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66609952
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1/*
2 * QTest testcase for the ASPEED Hash and Crypto Engine
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2021 IBM Corp.
6 */
7
8#include "qemu/osdep.h"
9
10#include "libqos/libqtest.h"
66609952
JS
11#include "qemu/bitops.h"
12
13#define HACE_CMD 0x10
14#define HACE_SHA_BE_EN BIT(3)
15#define HACE_MD5_LE_EN BIT(2)
16#define HACE_ALGO_MD5 0
17#define HACE_ALGO_SHA1 BIT(5)
18#define HACE_ALGO_SHA224 BIT(6)
19#define HACE_ALGO_SHA256 (BIT(4) | BIT(6))
20#define HACE_ALGO_SHA512 (BIT(5) | BIT(6))
21#define HACE_ALGO_SHA384 (BIT(5) | BIT(6) | BIT(10))
22#define HACE_SG_EN BIT(18)
23
24#define HACE_STS 0x1c
25#define HACE_RSA_ISR BIT(13)
26#define HACE_CRYPTO_ISR BIT(12)
27#define HACE_HASH_ISR BIT(9)
28#define HACE_RSA_BUSY BIT(2)
29#define HACE_CRYPTO_BUSY BIT(1)
30#define HACE_HASH_BUSY BIT(0)
31#define HACE_HASH_SRC 0x20
32#define HACE_HASH_DIGEST 0x24
33#define HACE_HASH_KEY_BUFF 0x28
34#define HACE_HASH_DATA_LEN 0x2c
35#define HACE_HASH_CMD 0x30
36/* Scatter-Gather Hash */
37#define SG_LIST_LEN_LAST BIT(31)
38struct AspeedSgList {
39 uint32_t len;
40 uint32_t addr;
41} __attribute__ ((__packed__));
42
43/*
44 * Test vector is the ascii "abc"
45 *
46 * Expected results were generated using command line utitiles:
47 *
48 * echo -n -e 'abc' | dd of=/tmp/test
49 * for hash in sha512sum sha256sum md5sum; do $hash /tmp/test; done
50 *
51 */
52static const uint8_t test_vector[] = {0x61, 0x62, 0x63};
53
54static const uint8_t test_result_sha512[] = {
55 0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, 0xcc, 0x41, 0x73, 0x49,
56 0xae, 0x20, 0x41, 0x31, 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2,
57 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a, 0x21, 0x92, 0x99, 0x2a,
58 0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
59 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f,
60 0xa5, 0x4c, 0xa4, 0x9f};
61
62static const uint8_t test_result_sha256[] = {
63 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
64 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
65 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad};
66
67static const uint8_t test_result_md5[] = {
68 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d,
69 0x28, 0xe1, 0x7f, 0x72};
70
71/*
72 * The Scatter-Gather Test vector is the ascii "abc" "def" "ghi", broken
73 * into blocks of 3 characters as shown
74 *
75 * Expected results were generated using command line utitiles:
76 *
77 * echo -n -e 'abcdefghijkl' | dd of=/tmp/test
78 * for hash in sha512sum sha256sum; do $hash /tmp/test; done
79 *
80 */
81static const uint8_t test_vector_sg1[] = {0x61, 0x62, 0x63, 0x64, 0x65, 0x66};
82static const uint8_t test_vector_sg2[] = {0x67, 0x68, 0x69};
83static const uint8_t test_vector_sg3[] = {0x6a, 0x6b, 0x6c};
84
85static const uint8_t test_result_sg_sha512[] = {
86 0x17, 0x80, 0x7c, 0x72, 0x8e, 0xe3, 0xba, 0x35, 0xe7, 0xcf, 0x7a, 0xf8,
87 0x23, 0x11, 0x6d, 0x26, 0xe4, 0x1e, 0x5d, 0x4d, 0x6c, 0x2f, 0xf1, 0xf3,
88 0x72, 0x0d, 0x3d, 0x96, 0xaa, 0xcb, 0x6f, 0x69, 0xde, 0x64, 0x2e, 0x63,
89 0xd5, 0xb7, 0x3f, 0xc3, 0x96, 0xc1, 0x2b, 0xe3, 0x8b, 0x2b, 0xd5, 0xd8,
90 0x84, 0x25, 0x7c, 0x32, 0xc8, 0xf6, 0xd0, 0x85, 0x4a, 0xe6, 0xb5, 0x40,
91 0xf8, 0x6d, 0xda, 0x2e};
92
93static const uint8_t test_result_sg_sha256[] = {
94 0xd6, 0x82, 0xed, 0x4c, 0xa4, 0xd9, 0x89, 0xc1, 0x34, 0xec, 0x94, 0xf1,
95 0x55, 0x1e, 0x1e, 0xc5, 0x80, 0xdd, 0x6d, 0x5a, 0x6e, 0xcd, 0xe9, 0xf3,
96 0xd3, 0x5e, 0x6e, 0x4a, 0x71, 0x7f, 0xbd, 0xe4};
97
98
99static void write_regs(QTestState *s, uint32_t base, uint32_t src,
100 uint32_t length, uint32_t out, uint32_t method)
101{
102 qtest_writel(s, base + HACE_HASH_SRC, src);
103 qtest_writel(s, base + HACE_HASH_DIGEST, out);
104 qtest_writel(s, base + HACE_HASH_DATA_LEN, length);
