tests/bios-tables-test.c

   1 /*
   2  * Boot order test cases.
   3  *
   4  * Copyright (c) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Michael S. Tsirkin <mst@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 #include "qemu/osdep.h"
  14 #include <glib/gstdio.h>
  15 #include "qemu-common.h"
  16 #include "hw/smbios/smbios.h"
  17 #include "qemu/bitmap.h"
  18 #include "acpi-utils.h"
  19 #include "boot-sector.h"
  20
  21 #define MACHINE_PC "pc"
  22 #define MACHINE_Q35 "q35"
  23
  24 #define ACPI_REBUILD_EXPECTED_AML "TEST_ACPI_REBUILD_AML"
  25
  26 typedef struct {
  27     const char *machine;
  28     const char *variant;
  29     uint32_t rsdp_addr;
  30     AcpiRsdpDescriptor rsdp_table;
  31     AcpiRsdtDescriptorRev1 rsdt_table;
  32     AcpiFadtDescriptorRev3 fadt_table;
  33     AcpiFacsDescriptorRev1 facs_table;
  34     uint32_t *rsdt_tables_addr;
  35     int rsdt_tables_nr;
  36     GArray *tables;
  37     uint32_t smbios_ep_addr;
  38     struct smbios_21_entry_point smbios_ep_table;
  39     uint8_t *required_struct_types;
  40     int required_struct_types_len;
  41 } test_data;
  42
  43 static char disk[] = "tests/acpi-test-disk-XXXXXX";
  44 static const char *data_dir = "tests/acpi-test-data";
  45 #ifdef CONFIG_IASL
  46 static const char *iasl = stringify(CONFIG_IASL);
  47 #else
  48 static const char *iasl;
  49 #endif
  50
  51 static void free_test_data(test_data *data)
  52 {
  53     AcpiSdtTable *temp;
  54     int i;
  55
  56     g_free(data->rsdt_tables_addr);
  57
  58     for (i = 0; i < data->tables->len; ++i) {
  59         temp = &g_array_index(data->tables, AcpiSdtTable, i);
  60         g_free(temp->aml);
  61         if (temp->aml_file &&
  62             !temp->tmp_files_retain &&
  63             g_strstr_len(temp->aml_file, -1, "aml-")) {
  64             unlink(temp->aml_file);
  65         }
  66         g_free(temp->aml_file);
  67         g_free(temp->asl);
  68         if (temp->asl_file &&
  69             !temp->tmp_files_retain) {
  70             unlink(temp->asl_file);
  71         }
  72         g_free(temp->asl_file);
  73     }
  74
  75     g_array_free(data->tables, true);
  76 }
  77
  78 static void test_acpi_rsdp_address(test_data *data)
  79 {
  80     uint32_t off = acpi_find_rsdp_address();
  81     g_assert_cmphex(off, <, 0x100000);
  82     data->rsdp_addr = off;
  83 }
  84
  85 static void test_acpi_rsdp_table(test_data *data)
  86 {
  87     AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
  88     uint32_t addr = data->rsdp_addr;
  89
  90     acpi_parse_rsdp_table(addr, rsdp_table);
  91
  92     /* rsdp checksum is not for the whole table, but for the first 20 bytes */
  93     g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
  94 }
  95
  96 static void test_acpi_rsdt_table(test_data *data)
  97 {
  98     AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
  99     uint32_t addr = data->rsdp_table.rsdt_physical_address;
 100     uint32_t *tables;
 101     int tables_nr;
 102     uint8_t checksum;
 103
 104     /* read the header */
 105     ACPI_READ_TABLE_HEADER(rsdt_table, addr);
 106     ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
 107
 108     /* compute the table entries in rsdt */
 109     tables_nr = (rsdt_table->length - sizeof(AcpiRsdtDescriptorRev1)) /
 110                 sizeof(uint32_t);
 111     g_assert_cmpint(tables_nr, >, 0);
 112
 113     /* get the addresses of the tables pointed by rsdt */
 114     tables = g_new0(uint32_t, tables_nr);
 115     ACPI_READ_ARRAY_PTR(tables, tables_nr, addr);
 116
 117     checksum = acpi_calc_checksum((uint8_t *)rsdt_table, rsdt_table->length) +
 118                acpi_calc_checksum((uint8_t *)tables,
 119                                   tables_nr * sizeof(uint32_t));
