1a5cf2bb4SCornelia Huck /* 2a5cf2bb4SCornelia Huck * virtio ccw target implementation 3a5cf2bb4SCornelia Huck * 47e749462SCornelia Huck * Copyright 2012,2014 IBM Corp. 5a5cf2bb4SCornelia Huck * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 6a5cf2bb4SCornelia Huck * 7a5cf2bb4SCornelia Huck * This work is licensed under the terms of the GNU GPL, version 2 or (at 8a5cf2bb4SCornelia Huck * your option) any later version. See the COPYING file in the top-level 9a5cf2bb4SCornelia Huck * directory. 10a5cf2bb4SCornelia Huck */ 11a5cf2bb4SCornelia Huck 12a5cf2bb4SCornelia Huck #include "hw/hw.h" 134be74634SMarkus Armbruster #include "sysemu/block-backend.h" 14a5cf2bb4SCornelia Huck #include "sysemu/blockdev.h" 15a5cf2bb4SCornelia Huck #include "sysemu/sysemu.h" 16a5cf2bb4SCornelia Huck #include "net/net.h" 17a5cf2bb4SCornelia Huck #include "monitor/monitor.h" 180d09e41aSPaolo Bonzini #include "hw/virtio/virtio.h" 190d09e41aSPaolo Bonzini #include "hw/virtio/virtio-serial.h" 200d09e41aSPaolo Bonzini #include "hw/virtio/virtio-net.h" 21a5cf2bb4SCornelia Huck #include "hw/sysbus.h" 22a5cf2bb4SCornelia Huck #include "qemu/bitops.h" 230d09e41aSPaolo Bonzini #include "hw/virtio/virtio-bus.h" 24d426d9fbSCornelia Huck #include "hw/s390x/adapter.h" 25d426d9fbSCornelia Huck #include "hw/s390x/s390_flic.h" 26a5cf2bb4SCornelia Huck 27a5cf2bb4SCornelia Huck #include "ioinst.h" 28a5cf2bb4SCornelia Huck #include "css.h" 29a5cf2bb4SCornelia Huck #include "virtio-ccw.h" 30a5cf2bb4SCornelia Huck #include "trace.h" 31a5cf2bb4SCornelia Huck 327bca3892SCornelia Huck static QTAILQ_HEAD(, IndAddr) indicator_addresses = 337bca3892SCornelia Huck QTAILQ_HEAD_INITIALIZER(indicator_addresses); 347bca3892SCornelia Huck 357bca3892SCornelia Huck static IndAddr *get_indicator(hwaddr ind_addr, int len) 367bca3892SCornelia Huck { 377bca3892SCornelia Huck IndAddr *indicator; 387bca3892SCornelia Huck 397bca3892SCornelia Huck QTAILQ_FOREACH(indicator, &indicator_addresses, sibling) { 407bca3892SCornelia Huck if (indicator->addr == ind_addr) { 417bca3892SCornelia Huck indicator->refcnt++; 427bca3892SCornelia Huck return indicator; 437bca3892SCornelia Huck } 447bca3892SCornelia Huck } 457bca3892SCornelia Huck indicator = g_new0(IndAddr, 1); 467bca3892SCornelia Huck indicator->addr = ind_addr; 477bca3892SCornelia Huck indicator->len = len; 487bca3892SCornelia Huck indicator->refcnt = 1; 497bca3892SCornelia Huck QTAILQ_INSERT_TAIL(&indicator_addresses, indicator, sibling); 507bca3892SCornelia Huck return indicator; 517bca3892SCornelia Huck } 527bca3892SCornelia Huck 53d426d9fbSCornelia Huck static int s390_io_adapter_map(AdapterInfo *adapter, uint64_t map_addr, 54d426d9fbSCornelia Huck bool do_map) 55d426d9fbSCornelia Huck { 56d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 57d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 58d426d9fbSCornelia Huck 59d426d9fbSCornelia Huck return fsc->io_adapter_map(fs, adapter->adapter_id, map_addr, do_map); 60d426d9fbSCornelia Huck } 61d426d9fbSCornelia Huck 62d426d9fbSCornelia Huck static void release_indicator(AdapterInfo *adapter, IndAddr *indicator) 637bca3892SCornelia Huck { 647bca3892SCornelia Huck assert(indicator->refcnt > 0); 657bca3892SCornelia Huck indicator->refcnt--; 667bca3892SCornelia Huck if (indicator->refcnt > 0) { 677bca3892SCornelia Huck return; 687bca3892SCornelia Huck } 697bca3892SCornelia Huck QTAILQ_REMOVE(&indicator_addresses, indicator, sibling); 70d426d9fbSCornelia Huck if (indicator->map) { 71d426d9fbSCornelia Huck s390_io_adapter_map(adapter, indicator->map, false); 72d426d9fbSCornelia Huck } 737bca3892SCornelia Huck g_free(indicator); 747bca3892SCornelia Huck } 757bca3892SCornelia Huck 76d426d9fbSCornelia Huck static int map_indicator(AdapterInfo *adapter, IndAddr *indicator) 77d426d9fbSCornelia Huck { 78d426d9fbSCornelia Huck int ret; 79d426d9fbSCornelia Huck 80d426d9fbSCornelia Huck if (indicator->map) { 81d426d9fbSCornelia Huck return 0; /* already mapped is not an error */ 82d426d9fbSCornelia Huck } 83d426d9fbSCornelia Huck indicator->map = indicator->addr; 84d426d9fbSCornelia Huck ret = s390_io_adapter_map(adapter, indicator->map, true); 85d426d9fbSCornelia Huck if ((ret != 0) && (ret != -ENOSYS)) { 86d426d9fbSCornelia Huck goto out_err; 87d426d9fbSCornelia Huck } 88d426d9fbSCornelia Huck return 0; 89d426d9fbSCornelia Huck 90d426d9fbSCornelia Huck out_err: 91d426d9fbSCornelia Huck indicator->map = 0; 92d426d9fbSCornelia Huck return ret; 93d426d9fbSCornelia Huck } 94d426d9fbSCornelia Huck 951bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 961bf4d7aaSAndreas Färber VirtioCcwDevice *dev); 97d51fcfacSKONRAD Frederic 98dcc20931SPaolo Bonzini static void virtual_css_bus_reset(BusState *qbus) 99a5cf2bb4SCornelia Huck { 100a5cf2bb4SCornelia Huck /* This should actually be modelled via the generic css */ 101a5cf2bb4SCornelia Huck css_reset(); 102a5cf2bb4SCornelia Huck } 103a5cf2bb4SCornelia Huck 104a5cf2bb4SCornelia Huck 105a5cf2bb4SCornelia Huck static void virtual_css_bus_class_init(ObjectClass *klass, void *data) 106a5cf2bb4SCornelia Huck { 107a5cf2bb4SCornelia Huck BusClass *k = BUS_CLASS(klass); 108a5cf2bb4SCornelia Huck 109a5cf2bb4SCornelia Huck k->reset = virtual_css_bus_reset; 110a5cf2bb4SCornelia Huck } 111a5cf2bb4SCornelia Huck 112a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bus_info = { 113a5cf2bb4SCornelia Huck .name = TYPE_VIRTUAL_CSS_BUS, 114a5cf2bb4SCornelia Huck .parent = TYPE_BUS, 115a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtualCssBus), 116a5cf2bb4SCornelia Huck .class_init = virtual_css_bus_class_init, 117a5cf2bb4SCornelia Huck }; 118a5cf2bb4SCornelia Huck 119a5cf2bb4SCornelia Huck VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) 120a5cf2bb4SCornelia Huck { 121a5cf2bb4SCornelia Huck VirtIODevice *vdev = NULL; 122f24a6840SPaolo Bonzini VirtioCcwDevice *dev = sch->driver_data; 123a5cf2bb4SCornelia Huck 124f24a6840SPaolo Bonzini if (dev) { 125f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 126a5cf2bb4SCornelia Huck } 127a5cf2bb4SCornelia Huck return vdev; 128a5cf2bb4SCornelia Huck } 129a5cf2bb4SCornelia Huck 130b4436a0bSCornelia Huck static int virtio_ccw_set_guest2host_notifier(VirtioCcwDevice *dev, int n, 131b4436a0bSCornelia Huck bool assign, bool set_handler) 132b4436a0bSCornelia Huck { 133f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 134f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 135b4436a0bSCornelia Huck EventNotifier *notifier = virtio_queue_get_host_notifier(vq); 136b4436a0bSCornelia Huck int r = 0; 137b4436a0bSCornelia Huck SubchDev *sch = dev->sch; 138b4436a0bSCornelia Huck uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; 139b4436a0bSCornelia Huck 140b4436a0bSCornelia Huck if (assign) { 141b4436a0bSCornelia Huck r = event_notifier_init(notifier, 1); 142b4436a0bSCornelia Huck if (r < 0) { 143b4436a0bSCornelia Huck error_report("%s: unable to init event notifier: %d", __func__, r); 144b4436a0bSCornelia Huck return r; 145b4436a0bSCornelia Huck } 146b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler); 147cc3ac9c4SCornelia Huck r = s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 148b4436a0bSCornelia Huck if (r < 0) { 149b4436a0bSCornelia Huck error_report("%s: unable to assign ioeventfd: %d", __func__, r); 150b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, false, false); 151b4436a0bSCornelia Huck event_notifier_cleanup(notifier); 152b4436a0bSCornelia Huck return r; 153b4436a0bSCornelia Huck } 154b4436a0bSCornelia Huck } else { 155b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, false, false); 156cc3ac9c4SCornelia Huck s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 157b4436a0bSCornelia Huck event_notifier_cleanup(notifier); 158b4436a0bSCornelia Huck } 159b4436a0bSCornelia Huck return r; 160b4436a0bSCornelia Huck } 161b4436a0bSCornelia Huck 162b4436a0bSCornelia Huck static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) 163b4436a0bSCornelia Huck { 164f24a6840SPaolo Bonzini VirtIODevice *vdev; 165b4436a0bSCornelia Huck int n, r; 166b4436a0bSCornelia Huck 167b4436a0bSCornelia Huck if (!(dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) || 168320ce850SCornelia Huck dev->ioeventfd_disabled || 169b4436a0bSCornelia Huck dev->ioeventfd_started) { 170b4436a0bSCornelia Huck return; 171b4436a0bSCornelia Huck } 172f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 173b4436a0bSCornelia Huck for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) { 174f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 175b4436a0bSCornelia Huck continue; 176b4436a0bSCornelia Huck } 177b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, true, true); 178b4436a0bSCornelia Huck if (r < 0) { 179b4436a0bSCornelia Huck goto assign_error; 180b4436a0bSCornelia Huck } 181b4436a0bSCornelia Huck } 182b4436a0bSCornelia Huck dev->ioeventfd_started = true; 183b4436a0bSCornelia Huck return; 184b4436a0bSCornelia Huck 185b4436a0bSCornelia Huck assign_error: 186b4436a0bSCornelia Huck while (--n >= 0) { 187f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 188b4436a0bSCornelia Huck continue; 189b4436a0bSCornelia Huck } 190b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, false, false); 191b4436a0bSCornelia Huck assert(r >= 0); 192b4436a0bSCornelia Huck } 193b4436a0bSCornelia Huck dev->ioeventfd_started = false; 194b4436a0bSCornelia Huck /* Disable ioeventfd for this device. */ 195b4436a0bSCornelia Huck dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 196b4436a0bSCornelia Huck error_report("%s: failed. Fallback to userspace (slower).", __func__); 197b4436a0bSCornelia Huck } 198b4436a0bSCornelia Huck 199b4436a0bSCornelia Huck static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) 200b4436a0bSCornelia Huck { 201f24a6840SPaolo Bonzini VirtIODevice *vdev; 202b4436a0bSCornelia Huck int n, r; 203b4436a0bSCornelia Huck 204b4436a0bSCornelia Huck if (!dev->ioeventfd_started) { 205b4436a0bSCornelia Huck return; 206b4436a0bSCornelia Huck } 207f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 208b4436a0bSCornelia Huck for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) { 209f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 210b4436a0bSCornelia Huck continue; 211b4436a0bSCornelia Huck } 212b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, false, false); 213b4436a0bSCornelia Huck assert(r >= 0); 214b4436a0bSCornelia Huck } 215b4436a0bSCornelia Huck dev->ioeventfd_started = false; 216b4436a0bSCornelia Huck } 217b4436a0bSCornelia Huck 218a5cf2bb4SCornelia Huck VirtualCssBus *virtual_css_bus_init(void) 