105 qtest_writel(s, base + HACE_HASH_CMD, HACE_SHA_BE_EN | method);
106}
107
108static void test_md5(const char *machine, const uint32_t base,
109 const uint32_t src_addr)
110
111{
112 QTestState *s = qtest_init(machine);
113
114 uint32_t digest_addr = src_addr + 0x01000000;
115 uint8_t digest[16] = {0};
116
117 /* Check engine is idle, no busy or irq bits set */
118 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
119
120 /* Write test vector into memory */
121 qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
122
123 write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_MD5);
124
125 /* Check hash IRQ status is asserted */
126 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
127
128 /* Clear IRQ status and check status is deasserted */
129 qtest_writel(s, base + HACE_STS, 0x00000200);
130 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
131
132 /* Read computed digest from memory */
133 qtest_memread(s, digest_addr, digest, sizeof(digest));
134
135 /* Check result of computation */
136 g_assert_cmpmem(digest, sizeof(digest),
137 test_result_md5, sizeof(digest));
138
139 qtest_quit(s);
140}
141
142static void test_sha256(const char *machine, const uint32_t base,
143 const uint32_t src_addr)
144{
145 QTestState *s = qtest_init(machine);
146
147 const uint32_t digest_addr = src_addr + 0x1000000;
148 uint8_t digest[32] = {0};
149
150 /* Check engine is idle, no busy or irq bits set */
151 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
152
153 /* Write test vector into memory */
154 qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
155
156 write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA256);
157
158 /* Check hash IRQ status is asserted */
159 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
160
161 /* Clear IRQ status and check status is deasserted */
162 qtest_writel(s, base + HACE_STS, 0x00000200);
163 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
164
165 /* Read computed digest from memory */
166 qtest_memread(s, digest_addr, digest, sizeof(digest));
167
168 /* Check result of computation */
169 g_assert_cmpmem(digest, sizeof(digest),
170 test_result_sha256, sizeof(digest));
171
172 qtest_quit(s);
173}
174
175static void test_sha512(const char *machine, const uint32_t base,
176 const uint32_t src_addr)
177{
178 QTestState *s = qtest_init(machine);
179
180 const uint32_t digest_addr = src_addr + 0x1000000;
181 uint8_t digest[64] = {0};
182
183 /* Check engine is idle, no busy or irq bits set */
184 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
185
186 /* Write test vector into memory */
187 qtest_memwrite(s, src_addr, test_vector, sizeof(test_vector));
188
189 write_regs(s, base, src_addr, sizeof(test_vector), digest_addr, HACE_ALGO_SHA512);
190
191 /* Check hash IRQ status is asserted */
192 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
193
194 /* Clear IRQ status and check status is deasserted */
195 qtest_writel(s, base + HACE_STS, 0x00000200);
196 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
197
198 /* Read computed digest from memory */
199 qtest_memread(s, digest_addr, digest, sizeof(digest));
200
201 /* Check result of computation */
202 g_assert_cmpmem(digest, sizeof(digest),
203 test_result_sha512, sizeof(digest));
204
205 qtest_quit(s);
206}
207
208static void test_sha256_sg(const char *machine, const uint32_t base,
209 const uint32_t src_addr)
210{
211 QTestState *s = qtest_init(machine);
212
213 const uint32_t src_addr_1 = src_addr + 0x1000000;
214 const uint32_t src_addr_2 = src_addr + 0x2000000;
215 const uint32_t src_addr_3 = src_addr + 0x3000000;
216 const uint32_t digest_addr = src_addr + 0x4000000;
217 uint8_t digest[32] = {0};
218 struct AspeedSgList array[] = {
219 { cpu_to_le32(sizeof(test_vector_sg1)),
220 cpu_to_le32(src_addr_1) },
221 { cpu_to_le32(sizeof(test_vector_sg2)),
222 cpu_to_le32(src_addr_2) },
