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tulip-test.c (2601B)

      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 "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 
     18 typedef struct QTulip_pci QTulip_pci;
     19 
     20 struct QTulip_pci {
     21     QOSGraphObject obj;
     22     QPCIDevice dev;
     23 };
     24 
     25 static 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 
     37 static 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 
     48 static 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 
     77 static 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 
     91 libqos_init(tulip_register_nodes);