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" 37517ff12cSHalil Pasic #include "hw/s390x/s390-virtio-ccw.h" 38a5cf2bb4SCornelia Huck 39797b6086SHalil Pasic #define NR_CLASSIC_INDICATOR_BITS 64 40797b6086SHalil Pasic 41517ff12cSHalil Pasic static int virtio_ccw_dev_post_load(void *opaque, int version_id) 42517ff12cSHalil Pasic { 43517ff12cSHalil Pasic VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(opaque); 44517ff12cSHalil Pasic CcwDevice *ccw_dev = CCW_DEVICE(dev); 45517ff12cSHalil Pasic CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); 46517ff12cSHalil Pasic 47517ff12cSHalil Pasic ccw_dev->sch->driver_data = dev; 48517ff12cSHalil Pasic if (ccw_dev->sch->thinint_active) { 49517ff12cSHalil Pasic dev->routes.adapter.adapter_id = css_get_adapter_id( 50517ff12cSHalil Pasic CSS_IO_ADAPTER_VIRTIO, 51517ff12cSHalil Pasic dev->thinint_isc); 52517ff12cSHalil Pasic } 53517ff12cSHalil Pasic /* Re-fill subch_id after loading the subchannel states.*/ 54517ff12cSHalil Pasic if (ck->refill_ids) { 55517ff12cSHalil Pasic ck->refill_ids(ccw_dev); 56517ff12cSHalil Pasic } 57517ff12cSHalil Pasic return 0; 58517ff12cSHalil Pasic } 59517ff12cSHalil Pasic 60517ff12cSHalil Pasic typedef struct VirtioCcwDeviceTmp { 61517ff12cSHalil Pasic VirtioCcwDevice *parent; 62517ff12cSHalil Pasic uint16_t config_vector; 63517ff12cSHalil Pasic } VirtioCcwDeviceTmp; 64517ff12cSHalil Pasic 65517ff12cSHalil Pasic static void virtio_ccw_dev_tmp_pre_save(void *opaque) 66517ff12cSHalil Pasic { 67517ff12cSHalil Pasic VirtioCcwDeviceTmp *tmp = opaque; 68517ff12cSHalil Pasic VirtioCcwDevice *dev = tmp->parent; 69517ff12cSHalil Pasic VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 70517ff12cSHalil Pasic 71517ff12cSHalil Pasic tmp->config_vector = vdev->config_vector; 72517ff12cSHalil Pasic } 73517ff12cSHalil Pasic 74517ff12cSHalil Pasic static int virtio_ccw_dev_tmp_post_load(void *opaque, int version_id) 75517ff12cSHalil Pasic { 76517ff12cSHalil Pasic VirtioCcwDeviceTmp *tmp = opaque; 77517ff12cSHalil Pasic VirtioCcwDevice *dev = tmp->parent; 78517ff12cSHalil Pasic VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 79517ff12cSHalil Pasic 80517ff12cSHalil Pasic vdev->config_vector = tmp->config_vector; 81517ff12cSHalil Pasic return 0; 82517ff12cSHalil Pasic } 83517ff12cSHalil Pasic 84517ff12cSHalil Pasic const VMStateDescription vmstate_virtio_ccw_dev_tmp = { 85517ff12cSHalil Pasic .name = "s390_virtio_ccw_dev_tmp", 86517ff12cSHalil Pasic .pre_save = virtio_ccw_dev_tmp_pre_save, 87517ff12cSHalil Pasic .post_load = virtio_ccw_dev_tmp_post_load, 88517ff12cSHalil Pasic .fields = (VMStateField[]) { 89517ff12cSHalil Pasic VMSTATE_UINT16(config_vector, VirtioCcwDeviceTmp), 90517ff12cSHalil Pasic VMSTATE_END_OF_LIST() 91517ff12cSHalil Pasic } 92517ff12cSHalil Pasic }; 93517ff12cSHalil Pasic 94517ff12cSHalil Pasic const VMStateDescription vmstate_virtio_ccw_dev = { 95517ff12cSHalil Pasic .name = "s390_virtio_ccw_dev", 96517ff12cSHalil Pasic .version_id = 1, 97517ff12cSHalil Pasic .minimum_version_id = 1, 98517ff12cSHalil Pasic .post_load = virtio_ccw_dev_post_load, 99517ff12cSHalil Pasic .fields = (VMStateField[]) { 100517ff12cSHalil Pasic VMSTATE_CCW_DEVICE(parent_obj, VirtioCcwDevice), 101517ff12cSHalil Pasic VMSTATE_PTR_TO_IND_ADDR(indicators, VirtioCcwDevice), 102517ff12cSHalil Pasic VMSTATE_PTR_TO_IND_ADDR(indicators2, VirtioCcwDevice), 103517ff12cSHalil Pasic VMSTATE_PTR_TO_IND_ADDR(summary_indicator, VirtioCcwDevice), 104517ff12cSHalil Pasic /* 105517ff12cSHalil Pasic * Ugly hack because VirtIODevice does not migrate itself. 