root / hw / s390x / s390-virtio-bus.c @ f4dd69aa
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/*
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* QEMU S390 virtio target
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*
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* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw/hw.h" |
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#include "block/block.h" |
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#include "sysemu/sysemu.h" |
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#include "hw/boards.h" |
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#include "monitor/monitor.h" |
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#include "hw/loader.h" |
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#include "elf.h" |
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#include "hw/virtio/virtio.h" |
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#include "hw/virtio/virtio-rng.h" |
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#include "hw/virtio/virtio-serial.h" |
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#include "hw/virtio/virtio-net.h" |
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#include "hw/virtio/vhost-scsi.h" |
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#include "hw/sysbus.h" |
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#include "sysemu/kvm.h" |
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#include "hw/s390x/s390-virtio-bus.h" |
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#include "hw/virtio/virtio-bus.h" |
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/* #define DEBUG_S390 */
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#ifdef DEBUG_S390
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#define dprintf(fmt, ...) \
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do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
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#else
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#define dprintf(fmt, ...) \
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do { } while (0) |
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#endif
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#define VIRTIO_EXT_CODE 0x2603 |
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static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev); |
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static const TypeInfo s390_virtio_bus_info = { |
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.name = TYPE_S390_VIRTIO_BUS, |
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.parent = TYPE_BUS, |
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.instance_size = sizeof(VirtIOS390Bus),
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}; |
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static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
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/* length of VirtIO device pages */
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const hwaddr virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
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static void s390_virtio_bus_reset(void *opaque) |
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{ |
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VirtIOS390Bus *bus = opaque; |
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bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
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} |
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void s390_virtio_reset_idx(VirtIOS390Device *dev)
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{ |
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int i;
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hwaddr idx_addr; |
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uint8_t num_vq; |
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num_vq = s390_virtio_device_num_vq(dev); |
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for (i = 0; i < num_vq; i++) { |
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idx_addr = virtio_queue_get_avail_addr(dev->vdev, i) + |
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VIRTIO_VRING_AVAIL_IDX_OFFS; |
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stw_phys(idx_addr, 0);
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idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + |
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VIRTIO_VRING_USED_IDX_OFFS; |
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stw_phys(idx_addr, 0);
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} |
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} |
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VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
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{ |
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VirtIOS390Bus *bus; |
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BusState *_bus; |
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DeviceState *dev; |
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/* Create bridge device */
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dev = qdev_create(NULL, "s390-virtio-bridge"); |
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qdev_init_nofail(dev); |
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/* Create bus on bridge device */
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_bus = qbus_create(TYPE_S390_VIRTIO_BUS, dev, "s390-virtio");
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bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
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bus->dev_page = *ram_size; |
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bus->dev_offs = bus->dev_page; |
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bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
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/* Enable hotplugging */
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_bus->allow_hotplug = 1;
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/* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
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*ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
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qemu_register_reset(s390_virtio_bus_reset, bus); |
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return bus;
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} |
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static void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) |
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{ |
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if (kvm_enabled()) {
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kvm_s390_virtio_irq(cpu, config_change, token); |
