root / hw / s390-virtio-bus.c @ 879c2813
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1 | f3304eea | Alexander Graf | /*
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2 | f3304eea | Alexander Graf | * QEMU S390 virtio target
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3 | f3304eea | Alexander Graf | *
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4 | f3304eea | Alexander Graf | * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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5 | f3304eea | Alexander Graf | *
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6 | f3304eea | Alexander Graf | * This library is free software; you can redistribute it and/or
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7 | f3304eea | Alexander Graf | * modify it under the terms of the GNU Lesser General Public
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8 | f3304eea | Alexander Graf | * License as published by the Free Software Foundation; either
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9 | f3304eea | Alexander Graf | * version 2 of the License, or (at your option) any later version.
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10 | f3304eea | Alexander Graf | *
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11 | f3304eea | Alexander Graf | * This library is distributed in the hope that it will be useful,
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12 | f3304eea | Alexander Graf | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | f3304eea | Alexander Graf | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | f3304eea | Alexander Graf | * Lesser General Public License for more details.
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15 | f3304eea | Alexander Graf | *
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16 | f3304eea | Alexander Graf | * You should have received a copy of the GNU Lesser General Public
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17 | f3304eea | Alexander Graf | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | f3304eea | Alexander Graf | */
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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 | f3304eea | Alexander Graf | #include "hw/sysbus.h" |
31 | f3304eea | Alexander Graf | #include "kvm.h" |
32 | f3304eea | Alexander Graf | |
33 | f3304eea | Alexander Graf | #include "hw/s390-virtio-bus.h" |
34 | f3304eea | Alexander Graf | |
35 | f3304eea | Alexander Graf | /* #define DEBUG_S390 */
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36 | f3304eea | Alexander Graf | |
37 | f3304eea | Alexander Graf | #ifdef DEBUG_S390
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38 | f3304eea | Alexander Graf | #define dprintf(fmt, ...) \
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39 | f3304eea | Alexander Graf | do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
40 | f3304eea | Alexander Graf | #else
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41 | f3304eea | Alexander Graf | #define dprintf(fmt, ...) \
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42 | f3304eea | Alexander Graf | do { } while (0) |
43 | f3304eea | Alexander Graf | #endif
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44 | f3304eea | Alexander Graf | |
45 | f3304eea | Alexander Graf | struct BusInfo s390_virtio_bus_info = {
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46 | f3304eea | Alexander Graf | .name = "s390-virtio",
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47 | f3304eea | Alexander Graf | .size = sizeof(VirtIOS390Bus),
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48 | f3304eea | Alexander Graf | }; |
49 | f3304eea | Alexander Graf | |
50 | f3304eea | Alexander Graf | typedef struct { |
51 | f3304eea | Alexander Graf | DeviceInfo qdev; |
52 | f3304eea | Alexander Graf | int (*init)(VirtIOS390Device *dev);
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53 | f3304eea | Alexander Graf | } VirtIOS390DeviceInfo; |
