root / hw / s390-virtio-bus.c @ da726e5e
History | View | Annotate | Download (11.4 kB)
1 | f3304eea | Alexander Graf | /*
|
---|---|---|---|
2 | f3304eea | Alexander Graf | * QEMU S390 virtio target
|
3 | f3304eea | Alexander Graf | *
|
4 | f3304eea | Alexander Graf | * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
|
5 | f3304eea | Alexander Graf | *
|
6 | f3304eea | Alexander Graf | * This library is free software; you can redistribute it and/or
|
7 | f3304eea | Alexander Graf | * modify it under the terms of the GNU Lesser General Public
|
8 | f3304eea | Alexander Graf | * License as published by the Free Software Foundation; either
|
9 | f3304eea | Alexander Graf | * version 2 of the License, or (at your option) any later version.
|
10 | f3304eea | Alexander Graf | *
|
11 | f3304eea | Alexander Graf | * This library is distributed in the hope that it will be useful,
|
12 | f3304eea | Alexander Graf | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | f3304eea | Alexander Graf | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | f3304eea | Alexander Graf | * Lesser General Public License for more details.
|
15 | f3304eea | Alexander Graf | *
|
16 | f3304eea | Alexander Graf | * You should have received a copy of the GNU Lesser General Public
|
17 | f3304eea | Alexander Graf | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
18 | f3304eea | Alexander Graf | */
|
19 | f3304eea | Alexander Graf | |
20 | f3304eea | Alexander Graf | #include "hw.h" |
21 | f3304eea | Alexander Graf | #include "block.h" |
22 | f3304eea | Alexander Graf | #include "sysemu.h" |
23 | f3304eea | Alexander Graf | #include "net.h" |
24 | f3304eea | Alexander Graf | #include "boards.h" |
25 | f3304eea | Alexander Graf | #include "monitor.h" |
26 | f3304eea | Alexander Graf | #include "loader.h" |
27 | f3304eea | Alexander Graf | #include "elf.h" |
28 | f3304eea | Alexander Graf | #include "hw/virtio.h" |
29 | 98b19252 | Amit Shah | #include "hw/virtio-serial.h" |
30 | f0c07c7c | Alex Williamson | #include "hw/virtio-net.h" |
31 | f3304eea | Alexander Graf | #include "hw/sysbus.h" |
32 | f3304eea | Alexander Graf | #include "kvm.h" |
33 | f3304eea | Alexander Graf | |
34 | f3304eea | Alexander Graf | #include "hw/s390-virtio-bus.h" |
35 | f3304eea | Alexander Graf | |
36 | f3304eea | Alexander Graf | /* #define DEBUG_S390 */
|
37 | f3304eea | Alexander Graf | |
38 | f3304eea | Alexander Graf | #ifdef DEBUG_S390
|
39 | f3304eea | Alexander Graf | #define dprintf(fmt, ...) \
|
40 | f3304eea | Alexander Graf | do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
41 | f3304eea | Alexander Graf | #else
|
42 | f3304eea | Alexander Graf | #define dprintf(fmt, ...) \
|
43 | f3304eea | Alexander Graf | do { } while (0) |
44 | f3304eea | Alexander Graf | #endif
|
45 | f3304eea | Alexander Graf | |
46 | 8103b4d1 | Alexander Graf | #define VIRTIO_EXT_CODE 0x2603 |
47 | 8103b4d1 | Alexander Graf | |
48 | f3304eea | Alexander Graf | struct BusInfo s390_virtio_bus_info = {
|
49 | f3304eea | Alexander Graf | .name = "s390-virtio",
|
50 | f3304eea | Alexander Graf | .size = sizeof(VirtIOS390Bus),
|
51 | f3304eea | Alexander Graf | }; |
52 | f3304eea | Alexander Graf | |
53 | f3304eea | Alexander Graf | typedef struct { |
54 | f3304eea | Alexander Graf | DeviceInfo qdev; |
55 | f3304eea | Alexander Graf | int (*init)(VirtIOS390Device *dev);
|
56 | f3304eea | Alexander Graf | } VirtIOS390DeviceInfo; |
57 | f3304eea | Alexander Graf | |
58 | f3304eea | Alexander Graf | |
