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 269a5cf2bb4SCornelia 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 { 3382c17449bSEdgar E. Iglesias info.queue = ldq_phys(&address_space_memory, ccw.cda); 339fdfba1a2SEdgar E. Iglesias info.align = ldl_phys(&address_space_memory, 340fdfba1a2SEdgar E. Iglesias ccw.cda + sizeof(info.queue)); 34141701aa4SEdgar E. Iglesias info.index = lduw_phys(&address_space_memory, 34241701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 343a5cf2bb4SCornelia Huck + sizeof(info.align)); 34441701aa4SEdgar E. Iglesias info.num = lduw_phys(&address_space_memory, 34541701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 346a5cf2bb4SCornelia Huck + sizeof(info.align) 347a5cf2bb4SCornelia Huck + sizeof(info.index)); 348a5cf2bb4SCornelia Huck ret = virtio_ccw_set_vqs(sch, info.queue, info.align, info.index, 349a5cf2bb4SCornelia Huck info.num); 350a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = 0; 351a5cf2bb4SCornelia Huck } 352a5cf2bb4SCornelia Huck break; 353a5cf2bb4SCornelia Huck case CCW_CMD_VDEV_RESET: 354b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 355f24a6840SPaolo Bonzini virtio_reset(vdev); 356a5cf2bb4SCornelia Huck ret = 0; 357a5cf2bb4SCornelia Huck break; 358a5cf2bb4SCornelia Huck case CCW_CMD_READ_FEAT: 359a5cf2bb4SCornelia Huck if (check_len) { 360a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 361a5cf2bb4SCornelia Huck ret = -EINVAL; 362a5cf2bb4SCornelia Huck break; 363a5cf2bb4SCornelia Huck } 364a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 365a5cf2bb4SCornelia Huck /* Can't execute command. */ 366a5cf2bb4SCornelia Huck ret = -EINVAL; 367a5cf2bb4SCornelia Huck break; 368a5cf2bb4SCornelia Huck } 369a5cf2bb4SCornelia Huck if (!ccw.cda) { 370a5cf2bb4SCornelia Huck ret = -EFAULT; 371a5cf2bb4SCornelia Huck } else { 3722c17449bSEdgar E. Iglesias features.index = ldub_phys(&address_space_memory, 3732c17449bSEdgar E. Iglesias ccw.cda + sizeof(features.features)); 374a5cf2bb4SCornelia Huck if (features.index < ARRAY_SIZE(dev->host_features)) { 375a5cf2bb4SCornelia Huck features.features = dev->host_features[features.index]; 376a5cf2bb4SCornelia Huck } else { 377a5cf2bb4SCornelia Huck /* Return zeroes if the guest supports more feature bits. */ 378a5cf2bb4SCornelia Huck features.features = 0; 379a5cf2bb4SCornelia Huck } 380ab1da857SEdgar E. Iglesias stl_le_phys(&address_space_memory, ccw.cda, features.features); 381a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 382a5cf2bb4SCornelia Huck ret = 0; 383a5cf2bb4SCornelia Huck } 384a5cf2bb4SCornelia Huck break; 385a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_FEAT: 386a5cf2bb4SCornelia Huck if (check_len) { 387a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 388a5cf2bb4SCornelia Huck ret = -EINVAL; 389a5cf2bb4SCornelia Huck break; 390a5cf2bb4SCornelia Huck } 391a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 392a5cf2bb4SCornelia Huck /* Can't execute command. */ 393a5cf2bb4SCornelia Huck ret = -EINVAL; 394a5cf2bb4SCornelia Huck break; 395a5cf2bb4SCornelia Huck } 396a5cf2bb4SCornelia Huck if (!ccw.cda) { 397a5cf2bb4SCornelia Huck ret = -EFAULT; 398a5cf2bb4SCornelia Huck } else { 3992c17449bSEdgar E. Iglesias features.index = ldub_phys(&address_space_memory, 4002c17449bSEdgar E. Iglesias ccw.cda + sizeof(features.features)); 401fdfba1a2SEdgar E. Iglesias features.features = ldl_le_phys(&address_space_memory, ccw.cda); 402a5cf2bb4SCornelia Huck if (features.index < ARRAY_SIZE(dev->host_features)) { 403a590fd5bSCornelia Huck virtio_set_features(vdev, features.features); 404a5cf2bb4SCornelia Huck } else { 405a5cf2bb4SCornelia Huck /* 406a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 407a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 408a5cf2bb4SCornelia Huck */ 409a5cf2bb4SCornelia Huck if (features.features) { 410a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 411a5cf2bb4SCornelia Huck features.index, features.features); 412a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 413a5cf2bb4SCornelia Huck } 414a5cf2bb4SCornelia Huck } 415a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 416a5cf2bb4SCornelia Huck ret = 0; 417a5cf2bb4SCornelia Huck } 418a5cf2bb4SCornelia Huck break; 419a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 420a5cf2bb4SCornelia Huck if (check_len) { 421f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 422a5cf2bb4SCornelia Huck ret = -EINVAL; 423a5cf2bb4SCornelia Huck break; 424a5cf2bb4SCornelia Huck } 425a5cf2bb4SCornelia Huck } 426f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 427a5cf2bb4SCornelia Huck if (!ccw.cda) { 428a5cf2bb4SCornelia Huck ret = -EFAULT; 429a5cf2bb4SCornelia Huck } else { 430f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 431a5cf2bb4SCornelia Huck /* XXX config space endianness */ 432f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 433a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 434a5cf2bb4SCornelia Huck ret = 0; 435a5cf2bb4SCornelia Huck } 436a5cf2bb4SCornelia Huck break; 437a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_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 hw_len = len; 446a5cf2bb4SCornelia Huck if (!ccw.cda) { 447a5cf2bb4SCornelia Huck ret = -EFAULT; 448a5cf2bb4SCornelia Huck } else { 449a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 450a5cf2bb4SCornelia Huck if (!config) { 451a5cf2bb4SCornelia Huck ret = -EFAULT; 452a5cf2bb4SCornelia Huck } else { 453a5cf2bb4SCornelia Huck len = hw_len; 454a5cf2bb4SCornelia Huck /* XXX config space endianness */ 455f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 456a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 457f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 458a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 459a5cf2bb4SCornelia Huck ret = 0; 460a5cf2bb4SCornelia Huck } 461a5cf2bb4SCornelia Huck } 462a5cf2bb4SCornelia Huck break; 463a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 464a5cf2bb4SCornelia Huck if (check_len) { 465a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 466a5cf2bb4SCornelia Huck ret = -EINVAL; 467a5cf2bb4SCornelia Huck break; 468a5cf2bb4SCornelia Huck } 469a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 470a5cf2bb4SCornelia Huck /* Can't execute command. */ 471a5cf2bb4SCornelia Huck ret = -EINVAL; 472a5cf2bb4SCornelia Huck break; 473a5cf2bb4SCornelia Huck } 474a5cf2bb4SCornelia Huck if (!ccw.cda) { 475a5cf2bb4SCornelia Huck ret = -EFAULT; 476a5cf2bb4SCornelia Huck } else { 4772c17449bSEdgar E. Iglesias status = ldub_phys(&address_space_memory, ccw.cda); 478b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 479b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 480b4436a0bSCornelia Huck } 481f24a6840SPaolo Bonzini virtio_set_status(vdev, status); 482f24a6840SPaolo Bonzini if (vdev->status == 0) { 483f24a6840SPaolo Bonzini virtio_reset(vdev); 484a5cf2bb4SCornelia Huck } 485b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 486b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 487b4436a0bSCornelia Huck } 488a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 489a5cf2bb4SCornelia Huck ret = 0; 490a5cf2bb4SCornelia Huck } 491a5cf2bb4SCornelia Huck break; 492a5cf2bb4SCornelia Huck case CCW_CMD_SET_IND: 493a5cf2bb4SCornelia Huck if (check_len) { 494a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 495a5cf2bb4SCornelia Huck ret = -EINVAL; 496a5cf2bb4SCornelia Huck break; 497a5cf2bb4SCornelia Huck } 498a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 499a5cf2bb4SCornelia Huck /* Can't execute command. */ 500a5cf2bb4SCornelia Huck ret = -EINVAL; 501a5cf2bb4SCornelia Huck break; 502a5cf2bb4SCornelia Huck } 5037e749462SCornelia Huck if (sch->thinint_active) { 5047e749462SCornelia Huck /* Trigger a command reject. */ 5057e749462SCornelia Huck ret = -ENOSYS; 5067e749462SCornelia Huck break; 5077e749462SCornelia Huck } 508d1db1fa8SCornelia Huck if (!ccw.cda) { 509a5cf2bb4SCornelia Huck ret = -EFAULT; 510a5cf2bb4SCornelia Huck } else { 511*7d45285fSCornelia Huck indicators = ldq_be_phys(&address_space_memory, ccw.cda); 5127bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 513a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 514a5cf2bb4SCornelia Huck ret = 0; 515a5cf2bb4SCornelia Huck } 516a5cf2bb4SCornelia