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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 | 199 | int r; |
80270a19 | 200 | char *bus_name; |
f3304eea | 201 | |
55169140 | 202 | bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus); |
f3304eea | 203 | |
80270a19 KF |
204 | /* |
205 | * For command line compatibility, this sets the virtio-serial-device bus | |
206 | * name as before. | |
207 | */ | |
208 | if (qdev->id) { | |
209 | bus_name = g_strdup_printf("%s.0", qdev->id); | |
210 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
211 | g_free(bus_name); | |
212 | } | |
213 | ||
55169140 KF |
214 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
215 | if (qdev_init(vdev) < 0) { | |
f3304eea AG |
216 | return -1; |
217 | } | |
218 | ||
55169140 | 219 | r = s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
f3304eea | 220 | if (!r) { |
55169140 | 221 | bus->console = s390_dev; |
f3304eea AG |
222 | } |
223 | ||
224 | return r; | |
225 | } | |
226 | ||
55169140 KF |
227 | static void s390_virtio_serial_instance_init(Object *obj) |
228 | { | |
229 | VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); | |
230 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SERIAL); | |
231 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
232 | } | |
233 | ||
9ef13d8f | 234 | static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) |
973abc7f | 235 | { |
9ef13d8f KF |
236 | VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev); |
237 | DeviceState *vdev = DEVICE(&dev->vdev); | |
973abc7f | 238 | |
9ef13d8f KF |
239 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
240 | if (qdev_init(vdev) < 0) { | |
973abc7f SH |
241 | return -1; |
242 | } | |
243 | ||
9ef13d8f KF |
244 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); |
245 | } | |
246 | ||
247 | static void s390_virtio_scsi_instance_init(Object *obj) | |
248 | { | |
249 | VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj); | |
250 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SCSI); | |
251 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
973abc7f SH |
252 | } |
253 | ||
d6e51919 PB |
254 | #ifdef CONFIG_VHOST_SCSI |
255 | static int s390_vhost_scsi_init(VirtIOS390Device *s390_dev) | |
256 | { | |
257 | VHostSCSIS390 *dev = VHOST_SCSI_S390(s390_dev); | |
258 | DeviceState *vdev = DEVICE(&dev->vdev); | |
259 | ||
260 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); | |
261 | if (qdev_init(vdev) < 0) { | |
262 | return -1; | |
263 | } | |
264 | ||
265 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); | |
266 | } | |
267 | ||
268 | static void s390_vhost_scsi_instance_init(Object *obj) | |
269 | { | |
270 | VHostSCSIS390 *dev = VHOST_SCSI_S390(obj); | |
271 | object_initialize(OBJECT(&dev->vdev), TYPE_VHOST_SCSI); | |
272 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
273 | } | |
274 | #endif | |
275 | ||
0bca1f53 KF |
276 | |
277 | static int s390_virtio_rng_init(VirtIOS390Device *s390_dev) | |
16c915ba | 278 | { |
0bca1f53 KF |
279 | VirtIORNGS390 *dev = VIRTIO_RNG_S390(s390_dev); |
280 | DeviceState *vdev = DEVICE(&dev->vdev); | |
16c915ba | 281 | |
0bca1f53 KF |
282 | qdev_set_parent_bus(vdev, BUS(&s390_dev->bus)); |
283 | if (qdev_init(vdev) < 0) { | |
16c915ba AS |
284 | return -1; |
285 | } | |
286 | ||
0bca1f53 KF |
287 | object_property_set_link(OBJECT(dev), |
288 | OBJECT(dev->vdev.conf.default_backend), "rng", | |
289 | NULL); | |
290 | ||