59 | f3304eea | Alexander Graf | static const VirtIOBindings virtio_s390_bindings; |
60 | f3304eea | Alexander Graf | |
61 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
|
62 | f3304eea | Alexander Graf | |
63 | d1ff903c | Alexander Graf | /* length of VirtIO device pages */
|
64 | d1ff903c | Alexander Graf | const target_phys_addr_t virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
|
65 | d1ff903c | Alexander Graf | |
66 | f3304eea | Alexander Graf | VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
67 | f3304eea | Alexander Graf | { |
68 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
69 | f3304eea | Alexander Graf | BusState *_bus; |
70 | f3304eea | Alexander Graf | DeviceState *dev; |
71 | f3304eea | Alexander Graf | |
72 | f3304eea | Alexander Graf | /* Create bridge device */
|
73 | f3304eea | Alexander Graf | dev = qdev_create(NULL, "s390-virtio-bridge"); |
74 | f3304eea | Alexander Graf | qdev_init_nofail(dev); |
75 | f3304eea | Alexander Graf | |
76 | f3304eea | Alexander Graf | /* Create bus on bridge device */
|
77 | f3304eea | Alexander Graf | |
78 | f3304eea | Alexander Graf | _bus = qbus_create(&s390_virtio_bus_info, dev, "s390-virtio");
|
79 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
80 | f3304eea | Alexander Graf | |
81 | f3304eea | Alexander Graf | bus->dev_page = *ram_size; |
82 | f3304eea | Alexander Graf | bus->dev_offs = bus->dev_page; |
83 | f3304eea | Alexander Graf | bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
84 | f3304eea | Alexander Graf | |
85 | f3304eea | Alexander Graf | /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
|
86 | f3304eea | Alexander Graf | *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
87 | f3304eea | Alexander Graf | |
88 | f3304eea | Alexander Graf | return bus;
|
89 | f3304eea | Alexander Graf | } |
90 | f3304eea | Alexander Graf | |
91 | f3304eea | Alexander Graf | static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
92 | f3304eea | Alexander Graf | { |
93 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
94 | f3304eea | Alexander Graf | int dev_len;
|
95 | f3304eea | Alexander Graf | |
96 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
97 | f3304eea | Alexander Graf | dev->vdev = vdev; |
98 | f3304eea | Alexander Graf | dev->dev_offs = bus->dev_offs; |
99 | f3304eea | Alexander Graf | dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ |
100 | f3304eea | Alexander Graf | |
101 | f3304eea | Alexander Graf | dev_len = VIRTIO_DEV_OFFS_CONFIG; |
102 | f3304eea | Alexander Graf | dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; |
103 | f3304eea | Alexander Graf | dev_len += dev->feat_len * 2;
|
104 | f3304eea | Alexander Graf | dev_len += vdev->config_len; |
105 | f3304eea | Alexander Graf | |
106 | f3304eea | Alexander Graf | bus->dev_offs += dev_len; |
107 | f3304eea | Alexander Graf | |
108 | f3304eea | Alexander Graf | virtio_bind_device(vdev, &virtio_s390_bindings, dev); |
109 | 8172539d | Michael S. Tsirkin | dev->host_features = vdev->get_features(vdev, dev->host_features); |
110 | f3304eea | Alexander Graf | s390_virtio_device_sync(dev); |
111 | f3304eea | Alexander Graf | |
112 | f3304eea | Alexander Graf | return 0; |
113 | f3304eea | Alexander Graf | } |
114 | f3304eea | Alexander Graf | |
115 | f3304eea | Alexander Graf | static int s390_virtio_net_init(VirtIOS390Device *dev) |
116 | f3304eea | Alexander Graf | { |
117 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
118 | f3304eea | Alexander Graf | |
