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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); |