1/* 2 * QTest 3 * 4 * Copyright IBM, Corp. 2012 5 * Copyright Red Hat, Inc. 2012 6 * Copyright SUSE LINUX Products GmbH 2013 7 * 8 * Authors: 9 * Anthony Liguori <aliguori@us.ibm.com> 10 * Paolo Bonzini <pbonzini@redhat.com> 11 * Andreas Färber <afaerber@suse.de> 12 * 13 * This work is licensed under the terms of the GNU GPL, version 2 or later. 14 * See the COPYING file in the top-level directory. 15 * 16 */ 17#ifndef LIBQTEST_H 18#define LIBQTEST_H 19 20#include "qapi/qmp/qdict.h" 21 22typedef struct QTestState QTestState; 23 24extern QTestState *global_qtest; 25 26/** 27 * qtest_init: 28 * @extra_args: other arguments to pass to QEMU. 29 * 30 * Returns: #QTestState instance. 31 */ 32QTestState *qtest_init(const char *extra_args); 33 34/** 35 * qtest_quit: 36 * @s: #QTestState instance to operate on. 37 * 38 * Shut down the QEMU process associated to @s. 39 */ 40void qtest_quit(QTestState *s); 41 42/** 43 * qtest_qmp_discard_response: 44 * @s: #QTestState instance to operate on. 45 * @fmt...: QMP message to send to qemu 46 * 47 * Sends a QMP message to QEMU and consumes the response. 48 */ 49void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...); 50 51/** 52 * qtest_qmp: 53 * @s: #QTestState instance to operate on. 54 * @fmt...: QMP message to send to qemu 55 * 56 * Sends a QMP message to QEMU and returns the response. 57 */ 58QDict *qtest_qmp(QTestState *s, const char *fmt, ...); 59 60/** 61 * qtest_async_qmp: 62 * @s: #QTestState instance to operate on. 63 * @fmt...: QMP message to send to qemu 64 * 65 * Sends a QMP message to QEMU and leaves the response in the stream. 66 */ 67void qtest_async_qmp(QTestState *s, const char *fmt, ...); 68 69/** 70 * qtest_qmpv_discard_response: 71 * @s: #QTestState instance to operate on. 72 * @fmt: QMP message to send to QEMU 73 * @ap: QMP message arguments 74 * 75 * Sends a QMP message to QEMU and consumes the response. 76 */ 77void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap); 78 79/** 80 * qtest_qmpv: 81 * @s: #QTestState instance to operate on. 82 * @fmt: QMP message to send to QEMU 83 * @ap: QMP message arguments 84 * 85 * Sends a QMP message to QEMU and returns the response. 86 */ 87QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap); 88 89/** 90 * qtest_async_qmpv: 91 * @s: #QTestState instance to operate on. 92 * @fmt: QMP message to send to QEMU 93 * @ap: QMP message arguments 94 * 95 * Sends a QMP message to QEMU and leaves the response in the stream. 96 */ 97void qtest_async_qmpv(QTestState *s, const char *fmt, va_list ap); 98 99/** 100 * qtest_receive: 101 * @s: #QTestState instance to operate on. 102 * 103 * Reads a QMP message from QEMU and returns the response. 104 */ 105QDict *qtest_qmp_receive(QTestState *s); 106 107/** 108 * qtest_qmp_eventwait: 109 * @s: #QTestState instance to operate on. 110 * @s: #event event to wait for. 111 * 112 * Continuosly polls for QMP responses until it receives the desired event. 113 */ 114void qtest_qmp_eventwait(QTestState *s, const char *event); 115 116/** 117 * qtest_hmpv: 118 * @s: #QTestState instance to operate on. 119 * @fmt...: HMP command to send to QEMU 120 * 121 * Send HMP command to QEMU via QMP's human-monitor-command. 122 * 123 * Returns: the command's output. The caller should g_free() it. 124 */ 125char *qtest_hmp(QTestState *s, const char *fmt, ...); 126 127/** 128 * qtest_hmpv: 129 * @s: #QTestState instance to operate on. 130 * @fmt: HMP command to send to QEMU 131 * @ap: HMP command arguments 132 * 133 * Send HMP command to QEMU via QMP's human-monitor-command. 134 * 135 * Returns: the command's output. The caller should g_free() it. 136 */ 137char *qtest_hmpv(QTestState *s, const char *fmt, va_list ap); 138 139/** 140 * qtest_get_irq: 141 * @s: #QTestState instance to operate on. 142 * @num: Interrupt to observe. 