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a5cf2bb4 CH |
1 | /* |
2 | * virtio ccw target implementation | |
3 | * | |
de6a9218 | 4 | * Copyright 2012,2015 IBM Corp. |
a5cf2bb4 | 5 | * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> |
de6a9218 | 6 | * Pierre Morel <pmorel@linux.vnet.ibm.com> |
a5cf2bb4 CH |
7 | * |
8 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
9 | * your option) any later version. See the COPYING file in the top-level | |
10 | * directory. | |
11 | */ | |
12 | ||
9615495a | 13 | #include "qemu/osdep.h" |
da34e65c | 14 | #include "qapi/error.h" |
a5cf2bb4 | 15 | #include "hw/hw.h" |
4be74634 | 16 | #include "sysemu/block-backend.h" |
a5cf2bb4 CH |
17 | #include "sysemu/blockdev.h" |
18 | #include "sysemu/sysemu.h" | |
bd3f16ac | 19 | #include "sysemu/kvm.h" |
a5cf2bb4 | 20 | #include "net/net.h" |
0d09e41a PB |
21 | #include "hw/virtio/virtio.h" |
22 | #include "hw/virtio/virtio-serial.h" | |
23 | #include "hw/virtio/virtio-net.h" | |
a5cf2bb4 CH |
24 | #include "hw/sysbus.h" |
25 | #include "qemu/bitops.h" | |
d49b6836 | 26 | #include "qemu/error-report.h" |
c42767f2 | 27 | #include "hw/virtio/virtio-access.h" |
0d09e41a | 28 | #include "hw/virtio/virtio-bus.h" |
d426d9fb CH |
29 | #include "hw/s390x/adapter.h" |
30 | #include "hw/s390x/s390_flic.h" | |
a5cf2bb4 | 31 | |
bd3f16ac PB |
32 | #include "hw/s390x/ioinst.h" |
33 | #include "hw/s390x/css.h" | |
a5cf2bb4 CH |
34 | #include "virtio-ccw.h" |
35 | #include "trace.h" | |
dd70bd0d | 36 | #include "hw/s390x/css-bridge.h" |
a5cf2bb4 | 37 | |
797b6086 HP |
38 | #define NR_CLASSIC_INDICATOR_BITS 64 |
39 | ||
1bf4d7aa AF |
40 | static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, |
41 | VirtioCcwDevice *dev); | |
d51fcfac | 42 | |
a5cf2bb4 CH |
43 | VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) |
44 | { | |
45 | VirtIODevice *vdev = NULL; | |
f24a6840 | 46 | VirtioCcwDevice *dev = sch->driver_data; |
a5cf2bb4 | 47 | |
f24a6840 PB |
48 | if (dev) { |
49 | vdev = virtio_bus_get_device(&dev->bus); | |
a5cf2bb4 CH |
50 | } |
51 | return vdev; | |
52 | } | |
53 | ||
7c55f68a | 54 | static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) |
b4436a0b | 55 | { |
7c55f68a CH |
56 | virtio_bus_start_ioeventfd(&dev->bus); |
57 | } | |
b4436a0b | 58 | |
7c55f68a CH |
59 | static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) |
60 | { | |
61 | virtio_bus_stop_ioeventfd(&dev->bus); | |
b4436a0b CH |
62 | } |
63 | ||
8e93cef1 | 64 | static bool virtio_ccw_ioeventfd_enabled(DeviceState *d) |
b4436a0b | 65 | { |
7c55f68a | 66 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); |
b4436a0b | 67 | |
8e93cef1 | 68 | return (dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) != 0; |
7c55f68a CH |
69 | } |
70 | ||
71 | static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier, | |
72 | int n, bool assign) | |
73 | { | |
74 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
b804e8a6 JL |
75 | CcwDevice *ccw_dev = CCW_DEVICE(dev); |
76 | SubchDev *sch = ccw_dev->sch; | |
7c55f68a CH |
77 | uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; |
78 | ||
79 | return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); | |
b4436a0b CH |
80 | } |
81 | ||
a5cf2bb4 | 82 | /* Communication blocks used by several channel commands. */ |
0db87e0d | 83 | typedef struct VqInfoBlockLegacy { |
a5cf2bb4 CH |
84 | uint64_t queue; |
85 | uint32_t align; | |
86 | uint16_t index; | |
87 | uint16_t num; | |
0db87e0d CH |
88 | } QEMU_PACKED VqInfoBlockLegacy; |
89 | ||
90 | typedef struct VqInfoBlock { | |
91 | uint64_t desc; | |
92 | uint32_t res0; | |
93 | uint16_t index; | |
94 | uint16_t num; | |
95 | uint64_t avail; | |
96 | uint64_t used; | |
a5cf2bb4 CH |
97 | } QEMU_PACKED VqInfoBlock; |
98 | ||
99 | typedef struct VqConfigBlock { | |
100 | uint16_t index; | |
101 | uint16_t num_max; | |
102 | } QEMU_PACKED VqConfigBlock; | |
103 | ||
104 | typedef struct VirtioFeatDesc { | |
105 | uint32_t features; | |
106 | uint8_t index; | |
107 | } QEMU_PACKED VirtioFeatDesc; | |
108 | ||
7e749462 CH |
109 | typedef struct VirtioThinintInfo { |
110 | hwaddr summary_indicator; | |
111 | hwaddr device_indicator; | |
112 | uint64_t ind_bit; | |
113 | uint8_t isc; | |
114 | } QEMU_PACKED VirtioThinintInfo; | |
115 | ||
c42767f2 TH |
116 | typedef struct VirtioRevInfo { |
117 | uint16_t revision; | |
118 | uint16_t length; | |
119 | uint8_t data[0]; | |
120 | } QEMU_PACKED VirtioRevInfo; | |
121 | ||
a5cf2bb4 | 122 | /* Specify where the virtqueues for the subchannel are in guest memory. */ |
0db87e0d CH |
123 | static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info, |
124 | VqInfoBlockLegacy *linfo) | |
a5cf2bb4 | 125 | { |
f24a6840 | 126 | VirtIODevice *vdev = virtio_ccw_get_vdev(sch); |
0db87e0d CH |
127 | uint16_t index = info ? info->index : linfo->index; |
128 | uint16_t num = info ? info->num : linfo->num; | |
129 | uint64_t desc = info ? info->desc : linfo->queue; | |
a5cf2bb4 | 130 | |
b1914b82 | 131 | if (index >= VIRTIO_QUEUE_MAX) { |
a5cf2bb4 CH |
132 | return -EINVAL; |
133 | } | |
134 | ||
135 | /* Current code in virtio.c relies on 4K alignment. */ | |
0db87e0d | 136 | if (linfo && desc && (linfo->align != 4096)) { |
a5cf2bb4 CH |
137 | return -EINVAL; |
138 | } | |
139 | ||
f24a6840 | 140 | if (!vdev) { |
a5cf2bb4 CH |
141 | return -EINVAL; |
142 | } | |
143 | ||
0db87e0d CH |
144 | if (info) { |
145 | virtio_queue_set_rings(vdev, index, desc, info->avail, info->used); | |
146 | } else { | |
147 | virtio_queue_set_addr(vdev, index, desc); | |
148 | } | |
149 | if (!desc) { | |
955cc8c9 | 150 | virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); |
a5cf2bb4 | 151 | } else { |
79cd0c80 CH |
152 | if (info) { |
153 | /* virtio-1 allows changing the ring size. */ | |
8c797e75 | 154 | if (virtio_queue_get_max_num(vdev, index) < num) { |
79cd0c80 CH |
155 | /* Fail if we exceed the maximum number. */ |
156 | return -EINVAL; | |
157 | } | |
158 | virtio_queue_set_num(vdev, index, num); | |
159 | } else if (virtio_queue_get_num(vdev, index) > num) { | |
160 | /* Fail if we don't have a big enough queue. */ | |
a5cf2bb4 CH |
161 | return -EINVAL; |
162 | } | |
79cd0c80 | 163 | /* We ignore possible increased num for legacy for compatibility. */ |
f24a6840 | 164 | virtio_queue_set_vector(vdev, index, index); |
a5cf2bb4 CH |
165 | } |
166 | /* tell notify handler in case of config change */ | |
b1914b82 | 167 | vdev->config_vector = VIRTIO_QUEUE_MAX; |
a5cf2bb4 CH |
168 | return 0; |
169 | } | |
170 | ||
fa8b0ca5 CH |
171 | static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev) |
172 | { | |
b804e8a6 JL |
173 | CcwDevice *ccw_dev = CCW_DEVICE(dev); |
174 | ||
fa8b0ca5 CH |
175 | virtio_ccw_stop_ioeventfd(dev); |
176 | virtio_reset(vdev); | |
177 | if (dev->indicators) { | |
178 | release_indicator(&dev->routes.adapter, dev->indicators); | |
179 | dev->indicators = NULL; | |
180 | } | |
181 | if (dev->indicators2) { | |
182 | release_indicator(&dev->routes.adapter, dev->indicators2); | |
183 | dev->indicators2 = NULL; | |
184 | } | |
185 | if (dev->summary_indicator) { | |
186 | release_indicator(&dev->routes.adapter, dev->summary_indicator); | |
187 | dev->summary_indicator = NULL; | |
188 | } | |
b804e8a6 | 189 | ccw_dev->sch->thinint_active = false; |
fa8b0ca5 CH |
190 | } |
191 | ||
0db87e0d CH |
192 | static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len, |
193 | bool is_legacy) | |
a5cf2bb4 CH |
194 | { |
195 | int ret; | |
196 | VqInfoBlock info; | |
0db87e0d CH |
197 | VqInfoBlockLegacy linfo; |
198 | size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info); | |
199 | ||
200 | if (check_len) { | |
201 | if (ccw.count != info_len) { | |
202 | return -EINVAL; | |
203 | } | |
204 | } else if (ccw.count < info_len) { | |
205 | /* Can't execute command. */ | |
206 | return -EINVAL; | |
207 | } | |
208 | if (!ccw.cda) { | |
209 | return -EFAULT; | |
210 | } | |
211 | if (is_legacy) { | |
212 | linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda, | |
213 | MEMTXATTRS_UNSPECIFIED, NULL); | |
214 | linfo.align = address_space_ldl_be(&address_space_memory, | |
215 | ccw.cda + sizeof(linfo.queue), | |
216 | MEMTXATTRS_UNSPECIFIED, | |
217 | NULL); | |
218 | linfo.index = address_space_lduw_be(&address_space_memory, | |
219 | ccw.cda + sizeof(linfo.queue) | |
220 | + sizeof(linfo.align), | |
221 | MEMTXATTRS_UNSPECIFIED, | |
222 | NULL); | |
223 | linfo.num = address_space_lduw_be(&address_space_memory, | |
224 | ccw.cda + sizeof(linfo.queue) | |
225 | + sizeof(linfo.align) | |
226 | + sizeof(linfo.index), | |
227 | MEMTXATTRS_UNSPECIFIED, | |
228 | NULL); | |
229 | ret = virtio_ccw_set_vqs(sch, NULL, &linfo); | |
230 | } else { | |
231 | info.desc = address_space_ldq_be(&address_space_memory, ccw.cda, | |
232 | MEMTXATTRS_UNSPECIFIED, NULL); | |
233 | info.index = address_space_lduw_be(&address_space_memory, | |