219a5cf2bb4SCornelia Huck { 220a5cf2bb4SCornelia Huck VirtualCssBus *cbus; 221a5cf2bb4SCornelia Huck BusState *bus; 222a5cf2bb4SCornelia Huck DeviceState *dev; 223a5cf2bb4SCornelia Huck 224a5cf2bb4SCornelia Huck /* Create bridge device */ 225a5cf2bb4SCornelia Huck dev = qdev_create(NULL, "virtual-css-bridge"); 226a5cf2bb4SCornelia Huck qdev_init_nofail(dev); 227a5cf2bb4SCornelia Huck 228a5cf2bb4SCornelia Huck /* Create bus on bridge device */ 229a5cf2bb4SCornelia Huck bus = qbus_create(TYPE_VIRTUAL_CSS_BUS, dev, "virtual-css"); 230a5cf2bb4SCornelia Huck cbus = VIRTUAL_CSS_BUS(bus); 231a5cf2bb4SCornelia Huck 232a5cf2bb4SCornelia Huck /* Enable hotplugging */ 233277bc95eSIgor Mammedov qbus_set_hotplug_handler(bus, dev, &error_abort); 234a5cf2bb4SCornelia Huck 235a5cf2bb4SCornelia Huck return cbus; 236a5cf2bb4SCornelia Huck } 237a5cf2bb4SCornelia Huck 238a5cf2bb4SCornelia Huck /* Communication blocks used by several channel commands. */ 239a5cf2bb4SCornelia Huck typedef struct VqInfoBlock { 240a5cf2bb4SCornelia Huck uint64_t queue; 241a5cf2bb4SCornelia Huck uint32_t align; 242a5cf2bb4SCornelia Huck uint16_t index; 243a5cf2bb4SCornelia Huck uint16_t num; 244a5cf2bb4SCornelia Huck } QEMU_PACKED VqInfoBlock; 245a5cf2bb4SCornelia Huck 246a5cf2bb4SCornelia Huck typedef struct VqConfigBlock { 247a5cf2bb4SCornelia Huck uint16_t index; 248a5cf2bb4SCornelia Huck uint16_t num_max; 249a5cf2bb4SCornelia Huck } QEMU_PACKED VqConfigBlock; 250a5cf2bb4SCornelia Huck 251a5cf2bb4SCornelia Huck typedef struct VirtioFeatDesc { 252a5cf2bb4SCornelia Huck uint32_t features; 253a5cf2bb4SCornelia Huck uint8_t index; 254a5cf2bb4SCornelia Huck } QEMU_PACKED VirtioFeatDesc; 255a5cf2bb4SCornelia Huck 2567e749462SCornelia Huck typedef struct VirtioThinintInfo { 2577e749462SCornelia Huck hwaddr summary_indicator; 2587e749462SCornelia Huck hwaddr device_indicator; 2597e749462SCornelia Huck uint64_t ind_bit; 2607e749462SCornelia Huck uint8_t isc; 2617e749462SCornelia Huck } QEMU_PACKED VirtioThinintInfo; 2627e749462SCornelia Huck 263a5cf2bb4SCornelia Huck /* Specify where the virtqueues for the subchannel are in guest memory. */ 264a5cf2bb4SCornelia Huck static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr, uint32_t align, 265a5cf2bb4SCornelia Huck uint16_t index, uint16_t num) 266a5cf2bb4SCornelia Huck { 267f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 268a5cf2bb4SCornelia Huck 269590fe572SCornelia Huck if (index >= VIRTIO_PCI_QUEUE_MAX) { 270a5cf2bb4SCornelia Huck return -EINVAL; 271a5cf2bb4SCornelia Huck } 272a5cf2bb4SCornelia Huck 273a5cf2bb4SCornelia Huck /* Current code in virtio.c relies on 4K alignment. */ 274a5cf2bb4SCornelia Huck if (addr && (align != 4096)) { 275a5cf2bb4SCornelia Huck return -EINVAL; 276a5cf2bb4SCornelia Huck } 277a5cf2bb4SCornelia Huck 278f24a6840SPaolo Bonzini if (!vdev) { 279a5cf2bb4SCornelia Huck return -EINVAL; 280a5cf2bb4SCornelia Huck } 281a5cf2bb4SCornelia Huck 282f24a6840SPaolo Bonzini virtio_queue_set_addr(vdev, index, addr); 283a5cf2bb4SCornelia Huck if (!addr) { 284f24a6840SPaolo Bonzini virtio_queue_set_vector(vdev, index, 0); 285a5cf2bb4SCornelia Huck } else { 286a5cf2bb4SCornelia Huck /* Fail if we don't have a big enough queue. */ 287a5cf2bb4SCornelia Huck /* TODO: Add interface to handle vring.num changing */ 288f24a6840SPaolo Bonzini if (virtio_queue_get_num(vdev, index) > num) { 289a5cf2bb4SCornelia Huck return -EINVAL; 290a5cf2bb4SCornelia Huck } 291f24a6840SPaolo Bonzini virtio_queue_set_vector(vdev, index, index); 292a5cf2bb4SCornelia Huck } 293a5cf2bb4SCornelia Huck /* tell notify handler in case of config change */ 294f24a6840SPaolo Bonzini vdev->config_vector = VIRTIO_PCI_QUEUE_MAX; 295a5cf2bb4SCornelia Huck return 0; 296a5cf2bb4SCornelia Huck } 297a5cf2bb4SCornelia Huck 298a5cf2bb4SCornelia Huck static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) 299a5cf2bb4SCornelia Huck { 300a5cf2bb4SCornelia Huck int ret; 301a5cf2bb4SCornelia Huck VqInfoBlock info; 302a5cf2bb4SCornelia Huck uint8_t status; 303a5cf2bb4SCornelia Huck VirtioFeatDesc features; 304a5cf2bb4SCornelia Huck void *config; 305a5cf2bb4SCornelia Huck hwaddr indicators; 306a5cf2bb4SCornelia Huck VqConfigBlock vq_config; 307a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = sch->driver_data; 308f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 309a5cf2bb4SCornelia Huck bool check_len; 310a5cf2bb4SCornelia Huck int len; 311a5cf2bb4SCornelia Huck hwaddr hw_len; 3127e749462SCornelia Huck VirtioThinintInfo *thinint; 313a5cf2bb4SCornelia Huck 314a5cf2bb4SCornelia Huck if (!dev) { 315a5cf2bb4SCornelia Huck return -EINVAL; 316a5cf2bb4SCornelia Huck } 317a5cf2bb4SCornelia Huck 318a5cf2bb4SCornelia Huck trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, 319a5cf2bb4SCornelia Huck ccw.cmd_code); 320a5cf2bb4SCornelia Huck check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); 321a5cf2bb4SCornelia Huck 322a5cf2bb4SCornelia Huck /* Look at the command. */ 323a5cf2bb4SCornelia Huck switch (ccw.cmd_code) { 324a5cf2bb4SCornelia Huck case CCW_CMD_SET_VQ: 325a5cf2bb4SCornelia Huck if (check_len) { 326a5cf2bb4SCornelia Huck if (ccw.count != sizeof(info)) { 327a5cf2bb4SCornelia Huck ret = -EINVAL; 328a5cf2bb4SCornelia Huck break; 329a5cf2bb4SCornelia Huck } 330a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(info)) { 331a5cf2bb4SCornelia Huck /* Can't execute command. */ 332a5cf2bb4SCornelia Huck ret = -EINVAL; 333a5cf2bb4SCornelia Huck break; 334a5cf2bb4SCornelia Huck } 335a5cf2bb4SCornelia Huck if (!ccw.cda) { 336a5cf2bb4SCornelia Huck ret = -EFAULT; 337a5cf2bb4SCornelia Huck } else { 338*42874d3aSPeter Maydell info.queue = address_space_ldq(&address_space_memory, ccw.cda, 339*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 340*42874d3aSPeter Maydell info.align = address_space_ldl(&address_space_memory, 341*42874d3aSPeter Maydell ccw.cda + sizeof(info.queue), 342*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 343*42874d3aSPeter Maydell NULL); 344*42874d3aSPeter Maydell info.index = address_space_lduw(&address_space_memory, 34541701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 346*42874d3aSPeter Maydell + sizeof(info.align), 347*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 348*42874d3aSPeter Maydell NULL); 349*42874d3aSPeter Maydell info.num = address_space_lduw(&address_space_memory, 35041701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 351a5cf2bb4SCornelia Huck + sizeof(info.align) 352*42874d3aSPeter Maydell + sizeof(info.index), 353*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 354*42874d3aSPeter Maydell NULL); 355a5cf2bb4SCornelia Huck ret = virtio_ccw_set_vqs(sch, info.queue, info.align, info.index, 356a5cf2bb4SCornelia Huck info.num); 357a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = 0; 358a5cf2bb4SCornelia Huck } 359a5cf2bb4SCornelia Huck break; 360a5cf2bb4SCornelia Huck case CCW_CMD_VDEV_RESET: 361b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 362f24a6840SPaolo Bonzini virtio_reset(vdev); 363a5cf2bb4SCornelia Huck ret = 0; 364a5cf2bb4SCornelia Huck break; 365a5cf2bb4SCornelia Huck case CCW_CMD_READ_FEAT: 366a5cf2bb4SCornelia Huck if (check_len) { 367a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 368a5cf2bb4SCornelia Huck ret = -EINVAL; 369a5cf2bb4SCornelia Huck break; 370a5cf2bb4SCornelia Huck } 371a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 372a5cf2bb4SCornelia Huck /* Can't execute command. */ 373a5cf2bb4SCornelia Huck ret = -EINVAL; 374a5cf2bb4SCornelia Huck break; 375a5cf2bb4SCornelia Huck } 376a5cf2bb4SCornelia Huck if (!ccw.cda) { 377a5cf2bb4SCornelia Huck ret = -EFAULT; 378a5cf2bb4SCornelia Huck } else { 379*42874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 380*42874d3aSPeter Maydell ccw.cda 381*42874d3aSPeter Maydell + sizeof(features.features), 382*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 383*42874d3aSPeter Maydell NULL); 384a5cf2bb4SCornelia Huck if (features.index < ARRAY_SIZE(dev->host_features)) { 385a5cf2bb4SCornelia Huck features.features = dev->host_features[features.index]; 386a5cf2bb4SCornelia Huck } else { 387a5cf2bb4SCornelia Huck /* Return zeroes if the guest supports more feature bits. */ 388a5cf2bb4SCornelia Huck features.features = 0; 389a5cf2bb4SCornelia Huck } 390*42874d3aSPeter Maydell address_space_stl_le(&address_space_memory, ccw.cda, 391*42874d3aSPeter Maydell features.features, MEMTXATTRS_UNSPECIFIED, 392*42874d3aSPeter Maydell NULL); 393a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 394a5cf2bb4SCornelia Huck ret = 0; 395a5cf2bb4SCornelia Huck } 396a5cf2bb4SCornelia Huck break; 397a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_FEAT: 398a5cf2bb4SCornelia Huck if (check_len) { 399a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 400a5cf2bb4SCornelia Huck ret = -EINVAL; 401a5cf2bb4SCornelia Huck break; 402a5cf2bb4SCornelia Huck } 403a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 404a5cf2bb4SCornelia Huck /* Can't execute command. */ 405a5cf2bb4SCornelia Huck ret = -EINVAL; 406a5cf2bb4SCornelia Huck break; 407a5cf2bb4SCornelia Huck } 408a5cf2bb4SCornelia Huck if (!ccw.cda) { 409a5cf2bb4SCornelia Huck ret = -EFAULT; 410a5cf2bb4SCornelia Huck } else { 411*42874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 412*42874d3aSPeter Maydell ccw.cda 413*42874d3aSPeter Maydell + sizeof(features.features), 414*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 415*42874d3aSPeter Maydell NULL); 416*42874d3aSPeter Maydell features.features = address_space_ldl_le(&address_space_memory, 417*42874d3aSPeter Maydell ccw.cda, 418*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 419*42874d3aSPeter Maydell NULL); 420a5cf2bb4SCornelia Huck if (features.index < ARRAY_SIZE(dev->host_features)) { 421a590fd5bSCornelia Huck virtio_set_features(vdev, features.features); 422a5cf2bb4SCornelia Huck } else { 423a5cf2bb4SCornelia Huck /* 424a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 425a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 426a5cf2bb4SCornelia Huck */ 427a5cf2bb4SCornelia Huck if (features.features) { 428a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 429a5cf2bb4SCornelia Huck features.index, features.features); 430a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 431a5cf2bb4SCornelia Huck } 432a5cf2bb4SCornelia Huck } 433a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 434a5cf2bb4SCornelia Huck ret = 0; 435a5cf2bb4SCornelia Huck } 436a5cf2bb4SCornelia Huck break; 437a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 438a5cf2bb4SCornelia