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)) { 403181103cdSKONRAD Frederic virtio_bus_set_vdev_features(&dev->bus, features.features); 404f24a6840SPaolo Bonzini vdev->guest_features = features.features; 405a5cf2bb4SCornelia Huck } else { 406a5cf2bb4SCornelia Huck /* 407a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 408a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 409a5cf2bb4SCornelia Huck */ 410a5cf2bb4SCornelia Huck if (features.features) { 411a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 412a5cf2bb4SCornelia Huck features.index, features.features); 413a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 414a5cf2bb4SCornelia Huck } 415a5cf2bb4SCornelia Huck } 416a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 417a5cf2bb4SCornelia Huck ret = 0; 418a5cf2bb4SCornelia Huck } 419a5cf2bb4SCornelia Huck break; 420a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 421a5cf2bb4SCornelia Huck if (check_len) { 422f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 423a5cf2bb4SCornelia Huck ret = -EINVAL; 424a5cf2bb4SCornelia Huck break; 425a5cf2bb4SCornelia Huck } 426a5cf2bb4SCornelia Huck } 427f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 428a5cf2bb4SCornelia Huck if (!ccw.cda) { 429a5cf2bb4SCornelia Huck ret = -EFAULT; 430a5cf2bb4SCornelia Huck } else { 431f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 432a5cf2bb4SCornelia Huck /* XXX config space endianness */ 433f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 434a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 435a5cf2bb4SCornelia Huck ret = 0; 436a5cf2bb4SCornelia Huck } 437a5cf2bb4SCornelia Huck break; 438a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_CONF: 439a5cf2bb4SCornelia Huck if (check_len) { 440f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 441a5cf2bb4SCornelia Huck ret = -EINVAL; 442a5cf2bb4SCornelia Huck break; 443a5cf2bb4SCornelia Huck } 444a5cf2bb4SCornelia Huck } 445f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 446a5cf2bb4SCornelia Huck hw_len = len; 447a5cf2bb4SCornelia Huck if (!ccw.cda) { 448a5cf2bb4SCornelia Huck ret = -EFAULT; 449a5cf2bb4SCornelia Huck } else { 450a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 451a5cf2bb4SCornelia Huck if (!config) { 452a5cf2bb4SCornelia Huck ret = -EFAULT; 453a5cf2bb4SCornelia Huck } else { 454a5cf2bb4SCornelia Huck len = hw_len; 455a5cf2bb4SCornelia Huck /* XXX config space endianness */ 456f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 457a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 458f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 459a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 460a5cf2bb4SCornelia Huck ret = 0; 461a5cf2bb4SCornelia Huck } 462a5cf2bb4SCornelia Huck } 463a5cf2bb4SCornelia Huck break; 464a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 465a5cf2bb4SCornelia Huck if (check_len) { 466a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 467a5cf2bb4SCornelia Huck ret = -EINVAL; 468a5cf2bb4SCornelia Huck break; 469a5cf2bb4SCornelia Huck } 470a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 471a5cf2bb4SCornelia Huck /* Can't execute command. */ 472a5cf2bb4SCornelia Huck ret = -EINVAL; 473a5cf2bb4SCornelia Huck break; 474a5cf2bb4SCornelia Huck } 475a5cf2bb4SCornelia Huck if (!ccw.cda) { 476a5cf2bb4SCornelia Huck ret = -EFAULT; 477a5cf2bb4SCornelia Huck } else { 4782c17449bSEdgar E. Iglesias status = ldub_phys(&address_space_memory, ccw.cda); 479b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 480b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 481b4436a0bSCornelia Huck } 482f24a6840SPaolo Bonzini virtio_set_status(vdev, status); 483f24a6840SPaolo Bonzini if (vdev->status == 0) { 484f24a6840SPaolo Bonzini virtio_reset(vdev); 485a5cf2bb4SCornelia Huck } 486b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 487b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 488b4436a0bSCornelia Huck } 489a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 490a5cf2bb4SCornelia Huck ret = 0; 491a5cf2bb4SCornelia Huck } 492a5cf2bb4SCornelia Huck break; 493a5cf2bb4SCornelia Huck case CCW_CMD_SET_IND: 494a5cf2bb4SCornelia Huck if (check_len) { 495a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 496a5cf2bb4SCornelia Huck ret = -EINVAL; 497a5cf2bb4SCornelia Huck break; 498a5cf2bb4SCornelia Huck } 499a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 500a5cf2bb4SCornelia Huck /* Can't execute command. */ 501a5cf2bb4SCornelia Huck ret = -EINVAL; 502a5cf2bb4SCornelia Huck break; 503a5cf2bb4SCornelia Huck } 5047e749462SCornelia Huck if (sch->thinint_active) { 5057e749462SCornelia Huck /* Trigger a command reject. */ 5067e749462SCornelia Huck ret = -ENOSYS; 5077e749462SCornelia Huck break; 5087e749462SCornelia Huck } 509d1db1fa8SCornelia Huck if (!ccw.cda) { 510a5cf2bb4SCornelia Huck ret = -EFAULT; 511a5cf2bb4SCornelia Huck } else { 5122c17449bSEdgar E. Iglesias indicators = ldq_phys(&address_space_memory, ccw.cda); 5137bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 514a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 515a5cf2bb4SCornelia Huck ret = 0; 516a5cf2bb4SCornelia Huck } 517a5cf2bb4SCornelia Huck break; 518a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 519a5cf2bb4SCornelia Huck if (check_len) { 520a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 521a5cf2bb4SCornelia Huck ret = -EINVAL; 522a5cf2bb4SCornelia Huck break; 523a5cf2bb4SCornelia Huck } 524a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 525a5cf2bb4SCornelia Huck /* Can't execute command. */ 526a5cf2bb4SCornelia Huck ret = -EINVAL; 527a5cf2bb4SCornelia Huck break; 528a5cf2bb4SCornelia Huck } 529d1db1fa8SCornelia Huck if (!ccw.cda) { 530a5cf2bb4SCornelia Huck ret = -EFAULT; 531a5cf2bb4SCornelia Huck } else { 5322c17449bSEdgar E. Iglesias indicators = ldq_phys(&address_space_memory, ccw.cda); 5337bca3892SCornelia Huck dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 534a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 535a5cf2bb4SCornelia Huck ret = 0; 536a5cf2bb4SCornelia Huck } 537a5cf2bb4SCornelia Huck break; 538a5cf2bb4SCornelia Huck case CCW_CMD_READ_VQ_CONF: 539a5cf2bb4SCornelia Huck if (check_len) { 540a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 541a5cf2bb4SCornelia Huck ret = -EINVAL; 542a5cf2bb4SCornelia Huck break; 543a5cf2bb4SCornelia Huck } 544a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 545a5cf2bb4SCornelia Huck /* Can't execute command. */ 546a5cf2bb4SCornelia Huck ret = -EINVAL; 547a5cf2bb4SCornelia Huck break; 548a5cf2bb4SCornelia Huck } 549a5cf2bb4SCornelia Huck if (!ccw.cda) { 550a5cf2bb4SCornelia Huck ret = -EFAULT; 551a5cf2bb4SCornelia Huck } else { 55241701aa4SEdgar E. Iglesias vq_config.index = lduw_phys(&address_space_memory, ccw.cda); 553f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 554a5cf2bb4SCornelia Huck vq_config.index); 5555ce5944dSEdgar E. Iglesias stw_phys(&address_space_memory, 5565ce5944dSEdgar E. Iglesias ccw.cda + sizeof(vq_config.index), vq_config.num_max); 557a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 558a5cf2bb4SCornelia Huck ret = 0; 559a5cf2bb4SCornelia Huck } 560a5cf2bb4SCornelia Huck break; 5617e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 5627e749462SCornelia Huck if (check_len) { 5637e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 5647e749462SCornelia Huck ret = -EINVAL; 5657e749462SCornelia Huck break; 5667e749462SCornelia Huck } 5677e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 5687e749462SCornelia Huck /* Can't execute command. */ 5697e749462SCornelia Huck ret = -EINVAL; 5707e749462SCornelia Huck break; 5717e749462SCornelia Huck } 5727e749462SCornelia