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