1a5cf2bb4SCornelia Huck /* 2a5cf2bb4SCornelia Huck * virtio ccw target implementation 3a5cf2bb4SCornelia Huck * 4de6a9218SPierre Morel * Copyright 2012,2015 IBM Corp. 5a5cf2bb4SCornelia Huck * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 6de6a9218SPierre Morel * Pierre Morel <pmorel@linux.vnet.ibm.com> 7a5cf2bb4SCornelia Huck * 8a5cf2bb4SCornelia Huck * This work is licensed under the terms of the GNU GPL, version 2 or (at 9a5cf2bb4SCornelia Huck * your option) any later version. See the COPYING file in the top-level 10a5cf2bb4SCornelia Huck * directory. 11a5cf2bb4SCornelia Huck */ 12a5cf2bb4SCornelia Huck 13a5cf2bb4SCornelia Huck #include "hw/hw.h" 144be74634SMarkus Armbruster #include "sysemu/block-backend.h" 15a5cf2bb4SCornelia Huck #include "sysemu/blockdev.h" 16a5cf2bb4SCornelia Huck #include "sysemu/sysemu.h" 17a5cf2bb4SCornelia Huck #include "net/net.h" 18a5cf2bb4SCornelia Huck #include "monitor/monitor.h" 190d09e41aSPaolo Bonzini #include "hw/virtio/virtio.h" 200d09e41aSPaolo Bonzini #include "hw/virtio/virtio-serial.h" 210d09e41aSPaolo Bonzini #include "hw/virtio/virtio-net.h" 22a5cf2bb4SCornelia Huck #include "hw/sysbus.h" 23a5cf2bb4SCornelia Huck #include "qemu/bitops.h" 24*d49b6836SMarkus Armbruster #include "qemu/error-report.h" 250d09e41aSPaolo Bonzini #include "hw/virtio/virtio-bus.h" 26d426d9fbSCornelia Huck #include "hw/s390x/adapter.h" 27d426d9fbSCornelia Huck #include "hw/s390x/s390_flic.h" 28a5cf2bb4SCornelia Huck 29a5cf2bb4SCornelia Huck #include "ioinst.h" 30a5cf2bb4SCornelia Huck #include "css.h" 31a5cf2bb4SCornelia Huck #include "virtio-ccw.h" 32a5cf2bb4SCornelia Huck #include "trace.h" 33a5cf2bb4SCornelia Huck 347bca3892SCornelia Huck static QTAILQ_HEAD(, IndAddr) indicator_addresses = 357bca3892SCornelia Huck QTAILQ_HEAD_INITIALIZER(indicator_addresses); 367bca3892SCornelia Huck 377bca3892SCornelia Huck static IndAddr *get_indicator(hwaddr ind_addr, int len) 387bca3892SCornelia Huck { 397bca3892SCornelia Huck IndAddr *indicator; 407bca3892SCornelia Huck 417bca3892SCornelia Huck QTAILQ_FOREACH(indicator, &indicator_addresses, sibling) { 427bca3892SCornelia Huck if (indicator->addr == ind_addr) { 437bca3892SCornelia Huck indicator->refcnt++; 447bca3892SCornelia Huck return indicator; 457bca3892SCornelia Huck } 467bca3892SCornelia Huck } 477bca3892SCornelia Huck indicator = g_new0(IndAddr, 1); 487bca3892SCornelia Huck indicator->addr = ind_addr; 497bca3892SCornelia Huck indicator->len = len; 507bca3892SCornelia Huck indicator->refcnt = 1; 517bca3892SCornelia Huck QTAILQ_INSERT_TAIL(&indicator_addresses, indicator, sibling); 527bca3892SCornelia Huck return indicator; 537bca3892SCornelia Huck } 547bca3892SCornelia Huck 55d426d9fbSCornelia Huck static int s390_io_adapter_map(AdapterInfo *adapter, uint64_t map_addr, 56d426d9fbSCornelia Huck bool do_map) 57d426d9fbSCornelia Huck { 58d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 59d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 60d426d9fbSCornelia Huck 61d426d9fbSCornelia Huck return fsc->io_adapter_map(fs, adapter->adapter_id, map_addr, do_map); 62d426d9fbSCornelia Huck } 63d426d9fbSCornelia Huck 64d426d9fbSCornelia Huck static void release_indicator(AdapterInfo *adapter, IndAddr *indicator) 657bca3892SCornelia Huck { 667bca3892SCornelia Huck assert(indicator->refcnt > 0); 677bca3892SCornelia Huck indicator->refcnt--; 687bca3892SCornelia Huck if (indicator->refcnt > 0) { 697bca3892SCornelia Huck return; 707bca3892SCornelia Huck } 717bca3892SCornelia Huck QTAILQ_REMOVE(&indicator_addresses, indicator, sibling); 72d426d9fbSCornelia Huck if (indicator->map) { 73d426d9fbSCornelia Huck s390_io_adapter_map(adapter, indicator->map, false); 74d426d9fbSCornelia Huck } 757bca3892SCornelia Huck g_free(indicator); 767bca3892SCornelia Huck } 777bca3892SCornelia Huck 78d426d9fbSCornelia Huck static int map_indicator(AdapterInfo *adapter, IndAddr *indicator) 79d426d9fbSCornelia Huck { 80d426d9fbSCornelia Huck int ret; 81d426d9fbSCornelia Huck 82d426d9fbSCornelia Huck if (indicator->map) { 83d426d9fbSCornelia Huck return 0; /* already mapped is not an error */ 84d426d9fbSCornelia Huck } 85d426d9fbSCornelia Huck indicator->map = indicator->addr; 86d426d9fbSCornelia Huck ret = s390_io_adapter_map(adapter, indicator->map, true); 87d426d9fbSCornelia Huck if ((ret != 0) && (ret != -ENOSYS)) { 88d426d9fbSCornelia Huck goto out_err; 89d426d9fbSCornelia Huck } 90d426d9fbSCornelia Huck return 0; 91d426d9fbSCornelia Huck 92d426d9fbSCornelia Huck out_err: 93d426d9fbSCornelia Huck indicator->map = 0; 94d426d9fbSCornelia Huck return ret; 95d426d9fbSCornelia Huck } 96d426d9fbSCornelia Huck 971bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 981bf4d7aaSAndreas Färber VirtioCcwDevice *dev); 99d51fcfacSKONRAD Frederic 100dcc20931SPaolo Bonzini static void virtual_css_bus_reset(BusState *qbus) 101a5cf2bb4SCornelia Huck { 102a5cf2bb4SCornelia Huck /* This should actually be modelled via the generic css */ 103a5cf2bb4SCornelia Huck css_reset(); 104a5cf2bb4SCornelia Huck } 105a5cf2bb4SCornelia Huck 106a5cf2bb4SCornelia Huck 107a5cf2bb4SCornelia Huck static void virtual_css_bus_class_init(ObjectClass *klass, void *data) 108a5cf2bb4SCornelia Huck { 109a5cf2bb4SCornelia Huck BusClass *k = BUS_CLASS(klass); 110a5cf2bb4SCornelia Huck 111a5cf2bb4SCornelia Huck k->reset = virtual_css_bus_reset; 112a5cf2bb4SCornelia Huck } 113a5cf2bb4SCornelia Huck 114a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bus_info = { 115a5cf2bb4SCornelia Huck .name = TYPE_VIRTUAL_CSS_BUS, 116a5cf2bb4SCornelia Huck .parent = TYPE_BUS, 117a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtualCssBus), 118a5cf2bb4SCornelia Huck .class_init = virtual_css_bus_class_init, 119a5cf2bb4SCornelia Huck }; 120a5cf2bb4SCornelia Huck 121a5cf2bb4SCornelia Huck VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) 122a5cf2bb4SCornelia Huck { 123a5cf2bb4SCornelia Huck VirtIODevice *vdev = NULL; 124f24a6840SPaolo Bonzini VirtioCcwDevice *dev = sch->driver_data; 125a5cf2bb4SCornelia Huck 126f24a6840SPaolo Bonzini if (dev) { 127f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 128a5cf2bb4SCornelia Huck } 129a5cf2bb4SCornelia Huck return vdev; 130a5cf2bb4SCornelia Huck } 131a5cf2bb4SCornelia Huck 132b4436a0bSCornelia Huck static int virtio_ccw_set_guest2host_notifier(VirtioCcwDevice *dev, int n, 133b4436a0bSCornelia Huck bool assign, bool set_handler) 134b4436a0bSCornelia Huck { 135f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 136f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 137b4436a0bSCornelia Huck EventNotifier *notifier = virtio_queue_get_host_notifier(vq); 138b4436a0bSCornelia Huck int r = 0; 139b4436a0bSCornelia Huck SubchDev *sch = dev->sch; 140b4436a0bSCornelia Huck uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; 141b4436a0bSCornelia Huck 142b4436a0bSCornelia Huck if (assign) { 143b4436a0bSCornelia Huck r = event_notifier_init(notifier, 1); 144b4436a0bSCornelia Huck if (r < 0) { 145b4436a0bSCornelia Huck error_report("%s: unable to init event notifier: %d", __func__, r); 146b4436a0bSCornelia Huck return r; 147b4436a0bSCornelia Huck } 148b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler); 149cc3ac9c4SCornelia Huck r = s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 150b4436a0bSCornelia Huck if (r < 0) { 151b4436a0bSCornelia Huck error_report("%s: unable to assign ioeventfd: %d", __func__, r); 152b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, false, false); 153b4436a0bSCornelia Huck event_notifier_cleanup(notifier); 154b4436a0bSCornelia Huck return r; 155b4436a0bSCornelia Huck } 156b4436a0bSCornelia Huck } else { 157b4436a0bSCornelia Huck virtio_queue_set_host_notifier_fd_handler(vq, false, false); 158cc3ac9c4SCornelia Huck s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 159b4436a0bSCornelia Huck event_notifier_cleanup(notifier); 160b4436a0bSCornelia Huck } 161b4436a0bSCornelia Huck return r; 162b4436a0bSCornelia Huck } 163b4436a0bSCornelia Huck 164b4436a0bSCornelia Huck static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) 165b4436a0bSCornelia Huck { 166f24a6840SPaolo Bonzini VirtIODevice *vdev; 167b4436a0bSCornelia Huck int n, r; 168b4436a0bSCornelia Huck 169b4436a0bSCornelia Huck if (!(dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) || 170320ce850SCornelia Huck dev->ioeventfd_disabled || 171b4436a0bSCornelia Huck dev->ioeventfd_started) { 172b4436a0bSCornelia Huck return; 173b4436a0bSCornelia Huck } 174f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 1758dfbaa6aSJason Wang for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) { 176f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 177b4436a0bSCornelia Huck continue; 178b4436a0bSCornelia Huck } 179b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, true, true); 180b4436a0bSCornelia Huck if (r < 0) { 181b4436a0bSCornelia Huck goto assign_error; 182b4436a0bSCornelia Huck } 183b4436a0bSCornelia Huck } 184b4436a0bSCornelia Huck dev->ioeventfd_started = true; 185b4436a0bSCornelia Huck return; 186b4436a0bSCornelia Huck 187b4436a0bSCornelia Huck assign_error: 188b4436a0bSCornelia Huck while (--n >= 0) { 189f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 190b4436a0bSCornelia Huck continue; 191b4436a0bSCornelia Huck } 192b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, false, false); 193b4436a0bSCornelia Huck assert(r >= 0); 194b4436a0bSCornelia Huck } 195b4436a0bSCornelia Huck dev->ioeventfd_started = false; 196b4436a0bSCornelia Huck /* Disable ioeventfd for this device. */ 197b4436a0bSCornelia Huck dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 198b4436a0bSCornelia Huck error_report("%s: failed. Fallback to userspace (slower).", __func__); 199b4436a0bSCornelia Huck } 200b4436a0bSCornelia Huck 201b4436a0bSCornelia Huck static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) 202b4436a0bSCornelia Huck { 203f24a6840SPaolo Bonzini VirtIODevice *vdev; 204b4436a0bSCornelia Huck int n, r; 205b4436a0bSCornelia Huck 206b4436a0bSCornelia Huck if (!dev->ioeventfd_started) { 207b4436a0bSCornelia Huck return; 208b4436a0bSCornelia Huck } 209f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 2108dfbaa6aSJason Wang for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) { 211f24a6840SPaolo Bonzini if (!virtio_queue_get_num(vdev, n)) { 212b4436a0bSCornelia Huck continue; 213b4436a0bSCornelia Huck } 214b4436a0bSCornelia Huck r = virtio_ccw_set_guest2host_notifier(dev, n, false, false); 215b4436a0bSCornelia Huck assert(r >= 0); 216b4436a0bSCornelia Huck } 217b4436a0bSCornelia Huck dev->ioeventfd_started = false; 218b4436a0bSCornelia Huck } 219b4436a0bSCornelia Huck 220a5cf2bb4SCornelia Huck VirtualCssBus *virtual_css_bus_init(void) 221a5cf2bb4SCornelia Huck { 222a5cf2bb4SCornelia