2 * QEMU S390 virtio target
4 * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "sysemu/block-backend.h"
22 #include "sysemu/sysemu.h"
23 #include "hw/boards.h"
24 #include "hw/loader.h"
26 #include "hw/virtio/virtio.h"
27 #include "hw/virtio/virtio-rng.h"
28 #include "hw/virtio/virtio-serial.h"
29 #include "hw/virtio/virtio-net.h"
30 #include "hw/virtio/vhost-scsi.h"
31 #include "hw/sysbus.h"
32 #include "sysemu/kvm.h"
34 #include "hw/s390x/s390-virtio-bus.h"
35 #include "hw/virtio/virtio-bus.h"
37 /* #define DEBUG_S390 */
40 #define DPRINTF(fmt, ...) \
41 do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
43 #define DPRINTF(fmt, ...) \
47 #define VIRTIO_S390_QUEUE_MAX 64
49 static void virtio_s390_bus_new(VirtioBusState
*bus
, size_t bus_size
,
50 VirtIOS390Device
*dev
);
52 static const TypeInfo s390_virtio_bus_info
= {
53 .name
= TYPE_S390_VIRTIO_BUS
,
55 .instance_size
= sizeof(VirtIOS390Bus
),
58 static ram_addr_t
s390_virtio_device_num_vq(VirtIOS390Device
*dev
);
60 /* length of VirtIO device pages */
61 const hwaddr virtio_size
= S390_DEVICE_PAGES
* TARGET_PAGE_SIZE
;
63 static void s390_virtio_bus_reset(void *opaque
)
65 VirtIOS390Bus
*bus
= opaque
;
66 bus
->next_ring
= bus
->dev_page
+ TARGET_PAGE_SIZE
;
69 void s390_virtio_reset_idx(VirtIOS390Device
*dev
)
75 num_vq
= s390_virtio_device_num_vq(dev
);
76 for (i
= 0; i
< num_vq
; i
++) {
77 idx_addr
= virtio_queue_get_avail_addr(dev
->vdev
, i
) +
78 VIRTIO_VRING_AVAIL_IDX_OFFS
;
79 address_space_stw(&address_space_memory
, idx_addr
, 0,
80 MEMTXATTRS_UNSPECIFIED
, NULL
);
81 idx_addr
= virtio_queue_get_avail_addr(dev
->vdev
, i
) +
82 virtio_queue_get_avail_size(dev
->vdev
, i
);
83 address_space_stw(&address_space_memory
, idx_addr
, 0,
84 MEMTXATTRS_UNSPECIFIED
, NULL
);
85 idx_addr
= virtio_queue_get_used_addr(dev
->vdev
, i
) +
86 VIRTIO_VRING_USED_IDX_OFFS
;
87 address_space_stw(&address_space_memory
, idx_addr
, 0,
88 MEMTXATTRS_UNSPECIFIED
, NULL
);
89 idx_addr
= virtio_queue_get_used_addr(dev
->vdev
, i
) +
90 virtio_queue_get_used_size(dev
->vdev
, i
);
91 address_space_stw(&address_space_memory
, idx_addr
, 0,
92 MEMTXATTRS_UNSPECIFIED
, NULL
);
96 VirtIOS390Bus
*s390_virtio_bus_init(ram_addr_t
*ram_size
)
102 /* Create bridge device */
103 dev
= qdev_create(NULL
, "s390-virtio-bridge");
104 qdev_init_nofail(dev
);
106 /* Create bus on bridge device */
108 _bus
= qbus_create(TYPE_S390_VIRTIO_BUS
, dev
, "s390-virtio");
109 bus
= DO_UPCAST(VirtIOS390Bus
, bus
, _bus
);
111 bus
->dev_page
= *ram_size
;
112 bus
->dev_offs
= bus
->dev_page
;
113 bus
->next_ring
= bus
->dev_page
+ TARGET_PAGE_SIZE
;
115 /* Enable hotplugging */
116 qbus_set_hotplug_handler(_bus
, dev
, &error_abort
);
118 /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
119 *ram_size
+= S390_DEVICE_PAGES
* TARGET_PAGE_SIZE
;
121 qemu_register_reset(s390_virtio_bus_reset
, bus
);
125 static void s390_virtio_device_init(VirtIOS390Device
*dev
,
131 bus
= DO_UPCAST(VirtIOS390Bus
, bus
, dev
->qdev
.parent_bus
);
133 dev
->dev_offs
= bus
->dev_offs
;
134 dev
->feat_len
= sizeof(uint32_t); /* always keep 32 bits features */
136 dev_len
= VIRTIO_DEV_OFFS_CONFIG
;
137 dev_len
+= s390_virtio_device_num_vq(dev
) * VIRTIO_VQCONFIG_LEN
;
138 dev_len
+= dev
->feat_len
* 2;
139 dev_len
+= virtio_bus_get_vdev_config_len(&dev
->bus
);
