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