143 * 144 * Returns: The level of the @num interrupt. 145 */ 146bool qtest_get_irq(QTestState *s, int num); 147 148/** 149 * qtest_irq_intercept_in: 150 * @s: #QTestState instance to operate on. 151 * @string: QOM path of a device. 152 * 153 * Associate qtest irqs with the GPIO-in pins of the device 154 * whose path is specified by @string. 155 */ 156void qtest_irq_intercept_in(QTestState *s, const char *string); 157 158/** 159 * qtest_irq_intercept_out: 160 * @s: #QTestState instance to operate on. 161 * @string: QOM path of a device. 162 * 163 * Associate qtest irqs with the GPIO-out pins of the device 164 * whose path is specified by @string. 165 */ 166void qtest_irq_intercept_out(QTestState *s, const char *string); 167 168/** 169 * qtest_outb: 170 * @s: #QTestState instance to operate on. 171 * @addr: I/O port to write to. 172 * @value: Value being written. 173 * 174 * Write an 8-bit value to an I/O port. 175 */ 176void qtest_outb(QTestState *s, uint16_t addr, uint8_t value); 177 178/** 179 * qtest_outw: 180 * @s: #QTestState instance to operate on. 181 * @addr: I/O port to write to. 182 * @value: Value being written. 183 * 184 * Write a 16-bit value to an I/O port. 185 */ 186void qtest_outw(QTestState *s, uint16_t addr, uint16_t value); 187 188/** 189 * qtest_outl: 190 * @s: #QTestState instance to operate on. 191 * @addr: I/O port to write to. 192 * @value: Value being written. 193 * 194 * Write a 32-bit value to an I/O port. 195 */ 196void qtest_outl(QTestState *s, uint16_t addr, uint32_t value); 197 198/** 199 * qtest_inb: 200 * @s: #QTestState instance to operate on. 201 * @addr: I/O port to read from. 202 * 203 * Returns an 8-bit value from an I/O port. 204 */ 205uint8_t qtest_inb(QTestState *s, uint16_t addr); 206 207/** 208 * qtest_inw: 209 * @s: #QTestState instance to operate on. 210 * @addr: I/O port to read from. 211 * 212 * Returns a 16-bit value from an I/O port. 213 */ 214uint16_t qtest_inw(QTestState *s, uint16_t addr); 215 216/** 217 * qtest_inl: 218 * @s: #QTestState instance to operate on. 219 * @addr: I/O port to read from. 220 * 221 * Returns a 32-bit value from an I/O port. 222 */ 223uint32_t qtest_inl(QTestState *s, uint16_t addr); 224 225/** 226 * qtest_writeb: 227 * @s: #QTestState instance to operate on. 228 * @addr: Guest address to write to. 229 * @value: Value being written. 230 * 231 * Writes an 8-bit value to memory. 232 */ 233void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value); 234 235/** 236 * qtest_writew: 237 * @s: #QTestState instance to operate on. 238 * @addr: Guest address to write to. 239 * @value: Value being written. 240 * 241 * Writes a 16-bit value to memory. 242 */ 243void qtest_writew(QTestState *s, uint64_t addr, uint16_t value); 244 245/** 246 * qtest_writel: 247 * @s: #QTestState instance to operate on. 248 * @addr: Guest address to write to. 249 * @value: Value being written. 250 * 251 * Writes a 32-bit value to memory. 252 */ 253void qtest_writel(QTestState *s, uint64_t addr, uint32_t value); 254 255/** 256 * qtest_writeq: 257 * @s: #QTestState instance to operate on. 258 * @addr: Guest address to write to. 259 * @value: Value being written. 260 * 261 * Writes a 64-bit value to memory. 262 */ 263void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value); 264 265/** 266 * qtest_readb: 267 * @s: #QTestState instance to operate on. 268 * @addr: Guest address to read from. 269 * 270 * Reads an 8-bit value from memory. 271 * 272 * Returns: Value read. 273 */ 274uint8_t qtest_readb(QTestState *s, uint64_t addr); 275 276/** 277 * qtest_readw: 278 * @s: #QTestState instance to operate on. 279 * @addr: Guest address to read from. 280 * 281 * Reads a 16-bit value from memory. 