Huck break; 517a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 518a5cf2bb4SCornelia Huck if (check_len) { 519a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 520a5cf2bb4SCornelia Huck ret = -EINVAL; 521a5cf2bb4SCornelia Huck break; 522a5cf2bb4SCornelia Huck } 523a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 524a5cf2bb4SCornelia Huck /* Can't execute command. */ 525a5cf2bb4SCornelia Huck ret = -EINVAL; 526a5cf2bb4SCornelia Huck break; 527a5cf2bb4SCornelia Huck } 528d1db1fa8SCornelia Huck if (!ccw.cda) { 529a5cf2bb4SCornelia Huck ret = -EFAULT; 530a5cf2bb4SCornelia Huck } else { 531*7d45285fSCornelia Huck indicators = ldq_be_phys(&address_space_memory, ccw.cda); 5327bca3892SCornelia Huck dev->indicators2 = 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_READ_VQ_CONF: 538a5cf2bb4SCornelia Huck if (check_len) { 539a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 540a5cf2bb4SCornelia Huck ret = -EINVAL; 541a5cf2bb4SCornelia Huck break; 542a5cf2bb4SCornelia Huck } 543a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 544a5cf2bb4SCornelia Huck /* Can't execute command. */ 545a5cf2bb4SCornelia Huck ret = -EINVAL; 546a5cf2bb4SCornelia Huck break; 547a5cf2bb4SCornelia Huck } 548a5cf2bb4SCornelia Huck if (!ccw.cda) { 549a5cf2bb4SCornelia Huck ret = -EFAULT; 550a5cf2bb4SCornelia Huck } else { 551*7d45285fSCornelia Huck vq_config.index = lduw_be_phys(&address_space_memory, ccw.cda); 552f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 553a5cf2bb4SCornelia Huck vq_config.index); 554*7d45285fSCornelia Huck stw_be_phys(&address_space_memory, 5555ce5944dSEdgar E. Iglesias ccw.cda + sizeof(vq_config.index), vq_config.num_max); 556a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 557a5cf2bb4SCornelia Huck ret = 0; 558a5cf2bb4SCornelia Huck } 559a5cf2bb4SCornelia Huck break; 5607e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 5617e749462SCornelia Huck if (check_len) { 5627e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 5637e749462SCornelia Huck ret = -EINVAL; 5647e749462SCornelia Huck break; 5657e749462SCornelia Huck } 5667e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 5677e749462SCornelia Huck /* Can't execute command. */ 5687e749462SCornelia Huck ret = -EINVAL; 5697e749462SCornelia Huck break; 5707e749462SCornelia Huck } 5717e749462SCornelia Huck len = sizeof(*thinint); 5727e749462SCornelia Huck hw_len = len; 5737e749462SCornelia Huck if (!ccw.cda) { 5747e749462SCornelia Huck ret = -EFAULT; 5757e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 5767e749462SCornelia Huck /* Trigger a command reject. */ 5777e749462SCornelia Huck ret = -ENOSYS; 5787e749462SCornelia Huck } else { 5797e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 5807e749462SCornelia Huck if (!thinint) { 5817e749462SCornelia Huck ret = -EFAULT; 5827e749462SCornelia Huck } else { 583*7d45285fSCornelia Huck uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 584*7d45285fSCornelia Huck 5857e749462SCornelia Huck len = hw_len; 5867bca3892SCornelia Huck dev->summary_indicator = 587*7d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->summary_indicator), 588*7d45285fSCornelia Huck sizeof(uint8_t)); 589*7d45285fSCornelia Huck dev->indicators = 590*7d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->device_indicator), 591*7d45285fSCornelia Huck ind_bit / 8 + 1); 5927e749462SCornelia Huck dev->thinint_isc = thinint->isc; 593*7d45285fSCornelia Huck dev->routes.adapter.ind_offset = ind_bit; 594d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 5957e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 59603cf077aSCornelia Huck ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 59703cf077aSCornelia Huck dev->thinint_isc, true, false, 598d426d9fbSCornelia Huck &dev->routes.adapter.adapter_id); 59903cf077aSCornelia Huck assert(ret == 0); 6007bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 6017bca3892SCornelia Huck (dev->summary_indicator != NULL)); 6027e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 6037e749462SCornelia Huck ret = 0; 6047e749462SCornelia Huck } 6057e749462SCornelia Huck } 6067e749462SCornelia Huck break; 607a5cf2bb4SCornelia Huck default: 6088d034a6fSCornelia Huck ret = -ENOSYS; 609a5cf2bb4SCornelia Huck break; 610a5cf2bb4SCornelia Huck } 611a5cf2bb4SCornelia Huck return ret; 612a5cf2bb4SCornelia Huck } 613a5cf2bb4SCornelia Huck 6145e5ced38SMarkus Armbruster static void virtio_ccw_device_realize(VirtioCcwDevice *dev, 6155e5ced38SMarkus Armbruster VirtIODevice *vdev, Error **errp) 616a5cf2bb4SCornelia Huck { 617a5cf2bb4SCornelia Huck unsigned int cssid = 0; 618a5cf2bb4SCornelia Huck unsigned int ssid = 0; 619a5cf2bb4SCornelia Huck unsigned int schid; 620a5cf2bb4SCornelia Huck unsigned int devno; 621a5cf2bb4SCornelia Huck bool have_devno = false; 622a5cf2bb4SCornelia Huck bool found = false; 623a5cf2bb4SCornelia Huck SubchDev *sch; 624a5cf2bb4SCornelia Huck int num; 625a5cf2bb4SCornelia Huck DeviceState *parent = DEVICE(dev); 626a5cf2bb4SCornelia Huck 627a5cf2bb4SCornelia Huck sch = g_malloc0(sizeof(SubchDev)); 628a5cf2bb4SCornelia Huck 629a5cf2bb4SCornelia Huck sch->driver_data = dev; 630a5cf2bb4SCornelia Huck dev->sch = sch; 631a5cf2bb4SCornelia Huck 6327bca3892SCornelia Huck dev->indicators = NULL; 633a5cf2bb4SCornelia Huck 634a5cf2bb4SCornelia Huck /* Initialize subchannel structure. */ 635a5cf2bb4SCornelia Huck sch->channel_prog = 0x0; 636a5cf2bb4SCornelia Huck sch->last_cmd_valid = false; 6377e749462SCornelia Huck sch->thinint_active = false; 638a5cf2bb4SCornelia Huck /* 639a5cf2bb4SCornelia Huck * Use a device number if provided. Otherwise, fall back to subchannel 640a5cf2bb4SCornelia Huck * number. 641a5cf2bb4SCornelia Huck */ 642a5cf2bb4SCornelia Huck if (dev->bus_id) { 643a5cf2bb4SCornelia Huck num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno); 644a5cf2bb4SCornelia Huck if (num == 3) { 645a5cf2bb4SCornelia Huck if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) { 6465e5ced38SMarkus Armbruster error_setg(errp, "Invalid cssid or ssid: cssid %x, ssid %x", 647a5cf2bb4SCornelia Huck cssid, ssid); 648a5cf2bb4SCornelia Huck goto out_err; 649a5cf2bb4SCornelia Huck } 650a5cf2bb4SCornelia Huck /* Enforce use of virtual cssid. */ 651a5cf2bb4SCornelia Huck if (cssid != VIRTUAL_CSSID) { 6525e5ced38SMarkus Armbruster error_setg(errp, "cssid %x not valid for virtio devices", 6535e5ced38SMarkus Armbruster cssid); 654a5cf2bb4SCornelia Huck goto out_err; 655a5cf2bb4SCornelia Huck } 656a5cf2bb4SCornelia Huck if (css_devno_used(cssid, ssid, devno)) { 6575e5ced38SMarkus Armbruster error_setg(errp, "Device %x.%x.%04x already exists", 6585e5ced38SMarkus Armbruster cssid, ssid, devno); 659a5cf2bb4SCornelia Huck goto out_err; 660a5cf2bb4SCornelia Huck } 661a5cf2bb4SCornelia Huck sch->cssid = cssid; 662a5cf2bb4SCornelia Huck sch->ssid = ssid; 663a5cf2bb4SCornelia Huck sch->devno = devno; 664a5cf2bb4SCornelia Huck have_devno = true; 665a5cf2bb4SCornelia Huck } else { 6665e5ced38SMarkus Armbruster error_setg(errp, "Malformed devno parameter '%s'", dev->bus_id); 667a5cf2bb4SCornelia Huck goto out_err; 668a5cf2bb4SCornelia Huck } 669a5cf2bb4SCornelia Huck } 670a5cf2bb4SCornelia Huck 671a5cf2bb4SCornelia Huck /* Find the next free id. */ 672a5cf2bb4SCornelia Huck if (have_devno) { 673a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 674a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 675a5cf2bb4SCornelia Huck sch->schid = schid; 676a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 677a5cf2bb4SCornelia Huck found = true; 678a5cf2bb4SCornelia Huck break; 679a5cf2bb4SCornelia Huck } 680a5cf2bb4SCornelia Huck } 681a5cf2bb4SCornelia Huck if (!found) { 6825e5ced38SMarkus Armbruster error_setg(errp, "No free subchannel found for %x.%x.