root / hw / s390x / s390-virtio-bus.c @ 2c17449b
History | View | Annotate | Download (21.7 kB)
1 |
/*
|
---|---|
2 |
* QEMU S390 virtio target
|
3 |
*
|
4 |
* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
|
5 |
*
|
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.
|
10 |
*
|
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.
|
15 |
*
|
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/>.
|
18 |
*/
|
19 |
|
20 |
#include "hw/hw.h" |
21 |
#include "block/block.h" |
22 |
#include "sysemu/sysemu.h" |
23 |
#include "hw/boards.h" |
24 |
#include "monitor/monitor.h" |
25 |
#include "hw/loader.h" |
26 |
#include "elf.h" |
27 |
#include "hw/virtio/virtio.h" |
28 |
#include "hw/virtio/virtio-rng.h" |
29 |
#include "hw/virtio/virtio-serial.h" |
30 |
#include "hw/virtio/virtio-net.h" |
31 |
#include "hw/virtio/vhost-scsi.h" |
32 |
#include "hw/sysbus.h" |
33 |
#include "sysemu/kvm.h" |
34 |
|
35 |
#include "hw/s390x/s390-virtio-bus.h" |
36 |
#include "hw/virtio/virtio-bus.h" |
37 |
|
38 |
/* #define DEBUG_S390 */
|
39 |
|
40 |
#ifdef DEBUG_S390
|
41 |
#define DPRINTF(fmt, ...) \
|
42 |
do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
43 |
#else
|
44 |
#define DPRINTF(fmt, ...) \
|
45 |
do { } while (0) |
46 |
#endif
|
47 |
|
48 |
#define VIRTIO_EXT_CODE 0x2603 |
49 |
|
50 |
static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size, |
51 |
VirtIOS390Device *dev); |
52 |
|
53 |
static const TypeInfo s390_virtio_bus_info = { |
54 |
.name = TYPE_S390_VIRTIO_BUS, |
55 |
.parent = TYPE_BUS, |
56 |
.instance_size = sizeof(VirtIOS390Bus),
|
57 |
}; |
58 |
|
59 |
static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
|
60 |
|
61 |
/* length of VirtIO device pages */
|
62 |
const hwaddr virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
|
63 |
|
64 |
static void s390_virtio_bus_reset(void *opaque) |
65 |
{ |
66 |
VirtIOS390Bus *bus = opaque; |
67 |
bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
68 |
} |
69 |
|
70 |
void s390_virtio_reset_idx(VirtIOS390Device *dev)
|
71 |
{ |
72 |
int i;
|
73 |
hwaddr idx_addr; |
74 |
uint8_t num_vq; |
75 |
|
76 |
num_vq = s390_virtio_device_num_vq(dev); |
77 |
for (i = 0; i < num_vq; i++) { |
78 |
idx_addr = virtio_queue_get_avail_addr(dev->vdev, i) + |
79 |
VIRTIO_VRING_AVAIL_IDX_OFFS; |
80 |
stw_phys(idx_addr, 0);
|
81 |
idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + |
82 |
VIRTIO_VRING_USED_IDX_OFFS; |
83 |
stw_phys(idx_addr, 0);
|
84 |
} |
85 |
} |
86 |
|
87 |
VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
88 |
{ |
89 |
VirtIOS390Bus *bus; |
90 |
BusState *_bus; |
91 |
DeviceState *dev; |
92 |
|
93 |
/* Create bridge device */
|
94 |
dev = qdev_create(NULL, "s390-virtio-bridge"); |
95 |
qdev_init_nofail(dev); |
96 |
|
97 |
/* Create bus on bridge device */
|
98 |
|
99 |
_bus = qbus_create(TYPE_S390_VIRTIO_BUS, dev, "s390-virtio");
|
100 |
bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
101 |
|
102 |
bus->dev_page = *ram_size; |
103 |
bus->dev_offs = bus->dev_page; |
104 |
bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
105 |
|
106 |
/* Enable hotplugging */
|
107 |
_bus->allow_hotplug = 1;
|
108 |
|
109 |
/* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
|
110 |
*ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
111 |
|
112 |
qemu_register_reset(s390_virtio_bus_reset, bus); |
113 |
return bus;
|
114 |
} |
115 |
|