282 * 283 * Returns: Value read. 284 */ 285uint16_t qtest_readw(QTestState *s, uint64_t addr); 286 287/** 288 * qtest_readl: 289 * @s: #QTestState instance to operate on. 290 * @addr: Guest address to read from. 291 * 292 * Reads a 32-bit value from memory. 293 * 294 * Returns: Value read. 295 */ 296uint32_t qtest_readl(QTestState *s, uint64_t addr); 297 298/** 299 * qtest_readq: 300 * @s: #QTestState instance to operate on. 301 * @addr: Guest address to read from. 302 * 303 * Reads a 64-bit value from memory. 304 * 305 * Returns: Value read. 306 */ 307uint64_t qtest_readq(QTestState *s, uint64_t addr); 308 309/** 310 * qtest_memread: 311 * @s: #QTestState instance to operate on. 312 * @addr: Guest address to read from. 313 * @data: Pointer to where memory contents will be stored. 314 * @size: Number of bytes to read. 315 * 316 * Read guest memory into a buffer. 317 */ 318void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size); 319 320/** 321 * qtest_bufread: 322 * @s: #QTestState instance to operate on. 323 * @addr: Guest address to read from. 324 * @data: Pointer to where memory contents will be stored. 325 * @size: Number of bytes to read. 326 * 327 * Read guest memory into a buffer and receive using a base64 encoding. 328 */ 329void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size); 330 331/** 332 * qtest_memwrite: 333 * @s: #QTestState instance to operate on. 334 * @addr: Guest address to write to. 335 * @data: Pointer to the bytes that will be written to guest memory. 336 * @size: Number of bytes to write. 337 * 338 * Write a buffer to guest memory. 339 */ 340void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size); 341 342/** 343 * qtest_bufwrite: 344 * @s: #QTestState instance to operate on. 345 * @addr: Guest address to write to. 346 * @data: Pointer to the bytes that will be written to guest memory. 347 * @size: Number of bytes to write. 348 * 349 * Write a buffer to guest memory and transmit using a base64 encoding. 350 */ 351void qtest_bufwrite(QTestState *s, uint64_t addr, 352 const void *data, size_t size); 353 354/** 355 * qtest_memset: 356 * @s: #QTestState instance to operate on. 357 * @addr: Guest address to write to. 358 * @patt: Byte pattern to fill the guest memory region with. 359 * @size: Number of bytes to write. 360 * 361 * Write a pattern to guest memory. 362 */ 363void qtest_memset(QTestState *s, uint64_t addr, uint8_t patt, size_t size); 364 365/** 366 * qtest_clock_step_next: 367 * @s: #QTestState instance to operate on. 368 * 369 * Advance the QEMU_CLOCK_VIRTUAL to the next deadline. 370 * 371 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 372 */ 373int64_t qtest_clock_step_next(QTestState *s); 374 375/** 376 * qtest_clock_step: 377 * @s: QTestState instance to operate on. 378 * @step: Number of nanoseconds to advance the clock by. 379 * 380 * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds. 381 * 382 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 383 */ 384int64_t qtest_clock_step(QTestState *s, int64_t step); 385 386/** 387 * qtest_clock_set: 388 * @s: QTestState instance to operate on. 389 * @val: Nanoseconds value to advance the clock to. 390 * 391 * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched. 392 * 393 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 394 */ 395int64_t qtest_clock_set(QTestState *s, int64_t val); 396 397/** 398 * qtest_get_arch: 399 * 400 * Returns: The architecture for the QEMU executable under test. 401 */ 402const char *qtest_get_arch(void); 403 404/** 405 * qtest_add_func: 406 * @str: Test case path. 407 * @fn: Test case function 408 * 409 * Add a GTester testcase with the given name and function. 