| /* |
| * 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 "qemu/osdep.h" |
| #include "libqtest.h" |
| #include "libqos/pci.h" |
| #include "libqos/pci-pc.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; |
| } |