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  * @extra_args: other arguments to pass to QEMU.  CAUTION: these
  59  * arguments are subject to word splitting and shell evaluation.
  60  *
  61  * Returns: #QTestState instance.
  62  */
  63 QTestState *qtest_init_without_qmp_handshake(const char *extra_args);
  64
  65 /**
  66  * qtest_quit:
  67  * @s: #QTestState instance to operate on.
  68  *
  69  * Shut down the QEMU process associated to @s.
  70  */
  71 void qtest_quit(QTestState *s);
  72
  73 /**
  74  * qtest_qmp:
  75  * @s: #QTestState instance to operate on.
  76  * @fmt...: QMP message to send to qemu, formatted like
  77  * qobject_from_jsonf_nofail().  See parse_escape() for what's
  78  * supported after '%'.
  79  *
  80  * Sends a QMP message to QEMU and returns the response.
  81  */
  82 QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
  83     GCC_FMT_ATTR(2, 3);
  84
  85 /**
  86  * qtest_qmp_send:
  87  * @s: #QTestState instance to operate on.
  88  * @fmt...: QMP message to send to qemu, formatted like
  89  * qobject_from_jsonf_nofail().  See parse_escape() for what's
  90  * supported after '%'.
  91  *
  92  * Sends a QMP message to QEMU and leaves the response in the stream.
  93  */
  94 void qtest_qmp_send(QTestState *s, const char *fmt, ...)
  95     GCC_FMT_ATTR(2, 3);
  96
  97 /**
  98  * qtest_qmp_send_raw:
  99  * @s: #QTestState instance to operate on.
 100  * @fmt...: text to send, formatted like sprintf()
 101  *
 102  * Sends text to the QMP monitor verbatim.  Need not be valid JSON;
 103  * this is useful for negative tests.
 104  */
 105 void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
 106     GCC_FMT_ATTR(2, 3);
 107
 108 /**
 109  * qtest_qmpv:
 110  * @s: #QTestState instance to operate on.
 111  * @fmt: QMP message to send to QEMU, formatted like
 112  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 113  * supported after '%'.
 114  * @ap: QMP message arguments
 115  *
 116  * Sends a QMP message to QEMU and returns the response.
 117  */
 118 QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
 119     GCC_FMT_ATTR(2, 0);
 120
 121 /**
 122  * qtest_qmp_vsend:
 123  * @s: #QTestState instance to operate on.
 124  * @fmt: QMP message to send to QEMU, formatted like
 125  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 126  * supported after '%'.
 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     GCC_FMT_ATTR(2, 0);
 133
 134 /**
 135  * qtest_receive:
 136  * @s: #QTestState instance to operate on.
 137  *
 138  * Reads a QMP message from QEMU and returns the response.
 139  */
 140 QDict *qtest_qmp_receive(QTestState *s);
 141
 142 /**
 143  * qtest_qmp_eventwait:
 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  */
 149 void qtest_qmp_eventwait(QTestState *s, const char *event);
 150
 151 /**
 152  * qtest_qmp_eventwait_ref:
 153  * @s: #QTestState instance to operate on.
 154  * @s: #event event to wait for.
 155  *
 156  * Continuously polls for QMP responses until it receives the desired event.
 157  * Returns a copy of the event for further investigation.
 158  */
 159 QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event);
 160
 161 /**
 162  * qtest_qmp_receive_success:
 163  * @s: #QTestState instance to operate on
 164  * @event_cb: Event callback
 165  * @opaque: Argument for @event_cb
 166  *
 167  * Poll QMP messages until a command success response is received.
 168  * If @event_cb, call it for each event received, passing @opaque,
 169  * the event's name and data.
 170  * Return the success response's "return" member.
 171  */
 172 QDict *qtest_qmp_receive_success(QTestState *s,
 173                                  void (*event_cb)(void *opaque,
 174                                                   const char *name,
 175                                                   QDict *data),
 176                                  void *opaque);
 177
 178 /**
 179  * qtest_hmp:
 180  * @s: #QTestState instance to operate on.
 181  * @fmt...: HMP command to send to QEMU, formats arguments like sprintf().
 182  *
 183  * Send HMP command to QEMU via QMP's human-monitor-command.
 184  * QMP events are discarded.
 185  *
 186  * Returns: the command's output.  The caller should g_free() it.