%04x", 6835e5ced38SMarkus Armbruster cssid, ssid, devno); 684a5cf2bb4SCornelia Huck goto out_err; 685a5cf2bb4SCornelia Huck } 686a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 687a5cf2bb4SCornelia Huck "user-configured"); 688a5cf2bb4SCornelia Huck } else { 689a5cf2bb4SCornelia Huck cssid = VIRTUAL_CSSID; 690a5cf2bb4SCornelia Huck for (ssid = 0; ssid <= MAX_SSID; ssid++) { 691a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 692a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 693a5cf2bb4SCornelia Huck sch->cssid = cssid; 694a5cf2bb4SCornelia Huck sch->ssid = ssid; 695a5cf2bb4SCornelia Huck sch->schid = schid; 696a5cf2bb4SCornelia Huck devno = schid; 697a5cf2bb4SCornelia Huck /* 698a5cf2bb4SCornelia Huck * If the devno is already taken, look further in this 699a5cf2bb4SCornelia Huck * subchannel set. 700a5cf2bb4SCornelia Huck */ 701a5cf2bb4SCornelia Huck while (css_devno_used(cssid, ssid, devno)) { 702a5cf2bb4SCornelia Huck if (devno == MAX_SCHID) { 703a5cf2bb4SCornelia Huck devno = 0; 704a5cf2bb4SCornelia Huck } else if (devno == schid - 1) { 7055e5ced38SMarkus Armbruster error_setg(errp, "No free devno found"); 706a5cf2bb4SCornelia Huck goto out_err; 707a5cf2bb4SCornelia Huck } else { 708a5cf2bb4SCornelia Huck devno++; 709a5cf2bb4SCornelia Huck } 710a5cf2bb4SCornelia Huck } 711a5cf2bb4SCornelia Huck sch->devno = devno; 712a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 713a5cf2bb4SCornelia Huck found = true; 714a5cf2bb4SCornelia Huck break; 715a5cf2bb4SCornelia Huck } 716a5cf2bb4SCornelia Huck } 717a5cf2bb4SCornelia Huck if (found) { 718a5cf2bb4SCornelia Huck break; 719a5cf2bb4SCornelia Huck } 720a5cf2bb4SCornelia Huck } 721a5cf2bb4SCornelia Huck if (!found) { 7225e5ced38SMarkus Armbruster error_setg(errp, "Virtual channel subsystem is full!"); 723a5cf2bb4SCornelia Huck goto out_err; 724a5cf2bb4SCornelia Huck } 725a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 726a5cf2bb4SCornelia Huck "auto-configured"); 727a5cf2bb4SCornelia Huck } 728a5cf2bb4SCornelia Huck 729a5cf2bb4SCornelia Huck /* Build initial schib. */ 730a5cf2bb4SCornelia Huck css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 731a5cf2bb4SCornelia Huck 732a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 733a5cf2bb4SCornelia Huck 734a5cf2bb4SCornelia Huck /* Build senseid data. */ 735a5cf2bb4SCornelia Huck memset(&sch->id, 0, sizeof(SenseId)); 736a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 737a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 738f24a6840SPaolo Bonzini sch->id.cu_model = vdev->device_id; 739a5cf2bb4SCornelia Huck 740a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 741181103cdSKONRAD Frederic dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus, 742181103cdSKONRAD Frederic dev->host_features[0]); 743181103cdSKONRAD Frederic 7440cd09c3aSCornelia Huck virtio_add_feature(&dev->host_features[0], VIRTIO_F_NOTIFY_ON_EMPTY); 7450cd09c3aSCornelia Huck virtio_add_feature(&dev->host_features[0], VIRTIO_F_BAD_FEATURE); 746a5cf2bb4SCornelia Huck 747a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 748a5cf2bb4SCornelia Huck parent->hotplugged, 1); 7495e5ced38SMarkus Armbruster return; 750a5cf2bb4SCornelia Huck 751a5cf2bb4SCornelia Huck out_err: 752a5cf2bb4SCornelia Huck dev->sch = NULL; 753a5cf2bb4SCornelia Huck g_free(sch); 754a5cf2bb4SCornelia Huck } 755a5cf2bb4SCornelia Huck 756a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 757a5cf2bb4SCornelia Huck { 758a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 759a5cf2bb4SCornelia Huck 760a5cf2bb4SCornelia Huck if (sch) { 761a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 762a5cf2bb4SCornelia Huck g_free(sch); 763a5cf2bb4SCornelia Huck } 7647bca3892SCornelia Huck if (dev->indicators) { 765d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 7667bca3892SCornelia Huck dev->indicators = NULL; 7677bca3892SCornelia Huck } 768a5cf2bb4SCornelia Huck return 0; 769a5cf2bb4SCornelia Huck } 770a5cf2bb4SCornelia Huck 7715e5ced38SMarkus Armbruster static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 772a5cf2bb4SCornelia Huck { 773800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 77489334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 77589334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 7765e5ced38SMarkus Armbruster Error *err = NULL; 777a5cf2bb4SCornelia Huck 77889334c8bSKONRAD Frederic virtio_net_set_config_size(&dev->vdev, ccw_dev->host_features[0]); 779800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 780800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 78189334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 7825e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 7835e5ced38SMarkus Armbruster if (err) { 7845e5ced38SMarkus Armbruster error_propagate(errp, err); 7855e5ced38SMarkus Armbruster return; 786a5cf2bb4SCornelia Huck } 787a5cf2bb4SCornelia Huck 7885e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 789a5cf2bb4SCornelia Huck } 790a5cf2bb4SCornelia Huck 79189334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 792a5cf2bb4SCornelia Huck { 79389334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 794c8075cafSGonglei 795c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 796c8075cafSGonglei TYPE_VIRTIO_NET); 7970cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 7980cf63c3eSGonglei "bootindex", &error_abort); 799a5cf2bb4SCornelia Huck } 800a5cf2bb4SCornelia Huck 8015e5ced38SMarkus Armbruster static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 802a5cf2bb4SCornelia Huck { 8033400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 8043400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8055e5ced38SMarkus Armbruster Error *err = NULL; 8065e5ced38SMarkus Armbruster 8073400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8085e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8095e5ced38SMarkus Armbruster if (err) { 8105e5ced38SMarkus Armbruster error_propagate(errp, err); 8115e5ced38SMarkus Armbruster return; 812a5cf2bb4SCornelia Huck } 813a5cf2bb4SCornelia Huck 8145e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 815a5cf2bb4SCornelia Huck } 816a5cf2bb4SCornelia Huck 8173400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 818a5cf2bb4SCornelia Huck { 8193400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 820c8075cafSGonglei 821c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 822c8075cafSGonglei TYPE_VIRTIO_BLK); 823467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 824467b3f33SStefan Hajnoczi &error_abort); 825aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 826aeb98ddcSGonglei "bootindex", &error_abort); 827a5cf2bb4SCornelia Huck } 828a5cf2bb4SCornelia Huck 8295e5ced38SMarkus Armbruster static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 830a5cf2bb4SCornelia Huck { 8316acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 8326acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 83380270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 8345e5ced38SMarkus Armbruster Error *err = NULL; 83580270a19SKONRAD Frederic char *bus_name; 83680270a19SKONRAD Frederic 83780270a19SKONRAD Frederic /* 83880270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 83980270a19SKONRAD Frederic * name as before. 84080270a19SKONRAD Frederic */ 84180270a19SKONRAD Frederic if (proxy->id) { 84280270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 84380270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 84480270a19SKONRAD Frederic g_free(bus_name); 84580270a19SKONRAD Frederic } 846a5cf2bb4SCornelia Huck 8476acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8485e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8495e5ced38SMarkus Armbruster if (err) { 8505e5ced38SMarkus Armbruster error_propagate(errp, err); 8515e5ced38SMarkus Armbruster return; 852a5cf2bb4SCornelia Huck } 853a5cf2bb4SCornelia Huck 8545e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 855a5cf2bb4SCornelia Huck } 856a5cf2bb4SCornelia Huck 8576acf69cdSKONRAD Frederic 8586acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 859a5cf2bb4SCornelia Huck { 8606acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 861c8075cafSGonglei 862c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 863c8075cafSGonglei TYPE_VIRTIO_SERIAL); 864a5cf2bb4SCornelia Huck } 865a5cf2bb4SCornelia Huck 8665e5ced38SMarkus Armbruster static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 867a5cf2bb4SCornelia Huck { 86830bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 86930bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8705e5ced38SMarkus Armbruster Error *err = NULL; 871a5cf2bb4SCornelia Huck 87230bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8735e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8745e5ced38SMarkus Armbruster if (err) { 8755e5ced38SMarkus