234 | ccw.cda + sizeof(info.desc) | |
235 | + sizeof(info.res0), | |
236 | MEMTXATTRS_UNSPECIFIED, NULL); | |
237 | info.num = address_space_lduw_be(&address_space_memory, | |
238 | ccw.cda + sizeof(info.desc) | |
239 | + sizeof(info.res0) | |
240 | + sizeof(info.index), | |
241 | MEMTXATTRS_UNSPECIFIED, NULL); | |
242 | info.avail = address_space_ldq_be(&address_space_memory, | |
243 | ccw.cda + sizeof(info.desc) | |
244 | + sizeof(info.res0) | |
245 | + sizeof(info.index) | |
246 | + sizeof(info.num), | |
247 | MEMTXATTRS_UNSPECIFIED, NULL); | |
248 | info.used = address_space_ldq_be(&address_space_memory, | |
249 | ccw.cda + sizeof(info.desc) | |
250 | + sizeof(info.res0) | |
251 | + sizeof(info.index) | |
252 | + sizeof(info.num) | |
253 | + sizeof(info.avail), | |
254 | MEMTXATTRS_UNSPECIFIED, NULL); | |
255 | ret = virtio_ccw_set_vqs(sch, &info, NULL); | |
256 | } | |
257 | sch->curr_status.scsw.count = 0; | |
258 | return ret; | |
259 | } | |
260 | ||
261 | static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) | |
262 | { | |
263 | int ret; | |
c42767f2 | 264 | VirtioRevInfo revinfo; |
a5cf2bb4 CH |
265 | uint8_t status; |
266 | VirtioFeatDesc features; | |
267 | void *config; | |
268 | hwaddr indicators; | |
269 | VqConfigBlock vq_config; | |
270 | VirtioCcwDevice *dev = sch->driver_data; | |
f24a6840 | 271 | VirtIODevice *vdev = virtio_ccw_get_vdev(sch); |
a5cf2bb4 CH |
272 | bool check_len; |
273 | int len; | |
274 | hwaddr hw_len; | |
7e749462 | 275 | VirtioThinintInfo *thinint; |
a5cf2bb4 CH |
276 | |
277 | if (!dev) { | |
278 | return -EINVAL; | |
279 | } | |
280 | ||
281 | trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, | |
282 | ccw.cmd_code); | |
283 | check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); | |
284 | ||
47e13dfd HP |
285 | if (dev->force_revision_1 && dev->revision < 0 && |
286 | ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) { | |
287 | /* | |
288 | * virtio-1 drivers must start with negotiating to a revision >= 1, | |
289 | * so post a command reject for all other commands | |
290 | */ | |
291 | return -ENOSYS; | |
292 | } | |
293 | ||
a5cf2bb4 CH |
294 | /* Look at the command. */ |
295 | switch (ccw.cmd_code) { | |
296 | case CCW_CMD_SET_VQ: | |
0db87e0d | 297 | ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1); |
a5cf2bb4 CH |
298 | break; |
299 | case CCW_CMD_VDEV_RESET: | |
fa8b0ca5 | 300 | virtio_ccw_reset_virtio(dev, vdev); |
a5cf2bb4 CH |
301 | ret = 0; |
302 | break; | |
303 | case CCW_CMD_READ_FEAT: | |
304 | if (check_len) { | |
305 | if (ccw.count != sizeof(features)) { | |
306 | ret = -EINVAL; | |
307 | break; | |
308 | } | |
309 | } else if (ccw.count < sizeof(features)) { | |
310 | /* Can't execute command. */ | |
311 | ret = -EINVAL; | |
312 | break; | |
313 | } | |
314 | if (!ccw.cda) { | |
315 | ret = -EFAULT; | |
316 | } else { | |
9b706dbb MT |
317 | VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); |
318 | ||
42874d3a PM |
319 | features.index = address_space_ldub(&address_space_memory, |
320 | ccw.cda | |
321 | + sizeof(features.features), | |
322 | MEMTXATTRS_UNSPECIFIED, | |
323 | NULL); | |
6b8f1020 | 324 | if (features.index == 0) { |
542571d5 CH |
325 | if (dev->revision >= 1) { |
326 | /* Don't offer legacy features for modern devices. */ | |
327 | features.features = (uint32_t) | |
9b706dbb | 328 | (vdev->host_features & ~vdc->legacy_features); |
542571d5 CH |
329 | } else { |
330 | features.features = (uint32_t)vdev->host_features; | |
331 | } | |
b4f8f9df | 332 | } else if ((features.index == 1) && (dev->revision >= 1)) { |
c42767f2 | 333 | /* |
b4f8f9df CH |
334 | * Only offer feature bits beyond 31 if the guest has |
335 | * negotiated at least revision 1. | |
c42767f2 | 336 | */ |
b4f8f9df | 337 | features.features = (uint32_t)(vdev->host_features >> 32); |
a5cf2bb4 CH |
338 | } else { |
339 | /* Return zeroes if the guest supports more feature bits. */ | |
340 | features.features = 0; | |
341 | } | |
42874d3a PM |
342 | address_space_stl_le(&address_space_memory, ccw.cda, |
343 | features.features, MEMTXATTRS_UNSPECIFIED, | |
344 | NULL); | |
a5cf2bb4 CH |
345 | sch->curr_status.scsw.count = ccw.count - sizeof(features); |
346 | ret = 0; | |
347 | } | |
348 | break; | |
349 | case CCW_CMD_WRITE_FEAT: | |
350 | if (check_len) { | |
351 | if (ccw.count != sizeof(features)) { | |
352 | ret = -EINVAL; | |
353 | break; | |
354 | } | |
355 | } else if (ccw.count < sizeof(features)) { | |
356 | /* Can't execute command. */ | |
357 | ret = -EINVAL; | |
358 | break; | |
359 | } | |
360 | if (!ccw.cda) { | |
361 | ret = -EFAULT; | |
362 | } else { | |
42874d3a PM |
363 | features.index = address_space_ldub(&address_space_memory, |
364 | ccw.cda | |
365 | + sizeof(features.features), | |
366 | MEMTXATTRS_UNSPECIFIED, | |
367 | NULL); | |
368 | features.features = address_space_ldl_le(&address_space_memory, | |
369 | ccw.cda, | |
370 | MEMTXATTRS_UNSPECIFIED, | |
371 | NULL); | |
6b8f1020 | 372 | if (features.index == 0) { |
c42767f2 TH |
373 | virtio_set_features(vdev, |
374 | (vdev->guest_features & 0xffffffff00000000ULL) | | |
375 | features.features); | |
b4f8f9df | 376 | } else if ((features.index == 1) && (dev->revision >= 1)) { |
c42767f2 | 377 | /* |
b4f8f9df CH |
378 | * If the guest did not negotiate at least revision 1, |
379 | * we did not offer it any feature bits beyond 31. Such a | |
380 | * guest passing us any bit here is therefore buggy. | |
c42767f2 | 381 | */ |
c42767f2 TH |
382 | virtio_set_features(vdev, |
383 | (vdev->guest_features & 0x00000000ffffffffULL) | | |
384 | ((uint64_t)features.features << 32)); | |
a5cf2bb4 CH |
385 | } else { |
386 | /* | |
387 | * If the guest supports more feature bits, assert that it | |
388 | * passes us zeroes for those we don't support. | |
389 | */ | |
390 | if (features.features) { | |
391 | fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", | |
392 | features.index, features.features); | |
393 | /* XXX: do a unit check here? */ | |
394 | } | |
395 | } | |
396 | sch->curr_status.scsw.count = ccw.count - sizeof(features); | |
397 | ret = 0; | |
398 | } | |
399 | break; | |
400 | case CCW_CMD_READ_CONF: | |
401 | if (check_len) { | |
f24a6840 | 402 | if (ccw.count > vdev->config_len) { |
a5cf2bb4 CH |
403 | ret = -EINVAL; |
404 | break; | |
405 | } | |
406 | } | |
f24a6840 | 407 | len = MIN(ccw.count, vdev->config_len); |
a5cf2bb4 CH |
408 | if (!ccw.cda) { |
409 | ret = -EFAULT; | |
410 | } else { | |
f24a6840 | 411 | virtio_bus_get_vdev_config(&dev->bus, vdev->config); |
a5cf2bb4 | 412 | /* XXX config space endianness */ |
f24a6840 | 413 | cpu_physical_memory_write(ccw.cda, vdev->config, len); |
a5cf2bb4 CH |
414 | sch->curr_status.scsw.count = ccw.count - len; |
415 | ret = 0; | |
416 | } | |
417 | break; | |
418 | case CCW_CMD_WRITE_CONF: | |
419 | if (check_len) { | |
f24a6840 | 420 | if (ccw.count > vdev->config_len) { |
a5cf2bb4 CH |
421 | ret = -EINVAL; |
422 | break; | |
423 | } | |
424 | } | |
f24a6840 | 425 | len = MIN(ccw.count, vdev->config_len); |
a5cf2bb4 CH |
426 | hw_len = len; |
427 | if (!ccw.cda) { | |
428 | ret = -EFAULT; | |
429 | } else { | |
430 | config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); | |
431 | if (!config) { | |
432 | ret = -EFAULT; | |
433 | } else { | |
434 | len = hw_len; | |
435 | /* XXX config space endianness */ | |
f24a6840 | 436 | memcpy(vdev->config, config, len); |
a5cf2bb4 | 437 | cpu_physical_memory_unmap(config, hw_len, 0, hw_len); |
f24a6840 | 438 | virtio_bus_set_vdev_config(&dev->bus, vdev->config); |
a5cf2bb4 CH |
439 | sch->curr_status.scsw.count = ccw.count - len; |
440 | ret = 0; | |
441 | } | |
442 | } | |
443 | break; | |
e32652f7 PM |
444 | case CCW_CMD_READ_STATUS: |
445 | if (check_len) { | |
446 | if (ccw.count != sizeof(status)) { | |
447 | ret = -EINVAL; | |
448 | break; | |
449 | } | |
450 | } else if (ccw.count < sizeof(status)) { | |
451 | /* Can't execute command. */ | |
452 | ret = -EINVAL; | |
453 | break; | |
454 | } | |
455 | if (!ccw.cda) { | |
456 | ret = -EFAULT; | |
457 | } else { | |
458 | address_space_stb(&address_space_memory, ccw.cda, vdev->status, | |
459 | MEMTXATTRS_UNSPECIFIED, NULL); | |
460 | sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);; | |
461 | ret = 0; | |
462 | } | |
463 | break; | |
a5cf2bb4 CH |
464 | case CCW_CMD_WRITE_STATUS: |
465 | if (check_len) { | |
466 | if (ccw.count != sizeof(status)) { | |
467 | ret = -EINVAL; | |
468 | break; | |
469 | } | |
470 | } else if (ccw.count < sizeof(status)) { | |
471 | /* Can't execute command. */ | |
472 | ret = -EINVAL; | |
473 | break; | |
474 | } | |
475 | if (!ccw.cda) { | |
476 | ret = -EFAULT; | |
477 | } else { | |
42874d3a PM |
478 | status = address_space_ldub(&address_space_memory, ccw.cda, |
479 | MEMTXATTRS_UNSPECIFIED, NULL); | |
b4436a0b CH |
