| 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); |