| 1 | /* |
| 2 | * HMP commands related to virtio |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPL, version 2 or |
| 5 | * (at your option) any later version. |
| 6 | */ |
| 7 | |
| 8 | #include "qemu/osdep.h" |
| 9 | #include "monitor/hmp.h" |
| 10 | #include "monitor/monitor.h" |
| 11 | #include "qapi/qapi-commands-virtio.h" |
| 12 | #include "qobject/qdict.h" |
| 13 | |
| 14 | |
| 15 | static void hmp_virtio_dump_protocols(MonitorHMP *hmp, |
| 16 | VhostDeviceProtocols *pcol) |
| 17 | { |
| 18 | strList *pcol_list = pcol->protocols; |
| 19 | while (pcol_list) { |
| 20 | monitor_hmp_printf(hmp, "\t%s", pcol_list->value); |
| 21 | pcol_list = pcol_list->next; |
| 22 | if (pcol_list != NULL) { |
| 23 | monitor_hmp_printf(hmp, ",\n"); |
| 24 | } |
| 25 | } |
| 26 | monitor_hmp_printf(hmp, "\n"); |
| 27 | if (pcol->has_unknown_protocols) { |
| 28 | monitor_hmp_printf(hmp, " unknown-protocols(0x%016"PRIx64")\n", |
| 29 | pcol->unknown_protocols); |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | static void hmp_virtio_dump_status(MonitorHMP *hmp, |
| 34 | VirtioDeviceStatus *status) |
| 35 | { |
| 36 | strList *status_list = status->statuses; |
| 37 | while (status_list) { |
| 38 | monitor_hmp_printf(hmp, "\t%s", status_list->value); |
| 39 | status_list = status_list->next; |
| 40 | if (status_list != NULL) { |
| 41 | monitor_hmp_printf(hmp, ",\n"); |
| 42 | } |
| 43 | } |
| 44 | monitor_hmp_printf(hmp, "\n"); |
| 45 | if (status->has_unknown_statuses) { |
| 46 | monitor_hmp_printf(hmp, " unknown-statuses(0x%016"PRIx32")\n", |
| 47 | status->unknown_statuses); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | static void hmp_virtio_dump_features(MonitorHMP *hmp, |
| 52 | VirtioDeviceFeatures *features) |
| 53 | { |
| 54 | strList *transport_list = features->transports; |
| 55 | while (transport_list) { |
| 56 | monitor_hmp_printf(hmp, "\t%s", transport_list->value); |
| 57 | transport_list = transport_list->next; |
| 58 | if (transport_list != NULL) { |
| 59 | monitor_hmp_printf(hmp, ",\n"); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | monitor_hmp_printf(hmp, "\n"); |
| 64 | strList *list = features->dev_features; |
| 65 | if (list) { |
| 66 | while (list) { |
| 67 | monitor_hmp_printf(hmp, "\t%s", list->value); |
| 68 | list = list->next; |
| 69 | if (list != NULL) { |
| 70 | monitor_hmp_printf(hmp, ",\n"); |
| 71 | } |
| 72 | } |
| 73 | monitor_hmp_printf(hmp, "\n"); |
| 74 | } |
| 75 | |
| 76 | if (features->has_unknown_dev_features) { |
| 77 | monitor_hmp_printf(hmp, " unknown-features(0x%016"PRIx64"%016"PRIx64")\n", |
| 78 | features->unknown_dev_features2, |
| 79 | features->unknown_dev_features); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | void hmp_virtio_query(MonitorHMP *hmp, const QDict *qdict) |
| 84 | { |
| 85 | Error *err = NULL; |
| 86 | VirtioInfoList *list = qmp_x_query_virtio(&err); |
| 87 | VirtioInfoList *node; |
| 88 | |
| 89 | if (err != NULL) { |
| 90 | hmp_handle_error(hmp, err); |
| 91 | return; |
| 92 | } |
| 93 | |
| 94 | if (list == NULL) { |
| 95 | monitor_hmp_printf(hmp, "No VirtIO devices\n"); |