410 * The path is prefixed with the architecture under test, as 411 * returned by qtest_get_arch(). 412 */ 413void qtest_add_func(const char *str, void (*fn)(void)); 414 415/** 416 * qtest_add_data_func: 417 * @str: Test case path. 418 * @data: Test case data 419 * @fn: Test case function 420 * 421 * Add a GTester testcase with the given name, data and function. 422 * The path is prefixed with the architecture under test, as 423 * returned by qtest_get_arch(). 424 */ 425void qtest_add_data_func(const char *str, const void *data, 426 void (*fn)(const void *)); 427 428/** 429 * qtest_add: 430 * @testpath: Test case path 431 * @Fixture: Fixture type 432 * @tdata: Test case data 433 * @fsetup: Test case setup function 434 * @ftest: Test case function 435 * @fteardown: Test case teardown function 436 * 437 * Add a GTester testcase with the given name, data and functions. 438 * The path is prefixed with the architecture under test, as 439 * returned by qtest_get_arch(). 440 */ 441#define qtest_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \ 442 do { \ 443 char *path = g_strdup_printf("/%s/%s", qtest_get_arch(), testpath); \ 444 g_test_add(path, Fixture, tdata, fsetup, ftest, fteardown); \ 445 g_free(path); \ 446 } while (0) 447 448void qtest_add_abrt_handler(GHookFunc fn, const void *data); 449 450/** 451 * qtest_start: 452 * @args: other arguments to pass to QEMU 453 * 454 * Start QEMU and assign the resulting #QTestState to a global variable. 455 * The global variable is used by "shortcut" functions documented below. 456 * 457 * Returns: #QTestState instance. 458 */ 459static inline QTestState *qtest_start(const char *args) 460{ 461 global_qtest = qtest_init(args); 462 return global_qtest; 463} 464 465/** 466 * qtest_end: 467 * 468 * Shut down the QEMU process started by qtest_start(). 469 */ 470static inline void qtest_end(void) 471{ 472 qtest_quit(global_qtest); 473 global_qtest = NULL; 474} 475 476/** 477 * qmp: 478 * @fmt...: QMP message to send to qemu 479 * 480 * Sends a QMP message to QEMU and returns the response. 481 */ 482QDict *qmp(const char *fmt, ...); 483 484/** 485 * qmp_async: 486 * @fmt...: QMP message to send to qemu 487 * 488 * Sends a QMP message to QEMU and leaves the response in the stream. 489 */ 490void qmp_async(const char *fmt, ...); 491 492/** 493 * qmp_discard_response: 494 * @fmt...: QMP message to send to qemu 495 * 496 * Sends a QMP message to QEMU and consumes the response. 497 */ 498void qmp_discard_response(const char *fmt, ...); 499 500/** 501 * qmp_receive: 502 * 503 * Reads a QMP message from QEMU and returns the response. 504 */ 505static inline QDict *qmp_receive(void) 506{ 507 return qtest_qmp_receive(global_qtest); 508} 509 510/** 511 * qmp_eventwait: 512 * @s: #event event to wait for. 513 * 514 * Continuosly polls for QMP responses until it receives the desired event. 515 */ 516static inline void qmp_eventwait(const char *event) 517{ 518 return qtest_qmp_eventwait(global_qtest, event); 519} 520 521/** 522 * hmp: 523 * @fmt...: HMP command to send to QEMU 524 * 525 * Send HMP command to QEMU via QMP's human-monitor-command. 526 * 527 * Returns: the command's output. The caller should g_free() it. 528 */ 529char *hmp(const char *fmt, ...); 530 531/** 532 * get_irq: 533 * @num: Interrupt to observe. 534 * 535 * Returns: The level of the @num interrupt. 536 */ 537static inline bool get_irq(int num) 538{ 539 return qtest_get_irq(global_qtest, num); 540} 541 542/** 543 * irq_intercept_in: 544 * @string: QOM path of a device. 545 * 546 * Associate qtest irqs with the GPIO-in pins of the device 547 * whose path is specified by @string. 