223 { cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST),
224 cpu_to_le32(src_addr_3) },
225 };
226
227 /* Check engine is idle, no busy or irq bits set */
228 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
229
230 /* Write test vector into memory */
231 qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1));
232 qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2));
233 qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3));
234 qtest_memwrite(s, src_addr, array, sizeof(array));
235
236 write_regs(s, base, src_addr,
237 (sizeof(test_vector_sg1)
238 + sizeof(test_vector_sg2)
239 + sizeof(test_vector_sg3)),
240 digest_addr, HACE_ALGO_SHA256 | HACE_SG_EN);
241
242 /* Check hash IRQ status is asserted */
243 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
244
245 /* Clear IRQ status and check status is deasserted */
246 qtest_writel(s, base + HACE_STS, 0x00000200);
247 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
248
249 /* Read computed digest from memory */
250 qtest_memread(s, digest_addr, digest, sizeof(digest));
251
252 /* Check result of computation */
253 g_assert_cmpmem(digest, sizeof(digest),
254 test_result_sg_sha256, sizeof(digest));
255
256 qtest_quit(s);
257}
258
259static void test_sha512_sg(const char *machine, const uint32_t base,
260 const uint32_t src_addr)
261{
262 QTestState *s = qtest_init(machine);
263
264 const uint32_t src_addr_1 = src_addr + 0x1000000;
265 const uint32_t src_addr_2 = src_addr + 0x2000000;
266 const uint32_t src_addr_3 = src_addr + 0x3000000;
267 const uint32_t digest_addr = src_addr + 0x4000000;
268 uint8_t digest[64] = {0};
269 struct AspeedSgList array[] = {
270 { cpu_to_le32(sizeof(test_vector_sg1)),
271 cpu_to_le32(src_addr_1) },
272 { cpu_to_le32(sizeof(test_vector_sg2)),
273 cpu_to_le32(src_addr_2) },
274 { cpu_to_le32(sizeof(test_vector_sg3) | SG_LIST_LEN_LAST),
275 cpu_to_le32(src_addr_3) },
276 };
277
278 /* Check engine is idle, no busy or irq bits set */
279 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
280
281 /* Write test vector into memory */
282 qtest_memwrite(s, src_addr_1, test_vector_sg1, sizeof(test_vector_sg1));
283 qtest_memwrite(s, src_addr_2, test_vector_sg2, sizeof(test_vector_sg2));
284 qtest_memwrite(s, src_addr_3, test_vector_sg3, sizeof(test_vector_sg3));
285 qtest_memwrite(s, src_addr, array, sizeof(array));
286
287 write_regs(s, base, src_addr,
288 (sizeof(test_vector_sg1)
289 + sizeof(test_vector_sg2)
290 + sizeof(test_vector_sg3)),
291 digest_addr, HACE_ALGO_SHA512 | HACE_SG_EN);
292
293 /* Check hash IRQ status is asserted */
294 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0x00000200);
295
296 /* Clear IRQ status and check status is deasserted */
297 qtest_writel(s, base + HACE_STS, 0x00000200);
298 g_assert_cmphex(qtest_readl(s, base + HACE_STS), ==, 0);
299
300 /* Read computed digest from memory */
301 qtest_memread(s, digest_addr, digest, sizeof(digest));
302
303 /* Check result of computation */
304 g_assert_cmpmem(digest, sizeof(digest),
305 test_result_sg_sha512, sizeof(digest));
306
307 qtest_quit(s);
308}
309
310struct masks {
311 uint32_t src;
312 uint32_t dest;
313 uint32_t len;
314};
315
316static const struct masks ast2600_masks = {
317 .src = 0x7fffffff,
318 .dest = 0x7ffffff8,
319 .len = 0x0fffffff,
320};
321
322static const struct masks ast2500_masks = {
323 .src = 0x3fffffff,
324 .dest = 0x3ffffff8,
325 .len = 0x0fffffff,
326};
327
328static const struct masks ast2400_masks = {
329 .src = 0x0fffffff,
330 .dest = 0x0ffffff8,
331 .len = 0x0fffffff,
332};
333
334static void test_addresses(const char *machine, const uint32_t base,
335 const struct masks *expected)
336{
337 QTestState *s = qtest_init(machine);
338
339 /*
340 * Check command mode is zero, meaning engine is in direct access mode,
341 * as this affects the masking behavior of the HASH_SRC register.
