789 | ||
790 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
791 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
792 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
793 | test_data[i].in_type); | |
794 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
795 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
796 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
797 | test_data[i].out_type); | |
798 | } | |
799 | tb_path_free(path); | |
800 | } | |
801 | ||
802 | static void tb_test_path_not_bonded_lane1(struct kunit *test) | |
803 | { | |
804 | /* | |
805 | * DP Video path from host to device using lane 1. Paths like | |
806 | * these are only used with Thunderbolt 1 devices where lane | |
807 | * bonding is not possible. USB4 specifically does not allow | |
808 | * paths like this (you either use lane 0 where lane 1 is | |
809 | * disabled or both lanes are bonded). | |
810 | * | |
811 | * [Host] | |
812 | * 1 :| 2 | |
813 | * 1 :| 2 | |
814 | * [Device] | |
815 | */ | |
816 | static const struct hop_expectation test_data[] = { | |
817 | { | |
818 | .route = 0x0, | |
819 | .in_port = 5, | |
820 | .in_type = TB_TYPE_DP_HDMI_IN, | |
821 | .out_port = 2, | |
822 | .out_type = TB_TYPE_PORT, | |
823 | }, | |
824 | { | |
825 | .route = 0x1, | |
826 | .in_port = 2, | |
827 | .in_type = TB_TYPE_PORT, | |
828 | .out_port = 13, | |
829 | .out_type = TB_TYPE_DP_HDMI_OUT, | |
830 | }, | |
831 | }; | |
832 | struct tb_switch *host, *dev; | |
833 | struct tb_port *in, *out; | |
834 | struct tb_path *path; | |
835 | int i; | |
836 | ||
837 | host = alloc_host(test); | |
838 | dev = alloc_dev_default(test, host, 0x1, false); | |
839 | ||
840 | in = &host->ports[5]; | |
841 | out = &dev->ports[13]; | |
842 | ||
843 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
844 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
845 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
846 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
847 | const struct tb_port *in_port, *out_port; | |
848 | ||
849 | in_port = path->hops[i].in_port; | |
850 | out_port = path->hops[i].out_port; | |
851 | ||
852 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
853 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
854 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
855 | test_data[i].in_type); | |
856 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
857 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
858 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
859 | test_data[i].out_type); | |
860 | } | |
861 | tb_path_free(path); | |
862 | } | |
863 | ||
864 | static void tb_test_path_not_bonded_lane1_chain(struct kunit *test) | |
865 | { | |
866 | /* | |
867 | * DP Video path from host to device 3 using lane 1. | |
868 | * | |
869 | * [Host] | |
870 | * 1 :| 2 | |
871 | * 1 :| 2 | |
872 | * [Device #1] | |
873 | * 7 :| 8 | |
874 | * 1 :| 2 | |
875 | * [Device #2] | |
876 | * 5 :| 6 | |
877 | * 1 :| 2 | |
878 | * [Device #3] | |
879 | */ | |
880 | static const struct hop_expectation test_data[] = { | |
881 | { | |
882 | .route = 0x0, | |
883 | .in_port = 5, | |
884 | .in_type = TB_TYPE_DP_HDMI_IN, | |
885 | .out_port = 2, | |
886 | .out_type = TB_TYPE_PORT, | |
887 | }, | |
888 | { | |
889 | .route = 0x1, | |
890 | .in_port = 2, | |
891 | .in_type = TB_TYPE_PORT, | |
892 | .out_port = 8, | |
893 | .out_type = TB_TYPE_PORT, | |
894 | }, | |
895 | { | |
896 | .route = 0x701, | |
897 | .in_port = 2, | |
898 | .in_type = TB_TYPE_PORT, | |
899 | .out_port = 6, | |
900 | .out_type = TB_TYPE_PORT, | |
901 | }, | |
902 | { | |
903 | .route = 0x50701, | |
904 | .in_port = 2, | |
905 | .in_type = TB_TYPE_PORT, | |
906 | .out_port = 13, | |
907 | .out_type = TB_TYPE_DP_HDMI_OUT, | |
908 | }, | |
909 | }; | |
910 | struct tb_switch *host, *dev1, *dev2, *dev3; | |
911 | struct tb_port *in, *out; | |
912 | struct tb_path *path; | |
913 | int i; | |
914 | ||
915 | host = alloc_host(test); | |
916 | dev1 = alloc_dev_default(test, host, 0x1, false); | |
917 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
918 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
919 | ||
920 | in = &host->ports[5]; | |
921 | out = &dev3->ports[13]; | |
922 | ||
923 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
924 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
925 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
926 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
927 | const struct tb_port *in_port, *out_port; | |
928 | ||
929 | in_port = path->hops[i].in_port; | |
930 | out_port = path->hops[i].out_port; | |
931 | ||
932 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
933 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
934 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
935 | test_data[i].in_type); | |
936 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
937 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
938 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
939 | test_data[i].out_type); | |
940 | } | |
941 | tb_path_free(path); | |
942 | } | |
943 | ||
944 | static void tb_test_path_not_bonded_lane1_chain_reverse(struct kunit *test) | |
945 | { | |
946 | /* | |
947 | * DP Video path from device 3 to host using lane 1. | |
948 | * | |
949 | * [Host] | |
950 | * 1 :| 2 | |
951 | * 1 :| 2 | |
952 | * [Device #1] | |
953 | * 7 :| 8 | |
954 | * 1 :| 2 | |
955 | * [Device #2] | |
956 | * 5 :| 6 | |
957 | * 1 :| 2 | |
958 | * [Device #3] | |
959 | */ | |
960 | static const struct hop_expectation test_data[] = { | |
961 | { | |
962 | .route = 0x50701, | |
963 | .in_port = 13, | |
964 | .in_type = TB_TYPE_DP_HDMI_IN, | |
965 | .out_port = 2, | |
966 | .out_type = TB_TYPE_PORT, | |
967 | }, | |
968 | { | |
969 | .route = 0x701, | |
970 | .in_port = 6, | |
971 | .in_type = TB_TYPE_PORT, | |
972 | .out_port = 2, | |
973 | .out_type = TB_TYPE_PORT, | |
974 | }, | |
975 | { | |
976 | .route = 0x1, | |
977 | .in_port = 8, | |
978 | .in_type = TB_TYPE_PORT, | |
979 | .out_port = 2, | |
980 | .out_type = TB_TYPE_PORT, | |
981 | }, | |
982 | { | |
983 | .route = 0x0, | |
984 | .in_port = 2, | |
985 | .in_type = TB_TYPE_PORT, | |
986 | .out_port = 5, | |
987 | .out_type = TB_TYPE_DP_HDMI_IN, | |
988 | }, | |
989 | }; | |
990 | struct tb_switch *host, *dev1, *dev2, *dev3; | |
991 | struct tb_port *in, *out; | |
992 | struct tb_path *path; | |
993 | int i; | |
994 | ||
995 | host = alloc_host(test); | |
996 | dev1 = alloc_dev_default(test, host, 0x1, false); | |
997 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
998 | dev3 = alloc_dev_with_dpin(test, dev2, 0x50701, false); | |