Huck VirtualCssBus *cbus; 223a5cf2bb4SCornelia Huck BusState *bus; 224a5cf2bb4SCornelia Huck DeviceState *dev; 225a5cf2bb4SCornelia Huck 226a5cf2bb4SCornelia Huck /* Create bridge device */ 227a5cf2bb4SCornelia Huck dev = qdev_create(NULL, "virtual-css-bridge"); 228a5cf2bb4SCornelia Huck qdev_init_nofail(dev); 229a5cf2bb4SCornelia Huck 230a5cf2bb4SCornelia Huck /* Create bus on bridge device */ 231a5cf2bb4SCornelia Huck bus = qbus_create(TYPE_VIRTUAL_CSS_BUS, dev, "virtual-css"); 232a5cf2bb4SCornelia Huck cbus = VIRTUAL_CSS_BUS(bus); 233a5cf2bb4SCornelia Huck 234a5cf2bb4SCornelia Huck /* Enable hotplugging */ 235277bc95eSIgor Mammedov qbus_set_hotplug_handler(bus, dev, &error_abort); 236a5cf2bb4SCornelia Huck 237a5cf2bb4SCornelia Huck return cbus; 238a5cf2bb4SCornelia Huck } 239a5cf2bb4SCornelia Huck 240a5cf2bb4SCornelia Huck /* Communication blocks used by several channel commands. */ 241a5cf2bb4SCornelia Huck typedef struct VqInfoBlock { 242a5cf2bb4SCornelia Huck uint64_t queue; 243a5cf2bb4SCornelia Huck uint32_t align; 244a5cf2bb4SCornelia Huck uint16_t index; 245a5cf2bb4SCornelia Huck uint16_t num; 246a5cf2bb4SCornelia Huck } QEMU_PACKED VqInfoBlock; 247a5cf2bb4SCornelia Huck 248a5cf2bb4SCornelia Huck typedef struct VqConfigBlock { 249a5cf2bb4SCornelia Huck uint16_t index; 250a5cf2bb4SCornelia Huck uint16_t num_max; 251a5cf2bb4SCornelia Huck } QEMU_PACKED VqConfigBlock; 252a5cf2bb4SCornelia Huck 253a5cf2bb4SCornelia Huck typedef struct VirtioFeatDesc { 254a5cf2bb4SCornelia Huck uint32_t features; 255a5cf2bb4SCornelia Huck uint8_t index; 256a5cf2bb4SCornelia Huck } QEMU_PACKED VirtioFeatDesc; 257a5cf2bb4SCornelia Huck 2587e749462SCornelia Huck typedef struct VirtioThinintInfo { 2597e749462SCornelia Huck hwaddr summary_indicator; 2607e749462SCornelia Huck hwaddr device_indicator; 2617e749462SCornelia Huck uint64_t ind_bit; 2627e749462SCornelia Huck uint8_t isc; 2637e749462SCornelia Huck } QEMU_PACKED VirtioThinintInfo; 2647e749462SCornelia Huck 265a5cf2bb4SCornelia Huck /* Specify where the virtqueues for the subchannel are in guest memory. */ 266a5cf2bb4SCornelia Huck static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr, uint32_t align, 267a5cf2bb4SCornelia Huck uint16_t index, uint16_t num) 268a5cf2bb4SCornelia Huck { 269f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 270a5cf2bb4SCornelia Huck 2718dfbaa6aSJason Wang if (index >= VIRTIO_CCW_QUEUE_MAX) { 272a5cf2bb4SCornelia Huck return -EINVAL; 273a5cf2bb4SCornelia Huck } 274a5cf2bb4SCornelia Huck 275a5cf2bb4SCornelia Huck /* Current code in virtio.c relies on 4K alignment. */ 276a5cf2bb4SCornelia Huck if (addr && (align != 4096)) { 277a5cf2bb4SCornelia Huck return -EINVAL; 278a5cf2bb4SCornelia Huck } 279a5cf2bb4SCornelia Huck 280f24a6840SPaolo Bonzini if (!vdev) { 281a5cf2bb4SCornelia Huck return -EINVAL; 282a5cf2bb4SCornelia Huck } 283a5cf2bb4SCornelia Huck 284f24a6840SPaolo Bonzini virtio_queue_set_addr(vdev, index, addr); 285a5cf2bb4SCornelia Huck if (!addr) { 286955cc8c9SJason Wang virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); 287a5cf2bb4SCornelia Huck } else { 288a5cf2bb4SCornelia Huck /* Fail if we don't have a big enough queue. */ 289a5cf2bb4SCornelia Huck /* TODO: Add interface to handle vring.num changing */ 290f24a6840SPaolo Bonzini if (virtio_queue_get_num(vdev, index) > num) { 291a5cf2bb4SCornelia Huck return -EINVAL; 292a5cf2bb4SCornelia Huck } 293f24a6840SPaolo Bonzini virtio_queue_set_vector(vdev, index, index); 294a5cf2bb4SCornelia Huck } 295a5cf2bb4SCornelia Huck /* tell notify handler in case of config change */ 2968dfbaa6aSJason Wang vdev->config_vector = VIRTIO_CCW_QUEUE_MAX; 297a5cf2bb4SCornelia Huck return 0; 298a5cf2bb4SCornelia Huck } 299a5cf2bb4SCornelia Huck 300a5cf2bb4SCornelia Huck static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) 301a5cf2bb4SCornelia Huck { 302a5cf2bb4SCornelia Huck int ret; 303a5cf2bb4SCornelia Huck VqInfoBlock info; 304a5cf2bb4SCornelia Huck uint8_t status; 305a5cf2bb4SCornelia Huck VirtioFeatDesc features; 306a5cf2bb4SCornelia Huck void *config; 307a5cf2bb4SCornelia Huck hwaddr indicators; 308a5cf2bb4SCornelia Huck VqConfigBlock vq_config; 309a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = sch->driver_data; 310f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 311a5cf2bb4SCornelia Huck bool check_len; 312a5cf2bb4SCornelia Huck int len; 313a5cf2bb4SCornelia Huck hwaddr hw_len; 3147e749462SCornelia Huck VirtioThinintInfo *thinint; 315a5cf2bb4SCornelia Huck 316a5cf2bb4SCornelia Huck if (!dev) { 317a5cf2bb4SCornelia Huck return -EINVAL; 318a5cf2bb4SCornelia Huck } 319a5cf2bb4SCornelia Huck 320a5cf2bb4SCornelia Huck trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, 321a5cf2bb4SCornelia Huck ccw.cmd_code); 322a5cf2bb4SCornelia Huck check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); 323a5cf2bb4SCornelia Huck 324a5cf2bb4SCornelia Huck /* Look at the command. */ 325a5cf2bb4SCornelia Huck switch (ccw.cmd_code) { 326a5cf2bb4SCornelia Huck case CCW_CMD_SET_VQ: 327a5cf2bb4SCornelia Huck if (check_len) { 328a5cf2bb4SCornelia Huck if (ccw.count != sizeof(info)) { 329a5cf2bb4SCornelia Huck ret = -EINVAL; 330a5cf2bb4SCornelia Huck break; 331a5cf2bb4SCornelia Huck } 332a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(info)) { 333a5cf2bb4SCornelia Huck /* Can't execute command. */ 334a5cf2bb4SCornelia Huck ret = -EINVAL; 335a5cf2bb4SCornelia Huck break; 336a5cf2bb4SCornelia Huck } 337a5cf2bb4SCornelia Huck if (!ccw.cda) { 338a5cf2bb4SCornelia Huck ret = -EFAULT; 339a5cf2bb4SCornelia Huck } else { 34042874d3aSPeter Maydell info.queue = address_space_ldq(&address_space_memory, ccw.cda, 34142874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 34242874d3aSPeter Maydell info.align = address_space_ldl(&address_space_memory, 34342874d3aSPeter Maydell ccw.cda + sizeof(info.queue), 34442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 34542874d3aSPeter Maydell NULL); 34642874d3aSPeter Maydell info.index = address_space_lduw(&address_space_memory, 34741701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 34842874d3aSPeter Maydell + sizeof(info.align), 34942874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 35042874d3aSPeter Maydell NULL); 35142874d3aSPeter Maydell info.num = address_space_lduw(&address_space_memory, 35241701aa4SEdgar E. Iglesias ccw.cda + sizeof(info.queue) 353a5cf2bb4SCornelia Huck + sizeof(info.align) 35442874d3aSPeter Maydell + sizeof(info.index), 35542874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 35642874d3aSPeter Maydell NULL); 357a5cf2bb4SCornelia Huck ret = virtio_ccw_set_vqs(sch, info.queue, info.align, info.index, 358a5cf2bb4SCornelia Huck info.num); 359a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = 0; 360a5cf2bb4SCornelia Huck } 361a5cf2bb4SCornelia Huck break; 362a5cf2bb4SCornelia Huck case CCW_CMD_VDEV_RESET: 363b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 364f24a6840SPaolo Bonzini virtio_reset(vdev); 365a5cf2bb4SCornelia Huck ret = 0; 366a5cf2bb4SCornelia Huck break; 367a5cf2bb4SCornelia Huck case CCW_CMD_READ_FEAT: 368a5cf2bb4SCornelia Huck if (check_len) { 369a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 370a5cf2bb4SCornelia Huck ret = -EINVAL; 371a5cf2bb4SCornelia Huck break; 372a5cf2bb4SCornelia Huck } 373a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 374a5cf2bb4SCornelia Huck /* Can't execute command. */ 375a5cf2bb4SCornelia Huck ret = -EINVAL; 376a5cf2bb4SCornelia Huck break; 377a5cf2bb4SCornelia Huck } 378a5cf2bb4SCornelia Huck if (!ccw.cda) { 379a5cf2bb4SCornelia Huck ret = -EFAULT; 380a5cf2bb4SCornelia Huck } else { 38142874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 38242874d3aSPeter Maydell ccw.cda 38342874d3aSPeter Maydell + sizeof(features.features), 38442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 38542874d3aSPeter Maydell NULL); 3866b8f1020SCornelia Huck if (features.index == 0) { 3876b8f1020SCornelia Huck features.features = vdev->host_features; 388a5cf2bb4SCornelia Huck } else { 389a5cf2bb4SCornelia Huck /* Return zeroes if the guest supports more feature bits. */ 390a5cf2bb4SCornelia Huck features.features = 0; 391a5cf2bb4SCornelia Huck } 39242874d3aSPeter Maydell address_space_stl_le(&address_space_memory, ccw.cda, 39342874d3aSPeter Maydell features.features, MEMTXATTRS_UNSPECIFIED, 39442874d3aSPeter Maydell NULL); 395a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 396a5cf2bb4SCornelia Huck ret = 0; 397a5cf2bb4SCornelia Huck } 398a5cf2bb4SCornelia Huck break; 399a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_FEAT: 400a5cf2bb4SCornelia Huck if (check_len) { 401a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 402a5cf2bb4SCornelia Huck ret = -EINVAL; 403a5cf2bb4SCornelia Huck break; 404a5cf2bb4SCornelia Huck } 405a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 406a5cf2bb4SCornelia Huck /* Can't execute command. */ 407a5cf2bb4SCornelia Huck ret = -EINVAL; 408a5cf2bb4SCornelia Huck break; 409a5cf2bb4SCornelia Huck } 410a5cf2bb4SCornelia Huck if (!ccw.cda) { 411a5cf2bb4SCornelia Huck ret = -EFAULT; 412a5cf2bb4SCornelia Huck } else { 41342874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 41442874d3aSPeter Maydell ccw.cda 41542874d3aSPeter Maydell + sizeof(features.features), 41642874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 41742874d3aSPeter Maydell NULL); 41842874d3aSPeter Maydell features.features = address_space_ldl_le(&address_space_memory, 41942874d3aSPeter Maydell ccw.cda, 42042874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 42142874d3aSPeter Maydell NULL); 4226b8f1020SCornelia Huck if (features.index == 0) { 423a590fd5bSCornelia Huck virtio_set_features(vdev, features.features); 424a5cf2bb4SCornelia Huck } else { 425a5cf2bb4SCornelia Huck /* 426a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 427a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 428a5cf2bb4SCornelia Huck */ 429a5cf2bb4SCornelia Huck if (features.features) { 430a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 431a5cf2bb4SCornelia Huck features.index, features.features); 432a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 433a5cf2bb4SCornelia Huck } 434a5cf2bb4SCornelia Huck } 435a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 436a5cf2bb4SCornelia Huck ret = 0; 437a5cf2bb4SCornelia Huck } 438a5cf2bb4SCornelia Huck break; 439a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 440a5cf2bb4SCornelia Huck if (check_len) { 441f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 442a5cf2bb4SCornelia Huck ret = -EINVAL; 443a5cf2bb4SCornelia Huck break; 444a5cf2bb4SCornelia Huck } 445a5cf2bb4SCornelia Huck } 446f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 447a5cf2bb4SCornelia Huck if (!ccw.cda) { 448a5cf2bb4SCornelia