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f3304eea AG |
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 | ||
b73d3531 | 20 | #include "hw/hw.h" |
737e150e | 21 | #include "block/block.h" |
9c17d615 | 22 | #include "sysemu/sysemu.h" |
b73d3531 | 23 | #include "hw/boards.h" |
83c9089e | 24 | #include "monitor/monitor.h" |
b73d3531 | 25 | #include "hw/loader.h" |
f3304eea | 26 | #include "elf.h" |
0d09e41a PB |
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" | |
d6e51919 | 31 | #include "hw/virtio/vhost-scsi.h" |
f3304eea | 32 | #include "hw/sysbus.h" |
9c17d615 | 33 | #include "sysemu/kvm.h" |
f3304eea | 34 | |
b73d3531 | 35 | #include "hw/s390x/s390-virtio-bus.h" |
0d09e41a | 36 | #include "hw/virtio/virtio-bus.h" |
f3304eea AG |
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 | ||
8103b4d1 AG |
48 | #define VIRTIO_EXT_CODE 0x2603 |
49 | ||
d51fcfac KF |
50 | static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev); |
51 | ||
0d936928 AL |
52 | static const TypeInfo s390_virtio_bus_info = { |
53 | .name = TYPE_S390_VIRTIO_BUS, | |
54 | .parent = TYPE_BUS, | |
55 | .instance_size = sizeof(VirtIOS390Bus), | |
f3304eea AG |
56 | }; |
57 | ||
f3304eea | 58 | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev); |
f3304eea | 59 | |
d1ff903c | 60 | /* length of VirtIO device pages */ |
a8170e5e | 61 | const hwaddr virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
d1ff903c | 62 | |
eb3caa44 JF |
63 | static void s390_virtio_bus_reset(void *opaque) |
64 | { | |
65 | VirtIOS390Bus *bus = opaque; | |
66 | bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; | |
67 | } | |
68 | ||
4170aea1 JF |
69 | void s390_virtio_reset_idx(VirtIOS390Device *dev) |
70 | { | |
71 | int i; | |
a8170e5e | 72 | hwaddr idx_addr; |
4170aea1 JF |
73 | uint8_t num_vq; |
74 | ||
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 | stw_phys(idx_addr, 0); | |
80 | idx_addr = virtio_queue_get_used_addr(dev->vdev, i) + | |
81 | VIRTIO_VRING_USED_IDX_OFFS; | |
82 | stw_phys(idx_addr, 0); | |
83 | } | |
84 | } | |
85 | ||
f3304eea AG |
86 | VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
87 | { | |
88 | VirtIOS390Bus *bus; | |
89 | BusState *_bus; | |
90 | DeviceState *dev; | |
91 | ||
92 | /* Create bridge device */ | |
93 | dev = qdev_create(NULL, "s390-virtio-bridge"); | |
94 | qdev_init_nofail(dev); | |
95 | ||
96 | /* Create bus on bridge device */ | |
97 | ||
0d936928 | 98 | _bus = qbus_create(TYPE_S390_VIRTIO_BUS, dev, "s390-virtio"); |
f3304eea AG |
99 | bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
100 | ||
101 | bus->dev_page = *ram_size; | |
102 | bus->dev_offs = bus->dev_page; | |
103 | bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; | |
104 | ||
7fa41e53 AG |
105 | /* Enable hotplugging */ |
106 | _bus->allow_hotplug = 1; | |
107 | ||
f3304eea AG |
108 | /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */ |
109 | *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; | |
110 | ||
eb3caa44 | 111 | qemu_register_reset(s390_virtio_bus_reset, bus); |
f3304eea AG |
112 | return bus; |
113 | } | |
114 | ||
1bc22652 | 115 | static void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) |
7fa41e53 AG |
116 | { |
117 | if (kvm_enabled()) { | |
1bc22652 | 118 | kvm_s390_virtio_irq(cpu, config_change, token); |
7fa41e53 | 119 | } else { |
f9466733 | 120 | cpu_inject_ext(cpu, VIRTIO_EXT_CODE, config_change, token); |
7fa41e53 AG |
121 | } |
122 | } | |
123 | ||
f3304eea AG |
124 | static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
125 | { | |
126 | VirtIOS390Bus *bus; | |
127 | int dev_len; | |
128 | ||
129 | bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); | |
130 | dev->vdev = vdev; | |
131 | dev->dev_offs = bus->dev_offs; | |