| 96 | return; |
| 97 | } |
| 98 | |
| 99 | node = list; |
| 100 | while (node) { |
| 101 | monitor_hmp_printf(hmp, "%s [%s]\n", node->value->path, |
| 102 | node->value->name); |
| 103 | node = node->next; |
| 104 | } |
| 105 | qapi_free_VirtioInfoList(list); |
| 106 | } |
| 107 | |
| 108 | void hmp_virtio_status(MonitorHMP *hmp, const QDict *qdict) |
| 109 | { |
| 110 | Error *err = NULL; |
| 111 | const char *path = qdict_get_try_str(qdict, "path"); |
| 112 | VirtioStatus *s = qmp_x_query_virtio_status(path, &err); |
| 113 | |
| 114 | if (err != NULL) { |
| 115 | hmp_handle_error(hmp, err); |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | monitor_hmp_printf(hmp, "%s:\n", path); |
| 120 | monitor_hmp_printf(hmp, " device_name: %s %s\n", |
| 121 | s->name, s->vhost_dev ? "(vhost)" : ""); |
| 122 | monitor_hmp_printf(hmp, " device_id: %d\n", s->device_id); |
| 123 | monitor_hmp_printf(hmp, " vhost_started: %s\n", |
| 124 | s->vhost_started ? "true" : "false"); |
| 125 | monitor_hmp_printf(hmp, " bus_name: %s\n", s->bus_name); |
| 126 | monitor_hmp_printf(hmp, " broken: %s\n", |
| 127 | s->broken ? "true" : "false"); |
| 128 | monitor_hmp_printf(hmp, " disabled: %s\n", |
| 129 | s->disabled ? "true" : "false"); |
| 130 | monitor_hmp_printf(hmp, " disable_legacy_check: %s\n", |
| 131 | s->disable_legacy_check ? "true" : "false"); |
| 132 | monitor_hmp_printf(hmp, " started: %s\n", |
| 133 | s->started ? "true" : "false"); |
| 134 | monitor_hmp_printf(hmp, " use_started: %s\n", |
| 135 | s->use_started ? "true" : "false"); |
| 136 | monitor_hmp_printf(hmp, " start_on_kick: %s\n", |
| 137 | s->start_on_kick ? "true" : "false"); |
| 138 | monitor_hmp_printf(hmp, " use_guest_notifier_mask: %s\n", |
| 139 | s->use_guest_notifier_mask ? "true" : "false"); |
| 140 | monitor_hmp_printf(hmp, " vm_running: %s\n", |
| 141 | s->vm_running ? "true" : "false"); |
| 142 | monitor_hmp_printf(hmp, " num_vqs: %"PRId64"\n", s->num_vqs); |
| 143 | monitor_hmp_printf(hmp, " queue_sel: %d\n", |
| 144 | s->queue_sel); |
| 145 | monitor_hmp_printf(hmp, " isr: %d\n", s->isr); |
| 146 | monitor_hmp_printf(hmp, " endianness: %s\n", |
| 147 | s->device_endian); |
| 148 | monitor_hmp_printf(hmp, " status:\n"); |
| 149 | hmp_virtio_dump_status(hmp, s->status); |
| 150 | monitor_hmp_printf(hmp, " Guest features:\n"); |
| 151 | hmp_virtio_dump_features(hmp, s->guest_features); |
| 152 | monitor_hmp_printf(hmp, " Host features:\n"); |
| 153 | hmp_virtio_dump_features(hmp, s->host_features); |
| 154 | monitor_hmp_printf(hmp, " Backend features:\n"); |
| 155 | hmp_virtio_dump_features(hmp, s->backend_features); |
| 156 | |
| 157 | if (s->vhost_dev) { |
| 158 | monitor_hmp_printf(hmp, " VHost:\n"); |
| 159 | monitor_hmp_printf(hmp, " nvqs: %d\n", |
| 160 | s->vhost_dev->nvqs); |
| 161 | monitor_hmp_printf(hmp, " vq_index: %"PRId64"\n", |
| 162 | s->vhost_dev->vq_index); |
| 163 | monitor_hmp_printf(hmp, " max_queues: %"PRId64"\n", |
| 164 | s->vhost_dev->max_queues); |
| 165 | monitor_hmp_printf(hmp, " n_mem_sections: %"PRId64"\n", |
| 166 | s->vhost_dev->n_mem_sections); |
