tests/libqtest.h

   1 /*
   2  * QTest
   3  *
   4  * Copyright IBM, Corp. 2012
   5  * Copyright Red Hat, Inc. 2012
   6  * Copyright SUSE LINUX Products GmbH 2013
   7  *
   8  * Authors:
   9  *  Anthony Liguori   <aliguori@us.ibm.com>
  10  *  Paolo Bonzini     <pbonzini@redhat.com>
  11  *  Andreas Färber    <afaerber@suse.de>
  12  *
  13  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  14  * See the COPYING file in the top-level directory.
  15  *
  16  */
  17 #ifndef LIBQTEST_H
  18 #define LIBQTEST_H
  19
  20 #include "qapi/qmp/qobject.h"
  21 #include "qapi/qmp/qdict.h"
  22
  23 typedef struct QTestState QTestState;
  24
  25 extern QTestState *global_qtest;
  26
  27 /**
  28  * qtest_initf:
  29  * @fmt...: Format for creating other arguments to pass to QEMU, formatted
  30  * like sprintf().
  31  *
  32  * Convenience wrapper around qtest_init().
  33  *
  34  * Returns: #QTestState instance.
  35  */
  36 QTestState *qtest_initf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
  37
  38 /**
  39  * qtest_vinitf:
  40  * @fmt: Format for creating other arguments to pass to QEMU, formatted
  41  * like vsprintf().
  42  * @ap: Format arguments.
  43  *
  44  * Convenience wrapper around qtest_init().
  45  *
  46  * Returns: #QTestState instance.
  47  */
  48 QTestState *qtest_vinitf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
  49
  50 /**
  51  * qtest_init:
  52  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
  53  * arguments are subject to word splitting and shell evaluation.
  54  *
  55  * Returns: #QTestState instance.
  56  */
  57 QTestState *qtest_init(const char *extra_args);
  58
  59 /**
  60  * qtest_init_without_qmp_handshake:
  61  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
  62  * arguments are subject to word splitting and shell evaluation.
  63  *
  64  * Returns: #QTestState instance.
  65  */
  66 QTestState *qtest_init_without_qmp_handshake(const char *extra_args);
  67
  68 /**
  69  * qtest_init_with_serial:
  70  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
  71  * arguments are subject to word splitting and shell evaluation.
  72  * @sock_fd: pointer to store the socket file descriptor for
  73  * connection with serial.
  74  *
  75  * Returns: #QTestState instance.
  76  */
  77 QTestState *qtest_init_with_serial(const char *extra_args, int *sock_fd);
  78
  79 /**
  80  * qtest_quit:
  81  * @s: #QTestState instance to operate on.
  82  *
  83  * Shut down the QEMU process associated to @s.
  84  */
  85 void qtest_quit(QTestState *s);
  86
  87 /**
  88  * qtest_qmp_fds:
  89  * @s: #QTestState instance to operate on.
  90  * @fds: array of file descriptors
  91  * @fds_num: number of elements in @fds
  92  * @fmt...: QMP message to send to qemu, formatted like
  93  * qobject_from_jsonf_nofail().  See parse_escape() for what's
  94  * supported after '%'.
  95  *
  96  * Sends a QMP message to QEMU with fds and returns the response.
  97  */
  98 QDict *qtest_qmp_fds(QTestState *s, int *fds, size_t fds_num,
  99                      const char *fmt, ...)
 100     GCC_FMT_ATTR(4, 5);
 101
 102 /**
 103  * qtest_qmp:
 104  * @s: #QTestState instance to operate on.
 105  * @fmt...: QMP message to send to qemu, formatted like
 106  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 107  * supported after '%'.
 108  *
 109  * Sends a QMP message to QEMU and returns the response.
 110  */
 111 QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
 112     GCC_FMT_ATTR(2, 3);
 113
 114 /**
 115  * qtest_qmp_send:
 116  * @s: #QTestState instance to operate on.
 117  * @fmt...: QMP message to send to qemu, formatted like
 118  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 119  * supported after '%'.