999 | ||
1000 | in = &dev3->ports[13]; | |
1001 | out = &host->ports[5]; | |
1002 | ||
1003 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
1004 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
1005 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
1006 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
1007 | const struct tb_port *in_port, *out_port; | |
1008 | ||
1009 | in_port = path->hops[i].in_port; | |
1010 | out_port = path->hops[i].out_port; | |
1011 | ||
1012 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
1013 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
1014 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
1015 | test_data[i].in_type); | |
1016 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
1017 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
1018 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
1019 | test_data[i].out_type); | |
1020 | } | |
1021 | tb_path_free(path); | |
1022 | } | |
1023 | ||
1024 | static void tb_test_path_mixed_chain(struct kunit *test) | |
1025 | { | |
1026 | /* | |
1027 | * DP Video path from host to device 4 where first and last link | |
1028 | * is bonded. | |
1029 | * | |
1030 | * [Host] | |
1031 | * 1 | | |
1032 | * 1 | | |
1033 | * [Device #1] | |
1034 | * 7 :| 8 | |
1035 | * 1 :| 2 | |
1036 | * [Device #2] | |
1037 | * 5 :| 6 | |
1038 | * 1 :| 2 | |
1039 | * [Device #3] | |
1040 | * 3 | | |
1041 | * 1 | | |
1042 | * [Device #4] | |
1043 | */ | |
1044 | static const struct hop_expectation test_data[] = { | |
1045 | { | |
1046 | .route = 0x0, | |
1047 | .in_port = 5, | |
1048 | .in_type = TB_TYPE_DP_HDMI_IN, | |
1049 | .out_port = 1, | |
1050 | .out_type = TB_TYPE_PORT, | |
1051 | }, | |
1052 | { | |
1053 | .route = 0x1, | |
1054 | .in_port = 1, | |
1055 | .in_type = TB_TYPE_PORT, | |
1056 | .out_port = 8, | |
1057 | .out_type = TB_TYPE_PORT, | |
1058 | }, | |
1059 | { | |
1060 | .route = 0x701, | |
1061 | .in_port = 2, | |
1062 | .in_type = TB_TYPE_PORT, | |
1063 | .out_port = 6, | |
1064 | .out_type = TB_TYPE_PORT, | |
1065 | }, | |
1066 | { | |
1067 | .route = 0x50701, | |
1068 | .in_port = 2, | |
1069 | .in_type = TB_TYPE_PORT, | |
1070 | .out_port = 3, | |
1071 | .out_type = TB_TYPE_PORT, | |
1072 | }, | |
1073 | { | |
1074 | .route = 0x3050701, | |
1075 | .in_port = 1, | |
1076 | .in_type = TB_TYPE_PORT, | |
1077 | .out_port = 13, | |
1078 | .out_type = TB_TYPE_DP_HDMI_OUT, | |
1079 | }, | |
1080 | }; | |
1081 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4; | |
1082 | struct tb_port *in, *out; | |
1083 | struct tb_path *path; | |
1084 | int i; | |
1085 | ||
1086 | host = alloc_host(test); | |
1087 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1088 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1089 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
1090 | dev4 = alloc_dev_default(test, dev3, 0x3050701, true); | |
1091 | ||
1092 | in = &host->ports[5]; | |
1093 | out = &dev4->ports[13]; | |
1094 | ||
1095 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
1096 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
1097 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
1098 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
1099 | const struct tb_port *in_port, *out_port; | |
1100 | ||
1101 | in_port = path->hops[i].in_port; | |
1102 | out_port = path->hops[i].out_port; | |
1103 | ||
1104 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
1105 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
1106 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
1107 | test_data[i].in_type); | |
1108 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
1109 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
1110 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
1111 | test_data[i].out_type); | |
1112 | } | |
1113 | tb_path_free(path); | |
1114 | } | |
1115 | ||
1116 | static void tb_test_path_mixed_chain_reverse(struct kunit *test) | |
1117 | { | |
1118 | /* | |
1119 | * DP Video path from device 4 to host where first and last link | |
1120 | * is bonded. | |
1121 | * | |
1122 | * [Host] | |
1123 | * 1 | | |
1124 | * 1 | | |
1125 | * [Device #1] | |
1126 | * 7 :| 8 | |
1127 | * 1 :| 2 | |
1128 | * [Device #2] | |
1129 | * 5 :| 6 | |
1130 | * 1 :| 2 | |
1131 | * [Device #3] | |
1132 | * 3 | | |
1133 | * 1 | | |
1134 | * [Device #4] | |
1135 | */ | |
1136 | static const struct hop_expectation test_data[] = { | |
1137 | { | |
1138 | .route = 0x3050701, | |
1139 | .in_port = 13, | |
1140 | .in_type = TB_TYPE_DP_HDMI_OUT, | |
1141 | .out_port = 1, | |
1142 | .out_type = TB_TYPE_PORT, | |
1143 | }, | |
1144 | { | |
1145 | .route = 0x50701, | |
1146 | .in_port = 3, | |
1147 | .in_type = TB_TYPE_PORT, | |
1148 | .out_port = 2, | |
1149 | .out_type = TB_TYPE_PORT, | |
1150 | }, | |
1151 | { | |
1152 | .route = 0x701, | |
1153 | .in_port = 6, | |
1154 | .in_type = TB_TYPE_PORT, | |
1155 | .out_port = 2, | |
1156 | .out_type = TB_TYPE_PORT, | |
1157 | }, | |
1158 | { | |
1159 | .route = 0x1, | |
1160 | .in_port = 8, | |
1161 | .in_type = TB_TYPE_PORT, | |
1162 | .out_port = 1, | |
1163 | .out_type = TB_TYPE_PORT, | |
1164 | }, | |
1165 | { | |
1166 | .route = 0x0, | |
1167 | .in_port = 1, | |
1168 | .in_type = TB_TYPE_PORT, | |
1169 | .out_port = 5, | |
1170 | .out_type = TB_TYPE_DP_HDMI_IN, | |
1171 | }, | |
1172 | }; | |
1173 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4; | |
1174 | struct tb_port *in, *out; | |
1175 | struct tb_path *path; | |
1176 | int i; | |
1177 | ||
1178 | host = alloc_host(test); | |
1179 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1180 | dev2 = alloc_dev_default(test, dev1, 0x701, false); | |
1181 | dev3 = alloc_dev_default(test, dev2, 0x50701, false); | |
1182 | dev4 = alloc_dev_default(test, dev3, 0x3050701, true); | |
1183 | ||
1184 | in = &dev4->ports[13]; | |
1185 | out = &host->ports[5]; | |
1186 | ||
1187 | path = tb_path_alloc(NULL, in, 9, out, 9, 1, "Video"); | |
1188 | KUNIT_ASSERT_TRUE(test, path != NULL); | |
1189 | KUNIT_ASSERT_EQ(test, path->path_length, (int)ARRAY_SIZE(test_data)); | |
1190 | for (i = 0; i < ARRAY_SIZE(test_data); i++) { | |
1191 | const struct tb_port *in_port, *out_port; | |
1192 | ||
1193 | in_port = path->hops[i].in_port; | |
1194 | out_port = path->hops[i].out_port; | |
1195 | ||
1196 | KUNIT_EXPECT_EQ(test, tb_route(in_port->sw), test_data[i].route); | |
1197 | KUNIT_EXPECT_EQ(test, in_port->port, test_data[i].in_port); | |
1198 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)in_port->config.type, | |
1199 | test_data[i].in_type); | |