 120     g_assert(!checksum);
 121
 122    /* SSDT tables after FADT */
 123     data->rsdt_tables_addr = tables;
 124     data->rsdt_tables_nr = tables_nr;
 125 }
 126
 127 static void test_acpi_fadt_table(test_data *data)
 128 {
 129     AcpiFadtDescriptorRev3 *fadt_table = &data->fadt_table;
 130     uint32_t addr;
 131
 132     /* FADT table comes first */
 133     addr = data->rsdt_tables_addr[0];
 134     ACPI_READ_TABLE_HEADER(fadt_table, addr);
 135
 136     ACPI_READ_FIELD(fadt_table->firmware_ctrl, addr);
 137     ACPI_READ_FIELD(fadt_table->dsdt, addr);
 138     ACPI_READ_FIELD(fadt_table->model, addr);
 139     ACPI_READ_FIELD(fadt_table->reserved1, addr);
 140     ACPI_READ_FIELD(fadt_table->sci_int, addr);
 141     ACPI_READ_FIELD(fadt_table->smi_cmd, addr);
 142     ACPI_READ_FIELD(fadt_table->acpi_enable, addr);
 143     ACPI_READ_FIELD(fadt_table->acpi_disable, addr);
 144     ACPI_READ_FIELD(fadt_table->S4bios_req, addr);
 145     ACPI_READ_FIELD(fadt_table->reserved2, addr);
 146     ACPI_READ_FIELD(fadt_table->pm1a_evt_blk, addr);
 147     ACPI_READ_FIELD(fadt_table->pm1b_evt_blk, addr);
 148     ACPI_READ_FIELD(fadt_table->pm1a_cnt_blk, addr);
 149     ACPI_READ_FIELD(fadt_table->pm1b_cnt_blk, addr);
 150     ACPI_READ_FIELD(fadt_table->pm2_cnt_blk, addr);
 151     ACPI_READ_FIELD(fadt_table->pm_tmr_blk, addr);
 152     ACPI_READ_FIELD(fadt_table->gpe0_blk, addr);
 153     ACPI_READ_FIELD(fadt_table->gpe1_blk, addr);
 154     ACPI_READ_FIELD(fadt_table->pm1_evt_len, addr);
 155     ACPI_READ_FIELD(fadt_table->pm1_cnt_len, addr);
 156     ACPI_READ_FIELD(fadt_table->pm2_cnt_len, addr);
 157     ACPI_READ_FIELD(fadt_table->pm_tmr_len, addr);
 158     ACPI_READ_FIELD(fadt_table->gpe0_blk_len, addr);
 159     ACPI_READ_FIELD(fadt_table->gpe1_blk_len, addr);
 160     ACPI_READ_FIELD(fadt_table->gpe1_base, addr);
 161     ACPI_READ_FIELD(fadt_table->reserved3, addr);
 162     ACPI_READ_FIELD(fadt_table->plvl2_lat, addr);
 163     ACPI_READ_FIELD(fadt_table->plvl3_lat, addr);
 164     ACPI_READ_FIELD(fadt_table->flush_size, addr);
 165     ACPI_READ_FIELD(fadt_table->flush_stride, addr);
 166     ACPI_READ_FIELD(fadt_table->duty_offset, addr);
 167     ACPI_READ_FIELD(fadt_table->duty_width, addr);
 168     ACPI_READ_FIELD(fadt_table->day_alrm, addr);
 169     ACPI_READ_FIELD(fadt_table->mon_alrm, addr);
 170     ACPI_READ_FIELD(fadt_table->century, addr);
 171     ACPI_READ_FIELD(fadt_table->boot_flags, addr);
 172     ACPI_READ_FIELD(fadt_table->reserved, addr);
 173     ACPI_READ_FIELD(fadt_table->flags, addr);
 174     ACPI_READ_GENERIC_ADDRESS(fadt_table->reset_register, addr);
 175     ACPI_READ_FIELD(fadt_table->reset_value, addr);
 176     ACPI_READ_FIELD(fadt_table->arm_boot_flags, addr);
 177     ACPI_READ_FIELD(fadt_table->minor_revision, addr);
 178     ACPI_READ_FIELD(fadt_table->Xfacs, addr);
 179     ACPI_READ_FIELD(fadt_table->Xdsdt, addr);
 180     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_event_block, addr);
 181     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_event_block, addr);
 182     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1a_control_block, addr);
 183     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm1b_control_block, addr);
 184     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm2_control_block, addr);
 185     ACPI_READ_GENERIC_ADDRESS(fadt_table->xpm_timer_block, addr);
 186     ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe0_block, addr);
 187     ACPI_READ_GENERIC_ADDRESS(fadt_table->xgpe1_block, addr);
 188
 189     ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
 190     g_assert(!acpi_calc_checksum((uint8_t *)fadt_table, fadt_table->length));
 191 }
 192
 193 static void test_acpi_facs_table(test_data *data)