 120  *
 121  * Sends a QMP message to QEMU and leaves the response in the stream.
 122  */
 123 void qtest_qmp_send(QTestState *s, const char *fmt, ...)
 124     GCC_FMT_ATTR(2, 3);
 125
 126 /**
 127  * qtest_qmp_send_raw:
 128  * @s: #QTestState instance to operate on.
 129  * @fmt...: text to send, formatted like sprintf()
 130  *
 131  * Sends text to the QMP monitor verbatim.  Need not be valid JSON;
 132  * this is useful for negative tests.
 133  */
 134 void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
 135     GCC_FMT_ATTR(2, 3);
 136
 137 /**
 138  * qtest_vqmp_fds:
 139  * @s: #QTestState instance to operate on.
 140  * @fds: array of file descriptors
 141  * @fds_num: number of elements in @fds
 142  * @fmt: QMP message to send to QEMU, formatted like
 143  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 144  * supported after '%'.
 145  * @ap: QMP message arguments
 146  *
 147  * Sends a QMP message to QEMU with fds and returns the response.
 148  */
 149 QDict *qtest_vqmp_fds(QTestState *s, int *fds, size_t fds_num,
 150                       const char *fmt, va_list ap)
 151     GCC_FMT_ATTR(4, 0);
 152
 153 /**
 154  * qtest_vqmp:
 155  * @s: #QTestState instance to operate on.
 156  * @fmt: QMP message to send to QEMU, formatted like
 157  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 158  * supported after '%'.
 159  * @ap: QMP message arguments
 160  *
 161  * Sends a QMP message to QEMU and returns the response.
 162  */
 163 QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
 164     GCC_FMT_ATTR(2, 0);
 165
 166 /**
 167  * qtest_qmp_vsend_fds:
 168  * @s: #QTestState instance to operate on.
 169  * @fds: array of file descriptors
 170  * @fds_num: number of elements in @fds
 171  * @fmt: QMP message to send to QEMU, formatted like
 172  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 173  * supported after '%'.
 174  * @ap: QMP message arguments
 175  *
 176  * Sends a QMP message to QEMU and leaves the response in the stream.
 177  */
 178 void qtest_qmp_vsend_fds(QTestState *s, int *fds, size_t fds_num,
 179                          const char *fmt, va_list ap)
 180     GCC_FMT_ATTR(4, 0);
 181
 182 /**
 183  * qtest_qmp_vsend:
 184  * @s: #QTestState instance to operate on.
 185  * @fmt: QMP message to send to QEMU, formatted like
 186  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 187  * supported after '%'.
 188  * @ap: QMP message arguments
 189  *
 190  * Sends a QMP message to QEMU and leaves the response in the stream.
 191  */
 192 void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
 193     GCC_FMT_ATTR(2, 0);
 194
 195 /**
 196  * qtest_receive:
 197  * @s: #QTestState instance to operate on.
 198  *
 199  * Reads a QMP message from QEMU and returns the response.
 200  */
 201 QDict *qtest_qmp_receive(QTestState *s);
 202
 203 /**
 204  * qtest_qmp_eventwait:
 205  * @s: #QTestState instance to operate on.
 206  * @s: #event event to wait for.
 207  *
 208  * Continuously polls for QMP responses until it receives the desired event.
 209  */
 210 void qtest_qmp_eventwait(QTestState *s, const char *event);
 211
 212 /**
 213  * qtest_qmp_eventwait_ref:
 214  * @s: #QTestState instance to operate on.
 215  * @s: #event event to wait for.
 216  *
 217  * Continuously polls for QMP responses until it receives the desired event.
 218  * Returns a copy of the event for further investigation.
 219  */
 220 QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event);
 221
 222 /**
 223  * qtest_qmp_receive_success:
 224  * @s: #QTestState instance to operate on
 225  * @event_cb: Event callback
 226  * @opaque: Argument for @event_cb
 227  *
 228  * Poll QMP messages until a command success response is received.
 229  * If @event_cb, call it for each event received, passing @opaque,
 230  * the event's name and data.