Huck len = sizeof(*thinint); 5737e749462SCornelia Huck hw_len = len; 5747e749462SCornelia Huck if (!ccw.cda) { 5757e749462SCornelia Huck ret = -EFAULT; 5767e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 5777e749462SCornelia Huck /* Trigger a command reject. */ 5787e749462SCornelia Huck ret = -ENOSYS; 5797e749462SCornelia Huck } else { 5807e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 5817e749462SCornelia Huck if (!thinint) { 5827e749462SCornelia Huck ret = -EFAULT; 5837e749462SCornelia Huck } else { 5847e749462SCornelia Huck len = hw_len; 5857bca3892SCornelia Huck dev->summary_indicator = 5867bca3892SCornelia Huck get_indicator(thinint->summary_indicator, sizeof(uint8_t)); 5877bca3892SCornelia Huck dev->indicators = get_indicator(thinint->device_indicator, 5887bca3892SCornelia Huck thinint->ind_bit / 8 + 1); 5897e749462SCornelia Huck dev->thinint_isc = thinint->isc; 590d426d9fbSCornelia Huck dev->routes.adapter.ind_offset = thinint->ind_bit; 591d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 5927e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 59303cf077aSCornelia Huck ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 59403cf077aSCornelia Huck dev->thinint_isc, true, false, 595d426d9fbSCornelia Huck &dev->routes.adapter.adapter_id); 59603cf077aSCornelia Huck assert(ret == 0); 5977bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 5987bca3892SCornelia Huck (dev->summary_indicator != NULL)); 5997e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 6007e749462SCornelia Huck ret = 0; 6017e749462SCornelia Huck } 6027e749462SCornelia Huck } 6037e749462SCornelia Huck break; 604a5cf2bb4SCornelia Huck default: 6058d034a6fSCornelia Huck ret = -ENOSYS; 606a5cf2bb4SCornelia Huck break; 607a5cf2bb4SCornelia Huck } 608a5cf2bb4SCornelia Huck return ret; 609a5cf2bb4SCornelia Huck } 610a5cf2bb4SCornelia Huck 611a5cf2bb4SCornelia Huck static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) 612a5cf2bb4SCornelia Huck { 613a5cf2bb4SCornelia Huck unsigned int cssid = 0; 614a5cf2bb4SCornelia Huck unsigned int ssid = 0; 615a5cf2bb4SCornelia Huck unsigned int schid; 616a5cf2bb4SCornelia Huck unsigned int devno; 617a5cf2bb4SCornelia Huck bool have_devno = false; 618a5cf2bb4SCornelia Huck bool found = false; 619a5cf2bb4SCornelia Huck SubchDev *sch; 620a5cf2bb4SCornelia Huck int ret; 621a5cf2bb4SCornelia Huck int num; 622a5cf2bb4SCornelia Huck DeviceState *parent = DEVICE(dev); 623a5cf2bb4SCornelia Huck 624a5cf2bb4SCornelia Huck sch = g_malloc0(sizeof(SubchDev)); 625a5cf2bb4SCornelia Huck 626a5cf2bb4SCornelia Huck sch->driver_data = dev; 627a5cf2bb4SCornelia Huck dev->sch = sch; 628a5cf2bb4SCornelia Huck 6297bca3892SCornelia Huck dev->indicators = NULL; 630a5cf2bb4SCornelia Huck 631a5cf2bb4SCornelia Huck /* Initialize subchannel structure. */ 632a5cf2bb4SCornelia Huck sch->channel_prog = 0x0; 633a5cf2bb4SCornelia Huck sch->last_cmd_valid = false; 6347e749462SCornelia Huck sch->thinint_active = false; 635a5cf2bb4SCornelia Huck /* 636a5cf2bb4SCornelia Huck * Use a device number if provided. Otherwise, fall back to subchannel 637a5cf2bb4SCornelia Huck * number. 638a5cf2bb4SCornelia Huck */ 639a5cf2bb4SCornelia Huck if (dev->bus_id) { 640a5cf2bb4SCornelia Huck num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno); 641a5cf2bb4SCornelia Huck if (num == 3) { 642a5cf2bb4SCornelia Huck if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) { 643a5cf2bb4SCornelia Huck ret = -EINVAL; 644a5cf2bb4SCornelia Huck error_report("Invalid cssid or ssid: cssid %x, ssid %x", 645a5cf2bb4SCornelia Huck cssid, ssid); 646a5cf2bb4SCornelia Huck goto out_err; 647a5cf2bb4SCornelia Huck } 648a5cf2bb4SCornelia Huck /* Enforce use of virtual cssid. */ 649a5cf2bb4SCornelia Huck if (cssid != VIRTUAL_CSSID) { 650a5cf2bb4SCornelia Huck ret = -EINVAL; 651a5cf2bb4SCornelia Huck error_report("cssid %x not valid for virtio devices", cssid); 652a5cf2bb4SCornelia Huck goto out_err; 653a5cf2bb4SCornelia Huck } 654a5cf2bb4SCornelia Huck if (css_devno_used(cssid, ssid, devno)) { 655a5cf2bb4SCornelia Huck ret = -EEXIST; 656a5cf2bb4SCornelia Huck error_report("Device %x.%x.%04x already exists", cssid, ssid, 657a5cf2bb4SCornelia Huck devno); 658a5cf2bb4SCornelia Huck goto out_err; 659a5cf2bb4SCornelia Huck } 660a5cf2bb4SCornelia Huck sch->cssid = cssid; 661a5cf2bb4SCornelia Huck sch->ssid = ssid; 662a5cf2bb4SCornelia Huck sch->devno = devno; 663a5cf2bb4SCornelia Huck have_devno = true; 664a5cf2bb4SCornelia Huck } else { 665a5cf2bb4SCornelia Huck ret = -EINVAL; 666a5cf2bb4SCornelia Huck error_report("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) { 682a5cf2bb4SCornelia Huck ret = -ENODEV; 683a5cf2bb4SCornelia Huck error_report("No free subchannel found for %x.%x.%04x", cssid, ssid, 684a5cf2bb4SCornelia Huck devno); 685a5cf2bb4SCornelia Huck goto out_err; 686a5cf2bb4SCornelia Huck } 687a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 688a5cf2bb4SCornelia Huck "user-configured"); 689a5cf2bb4SCornelia Huck } else { 690a5cf2bb4SCornelia Huck cssid = VIRTUAL_CSSID; 691a5cf2bb4SCornelia Huck for (ssid = 0; ssid <= MAX_SSID; ssid++) { 692a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 693a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 694a5cf2bb4SCornelia Huck sch->cssid = cssid; 695a5cf2bb4SCornelia Huck sch->ssid = ssid; 696a5cf2bb4SCornelia Huck sch->schid = schid; 697a5cf2bb4SCornelia Huck devno = schid; 698a5cf2bb4SCornelia Huck /* 699a5cf2bb4SCornelia Huck * If the devno is already taken, look further in this 700a5cf2bb4SCornelia Huck * subchannel set. 701a5cf2bb4SCornelia Huck */ 702a5cf2bb4SCornelia Huck while (css_devno_used(cssid, ssid, devno)) { 703a5cf2bb4SCornelia Huck if (devno == MAX_SCHID) { 704a5cf2bb4SCornelia Huck devno = 0; 705a5cf2bb4SCornelia Huck } else if (devno == schid - 1) { 706a5cf2bb4SCornelia Huck ret = -ENODEV; 707a5cf2bb4SCornelia Huck error_report("No free devno found"); 708a5cf2bb4SCornelia Huck goto out_err; 709a5cf2bb4SCornelia Huck } else { 710a5cf2bb4SCornelia Huck devno++; 711a5cf2bb4SCornelia Huck } 712a5cf2bb4SCornelia Huck } 713a5cf2bb4SCornelia Huck sch->devno = devno; 714a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 715a5cf2bb4SCornelia Huck found = true; 716a5cf2bb4SCornelia Huck break; 717a5cf2bb4SCornelia Huck } 718a5cf2bb4SCornelia Huck } 719a5cf2bb4SCornelia Huck if (found) { 720a5cf2bb4SCornelia Huck break; 721a5cf2bb4SCornelia Huck } 722a5cf2bb4SCornelia Huck } 723a5cf2bb4SCornelia Huck if (!found) { 724a5cf2bb4SCornelia Huck ret = -ENODEV; 725a5cf2bb4SCornelia Huck error_report("Virtual channel subsystem is full!"); 726a5cf2bb4SCornelia Huck goto out_err; 727a5cf2bb4SCornelia Huck } 728a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 729a5cf2bb4SCornelia Huck "auto-configured"); 730a5cf2bb4SCornelia Huck } 731a5cf2bb4SCornelia Huck 732a5cf2bb4SCornelia Huck /* Build initial schib. */ 733a5cf2bb4SCornelia Huck css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 734a5cf2bb4SCornelia Huck 735a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 736a5cf2bb4SCornelia Huck 737a5cf2bb4SCornelia Huck /* Build senseid data. */ 738a5cf2bb4SCornelia Huck memset(&sch->id, 0, sizeof(SenseId)); 739a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 740a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 741f24a6840SPaolo Bonzini sch->id.cu_model = vdev->device_id; 742a5cf2bb4SCornelia Huck 743a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 744181103cdSKONRAD Frederic dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus, 745181103cdSKONRAD Frederic dev->host_features[0]); 746181103cdSKONRAD Frederic 747a5cf2bb4SCornelia Huck dev->host_features[0] |= 0x1 << VIRTIO_F_NOTIFY_ON_EMPTY; 