 194 {
 195     AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
 196     uint32_t addr = data->fadt_table.firmware_ctrl;
 197
 198     ACPI_READ_FIELD(facs_table->signature, addr);
 199     ACPI_READ_FIELD(facs_table->length, addr);
 200     ACPI_READ_FIELD(facs_table->hardware_signature, addr);
 201     ACPI_READ_FIELD(facs_table->firmware_waking_vector, addr);
 202     ACPI_READ_FIELD(facs_table->global_lock, addr);
 203     ACPI_READ_FIELD(facs_table->flags, addr);
 204     ACPI_READ_ARRAY(facs_table->resverved3, addr);
 205
 206     ACPI_ASSERT_CMP(facs_table->signature, "FACS");
 207 }
 208
 209 static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
 210 {
 211     uint8_t checksum;
 212
 213     ACPI_READ_TABLE_HEADER(&sdt_table->header, addr);
 214
 215     sdt_table->aml_len = sdt_table->header.length - sizeof(AcpiTableHeader);
 216     sdt_table->aml = g_malloc0(sdt_table->aml_len);
 217     ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr);
 218
 219     checksum = acpi_calc_checksum((uint8_t *)sdt_table,
 220                                   sizeof(AcpiTableHeader)) +
 221                acpi_calc_checksum((uint8_t *)sdt_table->aml,
 222                                   sdt_table->aml_len);
 223     g_assert(!checksum);
 224 }
 225
 226 static void test_acpi_dsdt_table(test_data *data)
 227 {
 228     AcpiSdtTable dsdt_table;
 229     uint32_t addr = data->fadt_table.dsdt;
 230
 231     memset(&dsdt_table, 0, sizeof(dsdt_table));
 232     data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 233
 234     test_dst_table(&dsdt_table, addr);
 235     ACPI_ASSERT_CMP(dsdt_table.header.signature, "DSDT");
 236
 237     /* Place DSDT first */
 238     g_array_append_val(data->tables, dsdt_table);
 239 }
 240
 241 static void test_acpi_tables(test_data *data)
 242 {
 243     int tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */
 244     int i;
 245
 246     for (i = 0; i < tables_nr; i++) {
 247         AcpiSdtTable ssdt_table;
 248
 249         memset(&ssdt_table, 0, sizeof(ssdt_table));
 250         uint32_t addr = data->rsdt_tables_addr[i + 1]; /* fadt is first */
 251         test_dst_table(&ssdt_table, addr);
 252         g_array_append_val(data->tables, ssdt_table);
 253     }
 254 }
 255
 256 static void dump_aml_files(test_data *data, bool rebuild)
 257 {
 258     AcpiSdtTable *sdt;
 259     GError *error = NULL;
 260     gchar *aml_file = NULL;
 261     gint fd;
 262     ssize_t ret;
 263     int i;
 264
 265     for (i = 0; i < data->tables->len; ++i) {
 266         const char *ext = data->variant ? data->variant : "";
 267         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 268         g_assert(sdt->aml);
 269
 270         if (rebuild) {
 271             uint32_t signature = cpu_to_le32(sdt->header.signature);
 272             aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
 273                                        (gchar *)&signature, ext);
 274             fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
 275                         S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
 276         } else {
 277             fd = g_file_open_tmp("aml-XXXXXX", &sdt->aml_file, &error);
 278             g_assert_no_error(error);
 279         }
 280         g_assert(fd >= 0);
 281
 282         ret = qemu_write_full(fd, sdt, sizeof(AcpiTableHeader));
 283         g_assert(ret == sizeof(AcpiTableHeader));
 284         ret = qemu_write_full(fd, sdt->aml, sdt->aml_len);
 285         g_assert(ret == sdt->aml_len);
 286
 287         close(fd);
 288
 289         g_free(aml_file);
 290     }
 291 }
 292
 293 static bool compare_signature(AcpiSdtTable *sdt, const char *signature)
 294 {
 295    return !memcmp(&sdt->header.signature, signature, 4);