 231  * Return the success response's "return" member.
 232  */
 233 QDict *qtest_qmp_receive_success(QTestState *s,
 234                                  void (*event_cb)(void *opaque,
 235                                                   const char *name,
 236                                                   QDict *data),
 237                                  void *opaque);
 238
 239 /**
 240  * qtest_hmp:
 241  * @s: #QTestState instance to operate on.
 242  * @fmt...: HMP command to send to QEMU, formats arguments like sprintf().
 243  *
 244  * Send HMP command to QEMU via QMP's human-monitor-command.
 245  * QMP events are discarded.
 246  *
 247  * Returns: the command's output.  The caller should g_free() it.
 248  */
 249 char *qtest_hmp(QTestState *s, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 250
 251 /**
 252  * qtest_hmpv:
 253  * @s: #QTestState instance to operate on.
 254  * @fmt: HMP command to send to QEMU, formats arguments like vsprintf().
 255  * @ap: HMP command arguments
 256  *
 257  * Send HMP command to QEMU via QMP's human-monitor-command.
 258  * QMP events are discarded.
 259  *
 260  * Returns: the command's output.  The caller should g_free() it.
 261  */
 262 char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
 263     GCC_FMT_ATTR(2, 0);
 264
 265 void qtest_module_load(QTestState *s, const char *prefix, const char *libname);
 266
 267 /**
 268  * qtest_get_irq:
 269  * @s: #QTestState instance to operate on.
 270  * @num: Interrupt to observe.
 271  *
 272  * Returns: The level of the @num interrupt.
 273  */
 274 bool qtest_get_irq(QTestState *s, int num);
 275
 276 /**
 277  * qtest_irq_intercept_in:
 278  * @s: #QTestState instance to operate on.
 279  * @string: QOM path of a device.
 280  *
 281  * Associate qtest irqs with the GPIO-in pins of the device
 282  * whose path is specified by @string.
 283  */
 284 void qtest_irq_intercept_in(QTestState *s, const char *string);
 285
 286 /**
 287  * qtest_irq_intercept_out:
 288  * @s: #QTestState instance to operate on.
 289  * @string: QOM path of a device.
 290  *
 291  * Associate qtest irqs with the GPIO-out pins of the device
 292  * whose path is specified by @string.
 293  */
 294 void qtest_irq_intercept_out(QTestState *s, const char *string);
 295
 296 /**
 297  * qtest_set_irq_in:
 298  * @s: QTestState instance to operate on.
 299  * @string: QOM path of a device
 300  * @name: IRQ name
 301  * @irq: IRQ number
 302  * @level: IRQ level
 303  *
 304  * Force given device/irq GPIO-in pin to the given level.
 305  */
 306 void qtest_set_irq_in(QTestState *s, const char *string, const char *name,
 307                       int irq, int level);
 308
 309 /**
 310  * qtest_outb:
 311  * @s: #QTestState instance to operate on.
 312  * @addr: I/O port to write to.
 313  * @value: Value being written.
 314  *
 315  * Write an 8-bit value to an I/O port.
 316  */
 317 void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);
 318
 319 /**
 320  * qtest_outw:
 321  * @s: #QTestState instance to operate on.
 322  * @addr: I/O port to write to.
 323  * @value: Value being written.
 324  *
 325  * Write a 16-bit value to an I/O port.
 326  */
 327 void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);
 328
 329 /**
 330  * qtest_outl:
 331  * @s: #QTestState instance to operate on.
 332  * @addr: I/O port to write to.
 333  * @value: Value being written.
 334  *
 335  * Write a 32-bit value to an I/O port.
 336  */
 337 void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);
 338
 339 /**
 340  * qtest_inb:
 341  * @s: #QTestState instance to operate on.
 342  * @addr: I/O port to read from.
 343  *
 344  * Returns an 8-bit value from an I/O port.
 345  */
 346 uint8_t qtest_inb(QTestState *s, uint16_t addr);
 347
 348 /**
 349  * qtest_inw:
 350  * @s: #QTestState instance to operate on.