342 */
343 g_assert_cmphex(qtest_readl(s, base + HACE_CMD), ==, 0);
344 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0);
345 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0);
346 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0);
347
348
349 /* Check that the address masking is correct */
350 qtest_writel(s, base + HACE_HASH_SRC, 0xffffffff);
351 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, expected->src);
352
353 qtest_writel(s, base + HACE_HASH_DIGEST, 0xffffffff);
354 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, expected->dest);
355
356 qtest_writel(s, base + HACE_HASH_DATA_LEN, 0xffffffff);
357 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, expected->len);
358
359 /* Reset to zero */
360 qtest_writel(s, base + HACE_HASH_SRC, 0);
361 qtest_writel(s, base + HACE_HASH_DIGEST, 0);
362 qtest_writel(s, base + HACE_HASH_DATA_LEN, 0);
363
364 /* Check that all bits are now zero */
365 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_SRC), ==, 0);
366 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DIGEST), ==, 0);
367 g_assert_cmphex(qtest_readl(s, base + HACE_HASH_DATA_LEN), ==, 0);
368
369 qtest_quit(s);
370}
371
372/* ast2600 */
373static void test_md5_ast2600(void)
374{
375 test_md5("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
376}
377
378static void test_sha256_ast2600(void)
379{
380 test_sha256("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
381}
382
383static void test_sha256_sg_ast2600(void)
384{
385 test_sha256_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
386}
387
388static void test_sha512_ast2600(void)
389{
390 test_sha512("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
391}
392
393static void test_sha512_sg_ast2600(void)
394{
395 test_sha512_sg("-machine ast2600-evb", 0x1e6d0000, 0x80000000);
396}
397
398static void test_addresses_ast2600(void)
399{
400 test_addresses("-machine ast2600-evb", 0x1e6d0000, &ast2600_masks);
401}
402
403/* ast2500 */
404static void test_md5_ast2500(void)
405{
406 test_md5("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
407}
408
409static void test_sha256_ast2500(void)
410{
411 test_sha256("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
412}
413
414static void test_sha512_ast2500(void)
415{
416 test_sha512("-machine ast2500-evb", 0x1e6e3000, 0x80000000);
417}
418
419static void test_addresses_ast2500(void)
420{
421 test_addresses("-machine ast2500-evb", 0x1e6e3000, &ast2500_masks);
422}
423
424/* ast2400 */
425static void test_md5_ast2400(void)
426{
427 test_md5("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
428}
429
430static void test_sha256_ast2400(void)
431{
432 test_sha256("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
433}
434
435static void test_sha512_ast2400(void)
436{
437 test_sha512("-machine palmetto-bmc", 0x1e6e3000, 0x40000000);
438}
439
440static void test_addresses_ast2400(void)
441{
442 test_addresses("-machine palmetto-bmc", 0x1e6e3000, &ast2400_masks);
443}
444
445int main(int argc, char **argv)
446{
447 g_test_init(&argc, &argv, NULL);
448
449 qtest_add_func("ast2600/hace/addresses", test_addresses_ast2600);
450 qtest_add_func("ast2600/hace/sha512", test_sha512_ast2600);
451 qtest_add_func("ast2600/hace/sha256", test_sha256_ast2600);
452 qtest_add_func("ast2600/hace/md5", test_md5_ast2600);
453
454 qtest_add_func("ast2600/hace/sha512_sg", test_sha512_sg_ast2600);
455 qtest_add_func("ast2600/hace/sha256_sg", test_sha256_sg_ast2600);
456
457 qtest_add_func("ast2500/hace/addresses", test_addresses_ast2500);
458 qtest_add_func("ast2500/hace/sha512", test_sha512_ast2500);
459 qtest_add_func("ast2500/hace/sha256", test_sha256_ast2500);
460 qtest_add_func("ast2500/hace/md5", test_md5_ast2500);
461
462 qtest_add_func("ast2400/hace/addresses", test_addresses_ast2400);
463 qtest_add_func("ast2400/hace/sha512", test_sha512_ast2400);
464 qtest_add_func("ast2400/hace/sha256", test_sha256_ast2400);
465 qtest_add_func("ast2400/hace/md5", test_md5_ast2400);
466
467 return g_test_run();
468}