291 | return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev)); | |
292 | } | |
293 | ||
294 | static void s390_virtio_rng_instance_init(Object *obj) | |
295 | { | |
296 | VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); | |
297 | object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_RNG); | |
298 | object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); | |
299 | object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, | |
300 | (Object **)&dev->vdev.conf.rng, NULL); | |
16c915ba AS |
301 | } |
302 | ||
f3304eea AG |
303 | static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
304 | { | |
305 | ram_addr_t token_off; | |
306 | ||
307 | token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + | |
308 | (vq * VIRTIO_VQCONFIG_LEN) + | |
309 | VIRTIO_VQCONFIG_OFFS_TOKEN; | |
310 | ||
04bc74ed | 311 | return ldq_be_phys(token_off); |
f3304eea AG |
312 | } |
313 | ||
314 | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev) | |
315 | { | |
316 | VirtIODevice *vdev = dev->vdev; | |
317 | int num_vq; | |
318 | ||
319 | for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { | |
320 | if (!virtio_queue_get_num(vdev, num_vq)) { | |
321 | break; | |
322 | } | |
323 | } | |
324 | ||
325 | return num_vq; | |
326 | } | |
327 | ||
328 | static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus) | |
329 | { | |
330 | ram_addr_t r = bus->next_ring; | |
331 | ||
332 | bus->next_ring += VIRTIO_RING_LEN; | |
333 | return r; | |
334 | } | |
335 | ||
baf0b55a | 336 | void s390_virtio_device_sync(VirtIOS390Device *dev) |
f3304eea AG |
337 | { |
338 | VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); | |
339 | ram_addr_t cur_offs; | |
340 | uint8_t num_vq; | |
341 | int i; | |
342 | ||
343 | virtio_reset(dev->vdev); | |
344 | ||
345 | /* Sync dev space */ | |
346 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); | |
347 | ||
348 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); | |
349 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); | |
350 | ||
351 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); | |
352 | ||
353 | num_vq = s390_virtio_device_num_vq(dev); | |
354 | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); | |
355 | ||
356 | /* Sync virtqueues */ | |
357 | for (i = 0; i < num_vq; i++) { | |
358 | ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + | |
359 | (i * VIRTIO_VQCONFIG_LEN); | |
360 | ram_addr_t vring; | |
361 | ||
362 | vring = s390_virtio_next_ring(bus); | |
363 | virtio_queue_set_addr(dev->vdev, i, vring); | |
364 | virtio_queue_set_vector(dev->vdev, i, i); | |
04bc74ed AG |
365 | stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
366 | stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); | |
f3304eea AG |
367 | } |
368 | ||
369 | cur_offs = dev->dev_offs; | |
370 | cur_offs += VIRTIO_DEV_OFFS_CONFIG; | |
371 | cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; | |
372 | ||
373 | /* Sync feature bitmap */ | |
04bc74ed | 374 | stl_le_phys(cur_offs, dev->host_features); |
f3304eea AG |
375 | |
376 | dev->feat_offs = cur_offs + dev->feat_len; | |
377 | cur_offs += dev->feat_len * 2; | |
378 | ||
379 | /* Sync config space */ | |
181103cd | 380 | virtio_bus_get_vdev_config(&dev->bus, dev->vdev->config); |
f3304eea | 381 | |
54f7b4a3 SW |
382 | cpu_physical_memory_write(cur_offs, |
383 | dev->vdev->config, dev->vdev->config_len); | |
f3304eea AG |
384 | cur_offs += dev->vdev->config_len; |