Huck if (check_len) { 439f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 440a5cf2bb4SCornelia Huck ret = -EINVAL; 441a5cf2bb4SCornelia Huck break; 442a5cf2bb4SCornelia Huck } 443a5cf2bb4SCornelia Huck } 444f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 445a5cf2bb4SCornelia Huck if (!ccw.cda) { 446a5cf2bb4SCornelia Huck ret = -EFAULT; 447a5cf2bb4SCornelia Huck } else { 448f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 449a5cf2bb4SCornelia Huck /* XXX config space endianness */ 450f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 451a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 452a5cf2bb4SCornelia Huck ret = 0; 453a5cf2bb4SCornelia Huck } 454a5cf2bb4SCornelia Huck break; 455a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_CONF: 456a5cf2bb4SCornelia Huck if (check_len) { 457f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 458a5cf2bb4SCornelia Huck ret = -EINVAL; 459a5cf2bb4SCornelia Huck break; 460a5cf2bb4SCornelia Huck } 461a5cf2bb4SCornelia Huck } 462f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 463a5cf2bb4SCornelia Huck hw_len = len; 464a5cf2bb4SCornelia Huck if (!ccw.cda) { 465a5cf2bb4SCornelia Huck ret = -EFAULT; 466a5cf2bb4SCornelia Huck } else { 467a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 468a5cf2bb4SCornelia Huck if (!config) { 469a5cf2bb4SCornelia Huck ret = -EFAULT; 470a5cf2bb4SCornelia Huck } else { 471a5cf2bb4SCornelia Huck len = hw_len; 472a5cf2bb4SCornelia Huck /* XXX config space endianness */ 473f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 474a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 475f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 476a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 477a5cf2bb4SCornelia Huck ret = 0; 478a5cf2bb4SCornelia Huck } 479a5cf2bb4SCornelia Huck } 480a5cf2bb4SCornelia Huck break; 481a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 482a5cf2bb4SCornelia Huck if (check_len) { 483a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 484a5cf2bb4SCornelia Huck ret = -EINVAL; 485a5cf2bb4SCornelia Huck break; 486a5cf2bb4SCornelia Huck } 487a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 488a5cf2bb4SCornelia Huck /* Can't execute command. */ 489a5cf2bb4SCornelia Huck ret = -EINVAL; 490a5cf2bb4SCornelia Huck break; 491a5cf2bb4SCornelia Huck } 492a5cf2bb4SCornelia Huck if (!ccw.cda) { 493a5cf2bb4SCornelia Huck ret = -EFAULT; 494a5cf2bb4SCornelia Huck } else { 495*42874d3aSPeter Maydell status = address_space_ldub(&address_space_memory, ccw.cda, 496*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 497b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 498b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 499b4436a0bSCornelia Huck } 500f24a6840SPaolo Bonzini virtio_set_status(vdev, status); 501f24a6840SPaolo Bonzini if (vdev->status == 0) { 502f24a6840SPaolo Bonzini virtio_reset(vdev); 503a5cf2bb4SCornelia Huck } 504b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 505b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 506b4436a0bSCornelia Huck } 507a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 508a5cf2bb4SCornelia Huck ret = 0; 509a5cf2bb4SCornelia Huck } 510a5cf2bb4SCornelia Huck break; 511a5cf2bb4SCornelia Huck case CCW_CMD_SET_IND: 512a5cf2bb4SCornelia Huck if (check_len) { 513a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 514a5cf2bb4SCornelia Huck ret = -EINVAL; 515a5cf2bb4SCornelia Huck break; 516a5cf2bb4SCornelia Huck } 517a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 518a5cf2bb4SCornelia Huck /* Can't execute command. */ 519a5cf2bb4SCornelia Huck ret = -EINVAL; 520a5cf2bb4SCornelia Huck break; 521a5cf2bb4SCornelia Huck } 5227e749462SCornelia Huck if (sch->thinint_active) { 5237e749462SCornelia Huck /* Trigger a command reject. */ 5247e749462SCornelia Huck ret = -ENOSYS; 5257e749462SCornelia Huck break; 5267e749462SCornelia Huck } 527d1db1fa8SCornelia Huck if (!ccw.cda) { 528a5cf2bb4SCornelia Huck ret = -EFAULT; 529a5cf2bb4SCornelia Huck } else { 530*42874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 531*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5327bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 533a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 534a5cf2bb4SCornelia Huck ret = 0; 535a5cf2bb4SCornelia Huck } 536a5cf2bb4SCornelia Huck break; 537a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 538a5cf2bb4SCornelia Huck if (check_len) { 539a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 540a5cf2bb4SCornelia Huck ret = -EINVAL; 541a5cf2bb4SCornelia Huck break; 542a5cf2bb4SCornelia Huck } 543a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 544a5cf2bb4SCornelia Huck /* Can't execute command. */ 545a5cf2bb4SCornelia Huck ret = -EINVAL; 546a5cf2bb4SCornelia Huck break; 547a5cf2bb4SCornelia Huck } 548d1db1fa8SCornelia Huck if (!ccw.cda) { 549a5cf2bb4SCornelia Huck ret = -EFAULT; 550a5cf2bb4SCornelia Huck } else { 551*42874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 552*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5537bca3892SCornelia Huck dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 554a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 555a5cf2bb4SCornelia Huck ret = 0; 556a5cf2bb4SCornelia Huck } 557a5cf2bb4SCornelia Huck break; 558a5cf2bb4SCornelia Huck case CCW_CMD_READ_VQ_CONF: 559a5cf2bb4SCornelia Huck if (check_len) { 560a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 561a5cf2bb4SCornelia Huck ret = -EINVAL; 562a5cf2bb4SCornelia Huck break; 563a5cf2bb4SCornelia Huck } 564a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 565a5cf2bb4SCornelia Huck /* Can't execute command. */ 566a5cf2bb4SCornelia Huck ret = -EINVAL; 567a5cf2bb4SCornelia Huck break; 568a5cf2bb4SCornelia Huck } 569a5cf2bb4SCornelia Huck if (!ccw.cda) { 570a5cf2bb4SCornelia Huck ret = -EFAULT; 571a5cf2bb4SCornelia Huck } else { 572*42874d3aSPeter Maydell vq_config.index = address_space_lduw_be(&address_space_memory, 573*42874d3aSPeter Maydell ccw.cda, 574*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 575*42874d3aSPeter Maydell NULL); 576d03a3630SCornelia Huck if (vq_config.index >= VIRTIO_PCI_QUEUE_MAX) { 577d03a3630SCornelia Huck ret = -EINVAL; 578d03a3630SCornelia Huck break; 579d03a3630SCornelia Huck } 580f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 581a5cf2bb4SCornelia Huck vq_config.index); 582*42874d3aSPeter Maydell address_space_stw_be(&address_space_memory, 583*42874d3aSPeter Maydell ccw.cda + sizeof(vq_config.index), 584*42874d3aSPeter Maydell vq_config.num_max, 585*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 586*42874d3aSPeter Maydell NULL); 587a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 588a5cf2bb4SCornelia Huck ret = 0; 589a5cf2bb4SCornelia Huck } 590a5cf2bb4SCornelia Huck break; 5917e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 5927e749462SCornelia Huck if (check_len) { 5937e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 5947e749462SCornelia Huck ret = -EINVAL; 5957e749462SCornelia Huck break; 5967e749462SCornelia Huck } 5977e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 5987e749462SCornelia Huck /* Can't execute command. */ 5997e749462SCornelia Huck ret = -EINVAL; 6007e749462SCornelia Huck break; 6017e749462SCornelia Huck } 6027e749462SCornelia Huck len = sizeof(*thinint); 6037e749462SCornelia Huck hw_len = len; 6047e749462SCornelia Huck if (!ccw.cda) { 6057e749462SCornelia Huck ret = -EFAULT; 6067e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 6077e749462SCornelia Huck /* Trigger a command reject. */ 6087e749462SCornelia Huck ret = -ENOSYS; 6097e749462SCornelia Huck } else { 6107e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 6117e749462SCornelia Huck if (!thinint) { 6127e749462SCornelia Huck ret = -EFAULT; 6137e749462SCornelia Huck } else { 6147d45285fSCornelia Huck uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 6157d45285fSCornelia Huck 6167e749462SCornelia Huck len = hw_len; 6177bca3892SCornelia Huck dev->summary_indicator = 6187d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->summary_indicator), 6197d45285fSCornelia Huck sizeof(uint8_t)); 6207d45285fSCornelia Huck dev->indicators = 6217d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->device_indicator), 6227d45285fSCornelia Huck ind_bit / 8 + 1); 6237e749462SCornelia Huck dev->thinint_isc = thinint->isc; 6247d45285fSCornelia Huck dev->routes.adapter.ind_offset = ind_bit; 625d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 6267e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 62703cf077aSCornelia Huck ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 62803cf077aSCornelia Huck dev->thinint_isc, true, false, 629d426d9fbSCornelia Huck &dev->routes.adapter.adapter_id); 63003cf077aSCornelia Huck assert(ret == 0); 6317bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 6327bca3892SCornelia Huck (dev->summary_indicator != NULL)); 6337e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 6347e749462SCornelia Huck ret = 0; 6357e749462SCornelia Huck } 6367e749462SCornelia Huck } 6377e749462SCornelia Huck break; 638a5cf2bb4SCornelia Huck default: 6398d034a6fSCornelia Huck ret = -ENOSYS; 640a5cf2bb4SCornelia Huck break; 641a5cf2bb4SCornelia Huck } 642a5cf2bb4SCornelia Huck return ret; 643a5cf2bb4SCornelia Huck } 644a5cf2bb4SCornelia Huck 6455e5ced38SMarkus Armbruster static void virtio_ccw_device_realize(VirtioCcwDevice *dev, 6465e5ced38SMarkus Armbruster VirtIODevice *vdev, Error **errp) 647a5cf2bb4SCornelia Huck { 648a5cf2bb4SCornelia Huck unsigned int cssid = 0; 649a5cf2bb4SCornelia Huck unsigned int ssid = 0; 650a5cf2bb4SCornelia Huck unsigned int schid; 651a5cf2bb4SCornelia Huck unsigned int devno; 652a5cf2bb4SCornelia Huck bool have_devno = false; 653a5cf2bb4SCornelia Huck bool found = false; 654a5cf2bb4SCornelia Huck SubchDev *sch; 655a5cf2bb4SCornelia Huck int num; 656a5cf2bb4SCornelia Huck DeviceState *parent = DEVICE(dev); 657a5cf2bb4SCornelia Huck 658a5cf2bb4SCornelia Huck sch = g_malloc0(sizeof(SubchDev)); 659a5cf2bb4SCornelia Huck 660a5cf2bb4SCornelia Huck sch->driver_data = dev; 661a5cf2bb4SCornelia Huck dev->sch = sch; 662a5cf2bb4SCornelia Huck 6637bca3892SCornelia Huck dev->indicators = NULL; 664a5cf2bb4SCornelia Huck 665a5cf2bb4SCornelia Huck /* Initialize subchannel structure. */ 666a5cf2bb4SCornelia Huck sch->channel_prog = 0x0; 667a5cf2bb4SCornelia Huck sch->last_cmd_valid = false; 6687e749462SCornelia Huck sch->thinint_active = false; 669a5cf2bb4SCornelia Huck /* 670a5cf2bb4SCornelia Huck * Use a device number if provided. Otherwise, fall back to subchannel 671a5cf2bb4SCornelia Huck * number. 