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 139615495aSPeter Maydell #include "qemu/osdep.h" 14da34e65cSMarkus Armbruster #include "qapi/error.h" 15a5cf2bb4SCornelia Huck #include "hw/hw.h" 164be74634SMarkus Armbruster #include "sysemu/block-backend.h" 17a5cf2bb4SCornelia Huck #include "sysemu/blockdev.h" 18a5cf2bb4SCornelia Huck #include "sysemu/sysemu.h" 19bd3f16acSPaolo Bonzini #include "sysemu/kvm.h" 20a5cf2bb4SCornelia Huck #include "net/net.h" 210d09e41aSPaolo Bonzini #include "hw/virtio/virtio.h" 220d09e41aSPaolo Bonzini #include "hw/virtio/virtio-serial.h" 230d09e41aSPaolo Bonzini #include "hw/virtio/virtio-net.h" 24a5cf2bb4SCornelia Huck #include "hw/sysbus.h" 25a5cf2bb4SCornelia Huck #include "qemu/bitops.h" 26d49b6836SMarkus Armbruster #include "qemu/error-report.h" 27c42767f2SThomas Huth #include "hw/virtio/virtio-access.h" 280d09e41aSPaolo Bonzini #include "hw/virtio/virtio-bus.h" 29d426d9fbSCornelia Huck #include "hw/s390x/adapter.h" 30d426d9fbSCornelia Huck #include "hw/s390x/s390_flic.h" 31a5cf2bb4SCornelia Huck 32bd3f16acSPaolo Bonzini #include "hw/s390x/ioinst.h" 33bd3f16acSPaolo Bonzini #include "hw/s390x/css.h" 34a5cf2bb4SCornelia Huck #include "virtio-ccw.h" 35a5cf2bb4SCornelia Huck #include "trace.h" 36dd70bd0dSJing Liu #include "hw/s390x/css-bridge.h" 37a5cf2bb4SCornelia Huck 38797b6086SHalil Pasic #define NR_CLASSIC_INDICATOR_BITS 64 39797b6086SHalil Pasic 401bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 411bf4d7aaSAndreas Färber VirtioCcwDevice *dev); 42d51fcfacSKONRAD Frederic 43a5cf2bb4SCornelia Huck VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) 44a5cf2bb4SCornelia Huck { 45a5cf2bb4SCornelia Huck VirtIODevice *vdev = NULL; 46f24a6840SPaolo Bonzini VirtioCcwDevice *dev = sch->driver_data; 47a5cf2bb4SCornelia Huck 48f24a6840SPaolo Bonzini if (dev) { 49f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 50a5cf2bb4SCornelia Huck } 51a5cf2bb4SCornelia Huck return vdev; 52a5cf2bb4SCornelia Huck } 53a5cf2bb4SCornelia Huck 54b4436a0bSCornelia Huck static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) 55b4436a0bSCornelia Huck { 567c55f68aSCornelia Huck virtio_bus_start_ioeventfd(&dev->bus); 57b4436a0bSCornelia Huck } 58b4436a0bSCornelia Huck 59b4436a0bSCornelia Huck static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) 60b4436a0bSCornelia Huck { 617c55f68aSCornelia Huck virtio_bus_stop_ioeventfd(&dev->bus); 627c55f68aSCornelia Huck } 63b4436a0bSCornelia Huck 648e93cef1SPaolo Bonzini static bool virtio_ccw_ioeventfd_enabled(DeviceState *d) 657c55f68aSCornelia Huck { 667c55f68aSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 677c55f68aSCornelia Huck 688e93cef1SPaolo Bonzini return (dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) != 0; 697c55f68aSCornelia Huck } 707c55f68aSCornelia Huck 717c55f68aSCornelia Huck static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier, 727c55f68aSCornelia Huck int n, bool assign) 737c55f68aSCornelia Huck { 747c55f68aSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 75b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 76b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 777c55f68aSCornelia Huck uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; 787c55f68aSCornelia Huck 797c55f68aSCornelia Huck return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 80b4436a0bSCornelia Huck } 81b4436a0bSCornelia Huck 82a5cf2bb4SCornelia Huck /* Communication blocks used by several channel commands. */ 830db87e0dSCornelia Huck typedef struct VqInfoBlockLegacy { 84a5cf2bb4SCornelia Huck uint64_t queue; 85a5cf2bb4SCornelia Huck uint32_t align; 86a5cf2bb4SCornelia Huck uint16_t index; 87a5cf2bb4SCornelia Huck uint16_t num; 880db87e0dSCornelia Huck } QEMU_PACKED VqInfoBlockLegacy; 890db87e0dSCornelia Huck 900db87e0dSCornelia Huck typedef struct VqInfoBlock { 910db87e0dSCornelia Huck uint64_t desc; 920db87e0dSCornelia Huck uint32_t res0; 930db87e0dSCornelia Huck uint16_t index; 940db87e0dSCornelia Huck uint16_t num; 950db87e0dSCornelia Huck uint64_t avail; 960db87e0dSCornelia Huck uint64_t used; 97a5cf2bb4SCornelia Huck } QEMU_PACKED VqInfoBlock; 98a5cf2bb4SCornelia Huck 99a5cf2bb4SCornelia Huck typedef struct VqConfigBlock { 100a5cf2bb4SCornelia Huck uint16_t index; 101a5cf2bb4SCornelia Huck uint16_t num_max; 102a5cf2bb4SCornelia Huck } QEMU_PACKED VqConfigBlock; 103a5cf2bb4SCornelia Huck 104a5cf2bb4SCornelia Huck typedef struct VirtioFeatDesc { 105a5cf2bb4SCornelia Huck uint32_t features; 106a5cf2bb4SCornelia Huck uint8_t index; 107a5cf2bb4SCornelia Huck } QEMU_PACKED VirtioFeatDesc; 108a5cf2bb4SCornelia Huck 1097e749462SCornelia Huck typedef struct VirtioThinintInfo { 1107e749462SCornelia Huck hwaddr summary_indicator; 1117e749462SCornelia Huck hwaddr device_indicator; 1127e749462SCornelia Huck uint64_t ind_bit; 1137e749462SCornelia Huck uint8_t isc; 1147e749462SCornelia Huck } QEMU_PACKED VirtioThinintInfo; 1157e749462SCornelia Huck 116c42767f2SThomas Huth typedef struct VirtioRevInfo { 117c42767f2SThomas Huth uint16_t revision; 118c42767f2SThomas Huth uint16_t length; 119c42767f2SThomas Huth uint8_t data[0]; 120c42767f2SThomas Huth } QEMU_PACKED VirtioRevInfo; 121c42767f2SThomas Huth 122a5cf2bb4SCornelia Huck /* Specify where the virtqueues for the subchannel are in guest memory. */ 1230db87e0dSCornelia Huck static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info, 1240db87e0dSCornelia Huck VqInfoBlockLegacy *linfo) 125a5cf2bb4SCornelia Huck { 126f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 1270db87e0dSCornelia Huck uint16_t index = info ? info->index : linfo->index; 1280db87e0dSCornelia Huck uint16_t num = info ? info->num : linfo->num; 1290db87e0dSCornelia Huck uint64_t desc = info ? info->desc : linfo->queue; 130a5cf2bb4SCornelia Huck 1318dfbaa6aSJason Wang if (index >= VIRTIO_CCW_QUEUE_MAX) { 132a5cf2bb4SCornelia Huck return -EINVAL; 133a5cf2bb4SCornelia Huck } 134a5cf2bb4SCornelia Huck 135a5cf2bb4SCornelia Huck /* Current code in virtio.c relies on 4K alignment. */ 1360db87e0dSCornelia Huck if (linfo && desc && (linfo->align != 4096)) { 137a5cf2bb4SCornelia Huck return -EINVAL; 138a5cf2bb4SCornelia Huck } 139a5cf2bb4SCornelia Huck 140f24a6840SPaolo Bonzini if (!vdev) { 141a5cf2bb4SCornelia Huck return -EINVAL; 142a5cf2bb4SCornelia Huck } 143a5cf2bb4SCornelia Huck 1440db87e0dSCornelia Huck if (info) { 1450db87e0dSCornelia Huck virtio_queue_set_rings(vdev, index, desc, info->avail, info->used); 1460db87e0dSCornelia Huck } else { 1470db87e0dSCornelia Huck virtio_queue_set_addr(vdev, index, desc); 1480db87e0dSCornelia Huck } 1490db87e0dSCornelia Huck if (!desc) { 150955cc8c9SJason Wang virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); 151a5cf2bb4SCornelia Huck } else { 15279cd0c80SCornelia Huck if (info) { 15379cd0c80SCornelia Huck /* virtio-1 allows changing the ring size. */ 1548c797e75SMichael S. Tsirkin if (virtio_queue_get_max_num(vdev, index) < num) { 15579cd0c80SCornelia Huck /* Fail if we exceed the maximum number. */ 156a5cf2bb4SCornelia Huck return -EINVAL; 157a5cf2bb4SCornelia Huck } 15879cd0c80SCornelia Huck virtio_queue_set_num(vdev, index, num); 15979cd0c80SCornelia Huck } else if (virtio_queue_get_num(vdev, index) > num) { 16079cd0c80SCornelia Huck /* Fail if we don't have a big enough queue. */ 16179cd0c80SCornelia Huck return -EINVAL; 16279cd0c80SCornelia Huck } 16379cd0c80SCornelia Huck /* We ignore possible increased num for legacy for compatibility. */ 164f24a6840SPaolo Bonzini virtio_queue_set_vector(vdev, index, index); 165a5cf2bb4SCornelia Huck } 166a5cf2bb4SCornelia Huck /* tell notify handler in case of config change */ 1678dfbaa6aSJason Wang vdev->config_vector = VIRTIO_CCW_QUEUE_MAX; 168a5cf2bb4SCornelia Huck return 0; 169a5cf2bb4SCornelia Huck } 170a5cf2bb4SCornelia Huck 171fa8b0ca5SCornelia Huck static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev) 172fa8b0ca5SCornelia Huck { 173b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 174b804e8a6SJing Liu 175fa8b0ca5SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 176fa8b0ca5SCornelia Huck virtio_reset(vdev); 177fa8b0ca5SCornelia Huck if (dev->indicators) { 178fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 179fa8b0ca5SCornelia Huck dev->indicators = NULL; 180fa8b0ca5SCornelia Huck } 181fa8b0ca5SCornelia Huck if (dev->indicators2) { 182fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 183fa8b0ca5SCornelia Huck dev->indicators2 = NULL; 184fa8b0ca5SCornelia Huck } 185fa8b0ca5SCornelia Huck if (dev->summary_indicator) { 186fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 187fa8b0ca5SCornelia Huck dev->summary_indicator = NULL; 188fa8b0ca5SCornelia Huck } 189b804e8a6SJing Liu ccw_dev->sch->thinint_active = false; 190fa8b0ca5SCornelia Huck } 191fa8b0ca5SCornelia Huck 1920db87e0dSCornelia Huck static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len, 1930db87e0dSCornelia Huck bool is_legacy) 194a5cf2bb4SCornelia Huck { 195a5cf2bb4SCornelia Huck int ret; 196a5cf2bb4SCornelia Huck VqInfoBlock info; 1970db87e0dSCornelia Huck VqInfoBlockLegacy linfo; 1980db87e0dSCornelia Huck size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info); 1990db87e0dSCornelia Huck 2000db87e0dSCornelia Huck if (check_len) { 2010db87e0dSCornelia Huck if (ccw.count != info_len) { 2020db87e0dSCornelia Huck return -EINVAL; 2030db87e0dSCornelia Huck } 2040db87e0dSCornelia Huck } else if (ccw.count < info_len) { 2050db87e0dSCornelia Huck /* Can't execute command. */ 2060db87e0dSCornelia Huck return -EINVAL; 2070db87e0dSCornelia Huck } 2080db87e0dSCornelia Huck if (!ccw.cda) { 2090db87e0dSCornelia Huck return -EFAULT; 2100db87e0dSCornelia Huck } 2110db87e0dSCornelia Huck if (is_legacy) { 2120db87e0dSCornelia Huck linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda, 2130db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2140db87e0dSCornelia Huck linfo.align = address_space_ldl_be(&address_space_memory, 2150db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue), 2160db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 2170db87e0dSCornelia Huck NULL); 2180db87e0dSCornelia Huck linfo.index = address_space_lduw_be(&address_space_memory, 2190db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue) 2200db87e0dSCornelia Huck + sizeof(linfo.align), 2210db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 2220db87e0dSCornelia Huck NULL); 2230db87e0dSCornelia Huck linfo.num = address_space_lduw_be(&address_space_memory, 2240db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue) 2250db87e0dSCornelia Huck + sizeof(linfo.align) 2260db87e0dSCornelia Huck + sizeof(linfo.index), 2270db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 2280db87e0dSCornelia Huck NULL); 2290db87e0dSCornelia Huck ret = virtio_ccw_set_vqs(sch, NULL, &linfo); 2300db87e0dSCornelia Huck } else { 2310db87e0dSCornelia Huck info.desc = address_space_ldq_be(&address_space_memory, ccw.cda, 2320db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2330db87e0dSCornelia