132 | dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ | |
133 | ||
134 | dev_len = VIRTIO_DEV_OFFS_CONFIG; | |
135 | dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; | |
136 | dev_len += dev->feat_len * 2; | |
181103cd | 137 | dev_len += virtio_bus_get_vdev_config_len(&dev->bus); |
f3304eea AG |
138 | |
139 | bus->dev_offs += dev_len; | |
140 | ||
181103cd KF |
141 | dev->host_features = virtio_bus_get_vdev_features(&dev->bus, |
142 | dev->host_features); | |
f3304eea | 143 | s390_virtio_device_sync(dev); |
4170aea1 | 144 | s390_virtio_reset_idx(dev); |
7fa41e53 | 145 | if (dev->qdev.hotplugged) { |
45fa769b | 146 | S390CPU *cpu = s390_cpu_addr2state(0); |
1bc22652 | 147 | s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs); |
7fa41e53 AG |
148 | } |
149 | ||
f3304eea AG |
150 | return 0; |
151 | } | |
152 | ||
74b4fe3d | 153 | static int s390_virtio_net_init(VirtIOS390Device *s390_dev) |
f3304eea | 154 | { |
74b4fe3d KF |
155 | VirtIONetS390 *dev = VIRTIO_NET_S390(s390_dev); |
156 | DeviceState *vdev = DEVICE(&dev->vdev); | |
f3304eea | 157 | |
74b4fe3d KF |
158 | virtio_net_set_config_size(&dev->vdev, s390_dev->host_features); |
159 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); | |
160 | if (qdev_init(vdev) < 0) { | |
f3304eea AG |
161 | return -1; |
162 | } | |
163 | ||
74b4fe3d KF |
164 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
165 | } | |
166 | ||
167 | static void s390_virtio_net_instance_init(Object *obj) | |
168 | { | |
169 | VirtIONetS390 *dev = VIRTIO_NET_S390(obj); | |
170 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_NET); | |
171 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
f3304eea AG |
172 | } |
173 | ||
55d11e01 | 174 | static int s390_virtio_blk_init(VirtIOS390Device *s390_dev) |
f3304eea | 175 | { |
55d11e01 KF |
176 | VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev); |
177 | DeviceState *vdev = DEVICE(&dev->vdev); | |
178 | virtio_blk_set_conf(vdev, &(dev->blk)); | |
179 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); | |
180 | if (qdev_init(vdev) < 0) { | |
f3304eea AG |
181 | return -1; |
182 | } | |
55d11e01 KF |
183 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
184 | } | |
f3304eea | 185 | |
55d11e01 KF |
186 | static void s390_virtio_blk_instance_init(Object *obj) |
187 | { | |
188 | VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj); | |
189 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_BLK); | |
190 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
f3304eea AG |
191 | } |
192 | ||
55169140 | 193 | static int s390_virtio_serial_init(VirtIOS390Device *s390_dev) |
f3304eea | 194 | { |
55169140 KF |
195 | VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(s390_dev); |
196 | DeviceState *vdev = DEVICE(&dev->vdev); | |
197 | DeviceState *qdev = DEVICE(s390_dev); | |
f3304eea | 198 | VirtIOS390Bus *bus; |
f3304eea AG |
199 | int r; |
200 | ||
55169140 | 201 | bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus); |
f3304eea | 202 | |
55169140 KF |
203 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
204 | if (qdev_init(vdev) < 0) { | |
f3304eea AG |
205 | return -1; |
206 | } | |
207 | ||
55169140 | 208 | r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
f3304eea | 209 | if (!r) { |
55169140 | 210 | bus->console = s390_dev; |
f3304eea AG |
211 | } |
212 | ||
213 | return r; | |
214 | } | |
215 | ||
55169140 KF |
216 | static void s390_virtio_serial_instance_init(Object *obj) |
217 | { | |
218 | VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); | |
219 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SERIAL); | |
220 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
221 | } | |
222 | ||