141 bus
->dev_offs
+= dev_len
;
143 s390_virtio_device_sync(dev
);
144 s390_virtio_reset_idx(dev
);
145 if (dev
->qdev
.hotplugged
) {
146 s390_virtio_irq(VIRTIO_PARAM_DEV_ADD
, dev
->dev_offs
);
150 static void s390_virtio_net_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
152 DeviceState
*qdev
= DEVICE(s390_dev
);
153 VirtIONetS390
*dev
= VIRTIO_NET_S390(s390_dev
);
154 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
157 virtio_net_set_netclient_name(&dev
->vdev
, qdev
->id
,
158 object_get_typename(OBJECT(qdev
)));
159 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
160 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
162 error_propagate(errp
, err
);
166 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
169 static void s390_virtio_net_instance_init(Object
*obj
)
171 VirtIONetS390
*dev
= VIRTIO_NET_S390(obj
);
173 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
175 object_property_add_alias(obj
, "bootindex", OBJECT(&dev
->vdev
),
176 "bootindex", &error_abort
);
179 static void s390_virtio_blk_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
181 VirtIOBlkS390
*dev
= VIRTIO_BLK_S390(s390_dev
);
182 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
185 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
186 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
188 error_propagate(errp
, err
);
191 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
194 static void s390_virtio_blk_instance_init(Object
*obj
)
196 VirtIOBlkS390
*dev
= VIRTIO_BLK_S390(obj
);
198 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
200 object_property_add_alias(obj
, "iothread", OBJECT(&dev
->vdev
),"iothread",
202 object_property_add_alias(obj
, "bootindex", OBJECT(&dev
->vdev
),
203 "bootindex", &error_abort
);
206 static void s390_virtio_serial_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
208 VirtIOSerialS390
*dev
= VIRTIO_SERIAL_S390(s390_dev
);
209 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
210 DeviceState
*qdev
= DEVICE(s390_dev
);
215 bus
= DO_UPCAST(VirtIOS390Bus
, bus
, qdev
->parent_bus
);
218 * For command line compatibility, this sets the virtio-serial-device bus
222 bus_name
= g_strdup_printf("%s.0", qdev
->id
);
223 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev
), bus_name
);
227 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
228 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
230 error_propagate(errp
, err
);
234 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
235 bus
->console
= s390_dev
;
238 static void s390_virtio_serial_instance_init(Object
*obj
)
240 VirtIOSerialS390
*dev
= VIRTIO_SERIAL_S390(obj
);
242 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
246 static void s390_virtio_scsi_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
248 VirtIOSCSIS390
*dev
= VIRTIO_SCSI_S390(s390_dev
);
249 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
250 DeviceState
*qdev
= DEVICE(s390_dev
);
255 * For command line compatibility, this sets the virtio-scsi-device bus
259 bus_name
= g_strdup_printf("%s.0", qdev
->id
);
260 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev
), bus_name
);
264 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
265 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
267 error_propagate(errp
, err
);
271 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