748a5cf2bb4SCornelia Huck dev->host_features[0] |= 0x1 << VIRTIO_F_BAD_FEATURE; 749a5cf2bb4SCornelia Huck 750a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 751a5cf2bb4SCornelia Huck parent->hotplugged, 1); 752a5cf2bb4SCornelia Huck return 0; 753a5cf2bb4SCornelia Huck 754a5cf2bb4SCornelia Huck out_err: 755a5cf2bb4SCornelia Huck dev->sch = NULL; 756a5cf2bb4SCornelia Huck g_free(sch); 757a5cf2bb4SCornelia Huck return ret; 758a5cf2bb4SCornelia Huck } 759a5cf2bb4SCornelia Huck 760a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 761a5cf2bb4SCornelia Huck { 762a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 763a5cf2bb4SCornelia Huck 764a5cf2bb4SCornelia Huck if (sch) { 765a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 766a5cf2bb4SCornelia Huck g_free(sch); 767a5cf2bb4SCornelia Huck } 7687bca3892SCornelia Huck if (dev->indicators) { 769d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 7707bca3892SCornelia Huck dev->indicators = NULL; 7717bca3892SCornelia Huck } 772a5cf2bb4SCornelia Huck return 0; 773a5cf2bb4SCornelia Huck } 774a5cf2bb4SCornelia Huck 77589334c8bSKONRAD Frederic static int virtio_ccw_net_init(VirtioCcwDevice *ccw_dev) 776a5cf2bb4SCornelia Huck { 777800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 77889334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 77989334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 780a5cf2bb4SCornelia Huck 78189334c8bSKONRAD Frederic virtio_net_set_config_size(&dev->vdev, ccw_dev->host_features[0]); 782800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 783800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 78489334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 78589334c8bSKONRAD Frederic if (qdev_init(vdev) < 0) { 786a5cf2bb4SCornelia Huck return -1; 787a5cf2bb4SCornelia Huck } 788a5cf2bb4SCornelia Huck 78989334c8bSKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 790a5cf2bb4SCornelia Huck } 791a5cf2bb4SCornelia Huck 79289334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 793a5cf2bb4SCornelia Huck { 79489334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 795c8075cafSGonglei 796c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 797c8075cafSGonglei TYPE_VIRTIO_NET); 7980cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 7990cf63c3eSGonglei "bootindex", &error_abort); 800a5cf2bb4SCornelia Huck } 801a5cf2bb4SCornelia Huck 8023400c455SKONRAD Frederic static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev) 803a5cf2bb4SCornelia Huck { 8043400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 8053400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8063400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8073400c455SKONRAD Frederic if (qdev_init(vdev) < 0) { 808a5cf2bb4SCornelia Huck return -1; 809a5cf2bb4SCornelia Huck } 810a5cf2bb4SCornelia Huck 8113400c455SKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 812a5cf2bb4SCornelia Huck } 813a5cf2bb4SCornelia Huck 8143400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 815a5cf2bb4SCornelia Huck { 8163400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 817c8075cafSGonglei 818c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 819c8075cafSGonglei TYPE_VIRTIO_BLK); 820467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 821467b3f33SStefan Hajnoczi &error_abort); 822aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 823aeb98ddcSGonglei "bootindex", &error_abort); 824a5cf2bb4SCornelia Huck } 825a5cf2bb4SCornelia Huck 8266acf69cdSKONRAD Frederic static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev) 827a5cf2bb4SCornelia Huck { 8286acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 8296acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 83080270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 83180270a19SKONRAD Frederic char *bus_name; 83280270a19SKONRAD Frederic 83380270a19SKONRAD Frederic /* 83480270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 83580270a19SKONRAD Frederic * name as before. 83680270a19SKONRAD Frederic */ 83780270a19SKONRAD Frederic if (proxy->id) { 83880270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 83980270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 84080270a19SKONRAD Frederic g_free(bus_name); 84180270a19SKONRAD Frederic } 842a5cf2bb4SCornelia Huck 8436acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8446acf69cdSKONRAD Frederic if (qdev_init(vdev) < 0) { 845a5cf2bb4SCornelia Huck return -1; 846a5cf2bb4SCornelia Huck } 847a5cf2bb4SCornelia Huck 8486acf69cdSKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 849a5cf2bb4SCornelia Huck } 850a5cf2bb4SCornelia Huck 8516acf69cdSKONRAD Frederic 8526acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 853a5cf2bb4SCornelia Huck { 8546acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 855c8075cafSGonglei 856c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 857c8075cafSGonglei TYPE_VIRTIO_SERIAL); 858a5cf2bb4SCornelia Huck } 859a5cf2bb4SCornelia Huck 86030bff6a0SKONRAD Frederic static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev) 861a5cf2bb4SCornelia Huck { 86230bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 86330bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 864a5cf2bb4SCornelia Huck 86530bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 86630bff6a0SKONRAD Frederic if (qdev_init(vdev) < 0) { 867a5cf2bb4SCornelia Huck return -1; 868a5cf2bb4SCornelia Huck } 869a5cf2bb4SCornelia Huck 87030bff6a0SKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 871a5cf2bb4SCornelia Huck } 872a5cf2bb4SCornelia Huck 87324a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_all(Object *obj, struct Visitor *v, 87424a6e7f4SKONRAD Frederic void *opaque, const char *name, 87524a6e7f4SKONRAD Frederic Error **errp) 87624a6e7f4SKONRAD Frederic { 87724a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 87824a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats", errp); 87924a6e7f4SKONRAD Frederic } 88024a6e7f4SKONRAD Frederic 88124a6e7f4SKONRAD Frederic static void balloon_ccw_stats_get_poll_interval(Object *obj, struct Visitor *v, 88224a6e7f4SKONRAD Frederic void *opaque, const char *name, 88324a6e7f4SKONRAD Frederic Error **errp) 88424a6e7f4SKONRAD Frederic { 88524a6e7f4SKONRAD Frederic VirtIOBalloonCcw *dev = opaque; 88624a6e7f4SKONRAD Frederic object_property_get(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 88724a6e7f4SKONRAD Frederic errp); 88824a6e7f4SKONRAD Frederic } 88924a6e7f4SKONRAD Frederic 89024a6e7f4SKONRAD Frederic static void balloon_ccw_stats_set_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_set(OBJECT(&dev->vdev), v, "guest-stats-polling-interval", 89624a6e7f4SKONRAD Frederic errp); 89724a6e7f4SKONRAD Frederic } 89824a6e7f4SKONRAD Frederic 89930bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 900a5cf2bb4SCornelia Huck { 90130bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 902213f0c4fSAndreas Färber object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_BALLOON); 90330bff6a0SKONRAD Frederic object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); 90491ba2120SGonglei object_unref(OBJECT(&dev->vdev)); 90524a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats", "guest statistics", 90624a6e7f4SKONRAD Frederic balloon_ccw_stats_get_all, NULL, NULL, dev, NULL); 90724a6e7f4SKONRAD Frederic 90824a6e7f4SKONRAD Frederic object_property_add(obj, "guest-stats-polling-interval", "int", 90924a6e7f4SKONRAD Frederic balloon_ccw_stats_get_poll_interval, 91024a6e7f4SKONRAD Frederic balloon_ccw_stats_set_poll_interval, 91124a6e7f4SKONRAD Frederic NULL, dev, NULL); 912a5cf2bb4SCornelia Huck } 913a5cf2bb4SCornelia Huck 914c908ea10SKONRAD Frederic static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev) 915a5cf2bb4SCornelia Huck { 916c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 917c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9186f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 9196f32a6b4SKONRAD Frederic char *bus_name; 9206f32a6b4SKONRAD Frederic 9216f32a6b4SKONRAD Frederic /* 9226f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 9236f32a6b4SKONRAD Frederic * name as before. 