 296 }
 297
 298 static bool load_asl(GArray *sdts, AcpiSdtTable *sdt)
 299 {
 300     AcpiSdtTable *temp;
 301     GError *error = NULL;
 302     GString *command_line = g_string_new(iasl);
 303     gint fd;
 304     gchar *out, *out_err;
 305     gboolean ret;
 306     int i;
 307
 308     fd = g_file_open_tmp("asl-XXXXXX.dsl", &sdt->asl_file, &error);
 309     g_assert_no_error(error);
 310     close(fd);
 311
 312     /* build command line */
 313     g_string_append_printf(command_line, " -p %s ", sdt->asl_file);
 314     if (compare_signature(sdt, "DSDT") ||
 315         compare_signature(sdt, "SSDT")) {
 316         for (i = 0; i < sdts->len; ++i) {
 317             temp = &g_array_index(sdts, AcpiSdtTable, i);
 318             if (compare_signature(temp, "DSDT") ||
 319                 compare_signature(temp, "SSDT")) {
 320                 g_string_append_printf(command_line, "-e %s ", temp->aml_file);
 321             }
 322         }
 323     }
 324     g_string_append_printf(command_line, "-d %s", sdt->aml_file);
 325
 326     /* pass 'out' and 'out_err' in order to be redirected */
 327     ret = g_spawn_command_line_sync(command_line->str, &out, &out_err, NULL, &error);
 328     g_assert_no_error(error);
 329     if (ret) {
 330         ret = g_file_get_contents(sdt->asl_file, (gchar **)&sdt->asl,
 331                                   &sdt->asl_len, &error);
 332         g_assert(ret);
 333         g_assert_no_error(error);
 334         ret = (sdt->asl_len > 0);
 335     }
 336
 337     g_free(out);
 338     g_free(out_err);
 339     g_string_free(command_line, true);
 340
 341     return !ret;
 342 }
 343
 344 #define COMMENT_END "*/"
 345 #define DEF_BLOCK "DefinitionBlock ("
 346 #define BLOCK_NAME_END ","
 347
 348 static GString *normalize_asl(gchar *asl_code)
 349 {
 350     GString *asl = g_string_new(asl_code);
 351     gchar *comment, *block_name;
 352
 353     /* strip comments (different generation days) */
 354     comment = g_strstr_len(asl->str, asl->len, COMMENT_END);
 355     if (comment) {
 356         comment += strlen(COMMENT_END);
 357         while (*comment == '\n') {
 358             comment++;
 359         }
 360         asl = g_string_erase(asl, 0, comment - asl->str);
 361     }
 362
 363     /* strip def block name (it has file path in it) */
 364     if (g_str_has_prefix(asl->str, DEF_BLOCK)) {
 365         block_name = g_strstr_len(asl->str, asl->len, BLOCK_NAME_END);
 366         g_assert(block_name);
 367         asl = g_string_erase(asl, 0,
 368                              block_name + sizeof(BLOCK_NAME_END) - asl->str);
 369     }
 370
 371     return asl;
 372 }
 373
 374 static GArray *load_expected_aml(test_data *data)
 375 {
 376     int i;
 377     AcpiSdtTable *sdt;
 378     GError *error = NULL;
 379     gboolean ret;
 380
 381     GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
 382     for (i = 0; i < data->tables->len; ++i) {
 383         AcpiSdtTable exp_sdt;
 384         uint32_t signature;
 385         gchar *aml_file = NULL;
 386         const char *ext = data->variant ? data->variant : "";
 387
 388         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 389
 390         memset(&exp_sdt, 0, sizeof(exp_sdt));
 391         exp_sdt.header.signature = sdt->header.signature;
 392
 393         signature = cpu_to_le32(sdt->header.signature);
 394
 395 try_again:
 396         aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
 397                                    (gchar *)&signature, ext);
 398         if (getenv("V")) {
 399             fprintf(stderr, "\nLooking for expected file '%s'\n", aml_file);
 400         }
 401         if (g_file_test(aml_file, G_FILE_TEST_EXISTS)) {
 402             exp_sdt.aml_file = aml_file;