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} else {
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cpu_inject_ext(cpu, VIRTIO_EXT_CODE, config_change, token); |
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} |
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} |
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static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
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{ |
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VirtIOS390Bus *bus; |
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int dev_len;
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bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
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dev->vdev = vdev; |
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dev->dev_offs = bus->dev_offs; |
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dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ |
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dev_len = VIRTIO_DEV_OFFS_CONFIG; |
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dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; |
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dev_len += dev->feat_len * 2;
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dev_len += virtio_bus_get_vdev_config_len(&dev->bus); |
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bus->dev_offs += dev_len; |
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dev->host_features = virtio_bus_get_vdev_features(&dev->bus, |
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dev->host_features); |
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s390_virtio_device_sync(dev); |
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s390_virtio_reset_idx(dev); |
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if (dev->qdev.hotplugged) {
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S390CPU *cpu = s390_cpu_addr2state(0);
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s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs); |
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} |
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return 0; |
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} |
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static int s390_virtio_net_init(VirtIOS390Device *s390_dev) |
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{ |
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VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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virtio_net_set_config_size(&dev->vdev, s390_dev->host_features); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
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} |
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static void s390_virtio_net_instance_init(Object *obj) |
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{ |
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VirtIONetS390 *dev = VIRTIO_NET_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_NET); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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} |
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static int s390_virtio_blk_init(VirtIOS390Device *s390_dev) |
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{ |
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VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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virtio_blk_set_conf(vdev, &(dev->blk)); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
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} |
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static void s390_virtio_blk_instance_init(Object *obj) |
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{ |
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VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_BLK); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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} |
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static int s390_virtio_serial_init(VirtIOS390Device *s390_dev) |
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{ |
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VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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DeviceState *qdev = DEVICE(s390_dev); |
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VirtIOS390Bus *bus; |
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int r;
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bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
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if (!r) {
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bus->console = s390_dev; |
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} |
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return r;
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} |
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static void s390_virtio_serial_instance_init(Object *obj) |
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{ |
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VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SERIAL); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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} |
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static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) |
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{ |
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VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
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} |
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static void s390_virtio_scsi_instance_init(Object *obj) |
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{ |
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VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SCSI); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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} |
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#ifdef CONFIG_VHOST_SCSI
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static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev) |
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{ |
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VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
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} |
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static void s390_vhost_scsi_instance_init(Object *obj) |
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{ |
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VHostSCSIS390 *dev = VHOST_SCSI_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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} |
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#endif