Huck ret = -EFAULT; 449a5cf2bb4SCornelia Huck } else { 450f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 451a5cf2bb4SCornelia Huck /* XXX config space endianness */ 452f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 453a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 454a5cf2bb4SCornelia Huck ret = 0; 455a5cf2bb4SCornelia Huck } 456a5cf2bb4SCornelia Huck break; 457a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_CONF: 458a5cf2bb4SCornelia Huck if (check_len) { 459f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 460a5cf2bb4SCornelia Huck ret = -EINVAL; 461a5cf2bb4SCornelia Huck break; 462a5cf2bb4SCornelia Huck } 463a5cf2bb4SCornelia Huck } 464f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 465a5cf2bb4SCornelia Huck hw_len = len; 466a5cf2bb4SCornelia Huck if (!ccw.cda) { 467a5cf2bb4SCornelia Huck ret = -EFAULT; 468a5cf2bb4SCornelia Huck } else { 469a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 470a5cf2bb4SCornelia Huck if (!config) { 471a5cf2bb4SCornelia Huck ret = -EFAULT; 472a5cf2bb4SCornelia Huck } else { 473a5cf2bb4SCornelia Huck len = hw_len; 474a5cf2bb4SCornelia Huck /* XXX config space endianness */ 475f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 476a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 477f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 478a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 479a5cf2bb4SCornelia Huck ret = 0; 480a5cf2bb4SCornelia Huck } 481a5cf2bb4SCornelia Huck } 482a5cf2bb4SCornelia Huck break; 483a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 484a5cf2bb4SCornelia Huck if (check_len) { 485a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 486a5cf2bb4SCornelia Huck ret = -EINVAL; 487a5cf2bb4SCornelia Huck break; 488a5cf2bb4SCornelia Huck } 489a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 490a5cf2bb4SCornelia Huck /* Can't execute command. */ 491a5cf2bb4SCornelia Huck ret = -EINVAL; 492a5cf2bb4SCornelia Huck break; 493a5cf2bb4SCornelia Huck } 494a5cf2bb4SCornelia Huck if (!ccw.cda) { 495a5cf2bb4SCornelia Huck ret = -EFAULT; 496a5cf2bb4SCornelia Huck } else { 49742874d3aSPeter Maydell status = address_space_ldub(&address_space_memory, ccw.cda, 49842874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 499b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 500b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 501b4436a0bSCornelia Huck } 5020b352fd6SCornelia Huck if (virtio_set_status(vdev, status) == 0) { 503f24a6840SPaolo Bonzini if (vdev->status == 0) { 504f24a6840SPaolo Bonzini virtio_reset(vdev); 505a5cf2bb4SCornelia Huck } 506b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 507b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 508b4436a0bSCornelia Huck } 509a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 510a5cf2bb4SCornelia Huck ret = 0; 5110b352fd6SCornelia Huck } else { 5120b352fd6SCornelia Huck /* Trigger a command reject. */ 5130b352fd6SCornelia Huck ret = -ENOSYS; 5140b352fd6SCornelia Huck } 515a5cf2bb4SCornelia Huck } 516a5cf2bb4SCornelia Huck break; 517a5cf2bb4SCornelia Huck case CCW_CMD_SET_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 } 5287e749462SCornelia Huck if (sch->thinint_active) { 5297e749462SCornelia Huck /* Trigger a command reject. */ 5307e749462SCornelia Huck ret = -ENOSYS; 5317e749462SCornelia Huck break; 5327e749462SCornelia Huck } 533d1db1fa8SCornelia Huck if (!ccw.cda) { 534a5cf2bb4SCornelia Huck ret = -EFAULT; 535a5cf2bb4SCornelia Huck } else { 53642874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 53742874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5387bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 539a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 540a5cf2bb4SCornelia Huck ret = 0; 541a5cf2bb4SCornelia Huck } 542a5cf2bb4SCornelia Huck break; 543a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 544a5cf2bb4SCornelia Huck if (check_len) { 545a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 546a5cf2bb4SCornelia Huck ret = -EINVAL; 547a5cf2bb4SCornelia Huck break; 548a5cf2bb4SCornelia Huck } 549a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 550a5cf2bb4SCornelia Huck /* Can't execute command. */ 551a5cf2bb4SCornelia Huck ret = -EINVAL; 552a5cf2bb4SCornelia Huck break; 553a5cf2bb4SCornelia Huck } 554d1db1fa8SCornelia Huck if (!ccw.cda) { 555a5cf2bb4SCornelia Huck ret = -EFAULT; 556a5cf2bb4SCornelia Huck } else { 55742874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 55842874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5597bca3892SCornelia Huck dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 560a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 561a5cf2bb4SCornelia Huck ret = 0; 562a5cf2bb4SCornelia Huck } 563a5cf2bb4SCornelia Huck break; 564a5cf2bb4SCornelia Huck case CCW_CMD_READ_VQ_CONF: 565a5cf2bb4SCornelia Huck if (check_len) { 566a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 567a5cf2bb4SCornelia Huck ret = -EINVAL; 568a5cf2bb4SCornelia Huck break; 569a5cf2bb4SCornelia Huck } 570a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 571a5cf2bb4SCornelia Huck /* Can't execute command. */ 572a5cf2bb4SCornelia Huck ret = -EINVAL; 573a5cf2bb4SCornelia Huck break; 574a5cf2bb4SCornelia Huck } 575a5cf2bb4SCornelia Huck if (!ccw.cda) { 576a5cf2bb4SCornelia Huck ret = -EFAULT; 577a5cf2bb4SCornelia Huck } else { 57842874d3aSPeter Maydell vq_config.index = address_space_lduw_be(&address_space_memory, 57942874d3aSPeter Maydell ccw.cda, 58042874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 58142874d3aSPeter Maydell NULL); 5828dfbaa6aSJason Wang if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) { 583d03a3630SCornelia Huck ret = -EINVAL; 584d03a3630SCornelia Huck break; 585d03a3630SCornelia Huck } 586f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 587a5cf2bb4SCornelia Huck vq_config.index); 58842874d3aSPeter Maydell address_space_stw_be(&address_space_memory, 58942874d3aSPeter Maydell ccw.cda + sizeof(vq_config.index), 59042874d3aSPeter Maydell vq_config.num_max, 59142874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 59242874d3aSPeter Maydell NULL); 593a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 594a5cf2bb4SCornelia Huck ret = 0; 595a5cf2bb4SCornelia Huck } 596a5cf2bb4SCornelia Huck break; 5977e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 5987e749462SCornelia Huck if (check_len) { 5997e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 6007e749462SCornelia Huck ret = -EINVAL; 6017e749462SCornelia Huck break; 6027e749462SCornelia Huck } 6037e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 6047e749462SCornelia Huck /* Can't execute command. */ 6057e749462SCornelia Huck ret = -EINVAL; 6067e749462SCornelia Huck break; 6077e749462SCornelia Huck } 6087e749462SCornelia Huck len = sizeof(*thinint); 6097e749462SCornelia Huck hw_len = len; 6107e749462SCornelia Huck if (!ccw.cda) { 6117e749462SCornelia Huck ret = -EFAULT; 6127e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 6137e749462SCornelia Huck /* Trigger a command reject. */ 6147e749462SCornelia Huck ret = -ENOSYS; 6157e749462SCornelia Huck } else { 6167e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 6177e749462SCornelia Huck if (!thinint) { 6187e749462SCornelia Huck ret = -EFAULT; 6197e749462SCornelia Huck } else { 6207d45285fSCornelia Huck uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 6217d45285fSCornelia Huck 6227e749462SCornelia Huck len = hw_len; 6237bca3892SCornelia Huck dev->summary_indicator = 6247d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->summary_indicator), 6257d45285fSCornelia Huck sizeof(uint8_t)); 6267d45285fSCornelia Huck dev->indicators = 6277d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->device_indicator), 6287d45285fSCornelia Huck ind_bit / 8 + 1); 6297e749462SCornelia Huck dev->thinint_isc = thinint->isc; 6307d45285fSCornelia Huck dev->routes.adapter.ind_offset = ind_bit; 631d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 6327e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 63303cf077aSCornelia Huck ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 63403cf077aSCornelia Huck dev->thinint_isc, true, false, 635d426d9fbSCornelia Huck &dev->routes.adapter.adapter_id); 63603cf077aSCornelia Huck assert(ret == 0); 6377bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 6387bca3892SCornelia Huck (dev->summary_indicator != NULL)); 6397e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 6407e749462SCornelia Huck ret = 0; 6417e749462SCornelia Huck } 6427e749462SCornelia Huck } 6437e749462SCornelia Huck break; 644a5cf2bb4SCornelia Huck default: 6458d034a6fSCornelia Huck ret = -ENOSYS; 646a5cf2bb4SCornelia Huck break; 647a5cf2bb4SCornelia Huck } 648a5cf2bb4SCornelia Huck return ret; 649a5cf2bb4SCornelia Huck } 650a5cf2bb4SCornelia Huck 6511fa75523SCornelia Huck static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) 652a5cf2bb4SCornelia Huck { 653a5cf2bb4SCornelia Huck unsigned int cssid = 0; 654a5cf2bb4SCornelia Huck unsigned int ssid = 0; 655a5cf2bb4SCornelia Huck unsigned int schid; 656a5cf2bb4SCornelia Huck unsigned int devno; 657a5cf2bb4SCornelia Huck bool have_devno = false; 658a5cf2bb4SCornelia Huck bool found = false; 659a5cf2bb4SCornelia Huck SubchDev *sch; 660a5cf2bb4SCornelia Huck int num; 6611fa75523SCornelia Huck Error *err = NULL; 6621fa75523SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 663a5cf2bb4SCornelia Huck 664a5cf2bb4SCornelia Huck sch = g_malloc0(sizeof(SubchDev)); 665a5cf2bb4SCornelia Huck 666a5cf2bb4SCornelia Huck sch->driver_data = dev; 667a5cf2bb4SCornelia Huck dev->sch = sch; 668a5cf2bb4SCornelia Huck 6697bca3892SCornelia Huck dev->indicators = NULL; 670a5cf2bb4SCornelia Huck 671a5cf2bb4SCornelia Huck /* Initialize subchannel structure. */ 672a5cf2bb4SCornelia Huck sch->channel_prog = 0x0; 673a5cf2bb4SCornelia Huck sch->last_cmd_valid = false; 6747e749462SCornelia Huck sch->thinint_active = false; 675a5cf2bb4SCornelia Huck /* 676a5cf2bb4SCornelia Huck * Use a device number if provided. Otherwise, fall back to subchannel 677a5cf2bb4SCornelia Huck * number. 678a5cf2bb4SCornelia Huck */ 679a5cf2bb4SCornelia Huck if (dev->bus_id) { 680a5cf2bb4SCornelia Huck num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno); 681a5cf2bb4SCornelia Huck if (num == 3) { 682a5cf2bb4SCornelia Huck if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) { 6835e5ced38SMarkus Armbruster error_setg(errp, "Invalid cssid or ssid: cssid %x, ssid %x", 684a5cf2bb4SCornelia Huck cssid, ssid); 685a5cf2bb4SCornelia Huck goto out_err; 686a5cf2bb4SCornelia Huck } 687a5cf2bb4SCornelia Huck /* Enforce use of virtual cssid. */ 688a5cf2bb4SCornelia Huck if (cssid != VIRTUAL_CSSID) { 6895e5ced38SMarkus Armbruster error_setg(errp, "cssid %x not valid for virtio devices", 6905e5ced38SMarkus Armbruster cssid); 691a5cf2bb4SCornelia Huck goto out_err; 692a5cf2bb4SCornelia Huck } 693a5cf2bb4SCornelia Huck if (css_devno_used(cssid, ssid, devno)) { 6945e5ced38SMarkus Armbruster error_setg(errp, "Device %x.