 351  * @addr: I/O port to read from.
 352  *
 353  * Returns a 16-bit value from an I/O port.
 354  */
 355 uint16_t qtest_inw(QTestState *s, uint16_t addr);
 356
 357 /**
 358  * qtest_inl:
 359  * @s: #QTestState instance to operate on.
 360  * @addr: I/O port to read from.
 361  *
 362  * Returns a 32-bit value from an I/O port.
 363  */
 364 uint32_t qtest_inl(QTestState *s, uint16_t addr);
 365
 366 /**
 367  * qtest_writeb:
 368  * @s: #QTestState instance to operate on.
 369  * @addr: Guest address to write to.
 370  * @value: Value being written.
 371  *
 372  * Writes an 8-bit value to memory.
 373  */
 374 void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value);
 375
 376 /**
 377  * qtest_writew:
 378  * @s: #QTestState instance to operate on.
 379  * @addr: Guest address to write to.
 380  * @value: Value being written.
 381  *
 382  * Writes a 16-bit value to memory.
 383  */
 384 void qtest_writew(QTestState *s, uint64_t addr, uint16_t value);
 385
 386 /**
 387  * qtest_writel:
 388  * @s: #QTestState instance to operate on.
 389  * @addr: Guest address to write to.
 390  * @value: Value being written.
 391  *
 392  * Writes a 32-bit value to memory.
 393  */
 394 void qtest_writel(QTestState *s, uint64_t addr, uint32_t value);
 395
 396 /**
 397  * qtest_writeq:
 398  * @s: #QTestState instance to operate on.
 399  * @addr: Guest address to write to.
 400  * @value: Value being written.
 401  *
 402  * Writes a 64-bit value to memory.
 403  */
 404 void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value);
 405
 406 /**
 407  * qtest_readb:
 408  * @s: #QTestState instance to operate on.
 409  * @addr: Guest address to read from.
 410  *
 411  * Reads an 8-bit value from memory.
 412  *
 413  * Returns: Value read.
 414  */
 415 uint8_t qtest_readb(QTestState *s, uint64_t addr);
 416
 417 /**
 418  * qtest_readw:
 419  * @s: #QTestState instance to operate on.
 420  * @addr: Guest address to read from.
 421  *
 422  * Reads a 16-bit value from memory.
 423  *
 424  * Returns: Value read.
 425  */
 426 uint16_t qtest_readw(QTestState *s, uint64_t addr);
 427
 428 /**
 429  * qtest_readl:
 430  * @s: #QTestState instance to operate on.
 431  * @addr: Guest address to read from.
 432  *
 433  * Reads a 32-bit value from memory.
 434  *
 435  * Returns: Value read.
 436  */
 437 uint32_t qtest_readl(QTestState *s, uint64_t addr);
 438
 439 /**
 440  * qtest_readq:
 441  * @s: #QTestState instance to operate on.
 442  * @addr: Guest address to read from.
 443  *
 444  * Reads a 64-bit value from memory.
 445  *
 446  * Returns: Value read.
 447  */
 448 uint64_t qtest_readq(QTestState *s, uint64_t addr);
 449
 450 /**
 451  * qtest_memread:
 452  * @s: #QTestState instance to operate on.
 453  * @addr: Guest address to read from.
 454  * @data: Pointer to where memory contents will be stored.
 455  * @size: Number of bytes to read.
 456  *
 457  * Read guest memory into a buffer.
 458  */
 459 void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
 460
 461 /**
 462  * qtest_rtas_call:
 463  * @s: #QTestState instance to operate on.
 464  * @name: name of the command to call.
 465  * @nargs: Number of args.
 466  * @args: Guest address to read args from.
 467  * @nret: Number of return value.
 468  * @ret: Guest address to write return values to.
 469  *
 470  * Call an RTAS function
 471  */
 472 uint64_t qtest_rtas_call(QTestState *s, const char *name,
 473                          uint32_t nargs, uint64_t args,
 474                          uint32_t nret, uint64_t ret);
 475
 476 /**
 477  * qtest_bufread:
 478  * @s: #QTestState instance to operate on.