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static int s390_virtio_rng_init(VirtIOS390Device *s390_dev) |
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{ |
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VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); |
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DeviceState *vdev = DEVICE(&dev->vdev); |
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qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
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if (qdev_init(vdev) < 0) { |
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return -1; |
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} |
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object_property_set_link(OBJECT(dev), |
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OBJECT(dev->vdev.conf.default_backend), "rng",
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NULL);
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return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
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} |
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static void s390_virtio_rng_instance_init(Object *obj) |
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{ |
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VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); |
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object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_RNG); |
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object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
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object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
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(Object **)&dev->vdev.conf.rng, NULL);
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} |
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static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
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{ |
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ram_addr_t token_off; |
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token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
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(vq * VIRTIO_VQCONFIG_LEN) + |
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VIRTIO_VQCONFIG_OFFS_TOKEN; |
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return ldq_be_phys(token_off);
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} |
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static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
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{ |
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VirtIODevice *vdev = dev->vdev; |
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int num_vq;
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for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { |
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if (!virtio_queue_get_num(vdev, num_vq)) {
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break;
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} |
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} |
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return num_vq;
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} |
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static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
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{ |
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ram_addr_t r = bus->next_ring; |
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bus->next_ring += VIRTIO_RING_LEN; |
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return r;
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} |
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void s390_virtio_device_sync(VirtIOS390Device *dev)
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{ |
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VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
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ram_addr_t cur_offs; |
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uint8_t num_vq; |
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int i;
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virtio_reset(dev->vdev); |
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/* Sync dev space */
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stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); |
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stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); |
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stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); |
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stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); |
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num_vq = s390_virtio_device_num_vq(dev); |
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stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); |
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/* Sync virtqueues */
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for (i = 0; i < num_vq; i++) { |
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ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
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(i * VIRTIO_VQCONFIG_LEN); |
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ram_addr_t vring; |
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vring = s390_virtio_next_ring(bus); |
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virtio_queue_set_addr(dev->vdev, i, vring); |
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virtio_queue_set_vector(dev->vdev, i, i); |
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stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
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stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); |
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} |
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cur_offs = dev->dev_offs; |
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cur_offs += VIRTIO_DEV_OFFS_CONFIG; |
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cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; |
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/* Sync feature bitmap */
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stl_le_phys(cur_offs, dev->host_features); |
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dev->feat_offs = cur_offs + dev->feat_len; |
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cur_offs += dev->feat_len * 2;
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/* Sync config space */
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virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config); |