480 | if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { |
481 | virtio_ccw_stop_ioeventfd(dev); | |
482 | } | |
0b352fd6 CH |
483 | if (virtio_set_status(vdev, status) == 0) { |
484 | if (vdev->status == 0) { | |
fa8b0ca5 | 485 | virtio_ccw_reset_virtio(dev, vdev); |
0b352fd6 CH |
486 | } |
487 | if (status & VIRTIO_CONFIG_S_DRIVER_OK) { | |
488 | virtio_ccw_start_ioeventfd(dev); | |
489 | } | |
490 | sch->curr_status.scsw.count = ccw.count - sizeof(status); | |
491 | ret = 0; | |
492 | } else { | |
493 | /* Trigger a command reject. */ | |
494 | ret = -ENOSYS; | |
b4436a0b | 495 | } |
a5cf2bb4 CH |
496 | } |
497 | break; | |
498 | case CCW_CMD_SET_IND: | |
499 | if (check_len) { | |
500 | if (ccw.count != sizeof(indicators)) { | |
501 | ret = -EINVAL; | |
502 | break; | |
503 | } | |
504 | } else if (ccw.count < sizeof(indicators)) { | |
505 | /* Can't execute command. */ | |
506 | ret = -EINVAL; | |
507 | break; | |
508 | } | |
7e749462 CH |
509 | if (sch->thinint_active) { |
510 | /* Trigger a command reject. */ | |
511 | ret = -ENOSYS; | |
512 | break; | |
513 | } | |
797b6086 HP |
514 | if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) { |
515 | /* More queues than indicator bits --> trigger a reject */ | |
516 | ret = -ENOSYS; | |
517 | break; | |
518 | } | |
d1db1fa8 | 519 | if (!ccw.cda) { |
a5cf2bb4 CH |
520 | ret = -EFAULT; |
521 | } else { | |
42874d3a PM |
522 | indicators = address_space_ldq_be(&address_space_memory, ccw.cda, |
523 | MEMTXATTRS_UNSPECIFIED, NULL); | |
7bca3892 | 524 | dev->indicators = get_indicator(indicators, sizeof(uint64_t)); |
a5cf2bb4 CH |
525 | sch->curr_status.scsw.count = ccw.count - sizeof(indicators); |
526 | ret = 0; | |
527 | } | |
528 | break; | |
529 | case CCW_CMD_SET_CONF_IND: | |
530 | if (check_len) { | |
531 | if (ccw.count != sizeof(indicators)) { | |
532 | ret = -EINVAL; | |
533 | break; | |
534 | } | |
535 | } else if (ccw.count < sizeof(indicators)) { | |
536 | /* Can't execute command. */ | |
537 | ret = -EINVAL; | |
538 | break; | |
539 | } | |
d1db1fa8 | 540 | if (!ccw.cda) { |
a5cf2bb4 CH |
541 | ret = -EFAULT; |
542 | } else { | |
42874d3a PM |
543 | indicators = address_space_ldq_be(&address_space_memory, ccw.cda, |
544 | MEMTXATTRS_UNSPECIFIED, NULL); | |
7bca3892 | 545 | dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); |
a5cf2bb4 CH |
546 | sch->curr_status.scsw.count = ccw.count - sizeof(indicators); |
547 | ret = 0; | |
548 | } | |
549 | break; | |
550 | case CCW_CMD_READ_VQ_CONF: | |
551 | if (check_len) { | |
552 | if (ccw.count != sizeof(vq_config)) { | |
553 | ret = -EINVAL; | |
554 | break; | |
555 | } | |
556 | } else if (ccw.count < sizeof(vq_config)) { | |
557 | /* Can't execute command. */ | |
558 | ret = -EINVAL; | |
559 | break; | |
560 | } | |
561 | if (!ccw.cda) { | |
562 | ret = -EFAULT; | |
563 | } else { | |
42874d3a PM |
564 | vq_config.index = address_space_lduw_be(&address_space_memory, |
565 | ccw.cda, | |
566 | MEMTXATTRS_UNSPECIFIED, | |
567 | NULL); | |
b1914b82 | 568 | if (vq_config.index >= VIRTIO_QUEUE_MAX) { |
d03a3630 CH |
569 | ret = -EINVAL; |
570 | break; | |
571 | } | |
f24a6840 | 572 | vq_config.num_max = virtio_queue_get_num(vdev, |
a5cf2bb4 | 573 | vq_config.index); |
42874d3a PM |
574 | address_space_stw_be(&address_space_memory, |
575 | ccw.cda + sizeof(vq_config.index), | |
576 | vq_config.num_max, | |
577 | MEMTXATTRS_UNSPECIFIED, | |
578 | NULL); | |
a5cf2bb4 CH |
579 | sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); |
580 | ret = 0; | |
581 | } | |
582 | break; | |
7e749462 CH |
583 | case CCW_CMD_SET_IND_ADAPTER: |
584 | if (check_len) { | |
585 | if (ccw.count != sizeof(*thinint)) { | |
586 | ret = -EINVAL; | |
587 | break; | |
588 | } | |
589 | } else if (ccw.count < sizeof(*thinint)) { | |
590 | /* Can't execute command. */ | |
591 | ret = -EINVAL; | |
592 | break; | |
593 | } | |
594 | len = sizeof(*thinint); | |
595 | hw_len = len; | |
596 | if (!ccw.cda) { | |
597 | ret = -EFAULT; | |
598 | } else if (dev->indicators && !sch->thinint_active) { | |
599 | /* Trigger a command reject. */ | |
600 | ret = -ENOSYS; | |
601 | } else { | |
602 | thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); | |
603 | if (!thinint) { | |
604 | ret = -EFAULT; | |
605 | } else { | |
7d45285f CH |
606 | uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); |
607 | ||
7e749462 | 608 | len = hw_len; |
7bca3892 | 609 | dev->summary_indicator = |
7d45285f CH |
610 | get_indicator(ldq_be_p(&thinint->summary_indicator), |
611 | sizeof(uint8_t)); | |
612 | dev->indicators = | |
613 | get_indicator(ldq_be_p(&thinint->device_indicator), | |
614 | ind_bit / 8 + 1); | |
7e749462 | 615 | dev->thinint_isc = thinint->isc; |
7d45285f | 616 | dev->routes.adapter.ind_offset = ind_bit; |
d426d9fb | 617 | dev->routes.adapter.summary_offset = 7; |
7e749462 | 618 | cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); |
dde522bb FL |
619 | dev->routes.adapter.adapter_id = css_get_adapter_id( |
620 | CSS_IO_ADAPTER_VIRTIO, | |
621 | dev->thinint_isc); | |
7bca3892 CH |
622 | sch->thinint_active = ((dev->indicators != NULL) && |
623 | (dev->summary_indicator != NULL)); | |
7e749462 CH |
624 | sch->curr_status.scsw.count = ccw.count - len; |
625 | ret = 0; | |
626 | } | |
627 | } | |
628 | break; | |
c42767f2 TH |
629 | case CCW_CMD_SET_VIRTIO_REV: |
630 | len = sizeof(revinfo); | |
631 | if (ccw.count < len) { | |
632 | ret = -EINVAL; | |
633 | break; | |
634 | } | |
635 | if (!ccw.cda) { | |
636 | ret = -EFAULT; | |
637 | break; | |
638 | } | |
639 | revinfo.revision = | |
640 | address_space_lduw_be(&address_space_memory, ccw.cda, | |
641 | MEMTXATTRS_UNSPECIFIED, NULL); | |
642 | revinfo.length = | |
643 | address_space_lduw_be(&address_space_memory, | |
644 | ccw.cda + sizeof(revinfo.revision), | |
645 | MEMTXATTRS_UNSPECIFIED, NULL); | |
646 | if (ccw.count < len + revinfo.length || | |
647 | (check_len && ccw.count > len + revinfo.length)) { | |
648 | ret = -EINVAL; | |
649 | break; | |
650 | } | |
651 | /* | |
652 | * Once we start to support revisions with additional data, we'll | |
653 | * need to fetch it here. Nothing to do for now, though. | |
654 | */ | |
655 | if (dev->revision >= 0 || | |
47e13dfd HP |
656 | revinfo.revision > virtio_ccw_rev_max(dev) || |
657 | (dev->force_revision_1 && !revinfo.revision)) { | |
c42767f2 TH |
658 | ret = -ENOSYS; |
659 | break; | |
660 | } | |
661 | ret = 0; | |
662 | dev->revision = revinfo.revision; | |
663 | break; | |
a5cf2bb4 | 664 | default: |
8d034a6f | 665 | ret = -ENOSYS; |
a5cf2bb4 CH |
666 | break; |
667 | } | |
668 | return ret; | |
669 | } | |
670 | ||
c42767f2 TH |
671 | static void virtio_sch_disable_cb(SubchDev *sch) |
672 | { | |
673 | VirtioCcwDevice *dev = sch->driver_data; | |
674 | ||
675 | dev->revision = -1; | |
676 | } | |
677 | ||
1fa75523 | 678 | static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) |
a5cf2bb4 | 679 | { |
1fa75523 | 680 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev); |
b804e8a6 | 681 | CcwDevice *ccw_dev = CCW_DEVICE(dev); |
d8d98db5 | 682 | CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); |
817d4a6b DJS |
683 | DeviceState *parent = DEVICE(ccw_dev); |
684 | BusState *qbus = qdev_get_parent_bus(parent); | |
685 | VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus); | |
686 | SubchDev *sch; | |
cf249935 | 687 | Error *err = NULL; |
a5cf2bb4 | 688 | |
817d4a6b | 689 | sch = css_create_sch(ccw_dev->devno, true, cbus->squash_mcss, errp); |
cf249935 SS |
690 | if (!sch) { |
691 | return; | |
a5cf2bb4 | 692 | } |
47e13dfd HP |
693 | if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) { |
694 | error_setg(&err, "Invalid value of property max_rev " | |
695 | "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); | |
d8d98db5 | 696 | goto out_err; |
47e13dfd | 697 | } |
a5cf2bb4 | 698 | |
cf249935 | 699 | sch->driver_data = dev; |
a5cf2bb4 | 700 | sch->ccw_cb = virtio_ccw_cb; |
c42767f2 | 701 | sch->disable_cb = virtio_sch_disable_cb; |
a5cf2bb4 CH |
702 | sch->id.reserved = 0xff; |
703 | sch->id.cu_type = VIRTIO_CCW_CU_TYPE; | |
b804e8a6 | 704 | ccw_dev->sch = sch; |
cf249935 | 705 | dev->indicators = NULL; |
c42767f2 | 706 | dev->revision = -1; |
cf249935 SS |
707 | css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); |
708 | ||
709 | trace_virtio_ccw_new_device( | |
710 | sch->cssid, sch->ssid, sch->schid, sch->devno, | |
2a78ac66 | 711 | ccw_dev->devno.valid ? "user-configured" : "auto-configured"); |
c42767f2 | 712 | |
ca2b413c PB |
713 | if (!kvm_eventfds_enabled()) { |
714 | dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; | |
715 | } | |
716 | ||
1fa75523 CH |
717 | if (k->realize) { |
718 | k->realize(dev, &err); | |
d8d98db5 DJS |
719 | if (err) { |
720 | goto out_err; | |
721 | } | |
1fa75523 | 722 | } |
d8d98db5 DJS |
723 | |
724 | ck->realize(ccw_dev, &err); | |
1fa75523 | 725 | if (err) { |