 479  * @addr: Guest address to read from.
 480  * @data: Pointer to where memory contents will be stored.
 481  * @size: Number of bytes to read.
 482  *
 483  * Read guest memory into a buffer and receive using a base64 encoding.
 484  */
 485 void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size);
 486
 487 /**
 488  * qtest_memwrite:
 489  * @s: #QTestState instance to operate on.
 490  * @addr: Guest address to write to.
 491  * @data: Pointer to the bytes that will be written to guest memory.
 492  * @size: Number of bytes to write.
 493  *
 494  * Write a buffer to guest memory.
 495  */
 496 void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);
 497
 498 /**
 499  * qtest_bufwrite:
 500  * @s: #QTestState instance to operate on.
 501  * @addr: Guest address to write to.
 502  * @data: Pointer to the bytes that will be written to guest memory.
 503  * @size: Number of bytes to write.
 504  *
 505  * Write a buffer to guest memory and transmit using a base64 encoding.
 506  */
 507 void qtest_bufwrite(QTestState *s, uint64_t addr,
 508                     const void *data, size_t size);
 509
 510 /**
 511  * qtest_memset:
 512  * @s: #QTestState instance to operate on.
 513  * @addr: Guest address to write to.
 514  * @patt: Byte pattern to fill the guest memory region with.
 515  * @size: Number of bytes to write.
 516  *
 517  * Write a pattern to guest memory.
 518  */
 519 void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size);
 520
 521 /**
 522  * qtest_clock_step_next:
 523  * @s: #QTestState instance to operate on.
 524  *
 525  * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 526  *
 527  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 528  */
 529 int64_t qtest_clock_step_next(QTestState *s);
 530
 531 /**
 532  * qtest_clock_step:
 533  * @s: QTestState instance to operate on.
 534  * @step: Number of nanoseconds to advance the clock by.
 535  *
 536  * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 537  *
 538  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 539  */
 540 int64_t qtest_clock_step(QTestState *s, int64_t step);
 541
 542 /**
 543  * qtest_clock_set:
 544  * @s: QTestState instance to operate on.
 545  * @val: Nanoseconds value to advance the clock to.
 546  *
 547  * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
 548  *
 549  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 550  */
 551 int64_t qtest_clock_set(QTestState *s, int64_t val);
 552
 553 /**
 554  * qtest_big_endian:
 555  * @s: QTestState instance to operate on.
 556  *
 557  * Returns: True if the architecture under test has a big endian configuration.
 558  */
 559 bool qtest_big_endian(QTestState *s);
 560
 561 /**
 562  * qtest_get_arch:
 563  *
 564  * Returns: The architecture for the QEMU executable under test.
 565  */
 566 const char *qtest_get_arch(void);
 567
 568 /**
 569  * qtest_add_func:
 570  * @str: Test case path.
 571  * @fn: Test case function
 572  *
 573  * Add a GTester testcase with the given name and function.
 574  * The path is prefixed with the architecture under test, as
 575  * returned by qtest_get_arch().
 576  */
 577 void qtest_add_func(const char *str, void (*fn)(void));
 578
 579 /**
 580  * qtest_add_data_func:
 581  * @str: Test case path.
 582  * @data: Test case data
 583  * @fn: Test case function
 584  *
 585  * Add a GTester testcase with the given name, data and function.
 586  * The path is prefixed with the architecture under test, as
 587  * returned by qtest_get_arch().
 588  */
 589 void qtest_add_data_func(const char *str, const void *data,
 590                          void (*fn)(const void *));
 591
 592 /**
 593  * qtest_add_data_func_full:
 594  * @str: Test case path.
 595  * @data: Test case data
 596  * @fn: Test case function
 597  * @data_free_func: GDestroyNotify for data
 598  *
 599  * Add a GTester testcase with the given name, data and function.
 600  * The path is prefixed with the architecture under test, as
 601  * returned by qtest_get_arch().