274 static void s390_virtio_scsi_instance_init(Object
*obj
)
276 VirtIOSCSIS390
*dev
= VIRTIO_SCSI_S390(obj
);
278 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
282 #ifdef CONFIG_VHOST_SCSI
283 static void s390_vhost_scsi_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
285 VHostSCSIS390
*dev
= VHOST_SCSI_S390(s390_dev
);
286 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
289 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
290 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
292 error_propagate(errp
, err
);
296 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
299 static void s390_vhost_scsi_instance_init(Object
*obj
)
301 VHostSCSIS390
*dev
= VHOST_SCSI_S390(obj
);
303 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
309 static void s390_virtio_rng_realize(VirtIOS390Device
*s390_dev
, Error
**errp
)
311 VirtIORNGS390
*dev
= VIRTIO_RNG_S390(s390_dev
);
312 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
315 qdev_set_parent_bus(vdev
, BUS(&s390_dev
->bus
));
316 object_property_set_bool(OBJECT(vdev
), true, "realized", &err
);
318 error_propagate(errp
, err
);
322 object_property_set_link(OBJECT(dev
),
323 OBJECT(dev
->vdev
.conf
.rng
), "rng",
326 s390_virtio_device_init(s390_dev
, VIRTIO_DEVICE(vdev
));
329 static void s390_virtio_rng_instance_init(Object
*obj
)
331 VirtIORNGS390
*dev
= VIRTIO_RNG_S390(obj
);
333 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
335 object_property_add_alias(obj
, "rng", OBJECT(&dev
->vdev
),
336 "rng", &error_abort
);
339 static uint64_t s390_virtio_device_vq_token(VirtIOS390Device
*dev
, int vq
)
341 ram_addr_t token_off
;
343 token_off
= (dev
->dev_offs
+ VIRTIO_DEV_OFFS_CONFIG
) +
344 (vq
* VIRTIO_VQCONFIG_LEN
) +
345 VIRTIO_VQCONFIG_OFFS_TOKEN
;
347 return address_space_ldq_be(&address_space_memory
, token_off
,
348 MEMTXATTRS_UNSPECIFIED
, NULL
);
351 static ram_addr_t
s390_virtio_device_num_vq(VirtIOS390Device
*dev
)
353 VirtIODevice
*vdev
= dev
->vdev
;
356 for (num_vq
= 0; num_vq
< VIRTIO_S390_QUEUE_MAX
; num_vq
++) {
357 if (!virtio_queue_get_num(vdev
, num_vq
)) {
365 static ram_addr_t
s390_virtio_next_ring(VirtIOS390Bus
*bus
)
367 ram_addr_t r
= bus
->next_ring
;
369 bus
->next_ring
+= VIRTIO_RING_LEN
;
373 void s390_virtio_device_sync(VirtIOS390Device
*dev
)
375 VirtIOS390Bus
*bus
= DO_UPCAST(VirtIOS390Bus
, bus
, dev
->qdev
.parent_bus
);
380 virtio_reset(dev
->vdev
);
383 address_space_stb(&address_space_memory
,
384 dev
->dev_offs
+ VIRTIO_DEV_OFFS_TYPE
,
385 dev
->vdev
->device_id
,
386 MEMTXATTRS_UNSPECIFIED
,
389 address_space_stb(&address_space_memory
,
390 dev
->dev_offs
+ VIRTIO_DEV_OFFS_NUM_VQ
,
391 s390_virtio_device_num_vq(dev
),
392 MEMTXATTRS_UNSPECIFIED
,
394 address_space_stb(&address_space_memory
,
395 dev
->dev_offs
+ VIRTIO_DEV_OFFS_FEATURE_LEN
,
397 MEMTXATTRS_UNSPECIFIED
,
400 address_space_stb(&address_space_memory
,
401 dev
->dev_offs
+ VIRTIO_DEV_OFFS_CONFIG_LEN
,
402 dev
->vdev
->config_len
,
403 MEMTXATTRS_UNSPECIFIED
,
406 num_vq
= s390_virtio_device_num_vq(dev
);
407 address_space_stb(&address_space_memory
,
408 dev
->dev_offs
+ VIRTIO_DEV_OFFS_NUM_VQ
, num_vq
,
409 MEMTXATTRS_UNSPECIFIED
, NULL
);
411 /* Sync virtqueues */
412 for (i
= 0; i
< num_vq
; i
++) {
413 ram_addr_t vq
= (dev
->dev_offs
+ VIRTIO_DEV_OFFS_CONFIG