54 | f3304eea | Alexander Graf | |
55 | f3304eea | Alexander Graf | |
56 | f3304eea | Alexander Graf | static const VirtIOBindings virtio_s390_bindings; |
57 | f3304eea | Alexander Graf | |
58 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
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59 | f3304eea | Alexander Graf | |
60 | f3304eea | Alexander Graf | VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size) |
61 | f3304eea | Alexander Graf | { |
62 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
63 | f3304eea | Alexander Graf | BusState *_bus; |
64 | f3304eea | Alexander Graf | DeviceState *dev; |
65 | f3304eea | Alexander Graf | |
66 | f3304eea | Alexander Graf | /* Create bridge device */
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67 | f3304eea | Alexander Graf | dev = qdev_create(NULL, "s390-virtio-bridge"); |
68 | f3304eea | Alexander Graf | qdev_init_nofail(dev); |
69 | f3304eea | Alexander Graf | |
70 | f3304eea | Alexander Graf | /* Create bus on bridge device */
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71 | f3304eea | Alexander Graf | |
72 | f3304eea | Alexander Graf | _bus = qbus_create(&s390_virtio_bus_info, dev, "s390-virtio");
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73 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, _bus); |
74 | f3304eea | Alexander Graf | |
75 | f3304eea | Alexander Graf | bus->dev_page = *ram_size; |
76 | f3304eea | Alexander Graf | bus->dev_offs = bus->dev_page; |
77 | f3304eea | Alexander Graf | bus->next_ring = bus->dev_page + TARGET_PAGE_SIZE; |
78 | f3304eea | Alexander Graf | |
79 | f3304eea | Alexander Graf | /* Allocate RAM for VirtIO device pages (descriptors, queues, rings) */
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80 | f3304eea | Alexander Graf | *ram_size += S390_DEVICE_PAGES * TARGET_PAGE_SIZE; |
81 | f3304eea | Alexander Graf | |
82 | f3304eea | Alexander Graf | return bus;
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83 | f3304eea | Alexander Graf | } |
84 | f3304eea | Alexander Graf | |
85 | f3304eea | Alexander Graf | static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) |
86 | f3304eea | Alexander Graf | { |
87 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
88 | f3304eea | Alexander Graf | int dev_len;
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89 | f3304eea | Alexander Graf | |
90 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
91 | f3304eea | Alexander Graf | dev->vdev = vdev; |
92 | f3304eea | Alexander Graf | dev->dev_offs = bus->dev_offs; |
93 | f3304eea | Alexander Graf | dev->feat_len = sizeof(uint32_t); /* always keep 32 bits features */ |
94 | f3304eea | Alexander Graf | |
95 | f3304eea | Alexander Graf | dev_len = VIRTIO_DEV_OFFS_CONFIG; |
96 | f3304eea | Alexander Graf | dev_len += s390_virtio_device_num_vq(dev) * VIRTIO_VQCONFIG_LEN; |
97 | f3304eea | Alexander Graf | dev_len += dev->feat_len * 2;
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98 | f3304eea | Alexander Graf | dev_len += vdev->config_len; |
99 | f3304eea | Alexander Graf | |
100 | f3304eea | Alexander Graf | bus->dev_offs += dev_len; |
101 | f3304eea | Alexander Graf | |
102 | f3304eea | Alexander Graf | virtio_bind_device(vdev, &virtio_s390_bindings, dev); |
103 | 8172539d | Michael S. Tsirkin | dev->host_features = vdev->get_features(vdev, dev->host_features); |
104 | f3304eea | Alexander Graf | s390_virtio_device_sync(dev); |
105 | f3304eea | Alexander Graf | |
106 | f3304eea | Alexander Graf | return 0; |
107 | f3304eea | Alexander Graf | } |
108 | f3304eea | Alexander Graf | |
109 | f3304eea | Alexander Graf | static int s390_virtio_net_init(VirtIOS390Device *dev) |
110 | f3304eea | Alexander Graf | { |
111 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
112 | f3304eea | Alexander Graf | |
113 | f3304eea | Alexander Graf | vdev = virtio_net_init((DeviceState *)dev, &dev->nic); |
114 | f3304eea | Alexander Graf | if (!vdev) {
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115 | f3304eea | Alexander Graf | return -1; |
