66e2ec2417
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> [Fix compilation of the newly introduced test. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
|
|
* QTest testcase for Q35 northbridge
|
|
*
|
|
* Copyright (c) 2015 Red Hat, Inc.
|
|
*
|
|
* Author: Gerd Hoffmann <kraxel@redhat.com>
|
|
*
|
|
* 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 <glib.h>
|
|
#include <string.h>
|
|
#include "libqtest.h"
|
|
#include "libqos/pci.h"
|
|
#include "libqos/pci-pc.h"
|
|
#include "qemu/osdep.h"
|
|
#include "hw/pci-host/q35.h"
|
|
|
|
static void smram_set_bit(QPCIDevice *pcidev, uint8_t mask, bool enabled)
|
|
{
|
|
uint8_t smram;
|
|
|
|
smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
|
|
if (enabled) {
|
|
smram |= mask;
|
|
} else {
|
|
smram &= ~mask;
|
|
}
|
|
qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_SMRAM, smram);
|
|
}
|
|
|
|
static bool smram_test_bit(QPCIDevice *pcidev, uint8_t mask)
|
|
{
|
|
uint8_t smram;
|
|
|
|
smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
|
|
return smram & mask;
|
|
}
|
|
|
|
static void test_smram_lock(void)
|
|
{
|
|
QPCIBus *pcibus;
|
|
QPCIDevice *pcidev;
|
|
QDict *response;
|
|
|
|
pcibus = qpci_init_pc();
|
|
g_assert(pcibus != NULL);
|
|
|
|
pcidev = qpci_device_find(pcibus, 0);
|
|
g_assert(pcidev != NULL);
|
|
|
|
/* check open is settable */
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
|
|
|
|
/* lock, check open is cleared & not settable */
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_LCK, true);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
|
|
|
|
/* reset */
|
|
response = qmp("{'execute': 'system_reset', 'arguments': {} }");
|
|
g_assert(response);
|
|
g_assert(!qdict_haskey(response, "error"));
|
|
QDECREF(response);
|
|
|
|
/* check open is settable again */
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
|
|
smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
|
|
g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int ret;
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
|
|
qtest_add_func("/q35/smram/lock", test_smram_lock);
|
|
|
|
qtest_start("-M q35");
|
|
ret = g_test_run();
|
|
qtest_end();
|
|
|
|
return ret;
|
|
}
|