1200 | KUNIT_EXPECT_EQ(test, tb_route(out_port->sw), test_data[i].route); | |
1201 | KUNIT_EXPECT_EQ(test, out_port->port, test_data[i].out_port); | |
1202 | KUNIT_EXPECT_EQ(test, (enum tb_port_type)out_port->config.type, | |
1203 | test_data[i].out_type); | |
1204 | } | |
1205 | tb_path_free(path); | |
1206 | } | |
1207 | ||
40c14d9f MW |
1208 | static void tb_test_tunnel_pcie(struct kunit *test) |
1209 | { | |
1210 | struct tb_switch *host, *dev1, *dev2; | |
1211 | struct tb_tunnel *tunnel1, *tunnel2; | |
1212 | struct tb_port *down, *up; | |
1213 | ||
1214 | /* | |
1215 | * Create PCIe tunnel between host and two devices. | |
1216 | * | |
1217 | * [Host] | |
1218 | * 1 | | |
1219 | * 1 | | |
1220 | * [Device #1] | |
1221 | * 5 | | |
1222 | * 1 | | |
1223 | * [Device #2] | |
1224 | */ | |
1225 | host = alloc_host(test); | |
1226 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1227 | dev2 = alloc_dev_default(test, dev1, 0x501, true); | |
1228 | ||
1229 | down = &host->ports[8]; | |
1230 | up = &dev1->ports[9]; | |
1231 | tunnel1 = tb_tunnel_alloc_pci(NULL, up, down); | |
1232 | KUNIT_ASSERT_TRUE(test, tunnel1 != NULL); | |
1233 | KUNIT_EXPECT_EQ(test, tunnel1->type, (enum tb_tunnel_type)TB_TUNNEL_PCI); | |
1234 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); | |
1235 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); | |
1236 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, (size_t)2); | |
1237 | KUNIT_ASSERT_EQ(test, tunnel1->paths[0]->path_length, 2); | |
1238 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[0].in_port, down); | |
1239 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[1].out_port, up); | |
1240 | KUNIT_ASSERT_EQ(test, tunnel1->paths[1]->path_length, 2); | |
1241 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[0].in_port, up); | |
1242 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[1].out_port, down); | |
1243 | ||
1244 | down = &dev1->ports[10]; | |
1245 | up = &dev2->ports[9]; | |
1246 | tunnel2 = tb_tunnel_alloc_pci(NULL, up, down); | |
1247 | KUNIT_ASSERT_TRUE(test, tunnel2 != NULL); | |
1248 | KUNIT_EXPECT_EQ(test, tunnel2->type, (enum tb_tunnel_type)TB_TUNNEL_PCI); | |
1249 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); | |
1250 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); | |
1251 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, (size_t)2); | |
1252 | KUNIT_ASSERT_EQ(test, tunnel2->paths[0]->path_length, 2); | |
1253 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[0].in_port, down); | |
1254 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[1].out_port, up); | |
1255 | KUNIT_ASSERT_EQ(test, tunnel2->paths[1]->path_length, 2); | |
1256 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[0].in_port, up); | |
1257 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[1].out_port, down); | |
1258 | ||
1259 | tb_tunnel_free(tunnel2); | |
1260 | tb_tunnel_free(tunnel1); | |
1261 | } | |
1262 | ||
1263 | static void tb_test_tunnel_dp(struct kunit *test) | |
1264 | { | |
1265 | struct tb_switch *host, *dev; | |
1266 | struct tb_port *in, *out; | |
1267 | struct tb_tunnel *tunnel; | |
1268 | ||
1269 | /* | |
1270 | * Create DP tunnel between Host and Device | |
1271 | * | |
1272 | * [Host] | |
1273 | * 1 | | |
1274 | * 1 | | |
1275 | * [Device] | |
1276 | */ | |
1277 | host = alloc_host(test); | |
1278 | dev = alloc_dev_default(test, host, 0x3, true); | |
1279 | ||
1280 | in = &host->ports[5]; | |
1281 | out = &dev->ports[13]; | |
1282 | ||
1283 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); | |
1284 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1285 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DP); | |
1286 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); | |
1287 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
1288 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3); | |
1289 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 2); | |
1290 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); | |
1291 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].out_port, out); | |
1292 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 2); | |
1293 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); | |
1294 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].out_port, out); | |
1295 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 2); | |
1296 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); | |
1297 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[1].out_port, in); | |
1298 | tb_tunnel_free(tunnel); | |
1299 | } | |
1300 | ||
1301 | static void tb_test_tunnel_dp_chain(struct kunit *test) | |
1302 | { | |
1303 | struct tb_switch *host, *dev1, *dev4; | |
1304 | struct tb_port *in, *out; | |
1305 | struct tb_tunnel *tunnel; | |
1306 | ||
1307 | /* | |
1308 | * Create DP tunnel from Host DP IN to Device #4 DP OUT. | |
1309 | * | |
1310 | * [Host] | |
1311 | * 1 | | |
1312 | * 1 | | |
1313 | * [Device #1] | |
1314 | * 3 / | 5 \ 7 | |
1315 | * 1 / | \ 1 | |
1316 | * [Device #2] | [Device #4] | |
1317 | * | 1 | |
1318 | * [Device #3] | |
1319 | */ | |
1320 | host = alloc_host(test); | |
1321 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1322 | alloc_dev_default(test, dev1, 0x301, true); | |
1323 | alloc_dev_default(test, dev1, 0x501, true); | |
1324 | dev4 = alloc_dev_default(test, dev1, 0x701, true); | |
1325 | ||
1326 | in = &host->ports[5]; | |
1327 | out = &dev4->ports[14]; | |
1328 | ||
1329 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); | |
1330 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1331 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DP); | |
1332 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); | |
1333 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
1334 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3); | |
1335 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 3); | |
1336 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); | |
1337 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].out_port, out); | |
1338 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 3); | |
1339 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); | |
1340 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].out_port, out); | |
1341 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 3); | |
1342 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); | |
1343 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[2].out_port, in); | |
1344 | tb_tunnel_free(tunnel); | |
1345 | } | |
1346 | ||
1347 | static void tb_test_tunnel_dp_tree(struct kunit *test) | |
1348 | { | |
1349 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev5; | |
