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author | Peter Maydell | 2019-01-18 15:58:57 +0100 |
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committer | Peter Maydell | 2019-01-18 15:58:58 +0100 |
commit | 51c1c135608e155d01eea774974d2b9caee9befb (patch) | |
tree | a37cd00fd97960cbc4ed64edcf2ebf2bfecf0c6f /hw/virtio/virtio-serial-pci.c | |
parent | Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into ... (diff) | |
parent | migration: Use strnlen() for fixed-size string (diff) | |
download | qemu-51c1c135608e155d01eea774974d2b9caee9befb.tar.gz qemu-51c1c135608e155d01eea774974d2b9caee9befb.tar.xz qemu-51c1c135608e155d01eea774974d2b9caee9befb.zip |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, features
tpm physical presence interface
rsc support in virtio net
ivshmem is removed
misc cleanups and fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 18 Jan 2019 02:11:11 GMT
# gpg: using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (49 commits)
migration: Use strnlen() for fixed-size string
migration: Fix stringop-truncation warning
hw/acpi: Use QEMU_NONSTRING for non NUL-terminated arrays
block/sheepdog: Use QEMU_NONSTRING for non NUL-terminated arrays
qemu/compiler: Define QEMU_NONSTRING
acpi: update expected files
hw: acpi: Fix memory hotplug AML generation error
tpm: clear RAM when "memory overwrite" requested
acpi: add ACPI memory clear interface
acpi: build TPM Physical Presence interface
acpi: expose TPM/PPI configuration parameters to firmware via fw_cfg
tpm: allocate/map buffer for TPM Physical Presence interface
tpm: add a "ppi" boolean property
hw/misc/edu: add msi_uninit() for pci_edu_uninit()
virtio: Make disable-legacy/disable-modern compat properties optional
globals: Allow global properties to be optional
virtio: virtio 9p really requires CONFIG_VIRTFS to work
virtio: split virtio crypto bits from virtio-pci.h
virtio: split virtio gpu bits from virtio-pci.h
virtio: split virtio serial bits from virtio-pci
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/virtio/virtio-serial-pci.c')
-rw-r--r-- | hw/virtio/virtio-serial-pci.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/hw/virtio/virtio-serial-pci.c b/hw/virtio/virtio-serial-pci.c new file mode 100644 index 0000000000..971b2eb8d8 --- /dev/null +++ b/hw/virtio/virtio-serial-pci.c @@ -0,0 +1,115 @@ +/* + * Virtio serial PCI Bindings + * + * Copyright IBM, Corp. 2007 + * Copyright (c) 2009 CodeSourcery + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * Paul Brook <paul@codesourcery.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu/osdep.h" + +#include "hw/virtio/virtio-serial.h" +#include "virtio-pci.h" + +typedef struct VirtIOSerialPCI VirtIOSerialPCI; + +/* + * virtio-serial-pci: This extends VirtioPCIProxy. + */ +#define TYPE_VIRTIO_SERIAL_PCI "virtio-serial-pci-base" +#define VIRTIO_SERIAL_PCI(obj) \ + OBJECT_CHECK(VirtIOSerialPCI, (obj), TYPE_VIRTIO_SERIAL_PCI) + +struct VirtIOSerialPCI { + VirtIOPCIProxy parent_obj; + VirtIOSerial vdev; +}; + +static void virtio_serial_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + DeviceState *proxy = DEVICE(vpci_dev); + char *bus_name; + + if (vpci_dev->class_code != PCI_CLASS_COMMUNICATION_OTHER && + vpci_dev->class_code != PCI_CLASS_DISPLAY_OTHER && /* qemu 0.10 */ + vpci_dev->class_code != PCI_CLASS_OTHERS) { /* qemu-kvm */ + vpci_dev->class_code = PCI_CLASS_COMMUNICATION_OTHER; + } + + /* backwards-compatibility with machines that were created with + DEV_NVECTORS_UNSPECIFIED */ + if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors = dev->vdev.serial.max_virtserial_ports + 1; + } + + /* + * For command line compatibility, this sets the virtio-serial-device bus + * name as before. + */ + if (proxy->id) { + bus_name = g_strdup_printf("%s.0", proxy->id); + virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); + g_free(bus_name); + } + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static Property virtio_serial_pci_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), + DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_serial_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + k->realize = virtio_serial_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + dc->props = virtio_serial_pci_properties; + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_CONSOLE; + pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; + pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; +} + +static void virtio_serial_pci_instance_init(Object *obj) +{ + VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_SERIAL); +} + +static const VirtioPCIDeviceTypeInfo virtio_serial_pci_info = { + .base_name = TYPE_VIRTIO_SERIAL_PCI, + .generic_name = "virtio-serial-pci", + .transitional_name = "virtio-serial-pci-transitional", + .non_transitional_name = "virtio-serial-pci-non-transitional", + .instance_size = sizeof(VirtIOSerialPCI), + .instance_init = virtio_serial_pci_instance_init, + .class_init = virtio_serial_pci_class_init, +}; + +static void virtio_serial_pci_register(void) +{ + virtio_pci_types_register(&virtio_serial_pci_info); +} + +type_init(virtio_serial_pci_register) |