119 | f0c07c7c | Alex Williamson | vdev = virtio_net_init((DeviceState *)dev, &dev->nic, &dev->net); |
120 | f3304eea | Alexander Graf | if (!vdev) {
|
121 | f3304eea | Alexander Graf | return -1; |
122 | f3304eea | Alexander Graf | } |
123 | f3304eea | Alexander Graf | |
124 | f3304eea | Alexander Graf | return s390_virtio_device_init(dev, vdev);
|
125 | f3304eea | Alexander Graf | } |
126 | f3304eea | Alexander Graf | |
127 | f3304eea | Alexander Graf | static int s390_virtio_blk_init(VirtIOS390Device *dev) |
128 | f3304eea | Alexander Graf | { |
129 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
130 | f3304eea | Alexander Graf | |
131 | a8686a9b | Markus Armbruster | vdev = virtio_blk_init((DeviceState *)dev, &dev->block, |
132 | a8686a9b | Markus Armbruster | &dev->block_serial); |
133 | f3304eea | Alexander Graf | if (!vdev) {
|
134 | f3304eea | Alexander Graf | return -1; |
135 | f3304eea | Alexander Graf | } |
136 | f3304eea | Alexander Graf | |
137 | f3304eea | Alexander Graf | return s390_virtio_device_init(dev, vdev);
|
138 | f3304eea | Alexander Graf | } |
139 | f3304eea | Alexander Graf | |
140 | 98b19252 | Amit Shah | static int s390_virtio_serial_init(VirtIOS390Device *dev) |
141 | f3304eea | Alexander Graf | { |
142 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
143 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
144 | f3304eea | Alexander Graf | int r;
|
145 | f3304eea | Alexander Graf | |
146 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
147 | f3304eea | Alexander Graf | |
148 | 6be9b414 | Alexander Graf | vdev = virtio_serial_init((DeviceState *)dev, &dev->serial); |
149 | f3304eea | Alexander Graf | if (!vdev) {
|
150 | f3304eea | Alexander Graf | return -1; |
151 | f3304eea | Alexander Graf | } |
152 | f3304eea | Alexander Graf | |
153 | f3304eea | Alexander Graf | r = s390_virtio_device_init(dev, vdev); |
154 | f3304eea | Alexander Graf | if (!r) {
|
155 | f3304eea | Alexander Graf | bus->console = dev; |
156 | f3304eea | Alexander Graf | } |
157 | f3304eea | Alexander Graf | |
158 | f3304eea | Alexander Graf | return r;
|
159 | f3304eea | Alexander Graf | } |
160 | f3304eea | Alexander Graf | |
161 | f3304eea | Alexander Graf | static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
162 | f3304eea | Alexander Graf | { |
163 | f3304eea | Alexander Graf | ram_addr_t token_off; |
164 | f3304eea | Alexander Graf | |
165 | f3304eea | Alexander Graf | token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
166 | f3304eea | Alexander Graf | (vq * VIRTIO_VQCONFIG_LEN) + |
167 | f3304eea | Alexander Graf | VIRTIO_VQCONFIG_OFFS_TOKEN; |
168 | f3304eea | Alexander Graf | |
169 | 04bc74ed | Alexander Graf | return ldq_be_phys(token_off);
|
170 | f3304eea | Alexander Graf | } |
171 | f3304eea | Alexander Graf | |
172 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
|
173 | f3304eea | Alexander Graf | { |
174 | f3304eea | Alexander Graf | VirtIODevice *vdev = dev->vdev; |
175 | f3304eea | Alexander Graf | int num_vq;
|
176 | f3304eea | Alexander Graf | |
177 | f3304eea | Alexander Graf | for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { |
178 | f3304eea | Alexander Graf | if (!virtio_queue_get_num(vdev, num_vq)) {
|
179 | f3304eea | Alexander Graf | break;
|
180 | f3304eea | Alexander Graf | } |
181 | f3304eea | Alexander Graf | } |
182 | f3304eea | Alexander Graf | |
183 | f3304eea | Alexander Graf | return num_vq;
|
184 | f3304eea | Alexander Graf | } |
185 | f3304eea | Alexander Graf | |
