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); 92