1350 | struct tb_port *in, *out; | |
1351 | struct tb_tunnel *tunnel; | |
1352 | ||
1353 | /* | |
1354 | * Create DP tunnel from Device #2 DP IN to Device #5 DP OUT. | |
1355 | * | |
1356 | * [Host] | |
1357 | * 3 | | |
1358 | * 1 | | |
1359 | * [Device #1] | |
1360 | * 3 / | 5 \ 7 | |
1361 | * 1 / | \ 1 | |
1362 | * [Device #2] | [Device #4] | |
1363 | * | 1 | |
1364 | * [Device #3] | |
1365 | * | 5 | |
1366 | * | 1 | |
1367 | * [Device #5] | |
1368 | */ | |
1369 | host = alloc_host(test); | |
1370 | dev1 = alloc_dev_default(test, host, 0x3, true); | |
1371 | dev2 = alloc_dev_with_dpin(test, dev1, 0x303, true); | |
1372 | dev3 = alloc_dev_default(test, dev1, 0x503, true); | |
1373 | alloc_dev_default(test, dev1, 0x703, true); | |
1374 | dev5 = alloc_dev_default(test, dev3, 0x50503, true); | |
1375 | ||
1376 | in = &dev2->ports[13]; | |
1377 | out = &dev5->ports[13]; | |
1378 | ||
1379 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); | |
1380 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1381 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DP); | |
1382 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); | |
1383 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
1384 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3); | |
1385 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 4); | |
1386 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); | |
1387 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[3].out_port, out); | |
1388 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 4); | |
1389 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); | |
1390 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[3].out_port, out); | |
1391 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 4); | |
1392 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); | |
1393 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[3].out_port, in); | |
1394 | tb_tunnel_free(tunnel); | |
1395 | } | |
1396 | ||
1397 | static void tb_test_tunnel_dp_max_length(struct kunit *test) | |
1398 | { | |
1399 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5, *dev6; | |
1400 | struct tb_switch *dev7, *dev8, *dev9, *dev10, *dev11, *dev12; | |
1401 | struct tb_port *in, *out; | |
1402 | struct tb_tunnel *tunnel; | |
1403 | ||
1404 | /* | |
1405 | * Creates DP tunnel from Device #6 to Device #12. | |
1406 | * | |
1407 | * [Host] | |
1408 | * 1 / \ 3 | |
1409 | * 1 / \ 1 | |
1410 | * [Device #1] [Device #7] | |
1411 | * 3 | | 3 | |
1412 | * 1 | | 1 | |
1413 | * [Device #2] [Device #8] | |
1414 | * 3 | | 3 | |
1415 | * 1 | | 1 | |
1416 | * [Device #3] [Device #9] | |
1417 | * 3 | | 3 | |
1418 | * 1 | | 1 | |
1419 | * [Device #4] [Device #10] | |
1420 | * 3 | | 3 | |
1421 | * 1 | | 1 | |
1422 | * [Device #5] [Device #11] | |
1423 | * 3 | | 3 | |
1424 | * 1 | | 1 | |
1425 | * [Device #6] [Device #12] | |
1426 | */ | |
1427 | host = alloc_host(test); | |
1428 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1429 | dev2 = alloc_dev_default(test, dev1, 0x301, true); | |
1430 | dev3 = alloc_dev_default(test, dev2, 0x30301, true); | |
1431 | dev4 = alloc_dev_default(test, dev3, 0x3030301, true); | |
1432 | dev5 = alloc_dev_default(test, dev4, 0x303030301, true); | |
1433 | dev6 = alloc_dev_with_dpin(test, dev5, 0x30303030301, true); | |
1434 | dev7 = alloc_dev_default(test, host, 0x3, true); | |
1435 | dev8 = alloc_dev_default(test, dev7, 0x303, true); | |
1436 | dev9 = alloc_dev_default(test, dev8, 0x30303, true); | |
1437 | dev10 = alloc_dev_default(test, dev9, 0x3030303, true); | |
1438 | dev11 = alloc_dev_default(test, dev10, 0x303030303, true); | |
1439 | dev12 = alloc_dev_default(test, dev11, 0x30303030303, true); | |
1440 | ||
1441 | in = &dev6->ports[13]; | |
1442 | out = &dev12->ports[13]; | |
1443 | ||
1444 | tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); | |
1445 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1446 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DP); | |
1447 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in); | |
1448 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, out); | |
1449 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3); | |
1450 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 13); | |
1451 | /* First hop */ | |
1452 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, in); | |
1453 | /* Middle */ | |
1454 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[6].in_port, | |
1455 | &host->ports[1]); | |
1456 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[6].out_port, | |
1457 | &host->ports[3]); | |
1458 | /* Last */ | |
1459 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[12].out_port, out); | |
1460 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 13); | |
1461 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, in); | |
1462 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[6].in_port, | |
1463 | &host->ports[1]); | |
1464 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[6].out_port, | |
1465 | &host->ports[3]); | |
1466 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[12].out_port, out); | |
1467 | KUNIT_ASSERT_EQ(test, tunnel->paths[2]->path_length, 13); | |
1468 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[0].in_port, out); | |
1469 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[6].in_port, | |
1470 | &host->ports[3]); | |
1471 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[6].out_port, | |
1472 | &host->ports[1]); | |
1473 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[2]->hops[12].out_port, in); | |
1474 | tb_tunnel_free(tunnel); | |
1475 | } | |
1476 | ||
1477 | static void tb_test_tunnel_usb3(struct kunit *test) | |
1478 | { | |
1479 | struct tb_switch *host, *dev1, *dev2; | |
1480 | struct tb_tunnel *tunnel1, *tunnel2; | |
1481 | struct tb_port *down, *up; | |
1482 | ||
1483 | /* | |
1484 | * Create USB3 tunnel between host and two devices. | |
1485 | * | |
1486 | * [Host] | |
1487 | * 1 | | |
1488 | * 1 | | |
1489 | * [Device #1] | |
1490 | * \ 7 | |
1491 | * \ 1 | |
1492 | * [Device #2] | |
1493 | */ | |
1494 | host = alloc_host(test); | |
1495 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1496 | dev2 = alloc_dev_default(test, dev1, 0x701, true); | |
1497 | ||
1498 | down = &host->ports[12]; | |
1499 | up = &dev1->ports[16]; | |
1500 | tunnel1 = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); | |
1501 | KUNIT_ASSERT_TRUE(test, tunnel1 != NULL); | |
1502 | KUNIT_EXPECT_EQ(test, tunnel1->type, (enum tb_tunnel_type)TB_TUNNEL_USB3); | |
1503 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->src_port, down); | |
