forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
|
|
* 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 "qemu/module.h"
|
|
#include "libqos/qgraph.h"
|
|
#include "libqos/pci.h"
|
|
|
|
typedef struct QMegasas QMegasas;
|
|
|
|
struct QMegasas {
|
|
QOSGraphObject obj;
|
|
QPCIDevice dev;
|
|
};
|
|
|
|
static void *megasas_get_driver(void *obj, const char *interface)
|
|
{
|
|
QMegasas *megasas = obj;
|
|
|
|
if (!g_strcmp0(interface, "pci-device")) {
|
|
return &megasas->dev;
|
|
}
|
|
|
|
fprintf(stderr, "%s not present in megasas\n", interface);
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
static void *megasas_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
|
|
{
|
|
QMegasas *megasas = g_new0(QMegasas, 1);
|
|
QPCIBus *bus = pci_bus;
|
|
|
|
qpci_device_init(&megasas->dev, bus, addr);
|
|
megasas->obj.get_driver = megasas_get_driver;
|
|
|
|
return &megasas->obj;
|
|
}
|
|
|
|
/* This used to cause a NULL pointer dereference. */
|
|
static void megasas_pd_get_info_fuzz(void *obj, void *data, QGuestAllocator *alloc)
|
|
{
|
|
QMegasas *megasas = obj;
|
|
QPCIDevice *dev = &megasas->dev;
|
|
QPCIBar bar;
|
|
uint32_t context[256];
|
|
uint64_t context_pa;
|
|
int i;
|
|
|
|
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 = guest_alloc(alloc, sizeof(context));
|
|
qtest_memwrite(dev->bus->qts, context_pa, context, sizeof(context));
|
|
qpci_io_writel(dev, bar, 0x40, context_pa);
|
|
}
|
|
|
|
static void megasas_register_nodes(void)
|
|
{
|
|
QOSGraphEdgeOptions opts = {
|
|
.extra_device_opts = "addr=04.0,id=scsi0",
|
|
.before_cmd_line = "-drive id=drv0,if=none,file=null-co://,"
|
|
"file.read-zeroes=on,format=raw",
|
|
.after_cmd_line = "-device scsi-hd,bus=scsi0.0,drive=drv0",
|
|
};
|
|
|
|
add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
|
|
|
|
qos_node_create_driver("megasas", megasas_create);
|
|
qos_node_consumes("megasas", "pci-bus", &opts);
|
|
qos_node_produces("megasas", "pci-device");
|
|
|
|
qos_add_test("dcmd/pd-get-info/fuzz", "megasas", megasas_pd_get_info_fuzz, NULL);
|
|
}
|
|
libqos_init(megasas_register_nodes);
|