116 | f3304eea | Alexander Graf | } |
117 | f3304eea | Alexander Graf | |
118 | f3304eea | Alexander Graf | return s390_virtio_device_init(dev, vdev);
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119 | f3304eea | Alexander Graf | } |
120 | f3304eea | Alexander Graf | |
121 | f3304eea | Alexander Graf | static int s390_virtio_blk_init(VirtIOS390Device *dev) |
122 | f3304eea | Alexander Graf | { |
123 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
124 | f3304eea | Alexander Graf | |
125 | ad509737 | Amit Shah | vdev = virtio_blk_init((DeviceState *)dev, &dev->block); |
126 | f3304eea | Alexander Graf | if (!vdev) {
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127 | f3304eea | Alexander Graf | return -1; |
128 | f3304eea | Alexander Graf | } |
129 | f3304eea | Alexander Graf | |
130 | f3304eea | Alexander Graf | return s390_virtio_device_init(dev, vdev);
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131 | f3304eea | Alexander Graf | } |
132 | f3304eea | Alexander Graf | |
133 | 98b19252 | Amit Shah | static int s390_virtio_serial_init(VirtIOS390Device *dev) |
134 | f3304eea | Alexander Graf | { |
135 | f3304eea | Alexander Graf | VirtIOS390Bus *bus; |
136 | f3304eea | Alexander Graf | VirtIODevice *vdev; |
137 | f3304eea | Alexander Graf | int r;
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138 | f3304eea | Alexander Graf | |
139 | f3304eea | Alexander Graf | bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
140 | f3304eea | Alexander Graf | |
141 | 98b19252 | Amit Shah | vdev = virtio_serial_init((DeviceState *)dev, dev->max_virtserial_ports); |
142 | f3304eea | Alexander Graf | if (!vdev) {
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143 | f3304eea | Alexander Graf | return -1; |
144 | f3304eea | Alexander Graf | } |
145 | f3304eea | Alexander Graf | |
146 | f3304eea | Alexander Graf | r = s390_virtio_device_init(dev, vdev); |
147 | f3304eea | Alexander Graf | if (!r) {
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148 | f3304eea | Alexander Graf | bus->console = dev; |
149 | f3304eea | Alexander Graf | } |
150 | f3304eea | Alexander Graf | |
151 | f3304eea | Alexander Graf | return r;
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152 | f3304eea | Alexander Graf | } |
153 | f3304eea | Alexander Graf | |
154 | f3304eea | Alexander Graf | static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq) |
155 | f3304eea | Alexander Graf | { |
156 | f3304eea | Alexander Graf | ram_addr_t token_off; |
157 | f3304eea | Alexander Graf | |
158 | f3304eea | Alexander Graf | token_off = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
159 | f3304eea | Alexander Graf | (vq * VIRTIO_VQCONFIG_LEN) + |
160 | f3304eea | Alexander Graf | VIRTIO_VQCONFIG_OFFS_TOKEN; |
161 | f3304eea | Alexander Graf | |
162 | f3304eea | Alexander Graf | return ldq_phys(token_off);
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163 | f3304eea | Alexander Graf | } |
164 | f3304eea | Alexander Graf | |
165 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
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166 | f3304eea | Alexander Graf | { |
167 | f3304eea | Alexander Graf | VirtIODevice *vdev = dev->vdev; |
168 | f3304eea | Alexander Graf | int num_vq;
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169 | f3304eea | Alexander Graf | |
170 | f3304eea | Alexander Graf | for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) { |
171 | f3304eea | Alexander Graf | if (!virtio_queue_get_num(vdev, num_vq)) {
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172 | f3304eea | Alexander Graf | break;
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173 | f3304eea | Alexander Graf | } |
174 | f3304eea | Alexander Graf | } |
175 | f3304eea | Alexander Graf | |
176 | f3304eea | Alexander Graf | return num_vq;
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177 | f3304eea | Alexander Graf | } |
178 | f3304eea | Alexander Graf | |