9246f32a6b4SKONRAD Frederic */ 9256f32a6b4SKONRAD Frederic if (qdev->id) { 9266f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 9276f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 9286f32a6b4SKONRAD Frederic g_free(bus_name); 9296f32a6b4SKONRAD Frederic } 930a5cf2bb4SCornelia Huck 931c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 932c908ea10SKONRAD Frederic if (qdev_init(vdev) < 0) { 933a5cf2bb4SCornelia Huck return -1; 934a5cf2bb4SCornelia Huck } 935a5cf2bb4SCornelia Huck 936c908ea10SKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 937a5cf2bb4SCornelia Huck } 938a5cf2bb4SCornelia Huck 939c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 940a5cf2bb4SCornelia Huck { 941c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 942c8075cafSGonglei 943c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 944c8075cafSGonglei TYPE_VIRTIO_SCSI); 94519d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 94619d339f1SFam Zheng &error_abort); 947a5cf2bb4SCornelia Huck } 948a5cf2bb4SCornelia Huck 949ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 950ccf6916cSPaolo Bonzini static int vhost_ccw_scsi_init(VirtioCcwDevice *ccw_dev) 951ccf6916cSPaolo Bonzini { 952ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 953ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 954ccf6916cSPaolo Bonzini 955ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 956ccf6916cSPaolo Bonzini if (qdev_init(vdev) < 0) { 957ccf6916cSPaolo Bonzini return -1; 958ccf6916cSPaolo Bonzini } 959ccf6916cSPaolo Bonzini 960ccf6916cSPaolo Bonzini return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 961ccf6916cSPaolo Bonzini } 962ccf6916cSPaolo Bonzini 963ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 964ccf6916cSPaolo Bonzini { 965ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 966c8075cafSGonglei 967c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 968c8075cafSGonglei TYPE_VHOST_SCSI); 969ccf6916cSPaolo Bonzini } 970ccf6916cSPaolo Bonzini #endif 971ccf6916cSPaolo Bonzini 9722db26d4cSKONRAD Frederic static int virtio_ccw_rng_init(VirtioCcwDevice *ccw_dev) 9732362ecc5SCornelia Huck { 9742db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 9752db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9762362ecc5SCornelia Huck 9772db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9782db26d4cSKONRAD Frederic if (qdev_init(vdev) < 0) { 9792362ecc5SCornelia Huck return -1; 9802362ecc5SCornelia Huck } 9812362ecc5SCornelia Huck 9822db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 9835b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 9842db26d4cSKONRAD Frederic NULL); 9852db26d4cSKONRAD Frederic 9862db26d4cSKONRAD Frederic return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); 9872362ecc5SCornelia Huck } 9882362ecc5SCornelia Huck 989a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 990a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 991a5cf2bb4SCornelia Huck */ 992a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 993a5cf2bb4SCornelia Huck { 994a5cf2bb4SCornelia Huck return container_of(d, VirtioCcwDevice, parent_obj); 995a5cf2bb4SCornelia Huck } 996a5cf2bb4SCornelia Huck 9977e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 9987e749462SCornelia Huck uint8_t to_be_set) 9997e749462SCornelia Huck { 10007e749462SCornelia Huck uint8_t ind_old, ind_new; 10017e749462SCornelia Huck hwaddr len = 1; 10027e749462SCornelia Huck uint8_t *ind_addr; 10037e749462SCornelia Huck 10047e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 10057e749462SCornelia Huck if (!ind_addr) { 10067e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 10077e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 10087e749462SCornelia Huck return -1; 10097e749462SCornelia Huck } 10107e749462SCornelia Huck do { 10117e749462SCornelia Huck ind_old = *ind_addr; 10127e749462SCornelia Huck ind_new = ind_old | to_be_set; 10137e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 10147e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 10157e749462SCornelia Huck 10167e749462SCornelia Huck return ind_old; 10177e749462SCornelia Huck } 10187e749462SCornelia Huck 1019a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 1020a5cf2bb4SCornelia Huck { 1021a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 1022a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 1023a5cf2bb4SCornelia Huck uint64_t indicators; 1024a5cf2bb4SCornelia Huck 1025a5cf2bb4SCornelia Huck if (vector >= 128) { 1026a5cf2bb4SCornelia Huck return; 1027a5cf2bb4SCornelia Huck } 1028a5cf2bb4SCornelia Huck 1029a5cf2bb4SCornelia Huck if (vector < VIRTIO_PCI_QUEUE_MAX) { 10307c486976SCornelia Huck if (!dev->indicators) { 10317c486976SCornelia Huck return; 10327c486976SCornelia Huck } 10337e749462SCornelia Huck if (sch->thinint_active) { 10347e749462SCornelia Huck /* 10357e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 10367e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 10377e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 10387e749462SCornelia Huck * endian notation. 10397e749462SCornelia Huck */ 1040d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 1041d426d9fbSCornelia Huck 10427bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 1043d426d9fbSCornelia Huck (ind_bit + vector) / 8, 1044d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 10457bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 10467e749462SCornelia Huck 0x01)) { 10477e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 10487e749462SCornelia Huck } 10497e749462SCornelia Huck } else { 10507bca3892SCornelia Huck indicators = ldq_phys(&address_space_memory, dev->indicators->addr); 105119380b1bSCornelia Huck indicators |= 1ULL << vector; 10527bca3892SCornelia Huck stq_phys(&address_space_memory, dev->indicators->addr, indicators); 10537e749462SCornelia Huck css_conditional_io_interrupt(sch); 10547e749462SCornelia Huck } 1055a5cf2bb4SCornelia Huck } else { 10567c486976SCornelia Huck if (!dev->indicators2) { 10577c486976SCornelia Huck return; 10587c486976SCornelia Huck } 1059a5cf2bb4SCornelia Huck vector = 0; 10607bca3892SCornelia Huck indicators = ldq_phys(&address_space_memory, dev->indicators2->addr); 106119380b1bSCornelia Huck indicators |= 1ULL << vector; 10627bca3892SCornelia Huck stq_phys(&address_space_memory, dev->indicators2->addr, indicators); 1063a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 10647e749462SCornelia Huck } 1065a5cf2bb4SCornelia Huck } 1066a5cf2bb4SCornelia Huck 1067a5cf2bb4SCornelia Huck static unsigned virtio_ccw_get_features(DeviceState *d) 1068a5cf2bb4SCornelia Huck { 1069a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1070a5cf2bb4SCornelia Huck 1071a5cf2bb4SCornelia Huck /* Only the first 32 feature bits are used. */ 1072a5cf2bb4SCornelia Huck return dev->host_features[0]; 1073a5cf2bb4SCornelia Huck } 1074a5cf2bb4SCornelia Huck 1075a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1076a5cf2bb4SCornelia Huck { 1077a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1078f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1079a5cf2bb4SCornelia Huck 1080b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1081f24a6840SPaolo Bonzini virtio_reset(vdev); 1082a5cf2bb4SCornelia