d8d98db5 | 726 | goto out_err; |
1fa75523 | 727 | } |
d8d98db5 DJS |
728 | |
729 | return; | |
730 | ||
731 | out_err: | |
732 | error_propagate(errp, err); | |
733 | css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); | |
734 | ccw_dev->sch = NULL; | |
735 | g_free(sch); | |
a5cf2bb4 CH |
736 | } |
737 | ||
738 | static int virtio_ccw_exit(VirtioCcwDevice *dev) | |
739 | { | |
b804e8a6 JL |
740 | CcwDevice *ccw_dev = CCW_DEVICE(dev); |
741 | SubchDev *sch = ccw_dev->sch; | |
a5cf2bb4 CH |
742 | |
743 | if (sch) { | |
744 | css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); | |
745 | g_free(sch); | |
746 | } | |
7bca3892 | 747 | if (dev->indicators) { |
d426d9fb | 748 | release_indicator(&dev->routes.adapter, dev->indicators); |
7bca3892 CH |
749 | dev->indicators = NULL; |
750 | } | |
a5cf2bb4 CH |
751 | return 0; |
752 | } | |
753 | ||
5e5ced38 | 754 | static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
a5cf2bb4 | 755 | { |
800ced8c | 756 | DeviceState *qdev = DEVICE(ccw_dev); |
89334c8b FK |
757 | VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); |
758 | DeviceState *vdev = DEVICE(&dev->vdev); | |
a5cf2bb4 | 759 | |
800ced8c FK |
760 | virtio_net_set_netclient_name(&dev->vdev, qdev->id, |
761 | object_get_typename(OBJECT(qdev))); | |
89334c8b | 762 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
6b62d961 | 763 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
a5cf2bb4 CH |
764 | } |
765 | ||
89334c8b | 766 | static void virtio_ccw_net_instance_init(Object *obj) |
a5cf2bb4 | 767 | { |
89334c8b | 768 | VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); |
c8075caf GA |
769 | |
770 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
771 | TYPE_VIRTIO_NET); | |
0cf63c3e GA |
772 | object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), |
773 | "bootindex", &error_abort); | |
a5cf2bb4 CH |
774 | } |
775 | ||
5e5ced38 | 776 | static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
a5cf2bb4 | 777 | { |
3400c455 FK |
778 | VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); |
779 | DeviceState *vdev = DEVICE(&dev->vdev); | |
5e5ced38 | 780 | |
3400c455 | 781 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
6b62d961 | 782 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
a5cf2bb4 CH |
783 | } |
784 | ||
3400c455 | 785 | static void virtio_ccw_blk_instance_init(Object *obj) |
a5cf2bb4 | 786 | { |
3400c455 | 787 | VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); |
c8075caf GA |
788 | |
789 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
790 | TYPE_VIRTIO_BLK); | |
467b3f33 SH |
791 | object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", |
792 | &error_abort); | |
aeb98ddc GA |
793 | object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), |
794 | "bootindex", &error_abort); | |
a5cf2bb4 CH |
795 | } |
796 | ||
5e5ced38 | 797 | static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
a5cf2bb4 | 798 | { |
6acf69cd FK |
799 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); |
800 | DeviceState *vdev = DEVICE(&dev->vdev); | |
80270a19 FK |
801 | DeviceState *proxy = DEVICE(ccw_dev); |
802 | char *bus_name; | |
803 | ||
804 | /* | |
805 | * For command line compatibility, this sets the virtio-serial-device bus | |
806 | * name as before. | |
807 | */ | |
808 | if (proxy->id) { | |
809 | bus_name = g_strdup_printf("%s.0", proxy->id); | |
810 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
811 | g_free(bus_name); | |
812 | } | |
a5cf2bb4 | 813 | |
6acf69cd | 814 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
6b62d961 | 815 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
a5cf2bb4 CH |
816 | } |
817 | ||
6acf69cd FK |
818 | |
819 | static void virtio_ccw_serial_instance_init(Object *obj) | |
a5cf2bb4 | 820 | { |
6acf69cd | 821 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); |
c8075caf GA |
822 | |
823 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
824 | TYPE_VIRTIO_SERIAL); | |
a5cf2bb4 CH |
825 | } |
826 | ||
5e5ced38 | 827 | static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
a5cf2bb4 | 828 | { |
30bff6a0 FK |
829 | VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); |
830 | DeviceState *vdev = DEVICE(&dev->vdev); | |
a5cf2bb4 | 831 | |
30bff6a0 | 832 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
6b62d961 | 833 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
a5cf2bb4 CH |
834 | } |
835 | ||
30bff6a0 | 836 | static void virtio_ccw_balloon_instance_init(Object *obj) |
a5cf2bb4 | 837 | { |
30bff6a0 | 838 | VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); |
ecfa60e3 | 839 | |
a6027b0f DL |
840 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
841 | TYPE_VIRTIO_BALLOON); | |
ecfa60e3 SZ |
842 | object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), |
843 | "guest-stats", &error_abort); | |
844 | object_property_add_alias(obj, "guest-stats-polling-interval", | |
845 | OBJECT(&dev->vdev), | |
846 | "guest-stats-polling-interval", &error_abort); | |
a5cf2bb4 CH |
847 | } |
848 | ||
5e5ced38 | 849 | static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
a5cf2bb4 | 850 | { |
c908ea10 FK |
851 | VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); |
852 | DeviceState *vdev = DEVICE(&dev->vdev); | |
6f32a6b4 FK |
853 | DeviceState *qdev = DEVICE(ccw_dev); |
854 | char *bus_name; | |
855 | ||
856 | /* | |
857 | * For command line compatibility, this sets the virtio-scsi-device bus | |
858 | * name as before. | |
859 | */ | |
860 | if (qdev->id) { | |
861 | bus_name = g_strdup_printf("%s.0", qdev->id); | |
862 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
863 | g_free(bus_name); | |
864 | } | |
a5cf2bb4 | 865 | |
c908ea10 | 866 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
6b62d961 | 867 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
a5cf2bb4 CH |
868 | } |
869 | ||
c908ea10 | 870 | static void virtio_ccw_scsi_instance_init(Object *obj) |
a5cf2bb4 | 871 | { |
c908ea10 | 872 | VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); |
c8075caf GA |
873 | |
874 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
875 | TYPE_VIRTIO_SCSI); | |
19d339f1 FZ |
876 | object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", |
877 | &error_abort); | |
a5cf2bb4 CH |
878 | } |
879 | ||
ccf6916c | 880 | #ifdef CONFIG_VHOST_SCSI |
5e5ced38 | 881 | static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
ccf6916c PB |
882 | { |
883 | VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); | |
884 | DeviceState *vdev = DEVICE(&dev->vdev); | |
885 | ||
886 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
6b62d961 | 887 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
ccf6916c PB |
888 | } |
889 | ||
890 | static void vhost_ccw_scsi_instance_init(Object *obj) | |
891 | { | |
892 | VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); | |
c8075caf GA |
893 | |
894 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
895 | TYPE_VHOST_SCSI); | |
ccf6916c PB |
896 | } |
897 | #endif | |
898 | ||
5e5ced38 | 899 | static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
2362ecc5 | 900 | { |
2db26d4c FK |
901 | VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); |
902 | DeviceState *vdev = DEVICE(&dev->vdev); | |
5e5ced38 | 903 | Error *err = NULL; |
2362ecc5 | 904 | |
2db26d4c | 905 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
5e5ced38 MA |
906 | object_property_set_bool(OBJECT(vdev), true, "realized", &err); |
907 | if (err) { | |
908 | error_propagate(errp, err); | |
909 | return; | |
2362ecc5 | 910 | } |
2362ecc5 | 911 | |
2db26d4c | 912 | object_property_set_link(OBJECT(dev), |
5b456438 | 913 | OBJECT(dev->vdev.conf.rng), "rng", |
2db26d4c | 914 | NULL); |
2362ecc5 CH |
915 | } |
916 | ||
d2256070 HP |
917 | static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
918 | { | |
919 | VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev); | |
920 | DeviceState *vdev = DEVICE(&dev->vdev); | |
921 | Error *err = NULL; | |
922 | ||
923 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
924 | object_property_set_bool(OBJECT(vdev), true, "realized", &err); | |
925 | if (err) { | |
926 | error_propagate(errp, err); | |
927 | return; | |
928 | } | |
929 | ||
930 | object_property_set_link(OBJECT(vdev), | |
931 | OBJECT(dev->vdev.conf.cryptodev), "cryptodev", | |
932 | NULL); | |
933 | } | |
934 | ||
a5cf2bb4 CH |
935 | /* DeviceState to VirtioCcwDevice. Note: used on datapath, |
936 | * be careful and test performance if you change this. | |
937 | */ | |
938 | static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) | |
939 | { | |
b804e8a6 JL |
940 | CcwDevice *ccw_dev = to_ccw_dev_fast(d); |
941 | ||
942 | return container_of(ccw_dev, VirtioCcwDevice, parent_obj); | |
a5cf2bb4 CH |
943 | } |
944 | ||
7e749462 CH |
945 | static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, |
946 | uint8_t to_be_set) | |