672a5cf2bb4SCornelia Huck */ 673a5cf2bb4SCornelia Huck if (dev->bus_id) { 674a5cf2bb4SCornelia Huck num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno); 675a5cf2bb4SCornelia Huck if (num == 3) { 676a5cf2bb4SCornelia Huck if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) { 6775e5ced38SMarkus Armbruster error_setg(errp, "Invalid cssid or ssid: cssid %x, ssid %x", 678a5cf2bb4SCornelia Huck cssid, ssid); 679a5cf2bb4SCornelia Huck goto out_err; 680a5cf2bb4SCornelia Huck } 681a5cf2bb4SCornelia Huck /* Enforce use of virtual cssid. */ 682a5cf2bb4SCornelia Huck if (cssid != VIRTUAL_CSSID) { 6835e5ced38SMarkus Armbruster error_setg(errp, "cssid %x not valid for virtio devices", 6845e5ced38SMarkus Armbruster cssid); 685a5cf2bb4SCornelia Huck goto out_err; 686a5cf2bb4SCornelia Huck } 687a5cf2bb4SCornelia Huck if (css_devno_used(cssid, ssid, devno)) { 6885e5ced38SMarkus Armbruster error_setg(errp, "Device %x.%x.%04x already exists", 6895e5ced38SMarkus Armbruster cssid, ssid, devno); 690a5cf2bb4SCornelia Huck goto out_err; 691a5cf2bb4SCornelia Huck } 692a5cf2bb4SCornelia Huck sch->cssid = cssid; 693a5cf2bb4SCornelia Huck sch->ssid = ssid; 694a5cf2bb4SCornelia Huck sch->devno = devno; 695a5cf2bb4SCornelia Huck have_devno = true; 696a5cf2bb4SCornelia Huck } else { 6975e5ced38SMarkus Armbruster error_setg(errp, "Malformed devno parameter '%s'", dev->bus_id); 698a5cf2bb4SCornelia Huck goto out_err; 699a5cf2bb4SCornelia Huck } 700a5cf2bb4SCornelia Huck } 701a5cf2bb4SCornelia Huck 702a5cf2bb4SCornelia Huck /* Find the next free id. */ 703a5cf2bb4SCornelia Huck if (have_devno) { 704a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 705a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 706a5cf2bb4SCornelia Huck sch->schid = schid; 707a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 708a5cf2bb4SCornelia Huck found = true; 709a5cf2bb4SCornelia Huck break; 710a5cf2bb4SCornelia Huck } 711a5cf2bb4SCornelia Huck } 712a5cf2bb4SCornelia Huck if (!found) { 7135e5ced38SMarkus Armbruster error_setg(errp, "No free subchannel found for %x.%x.%04x", 7145e5ced38SMarkus Armbruster cssid, ssid, devno); 715a5cf2bb4SCornelia Huck goto out_err; 716a5cf2bb4SCornelia Huck } 717a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 718a5cf2bb4SCornelia Huck "user-configured"); 719a5cf2bb4SCornelia Huck } else { 720a5cf2bb4SCornelia Huck cssid = VIRTUAL_CSSID; 721a5cf2bb4SCornelia Huck for (ssid = 0; ssid <= MAX_SSID; ssid++) { 722a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 723a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 724a5cf2bb4SCornelia Huck sch->cssid = cssid; 725a5cf2bb4SCornelia Huck sch->ssid = ssid; 726a5cf2bb4SCornelia Huck sch->schid = schid; 727a5cf2bb4SCornelia Huck devno = schid; 728a5cf2bb4SCornelia Huck /* 729a5cf2bb4SCornelia Huck * If the devno is already taken, look further in this 730a5cf2bb4SCornelia Huck * subchannel set. 731a5cf2bb4SCornelia Huck */ 732a5cf2bb4SCornelia Huck while (css_devno_used(cssid, ssid, devno)) { 733a5cf2bb4SCornelia Huck if (devno == MAX_SCHID) { 734a5cf2bb4SCornelia Huck devno = 0; 735a5cf2bb4SCornelia Huck } else if (devno == schid - 1) { 7365e5ced38SMarkus Armbruster error_setg(errp, "No free devno found"); 737a5cf2bb4SCornelia Huck goto out_err; 738a5cf2bb4SCornelia Huck } else { 739a5cf2bb4SCornelia Huck devno++; 740a5cf2bb4SCornelia Huck } 741a5cf2bb4SCornelia Huck } 742a5cf2bb4SCornelia Huck sch->devno = devno; 743a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 744a5cf2bb4SCornelia Huck found = true; 745a5cf2bb4SCornelia Huck break; 746a5cf2bb4SCornelia Huck } 747a5cf2bb4SCornelia Huck } 748a5cf2bb4SCornelia Huck if (found) { 749a5cf2bb4SCornelia Huck break; 750a5cf2bb4SCornelia Huck } 751a5cf2bb4SCornelia Huck } 752a5cf2bb4SCornelia Huck if (!found) { 7535e5ced38SMarkus Armbruster error_setg(errp, "Virtual channel subsystem is full!"); 754a5cf2bb4SCornelia Huck goto out_err; 755a5cf2bb4SCornelia Huck } 756a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 757a5cf2bb4SCornelia Huck "auto-configured"); 758a5cf2bb4SCornelia Huck } 759a5cf2bb4SCornelia Huck 760a5cf2bb4SCornelia Huck /* Build initial schib. */ 761a5cf2bb4SCornelia Huck css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 762a5cf2bb4SCornelia Huck 763a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 764a5cf2bb4SCornelia Huck 765a5cf2bb4SCornelia Huck /* Build senseid data. */ 766a5cf2bb4SCornelia Huck memset(&sch->id, 0, sizeof(SenseId)); 767a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 768a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 769f24a6840SPaolo Bonzini sch->id.cu_model = vdev->device_id; 770a5cf2bb4SCornelia Huck 771a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 772181103cdSKONRAD Frederic dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus, 773181103cdSKONRAD Frederic dev->host_features[0]); 774181103cdSKONRAD Frederic 7750cd09c3aSCornelia Huck virtio_add_feature(&dev->host_features[0], VIRTIO_F_NOTIFY_ON_EMPTY); 7760cd09c3aSCornelia Huck virtio_add_feature(&dev->host_features[0], VIRTIO_F_BAD_FEATURE); 777a5cf2bb4SCornelia Huck 778a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 779a5cf2bb4SCornelia Huck parent->hotplugged, 1); 7805e5ced38SMarkus Armbruster return; 781a5cf2bb4SCornelia Huck 782a5cf2bb4SCornelia Huck out_err: 783a5cf2bb4SCornelia Huck dev->sch = NULL; 784a5cf2bb4SCornelia Huck g_free(sch); 785a5cf2bb4SCornelia Huck } 786a5cf2bb4SCornelia Huck 787a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 788a5cf2bb4SCornelia Huck { 789a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 790a5cf2bb4SCornelia Huck 791a5cf2bb4SCornelia Huck if (sch) { 792a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 793a5cf2bb4SCornelia Huck g_free(sch); 794a5cf2bb4SCornelia Huck } 7957bca3892SCornelia Huck if (dev->indicators) { 796d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 7977bca3892SCornelia Huck dev->indicators = NULL; 7987bca3892SCornelia Huck } 799a5cf2bb4SCornelia Huck return 0; 800a5cf2bb4SCornelia Huck } 801a5cf2bb4SCornelia Huck 8025e5ced38SMarkus Armbruster static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 803a5cf2bb4SCornelia Huck { 804800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 80589334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 80689334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8075e5ced38SMarkus Armbruster Error *err = NULL; 808a5cf2bb4SCornelia Huck 80989334c8bSKONRAD Frederic virtio_net_set_config_size(&dev->vdev, ccw_dev->host_features[0]); 810800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 811800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 81289334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8135e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8145e5ced38SMarkus Armbruster if (err) { 8155e5ced38SMarkus Armbruster error_propagate(errp, err); 8165e5ced38SMarkus Armbruster return; 817a5cf2bb4SCornelia Huck } 818a5cf2bb4SCornelia Huck 8195e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 820a5cf2bb4SCornelia Huck } 821a5cf2bb4SCornelia Huck 82289334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 823a5cf2bb4SCornelia Huck { 82489334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 825c8075cafSGonglei 826c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 827c8075cafSGonglei TYPE_VIRTIO_NET); 8280cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 8290cf63c3eSGonglei "bootindex", &error_abort); 830a5cf2bb4SCornelia Huck } 831a5cf2bb4SCornelia Huck 8325e5ced38SMarkus Armbruster static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 833a5cf2bb4SCornelia Huck { 8343400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 8353400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8365e5ced38SMarkus Armbruster Error *err = NULL; 8375e5ced38SMarkus Armbruster 8383400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8395e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8405e5ced38SMarkus Armbruster if (err) { 8415e5ced38SMarkus Armbruster error_propagate(errp, err); 8425e5ced38SMarkus Armbruster return; 843a5cf2bb4SCornelia Huck } 844a5cf2bb4SCornelia Huck 8455e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 846a5cf2bb4SCornelia Huck } 847a5cf2bb4SCornelia Huck 8483400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 849a5cf2bb4SCornelia Huck { 8503400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 851c8075cafSGonglei 852c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 853c8075cafSGonglei TYPE_VIRTIO_BLK); 854467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 855467b3f33SStefan Hajnoczi &error_abort); 856aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 857aeb98ddcSGonglei "bootindex", &error_abort); 858a5cf2bb4SCornelia Huck } 859a5cf2bb4SCornelia Huck 8605e5ced38SMarkus Armbruster static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 861a5cf2bb4SCornelia Huck { 8626acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 8636acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 86480270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 8655e5ced38SMarkus Armbruster Error *err = NULL; 86680270a19SKONRAD Frederic char *bus_name; 86780270a19SKONRAD Frederic 86880270a19SKONRAD Frederic /* 86980270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 87080270a19SKONRAD Frederic * name as before. 