1504 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->dst_port, up); | |
1505 | KUNIT_ASSERT_EQ(test, tunnel1->npaths, (size_t)2); | |
1506 | KUNIT_ASSERT_EQ(test, tunnel1->paths[0]->path_length, 2); | |
1507 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[0].in_port, down); | |
1508 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[0]->hops[1].out_port, up); | |
1509 | KUNIT_ASSERT_EQ(test, tunnel1->paths[1]->path_length, 2); | |
1510 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[0].in_port, up); | |
1511 | KUNIT_EXPECT_PTR_EQ(test, tunnel1->paths[1]->hops[1].out_port, down); | |
1512 | ||
1513 | down = &dev1->ports[17]; | |
1514 | up = &dev2->ports[16]; | |
1515 | tunnel2 = tb_tunnel_alloc_usb3(NULL, up, down, 0, 0); | |
1516 | KUNIT_ASSERT_TRUE(test, tunnel2 != NULL); | |
1517 | KUNIT_EXPECT_EQ(test, tunnel2->type, (enum tb_tunnel_type)TB_TUNNEL_USB3); | |
1518 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->src_port, down); | |
1519 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->dst_port, up); | |
1520 | KUNIT_ASSERT_EQ(test, tunnel2->npaths, (size_t)2); | |
1521 | KUNIT_ASSERT_EQ(test, tunnel2->paths[0]->path_length, 2); | |
1522 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[0].in_port, down); | |
1523 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[0]->hops[1].out_port, up); | |
1524 | KUNIT_ASSERT_EQ(test, tunnel2->paths[1]->path_length, 2); | |
1525 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[0].in_port, up); | |
1526 | KUNIT_EXPECT_PTR_EQ(test, tunnel2->paths[1]->hops[1].out_port, down); | |
1527 | ||
1528 | tb_tunnel_free(tunnel2); | |
1529 | tb_tunnel_free(tunnel1); | |
1530 | } | |
1531 | ||
1532 | static void tb_test_tunnel_port_on_path(struct kunit *test) | |
1533 | { | |
1534 | struct tb_switch *host, *dev1, *dev2, *dev3, *dev4, *dev5; | |
1535 | struct tb_port *in, *out, *port; | |
1536 | struct tb_tunnel *dp_tunnel; | |
1537 | ||
1538 | /* | |
1539 | * [Host] | |
1540 | * 3 | | |
1541 | * 1 | | |
1542 | * [Device #1] | |
1543 | * 3 / | 5 \ 7 | |
1544 | * 1 / | \ 1 | |
1545 | * [Device #2] | [Device #4] | |
1546 | * | 1 | |
1547 | * [Device #3] | |
1548 | * | 5 | |
1549 | * | 1 | |
1550 | * [Device #5] | |
1551 | */ | |
1552 | host = alloc_host(test); | |
1553 | dev1 = alloc_dev_default(test, host, 0x3, true); | |
1554 | dev2 = alloc_dev_with_dpin(test, dev1, 0x303, true); | |
1555 | dev3 = alloc_dev_default(test, dev1, 0x503, true); | |
1556 | dev4 = alloc_dev_default(test, dev1, 0x703, true); | |
1557 | dev5 = alloc_dev_default(test, dev3, 0x50503, true); | |
1558 | ||
1559 | in = &dev2->ports[13]; | |
1560 | out = &dev5->ports[13]; | |
1561 | ||
1562 | dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0); | |
1563 | KUNIT_ASSERT_TRUE(test, dp_tunnel != NULL); | |
1564 | ||
1565 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, in)); | |
1566 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, out)); | |
1567 | ||
1568 | port = &host->ports[8]; | |
1569 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1570 | ||
1571 | port = &host->ports[3]; | |
1572 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1573 | ||
1574 | port = &dev1->ports[1]; | |
1575 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1576 | ||
1577 | port = &dev1->ports[3]; | |
1578 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1579 | ||
1580 | port = &dev1->ports[5]; | |
1581 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1582 | ||
1583 | port = &dev1->ports[7]; | |
1584 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1585 | ||
1586 | port = &dev3->ports[1]; | |
1587 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1588 | ||
1589 | port = &dev5->ports[1]; | |
1590 | KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1591 | ||
1592 | port = &dev4->ports[1]; | |
1593 | KUNIT_EXPECT_FALSE(test, tb_tunnel_port_on_path(dp_tunnel, port)); | |
1594 | ||
1595 | tb_tunnel_free(dp_tunnel); | |
1596 | } | |
1597 | ||
5adab6cc MW |
1598 | static void tb_test_tunnel_dma(struct kunit *test) |
1599 | { | |
1600 | struct tb_port *nhi, *port; | |
1601 | struct tb_tunnel *tunnel; | |
1602 | struct tb_switch *host; | |
1603 | ||
1604 | /* | |
1605 | * Create DMA tunnel from NHI to port 1 and back. | |
1606 | * | |
1607 | * [Host 1] | |
1608 | * 1 ^ In HopID 1 -> Out HopID 8 | |
1609 | * | | |
1610 | * v In HopID 8 -> Out HopID 1 | |
1611 | * ............ Domain border | |
1612 | * | | |
1613 | * [Host 2] | |
1614 | */ | |
1615 | host = alloc_host(test); | |
1616 | nhi = &host->ports[7]; | |
1617 | port = &host->ports[1]; | |
1618 | ||
1619 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1); | |
1620 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1621 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DMA); | |
1622 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); | |
1623 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
1624 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); | |
1625 | /* RX path */ | |
1626 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); | |
1627 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); | |
1628 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 8); | |
1629 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, nhi); | |
1630 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 1); | |
1631 | /* TX path */ | |
1632 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 1); | |
1633 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, nhi); | |
1634 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].in_hop_index, 1); | |
1635 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].out_port, port); | |
1636 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].next_hop_index, 8); | |
1637 | ||
1638 | tb_tunnel_free(tunnel); | |
1639 | } | |
1640 | ||
1641 | static void tb_test_tunnel_dma_rx(struct kunit *test) | |
1642 | { | |
1643 | struct tb_port *nhi, *port; | |
1644 | struct tb_tunnel *tunnel; | |
1645 | struct tb_switch *host; | |
1646 | ||
1647 | /* | |
1648 | * Create DMA RX tunnel from port 1 to NHI. | |
1649 | * | |
1650 | * [Host 1] | |
1651 | * 1 ^ | |
1652 | * | | |
1653 | * | In HopID 15 -> Out HopID 2 | |
1654 | * ............ Domain border | |
1655 | * | | |
1656 | * [Host 2] | |
1657 | */ | |
1658 | host = alloc_host(test); | |
1659 | nhi = &host->ports[7]; | |
1660 | port = &host->ports[1]; | |
1661 | ||
1662 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, -1, -1, 15, 2); | |
1663 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1664 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DMA); | |