) +
414 (i
* VIRTIO_VQCONFIG_LEN
);
417 vring
= s390_virtio_next_ring(bus
);
418 virtio_queue_set_addr(dev
->vdev
, i
, vring
);
419 virtio_queue_set_vector(dev
->vdev
, i
, i
);
420 address_space_stq_be(&address_space_memory
,
421 vq
+ VIRTIO_VQCONFIG_OFFS_ADDRESS
, vring
,
422 MEMTXATTRS_UNSPECIFIED
, NULL
);
423 address_space_stw_be(&address_space_memory
,
424 vq
+ VIRTIO_VQCONFIG_OFFS_NUM
,
425 virtio_queue_get_num(dev
->vdev
, i
),
426 MEMTXATTRS_UNSPECIFIED
,
430 cur_offs
= dev
->dev_offs
;
431 cur_offs
+= VIRTIO_DEV_OFFS_CONFIG
;
432 cur_offs
+= num_vq
* VIRTIO_VQCONFIG_LEN
;
434 /* Sync feature bitmap */
435 address_space_stl_le(&address_space_memory
, cur_offs
,
436 dev
->vdev
->host_features
,
437 MEMTXATTRS_UNSPECIFIED
, NULL
);
439 dev
->feat_offs
= cur_offs
+ dev
->feat_len
;
440 cur_offs
+= dev
->feat_len
* 2;
442 /* Sync config space */
443 virtio_bus_get_vdev_config(&dev
->bus
, dev
->vdev
->config
);
445 cpu_physical_memory_write(cur_offs
,
446 dev
->vdev
->config
, dev
->vdev
->config_len
);
447 cur_offs
+= dev
->vdev
->config_len
;
450 void s390_virtio_device_update_status(VirtIOS390Device
*dev
)
452 VirtIODevice
*vdev
= dev
->vdev
;
455 virtio_set_status(vdev
,
456 address_space_ldub(&address_space_memory
,
457 dev
->dev_offs
+ VIRTIO_DEV_OFFS_STATUS
,
458 MEMTXATTRS_UNSPECIFIED
, NULL
));
460 /* Update guest supported feature bitmap */
462 features
= bswap32(address_space_ldl_be(&address_space_memory
,
464 MEMTXATTRS_UNSPECIFIED
, NULL
));
465 virtio_set_features(vdev
, features
);
468 /* Find a device by vring address */
469 VirtIOS390Device
*s390_virtio_bus_find_vring(VirtIOS390Bus
*bus
,
476 QTAILQ_FOREACH(kid
, &bus
->bus
.children
, sibling
) {
477 VirtIOS390Device
*dev
= (VirtIOS390Device
*)kid
->child
;
479 for (i
= 0; i
< VIRTIO_S390_QUEUE_MAX
; i
++) {
480 if (!virtio_queue_get_addr(dev
->vdev
, i
))
482 if (virtio_queue_get_addr(dev
->vdev
, i
) == mem
) {
494 /* Find a device by device descriptor location */
495 VirtIOS390Device
*s390_virtio_bus_find_mem(VirtIOS390Bus
*bus
, ram_addr_t mem
)
499 QTAILQ_FOREACH(kid
, &bus
->bus
.children
, sibling
) {
500 VirtIOS390Device
*dev
= (VirtIOS390Device
*)kid
->child
;
501 if (dev
->dev_offs
== mem
) {
509 /* DeviceState to VirtIOS390Device. Note: used on datapath,
510 * be careful and test performance if you change this.
512 static inline VirtIOS390Device
*to_virtio_s390_device_fast(DeviceState
*d
)
514 return container_of(d
, VirtIOS390Device
, qdev
);
517 /* DeviceState to VirtIOS390Device. TODO: use QOM. */
518 static inline VirtIOS390Device
*to_virtio_s390_device(DeviceState
*d
)
520 return container_of(d
, VirtIOS390Device
, qdev
);
523 static void virtio_s390_notify(DeviceState
*d
, uint16_t vector
)
525 VirtIOS390Device
*dev
= to_virtio_s390_device_fast(d
);
526 uint64_t token
= s390_virtio_device_vq_token(dev
, vector
);
528 s390_virtio_irq(0, token
);
531 static void virtio_s390_device_plugged(DeviceState
*d
, Error
**errp
)
533 VirtIOS390Device
*dev
= to_virtio_s390_device(d
);
534 VirtIODevice
*vdev
= virtio_bus_get_device(&dev
->bus
);
535 int n
= virtio_get_num_queues(vdev
);
537 if (n
> VIRTIO_S390_QUEUE_MAX
) {
538 error_setg(errp
, "The nubmer of virtqueues %d "
539 "exceeds s390 limit %d", n
,
540 VIRTIO_S390_QUEUE_MAX
);
544 /**************** S390 Virtio Bus Device Descriptions *******************/