%x.%04x already exists", 6955e5ced38SMarkus Armbruster cssid, ssid, devno); 696a5cf2bb4SCornelia Huck goto out_err; 697a5cf2bb4SCornelia Huck } 698a5cf2bb4SCornelia Huck sch->cssid = cssid; 699a5cf2bb4SCornelia Huck sch->ssid = ssid; 700a5cf2bb4SCornelia Huck sch->devno = devno; 701a5cf2bb4SCornelia Huck have_devno = true; 702a5cf2bb4SCornelia Huck } else { 7035e5ced38SMarkus Armbruster error_setg(errp, "Malformed devno parameter '%s'", dev->bus_id); 704a5cf2bb4SCornelia Huck goto out_err; 705a5cf2bb4SCornelia Huck } 706a5cf2bb4SCornelia Huck } 707a5cf2bb4SCornelia Huck 708a5cf2bb4SCornelia Huck /* Find the next free id. */ 709a5cf2bb4SCornelia Huck if (have_devno) { 710a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 711a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 712a5cf2bb4SCornelia Huck sch->schid = schid; 713a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 714a5cf2bb4SCornelia Huck found = true; 715a5cf2bb4SCornelia Huck break; 716a5cf2bb4SCornelia Huck } 717a5cf2bb4SCornelia Huck } 718a5cf2bb4SCornelia Huck if (!found) { 7195e5ced38SMarkus Armbruster error_setg(errp, "No free subchannel found for %x.%x.%04x", 7205e5ced38SMarkus Armbruster cssid, ssid, devno); 721a5cf2bb4SCornelia Huck goto out_err; 722a5cf2bb4SCornelia Huck } 723a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 724a5cf2bb4SCornelia Huck "user-configured"); 725a5cf2bb4SCornelia Huck } else { 726a5cf2bb4SCornelia Huck cssid = VIRTUAL_CSSID; 727a5cf2bb4SCornelia Huck for (ssid = 0; ssid <= MAX_SSID; ssid++) { 728a5cf2bb4SCornelia Huck for (schid = 0; schid <= MAX_SCHID; schid++) { 729a5cf2bb4SCornelia Huck if (!css_find_subch(1, cssid, ssid, schid)) { 730a5cf2bb4SCornelia Huck sch->cssid = cssid; 731a5cf2bb4SCornelia Huck sch->ssid = ssid; 732a5cf2bb4SCornelia Huck sch->schid = schid; 733a5cf2bb4SCornelia Huck devno = schid; 734a5cf2bb4SCornelia Huck /* 735a5cf2bb4SCornelia Huck * If the devno is already taken, look further in this 736a5cf2bb4SCornelia Huck * subchannel set. 737a5cf2bb4SCornelia Huck */ 738a5cf2bb4SCornelia Huck while (css_devno_used(cssid, ssid, devno)) { 739a5cf2bb4SCornelia Huck if (devno == MAX_SCHID) { 740a5cf2bb4SCornelia Huck devno = 0; 741a5cf2bb4SCornelia Huck } else if (devno == schid - 1) { 7425e5ced38SMarkus Armbruster error_setg(errp, "No free devno found"); 743a5cf2bb4SCornelia Huck goto out_err; 744a5cf2bb4SCornelia Huck } else { 745a5cf2bb4SCornelia Huck devno++; 746a5cf2bb4SCornelia Huck } 747a5cf2bb4SCornelia Huck } 748a5cf2bb4SCornelia Huck sch->devno = devno; 749a5cf2bb4SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, sch); 750a5cf2bb4SCornelia Huck found = true; 751a5cf2bb4SCornelia Huck break; 752a5cf2bb4SCornelia Huck } 753a5cf2bb4SCornelia Huck } 754a5cf2bb4SCornelia Huck if (found) { 755a5cf2bb4SCornelia Huck break; 756a5cf2bb4SCornelia Huck } 757a5cf2bb4SCornelia Huck } 758a5cf2bb4SCornelia Huck if (!found) { 7595e5ced38SMarkus Armbruster error_setg(errp, "Virtual channel subsystem is full!"); 760a5cf2bb4SCornelia Huck goto out_err; 761a5cf2bb4SCornelia Huck } 762a5cf2bb4SCornelia Huck trace_virtio_ccw_new_device(cssid, ssid, schid, devno, 763a5cf2bb4SCornelia Huck "auto-configured"); 764a5cf2bb4SCornelia Huck } 765a5cf2bb4SCornelia Huck 766a5cf2bb4SCornelia Huck /* Build initial schib. */ 767a5cf2bb4SCornelia Huck css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 768a5cf2bb4SCornelia Huck 769a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 770a5cf2bb4SCornelia Huck 771a5cf2bb4SCornelia Huck /* Build senseid data. */ 772a5cf2bb4SCornelia Huck memset(&sch->id, 0, sizeof(SenseId)); 773a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 774a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 7751fa75523SCornelia Huck 7761fa75523SCornelia Huck if (k->realize) { 7771fa75523SCornelia Huck k->realize(dev, &err); 7781fa75523SCornelia Huck } 7791fa75523SCornelia Huck if (err) { 7801fa75523SCornelia Huck error_propagate(errp, err); 7811fa75523SCornelia Huck css_subch_assign(cssid, ssid, schid, devno, NULL); 7821fa75523SCornelia Huck goto out_err; 7831fa75523SCornelia Huck } 7841fa75523SCornelia Huck 7855e5ced38SMarkus Armbruster return; 786a5cf2bb4SCornelia Huck 787a5cf2bb4SCornelia Huck out_err: 788a5cf2bb4SCornelia Huck dev->sch = NULL; 789a5cf2bb4SCornelia Huck g_free(sch); 790a5cf2bb4SCornelia Huck } 791a5cf2bb4SCornelia Huck 792a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 793a5cf2bb4SCornelia Huck { 794a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 795a5cf2bb4SCornelia Huck 796a5cf2bb4SCornelia Huck if (sch) { 797a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 798a5cf2bb4SCornelia Huck g_free(sch); 799a5cf2bb4SCornelia Huck } 8007bca3892SCornelia Huck if (dev->indicators) { 801d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 8027bca3892SCornelia Huck dev->indicators = NULL; 8037bca3892SCornelia Huck } 804a5cf2bb4SCornelia Huck return 0; 805a5cf2bb4SCornelia Huck } 806a5cf2bb4SCornelia Huck 8075e5ced38SMarkus Armbruster static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 808a5cf2bb4SCornelia Huck { 809800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 81089334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 81189334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8125e5ced38SMarkus Armbruster Error *err = NULL; 813a5cf2bb4SCornelia Huck 814800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 815800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 81689334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8175e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8185e5ced38SMarkus Armbruster if (err) { 8195e5ced38SMarkus Armbruster error_propagate(errp, err); 820a5cf2bb4SCornelia Huck } 821a5cf2bb4SCornelia Huck } 822a5cf2bb4SCornelia Huck 82389334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 824a5cf2bb4SCornelia Huck { 82589334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 826c8075cafSGonglei 827c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 828c8075cafSGonglei TYPE_VIRTIO_NET); 8290cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 8300cf63c3eSGonglei "bootindex", &error_abort); 831a5cf2bb4SCornelia Huck } 832a5cf2bb4SCornelia Huck 8335e5ced38SMarkus Armbruster static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 834a5cf2bb4SCornelia Huck { 8353400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 8363400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8375e5ced38SMarkus Armbruster Error *err = NULL; 8385e5ced38SMarkus Armbruster 8393400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8405e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8415e5ced38SMarkus Armbruster if (err) { 8425e5ced38SMarkus Armbruster error_propagate(errp, err); 843a5cf2bb4SCornelia Huck } 844a5cf2bb4SCornelia Huck } 845a5cf2bb4SCornelia Huck 8463400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 847a5cf2bb4SCornelia Huck { 8483400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 849c8075cafSGonglei 850c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 851c8075cafSGonglei TYPE_VIRTIO_BLK); 852467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 853467b3f33SStefan Hajnoczi &error_abort); 854aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 855aeb98ddcSGonglei "bootindex", &error_abort); 856a5cf2bb4SCornelia Huck } 857a5cf2bb4SCornelia Huck 8585e5ced38SMarkus Armbruster static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 859a5cf2bb4SCornelia Huck { 8606acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 8616acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 86280270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 8635e5ced38SMarkus Armbruster Error *err = NULL; 86480270a19SKONRAD Frederic char *bus_name; 86580270a19SKONRAD Frederic 86680270a19SKONRAD Frederic /* 86780270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 86880270a19SKONRAD Frederic * name as before. 86980270a19SKONRAD Frederic */ 87080270a19SKONRAD Frederic if (proxy->id) { 87180270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 87280270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 87380270a19SKONRAD Frederic g_free(bus_name); 87480270a19SKONRAD Frederic } 875a5cf2bb4SCornelia Huck 8766acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8775e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8785e5ced38SMarkus Armbruster if (err) { 8795e5ced38SMarkus Armbruster error_propagate(errp, err); 880a5cf2bb4SCornelia Huck } 881a5cf2bb4SCornelia Huck } 882a5cf2bb4SCornelia Huck 8836acf69cdSKONRAD Frederic 8846acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 885a5cf2bb4SCornelia Huck { 8866acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 887c8075cafSGonglei 888c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 889c8075cafSGonglei TYPE_VIRTIO_SERIAL); 890a5cf2bb4SCornelia Huck } 891a5cf2bb4SCornelia Huck 8925e5ced38SMarkus Armbruster static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 893a5cf2bb4SCornelia Huck { 89430bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 89530bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8965e5ced38SMarkus Armbruster Error *err = NULL; 897a5cf2bb4SCornelia Huck 89830bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8995e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9005e5ced38SMarkus Armbruster if (err) { 9015e5ced38SMarkus Armbruster error_propagate(errp, err); 902a5cf2bb4SCornelia Huck } 903a5cf2bb4SCornelia Huck } 904a5cf2bb4SCornelia Huck 90530bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 906a5cf2bb4SCornelia Huck { 90730bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 908ecfa60e3SShannon Zhao 909a6027b0fSDenis V. Lunev virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 910a6027b0fSDenis V. Lunev TYPE_VIRTIO_BALLOON); 911ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 912ecfa60e3SShannon Zhao "guest-stats", &error_abort); 913ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats-polling-interval", 914ecfa60e3SShannon Zhao OBJECT(&dev->vdev), 915ecfa60e3SShannon Zhao "guest-stats-polling-interval", &error_abort); 916a5cf2bb4SCornelia Huck } 917a5cf2bb4SCornelia Huck 9185e5ced38SMarkus Armbruster static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 919a5cf2bb4SCornelia Huck { 920c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 921c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9226f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 9235e5ced38SMarkus Armbruster Error *err = NULL; 9246f32a6b4SKONRAD Frederic char *bus_name; 9256f32a6b4SKONRAD Frederic 9266f32a6b4SKONRAD Frederic /* 9276f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 9286f32a6b4SKONRAD Frederic * name as before. 