548 */ 549static inline void irq_intercept_in(const char *string) 550{ 551 qtest_irq_intercept_in(global_qtest, string); 552} 553 554/** 555 * qtest_irq_intercept_out: 556 * @string: QOM path of a device. 557 * 558 * Associate qtest irqs with the GPIO-out pins of the device 559 * whose path is specified by @string. 560 */ 561static inline void irq_intercept_out(const char *string) 562{ 563 qtest_irq_intercept_out(global_qtest, string); 564} 565 566/** 567 * outb: 568 * @addr: I/O port to write to. 569 * @value: Value being written. 570 * 571 * Write an 8-bit value to an I/O port. 572 */ 573static inline void outb(uint16_t addr, uint8_t value) 574{ 575 qtest_outb(global_qtest, addr, value); 576} 577 578/** 579 * outw: 580 * @addr: I/O port to write to. 581 * @value: Value being written. 582 * 583 * Write a 16-bit value to an I/O port. 584 */ 585static inline void outw(uint16_t addr, uint16_t value) 586{ 587 qtest_outw(global_qtest, addr, value); 588} 589 590/** 591 * outl: 592 * @addr: I/O port to write to. 593 * @value: Value being written. 594 * 595 * Write a 32-bit value to an I/O port. 596 */ 597static inline void outl(uint16_t addr, uint32_t value) 598{ 599 qtest_outl(global_qtest, addr, value); 600} 601 602/** 603 * inb: 604 * @addr: I/O port to read from. 605 * 606 * Reads an 8-bit value from an I/O port. 607 * 608 * Returns: Value read. 609 */ 610static inline uint8_t inb(uint16_t addr) 611{ 612 return qtest_inb(global_qtest, addr); 613} 614 615/** 616 * inw: 617 * @addr: I/O port to read from. 618 * 619 * Reads a 16-bit value from an I/O port. 620 * 621 * Returns: Value read. 622 */ 623static inline uint16_t inw(uint16_t addr) 624{ 625 return qtest_inw(global_qtest, addr); 626} 627 628/** 629 * inl: 630 * @addr: I/O port to read from. 631 * 632 * Reads a 32-bit value from an I/O port. 633 * 634 * Returns: Value read. 635 */ 636static inline uint32_t inl(uint16_t addr) 637{ 638 return qtest_inl(global_qtest, addr); 639} 640 641/** 642 * writeb: 643 * @addr: Guest address to write to. 644 * @value: Value being written. 645 * 646 * Writes an 8-bit value to guest memory. 647 */ 648static inline void writeb(uint64_t addr, uint8_t value) 649{ 650 qtest_writeb(global_qtest, addr, value); 651} 652 653/** 654 * writew: 655 * @addr: Guest address to write to. 656 * @value: Value being written. 657 * 658 * Writes a 16-bit value to guest memory. 659 */ 660static inline void writew(uint64_t addr, uint16_t value) 661{ 662 qtest_writew(global_qtest, addr, value); 663} 664 665/** 666 * writel: 667 * @addr: Guest address to write to. 668 * @value: Value being written. 669 * 670 * Writes a 32-bit value to guest memory. 671 */ 672static inline void writel(uint64_t addr, uint32_t value) 673{ 674 qtest_writel(global_qtest, addr, value); 675} 676 677/** 678 * writeq: 679 * @addr: Guest address to write to. 680 * @value: Value being written. 681 * 682 * Writes a 64-bit value to guest memory. 683 */ 684static inline void writeq(uint64_t addr, uint64_t value) 685{ 686 qtest_writeq(global_qtest, addr, value); 687} 688 689/** 690 * readb: 691 * @addr: Guest address to read from. 692 * 693 * Reads an 8-bit value from guest memory. 694 * 695 * Returns: Value read. 696 */ 697static inline uint8_t readb(uint64_t addr) 698{ 699 return qtest_readb(global_qtest, addr); 700} 701 702/** 703 * readw: 704 * @addr: Guest address to read from. 705 * 706 * Reads a 16-bit value from guest memory. 707 * 708 * Returns: Value read. 709 */ 710static inline uint16_t readw(uint64_t addr) 711{ 712 return qtest_readw(global_qtest, addr); 713} 714 715/** 716 * readl: 717 * @addr: Guest address to read from. 718 * 719 * Reads a 32-bit value from guest memory. 