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