116 |
static void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) |
117 |
{ |
118 |
if (kvm_enabled()) {
|
119 |
kvm_s390_virtio_irq(cpu, config_change, token); |
120 |
} else {
|
121 |
cpu_inject_ext(cpu, VIRTIO_EXT_CODE, config_change, token); |
122 |
} |
123 |
} |
124 |
|
125 |
static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
126 |
{ |
127 |
VirtIOS390Bus *bus; |
128 |
int dev_len;
|
129 |
|
130 |
bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
131 |
dev->vdev = vdev; |
132 |
dev->dev_offs = bus->dev_offs; |
133 |
dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ |
134 |
|
135 |
dev_len = VIRTIO_DEV_OFFS_CONFIG; |
136 |
dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; |
137 |
dev_len += dev->feat_len * 2;
|
138 |
dev_len += virtio_bus_get_vdev_config_len(&dev->bus); |
139 |
|
140 |
bus->dev_offs += dev_len; |
141 |
|
142 |
dev->host_features = virtio_bus_get_vdev_features(&dev->bus, |
143 |
dev->host_features); |
144 |
s390_virtio_device_sync(dev); |
145 |
s390_virtio_reset_idx(dev); |
146 |
if (dev->qdev.hotplugged) {
|
147 |
S390CPU *cpu = s390_cpu_addr2state(0);
|
148 |
s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs); |
149 |
} |
150 |
|
151 |
return 0; |
152 |
} |
153 |
|
154 |
static int s390_virtio_net_init(VirtIOS390Device *s390_dev) |
155 |
{ |
156 |
DeviceState *qdev = DEVICE(s390_dev); |
157 |
VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev); |
158 |
DeviceState *vdev = DEVICE(&dev->vdev); |
159 |
|
160 |
virtio_net_set_config_size(&dev->vdev, s390_dev->host_features); |
161 |
virtio_net_set_netclient_name(&dev->vdev, qdev->id, |
162 |
object_get_typename(OBJECT(qdev))); |
163 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
164 |
if (qdev_init(vdev) < 0) { |
165 |
return -1; |
166 |
} |
167 |
|
168 |
return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
|
169 |
} |
170 |
|
171 |
static void s390_virtio_net_instance_init(Object *obj) |
172 |
{ |
173 |
VirtIONetS390 *dev = VIRTIO_NET_S390(obj); |
174 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_NET);
|
175 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
176 |
} |
177 |
|
178 |
static int s390_virtio_blk_init(VirtIOS390Device *s390_dev) |
179 |
{ |
180 |
VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev); |
181 |
DeviceState *vdev = DEVICE(&dev->vdev); |
182 |
virtio_blk_set_conf(vdev, &(dev->blk)); |
183 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
184 |
if (qdev_init(vdev) < 0) { |
185 |
return -1; |
186 |
} |
187 |
return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
|
188 |
} |
189 |
|
190 |
static void s390_virtio_blk_instance_init(Object *obj) |
191 |
{ |
192 |
VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj); |
193 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BLK);
|
194 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
195 |
} |
196 |
|
197 |
static int s390_virtio_serial_init(VirtIOS390Device *s390_dev) |
198 |
{ |
199 |
VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev); |
200 |
DeviceState *vdev = DEVICE(&dev->vdev); |
201 |
DeviceState *qdev = DEVICE(s390_dev); |
202 |
VirtIOS390Bus *bus; |
203 |
int r;
|
204 |
char *bus_name;
|
205 |
|
206 |
bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus); |
207 |
|
208 |
/*
|
209 |
* For command line compatibility, this sets the virtio-serial-device bus
|
210 |
* name as before.