9296f32a6b4SKONRAD Frederic */ 9306f32a6b4SKONRAD Frederic if (qdev->id) { 9316f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 9326f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 9336f32a6b4SKONRAD Frederic g_free(bus_name); 9346f32a6b4SKONRAD Frederic } 935a5cf2bb4SCornelia Huck 936c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9375e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9385e5ced38SMarkus Armbruster if (err) { 9395e5ced38SMarkus Armbruster error_propagate(errp, err); 940a5cf2bb4SCornelia Huck } 941a5cf2bb4SCornelia Huck } 942a5cf2bb4SCornelia Huck 943c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 944a5cf2bb4SCornelia Huck { 945c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 946c8075cafSGonglei 947c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 948c8075cafSGonglei TYPE_VIRTIO_SCSI); 94919d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 95019d339f1SFam Zheng &error_abort); 951a5cf2bb4SCornelia Huck } 952a5cf2bb4SCornelia Huck 953ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 9545e5ced38SMarkus Armbruster static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 955ccf6916cSPaolo Bonzini { 956ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 957ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 9585e5ced38SMarkus Armbruster Error *err = NULL; 959ccf6916cSPaolo Bonzini 960ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9615e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9625e5ced38SMarkus Armbruster if (err) { 9635e5ced38SMarkus Armbruster error_propagate(errp, err); 964ccf6916cSPaolo Bonzini } 965ccf6916cSPaolo Bonzini } 966ccf6916cSPaolo Bonzini 967ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 968ccf6916cSPaolo Bonzini { 969ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 970c8075cafSGonglei 971c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 972c8075cafSGonglei TYPE_VHOST_SCSI); 973ccf6916cSPaolo Bonzini } 974ccf6916cSPaolo Bonzini #endif 975ccf6916cSPaolo Bonzini 9765e5ced38SMarkus Armbruster static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 9772362ecc5SCornelia Huck { 9782db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 9792db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9805e5ced38SMarkus Armbruster Error *err = NULL; 9812362ecc5SCornelia Huck 9822db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9835e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9845e5ced38SMarkus Armbruster if (err) { 9855e5ced38SMarkus Armbruster error_propagate(errp, err); 9865e5ced38SMarkus Armbruster return; 9872362ecc5SCornelia Huck } 9882362ecc5SCornelia Huck 9892db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 9905b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 9912db26d4cSKONRAD Frederic NULL); 9922362ecc5SCornelia Huck } 9932362ecc5SCornelia Huck 994a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 995a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 996a5cf2bb4SCornelia Huck */ 997a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 998a5cf2bb4SCornelia Huck { 999a5cf2bb4SCornelia Huck return container_of(d, VirtioCcwDevice, parent_obj); 1000a5cf2bb4SCornelia Huck } 1001a5cf2bb4SCornelia Huck 10027e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 10037e749462SCornelia Huck uint8_t to_be_set) 10047e749462SCornelia Huck { 10057e749462SCornelia Huck uint8_t ind_old, ind_new; 10067e749462SCornelia Huck hwaddr len = 1; 10077e749462SCornelia Huck uint8_t *ind_addr; 10087e749462SCornelia Huck 10097e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 10107e749462SCornelia Huck if (!ind_addr) { 10117e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 10127e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 10137e749462SCornelia Huck return -1; 10147e749462SCornelia Huck } 10157e749462SCornelia Huck do { 10167e749462SCornelia Huck ind_old = *ind_addr; 10177e749462SCornelia Huck ind_new = ind_old | to_be_set; 10187e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 10197e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 10207e749462SCornelia Huck 10217e749462SCornelia Huck return ind_old; 10227e749462SCornelia Huck } 10237e749462SCornelia Huck 1024a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 1025a5cf2bb4SCornelia Huck { 1026a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 1027a5cf2bb4SCornelia Huck SubchDev *sch = dev->sch; 1028a5cf2bb4SCornelia Huck uint64_t indicators; 1029a5cf2bb4SCornelia Huck 1030a5cf2bb4SCornelia Huck if (vector >= 128) { 1031a5cf2bb4SCornelia Huck return; 1032a5cf2bb4SCornelia Huck } 1033a5cf2bb4SCornelia Huck 10348dfbaa6aSJason Wang if (vector < VIRTIO_CCW_QUEUE_MAX) { 10357c486976SCornelia Huck if (!dev->indicators) { 10367c486976SCornelia Huck return; 10377c486976SCornelia Huck } 10387e749462SCornelia Huck if (sch->thinint_active) { 10397e749462SCornelia Huck /* 10407e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 10417e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 10427e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 10437e749462SCornelia Huck * endian notation. 10447e749462SCornelia Huck */ 1045d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 1046d426d9fbSCornelia Huck 10477bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 1048d426d9fbSCornelia Huck (ind_bit + vector) / 8, 1049d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 10507bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 10517e749462SCornelia Huck 0x01)) { 10527e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 10537e749462SCornelia Huck } 10547e749462SCornelia Huck } else { 105542874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 105642874d3aSPeter Maydell dev->indicators->addr, 105742874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 105842874d3aSPeter Maydell NULL); 105919380b1bSCornelia Huck indicators |= 1ULL << vector; 106042874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators->addr, 106142874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 10627e749462SCornelia Huck css_conditional_io_interrupt(sch); 10637e749462SCornelia Huck } 1064a5cf2bb4SCornelia Huck } else { 10657c486976SCornelia Huck if (!dev->indicators2) { 10667c486976SCornelia Huck return; 10677c486976SCornelia Huck } 1068a5cf2bb4SCornelia Huck vector = 0; 106942874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 107042874d3aSPeter Maydell dev->indicators2->addr, 107142874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 107242874d3aSPeter Maydell NULL); 107319380b1bSCornelia Huck indicators |= 1ULL << vector; 107442874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators2->addr, 107542874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1076a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 10777e749462SCornelia Huck } 1078a5cf2bb4SCornelia Huck } 1079a5cf2bb4SCornelia Huck 1080a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1081a5cf2bb4SCornelia Huck { 1082a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1083f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1084a5cf2bb4SCornelia Huck 1085b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1086f24a6840SPaolo Bonzini virtio_reset(vdev); 1087a5cf2bb4SCornelia Huck css_reset_sch(dev->sch); 10887bca3892SCornelia Huck if (dev->indicators) { 1089d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 10907bca3892SCornelia Huck dev->indicators = NULL; 10917bca3892SCornelia Huck } 10927bca3892SCornelia Huck if (dev->indicators2) { 1093d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 10947bca3892SCornelia Huck dev->indicators2 = NULL; 10957bca3892SCornelia Huck } 10967bca3892SCornelia Huck if (dev->summary_indicator) { 1097d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 10987bca3892SCornelia Huck dev->summary_indicator = NULL; 10997bca3892SCornelia Huck } 1100a5cf2bb4SCornelia Huck } 1101a5cf2bb4SCornelia Huck 1102b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1103b4436a0bSCornelia Huck { 1104b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1105b4436a0bSCornelia Huck 1106b4436a0bSCornelia Huck if (running) { 1107b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1108b4436a0bSCornelia Huck } else { 1109b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1110b4436a0bSCornelia Huck } 1111b4436a0bSCornelia Huck } 1112b4436a0bSCornelia Huck 1113320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1114320ce850SCornelia Huck { 1115320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1116320ce850SCornelia Huck 1117320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1118320ce850SCornelia Huck } 1119320ce850SCornelia Huck 1120320ce850SCornelia Huck static int virtio_ccw_set_host_notifier(DeviceState *d, int n, bool assign) 1121320ce850SCornelia Huck { 1122320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1123320ce850SCornelia Huck 1124320ce850SCornelia Huck /* Stop using the generic ioeventfd, we are doing eventfd handling 1125320ce850SCornelia Huck * ourselves below */ 1126320ce850SCornelia Huck dev->ioeventfd_disabled = assign; 1127320ce850SCornelia Huck if (assign) { 1128320ce850SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1129320ce850SCornelia Huck } 1130320ce850SCornelia Huck return virtio_ccw_set_guest2host_notifier(dev, n, assign, false); 1131320ce850SCornelia Huck } 1132320ce850SCornelia Huck 1133d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1134d426d9fbSCornelia Huck { 1135d426d9fbSCornelia Huck int r; 1136d426d9fbSCornelia Huck 1137d426d9fbSCornelia Huck if (!dev->sch->thinint_active) { 1138d426d9fbSCornelia Huck return -EINVAL; 1139d426d9fbSCornelia Huck } 1140d426d9fbSCornelia Huck 1141d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1142d426d9fbSCornelia Huck if (r) { 1143d426d9fbSCornelia Huck return r; 1144d426d9fbSCornelia Huck } 1145d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1146d426d9fbSCornelia Huck if (r) { 1147d426d9fbSCornelia Huck return r; 1148d426d9fbSCornelia Huck } 1149d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1150d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1151d426d9fbSCornelia Huck 1152d426d9fbSCornelia Huck return 0; 1153d426d9fbSCornelia Huck } 1154d426d9fbSCornelia Huck 1155d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1156d426d9fbSCornelia Huck { 1157d426d9fbSCornelia Huck int i; 1158d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1159d426d9fbSCornelia Huck int ret; 1160d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1161d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1162d426d9fbSCornelia Huck 1163d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1164d426d9fbSCornelia