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/*
* QTest testcase for DEC/Intel Tulip 21143
*
* Copyright (c) 2020 Li Qiang <liq3ea@gmail.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 "qemu/module.h"
#include "libqos/qgraph.h"
#include "libqos/pci.h"
#include "qemu/bitops.h"
#include "hw/net/tulip.h"
typedef struct QTulip_pci QTulip_pci;
struct QTulip_pci {
QOSGraphObject obj;
QPCIDevice dev;
};
static void *tulip_pci_get_driver(void *obj, const char *interface)
{
QTulip_pci *tulip_pci = obj;
if (!g_strcmp0(interface, "pci-device")) {
return &tulip_pci->dev;
}
fprintf(stderr, "%s not present in tulip_pci\n", interface);
g_assert_not_reached();
}
static void *tulip_pci_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
{
QTulip_pci *tulip_pci = g_new0(QTulip_pci, 1);
QPCIBus *bus = pci_bus;
qpci_device_init(&tulip_pci->dev, bus, addr);
tulip_pci->obj.get_driver = tulip_pci_get_driver;
return &tulip_pci->obj;
}
static void tulip_large_tx(void *obj, void *data, QGuestAllocator *alloc)
{
QTulip_pci *tulip_pci = obj;
QPCIDevice *dev = &tulip_pci->dev;
QPCIBar bar;
struct tulip_descriptor context;
char guest_data[4096];
uint64_t context_pa;
uint64_t guest_pa;
qpci_device_enable(dev);
bar = qpci_iomap(dev, 0, NULL);
context_pa = guest_alloc(alloc, sizeof(context));
guest_pa = guest_alloc(alloc, 4096);
memset(guest_data, 'A', sizeof(guest_data));
context.status = TDES0_OWN;
context.control = TDES1_BUF2_SIZE_MASK << TDES1_BUF2_SIZE_SHIFT |
TDES1_BUF1_SIZE_MASK << TDES1_BUF1_SIZE_SHIFT;
context.buf_addr2 = guest_pa;
context.buf_addr1 = guest_pa;
qtest_memwrite(dev->bus->qts, context_pa, &context, sizeof(context));
qtest_memwrite(dev->bus->qts, guest_pa, guest_data, sizeof(guest_data));
qpci_io_writel(dev, bar, 0x20, context_pa);
qpci_io_writel(dev, bar, 0x30, CSR6_ST);
guest_free(alloc, context_pa);
guest_free(alloc, guest_pa);
}
static void tulip_register_nodes(void)
{
QOSGraphEdgeOptions opts = {
.extra_device_opts = "addr=04.0",
};
add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
qos_node_create_driver("tulip", tulip_pci_create);
qos_node_consumes("tulip", "pci-bus", &opts);
qos_node_produces("tulip", "pci-device");
qos_add_test("tulip_large_tx", "tulip", tulip_large_tx, NULL);
}
libqos_init(tulip_register_nodes);
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