186 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
|
187 | f3304eea | Alexander Graf | { |
188 | f3304eea | Alexander Graf | ram_addr_t r = bus->next_ring; |
189 | f3304eea | Alexander Graf | |
190 | f3304eea | Alexander Graf | bus->next_ring += VIRTIO_RING_LEN; |
191 | f3304eea | Alexander Graf | return r;
|
192 | f3304eea | Alexander Graf | } |
193 | f3304eea | Alexander Graf | |
194 | baf0b55a | Alexander Graf | void s390_virtio_device_sync(VirtIOS390Device *dev)
|
195 | f3304eea | Alexander Graf | { |
196 | f3304eea | Alexander Graf | VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
197 | f3304eea | Alexander Graf | ram_addr_t cur_offs; |
198 | f3304eea | Alexander Graf | uint8_t num_vq; |
199 | f3304eea | Alexander Graf | int i;
|
200 | f3304eea | Alexander Graf | |
201 | f3304eea | Alexander Graf | virtio_reset(dev->vdev); |
202 | f3304eea | Alexander Graf | |
203 | f3304eea | Alexander Graf | /* Sync dev space */
|
204 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); |
205 | f3304eea | Alexander Graf | |
206 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); |
207 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); |
208 | f3304eea | Alexander Graf | |
209 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); |
210 | f3304eea | Alexander Graf | |
211 | f3304eea | Alexander Graf | num_vq = s390_virtio_device_num_vq(dev); |
212 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); |
213 | f3304eea | Alexander Graf | |
214 | f3304eea | Alexander Graf | /* Sync virtqueues */
|
215 | f3304eea | Alexander Graf | for (i = 0; i < num_vq; i++) { |
216 | f3304eea | Alexander Graf | ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
217 | f3304eea | Alexander Graf | (i * VIRTIO_VQCONFIG_LEN); |
218 | f3304eea | Alexander Graf | ram_addr_t vring; |
219 | f3304eea | Alexander Graf | |
220 | f3304eea | Alexander Graf | vring = s390_virtio_next_ring(bus); |
221 | f3304eea | Alexander Graf | virtio_queue_set_addr(dev->vdev, i, vring); |
222 | f3304eea | Alexander Graf | virtio_queue_set_vector(dev->vdev, i, i); |
223 | 04bc74ed | Alexander Graf | stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
224 | 04bc74ed | Alexander Graf | stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); |
225 | f3304eea | Alexander Graf | } |
226 | f3304eea | Alexander Graf | |
227 | f3304eea | Alexander Graf | cur_offs = dev->dev_offs; |
228 | f3304eea | Alexander Graf | cur_offs += VIRTIO_DEV_OFFS_CONFIG; |
229 | f3304eea | Alexander Graf | cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; |
230 | f3304eea | Alexander Graf | |
231 | f3304eea | Alexander Graf | /* Sync feature bitmap */
|
232 | 04bc74ed | Alexander Graf | stl_le_phys(cur_offs, dev->host_features); |
233 | f3304eea | Alexander Graf | |
234 | f3304eea | Alexander Graf | dev->feat_offs = cur_offs + dev->feat_len; |
235 | f3304eea | Alexander Graf | cur_offs += dev->feat_len * 2;
|
236 | f3304eea | Alexander Graf | |
237 | f3304eea | Alexander Graf | /* Sync config space */
|
238 | f3304eea | Alexander Graf | if (dev->vdev->get_config) {
|
239 | f3304eea | Alexander Graf | dev->vdev->get_config(dev->vdev, dev->vdev->config); |
240 | f3304eea | Alexander Graf | } |
241 | f3304eea | Alexander Graf | |
242 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_write(cur_offs, |
243 | 54f7b4a3 | Stefan Weil | dev->vdev->config, dev->vdev->config_len); |
244 | f3304eea | Alexander Graf | cur_offs += dev->vdev->config_len; |
245 | f3304eea | Alexander Graf | } |
246 | f3304eea | Alexander Graf | |