106517ff12cSHalil Pasic * This also makes legacy via vmstate_save_state possible. 107517ff12cSHalil Pasic */ 108517ff12cSHalil Pasic VMSTATE_WITH_TMP(VirtioCcwDevice, VirtioCcwDeviceTmp, 109517ff12cSHalil Pasic vmstate_virtio_ccw_dev_tmp), 110517ff12cSHalil Pasic VMSTATE_STRUCT(routes, VirtioCcwDevice, 1, vmstate_adapter_routes, 111517ff12cSHalil Pasic AdapterRoutes), 112517ff12cSHalil Pasic VMSTATE_UINT8(thinint_isc, VirtioCcwDevice), 113517ff12cSHalil Pasic VMSTATE_INT32(revision, VirtioCcwDevice), 114517ff12cSHalil Pasic VMSTATE_END_OF_LIST() 115517ff12cSHalil Pasic } 116517ff12cSHalil Pasic }; 117517ff12cSHalil Pasic 1181bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 1191bf4d7aaSAndreas Färber VirtioCcwDevice *dev); 120d51fcfacSKONRAD Frederic 121a5cf2bb4SCornelia Huck VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch) 122a5cf2bb4SCornelia Huck { 123a5cf2bb4SCornelia Huck VirtIODevice *vdev = NULL; 124f24a6840SPaolo Bonzini VirtioCcwDevice *dev = sch->driver_data; 125a5cf2bb4SCornelia Huck 126f24a6840SPaolo Bonzini if (dev) { 127f24a6840SPaolo Bonzini vdev = virtio_bus_get_device(&dev->bus); 128a5cf2bb4SCornelia Huck } 129a5cf2bb4SCornelia Huck return vdev; 130a5cf2bb4SCornelia Huck } 131a5cf2bb4SCornelia Huck 132b4436a0bSCornelia Huck static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev) 133b4436a0bSCornelia Huck { 1347c55f68aSCornelia Huck virtio_bus_start_ioeventfd(&dev->bus); 135b4436a0bSCornelia Huck } 136b4436a0bSCornelia Huck 137b4436a0bSCornelia Huck static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev) 138b4436a0bSCornelia Huck { 1397c55f68aSCornelia Huck virtio_bus_stop_ioeventfd(&dev->bus); 1407c55f68aSCornelia Huck } 141b4436a0bSCornelia Huck 1428e93cef1SPaolo Bonzini static bool virtio_ccw_ioeventfd_enabled(DeviceState *d) 1437c55f68aSCornelia Huck { 1447c55f68aSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1457c55f68aSCornelia Huck 1468e93cef1SPaolo Bonzini return (dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) != 0; 1477c55f68aSCornelia Huck } 1487c55f68aSCornelia Huck 1497c55f68aSCornelia Huck static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier, 1507c55f68aSCornelia Huck int n, bool assign) 1517c55f68aSCornelia Huck { 1527c55f68aSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 153b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 154b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 1557c55f68aSCornelia Huck uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid; 1567c55f68aSCornelia Huck 1577c55f68aSCornelia Huck return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign); 158b4436a0bSCornelia Huck } 159b4436a0bSCornelia Huck 160a5cf2bb4SCornelia Huck /* Communication blocks used by several channel commands. */ 1610db87e0dSCornelia Huck typedef struct VqInfoBlockLegacy { 162a5cf2bb4SCornelia Huck uint64_t queue; 163a5cf2bb4SCornelia Huck uint32_t align; 164a5cf2bb4SCornelia Huck uint16_t index; 165a5cf2bb4SCornelia Huck uint16_t num; 1660db87e0dSCornelia Huck } QEMU_PACKED VqInfoBlockLegacy; 1670db87e0dSCornelia Huck 1680db87e0dSCornelia Huck typedef struct