Armbruster error_propagate(errp, err); 8765e5ced38SMarkus Armbruster return; 877a5cf2bb4SCornelia Huck } 878a5cf2bb4SCornelia Huck 8795e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 880a5cf2bb4SCornelia Huck } 881a5cf2bb4SCornelia Huck 88224a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_all(Object *obj, struct Visitor *v, 88324a6e7f4SKONRAD Frederic void *opaque, const char *name, 88424a6e7f4SKONRAD Frederic Error **errp) 88524a6e7f4SKONRAD Frederic { 88624a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 88724a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats", errp); 88824a6e7f4SKONRAD Frederic } 88924a6e7f4SKONRAD Frederic 89024a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_poll_interval(Object *obj, struct Visitor *v, 89124a6e7f4SKONRAD Frederic void *opaque, const char *name, 89224a6e7f4SKONRAD Frederic Error **errp) 89324a6e7f4SKONRAD Frederic { 89424a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 89524a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 89624a6e7f4SKONRAD Frederic errp); 89724a6e7f4SKONRAD Frederic } 89824a6e7f4SKONRAD Frederic 89924a6e7f4SKONRAD Frederic static void balloon_ccw_stats_set_poll_interval(Object *obj, struct Visitor *v, 90024a6e7f4SKONRAD Frederic void *opaque, const char *name, 90124a6e7f4SKONRAD Frederic Error **errp) 90224a6e7f4SKONRAD Frederic { 90324a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 90424a6e7f4SKONRAD Frederic object_property_set(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 90524a6e7f4SKONRAD Frederic errp); 90624a6e7f4SKONRAD Frederic } 90724a6e7f4SKONRAD Frederic 90830bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 909a5cf2bb4SCornelia Huck { 91030bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 911a6027b0fSDenis V. Lunev virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 912a6027b0fSDenis V. Lunev TYPE_VIRTIO_BALLOON); 91324a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats", "guest statistics", 91424a6e7f4SKONRAD Frederic balloon_ccw_stats_get_all, NULL, NULL, dev, NULL); 91524a6e7f4SKONRAD Frederic 91624a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats-polling-interval", "int", 91724a6e7f4SKONRAD Frederic balloon_ccw_stats_get_poll_interval, 91824a6e7f4SKONRAD Frederic balloon_ccw_stats_set_poll_interval, 91924a6e7f4SKONRAD Frederic NULL, dev, NULL); 920a5cf2bb4SCornelia Huck } 921a5cf2bb4SCornelia Huck 9225e5ced38SMarkus Armbruster static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 923a5cf2bb4SCornelia Huck { 924c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 925c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9266f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 9275e5ced38SMarkus Armbruster Error *err = NULL; 9286f32a6b4SKONRAD Frederic char *bus_name; 9296f32a6b4SKONRAD Frederic 9306f32a6b4SKONRAD Frederic /* 9316f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 9326f32a6b4SKONRAD Frederic * name as before. 9336f32a6b4SKONRAD Frederic */ 9346f32a6b4SKONRAD Frederic if (qdev->id) { 9356f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 9366f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 9376f32a6b4SKONRAD Frederic g_free(bus_name); 9386f32a6b4SKONRAD Frederic } 939a5cf2bb4SCornelia Huck 940c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9415e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9425e5ced38SMarkus Armbruster if (err) { 9435e5ced38SMarkus Armbruster error_propagate(errp, err); 9445e5ced38SMarkus Armbruster return; 945a5cf2bb4SCornelia Huck } 946a5cf2bb4SCornelia Huck 9475e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 948a5cf2bb4SCornelia Huck } 949a5cf2bb4SCornelia Huck 950c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 951a5cf2bb4SCornelia Huck { 952c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 953c8075cafSGonglei 954c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 955c8075cafSGonglei TYPE_VIRTIO_SCSI); 95619d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 95719d339f1SFam Zheng &error_abort); 958a5cf2bb4SCornelia Huck } 959a5cf2bb4SCornelia Huck 960ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 9615e5ced38SMarkus Armbruster static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 962ccf6916cSPaolo Bonzini { 963ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 964ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 9655e5ced38SMarkus Armbruster Error *err = NULL; 966ccf6916cSPaolo Bonzini 967ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9685e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9695e5ced38SMarkus Armbruster if (err) { 9705e5ced38SMarkus Armbruster error_propagate(errp, err); 9715e5ced38SMarkus Armbruster return; 972ccf6916cSPaolo Bonzini } 973ccf6916cSPaolo Bonzini 9745e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 975ccf6916cSPaolo Bonzini } 976ccf6916cSPaolo Bonzini 977ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 978ccf6916cSPaolo Bonzini { 979ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 980c8075cafSGonglei 981c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 982c8075cafSGonglei TYPE_VHOST_SCSI); 983ccf6916cSPaolo Bonzini } 984ccf6916cSPaolo Bonzini #endif 985ccf6916cSPaolo Bonzini 9865e5ced38SMarkus Armbruster static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 9872362ecc5SCornelia Huck { 9882db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 9892db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9905e5ced38SMarkus Armbruster Error *err = NULL; 9912362ecc5SCornelia Huck 9922db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9935e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9945e5ced38SMarkus Armbruster if (err) { 9955e5ced38SMarkus Armbruster error_propagate(errp, err); 9965e5ced38SMarkus Armbruster return; 9972362ecc5SCornelia Huck } 9982362ecc5SCornelia Huck 9992db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 10005b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 10012db26d4cSKONRAD Frederic NULL); 10022db26d4cSKONRAD Frederic 10035e5ced38SMarkus Armbruster virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); 10042362ecc5SCornelia Huck } 10052362ecc5SCornelia Huck 1006a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 1007a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 1008a5cf2bb4SCornelia Huck */ 1009a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 1010a5cf2bb4SCornelia Huck { 1011a5cf2bb4SCornelia Huck return container_of(d, VirtioCcwDevice, parent_obj); 1012a5cf2bb4SCornelia Huck } 1013a5cf2bb4SCornelia Huck 10147e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 10157e749462SCornelia Huck uint8_t to_be_set) 10167e749462SCornelia Huck { 10177e749462SCornelia Huck uint8_t ind_old, ind_new; 10187e749462SCornelia Huck hwaddr len = 1; 10197e749462SCornelia Huck uint8_t *ind_addr; 10207e749462SCornelia Huck 10217e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 10227e749462SCornelia Huck if (!ind_addr) { 10237e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 10247e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 10257e749462SCornelia Huck return -1; 10267e749462SCornelia Huck } 10277e749462SCornelia Huck do { 10287e749462SCornelia Huck ind_old = *ind_addr; 10297e749462SCornelia Huck ind_new = ind_old | to_be_set; 10307e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 10317e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 10327e749462SCornelia Huck 10337e749462SCornelia Huck return ind_old; 10347e749462SCornelia Huck } 10357e749462SCornelia Huck 1036a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 1037a5cf2bb4SCornelia Huck { 1038a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 1039a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 1040a5cf2bb4SCornelia Huck uint64_t indicators; 1041a5cf2bb4SCornelia Huck 1042a5cf2bb4SCornelia Huck if (vector >= 128) { 1043a5cf2bb4SCornelia Huck return; 1044a5cf2bb4SCornelia Huck } 1045a5cf2bb4SCornelia Huck 1046a5cf2bb4SCornelia Huck if (vector < VIRTIO_PCI_QUEUE_MAX) { 10477c486976SCornelia Huck if (!dev->indicators) { 10487c486976SCornelia Huck return; 10497c486976SCornelia Huck } 10507e749462SCornelia Huck if (sch->thinint_active) { 10517e749462SCornelia Huck /* 10527e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 10537e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 10547e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 10557e749462SCornelia Huck * endian notation. 