947 | { | |
948 | uint8_t ind_old, ind_new; | |
949 | hwaddr len = 1; | |
950 | uint8_t *ind_addr; | |
951 | ||
952 | ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); | |
953 | if (!ind_addr) { | |
954 | error_report("%s(%x.%x.%04x): unable to access indicator", | |
955 | __func__, sch->cssid, sch->ssid, sch->schid); | |
956 | return -1; | |
957 | } | |
958 | do { | |
959 | ind_old = *ind_addr; | |
960 | ind_new = ind_old | to_be_set; | |
961 | } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); | |
06409bd9 | 962 | trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); |
7e749462 CH |
963 | cpu_physical_memory_unmap(ind_addr, len, 1, len); |
964 | ||
965 | return ind_old; | |
966 | } | |
967 | ||
a5cf2bb4 CH |
968 | static void virtio_ccw_notify(DeviceState *d, uint16_t vector) |
969 | { | |
970 | VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); | |
b804e8a6 JL |
971 | CcwDevice *ccw_dev = to_ccw_dev_fast(d); |
972 | SubchDev *sch = ccw_dev->sch; | |
a5cf2bb4 CH |
973 | uint64_t indicators; |
974 | ||
1789f4e3 | 975 | /* queue indicators + secondary indicators */ |
b1914b82 | 976 | if (vector >= VIRTIO_QUEUE_MAX + 64) { |
a5cf2bb4 CH |
977 | return; |
978 | } | |
979 | ||
b1914b82 | 980 | if (vector < VIRTIO_QUEUE_MAX) { |
7c486976 CH |
981 | if (!dev->indicators) { |
982 | return; | |
983 | } | |
7e749462 CH |
984 | if (sch->thinint_active) { |
985 | /* | |
986 | * In the adapter interrupt case, indicators points to a | |
987 | * memory area that may be (way) larger than 64 bit and | |
988 | * ind_bit indicates the start of the indicators in a big | |
989 | * endian notation. | |
990 | */ | |
d426d9fb CH |
991 | uint64_t ind_bit = dev->routes.adapter.ind_offset; |
992 | ||
7bca3892 | 993 | virtio_set_ind_atomic(sch, dev->indicators->addr + |
d426d9fb CH |
994 | (ind_bit + vector) / 8, |
995 | 0x80 >> ((ind_bit + vector) % 8)); | |
7bca3892 | 996 | if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, |
7e749462 CH |
997 | 0x01)) { |
998 | css_adapter_interrupt(dev->thinint_isc); | |
999 | } | |
1000 | } else { | |
42874d3a PM |
1001 | indicators = address_space_ldq(&address_space_memory, |
1002 | dev->indicators->addr, | |
1003 | MEMTXATTRS_UNSPECIFIED, | |
1004 | NULL); | |
7e749462 | 1005 | indicators |= 1ULL << vector; |
42874d3a PM |
1006 | address_space_stq(&address_space_memory, dev->indicators->addr, |
1007 | indicators, MEMTXATTRS_UNSPECIFIED, NULL); | |
7e749462 CH |
1008 | css_conditional_io_interrupt(sch); |
1009 | } | |
a5cf2bb4 | 1010 | } else { |
7c486976 CH |
1011 | if (!dev->indicators2) { |
1012 | return; | |
1013 | } | |
a5cf2bb4 | 1014 | vector = 0; |
42874d3a PM |
1015 | indicators = address_space_ldq(&address_space_memory, |
1016 | dev->indicators2->addr, | |
1017 | MEMTXATTRS_UNSPECIFIED, | |
1018 | NULL); | |
19380b1b | 1019 | indicators |= 1ULL << vector; |
42874d3a PM |
1020 | address_space_stq(&address_space_memory, dev->indicators2->addr, |
1021 | indicators, MEMTXATTRS_UNSPECIFIED, NULL); | |
7e749462 | 1022 | css_conditional_io_interrupt(sch); |
a5cf2bb4 | 1023 | } |
a5cf2bb4 CH |
1024 | } |
1025 | ||
a5cf2bb4 CH |
1026 | static void virtio_ccw_reset(DeviceState *d) |
1027 | { | |
1028 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
f24a6840 | 1029 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); |
b804e8a6 | 1030 | CcwDevice *ccw_dev = CCW_DEVICE(d); |
a5cf2bb4 | 1031 | |
fa8b0ca5 | 1032 | virtio_ccw_reset_virtio(dev, vdev); |
b804e8a6 | 1033 | css_reset_sch(ccw_dev->sch); |
a5cf2bb4 CH |
1034 | } |
1035 | ||
b4436a0b CH |
1036 | static void virtio_ccw_vmstate_change(DeviceState *d, bool running) |
1037 | { | |
1038 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
1039 | ||
1040 | if (running) { | |
1041 | virtio_ccw_start_ioeventfd(dev); | |
1042 | } else { | |
1043 | virtio_ccw_stop_ioeventfd(dev); | |
1044 | } | |
1045 | } | |
1046 | ||
320ce850 CH |
1047 | static bool virtio_ccw_query_guest_notifiers(DeviceState *d) |
1048 | { | |
b804e8a6 | 1049 | CcwDevice *dev = CCW_DEVICE(d); |
320ce850 CH |
1050 | |
1051 | return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); | |
1052 | } | |
1053 | ||
d426d9fb CH |
1054 | static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) |
1055 | { | |
1056 | int r; | |
b804e8a6 | 1057 | CcwDevice *ccw_dev = CCW_DEVICE(dev); |
d426d9fb | 1058 | |
b804e8a6 | 1059 | if (!ccw_dev->sch->thinint_active) { |
d426d9fb CH |
1060 | return -EINVAL; |
1061 | } | |
1062 | ||
1063 | r = map_indicator(&dev->routes.adapter, dev->summary_indicator); | |
1064 | if (r) { | |
1065 | return r; | |
1066 | } | |
1067 | r = map_indicator(&dev->routes.adapter, dev->indicators); | |
1068 | if (r) { | |
1069 | return r; | |
1070 | } | |
1071 | dev->routes.adapter.summary_addr = dev->summary_indicator->map; | |
1072 | dev->routes.adapter.ind_addr = dev->indicators->map; | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) | |
1078 | { | |
1079 | int i; | |
1080 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1081 | int ret; | |
1082 | S390FLICState *fs = s390_get_flic(); | |
1083 | S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); | |
1084 | ||
1085 | ret = virtio_ccw_get_mappings(dev); | |
1086 | if (ret) { | |
1087 | return ret; | |
1088 | } | |
1089 | for (i = 0; i < nvqs; i++) { | |
1090 | if (!virtio_queue_get_num(vdev, i)) { | |
1091 | break; | |
1092 | } | |
1093 | } | |
1094 | dev->routes.num_routes = i; | |
1095 | return fsc->add_adapter_routes(fs, &dev->routes); | |
1096 | } | |
1097 | ||
1098 | static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) | |
1099 | { | |
1100 | S390FLICState *fs = s390_get_flic(); | |
1101 | S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); | |
1102 | ||
1103 | fsc->release_adapter_routes(fs, &dev->routes); | |
1104 | } | |
1105 | ||
1106 | static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) | |
1107 | { | |
1108 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1109 | VirtQueue *vq = virtio_get_queue(vdev, n); | |
1110 | EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); | |
1111 | ||
1c9b71a7 EA |
1112 | return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL, |
1113 | dev->routes.gsi[n]); | |
d426d9fb CH |
1114 | } |
1115 | ||
1116 | static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) | |
1117 | { | |
1118 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1119 | VirtQueue *vq = virtio_get_queue(vdev, n); | |
1120 | EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); | |
1121 | int ret; | |
1122 | ||
1c9b71a7 EA |
1123 | ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier, |
1124 | dev->routes.gsi[n]); | |
d426d9fb CH |
1125 | assert(ret == 0); |
1126 | } | |
1127 | ||
320ce850 CH |
1128 | static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, |
1129 | bool assign, bool with_irqfd) | |
1130 | { | |
f24a6840 PB |
1131 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); |
1132 | VirtQueue *vq = virtio_get_queue(vdev, n); | |
320ce850 | 1133 | EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); |
f24a6840 | 1134 | VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); |
320ce850 CH |
1135 | |
1136 | if (assign) { | |
1137 | int r = event_notifier_init(notifier, 0); | |
1138 | ||
1139 | if (r < 0) { | |
1140 | return r; | |
1141 | } | |
1142 | virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); | |
d426d9fb CH |
1143 | if (with_irqfd) { |
1144 | r = virtio_ccw_add_irqfd(dev, n); | |
1145 | if (r) { | |
1146 | virtio_queue_set_guest_notifier_fd_handler(vq, false, | |
1147 | with_irqfd); | |
1148 | return r; | |
1149 | } | |
1150 | } | |
1151 | /* | |
1152 | * We do not support individual masking for channel devices, so we | |
1153 | * need to manually trigger any guest masking callbacks here. | |
320ce850 | 1154 | */ |
2858bc68 | 1155 | if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { |
f24a6840 | 1156 | k->guest_notifier_mask(vdev, n, false); |
320ce850 CH |
1157 | } |
1158 | /* get lost events and re-inject */ | |
1159 | if (k->guest_notifier_pending && | |
f24a6840 | 1160 | k->guest_notifier_pending(vdev, n)) { |
320ce850 CH |
1161 | event_notifier_set(notifier); |
1162 | } | |
1163 | } else { | |
2858bc68 | 1164 | if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { |
f24a6840 | 1165 | k->guest_notifier_mask(vdev, n, true); |
320ce850 | 1166 | } |
d426d9fb CH |
1167 | if (with_irqfd) { |
1168 | virtio_ccw_remove_irqfd(dev, n); | |
1169 | } | |
320ce850 CH |
1170 | virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); |
1171 | event_notifier_cleanup(notifier); | |
1172 | } | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, | |
1177 | bool assigned) | |
1178 | { | |
1179 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
f24a6840 | 1180 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); |
b804e8a6 JL |
1181 | CcwDevice *ccw_dev = CCW_DEVICE(d); |