385 | } | |
386 | ||
387 | void s390_virtio_device_update_status(VirtIOS390Device *dev) | |
388 | { | |
389 | VirtIODevice *vdev = dev->vdev; | |
390 | uint32_t features; | |
391 | ||
3e607cb5 | 392 | virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
f3304eea AG |
393 | |
394 | /* Update guest supported feature bitmap */ | |
395 | ||
04bc74ed | 396 | features = bswap32(ldl_be_phys(dev->feat_offs)); |
ad0c9332 | 397 | virtio_set_features(vdev, features); |
f3304eea AG |
398 | } |
399 | ||
400 | VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) | |
401 | { | |
402 | return bus->console; | |
403 | } | |
404 | ||
405 | /* Find a device by vring address */ | |
406 | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, | |
407 | ram_addr_t mem, | |
408 | int *vq_num) | |
409 | { | |
0866aca1 | 410 | BusChild *kid; |
f3304eea AG |
411 | int i; |
412 | ||
0866aca1 AL |
413 | QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
414 | VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; | |
415 | ||
f3304eea | 416 | for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
0866aca1 | 417 | if (!virtio_queue_get_addr(dev->vdev, i)) |
f3304eea | 418 | break; |
0866aca1 | 419 | if (virtio_queue_get_addr(dev->vdev, i) == mem) { |
f3304eea AG |
420 | if (vq_num) { |
421 | *vq_num = i; | |
422 | } | |
0866aca1 | 423 | return dev; |
f3304eea AG |
424 | } |
425 | } | |
426 | } | |
427 | ||
428 | return NULL; | |
429 | } | |
430 | ||
431 | /* Find a device by device descriptor location */ | |
432 | VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) | |
433 | { | |
0866aca1 | 434 | BusChild *kid; |
f3304eea | 435 | |
0866aca1 AL |
436 | QTAILQ_FOREACH(kid, &bus->bus.children, sibling) { |
437 | VirtIOS390Device *dev = (VirtIOS390Device *)kid->child; | |
438 | if (dev->dev_offs == mem) { | |
439 | return dev; | |
f3304eea AG |
440 | } |
441 | } | |
442 | ||
443 | return NULL; | |
444 | } | |
445 | ||
d2a0ccc6 MT |
446 | /* DeviceState to VirtIOS390Device. Note: used on datapath, |
447 | * be careful and test performance if you change this. | |
448 | */ | |
449 | static inline VirtIOS390Device *to_virtio_s390_device_fast(DeviceState *d) | |
450 | { | |
451 | return container_of(d, VirtIOS390Device, qdev); | |
452 | } | |
453 | ||
454 | /* DeviceState to VirtIOS390Device. TODO: use QOM. */ | |
455 | static inline VirtIOS390Device *to_virtio_s390_device(DeviceState *d) | |
456 | { | |
457 | return container_of(d, VirtIOS390Device, qdev); | |
458 | } | |
459 | ||
460 | static void virtio_s390_notify(DeviceState *d, uint16_t vector) | |
f3304eea | 461 | { |
d2a0ccc6 | 462 | VirtIOS390Device *dev = to_virtio_s390_device_fast(d); |
f3304eea | 463 | uint64_t token = s390_virtio_device_vq_token(dev, vector); |
45fa769b | 464 | S390CPU *cpu = s390_cpu_addr2state(0); |
f3304eea | 465 | |
1bc22652 | 466 | s390_virtio_irq(cpu, 0, token); |
f3304eea AG |
467 | } |
468 | ||
d2a0ccc6 | 469 | static unsigned virtio_s390_get_features(DeviceState *d) |
8172539d | 470 | { |
d2a0ccc6 | 471 | VirtIOS390Device *dev = to_virtio_s390_device(d); |
8172539d MT |
472 | return dev->host_features; |
473 | } | |
474 | ||
f3304eea AG |
475 | /**************** S390 Virtio Bus Device Descriptions *******************/ |
476 | ||
39bffca2 | 477 | static Property s390_virtio_net_properties[] = { |
74b4fe3d | 478 | DEFINE_NIC_PROPERTIES(VirtIONetS390, vdev.nic_conf), |