Huck css_reset_sch(dev->sch); 10837bca3892SCornelia Huck if (dev->indicators) { 1084d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 10857bca3892SCornelia Huck dev->indicators = NULL; 10867bca3892SCornelia Huck } 10877bca3892SCornelia Huck if (dev->indicators2) { 1088d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 10897bca3892SCornelia Huck dev->indicators2 = NULL; 10907bca3892SCornelia Huck } 10917bca3892SCornelia Huck if (dev->summary_indicator) { 1092d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 10937bca3892SCornelia Huck dev->summary_indicator = NULL; 10947bca3892SCornelia Huck } 1095a5cf2bb4SCornelia Huck } 1096a5cf2bb4SCornelia Huck 1097b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1098b4436a0bSCornelia Huck { 1099b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1100b4436a0bSCornelia Huck 1101b4436a0bSCornelia Huck if (running) { 1102b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1103b4436a0bSCornelia Huck } else { 1104b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1105b4436a0bSCornelia Huck } 1106b4436a0bSCornelia Huck } 1107b4436a0bSCornelia Huck 1108320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1109320ce850SCornelia Huck { 1110320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1111320ce850SCornelia Huck 1112320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1113320ce850SCornelia Huck } 1114320ce850SCornelia Huck 1115320ce850SCornelia Huck static int virtio_ccw_set_host_notifier(DeviceState *d, int n, bool assign) 1116320ce850SCornelia Huck { 1117320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1118320ce850SCornelia Huck 1119320ce850SCornelia Huck /* Stop using the generic ioeventfd, we are doing eventfd handling 1120320ce850SCornelia Huck * ourselves below */ 1121320ce850SCornelia Huck dev->ioeventfd_disabled = assign; 1122320ce850SCornelia Huck if (assign) { 1123320ce850SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1124320ce850SCornelia Huck } 1125320ce850SCornelia Huck return virtio_ccw_set_guest2host_notifier(dev, n, assign, false); 1126320ce850SCornelia Huck } 1127320ce850SCornelia Huck 1128d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1129d426d9fbSCornelia Huck { 1130d426d9fbSCornelia Huck int r; 1131d426d9fbSCornelia Huck 1132d426d9fbSCornelia Huck if (!dev->sch->thinint_active) { 1133d426d9fbSCornelia Huck return -EINVAL; 1134d426d9fbSCornelia Huck } 1135d426d9fbSCornelia Huck 1136d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1137d426d9fbSCornelia Huck if (r) { 1138d426d9fbSCornelia Huck return r; 1139d426d9fbSCornelia Huck } 1140d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1141d426d9fbSCornelia Huck if (r) { 1142d426d9fbSCornelia Huck return r; 1143d426d9fbSCornelia Huck } 1144d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1145d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1146d426d9fbSCornelia Huck 1147d426d9fbSCornelia Huck return 0; 1148d426d9fbSCornelia Huck } 1149d426d9fbSCornelia Huck 1150d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1151d426d9fbSCornelia Huck { 1152d426d9fbSCornelia Huck int i; 1153d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1154d426d9fbSCornelia Huck int ret; 1155d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1156d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1157d426d9fbSCornelia Huck 1158d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1159d426d9fbSCornelia Huck if (ret) { 1160d426d9fbSCornelia Huck return ret; 1161d426d9fbSCornelia Huck } 1162d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1163d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1164d426d9fbSCornelia Huck break; 1165d426d9fbSCornelia Huck } 1166d426d9fbSCornelia Huck } 1167d426d9fbSCornelia Huck dev->routes.num_routes = i; 1168d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1169d426d9fbSCornelia Huck } 1170d426d9fbSCornelia Huck 1171d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1172d426d9fbSCornelia Huck { 1173d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1174d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1175d426d9fbSCornelia Huck 1176d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1177d426d9fbSCornelia Huck } 1178d426d9fbSCornelia Huck 1179d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1180d426d9fbSCornelia Huck { 1181d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1182d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1183d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1184d426d9fbSCornelia Huck 1185d426d9fbSCornelia Huck return kvm_irqchip_add_irqfd_notifier(kvm_state, notifier, NULL, 1186d426d9fbSCornelia Huck dev->routes.gsi[n]); 1187d426d9fbSCornelia Huck } 1188d426d9fbSCornelia Huck 1189d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1190d426d9fbSCornelia Huck { 1191d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1192d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1193d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1194d426d9fbSCornelia Huck int ret; 1195d426d9fbSCornelia Huck 1196d426d9fbSCornelia Huck ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, notifier, 1197d426d9fbSCornelia Huck dev->routes.gsi[n]); 1198d426d9fbSCornelia Huck assert(ret == 0); 1199d426d9fbSCornelia Huck } 1200d426d9fbSCornelia Huck 1201320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1202320ce850SCornelia Huck bool assign, bool with_irqfd) 1203320ce850SCornelia Huck { 1204f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1205f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1206320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1207f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1208320ce850SCornelia Huck 1209320ce850SCornelia Huck if (assign) { 1210320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1211320ce850SCornelia Huck 1212320ce850SCornelia Huck if (r < 0) { 1213320ce850SCornelia Huck return r; 1214320ce850SCornelia Huck } 1215320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1216d426d9fbSCornelia Huck if (with_irqfd) { 1217d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1218d426d9fbSCornelia Huck if (r) { 1219d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1220d426d9fbSCornelia Huck with_irqfd); 1221d426d9fbSCornelia Huck return r; 1222d426d9fbSCornelia Huck } 1223d426d9fbSCornelia Huck } 1224d426d9fbSCornelia Huck /* 1225d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1226d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1227320ce850SCornelia Huck */ 1228320ce850SCornelia Huck if (k->guest_notifier_mask) { 1229f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1230320ce850SCornelia Huck } 1231320ce850SCornelia Huck /* get lost events and re-inject */ 1232320ce850SCornelia Huck if (k->guest_notifier_pending && 1233f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1234320ce850SCornelia Huck event_notifier_set(notifier); 1235320ce850SCornelia Huck } 1236320ce850SCornelia Huck } else { 1237320ce850SCornelia Huck if (k->guest_notifier_mask) { 1238f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1239320ce850SCornelia Huck } 1240d426d9fbSCornelia Huck if (with_irqfd) { 1241d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1242d426d9fbSCornelia Huck } 1243320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1244320ce850SCornelia Huck event_notifier_cleanup(notifier); 1245320ce850SCornelia Huck } 1246320ce850SCornelia Huck return 0; 1247320ce850SCornelia Huck } 1248320ce850SCornelia Huck 1249320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1250320ce850SCornelia Huck bool assigned) 1251320ce850SCornelia Huck { 1252320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1253f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1254d426d9fbSCornelia