 403         } else if (*ext != '\0') {
 404             /* try fallback to generic (extention less) expected file */
 405             ext = "";
 406             g_free(aml_file);
 407             goto try_again;
 408         }
 409         g_assert(exp_sdt.aml_file);
 410         if (getenv("V")) {
 411             fprintf(stderr, "\nUsing expected file '%s'\n", aml_file);
 412         }
 413         ret = g_file_get_contents(aml_file, &exp_sdt.aml,
 414                                   &exp_sdt.aml_len, &error);
 415         g_assert(ret);
 416         g_assert_no_error(error);
 417         g_assert(exp_sdt.aml);
 418         g_assert(exp_sdt.aml_len);
 419
 420         g_array_append_val(exp_tables, exp_sdt);
 421     }
 422
 423     return exp_tables;
 424 }
 425
 426 static void test_acpi_asl(test_data *data)
 427 {
 428     int i;
 429     AcpiSdtTable *sdt, *exp_sdt;
 430     test_data exp_data;
 431     gboolean exp_err, err;
 432
 433     memset(&exp_data, 0, sizeof(exp_data));
 434     exp_data.tables = load_expected_aml(data);
 435     dump_aml_files(data, false);
 436     for (i = 0; i < data->tables->len; ++i) {
 437         GString *asl, *exp_asl;
 438
 439         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 440         exp_sdt = &g_array_index(exp_data.tables, AcpiSdtTable, i);
 441
 442         err = load_asl(data->tables, sdt);
 443         asl = normalize_asl(sdt->asl);
 444
 445         exp_err = load_asl(exp_data.tables, exp_sdt);
 446         exp_asl = normalize_asl(exp_sdt->asl);
 447
 448         /* TODO: check for warnings */
 449         g_assert(!err || exp_err);
 450
 451         if (g_strcmp0(asl->str, exp_asl->str)) {
 452             if (exp_err) {
 453                 fprintf(stderr,
 454                         "Warning! iasl couldn't parse the expected aml\n");
 455             } else {
 456                 uint32_t signature = cpu_to_le32(exp_sdt->header.signature);
 457                 sdt->tmp_files_retain = true;
 458                 exp_sdt->tmp_files_retain = true;
 459                 fprintf(stderr,
 460                         "acpi-test: Warning! %.4s mismatch. "
 461                         "Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
 462                         (gchar *)&signature,
 463                         sdt->asl_file, sdt->aml_file,
 464                         exp_sdt->asl_file, exp_sdt->aml_file);
 465                 if (getenv("V")) {
 466                     const char *diff_cmd = getenv("DIFF");
 467                     if (diff_cmd) {
 468                         int ret G_GNUC_UNUSED;
 469                         char *diff = g_strdup_printf("%s %s %s", diff_cmd,
 470                             exp_sdt->asl_file, sdt->asl_file);
 471                         ret = system(diff) ;
 472                         g_free(diff);
 473                     } else {
 474                         fprintf(stderr, "acpi-test: Warning. not showing "
 475                             "difference since no diff utility is specified. "
 476                             "Set 'DIFF' environment variable to a preferred "
 477                             "diff utility and run 'make V=1 check' again to "
 478                             "see ASL difference.");
 479                     }
 480                 }
 481           }
 482         }
 483         g_string_free(asl, true);
 484         g_string_free(exp_asl, true);
 485     }
 486
 487     free_test_data(&exp_data);
 488 }
 489
 490 static bool smbios_ep_table_ok(test_data *data)
 491 {
 492     struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
 493     uint32_t addr = data->smbios_ep_addr;
 494
 495     ACPI_READ_ARRAY(ep_table->anchor_string, addr);
 496     if (memcmp(ep_table->anchor_string, "_SM_", 4)) {