179 | f3304eea | Alexander Graf | static ram_addr_t s390_virtio_next_ring(VirtIOS390Bus *bus)
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180 | f3304eea | Alexander Graf | { |
181 | f3304eea | Alexander Graf | ram_addr_t r = bus->next_ring; |
182 | f3304eea | Alexander Graf | |
183 | f3304eea | Alexander Graf | bus->next_ring += VIRTIO_RING_LEN; |
184 | f3304eea | Alexander Graf | return r;
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185 | f3304eea | Alexander Graf | } |
186 | f3304eea | Alexander Graf | |
187 | baf0b55a | Alexander Graf | void s390_virtio_device_sync(VirtIOS390Device *dev)
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188 | f3304eea | Alexander Graf | { |
189 | f3304eea | Alexander Graf | VirtIOS390Bus *bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus); |
190 | f3304eea | Alexander Graf | ram_addr_t cur_offs; |
191 | f3304eea | Alexander Graf | uint8_t num_vq; |
192 | f3304eea | Alexander Graf | int i;
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193 | f3304eea | Alexander Graf | |
194 | f3304eea | Alexander Graf | virtio_reset(dev->vdev); |
195 | f3304eea | Alexander Graf | |
196 | f3304eea | Alexander Graf | /* Sync dev space */
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197 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_TYPE, dev->vdev->device_id); |
198 | f3304eea | Alexander Graf | |
199 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, s390_virtio_device_num_vq(dev)); |
200 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_FEATURE_LEN, dev->feat_len); |
201 | f3304eea | Alexander Graf | |
202 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG_LEN, dev->vdev->config_len); |
203 | f3304eea | Alexander Graf | |
204 | f3304eea | Alexander Graf | num_vq = s390_virtio_device_num_vq(dev); |
205 | f3304eea | Alexander Graf | stb_phys(dev->dev_offs + VIRTIO_DEV_OFFS_NUM_VQ, num_vq); |
206 | f3304eea | Alexander Graf | |
207 | f3304eea | Alexander Graf | /* Sync virtqueues */
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208 | f3304eea | Alexander Graf | for (i = 0; i < num_vq; i++) { |
209 | f3304eea | Alexander Graf | ram_addr_t vq = (dev->dev_offs + VIRTIO_DEV_OFFS_CONFIG) + |
210 | f3304eea | Alexander Graf | (i * VIRTIO_VQCONFIG_LEN); |
211 | f3304eea | Alexander Graf | ram_addr_t vring; |
212 | f3304eea | Alexander Graf | |
213 | f3304eea | Alexander Graf | vring = s390_virtio_next_ring(bus); |
214 | f3304eea | Alexander Graf | virtio_queue_set_addr(dev->vdev, i, vring); |
215 | f3304eea | Alexander Graf | virtio_queue_set_vector(dev->vdev, i, i); |
216 | f3304eea | Alexander Graf | stq_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring); |
217 | f3304eea | Alexander Graf | stw_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i)); |
218 | f3304eea | Alexander Graf | } |
219 | f3304eea | Alexander Graf | |
220 | f3304eea | Alexander Graf | cur_offs = dev->dev_offs; |
221 | f3304eea | Alexander Graf | cur_offs += VIRTIO_DEV_OFFS_CONFIG; |
222 | f3304eea | Alexander Graf | cur_offs += num_vq * VIRTIO_VQCONFIG_LEN; |
223 | f3304eea | Alexander Graf | |
224 | f3304eea | Alexander Graf | /* Sync feature bitmap */
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225 | 8172539d | Michael S. Tsirkin | stl_phys(cur_offs, dev->host_features); |
226 | f3304eea | Alexander Graf | |
227 | f3304eea | Alexander Graf | dev->feat_offs = cur_offs + dev->feat_len; |
228 | f3304eea | Alexander Graf | cur_offs += dev->feat_len * 2;
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229 | f3304eea | Alexander Graf | |
230 | f3304eea | Alexander Graf | /* Sync config space */
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231 | f3304eea | Alexander Graf | if (dev->vdev->get_config) {
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232 | f3304eea | Alexander Graf | dev->vdev->get_config(dev->vdev, dev->vdev->config); |
233 | f3304eea | Alexander Graf | } |
234 | f3304eea | Alexander Graf | |
235 | f3304eea | Alexander Graf | cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