 602  *
 603  * @data is passed to @data_free_func() on test completion.
 604  */
 605 void qtest_add_data_func_full(const char *str, void *data,
 606                               void (*fn)(const void *),
 607                               GDestroyNotify data_free_func);
 608
 609 /**
 610  * qtest_add:
 611  * @testpath: Test case path
 612  * @Fixture: Fixture type
 613  * @tdata: Test case data
 614  * @fsetup: Test case setup function
 615  * @ftest: Test case function
 616  * @fteardown: Test case teardown function
 617  *
 618  * Add a GTester testcase with the given name, data and functions.
 619  * The path is prefixed with the architecture under test, as
 620  * returned by qtest_get_arch().
 621  */
 622 #define qtest_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
 623     do { \
 624         char *path = g_strdup_printf("/%s/%s", qtest_get_arch(), testpath); \
 625         g_test_add(path, Fixture, tdata, fsetup, ftest, fteardown); \
 626         g_free(path); \
 627     } while (0)
 628
 629 void qtest_add_abrt_handler(GHookFunc fn, const void *data);
 630
 631 /**
 632  * qtest_start:
 633  * @args: other arguments to pass to QEMU
 634  *
 635  * Start QEMU and assign the resulting #QTestState to a global variable.
 636  * The global variable is used by "shortcut" functions documented below.
 637  *
 638  * Returns: #QTestState instance.
 639  */
 640 static inline QTestState *qtest_start(const char *args)
 641 {
 642     global_qtest = qtest_init(args);
 643     return global_qtest;
 644 }
 645
 646 /**
 647  * qtest_end:
 648  *
 649  * Shut down the QEMU process started by qtest_start().
 650  */
 651 static inline void qtest_end(void)
 652 {
 653     if (!global_qtest) {
 654         return;
 655     }
 656     qtest_quit(global_qtest);
 657     global_qtest = NULL;
 658 }
 659
 660 /**
 661  * qmp:
 662  * @fmt...: QMP message to send to qemu, formatted like
 663  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 664  * supported after '%'.
 665  *
 666  * Sends a QMP message to QEMU and returns the response.
 667  */
 668 QDict *qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 669
 670 /**
 671  * qtest_qmp_assert_success:
 672  * @qts: QTestState instance to operate on
 673  * @fmt...: QMP message to send to qemu, formatted like
 674  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 675  * supported after '%'.
 676  *
 677  * Sends a QMP message to QEMU and asserts that a 'return' key is present in
 678  * the response.
 679  */
 680 void qtest_qmp_assert_success(QTestState *qts, const char *fmt, ...)
 681     GCC_FMT_ATTR(2, 3);
 682
 683 /*
 684  * qmp_eventwait:
 685  * @s: #event event to wait for.
 686  *
 687  * Continuously polls for QMP responses until it receives the desired event.
 688  */
 689 static inline void qmp_eventwait(const char *event)
 690 {
 691     return qtest_qmp_eventwait(global_qtest, event);
 692 }
 693
 694 /**
 695  * get_irq:
 696  * @num: Interrupt to observe.
 697  *
 698  * Returns: The level of the @num interrupt.
 699  */
 700 static inline bool get_irq(int num)
 701 {
 702     return qtest_get_irq(global_qtest, num);
 703 }
 704
 705 /**
 706  * outb:
 707  * @addr: I/O port to write to.
 708  * @value: Value being written.
 709  *
 710  * Write an 8-bit value to an I/O port.
 711  */
 712 static inline void outb(uint16_t addr, uint8_t value)
 713 {
 714     qtest_outb(global_qtest, addr, value);
 715 }
 716
 717 /**
 718  * outw:
 719  * @addr: I/O port to write to.
 720  * @value: Value being written.
 721  *
 722  * Write a 16-bit value to an I/O port.
 723  */
 724 static inline void outw(uint16_t addr, uint16_t value)
 725 {
 726     qtest_outw(global_qtest, addr, value);
 727 }
 728
 729 /**
 730  * outl:
 731  * @addr: I/O port to write to.