720 * 721 * Returns: Value read. 722 */ 723static inline uint32_t readl(uint64_t addr) 724{ 725 return qtest_readl(global_qtest, addr); 726} 727 728/** 729 * readq: 730 * @addr: Guest address to read from. 731 * 732 * Reads a 64-bit value from guest memory. 733 * 734 * Returns: Value read. 735 */ 736static inline uint64_t readq(uint64_t addr) 737{ 738 return qtest_readq(global_qtest, addr); 739} 740 741/** 742 * memread: 743 * @addr: Guest address to read from. 744 * @data: Pointer to where memory contents will be stored. 745 * @size: Number of bytes to read. 746 * 747 * Read guest memory into a buffer. 748 */ 749static inline void memread(uint64_t addr, void *data, size_t size) 750{ 751 qtest_memread(global_qtest, addr, data, size); 752} 753 754/** 755 * bufread: 756 * @addr: Guest address to read from. 757 * @data: Pointer to where memory contents will be stored. 758 * @size: Number of bytes to read. 759 * 760 * Read guest memory into a buffer, receive using a base64 encoding. 761 */ 762static inline void bufread(uint64_t addr, void *data, size_t size) 763{ 764 qtest_bufread(global_qtest, addr, data, size); 765} 766 767/** 768 * memwrite: 769 * @addr: Guest address to write to. 770 * @data: Pointer to the bytes that will be written to guest memory. 771 * @size: Number of bytes to write. 772 * 773 * Write a buffer to guest memory. 774 */ 775static inline void memwrite(uint64_t addr, const void *data, size_t size) 776{ 777 qtest_memwrite(global_qtest, addr, data, size); 778} 779 780/** 781 * bufwrite: 782 * @addr: Guest address to write to. 783 * @data: Pointer to the bytes that will be written to guest memory. 784 * @size: Number of bytes to write. 785 * 786 * Write a buffer to guest memory, transmit using a base64 encoding. 787 */ 788static inline void bufwrite(uint64_t addr, const void *data, size_t size) 789{ 790 qtest_bufwrite(global_qtest, addr, data, size); 791} 792 793/** 794 * qmemset: 795 * @addr: Guest address to write to. 796 * @patt: Byte pattern to fill the guest memory region with. 797 * @size: Number of bytes to write. 798 * 799 * Write a pattern to guest memory. 800 */ 801static inline void qmemset(uint64_t addr, uint8_t patt, size_t size) 802{ 803 qtest_memset(global_qtest, addr, patt, size); 804} 805 806/** 807 * clock_step_next: 808 * 809 * Advance the QEMU_CLOCK_VIRTUAL to the next deadline. 810 * 811 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 812 */ 813static inline int64_t clock_step_next(void) 814{ 815 return qtest_clock_step_next(global_qtest); 816} 817 818/** 819 * clock_step: 820 * @step: Number of nanoseconds to advance the clock by. 821 * 822 * Advance the QEMU_CLOCK_VIRTUAL by @step nanoseconds. 823 * 824 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 825 */ 826static inline int64_t clock_step(int64_t step) 827{ 828 return qtest_clock_step(global_qtest, step); 829} 830 831/** 832 * clock_set: 833 * @val: Nanoseconds value to advance the clock to. 834 * 835 * Advance the QEMU_CLOCK_VIRTUAL to @val nanoseconds since the VM was launched. 836 * 837 * Returns: The current value of the QEMU_CLOCK_VIRTUAL in nanoseconds. 838 */ 839static inline int64_t clock_set(int64_t val) 840{ 841 return qtest_clock_set(global_qtest, val); 842} 843 844/** 845 * qtest_big_endian: 846 * 847 * Returns: True if the architecture under test has a big endian configuration. 848 */ 849bool qtest_big_endian(void); 850 851 852QDict *qmp_fd_receive(int fd); 853void qmp_fd_sendv(int fd, const char *fmt, va_list ap); 854void qmp_fd_send(int fd, const char *fmt, ...); 855QDict *qmp_fdv(int fd, const char *fmt, va_list ap); 856QDict *qmp_fd(int fd, const char *fmt, ...); 857 858#endif 859