1182 | bool with_irqfd = ccw_dev->sch->thinint_active && kvm_irqfds_enabled(); | |
320ce850 CH |
1183 | int r, n; |
1184 | ||
d426d9fb CH |
1185 | if (with_irqfd && assigned) { |
1186 | /* irq routes need to be set up before assigning irqfds */ | |
1187 | r = virtio_ccw_setup_irqroutes(dev, nvqs); | |
1188 | if (r < 0) { | |
1189 | goto irqroute_error; | |
1190 | } | |
1191 | } | |
320ce850 CH |
1192 | for (n = 0; n < nvqs; n++) { |
1193 | if (!virtio_queue_get_num(vdev, n)) { | |
1194 | break; | |
1195 | } | |
d426d9fb | 1196 | r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); |
320ce850 CH |
1197 | if (r < 0) { |
1198 | goto assign_error; | |
1199 | } | |
1200 | } | |
d426d9fb CH |
1201 | if (with_irqfd && !assigned) { |
1202 | /* release irq routes after irqfds have been released */ | |
1203 | virtio_ccw_release_irqroutes(dev, nvqs); | |
1204 | } | |
320ce850 CH |
1205 | return 0; |
1206 | ||
1207 | assign_error: | |
1208 | while (--n >= 0) { | |
1209 | virtio_ccw_set_guest_notifier(dev, n, !assigned, false); | |
1210 | } | |
d426d9fb CH |
1211 | irqroute_error: |
1212 | if (with_irqfd && assigned) { | |
1213 | virtio_ccw_release_irqroutes(dev, nvqs); | |
1214 | } | |
320ce850 CH |
1215 | return r; |
1216 | } | |
1217 | ||
bcb2b582 JF |
1218 | static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) |
1219 | { | |
1220 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
1221 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1222 | ||
1223 | qemu_put_be16(f, virtio_queue_vector(vdev, n)); | |
1224 | } | |
1225 | ||
1226 | static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) | |
1227 | { | |
1228 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
1229 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1230 | uint16_t vector; | |
1231 | ||
1232 | qemu_get_be16s(f, &vector); | |
1233 | virtio_queue_set_vector(vdev, n , vector); | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) | |
1239 | { | |
1240 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
b804e8a6 JL |
1241 | CcwDevice *ccw_dev = CCW_DEVICE(d); |
1242 | SubchDev *s = ccw_dev->sch; | |
2a72ea5f | 1243 | VirtIODevice *vdev = virtio_ccw_get_vdev(s); |
bcb2b582 JF |
1244 | |
1245 | subch_device_save(s, f); | |
1246 | if (dev->indicators != NULL) { | |
1247 | qemu_put_be32(f, dev->indicators->len); | |
1248 | qemu_put_be64(f, dev->indicators->addr); | |
1249 | } else { | |
1250 | qemu_put_be32(f, 0); | |
1251 | qemu_put_be64(f, 0UL); | |
1252 | } | |
1253 | if (dev->indicators2 != NULL) { | |
1254 | qemu_put_be32(f, dev->indicators2->len); | |
1255 | qemu_put_be64(f, dev->indicators2->addr); | |
1256 | } else { | |
1257 | qemu_put_be32(f, 0); | |
1258 | qemu_put_be64(f, 0UL); | |
1259 | } | |
1260 | if (dev->summary_indicator != NULL) { | |
1261 | qemu_put_be32(f, dev->summary_indicator->len); | |
1262 | qemu_put_be64(f, dev->summary_indicator->addr); | |
1263 | } else { | |
1264 | qemu_put_be32(f, 0); | |
1265 | qemu_put_be64(f, 0UL); | |
1266 | } | |
2a72ea5f | 1267 | qemu_put_be16(f, vdev->config_vector); |
bcb2b582 JF |
1268 | qemu_put_be64(f, dev->routes.adapter.ind_offset); |
1269 | qemu_put_byte(f, dev->thinint_isc); | |
213941d7 | 1270 | qemu_put_be32(f, dev->revision); |
bcb2b582 JF |
1271 | } |
1272 | ||
1273 | static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) | |
1274 | { | |
1275 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
b804e8a6 | 1276 | CcwDevice *ccw_dev = CCW_DEVICE(d); |
d8d98db5 | 1277 | CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); |
b804e8a6 | 1278 | SubchDev *s = ccw_dev->sch; |
2a72ea5f | 1279 | VirtIODevice *vdev = virtio_ccw_get_vdev(s); |
bcb2b582 JF |
1280 | int len; |
1281 | ||
1282 | s->driver_data = dev; | |
1283 | subch_device_load(s, f); | |
d8d98db5 DJS |
1284 | /* Re-fill subch_id after loading the subchannel states.*/ |
1285 | if (ck->refill_ids) { | |
1286 | ck->refill_ids(ccw_dev); | |
1287 | } | |
bcb2b582 JF |
1288 | len = qemu_get_be32(f); |
1289 | if (len != 0) { | |
1290 | dev->indicators = get_indicator(qemu_get_be64(f), len); | |
1291 | } else { | |
1292 | qemu_get_be64(f); | |
1293 | dev->indicators = NULL; | |
1294 | } | |
1295 | len = qemu_get_be32(f); | |
1296 | if (len != 0) { | |
1297 | dev->indicators2 = get_indicator(qemu_get_be64(f), len); | |
1298 | } else { | |
1299 | qemu_get_be64(f); | |
1300 | dev->indicators2 = NULL; | |
1301 | } | |
1302 | len = qemu_get_be32(f); | |
1303 | if (len != 0) { | |
1304 | dev->summary_indicator = get_indicator(qemu_get_be64(f), len); | |
1305 | } else { | |
1306 | qemu_get_be64(f); | |
1307 | dev->summary_indicator = NULL; | |
1308 | } | |
2a72ea5f | 1309 | qemu_get_be16s(f, &vdev->config_vector); |
bcb2b582 JF |
1310 | dev->routes.adapter.ind_offset = qemu_get_be64(f); |
1311 | dev->thinint_isc = qemu_get_byte(f); | |
2af9170c | 1312 | dev->revision = qemu_get_be32(f); |
bcb2b582 | 1313 | if (s->thinint_active) { |
dde522bb FL |
1314 | dev->routes.adapter.adapter_id = css_get_adapter_id( |
1315 | CSS_IO_ADAPTER_VIRTIO, | |
1316 | dev->thinint_isc); | |
bcb2b582 JF |
1317 | } |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
d1b4259f MC |
1322 | static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp) |
1323 | { | |
1324 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
1325 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); | |
1326 | ||
1327 | if (dev->max_rev >= 1) { | |
1328 | virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); | |
1329 | } | |
1330 | } | |
1331 | ||
fb846a09 | 1332 | /* This is called by virtio-bus just after the device is plugged. */ |
e8398045 | 1333 | static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) |
fb846a09 CH |
1334 | { |
1335 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
10ceaa1e | 1336 | VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); |
b804e8a6 JL |
1337 | CcwDevice *ccw_dev = CCW_DEVICE(d); |
1338 | SubchDev *sch = ccw_dev->sch; | |
10ceaa1e | 1339 | int n = virtio_get_num_queues(vdev); |
0708afa7 | 1340 | S390FLICState *flic = s390_get_flic(); |
10ceaa1e | 1341 | |
d1b4259f MC |
1342 | if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) { |
1343 | dev->max_rev = 0; | |
1344 | } | |
1345 | ||
b1914b82 | 1346 | if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) { |
b34aee54 | 1347 | error_setg(errp, "The number of virtqueues %d " |
b1914b82 HP |
1348 | "exceeds virtio limit %d", n, |
1349 | VIRTIO_QUEUE_MAX); | |
10ceaa1e JW |
1350 | return; |
1351 | } | |
0708afa7 HP |
1352 | if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) { |
1353 | error_setg(errp, "The number of virtqueues %d " | |
1354 | "exceeds flic adapter route limit %d", n, | |
1355 | flic->adapter_routes_max_batch); | |
1356 | return; | |
1357 | } | |
fb846a09 CH |
1358 | |
1359 | sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); | |
1360 | ||
542571d5 | 1361 | |
fb846a09 CH |
1362 | css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, |
1363 | d->hotplugged, 1); | |
1364 | } | |
1365 | ||
1366 | static void virtio_ccw_device_unplugged(DeviceState *d) | |
1367 | { | |
1368 | VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); | |
1369 | ||
1370 | virtio_ccw_stop_ioeventfd(dev); | |
1371 | } | |
a5cf2bb4 CH |
1372 | /**************** Virtio-ccw Bus Device Descriptions *******************/ |
1373 | ||
a5cf2bb4 | 1374 | static Property virtio_ccw_net_properties[] = { |
b4436a0b CH |
1375 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1376 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1377 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1378 | VIRTIO_CCW_MAX_REV), | |
a5cf2bb4 CH |
1379 | DEFINE_PROP_END_OF_LIST(), |
1380 | }; | |
1381 | ||
1382 | static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) | |
1383 | { | |
1384 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1385 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1386 | ||
5e5ced38 | 1387 | k->realize = virtio_ccw_net_realize; |
89334c8b | 1388 | k->exit = virtio_ccw_exit; |
a5cf2bb4 CH |
1389 | dc->reset = virtio_ccw_reset; |
1390 | dc->props = virtio_ccw_net_properties; | |
cd20d616 | 1391 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); |
a5cf2bb4 CH |
1392 | } |
1393 | ||
1394 | static const TypeInfo virtio_ccw_net = { | |
89334c8b | 1395 | .name = TYPE_VIRTIO_NET_CCW, |
a5cf2bb4 | 1396 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
89334c8b FK |
1397 | .instance_size = sizeof(VirtIONetCcw), |
1398 | .instance_init = virtio_ccw_net_instance_init, | |
a5cf2bb4 CH |
1399 | .class_init = virtio_ccw_net_class_init, |
1400 | }; | |
1401 | ||
1402 | static Property virtio_ccw_blk_properties[] = { | |
b4436a0b CH |
1403 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1404 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1405 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1406 | VIRTIO_CCW_MAX_REV), | |
a5cf2bb4 CH |