87180270a19SKONRAD Frederic */ 87280270a19SKONRAD Frederic if (proxy->id) { 87380270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 87480270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 87580270a19SKONRAD Frederic g_free(bus_name); 87680270a19SKONRAD Frederic } 877a5cf2bb4SCornelia Huck 8786acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8795e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8805e5ced38SMarkus Armbruster if (err) { 8815e5ced38SMarkus Armbruster error_propagate(errp, err); 8825e5ced38SMarkus Armbruster return; 883a5cf2bb4SCornelia Huck } 884a5cf2bb4SCornelia Huck 8855e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 886a5cf2bb4SCornelia Huck } 887a5cf2bb4SCornelia Huck 8886acf69cdSKONRAD Frederic 8896acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 890a5cf2bb4SCornelia Huck { 8916acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 892c8075cafSGonglei 893c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 894c8075cafSGonglei TYPE_VIRTIO_SERIAL); 895a5cf2bb4SCornelia Huck } 896a5cf2bb4SCornelia Huck 8975e5ced38SMarkus Armbruster static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 898a5cf2bb4SCornelia Huck { 89930bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 90030bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9015e5ced38SMarkus Armbruster Error *err = NULL; 902a5cf2bb4SCornelia Huck 90330bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9045e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9055e5ced38SMarkus Armbruster if (err) { 9065e5ced38SMarkus Armbruster error_propagate(errp, err); 9075e5ced38SMarkus Armbruster return; 908a5cf2bb4SCornelia Huck } 909a5cf2bb4SCornelia Huck 9105e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 911a5cf2bb4SCornelia Huck } 912a5cf2bb4SCornelia Huck 91324a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_all(Object *obj, struct Visitor *v, 91424a6e7f4SKONRAD Frederic void *opaque, const char *name, 91524a6e7f4SKONRAD Frederic Error **errp) 91624a6e7f4SKONRAD Frederic { 91724a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 91824a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats", errp); 91924a6e7f4SKONRAD Frederic } 92024a6e7f4SKONRAD Frederic 92124a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_poll_interval(Object *obj, struct Visitor *v, 92224a6e7f4SKONRAD Frederic void *opaque, const char *name, 92324a6e7f4SKONRAD Frederic Error **errp) 92424a6e7f4SKONRAD Frederic { 92524a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 92624a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 92724a6e7f4SKONRAD Frederic errp); 92824a6e7f4SKONRAD Frederic } 92924a6e7f4SKONRAD Frederic 93024a6e7f4SKONRAD Frederic static void balloon_ccw_stats_set_poll_interval(Object *obj, struct Visitor *v, 93124a6e7f4SKONRAD Frederic void *opaque, const char *name, 93224a6e7f4SKONRAD Frederic Error **errp) 93324a6e7f4SKONRAD Frederic { 93424a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 93524a6e7f4SKONRAD Frederic object_property_set(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 93624a6e7f4SKONRAD Frederic errp); 93724a6e7f4SKONRAD Frederic } 93824a6e7f4SKONRAD Frederic 93930bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 940a5cf2bb4SCornelia Huck { 94130bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 942a6027b0fSDenis V. Lunev virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 943a6027b0fSDenis V. Lunev TYPE_VIRTIO_BALLOON); 94424a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats", "guest statistics", 94524a6e7f4SKONRAD Frederic balloon_ccw_stats_get_all, NULL, NULL, dev, NULL); 94624a6e7f4SKONRAD Frederic 94724a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats-polling-interval", "int", 94824a6e7f4SKONRAD Frederic balloon_ccw_stats_get_poll_interval, 94924a6e7f4SKONRAD Frederic balloon_ccw_stats_set_poll_interval, 95024a6e7f4SKONRAD Frederic NULL, dev, NULL); 951a5cf2bb4SCornelia Huck } 952a5cf2bb4SCornelia Huck 9535e5ced38SMarkus Armbruster static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 954a5cf2bb4SCornelia Huck { 955c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 956c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9576f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 9585e5ced38SMarkus Armbruster Error *err = NULL; 9596f32a6b4SKONRAD Frederic char *bus_name; 9606f32a6b4SKONRAD Frederic 9616f32a6b4SKONRAD Frederic /* 9626f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 9636f32a6b4SKONRAD Frederic * name as before. 9646f32a6b4SKONRAD Frederic */ 9656f32a6b4SKONRAD Frederic if (qdev->id) { 9666f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 9676f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 9686f32a6b4SKONRAD Frederic g_free(bus_name); 9696f32a6b4SKONRAD Frederic } 970a5cf2bb4SCornelia Huck 971c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9725e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9735e5ced38SMarkus Armbruster if (err) { 9745e5ced38SMarkus Armbruster error_propagate(errp, err); 9755e5ced38SMarkus Armbruster return; 976a5cf2bb4SCornelia Huck } 977a5cf2bb4SCornelia Huck 9785e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 979a5cf2bb4SCornelia Huck } 980a5cf2bb4SCornelia Huck 981c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 982a5cf2bb4SCornelia Huck { 983c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 984c8075cafSGonglei 985c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 986c8075cafSGonglei TYPE_VIRTIO_SCSI); 98719d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 98819d339f1SFam Zheng &error_abort); 989a5cf2bb4SCornelia Huck } 990a5cf2bb4SCornelia Huck 991ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 9925e5ced38SMarkus Armbruster static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 993ccf6916cSPaolo Bonzini { 994ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 995ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 9965e5ced38SMarkus Armbruster Error *err = NULL; 997ccf6916cSPaolo Bonzini 998ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9995e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 10005e5ced38SMarkus Armbruster if (err) { 10015e5ced38SMarkus Armbruster error_propagate(errp, err); 10025e5ced38SMarkus Armbruster return; 1003ccf6916cSPaolo Bonzini } 1004ccf6916cSPaolo Bonzini 10055e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 1006ccf6916cSPaolo Bonzini } 1007ccf6916cSPaolo Bonzini 1008ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 1009ccf6916cSPaolo Bonzini { 1010ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 1011c8075cafSGonglei 1012c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1013c8075cafSGonglei TYPE_VHOST_SCSI); 1014ccf6916cSPaolo Bonzini } 1015ccf6916cSPaolo Bonzini #endif 1016ccf6916cSPaolo Bonzini 10175e5ced38SMarkus Armbruster static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 10182362ecc5SCornelia Huck { 10192db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 10202db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 10215e5ced38SMarkus Armbruster Error *err = NULL; 10222362ecc5SCornelia Huck 10232db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 10245e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 10255e5ced38SMarkus Armbruster if (err) { 10265e5ced38SMarkus Armbruster error_propagate(errp, err); 10275e5ced38SMarkus Armbruster return; 10282362ecc5SCornelia Huck } 10292362ecc5SCornelia Huck 10302db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 10315b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 10322db26d4cSKONRAD Frederic NULL); 10332db26d4cSKONRAD Frederic 10345e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 10352362ecc5SCornelia Huck } 10362362ecc5SCornelia Huck 1037a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 1038a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 1039a5cf2bb4SCornelia Huck */ 1040a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 1041a5cf2bb4SCornelia Huck { 1042a5cf2bb4SCornelia Huck return container_of(d, VirtioCcwDevice, parent_obj); 1043a5cf2bb4SCornelia Huck } 1044a5cf2bb4SCornelia Huck 10457e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 10467e749462SCornelia Huck uint8_t to_be_set) 10477e749462SCornelia Huck { 10487e749462SCornelia Huck uint8_t ind_old, ind_new; 10497e749462SCornelia Huck hwaddr len = 1; 10507e749462SCornelia Huck uint8_t *ind_addr; 10517e749462SCornelia Huck 10527e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 10537e749462SCornelia Huck if (!ind_addr) { 10547e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 10557e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 10567e749462SCornelia Huck return -1; 10577e749462SCornelia Huck } 10587e749462SCornelia Huck do { 10597e749462SCornelia Huck ind_old = *ind_addr; 10607e749462SCornelia Huck ind_new = ind_old | to_be_set; 10617e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 10627e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 10637e749462SCornelia Huck 10647e749462SCornelia Huck return ind_old; 10657e749462SCornelia Huck } 10667e749462SCornelia Huck 1067a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 1068a5cf2bb4SCornelia Huck { 1069a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 1070a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 1071a5cf2bb4SCornelia Huck uint64_t indicators; 1072a5cf2bb4SCornelia Huck 1073a5cf2bb4SCornelia Huck if (vector >= 128) { 1074a5cf2bb4SCornelia Huck return; 1075a5cf2bb4SCornelia Huck } 1076a5cf2bb4SCornelia Huck 1077a5cf2bb4SCornelia Huck if (vector < VIRTIO_PCI_QUEUE_MAX) { 10787c486976SCornelia Huck if (!dev->indicators) { 10797c486976SCornelia Huck return; 10807c486976SCornelia Huck } 10817e749462SCornelia Huck if (sch->thinint_active) { 10827e749462SCornelia Huck /* 10837e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 10847e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 10857e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 10867e749462SCornelia Huck * endian notation. 10877e749462SCornelia Huck */ 1088d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 1089d426d9fbSCornelia Huck 10907bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 1091d426d9fbSCornelia Huck (ind_bit + vector) / 8, 1092d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 10937bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 10947e749462SCornelia Huck 0x01)) { 10957e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 10967e749462SCornelia Huck } 10977e749462SCornelia Huck } else { 1098*42874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 1099*42874d3aSPeter Maydell dev->indicators->addr, 1100*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 1101*42874d3aSPeter Maydell NULL); 110219380b1bSCornelia Huck indicators |= 1ULL << vector; 1103*42874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators->addr, 1104*42874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 11057e749462SCornelia Huck css_conditional_io_interrupt(sch); 11067e749462SCornelia Huck } 1107a5cf2bb4SCornelia Huck } else { 11087c486976SCornelia Huck if (!dev->indicators2) { 11097c486976SCornelia Huck return; 11107c486976SCornelia Huck } 1111a5cf2bb4SCornelia Huck vector = 0; 1112*42874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 1113*42874d3aSPeter Maydell dev->indicators2->addr, 1114*42874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 1115*42874d3aSPeter Maydell NULL); 111619380b1bSCornelia Huck indicators |= 1ULL << vector; 1117*42874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators2->addr, 1118*42874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1119a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 11207e749462SCornelia