VqInfoBlock { 1690db87e0dSCornelia Huck uint64_t desc; 1700db87e0dSCornelia Huck uint32_t res0; 1710db87e0dSCornelia Huck uint16_t index; 1720db87e0dSCornelia Huck uint16_t num; 1730db87e0dSCornelia Huck uint64_t avail; 1740db87e0dSCornelia Huck uint64_t used; 175a5cf2bb4SCornelia Huck } QEMU_PACKED VqInfoBlock; 176a5cf2bb4SCornelia Huck 177a5cf2bb4SCornelia Huck typedef struct VqConfigBlock { 178a5cf2bb4SCornelia Huck uint16_t index; 179a5cf2bb4SCornelia Huck uint16_t num_max; 180a5cf2bb4SCornelia Huck } QEMU_PACKED VqConfigBlock; 181a5cf2bb4SCornelia Huck 182a5cf2bb4SCornelia Huck typedef struct VirtioFeatDesc { 183a5cf2bb4SCornelia Huck uint32_t features; 184a5cf2bb4SCornelia Huck uint8_t index; 185a5cf2bb4SCornelia Huck } QEMU_PACKED VirtioFeatDesc; 186a5cf2bb4SCornelia Huck 1877e749462SCornelia Huck typedef struct VirtioThinintInfo { 1887e749462SCornelia Huck hwaddr summary_indicator; 1897e749462SCornelia Huck hwaddr device_indicator; 1907e749462SCornelia Huck uint64_t ind_bit; 1917e749462SCornelia Huck uint8_t isc; 1927e749462SCornelia Huck } QEMU_PACKED VirtioThinintInfo; 1937e749462SCornelia Huck 194c42767f2SThomas Huth typedef struct VirtioRevInfo { 195c42767f2SThomas Huth uint16_t revision; 196c42767f2SThomas Huth uint16_t length; 197c42767f2SThomas Huth uint8_t data[0]; 198c42767f2SThomas Huth } QEMU_PACKED VirtioRevInfo; 199c42767f2SThomas Huth 200a5cf2bb4SCornelia Huck /* Specify where the virtqueues for the subchannel are in guest memory. */ 2010db87e0dSCornelia Huck static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info, 2020db87e0dSCornelia Huck VqInfoBlockLegacy *linfo) 203a5cf2bb4SCornelia Huck { 204f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 2050db87e0dSCornelia Huck uint16_t index = info ? info->index : linfo->index; 2060db87e0dSCornelia Huck uint16_t num = info ? info->num : linfo->num; 2070db87e0dSCornelia Huck uint64_t desc = info ? info->desc : linfo->queue; 208a5cf2bb4SCornelia Huck 209b1914b82SHalil Pasic if (index >= VIRTIO_QUEUE_MAX) { 210a5cf2bb4SCornelia Huck return -EINVAL; 211a5cf2bb4SCornelia Huck } 212a5cf2bb4SCornelia Huck 213a5cf2bb4SCornelia Huck /* Current code in virtio.c relies on 4K alignment. */ 2140db87e0dSCornelia Huck if (linfo && desc && (linfo->align != 4096)) { 215a5cf2bb4SCornelia Huck return -EINVAL; 216a5cf2bb4SCornelia Huck } 217a5cf2bb4SCornelia Huck 218f24a6840SPaolo Bonzini if (!vdev) { 219a5cf2bb4SCornelia Huck return -EINVAL; 220a5cf2bb4SCornelia Huck } 221a5cf2bb4SCornelia Huck 2220db87e0dSCornelia Huck if (info) { 2230db87e0dSCornelia Huck virtio_queue_set_rings(vdev, index, desc, info->avail, info->used); 2240db87e0dSCornelia Huck } else { 2250db87e0dSCornelia Huck virtio_queue_set_addr(vdev, index, desc); 2260db87e0dSCornelia Huck } 2270db87e0dSCornelia Huck if (!desc) { 228955cc8c9SJason Wang virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); 229a5cf2bb4SCornelia Huck } else { 23079cd0c80SCornelia Huck if (info) { 23179cd0c80SCornelia Huck /* virtio-1 allows changing the ring size. */ 2328c797e75SMichael S. Tsirkin if (virtio_queue_get_max_num(vdev, index) < num) { 23379cd0c80SCornelia Huck /* Fail if we exceed the maximum number. */ 234a5cf2bb4SCornelia Huck return -EINVAL; 235a5cf2bb4SCornelia Huck } 23679cd0c80SCornelia Huck virtio_queue_set_num(vdev, index, num); 23779cd0c80SCornelia Huck } else if (virtio_queue_get_num(vdev, index) > num) { 23879cd0c80SCornelia Huck /* Fail if we don't have a big enough queue. */ 23979cd0c80SCornelia Huck return -EINVAL; 24079cd0c80SCornelia Huck } 24179cd0c80SCornelia Huck /* We ignore possible increased num for legacy for compatibility. */ 242f24a6840SPaolo Bonzini virtio_queue_set_vector(vdev, index, index); 243a5cf2bb4SCornelia Huck } 244a5cf2bb4SCornelia Huck /* tell notify handler in case of config change */ 245b1914b82SHalil Pasic vdev->config_vector = VIRTIO_QUEUE_MAX; 246a5cf2bb4SCornelia Huck return 0; 247a5cf2bb4SCornelia Huck } 248a5cf2bb4SCornelia Huck 249fa8b0ca5SCornelia Huck static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev) 250fa8b0ca5SCornelia Huck { 251b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 252b804e8a6SJing Liu 253fa8b0ca5SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 254fa8b0ca5SCornelia Huck virtio_reset(vdev); 255fa8b0ca5SCornelia Huck if (dev->indicators) { 256fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 257fa8b0ca5SCornelia Huck dev->indicators = NULL; 258fa8b0ca5SCornelia Huck } 259fa8b0ca5SCornelia Huck if (dev->indicators2) { 260fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators2); 261fa8b0ca5SCornelia Huck dev->indicators2 = NULL; 262fa8b0ca5SCornelia Huck } 263fa8b0ca5SCornelia Huck if (dev->summary_indicator) { 264fa8b0ca5SCornelia Huck release_indicator(&dev->routes.adapter, dev->summary_indicator); 265fa8b0ca5SCornelia Huck dev->summary_indicator = NULL; 266fa8b0ca5SCornelia Huck } 267b804e8a6SJing Liu ccw_dev->sch->thinint_active = false; 268fa8b0ca5SCornelia Huck } 269fa8b0ca5SCornelia Huck 2700db87e0dSCornelia Huck static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len, 2710db87e0dSCornelia Huck bool is_legacy) 272a5cf2bb4SCornelia Huck { 273a5cf2bb4SCornelia Huck int ret; 274a5cf2bb4SCornelia Huck VqInfoBlock info; 2750db87e0dSCornelia Huck VqInfoBlockLegacy linfo; 2760db87e0dSCornelia Huck size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info); 2770db87e0dSCornelia Huck 2780db87e0dSCornelia Huck if (check_len) { 2790db87e0dSCornelia Huck if (ccw.count != info_len) { 2800db87e0dSCornelia Huck return -EINVAL; 2810db87e0dSCornelia Huck } 2820db87e0dSCornelia Huck } else if (ccw.count < info_len) { 2830db87e0dSCornelia Huck /* Can't execute command. */ 2840db87e0dSCornelia Huck return -EINVAL; 2850db87e0dSCornelia Huck } 2860db87e0dSCornelia Huck if (!ccw.cda) { 2870db87e0dSCornelia Huck return -EFAULT; 2880db87e0dSCornelia Huck } 2890db87e0dSCornelia Huck if (is_legacy) { 2900db87e0dSCornelia Huck linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda, 2910db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 2920db87e0dSCornelia Huck linfo.align = address_space_ldl_be(&address_space_memory, 2930db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue), 2940db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 2950db87e0dSCornelia Huck NULL); 2960db87e0dSCornelia Huck linfo.index = address_space_lduw_be(&address_space_memory, 2970db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue) 2980db87e0dSCornelia Huck + sizeof(linfo.align), 2990db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 3000db87e0dSCornelia Huck NULL); 3010db87e0dSCornelia Huck linfo.num = address_space_lduw_be(&address_space_memory, 3020db87e0dSCornelia Huck