 187  */
 188 char *qtest_hmp(QTestState *s, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 189
 190 /**
 191  * qtest_hmpv:
 192  * @s: #QTestState instance to operate on.
 193  * @fmt: HMP command to send to QEMU, formats arguments like vsprintf().
 194  * @ap: HMP command arguments
 195  *
 196  * Send HMP command to QEMU via QMP's human-monitor-command.
 197  * QMP events are discarded.
 198  *
 199  * Returns: the command's output.  The caller should g_free() it.
 200  */
 201 char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
 202     GCC_FMT_ATTR(2, 0);
 203
 204 /**
 205  * qtest_get_irq:
 206  * @s: #QTestState instance to operate on.
 207  * @num: Interrupt to observe.
 208  *
 209  * Returns: The level of the @num interrupt.
 210  */
 211 bool qtest_get_irq(QTestState *s, int num);
 212
 213 /**
 214  * qtest_irq_intercept_in:
 215  * @s: #QTestState instance to operate on.
 216  * @string: QOM path of a device.
 217  *
 218  * Associate qtest irqs with the GPIO-in pins of the device
 219  * whose path is specified by @string.
 220  */
 221 void qtest_irq_intercept_in(QTestState *s, const char *string);
 222
 223 /**
 224  * qtest_irq_intercept_out:
 225  * @s: #QTestState instance to operate on.
 226  * @string: QOM path of a device.
 227  *
 228  * Associate qtest irqs with the GPIO-out pins of the device
 229  * whose path is specified by @string.
 230  */
 231 void qtest_irq_intercept_out(QTestState *s, const char *string);
 232
 233 /**
 234  * qtest_outb:
 235  * @s: #QTestState instance to operate on.
 236  * @addr: I/O port to write to.
 237  * @value: Value being written.
 238  *
 239  * Write an 8-bit value to an I/O port.
 240  */
 241 void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);
 242
 243 /**
 244  * qtest_outw:
 245  * @s: #QTestState instance to operate on.
 246  * @addr: I/O port to write to.
 247  * @value: Value being written.
 248  *
 249  * Write a 16-bit value to an I/O port.
 250  */
 251 void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);
 252
 253 /**
 254  * qtest_outl:
 255  * @s: #QTestState instance to operate on.
 256  * @addr: I/O port to write to.
 257  * @value: Value being written.
 258  *
 259  * Write a 32-bit value to an I/O port.
 260  */
 261 void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);
 262
 263 /**
 264  * qtest_inb:
 265  * @s: #QTestState instance to operate on.
 266  * @addr: I/O port to read from.
 267  *
 268  * Returns an 8-bit value from an I/O port.
 269  */
 270 uint8_t qtest_inb(QTestState *s, uint16_t addr);
 271
 272 /**
 273  * qtest_inw:
 274  * @s: #QTestState instance to operate on.
 275  * @addr: I/O port to read from.
 276  *
 277  * Returns a 16-bit value from an I/O port.
 278  */
 279 uint16_t qtest_inw(QTestState *s, uint16_t addr);
 280
 281 /**
 282  * qtest_inl:
 283  * @s: #QTestState instance to operate on.
 284  * @addr: I/O port to read from.
 285  *
 286  * Returns a 32-bit value from an I/O port.
 287  */
 288 uint32_t qtest_inl(QTestState *s, uint16_t addr);
 289
 290 /**
 291  * qtest_writeb:
 292  * @s: #QTestState instance to operate on.
 293  * @addr: Guest address to write to.
 294  * @value: Value being written.
 295  *
 296  * Writes an 8-bit value to memory.
 297  */
 298 void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value);
 299
 300 /**
 301  * qtest_writew:
 302  * @s: #QTestState instance to operate on.
 303  * @addr: Guest address to write to.
 304  * @value: Value being written.
 305  *
 306  * Writes a 16-bit value to memory.
 307  */
 308 void qtest_writew(QTestState *s, uint64_t addr, uint16_t value);
 309
 310 /**
 311  * qtest_writel:
 312  * @s: #QTestState instance to operate on.
 313  * @addr: Guest address to write to.
 314  * @value: Value being written.
 315  *
 316  * Writes a 32-bit value to memory.