247 | f3304eea | Alexander Graf | void s390_virtio_device_update_status(VirtIOS390Device *dev)
|
248 | f3304eea | Alexander Graf | { |
249 | f3304eea | Alexander Graf | VirtIODevice *vdev = dev->vdev; |
250 | f3304eea | Alexander Graf | uint32_t features; |
251 | f3304eea | Alexander Graf | |
252 | 3e607cb5 | Michael S. Tsirkin | virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
253 | f3304eea | Alexander Graf | |
254 | f3304eea | Alexander Graf | /* Update guest supported feature bitmap */
|
255 | f3304eea | Alexander Graf | |
256 | 04bc74ed | Alexander Graf | features = bswap32(ldl_be_phys(dev->feat_offs)); |
257 | f3304eea | Alexander Graf | if (vdev->set_features) {
|
258 | f3304eea | Alexander Graf | vdev->set_features(vdev, features); |
259 | f3304eea | Alexander Graf | } |
260 | 704a76fc | Michael S. Tsirkin | vdev->guest_features = features; |
261 | f3304eea | Alexander Graf | } |
262 | f3304eea | Alexander Graf | |
263 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) |
264 | f3304eea | Alexander Graf | { |
265 | f3304eea | Alexander Graf | return bus->console;
|
266 | f3304eea | Alexander Graf | } |
267 | f3304eea | Alexander Graf | |
268 | f3304eea | Alexander Graf | /* Find a device by vring address */
|
269 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
270 | f3304eea | Alexander Graf | ram_addr_t mem, |
271 | f3304eea | Alexander Graf | int *vq_num)
|
272 | f3304eea | Alexander Graf | { |
273 | f3304eea | Alexander Graf | VirtIOS390Device *_dev; |
274 | f3304eea | Alexander Graf | DeviceState *dev; |
275 | f3304eea | Alexander Graf | int i;
|
276 | f3304eea | Alexander Graf | |
277 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->bus.children, sibling) { |
278 | f3304eea | Alexander Graf | _dev = (VirtIOS390Device *)dev; |
279 | f3304eea | Alexander Graf | for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
280 | f3304eea | Alexander Graf | if (!virtio_queue_get_addr(_dev->vdev, i))
|
281 | f3304eea | Alexander Graf | break;
|
282 | f3304eea | Alexander Graf | if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
|
283 | f3304eea | Alexander Graf | if (vq_num) {
|
284 | f3304eea | Alexander Graf | *vq_num = i; |
285 | f3304eea | Alexander Graf | } |
286 | f3304eea | Alexander Graf | return _dev;
|
287 | f3304eea | Alexander Graf | } |
288 | f3304eea | Alexander Graf | } |
289 | f3304eea | Alexander Graf | } |
290 | f3304eea | Alexander Graf | |
291 | f3304eea | Alexander Graf | return NULL; |
292 | f3304eea | Alexander Graf | } |
293 | f3304eea | Alexander Graf | |
294 | f3304eea | Alexander Graf | /* Find a device by device descriptor location */
|
295 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) |
296 | f3304eea | Alexander Graf | { |
297 | f3304eea | Alexander Graf | VirtIOS390Device *_dev; |
298 | f3304eea | Alexander Graf | DeviceState *dev; |
299 | f3304eea | Alexander Graf | |
300 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->bus.children, sibling) { |
301 | f3304eea | Alexander Graf | _dev = (VirtIOS390Device *)dev; |
302 | f3304eea | Alexander Graf | if (_dev->dev_offs == mem) {
|
303 | f3304eea | Alexander Graf | return _dev;
|
304 | f3304eea | Alexander Graf | } |
305 | f3304eea | Alexander Graf | } |
306 | f3304eea | Alexander Graf | |
307 | f3304eea | Alexander Graf | return NULL; |
308 | f3304eea | Alexander Graf | } |
309 | f3304eea | Alexander Graf | |
310 | f3304eea | Alexander Graf | static void virtio_s390_notify(void *opaque, uint16_t vector) |
311 | f3304eea | Alexander Graf | { |