1665 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); | |
1666 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
1667 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)1); | |
1668 | /* RX path */ | |
1669 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); | |
1670 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); | |
1671 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 15); | |
1672 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, nhi); | |
1673 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 2); | |
1674 | ||
1675 | tb_tunnel_free(tunnel); | |
1676 | } | |
1677 | ||
1678 | static void tb_test_tunnel_dma_tx(struct kunit *test) | |
1679 | { | |
1680 | struct tb_port *nhi, *port; | |
1681 | struct tb_tunnel *tunnel; | |
1682 | struct tb_switch *host; | |
1683 | ||
1684 | /* | |
1685 | * Create DMA TX tunnel from NHI to port 1. | |
1686 | * | |
1687 | * [Host 1] | |
1688 | * 1 | In HopID 2 -> Out HopID 15 | |
1689 | * | | |
1690 | * v | |
1691 | * ............ Domain border | |
1692 | * | | |
1693 | * [Host 2] | |
1694 | */ | |
1695 | host = alloc_host(test); | |
1696 | nhi = &host->ports[7]; | |
1697 | port = &host->ports[1]; | |
1698 | ||
1699 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 2, -1, -1); | |
1700 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1701 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DMA); | |
1702 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); | |
1703 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
1704 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)1); | |
1705 | /* TX path */ | |
1706 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 1); | |
1707 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, nhi); | |
1708 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 2); | |
1709 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, port); | |
1710 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].next_hop_index, 15); | |
1711 | ||
1712 | tb_tunnel_free(tunnel); | |
1713 | } | |
1714 | ||
1715 | static void tb_test_tunnel_dma_chain(struct kunit *test) | |
1716 | { | |
1717 | struct tb_switch *host, *dev1, *dev2; | |
1718 | struct tb_port *nhi, *port; | |
1719 | struct tb_tunnel *tunnel; | |
1720 | ||
1721 | /* | |
1722 | * Create DMA tunnel from NHI to Device #2 port 3 and back. | |
1723 | * | |
1724 | * [Host 1] | |
1725 | * 1 ^ In HopID 1 -> Out HopID x | |
1726 | * | | |
1727 | * 1 | In HopID x -> Out HopID 1 | |
1728 | * [Device #1] | |
1729 | * 7 \ | |
1730 | * 1 \ | |
1731 | * [Device #2] | |
1732 | * 3 | In HopID x -> Out HopID 8 | |
1733 | * | | |
1734 | * v In HopID 8 -> Out HopID x | |
1735 | * ............ Domain border | |
1736 | * | | |
1737 | * [Host 2] | |
1738 | */ | |
1739 | host = alloc_host(test); | |
1740 | dev1 = alloc_dev_default(test, host, 0x1, true); | |
1741 | dev2 = alloc_dev_default(test, dev1, 0x701, true); | |
1742 | ||
1743 | nhi = &host->ports[7]; | |
1744 | port = &dev2->ports[3]; | |
1745 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 8, 1, 8, 1); | |
1746 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1747 | KUNIT_EXPECT_EQ(test, tunnel->type, (enum tb_tunnel_type)TB_TUNNEL_DMA); | |
1748 | KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, nhi); | |
1749 | KUNIT_EXPECT_PTR_EQ(test, tunnel->dst_port, port); | |
1750 | KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2); | |
1751 | /* RX path */ | |
1752 | KUNIT_ASSERT_EQ(test, tunnel->paths[0]->path_length, 3); | |
1753 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].in_port, port); | |
1754 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[0].in_hop_index, 8); | |
1755 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[0].out_port, | |
1756 | &dev2->ports[1]); | |
1757 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].in_port, | |
1758 | &dev1->ports[7]); | |
1759 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[1].out_port, | |
1760 | &dev1->ports[1]); | |
1761 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].in_port, | |
1762 | &host->ports[1]); | |
1763 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[0]->hops[2].out_port, nhi); | |
1764 | KUNIT_EXPECT_EQ(test, tunnel->paths[0]->hops[2].next_hop_index, 1); | |
1765 | /* TX path */ | |
1766 | KUNIT_ASSERT_EQ(test, tunnel->paths[1]->path_length, 3); | |
1767 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[0].in_port, nhi); | |
1768 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[0].in_hop_index, 1); | |
1769 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].in_port, | |
1770 | &dev1->ports[1]); | |
1771 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[1].out_port, | |
1772 | &dev1->ports[7]); | |
1773 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].in_port, | |
1774 | &dev2->ports[1]); | |
1775 | KUNIT_EXPECT_PTR_EQ(test, tunnel->paths[1]->hops[2].out_port, port); | |
1776 | KUNIT_EXPECT_EQ(test, tunnel->paths[1]->hops[2].next_hop_index, 8); | |
1777 | ||
1778 | tb_tunnel_free(tunnel); | |
1779 | } | |
1780 | ||
1781 | static void tb_test_tunnel_dma_match(struct kunit *test) | |
1782 | { | |
1783 | struct tb_port *nhi, *port; | |
1784 | struct tb_tunnel *tunnel; | |
1785 | struct tb_switch *host; | |
1786 | ||
1787 | host = alloc_host(test); | |
1788 | nhi = &host->ports[7]; | |
1789 | port = &host->ports[1]; | |
1790 | ||
1791 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 1, 15, 1); | |
1792 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1793 | ||
1794 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, 15, 1)); | |
1795 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 8, 1, 15, 1)); | |
1796 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); | |
1797 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, -1, -1)); | |
1798 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, -1, -1, -1)); | |
1799 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, 1, -1, -1)); | |
1800 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, -1)); | |
1801 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, 1)); | |
1802 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); | |
1803 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 8, -1, 8, -1)); | |
1804 | ||
1805 | tb_tunnel_free(tunnel); | |
1806 | ||
1807 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, 15, 1, -1, -1); | |
1808 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1809 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, 1, -1, -1)); | |
1810 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, 15, -1, -1, -1)); | |