10567e749462SCornelia Huck */ 1057d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 1058d426d9fbSCornelia Huck 10597bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 1060d426d9fbSCornelia Huck (ind_bit + vector) / 8, 1061d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 10627bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 10637e749462SCornelia Huck 0x01)) { 10647e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 10657e749462SCornelia Huck } 10667e749462SCornelia Huck } else { 10677bca3892SCornelia Huck indicators = ldq_phys(&address_space_memory, dev->indicators->addr); 106819380b1bSCornelia Huck indicators |= 1ULL << vector; 10697bca3892SCornelia Huck stq_phys(&address_space_memory, dev->indicators->addr, indicators); 10707e749462SCornelia Huck css_conditional_io_interrupt(sch); 10717e749462SCornelia Huck } 1072a5cf2bb4SCornelia Huck } else { 10737c486976SCornelia Huck if (!dev->indicators2) { 10747c486976SCornelia Huck return; 10757c486976SCornelia Huck } 1076a5cf2bb4SCornelia Huck vector = 0; 10777bca3892SCornelia Huck indicators = ldq_phys(&address_space_memory, dev->indicators2->addr); 107819380b1bSCornelia Huck indicators |= 1ULL << vector; 10797bca3892SCornelia Huck stq_phys(&address_space_memory, dev->indicators2->addr, indicators); 1080a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 10817e749462SCornelia Huck } 1082a5cf2bb4SCornelia Huck } 1083a5cf2bb4SCornelia Huck 1084a5cf2bb4SCornelia Huck static unsigned virtio_ccw_get_features(DeviceState *d) 1085a5cf2bb4SCornelia Huck { 1086a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1087a5cf2bb4SCornelia Huck 1088a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 1089a5cf2bb4SCornelia Huck return dev->host_features[0]; 1090a5cf2bb4SCornelia Huck } 1091a5cf2bb4SCornelia Huck 1092a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1093a5cf2bb4SCornelia Huck { 1094a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1095f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1096a5cf2bb4SCornelia Huck 1097b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1098f24a6840SPaolo Bonzini virtio_reset(vdev); 1099a5cf2bb4SCornelia Huck css_reset_sch(dev->sch); 11007bca3892SCornelia Huck if (dev->indicators) { 1101d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 11027bca3892SCornelia Huck dev->indicators = NULL; 11037bca3892SCornelia Huck } 11047bca3892SCornelia Huck if (dev->indicators2) { 1105d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 11067bca3892SCornelia Huck dev->indicators2 = NULL; 11077bca3892SCornelia Huck } 11087bca3892SCornelia Huck if (dev->summary_indicator) { 1109d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 11107bca3892SCornelia Huck dev->summary_indicator = NULL; 11117bca3892SCornelia Huck } 1112a5cf2bb4SCornelia Huck } 1113a5cf2bb4SCornelia Huck 1114b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1115b4436a0bSCornelia Huck { 1116b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1117b4436a0bSCornelia Huck 1118b4436a0bSCornelia Huck if (running) { 1119b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1120b4436a0bSCornelia Huck } else { 1121b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1122b4436a0bSCornelia Huck } 1123b4436a0bSCornelia Huck } 1124b4436a0bSCornelia Huck 1125320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1126320ce850SCornelia Huck { 1127320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1128320ce850SCornelia Huck 1129320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1130320ce850SCornelia Huck } 1131320ce850SCornelia Huck 1132320ce850SCornelia Huck static int virtio_ccw_set_host_notifier(DeviceState *d, int n, bool assign) 1133320ce850SCornelia Huck { 1134320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1135320ce850SCornelia Huck 1136320ce850SCornelia Huck /* Stop using the generic ioeventfd, we are doing eventfd handling 1137320ce850SCornelia Huck * ourselves below */ 1138320ce850SCornelia Huck dev->ioeventfd_disabled = assign; 1139320ce850SCornelia Huck if (assign) { 1140320ce850SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1141320ce850SCornelia Huck } 1142320ce850SCornelia Huck return virtio_ccw_set_guest2host_notifier(dev, n, assign, false); 1143320ce850SCornelia Huck } 1144320ce850SCornelia Huck 1145d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1146d426d9fbSCornelia Huck { 1147d426d9fbSCornelia Huck int r; 1148d426d9fbSCornelia Huck 1149d426d9fbSCornelia Huck if (!dev->sch->thinint_active) { 1150d426d9fbSCornelia Huck return -EINVAL; 1151d426d9fbSCornelia Huck } 1152d426d9fbSCornelia Huck 1153d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1154d426d9fbSCornelia Huck if (r) { 1155d426d9fbSCornelia Huck return r; 1156d426d9fbSCornelia Huck } 1157d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1158d426d9fbSCornelia Huck if (r) { 1159d426d9fbSCornelia Huck return r; 1160d426d9fbSCornelia Huck } 1161d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1162d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1163d426d9fbSCornelia Huck 1164d426d9fbSCornelia Huck return 0; 1165d426d9fbSCornelia Huck } 1166d426d9fbSCornelia Huck 1167d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1168d426d9fbSCornelia Huck { 1169d426d9fbSCornelia Huck int i; 1170d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1171d426d9fbSCornelia Huck int ret; 1172d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1173d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1174d426d9fbSCornelia Huck 1175d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1176d426d9fbSCornelia Huck if (ret) { 1177d426d9fbSCornelia Huck return ret; 1178d426d9fbSCornelia Huck } 1179d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1180d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1181d426d9fbSCornelia Huck break; 1182d426d9fbSCornelia Huck } 1183d426d9fbSCornelia Huck } 1184d426d9fbSCornelia Huck dev->routes.num_routes = i; 1185d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1186d426d9fbSCornelia Huck } 1187d426d9fbSCornelia Huck 1188d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1189d426d9fbSCornelia Huck { 1190d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1191d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1192d426d9fbSCornelia Huck 1193d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1194d426d9fbSCornelia Huck } 1195d426d9fbSCornelia Huck 1196d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1197d426d9fbSCornelia Huck { 1198d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1199d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1200d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1201d426d9fbSCornelia Huck 1202d426d9fbSCornelia Huck return kvm_irqchip_add_irqfd_notifier(kvm_state, notifier, NULL, 1203d426d9fbSCornelia Huck dev->routes.gsi[n]); 1204d426d9fbSCornelia Huck } 1205d426d9fbSCornelia Huck 1206d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1207d426d9fbSCornelia Huck { 1208d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1209d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1210d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1211d426d9fbSCornelia Huck int ret; 1212d426d9fbSCornelia Huck 1213d426d9fbSCornelia Huck ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, notifier, 1214d426d9fbSCornelia Huck dev->routes.gsi[n]); 1215d426d9fbSCornelia Huck assert(ret == 0); 1216d426d9fbSCornelia Huck } 1217d426d9fbSCornelia Huck 1218320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1219320ce850SCornelia Huck bool assign, bool with_irqfd) 1220320ce850SCornelia Huck { 1221f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1222f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1223320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1224f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1225320ce850SCornelia Huck 1226320ce850SCornelia Huck if (assign) { 1227320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1228320ce850SCornelia Huck 1229320ce850SCornelia Huck if (r < 0) { 1230320ce850SCornelia Huck return r; 1231320ce850SCornelia Huck } 1232320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1233d426d9fbSCornelia