Huck info.index = address_space_lduw_be(&address_space_memory, 2340db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 2350db87e0dSCornelia Huck + sizeof(info.res0), 2360db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2370db87e0dSCornelia Huck info.num = address_space_lduw_be(&address_space_memory, 2380db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 2390db87e0dSCornelia Huck + sizeof(info.res0) 2400db87e0dSCornelia Huck + sizeof(info.index), 2410db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2420db87e0dSCornelia Huck info.avail = address_space_ldq_be(&address_space_memory, 2430db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 2440db87e0dSCornelia Huck + sizeof(info.res0) 2450db87e0dSCornelia Huck + sizeof(info.index) 2460db87e0dSCornelia Huck + sizeof(info.num), 2470db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2480db87e0dSCornelia Huck info.used = address_space_ldq_be(&address_space_memory, 2490db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 2500db87e0dSCornelia Huck + sizeof(info.res0) 2510db87e0dSCornelia Huck + sizeof(info.index) 2520db87e0dSCornelia Huck + sizeof(info.num) 2530db87e0dSCornelia Huck + sizeof(info.avail), 2540db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2550db87e0dSCornelia Huck ret = virtio_ccw_set_vqs(sch, &info, NULL); 2560db87e0dSCornelia Huck } 2570db87e0dSCornelia Huck sch->curr_status.scsw.count = 0; 2580db87e0dSCornelia Huck return ret; 2590db87e0dSCornelia Huck } 2600db87e0dSCornelia Huck 2610db87e0dSCornelia Huck static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) 2620db87e0dSCornelia Huck { 2630db87e0dSCornelia Huck int ret; 264c42767f2SThomas Huth VirtioRevInfo revinfo; 265a5cf2bb4SCornelia Huck uint8_t status; 266a5cf2bb4SCornelia Huck VirtioFeatDesc features; 267a5cf2bb4SCornelia Huck void *config; 268a5cf2bb4SCornelia Huck hwaddr indicators; 269a5cf2bb4SCornelia Huck VqConfigBlock vq_config; 270a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = sch->driver_data; 271f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 272a5cf2bb4SCornelia Huck bool check_len; 273a5cf2bb4SCornelia Huck int len; 274a5cf2bb4SCornelia Huck hwaddr hw_len; 2757e749462SCornelia Huck VirtioThinintInfo *thinint; 276a5cf2bb4SCornelia Huck 277a5cf2bb4SCornelia Huck if (!dev) { 278a5cf2bb4SCornelia Huck return -EINVAL; 279a5cf2bb4SCornelia Huck } 280a5cf2bb4SCornelia Huck 281a5cf2bb4SCornelia Huck trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, 282a5cf2bb4SCornelia Huck ccw.cmd_code); 283a5cf2bb4SCornelia Huck check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); 284a5cf2bb4SCornelia Huck 28547e13dfdSHalil Pasic if (dev->force_revision_1 && dev->revision < 0 && 28647e13dfdSHalil Pasic ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) { 28747e13dfdSHalil Pasic /* 28847e13dfdSHalil Pasic * virtio-1 drivers must start with negotiating to a revision >= 1, 28947e13dfdSHalil Pasic * so post a command reject for all other commands 29047e13dfdSHalil Pasic */ 29147e13dfdSHalil Pasic return -ENOSYS; 29247e13dfdSHalil Pasic } 29347e13dfdSHalil Pasic 294a5cf2bb4SCornelia Huck /* Look at the command. */ 295a5cf2bb4SCornelia Huck switch (ccw.cmd_code) { 296a5cf2bb4SCornelia Huck case CCW_CMD_SET_VQ: 2970db87e0dSCornelia Huck ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1); 298a5cf2bb4SCornelia Huck break; 299a5cf2bb4SCornelia Huck case CCW_CMD_VDEV_RESET: 300fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 301a5cf2bb4SCornelia Huck ret = 0; 302a5cf2bb4SCornelia Huck break; 303a5cf2bb4SCornelia Huck case CCW_CMD_READ_FEAT: 304a5cf2bb4SCornelia Huck if (check_len) { 305a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 306a5cf2bb4SCornelia Huck ret = -EINVAL; 307a5cf2bb4SCornelia Huck break; 308a5cf2bb4SCornelia Huck } 309a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 310a5cf2bb4SCornelia Huck /* Can't execute command. */ 311a5cf2bb4SCornelia Huck ret = -EINVAL; 312a5cf2bb4SCornelia Huck break; 313a5cf2bb4SCornelia Huck } 314a5cf2bb4SCornelia Huck if (!ccw.cda) { 315a5cf2bb4SCornelia Huck ret = -EFAULT; 316a5cf2bb4SCornelia Huck } else { 3179b706dbbSMichael S. Tsirkin VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); 3189b706dbbSMichael S. Tsirkin 31942874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 32042874d3aSPeter Maydell ccw.cda 32142874d3aSPeter Maydell + sizeof(features.features), 32242874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 32342874d3aSPeter Maydell NULL); 3246b8f1020SCornelia Huck if (features.index == 0) { 325542571d5SCornelia Huck if (dev->revision >= 1) { 326542571d5SCornelia Huck /* Don't offer legacy features for modern devices. */ 327542571d5SCornelia Huck features.features = (uint32_t) 3289b706dbbSMichael S. Tsirkin (vdev->host_features & ~vdc->legacy_features); 329542571d5SCornelia Huck } else { 330c42767f2SThomas Huth features.features = (uint32_t)vdev->host_features; 331542571d5SCornelia Huck } 332b4f8f9dfSCornelia Huck } else if ((features.index == 1) && (dev->revision >= 1)) { 333c42767f2SThomas Huth /* 334b4f8f9dfSCornelia Huck * Only offer feature bits beyond 31 if the guest has 335b4f8f9dfSCornelia Huck * negotiated at least revision 1. 336c42767f2SThomas Huth */ 337b4f8f9dfSCornelia Huck features.features = (uint32_t)(vdev->host_features >> 32); 338a5cf2bb4SCornelia Huck } else { 339a5cf2bb4SCornelia Huck /* Return zeroes if the guest supports more feature bits. */ 340a5cf2bb4SCornelia Huck features.features = 0; 341a5cf2bb4SCornelia Huck } 34242874d3aSPeter Maydell address_space_stl_le(&address_space_memory, ccw.cda, 34342874d3aSPeter Maydell features.features, MEMTXATTRS_UNSPECIFIED, 34442874d3aSPeter Maydell NULL); 345a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 346a5cf2bb4SCornelia Huck ret = 0; 347a5cf2bb4SCornelia Huck } 348a5cf2bb4SCornelia Huck break; 349a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_FEAT: 350a5cf2bb4SCornelia Huck if (check_len) { 351a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 352a5cf2bb4SCornelia Huck ret = -EINVAL; 353a5cf2bb4SCornelia Huck break; 354a5cf2bb4SCornelia Huck } 355a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 356a5cf2bb4SCornelia Huck /* Can't execute command. */ 357a5cf2bb4SCornelia Huck ret = -EINVAL; 358a5cf2bb4SCornelia Huck break; 359a5cf2bb4SCornelia Huck } 360a5cf2bb4SCornelia Huck if (!ccw.cda) { 361a5cf2bb4SCornelia Huck ret = -EFAULT; 362a5cf2bb4SCornelia Huck } else { 36342874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 36442874d3aSPeter Maydell ccw.cda 36542874d3aSPeter Maydell + sizeof(features.features), 36642874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 36742874d3aSPeter Maydell NULL); 36842874d3aSPeter Maydell features.features = address_space_ldl_le(&address_space_memory, 36942874d3aSPeter Maydell ccw.cda, 37042874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 37142874d3aSPeter Maydell NULL); 3726b8f1020SCornelia Huck if (features.index == 0) { 373c42767f2SThomas Huth virtio_set_features(vdev, 374c42767f2SThomas Huth (vdev->guest_features & 0xffffffff00000000ULL) | 375c42767f2SThomas Huth features.features); 376b4f8f9dfSCornelia Huck } else if ((features.index == 1) && (dev->revision >= 1)) { 377c42767f2SThomas Huth /* 378b4f8f9dfSCornelia Huck * If the guest did not negotiate at least revision 1, 379b4f8f9dfSCornelia Huck * we did not offer it any feature bits beyond 31. Such a 380b4f8f9dfSCornelia Huck * guest passing us any bit here is therefore buggy. 381c42767f2SThomas Huth */ 382c42767f2SThomas Huth virtio_set_features(vdev, 383c42767f2SThomas Huth (vdev->guest_features & 0x00000000ffffffffULL) | 384c42767f2SThomas Huth ((uint64_t)features.features << 32)); 385a5cf2bb4SCornelia Huck } else { 386a5cf2bb4SCornelia Huck /* 387a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 388a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 389a5cf2bb4SCornelia Huck */ 390a5cf2bb4SCornelia Huck if (features.features) { 391a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 392a5cf2bb4SCornelia Huck features.index, features.features); 393a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 394a5cf2bb4SCornelia Huck } 395a5cf2bb4SCornelia Huck } 396a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 397a5cf2bb4SCornelia Huck ret = 0; 398a5cf2bb4SCornelia Huck } 399a5cf2bb4SCornelia Huck break; 400a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 401a5cf2bb4SCornelia Huck if (check_len) { 402f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 403a5cf2bb4SCornelia Huck ret = -EINVAL; 404a5cf2bb4SCornelia Huck break; 405a5cf2bb4SCornelia Huck } 406a5cf2bb4SCornelia Huck } 407f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 408a5cf2bb4SCornelia Huck if (!ccw.cda) { 409a5cf2bb4SCornelia Huck ret = -EFAULT; 410a5cf2bb4SCornelia Huck } else { 411f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 412a5cf2bb4SCornelia Huck /* XXX config space endianness */ 413f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 414a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 415a5cf2bb4SCornelia Huck ret = 0; 416a5cf2bb4SCornelia Huck } 417a5cf2bb4SCornelia Huck break; 418a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_CONF: 419a5cf2bb4SCornelia Huck if (check_len) { 420f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 421a5cf2bb4SCornelia Huck ret = -EINVAL; 422a5cf2bb4SCornelia Huck break; 423a5cf2bb4SCornelia Huck } 424a5cf2bb4SCornelia Huck } 425f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 426a5cf2bb4SCornelia Huck hw_len = len; 427a5cf2bb4SCornelia Huck if (!ccw.cda) { 428a5cf2bb4SCornelia Huck ret = -EFAULT; 429a5cf2bb4SCornelia Huck } else { 430a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 431a5cf2bb4SCornelia Huck if (!config) { 432a5cf2bb4SCornelia Huck ret = -EFAULT; 433a5cf2bb4SCornelia Huck } else { 434a5cf2bb4SCornelia Huck len = hw_len; 435a5cf2bb4SCornelia Huck /* XXX config space endianness */ 436f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 437a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 438f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 439a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 440a5cf2bb4SCornelia Huck ret = 0; 441a5cf2bb4SCornelia Huck } 442a5cf2bb4SCornelia Huck } 443a5cf2bb4SCornelia Huck break; 444e32652f7SPierre Morel case CCW_CMD_READ_STATUS: 445e32652f7SPierre Morel if (check_len) { 446e32652f7SPierre Morel if (ccw.count != sizeof(status)) { 447e32652f7SPierre Morel ret = -EINVAL; 448e32652f7SPierre Morel break; 449e32652f7SPierre Morel } 450e32652f7SPierre Morel } else if (ccw.count < sizeof(status)) { 451e32652f7SPierre Morel /* Can't execute command. */ 452e32652f7SPierre Morel ret = -EINVAL; 453e32652f7SPierre Morel break; 454e32652f7SPierre Morel } 455e32652f7SPierre Morel if (!ccw.cda) { 456e32652f7SPierre Morel ret = -EFAULT; 457e32652f7SPierre Morel } else { 458e32652f7SPierre Morel