Huck } 1121a5cf2bb4SCornelia Huck } 1122a5cf2bb4SCornelia Huck 1123a5cf2bb4SCornelia Huck static unsigned virtio_ccw_get_features(DeviceState *d) 1124a5cf2bb4SCornelia Huck { 1125a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1126a5cf2bb4SCornelia Huck 1127a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 1128a5cf2bb4SCornelia Huck return dev->host_features[0]; 1129a5cf2bb4SCornelia Huck } 1130a5cf2bb4SCornelia Huck 1131a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1132a5cf2bb4SCornelia Huck { 1133a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1134f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1135a5cf2bb4SCornelia Huck 1136b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1137f24a6840SPaolo Bonzini virtio_reset(vdev); 1138a5cf2bb4SCornelia Huck css_reset_sch(dev->sch); 11397bca3892SCornelia Huck if (dev->indicators) { 1140d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 11417bca3892SCornelia Huck dev->indicators = NULL; 11427bca3892SCornelia Huck } 11437bca3892SCornelia Huck if (dev->indicators2) { 1144d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 11457bca3892SCornelia Huck dev->indicators2 = NULL; 11467bca3892SCornelia Huck } 11477bca3892SCornelia Huck if (dev->summary_indicator) { 1148d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 11497bca3892SCornelia Huck dev->summary_indicator = NULL; 11507bca3892SCornelia Huck } 1151a5cf2bb4SCornelia Huck } 1152a5cf2bb4SCornelia Huck 1153b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1154b4436a0bSCornelia Huck { 1155b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1156b4436a0bSCornelia Huck 1157b4436a0bSCornelia Huck if (running) { 1158b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1159b4436a0bSCornelia Huck } else { 1160b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1161b4436a0bSCornelia Huck } 1162b4436a0bSCornelia Huck } 1163b4436a0bSCornelia Huck 1164320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1165320ce850SCornelia Huck { 1166320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1167320ce850SCornelia Huck 1168320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1169320ce850SCornelia Huck } 1170320ce850SCornelia Huck 1171320ce850SCornelia Huck static int virtio_ccw_set_host_notifier(DeviceState *d, int n, bool assign) 1172320ce850SCornelia Huck { 1173320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1174320ce850SCornelia Huck 1175320ce850SCornelia Huck /* Stop using the generic ioeventfd, we are doing eventfd handling 1176320ce850SCornelia Huck * ourselves below */ 1177320ce850SCornelia Huck dev->ioeventfd_disabled = assign; 1178320ce850SCornelia Huck if (assign) { 1179320ce850SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1180320ce850SCornelia Huck } 1181320ce850SCornelia Huck return virtio_ccw_set_guest2host_notifier(dev, n, assign, false); 1182320ce850SCornelia Huck } 1183320ce850SCornelia Huck 1184d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1185d426d9fbSCornelia Huck { 1186d426d9fbSCornelia Huck int r; 1187d426d9fbSCornelia Huck 1188d426d9fbSCornelia Huck if (!dev->sch->thinint_active) { 1189d426d9fbSCornelia Huck return -EINVAL; 1190d426d9fbSCornelia Huck } 1191d426d9fbSCornelia Huck 1192d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1193d426d9fbSCornelia Huck if (r) { 1194d426d9fbSCornelia Huck return r; 1195d426d9fbSCornelia Huck } 1196d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1197d426d9fbSCornelia Huck if (r) { 1198d426d9fbSCornelia Huck return r; 1199d426d9fbSCornelia Huck } 1200d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1201d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1202d426d9fbSCornelia Huck 1203d426d9fbSCornelia Huck return 0; 1204d426d9fbSCornelia Huck } 1205d426d9fbSCornelia Huck 1206d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1207d426d9fbSCornelia Huck { 1208d426d9fbSCornelia Huck int i; 1209d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1210d426d9fbSCornelia Huck int ret; 1211d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1212d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1213d426d9fbSCornelia Huck 1214d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1215d426d9fbSCornelia Huck if (ret) { 1216d426d9fbSCornelia Huck return ret; 1217d426d9fbSCornelia Huck } 1218d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1219d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1220d426d9fbSCornelia Huck break; 1221d426d9fbSCornelia Huck } 1222d426d9fbSCornelia Huck } 1223d426d9fbSCornelia Huck dev->routes.num_routes = i; 1224d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1225d426d9fbSCornelia Huck } 1226d426d9fbSCornelia Huck 1227d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1228d426d9fbSCornelia Huck { 1229d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1230d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1231d426d9fbSCornelia Huck 1232d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1233d426d9fbSCornelia Huck } 1234d426d9fbSCornelia Huck 1235d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1236d426d9fbSCornelia Huck { 1237d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1238d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1239d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1240d426d9fbSCornelia Huck 1241d426d9fbSCornelia Huck return kvm_irqchip_add_irqfd_notifier(kvm_state, notifier, NULL, 1242d426d9fbSCornelia Huck dev->routes.gsi[n]); 1243d426d9fbSCornelia Huck } 1244d426d9fbSCornelia Huck 1245d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1246d426d9fbSCornelia Huck { 1247d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1248d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1249d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1250d426d9fbSCornelia Huck int ret; 1251d426d9fbSCornelia Huck 1252d426d9fbSCornelia Huck ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, notifier, 1253d426d9fbSCornelia Huck dev->routes.gsi[n]); 1254d426d9fbSCornelia Huck assert(ret == 0); 1255d426d9fbSCornelia Huck } 1256d426d9fbSCornelia Huck 1257320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1258320ce850SCornelia Huck bool assign, bool with_irqfd) 1259320ce850SCornelia Huck { 1260f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1261f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1262320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1263f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1264320ce850SCornelia Huck 1265320ce850SCornelia Huck if (assign) { 1266320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1267320ce850SCornelia Huck 1268320ce850SCornelia Huck if (r < 0) { 1269320ce850SCornelia Huck return r; 1270320ce850SCornelia Huck } 1271320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1272d426d9fbSCornelia Huck if (with_irqfd) { 1273d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1274d426d9fbSCornelia Huck if (r) { 1275d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1276d426d9fbSCornelia Huck with_irqfd); 1277d426d9fbSCornelia Huck return r; 1278d426d9fbSCornelia Huck } 1279d426d9fbSCornelia Huck } 1280d426d9fbSCornelia Huck /* 1281d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1282d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1283320ce850SCornelia Huck */ 1284320ce850SCornelia Huck if (k->guest_notifier_mask) { 1285f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1286320ce850SCornelia Huck } 1287320ce850SCornelia Huck /* get lost events and re-inject */ 1288320ce850SCornelia Huck if (k->guest_notifier_pending && 1289f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1290320ce850SCornelia Huck event_notifier_set(notifier); 1291320ce850SCornelia Huck } 1292320ce850SCornelia Huck } else { 1293320ce850SCornelia Huck if (k->guest_notifier_mask) { 1294f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1295320ce850SCornelia Huck } 1296d426d9fbSCornelia Huck if (with_irqfd) { 1297d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1298d426d9fbSCornelia Huck } 1299320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1300320ce850SCornelia Huck event_notifier_cleanup(notifier); 1301320ce850SCornelia Huck } 1302320ce850SCornelia Huck return 0; 1303320ce850SCornelia Huck } 1304320ce850SCornelia Huck 1305320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1306320ce850SCornelia Huck bool assigned) 1307320ce850SCornelia Huck { 1308320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1309f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1310d426d9fbSCornelia Huck bool with_irqfd = dev->sch->thinint_active && kvm_irqfds_enabled(); 1311320ce850SCornelia Huck int r, n; 1312320ce850SCornelia Huck 1313d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1314d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1315d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1316d426d9fbSCornelia Huck if (r < 0) { 1317d426d9fbSCornelia Huck goto irqroute_error; 1318d426d9fbSCornelia Huck } 1319d426d9fbSCornelia Huck } 1320320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1321320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1322320ce850SCornelia Huck break; 1323320ce850SCornelia Huck } 1324d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1325320ce850SCornelia Huck if (r < 0) { 1326320ce850SCornelia Huck goto assign_error; 1327320ce850SCornelia Huck } 1328320ce850SCornelia Huck } 1329d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1330d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1331d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1332d426d9fbSCornelia Huck } 1333320ce850SCornelia Huck return 0; 1334320ce850SCornelia Huck 1335320ce850SCornelia Huck assign_error: 1336320ce850SCornelia Huck while (--n >= 0) { 1337320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1338320ce850SCornelia Huck } 1339d426d9fbSCornelia Huck irqroute_error: 1340d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1341d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1342d426d9fbSCornelia Huck } 1343320ce850SCornelia Huck return r; 1344320ce850SCornelia Huck } 1345320ce850SCornelia Huck 1346bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1347bcb2b582SJens Freimann { 1348bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1349bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1350bcb2b582SJens Freimann 1351bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1352bcb2b582SJens Freimann } 1353bcb2b582SJens Freimann 1354bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1355bcb2b582SJens Freimann { 