 497         return false;
 498     }
 499     ACPI_READ_FIELD(ep_table->checksum, addr);
 500     ACPI_READ_FIELD(ep_table->length, addr);
 501     ACPI_READ_FIELD(ep_table->smbios_major_version, addr);
 502     ACPI_READ_FIELD(ep_table->smbios_minor_version, addr);
 503     ACPI_READ_FIELD(ep_table->max_structure_size, addr);
 504     ACPI_READ_FIELD(ep_table->entry_point_revision, addr);
 505     ACPI_READ_ARRAY(ep_table->formatted_area, addr);
 506     ACPI_READ_ARRAY(ep_table->intermediate_anchor_string, addr);
 507     if (memcmp(ep_table->intermediate_anchor_string, "_DMI_", 5)) {
 508         return false;
 509     }
 510     ACPI_READ_FIELD(ep_table->intermediate_checksum, addr);
 511     ACPI_READ_FIELD(ep_table->structure_table_length, addr);
 512     if (ep_table->structure_table_length == 0) {
 513         return false;
 514     }
 515     ACPI_READ_FIELD(ep_table->structure_table_address, addr);
 516     ACPI_READ_FIELD(ep_table->number_of_structures, addr);
 517     if (ep_table->number_of_structures == 0) {
 518         return false;
 519     }
 520     ACPI_READ_FIELD(ep_table->smbios_bcd_revision, addr);
 521     if (acpi_calc_checksum((uint8_t *)ep_table, sizeof *ep_table) ||
 522         acpi_calc_checksum((uint8_t *)ep_table + 0x10,
 523                            sizeof *ep_table - 0x10)) {
 524         return false;
 525     }
 526     return true;
 527 }
 528
 529 static void test_smbios_entry_point(test_data *data)
 530 {
 531     uint32_t off;
 532
 533     /* find smbios entry point structure */
 534     for (off = 0xf0000; off < 0x100000; off += 0x10) {
 535         uint8_t sig[] = "_SM_";
 536         int i;
 537
 538         for (i = 0; i < sizeof sig - 1; ++i) {
 539             sig[i] = readb(off + i);
 540         }
 541
 542         if (!memcmp(sig, "_SM_", sizeof sig)) {
 543             /* signature match, but is this a valid entry point? */
 544             data->smbios_ep_addr = off;
 545             if (smbios_ep_table_ok(data)) {
 546                 break;
 547             }
 548         }
 549     }
 550
 551     g_assert_cmphex(off, <, 0x100000);
 552 }
 553
 554 static inline bool smbios_single_instance(uint8_t type)
 555 {
 556     switch (type) {
 557     case 0:
 558     case 1:
 559     case 2:
 560     case 3:
 561     case 16:
 562     case 32:
 563     case 127:
 564         return true;
 565     default:
 566         return false;
 567     }
 568 }
 569
 570 static void test_smbios_structs(test_data *data)
 571 {
 572     DECLARE_BITMAP(struct_bitmap, SMBIOS_MAX_TYPE+1) = { 0 };
 573     struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
 574     uint32_t addr = ep_table->structure_table_address;
 575     int i, len, max_len = 0;
 576     uint8_t type, prv, crt;
 577
 578     /* walk the smbios tables */
 579     for (i = 0; i < ep_table->number_of_structures; i++) {
 580
 581         /* grab type and formatted area length from struct header */
 582         type = readb(addr);
 583         g_assert_cmpuint(type, <=, SMBIOS_MAX_TYPE);
 584         len = readb(addr + 1);
 585
 586         /* single-instance structs must not have been encountered before */
 587         if (smbios_single_instance(type)) {
 588             g_assert(!test_bit(type, struct_bitmap));
 589         }
 590         set_bit(type, struct_bitmap);
 591
 592         /* seek to end of unformatted string area of this struct ("\0\0") */
 593         prv = crt = 1;
 594         while (prv || crt) {
 595             prv = crt;
 596             crt = readb(addr + len);
 597             len++;
 598         }
 599
 600         /* keep track of max. struct size */
 601         if (max_len < len) {
 602             max_len = len;
 603             g_assert_cmpuint(max_len, <=, ep_table->max_structure_size);