Huck bool with_irqfd = dev->sch->thinint_active && kvm_irqfds_enabled(); 1255320ce850SCornelia Huck int r, n; 1256320ce850SCornelia Huck 1257d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1258d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1259d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1260d426d9fbSCornelia Huck if (r < 0) { 1261d426d9fbSCornelia Huck goto irqroute_error; 1262d426d9fbSCornelia Huck } 1263d426d9fbSCornelia Huck } 1264320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1265320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1266320ce850SCornelia Huck break; 1267320ce850SCornelia Huck } 1268d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1269320ce850SCornelia Huck if (r < 0) { 1270320ce850SCornelia Huck goto assign_error; 1271320ce850SCornelia Huck } 1272320ce850SCornelia Huck } 1273d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1274d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1275d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1276d426d9fbSCornelia Huck } 1277320ce850SCornelia Huck return 0; 1278320ce850SCornelia Huck 1279320ce850SCornelia Huck assign_error: 1280320ce850SCornelia Huck while (--n >= 0) { 1281320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1282320ce850SCornelia Huck } 1283d426d9fbSCornelia Huck irqroute_error: 1284d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1285d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1286d426d9fbSCornelia Huck } 1287320ce850SCornelia Huck return r; 1288320ce850SCornelia Huck } 1289320ce850SCornelia Huck 1290bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1291bcb2b582SJens Freimann { 1292bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1293bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1294bcb2b582SJens Freimann 1295bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1296bcb2b582SJens Freimann } 1297bcb2b582SJens Freimann 1298bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1299bcb2b582SJens Freimann { 1300bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1301bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1302bcb2b582SJens Freimann uint16_t vector; 1303bcb2b582SJens Freimann 1304bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1305bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1306bcb2b582SJens Freimann 1307bcb2b582SJens Freimann return 0; 1308bcb2b582SJens Freimann } 1309bcb2b582SJens Freimann 1310bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1311bcb2b582SJens Freimann { 1312bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1313bcb2b582SJens Freimann SubchDev *s = dev->sch; 1314bcb2b582SJens Freimann 1315bcb2b582SJens Freimann subch_device_save(s, f); 1316bcb2b582SJens Freimann if (dev->indicators != NULL) { 1317bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators->len); 1318bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators->addr); 1319bcb2b582SJens Freimann } else { 1320bcb2b582SJens Freimann qemu_put_be32(f, 0); 1321bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1322bcb2b582SJens Freimann } 1323bcb2b582SJens Freimann if (dev->indicators2 != NULL) { 1324bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators2->len); 1325bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators2->addr); 1326bcb2b582SJens Freimann } else { 1327bcb2b582SJens Freimann qemu_put_be32(f, 0); 1328bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1329bcb2b582SJens Freimann } 1330bcb2b582SJens Freimann if (dev->summary_indicator != NULL) { 1331bcb2b582SJens Freimann qemu_put_be32(f, dev->summary_indicator->len); 1332bcb2b582SJens Freimann qemu_put_be64(f, dev->summary_indicator->addr); 1333bcb2b582SJens Freimann } else { 1334bcb2b582SJens Freimann qemu_put_be32(f, 0); 1335bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1336bcb2b582SJens Freimann } 1337bcb2b582SJens Freimann qemu_put_be64(f, dev->routes.adapter.ind_offset); 1338bcb2b582SJens Freimann qemu_put_byte(f, dev->thinint_isc); 1339bcb2b582SJens Freimann } 1340bcb2b582SJens Freimann 1341bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1342bcb2b582SJens Freimann { 1343bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1344bcb2b582SJens Freimann SubchDev *s = dev->sch; 1345bcb2b582SJens Freimann int len; 1346bcb2b582SJens Freimann 1347bcb2b582SJens Freimann s->driver_data = dev; 1348bcb2b582SJens Freimann subch_device_load(s, f); 1349bcb2b582SJens Freimann len = qemu_get_be32(f); 1350bcb2b582SJens Freimann if (len != 0) { 1351bcb2b582SJens Freimann dev->indicators = get_indicator(qemu_get_be64(f), len); 1352bcb2b582SJens Freimann } else { 1353bcb2b582SJens Freimann qemu_get_be64(f); 1354bcb2b582SJens Freimann dev->indicators = NULL; 1355bcb2b582SJens Freimann } 1356bcb2b582SJens Freimann len = qemu_get_be32(f); 1357bcb2b582SJens Freimann if (len != 0) { 1358bcb2b582SJens Freimann dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1359bcb2b582SJens Freimann } else { 1360bcb2b582SJens Freimann qemu_get_be64(f); 1361bcb2b582SJens Freimann dev->indicators2 = NULL; 1362bcb2b582SJens Freimann } 1363bcb2b582SJens Freimann len = qemu_get_be32(f); 1364bcb2b582SJens Freimann if (len != 0) { 1365bcb2b582SJens Freimann dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1366bcb2b582SJens Freimann } else { 1367bcb2b582SJens Freimann qemu_get_be64(f); 1368bcb2b582SJens Freimann dev->summary_indicator = NULL; 1369bcb2b582SJens Freimann } 1370bcb2b582SJens Freimann dev->routes.adapter.ind_offset = qemu_get_be64(f); 1371bcb2b582SJens Freimann dev->thinint_isc = qemu_get_byte(f); 1372bcb2b582SJens Freimann if (s->thinint_active) { 1373bcb2b582SJens Freimann return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 1374bcb2b582SJens Freimann dev->thinint_isc, true, false, 1375bcb2b582SJens Freimann &dev->routes.adapter.adapter_id); 1376bcb2b582SJens Freimann } 1377bcb2b582SJens Freimann 1378bcb2b582SJens Freimann return 0; 1379bcb2b582SJens Freimann } 1380bcb2b582SJens Freimann 1381a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1382a5cf2bb4SCornelia Huck 1383a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1384a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1385a5cf2bb4SCornelia Huck DEFINE_VIRTIO_NET_FEATURES(VirtioCcwDevice, host_features[0]), 1386b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1387b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1388a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1389a5cf2bb4SCornelia Huck }; 1390a5cf2bb4SCornelia Huck 1391a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1392a5cf2bb4SCornelia Huck { 1393a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1394a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1395a5cf2bb4SCornelia Huck 1396a5cf2bb4SCornelia Huck k->init = virtio_ccw_net_init; 139789334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1398a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1399a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1400a5cf2bb4SCornelia Huck } 1401a5cf2bb4SCornelia Huck 1402a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 140389334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1404a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 140589334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 140689334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1407a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1408a5cf2bb4SCornelia Huck }; 1409a5cf2bb4SCornelia Huck 1410a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1411a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1412b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1413b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1414a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1415a5cf2bb4SCornelia