address_space_stb(&address_space_memory, ccw.cda, vdev->status, 459e32652f7SPierre Morel MEMTXATTRS_UNSPECIFIED, NULL); 460e32652f7SPierre Morel sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);; 461e32652f7SPierre Morel ret = 0; 462e32652f7SPierre Morel } 463e32652f7SPierre Morel break; 464a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 465a5cf2bb4SCornelia Huck if (check_len) { 466a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 467a5cf2bb4SCornelia Huck ret = -EINVAL; 468a5cf2bb4SCornelia Huck break; 469a5cf2bb4SCornelia Huck } 470a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 471a5cf2bb4SCornelia Huck /* Can't execute command. */ 472a5cf2bb4SCornelia Huck ret = -EINVAL; 473a5cf2bb4SCornelia Huck break; 474a5cf2bb4SCornelia Huck } 475a5cf2bb4SCornelia Huck if (!ccw.cda) { 476a5cf2bb4SCornelia Huck ret = -EFAULT; 477a5cf2bb4SCornelia Huck } else { 47842874d3aSPeter Maydell status = address_space_ldub(&address_space_memory, ccw.cda, 47942874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 480b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 481b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 482b4436a0bSCornelia Huck } 4830b352fd6SCornelia Huck if (virtio_set_status(vdev, status) == 0) { 484f24a6840SPaolo Bonzini if (vdev->status == 0) { 485fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 486a5cf2bb4SCornelia Huck } 487b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 488b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 489b4436a0bSCornelia Huck } 490a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 491a5cf2bb4SCornelia Huck ret = 0; 4920b352fd6SCornelia Huck } else { 4930b352fd6SCornelia Huck /* Trigger a command reject. */ 4940b352fd6SCornelia Huck ret = -ENOSYS; 4950b352fd6SCornelia Huck } 496a5cf2bb4SCornelia Huck } 497a5cf2bb4SCornelia Huck break; 498a5cf2bb4SCornelia Huck case CCW_CMD_SET_IND: 499a5cf2bb4SCornelia Huck if (check_len) { 500a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 501a5cf2bb4SCornelia Huck ret = -EINVAL; 502a5cf2bb4SCornelia Huck break; 503a5cf2bb4SCornelia Huck } 504a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 505a5cf2bb4SCornelia Huck /* Can't execute command. */ 506a5cf2bb4SCornelia Huck ret = -EINVAL; 507a5cf2bb4SCornelia Huck break; 508a5cf2bb4SCornelia Huck } 5097e749462SCornelia Huck if (sch->thinint_active) { 5107e749462SCornelia Huck /* Trigger a command reject. */ 5117e749462SCornelia Huck ret = -ENOSYS; 5127e749462SCornelia Huck break; 5137e749462SCornelia Huck } 514797b6086SHalil Pasic if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) { 515797b6086SHalil Pasic /* More queues than indicator bits --> trigger a reject */ 516797b6086SHalil Pasic ret = -ENOSYS; 517797b6086SHalil Pasic break; 518797b6086SHalil Pasic } 519d1db1fa8SCornelia Huck if (!ccw.cda) { 520a5cf2bb4SCornelia Huck ret = -EFAULT; 521a5cf2bb4SCornelia Huck } else { 52242874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 52342874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5247bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 525a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 526a5cf2bb4SCornelia Huck ret = 0; 527a5cf2bb4SCornelia Huck } 528a5cf2bb4SCornelia Huck break; 529a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 530a5cf2bb4SCornelia Huck if (check_len) { 531a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 532a5cf2bb4SCornelia Huck ret = -EINVAL; 533a5cf2bb4SCornelia Huck break; 534a5cf2bb4SCornelia Huck } 535a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 536a5cf2bb4SCornelia Huck /* Can't execute command. */ 537a5cf2bb4SCornelia Huck ret = -EINVAL; 538a5cf2bb4SCornelia Huck break; 539a5cf2bb4SCornelia Huck } 540d1db1fa8SCornelia Huck if (!ccw.cda) { 541a5cf2bb4SCornelia Huck ret = -EFAULT; 542a5cf2bb4SCornelia Huck } else { 54342874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 54442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 5457bca3892SCornelia Huck dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 546a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 547a5cf2bb4SCornelia Huck ret = 0; 548a5cf2bb4SCornelia Huck } 549a5cf2bb4SCornelia Huck break; 550a5cf2bb4SCornelia Huck case CCW_CMD_READ_VQ_CONF: 551a5cf2bb4SCornelia Huck if (check_len) { 552a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 553a5cf2bb4SCornelia Huck ret = -EINVAL; 554a5cf2bb4SCornelia Huck break; 555a5cf2bb4SCornelia Huck } 556a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 557a5cf2bb4SCornelia Huck /* Can't execute command. */ 558a5cf2bb4SCornelia Huck ret = -EINVAL; 559a5cf2bb4SCornelia Huck break; 560a5cf2bb4SCornelia Huck } 561a5cf2bb4SCornelia Huck if (!ccw.cda) { 562a5cf2bb4SCornelia Huck ret = -EFAULT; 563a5cf2bb4SCornelia Huck } else { 56442874d3aSPeter Maydell vq_config.index = address_space_lduw_be(&address_space_memory, 56542874d3aSPeter Maydell ccw.cda, 56642874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 56742874d3aSPeter Maydell NULL); 5688dfbaa6aSJason Wang if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) { 569d03a3630SCornelia Huck ret = -EINVAL; 570d03a3630SCornelia Huck break; 571d03a3630SCornelia Huck } 572f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 573a5cf2bb4SCornelia Huck vq_config.index); 57442874d3aSPeter Maydell address_space_stw_be(&address_space_memory, 57542874d3aSPeter Maydell ccw.cda + sizeof(vq_config.index), 57642874d3aSPeter Maydell vq_config.num_max, 57742874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 57842874d3aSPeter Maydell NULL); 579a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 580a5cf2bb4SCornelia Huck ret = 0; 581a5cf2bb4SCornelia Huck } 582a5cf2bb4SCornelia Huck break; 5837e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 5847e749462SCornelia Huck if (check_len) { 5857e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 5867e749462SCornelia Huck ret = -EINVAL; 5877e749462SCornelia Huck break; 5887e749462SCornelia Huck } 5897e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 5907e749462SCornelia Huck /* Can't execute command. */ 5917e749462SCornelia Huck ret = -EINVAL; 5927e749462SCornelia Huck break; 5937e749462SCornelia Huck } 5947e749462SCornelia Huck len = sizeof(*thinint); 5957e749462SCornelia Huck hw_len = len; 5967e749462SCornelia Huck if (!ccw.cda) { 5977e749462SCornelia Huck ret = -EFAULT; 5987e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 5997e749462SCornelia Huck /* Trigger a command reject. */ 6007e749462SCornelia Huck ret = -ENOSYS; 6017e749462SCornelia Huck } else { 6027e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 6037e749462SCornelia Huck if (!thinint) { 6047e749462SCornelia Huck ret = -EFAULT; 6057e749462SCornelia Huck } else { 6067d45285fSCornelia Huck uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 6077d45285fSCornelia Huck 6087e749462SCornelia Huck len = hw_len; 6097bca3892SCornelia Huck dev->summary_indicator = 6107d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->summary_indicator), 6117d45285fSCornelia Huck sizeof(uint8_t)); 6127d45285fSCornelia Huck dev->indicators = 6137d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->device_indicator), 6147d45285fSCornelia Huck ind_bit / 8 + 1); 6157e749462SCornelia Huck dev->thinint_isc = thinint->isc; 6167d45285fSCornelia Huck dev->routes.adapter.ind_offset = ind_bit; 617d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 6187e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 61903cf077aSCornelia Huck ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 62003cf077aSCornelia Huck dev->thinint_isc, true, false, 621d426d9fbSCornelia Huck &dev->routes.adapter.adapter_id); 62203cf077aSCornelia Huck assert(ret == 0); 6237bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 6247bca3892SCornelia Huck (dev->summary_indicator != NULL)); 6257e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 6267e749462SCornelia Huck ret = 0; 6277e749462SCornelia Huck } 6287e749462SCornelia Huck } 6297e749462SCornelia Huck break; 630c42767f2SThomas Huth case CCW_CMD_SET_VIRTIO_REV: 631c42767f2SThomas Huth len = sizeof(revinfo); 632c42767f2SThomas Huth if (ccw.count < len) { 633c42767f2SThomas Huth ret = -EINVAL; 634c42767f2SThomas Huth break; 635c42767f2SThomas Huth } 636c42767f2SThomas Huth if (!ccw.cda) { 637c42767f2SThomas Huth ret = -EFAULT; 638c42767f2SThomas Huth break; 639c42767f2SThomas Huth } 640c42767f2SThomas Huth revinfo.revision = 641c42767f2SThomas Huth address_space_lduw_be(&address_space_memory, ccw.cda, 642c42767f2SThomas Huth MEMTXATTRS_UNSPECIFIED, NULL); 643c42767f2SThomas Huth revinfo.length = 644c42767f2SThomas Huth address_space_lduw_be(&address_space_memory, 645c42767f2SThomas Huth ccw.cda + sizeof(revinfo.revision), 646c42767f2SThomas Huth MEMTXATTRS_UNSPECIFIED, NULL); 647c42767f2SThomas Huth if (ccw.count < len + revinfo.length || 648c42767f2SThomas Huth (check_len && ccw.count > len + revinfo.length)) { 649c42767f2SThomas Huth ret = -EINVAL; 650c42767f2SThomas Huth break; 651c42767f2SThomas Huth } 652c42767f2SThomas Huth /* 653c42767f2SThomas Huth * Once we start to support revisions with additional data, we'll 654c42767f2SThomas Huth * need to fetch it here. Nothing to do for now, though. 655c42767f2SThomas Huth */ 656c42767f2SThomas Huth if (dev->revision >= 0 || 65747e13dfdSHalil Pasic revinfo.revision > virtio_ccw_rev_max(dev) || 65847e13dfdSHalil Pasic (dev->force_revision_1 && !revinfo.revision)) { 659c42767f2SThomas Huth ret = -ENOSYS; 660c42767f2SThomas Huth break; 661c42767f2SThomas Huth } 662c42767f2SThomas Huth ret = 0; 663c42767f2SThomas Huth dev->revision = revinfo.revision; 664c42767f2SThomas Huth break; 665a5cf2bb4SCornelia Huck default: 6668d034a6fSCornelia Huck ret = -ENOSYS; 667a5cf2bb4SCornelia Huck break; 668a5cf2bb4SCornelia Huck } 669a5cf2bb4SCornelia Huck return ret; 670a5cf2bb4SCornelia Huck } 671a5cf2bb4SCornelia Huck 672c42767f2SThomas Huth static void virtio_sch_disable_cb(SubchDev *sch) 673c42767f2SThomas Huth { 674c42767f2SThomas Huth VirtioCcwDevice *dev = sch->driver_data; 675c42767f2SThomas Huth 676c42767f2SThomas Huth dev->revision = -1; 677c42767f2SThomas Huth } 678c42767f2SThomas Huth 6791fa75523SCornelia Huck static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) 680a5cf2bb4SCornelia Huck { 6811fa75523SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 682b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 683b804e8a6SJing Liu SubchDev *sch = css_create_virtual_sch(ccw_dev->bus_id, errp); 684cf249935SSascha Silbe Error *err = NULL; 685a5cf2bb4SCornelia Huck 686cf249935SSascha Silbe if (!sch) { 687cf249935SSascha Silbe return; 688cf249935SSascha Silbe } 68947e13dfdSHalil Pasic if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) { 69047e13dfdSHalil Pasic error_setg(&err, "Invalid value of property max_rev " 69147e13dfdSHalil Pasic "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); 69247e13dfdSHalil Pasic error_propagate(errp, err); 