 317  */
 318 void qtest_writel(QTestState *s, uint64_t addr, uint32_t value);
 319
 320 /**
 321  * qtest_writeq:
 322  * @s: #QTestState instance to operate on.
 323  * @addr: Guest address to write to.
 324  * @value: Value being written.
 325  *
 326  * Writes a 64-bit value to memory.
 327  */
 328 void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value);
 329
 330 /**
 331  * qtest_readb:
 332  * @s: #QTestState instance to operate on.
 333  * @addr: Guest address to read from.
 334  *
 335  * Reads an 8-bit value from memory.
 336  *
 337  * Returns: Value read.
 338  */
 339 uint8_t qtest_readb(QTestState *s, uint64_t addr);
 340
 341 /**
 342  * qtest_readw:
 343  * @s: #QTestState instance to operate on.
 344  * @addr: Guest address to read from.
 345  *
 346  * Reads a 16-bit value from memory.
 347  *
 348  * Returns: Value read.
 349  */
 350 uint16_t qtest_readw(QTestState *s, uint64_t addr);
 351
 352 /**
 353  * qtest_readl:
 354  * @s: #QTestState instance to operate on.
 355  * @addr: Guest address to read from.
 356  *
 357  * Reads a 32-bit value from memory.
 358  *
 359  * Returns: Value read.
 360  */
 361 uint32_t qtest_readl(QTestState *s, uint64_t addr);
 362
 363 /**
 364  * qtest_readq:
 365  * @s: #QTestState instance to operate on.
 366  * @addr: Guest address to read from.
 367  *
 368  * Reads a 64-bit value from memory.
 369  *
 370  * Returns: Value read.
 371  */
 372 uint64_t qtest_readq(QTestState *s, uint64_t addr);
 373
 374 /**
 375  * qtest_memread:
 376  * @s: #QTestState instance to operate on.
 377  * @addr: Guest address to read from.
 378  * @data: Pointer to where memory contents will be stored.
 379  * @size: Number of bytes to read.
 380  *
 381  * Read guest memory into a buffer.
 382  */
 383 void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
 384
 385 /**
 386  * qtest_rtas_call:
 387  * @s: #QTestState instance to operate on.
 388  * @name: name of the command to call.
 389  * @nargs: Number of args.
 390  * @args: Guest address to read args from.
 391  * @nret: Number of return value.
 392  * @ret: Guest address to write return values to.
 393  *
 394  * Call an RTAS function
 395  */
 396 uint64_t qtest_rtas_call(QTestState *s, const char *name,
 397                          uint32_t nargs, uint64_t args,
 398                          uint32_t nret, uint64_t ret);
 399
 400 /**
 401  * qtest_bufread:
 402  * @s: #QTestState instance to operate on.
 403  * @addr: Guest address to read from.
 404  * @data: Pointer to where memory contents will be stored.
 405  * @size: Number of bytes to read.
 406  *
 407  * Read guest memory into a buffer and receive using a base64 encoding.
 408  */
 409 void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size);
 410
 411 /**
 412  * qtest_memwrite:
 413  * @s: #QTestState instance to operate on.
 414  * @addr: Guest address to write to.
 415  * @data: Pointer to the bytes that will be written to guest memory.
 416  * @size: Number of bytes to write.
 417  *
 418  * Write a buffer to guest memory.
 419  */
 420 void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);
 421
 422 /**
 423  * qtest_bufwrite:
 424  * @s: #QTestState instance to operate on.
 425  * @addr: Guest address to write to.
 426  * @data: Pointer to the bytes that will be written to guest memory.
 427  * @size: Number of bytes to write.
 428  *
 429  * Write a buffer to guest memory and transmit using a base64 encoding.
 430  */
 431 void qtest_bufwrite(QTestState *s, uint64_t addr,
 432                     const void *data, size_t size);
 433
 434 /**
 435  * qtest_memset:
 436  * @s: #QTestState instance to operate on.
 437  * @addr: Guest address to write to.
 438  * @patt: Byte pattern to fill the guest memory region with.
 439  * @size: Number of bytes to write.
 440  *
 441  * Write a pattern to guest memory.
 442  */
 443 void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size);
 444
 445 /**
 446  * qtest_clock_step_next:
 447  * @s: #QTestState instance to operate on.
