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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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* QTest testcase for DEC/Intel Tulip 21143
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*
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* Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "libqos/libqtest.h"
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#include "qemu/module.h"
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#include "libqos/qgraph.h"
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#include "libqos/pci.h"
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#include "qemu/bitops.h"
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#include "hw/net/tulip.h"
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typedef struct QTulip_pci QTulip_pci;
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struct QTulip_pci {
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QOSGraphObject obj;
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QPCIDevice dev;
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};
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static void *tulip_pci_get_driver(void *obj, const char *interface)
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{
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QTulip_pci *tulip_pci = obj;
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if (!g_strcmp0(interface, "pci-device")) {
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return &tulip_pci->dev;
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}
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fprintf(stderr, "%s not present in tulip_pci\n", interface);
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g_assert_not_reached();
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}
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static void *tulip_pci_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
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{
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QTulip_pci *tulip_pci = g_new0(QTulip_pci, 1);
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QPCIBus *bus = pci_bus;
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qpci_device_init(&tulip_pci->dev, bus, addr);
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tulip_pci->obj.get_driver = tulip_pci_get_driver;
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return &tulip_pci->obj;
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}
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static void tulip_large_tx(void *obj, void *data, QGuestAllocator *alloc)
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{
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QTulip_pci *tulip_pci = obj;
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QPCIDevice *dev = &tulip_pci->dev;
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QPCIBar bar;
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struct tulip_descriptor context;
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char guest_data[4096];
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uint64_t context_pa;
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uint64_t guest_pa;
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qpci_device_enable(dev);
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bar = qpci_iomap(dev, 0, NULL);
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context_pa = guest_alloc(alloc, sizeof(context));
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guest_pa = guest_alloc(alloc, 4096);
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memset(guest_data, 'A', sizeof(guest_data));
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context.status = TDES0_OWN;
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context.control = TDES1_BUF2_SIZE_MASK << TDES1_BUF2_SIZE_SHIFT |
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TDES1_BUF1_SIZE_MASK << TDES1_BUF1_SIZE_SHIFT;
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context.buf_addr2 = guest_pa;
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context.buf_addr1 = guest_pa;
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qtest_memwrite(dev->bus->qts, context_pa, &context, sizeof(context));
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qtest_memwrite(dev->bus->qts, guest_pa, guest_data, sizeof(guest_data));
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qpci_io_writel(dev, bar, 0x20, context_pa);
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qpci_io_writel(dev, bar, 0x30, CSR6_ST);
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guest_free(alloc, context_pa);
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guest_free(alloc, guest_pa);
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}
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static void tulip_register_nodes(void)
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{
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QOSGraphEdgeOptions opts = {
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.extra_device_opts = "addr=04.0",
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};
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add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
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qos_node_create_driver("tulip", tulip_pci_create);
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qos_node_consumes("tulip", "pci-bus", &opts);
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qos_node_produces("tulip", "pci-device");
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qos_add_test("tulip_large_tx", "tulip", tulip_large_tx, NULL);
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}
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libqos_init(tulip_register_nodes);
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