9ef13d8f | 223 | static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) |
973abc7f | 224 | { |
9ef13d8f KF |
225 | VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); |
226 | DeviceState *vdev = DEVICE(&dev->vdev); | |
973abc7f | 227 | |
9ef13d8f KF |
228 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
229 | if (qdev_init(vdev) < 0) { | |
973abc7f SH |
230 | return -1; |
231 | } | |
232 | ||
9ef13d8f KF |
233 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
234 | } | |
235 | ||
236 | static void s390_virtio_scsi_instance_init(Object *obj) | |
237 | { | |
238 | VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj); | |
239 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SCSI); | |
240 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
973abc7f SH |
241 | } |
242 | ||
d6e51919 PB |
243 | #ifdef CONFIG_VHOST_SCSI |
244 | static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev) | |
245 | { | |
246 | VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); | |
247 | DeviceState *vdev = DEVICE(&dev->vdev); | |
248 | ||
249 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); | |
250 | if (qdev_init(vdev) < 0) { | |
251 | return -1; | |
252 | } | |
253 | ||
254 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); | |
255 | } | |
256 | ||
257 | static void s390_vhost_scsi_instance_init(Object *obj) | |
258 | { | |
259 | VHostSCSIS390 *dev = VHOST_SCSI_S390(obj); | |
260 | object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI); | |
261 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
262 | } | |
263 | #endif | |
264 | ||
0bca1f53 KF |
265 | |
266 | static int s390_virtio_rng_init(VirtIOS390Device *s390_dev) | |
16c915ba | 267 | { |
0bca1f53 KF |
268 | VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); |
269 | DeviceState *vdev = DEVICE(&dev->vdev); | |
16c915ba | 270 | |
0bca1f53 KF |
271 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
272 | if (qdev_init(vdev) < 0) { | |
16c915ba AS |
273 | return -1; |
274 | } | |
275 | ||
0bca1f53 KF |
276 | object_property_set_link(OBJECT(dev), |
277 | OBJECT(dev->vdev.conf.default_backend), "rng", | |
278 | NULL); | |
279 | ||
280 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); | |
281 | } | |
282 | ||
283 | static void s390_virtio_rng_instance_init(Object *obj) | |
284 | { | |
285 | VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); | |
286 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_RNG); | |
287 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
288 | object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, | |
289 | (Object **)&dev->vdev.conf.rng, NULL); | |
16c915ba AS |
290 | } |
291 | ||
f3304eea AG |
292 | static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
293 | { | |
294 | ram_addr_t token_off; | |
295 | ||
296 | token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + | |
297 | (vq * VIRTIO_VQCONFIG_LEN) + | |
298 | VIRTIO_VQCONFIG_OFFS_TOKEN; | |
299 | ||
04bc74ed | 300 | return ldq_be_phys(token_off); |
f3304eea AG |
301 | } |
302 | ||
303 | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev) | |
304 | { | |
305 | VirtIODevice *vdev = dev->vdev; | |
306 | int num_vq; | |
307 | ||
308 | for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { | |
309 | if (!virtio_queue_get_num(vdev, num_vq)) { | |
310 | break; | |
311 | } | |
312 | } | |
313 | ||
314 | return num_vq; | |
315 | } | |
316 | ||
317 | static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus) | |
318 | { | |
319 | ram_addr_t r = bus->next_ring; | |
320 | ||
321 | bus->next_ring += VIRTIO_RING_LEN; | |
322 | return r; | |
323 | } | |
324 | ||
baf0b55a | 325 | void s390_virtio_device_sync(VirtIOS390Device *dev) |
f3304eea AG |
326 | { |
327 | VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); | |