546 static void s390_virtio_net_class_init(ObjectClass
*klass
, void *data
)
548 DeviceClass
*dc
= DEVICE_CLASS(klass
);
549 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
551 k
->realize
= s390_virtio_net_realize
;
552 set_bit(DEVICE_CATEGORY_NETWORK
, dc
->categories
);
555 static const TypeInfo s390_virtio_net
= {
556 .name
= TYPE_VIRTIO_NET_S390
,
557 .parent
= TYPE_VIRTIO_S390_DEVICE
,
558 .instance_size
= sizeof(VirtIONetS390
),
559 .instance_init
= s390_virtio_net_instance_init
,
560 .class_init
= s390_virtio_net_class_init
,
563 static void s390_virtio_blk_class_init(ObjectClass
*klass
, void *data
)
565 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
566 DeviceClass
*dc
= DEVICE_CLASS(klass
);
568 k
->realize
= s390_virtio_blk_realize
;
569 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
572 static const TypeInfo s390_virtio_blk
= {
573 .name
= "virtio-blk-s390",
574 .parent
= TYPE_VIRTIO_S390_DEVICE
,
575 .instance_size
= sizeof(VirtIOBlkS390
),
576 .instance_init
= s390_virtio_blk_instance_init
,
577 .class_init
= s390_virtio_blk_class_init
,
580 static Property s390_virtio_serial_properties
[] = {
581 DEFINE_PROP_END_OF_LIST(),
584 static void s390_virtio_serial_class_init(ObjectClass
*klass
, void *data
)
586 DeviceClass
*dc
= DEVICE_CLASS(klass
);
587 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
589 k
->realize
= s390_virtio_serial_realize
;
590 dc
->props
= s390_virtio_serial_properties
;
591 set_bit(DEVICE_CATEGORY_INPUT
, dc
->categories
);
594 static const TypeInfo s390_virtio_serial
= {
595 .name
= TYPE_VIRTIO_SERIAL_S390
,
596 .parent
= TYPE_VIRTIO_S390_DEVICE
,
597 .instance_size
= sizeof(VirtIOSerialS390
),
598 .instance_init
= s390_virtio_serial_instance_init
,
599 .class_init
= s390_virtio_serial_class_init
,
602 static void s390_virtio_rng_class_init(ObjectClass
*klass
, void *data
)
604 DeviceClass
*dc
= DEVICE_CLASS(klass
);
605 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
607 k
->realize
= s390_virtio_rng_realize
;
608 set_bit(DEVICE_CATEGORY_MISC
, dc
->categories
);
611 static const TypeInfo s390_virtio_rng
= {
612 .name
= TYPE_VIRTIO_RNG_S390
,
613 .parent
= TYPE_VIRTIO_S390_DEVICE
,
614 .instance_size
= sizeof(VirtIORNGS390
),
615 .instance_init
= s390_virtio_rng_instance_init
,
616 .class_init
= s390_virtio_rng_class_init
,
619 static void s390_virtio_busdev_realize(DeviceState
*dev
, Error
**errp
)
621 VirtIOS390Device
*_dev
= (VirtIOS390Device
*)dev
;
622 VirtIOS390DeviceClass
*_info
= VIRTIO_S390_DEVICE_GET_CLASS(dev
);
624 virtio_s390_bus_new(&_dev
->bus
, sizeof(_dev
->bus
), _dev
);
626 _info
->realize(_dev
, errp
);
629 static void s390_virtio_busdev_reset(DeviceState
*dev
)
631 VirtIOS390Device
*_dev
= (VirtIOS390Device
*)dev
;
633 virtio_reset(_dev
->vdev
);
636 static void virtio_s390_device_class_init(ObjectClass
*klass
, void *data
)
638 DeviceClass
*dc
= DEVICE_CLASS(klass
);
640 dc
->realize
= s390_virtio_busdev_realize
;
641 dc
->bus_type
= TYPE_S390_VIRTIO_BUS
;
642 dc
->reset
= s390_virtio_busdev_reset
;
645 static const TypeInfo virtio_s390_device_info
= {
646 .name
= TYPE_VIRTIO_S390_DEVICE
,
647 .parent
= TYPE_DEVICE
,
648 .instance_size
= sizeof(VirtIOS390Device
),
649 .class_init
= virtio_s390_device_class_init
,
650 .class_size
= sizeof(VirtIOS390DeviceClass