1407 | DEFINE_PROP_END_OF_LIST(), |
1408 | }; | |
1409 | ||
1410 | static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) | |
1411 | { | |
1412 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1413 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1414 | ||
5e5ced38 | 1415 | k->realize = virtio_ccw_blk_realize; |
3400c455 | 1416 | k->exit = virtio_ccw_exit; |
a5cf2bb4 CH |
1417 | dc->reset = virtio_ccw_reset; |
1418 | dc->props = virtio_ccw_blk_properties; | |
cd20d616 | 1419 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
a5cf2bb4 CH |
1420 | } |
1421 | ||
1422 | static const TypeInfo virtio_ccw_blk = { | |
3400c455 | 1423 | .name = TYPE_VIRTIO_BLK_CCW, |
a5cf2bb4 | 1424 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
3400c455 FK |
1425 | .instance_size = sizeof(VirtIOBlkCcw), |
1426 | .instance_init = virtio_ccw_blk_instance_init, | |
a5cf2bb4 CH |
1427 | .class_init = virtio_ccw_blk_class_init, |
1428 | }; | |
1429 | ||
1430 | static Property virtio_ccw_serial_properties[] = { | |
b4436a0b CH |
1431 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1432 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1433 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1434 | VIRTIO_CCW_MAX_REV), | |
a5cf2bb4 CH |
1435 | DEFINE_PROP_END_OF_LIST(), |
1436 | }; | |
1437 | ||
1438 | static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) | |
1439 | { | |
1440 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1441 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1442 | ||
5e5ced38 | 1443 | k->realize = virtio_ccw_serial_realize; |
6acf69cd | 1444 | k->exit = virtio_ccw_exit; |
a5cf2bb4 CH |
1445 | dc->reset = virtio_ccw_reset; |
1446 | dc->props = virtio_ccw_serial_properties; | |
cd20d616 | 1447 | set_bit(DEVICE_CATEGORY_INPUT, dc->categories); |
a5cf2bb4 CH |
1448 | } |
1449 | ||
1450 | static const TypeInfo virtio_ccw_serial = { | |
6acf69cd | 1451 | .name = TYPE_VIRTIO_SERIAL_CCW, |
a5cf2bb4 | 1452 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
6acf69cd FK |
1453 | .instance_size = sizeof(VirtioSerialCcw), |
1454 | .instance_init = virtio_ccw_serial_instance_init, | |
a5cf2bb4 CH |
1455 | .class_init = virtio_ccw_serial_class_init, |
1456 | }; | |
1457 | ||
1458 | static Property virtio_ccw_balloon_properties[] = { | |
b4436a0b CH |
1459 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1460 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1461 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1462 | VIRTIO_CCW_MAX_REV), | |
a5cf2bb4 CH |
1463 | DEFINE_PROP_END_OF_LIST(), |
1464 | }; | |
1465 | ||
1466 | static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) | |
1467 | { | |
1468 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1469 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1470 | ||
5e5ced38 | 1471 | k->realize = virtio_ccw_balloon_realize; |
30bff6a0 | 1472 | k->exit = virtio_ccw_exit; |
a5cf2bb4 CH |
1473 | dc->reset = virtio_ccw_reset; |
1474 | dc->props = virtio_ccw_balloon_properties; | |
cd20d616 | 1475 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
a5cf2bb4 CH |
1476 | } |
1477 | ||
1478 | static const TypeInfo virtio_ccw_balloon = { | |
30bff6a0 | 1479 | .name = TYPE_VIRTIO_BALLOON_CCW, |
a5cf2bb4 | 1480 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
30bff6a0 FK |
1481 | .instance_size = sizeof(VirtIOBalloonCcw), |
1482 | .instance_init = virtio_ccw_balloon_instance_init, | |
a5cf2bb4 CH |
1483 | .class_init = virtio_ccw_balloon_class_init, |
1484 | }; | |
1485 | ||
1486 | static Property virtio_ccw_scsi_properties[] = { | |
b4436a0b CH |
1487 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1488 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1489 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1490 | VIRTIO_CCW_MAX_REV), | |
a5cf2bb4 CH |
1491 | DEFINE_PROP_END_OF_LIST(), |
1492 | }; | |
1493 | ||
1494 | static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) | |
1495 | { | |
1496 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1497 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1498 | ||
5e5ced38 | 1499 | k->realize = virtio_ccw_scsi_realize; |
c908ea10 | 1500 | k->exit = virtio_ccw_exit; |
a5cf2bb4 CH |
1501 | dc->reset = virtio_ccw_reset; |
1502 | dc->props = virtio_ccw_scsi_properties; | |
cd20d616 | 1503 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
a5cf2bb4 CH |
1504 | } |
1505 | ||
1506 | static const TypeInfo virtio_ccw_scsi = { | |
c908ea10 | 1507 | .name = TYPE_VIRTIO_SCSI_CCW, |
a5cf2bb4 | 1508 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
c908ea10 FK |
1509 | .instance_size = sizeof(VirtIOSCSICcw), |
1510 | .instance_init = virtio_ccw_scsi_instance_init, | |
a5cf2bb4 CH |
1511 | .class_init = virtio_ccw_scsi_class_init, |
1512 | }; | |
1513 | ||
ccf6916c PB |
1514 | #ifdef CONFIG_VHOST_SCSI |
1515 | static Property vhost_ccw_scsi_properties[] = { | |
542571d5 CH |
1516 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1517 | VIRTIO_CCW_MAX_REV), | |
ccf6916c PB |
1518 | DEFINE_PROP_END_OF_LIST(), |
1519 | }; | |
1520 | ||
1521 | static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) | |
1522 | { | |
1523 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1524 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1525 | ||
5e5ced38 | 1526 | k->realize = vhost_ccw_scsi_realize; |
ccf6916c PB |
1527 | k->exit = virtio_ccw_exit; |
1528 | dc->reset = virtio_ccw_reset; | |
1529 | dc->props = vhost_ccw_scsi_properties; | |
cd20d616 | 1530 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
ccf6916c PB |
1531 | } |
1532 | ||
1533 | static const TypeInfo vhost_ccw_scsi = { | |
1534 | .name = TYPE_VHOST_SCSI_CCW, | |
1535 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
4b7757ba | 1536 | .instance_size = sizeof(VHostSCSICcw), |
ccf6916c PB |
1537 | .instance_init = vhost_ccw_scsi_instance_init, |
1538 | .class_init = vhost_ccw_scsi_class_init, | |
1539 | }; | |
1540 | #endif | |
1541 | ||
2db26d4c | 1542 | static void virtio_ccw_rng_instance_init(Object *obj) |
2362ecc5 | 1543 | { |
2db26d4c | 1544 | VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); |
c8075caf GA |
1545 | |
1546 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
1547 | TYPE_VIRTIO_RNG); | |
cbd5ac69 PB |
1548 | object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), |
1549 | "rng", &error_abort); | |
2362ecc5 CH |
1550 | } |
1551 | ||
1552 | static Property virtio_ccw_rng_properties[] = { | |
b4436a0b CH |
1553 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1554 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1555 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1556 | VIRTIO_CCW_MAX_REV), | |
2362ecc5 CH |
1557 | DEFINE_PROP_END_OF_LIST(), |
1558 | }; | |
1559 | ||
1560 | static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) | |
1561 | { | |
1562 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1563 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1564 | ||
5e5ced38 | 1565 | k->realize = virtio_ccw_rng_realize; |
2db26d4c | 1566 | k->exit = virtio_ccw_exit; |
2362ecc5 CH |
1567 | dc->reset = virtio_ccw_reset; |
1568 | dc->props = virtio_ccw_rng_properties; | |
cd20d616 | 1569 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
2362ecc5 CH |
1570 | } |
1571 | ||
1572 | static const TypeInfo virtio_ccw_rng = { | |
2db26d4c | 1573 | .name = TYPE_VIRTIO_RNG_CCW, |
2362ecc5 | 1574 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
2db26d4c FK |
1575 | .instance_size = sizeof(VirtIORNGCcw), |
1576 | .instance_init = virtio_ccw_rng_instance_init, | |
2362ecc5 CH |
1577 | .class_init = virtio_ccw_rng_class_init, |
1578 | }; | |
1579 | ||
d2256070 | 1580 | static Property virtio_ccw_crypto_properties[] = { |
d2256070 HP |
1581 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1582 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
1583 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
1584 | VIRTIO_CCW_MAX_REV), | |
1585 | DEFINE_PROP_END_OF_LIST(), | |
1586 | }; | |
1587 | ||
1588 | static void virtio_ccw_crypto_instance_init(Object *obj) | |
1589 | { | |
1590 | VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); | |
1591 | VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); | |
1592 | ||
1593 | ccw_dev->force_revision_1 = true; | |
1594 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
1595 | TYPE_VIRTIO_CRYPTO); | |
1596 | ||
1597 | object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev), | |
1598 | "cryptodev", &error_abort); | |
1599 | } | |
1600 | ||
1601 | static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) | |
1602 | { | |
1603 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1604 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1605 | ||
1606 | k->realize = virtio_ccw_crypto_realize; | |
1607 | k->exit = virtio_ccw_exit; | |
1608 | dc->reset = virtio_ccw_reset; | |
1609 | dc->props = virtio_ccw_crypto_properties; | |