|
211 |
*/
|
212 |
if (qdev->id) {
|
213 |
bus_name = g_strdup_printf("%s.0", qdev->id);
|
214 |
virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); |
215 |
g_free(bus_name); |
216 |
} |
217 |
|
218 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
219 |
if (qdev_init(vdev) < 0) { |
220 |
return -1; |
221 |
} |
222 |
|
223 |
r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
224 |
if (!r) {
|
225 |
bus->console = s390_dev; |
226 |
} |
227 |
|
228 |
return r;
|
229 |
} |
230 |
|
231 |
static void s390_virtio_serial_instance_init(Object *obj) |
232 |
{ |
233 |
VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); |
234 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL);
|
235 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
236 |
} |
237 |
|
238 |
static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) |
239 |
{ |
240 |
VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); |
241 |
DeviceState *vdev = DEVICE(&dev->vdev); |
242 |
DeviceState *qdev = DEVICE(s390_dev); |
243 |
char *bus_name;
|
244 |
|
245 |
/*
|
246 |
* For command line compatibility, this sets the virtio-scsi-device bus
|
247 |
* name as before.
|
248 |
*/
|
249 |
if (qdev->id) {
|
250 |
bus_name = g_strdup_printf("%s.0", qdev->id);
|
251 |
virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); |
252 |
g_free(bus_name); |
253 |
} |
254 |
|
255 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
256 |
if (qdev_init(vdev) < 0) { |
257 |
return -1; |
258 |
} |
259 |
|
260 |
return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
|
261 |
} |
262 |
|
263 |
static void s390_virtio_scsi_instance_init(Object *obj) |
264 |
{ |
265 |
VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj); |
266 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
|
267 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
268 |
} |
269 |
|
270 |
#ifdef CONFIG_VHOST_SCSI
|
271 |
static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev) |
272 |
{ |
273 |
VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); |
274 |
DeviceState *vdev = DEVICE(&dev->vdev); |
275 |
|
276 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
277 |
if (qdev_init(vdev) < 0) { |
278 |
return -1; |
279 |
} |
280 |
|
281 |
return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
|
282 |
} |
283 |
|
284 |
static void s390_vhost_scsi_instance_init(Object *obj) |
285 |
{ |
286 |
VHostSCSIS390 *dev = VHOST_SCSI_S390(obj); |
287 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
|
288 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
289 |
} |
290 |
#endif
|
291 |
|
292 |
|
293 |
static int s390_virtio_rng_init(VirtIOS390Device *s390_dev) |
294 |
{ |
295 |
VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); |
296 |
DeviceState *vdev = DEVICE(&dev->vdev); |
297 |
|
298 |
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
299 |
if (qdev_init(vdev) < 0) { |
300 |
return -1; |
301 |
} |
302 |
|
303 |
object_property_set_link(OBJECT(dev), |
304 |
OBJECT(dev->vdev.conf.rng), "rng",
|
305 |
NULL);
|
306 |
|
307 |
return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
|
308 |
} |
309 |
|
310 |
static void s390_virtio_rng_instance_init(Object *obj) |
311 |
{ |
312 |
VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); |
313 |
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG);
|
314 |
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); |
315 |
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
|
316 |
(Object **)&dev->vdev.conf.rng, NULL);
|
317 |
} |
318 |
|
319 |
static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
320 |
{ |
321 |
ram_addr_t token_off; |
322 |
|
323 |
token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
324 |
(vq * VIRTIO_VQCONFIG_LEN) + |
325 |
VIRTIO_VQCONFIG_OFFS_TOKEN; |
326 |
|
327 |
return ldq_be_phys(&address_space_memory, token_off);
|
328 |
} |
329 |
|
330 |
static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
|
331 |
{ |
332 |
VirtIODevice *vdev = dev->vdev; |
333 |
int num_vq;
|
334 |
|
335 |