Huck }; 1416a5cf2bb4SCornelia Huck 1417a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1418a5cf2bb4SCornelia Huck { 1419a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1420a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1421a5cf2bb4SCornelia Huck 1422a5cf2bb4SCornelia Huck k->init = virtio_ccw_blk_init; 14233400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1424a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1425a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1426a5cf2bb4SCornelia Huck } 1427a5cf2bb4SCornelia Huck 1428a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14293400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1430a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14313400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14323400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1433a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1434a5cf2bb4SCornelia Huck }; 1435a5cf2bb4SCornelia Huck 1436a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1437a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1438b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1439b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1440a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1441a5cf2bb4SCornelia Huck }; 1442a5cf2bb4SCornelia Huck 1443a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1444a5cf2bb4SCornelia Huck { 1445a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1446a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1447a5cf2bb4SCornelia Huck 1448a5cf2bb4SCornelia Huck k->init = virtio_ccw_serial_init; 14496acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1450a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1451a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1452a5cf2bb4SCornelia Huck } 1453a5cf2bb4SCornelia Huck 1454a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 14556acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1456a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14576acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 14586acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1459a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1460a5cf2bb4SCornelia Huck }; 1461a5cf2bb4SCornelia Huck 1462a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1463a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1464b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1465b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1466a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1467a5cf2bb4SCornelia Huck }; 1468a5cf2bb4SCornelia Huck 1469a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1470a5cf2bb4SCornelia Huck { 1471a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1472a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1473a5cf2bb4SCornelia Huck 1474a5cf2bb4SCornelia Huck k->init = virtio_ccw_balloon_init; 147530bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1476a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1477a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1478a5cf2bb4SCornelia Huck } 1479a5cf2bb4SCornelia Huck 1480a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 148130bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1482a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 148330bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 148430bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1485a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1486a5cf2bb4SCornelia Huck }; 1487a5cf2bb4SCornelia Huck 1488a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1489a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 14904bfeb18aSKONRAD Frederic DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]), 1491b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1492b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1493a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1494a5cf2bb4SCornelia Huck }; 1495a5cf2bb4SCornelia Huck 1496a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1497a5cf2bb4SCornelia Huck { 1498a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1499a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1500a5cf2bb4SCornelia Huck 1501a5cf2bb4SCornelia Huck k->init = virtio_ccw_scsi_init; 1502c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1503a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1504a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1505a5cf2bb4SCornelia Huck } 1506a5cf2bb4SCornelia Huck 1507a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1508c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1509a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1510c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1511c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1512a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1513a5cf2bb4SCornelia Huck }; 1514a5cf2bb4SCornelia Huck 1515ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1516ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1517ccf6916cSPaolo Bonzini DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1518ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1519ccf6916cSPaolo Bonzini }; 1520ccf6916cSPaolo Bonzini 1521ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1522ccf6916cSPaolo Bonzini { 1523ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1524ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1525ccf6916cSPaolo Bonzini 1526ccf6916cSPaolo Bonzini k->init = vhost_ccw_scsi_init; 1527ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1528ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1529ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1530ccf6916cSPaolo Bonzini } 1531ccf6916cSPaolo Bonzini 1532ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1533ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1534ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15354b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1536ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1537ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1538ccf6916cSPaolo Bonzini }; 1539ccf6916cSPaolo Bonzini #endif 1540ccf6916cSPaolo Bonzini 15412db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15422362ecc5SCornelia Huck { 15432db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1544c8075cafSGonglei 1545c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1546c8075cafSGonglei TYPE_VIRTIO_RNG); 1547*cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1548*cbd5ac69SPaolo Bonzini "rng", &error_abort); 15492362ecc5SCornelia Huck } 15502362ecc5SCornelia Huck 15512362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 15522362ecc5SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1553b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1554b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 15552362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 15562362ecc5SCornelia Huck }; 15572362ecc5SCornelia Huck 15582362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 15592362ecc5SCornelia Huck { 15602362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 15612362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 15622362ecc5SCornelia Huck 15632362ecc5SCornelia Huck k->init = virtio_ccw_rng_init; 15642db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 15652362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 15662362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 15672362ecc5SCornelia Huck } 15682362ecc5SCornelia Huck 15692362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 15702db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 