328 | ram_addr_t cur_offs; | |
329 | uint8_t num_vq; | |
330 | int i; | |
331 | ||
332 | virtio_reset(dev->vdev); | |
333 | ||
334 | /* Sync dev space */ | |
335 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); | |
336 | ||
337 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); | |
338 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); | |
339 | ||
340 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); | |
341 | ||
342 | num_vq = s390_virtio_device_num_vq(dev); | |
343 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); | |
344 | ||
345 | /* Sync virtqueues */ | |
346 | for (i = 0; i < num_vq; i++) { | |
347 | ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + | |
348 | (i * VIRTIO_VQCONFIG_LEN); | |
349 | ram_addr_t vring; | |
350 | ||
351 | vring = s390_virtio_next_ring(bus); | |
352 | virtio_queue_set_addr(dev->vdev, i, vring); | |
353 | virtio_queue_set_vector(dev->vdev, i, i); | |
04bc74ed AG |
354 | stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
355 | stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); | |
f3304eea AG |
356 | } |
357 | ||
358 | cur_offs = dev->dev_offs; | |
359 | cur_offs += VIRTIO_DEV_OFFS_CONFIG; | |
360 | cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; | |
361 | ||
362 | /* Sync feature bitmap */ | |
04bc74ed | 363 | stl_le_phys(cur_offs, dev->host_features); |
f3304eea AG |
364 | |
365 | dev->feat_offs = cur_offs + dev->feat_len; | |
366 | cur_offs += dev->feat_len * 2; | |
367 | ||
368 | /* Sync config space */ | |
181103cd | 369 | virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config); |
f3304eea | 370 | |
54f7b4a3 SW |
371 | cpu_physical_memory_write(cur_offs, |
372 | dev->vdev->config, dev->vdev->config_len); | |
f3304eea AG |
373 | cur_offs += dev->vdev->config_len; |
374 | } | |
375 | ||
376 | void s390_virtio_device_update_status(VirtIOS390Device *dev) | |
377 | { | |
378 | VirtIODevice *vdev = dev->vdev; | |
379 | uint32_t features; | |
380 | ||
3e607cb5 | 381 | virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
f3304eea AG |
382 | |
383 | /* Update guest supported feature bitmap */ | |
384 | ||
04bc74ed | 385 | features = bswap32(ldl_be_phys(dev->feat_offs)); |
ad0c9332 | 386 | virtio_set_features(vdev, features); |
f3304eea AG |
387 | } |
388 | ||
389 | VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) | |
390 | { | |
391 | return bus->console; | |
392 | } | |
393 | ||
394 | /* Find a device by vring address */ | |
395 | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, | |
396 | ram_addr_t mem, | |
397 | int *vq_num) | |
398 | { | |
0866aca1 | 399 | BusChild *kid; |
f3304eea AG |
400 | int i; |
401 | ||
0866aca1 AL |
402 | QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
403 | VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; | |
404 | ||
f3304eea | 405 | for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
0866aca1 | 406 | if (!virtio_queue_get_addr(dev->vdev, i)) |
f3304eea | 407 | break; |
0866aca1 | 408 | if (virtio_queue_get_addr(dev->vdev, i) == mem) { |
f3304eea AG |
409 | if (vq_num) { |
410 | *vq_num = i; | |
411 | } | |
0866aca1 | 412 | return dev; |
f3304eea AG |
413 | } |
414 | } | |
415 | } | |
416 | ||
417 | return NULL; | |
418 | } | |
419 | ||
420 | /* Find a device by device descriptor location */ | |
421 | VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) | |
422 | { | |
0866aca1 | 423 | BusChild *kid; |
f3304eea | 424 | |
0866aca1 AL |
425 | QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
426 | VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; | |
427 | if (dev->dev_offs == mem) { | |
428 | return dev; | |
f3304eea AG |
429 | } |
430 | } | |
431 | ||
432 | return NULL; | |
433 | } | |