),
654 static void s390_virtio_scsi_class_init(ObjectClass
*klass
, void *data
)
656 DeviceClass
*dc
= DEVICE_CLASS(klass
);
657 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
659 k
->realize
= s390_virtio_scsi_realize
;
660 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
663 static const TypeInfo s390_virtio_scsi
= {
664 .name
= TYPE_VIRTIO_SCSI_S390
,
665 .parent
= TYPE_VIRTIO_S390_DEVICE
,
666 .instance_size
= sizeof(VirtIOSCSIS390
),
667 .instance_init
= s390_virtio_scsi_instance_init
,
668 .class_init
= s390_virtio_scsi_class_init
,
671 #ifdef CONFIG_VHOST_SCSI
672 static void s390_vhost_scsi_class_init(ObjectClass
*klass
, void *data
)
674 DeviceClass
*dc
= DEVICE_CLASS(klass
);
675 VirtIOS390DeviceClass
*k
= VIRTIO_S390_DEVICE_CLASS(klass
);
677 k
->realize
= s390_vhost_scsi_realize
;
678 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
681 static const TypeInfo s390_vhost_scsi
= {
682 .name
= TYPE_VHOST_SCSI_S390
,
683 .parent
= TYPE_VIRTIO_S390_DEVICE
,
684 .instance_size
= sizeof(VHostSCSIS390
),
685 .instance_init
= s390_vhost_scsi_instance_init
,
686 .class_init
= s390_vhost_scsi_class_init
,
690 /***************** S390 Virtio Bus Bridge Device *******************/
691 /* Only required to have the virtio bus as child in the system bus */
693 static int s390_virtio_bridge_init(SysBusDevice
*dev
)
699 static void s390_virtio_bridge_class_init(ObjectClass
*klass
, void *data
)
701 SysBusDeviceClass
*k
= SYS_BUS_DEVICE_CLASS(klass
);
702 DeviceClass
*dc
= DEVICE_CLASS(klass
);
704 k
->init
= s390_virtio_bridge_init
;
705 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
708 static const TypeInfo s390_virtio_bridge_info
= {
709 .name
= "s390-virtio-bridge",
710 .parent
= TYPE_SYS_BUS_DEVICE
,
711 .instance_size
= sizeof(SysBusDevice
),
712 .class_init
= s390_virtio_bridge_class_init
,
713 .interfaces
= (InterfaceInfo
[]) {
714 { TYPE_HOTPLUG_HANDLER
},
719 /* virtio-s390-bus */
721 static void virtio_s390_bus_new(VirtioBusState
*bus
, size_t bus_size
,
722 VirtIOS390Device
*dev
)
724 DeviceState
*qdev
= DEVICE(dev
);
725 char virtio_bus_name
[] = "virtio-bus";
727 qbus_create_inplace(bus
, bus_size
, TYPE_VIRTIO_S390_BUS
,
728 qdev
, virtio_bus_name
);
731 static void virtio_s390_bus_class_init(ObjectClass
*klass
, void *data
)
733 VirtioBusClass
*k
= VIRTIO_BUS_CLASS(klass
);
734 BusClass
*bus_class
= BUS_CLASS(klass
);
735 bus_class
->max_dev
= 1;
736 k
->notify
= virtio_s390_notify
;
737 k
->device_plugged
= virtio_s390_device_plugged
;
740 static const TypeInfo virtio_s390_bus_info
= {
741 .name
= TYPE_VIRTIO_S390_BUS
,
742 .parent
= TYPE_VIRTIO_BUS
,
743 .instance_size
= sizeof(VirtioS390BusState
),
744 .class_init
= virtio_s390_bus_class_init
,
747 static void s390_virtio_register_types(void)
749 type_register_static(&virtio_s390_bus_info
);
750 type_register_static(&s390_virtio_bus_info
);
751 type_register_static(&virtio_s390_device_info
);
752 type_register_static(&s390_virtio_serial
);
753 type_register_static(&s390_virtio_blk
);
754 type_register_static(&s390_virtio_net
);
755 type_register_static(&s390_virtio_scsi
);
756 #ifdef CONFIG_VHOST_SCSI
757 type_register_static(&s390_vhost_scsi
);
759 type_register_static(&s390_virtio_rng
);
760 type_register_static(&s390_virtio_bridge_info
);
763 type_init(s390_virtio_register_types
)