69347e13dfdSHalil Pasic return; 69447e13dfdSHalil Pasic } 695a5cf2bb4SCornelia Huck 696a5cf2bb4SCornelia Huck sch->driver_data = dev; 697a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 698c42767f2SThomas Huth sch->disable_cb = virtio_sch_disable_cb; 699a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 700a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 701b804e8a6SJing Liu ccw_dev->sch = sch; 702cf249935SSascha Silbe dev->indicators = NULL; 703c42767f2SThomas Huth dev->revision = -1; 704cf249935SSascha Silbe css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 705cf249935SSascha Silbe 706cf249935SSascha Silbe trace_virtio_ccw_new_device( 707cf249935SSascha Silbe sch->cssid, sch->ssid, sch->schid, sch->devno, 708b804e8a6SJing Liu ccw_dev->bus_id.valid ? "user-configured" : "auto-configured"); 709c42767f2SThomas Huth 710ca2b413cSPaolo Bonzini if (!kvm_eventfds_enabled()) { 711ca2b413cSPaolo Bonzini dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 712ca2b413cSPaolo Bonzini } 713ca2b413cSPaolo Bonzini 7141fa75523SCornelia Huck if (k->realize) { 7151fa75523SCornelia Huck k->realize(dev, &err); 7161fa75523SCornelia Huck } 7171fa75523SCornelia Huck if (err) { 7181fa75523SCornelia Huck error_propagate(errp, err); 71906e686eaSCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 720b804e8a6SJing Liu ccw_dev->sch = NULL; 721a5cf2bb4SCornelia Huck g_free(sch); 722a5cf2bb4SCornelia Huck } 723cf249935SSascha Silbe } 724a5cf2bb4SCornelia Huck 725a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 726a5cf2bb4SCornelia Huck { 727b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 728b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 729a5cf2bb4SCornelia Huck 730a5cf2bb4SCornelia Huck if (sch) { 731a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 732a5cf2bb4SCornelia Huck g_free(sch); 733a5cf2bb4SCornelia Huck } 7347bca3892SCornelia Huck if (dev->indicators) { 735d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 7367bca3892SCornelia Huck dev->indicators = NULL; 7377bca3892SCornelia Huck } 738a5cf2bb4SCornelia Huck return 0; 739a5cf2bb4SCornelia Huck } 740a5cf2bb4SCornelia Huck 7415e5ced38SMarkus Armbruster static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 742a5cf2bb4SCornelia Huck { 743800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 74489334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 74589334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 746a5cf2bb4SCornelia Huck 747800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 748800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 74989334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 7506b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 751a5cf2bb4SCornelia Huck } 752a5cf2bb4SCornelia Huck 75389334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 754a5cf2bb4SCornelia Huck { 75589334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 756c8075cafSGonglei 757c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 758c8075cafSGonglei TYPE_VIRTIO_NET); 7590cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 7600cf63c3eSGonglei "bootindex", &error_abort); 761a5cf2bb4SCornelia Huck } 762a5cf2bb4SCornelia Huck 7635e5ced38SMarkus Armbruster static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 764a5cf2bb4SCornelia Huck { 7653400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 7663400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 7675e5ced38SMarkus Armbruster 7683400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 7696b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 770a5cf2bb4SCornelia Huck } 771a5cf2bb4SCornelia Huck 7723400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 773a5cf2bb4SCornelia Huck { 7743400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 775c8075cafSGonglei 776c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 777c8075cafSGonglei TYPE_VIRTIO_BLK); 778467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 779467b3f33SStefan Hajnoczi &error_abort); 780aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 781aeb98ddcSGonglei "bootindex", &error_abort); 782a5cf2bb4SCornelia Huck } 783a5cf2bb4SCornelia Huck 7845e5ced38SMarkus Armbruster static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 785a5cf2bb4SCornelia Huck { 7866acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 7876acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 78880270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 78980270a19SKONRAD Frederic char *bus_name; 79080270a19SKONRAD Frederic 79180270a19SKONRAD Frederic /* 79280270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 79380270a19SKONRAD Frederic * name as before. 79480270a19SKONRAD Frederic */ 79580270a19SKONRAD Frederic if (proxy->id) { 79680270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 79780270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 79880270a19SKONRAD Frederic g_free(bus_name); 79980270a19SKONRAD Frederic } 800a5cf2bb4SCornelia Huck 8016acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8026b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 803a5cf2bb4SCornelia Huck } 804a5cf2bb4SCornelia Huck 8056acf69cdSKONRAD Frederic 8066acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 807a5cf2bb4SCornelia Huck { 8086acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 809c8075cafSGonglei 810c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 811c8075cafSGonglei TYPE_VIRTIO_SERIAL); 812a5cf2bb4SCornelia Huck } 813a5cf2bb4SCornelia Huck 8145e5ced38SMarkus Armbruster static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 815a5cf2bb4SCornelia Huck { 81630bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 81730bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 818a5cf2bb4SCornelia Huck 81930bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8206b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 821a5cf2bb4SCornelia Huck } 822a5cf2bb4SCornelia Huck 82330bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 824a5cf2bb4SCornelia Huck { 82530bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 826ecfa60e3SShannon Zhao 827a6027b0fSDenis V. Lunev virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 828a6027b0fSDenis V. Lunev TYPE_VIRTIO_BALLOON); 829ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 830ecfa60e3SShannon Zhao "guest-stats", &error_abort); 831ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats-polling-interval", 832ecfa60e3SShannon Zhao OBJECT(&dev->vdev), 833ecfa60e3SShannon Zhao "guest-stats-polling-interval", &error_abort); 834a5cf2bb4SCornelia Huck } 835a5cf2bb4SCornelia Huck 8365e5ced38SMarkus Armbruster static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 837a5cf2bb4SCornelia Huck { 838c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 839c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8406f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 8416f32a6b4SKONRAD Frederic char *bus_name; 8426f32a6b4SKONRAD Frederic 8436f32a6b4SKONRAD Frederic /* 8446f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 8456f32a6b4SKONRAD Frederic * name as before. 8466f32a6b4SKONRAD Frederic */ 8476f32a6b4SKONRAD Frederic if (qdev->id) { 8486f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 8496f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 8506f32a6b4SKONRAD Frederic g_free(bus_name); 8516f32a6b4SKONRAD Frederic } 852a5cf2bb4SCornelia Huck 853c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8546b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 855a5cf2bb4SCornelia Huck } 856a5cf2bb4SCornelia Huck 857c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 858a5cf2bb4SCornelia Huck { 859c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 860c8075cafSGonglei 861c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 862c8075cafSGonglei TYPE_VIRTIO_SCSI); 86319d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 86419d339f1SFam Zheng &error_abort); 865a5cf2bb4SCornelia Huck } 866a5cf2bb4SCornelia Huck 867ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 8685e5ced38SMarkus Armbruster static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 869ccf6916cSPaolo Bonzini { 870ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 871ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 872ccf6916cSPaolo Bonzini 873ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8746b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 875ccf6916cSPaolo Bonzini } 876ccf6916cSPaolo Bonzini 877ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 878ccf6916cSPaolo Bonzini { 879ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 880c8075cafSGonglei 881c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 882c8075cafSGonglei TYPE_VHOST_SCSI); 883ccf6916cSPaolo Bonzini } 884ccf6916cSPaolo Bonzini #endif 885ccf6916cSPaolo Bonzini 8865e5ced38SMarkus Armbruster static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 8872362ecc5SCornelia Huck { 8882db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 8892db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8905e5ced38SMarkus Armbruster Error *err = NULL; 8912362ecc5SCornelia Huck 8922db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8935e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 8945e5ced38SMarkus Armbruster if (err) { 8955e5ced38SMarkus Armbruster error_propagate(errp, err); 8965e5ced38SMarkus Armbruster return; 8972362ecc5SCornelia Huck } 8982362ecc5SCornelia Huck 8992db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 9005b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 9012db26d4cSKONRAD Frederic NULL); 9022362ecc5SCornelia Huck } 9032362ecc5SCornelia Huck 904d2256070SHalil Pasic static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp) 905d2256070SHalil Pasic { 906d2256070SHalil Pasic VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev); 907d2256070SHalil Pasic DeviceState *vdev = DEVICE(&dev->vdev); 908d2256070SHalil Pasic Error *err = NULL; 909d2256070SHalil Pasic 910d2256070SHalil Pasic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 911d2256070SHalil Pasic object_property_set_bool(OBJECT(vdev), true, "realized", &err); 912d2256070SHalil Pasic if (err) { 913d2256070SHalil Pasic error_propagate(errp, err); 914d2256070SHalil Pasic return; 915d2256070SHalil Pasic } 916d2256070SHalil Pasic 917d2256070SHalil Pasic object_property_set_link(OBJECT(vdev), 918d2256070SHalil Pasic OBJECT(dev->vdev.conf.cryptodev), "cryptodev", 919d2256070SHalil Pasic NULL); 920d2256070SHalil Pasic } 921d2256070SHalil Pasic 922a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 923a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 924a5cf2bb4SCornelia Huck */ 925a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 926a5cf2bb4SCornelia Huck { 927b804e8a6SJing Liu CcwDevice *ccw_dev = to_ccw_dev_fast(d); 928b804e8a6SJing Liu 929b804e8a6SJing Liu return container_of(ccw_dev, VirtioCcwDevice, parent_obj); 930a5cf2bb4SCornelia Huck } 931a5cf2bb4SCornelia