434 | ||
d2a0ccc6 MT |
435 | /* DeviceState to VirtIOS390Device. Note: used on datapath, |
436 | * be careful and test performance if you change this. | |
437 | */ | |
438 | static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) | |
439 | { | |
440 | return container_of(d, VirtIOS390Device, qdev); | |
441 | } | |
442 | ||
443 | /* DeviceState to VirtIOS390Device. TODO: use QOM. */ | |
444 | static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) | |
445 | { | |
446 | return container_of(d, VirtIOS390Device, qdev); | |
447 | } | |
448 | ||
449 | static void virtio_s390_notify(DeviceState *d, uint16_t vector) | |
f3304eea | 450 | { |
d2a0ccc6 | 451 | VirtIOS390Device *dev = to_virtio_s390_device_fast(d); |
f3304eea | 452 | uint64_t token = s390_virtio_device_vq_token(dev, vector); |
45fa769b | 453 | S390CPU *cpu = s390_cpu_addr2state(0); |
f3304eea | 454 | |
1bc22652 | 455 | s390_virtio_irq(cpu, 0, token); |
f3304eea AG |
456 | } |
457 | ||
d2a0ccc6 | 458 | static unsigned virtio_s390_get_features(DeviceState *d) |
8172539d | 459 | { |
d2a0ccc6 | 460 | VirtIOS390Device *dev = to_virtio_s390_device(d); |
8172539d MT |
461 | return dev->host_features; |
462 | } | |
463 | ||
f3304eea AG |
464 | /**************** S390 Virtio Bus Device Descriptions *******************/ |
465 | ||
39bffca2 | 466 | static Property s390_virtio_net_properties[] = { |
74b4fe3d | 467 | DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf), |
35569cea | 468 | DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features), |
74b4fe3d | 469 | DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf), |
39bffca2 AL |
470 | DEFINE_PROP_END_OF_LIST(), |
471 | }; | |
472 | ||
19b6914a AL |
473 | static void s390_virtio_net_class_init(ObjectClass *klass, void *data) |
474 | { | |
39bffca2 AL |
475 | DeviceClass *dc = DEVICE_CLASS(klass); |
476 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 477 | |
39bffca2 AL |
478 | k->init = s390_virtio_net_init; |
479 | dc->props = s390_virtio_net_properties; | |
19b6914a AL |
480 | } |
481 | ||
8c43a6f0 | 482 | static const TypeInfo s390_virtio_net = { |
74b4fe3d | 483 | .name = TYPE_VIRTIO_NET_S390, |
39bffca2 | 484 | .parent = TYPE_VIRTIO_S390_DEVICE, |
74b4fe3d KF |
485 | .instance_size = sizeof(VirtIONetS390), |
486 | .instance_init = s390_virtio_net_instance_init, | |
39bffca2 AL |
487 | .class_init = s390_virtio_net_class_init, |
488 | }; | |
489 | ||
490 | static Property s390_virtio_blk_properties[] = { | |
fe42d7fb | 491 | DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkS390, blk), |
39bffca2 | 492 | DEFINE_PROP_END_OF_LIST(), |
f3304eea AG |
493 | }; |
494 | ||
19b6914a AL |
495 | static void s390_virtio_blk_class_init(ObjectClass *klass, void *data) |
496 | { | |
39bffca2 AL |
497 | DeviceClass *dc = DEVICE_CLASS(klass); |
498 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 499 | |
39bffca2 AL |
500 | k->init = s390_virtio_blk_init; |
501 | dc->props = s390_virtio_blk_properties; | |
19b6914a AL |
502 | } |
503 | ||
8c43a6f0 | 504 | static const TypeInfo s390_virtio_blk = { |
39bffca2 AL |
505 | .name = "virtio-blk-s390", |
506 | .parent = TYPE_VIRTIO_S390_DEVICE, | |
55d11e01 KF |
507 | .instance_size = sizeof(VirtIOBlkS390), |
508 | .instance_init = s390_virtio_blk_instance_init, | |
39bffca2 AL |
509 | .class_init = s390_virtio_blk_class_init, |
510 | }; | |
511 | ||
512 | static Property s390_virtio_serial_properties[] = { | |
55169140 | 513 | DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), |
39bffca2 | 514 | DEFINE_PROP_END_OF_LIST(), |
f3304eea AG |
515 | }; |
516 | ||
19b6914a AL |
517 | static void s390_virtio_serial_class_init(ObjectClass *klass, void *data) |
518 | { | |
39bffca2 AL |
519 | DeviceClass *dc = DEVICE_CLASS(klass); |
