diff options
Diffstat (limited to 'qemu/hw/virtio/virtio-bus.c')
| -rw-r--r-- | qemu/hw/virtio/virtio-bus.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/qemu/hw/virtio/virtio-bus.c b/qemu/hw/virtio/virtio-bus.c deleted file mode 100644 index 574f0e23f..000000000 --- a/qemu/hw/virtio/virtio-bus.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * VirtioBus - * - * Copyright (C) 2012 : GreenSocs Ltd - * http://www.greensocs.com/ , email: info@greensocs.com - * - * Developed by : - * Frederic Konrad <fred.konrad@greensocs.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - * - */ - -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "qemu/error-report.h" -#include "hw/qdev.h" -#include "hw/virtio/virtio-bus.h" -#include "hw/virtio/virtio.h" - -/* #define DEBUG_VIRTIO_BUS */ - -#ifdef DEBUG_VIRTIO_BUS -#define DPRINTF(fmt, ...) \ -do { printf("virtio_bus: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) do { } while (0) -#endif - -/* A VirtIODevice is being plugged */ -void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp) -{ - DeviceState *qdev = DEVICE(vdev); - BusState *qbus = BUS(qdev_get_parent_bus(qdev)); - VirtioBusState *bus = VIRTIO_BUS(qbus); - VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(bus); - VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); - - DPRINTF("%s: plug device.\n", qbus->name); - - if (klass->device_plugged != NULL) { - klass->device_plugged(qbus->parent, errp); - } - - /* Get the features of the plugged device. */ - assert(vdc->get_features != NULL); - vdev->host_features = vdc->get_features(vdev, vdev->host_features, - errp); - if (klass->post_plugged != NULL) { - klass->post_plugged(qbus->parent, errp); - } -} - -/* Reset the virtio_bus */ -void virtio_bus_reset(VirtioBusState *bus) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - - DPRINTF("%s: reset device.\n", BUS(bus)->name); - if (vdev != NULL) { - virtio_reset(vdev); - } -} - -/* A VirtIODevice is being unplugged */ -void virtio_bus_device_unplugged(VirtIODevice *vdev) -{ - DeviceState *qdev = DEVICE(vdev); - BusState *qbus = BUS(qdev_get_parent_bus(qdev)); - VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(qbus); - - DPRINTF("%s: remove device.\n", qbus->name); - - if (vdev != NULL) { - if (klass->device_unplugged != NULL) { - klass->device_unplugged(qbus->parent); - } - } -} - -/* Get the device id of the plugged device. */ -uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - assert(vdev != NULL); - return vdev->device_id; -} - -/* Get the config_len field of the plugged device. */ -size_t virtio_bus_get_vdev_config_len(VirtioBusState *bus) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - assert(vdev != NULL); - return vdev->config_len; -} - -/* Get bad features of the plugged device. */ -uint32_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - VirtioDeviceClass *k; - - assert(vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(vdev); - if (k->bad_features != NULL) { - return k->bad_features(vdev); - } else { - return 0; - } -} - -/* Get config of the plugged device. */ -void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - VirtioDeviceClass *k; - - assert(vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(vdev); - if (k->get_config != NULL) { - k->get_config(vdev, config); - } -} - -/* Set config of the plugged device. */ -void virtio_bus_set_vdev_config(VirtioBusState *bus, uint8_t *config) -{ - VirtIODevice *vdev = virtio_bus_get_device(bus); - VirtioDeviceClass *k; - - assert(vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(vdev); - if (k->set_config != NULL) { - k->set_config(vdev, config); - } -} - -static char *virtio_bus_get_dev_path(DeviceState *dev) -{ - BusState *bus = qdev_get_parent_bus(dev); - DeviceState *proxy = DEVICE(bus->parent); - return qdev_get_dev_path(proxy); -} - -static char *virtio_bus_get_fw_dev_path(DeviceState *dev) -{ - return NULL; -} - -static void virtio_bus_class_init(ObjectClass *klass, void *data) -{ - BusClass *bus_class = BUS_CLASS(klass); - bus_class->get_dev_path = virtio_bus_get_dev_path; - bus_class->get_fw_dev_path = virtio_bus_get_fw_dev_path; -} - -static const TypeInfo virtio_bus_info = { - .name = TYPE_VIRTIO_BUS, - .parent = TYPE_BUS, - .instance_size = sizeof(VirtioBusState), - .abstract = true, - .class_size = sizeof(VirtioBusClass), - .class_init = virtio_bus_class_init -}; - -static void virtio_register_types(void) -{ - type_register_static(&virtio_bus_info); -} - -type_init(virtio_register_types) |