| 167 | monitor_hmp_printf(hmp, " n_tmp_sections: %"PRId64"\n", |
| 168 | s->vhost_dev->n_tmp_sections); |
| 169 | monitor_hmp_printf(hmp, " backend_cap: %"PRId64"\n", |
| 170 | s->vhost_dev->backend_cap); |
| 171 | monitor_hmp_printf(hmp, " log_enabled: %s\n", |
| 172 | s->vhost_dev->log_enabled ? "true" : "false"); |
| 173 | monitor_hmp_printf(hmp, " log_size: %"PRId64"\n", |
| 174 | s->vhost_dev->log_size); |
| 175 | monitor_hmp_printf(hmp, " Features:\n"); |
| 176 | hmp_virtio_dump_features(hmp, s->vhost_dev->features); |
| 177 | monitor_hmp_printf(hmp, " Acked features:\n"); |
| 178 | hmp_virtio_dump_features(hmp, s->vhost_dev->acked_features); |
| 179 | monitor_hmp_printf(hmp, " Protocol features:\n"); |
| 180 | hmp_virtio_dump_protocols(hmp, s->vhost_dev->protocol_features); |
| 181 | } |
| 182 | |
| 183 | qapi_free_VirtioStatus(s); |
| 184 | } |
| 185 | |
| 186 | void hmp_vhost_queue_status(MonitorHMP *hmp, const QDict *qdict) |
| 187 | { |
| 188 | Error *err = NULL; |
| 189 | const char *path = qdict_get_try_str(qdict, "path"); |
| 190 | int queue = qdict_get_int(qdict, "queue"); |
| 191 | VirtVhostQueueStatus *s = |
| 192 | qmp_x_query_virtio_vhost_queue_status(path, queue, &err); |
| 193 | |
| 194 | if (err != NULL) { |
| 195 | hmp_handle_error(hmp, err); |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | monitor_hmp_printf(hmp, "%s:\n", path); |
| 200 | monitor_hmp_printf(hmp, " device_name: %s (vhost)\n", |
| 201 | s->name); |
| 202 | monitor_hmp_printf(hmp, " kick: %"PRId64"\n", s->kick); |
| 203 | monitor_hmp_printf(hmp, " call: %"PRId64"\n", s->call); |
| 204 | monitor_hmp_printf(hmp, " VRing:\n"); |
| 205 | monitor_hmp_printf(hmp, " num: %"PRId64"\n", s->num); |
| 206 | monitor_hmp_printf(hmp, " desc_phys: 0x%016"PRIx64"\n", |
| 207 | s->desc_phys); |
| 208 | monitor_hmp_printf(hmp, " desc_size: %"PRId32"\n", s->desc_size); |
| 209 | monitor_hmp_printf(hmp, " avail_phys: 0x%016"PRIx64"\n", |
| 210 | s->avail_phys); |
| 211 | monitor_hmp_printf(hmp, " avail_size: %"PRId32"\n", s->avail_size); |
| 212 | monitor_hmp_printf(hmp, " used_phys: 0x%016"PRIx64"\n", |
| 213 | s->used_phys); |
| 214 | monitor_hmp_printf(hmp, " used_size: %"PRId32"\n", s->used_size); |
| 215 | |
| 216 | qapi_free_VirtVhostQueueStatus(s); |
| 217 | } |
| 218 | |
| 219 | void hmp_virtio_queue_status(MonitorHMP *hmp, const QDict *qdict) |
| 220 | { |
| 221 | Error *err = NULL; |
| 222 | const char *path = qdict_get_try_str(qdict, "path"); |
| 223 | int queue = qdict_get_int(qdict, "queue"); |
| 224 | VirtQueueStatus *s = qmp_x_query_virtio_queue_status(path, queue, &err); |
| 225 | |
| 226 | if (err != NULL) { |
| 227 | hmp_handle_error(hmp, err); |
| 228 | return; |
| 229 | } |
| 230 | |
| 231 | monitor_hmp_printf(hmp, "%s:\n", path); |
| 232 | monitor_hmp_printf(hmp, " device_name: %s\n", s->name); |
| 233 | monitor_hmp_printf(hmp, " queue_index: %d\n", s->queue_index); |
| 234 | monitor_hmp_printf(hmp, " inuse: %d\n", s->inuse); |
| 235 | monitor_hmp_printf(hmp, " used_idx: %d\n", s->used_idx); |
| 236 | monitor_hmp_printf(hmp, " signalled_used: %d\n", |