35569cea | 479 | DEFINE_VIRTIO_NET_FEATURES(VirtIOS390Device, host_features), |
74b4fe3d | 480 | DEFINE_VIRTIO_NET_PROPERTIES(VirtIONetS390, vdev.net_conf), |
39bffca2 AL |
481 | DEFINE_PROP_END_OF_LIST(), |
482 | }; | |
483 | ||
19b6914a AL |
484 | static void s390_virtio_net_class_init(ObjectClass *klass, void *data) |
485 | { | |
39bffca2 AL |
486 | DeviceClass *dc = DEVICE_CLASS(klass); |
487 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 488 | |
39bffca2 AL |
489 | k->init = s390_virtio_net_init; |
490 | dc->props = s390_virtio_net_properties; | |
19b6914a AL |
491 | } |
492 | ||
8c43a6f0 | 493 | static const TypeInfo s390_virtio_net = { |
74b4fe3d | 494 | .name = TYPE_VIRTIO_NET_S390, |
39bffca2 | 495 | .parent = TYPE_VIRTIO_S390_DEVICE, |
74b4fe3d KF |
496 | .instance_size = sizeof(VirtIONetS390), |
497 | .instance_init = s390_virtio_net_instance_init, | |
39bffca2 AL |
498 | .class_init = s390_virtio_net_class_init, |
499 | }; | |
500 | ||
501 | static Property s390_virtio_blk_properties[] = { | |
fe42d7fb | 502 | DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkS390, blk), |
39bffca2 | 503 | DEFINE_PROP_END_OF_LIST(), |
f3304eea AG |
504 | }; |
505 | ||
19b6914a AL |
506 | static void s390_virtio_blk_class_init(ObjectClass *klass, void *data) |
507 | { | |
39bffca2 AL |
508 | DeviceClass *dc = DEVICE_CLASS(klass); |
509 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 510 | |
39bffca2 AL |
511 | k->init = s390_virtio_blk_init; |
512 | dc->props = s390_virtio_blk_properties; | |
19b6914a AL |
513 | } |
514 | ||
8c43a6f0 | 515 | static const TypeInfo s390_virtio_blk = { |
39bffca2 AL |
516 | .name = "virtio-blk-s390", |
517 | .parent = TYPE_VIRTIO_S390_DEVICE, | |
55d11e01 KF |
518 | .instance_size = sizeof(VirtIOBlkS390), |
519 | .instance_init = s390_virtio_blk_instance_init, | |
39bffca2 AL |
520 | .class_init = s390_virtio_blk_class_init, |
521 | }; | |
522 | ||
523 | static Property s390_virtio_serial_properties[] = { | |
55169140 | 524 | DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), |
39bffca2 | 525 | DEFINE_PROP_END_OF_LIST(), |
f3304eea AG |
526 | }; |
527 | ||
19b6914a AL |
528 | static void s390_virtio_serial_class_init(ObjectClass *klass, void *data) |
529 | { | |
39bffca2 AL |
530 | DeviceClass *dc = DEVICE_CLASS(klass); |
531 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
19b6914a | 532 | |
39bffca2 AL |
533 | k->init = s390_virtio_serial_init; |
534 | dc->props = s390_virtio_serial_properties; | |
19b6914a AL |
535 | } |
536 | ||
8c43a6f0 | 537 | static const TypeInfo s390_virtio_serial = { |
55169140 | 538 | .name = TYPE_VIRTIO_SERIAL_S390, |
39bffca2 | 539 | .parent = TYPE_VIRTIO_S390_DEVICE, |
55169140 KF |
540 | .instance_size = sizeof(VirtIOSerialS390), |
541 | .instance_init = s390_virtio_serial_instance_init, | |
39bffca2 | 542 | .class_init = s390_virtio_serial_class_init, |
f3304eea AG |
543 | }; |
544 | ||
75f6e8b0 KF |
545 | static Property s390_virtio_rng_properties[] = { |
546 | DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), | |
547 | DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf), | |
548 | DEFINE_PROP_END_OF_LIST(), | |
549 | }; | |
550 | ||
16c915ba AS |
551 | static void s390_virtio_rng_class_init(ObjectClass *klass, void *data) |
552 | { | |
75f6e8b0 | 553 | DeviceClass *dc = DEVICE_CLASS(klass); |
16c915ba AS |
554 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); |
555 | ||
556 | k->init = s390_virtio_rng_init; | |