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236 | f3304eea | Alexander Graf | cur_offs += dev->vdev->config_len; |
237 | f3304eea | Alexander Graf | } |
238 | f3304eea | Alexander Graf | |
239 | f3304eea | Alexander Graf | void s390_virtio_device_update_status(VirtIOS390Device *dev)
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240 | f3304eea | Alexander Graf | { |
241 | f3304eea | Alexander Graf | VirtIODevice *vdev = dev->vdev; |
242 | f3304eea | Alexander Graf | uint32_t features; |
243 | f3304eea | Alexander Graf | |
244 | 3e607cb5 | Michael S. Tsirkin | virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS)); |
245 | f3304eea | Alexander Graf | |
246 | f3304eea | Alexander Graf | /* Update guest supported feature bitmap */
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247 | f3304eea | Alexander Graf | |
248 | f3304eea | Alexander Graf | features = ldl_phys(dev->feat_offs); |
249 | f3304eea | Alexander Graf | if (vdev->set_features) {
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250 | f3304eea | Alexander Graf | vdev->set_features(vdev, features); |
251 | f3304eea | Alexander Graf | } |
252 | 704a76fc | Michael S. Tsirkin | vdev->guest_features = features; |
253 | f3304eea | Alexander Graf | } |
254 | f3304eea | Alexander Graf | |
255 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_console(VirtIOS390Bus *bus) |
256 | f3304eea | Alexander Graf | { |
257 | f3304eea | Alexander Graf | return bus->console;
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258 | f3304eea | Alexander Graf | } |
259 | f3304eea | Alexander Graf | |
260 | f3304eea | Alexander Graf | /* Find a device by vring address */
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261 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus, |
262 | f3304eea | Alexander Graf | ram_addr_t mem, |
263 | f3304eea | Alexander Graf | int *vq_num)
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264 | f3304eea | Alexander Graf | { |
265 | f3304eea | Alexander Graf | VirtIOS390Device *_dev; |
266 | f3304eea | Alexander Graf | DeviceState *dev; |
267 | f3304eea | Alexander Graf | int i;
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268 | f3304eea | Alexander Graf | |
269 | f3304eea | Alexander Graf | QLIST_FOREACH(dev, &bus->bus.children, sibling) { |
270 | f3304eea | Alexander Graf | _dev = (VirtIOS390Device *)dev; |
271 | f3304eea | Alexander Graf | for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { |
272 | f3304eea | Alexander Graf | if (!virtio_queue_get_addr(_dev->vdev, i))
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273 | f3304eea | Alexander Graf | break;
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274 | f3304eea | Alexander Graf | if (virtio_queue_get_addr(_dev->vdev, i) == mem) {
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275 | f3304eea | Alexander Graf | if (vq_num) {
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276 | f3304eea | Alexander Graf | *vq_num = i; |
277 | f3304eea | Alexander Graf | } |
278 | f3304eea | Alexander Graf | return _dev;
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279 | f3304eea | Alexander Graf | } |
280 | f3304eea | Alexander Graf | } |
281 | f3304eea | Alexander Graf | } |
282 | f3304eea | Alexander Graf | |
283 | f3304eea | Alexander Graf | return NULL; |
284 | f3304eea | Alexander Graf | } |
285 | f3304eea | Alexander Graf | |
286 | f3304eea | Alexander Graf | /* Find a device by device descriptor location */
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287 | f3304eea | Alexander Graf | VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem) |
288 | f3304eea | Alexander Graf | { |
289 | f3304eea | Alexander Graf | VirtIOS390Device *_dev; |
290 | f3304eea | Alexander Graf | DeviceState *dev; |
291 | f3304eea | Alexander Graf | |
292 | f3304eea | Alexander Graf | QLIST_FOREACH(dev, &bus->bus.children, sibling) { |
293 | f3304eea | Alexander Graf | _dev = (VirtIOS390Device *)dev; |