Huck if (with_irqfd) { 1234d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1235d426d9fbSCornelia Huck if (r) { 1236d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1237d426d9fbSCornelia Huck with_irqfd); 1238d426d9fbSCornelia Huck return r; 1239d426d9fbSCornelia Huck } 1240d426d9fbSCornelia Huck } 1241d426d9fbSCornelia Huck /* 1242d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1243d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1244320ce850SCornelia Huck */ 1245320ce850SCornelia Huck if (k->guest_notifier_mask) { 1246f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1247320ce850SCornelia Huck } 1248320ce850SCornelia Huck /* get lost events and re-inject */ 1249320ce850SCornelia Huck if (k->guest_notifier_pending && 1250f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1251320ce850SCornelia Huck event_notifier_set(notifier); 1252320ce850SCornelia Huck } 1253320ce850SCornelia Huck } else { 1254320ce850SCornelia Huck if (k->guest_notifier_mask) { 1255f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1256320ce850SCornelia Huck } 1257d426d9fbSCornelia Huck if (with_irqfd) { 1258d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1259d426d9fbSCornelia Huck } 1260320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1261320ce850SCornelia Huck event_notifier_cleanup(notifier); 1262320ce850SCornelia Huck } 1263320ce850SCornelia Huck return 0; 1264320ce850SCornelia Huck } 1265320ce850SCornelia Huck 1266320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1267320ce850SCornelia Huck bool assigned) 1268320ce850SCornelia Huck { 1269320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1270f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1271d426d9fbSCornelia Huck bool with_irqfd = dev->sch->thinint_active && kvm_irqfds_enabled(); 1272320ce850SCornelia Huck int r, n; 1273320ce850SCornelia Huck 1274d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1275d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1276d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1277d426d9fbSCornelia Huck if (r < 0) { 1278d426d9fbSCornelia Huck goto irqroute_error; 1279d426d9fbSCornelia Huck } 1280d426d9fbSCornelia Huck } 1281320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1282320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1283320ce850SCornelia Huck break; 1284320ce850SCornelia Huck } 1285d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1286320ce850SCornelia Huck if (r < 0) { 1287320ce850SCornelia Huck goto assign_error; 1288320ce850SCornelia Huck } 1289320ce850SCornelia Huck } 1290d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1291d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1292d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1293d426d9fbSCornelia Huck } 1294320ce850SCornelia Huck return 0; 1295320ce850SCornelia Huck 1296320ce850SCornelia Huck assign_error: 1297320ce850SCornelia Huck while (--n >= 0) { 1298320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1299320ce850SCornelia Huck } 1300d426d9fbSCornelia Huck irqroute_error: 1301d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1302d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1303d426d9fbSCornelia Huck } 1304320ce850SCornelia Huck return r; 1305320ce850SCornelia Huck } 1306320ce850SCornelia Huck 1307bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1308bcb2b582SJens Freimann { 1309bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1310bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1311bcb2b582SJens Freimann 1312bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1313bcb2b582SJens Freimann } 1314bcb2b582SJens Freimann 1315bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1316bcb2b582SJens Freimann { 1317bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1318bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1319bcb2b582SJens Freimann uint16_t vector; 1320bcb2b582SJens Freimann 1321bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1322bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1323bcb2b582SJens Freimann 1324bcb2b582SJens Freimann return 0; 1325bcb2b582SJens Freimann } 1326bcb2b582SJens Freimann 1327bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1328bcb2b582SJens Freimann { 1329bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1330bcb2b582SJens Freimann SubchDev *s = dev->sch; 1331bcb2b582SJens Freimann 1332bcb2b582SJens Freimann subch_device_save(s, f); 1333bcb2b582SJens Freimann if (dev->indicators != NULL) { 1334bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators->len); 1335bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators->addr); 1336bcb2b582SJens Freimann } else { 1337bcb2b582SJens Freimann qemu_put_be32(f, 0); 1338bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1339bcb2b582SJens Freimann } 1340bcb2b582SJens Freimann if (dev->indicators2 != NULL) { 1341bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators2->len); 1342bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators2->addr); 1343bcb2b582SJens Freimann } else { 1344bcb2b582SJens Freimann qemu_put_be32(f, 0); 1345bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1346bcb2b582SJens Freimann } 1347bcb2b582SJens Freimann if (dev->summary_indicator != NULL) { 1348bcb2b582SJens Freimann qemu_put_be32(f, dev->summary_indicator->len); 1349bcb2b582SJens Freimann qemu_put_be64(f, dev->summary_indicator->addr); 1350bcb2b582SJens Freimann } else { 1351bcb2b582SJens Freimann qemu_put_be32(f, 0); 1352bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1353bcb2b582SJens Freimann } 1354bcb2b582SJens Freimann qemu_put_be64(f, dev->routes.adapter.ind_offset); 1355bcb2b582SJens Freimann qemu_put_byte(f, dev->thinint_isc); 1356bcb2b582SJens Freimann } 1357bcb2b582SJens Freimann 1358bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1359bcb2b582SJens Freimann { 1360bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1361bcb2b582SJens Freimann SubchDev *s = dev->sch; 1362bcb2b582SJens Freimann int len; 1363bcb2b582SJens Freimann 1364bcb2b582SJens Freimann s->driver_data = dev; 1365bcb2b582SJens Freimann subch_device_load(s, f); 1366bcb2b582SJens Freimann len = qemu_get_be32(f); 1367bcb2b582SJens Freimann if (len != 0) { 1368bcb2b582SJens Freimann dev->indicators = get_indicator(qemu_get_be64(f), len); 1369bcb2b582SJens Freimann } else { 1370bcb2b582SJens Freimann qemu_get_be64(f); 1371bcb2b582SJens Freimann dev->indicators = NULL; 1372bcb2b582SJens Freimann } 1373bcb2b582SJens Freimann len = qemu_get_be32(f); 1374bcb2b582SJens Freimann if (len != 0) { 1375bcb2b582SJens Freimann dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1376bcb2b582SJens Freimann } else { 1377bcb2b582SJens Freimann qemu_get_be64(f); 1378bcb2b582SJens Freimann dev->indicators2 = NULL; 1379bcb2b582SJens Freimann } 1380bcb2b582SJens Freimann len = qemu_get_be32(f); 1381bcb2b582SJens Freimann if (len != 0) { 1382bcb2b582SJens Freimann dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1383bcb2b582SJens Freimann } else { 1384bcb2b582SJens Freimann qemu_get_be64(f); 1385bcb2b582SJens Freimann dev->summary_indicator = NULL; 1386bcb2b582SJens Freimann } 1387bcb2b582SJens Freimann dev->routes.adapter.ind_offset = qemu_get_be64(f); 1388bcb2b582SJens Freimann dev->thinint_isc = qemu_get_byte(f); 1389bcb2b582SJens Freimann if (s->thinint_active) { 1390bcb2b582SJens Freimann return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 1391bcb2b582SJens Freimann dev->thinint_isc, true, false, 1392bcb2b582SJens Freimann &dev->routes.adapter.adapter_id); 1393bcb2b582SJens Freimann } 1394bcb2b582SJens Freimann 1395bcb2b582SJens Freimann return 0; 1396bcb2b582SJens Freimann } 1397bcb2b582SJens Freimann 1398a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1399a5cf2bb4SCornelia Huck 1400a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1401a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1402a5cf2bb4SCornelia Huck DEFINE_VIRTIO_NET_FEATURES(VirtioCcwDevice, host_features[0]), 1403b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1404b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1405a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1406a5cf2bb4SCornelia Huck }; 1407a5cf2bb4SCornelia Huck 1408a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1409a5cf2bb4SCornelia Huck { 