1811 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, 1, -1, -1)); | |
1812 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); | |
1813 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 1, 15, 1)); | |
1814 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); | |
1815 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 11, -1, -1)); | |
1816 | ||
1817 | tb_tunnel_free(tunnel); | |
1818 | ||
1819 | tunnel = tb_tunnel_alloc_dma(NULL, nhi, port, -1, -1, 15, 11); | |
1820 | KUNIT_ASSERT_TRUE(test, tunnel != NULL); | |
1821 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 11)); | |
1822 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, -1)); | |
1823 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, 11)); | |
1824 | KUNIT_ASSERT_TRUE(test, tb_tunnel_match_dma(tunnel, -1, -1, -1, -1)); | |
1825 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 15, 1)); | |
1826 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, -1, -1, 10, 11)); | |
1827 | KUNIT_ASSERT_FALSE(test, tb_tunnel_match_dma(tunnel, 15, 11, -1, -1)); | |
1828 | ||
1829 | tb_tunnel_free(tunnel); | |
1830 | } | |
1831 | ||
15a4c7e8 MW |
1832 | static const u32 root_directory[] = { |
1833 | 0x55584401, /* "UXD" v1 */ | |
1834 | 0x00000018, /* Root directory length */ | |
1835 | 0x76656e64, /* "vend" */ | |
1836 | 0x6f726964, /* "orid" */ | |
1837 | 0x76000001, /* "v" R 1 */ | |
1838 | 0x00000a27, /* Immediate value, ! Vendor ID */ | |
1839 | 0x76656e64, /* "vend" */ | |
1840 | 0x6f726964, /* "orid" */ | |
1841 | 0x74000003, /* "t" R 3 */ | |
1842 | 0x0000001a, /* Text leaf offset, (“Apple Inc.”) */ | |
1843 | 0x64657669, /* "devi" */ | |
1844 | 0x63656964, /* "ceid" */ | |
1845 | 0x76000001, /* "v" R 1 */ | |
1846 | 0x0000000a, /* Immediate value, ! Device ID */ | |
1847 | 0x64657669, /* "devi" */ | |
1848 | 0x63656964, /* "ceid" */ | |
1849 | 0x74000003, /* "t" R 3 */ | |
1850 | 0x0000001d, /* Text leaf offset, (“Macintosh”) */ | |
1851 | 0x64657669, /* "devi" */ | |
1852 | 0x63657276, /* "cerv" */ | |
1853 | 0x76000001, /* "v" R 1 */ | |
1854 | 0x80000100, /* Immediate value, Device Revision */ | |
1855 | 0x6e657477, /* "netw" */ | |
1856 | 0x6f726b00, /* "ork" */ | |
1857 | 0x44000014, /* "D" R 20 */ | |
1858 | 0x00000021, /* Directory data offset, (Network Directory) */ | |
1859 | 0x4170706c, /* "Appl" */ | |
1860 | 0x6520496e, /* "e In" */ | |
1861 | 0x632e0000, /* "c." ! */ | |
1862 | 0x4d616369, /* "Maci" */ | |
1863 | 0x6e746f73, /* "ntos" */ | |
1864 | 0x68000000, /* "h" */ | |
1865 | 0x00000000, /* padding */ | |
1866 | 0xca8961c6, /* Directory UUID, Network Directory */ | |
1867 | 0x9541ce1c, /* Directory UUID, Network Directory */ | |
1868 | 0x5949b8bd, /* Directory UUID, Network Directory */ | |
1869 | 0x4f5a5f2e, /* Directory UUID, Network Directory */ | |
1870 | 0x70727463, /* "prtc" */ | |
1871 | 0x69640000, /* "id" */ | |
1872 | 0x76000001, /* "v" R 1 */ | |
1873 | 0x00000001, /* Immediate value, Network Protocol ID */ | |
1874 | 0x70727463, /* "prtc" */ | |
1875 | 0x76657273, /* "vers" */ | |
1876 | 0x76000001, /* "v" R 1 */ | |
1877 | 0x00000001, /* Immediate value, Network Protocol Version */ | |
1878 | 0x70727463, /* "prtc" */ | |
1879 | 0x72657673, /* "revs" */ | |
1880 | 0x76000001, /* "v" R 1 */ | |
1881 | 0x00000001, /* Immediate value, Network Protocol Revision */ | |
1882 | 0x70727463, /* "prtc" */ | |
1883 | 0x73746e73, /* "stns" */ | |
1884 | 0x76000001, /* "v" R 1 */ | |
1885 | 0x00000000, /* Immediate value, Network Protocol Settings */ | |
1886 | }; | |
1887 | ||
1888 | static const uuid_t network_dir_uuid = | |
1889 | UUID_INIT(0xc66189ca, 0x1cce, 0x4195, | |
1890 | 0xbd, 0xb8, 0x49, 0x59, 0x2e, 0x5f, 0x5a, 0x4f); | |
1891 | ||
1892 | static void tb_test_property_parse(struct kunit *test) | |
1893 | { | |
1894 | struct tb_property_dir *dir, *network_dir; | |
1895 | struct tb_property *p; | |
1896 | ||
1897 | dir = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory)); | |
1898 | KUNIT_ASSERT_TRUE(test, dir != NULL); | |
1899 | ||
1900 | p = tb_property_find(dir, "foo", TB_PROPERTY_TYPE_TEXT); | |
1901 | KUNIT_ASSERT_TRUE(test, !p); | |
1902 | ||
1903 | p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_TEXT); | |
1904 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1905 | KUNIT_EXPECT_STREQ(test, p->value.text, "Apple Inc."); | |
1906 | ||
1907 | p = tb_property_find(dir, "vendorid", TB_PROPERTY_TYPE_VALUE); | |
1908 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1909 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0xa27); | |
1910 | ||
1911 | p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_TEXT); | |
1912 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1913 | KUNIT_EXPECT_STREQ(test, p->value.text, "Macintosh"); | |
1914 | ||
1915 | p = tb_property_find(dir, "deviceid", TB_PROPERTY_TYPE_VALUE); | |
1916 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1917 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0xa); | |
1918 | ||
1919 | p = tb_property_find(dir, "missing", TB_PROPERTY_TYPE_DIRECTORY); | |
1920 | KUNIT_ASSERT_TRUE(test, !p); | |
1921 | ||
1922 | p = tb_property_find(dir, "network", TB_PROPERTY_TYPE_DIRECTORY); | |
1923 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1924 | ||
1925 | network_dir = p->value.dir; | |
1926 | KUNIT_EXPECT_TRUE(test, uuid_equal(network_dir->uuid, &network_dir_uuid)); | |
1927 | ||
1928 | p = tb_property_find(network_dir, "prtcid", TB_PROPERTY_TYPE_VALUE); | |
1929 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1930 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0x1); | |
1931 | ||
1932 | p = tb_property_find(network_dir, "prtcvers", TB_PROPERTY_TYPE_VALUE); | |
1933 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1934 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0x1); | |
1935 | ||
1936 | p = tb_property_find(network_dir, "prtcrevs", TB_PROPERTY_TYPE_VALUE); | |
1937 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1938 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0x1); | |
1939 | ||
1940 | p = tb_property_find(network_dir, "prtcstns", TB_PROPERTY_TYPE_VALUE); | |
1941 | KUNIT_ASSERT_TRUE(test, p != NULL); | |
1942 | KUNIT_EXPECT_EQ(test, p->value.immediate, (u32)0x0); | |
1943 | ||
1944 | p = tb_property_find(network_dir, "deviceid", TB_PROPERTY_TYPE_VALUE); | |
1945 | KUNIT_EXPECT_TRUE(test, !p); | |
1946 | p = tb_property_find(network_dir, "deviceid", TB_PROPERTY_TYPE_TEXT); | |
1947 | KUNIT_EXPECT_TRUE(test, !p); | |
1948 | ||
1949 | tb_property_free_dir(dir); | |
1950 | } | |
1951 | ||
1952 | static void tb_test_property_format(struct kunit *test) | |
