quorum: Inline quorum_aio_cb()
[qemu.git] / tests / hd-geo-test.c
1 /*
2 * Hard disk geometry test cases.
3 *
4 * Copyright (c) 2012 Red Hat Inc.
5 *
6 * Authors:
7 * Markus Armbruster <armbru@redhat.com>,
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
11 */
12
13 /*
14 * Covers only IDE and tests only CMOS contents. Better than nothing.
15 * Improvements welcome.
16 */
17
18 #include "qemu/osdep.h"
19 #include "qemu-common.h"
20 #include "libqtest.h"
21
22 static char *create_test_img(int secs)
23 {
24 char *template = strdup("/tmp/qtest.XXXXXX");
25 int fd, ret;
26
27 fd = mkstemp(template);
28 g_assert(fd >= 0);
29 ret = ftruncate(fd, (off_t)secs * 512);
30 g_assert(ret == 0);
31 close(fd);
32 return template;
33 }
34
35 typedef struct {
36 int cyls, heads, secs, trans;
37 } CHST;
38
39 typedef enum {
40 mbr_blank, mbr_lba, mbr_chs,
41 mbr_last
42 } MBRcontents;
43
44 typedef enum {
45 /* order is relevant */
46 backend_small, backend_large, backend_empty,
47 backend_last
48 } Backend;
49
50 static const int img_secs[backend_last] = {
51 [backend_small] = 61440,
52 [backend_large] = 8388608,
53 [backend_empty] = -1,
54 };
55
56 static const CHST hd_chst[backend_last][mbr_last] = {
57 [backend_small] = {
58 [mbr_blank] = { 60, 16, 63, 0 },
59 [mbr_lba] = { 60, 16, 63, 2 },
60 [mbr_chs] = { 60, 16, 63, 0 }
61 },
62 [backend_large] = {
63 [mbr_blank] = { 8322, 16, 63, 1 },
64 [mbr_lba] = { 8322, 16, 63, 1 },
65 [mbr_chs] = { 8322, 16, 63, 0 }
66 },
67 };
68
69 static const char *img_file_name[backend_last];
70
71 static const CHST *cur_ide[4];
72
73 static bool is_hd(const CHST *expected_chst)
74 {
75 return expected_chst && expected_chst->cyls;
76 }
77
78 static void test_cmos_byte(int reg, int expected)
79 {
80 enum { cmos_base = 0x70 };
81 int actual;
82
83 outb(cmos_base + 0, reg);
84 actual = inb(cmos_base + 1);
85 g_assert(actual == expected);
86 }
87
88 static void test_cmos_bytes(int reg0, int n, uint8_t expected[])
89 {
90 int i;
91
92 for (i = 0; i < 9; i++) {
93 test_cmos_byte(reg0 + i, expected[i]);
94 }
95 }
96
97 static void test_cmos_disk_data(void)
98 {
99 test_cmos_byte(0x12,
100 (is_hd(cur_ide[0]) ? 0xf0 : 0) |
101 (is_hd(cur_ide[1]) ? 0x0f : 0));
102 }
103
104 static void test_cmos_drive_cyl(int reg0, const CHST *expected_chst)
105 {
106 if (is_hd(expected_chst)) {
107 int c = expected_chst->cyls;
108 int h = expected_chst->heads;
109 int s = expected_chst->secs;
110 uint8_t expected_bytes[9] = {
111 c & 0xff, c >> 8, h, 0xff, 0xff, 0xc0 | ((h > 8) << 3),
112 c & 0xff, c >> 8, s
113 };
114 test_cmos_bytes(reg0, 9, expected_bytes);
115 } else {
116 int i;
117
118 for (i = 0; i < 9; i++) {
119 test_cmos_byte(reg0 + i, 0);
120 }
121 }
122 }
123
124 static void test_cmos_drive1(void)
125 {
126 test_cmos_byte(0x19, is_hd(cur_ide[0]) ? 47 : 0);
127 test_cmos_drive_cyl(0x1b, cur_ide[0]);
128 }
129
130 static void test_cmos_drive2(void)
131 {
132 test_cmos_byte(0x1a, is_hd(cur_ide[1]) ? 47 : 0);
133 test_cmos_drive_cyl(0x24, cur_ide[1]);
134 }
135
136 static void test_cmos_disktransflag(void)
137 {
138 int val, i;
139
140 val = 0;
141 for (i = 0; i < ARRAY_SIZE(cur_ide); i++) {
142 if (is_hd(cur_ide[i])) {
143 val |= cur_ide[i]->trans << (2 * i);
144 }
145 }
146 test_cmos_byte(0x39, val);
147 }
148
149 static void test_cmos(void)
150 {
151 test_cmos_disk_data();
152 test_cmos_drive1();
153 test_cmos_drive2();
154 test_cmos_disktransflag();
155 }
156
157 static int append_arg(int argc, char *argv[], int argv_sz, char *arg)
158 {
159 g_assert(argc + 1 < argv_sz);
