tests/qtest/fuzz-lsi53c895a-test.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * QTest fuzzer-generated testcase for LSI53C895A device
   4  *
   5  * Copyright (c) Red Hat
   6  */
   7
   8 #include "qemu/osdep.h"
   9 #include "libqos/libqtest.h"
  10
  11 /*
  12  * This used to trigger the assert in lsi_do_dma()
  13  * https://bugs.launchpad.net/qemu/+bug/697510
  14  * https://bugs.launchpad.net/qemu/+bug/1905521
  15  * https://bugs.launchpad.net/qemu/+bug/1908515
  16  */
  17 static void test_lsi_do_dma_empty_queue(void)
  18 {
  19     QTestState *s;
  20
  21     s = qtest_init("-M q35 -nographic -monitor none -serial none "
  22                    "-drive if=none,id=drive0,"
  23                             "file=null-co://,file.read-zeroes=on,format=raw "
  24                    "-device lsi53c895a,id=scsi0 "
  25                    "-device scsi-hd,drive=drive0,"
  26                             "bus=scsi0.0,channel=0,scsi-id=0,lun=0");
  27     qtest_outl(s, 0xcf8, 0x80001814);
  28     qtest_outl(s, 0xcfc, 0xe1068000);
  29     qtest_outl(s, 0xcf8, 0x80001818);
  30     qtest_outl(s, 0xcf8, 0x80001804);
  31     qtest_outw(s, 0xcfc, 0x7);
  32     qtest_outl(s, 0xcf8, 0x80002010);
  33
  34     qtest_writeb(s, 0xe106802e, 0xff); /* Fill DSP bits 16-23 */
  35     qtest_writeb(s, 0xe106802f, 0xff); /* Fill DSP bits 24-31: trigger SCRIPT */
  36
  37     qtest_quit(s);
  38 }
  39
  40 int main(int argc, char **argv)
  41 {
  42     const char *arch = qtest_get_arch();
  43
  44     g_test_init(&argc, &argv, NULL);
  45
  46     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
  47         qtest_add_func("fuzz/lsi53c895a/lsi_do_dma_empty_queue",
  48                        test_lsi_do_dma_empty_queue);
  49     }
  50
  51     return g_test_run();
  52 }