1356bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1357bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1358bcb2b582SJens Freimann uint16_t vector; 1359bcb2b582SJens Freimann 1360bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1361bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1362bcb2b582SJens Freimann 1363bcb2b582SJens Freimann return 0; 1364bcb2b582SJens Freimann } 1365bcb2b582SJens Freimann 1366bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1367bcb2b582SJens Freimann { 1368bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1369bcb2b582SJens Freimann SubchDev *s = dev->sch; 1370bcb2b582SJens Freimann 1371bcb2b582SJens Freimann subch_device_save(s, f); 1372bcb2b582SJens Freimann if (dev->indicators != NULL) { 1373bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators->len); 1374bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators->addr); 1375bcb2b582SJens Freimann } else { 1376bcb2b582SJens Freimann qemu_put_be32(f, 0); 1377bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1378bcb2b582SJens Freimann } 1379bcb2b582SJens Freimann if (dev->indicators2 != NULL) { 1380bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators2->len); 1381bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators2->addr); 1382bcb2b582SJens Freimann } else { 1383bcb2b582SJens Freimann qemu_put_be32(f, 0); 1384bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1385bcb2b582SJens Freimann } 1386bcb2b582SJens Freimann if (dev->summary_indicator != NULL) { 1387bcb2b582SJens Freimann qemu_put_be32(f, dev->summary_indicator->len); 1388bcb2b582SJens Freimann qemu_put_be64(f, dev->summary_indicator->addr); 1389bcb2b582SJens Freimann } else { 1390bcb2b582SJens Freimann qemu_put_be32(f, 0); 1391bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1392bcb2b582SJens Freimann } 1393bcb2b582SJens Freimann qemu_put_be64(f, dev->routes.adapter.ind_offset); 1394bcb2b582SJens Freimann qemu_put_byte(f, dev->thinint_isc); 1395bcb2b582SJens Freimann } 1396bcb2b582SJens Freimann 1397bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1398bcb2b582SJens Freimann { 1399bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1400bcb2b582SJens Freimann SubchDev *s = dev->sch; 1401bcb2b582SJens Freimann int len; 1402bcb2b582SJens Freimann 1403bcb2b582SJens Freimann s->driver_data = dev; 1404bcb2b582SJens Freimann subch_device_load(s, f); 1405bcb2b582SJens Freimann len = qemu_get_be32(f); 1406bcb2b582SJens Freimann if (len != 0) { 1407bcb2b582SJens Freimann dev->indicators = get_indicator(qemu_get_be64(f), len); 1408bcb2b582SJens Freimann } else { 1409bcb2b582SJens Freimann qemu_get_be64(f); 1410bcb2b582SJens Freimann dev->indicators = NULL; 1411bcb2b582SJens Freimann } 1412bcb2b582SJens Freimann len = qemu_get_be32(f); 1413bcb2b582SJens Freimann if (len != 0) { 1414bcb2b582SJens Freimann dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1415bcb2b582SJens Freimann } else { 1416bcb2b582SJens Freimann qemu_get_be64(f); 1417bcb2b582SJens Freimann dev->indicators2 = NULL; 1418bcb2b582SJens Freimann } 1419bcb2b582SJens Freimann len = qemu_get_be32(f); 1420bcb2b582SJens Freimann if (len != 0) { 1421bcb2b582SJens Freimann dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1422bcb2b582SJens Freimann } else { 1423bcb2b582SJens Freimann qemu_get_be64(f); 1424bcb2b582SJens Freimann dev->summary_indicator = NULL; 1425bcb2b582SJens Freimann } 1426bcb2b582SJens Freimann dev->routes.adapter.ind_offset = qemu_get_be64(f); 1427bcb2b582SJens Freimann dev->thinint_isc = qemu_get_byte(f); 1428bcb2b582SJens Freimann if (s->thinint_active) { 1429bcb2b582SJens Freimann return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 1430bcb2b582SJens Freimann dev->thinint_isc, true, false, 1431bcb2b582SJens Freimann &dev->routes.adapter.adapter_id); 1432bcb2b582SJens Freimann } 1433bcb2b582SJens Freimann 1434bcb2b582SJens Freimann return 0; 1435bcb2b582SJens Freimann } 1436bcb2b582SJens Freimann 1437a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1438a5cf2bb4SCornelia Huck 1439a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1440a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1441a5cf2bb4SCornelia Huck DEFINE_VIRTIO_NET_FEATURES(VirtioCcwDevice, host_features[0]), 1442b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1443b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1444a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1445a5cf2bb4SCornelia Huck }; 1446a5cf2bb4SCornelia Huck 1447a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1448a5cf2bb4SCornelia Huck { 1449a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1450a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1451a5cf2bb4SCornelia Huck 14525e5ced38SMarkus Armbruster k->realize = virtio_ccw_net_realize; 145389334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1454a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1455a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1456a5cf2bb4SCornelia Huck } 1457a5cf2bb4SCornelia Huck 1458a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 145989334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1460a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 146189334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 146289334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1463a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1464a5cf2bb4SCornelia Huck }; 1465a5cf2bb4SCornelia Huck 1466a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1467a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1468b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1469b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1470a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1471a5cf2bb4SCornelia Huck }; 1472a5cf2bb4SCornelia Huck 1473a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1474a5cf2bb4SCornelia Huck { 1475a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1476a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1477a5cf2bb4SCornelia Huck 14785e5ced38SMarkus Armbruster k->realize = virtio_ccw_blk_realize; 14793400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1480a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1481a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1482a5cf2bb4SCornelia Huck } 1483a5cf2bb4SCornelia Huck 1484a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14853400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1486a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14873400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14883400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1489a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1490a5cf2bb4SCornelia Huck }; 1491a5cf2bb4SCornelia Huck 1492a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1493a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1494b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1495b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1496a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1497a5cf2bb4SCornelia Huck }; 1498a5cf2bb4SCornelia Huck 1499a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1500a5cf2bb4SCornelia Huck { 1501a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1502a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1503a5cf2bb4SCornelia Huck 15045e5ced38SMarkus Armbruster k->realize = virtio_ccw_serial_realize; 15056acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1506a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1507a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1508a5cf2bb4SCornelia Huck } 1509a5cf2bb4SCornelia Huck 1510a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 15116acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1512a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 15136acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 15146acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1515a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1516a5cf2bb4SCornelia Huck }; 1517a5cf2bb4SCornelia Huck 1518a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1519a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1520b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1521b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1522a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1523a5cf2bb4SCornelia Huck }; 1524a5cf2bb4SCornelia Huck 1525a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1526a5cf2bb4SCornelia Huck { 1527a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1528a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1529a5cf2bb4SCornelia Huck 15305e5ced38SMarkus Armbruster k->realize = virtio_ccw_balloon_realize; 153130bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1532a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1533a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1534a5cf2bb4SCornelia Huck } 1535a5cf2bb4SCornelia Huck 1536a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 153730bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1538a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 153930bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 154030bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1541a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1542a5cf2bb4SCornelia Huck }; 1543a5cf2bb4SCornelia Huck 1544a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1545a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 15464bfeb18aSKONRAD Frederic DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]), 1547b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1548b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1549a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1550a5cf2bb4SCornelia Huck }; 1551a5cf2bb4SCornelia Huck 1552a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1553a5cf2bb4SCornelia Huck { 1554a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1555a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1556a5cf2bb4SCornelia Huck 15575e5ced38SMarkus Armbruster k->realize = virtio_ccw_scsi_realize; 1558c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1559a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1560a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1561a5cf2bb4SCornelia Huck } 1562a5cf2bb4SCornelia Huck 1563a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1564c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1565a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1566c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1567c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1568a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1569a5cf2bb4SCornelia