520 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 521 | |
39bffca2 AL |
522 | k->init = s390_virtio_serial_init; |
523 | dc->props = s390_virtio_serial_properties; | |
19b6914a AL |
524 | } |
525 | ||
8c43a6f0 | 526 | static const TypeInfo s390_virtio_serial = { |
55169140 | 527 | .name = TYPE_VIRTIO_SERIAL_S390, |
39bffca2 | 528 | .parent = TYPE_VIRTIO_S390_DEVICE, |
55169140 KF |
529 | .instance_size = sizeof(VirtIOSerialS390), |
530 | .instance_init = s390_virtio_serial_instance_init, | |
39bffca2 | 531 | .class_init = s390_virtio_serial_class_init, |
f3304eea AG |
532 | }; |
533 | ||
16c915ba AS |
534 | static void s390_virtio_rng_class_init(ObjectClass *klass, void *data) |
535 | { | |
536 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
537 | ||
538 | k->init = s390_virtio_rng_init; | |
539 | } | |
540 | ||
8c43a6f0 | 541 | static const TypeInfo s390_virtio_rng = { |
0bca1f53 | 542 | .name = TYPE_VIRTIO_RNG_S390, |
16c915ba | 543 | .parent = TYPE_VIRTIO_S390_DEVICE, |
0bca1f53 KF |
544 | .instance_size = sizeof(VirtIORNGS390), |
545 | .instance_init = s390_virtio_rng_instance_init, | |
16c915ba AS |
546 | .class_init = s390_virtio_rng_class_init, |
547 | }; | |
548 | ||
d307af79 | 549 | static int s390_virtio_busdev_init(DeviceState *dev) |
f3304eea | 550 | { |
f3304eea | 551 | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
19b6914a | 552 | VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); |
f3304eea | 553 | |
11e9235b KF |
554 | virtio_s390_bus_new(&_dev->bus, _dev); |
555 | ||
f3304eea AG |
556 | return _info->init(_dev); |
557 | } | |
558 | ||
93726cb3 PB |
559 | static void s390_virtio_busdev_reset(DeviceState *dev) |
560 | { | |
561 | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; | |
562 | ||
563 | virtio_reset(_dev->vdev); | |
564 | } | |
565 | ||
39bffca2 | 566 | static void virtio_s390_device_class_init(ObjectClass *klass, void *data) |
f3304eea | 567 | { |
39bffca2 | 568 | DeviceClass *dc = DEVICE_CLASS(klass); |
f3304eea | 569 | |
39bffca2 | 570 | dc->init = s390_virtio_busdev_init; |
0d936928 | 571 | dc->bus_type = TYPE_S390_VIRTIO_BUS; |
39bffca2 | 572 | dc->unplug = qdev_simple_unplug_cb; |
93726cb3 | 573 | dc->reset = s390_virtio_busdev_reset; |
f3304eea AG |
574 | } |
575 | ||
8c43a6f0 | 576 | static const TypeInfo virtio_s390_device_info = { |
19b6914a AL |
577 | .name = TYPE_VIRTIO_S390_DEVICE, |
578 | .parent = TYPE_DEVICE, | |
579 | .instance_size = sizeof(VirtIOS390Device), | |
39bffca2 | 580 | .class_init = virtio_s390_device_class_init, |
e87f7fc6 | 581 | .class_size = sizeof(VirtIOS390DeviceClass), |
19b6914a AL |
582 | .abstract = true, |
583 | }; | |
584 | ||
973abc7f | 585 | static Property s390_virtio_scsi_properties[] = { |
292c8e50 | 586 | DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf), |
4bfeb18a | 587 | DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features), |
973abc7f SH |
588 | DEFINE_PROP_END_OF_LIST(), |
589 | }; | |
590 | ||
591 | static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) | |
592 | { | |
593 | DeviceClass *dc = DEVICE_CLASS(klass); | |
594 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
595 | ||
596 | k->init = s390_virtio_scsi_init; | |
597 | dc->props = s390_virtio_scsi_properties; | |
598 | } | |
599 | ||
8c43a6f0 | 600 | static const TypeInfo s390_virtio_scsi = { |
9ef13d8f | 601 | .name = TYPE_VIRTIO_SCSI_S390, |
973abc7f | 602 | .parent = TYPE_VIRTIO_S390_DEVICE, |
9ef13d8f KF |
603 | .instance_size = sizeof(VirtIOSCSIS390), |
604 | .instance_init = s390_virtio_scsi_instance_init, | |
973abc7f SH |
605 | .class_init = s390_virtio_scsi_class_init, |
606 | }; | |
f3304eea | 607 | |
d6e51919 PB |
608 | #ifdef CONFIG_VHOST_SCSI |
