diff options
Diffstat (limited to 'qemu/include/hw/virtio/virtio-bus.h')
| -rw-r--r-- | qemu/include/hw/virtio/virtio-bus.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/qemu/include/hw/virtio/virtio-bus.h b/qemu/include/hw/virtio/virtio-bus.h deleted file mode 100644 index 3f2c1363d..000000000 --- a/qemu/include/hw/virtio/virtio-bus.h +++ /dev/null @@ -1,114 +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/>. - * - */ - -#ifndef VIRTIO_BUS_H -#define VIRTIO_BUS_H - -#include "hw/qdev.h" -#include "sysemu/sysemu.h" -#include "hw/virtio/virtio.h" - -#define TYPE_VIRTIO_BUS "virtio-bus" -#define VIRTIO_BUS_GET_CLASS(obj) \ - OBJECT_GET_CLASS(VirtioBusClass, obj, TYPE_VIRTIO_BUS) -#define VIRTIO_BUS_CLASS(klass) \ - OBJECT_CLASS_CHECK(VirtioBusClass, klass, TYPE_VIRTIO_BUS) -#define VIRTIO_BUS(obj) OBJECT_CHECK(VirtioBusState, (obj), TYPE_VIRTIO_BUS) - -typedef struct VirtioBusState VirtioBusState; - -typedef struct VirtioBusClass { - /* This is what a VirtioBus must implement */ - BusClass parent; - void (*notify)(DeviceState *d, uint16_t vector); - void (*save_config)(DeviceState *d, QEMUFile *f); - void (*save_queue)(DeviceState *d, int n, QEMUFile *f); - void (*save_extra_state)(DeviceState *d, QEMUFile *f); - int (*load_config)(DeviceState *d, QEMUFile *f); - int (*load_queue)(DeviceState *d, int n, QEMUFile *f); - int (*load_done)(DeviceState *d, QEMUFile *f); - int (*load_extra_state)(DeviceState *d, QEMUFile *f); - bool (*has_extra_state)(DeviceState *d); - bool (*query_guest_notifiers)(DeviceState *d); - int (*set_guest_notifiers)(DeviceState *d, int nvqs, bool assign); - int (*set_host_notifier)(DeviceState *d, int n, bool assigned); - void (*vmstate_change)(DeviceState *d, bool running); - /* - * transport independent init function. - * This is called by virtio-bus just after the device is plugged. - */ - void (*device_plugged)(DeviceState *d, Error **errp); - /* - * Re-evaluate setup after feature bits have been validated - * by the device backend. - */ - void (*post_plugged)(DeviceState *d, Error **errp); - /* - * transport independent exit function. - * This is called by virtio-bus just before the device is unplugged. - */ - void (*device_unplugged)(DeviceState *d); - int (*query_nvectors)(DeviceState *d); - /* - * Does the transport have variable vring alignment? - * (ie can it ever call virtio_queue_set_align()?) - * Note that changing this will break migration for this transport. - */ - bool has_variable_vring_alignment; -} VirtioBusClass; - -struct VirtioBusState { - BusState parent_obj; -}; - -void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp); -void virtio_bus_reset(VirtioBusState *bus); -void virtio_bus_device_unplugged(VirtIODevice *bus); -/* Get the device id of the plugged device. */ -uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus); -/* Get the config_len field of the plugged device. */ -size_t virtio_bus_get_vdev_config_len(VirtioBusState *bus); -/* Get the features of the plugged device. */ -uint32_t virtio_bus_get_vdev_features(VirtioBusState *bus, - uint32_t requested_features); -/* Get bad features of the plugged device. */ -uint32_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus); -/* Get config of the plugged device. */ -void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config); -/* Set config of the plugged device. */ -void virtio_bus_set_vdev_config(VirtioBusState *bus, uint8_t *config); - -static inline VirtIODevice *virtio_bus_get_device(VirtioBusState *bus) -{ - BusState *qbus = &bus->parent_obj; - BusChild *kid = QTAILQ_FIRST(&qbus->children); - DeviceState *qdev = kid ? kid->child : NULL; - - /* This is used on the data path, the cast is guaranteed - * to succeed by the qdev machinery. - */ - return (VirtIODevice *)qdev; -} - -#endif /* VIRTIO_BUS_H */ |