1410a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1411a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1412a5cf2bb4SCornelia Huck 14135e5ced38SMarkus Armbruster k->realize = virtio_ccw_net_realize; 141489334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1415a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1416a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1417a5cf2bb4SCornelia Huck } 1418a5cf2bb4SCornelia Huck 1419a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 142089334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1421a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 142289334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 142389334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1424a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1425a5cf2bb4SCornelia Huck }; 1426a5cf2bb4SCornelia Huck 1427a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1428a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1429b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1430b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1431a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1432a5cf2bb4SCornelia Huck }; 1433a5cf2bb4SCornelia Huck 1434a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1435a5cf2bb4SCornelia Huck { 1436a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1437a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1438a5cf2bb4SCornelia Huck 14395e5ced38SMarkus Armbruster k->realize = virtio_ccw_blk_realize; 14403400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1441a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1442a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1443a5cf2bb4SCornelia Huck } 1444a5cf2bb4SCornelia Huck 1445a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14463400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1447a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14483400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14493400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1450a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1451a5cf2bb4SCornelia Huck }; 1452a5cf2bb4SCornelia Huck 1453a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1454a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1455b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1456b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1457a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1458a5cf2bb4SCornelia Huck }; 1459a5cf2bb4SCornelia Huck 1460a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1461a5cf2bb4SCornelia Huck { 1462a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1463a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1464a5cf2bb4SCornelia Huck 14655e5ced38SMarkus Armbruster k->realize = virtio_ccw_serial_realize; 14666acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1467a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1468a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1469a5cf2bb4SCornelia Huck } 1470a5cf2bb4SCornelia Huck 1471a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 14726acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1473a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14746acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 14756acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1476a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1477a5cf2bb4SCornelia Huck }; 1478a5cf2bb4SCornelia Huck 1479a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1480a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1481b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1482b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1483a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1484a5cf2bb4SCornelia Huck }; 1485a5cf2bb4SCornelia Huck 1486a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1487a5cf2bb4SCornelia Huck { 1488a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1489a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1490a5cf2bb4SCornelia Huck 14915e5ced38SMarkus Armbruster k->realize = virtio_ccw_balloon_realize; 149230bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1493a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1494a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1495a5cf2bb4SCornelia Huck } 1496a5cf2bb4SCornelia Huck 1497a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 149830bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1499a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 150030bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 150130bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1502a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1503a5cf2bb4SCornelia Huck }; 1504a5cf2bb4SCornelia Huck 1505a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1506a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 15074bfeb18aSKONRAD Frederic DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]), 1508b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1509b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1510a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1511a5cf2bb4SCornelia Huck }; 1512a5cf2bb4SCornelia Huck 1513a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1514a5cf2bb4SCornelia Huck { 1515a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1516a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1517a5cf2bb4SCornelia Huck 15185e5ced38SMarkus Armbruster k->realize = virtio_ccw_scsi_realize; 1519c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1520a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1521a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1522a5cf2bb4SCornelia Huck } 1523a5cf2bb4SCornelia Huck 1524a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1525c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1526a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1527c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1528c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1529a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1530a5cf2bb4SCornelia Huck }; 1531a5cf2bb4SCornelia Huck 1532ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1533ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1534ccf6916cSPaolo Bonzini DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1535ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1536ccf6916cSPaolo Bonzini }; 1537ccf6916cSPaolo Bonzini 1538ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1539ccf6916cSPaolo Bonzini { 1540ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1541ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1542ccf6916cSPaolo Bonzini 15435e5ced38SMarkus Armbruster k->realize = vhost_ccw_scsi_realize; 1544ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1545ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1546ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1547ccf6916cSPaolo Bonzini } 1548ccf6916cSPaolo Bonzini 1549ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1550ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1551ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15524b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1553ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1554ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1555ccf6916cSPaolo Bonzini }; 1556ccf6916cSPaolo Bonzini #endif 1557ccf6916cSPaolo Bonzini 15582db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15592362ecc5SCornelia Huck { 15602db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1561c8075cafSGonglei 1562c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1563c8075cafSGonglei TYPE_VIRTIO_RNG); 1564cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1565cbd5ac69SPaolo Bonzini "rng", &error_abort); 15662362ecc5SCornelia Huck } 15672362ecc5SCornelia Huck 15682362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 15692362ecc5SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1570b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1571b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 15722362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 15732362ecc5SCornelia Huck }; 15742362ecc5SCornelia Huck 15752362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 15762362ecc5SCornelia Huck { 