 448  *
 449  * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 450  *
 451  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 452  */
 453 int64_t qtest_clock_step_next(QTestState *s);
 454
 455 /**
 456  * qtest_clock_step:
 457  * @s: QTestState instance to operate on.
 458  * @step: Number of nanoseconds to advance the clock by.
 459  *
 460  * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 461  *
 462  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 463  */
 464 int64_t qtest_clock_step(QTestState *s, int64_t step);
 465
 466 /**
 467  * qtest_clock_set:
 468  * @s: QTestState instance to operate on.
 469  * @val: Nanoseconds value to advance the clock to.
 470  *
 471  * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
 472  *
 473  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 474  */
 475 int64_t qtest_clock_set(QTestState *s, int64_t val);
 476
 477 /**
 478  * qtest_big_endian:
 479  * @s: QTestState instance to operate on.
 480  *
 481  * Returns: True if the architecture under test has a big endian configuration.
 482  */
 483 bool qtest_big_endian(QTestState *s);
 484
 485 /**
 486  * qtest_get_arch:
 487  *
 488  * Returns: The architecture for the QEMU executable under test.
 489  */
 490 const char *qtest_get_arch(void);
 491
 492 /**
 493  * qtest_add_func:
 494  * @str: Test case path.
 495  * @fn: Test case function
 496  *
 497  * Add a GTester testcase with the given name and function.
 498  * The path is prefixed with the architecture under test, as
 499  * returned by qtest_get_arch().
 500  */
 501 void qtest_add_func(const char *str, void (*fn)(void));
 502
 503 /**
 504  * qtest_add_data_func:
 505  * @str: Test case path.
 506  * @data: Test case data
 507  * @fn: Test case function
 508  *
 509  * Add a GTester testcase with the given name, data and function.
 510  * The path is prefixed with the architecture under test, as
 511  * returned by qtest_get_arch().
 512  */
 513 void qtest_add_data_func(const char *str, const void *data,
 514                          void (*fn)(const void *));
 515
 516 /**
 517  * qtest_add_data_func_full:
 518  * @str: Test case path.
 519  * @data: Test case data
 520  * @fn: Test case function
 521  * @data_free_func: GDestroyNotify for data
 522  *
 523  * Add a GTester testcase with the given name, data and function.
 524  * The path is prefixed with the architecture under test, as
 525  * returned by qtest_get_arch().
 526  *
 527  * @data is passed to @data_free_func() on test completion.
 528  */
 529 void qtest_add_data_func_full(const char *str, void *data,
 530                               void (*fn)(const void *),
 531                               GDestroyNotify data_free_func);
 532
 533 /**
 534  * qtest_add:
 535  * @testpath: Test case path
 536  * @Fixture: Fixture type
 537  * @tdata: Test case data
 538  * @fsetup: Test case setup function
 539  * @ftest: Test case function
 540  * @fteardown: Test case teardown function
 541  *
 542  * Add a GTester testcase with the given name, data and functions.
 543  * The path is prefixed with the architecture under test, as
 544  * returned by qtest_get_arch().
 545  */
 546 #define qtest_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
 547     do { \
 548         char *path = g_strdup_printf("/%s/%s", qtest_get_arch(), testpath); \
 549         g_test_add(path, Fixture, tdata, fsetup, ftest, fteardown); \
 550         g_free(path); \
 551     } while (0)
 552
 553 void qtest_add_abrt_handler(GHookFunc fn, const void *data);
 554
 555 /**
 556  * qtest_start:
 557  * @args: other arguments to pass to QEMU
 558  *
 559  * Start QEMU and assign the resulting #QTestState to a global variable.
 560  * The global variable is used by "shortcut" functions documented below.
 561  *
 562  * Returns: #QTestState instance.
 563  */
 564 static inline QTestState *qtest_start(const char *args)
 565 {
 566     global_qtest = qtest_init(args);
 567     return global_qtest;
 568 }
 569
 570 /**
 571  * qtest_end:
 572  *
 573  * Shut down the QEMU process started by qtest_start().
 574  */
 575 static inline void qtest_end(void)
 576 {
 577     qtest_quit(global_qtest);
 578     global_qtest = NULL;
 579 }
 580
 581 /**
 582  * qmp:
 583  * @fmt...: QMP message to send to qemu, formatted like
 584  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 585  * supported after '%'.
 586  *
 587  * Sends a QMP message to QEMU and returns the response.