for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { |
336 |
if (!virtio_queue_get_num(vdev, num_vq)) {
|
337 |
break;
|
338 |
} |
339 |
} |
340 |
|
341 |
return num_vq;
|
342 |
} |
343 |
|
344 |
static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
|
345 |
{ |
346 |
ram_addr_t r = bus->next_ring; |
347 |
|
348 |
bus->next_ring += VIRTIO_RING_LEN; |
349 |
return r;
|
350 |
} |
351 |
|
352 |
void s390_virtio_device_sync(VirtIOS390Device *dev)
|
353 |
{ |
354 |
VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
355 |
ram_addr_t cur_offs; |
356 |
uint8_t num_vq; |
357 |
int i;
|
358 |
|
359 |
virtio_reset(dev->vdev); |
360 |
|
361 |
/* Sync dev space */
|
362 |
stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); |
363 |
|
364 |
stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); |
365 |
stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); |
366 |
|
367 |
stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); |
368 |
|
369 |
num_vq = s390_virtio_device_num_vq(dev); |
370 |
stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); |
371 |
|
372 |
/* Sync virtqueues */
|
373 |
for (i = 0; i < num_vq; i++) { |
374 |
ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
375 |
(i * VIRTIO_VQCONFIG_LEN); |
376 |
ram_addr_t vring; |
377 |
|
378 |
vring = s390_virtio_next_ring(bus); |
379 |
virtio_queue_set_addr(dev->vdev, i, vring); |
380 |
virtio_queue_set_vector(dev->vdev, i, i); |
381 |
stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
382 |
stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); |
383 |
} |
384 |
|
385 |
cur_offs = dev->dev_offs; |
386 |
cur_offs += VIRTIO_DEV_OFFS_CONFIG; |
387 |
cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; |
388 |
|
389 |
/* Sync feature bitmap */
|
390 |
stl_le_phys(cur_offs, dev->host_features); |
391 |
|
392 |
dev->feat_offs = cur_offs + dev->feat_len; |
393 |
cur_offs += dev->feat_len * 2;
|
394 |
|
395 |
/* Sync config space */
|
396 |
virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config); |
397 |
|
398 |
cpu_physical_memory_write(cur_offs, |
399 |
dev->vdev->config, dev->vdev->config_len); |
400 |
cur_offs += dev->vdev->config_len; |
401 |
} |
402 |
|
403 |
void s390_virtio_device_update_status(VirtIOS390Device *dev)
|
404 |
{ |
405 |
VirtIODevice *vdev = dev->vdev; |
406 |
uint32_t features; |
407 |
|
408 |
virtio_set_status(vdev, ldub_phys(&address_space_memory, |
409 |
dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
410 |
|
411 |
/* Update guest supported feature bitmap */
|
412 |
|
413 |
features = bswap32(ldl_be_phys(&address_space_memory, dev->feat_offs)); |
414 |
virtio_set_features(vdev, features); |
415 |
} |
416 |
|
417 |
VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) |
418 |
{ |
419 |
return bus->console;
|
420 |
} |
421 |
|
422 |
/* Find a device by vring address */
|
423 |
VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
424 |
ram_addr_t mem, |
425 |
int *vq_num)
|
426 |
{ |
427 |
BusChild *kid; |
428 |
int i;
|
429 |
|
430 |
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
431 |
VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
432 |
|
433 |
for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
434 |
if (!virtio_queue_get_addr(dev->vdev, i))
|
435 |
break;
|
436 |
if (virtio_queue_get_addr(dev->vdev, i) == mem) {
|
437 |
if (vq_num) {
|
438 |
*vq_num = i; |
439 |
} |
440 |
return dev;
|
441 |
} |
442 |
} |
443 |
} |
444 |
|
445 |
return NULL; |
446 |
} |
447 |
|
448 |
/* Find a device by device descriptor location */
|
449 |
VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) |
450 |
{ |
451 |
BusChild *kid; |
452 |
|
453 |
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
454 |
VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; |
455 |
if (dev->dev_offs == mem) {
|
456 |
return dev;
|
457 |
} |
458 |
} |
459 |
|
460 |
return NULL; |
461 |
} |
462 |
|
463 |
/* DeviceState to VirtIOS390Device. Note: used on datapath,
|
464 |
* be careful and test performance if you change this.