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cpu_physical_memory_write(cur_offs, |
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dev->vdev->config, dev->vdev->config_len); |
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cur_offs += dev->vdev->config_len; |
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} |
375 |
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void s390_virtio_device_update_status(VirtIOS390Device *dev)
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{ |
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VirtIODevice *vdev = dev->vdev; |
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uint32_t features; |
380 |
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virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
382 |
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/* Update guest supported feature bitmap */
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features = bswap32(ldl_be_phys(dev->feat_offs)); |
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virtio_set_features(vdev, features); |
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} |
388 |
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VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) |
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{ |
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return bus->console;
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} |
393 |
|
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/* Find a device by vring address */
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VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
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ram_addr_t mem, |
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int *vq_num)
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{ |
399 |
BusChild *kid; |
400 |
int i;
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401 |
|
402 |
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
403 |
VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
404 |
|
405 |
for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
406 |
if (!virtio_queue_get_addr(dev->vdev, i))
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407 |
break;
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408 |
if (virtio_queue_get_addr(dev->vdev, i) == mem) {
|
409 |
if (vq_num) {
|
410 |
*vq_num = i; |
411 |
} |
412 |
return dev;
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} |
414 |
} |
415 |
} |
416 |
|
417 |
return NULL; |
418 |
} |
419 |
|
420 |
/* Find a device by device descriptor location */
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421 |
VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) |
422 |
{ |
423 |
BusChild *kid; |
424 |
|
425 |
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
426 |
VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
427 |
if (dev->dev_offs == mem) {
|
428 |
return dev;
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429 |
} |
430 |
} |
431 |
|
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return NULL; |
433 |
} |
434 |
|
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/* DeviceState to VirtIOS390Device. Note: used on datapath,
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436 |
* be careful and test performance if you change this.
|
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*/
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static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) |
439 |
{ |
440 |
return container_of(d, VirtIOS390Device, qdev);
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} |
442 |
|
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/* DeviceState to VirtIOS390Device. TODO: use QOM. */
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static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) |
445 |
{ |
446 |
return container_of(d, VirtIOS390Device, qdev);
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} |
448 |
|
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static void virtio_s390_notify(DeviceState *d, uint16_t vector) |
450 |
{ |
451 |
VirtIOS390Device *dev = to_virtio_s390_device_fast(d); |
452 |
uint64_t token = s390_virtio_device_vq_token(dev, vector); |
453 |
S390CPU *cpu = s390_cpu_addr2state(0);
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|
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s390_virtio_irq(cpu, 0, token);
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} |
457 |
|
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static unsigned virtio_s390_get_features(DeviceState *d) |
459 |
{ |
460 |
VirtIOS390Device *dev = to_virtio_s390_device(d); |
461 |
return dev->host_features;
|
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} |
463 |
|
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/**************** S390 Virtio Bus Device Descriptions *******************/
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465 |
|
466 |
static Property s390_virtio_net_properties[] = {
|
467 |
DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf), |
468 |
DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features), |
469 |
DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf), |
470 |
DEFINE_PROP_END_OF_LIST(), |
471 |
}; |
472 |
|
473 |
static void s390_virtio_net_class_init(ObjectClass *klass, void *data) |
474 |
{ |
475 |
DeviceClass *dc = DEVICE_CLASS(klass); |
476 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
477 |
|
478 |
k->init = s390_virtio_net_init; |
479 |
dc->props = s390_virtio_net_properties; |
480 |
} |
481 |
|
482 |
static const TypeInfo s390_virtio_net = { |
483 |
.name = TYPE_VIRTIO_NET_S390, |
484 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
485 |
.instance_size = sizeof(VirtIONetS390),
|
486 |
.instance_init = s390_virtio_net_instance_init, |
487 |
.class_init = s390_virtio_net_class_init, |
488 |
}; |
489 |
|
490 |
static Property s390_virtio_blk_properties[] = {
|
491 |
DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkS390, blk), |
492 |
DEFINE_PROP_END_OF_LIST(), |
493 |
}; |
494 |
|
495 |
static void s390_virtio_blk_class_init(ObjectClass *klass, void *data) |
496 |
{ |
497 |
DeviceClass *dc = DEVICE_CLASS(klass); |
498 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
499 |
|
500 |
k->init = s390_virtio_blk_init; |
501 |
dc->props = s390_virtio_blk_properties; |
502 |
} |
503 |
|
504 |
static const TypeInfo s390_virtio_blk = { |
505 |
.name = "virtio-blk-s390",
|
506 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
507 |
.instance_size = sizeof(VirtIOBlkS390),
|
508 |
.instance_init = s390_virtio_blk_instance_init, |
509 |
.class_init = s390_virtio_blk_class_init, |
510 |
}; |
511 |
|
512 |
static Property s390_virtio_serial_properties[] = {
|
513 |
DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), |
514 |
DEFINE_PROP_END_OF_LIST(), |
515 |
}; |
516 |
|
517 |
