qemu/tests/megasas-test.c

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/*
* QTest testcase for LSI MegaRAID
*
* Copyright (c) 2017 Red Hat Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "libqtest.h"
#include "qemu/bswap.h"
#include "libqos/libqos-pc.h"
#include "libqos/libqos-spapr.h"
static QOSState *qmegasas_start(const char *extra_opts)
{
QOSState *qs;
const char *arch = qtest_get_arch();
const char *cmd = "-drive id=hd0,if=none,file=null-co://,format=raw "
"-device megasas,id=scsi0,addr=04.0 "
"-device scsi-hd,bus=scsi0.0,drive=hd0 %s";
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qs = qtest_pc_boot(cmd, extra_opts ? : "");
global_qtest = qs->qts;
return qs;
}
g_printerr("virtio-scsi tests are only available on x86 or ppc64\n");
exit(EXIT_FAILURE);
}
static void qmegasas_stop(QOSState *qs)
{
qtest_shutdown(qs);
}
/* Tests only initialization so far. TODO: Replace with functional tests */
static void pci_nop(void)
{
QOSState *qs;
qs = qmegasas_start(NULL);
qmegasas_stop(qs);
}
/* This used to cause a NULL pointer dereference. */
static void megasas_pd_get_info_fuzz(void)
{
QPCIDevice *dev;
QOSState *qs;
QPCIBar bar;
uint32_t context[256];
uint64_t context_pa;
int i;
qs = qmegasas_start(NULL);
dev = qpci_device_find(qs->pcibus, QPCI_DEVFN(4,0));
g_assert(dev != NULL);
qpci_device_enable(dev);
bar = qpci_iomap(dev, 0, NULL);
memset(context, 0, sizeof(context));
context[0] = cpu_to_le32(0x05050505);
context[1] = cpu_to_le32(0x01010101);
for (i = 2; i < ARRAY_SIZE(context); i++) {
context[i] = cpu_to_le32(0x41414141);
}
context[6] = cpu_to_le32(0x02020000);
context[7] = cpu_to_le32(0);
context_pa = qmalloc(qs, sizeof(context));
memwrite(context_pa, context, sizeof(context));
qpci_io_writel(dev, bar, 0x40, context_pa);
g_free(dev);
qmegasas_stop(qs);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("/megasas/pci/nop", pci_nop);
qtest_add_func("/megasas/dcmd/pd-get-info/fuzz", megasas_pd_get_info_fuzz);
return g_test_run();
}