 588  */
 589 QDict *qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 590
 591 /**
 592  * qmp_send:
 593  * @fmt...: QMP message to send to qemu, formatted like
 594  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 595  * supported after '%'.
 596  *
 597  * Sends a QMP message to QEMU and leaves the response in the stream.
 598  */
 599 void qmp_send(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 600
 601 /**
 602  * qmp_receive:
 603  *
 604  * Reads a QMP message from QEMU and returns the response.
 605  */
 606 static inline QDict *qmp_receive(void)
 607 {
 608     return qtest_qmp_receive(global_qtest);
 609 }
 610
 611 /**
 612  * qmp_eventwait:
 613  * @s: #event event to wait for.
 614  *
 615  * Continuously polls for QMP responses until it receives the desired event.
 616  */
 617 static inline void qmp_eventwait(const char *event)
 618 {
 619     return qtest_qmp_eventwait(global_qtest, event);
 620 }
 621
 622 /**
 623  * qmp_eventwait_ref:
 624  * @s: #event event to wait for.
 625  *
 626  * Continuously polls for QMP responses until it receives the desired event.
 627  * Returns a copy of the event for further investigation.
 628  */
 629 static inline QDict *qmp_eventwait_ref(const char *event)
 630 {
 631     return qtest_qmp_eventwait_ref(global_qtest, event);
 632 }
 633
 634 /**
 635  * hmp:
 636  * @fmt...: HMP command to send to QEMU, formats arguments like sprintf().
 637  *
 638  * Send HMP command to QEMU via QMP's human-monitor-command.
 639  *
 640  * Returns: the command's output.  The caller should g_free() it.
 641  */
 642 char *hmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 643
 644 /**
 645  * get_irq:
 646  * @num: Interrupt to observe.
 647  *
 648  * Returns: The level of the @num interrupt.
 649  */
 650 static inline bool get_irq(int num)
 651 {
 652     return qtest_get_irq(global_qtest, num);
 653 }
 654
 655 /**
 656  * irq_intercept_in:
 657  * @string: QOM path of a device.
 658  *
 659  * Associate qtest irqs with the GPIO-in pins of the device
 660  * whose path is specified by @string.
 661  */
 662 static inline void irq_intercept_in(const char *string)
 663 {
 664     qtest_irq_intercept_in(global_qtest, string);
 665 }
 666
 667 /**
 668  * qtest_irq_intercept_out:
 669  * @string: QOM path of a device.
 670  *
 671  * Associate qtest irqs with the GPIO-out pins of the device
 672  * whose path is specified by @string.
 673  */
 674 static inline void irq_intercept_out(const char *string)
 675 {
 676     qtest_irq_intercept_out(global_qtest, string);
 677 }
 678
 679 /**
 680  * outb:
 681  * @addr: I/O port to write to.
 682  * @value: Value being written.
 683  *
 684  * Write an 8-bit value to an I/O port.
 685  */
 686 static inline void outb(uint16_t addr, uint8_t value)
 687 {
 688     qtest_outb(global_qtest, addr, value);
 689 }
 690
 691 /**
 692  * outw:
 693  * @addr: I/O port to write to.
 694  * @value: Value being written.
 695  *
 696  * Write a 16-bit value to an I/O port.
 697  */
 698 static inline void outw(uint16_t addr, uint16_t value)
 699 {
 700     qtest_outw(global_qtest, addr, value);
 701 }
 702
 703 /**
 704  * outl:
 705  * @addr: I/O port to write to.
 706  * @value: Value being written.
 707  *
 708  * Write a 32-bit value to an I/O port.
 709  */
 710 static inline void outl(uint16_t addr, uint32_t value)
 711 {
 712     qtest_outl(global_qtest, addr, value);
 713 }
 714
 715 /**
 716  * inb:
 717  * @addr: I/O port to read from.
 718  *
 719  * Reads an 8-bit value from an I/O port.
 720  *
 721  * Returns: Value read.
 722  */
 723 static inline uint8_t inb(uint16_t addr)
 724 {
 725     return qtest_inb(global_qtest, addr);
 726 }
 727
 728 /**
 729  * inw:
 730  * @addr: I/O port to read from.
 731  *
 732  * Reads a 16-bit value from an I/O port.
 733  *
 734  * Returns: Value read.