1953 | { | |
1954 | struct tb_property_dir *dir; | |
1955 | ssize_t block_len; | |
1956 | u32 *block; | |
1957 | int ret, i; | |
1958 | ||
1959 | dir = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory)); | |
1960 | KUNIT_ASSERT_TRUE(test, dir != NULL); | |
1961 | ||
1962 | ret = tb_property_format_dir(dir, NULL, 0); | |
1963 | KUNIT_ASSERT_EQ(test, ret, (int)ARRAY_SIZE(root_directory)); | |
1964 | ||
1965 | block_len = ret; | |
1966 | ||
1967 | block = kunit_kzalloc(test, block_len * sizeof(u32), GFP_KERNEL); | |
1968 | KUNIT_ASSERT_TRUE(test, block != NULL); | |
1969 | ||
1970 | ret = tb_property_format_dir(dir, block, block_len); | |
1971 | KUNIT_EXPECT_EQ(test, ret, 0); | |
1972 | ||
1973 | for (i = 0; i < ARRAY_SIZE(root_directory); i++) | |
1974 | KUNIT_EXPECT_EQ(test, root_directory[i], block[i]); | |
1975 | ||
1976 | tb_property_free_dir(dir); | |
1977 | } | |
1978 | ||
1979 | static void compare_dirs(struct kunit *test, struct tb_property_dir *d1, | |
1980 | struct tb_property_dir *d2) | |
1981 | { | |
1982 | struct tb_property *p1, *p2, *tmp; | |
1983 | int n1, n2, i; | |
1984 | ||
1985 | if (d1->uuid) { | |
1986 | KUNIT_ASSERT_TRUE(test, d2->uuid != NULL); | |
1987 | KUNIT_ASSERT_TRUE(test, uuid_equal(d1->uuid, d2->uuid)); | |
1988 | } else { | |
1989 | KUNIT_ASSERT_TRUE(test, d2->uuid == NULL); | |
1990 | } | |
1991 | ||
1992 | n1 = 0; | |
1993 | tb_property_for_each(d1, tmp) | |
1994 | n1++; | |
1995 | KUNIT_ASSERT_NE(test, n1, 0); | |
1996 | ||
1997 | n2 = 0; | |
1998 | tb_property_for_each(d2, tmp) | |
1999 | n2++; | |
2000 | KUNIT_ASSERT_NE(test, n2, 0); | |
2001 | ||
2002 | KUNIT_ASSERT_EQ(test, n1, n2); | |
2003 | ||
2004 | p1 = NULL; | |
2005 | p2 = NULL; | |
2006 | for (i = 0; i < n1; i++) { | |
2007 | p1 = tb_property_get_next(d1, p1); | |
2008 | KUNIT_ASSERT_TRUE(test, p1 != NULL); | |
2009 | p2 = tb_property_get_next(d2, p2); | |
2010 | KUNIT_ASSERT_TRUE(test, p2 != NULL); | |
2011 | ||
2012 | KUNIT_ASSERT_STREQ(test, &p1->key[0], &p2->key[0]); | |
2013 | KUNIT_ASSERT_EQ(test, p1->type, p2->type); | |
2014 | KUNIT_ASSERT_EQ(test, p1->length, p2->length); | |
2015 | ||
2016 | switch (p1->type) { | |
2017 | case TB_PROPERTY_TYPE_DIRECTORY: | |
2018 | KUNIT_ASSERT_TRUE(test, p1->value.dir != NULL); | |
2019 | KUNIT_ASSERT_TRUE(test, p2->value.dir != NULL); | |
2020 | compare_dirs(test, p1->value.dir, p2->value.dir); | |
2021 | break; | |
2022 | ||
2023 | case TB_PROPERTY_TYPE_DATA: | |
2024 | KUNIT_ASSERT_TRUE(test, p1->value.data != NULL); | |
2025 | KUNIT_ASSERT_TRUE(test, p2->value.data != NULL); | |
2026 | KUNIT_ASSERT_TRUE(test, | |
2027 | !memcmp(p1->value.data, p2->value.data, | |
2028 | p1->length * 4) | |
2029 | ); | |
2030 | break; | |
2031 | ||
2032 | case TB_PROPERTY_TYPE_TEXT: | |
2033 | KUNIT_ASSERT_TRUE(test, p1->value.text != NULL); | |
2034 | KUNIT_ASSERT_TRUE(test, p2->value.text != NULL); | |
2035 | KUNIT_ASSERT_STREQ(test, p1->value.text, p2->value.text); | |
2036 | break; | |
2037 | ||
2038 | case TB_PROPERTY_TYPE_VALUE: | |
2039 | KUNIT_ASSERT_EQ(test, p1->value.immediate, | |
2040 | p2->value.immediate); | |
2041 | break; | |
2042 | default: | |
2043 | KUNIT_FAIL(test, "unexpected property type"); | |
2044 | break; | |
2045 | } | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | static void tb_test_property_copy(struct kunit *test) | |
2050 | { | |
2051 | struct tb_property_dir *src, *dst; | |
2052 | u32 *block; | |
2053 | int ret, i; | |
2054 | ||
2055 | src = tb_property_parse_dir(root_directory, ARRAY_SIZE(root_directory)); | |
2056 | KUNIT_ASSERT_TRUE(test, src != NULL); | |
2057 | ||
2058 | dst = tb_property_copy_dir(src); | |
2059 | KUNIT_ASSERT_TRUE(test, dst != NULL); | |
2060 | ||
2061 | /* Compare the structures */ | |
2062 | compare_dirs(test, src, dst); | |
2063 | ||
2064 | /* Compare the resulting property block */ | |
2065 | ret = tb_property_format_dir(dst, NULL, 0); | |
2066 | KUNIT_ASSERT_EQ(test, ret, (int)ARRAY_SIZE(root_directory)); | |
2067 | ||
2068 | block = kunit_kzalloc(test, sizeof(root_directory), GFP_KERNEL); | |
2069 | KUNIT_ASSERT_TRUE(test, block != NULL); | |
2070 | ||
2071 | ret = tb_property_format_dir(dst, block, ARRAY_SIZE(root_directory)); | |
2072 | KUNIT_EXPECT_TRUE(test, !ret); | |
2073 | ||
2074 | for (i = 0; i < ARRAY_SIZE(root_directory); i++) | |
2075 | KUNIT_EXPECT_EQ(test, root_directory[i], block[i]); | |
2076 | ||
2077 | tb_property_free_dir(dst); | |
2078 | tb_property_free_dir(src); | |
2079 | } | |
2080 | ||
54509f50 MW |
2081 | static struct kunit_case tb_test_cases[] = { |
2082 | KUNIT_CASE(tb_test_path_basic), | |
2083 | KUNIT_CASE(tb_test_path_not_connected_walk), | |
2084 | KUNIT_CASE(tb_test_path_single_hop_walk), | |
2085 | KUNIT_CASE(tb_test_path_daisy_chain_walk), | |
2086 | KUNIT_CASE(tb_test_path_simple_tree_walk), | |
2087 | KUNIT_CASE(tb_test_path_complex_tree_walk), | |
2088 | KUNIT_CASE(tb_test_path_max_length_walk), | |
2089 | KUNIT_CASE(tb_test_path_not_connected), | |
2090 | KUNIT_CASE(tb_test_path_not_bonded_lane0), | |
2091 | KUNIT_CASE(tb_test_path_not_bonded_lane1), | |
2092 | KUNIT_CASE(tb_test_path_not_bonded_lane1_chain), | |
2093 | KUNIT_CASE(tb_test_path_not_bonded_lane1_chain_reverse), | |
2094 | KUNIT_CASE(tb_test_path_mixed_chain), | |
2095 | KUNIT_CASE(tb_test_path_mixed_chain_reverse), | |
40c14d9f MW |
2096 | KUNIT_CASE(tb_test_tunnel_pcie), |
2097 | KUNIT_CASE(tb_test_tunnel_dp), | |
2098 | KUNIT_CASE(tb_test_tunnel_dp_chain), | |
2099 | KUNIT_CASE(tb_test_tunnel_dp_tree), | |
2100 | KUNIT_CASE(tb_test_tunnel_dp_max_length), | |
2101 | KUNIT_CASE(tb_test_tunnel_port_on_path), | |
2102 | KUNIT_CASE(tb_test_tunnel_usb3), | |
5adab6cc MW |
2103 | KUNIT_CASE(tb_test_tunnel_dma), |
2104 | KUNIT_CASE(tb_test_tunnel_dma_rx), | |
2105 | KUNIT_CASE(tb_test_tunnel_dma_tx), | |
2106 | KUNIT_CASE(tb_test_tunnel_dma_chain), | |
2107 | KUNIT_CASE(tb_test_tunnel_dma_match), | |
15a4c7e8 MW |
2108 | KUNIT_CASE(tb_test_property_parse), |
2109 | KUNIT_CASE(tb_test_property_format), | |
2110 | KUNIT_CASE(tb_test_property_copy), | |
54509f50 MW |
2111 | { } |
2112 | }; | |
2113 | ||
2114 | static struct kunit_suite tb_test_suite = { | |
2115 | .name = "thunderbolt", | |
2116 | .test_cases = tb_test_cases, | |
2117 | }; | |
2c6ea4e2 MW |
2118 | |
2119 | static struct kunit_suite *tb_test_suites[] = { &tb_test_suite, NULL }; | |
2120 | ||
2121 | int tb_test_init(void) | |
2122 | { | |
2123 | return __kunit_test_suites_init(tb_test_suites); | |
2124 | } | |
2125 | ||
2126 | void tb_test_exit(void) | |
2127 | { | |
2128 | return __kunit_test_suites_exit(tb_test_suites); | |
2129 | } |