75f6e8b0 | 557 | dc->props = s390_virtio_rng_properties; |
16c915ba AS |
558 | } |
559 | ||
8c43a6f0 | 560 | static const TypeInfo s390_virtio_rng = { |
0bca1f53 | 561 | .name = TYPE_VIRTIO_RNG_S390, |
16c915ba | 562 | .parent = TYPE_VIRTIO_S390_DEVICE, |
0bca1f53 KF |
563 | .instance_size = sizeof(VirtIORNGS390), |
564 | .instance_init = s390_virtio_rng_instance_init, | |
16c915ba AS |
565 | .class_init = s390_virtio_rng_class_init, |
566 | }; | |
567 | ||
d307af79 | 568 | static int s390_virtio_busdev_init(DeviceState *dev) |
f3304eea | 569 | { |
f3304eea | 570 | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
19b6914a | 571 | VirtIOS390DeviceClass *_info = VIRTIO_S390_DEVICE_GET_CLASS(dev); |
f3304eea | 572 | |
11e9235b KF |
573 | virtio_s390_bus_new(&_dev->bus, _dev); |
574 | ||
f3304eea AG |
575 | return _info->init(_dev); |
576 | } | |
577 | ||
93726cb3 PB |
578 | static void s390_virtio_busdev_reset(DeviceState *dev) |
579 | { | |
580 | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; | |
581 | ||
582 | virtio_reset(_dev->vdev); | |
583 | } | |
584 | ||
39bffca2 | 585 | static void virtio_s390_device_class_init(ObjectClass *klass, void *data) |
f3304eea | 586 | { |
39bffca2 | 587 | DeviceClass *dc = DEVICE_CLASS(klass); |
f3304eea | 588 | |
39bffca2 | 589 | dc->init = s390_virtio_busdev_init; |
0d936928 | 590 | dc->bus_type = TYPE_S390_VIRTIO_BUS; |
39bffca2 | 591 | dc->unplug = qdev_simple_unplug_cb; |
93726cb3 | 592 | dc->reset = s390_virtio_busdev_reset; |
f3304eea AG |
593 | } |
594 | ||
8c43a6f0 | 595 | static const TypeInfo virtio_s390_device_info = { |
19b6914a AL |
596 | .name = TYPE_VIRTIO_S390_DEVICE, |
597 | .parent = TYPE_DEVICE, | |
598 | .instance_size = sizeof(VirtIOS390Device), | |
39bffca2 | 599 | .class_init = virtio_s390_device_class_init, |
e87f7fc6 | 600 | .class_size = sizeof(VirtIOS390DeviceClass), |
19b6914a AL |
601 | .abstract = true, |
602 | }; | |
603 | ||
973abc7f | 604 | static Property s390_virtio_scsi_properties[] = { |
292c8e50 | 605 | DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf), |
4bfeb18a | 606 | DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features), |
973abc7f SH |
607 | DEFINE_PROP_END_OF_LIST(), |
608 | }; | |
609 | ||
610 | static void s390_virtio_scsi_class_init(ObjectClass *klass, void *data) | |
611 | { | |
612 | DeviceClass *dc = DEVICE_CLASS(klass); | |
613 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
614 | ||
615 | k->init = s390_virtio_scsi_init; | |
616 | dc->props = s390_virtio_scsi_properties; | |
617 | } | |
618 | ||
8c43a6f0 | 619 | static const TypeInfo s390_virtio_scsi = { |
9ef13d8f | 620 | .name = TYPE_VIRTIO_SCSI_S390, |
973abc7f | 621 | .parent = TYPE_VIRTIO_S390_DEVICE, |
9ef13d8f KF |
622 | .instance_size = sizeof(VirtIOSCSIS390), |
623 | .instance_init = s390_virtio_scsi_instance_init, | |
973abc7f SH |
624 | .class_init = s390_virtio_scsi_class_init, |
625 | }; | |
f3304eea | 626 | |
d6e51919 PB |
627 | #ifdef CONFIG_VHOST_SCSI |
628 | static Property s390_vhost_scsi_properties[] = { | |
629 | DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), | |
630 | DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf), | |
631 | DEFINE_PROP_END_OF_LIST(), | |
632 | }; | |
633 | ||
634 | static void s390_vhost_scsi_class_init(ObjectClass *klass, void *data) | |
635 | { | |
636 | DeviceClass *dc = DEVICE_CLASS(klass); | |
637 | VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass); | |