static void s390_virtio_serial_class_init(ObjectClass *klass, void *data) |
518 |
{ |
519 |
DeviceClass *dc = DEVICE_CLASS(klass); |
520 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
521 |
|
522 |
k->init = s390_virtio_serial_init; |
523 |
dc->props = s390_virtio_serial_properties; |
524 |
} |
525 |
|
526 |
static const TypeInfo s390_virtio_serial = { |
527 |
.name = TYPE_VIRTIO_SERIAL_S390, |
528 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
529 |
.instance_size = sizeof(VirtIOSerialS390),
|
530 |
.instance_init = s390_virtio_serial_instance_init, |
531 |
.class_init = s390_virtio_serial_class_init, |
532 |
}; |
533 |
|
534 |
static Property s390_virtio_rng_properties[] = {
|
535 |
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
536 |
DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf), |
537 |
DEFINE_PROP_END_OF_LIST(), |
538 |
}; |
539 |
|
540 |
static void s390_virtio_rng_class_init(ObjectClass *klass, void *data) |
541 |
{ |
542 |
DeviceClass *dc = DEVICE_CLASS(klass); |
543 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
544 |
|
545 |
k->init = s390_virtio_rng_init; |
546 |
dc->props = s390_virtio_rng_properties; |
547 |
} |
548 |
|
549 |
static const TypeInfo s390_virtio_rng = { |
550 |
.name = TYPE_VIRTIO_RNG_S390, |
551 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
552 |
.instance_size = sizeof(VirtIORNGS390),
|
553 |
.instance_init = s390_virtio_rng_instance_init, |
554 |
.class_init = s390_virtio_rng_class_init, |
555 |
}; |
556 |
|
557 |
static int s390_virtio_busdev_init(DeviceState *dev) |
558 |
{ |
559 |
VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
560 |
VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); |
561 |
|
562 |
virtio_s390_bus_new(&_dev->bus, _dev); |
563 |
|
564 |
return _info->init(_dev);
|
565 |
} |
566 |
|
567 |
static void s390_virtio_busdev_reset(DeviceState *dev) |
568 |
{ |
569 |
VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
570 |
|
571 |
virtio_reset(_dev->vdev); |
572 |
} |
573 |
|
574 |
static void virtio_s390_device_class_init(ObjectClass *klass, void *data) |
575 |
{ |
576 |
DeviceClass *dc = DEVICE_CLASS(klass); |
577 |
|
578 |
dc->init = s390_virtio_busdev_init; |
579 |
dc->bus_type = TYPE_S390_VIRTIO_BUS; |
580 |
dc->unplug = qdev_simple_unplug_cb; |
581 |
dc->reset = s390_virtio_busdev_reset; |
582 |
} |
583 |
|
584 |
static const TypeInfo virtio_s390_device_info = { |
585 |
.name = TYPE_VIRTIO_S390_DEVICE, |
586 |
.parent = TYPE_DEVICE, |
587 |
.instance_size = sizeof(VirtIOS390Device),
|
588 |
.class_init = virtio_s390_device_class_init, |
589 |
.class_size = sizeof(VirtIOS390DeviceClass),
|
590 |
.abstract = true,
|
591 |
}; |
592 |
|
593 |
static Property s390_virtio_scsi_properties[] = {
|
594 |
DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf), |
595 |
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features), |
596 |
DEFINE_PROP_END_OF_LIST(), |
597 |
}; |
598 |
|
599 |
static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) |
600 |
{ |
601 |
DeviceClass *dc = DEVICE_CLASS(klass); |
602 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
603 |
|
604 |
k->init = s390_virtio_scsi_init; |
605 |
dc->props = s390_virtio_scsi_properties; |
606 |
} |
607 |
|
608 |
static const TypeInfo s390_virtio_scsi = { |
609 |
.name = TYPE_VIRTIO_SCSI_S390, |
610 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
611 |
.instance_size = sizeof(VirtIOSCSIS390),
|
612 |
.instance_init = s390_virtio_scsi_instance_init, |
613 |
.class_init = s390_virtio_scsi_class_init, |
614 |
}; |
615 |
|
616 |
#ifdef CONFIG_VHOST_SCSI
|
617 |
static Property s390_vhost_scsi_properties[] = {
|
618 |
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
619 |
DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf), |
620 |
DEFINE_PROP_END_OF_LIST(), |
621 |
}; |
622 |
|
623 |
static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) |
624 |
{ |
625 |
DeviceClass *dc = DEVICE_CLASS(klass); |
626 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
627 |
|
628 |
k->init = s390_vhost_scsi_init; |
629 |
dc->props = s390_vhost_scsi_properties; |
630 |
} |
631 |
|
632 |
static const TypeInfo s390_vhost_scsi = { |
633 |
.name = TYPE_VHOST_SCSI_S390, |
634 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
635 |
.instance_size = sizeof(VHostSCSIS390),
|
636 |
.instance_init = s390_vhost_scsi_instance_init, |
637 |
.class_init = s390_vhost_scsi_class_init, |
638 |
}; |
639 |
#endif
|
640 |
|
641 |
/***************** S390 Virtio Bus Bridge Device *******************/
|
642 |
/* Only required to have the virtio bus as child in the system bus */
|
643 |
|
644 |
static int s390_virtio_bridge_init(SysBusDevice *dev) |
645 |
{ |
646 |
/* nothing */
|
647 |
return 0; |
648 |
} |
649 |
|
650 |
static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data) |
651 |
{ |
652 |
DeviceClass *dc = DEVICE_CLASS(klass); |
653 |
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
654 |
|
655 |
k->init = s390_virtio_bridge_init; |
656 |
dc->no_user = 1;
|
657 |
} |
658 |
|
659 |
static const TypeInfo s390_virtio_bridge_info = { |
660 |
.name = "s390-virtio-bridge",
|
661 |
.parent = TYPE_SYS_BUS_DEVICE, |
662 |
.instance_size = sizeof(SysBusDevice),
|
663 |
.class_init = s390_virtio_bridge_class_init, |
664 |
}; |
665 |
|
666 |
/* virtio-s390-bus */
|
667 |
|
668 |
static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev) |
669 |
{ |
670 |
DeviceState *qdev = DEVICE(dev); |
671 |
BusState *qbus; |
672 |
char virtio_bus_name[] = "virtio-bus"; |
673 |
|
674 |
qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_S390_BUS, qdev, |
675 |
virtio_bus_name); |
676 |
qbus = BUS(bus); |
677 |
qbus->allow_hotplug = 1;
|
678 |
} |
679 |
|
680 |
static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) |
681 |
{ |
682 |
VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); |
683 |
BusClass *bus_class = BUS_CLASS(klass); |
684 |
bus_class->max_dev = 1;
|
685 |
k->notify = virtio_s390_notify; |
686 |
k->get_features = virtio_s390_get_features; |
687 |
} |
688 |
|
689 |
static const TypeInfo virtio_s390_bus_info = { |
690 |
.name = TYPE_VIRTIO_S390_BUS, |
691 |
.parent = TYPE_VIRTIO_BUS, |
692 |
.instance_size = sizeof(VirtioS390BusState),
|
693 |
.class_init = virtio_s390_bus_class_init, |
694 |
}; |
695 |
|
696 |
static void s390_virtio_register_types(void) |
697 |
{ |
698 |
type_register_static(&virtio_s390_bus_info); |
699 |
type_register_static(&s390_virtio_bus_info); |
700 |
type_register_static(&virtio_s390_device_info); |
701 |
type_register_static(&s390_virtio_serial); |
702 |
type_register_static(&s390_virtio_blk); |
703 |
type_register_static(&s390_virtio_net); |
704 |
type_register_static(&s390_virtio_scsi); |
705 |
#ifdef CONFIG_VHOST_SCSI
|
706 |
type_register_static(&s390_vhost_scsi); |
707 |
#endif
|
708 |
type_register_static(&s390_virtio_rng); |
709 |
type_register_static(&s390_virtio_bridge_info); |
710 |
} |
711 |
|
712 |
type_init(s390_virtio_register_types) |