15712362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 15722db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 15732db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 15742362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 15752362ecc5SCornelia Huck }; 15762362ecc5SCornelia Huck 1577a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_init(DeviceState *dev) 1578a5cf2bb4SCornelia Huck { 1579a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1580a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1581a5cf2bb4SCornelia Huck 15821bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 1583a5cf2bb4SCornelia Huck 1584a5cf2bb4SCornelia Huck return _info->init(_dev); 1585a5cf2bb4SCornelia Huck } 1586a5cf2bb4SCornelia Huck 1587a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1588a5cf2bb4SCornelia Huck { 1589a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1590a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1591a5cf2bb4SCornelia Huck 1592a5cf2bb4SCornelia Huck return _info->exit(_dev); 1593a5cf2bb4SCornelia Huck } 1594a5cf2bb4SCornelia Huck 1595277bc95eSIgor Mammedov static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1596277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1597a5cf2bb4SCornelia Huck { 1598a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1599a5cf2bb4SCornelia Huck SubchDev *sch = _dev->sch; 1600a5cf2bb4SCornelia Huck 16010b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 16020b81c1efSPaolo Bonzini 1603a5cf2bb4SCornelia Huck /* 1604a5cf2bb4SCornelia Huck * We should arrive here only for device_del, since we don't support 1605a5cf2bb4SCornelia Huck * direct hot(un)plug of channels, but only through virtio. 1606a5cf2bb4SCornelia Huck */ 1607a5cf2bb4SCornelia Huck assert(sch != NULL); 1608a5cf2bb4SCornelia Huck /* Subchannel is now disabled and no longer valid. */ 1609a5cf2bb4SCornelia Huck sch->curr_status.pmcw.flags &= ~(PMCW_FLAGS_MASK_ENA | 1610a5cf2bb4SCornelia Huck PMCW_FLAGS_MASK_DNV); 1611a5cf2bb4SCornelia Huck 1612a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0); 1613a5cf2bb4SCornelia Huck 161402a5c4c9SStefan Hajnoczi object_unparent(OBJECT(dev)); 1615a5cf2bb4SCornelia Huck } 1616a5cf2bb4SCornelia Huck 161785d1277eSMing Lei static Property virtio_ccw_properties[] = { 161885d1277eSMing Lei DEFINE_VIRTIO_COMMON_FEATURES(VirtioCcwDevice, host_features[0]), 161985d1277eSMing Lei DEFINE_PROP_END_OF_LIST(), 162085d1277eSMing Lei }; 162185d1277eSMing Lei 1622a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1623a5cf2bb4SCornelia Huck { 1624a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1625a5cf2bb4SCornelia Huck 162685d1277eSMing Lei dc->props = virtio_ccw_properties; 1627a5cf2bb4SCornelia Huck dc->init = virtio_ccw_busdev_init; 1628a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1629a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1630a5cf2bb4SCornelia Huck } 1631a5cf2bb4SCornelia Huck 1632a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1633a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1634a5cf2bb4SCornelia Huck .parent = TYPE_DEVICE, 1635a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1636a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1637a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1638a5cf2bb4SCornelia Huck .abstract = true, 1639a5cf2bb4SCornelia Huck }; 1640a5cf2bb4SCornelia Huck 1641a5cf2bb4SCornelia Huck /***************** Virtual-css Bus Bridge Device ********************/ 1642a5cf2bb4SCornelia Huck /* Only required to have the virtio bus as child in the system bus */ 1643a5cf2bb4SCornelia Huck 1644a5cf2bb4SCornelia Huck static int virtual_css_bridge_init(SysBusDevice *dev) 1645a5cf2bb4SCornelia Huck { 1646a5cf2bb4SCornelia Huck /* nothing */ 1647a5cf2bb4SCornelia Huck return 0; 1648a5cf2bb4SCornelia Huck } 1649a5cf2bb4SCornelia Huck 1650a5cf2bb4SCornelia Huck static void virtual_css_bridge_class_init(ObjectClass *klass, void *data) 1651a5cf2bb4SCornelia Huck { 1652a5cf2bb4SCornelia Huck SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1653277bc95eSIgor Mammedov HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); 1654a5cf2bb4SCornelia Huck 1655a5cf2bb4SCornelia Huck k->init = virtual_css_bridge_init; 1656277bc95eSIgor Mammedov hc->unplug = virtio_ccw_busdev_unplug; 1657a5cf2bb4SCornelia Huck } 1658a5cf2bb4SCornelia Huck 1659a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bridge_info = { 1660a5cf2bb4SCornelia Huck .name = "virtual-css-bridge", 1661a5cf2bb4SCornelia Huck .parent = TYPE_SYS_BUS_DEVICE, 1662a5cf2bb4SCornelia Huck .instance_size = sizeof(SysBusDevice), 1663a5cf2bb4SCornelia Huck .class_init = virtual_css_bridge_class_init, 1664277bc95eSIgor Mammedov .interfaces = (InterfaceInfo[]) { 1665277bc95eSIgor Mammedov { TYPE_HOTPLUG_HANDLER }, 1666277bc95eSIgor Mammedov { } 1667277bc95eSIgor Mammedov } 1668a5cf2bb4SCornelia Huck }; 1669a5cf2bb4SCornelia Huck 1670a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1671a5cf2bb4SCornelia Huck 16721bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 16731bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1674a5cf2bb4SCornelia Huck { 1675a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1676f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1677a5cf2bb4SCornelia Huck 1678fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1679fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1680a5cf2bb4SCornelia Huck } 1681a5cf2bb4SCornelia Huck 1682a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1683a5cf2bb4SCornelia Huck { 1684a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1685a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1686a5cf2bb4SCornelia Huck 1687a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1688a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1689a5cf2bb4SCornelia Huck k->get_features = virtio_ccw_get_features; 1690b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1691320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1692320ce850SCornelia Huck k->set_host_notifier = virtio_ccw_set_host_notifier; 1693320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1694bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1695bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1696bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1697bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1698a5cf2bb4SCornelia Huck } 1699a5cf2bb4SCornelia Huck 1700a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1701a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1702a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1703a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1704a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1705a5cf2bb4SCornelia Huck }; 1706a5cf2bb4SCornelia Huck 1707a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1708a5cf2bb4SCornelia Huck { 1709a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1710a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bus_info); 1711a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1712a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1713a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1714a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1715a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1716a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1717b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1718ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1719b702d2aeSEd Maste #endif 17202362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1721a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bridge_info); 1722a5cf2bb4SCornelia Huck } 1723a5cf2bb4SCornelia Huck 1724a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1725