Huck 9327e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 9337e749462SCornelia Huck uint8_t to_be_set) 9347e749462SCornelia Huck { 9357e749462SCornelia Huck uint8_t ind_old, ind_new; 9367e749462SCornelia Huck hwaddr len = 1; 9377e749462SCornelia Huck uint8_t *ind_addr; 9387e749462SCornelia Huck 9397e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 9407e749462SCornelia Huck if (!ind_addr) { 9417e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 9427e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 9437e749462SCornelia Huck return -1; 9447e749462SCornelia Huck } 9457e749462SCornelia Huck do { 9467e749462SCornelia Huck ind_old = *ind_addr; 9477e749462SCornelia Huck ind_new = ind_old | to_be_set; 9487e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 94906409bd9SChristian Borntraeger trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); 9507e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 9517e749462SCornelia Huck 9527e749462SCornelia Huck return ind_old; 9537e749462SCornelia Huck } 9547e749462SCornelia Huck 955a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 956a5cf2bb4SCornelia Huck { 957a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 958b804e8a6SJing Liu CcwDevice *ccw_dev = to_ccw_dev_fast(d); 959b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 960a5cf2bb4SCornelia Huck uint64_t indicators; 961a5cf2bb4SCornelia Huck 9621789f4e3SHalil Pasic /* queue indicators + secondary indicators */ 9631789f4e3SHalil Pasic if (vector >= VIRTIO_CCW_QUEUE_MAX + 64) { 964a5cf2bb4SCornelia Huck return; 965a5cf2bb4SCornelia Huck } 966a5cf2bb4SCornelia Huck 9678dfbaa6aSJason Wang if (vector < VIRTIO_CCW_QUEUE_MAX) { 9687c486976SCornelia Huck if (!dev->indicators) { 9697c486976SCornelia Huck return; 9707c486976SCornelia Huck } 9717e749462SCornelia Huck if (sch->thinint_active) { 9727e749462SCornelia Huck /* 9737e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 9747e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 9757e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 9767e749462SCornelia Huck * endian notation. 9777e749462SCornelia Huck */ 978d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 979d426d9fbSCornelia Huck 9807bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 981d426d9fbSCornelia Huck (ind_bit + vector) / 8, 982d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 9837bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 9847e749462SCornelia Huck 0x01)) { 9857e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 9867e749462SCornelia Huck } 9877e749462SCornelia Huck } else { 98842874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 98942874d3aSPeter Maydell dev->indicators->addr, 99042874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 99142874d3aSPeter Maydell NULL); 99219380b1bSCornelia Huck indicators |= 1ULL << vector; 99342874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators->addr, 99442874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 9957e749462SCornelia Huck css_conditional_io_interrupt(sch); 9967e749462SCornelia Huck } 997a5cf2bb4SCornelia Huck } else { 9987c486976SCornelia Huck if (!dev->indicators2) { 9997c486976SCornelia Huck return; 10007c486976SCornelia Huck } 1001a5cf2bb4SCornelia Huck vector = 0; 100242874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 100342874d3aSPeter Maydell dev->indicators2->addr, 100442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 100542874d3aSPeter Maydell NULL); 100619380b1bSCornelia Huck indicators |= 1ULL << vector; 100742874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators2->addr, 100842874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1009a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 10107e749462SCornelia Huck } 1011a5cf2bb4SCornelia Huck } 1012a5cf2bb4SCornelia Huck 1013a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1014a5cf2bb4SCornelia Huck { 1015a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1016f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1017b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1018a5cf2bb4SCornelia Huck 1019fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 1020b804e8a6SJing Liu css_reset_sch(ccw_dev->sch); 1021a5cf2bb4SCornelia Huck } 1022a5cf2bb4SCornelia Huck 1023b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1024b4436a0bSCornelia Huck { 1025b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1026b4436a0bSCornelia Huck 1027b4436a0bSCornelia Huck if (running) { 1028b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1029b4436a0bSCornelia Huck } else { 1030b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1031b4436a0bSCornelia Huck } 1032b4436a0bSCornelia Huck } 1033b4436a0bSCornelia Huck 1034320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1035320ce850SCornelia Huck { 1036b804e8a6SJing Liu CcwDevice *dev = CCW_DEVICE(d); 1037320ce850SCornelia Huck 1038320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1039320ce850SCornelia Huck } 1040320ce850SCornelia Huck 1041d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1042d426d9fbSCornelia Huck { 1043d426d9fbSCornelia Huck int r; 1044b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 1045d426d9fbSCornelia Huck 1046b804e8a6SJing Liu if (!ccw_dev->sch->thinint_active) { 1047d426d9fbSCornelia Huck return -EINVAL; 1048d426d9fbSCornelia Huck } 1049d426d9fbSCornelia Huck 1050d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1051d426d9fbSCornelia Huck if (r) { 1052d426d9fbSCornelia Huck return r; 1053d426d9fbSCornelia Huck } 1054d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1055d426d9fbSCornelia Huck if (r) { 1056d426d9fbSCornelia Huck return r; 1057d426d9fbSCornelia Huck } 1058d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1059d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1060d426d9fbSCornelia Huck 1061d426d9fbSCornelia Huck return 0; 1062d426d9fbSCornelia Huck } 1063d426d9fbSCornelia Huck 1064d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1065d426d9fbSCornelia Huck { 1066d426d9fbSCornelia Huck int i; 1067d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1068d426d9fbSCornelia Huck int ret; 1069d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1070d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1071d426d9fbSCornelia Huck 1072d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1073d426d9fbSCornelia Huck if (ret) { 1074d426d9fbSCornelia Huck return ret; 1075d426d9fbSCornelia Huck } 1076d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1077d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1078d426d9fbSCornelia Huck break; 1079d426d9fbSCornelia Huck } 1080d426d9fbSCornelia Huck } 1081d426d9fbSCornelia Huck dev->routes.num_routes = i; 1082d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1083d426d9fbSCornelia Huck } 1084d426d9fbSCornelia Huck 1085d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1086d426d9fbSCornelia Huck { 1087d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1088d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1089d426d9fbSCornelia Huck 1090d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1091d426d9fbSCornelia Huck } 1092d426d9fbSCornelia Huck 1093d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1094d426d9fbSCornelia Huck { 1095d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1096d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1097d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1098d426d9fbSCornelia Huck 10991c9b71a7SEric Auger return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL, 1100d426d9fbSCornelia Huck dev->routes.gsi[n]); 1101d426d9fbSCornelia Huck } 1102d426d9fbSCornelia Huck 1103d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1104d426d9fbSCornelia Huck { 1105d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1106d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1107d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1108d426d9fbSCornelia Huck int ret; 1109d426d9fbSCornelia Huck 11101c9b71a7SEric Auger ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier, 1111d426d9fbSCornelia Huck dev->routes.gsi[n]); 1112d426d9fbSCornelia Huck assert(ret == 0); 1113d426d9fbSCornelia Huck } 1114d426d9fbSCornelia Huck 1115320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1116320ce850SCornelia Huck bool assign, bool with_irqfd) 1117320ce850SCornelia Huck { 1118f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1119f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1120320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1121f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1122320ce850SCornelia Huck 1123320ce850SCornelia Huck if (assign) { 1124320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1125320ce850SCornelia Huck 1126320ce850SCornelia Huck if (r < 0) { 1127320ce850SCornelia Huck return r; 1128320ce850SCornelia Huck } 1129320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1130d426d9fbSCornelia Huck if (with_irqfd) { 1131d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1132d426d9fbSCornelia Huck if (r) { 1133d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1134d426d9fbSCornelia Huck with_irqfd); 1135d426d9fbSCornelia Huck return r; 1136d426d9fbSCornelia Huck } 1137d426d9fbSCornelia Huck } 1138d426d9fbSCornelia Huck /* 1139d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1140d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1141320ce850SCornelia Huck */ 11422858bc68SWei Huang if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1143f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1144320ce850SCornelia Huck } 1145320ce850SCornelia Huck /* get lost events and re-inject */ 1146320ce850SCornelia Huck if (k->guest_notifier_pending && 1147f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1148320ce850SCornelia Huck event_notifier_set(notifier); 1149320ce850SCornelia Huck } 1150320ce850SCornelia Huck } else { 11512858bc68SWei Huang if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1152f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1153320ce850SCornelia Huck } 1154d426d9fbSCornelia Huck if (with_irqfd) { 1155d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1156d426d9fbSCornelia Huck } 1157320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1158320ce850SCornelia Huck event_notifier_cleanup(notifier); 1159320ce850SCornelia Huck } 1160320ce850SCornelia Huck return 0; 1161320ce850SCornelia Huck } 1162320ce850SCornelia Huck 1163320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1164320ce850SCornelia Huck bool assigned) 1165320ce850SCornelia Huck { 1166320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1167f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1168b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1169b804e8a6SJing Liu bool with_irqfd = ccw_dev->sch->thinint_active && kvm_irqfds_enabled(); 1170320ce850SCornelia Huck int r, n; 1171320ce850SCornelia Huck 