ccw.cda + sizeof(linfo.queue) 3030db87e0dSCornelia Huck + sizeof(linfo.align) 3040db87e0dSCornelia Huck + sizeof(linfo.index), 3050db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, 3060db87e0dSCornelia Huck NULL); 3070db87e0dSCornelia Huck ret = virtio_ccw_set_vqs(sch, NULL, &linfo); 3080db87e0dSCornelia Huck } else { 3090db87e0dSCornelia Huck info.desc = address_space_ldq_be(&address_space_memory, ccw.cda, 3100db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 3110db87e0dSCornelia Huck info.index = address_space_lduw_be(&address_space_memory, 3120db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 3130db87e0dSCornelia Huck + sizeof(info.res0), 3140db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 3150db87e0dSCornelia Huck info.num = address_space_lduw_be(&address_space_memory, 3160db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 3170db87e0dSCornelia Huck + sizeof(info.res0) 3180db87e0dSCornelia Huck + sizeof(info.index), 3190db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 3200db87e0dSCornelia Huck info.avail = address_space_ldq_be(&address_space_memory, 3210db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 3220db87e0dSCornelia Huck + sizeof(info.res0) 3230db87e0dSCornelia Huck + sizeof(info.index) 3240db87e0dSCornelia Huck + sizeof(info.num), 3250db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 3260db87e0dSCornelia Huck info.used = address_space_ldq_be(&address_space_memory, 3270db87e0dSCornelia Huck ccw.cda + sizeof(info.desc) 3280db87e0dSCornelia Huck + sizeof(info.res0) 3290db87e0dSCornelia Huck + sizeof(info.index) 3300db87e0dSCornelia Huck + sizeof(info.num) 3310db87e0dSCornelia Huck + sizeof(info.avail), 3320db87e0dSCornelia Huck MEMTXATTRS_UNSPECIFIED, NULL); 3330db87e0dSCornelia Huck ret = virtio_ccw_set_vqs(sch, &info, NULL); 3340db87e0dSCornelia Huck } 3350db87e0dSCornelia Huck sch->curr_status.scsw.count = 0; 3360db87e0dSCornelia Huck return ret; 3370db87e0dSCornelia Huck } 3380db87e0dSCornelia Huck 3390db87e0dSCornelia Huck static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) 3400db87e0dSCornelia Huck { 3410db87e0dSCornelia Huck int ret; 342c42767f2SThomas Huth VirtioRevInfo revinfo; 343a5cf2bb4SCornelia Huck uint8_t status; 344a5cf2bb4SCornelia Huck VirtioFeatDesc features; 345a5cf2bb4SCornelia Huck void *config; 346a5cf2bb4SCornelia Huck hwaddr indicators; 347a5cf2bb4SCornelia Huck VqConfigBlock vq_config; 348a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = sch->driver_data; 349f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_ccw_get_vdev(sch); 350a5cf2bb4SCornelia Huck bool check_len; 351a5cf2bb4SCornelia Huck int len; 352a5cf2bb4SCornelia Huck hwaddr hw_len; 3537e749462SCornelia Huck VirtioThinintInfo *thinint; 354a5cf2bb4SCornelia Huck 355a5cf2bb4SCornelia Huck if (!dev) { 356a5cf2bb4SCornelia Huck return -EINVAL; 357a5cf2bb4SCornelia Huck } 358a5cf2bb4SCornelia Huck 359a5cf2bb4SCornelia Huck trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid, 360a5cf2bb4SCornelia Huck ccw.cmd_code); 361a5cf2bb4SCornelia Huck check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC)); 362a5cf2bb4SCornelia Huck 36347e13dfdSHalil Pasic if (dev->force_revision_1 && dev->revision < 0 && 36447e13dfdSHalil Pasic ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) { 36547e13dfdSHalil Pasic /* 36647e13dfdSHalil