312 | f3304eea | Alexander Graf | VirtIOS390Device *dev = (VirtIOS390Device*)opaque; |
313 | f3304eea | Alexander Graf | uint64_t token = s390_virtio_device_vq_token(dev, vector); |
314 | 8103b4d1 | Alexander Graf | CPUState *env = s390_cpu_addr2state(0);
|
315 | f3304eea | Alexander Graf | |
316 | 8103b4d1 | Alexander Graf | if (kvm_enabled()) {
|
317 | 8103b4d1 | Alexander Graf | kvm_s390_virtio_irq(env, 0, token);
|
318 | 8103b4d1 | Alexander Graf | } else {
|
319 | 8103b4d1 | Alexander Graf | cpu_inject_ext(env, VIRTIO_EXT_CODE, 0, token);
|
320 | 8103b4d1 | Alexander Graf | } |
321 | f3304eea | Alexander Graf | } |
322 | f3304eea | Alexander Graf | |
323 | 8172539d | Michael S. Tsirkin | static unsigned virtio_s390_get_features(void *opaque) |
324 | 8172539d | Michael S. Tsirkin | { |
325 | 8172539d | Michael S. Tsirkin | VirtIOS390Device *dev = (VirtIOS390Device*)opaque; |
326 | 8172539d | Michael S. Tsirkin | return dev->host_features;
|
327 | 8172539d | Michael S. Tsirkin | } |
328 | 8172539d | Michael S. Tsirkin | |
329 | f3304eea | Alexander Graf | /**************** S390 Virtio Bus Device Descriptions *******************/
|
330 | f3304eea | Alexander Graf | |
331 | f3304eea | Alexander Graf | static const VirtIOBindings virtio_s390_bindings = { |
332 | f3304eea | Alexander Graf | .notify = virtio_s390_notify, |
333 | 8172539d | Michael S. Tsirkin | .get_features = virtio_s390_get_features, |
334 | f3304eea | Alexander Graf | }; |
335 | f3304eea | Alexander Graf | |
336 | f3304eea | Alexander Graf | static VirtIOS390DeviceInfo s390_virtio_net = {
|
337 | f3304eea | Alexander Graf | .init = s390_virtio_net_init, |
338 | f3304eea | Alexander Graf | .qdev.name = "virtio-net-s390",
|
339 | 29f82b37 | Alexander Graf | .qdev.alias = "virtio-net",
|
340 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
|
341 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
342 | f3304eea | Alexander Graf | DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic), |
343 | f0c07c7c | Alex Williamson | DEFINE_PROP_UINT32("x-txtimer", VirtIOS390Device,
|
344 | f0c07c7c | Alex Williamson | net.txtimer, TX_TIMER_INTERVAL), |
345 | e3f30488 | Alex Williamson | DEFINE_PROP_INT32("x-txburst", VirtIOS390Device,
|
346 | e3f30488 | Alex Williamson | net.txburst, TX_BURST), |
347 | a697a334 | Alex Williamson | DEFINE_PROP_STRING("tx", VirtIOS390Device, net.tx),
|
348 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
349 | f3304eea | Alexander Graf | }, |
350 | f3304eea | Alexander Graf | }; |
351 | f3304eea | Alexander Graf | |
352 | f3304eea | Alexander Graf | static VirtIOS390DeviceInfo s390_virtio_blk = {
|
353 | f3304eea | Alexander Graf | .init = s390_virtio_blk_init, |
354 | f3304eea | Alexander Graf | .qdev.name = "virtio-blk-s390",
|
355 | 29f82b37 | Alexander Graf | .qdev.alias = "virtio-blk",
|
356 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
|
357 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
358 | 428c149b | Christoph Hellwig | DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, block), |
359 | a8686a9b | Markus Armbruster | DEFINE_PROP_STRING("serial", VirtIOS390Device, block_serial),
|
360 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
361 | f3304eea | Alexander Graf | }, |
362 | f3304eea | Alexander Graf | }; |
363 | f3304eea | Alexander Graf | |
364 | 98b19252 | Amit Shah | static VirtIOS390DeviceInfo s390_virtio_serial = {
|
365 | 98b19252 | Amit Shah | .init = s390_virtio_serial_init, |