|
465 |
*/
|
466 |
static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) |
467 |
{ |
468 |
return container_of(d, VirtIOS390Device, qdev);
|
469 |
} |
470 |
|
471 |
/* DeviceState to VirtIOS390Device. TODO: use QOM. */
|
472 |
static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) |
473 |
{ |
474 |
return container_of(d, VirtIOS390Device, qdev);
|
475 |
} |
476 |
|
477 |
static void virtio_s390_notify(DeviceState *d, uint16_t vector) |
478 |
{ |
479 |
VirtIOS390Device *dev = to_virtio_s390_device_fast(d); |
480 |
uint64_t token = s390_virtio_device_vq_token(dev, vector); |
481 |
S390CPU *cpu = s390_cpu_addr2state(0);
|
482 |
|
483 |
s390_virtio_irq(cpu, 0, token);
|
484 |
} |
485 |
|
486 |
static unsigned virtio_s390_get_features(DeviceState *d) |
487 |
{ |
488 |
VirtIOS390Device *dev = to_virtio_s390_device(d); |
489 |
return dev->host_features;
|
490 |
} |
491 |
|
492 |
/**************** S390 Virtio Bus Device Descriptions *******************/
|
493 |
|
494 |
static Property s390_virtio_net_properties[] = {
|
495 |
DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf), |
496 |
DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features), |
497 |
DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf), |
498 |
DEFINE_PROP_END_OF_LIST(), |
499 |
}; |
500 |
|
501 |
static void s390_virtio_net_class_init(ObjectClass *klass, void *data) |
502 |
{ |
503 |
DeviceClass *dc = DEVICE_CLASS(klass); |
504 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
505 |
|
506 |
k->init = s390_virtio_net_init; |
507 |
dc->props = s390_virtio_net_properties; |
508 |
} |
509 |
|
510 |
static const TypeInfo s390_virtio_net = { |
511 |
.name = TYPE_VIRTIO_NET_S390, |
512 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
513 |
.instance_size = sizeof(VirtIONetS390),
|
514 |
.instance_init = s390_virtio_net_instance_init, |
515 |
.class_init = s390_virtio_net_class_init, |
516 |
}; |
517 |
|
518 |
static Property s390_virtio_blk_properties[] = {
|
519 |
DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkS390, blk), |
520 |
DEFINE_PROP_END_OF_LIST(), |
521 |
}; |
522 |
|
523 |
static void s390_virtio_blk_class_init(ObjectClass *klass, void *data) |
524 |
{ |
525 |
DeviceClass *dc = DEVICE_CLASS(klass); |
526 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
527 |
|
528 |
k->init = s390_virtio_blk_init; |
529 |
dc->props = s390_virtio_blk_properties; |
530 |
} |
531 |
|
532 |
static const TypeInfo s390_virtio_blk = { |
533 |
.name = "virtio-blk-s390",
|
534 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
535 |
.instance_size = sizeof(VirtIOBlkS390),
|
536 |
.instance_init = s390_virtio_blk_instance_init, |
537 |
.class_init = s390_virtio_blk_class_init, |
538 |
}; |
539 |
|
540 |
static Property s390_virtio_serial_properties[] = {
|
541 |
DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), |
542 |
DEFINE_PROP_END_OF_LIST(), |
543 |
}; |
544 |
|
545 |
static void s390_virtio_serial_class_init(ObjectClass *klass, void *data) |
546 |
{ |
547 |
DeviceClass *dc = DEVICE_CLASS(klass); |
548 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
549 |
|
550 |
k->init = s390_virtio_serial_init; |
551 |
dc->props = s390_virtio_serial_properties; |
552 |
} |
553 |
|
554 |
static const TypeInfo s390_virtio_serial = { |
555 |