Huck if (ret) { 1165d426d9fbSCornelia Huck return ret; 1166d426d9fbSCornelia Huck } 1167d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1168d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1169d426d9fbSCornelia Huck break; 1170d426d9fbSCornelia Huck } 1171d426d9fbSCornelia Huck } 1172d426d9fbSCornelia Huck dev->routes.num_routes = i; 1173d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1174d426d9fbSCornelia Huck } 1175d426d9fbSCornelia Huck 1176d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1177d426d9fbSCornelia Huck { 1178d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1179d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1180d426d9fbSCornelia Huck 1181d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1182d426d9fbSCornelia Huck } 1183d426d9fbSCornelia Huck 1184d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1185d426d9fbSCornelia Huck { 1186d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1187d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1188d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1189d426d9fbSCornelia Huck 1190d426d9fbSCornelia Huck return kvm_irqchip_add_irqfd_notifier(kvm_state, notifier, NULL, 1191d426d9fbSCornelia Huck dev->routes.gsi[n]); 1192d426d9fbSCornelia Huck } 1193d426d9fbSCornelia Huck 1194d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1195d426d9fbSCornelia Huck { 1196d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1197d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1198d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1199d426d9fbSCornelia Huck int ret; 1200d426d9fbSCornelia Huck 1201d426d9fbSCornelia Huck ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, notifier, 1202d426d9fbSCornelia Huck dev->routes.gsi[n]); 1203d426d9fbSCornelia Huck assert(ret == 0); 1204d426d9fbSCornelia Huck } 1205d426d9fbSCornelia Huck 1206320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1207320ce850SCornelia Huck bool assign, bool with_irqfd) 1208320ce850SCornelia Huck { 1209f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1210f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1211320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1212f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1213320ce850SCornelia Huck 1214320ce850SCornelia Huck if (assign) { 1215320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1216320ce850SCornelia Huck 1217320ce850SCornelia Huck if (r < 0) { 1218320ce850SCornelia Huck return r; 1219320ce850SCornelia Huck } 1220320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1221d426d9fbSCornelia Huck if (with_irqfd) { 1222d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1223d426d9fbSCornelia Huck if (r) { 1224d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1225d426d9fbSCornelia Huck with_irqfd); 1226d426d9fbSCornelia Huck return r; 1227d426d9fbSCornelia Huck } 1228d426d9fbSCornelia Huck } 1229d426d9fbSCornelia Huck /* 1230d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1231d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1232320ce850SCornelia Huck */ 1233320ce850SCornelia Huck if (k->guest_notifier_mask) { 1234f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1235320ce850SCornelia Huck } 1236320ce850SCornelia Huck /* get lost events and re-inject */ 1237320ce850SCornelia Huck if (k->guest_notifier_pending && 1238f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1239320ce850SCornelia Huck event_notifier_set(notifier); 1240320ce850SCornelia Huck } 1241320ce850SCornelia Huck } else { 1242320ce850SCornelia Huck if (k->guest_notifier_mask) { 1243f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1244320ce850SCornelia Huck } 1245d426d9fbSCornelia Huck if (with_irqfd) { 1246d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1247d426d9fbSCornelia Huck } 1248320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1249320ce850SCornelia Huck event_notifier_cleanup(notifier); 1250320ce850SCornelia Huck } 1251320ce850SCornelia Huck return 0; 1252320ce850SCornelia Huck } 1253320ce850SCornelia Huck 1254320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1255320ce850SCornelia Huck bool assigned) 1256320ce850SCornelia Huck { 1257320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1258f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1259d426d9fbSCornelia Huck bool with_irqfd = dev->sch->thinint_active && kvm_irqfds_enabled(); 1260320ce850SCornelia Huck int r, n; 1261320ce850SCornelia Huck 1262d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1263d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1264d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1265d426d9fbSCornelia Huck if (r < 0) { 1266d426d9fbSCornelia Huck goto irqroute_error; 1267d426d9fbSCornelia Huck } 1268d426d9fbSCornelia Huck } 1269320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1270320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1271320ce850SCornelia Huck break; 1272320ce850SCornelia Huck } 1273d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1274320ce850SCornelia Huck if (r < 0) { 1275320ce850SCornelia Huck goto assign_error; 1276320ce850SCornelia Huck } 1277320ce850SCornelia Huck } 1278d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1279d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1280d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1281d426d9fbSCornelia Huck } 1282320ce850SCornelia Huck return 0; 1283320ce850SCornelia Huck 1284320ce850SCornelia Huck assign_error: 1285320ce850SCornelia Huck while (--n >= 0) { 1286320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1287320ce850SCornelia Huck } 1288d426d9fbSCornelia Huck irqroute_error: 1289d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1290d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1291d426d9fbSCornelia Huck } 1292320ce850SCornelia Huck return r; 1293320ce850SCornelia Huck } 1294320ce850SCornelia Huck 1295bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1296bcb2b582SJens Freimann { 1297bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1298bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1299bcb2b582SJens Freimann 1300bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1301bcb2b582SJens Freimann } 1302bcb2b582SJens Freimann 1303bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1304bcb2b582SJens Freimann { 1305bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1306bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1307bcb2b582SJens Freimann uint16_t vector; 1308bcb2b582SJens Freimann 1309bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1310bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1311bcb2b582SJens Freimann 1312bcb2b582SJens Freimann return 0; 1313bcb2b582SJens Freimann } 1314bcb2b582SJens Freimann 1315bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1316bcb2b582SJens Freimann { 1317bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1318bcb2b582SJens Freimann SubchDev *s = dev->sch; 13192a72ea5fSJason J. Herne VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1320bcb2b582SJens Freimann 1321bcb2b582SJens Freimann subch_device_save(s, f); 1322bcb2b582SJens Freimann if (dev->indicators != NULL) { 1323bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators->len); 1324bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators->addr); 1325bcb2b582SJens Freimann } else { 1326bcb2b582SJens Freimann qemu_put_be32(f, 0); 1327bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1328bcb2b582SJens Freimann } 1329bcb2b582SJens Freimann if (dev->indicators2 != NULL) { 1330bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators2->len); 1331bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators2->addr); 1332bcb2b582SJens Freimann } else { 1333bcb2b582SJens Freimann qemu_put_be32(f, 0); 1334bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1335bcb2b582SJens Freimann } 1336bcb2b582SJens Freimann if (dev->summary_indicator != NULL) { 1337bcb2b582SJens Freimann qemu_put_be32(f, dev->summary_indicator->len); 1338bcb2b582SJens Freimann qemu_put_be64(f, dev->summary_indicator->addr); 1339bcb2b582SJens Freimann } else { 1340bcb2b582SJens Freimann qemu_put_be32(f, 0); 1341bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1342bcb2b582SJens Freimann } 13432a72ea5fSJason J. Herne qemu_put_be16(f, vdev->config_vector); 1344bcb2b582SJens Freimann qemu_put_be64(f, dev->routes.adapter.ind_offset); 1345bcb2b582SJens Freimann qemu_put_byte(f, dev->thinint_isc); 1346bcb2b582SJens Freimann } 1347bcb2b582SJens Freimann 1348bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1349bcb2b582SJens Freimann { 1350bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1351bcb2b582SJens Freimann SubchDev *s = dev->sch; 13522a72ea5fSJason J. Herne VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1353bcb2b582SJens Freimann int len; 1354bcb2b582SJens Freimann 1355bcb2b582SJens Freimann s->driver_data = dev; 1356bcb2b582SJens Freimann subch_device_load(s, f); 1357bcb2b582SJens Freimann len = qemu_get_be32(f); 1358bcb2b582SJens Freimann if (len != 0) { 1359bcb2b582SJens Freimann dev->indicators = get_indicator(qemu_get_be64(f), len); 1360bcb2b582SJens Freimann } else { 1361bcb2b582SJens Freimann qemu_get_be64(f); 1362bcb2b582SJens Freimann dev->indicators = NULL; 1363bcb2b582SJens Freimann } 1364bcb2b582SJens Freimann len = qemu_get_be32(f); 1365bcb2b582SJens Freimann if (len != 0) { 1366bcb2b582SJens Freimann dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1367bcb2b582SJens Freimann } else { 1368bcb2b582SJens Freimann qemu_get_be64(f); 1369bcb2b582SJens Freimann dev->indicators2 = NULL; 1370bcb2b582SJens Freimann } 1371bcb2b582SJens Freimann len = qemu_get_be32(f); 1372bcb2b582SJens Freimann if (len != 0) { 1373bcb2b582SJens Freimann dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1374bcb2b582SJens Freimann } else { 1375bcb2b582SJens Freimann qemu_get_be64(f); 1376bcb2b582SJens Freimann dev->summary_indicator = NULL; 1377bcb2b582SJens Freimann } 13782a72ea5fSJason J. Herne qemu_get_be16s(f, &vdev->config_vector); 1379bcb2b582SJens Freimann dev->routes.adapter.ind_offset = qemu_get_be64(f); 1380bcb2b582SJens Freimann dev->thinint_isc = qemu_get_byte(f); 1381bcb2b582SJens Freimann if (s->thinint_active) { 1382bcb2b582SJens Freimann return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 1383bcb2b582SJens Freimann dev->thinint_isc, true, false, 1384bcb2b582SJens Freimann &dev->routes.adapter.adapter_id); 1385bcb2b582SJens Freimann } 1386bcb2b582SJens Freimann 1387bcb2b582SJens Freimann return 0; 1388bcb2b582SJens Freimann } 1389bcb2b582SJens Freimann 1390fb846a09SCornelia Huck /* This is called by virtio-bus just after the device is plugged. */ 1391e8398045SJason Wang static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) 