 732  * @value: Value being written.
 733  *
 734  * Write a 32-bit value to an I/O port.
 735  */
 736 static inline void outl(uint16_t addr, uint32_t value)
 737 {
 738     qtest_outl(global_qtest, addr, value);
 739 }
 740
 741 /**
 742  * inb:
 743  * @addr: I/O port to read from.
 744  *
 745  * Reads an 8-bit value from an I/O port.
 746  *
 747  * Returns: Value read.
 748  */
 749 static inline uint8_t inb(uint16_t addr)
 750 {
 751     return qtest_inb(global_qtest, addr);
 752 }
 753
 754 /**
 755  * inw:
 756  * @addr: I/O port to read from.
 757  *
 758  * Reads a 16-bit value from an I/O port.
 759  *
 760  * Returns: Value read.
 761  */
 762 static inline uint16_t inw(uint16_t addr)
 763 {
 764     return qtest_inw(global_qtest, addr);
 765 }
 766
 767 /**
 768  * inl:
 769  * @addr: I/O port to read from.
 770  *
 771  * Reads a 32-bit value from an I/O port.
 772  *
 773  * Returns: Value read.
 774  */
 775 static inline uint32_t inl(uint16_t addr)
 776 {
 777     return qtest_inl(global_qtest, addr);
 778 }
 779
 780 /**
 781  * writeb:
 782  * @addr: Guest address to write to.
 783  * @value: Value being written.
 784  *
 785  * Writes an 8-bit value to guest memory.
 786  */
 787 static inline void writeb(uint64_t addr, uint8_t value)
 788 {
 789     qtest_writeb(global_qtest, addr, value);
 790 }
 791
 792 /**
 793  * writew:
 794  * @addr: Guest address to write to.
 795  * @value: Value being written.
 796  *
 797  * Writes a 16-bit value to guest memory.
 798  */
 799 static inline void writew(uint64_t addr, uint16_t value)
 800 {
 801     qtest_writew(global_qtest, addr, value);
 802 }
 803
 804 /**
 805  * writel:
 806  * @addr: Guest address to write to.
 807  * @value: Value being written.
 808  *
 809  * Writes a 32-bit value to guest memory.
 810  */
 811 static inline void writel(uint64_t addr, uint32_t value)
 812 {
 813     qtest_writel(global_qtest, addr, value);
 814 }
 815
 816 /**
 817  * writeq:
 818  * @addr: Guest address to write to.
 819  * @value: Value being written.
 820  *
 821  * Writes a 64-bit value to guest memory.
 822  */
 823 static inline void writeq(uint64_t addr, uint64_t value)
 824 {
 825     qtest_writeq(global_qtest, addr, value);
 826 }
 827
 828 /**
 829  * readb:
 830  * @addr: Guest address to read from.
 831  *
 832  * Reads an 8-bit value from guest memory.
 833  *
 834  * Returns: Value read.
 835  */
 836 static inline uint8_t readb(uint64_t addr)
 837 {
 838     return qtest_readb(global_qtest, addr);
 839 }
 840
 841 /**
 842  * readw:
 843  * @addr: Guest address to read from.
 844  *
 845  * Reads a 16-bit value from guest memory.
 846  *
 847  * Returns: Value read.
 848  */
 849 static inline uint16_t readw(uint64_t addr)
 850 {
 851     return qtest_readw(global_qtest, addr);
 852 }
 853
 854 /**
 855  * readl:
 856  * @addr: Guest address to read from.
 857  *
 858  * Reads a 32-bit value from guest memory.
 859  *
 860  * Returns: Value read.
 861  */
 862 static inline uint32_t readl(uint64_t addr)
 863 {
 864     return qtest_readl(global_qtest, addr);
 865 }
 866
 867 /**
 868  * readq:
 869  * @addr: Guest address to read from.
 870  *
 871  * Reads a 64-bit value from guest memory.
 872  *
 873  * Returns: Value read.