1172d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1173d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1174d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1175d426d9fbSCornelia Huck if (r < 0) { 1176d426d9fbSCornelia Huck goto irqroute_error; 1177d426d9fbSCornelia Huck } 1178d426d9fbSCornelia Huck } 1179320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1180320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1181320ce850SCornelia Huck break; 1182320ce850SCornelia Huck } 1183d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1184320ce850SCornelia Huck if (r < 0) { 1185320ce850SCornelia Huck goto assign_error; 1186320ce850SCornelia Huck } 1187320ce850SCornelia Huck } 1188d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1189d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1190d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1191d426d9fbSCornelia Huck } 1192320ce850SCornelia Huck return 0; 1193320ce850SCornelia Huck 1194320ce850SCornelia Huck assign_error: 1195320ce850SCornelia Huck while (--n >= 0) { 1196320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1197320ce850SCornelia Huck } 1198d426d9fbSCornelia Huck irqroute_error: 1199d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1200d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1201d426d9fbSCornelia Huck } 1202320ce850SCornelia Huck return r; 1203320ce850SCornelia Huck } 1204320ce850SCornelia Huck 1205bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1206bcb2b582SJens Freimann { 1207bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1208bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1209bcb2b582SJens Freimann 1210bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1211bcb2b582SJens Freimann } 1212bcb2b582SJens Freimann 1213bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1214bcb2b582SJens Freimann { 1215bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1216bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1217bcb2b582SJens Freimann uint16_t vector; 1218bcb2b582SJens Freimann 1219bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1220bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1221bcb2b582SJens Freimann 1222bcb2b582SJens Freimann return 0; 1223bcb2b582SJens Freimann } 1224bcb2b582SJens Freimann 1225bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1226bcb2b582SJens Freimann { 1227bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1228b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1229b804e8a6SJing Liu SubchDev *s = ccw_dev->sch; 12302a72ea5fSJason J. Herne VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1231bcb2b582SJens Freimann 1232bcb2b582SJens Freimann subch_device_save(s, f); 1233bcb2b582SJens Freimann if (dev->indicators != NULL) { 1234bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators->len); 1235bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators->addr); 1236bcb2b582SJens Freimann } else { 1237bcb2b582SJens Freimann qemu_put_be32(f, 0); 1238bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1239bcb2b582SJens Freimann } 1240bcb2b582SJens Freimann if (dev->indicators2 != NULL) { 1241bcb2b582SJens Freimann qemu_put_be32(f, dev->indicators2->len); 1242bcb2b582SJens Freimann qemu_put_be64(f, dev->indicators2->addr); 1243bcb2b582SJens Freimann } else { 1244bcb2b582SJens Freimann qemu_put_be32(f, 0); 1245bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1246bcb2b582SJens Freimann } 1247bcb2b582SJens Freimann if (dev->summary_indicator != NULL) { 1248bcb2b582SJens Freimann qemu_put_be32(f, dev->summary_indicator->len); 1249bcb2b582SJens Freimann qemu_put_be64(f, dev->summary_indicator->addr); 1250bcb2b582SJens Freimann } else { 1251bcb2b582SJens Freimann qemu_put_be32(f, 0); 1252bcb2b582SJens Freimann qemu_put_be64(f, 0UL); 1253bcb2b582SJens Freimann } 12542a72ea5fSJason J. Herne qemu_put_be16(f, vdev->config_vector); 1255bcb2b582SJens Freimann qemu_put_be64(f, dev->routes.adapter.ind_offset); 1256bcb2b582SJens Freimann qemu_put_byte(f, dev->thinint_isc); 1257213941d7SCornelia Huck qemu_put_be32(f, dev->revision); 1258bcb2b582SJens Freimann } 1259bcb2b582SJens Freimann 1260bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1261bcb2b582SJens Freimann { 1262bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1263b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1264b804e8a6SJing Liu SubchDev *s = ccw_dev->sch; 12652a72ea5fSJason J. Herne VirtIODevice *vdev = virtio_ccw_get_vdev(s); 1266bcb2b582SJens Freimann int len; 1267bcb2b582SJens Freimann 1268bcb2b582SJens Freimann s->driver_data = dev; 1269bcb2b582SJens Freimann subch_device_load(s, f); 1270bcb2b582SJens Freimann len = qemu_get_be32(f); 1271bcb2b582SJens Freimann if (len != 0) { 1272bcb2b582SJens Freimann dev->indicators = get_indicator(qemu_get_be64(f), len); 1273bcb2b582SJens Freimann } else { 1274bcb2b582SJens Freimann qemu_get_be64(f); 1275bcb2b582SJens Freimann dev->indicators = NULL; 1276bcb2b582SJens Freimann } 1277bcb2b582SJens Freimann len = qemu_get_be32(f); 1278bcb2b582SJens Freimann if (len != 0) { 1279bcb2b582SJens Freimann dev->indicators2 = get_indicator(qemu_get_be64(f), len); 1280bcb2b582SJens Freimann } else { 1281bcb2b582SJens Freimann qemu_get_be64(f); 1282bcb2b582SJens Freimann dev->indicators2 = NULL; 1283bcb2b582SJens Freimann } 1284bcb2b582SJens Freimann len = qemu_get_be32(f); 1285bcb2b582SJens Freimann if (len != 0) { 1286bcb2b582SJens Freimann dev->summary_indicator = get_indicator(qemu_get_be64(f), len); 1287bcb2b582SJens Freimann } else { 1288bcb2b582SJens Freimann qemu_get_be64(f); 1289bcb2b582SJens Freimann dev->summary_indicator = NULL; 1290bcb2b582SJens Freimann } 12912a72ea5fSJason J. Herne qemu_get_be16s(f, &vdev->config_vector); 1292bcb2b582SJens Freimann dev->routes.adapter.ind_offset = qemu_get_be64(f); 1293bcb2b582SJens Freimann dev->thinint_isc = qemu_get_byte(f); 12942af9170cSChristian Borntraeger dev->revision = qemu_get_be32(f); 1295bcb2b582SJens Freimann if (s->thinint_active) { 1296bcb2b582SJens Freimann return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO, 1297bcb2b582SJens Freimann dev->thinint_isc, true, false, 1298bcb2b582SJens Freimann &dev->routes.adapter.adapter_id); 1299bcb2b582SJens Freimann } 1300bcb2b582SJens Freimann 1301bcb2b582SJens Freimann return 0; 1302bcb2b582SJens Freimann } 1303bcb2b582SJens Freimann 1304d1b4259fSMaxime Coquelin static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp) 1305d1b4259fSMaxime Coquelin { 1306d1b4259fSMaxime Coquelin VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1307d1b4259fSMaxime Coquelin VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1308d1b4259fSMaxime Coquelin 1309d1b4259fSMaxime Coquelin if (dev->max_rev >= 1) { 1310d1b4259fSMaxime Coquelin virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); 1311d1b4259fSMaxime Coquelin } 1312d1b4259fSMaxime Coquelin } 1313d1b4259fSMaxime Coquelin 1314fb846a09SCornelia Huck /* This is called by virtio-bus just after the device is plugged. */ 1315e8398045SJason Wang static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) 1316fb846a09SCornelia Huck { 1317fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 131810ceaa1eSJason Wang VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1319b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1320b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 132110ceaa1eSJason Wang int n = virtio_get_num_queues(vdev); 1322*0708afa7SHalil Pasic S390FLICState *flic = s390_get_flic(); 132310ceaa1eSJason Wang 1324d1b4259fSMaxime Coquelin if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) { 1325d1b4259fSMaxime Coquelin dev->max_rev = 0; 1326d1b4259fSMaxime Coquelin } 1327d1b4259fSMaxime Coquelin 132810ceaa1eSJason Wang if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) { 1329b34aee54SMichael Tokarev error_setg(errp, "The number of virtqueues %d " 133010ceaa1eSJason Wang "exceeds ccw limit %d", n, 133110ceaa1eSJason Wang VIRTIO_CCW_QUEUE_MAX); 133210ceaa1eSJason Wang return; 133310ceaa1eSJason Wang } 1334*0708afa7SHalil Pasic if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) { 1335*0708afa7SHalil Pasic error_setg(errp, "The number of virtqueues %d " 1336*0708afa7SHalil Pasic "exceeds flic adapter route limit %d", n, 1337*0708afa7SHalil Pasic flic->adapter_routes_max_batch); 1338*0708afa7SHalil Pasic return; 1339*0708afa7SHalil Pasic } 1340fb846a09SCornelia Huck 1341fb846a09SCornelia Huck sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); 1342fb846a09SCornelia Huck 1343542571d5SCornelia Huck 1344fb846a09SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1345fb846a09SCornelia Huck d->hotplugged, 1); 1346fb846a09SCornelia Huck } 1347fb846a09SCornelia Huck 1348fb846a09SCornelia Huck static void virtio_ccw_device_unplugged(DeviceState *d) 1349fb846a09SCornelia Huck { 1350fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1351fb846a09SCornelia Huck 1352fb846a09SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1353fb846a09SCornelia Huck } 1354a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1355a5cf2bb4SCornelia Huck 1356a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1357b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1358b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1359b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1360542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1361542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1362a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1363a5cf2bb4SCornelia Huck }; 1364a5cf2bb4SCornelia Huck 1365a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1366a5cf2bb4SCornelia Huck { 1367a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1368a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1369a5cf2bb4SCornelia Huck 13705e5ced38SMarkus Armbruster k->realize = virtio_ccw_net_realize; 137189334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1372a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1373a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1374cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 1375a5cf2bb4SCornelia Huck } 1376a5cf2bb4SCornelia Huck 1377a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 137889334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1379a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 138089334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 138189334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1382a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1383a5cf2bb4SCornelia Huck }; 1384a5cf2bb4SCornelia Huck 1385a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1386b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1387b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1388b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1389542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1390542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1391a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1392a5cf2bb4SCornelia Huck }; 