1392fb846a09SCornelia Huck { 1393fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 139410ceaa1eSJason Wang VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1395fb846a09SCornelia Huck SubchDev *sch = dev->sch; 139610ceaa1eSJason Wang int n = virtio_get_num_queues(vdev); 139710ceaa1eSJason Wang 139810ceaa1eSJason Wang if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) { 139910ceaa1eSJason Wang error_setg(errp, "The nubmer of virtqueues %d " 140010ceaa1eSJason Wang "exceeds ccw limit %d", n, 140110ceaa1eSJason Wang VIRTIO_CCW_QUEUE_MAX); 140210ceaa1eSJason Wang return; 140310ceaa1eSJason Wang } 1404fb846a09SCornelia Huck 1405a499973fSAurelien Jarno if (!kvm_eventfds_enabled()) { 1406a499973fSAurelien Jarno dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 1407a499973fSAurelien Jarno } 1408a499973fSAurelien Jarno 1409fb846a09SCornelia Huck sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); 1410fb846a09SCornelia Huck 1411fb846a09SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1412fb846a09SCornelia Huck d->hotplugged, 1); 1413fb846a09SCornelia Huck } 1414fb846a09SCornelia Huck 1415fb846a09SCornelia Huck static void virtio_ccw_device_unplugged(DeviceState *d) 1416fb846a09SCornelia Huck { 1417fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1418fb846a09SCornelia Huck 1419fb846a09SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1420fb846a09SCornelia Huck } 1421a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1422a5cf2bb4SCornelia Huck 1423a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1424a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1425b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1426b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1427a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1428a5cf2bb4SCornelia Huck }; 1429a5cf2bb4SCornelia Huck 1430a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1431a5cf2bb4SCornelia Huck { 1432a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1433a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1434a5cf2bb4SCornelia Huck 14355e5ced38SMarkus Armbruster k->realize = virtio_ccw_net_realize; 143689334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1437a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1438a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1439cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 1440a5cf2bb4SCornelia Huck } 1441a5cf2bb4SCornelia Huck 1442a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 144389334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1444a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 144589334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 144689334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1447a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1448a5cf2bb4SCornelia Huck }; 1449a5cf2bb4SCornelia Huck 1450a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1451a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1452b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1453b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1454a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1455a5cf2bb4SCornelia Huck }; 1456a5cf2bb4SCornelia Huck 1457a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1458a5cf2bb4SCornelia Huck { 1459a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1460a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1461a5cf2bb4SCornelia Huck 14625e5ced38SMarkus Armbruster k->realize = virtio_ccw_blk_realize; 14633400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1464a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1465a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1466cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1467a5cf2bb4SCornelia Huck } 1468a5cf2bb4SCornelia Huck 1469a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14703400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1471a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14723400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14733400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1474a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1475a5cf2bb4SCornelia Huck }; 1476a5cf2bb4SCornelia Huck 1477a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1478a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1479b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1480b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1481a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1482a5cf2bb4SCornelia Huck }; 1483a5cf2bb4SCornelia Huck 1484a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1485a5cf2bb4SCornelia Huck { 1486a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1487a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1488a5cf2bb4SCornelia Huck 14895e5ced38SMarkus Armbruster k->realize = virtio_ccw_serial_realize; 14906acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1491a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1492a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1493cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 1494a5cf2bb4SCornelia Huck } 1495a5cf2bb4SCornelia Huck 1496a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 14976acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1498a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14996acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 15006acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1501a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1502a5cf2bb4SCornelia Huck }; 1503a5cf2bb4SCornelia Huck 1504a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1505a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1506b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1507b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1508a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1509a5cf2bb4SCornelia Huck }; 1510a5cf2bb4SCornelia Huck 1511a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1512a5cf2bb4SCornelia Huck { 1513a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1514a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1515a5cf2bb4SCornelia Huck 15165e5ced38SMarkus Armbruster k->realize = virtio_ccw_balloon_realize; 151730bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1518a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1519a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1520cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1521a5cf2bb4SCornelia Huck } 1522a5cf2bb4SCornelia Huck 1523a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 152430bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1525a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 152630bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 152730bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1528a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1529a5cf2bb4SCornelia Huck }; 1530a5cf2bb4SCornelia Huck 1531a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1532a5cf2bb4SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1533b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1534b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1535a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1536a5cf2bb4SCornelia Huck }; 1537a5cf2bb4SCornelia Huck 1538a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1539a5cf2bb4SCornelia Huck { 1540a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1541a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1542a5cf2bb4SCornelia Huck 15435e5ced38SMarkus Armbruster k->realize = virtio_ccw_scsi_realize; 1544c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1545a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1546a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1547cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1548a5cf2bb4SCornelia Huck } 1549a5cf2bb4SCornelia Huck 1550a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1551c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1552a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1553c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1554c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1555a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1556a5cf2bb4SCornelia Huck }; 1557a5cf2bb4SCornelia Huck 1558ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1559ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1560ccf6916cSPaolo Bonzini DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1561ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1562ccf6916cSPaolo Bonzini }; 1563ccf6916cSPaolo Bonzini 1564ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1565ccf6916cSPaolo Bonzini { 1566ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1567ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1568ccf6916cSPaolo Bonzini 15695e5ced38SMarkus Armbruster k->realize = vhost_ccw_scsi_realize; 1570ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1571ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1572ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1573cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1574ccf6916cSPaolo Bonzini } 1575ccf6916cSPaolo Bonzini 1576ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1577ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1578ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15794b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1580ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1581ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1582ccf6916cSPaolo Bonzini }; 1583ccf6916cSPaolo Bonzini #endif 1584ccf6916cSPaolo Bonzini 15852db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15862362ecc5SCornelia Huck { 15872db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1588c8075cafSGonglei 1589c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1590c8075cafSGonglei TYPE_VIRTIO_RNG); 1591cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1592cbd5ac69SPaolo Bonzini "rng", &error_abort); 15932362ecc5SCornelia Huck } 15942362ecc5SCornelia Huck 15952362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 15962362ecc5SCornelia Huck DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1597b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1598b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 15992362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 16002362ecc5SCornelia Huck }; 16012362ecc5SCornelia Huck 16022362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 16032362ecc5SCornelia Huck { 16042362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 16052362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 16062362ecc5SCornelia Huck 16075e5ced38SMarkus Armbruster k->realize = virtio_ccw_rng_realize; 16082db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 