Pasic * virtio-1 drivers must start with negotiating to a revision >= 1, 36747e13dfdSHalil Pasic * so post a command reject for all other commands 36847e13dfdSHalil Pasic */ 36947e13dfdSHalil Pasic return -ENOSYS; 37047e13dfdSHalil Pasic } 37147e13dfdSHalil Pasic 372a5cf2bb4SCornelia Huck /* Look at the command. */ 373a5cf2bb4SCornelia Huck switch (ccw.cmd_code) { 374a5cf2bb4SCornelia Huck case CCW_CMD_SET_VQ: 3750db87e0dSCornelia Huck ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1); 376a5cf2bb4SCornelia Huck break; 377a5cf2bb4SCornelia Huck case CCW_CMD_VDEV_RESET: 378fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 379a5cf2bb4SCornelia Huck ret = 0; 380a5cf2bb4SCornelia Huck break; 381a5cf2bb4SCornelia Huck case CCW_CMD_READ_FEAT: 382a5cf2bb4SCornelia Huck if (check_len) { 383a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 384a5cf2bb4SCornelia Huck ret = -EINVAL; 385a5cf2bb4SCornelia Huck break; 386a5cf2bb4SCornelia Huck } 387a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 388a5cf2bb4SCornelia Huck /* Can't execute command. */ 389a5cf2bb4SCornelia Huck ret = -EINVAL; 390a5cf2bb4SCornelia Huck break; 391a5cf2bb4SCornelia Huck } 392a5cf2bb4SCornelia Huck if (!ccw.cda) { 393a5cf2bb4SCornelia Huck ret = -EFAULT; 394a5cf2bb4SCornelia Huck } else { 3959b706dbbSMichael S. Tsirkin VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); 3969b706dbbSMichael S. Tsirkin 39742874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 39842874d3aSPeter Maydell ccw.cda 39942874d3aSPeter Maydell + sizeof(features.features), 40042874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 40142874d3aSPeter Maydell NULL); 4026b8f1020SCornelia Huck if (features.index == 0) { 403542571d5SCornelia Huck if (dev->revision >= 1) { 404542571d5SCornelia Huck /* Don't offer legacy features for modern devices. */ 405542571d5SCornelia Huck features.features = (uint32_t) 4069b706dbbSMichael S. Tsirkin (vdev->host_features & ~vdc->legacy_features); 407542571d5SCornelia Huck } else { 408c42767f2SThomas Huth features.features = (uint32_t)vdev->host_features; 409542571d5SCornelia Huck } 410b4f8f9dfSCornelia Huck } else if ((features.index == 1) && (dev->revision >= 1)) { 411c42767f2SThomas Huth /* 412b4f8f9dfSCornelia Huck * Only offer feature bits beyond 31 if the guest has 413b4f8f9dfSCornelia Huck * negotiated at least revision 1. 414c42767f2SThomas Huth */ 415b4f8f9dfSCornelia Huck features.features = (uint32_t)(vdev->host_features >> 32); 416a5cf2bb4SCornelia Huck } else { 417a5cf2bb4SCornelia Huck /* Return zeroes if the guest supports more feature bits. */ 418a5cf2bb4SCornelia Huck features.features = 0; 419a5cf2bb4SCornelia Huck } 42042874d3aSPeter Maydell address_space_stl_le(&address_space_memory, ccw.cda, 42142874d3aSPeter Maydell features.features, MEMTXATTRS_UNSPECIFIED, 42242874d3aSPeter Maydell NULL); 423a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 424a5cf2bb4SCornelia Huck ret = 0; 425a5cf2bb4SCornelia Huck } 426a5cf2bb4SCornelia Huck break; 427a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_FEAT: 428a5cf2bb4SCornelia Huck if (check_len) { 429a5cf2bb4SCornelia Huck if (ccw.count != sizeof(features)) { 430a5cf2bb4SCornelia Huck ret = -EINVAL; 431a5cf2bb4SCornelia Huck break; 432a5cf2bb4SCornelia Huck } 433a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(features)) { 