]>
Commit | Line | Data |
---|---|---|
f386df17 JQ |
1 | /* |
2 | * Virtio serial PCI Bindings | |
3 | * | |
4 | * Copyright IBM, Corp. 2007 | |
5 | * Copyright (c) 2009 CodeSourcery | |
6 | * | |
7 | * Authors: | |
8 | * Anthony Liguori <aliguori@us.ibm.com> | |
9 | * Paul Brook <paul@codesourcery.com> | |
10 | * | |
11 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
12 | * the COPYING file in the top-level directory. | |
13 | * | |
14 | * Contributions after 2012-01-13 are licensed under the terms of the | |
15 | * GNU GPL, version 2 or (at your option) any later version. | |
16 | */ | |
17 | ||
18 | #include "qemu/osdep.h" | |
19 | ||
20 | #include "hw/virtio/virtio-serial.h" | |
0b8fa32f | 21 | #include "qemu/module.h" |
f386df17 JQ |
22 | #include "virtio-pci.h" |
23 | ||
24 | typedef struct VirtIOSerialPCI VirtIOSerialPCI; | |
25 | ||
26 | /* | |
27 | * virtio-serial-pci: This extends VirtioPCIProxy. | |
28 | */ | |
29 | #define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci-base" | |
30 | #define VIRTIO_SERIAL_PCI(obj) \ | |
31 | OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) | |
32 | ||
33 | struct VirtIOSerialPCI { | |
34 | VirtIOPCIProxy parent_obj; | |
35 | VirtIOSerial vdev; | |
36 | }; | |
37 | ||
38 | static void virtio_serial_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) | |
39 | { | |
40 | VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(vpci_dev); | |
41 | DeviceState *vdev = DEVICE(&dev->vdev); | |
42 | DeviceState *proxy = DEVICE(vpci_dev); | |
43 | char *bus_name; | |
44 | ||
45 | if (vpci_dev->class_code != PCI_CLASS_COMMUNICATION_OTHER && | |
46 | vpci_dev->class_code != PCI_CLASS_DISPLAY_OTHER && /* qemu 0.10 */ | |
47 | vpci_dev->class_code != PCI_CLASS_OTHERS) { /* qemu-kvm */ | |
48 | vpci_dev->class_code = PCI_CLASS_COMMUNICATION_OTHER; | |
49 | } | |
50 | ||
51 | /* backwards-compatibility with machines that were created with | |
52 | DEV_NVECTORS_UNSPECIFIED */ | |
53 | if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { | |
54 | vpci_dev->nvectors = dev->vdev.serial.max_virtserial_ports + 1; | |
55 | } | |
56 | ||
57 | /* | |
58 | * For command line compatibility, this sets the virtio-serial-device bus | |
59 | * name as before. | |
60 | */ | |
61 | if (proxy->id) { | |
62 | bus_name = g_strdup_printf("%s.0", proxy->id); | |
63 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
64 | g_free(bus_name); | |
65 | } | |
66 | ||
67 | qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); | |
68 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); | |
69 | } | |
70 | ||
71 | static Property virtio_serial_pci_properties[] = { | |
72 | DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, | |
73 | VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), | |
74 | DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), | |
75 | DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), | |
76 | DEFINE_PROP_END_OF_LIST(), | |
77 | }; | |
78 | ||
79 | static void virtio_serial_pci_class_init(ObjectClass *klass, void *data) | |
80 | { | |
81 | DeviceClass *dc = DEVICE_CLASS(klass); | |
82 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); | |
83 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); | |
84 | k->realize = virtio_serial_pci_realize; | |
85 | set_bit(DEVICE_CATEGORY_INPUT, dc->categories); | |
86 | dc->props = virtio_serial_pci_properties; | |
87 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; | |
88 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE; | |
89 | pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; | |
90 | pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; | |
91 | } | |
92 | ||
93 | static void virtio_serial_pci_instance_init(Object *obj) | |
94 | { | |
95 | VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj); | |
96 | ||
97 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
98 | TYPE_VIRTIO_SERIAL); | |
99 | } | |
100 | ||
101 | static const VirtioPCIDeviceTypeInfo virtio_serial_pci_info = { | |
102 | .base_name = TYPE_VIRTIO_SERIAL_PCI, | |
103 | .generic_name = "virtio-serial-pci", | |
104 | .transitional_name = "virtio-serial-pci-transitional", | |
105 | .non_transitional_name = "virtio-serial-pci-non-transitional", | |
106 | .instance_size = sizeof(VirtIOSerialPCI), | |
107 | .instance_init = virtio_serial_pci_instance_init, | |
108 | .class_init = virtio_serial_pci_class_init, | |
109 | }; | |
110 | ||
111 | static void virtio_serial_pci_register(void) | |
112 | { | |
113 | virtio_pci_types_register(&virtio_serial_pci_info); | |
114 | } | |
115 | ||
116 | type_init(virtio_serial_pci_register) |