cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

tulip-test.c (2608B)

      1/*
      2 * QTest testcase for DEC/Intel Tulip 21143
      3 *
      4 * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 */
      9
     10#include "qemu/osdep.h"
     11#include "libqos/libqtest.h"
     12#include "qemu/module.h"
     13#include "libqos/qgraph.h"
     14#include "libqos/pci.h"
     15#include "qemu/bitops.h"
     16#include "hw/net/tulip.h"
     17
     18typedef struct QTulip_pci QTulip_pci;
     19
     20struct QTulip_pci {
     21    QOSGraphObject obj;
     22    QPCIDevice dev;
     23};
     24
     25static void *tulip_pci_get_driver(void *obj, const char *interface)
     26{
     27    QTulip_pci *tulip_pci = obj;
     28
     29    if (!g_strcmp0(interface, "pci-device")) {
     30        return &tulip_pci->dev;
     31    }
     32
     33    fprintf(stderr, "%s not present in tulip_pci\n", interface);
     34    g_assert_not_reached();
     35}
     36
     37static void *tulip_pci_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
     38{
     39    QTulip_pci *tulip_pci = g_new0(QTulip_pci, 1);
     40    QPCIBus *bus = pci_bus;
     41
     42    qpci_device_init(&tulip_pci->dev, bus, addr);
     43    tulip_pci->obj.get_driver = tulip_pci_get_driver;
     44
     45    return &tulip_pci->obj;
     46}
     47
     48static void tulip_large_tx(void *obj, void *data, QGuestAllocator *alloc)
     49{
     50    QTulip_pci *tulip_pci = obj;
     51    QPCIDevice *dev = &tulip_pci->dev;
     52    QPCIBar bar;
     53    struct tulip_descriptor context;
     54    char guest_data[4096];
     55    uint64_t context_pa;
     56    uint64_t guest_pa;
     57
     58    qpci_device_enable(dev);
     59    bar = qpci_iomap(dev, 0, NULL);
     60    context_pa = guest_alloc(alloc, sizeof(context));
     61    guest_pa = guest_alloc(alloc, 4096);
     62    memset(guest_data, 'A', sizeof(guest_data));
     63    context.status = TDES0_OWN;
     64    context.control = TDES1_BUF2_SIZE_MASK << TDES1_BUF2_SIZE_SHIFT |
     65                      TDES1_BUF1_SIZE_MASK << TDES1_BUF1_SIZE_SHIFT;
     66    context.buf_addr2 = guest_pa;
     67    context.buf_addr1 = guest_pa;
     68
     69    qtest_memwrite(dev->bus->qts, context_pa, &context, sizeof(context));
     70    qtest_memwrite(dev->bus->qts, guest_pa, guest_data, sizeof(guest_data));
     71    qpci_io_writel(dev, bar, 0x20, context_pa);
     72    qpci_io_writel(dev, bar, 0x30, CSR6_ST);
     73    guest_free(alloc, context_pa);
     74    guest_free(alloc, guest_pa);
     75}
     76
     77static void tulip_register_nodes(void)
     78{
     79    QOSGraphEdgeOptions opts = {
     80        .extra_device_opts = "addr=04.0",
     81    };
     82    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
     83
     84    qos_node_create_driver("tulip", tulip_pci_create);
     85    qos_node_consumes("tulip", "pci-bus", &opts);
     86    qos_node_produces("tulip", "pci-device");
     87
     88    qos_add_test("tulip_large_tx", "tulip", tulip_large_tx, NULL);
     89}
     90
     91libqos_init(tulip_register_nodes);