1393a5cf2bb4SCornelia Huck 1394a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1395a5cf2bb4SCornelia Huck { 1396a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1397a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1398a5cf2bb4SCornelia Huck 13995e5ced38SMarkus Armbruster k->realize = virtio_ccw_blk_realize; 14003400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1401a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1402a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1403cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1404a5cf2bb4SCornelia Huck } 1405a5cf2bb4SCornelia Huck 1406a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14073400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1408a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14093400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14103400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1411a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1412a5cf2bb4SCornelia Huck }; 1413a5cf2bb4SCornelia Huck 1414a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1415b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1416b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1417b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1418542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1419542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1420a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1421a5cf2bb4SCornelia Huck }; 1422a5cf2bb4SCornelia Huck 1423a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1424a5cf2bb4SCornelia Huck { 1425a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1426a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1427a5cf2bb4SCornelia Huck 14285e5ced38SMarkus Armbruster k->realize = virtio_ccw_serial_realize; 14296acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1430a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1431a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1432cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 1433a5cf2bb4SCornelia Huck } 1434a5cf2bb4SCornelia Huck 1435a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 14366acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1437a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14386acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 14396acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1440a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1441a5cf2bb4SCornelia Huck }; 1442a5cf2bb4SCornelia Huck 1443a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1444b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1445b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1446b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1447542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1448542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1449a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1450a5cf2bb4SCornelia Huck }; 1451a5cf2bb4SCornelia Huck 1452a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1453a5cf2bb4SCornelia Huck { 1454a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1455a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1456a5cf2bb4SCornelia Huck 14575e5ced38SMarkus Armbruster k->realize = virtio_ccw_balloon_realize; 145830bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1459a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1460a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1461cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1462a5cf2bb4SCornelia Huck } 1463a5cf2bb4SCornelia Huck 1464a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 146530bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1466a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 146730bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 146830bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1469a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1470a5cf2bb4SCornelia Huck }; 1471a5cf2bb4SCornelia Huck 1472a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1473b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1474b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1475b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1476542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1477542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1478a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1479a5cf2bb4SCornelia Huck }; 1480a5cf2bb4SCornelia Huck 1481a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1482a5cf2bb4SCornelia Huck { 1483a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1484a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1485a5cf2bb4SCornelia Huck 14865e5ced38SMarkus Armbruster k->realize = virtio_ccw_scsi_realize; 1487c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1488a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1489a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1490cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1491a5cf2bb4SCornelia Huck } 1492a5cf2bb4SCornelia Huck 1493a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1494c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1495a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1496c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1497c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1498a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1499a5cf2bb4SCornelia Huck }; 1500a5cf2bb4SCornelia Huck 1501ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1502ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1503b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1504542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1505542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1506ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1507ccf6916cSPaolo Bonzini }; 1508ccf6916cSPaolo Bonzini 1509ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1510ccf6916cSPaolo Bonzini { 1511ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1512ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1513ccf6916cSPaolo Bonzini 15145e5ced38SMarkus Armbruster k->realize = vhost_ccw_scsi_realize; 1515ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1516ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1517ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1518cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1519ccf6916cSPaolo Bonzini } 1520ccf6916cSPaolo Bonzini 1521ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1522ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1523ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15244b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1525ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1526ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1527ccf6916cSPaolo Bonzini }; 1528ccf6916cSPaolo Bonzini #endif 1529ccf6916cSPaolo Bonzini 15302db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15312362ecc5SCornelia Huck { 15322db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1533c8075cafSGonglei 1534c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1535c8075cafSGonglei TYPE_VIRTIO_RNG); 1536cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1537cbd5ac69SPaolo Bonzini "rng", &error_abort); 15382362ecc5SCornelia Huck } 15392362ecc5SCornelia Huck 15402362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 1541b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1542b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1543b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1544542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1545542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 15462362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 15472362ecc5SCornelia Huck }; 15482362ecc5SCornelia Huck 15492362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 15502362ecc5SCornelia Huck { 15512362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 15522362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 15532362ecc5SCornelia Huck 15545e5ced38SMarkus Armbruster k->realize = virtio_ccw_rng_realize; 15552db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 15562362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 15572362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 1558cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 15592362ecc5SCornelia Huck } 15602362ecc5SCornelia Huck 15612362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 15622db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 15632362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 15642db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 15652db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 15662362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 15672362ecc5SCornelia Huck }; 15682362ecc5SCornelia Huck 1569d2256070SHalil Pasic static Property virtio_ccw_crypto_properties[] = { 1570d2256070SHalil Pasic DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1571d2256070SHalil Pasic DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1572d2256070SHalil Pasic VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1573d2256070SHalil Pasic DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1574d2256070SHalil Pasic VIRTIO_CCW_MAX_REV), 1575d2256070SHalil Pasic DEFINE_PROP_END_OF_LIST(), 1576d2256070SHalil Pasic }; 1577d2256070SHalil Pasic 1578d2256070SHalil Pasic static void virtio_ccw_crypto_instance_init(Object *obj) 1579d2256070SHalil Pasic { 1580d2256070SHalil Pasic VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); 1581d2256070SHalil Pasic VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 1582d2256070SHalil Pasic 1583d2256070SHalil Pasic ccw_dev->force_revision_1 = true; 1584d2256070SHalil Pasic virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1585d2256070SHalil Pasic TYPE_VIRTIO_CRYPTO); 1586d2256070SHalil Pasic 1587d2256070SHalil Pasic object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev), 1588d2256070SHalil Pasic "cryptodev", &error_abort); 1589d2256070SHalil Pasic } 1590d2256070SHalil Pasic 1591d2256070SHalil Pasic static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) 1592d2256070SHalil Pasic { 1593d2256070SHalil Pasic DeviceClass *dc = DEVICE_CLASS(klass); 1594d2256070SHalil Pasic VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1595d2256070SHalil Pasic 1596d2256070SHalil Pasic k->realize = virtio_ccw_crypto_realize; 1597d2256070SHalil Pasic k->exit = virtio_ccw_exit; 1598d2256070SHalil Pasic dc->reset = virtio_ccw_reset; 1599d2256070SHalil Pasic dc->props = virtio_ccw_crypto_properties; 1600d2256070SHalil Pasic set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1601d2256070SHalil Pasic } 1602d2256070SHalil Pasic 1603d2256070SHalil Pasic static const TypeInfo virtio_ccw_crypto = { 1604d2256070SHalil Pasic .name = TYPE_VIRTIO_CRYPTO_CCW, 1605d2256070SHalil Pasic .parent = TYPE_VIRTIO_CCW_DEVICE, 1606d2256070SHalil Pasic .instance_size = sizeof(VirtIOCryptoCcw), 