294 | f3304eea | Alexander Graf | if (_dev->dev_offs == mem) {
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295 | f3304eea | Alexander Graf | return _dev;
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296 | f3304eea | Alexander Graf | } |
297 | f3304eea | Alexander Graf | } |
298 | f3304eea | Alexander Graf | |
299 | f3304eea | Alexander Graf | return NULL; |
300 | f3304eea | Alexander Graf | } |
301 | f3304eea | Alexander Graf | |
302 | f3304eea | Alexander Graf | static void virtio_s390_notify(void *opaque, uint16_t vector) |
303 | f3304eea | Alexander Graf | { |
304 | f3304eea | Alexander Graf | VirtIOS390Device *dev = (VirtIOS390Device*)opaque; |
305 | f3304eea | Alexander Graf | uint64_t token = s390_virtio_device_vq_token(dev, vector); |
306 | f3304eea | Alexander Graf | |
307 | f3304eea | Alexander Graf | /* XXX kvm dependency! */
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308 | 86f3dba6 | Alexander Graf | kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token); |
309 | f3304eea | Alexander Graf | } |
310 | f3304eea | Alexander Graf | |
311 | 8172539d | Michael S. Tsirkin | static unsigned virtio_s390_get_features(void *opaque) |
312 | 8172539d | Michael S. Tsirkin | { |
313 | 8172539d | Michael S. Tsirkin | VirtIOS390Device *dev = (VirtIOS390Device*)opaque; |
314 | 8172539d | Michael S. Tsirkin | return dev->host_features;
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315 | 8172539d | Michael S. Tsirkin | } |
316 | 8172539d | Michael S. Tsirkin | |
317 | f3304eea | Alexander Graf | /**************** S390 Virtio Bus Device Descriptions *******************/
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318 | f3304eea | Alexander Graf | |
319 | f3304eea | Alexander Graf | static const VirtIOBindings virtio_s390_bindings = { |
320 | f3304eea | Alexander Graf | .notify = virtio_s390_notify, |
321 | 8172539d | Michael S. Tsirkin | .get_features = virtio_s390_get_features, |
322 | f3304eea | Alexander Graf | }; |
323 | f3304eea | Alexander Graf | |
324 | f3304eea | Alexander Graf | static VirtIOS390DeviceInfo s390_virtio_net = {
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325 | f3304eea | Alexander Graf | .init = s390_virtio_net_init, |
326 | f3304eea | Alexander Graf | .qdev.name = "virtio-net-s390",
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327 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
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328 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
329 | f3304eea | Alexander Graf | DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic), |
330 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
331 | f3304eea | Alexander Graf | }, |
332 | f3304eea | Alexander Graf | }; |
333 | f3304eea | Alexander Graf | |
334 | f3304eea | Alexander Graf | static VirtIOS390DeviceInfo s390_virtio_blk = {
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335 | f3304eea | Alexander Graf | .init = s390_virtio_blk_init, |
336 | f3304eea | Alexander Graf | .qdev.name = "virtio-blk-s390",
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337 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
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338 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
339 | 428c149b | Christoph Hellwig | DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, block), |
340 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
341 | f3304eea | Alexander Graf | }, |
342 | f3304eea | Alexander Graf | }; |
343 | f3304eea | Alexander Graf | |
344 | 98b19252 | Amit Shah | static VirtIOS390DeviceInfo s390_virtio_serial = {
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345 | 98b19252 | Amit Shah | .init = s390_virtio_serial_init, |
346 | 98b19252 | Amit Shah | .qdev.name = "virtio-serial-s390",
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347 | 98b19252 | Amit Shah | .qdev.alias = "virtio-serial",
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348 | f3304eea | Alexander Graf | .qdev.size = sizeof(VirtIOS390Device),