160 argv[argc++] = arg;
161 argv[argc] = NULL;
162 return argc;
163 }
164
165 static int setup_common(char *argv[], int argv_sz)
166 {
167 memset(cur_ide, 0, sizeof(cur_ide));
168 return append_arg(0, argv, argv_sz,
169 g_strdup("-nodefaults"));
170 }
171
172 static void setup_mbr(int img_idx, MBRcontents mbr)
173 {
174 static const uint8_t part_lba[16] = {
175 /* chs 0,1,1 (lba 63) to chs 0,127,63 (8001 sectors) */
176 0x80, 1, 1, 0, 6, 127, 63, 0, 63, 0, 0, 0, 0x41, 0x1F, 0, 0,
177 };
178 static const uint8_t part_chs[16] = {
179 /* chs 0,1,1 (lba 63) to chs 7,15,63 (8001 sectors) */
180 0x80, 1, 1, 0, 6, 15, 63, 7, 63, 0, 0, 0, 0x41, 0x1F, 0, 0,
181 };
182 uint8_t buf[512];
183 int fd, ret;
184
185 memset(buf, 0, sizeof(buf));
186
187 if (mbr != mbr_blank) {
188 buf[0x1fe] = 0x55;
189 buf[0x1ff] = 0xAA;
190 memcpy(buf + 0x1BE, mbr == mbr_lba ? part_lba : part_chs, 16);
191 }
192
193 fd = open(img_file_name[img_idx], O_WRONLY);
194 g_assert(fd >= 0);
195 ret = write(fd, buf, sizeof(buf));
196 g_assert(ret == sizeof(buf));
197 close(fd);
198 }
199
200 static int setup_ide(int argc, char *argv[], int argv_sz,
201 int ide_idx, const char *dev, int img_idx,
202 MBRcontents mbr, const char *opts)
203 {
204 char *s1, *s2, *s3;
205
206 s1 = g_strdup_printf("-drive id=drive%d,if=%s",
207 ide_idx, dev ? "none" : "ide");
208 s2 = dev ? g_strdup("") : g_strdup_printf(",index=%d", ide_idx);
209
210 if (img_secs[img_idx] >= 0) {
211 setup_mbr(img_idx, mbr);
212 s3 = g_strdup_printf(",format=raw,file=%s", img_file_name[img_idx]);
213 } else {
214 s3 = g_strdup(",media=cdrom");
215 }
216 argc = append_arg(argc, argv, argv_sz,
217 g_strdup_printf("%s%s%s%s", s1, s2, s3, opts));
218 g_free(s1);
219 g_free(s2);
220 g_free(s3);
221
222 if (dev) {
223 argc = append_arg(argc, argv, argv_sz,
224 g_strdup_printf("-device %s,drive=drive%d,"
225 "bus=ide.%d,unit=%d",
226 dev, ide_idx,
227 ide_idx / 2, ide_idx % 2));
228 }
229 return argc;
230 }
231
232 /*
233 * Test case: no IDE devices
234 */
235 static void test_ide_none(void)
236 {
237 char *argv[256];
238
239 setup_common(argv, ARRAY_SIZE(argv));
240 qtest_start(g_strjoinv(" ", argv));
241 test_cmos();
242 qtest_end();
243 }
244
245 static void test_ide_mbr(bool use_device, MBRcontents mbr)
246 {
247 char *argv[256];
248 int argc;
249 Backend i;
250 const char *dev;
251
252 argc = setup_common(argv, ARRAY_SIZE(argv));
253 for (i = 0; i < backend_last; i++) {
254 cur_ide[i] = &hd_chst[i][mbr];
255 dev = use_device ? (is_hd(cur_ide[i]) ? "ide-hd" : "ide-cd") : NULL;
256 argc = setup_ide(argc, argv, ARRAY_SIZE(argv), i, dev, i, mbr, "");
257 }
258 qtest_start(g_strjoinv(" ", argv));
259 test_cmos();
260 qtest_end();
261 }
262
263 /*
264 * Test case: IDE devices (if=ide) with blank MBRs
265 */
266 static void test_ide_drive_mbr_blank(void)
267 {
268 test_ide_mbr(false, mbr_blank);
269 }
270
271 /*
272 * Test case: IDE devices (if=ide) with MBRs indicating LBA is in use
273 */
274 static void test_ide_drive_mbr_lba(void)
275 {
276 test_ide_mbr(false, mbr_lba);
277 }
278
279 /*
280 * Test case: IDE devices (if=ide) with MBRs indicating CHS is in use
281 */
282 static void test_ide_drive_mbr_chs(void)
283 {
284 test_ide_mbr(false, mbr_chs);
285 }
286
287 /*
288 * Test case: IDE devices (if=none) with blank MBRs
289 */
290 static void test_ide_device_mbr_blank(void)
291 {
292 test_ide_mbr(true, mbr_blank);
293 }
294
295 /*
296 * Test case: IDE devices (if=none) with MBRs indicating LBA is in use
297 */
298 static void test_ide_device_mbr_lba(void)
299 {