434a5cf2bb4SCornelia Huck /* Can't execute command. */ 435a5cf2bb4SCornelia Huck ret = -EINVAL; 436a5cf2bb4SCornelia Huck break; 437a5cf2bb4SCornelia Huck } 438a5cf2bb4SCornelia Huck if (!ccw.cda) { 439a5cf2bb4SCornelia Huck ret = -EFAULT; 440a5cf2bb4SCornelia Huck } else { 44142874d3aSPeter Maydell features.index = address_space_ldub(&address_space_memory, 44242874d3aSPeter Maydell ccw.cda 44342874d3aSPeter Maydell + sizeof(features.features), 44442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 44542874d3aSPeter Maydell NULL); 44642874d3aSPeter Maydell features.features = address_space_ldl_le(&address_space_memory, 44742874d3aSPeter Maydell ccw.cda, 44842874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 44942874d3aSPeter Maydell NULL); 4506b8f1020SCornelia Huck if (features.index == 0) { 451c42767f2SThomas Huth virtio_set_features(vdev, 452c42767f2SThomas Huth (vdev->guest_features & 0xffffffff00000000ULL) | 453c42767f2SThomas Huth features.features); 454b4f8f9dfSCornelia Huck } else if ((features.index == 1) && (dev->revision >= 1)) { 455c42767f2SThomas Huth /* 456b4f8f9dfSCornelia Huck * If the guest did not negotiate at least revision 1, 457b4f8f9dfSCornelia Huck * we did not offer it any feature bits beyond 31. Such a 458b4f8f9dfSCornelia Huck * guest passing us any bit here is therefore buggy. 459c42767f2SThomas Huth */ 460c42767f2SThomas Huth virtio_set_features(vdev, 461c42767f2SThomas Huth (vdev->guest_features & 0x00000000ffffffffULL) | 462c42767f2SThomas Huth ((uint64_t)features.features << 32)); 463a5cf2bb4SCornelia Huck } else { 464a5cf2bb4SCornelia Huck /* 465a5cf2bb4SCornelia Huck * If the guest supports more feature bits, assert that it 466a5cf2bb4SCornelia Huck * passes us zeroes for those we don't support. 467a5cf2bb4SCornelia Huck */ 468a5cf2bb4SCornelia Huck if (features.features) { 469a5cf2bb4SCornelia Huck fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n", 470a5cf2bb4SCornelia Huck features.index, features.features); 471a5cf2bb4SCornelia Huck /* XXX: do a unit check here? */ 472a5cf2bb4SCornelia Huck } 473a5cf2bb4SCornelia Huck } 474a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(features); 475a5cf2bb4SCornelia Huck ret = 0; 476a5cf2bb4SCornelia Huck } 477a5cf2bb4SCornelia Huck break; 478a5cf2bb4SCornelia Huck case CCW_CMD_READ_CONF: 479a5cf2bb4SCornelia Huck if (check_len) { 480f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 481a5cf2bb4SCornelia Huck ret = -EINVAL; 482a5cf2bb4SCornelia Huck break; 483a5cf2bb4SCornelia Huck } 484a5cf2bb4SCornelia Huck } 485f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 486a5cf2bb4SCornelia Huck if (!ccw.cda) { 487a5cf2bb4SCornelia Huck ret = -EFAULT; 488a5cf2bb4SCornelia Huck } else { 489f24a6840SPaolo Bonzini virtio_bus_get_vdev_config(&dev->bus, vdev->config); 490a5cf2bb4SCornelia Huck /* XXX config space endianness */ 491f24a6840SPaolo Bonzini cpu_physical_memory_write(ccw.cda, vdev->config, len); 492a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 493a5cf2bb4SCornelia Huck ret = 0; 494a5cf2bb4SCornelia Huck } 495a5cf2bb4SCornelia Huck break; 496a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_CONF: 497a5cf2bb4SCornelia Huck if (check_len) { 498f24a6840SPaolo Bonzini if (ccw.count > vdev->config_len) { 499a5cf2bb4SCornelia Huck ret = -EINVAL; 500a5cf2bb4SCornelia