15772362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 15782362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 15792362ecc5SCornelia Huck 15805e5ced38SMarkus Armbruster k->realize = virtio_ccw_rng_realize; 15812db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 15822362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 15832362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 15842362ecc5SCornelia Huck } 15852362ecc5SCornelia Huck 15862362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 15872db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 15882362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 15892db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 15902db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 15912362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 15922362ecc5SCornelia Huck }; 15932362ecc5SCornelia Huck 15945e5ced38SMarkus Armbruster static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1595a5cf2bb4SCornelia Huck { 1596a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1597a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1598a5cf2bb4SCornelia Huck 15991bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 16005e5ced38SMarkus Armbruster _info->realize(_dev, errp); 1601a5cf2bb4SCornelia Huck } 1602a5cf2bb4SCornelia Huck 1603a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1604a5cf2bb4SCornelia Huck { 1605a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1606a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1607a5cf2bb4SCornelia Huck 1608a5cf2bb4SCornelia Huck return _info->exit(_dev); 1609a5cf2bb4SCornelia Huck } 1610a5cf2bb4SCornelia Huck 1611277bc95eSIgor Mammedov static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1612277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1613a5cf2bb4SCornelia Huck { 1614a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1615a5cf2bb4SCornelia Huck SubchDev *sch = _dev->sch; 1616a5cf2bb4SCornelia Huck 16170b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 16180b81c1efSPaolo Bonzini 1619a5cf2bb4SCornelia Huck /* 1620a5cf2bb4SCornelia Huck * We should arrive here only for device_del, since we don't support 1621a5cf2bb4SCornelia Huck * direct hot(un)plug of channels, but only through virtio. 1622a5cf2bb4SCornelia Huck */ 1623a5cf2bb4SCornelia Huck assert(sch != NULL); 1624a5cf2bb4SCornelia Huck /* Subchannel is now disabled and no longer valid. */ 1625a5cf2bb4SCornelia Huck sch->curr_status.pmcw.flags &= ~(PMCW_FLAGS_MASK_ENA | 1626a5cf2bb4SCornelia Huck PMCW_FLAGS_MASK_DNV); 1627a5cf2bb4SCornelia Huck 1628a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0); 1629a5cf2bb4SCornelia Huck 163002a5c4c9SStefan Hajnoczi object_unparent(OBJECT(dev)); 1631a5cf2bb4SCornelia Huck } 1632a5cf2bb4SCornelia Huck 163385d1277eSMing Lei static Property virtio_ccw_properties[] = { 163485d1277eSMing Lei DEFINE_VIRTIO_COMMON_FEATURES(VirtioCcwDevice, host_features[0]), 163585d1277eSMing Lei DEFINE_PROP_END_OF_LIST(), 163685d1277eSMing Lei }; 163785d1277eSMing Lei 1638a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1639a5cf2bb4SCornelia Huck { 1640a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1641a5cf2bb4SCornelia Huck 164285d1277eSMing Lei dc->props = virtio_ccw_properties; 16435e5ced38SMarkus Armbruster dc->realize = virtio_ccw_busdev_realize; 1644a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1645a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1646a5cf2bb4SCornelia Huck } 1647a5cf2bb4SCornelia Huck 1648a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1649a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1650a5cf2bb4SCornelia Huck .parent = TYPE_DEVICE, 1651a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1652a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1653a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1654a5cf2bb4SCornelia Huck .abstract = true, 1655a5cf2bb4SCornelia Huck }; 1656a5cf2bb4SCornelia Huck 1657a5cf2bb4SCornelia Huck /***************** Virtual-css Bus Bridge Device ********************/ 1658a5cf2bb4SCornelia Huck /* Only required to have the virtio bus as child in the system bus */ 1659a5cf2bb4SCornelia Huck 1660a5cf2bb4SCornelia Huck static int virtual_css_bridge_init(SysBusDevice *dev) 1661a5cf2bb4SCornelia Huck { 1662a5cf2bb4SCornelia Huck /* nothing */ 1663a5cf2bb4SCornelia Huck return 0; 1664a5cf2bb4SCornelia Huck } 1665a5cf2bb4SCornelia Huck 1666a5cf2bb4SCornelia Huck static void virtual_css_bridge_class_init(ObjectClass *klass, void *data) 1667a5cf2bb4SCornelia Huck { 1668a5cf2bb4SCornelia Huck SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1669277bc95eSIgor Mammedov HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); 1670a5cf2bb4SCornelia Huck 1671a5cf2bb4SCornelia Huck k->init = virtual_css_bridge_init; 1672277bc95eSIgor Mammedov hc->unplug = virtio_ccw_busdev_unplug; 1673a5cf2bb4SCornelia Huck } 1674a5cf2bb4SCornelia Huck 1675a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bridge_info = { 1676a5cf2bb4SCornelia Huck .name = "virtual-css-bridge", 1677a5cf2bb4SCornelia Huck .parent = TYPE_SYS_BUS_DEVICE, 1678a5cf2bb4SCornelia Huck .instance_size = sizeof(SysBusDevice), 1679a5cf2bb4SCornelia Huck .class_init = virtual_css_bridge_class_init, 1680277bc95eSIgor Mammedov .interfaces = (InterfaceInfo[]) { 1681277bc95eSIgor Mammedov { TYPE_HOTPLUG_HANDLER }, 1682277bc95eSIgor Mammedov { } 1683277bc95eSIgor Mammedov } 1684a5cf2bb4SCornelia Huck }; 1685a5cf2bb4SCornelia Huck 1686a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1687a5cf2bb4SCornelia Huck 16881bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 16891bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1690a5cf2bb4SCornelia Huck { 1691a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1692f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1693a5cf2bb4SCornelia Huck 1694fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1695fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1696a5cf2bb4SCornelia Huck } 1697a5cf2bb4SCornelia Huck 1698a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1699a5cf2bb4SCornelia Huck { 1700a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1701a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1702a5cf2bb4SCornelia Huck 1703a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1704a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1705a5cf2bb4SCornelia Huck k->get_features = virtio_ccw_get_features; 1706b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1707320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1708320ce850SCornelia Huck k->set_host_notifier = virtio_ccw_set_host_notifier; 1709320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1710bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1711bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1712bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1713bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1714a5cf2bb4SCornelia Huck } 1715a5cf2bb4SCornelia Huck 1716a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1717a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1718a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1719a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1720a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1721a5cf2bb4SCornelia Huck }; 1722a5cf2bb4SCornelia Huck 1723a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1724a5cf2bb4SCornelia Huck { 1725a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1726a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bus_info); 1727a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1728a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1729a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1730a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1731a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1732a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1733b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1734ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1735b702d2aeSEd Maste #endif 17362362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1737a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bridge_info); 1738a5cf2bb4SCornelia Huck } 1739a5cf2bb4SCornelia Huck 1740a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1741