16092362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 16102362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 1611cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 16122362ecc5SCornelia Huck } 16132362ecc5SCornelia Huck 16142362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 16152db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 16162362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 16172db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 16182db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 16192362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 16202362ecc5SCornelia Huck }; 16212362ecc5SCornelia Huck 16225e5ced38SMarkus Armbruster static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1623a5cf2bb4SCornelia Huck { 1624a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1625a5cf2bb4SCornelia Huck 16261bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 16271fa75523SCornelia Huck virtio_ccw_device_realize(_dev, errp); 1628a5cf2bb4SCornelia Huck } 1629a5cf2bb4SCornelia Huck 1630a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1631a5cf2bb4SCornelia Huck { 1632a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1633a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1634a5cf2bb4SCornelia Huck 1635a5cf2bb4SCornelia Huck return _info->exit(_dev); 1636a5cf2bb4SCornelia Huck } 1637a5cf2bb4SCornelia Huck 1638277bc95eSIgor Mammedov static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1639277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1640a5cf2bb4SCornelia Huck { 1641a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1642a5cf2bb4SCornelia Huck SubchDev *sch = _dev->sch; 1643a5cf2bb4SCornelia Huck 16440b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 16450b81c1efSPaolo Bonzini 1646a5cf2bb4SCornelia Huck /* 1647a5cf2bb4SCornelia Huck * We should arrive here only for device_del, since we don't support 1648a5cf2bb4SCornelia Huck * direct hot(un)plug of channels, but only through virtio. 1649a5cf2bb4SCornelia Huck */ 1650a5cf2bb4SCornelia Huck assert(sch != NULL); 1651a5cf2bb4SCornelia Huck /* Subchannel is now disabled and no longer valid. */ 1652a5cf2bb4SCornelia Huck sch->curr_status.pmcw.flags &= ~(PMCW_FLAGS_MASK_ENA | 1653a5cf2bb4SCornelia Huck PMCW_FLAGS_MASK_DNV); 1654a5cf2bb4SCornelia Huck 1655a5cf2bb4SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0); 1656a5cf2bb4SCornelia Huck 165702a5c4c9SStefan Hajnoczi object_unparent(OBJECT(dev)); 1658a5cf2bb4SCornelia Huck } 1659a5cf2bb4SCornelia Huck 1660a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1661a5cf2bb4SCornelia Huck { 1662a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1663a5cf2bb4SCornelia Huck 16645e5ced38SMarkus Armbruster dc->realize = virtio_ccw_busdev_realize; 1665a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1666a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1667a5cf2bb4SCornelia Huck } 1668a5cf2bb4SCornelia Huck 1669a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1670a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1671a5cf2bb4SCornelia Huck .parent = TYPE_DEVICE, 1672a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1673a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1674a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1675a5cf2bb4SCornelia Huck .abstract = true, 1676a5cf2bb4SCornelia Huck }; 1677a5cf2bb4SCornelia Huck 1678a5cf2bb4SCornelia Huck /***************** Virtual-css Bus Bridge Device ********************/ 1679a5cf2bb4SCornelia Huck /* Only required to have the virtio bus as child in the system bus */ 1680a5cf2bb4SCornelia Huck 1681a5cf2bb4SCornelia Huck static int virtual_css_bridge_init(SysBusDevice *dev) 1682a5cf2bb4SCornelia Huck { 1683a5cf2bb4SCornelia Huck /* nothing */ 1684a5cf2bb4SCornelia Huck return 0; 1685a5cf2bb4SCornelia Huck } 1686a5cf2bb4SCornelia Huck 1687a5cf2bb4SCornelia Huck static void virtual_css_bridge_class_init(ObjectClass *klass, void *data) 1688a5cf2bb4SCornelia Huck { 1689a5cf2bb4SCornelia Huck SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1690277bc95eSIgor Mammedov HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); 1691cd20d616SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1692a5cf2bb4SCornelia Huck 1693a5cf2bb4SCornelia Huck k->init = virtual_css_bridge_init; 1694277bc95eSIgor Mammedov hc->unplug = virtio_ccw_busdev_unplug; 1695cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 1696a5cf2bb4SCornelia Huck } 1697a5cf2bb4SCornelia Huck 1698a5cf2bb4SCornelia Huck static const TypeInfo virtual_css_bridge_info = { 1699a5cf2bb4SCornelia Huck .name = "virtual-css-bridge", 1700a5cf2bb4SCornelia Huck .parent = TYPE_SYS_BUS_DEVICE, 1701a5cf2bb4SCornelia Huck .instance_size = sizeof(SysBusDevice), 1702a5cf2bb4SCornelia Huck .class_init = virtual_css_bridge_class_init, 1703277bc95eSIgor Mammedov .interfaces = (InterfaceInfo[]) { 1704277bc95eSIgor Mammedov { TYPE_HOTPLUG_HANDLER }, 1705277bc95eSIgor Mammedov { } 1706277bc95eSIgor Mammedov } 1707a5cf2bb4SCornelia Huck }; 1708a5cf2bb4SCornelia Huck 1709a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1710a5cf2bb4SCornelia Huck 17111bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 17121bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1713a5cf2bb4SCornelia Huck { 1714a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1715f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1716a5cf2bb4SCornelia Huck 1717fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1718fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1719a5cf2bb4SCornelia Huck } 1720a5cf2bb4SCornelia Huck 1721a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1722a5cf2bb4SCornelia Huck { 1723a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1724a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1725a5cf2bb4SCornelia Huck 1726a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1727a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1728b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1729320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1730320ce850SCornelia Huck k->set_host_notifier = virtio_ccw_set_host_notifier; 1731320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1732bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1733bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1734bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1735bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1736fb846a09SCornelia Huck k->device_plugged = virtio_ccw_device_plugged; 1737fb846a09SCornelia Huck k->device_unplugged = virtio_ccw_device_unplugged; 1738a5cf2bb4SCornelia Huck } 1739a5cf2bb4SCornelia Huck 1740a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1741a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1742a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1743a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1744a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1745a5cf2bb4SCornelia Huck }; 1746a5cf2bb4SCornelia Huck 1747de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1748de6a9218SPierre Morel static Property virtio_ccw_9p_properties[] = { 1749de6a9218SPierre Morel DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), 1750de6a9218SPierre Morel DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1751de6a9218SPierre Morel VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1752de6a9218SPierre Morel DEFINE_PROP_END_OF_LIST(), 1753de6a9218SPierre Morel }; 1754de6a9218SPierre Morel 1755de6a9218SPierre Morel static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1756de6a9218SPierre Morel { 1757de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev); 1758de6a9218SPierre Morel DeviceState *vdev = DEVICE(&dev->vdev); 1759de6a9218SPierre Morel Error *err = NULL; 1760de6a9218SPierre Morel 1761de6a9218SPierre Morel qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1762de6a9218SPierre Morel object_property_set_bool(OBJECT(vdev), true, "realized", &err); 1763de6a9218SPierre Morel if (err) { 1764de6a9218SPierre Morel error_propagate(errp, err); 1765de6a9218SPierre Morel } 1766de6a9218SPierre Morel } 1767de6a9218SPierre Morel 1768de6a9218SPierre Morel static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) 1769de6a9218SPierre Morel { 1770de6a9218SPierre Morel DeviceClass *dc = DEVICE_CLASS(klass); 1771de6a9218SPierre Morel VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1772de6a9218SPierre Morel 1773de6a9218SPierre Morel k->exit = virtio_ccw_exit; 1774de6a9218SPierre Morel k->realize = virtio_ccw_9p_realize; 1775de6a9218SPierre Morel dc->reset = virtio_ccw_reset; 1776de6a9218SPierre Morel dc->props = virtio_ccw_9p_properties; 1777de6a9218SPierre Morel set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1778de6a9218SPierre Morel } 1779de6a9218SPierre Morel 1780de6a9218SPierre Morel static void virtio_ccw_9p_instance_init(Object *obj) 1781de6a9218SPierre Morel { 1782de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(obj); 1783de6a9218SPierre Morel 1784de6a9218SPierre Morel virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1785de6a9218SPierre Morel TYPE_VIRTIO_9P); 1786de6a9218SPierre Morel } 1787de6a9218SPierre Morel 1788de6a9218SPierre Morel static const TypeInfo virtio_ccw_9p_info = { 1789de6a9218SPierre Morel .name = TYPE_VIRTIO_9P_CCW, 1790de6a9218SPierre Morel .parent = TYPE_VIRTIO_CCW_DEVICE, 1791de6a9218SPierre Morel .instance_size = sizeof(V9fsCCWState), 1792de6a9218SPierre Morel .instance_init = virtio_ccw_9p_instance_init, 1793de6a9218SPierre Morel .class_init = virtio_ccw_9p_class_init, 1794de6a9218SPierre Morel }; 1795de6a9218SPierre Morel #endif 1796de6a9218SPierre Morel 1797a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1798a5cf2bb4SCornelia Huck { 1799a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1800a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bus_info); 1801a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1802a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1803a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1804a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1805a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1806a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1807b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1808ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1809b702d2aeSEd Maste #endif 18102362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1811a5cf2bb4SCornelia Huck type_register_static(&virtual_css_bridge_info); 1812de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1813de6a9218SPierre Morel type_register_static(&virtio_ccw_9p_info); 1814de6a9218SPierre Morel #endif 1815a5cf2bb4SCornelia Huck } 1816a5cf2bb4SCornelia Huck 1817a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1818