1610 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
1611 | } | |
1612 | ||
1613 | static const TypeInfo virtio_ccw_crypto = { | |
1614 | .name = TYPE_VIRTIO_CRYPTO_CCW, | |
1615 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
1616 | .instance_size = sizeof(VirtIOCryptoCcw), | |
1617 | .instance_init = virtio_ccw_crypto_instance_init, | |
1618 | .class_init = virtio_ccw_crypto_class_init, | |
1619 | }; | |
1620 | ||
5e5ced38 | 1621 | static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) |
a5cf2bb4 CH |
1622 | { |
1623 | VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; | |
a5cf2bb4 | 1624 | |
1bf4d7aa | 1625 | virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); |
1fa75523 | 1626 | virtio_ccw_device_realize(_dev, errp); |
a5cf2bb4 CH |
1627 | } |
1628 | ||
1629 | static int virtio_ccw_busdev_exit(DeviceState *dev) | |
1630 | { | |
1631 | VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; | |
1632 | VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); | |
1633 | ||
1634 | return _info->exit(_dev); | |
1635 | } | |
1636 | ||
b804e8a6 JL |
1637 | static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, |
1638 | DeviceState *dev, Error **errp) | |
a5cf2bb4 | 1639 | { |
b804e8a6 | 1640 | VirtioCcwDevice *_dev = to_virtio_ccw_dev_fast(dev); |
a5cf2bb4 | 1641 | |
0b81c1ef | 1642 | virtio_ccw_stop_ioeventfd(_dev); |
a5cf2bb4 CH |
1643 | } |
1644 | ||
1645 | static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) | |
1646 | { | |
1647 | DeviceClass *dc = DEVICE_CLASS(klass); | |
b804e8a6 | 1648 | CCWDeviceClass *k = CCW_DEVICE_CLASS(dc); |
a5cf2bb4 | 1649 | |
b804e8a6 | 1650 | k->unplug = virtio_ccw_busdev_unplug; |
5e5ced38 | 1651 | dc->realize = virtio_ccw_busdev_realize; |
a5cf2bb4 | 1652 | dc->exit = virtio_ccw_busdev_exit; |
a5cf2bb4 | 1653 | dc->bus_type = TYPE_VIRTUAL_CSS_BUS; |
a5cf2bb4 CH |
1654 | } |
1655 | ||
1656 | static const TypeInfo virtio_ccw_device_info = { | |
1657 | .name = TYPE_VIRTIO_CCW_DEVICE, | |
b804e8a6 | 1658 | .parent = TYPE_CCW_DEVICE, |
a5cf2bb4 CH |
1659 | .instance_size = sizeof(VirtioCcwDevice), |
1660 | .class_init = virtio_ccw_device_class_init, | |
1661 | .class_size = sizeof(VirtIOCCWDeviceClass), | |
1662 | .abstract = true, | |
1663 | }; | |
1664 | ||
a5cf2bb4 CH |
1665 | /* virtio-ccw-bus */ |
1666 | ||
1bf4d7aa AF |
1667 | static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, |
1668 | VirtioCcwDevice *dev) | |
a5cf2bb4 CH |
1669 | { |
1670 | DeviceState *qdev = DEVICE(dev); | |
f4dd69aa | 1671 | char virtio_bus_name[] = "virtio-bus"; |
a5cf2bb4 | 1672 | |
fb17dfe0 AF |
1673 | qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, |
1674 | qdev, virtio_bus_name); | |
a5cf2bb4 CH |
1675 | } |
1676 | ||
1677 | static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) | |
1678 | { | |
1679 | VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); | |
1680 | BusClass *bus_class = BUS_CLASS(klass); | |
1681 | ||
1682 | bus_class->max_dev = 1; | |
1683 | k->notify = virtio_ccw_notify; | |
b4436a0b | 1684 | k->vmstate_change = virtio_ccw_vmstate_change; |
320ce850 | 1685 | k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; |
320ce850 | 1686 | k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; |
bcb2b582 JF |
1687 | k->save_queue = virtio_ccw_save_queue; |
1688 | k->load_queue = virtio_ccw_load_queue; | |
1689 | k->save_config = virtio_ccw_save_config; | |
1690 | k->load_config = virtio_ccw_load_config; | |
d1b4259f | 1691 | k->pre_plugged = virtio_ccw_pre_plugged; |
fb846a09 CH |
1692 | k->device_plugged = virtio_ccw_device_plugged; |
1693 | k->device_unplugged = virtio_ccw_device_unplugged; | |
8e93cef1 | 1694 | k->ioeventfd_enabled = virtio_ccw_ioeventfd_enabled; |
7c55f68a | 1695 | k->ioeventfd_assign = virtio_ccw_ioeventfd_assign; |
a5cf2bb4 CH |
1696 | } |
1697 | ||
1698 | static const TypeInfo virtio_ccw_bus_info = { | |
1699 | .name = TYPE_VIRTIO_CCW_BUS, | |
1700 | .parent = TYPE_VIRTIO_BUS, | |
1701 | .instance_size = sizeof(VirtioCcwBusState), | |
1702 | .class_init = virtio_ccw_bus_class_init, | |
1703 | }; | |
1704 | ||
de6a9218 PM |
1705 | #ifdef CONFIG_VIRTFS |
1706 | static Property virtio_ccw_9p_properties[] = { | |
de6a9218 PM |
1707 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
1708 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
542571d5 CH |
1709 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1710 | VIRTIO_CCW_MAX_REV), | |
de6a9218 PM |
1711 | DEFINE_PROP_END_OF_LIST(), |
1712 | }; | |
1713 | ||
1714 | static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
1715 | { | |
1716 | V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev); | |
1717 | DeviceState *vdev = DEVICE(&dev->vdev); | |
de6a9218 PM |
1718 | |
1719 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
6b62d961 | 1720 | object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
de6a9218 PM |
1721 | } |
1722 | ||
1723 | static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) | |
1724 | { | |
1725 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1726 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1727 | ||
1728 | k->exit = virtio_ccw_exit; | |
1729 | k->realize = virtio_ccw_9p_realize; | |
1730 | dc->reset = virtio_ccw_reset; | |
1731 | dc->props = virtio_ccw_9p_properties; | |
1732 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); | |
1733 | } | |
1734 | ||
1735 | static void virtio_ccw_9p_instance_init(Object *obj) | |
1736 | { | |
1737 | V9fsCCWState *dev = VIRTIO_9P_CCW(obj); | |
1738 | ||
1739 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
1740 | TYPE_VIRTIO_9P); | |
1741 | } | |
1742 | ||
1743 | static const TypeInfo virtio_ccw_9p_info = { | |
1744 | .name = TYPE_VIRTIO_9P_CCW, | |
1745 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
1746 | .instance_size = sizeof(V9fsCCWState), | |
1747 | .instance_init = virtio_ccw_9p_instance_init, | |
1748 | .class_init = virtio_ccw_9p_class_init, | |
1749 | }; | |
1750 | #endif | |
1751 | ||
fc0b9b0e SH |
1752 | #ifdef CONFIG_VHOST_VSOCK |
1753 | ||
1754 | static Property vhost_vsock_ccw_properties[] = { | |
fc0b9b0e SH |
1755 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
1756 | VIRTIO_CCW_MAX_REV), | |
1757 | DEFINE_PROP_END_OF_LIST(), | |
1758 | }; | |
1759 | ||
1760 | static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
1761 | { | |
1762 | VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev); | |
1763 | DeviceState *vdev = DEVICE(&dev->vdev); | |
1764 | Error *err = NULL; | |
1765 | ||
1766 | qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); | |
1767 | object_property_set_bool(OBJECT(vdev), true, "realized", &err); | |
021c9d25 | 1768 | error_propagate(errp, err); |
fc0b9b0e SH |
1769 | } |
1770 | ||
1771 | static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) | |
1772 | { | |
1773 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1774 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
1775 | ||
1776 | k->realize = vhost_vsock_ccw_realize; | |
1777 | k->exit = virtio_ccw_exit; | |
1778 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
1779 | dc->props = vhost_vsock_ccw_properties; | |
1780 | dc->reset = virtio_ccw_reset; | |
1781 | } | |
1782 | ||
1783 | static void vhost_vsock_ccw_instance_init(Object *obj) | |
1784 | { | |
1785 | VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); | |
1786 | ||
1787 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
1788 | TYPE_VHOST_VSOCK); | |
1789 | } | |
1790 | ||
1791 | static const TypeInfo vhost_vsock_ccw_info = { | |
1792 | .name = TYPE_VHOST_VSOCK_CCW, | |
1793 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
1794 | .instance_size = sizeof(VHostVSockCCWState), | |
1795 | .instance_init = vhost_vsock_ccw_instance_init, | |
1796 | .class_init = vhost_vsock_ccw_class_init, | |
1797 | }; | |
1798 | #endif | |
1799 | ||
a5cf2bb4 CH |
1800 | static void virtio_ccw_register(void) |
1801 | { | |
1802 | type_register_static(&virtio_ccw_bus_info); | |
a5cf2bb4 CH |
1803 | type_register_static(&virtio_ccw_device_info); |
1804 | type_register_static(&virtio_ccw_serial); | |
1805 | type_register_static(&virtio_ccw_blk); | |
1806 | type_register_static(&virtio_ccw_net); | |
1807 | type_register_static(&virtio_ccw_balloon); | |
1808 | type_register_static(&virtio_ccw_scsi); | |
b702d2ae | 1809 | #ifdef CONFIG_VHOST_SCSI |
ccf6916c | 1810 | type_register_static(&vhost_ccw_scsi); |
b702d2ae | 1811 | #endif |
2362ecc5 | 1812 | type_register_static(&virtio_ccw_rng); |
de6a9218 PM |
1813 | #ifdef CONFIG_VIRTFS |
1814 | type_register_static(&virtio_ccw_9p_info); | |
1815 | #endif | |
fc0b9b0e SH |
1816 | #ifdef CONFIG_VHOST_VSOCK |
1817 | type_register_static(&vhost_vsock_ccw_info); | |
1818 | #endif | |
d2256070 | 1819 | type_register_static(&virtio_ccw_crypto); |
a5cf2bb4 CH |
1820 | } |
1821 | ||
1822 | type_init(virtio_ccw_register) |