Huck }; 1570a5cf2bb4SCornelia Huck 1571ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1572ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1573ccf6916cSPaolo Bonzini DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1574ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1575ccf6916cSPaolo Bonzini }; 1576ccf6916cSPaolo Bonzini 1577ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1578ccf6916cSPaolo Bonzini { 1579ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1580ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1581ccf6916cSPaolo Bonzini 15825e5ced38SMarkus Armbruster k->realize = vhost_ccw_scsi_realize; 1583ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1584ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1585ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1586ccf6916cSPaolo Bonzini } 1587ccf6916cSPaolo Bonzini 1588ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1589ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1590ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15914b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1592ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1593ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1594ccf6916cSPaolo Bonzini }; 1595ccf6916cSPaolo Bonzini #endif 1596ccf6916cSPaolo Bonzini 15972db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15982362ecc5SCornelia Huck { 15992db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1600c8075cafSGonglei 1601c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1602c8075cafSGonglei TYPE_VIRTIO_RNG); 1603cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1604cbd5ac69SPaolo Bonzini "rng", &error_abort); 16052362ecc5SCornelia Huck } 16062362ecc5SCornelia Huck 16072362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 16082362ecc5SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1609b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1610b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 16112362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 16122362ecc5SCornelia Huck }; 16132362ecc5SCornelia Huck 16142362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 16152362ecc5SCornelia Huck { 16162362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 16172362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 16182362ecc5SCornelia Huck 16195e5ced38SMarkus Armbruster k->realize = virtio_ccw_rng_realize; 16202db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 16212362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 16222362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 16232362ecc5SCornelia Huck } 16242362ecc5SCornelia Huck 16252362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 16262db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 16272362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 16282db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 16292db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 16302362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 16312362ecc5SCornelia Huck }; 16322362ecc5SCornelia Huck 16335e5ced38SMarkus Armbruster static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1634a5cf2bb4SCornelia Huck { 1635a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1636a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1637a5cf2bb4SCornelia Huck 16381bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 16395e5ced38SMarkus Armbruster _info->realize(_dev, errp); 1640a5cf2bb4SCornelia Huck } 1641a5cf2bb4SCornelia Huck 1642a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1643a5cf2bb4SCornelia Huck { 1644a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1645a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1646a5cf2bb4SCornelia Huck 1647a5cf2bb4SCornelia Huck return _info->exit(_dev); 1648a5cf2bb4SCornelia Huck } 1649a5cf2bb4SCornelia Huck 1650277bc95eSIgor Mammedov static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1651277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1652a5cf2bb4SCornelia Huck { 1653a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1654a5cf2bb4SCornelia Huck SubchDev *sch = _dev->sch; 1655a5cf2bb4SCornelia Huck 16560b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 16570b81c1efSPaolo Bonzini 1658a5cf2bb4SCornelia Huck /* 1659a5cf2bb4SCornelia Huck * We should arrive here only for device_del, since we don't support 1660a5cf2bb4SCornelia Huck * direct hot(un)plug of channels, but only through virtio. 1661a5cf2bb4SCornelia Huck */ 1662a5cf2bb4SCornelia Huck assert(sch != NULL); 1663a5cf2bb4SCornelia Huck /* Subchannel is now disabled and no longer valid. */ 1664a5cf2bb4SCornelia Huck sch->curr_status.pmcw.flags &= ~(PMCW_FLAGS_MASK_ENA | 1665a5cf2bb4SCornelia Huck PMCW_FLAGS_MASK_DNV); 1666a5cf2bb4SCornelia Huck 1667a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0); 1668a5cf2bb4SCornelia Huck 166902a5c4c9SStefan Hajnoczi object_unparent(OBJECT(dev)); 1670a5cf2bb4SCornelia Huck } 1671a5cf2bb4SCornelia Huck 167285d1277eSMing Lei static Property virtio_ccw_properties[] = { 167385d1277eSMing Lei DEFINE_VIRTIO_COMMON_FEATURES(VirtioCcwDevice, host_features[0]), 167485d1277eSMing Lei DEFINE_PROP_END_OF_LIST(), 167585d1277eSMing Lei }; 167685d1277eSMing Lei 1677a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1678a5cf2bb4SCornelia Huck { 1679a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1680a5cf2bb4SCornelia Huck 168185d1277eSMing Lei dc->props = virtio_ccw_properties; 16825e5ced38SMarkus Armbruster dc->realize = virtio_ccw_busdev_realize; 1683a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1684a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1685a5cf2bb4SCornelia Huck } 1686a5cf2bb4SCornelia Huck 1687a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1688a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1689a5cf2bb4SCornelia Huck .parent = TYPE_DEVICE, 1690a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1691a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1692a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1693a5cf2bb4SCornelia Huck .abstract = true, 1694a5cf2bb4SCornelia Huck }; 1695a5cf2bb4SCornelia Huck 1696a5cf2bb4SCornelia Huck /***************** Virtual-css Bus Bridge Device ********************/ 1697a5cf2bb4SCornelia Huck /* Only required to have the virtio bus as child in the system bus */ 1698a5cf2bb4SCornelia Huck 1699a5cf2bb4SCornelia Huck static int virtual_css_bridge_init(SysBusDevice *dev) 1700a5cf2bb4SCornelia Huck { 1701a5cf2bb4SCornelia Huck /* nothing */ 1702a5cf2bb4SCornelia Huck return 0; 1703a5cf2bb4SCornelia Huck } 1704a5cf2bb4SCornelia Huck 1705a5cf2bb4SCornelia Huck static void virtual_css_bridge_class_init(ObjectClass *klass, void *data) 1706a5cf2bb4SCornelia Huck { 1707a5cf2bb4SCornelia Huck SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1708277bc95eSIgor Mammedov HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); 1709a5cf2bb4SCornelia Huck 1710a5cf2bb4SCornelia Huck k->init = virtual_css_bridge_init; 1711277bc95eSIgor Mammedov hc->unplug = virtio_ccw_busdev_unplug; 1712a5cf2bb4SCornelia Huck } 1713a5cf2bb4SCornelia Huck 1714a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bridge_info = { 1715a5cf2bb4SCornelia Huck .name = "virtual-css-bridge", 1716a5cf2bb4SCornelia Huck .parent = TYPE_SYS_BUS_DEVICE, 1717a5cf2bb4SCornelia Huck .instance_size = sizeof(SysBusDevice), 1718a5cf2bb4SCornelia Huck .class_init = virtual_css_bridge_class_init, 1719277bc95eSIgor Mammedov .interfaces = (InterfaceInfo[]) { 1720277bc95eSIgor Mammedov { TYPE_HOTPLUG_HANDLER }, 1721277bc95eSIgor Mammedov { } 1722277bc95eSIgor Mammedov } 1723a5cf2bb4SCornelia Huck }; 1724a5cf2bb4SCornelia Huck 1725a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1726a5cf2bb4SCornelia Huck 17271bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 17281bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1729a5cf2bb4SCornelia Huck { 1730a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1731f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1732a5cf2bb4SCornelia Huck 1733fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1734fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1735a5cf2bb4SCornelia Huck } 1736a5cf2bb4SCornelia Huck 1737a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1738a5cf2bb4SCornelia Huck { 1739a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1740a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1741a5cf2bb4SCornelia Huck 1742a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1743a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1744a5cf2bb4SCornelia Huck k->get_features = virtio_ccw_get_features; 1745b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1746320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1747320ce850SCornelia Huck k->set_host_notifier = virtio_ccw_set_host_notifier; 1748320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1749bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1750bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1751bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1752bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1753a5cf2bb4SCornelia Huck } 1754a5cf2bb4SCornelia Huck 1755a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1756a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1757a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1758a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1759a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1760a5cf2bb4SCornelia Huck }; 1761a5cf2bb4SCornelia Huck 1762a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1763a5cf2bb4SCornelia Huck { 1764a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1765a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bus_info); 1766a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1767a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1768a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1769a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1770a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1771a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1772b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1773ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1774b702d2aeSEd Maste #endif 17752362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1776a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bridge_info); 1777a5cf2bb4SCornelia Huck } 1778a5cf2bb4SCornelia Huck 1779a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1780