638 | ||
639 | k->init = s390_vhost_scsi_init; | |
640 | dc->props = s390_vhost_scsi_properties; | |
641 | } | |
642 | ||
643 | static const TypeInfo s390_vhost_scsi = { | |
644 | .name = TYPE_VHOST_SCSI_S390, | |
645 | .parent = TYPE_VIRTIO_S390_DEVICE, | |
646 | .instance_size = sizeof(VHostSCSIS390), | |
647 | .instance_init = s390_vhost_scsi_instance_init, | |
648 | .class_init = s390_vhost_scsi_class_init, | |
649 | }; | |
650 | #endif | |
651 | ||
f3304eea AG |
652 | /***************** S390 Virtio Bus Bridge Device *******************/ |
653 | /* Only required to have the virtio bus as child in the system bus */ | |
654 | ||
655 | static int s390_virtio_bridge_init(SysBusDevice *dev) | |
656 | { | |
657 | /* nothing */ | |
658 | return 0; | |
659 | } | |
660 | ||
999e12bb AL |
661 | static void s390_virtio_bridge_class_init(ObjectClass *klass, void *data) |
662 | { | |
39bffca2 | 663 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb AL |
664 | SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
665 | ||
666 | k->init = s390_virtio_bridge_init; | |
39bffca2 | 667 | dc->no_user = 1; |
999e12bb AL |
668 | } |
669 | ||
8c43a6f0 | 670 | static const TypeInfo s390_virtio_bridge_info = { |
39bffca2 AL |
671 | .name = "s390-virtio-bridge", |
672 | .parent = TYPE_SYS_BUS_DEVICE, | |
673 | .instance_size = sizeof(SysBusDevice), | |
674 | .class_init = s390_virtio_bridge_class_init, | |
f3304eea AG |
675 | }; |
676 | ||
ea35d4f1 KF |
677 | /* virtio-s390-bus */ |
678 | ||
d51fcfac | 679 | static void virtio_s390_bus_new(VirtioBusState *bus, VirtIOS390Device *dev) |
ea35d4f1 KF |
680 | { |
681 | DeviceState *qdev = DEVICE(dev); | |
682 | BusState *qbus; | |
f4dd69aa KF |
683 | char virtio_bus_name[] = "virtio-bus"; |
684 | ||
685 | qbus_create_inplace((BusState *)bus, TYPE_VIRTIO_S390_BUS, qdev, | |
686 | virtio_bus_name); | |
ea35d4f1 | 687 | qbus = BUS(bus); |
cbd19063 | 688 | qbus->allow_hotplug = 1; |
ea35d4f1 KF |
689 | } |
690 | ||
691 | static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) | |
692 | { | |
693 | VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); | |
694 | BusClass *bus_class = BUS_CLASS(klass); | |
695 | bus_class->max_dev = 1; | |
696 | k->notify = virtio_s390_notify; | |
697 | k->get_features = virtio_s390_get_features; | |
698 | } | |
699 | ||
700 | static const TypeInfo virtio_s390_bus_info = { | |
701 | .name = TYPE_VIRTIO_S390_BUS, | |
702 | .parent = TYPE_VIRTIO_BUS, | |
703 | .instance_size = sizeof(VirtioS390BusState), | |
704 | .class_init = virtio_s390_bus_class_init, | |
705 | }; | |
706 | ||
83f7d43a | 707 | static void s390_virtio_register_types(void) |
f3304eea | 708 | { |
ea35d4f1 | 709 | type_register_static(&virtio_s390_bus_info); |
0d936928 | 710 | type_register_static(&s390_virtio_bus_info); |
83f7d43a AF |
711 | type_register_static(&virtio_s390_device_info); |
712 | type_register_static(&s390_virtio_serial); | |
713 | type_register_static(&s390_virtio_blk); | |
714 | type_register_static(&s390_virtio_net); | |
973abc7f | 715 | type_register_static(&s390_virtio_scsi); |
b702d2ae | 716 | #ifdef CONFIG_VHOST_SCSI |
d6e51919 | 717 | type_register_static(&s390_vhost_scsi); |
b702d2ae | 718 | #endif |
16c915ba | 719 | type_register_static(&s390_virtio_rng); |
39bffca2 | 720 | type_register_static(&s390_virtio_bridge_info); |
f3304eea AG |
721 | } |
722 | ||
83f7d43a | 723 | type_init(s390_virtio_register_types) |