300 test_ide_mbr(true, mbr_lba);
301 }
302
303 /*
304 * Test case: IDE devices (if=none) with MBRs indicating CHS is in use
305 */
306 static void test_ide_device_mbr_chs(void)
307 {
308 test_ide_mbr(true, mbr_chs);
309 }
310
311 static void test_ide_drive_user(const char *dev, bool trans)
312 {
313 char *argv[256], *opts;
314 int argc;
315 int secs = img_secs[backend_small];
316 const CHST expected_chst = { secs / (4 * 32) , 4, 32, trans };
317
318 argc = setup_common(argv, ARRAY_SIZE(argv));
319 opts = g_strdup_printf("%s,%s%scyls=%d,heads=%d,secs=%d",
320 dev ?: "",
321 trans && dev ? "bios-chs-" : "",
322 trans ? "trans=lba," : "",
323 expected_chst.cyls, expected_chst.heads,
324 expected_chst.secs);
325 cur_ide[0] = &expected_chst;
326 argc = setup_ide(argc, argv, ARRAY_SIZE(argv),
327 0, dev ? opts : NULL, backend_small, mbr_chs,
328 dev ? "" : opts);
329 g_free(opts);
330 qtest_start(g_strjoinv(" ", argv));
331 test_cmos();
332 qtest_end();
333 }
334
335 /*
336 * Test case: IDE device (if=ide) with explicit CHS
337 */
338 static void test_ide_drive_user_chs(void)
339 {
340 test_ide_drive_user(NULL, false);
341 }
342
343 /*
344 * Test case: IDE device (if=ide) with explicit CHS and translation
345 */
346 static void test_ide_drive_user_chst(void)
347 {
348 test_ide_drive_user(NULL, true);
349 }
350
351 /*
352 * Test case: IDE device (if=none) with explicit CHS
353 */
354 static void test_ide_device_user_chs(void)
355 {
356 test_ide_drive_user("ide-hd", false);
357 }
358
359 /*
360 * Test case: IDE device (if=none) with explicit CHS and translation
361 */
362 static void test_ide_device_user_chst(void)
363 {
364 test_ide_drive_user("ide-hd", true);
365 }
366
367 /*
368 * Test case: IDE devices (if=ide), but use index=0 for CD-ROM
369 */
370 static void test_ide_drive_cd_0(void)
371 {
372 char *argv[256];
373 int argc, ide_idx;
374 Backend i;
375
376 argc = setup_common(argv, ARRAY_SIZE(argv));
377 for (i = 0; i <= backend_empty; i++) {
378 ide_idx = backend_empty - i;
379 cur_ide[ide_idx] = &hd_chst[i][mbr_blank];
380 argc = setup_ide(argc, argv, ARRAY_SIZE(argv),
381 ide_idx, NULL, i, mbr_blank, "");
382 }
383 qtest_start(g_strjoinv(" ", argv));
384 test_cmos();
385 qtest_end();
386 }
387
388 int main(int argc, char **argv)
389 {
390 Backend i;
391 int ret;
392
393 g_test_init(&argc, &argv, NULL);
394
395 for (i = 0; i < backend_last; i++) {
396 if (img_secs[i] >= 0) {
397 img_file_name[i] = create_test_img(img_secs[i]);
398 } else {
399 img_file_name[i] = NULL;
400 }
401 }
402
403 qtest_add_func("hd-geo/ide/none", test_ide_none);
404 qtest_add_func("hd-geo/ide/drive/mbr/blank", test_ide_drive_mbr_blank);
405 qtest_add_func("hd-geo/ide/drive/mbr/lba", test_ide_drive_mbr_lba);
406 qtest_add_func("hd-geo/ide/drive/mbr/chs", test_ide_drive_mbr_chs);
407 qtest_add_func("hd-geo/ide/drive/user/chs", test_ide_drive_user_chs);
408 qtest_add_func("hd-geo/ide/drive/user/chst", test_ide_drive_user_chst);
409 qtest_add_func("hd-geo/ide/drive/cd_0", test_ide_drive_cd_0);
410 qtest_add_func("hd-geo/ide/device/mbr/blank", test_ide_device_mbr_blank);
411 qtest_add_func("hd-geo/ide/device/mbr/lba", test_ide_device_mbr_lba);
412 qtest_add_func("hd-geo/ide/device/mbr/chs", test_ide_device_mbr_chs);
413 qtest_add_func("hd-geo/ide/device/user/chs", test_ide_device_user_chs);
414 qtest_add_func("hd-geo/ide/device/user/chst", test_ide_device_user_chst);
415
416 ret = g_test_run();
417
418 for (i = 0; i < backend_last; i++) {
419 if (img_file_name[i]) {
420 unlink(img_file_name[i]);
421 }
422 }
423
424 return ret;
425 }