.name = TYPE_VIRTIO_SERIAL_S390, |
556 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
557 |
.instance_size = sizeof(VirtIOSerialS390),
|
558 |
.instance_init = s390_virtio_serial_instance_init, |
559 |
.class_init = s390_virtio_serial_class_init, |
560 |
}; |
561 |
|
562 |
static Property s390_virtio_rng_properties[] = {
|
563 |
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
564 |
DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf), |
565 |
DEFINE_PROP_END_OF_LIST(), |
566 |
}; |
567 |
|
568 |
static void s390_virtio_rng_class_init(ObjectClass *klass, void *data) |
569 |
{ |
570 |
DeviceClass *dc = DEVICE_CLASS(klass); |
571 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
572 |
|
573 |
k->init = s390_virtio_rng_init; |
574 |
dc->props = s390_virtio_rng_properties; |
575 |
} |
576 |
|
577 |
static const TypeInfo s390_virtio_rng = { |
578 |
.name = TYPE_VIRTIO_RNG_S390, |
579 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
580 |
.instance_size = sizeof(VirtIORNGS390),
|
581 |
.instance_init = s390_virtio_rng_instance_init, |
582 |
.class_init = s390_virtio_rng_class_init, |
583 |
}; |
584 |
|
585 |
static int s390_virtio_busdev_init(DeviceState *dev) |
586 |
{ |
587 |
VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
588 |
VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); |
589 |
|
590 |
virtio_s390_bus_new(&_dev->bus, sizeof(_dev->bus), _dev);
|
591 |
|
592 |
return _info->init(_dev);
|
593 |
} |
594 |
|
595 |
static void s390_virtio_busdev_reset(DeviceState *dev) |
596 |
{ |
597 |
VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
598 |
|
599 |
virtio_reset(_dev->vdev); |
600 |
} |
601 |
|
602 |
static void virtio_s390_device_class_init(ObjectClass *klass, void *data) |
603 |
{ |
604 |
DeviceClass *dc = DEVICE_CLASS(klass); |
605 |
|
606 |
dc->init = s390_virtio_busdev_init; |
607 |
dc->bus_type = TYPE_S390_VIRTIO_BUS; |
608 |
dc->unplug = qdev_simple_unplug_cb; |
609 |
dc->reset = s390_virtio_busdev_reset; |
610 |
} |
611 |
|
612 |
static const TypeInfo virtio_s390_device_info = { |
613 |
.name = TYPE_VIRTIO_S390_DEVICE, |
614 |
.parent = TYPE_DEVICE, |
615 |
.instance_size = sizeof(VirtIOS390Device),
|
616 |
.class_init = virtio_s390_device_class_init, |
617 |
.class_size = sizeof(VirtIOS390DeviceClass),
|
618 |
.abstract = true,
|
619 |
}; |
620 |
|
621 |
static Property s390_virtio_scsi_properties[] = {
|
622 |
DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf), |
623 |
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features), |
624 |
DEFINE_PROP_END_OF_LIST(), |
625 |
}; |
626 |
|
627 |
static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) |
628 |
{ |
629 |
DeviceClass *dc = DEVICE_CLASS(klass); |
630 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
631 |
|
632 |
k->init = s390_virtio_scsi_init; |
633 |
dc->props = s390_virtio_scsi_properties; |
634 |
} |
635 |
|
636 |
static const TypeInfo s390_virtio_scsi = { |
637 |
.name = TYPE_VIRTIO_SCSI_S390, |
638 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
639 |
.instance_size = sizeof(VirtIOSCSIS390),
|
640 |
.instance_init = s390_virtio_scsi_instance_init, |
641 |
.class_init = s390_virtio_scsi_class_init, |
642 |
}; |
643 |
|
644 |
#ifdef CONFIG_VHOST_SCSI
|
645 |
static Property s390_vhost_scsi_properties[] = {