 735  */
 736 static inline uint16_t inw(uint16_t addr)
 737 {
 738     return qtest_inw(global_qtest, addr);
 739 }
 740
 741 /**
 742  * inl:
 743  * @addr: I/O port to read from.
 744  *
 745  * Reads a 32-bit value from an I/O port.
 746  *
 747  * Returns: Value read.
 748  */
 749 static inline uint32_t inl(uint16_t addr)
 750 {
 751     return qtest_inl(global_qtest, addr);
 752 }
 753
 754 /**
 755  * writeb:
 756  * @addr: Guest address to write to.
 757  * @value: Value being written.
 758  *
 759  * Writes an 8-bit value to guest memory.
 760  */
 761 static inline void writeb(uint64_t addr, uint8_t value)
 762 {
 763     qtest_writeb(global_qtest, addr, value);
 764 }
 765
 766 /**
 767  * writew:
 768  * @addr: Guest address to write to.
 769  * @value: Value being written.
 770  *
 771  * Writes a 16-bit value to guest memory.
 772  */
 773 static inline void writew(uint64_t addr, uint16_t value)
 774 {
 775     qtest_writew(global_qtest, addr, value);
 776 }
 777
 778 /**
 779  * writel:
 780  * @addr: Guest address to write to.
 781  * @value: Value being written.
 782  *
 783  * Writes a 32-bit value to guest memory.
 784  */
 785 static inline void writel(uint64_t addr, uint32_t value)
 786 {
 787     qtest_writel(global_qtest, addr, value);
 788 }
 789
 790 /**
 791  * writeq:
 792  * @addr: Guest address to write to.
 793  * @value: Value being written.
 794  *
 795  * Writes a 64-bit value to guest memory.
 796  */
 797 static inline void writeq(uint64_t addr, uint64_t value)
 798 {
 799     qtest_writeq(global_qtest, addr, value);
 800 }
 801
 802 /**
 803  * readb:
 804  * @addr: Guest address to read from.
 805  *
 806  * Reads an 8-bit value from guest memory.
 807  *
 808  * Returns: Value read.
 809  */
 810 static inline uint8_t readb(uint64_t addr)
 811 {
 812     return qtest_readb(global_qtest, addr);
 813 }
 814
 815 /**
 816  * readw:
 817  * @addr: Guest address to read from.
 818  *
 819  * Reads a 16-bit value from guest memory.
 820  *
 821  * Returns: Value read.
 822  */
 823 static inline uint16_t readw(uint64_t addr)
 824 {
 825     return qtest_readw(global_qtest, addr);
 826 }
 827
 828 /**
 829  * readl:
 830  * @addr: Guest address to read from.
 831  *
 832  * Reads a 32-bit value from guest memory.
 833  *
 834  * Returns: Value read.
 835  */
 836 static inline uint32_t readl(uint64_t addr)
 837 {
 838     return qtest_readl(global_qtest, addr);
 839 }
 840
 841 /**
 842  * readq:
 843  * @addr: Guest address to read from.
 844  *
 845  * Reads a 64-bit value from guest memory.
 846  *
 847  * Returns: Value read.
 848  */
 849 static inline uint64_t readq(uint64_t addr)
 850 {
 851     return qtest_readq(global_qtest, addr);
 852 }
 853
 854 /**
 855  * memread:
 856  * @addr: Guest address to read from.
 857  * @data: Pointer to where memory contents will be stored.
 858  * @size: Number of bytes to read.
 859  *
 860  * Read guest memory into a buffer.
 861  */
 862 static inline void memread(uint64_t addr, void *data, size_t size)
 863 {
 864     qtest_memread(global_qtest, addr, data, size);
 865 }
 866
 867 /**
 868  * bufread:
 869  * @addr: Guest address to read from.
 870  * @data: Pointer to where memory contents will be stored.
 871  * @size: Number of bytes to read.
 872  *
 873  * Read guest memory into a buffer, receive using a base64 encoding.
 874  */
 875 static inline void bufread(uint64_t addr, void *data, size_t size)
 876 {
 877     qtest_bufread(global_qtest, addr, data, size);
 878 }
 879
 880 /**
 881  * memwrite:
 882  * @addr: Guest address to write to.
 883  * @data: Pointer to the bytes that will be written to guest memory.