366 | 98b19252 | Amit Shah | .qdev.name = "virtio-serial-s390",
|
367 | 98b19252 | Amit Shah | .qdev.alias = "virtio-serial",
|
368 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
|
369 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
370 | 6be9b414 | Alexander Graf | DEFINE_PROP_UINT32("max_ports", VirtIOS390Device,
|
371 | 6be9b414 | Alexander Graf | serial.max_virtserial_ports, 31),
|
372 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
373 | f3304eea | Alexander Graf | }, |
374 | f3304eea | Alexander Graf | }; |
375 | f3304eea | Alexander Graf | |
376 | f3304eea | Alexander Graf | static int s390_virtio_busdev_init(DeviceState *dev, DeviceInfo *info) |
377 | f3304eea | Alexander Graf | { |
378 | f3304eea | Alexander Graf | VirtIOS390DeviceInfo *_info = (VirtIOS390DeviceInfo *)info; |
379 | f3304eea | Alexander Graf | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
380 | f3304eea | Alexander Graf | |
381 | f3304eea | Alexander Graf | return _info->init(_dev);
|
382 | f3304eea | Alexander Graf | } |
383 | f3304eea | Alexander Graf | |
384 | f3304eea | Alexander Graf | static void s390_virtio_bus_register_withprop(VirtIOS390DeviceInfo *info) |
385 | f3304eea | Alexander Graf | { |
386 | f3304eea | Alexander Graf | info->qdev.init = s390_virtio_busdev_init; |
387 | f3304eea | Alexander Graf | info->qdev.bus_info = &s390_virtio_bus_info; |
388 | f3304eea | Alexander Graf | |
389 | f3304eea | Alexander Graf | assert(info->qdev.size >= sizeof(VirtIOS390Device));
|
390 | f3304eea | Alexander Graf | qdev_register(&info->qdev); |
391 | f3304eea | Alexander Graf | } |
392 | f3304eea | Alexander Graf | |
393 | f3304eea | Alexander Graf | static void s390_virtio_register(void) |
394 | f3304eea | Alexander Graf | { |
395 | 98b19252 | Amit Shah | s390_virtio_bus_register_withprop(&s390_virtio_serial); |
396 | f3304eea | Alexander Graf | s390_virtio_bus_register_withprop(&s390_virtio_blk); |
397 | f3304eea | Alexander Graf | s390_virtio_bus_register_withprop(&s390_virtio_net); |
398 | f3304eea | Alexander Graf | } |
399 | f3304eea | Alexander Graf | device_init(s390_virtio_register); |
400 | f3304eea | Alexander Graf | |
401 | f3304eea | Alexander Graf | |
402 | f3304eea | Alexander Graf | /***************** S390 Virtio Bus Bridge Device *******************/
|
403 | f3304eea | Alexander Graf | /* Only required to have the virtio bus as child in the system bus */
|
404 | f3304eea | Alexander Graf | |
405 | f3304eea | Alexander Graf | static int s390_virtio_bridge_init(SysBusDevice *dev) |
406 | f3304eea | Alexander Graf | { |
407 | f3304eea | Alexander Graf | /* nothing */
|
408 | f3304eea | Alexander Graf | return 0; |
409 | f3304eea | Alexander Graf | } |
410 | f3304eea | Alexander Graf | |
411 | f3304eea | Alexander Graf | static SysBusDeviceInfo s390_virtio_bridge_info = {
|
412 | f3304eea | Alexander Graf | .init = s390_virtio_bridge_init, |
413 | f3304eea | Alexander Graf | .qdev.name = "s390-virtio-bridge",
|
414 | f3304eea | Alexander Graf | .qdev.size = sizeof(SysBusDevice),
|
415 | f3304eea | Alexander Graf | .qdev.no_user = 1,
|
416 | f3304eea | Alexander Graf | }; |
417 | f3304eea | Alexander Graf | |
418 | f3304eea | Alexander Graf | static void s390_virtio_register_devices(void) |
419 | f3304eea | Alexander Graf | { |
420 | f3304eea | Alexander Graf | sysbus_register_withprop(&s390_virtio_bridge_info); |
421 | f3304eea | Alexander Graf | } |
422 | f3304eea | Alexander Graf | |
423 | f3304eea | Alexander Graf | device_init(s390_virtio_register_devices) |