609 | static Property s390_vhost_scsi_properties[] = { | |
610 | DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), | |
611 | DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf), | |
612 | DEFINE_PROP_END_OF_LIST(), | |
613 | }; | |
614 | ||
615 | static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) | |
616 | { | |
617 | DeviceClass *dc = DEVICE_CLASS(klass); | |
618 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
619 | ||
620 | k->init = s390_vhost_scsi_init; | |
621 | dc->props = s390_vhost_scsi_properties; | |
622 | } | |
623 | ||
624 | static const TypeInfo s390_vhost_scsi = { | |
625 | .name = TYPE_VHOST_SCSI_S390, | |
626 | .parent = TYPE_VIRTIO_S390_DEVICE, | |
627 | .instance_size = sizeof(VHostSCSIS390), | |
628 | .instance_init = s390_vhost_scsi_instance_init, | |
629 | .class_init = s390_vhost_scsi_class_init, | |
630 | }; | |
631 | #endif | |
632 | ||
f3304eea AG |
633 | /***************** S390 Virtio Bus Bridge Device *******************/ |
634 | /* Only required to have the virtio bus as child in the system bus */ | |
635 | ||
636 | static int s390_virtio_bridge_init(SysBusDevice *dev) | |
637 | { | |
638 | /* nothing */ | |
639 | return 0; | |
640 | } | |
641 | ||
999e12bb AL |
642 | static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data) |
643 | { | |
39bffca2 | 644 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb AL |
645 | SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
646 | ||
647 | k->init = s390_virtio_bridge_init; | |
39bffca2 | 648 | dc->no_user = 1; |
999e12bb AL |
649 | } |
650 | ||
8c43a6f0 | 651 | static const TypeInfo s390_virtio_bridge_info = { |
39bffca2 AL |
652 | .name = "s390-virtio-bridge", |
653 | .parent = TYPE_SYS_BUS_DEVICE, | |
654 | .instance_size = sizeof(SysBusDevice), | |
655 | .class_init = s390_virtio_bridge_class_init, | |
f3304eea AG |
656 | }; |
657 | ||
ea35d4f1 KF |
658 | /* virtio-s390-bus */ |
659 | ||
d51fcfac | 660 | static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev) |
ea35d4f1 KF |
661 | { |
662 | DeviceState *qdev = DEVICE(dev); | |
663 | BusState *qbus; | |
664 | qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_S390_BUS, qdev, NULL); | |
665 | qbus = BUS(bus); | |
cbd19063 | 666 | qbus->allow_hotplug = 1; |
ea35d4f1 KF |
667 | } |
668 | ||
669 | static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) | |
670 | { | |
671 | VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); | |
672 | BusClass *bus_class = BUS_CLASS(klass); | |
673 | bus_class->max_dev = 1; | |
674 | k->notify = virtio_s390_notify; | |
675 | k->get_features = virtio_s390_get_features; | |
676 | } | |
677 | ||
678 | static const TypeInfo virtio_s390_bus_info = { | |
679 | .name = TYPE_VIRTIO_S390_BUS, | |
680 | .parent = TYPE_VIRTIO_BUS, | |
681 | .instance_size = sizeof(VirtioS390BusState), | |
682 | .class_init = virtio_s390_bus_class_init, | |
683 | }; | |
684 | ||
83f7d43a | 685 | static void s390_virtio_register_types(void) |
f3304eea | 686 | { |
ea35d4f1 | 687 | type_register_static(&virtio_s390_bus_info); |
0d936928 | 688 | type_register_static(&s390_virtio_bus_info); |
83f7d43a AF |
689 | type_register_static(&virtio_s390_device_info); |
690 | type_register_static(&s390_virtio_serial); | |
691 | type_register_static(&s390_virtio_blk); | |
692 | type_register_static(&s390_virtio_net); | |
973abc7f | 693 | type_register_static(&s390_virtio_scsi); |
b702d2ae | 694 | #ifdef CONFIG_VHOST_SCSI |
d6e51919 | 695 | type_register_static(&s390_vhost_scsi); |
b702d2ae | 696 | #endif |
16c915ba | 697 | type_register_static(&s390_virtio_rng); |
39bffca2 | 698 | type_register_static(&s390_virtio_bridge_info); |
f3304eea AG |
699 | } |
700 | ||
83f7d43a | 701 | type_init(s390_virtio_register_types) |