 884  * @size: Number of bytes to write.
 885  *
 886  * Write a buffer to guest memory.
 887  */
 888 static inline void memwrite(uint64_t addr, const void *data, size_t size)
 889 {
 890     qtest_memwrite(global_qtest, addr, data, size);
 891 }
 892
 893 /**
 894  * bufwrite:
 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, transmit using a base64 encoding.
 900  */
 901 static inline void bufwrite(uint64_t addr, const void *data, size_t size)
 902 {
 903     qtest_bufwrite(global_qtest, addr, data, size);
 904 }
 905
 906 /**
 907  * qmemset:
 908  * @addr: Guest address to write to.
 909  * @patt: Byte pattern to fill the guest memory region with.
 910  * @size: Number of bytes to write.
 911  *
 912  * Write a pattern to guest memory.
 913  */
 914 static inline void qmemset(uint64_t addr, uint8_t patt, size_t size)
 915 {
 916     qtest_memset(global_qtest, addr, patt, size);
 917 }
 918
 919 /**
 920  * clock_step_next:
 921  *
 922  * Advance the QEMU_CLOCK_VIRTUAL to the next deadline.
 923  *
 924  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 925  */
 926 static inline int64_t clock_step_next(void)
 927 {
 928     return qtest_clock_step_next(global_qtest);
 929 }
 930
 931 /**
 932  * clock_step:
 933  * @step: Number of nanoseconds to advance the clock by.
 934  *
 935  * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds.
 936  *
 937  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 938  */
 939 static inline int64_t clock_step(int64_t step)
 940 {
 941     return qtest_clock_step(global_qtest, step);
 942 }
 943
 944 /**
 945  * clock_set:
 946  * @val: Nanoseconds value to advance the clock to.
 947  *
 948  * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched.
 949  *
 950  * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds.
 951  */
 952 static inline int64_t clock_set(int64_t val)
 953 {
 954     return qtest_clock_set(global_qtest, val);
 955 }
 956
 957 QDict *qmp_fd_receive(int fd);
 958 void qmp_fd_vsend(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 959 void qmp_fd_send(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 960 void qmp_fd_send_raw(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 961 void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 962 QDict *qmp_fdv(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
 963 QDict *qmp_fd(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 964
 965 /**
 966  * qtest_cb_for_every_machine:
 967  * @cb: Pointer to the callback function
 968  * @skip_old_versioned: true if versioned old machine types should be skipped
 969  *
 970  *  Call a callback function for every name of all available machines.
 971  */
 972 void qtest_cb_for_every_machine(void (*cb)(const char *machine),
 973                                 bool skip_old_versioned);
 974
 975 /**
 976  * qtest_qmp_device_add:
 977  * @driver: Name of the device that should be added
 978  * @id: Identification string
 979  * @fmt...: QMP message to send to qemu, formatted like
 980  * qobject_from_jsonf_nofail().  See parse_escape() for what's
 981  * supported after '%'.
 982  *
 983  * Generic hot-plugging test via the device_add QMP command.
 984  */
 985 void qtest_qmp_device_add(const char *driver, const char *id, const char *fmt,
 986                           ...) GCC_FMT_ATTR(3, 4);
 987
 988 /**
 989  * qtest_qmp_device_del:
 990  * @id: Identification string
 991  *
 992  * Generic hot-unplugging test via the device_del QMP command.
 993  */
 994 void qtest_qmp_device_del(const char *id);
 995
 996 /**
 997  * qmp_rsp_is_err:
 998  * @rsp: QMP response to check for error
 999  *
1000  * Test @rsp for error and discard @rsp.
1001  * Returns 'true' if there is error in @rsp and 'false' otherwise.
1002  */
1003 bool qmp_rsp_is_err(QDict *rsp);
1004
1005 /**
1006  * qmp_assert_error_class:
1007  * @rsp: QMP response to check for error
1008  * @class: an error class
1009  *
1010  * Assert the response has the given error class and discard @rsp.
1011  */
1012 void qmp_assert_error_class(QDict *rsp, const char *class);
1013
1014 /**
1015  * qtest_probe_child:
1016  * @s: QTestState instance to operate on.
1017  *
1018  * Returns: true if the child is still alive.
1019  */
1020 bool qtest_probe_child(QTestState *s);
1021
1022 #endif