 874  */
 875 static inline uint64_t readq(uint64_t addr)
 876 {
 877     return qtest_readq(global_qtest, addr);
 878 }
 879
 880 /**
 881  * memread:
 882  * @addr: Guest address to read from.
 883  * @data: Pointer to where memory contents will be stored.
 884  * @size: Number of bytes to read.
 885  *
 886  * Read guest memory into a buffer.
 887  */
 888 static inline void memread(uint64_t addr, void *data, size_t size)
 889 {
 890     qtest_memread(global_qtest, addr, data, size);
 891 }
 892
 893 /**
 894  * memwrite:
 895  * @addr: Guest address to write to.
 896  * @data: Pointer to the bytes that will be written to guest memory.
 897  * @size: Number of bytes to write.
 898  *
 899  * Write a buffer to guest memory.
 900  */
 901 static inline void memwrite(uint64_t addr, const void *data, size_t size)
 902 {
 903     qtest_memwrite(global_qtest, addr, data, size);
 904 }
 905
 906 /**
 907  * clock_step_next:
 908  *
 909  * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 910  *
 911  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 912  */
 913 static inline int64_t clock_step_next(void)
 914 {
 915     return qtest_clock_step_next(global_qtest);
 916 }
 917
 918 /**
 919  * clock_step:
 920  * @step: Number of nanoseconds to advance the clock by.
 921  *
 922  * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 923  *
 924  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 925  */
 926 static inline int64_t clock_step(int64_t step)
 927 {
 928     return qtest_clock_step(global_qtest, step);
 929 }
 930
 931 QDict *qmp_fd_receive(int fd);
 932 void qmp_fd_vsend_fds(int fd, int *fds, size_t fds_num,
 933                       const char *fmt, va_list ap) GCC_FMT_ATTR(4, 0);
 934 void qmp_fd_vsend(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 935 void qmp_fd_send(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 936 void qmp_fd_send_raw(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 937 void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 938 QDict *qmp_fdv(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 939 QDict *qmp_fd(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 940
 941 /**
 942  * qtest_cb_for_every_machine:
 943  * @cb: Pointer to the callback function
 944  * @skip_old_versioned: true if versioned old machine types should be skipped
 945  *
 946  *  Call a callback function for every name of all available machines.
 947  */
 948 void qtest_cb_for_every_machine(void (*cb)(const char *machine),
 949                                 bool skip_old_versioned);
 950
 951 /**
 952  * qtest_qmp_device_add:
 953  * @qts: QTestState instance to operate on
 954  * @driver: Name of the device that should be added
 955  * @id: Identification string
 956  * @fmt...: QMP message to send to qemu, formatted like
 957  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 958  * supported after '%'.
 959  *
 960  * Generic hot-plugging test via the device_add QMP command.
 961  */
 962 void qtest_qmp_device_add(QTestState *qts, const char *driver, const char *id,
 963                           const char *fmt, ...) GCC_FMT_ATTR(4, 5);
 964
 965 /**
 966  * qtest_qmp_device_del:
 967  * @qts: QTestState instance to operate on
 968  * @id: Identification string
 969  *
 970  * Generic hot-unplugging test via the device_del QMP command.
 971  */
 972 void qtest_qmp_device_del(QTestState *qts, const char *id);
 973
 974 /**
 975  * qmp_rsp_is_err:
 976  * @rsp: QMP response to check for error
 977  *
 978  * Test @rsp for error and discard @rsp.
 979  * Returns 'true' if there is error in @rsp and 'false' otherwise.
 980  */
 981 bool qmp_rsp_is_err(QDict *rsp);
 982
 983 /**
 984  * qmp_assert_error_class:
 985  * @rsp: QMP response to check for error
 986  * @class: an error class
 987  *
 988  * Assert the response has the given error class and discard @rsp.
 989  */
 990 void qmp_assert_error_class(QDict *rsp, const char *class);
 991
 992 /**
 993  * qtest_probe_child:
 994  * @s: QTestState instance to operate on.
 995  *
 996  * Returns: true if the child is still alive.
 997  */
 998 bool qtest_probe_child(QTestState *s);
 999
1000 #endif