| 237 | s->signalled_used); |
| 238 | monitor_hmp_printf(hmp, " signalled_used_valid: %s\n", |
| 239 | s->signalled_used_valid ? "true" : "false"); |
| 240 | if (s->has_last_avail_idx) { |
| 241 | monitor_hmp_printf(hmp, " last_avail_idx: %d\n", |
| 242 | s->last_avail_idx); |
| 243 | } |
| 244 | if (s->has_shadow_avail_idx) { |
| 245 | monitor_hmp_printf(hmp, " shadow_avail_idx: %d\n", |
| 246 | s->shadow_avail_idx); |
| 247 | } |
| 248 | monitor_hmp_printf(hmp, " VRing:\n"); |
| 249 | monitor_hmp_printf(hmp, " num: %"PRId32"\n", s->vring_num); |
| 250 | monitor_hmp_printf(hmp, " num_default: %"PRId32"\n", |
| 251 | s->vring_num_default); |
| 252 | monitor_hmp_printf(hmp, " align: %"PRId32"\n", |
| 253 | s->vring_align); |
| 254 | monitor_hmp_printf(hmp, " desc: 0x%016"PRIx64"\n", |
| 255 | s->vring_desc); |
| 256 | monitor_hmp_printf(hmp, " avail: 0x%016"PRIx64"\n", |
| 257 | s->vring_avail); |
| 258 | monitor_hmp_printf(hmp, " used: 0x%016"PRIx64"\n", |
| 259 | s->vring_used); |
| 260 | |
| 261 | qapi_free_VirtQueueStatus(s); |
| 262 | } |
| 263 | |
| 264 | void hmp_virtio_queue_element(MonitorHMP *hmp, const QDict *qdict) |
| 265 | { |
| 266 | Error *err = NULL; |
| 267 | const char *path = qdict_get_try_str(qdict, "path"); |
| 268 | int queue = qdict_get_int(qdict, "queue"); |
| 269 | int index = qdict_get_try_int(qdict, "index", -1); |
| 270 | VirtioQueueElement *e; |
| 271 | VirtioRingDescList *list; |
| 272 | |
| 273 | e = qmp_x_query_virtio_queue_element(path, queue, index != -1, |
| 274 | index, &err); |
| 275 | if (err != NULL) { |
| 276 | hmp_handle_error(hmp, err); |
| 277 | return; |
| 278 | } |
| 279 | |
| 280 | monitor_hmp_printf(hmp, "%s:\n", path); |
| 281 | monitor_hmp_printf(hmp, " device_name: %s\n", e->name); |
| 282 | monitor_hmp_printf(hmp, " index: %d\n", e->index); |
| 283 | monitor_hmp_printf(hmp, " desc:\n"); |
| 284 | monitor_hmp_printf(hmp, " descs:\n"); |
| 285 | |
| 286 | list = e->descs; |
| 287 | while (list) { |
| 288 | monitor_hmp_printf(hmp, " addr 0x%"PRIx64" len %d", |
| 289 | list->value->addr, list->value->len); |
| 290 | if (list->value->flags) { |
| 291 | strList *flag = list->value->flags; |
| 292 | monitor_hmp_printf(hmp, " ("); |
| 293 | while (flag) { |
| 294 | monitor_hmp_printf(hmp, "%s", flag->value); |
| 295 | flag = flag->next; |
| 296 | if (flag) { |
| 297 | monitor_hmp_printf(hmp, ", "); |
| 298 | } |
| 299 | } |
| 300 | monitor_hmp_printf(hmp, ")"); |
| 301 | } |
| 302 | list = list->next; |
| 303 | if (list) { |
| 304 | monitor_hmp_printf(hmp, ",\n"); |
| 305 | } |
| 306 | } |
| 307 | monitor_hmp_printf(hmp, "\n"); |
| 308 | monitor_hmp_printf(hmp, " avail:\n"); |
| 309 | monitor_hmp_printf(hmp, " flags: %d\n", e->avail->flags); |
| 310 | monitor_hmp_printf(hmp, " idx: %d\n", e->avail->idx); |
| 311 | monitor_hmp_printf(hmp, " ring: %d\n", e->avail->ring); |
| 312 | monitor_hmp_printf(hmp, " used:\n"); |
| 313 | monitor_hmp_printf(hmp, " flags: %d\n", e->used->flags); |
| 314 | monitor_hmp_printf(hmp, " idx: %d\n", e->used->idx); |
| 315 | |
| 316 | qapi_free_VirtioQueueElement(e); |
| 317 | } |