|
646 |
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), |
647 |
DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf), |
648 |
DEFINE_PROP_END_OF_LIST(), |
649 |
}; |
650 |
|
651 |
static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) |
652 |
{ |
653 |
DeviceClass *dc = DEVICE_CLASS(klass); |
654 |
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
655 |
|
656 |
k->init = s390_vhost_scsi_init; |
657 |
dc->props = s390_vhost_scsi_properties; |
658 |
} |
659 |
|
660 |
static const TypeInfo s390_vhost_scsi = { |
661 |
.name = TYPE_VHOST_SCSI_S390, |
662 |
.parent = TYPE_VIRTIO_S390_DEVICE, |
663 |
.instance_size = sizeof(VHostSCSIS390),
|
664 |
.instance_init = s390_vhost_scsi_instance_init, |
665 |
.class_init = s390_vhost_scsi_class_init, |
666 |
}; |
667 |
#endif
|
668 |
|
669 |
/***************** S390 Virtio Bus Bridge Device *******************/
|
670 |
/* Only required to have the virtio bus as child in the system bus */
|
671 |
|
672 |
static int s390_virtio_bridge_init(SysBusDevice *dev) |
673 |
{ |
674 |
/* nothing */
|
675 |
return 0; |
676 |
} |
677 |
|
678 |
static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data) |
679 |
{ |
680 |
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
681 |
|
682 |
k->init = s390_virtio_bridge_init; |
683 |
} |
684 |
|
685 |
static const TypeInfo s390_virtio_bridge_info = { |
686 |
.name = "s390-virtio-bridge",
|
687 |
.parent = TYPE_SYS_BUS_DEVICE, |
688 |
.instance_size = sizeof(SysBusDevice),
|
689 |
.class_init = s390_virtio_bridge_class_init, |
690 |
}; |
691 |
|
692 |
/* virtio-s390-bus */
|
693 |
|
694 |
static void virtio_s390_bus_new(VirtioBusState *bus, size_t bus_size, |
695 |
VirtIOS390Device *dev) |
696 |
{ |
697 |
DeviceState *qdev = DEVICE(dev); |
698 |
BusState *qbus; |
699 |
char virtio_bus_name[] = "virtio-bus"; |
700 |
|
701 |
qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_S390_BUS, |
702 |
qdev, virtio_bus_name); |
703 |
qbus = BUS(bus); |
704 |
qbus->allow_hotplug = 1;
|
705 |
} |
706 |
|
707 |
static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) |
708 |
{ |
709 |
VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); |
710 |
BusClass *bus_class = BUS_CLASS(klass); |
711 |
bus_class->max_dev = 1;
|
712 |
k->notify = virtio_s390_notify; |
713 |
k->get_features = virtio_s390_get_features; |
714 |
} |
715 |
|
716 |
static const TypeInfo virtio_s390_bus_info = { |
717 |
.name = TYPE_VIRTIO_S390_BUS, |
718 |
.parent = TYPE_VIRTIO_BUS, |
719 |
.instance_size = sizeof(VirtioS390BusState),
|
720 |
.class_init = virtio_s390_bus_class_init, |
721 |
}; |
722 |
|
723 |
static void s390_virtio_register_types(void) |
724 |
{ |
725 |
type_register_static(&virtio_s390_bus_info); |
726 |
type_register_static(&s390_virtio_bus_info); |
727 |
type_register_static(&virtio_s390_device_info); |
728 |
type_register_static(&s390_virtio_serial); |
729 |
type_register_static(&s390_virtio_blk); |
730 |
type_register_static(&s390_virtio_net); |
731 |
type_register_static(&s390_virtio_scsi); |
732 |
#ifdef CONFIG_VHOST_SCSI
|
733 |
type_register_static(&s390_vhost_scsi); |
734 |
#endif
|
735 |
type_register_static(&s390_virtio_rng); |
736 |
type_register_static(&s390_virtio_bridge_info); |
737 |
} |
738 |
|
739 |
type_init(s390_virtio_register_types) |