1607d2256070SHalil Pasic .instance_init = virtio_ccw_crypto_instance_init, 1608d2256070SHalil Pasic .class_init = virtio_ccw_crypto_class_init, 1609d2256070SHalil Pasic }; 1610d2256070SHalil Pasic 16115e5ced38SMarkus Armbruster static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1612a5cf2bb4SCornelia Huck { 1613a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1614a5cf2bb4SCornelia Huck 16151bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 16161fa75523SCornelia Huck virtio_ccw_device_realize(_dev, errp); 1617a5cf2bb4SCornelia Huck } 1618a5cf2bb4SCornelia Huck 1619a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1620a5cf2bb4SCornelia Huck { 1621a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1622a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1623a5cf2bb4SCornelia Huck 1624a5cf2bb4SCornelia Huck return _info->exit(_dev); 1625a5cf2bb4SCornelia Huck } 1626a5cf2bb4SCornelia Huck 1627b804e8a6SJing Liu static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1628277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1629a5cf2bb4SCornelia Huck { 1630b804e8a6SJing Liu VirtioCcwDevice *_dev = to_virtio_ccw_dev_fast(dev); 1631a5cf2bb4SCornelia Huck 16320b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 1633a5cf2bb4SCornelia Huck } 1634a5cf2bb4SCornelia Huck 1635a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1636a5cf2bb4SCornelia Huck { 1637a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1638b804e8a6SJing Liu CCWDeviceClass *k = CCW_DEVICE_CLASS(dc); 1639a5cf2bb4SCornelia Huck 1640b804e8a6SJing Liu k->unplug = virtio_ccw_busdev_unplug; 16415e5ced38SMarkus Armbruster dc->realize = virtio_ccw_busdev_realize; 1642a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1643a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1644a5cf2bb4SCornelia Huck } 1645a5cf2bb4SCornelia Huck 1646a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1647a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1648b804e8a6SJing Liu .parent = TYPE_CCW_DEVICE, 1649a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1650a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1651a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1652a5cf2bb4SCornelia Huck .abstract = true, 1653a5cf2bb4SCornelia Huck }; 1654a5cf2bb4SCornelia Huck 1655a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1656a5cf2bb4SCornelia Huck 16571bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 16581bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1659a5cf2bb4SCornelia Huck { 1660a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1661f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1662a5cf2bb4SCornelia Huck 1663fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1664fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1665a5cf2bb4SCornelia Huck } 1666a5cf2bb4SCornelia Huck 1667a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1668a5cf2bb4SCornelia Huck { 1669a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1670a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1671a5cf2bb4SCornelia Huck 1672a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1673a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1674b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1675320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1676320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1677bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1678bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1679bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1680bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1681d1b4259fSMaxime Coquelin k->pre_plugged = virtio_ccw_pre_plugged; 1682fb846a09SCornelia Huck k->device_plugged = virtio_ccw_device_plugged; 1683fb846a09SCornelia Huck k->device_unplugged = virtio_ccw_device_unplugged; 16848e93cef1SPaolo Bonzini k->ioeventfd_enabled = virtio_ccw_ioeventfd_enabled; 16857c55f68aSCornelia Huck k->ioeventfd_assign = virtio_ccw_ioeventfd_assign; 1686a5cf2bb4SCornelia Huck } 1687a5cf2bb4SCornelia Huck 1688a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1689a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1690a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1691a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1692a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1693a5cf2bb4SCornelia Huck }; 1694a5cf2bb4SCornelia Huck 1695de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1696de6a9218SPierre Morel static Property virtio_ccw_9p_properties[] = { 1697b804e8a6SJing Liu DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1698de6a9218SPierre Morel DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1699de6a9218SPierre Morel VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1700542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1701542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1702de6a9218SPierre Morel DEFINE_PROP_END_OF_LIST(), 1703de6a9218SPierre Morel }; 1704de6a9218SPierre Morel 1705de6a9218SPierre Morel static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1706de6a9218SPierre Morel { 1707de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev); 1708de6a9218SPierre Morel DeviceState *vdev = DEVICE(&dev->vdev); 1709de6a9218SPierre Morel 1710de6a9218SPierre Morel qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 17116b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 1712de6a9218SPierre Morel } 1713de6a9218SPierre Morel 1714de6a9218SPierre Morel static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) 1715de6a9218SPierre Morel { 1716de6a9218SPierre Morel DeviceClass *dc = DEVICE_CLASS(klass); 1717de6a9218SPierre Morel VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1718de6a9218SPierre Morel 1719de6a9218SPierre Morel k->exit = virtio_ccw_exit; 1720de6a9218SPierre Morel k->realize = virtio_ccw_9p_realize; 1721de6a9218SPierre Morel dc->reset = virtio_ccw_reset; 1722de6a9218SPierre Morel dc->props = virtio_ccw_9p_properties; 1723de6a9218SPierre Morel set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1724de6a9218SPierre Morel } 1725de6a9218SPierre Morel 1726de6a9218SPierre Morel static void virtio_ccw_9p_instance_init(Object *obj) 1727de6a9218SPierre Morel { 1728de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(obj); 1729de6a9218SPierre Morel 1730de6a9218SPierre Morel virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1731de6a9218SPierre Morel TYPE_VIRTIO_9P); 1732de6a9218SPierre Morel } 1733de6a9218SPierre Morel 1734de6a9218SPierre Morel static const TypeInfo virtio_ccw_9p_info = { 1735de6a9218SPierre Morel .name = TYPE_VIRTIO_9P_CCW, 1736de6a9218SPierre Morel .parent = TYPE_VIRTIO_CCW_DEVICE, 1737de6a9218SPierre Morel .instance_size = sizeof(V9fsCCWState), 1738de6a9218SPierre Morel .instance_init = virtio_ccw_9p_instance_init, 1739de6a9218SPierre Morel .class_init = virtio_ccw_9p_class_init, 1740de6a9218SPierre Morel }; 1741de6a9218SPierre Morel #endif 1742de6a9218SPierre Morel 1743fc0b9b0eSStefan Hajnoczi #ifdef CONFIG_VHOST_VSOCK 1744fc0b9b0eSStefan Hajnoczi 1745fc0b9b0eSStefan Hajnoczi static Property vhost_vsock_ccw_properties[] = { 1746fc0b9b0eSStefan Hajnoczi DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id), 1747fc0b9b0eSStefan Hajnoczi DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1748fc0b9b0eSStefan Hajnoczi VIRTIO_CCW_MAX_REV), 1749fc0b9b0eSStefan Hajnoczi DEFINE_PROP_END_OF_LIST(), 1750fc0b9b0eSStefan Hajnoczi }; 1751fc0b9b0eSStefan Hajnoczi 1752fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1753fc0b9b0eSStefan Hajnoczi { 1754fc0b9b0eSStefan Hajnoczi VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev); 1755fc0b9b0eSStefan Hajnoczi DeviceState *vdev = DEVICE(&dev->vdev); 1756fc0b9b0eSStefan Hajnoczi Error *err = NULL; 1757fc0b9b0eSStefan Hajnoczi 1758fc0b9b0eSStefan Hajnoczi qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1759fc0b9b0eSStefan Hajnoczi object_property_set_bool(OBJECT(vdev), true, "realized", &err); 1760fc0b9b0eSStefan Hajnoczi if (err) { 1761fc0b9b0eSStefan Hajnoczi error_propagate(errp, err); 1762fc0b9b0eSStefan Hajnoczi } 1763fc0b9b0eSStefan Hajnoczi } 1764fc0b9b0eSStefan Hajnoczi 1765fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) 1766fc0b9b0eSStefan Hajnoczi { 1767fc0b9b0eSStefan Hajnoczi DeviceClass *dc = DEVICE_CLASS(klass); 1768fc0b9b0eSStefan Hajnoczi VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1769fc0b9b0eSStefan Hajnoczi 1770fc0b9b0eSStefan Hajnoczi k->realize = vhost_vsock_ccw_realize; 1771fc0b9b0eSStefan Hajnoczi k->exit = virtio_ccw_exit; 1772fc0b9b0eSStefan Hajnoczi set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1773fc0b9b0eSStefan Hajnoczi dc->props = vhost_vsock_ccw_properties; 1774fc0b9b0eSStefan Hajnoczi dc->reset = virtio_ccw_reset; 1775fc0b9b0eSStefan Hajnoczi } 1776fc0b9b0eSStefan Hajnoczi 1777fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_instance_init(Object *obj) 1778fc0b9b0eSStefan Hajnoczi { 1779fc0b9b0eSStefan Hajnoczi VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); 1780fc0b9b0eSStefan Hajnoczi 1781fc0b9b0eSStefan Hajnoczi virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1782fc0b9b0eSStefan Hajnoczi TYPE_VHOST_VSOCK); 1783fc0b9b0eSStefan Hajnoczi } 1784fc0b9b0eSStefan Hajnoczi 1785fc0b9b0eSStefan Hajnoczi static const TypeInfo vhost_vsock_ccw_info = { 1786fc0b9b0eSStefan Hajnoczi .name = TYPE_VHOST_VSOCK_CCW, 1787fc0b9b0eSStefan Hajnoczi .parent = TYPE_VIRTIO_CCW_DEVICE, 1788fc0b9b0eSStefan Hajnoczi .instance_size = sizeof(VHostVSockCCWState), 1789fc0b9b0eSStefan Hajnoczi .instance_init = vhost_vsock_ccw_instance_init, 1790fc0b9b0eSStefan Hajnoczi .class_init = vhost_vsock_ccw_class_init, 1791fc0b9b0eSStefan Hajnoczi }; 1792fc0b9b0eSStefan Hajnoczi #endif 1793fc0b9b0eSStefan Hajnoczi 1794a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1795a5cf2bb4SCornelia Huck { 1796a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1797a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1798a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1799a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1800a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1801a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1802a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1803b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1804ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1805b702d2aeSEd Maste #endif 18062362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1807de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1808de6a9218SPierre Morel type_register_static(&virtio_ccw_9p_info); 1809de6a9218SPierre Morel #endif 1810fc0b9b0eSStefan Hajnoczi #ifdef CONFIG_VHOST_VSOCK 1811fc0b9b0eSStefan Hajnoczi type_register_static(&vhost_vsock_ccw_info); 1812fc0b9b0eSStefan Hajnoczi #endif 1813d2256070SHalil Pasic type_register_static(&virtio_ccw_crypto); 1814a5cf2bb4SCornelia Huck } 1815a5cf2bb4SCornelia Huck 1816a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1817