 604         }
 605
 606         /* start of next structure */
 607         addr += len;
 608     }
 609
 610     /* total table length and max struct size must match entry point values */
 611     g_assert_cmpuint(ep_table->structure_table_length, ==,
 612                      addr - ep_table->structure_table_address);
 613     g_assert_cmpuint(ep_table->max_structure_size, ==, max_len);
 614
 615     /* required struct types must all be present */
 616     for (i = 0; i < data->required_struct_types_len; i++) {
 617         g_assert(test_bit(data->required_struct_types[i], struct_bitmap));
 618     }
 619 }
 620
 621 static void test_acpi_one(const char *params, test_data *data)
 622 {
 623     char *args;
 624
 625     /* Disable kernel irqchip to be able to override apic irq0. */
 626     args = g_strdup_printf("-machine %s,accel=%s,kernel-irqchip=off "
 627                            "-net none -display none %s "
 628                            "-drive id=hd0,if=none,file=%s,format=raw "
 629                            "-device ide-hd,drive=hd0 ",
 630                            data->machine, "kvm:tcg",
 631                            params ? params : "", disk);
 632
 633     qtest_start(args);
 634
 635     boot_sector_test();
 636
 637     test_acpi_rsdp_address(data);
 638     test_acpi_rsdp_table(data);
 639     test_acpi_rsdt_table(data);
 640     test_acpi_fadt_table(data);
 641     test_acpi_facs_table(data);
 642     test_acpi_dsdt_table(data);
 643     test_acpi_tables(data);
 644
 645     if (iasl) {
 646         if (getenv(ACPI_REBUILD_EXPECTED_AML)) {
 647             dump_aml_files(data, true);
 648         } else {
 649             test_acpi_asl(data);
 650         }
 651     }
 652
 653     test_smbios_entry_point(data);
 654     test_smbios_structs(data);
 655
 656     qtest_quit(global_qtest);
 657     g_free(args);
 658 }
 659
 660 static uint8_t base_required_struct_types[] = {
 661     0, 1, 3, 4, 16, 17, 19, 32, 127
 662 };
 663
 664 static void test_acpi_piix4_tcg(void)
 665 {
 666     test_data data;
 667
 668     /* Supplying -machine accel argument overrides the default (qtest).
 669      * This is to make guest actually run.
 670      */
 671     memset(&data, 0, sizeof(data));
 672     data.machine = MACHINE_PC;
 673     data.required_struct_types = base_required_struct_types;
 674     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 675     test_acpi_one(NULL, &data);
 676     free_test_data(&data);
 677 }
 678
 679 static void test_acpi_piix4_tcg_bridge(void)
 680 {
 681     test_data data;
 682
 683     memset(&data, 0, sizeof(data));
 684     data.machine = MACHINE_PC;
 685     data.variant = ".bridge";
 686     data.required_struct_types = base_required_struct_types;
 687     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 688     test_acpi_one("-device pci-bridge,chassis_nr=1", &data);
 689     free_test_data(&data);
 690 }
 691
 692 static void test_acpi_q35_tcg(void)
 693 {
 694     test_data data;
 695
 696     memset(&data, 0, sizeof(data));
 697     data.machine = MACHINE_Q35;
 698     data.required_struct_types = base_required_struct_types;
 699     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 700     test_acpi_one(NULL, &data);
 701     free_test_data(&data);
 702 }
 703
 704 static void test_acpi_q35_tcg_bridge(void)
 705 {
 706     test_data data;
 707
 708     memset(&data, 0, sizeof(data));
 709     data.machine = MACHINE_Q35;
 710     data.variant = ".bridge";
 711     data.required_struct_types = base_required_struct_types;
 712     data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
 713     test_acpi_one("-device pci-bridge,chassis_nr=1",
 714                   &data);
 715     free_test_data(&data);
 716 }
 717
 718 static void test_acpi_piix4_tcg_cphp(void)
