diff options
Diffstat (limited to 'hw/virtio-bus.c')
| -rw-r--r-- | hw/virtio-bus.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/hw/virtio-bus.c b/hw/virtio-bus.c deleted file mode 100644 index 6c2aab0..0000000 --- a/hw/virtio-bus.c +++ /dev/null @@ -1,164 +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 "hw/hw.h" -#include "qemu/error-report.h" -#include "hw/qdev.h" -#include "hw/virtio-bus.h" -#include "hw/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 - -/* Plug the VirtIODevice */ -int virtio_bus_plug_device(VirtIODevice *vdev) -{ - DeviceState *qdev = DEVICE(vdev); - BusState *qbus = BUS(qdev_get_parent_bus(qdev)); - VirtioBusState *bus = VIRTIO_BUS(qbus); - VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(bus); - DPRINTF("%s: plug device.\n", qbus->name); - - bus->vdev = vdev; - - /* - * The lines below will disappear when we drop VirtIOBindings, at the end - * of the series. - */ - bus->bindings.notify = klass->notify; - bus->bindings.save_config = klass->save_config; - bus->bindings.save_queue = klass->save_queue; - bus->bindings.load_config = klass->load_config; - bus->bindings.load_queue = klass->load_queue; - bus->bindings.load_done = klass->load_done; - bus->bindings.get_features = klass->get_features; - bus->bindings.query_guest_notifiers = klass->query_guest_notifiers; - bus->bindings.set_guest_notifiers = klass->set_guest_notifiers; - bus->bindings.set_host_notifier = klass->set_host_notifier; - bus->bindings.vmstate_change = klass->vmstate_change; - virtio_bind_device(bus->vdev, &bus->bindings, qbus->parent); - - if (klass->device_plugged != NULL) { - klass->device_plugged(qbus->parent); - } - - return 0; -} - -/* Reset the virtio_bus */ -void virtio_bus_reset(VirtioBusState *bus) -{ - DPRINTF("%s: reset device.\n", qbus->name); - if (bus->vdev != NULL) { - virtio_reset(bus->vdev); - } -} - -/* Destroy the VirtIODevice */ -void virtio_bus_destroy_device(VirtioBusState *bus) -{ - DeviceState *qdev; - BusState *qbus = BUS(bus); - VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(bus); - DPRINTF("%s: remove device.\n", qbus->name); - - if (bus->vdev != NULL) { - if (klass->device_unplug != NULL) { - klass->device_unplug(qbus->parent); - } - qdev = DEVICE(bus->vdev); - qdev_free(qdev); - bus->vdev = NULL; - } -} - -/* Get the device id of the plugged device. */ -uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus) -{ - assert(bus->vdev != NULL); - return bus->vdev->device_id; -} - -/* Get the config_len field of the plugged device. */ -size_t virtio_bus_get_vdev_config_len(VirtioBusState *bus) -{ - assert(bus->vdev != NULL); - return bus->vdev->config_len; -} - -/* Get the features of the plugged device. */ -uint32_t virtio_bus_get_vdev_features(VirtioBusState *bus, - uint32_t requested_features) -{ - VirtioDeviceClass *k; - assert(bus->vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(bus->vdev); - assert(k->get_features != NULL); - return k->get_features(bus->vdev, requested_features); -} - -/* Get bad features of the plugged device. */ -uint32_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus) -{ - VirtioDeviceClass *k; - assert(bus->vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(bus->vdev); - if (k->bad_features != NULL) { - return k->bad_features(bus->vdev); - } else { - return 0; - } -} - -/* Get config of the plugged device. */ -void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config) -{ - VirtioDeviceClass *k; - assert(bus->vdev != NULL); - k = VIRTIO_DEVICE_GET_CLASS(bus->vdev); - if (k->get_config != NULL) { - k->get_config(bus->vdev, config); - } -} - -static const TypeInfo virtio_bus_info = { - .name = TYPE_VIRTIO_BUS, - .parent = TYPE_BUS, - .instance_size = sizeof(VirtioBusState), - .abstract = true, - .class_size = sizeof(VirtioBusClass), -}; - -static void virtio_register_types(void) -{ - type_register_static(&virtio_bus_info); -} - -type_init(virtio_register_types) |