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349 | f3304eea | Alexander Graf | .qdev.props = (Property[]) { |
350 | 98b19252 | Amit Shah | DEFINE_PROP_UINT32("max_ports", VirtIOS390Device, max_virtserial_ports,
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351 | 98b19252 | Amit Shah | 31),
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352 | f3304eea | Alexander Graf | DEFINE_PROP_END_OF_LIST(), |
353 | f3304eea | Alexander Graf | }, |
354 | f3304eea | Alexander Graf | }; |
355 | f3304eea | Alexander Graf | |
356 | f3304eea | Alexander Graf | static int s390_virtio_busdev_init(DeviceState *dev, DeviceInfo *info) |
357 | f3304eea | Alexander Graf | { |
358 | f3304eea | Alexander Graf | VirtIOS390DeviceInfo *_info = (VirtIOS390DeviceInfo *)info; |
359 | f3304eea | Alexander Graf | VirtIOS390Device *_dev = (VirtIOS390Device *)dev; |
360 | f3304eea | Alexander Graf | |
361 | f3304eea | Alexander Graf | return _info->init(_dev);
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362 | f3304eea | Alexander Graf | } |
363 | f3304eea | Alexander Graf | |
364 | f3304eea | Alexander Graf | static void s390_virtio_bus_register_withprop(VirtIOS390DeviceInfo *info) |
365 | f3304eea | Alexander Graf | { |
366 | f3304eea | Alexander Graf | info->qdev.init = s390_virtio_busdev_init; |
367 | f3304eea | Alexander Graf | info->qdev.bus_info = &s390_virtio_bus_info; |
368 | f3304eea | Alexander Graf | |
369 | f3304eea | Alexander Graf | assert(info->qdev.size >= sizeof(VirtIOS390Device));
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370 | f3304eea | Alexander Graf | qdev_register(&info->qdev); |
371 | f3304eea | Alexander Graf | } |
372 | f3304eea | Alexander Graf | |
373 | f3304eea | Alexander Graf | static void s390_virtio_register(void) |
374 | f3304eea | Alexander Graf | { |
375 | 98b19252 | Amit Shah | s390_virtio_bus_register_withprop(&s390_virtio_serial); |
376 | f3304eea | Alexander Graf | s390_virtio_bus_register_withprop(&s390_virtio_blk); |
377 | f3304eea | Alexander Graf | s390_virtio_bus_register_withprop(&s390_virtio_net); |
378 | f3304eea | Alexander Graf | } |
379 | f3304eea | Alexander Graf | device_init(s390_virtio_register); |
380 | f3304eea | Alexander Graf | |
381 | f3304eea | Alexander Graf | |
382 | f3304eea | Alexander Graf | /***************** S390 Virtio Bus Bridge Device *******************/
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383 | f3304eea | Alexander Graf | /* Only required to have the virtio bus as child in the system bus */
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384 | f3304eea | Alexander Graf | |
385 | f3304eea | Alexander Graf | static int s390_virtio_bridge_init(SysBusDevice *dev) |
386 | f3304eea | Alexander Graf | { |
387 | f3304eea | Alexander Graf | /* nothing */
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388 | f3304eea | Alexander Graf | return 0; |
389 | f3304eea | Alexander Graf | } |
390 | f3304eea | Alexander Graf | |
391 | f3304eea | Alexander Graf | static SysBusDeviceInfo s390_virtio_bridge_info = {
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392 | f3304eea | Alexander Graf | .init = s390_virtio_bridge_init, |
393 | f3304eea | Alexander Graf | .qdev.name = "s390-virtio-bridge",
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394 | f3304eea | Alexander Graf | .qdev.size = sizeof(SysBusDevice),
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395 | f3304eea | Alexander Graf | .qdev.no_user = 1,
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396 | f3304eea | Alexander Graf | }; |
397 | f3304eea | Alexander Graf | |
398 | f3304eea | Alexander Graf | static void s390_virtio_register_devices(void) |
399 | f3304eea | Alexander Graf | { |
400 | f3304eea | Alexander Graf | sysbus_register_withprop(&s390_virtio_bridge_info); |
401 | f3304eea | Alexander Graf | } |
402 | f3304eea | Alexander Graf | |
403 | f3304eea | Alexander Graf | device_init(s390_virtio_register_devices) |