 719 {
 720     test_data data;
 721
 722     memset(&data, 0, sizeof(data));
 723     data.machine = MACHINE_PC;
 724     data.variant = ".cphp";
 725     test_acpi_one("-smp 2,cores=3,sockets=2,maxcpus=6"
 726                   " -numa node -numa node",
 727                   &data);
 728     free_test_data(&data);
 729 }
 730
 731 static void test_acpi_q35_tcg_cphp(void)
 732 {
 733     test_data data;
 734
 735     memset(&data, 0, sizeof(data));
 736     data.machine = MACHINE_Q35;
 737     data.variant = ".cphp";
 738     test_acpi_one(" -smp 2,cores=3,sockets=2,maxcpus=6"
 739                   " -numa node -numa node",
 740                   &data);
 741     free_test_data(&data);
 742 }
 743
 744 static uint8_t ipmi_required_struct_types[] = {
 745     0, 1, 3, 4, 16, 17, 19, 32, 38, 127
 746 };
 747
 748 static void test_acpi_q35_tcg_ipmi(void)
 749 {
 750     test_data data;
 751
 752     memset(&data, 0, sizeof(data));
 753     data.machine = MACHINE_Q35;
 754     data.variant = ".ipmibt";
 755     data.required_struct_types = ipmi_required_struct_types;
 756     data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
 757     test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
 758                   " -device isa-ipmi-bt,bmc=bmc0",
 759                   &data);
 760     free_test_data(&data);
 761 }
 762
 763 static void test_acpi_piix4_tcg_ipmi(void)
 764 {
 765     test_data data;
 766
 767     /* Supplying -machine accel argument overrides the default (qtest).
 768      * This is to make guest actually run.
 769      */
 770     memset(&data, 0, sizeof(data));
 771     data.machine = MACHINE_PC;
 772     data.variant = ".ipmikcs";
 773     data.required_struct_types = ipmi_required_struct_types;
 774     data.required_struct_types_len = ARRAY_SIZE(ipmi_required_struct_types);
 775     test_acpi_one("-device ipmi-bmc-sim,id=bmc0"
 776                   " -device isa-ipmi-kcs,irq=0,bmc=bmc0",
 777                   &data);
 778     free_test_data(&data);
 779 }
 780
 781 static void test_acpi_q35_tcg_memhp(void)
 782 {
 783     test_data data;
 784
 785     memset(&data, 0, sizeof(data));
 786     data.machine = MACHINE_Q35;
 787     data.variant = ".memhp";
 788     test_acpi_one(" -m 128,slots=3,maxmem=1G -numa node", &data);
 789     free_test_data(&data);
 790 }
 791
 792 static void test_acpi_piix4_tcg_memhp(void)
 793 {
 794     test_data data;
 795
 796     memset(&data, 0, sizeof(data));
 797     data.machine = MACHINE_PC;
 798     data.variant = ".memhp";
 799     test_acpi_one(" -m 128,slots=3,maxmem=1G -numa node", &data);
 800     free_test_data(&data);
 801 }
 802
 803 int main(int argc, char *argv[])
 804 {
 805     const char *arch = qtest_get_arch();
 806     int ret;
 807
 808     ret = boot_sector_init(disk);
 809     if(ret)
 810         return ret;
 811
 812     g_test_init(&argc, &argv, NULL);
 813
 814     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 815         qtest_add_func("acpi/piix4", test_acpi_piix4_tcg);
 816         qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge);
 817         qtest_add_func("acpi/q35", test_acpi_q35_tcg);
 818         qtest_add_func("acpi/q35/bridge", test_acpi_q35_tcg_bridge);
 819         qtest_add_func("acpi/piix4/ipmi", test_acpi_piix4_tcg_ipmi);
 820         qtest_add_func("acpi/q35/ipmi", test_acpi_q35_tcg_ipmi);
 821         qtest_add_func("acpi/piix4/cpuhp", test_acpi_piix4_tcg_cphp);
 822         qtest_add_func("acpi/q35/cpuhp", test_acpi_q35_tcg_cphp);
 823         qtest_add_func("acpi/piix4/memhp", test_acpi_piix4_tcg_memhp);
 824         qtest_add_func("acpi/q35/memhp", test_acpi_q35_tcg_memhp);
 825     }
 826     ret = g_test_run();
 827     boot_sector_cleanup(disk);
 828     return ret;
 829 }