Huck break; 501a5cf2bb4SCornelia Huck } 502a5cf2bb4SCornelia Huck } 503f24a6840SPaolo Bonzini len = MIN(ccw.count, vdev->config_len); 504a5cf2bb4SCornelia Huck hw_len = len; 505a5cf2bb4SCornelia Huck if (!ccw.cda) { 506a5cf2bb4SCornelia Huck ret = -EFAULT; 507a5cf2bb4SCornelia Huck } else { 508a5cf2bb4SCornelia Huck config = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 509a5cf2bb4SCornelia Huck if (!config) { 510a5cf2bb4SCornelia Huck ret = -EFAULT; 511a5cf2bb4SCornelia Huck } else { 512a5cf2bb4SCornelia Huck len = hw_len; 513a5cf2bb4SCornelia Huck /* XXX config space endianness */ 514f24a6840SPaolo Bonzini memcpy(vdev->config, config, len); 515a5cf2bb4SCornelia Huck cpu_physical_memory_unmap(config, hw_len, 0, hw_len); 516f24a6840SPaolo Bonzini virtio_bus_set_vdev_config(&dev->bus, vdev->config); 517a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 518a5cf2bb4SCornelia Huck ret = 0; 519a5cf2bb4SCornelia Huck } 520a5cf2bb4SCornelia Huck } 521a5cf2bb4SCornelia Huck break; 522e32652f7SPierre Morel case CCW_CMD_READ_STATUS: 523e32652f7SPierre Morel if (check_len) { 524e32652f7SPierre Morel if (ccw.count != sizeof(status)) { 525e32652f7SPierre Morel ret = -EINVAL; 526e32652f7SPierre Morel break; 527e32652f7SPierre Morel } 528e32652f7SPierre Morel } else if (ccw.count < sizeof(status)) { 529e32652f7SPierre Morel /* Can't execute command. */ 530e32652f7SPierre Morel ret = -EINVAL; 531e32652f7SPierre Morel break; 532e32652f7SPierre Morel } 533e32652f7SPierre Morel if (!ccw.cda) { 534e32652f7SPierre Morel ret = -EFAULT; 535e32652f7SPierre Morel } else { 536e32652f7SPierre Morel address_space_stb(&address_space_memory, ccw.cda, vdev->status, 537e32652f7SPierre Morel MEMTXATTRS_UNSPECIFIED, NULL); 538e32652f7SPierre Morel sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);; 539e32652f7SPierre Morel ret = 0; 540e32652f7SPierre Morel } 541e32652f7SPierre Morel break; 542a5cf2bb4SCornelia Huck case CCW_CMD_WRITE_STATUS: 543a5cf2bb4SCornelia Huck if (check_len) { 544a5cf2bb4SCornelia Huck if (ccw.count != sizeof(status)) { 545a5cf2bb4SCornelia Huck ret = -EINVAL; 546a5cf2bb4SCornelia Huck break; 547a5cf2bb4SCornelia Huck } 548a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(status)) { 549a5cf2bb4SCornelia Huck /* Can't execute command. */ 550a5cf2bb4SCornelia Huck ret = -EINVAL; 551a5cf2bb4SCornelia Huck break; 552a5cf2bb4SCornelia Huck } 553a5cf2bb4SCornelia Huck if (!ccw.cda) { 554a5cf2bb4SCornelia Huck ret = -EFAULT; 555a5cf2bb4SCornelia Huck } else { 55642874d3aSPeter Maydell status = address_space_ldub(&address_space_memory, ccw.cda, 55742874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 558b4436a0bSCornelia Huck if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) { 559b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 560b4436a0bSCornelia Huck } 5610b352fd6SCornelia Huck if (virtio_set_status(vdev, status) == 0) { 562f24a6840SPaolo Bonzini if (vdev->status == 0) { 563fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 564a5cf2bb4SCornelia Huck } 565b4436a0bSCornelia Huck if (status & VIRTIO_CONFIG_S_DRIVER_OK) { 566b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 567b4436a0bSCornelia Huck } 568a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(status); 569a5cf2bb4SCornelia Huck ret = 0; 5700b352fd6SCornelia Huck } else { 5710b352fd6SCornelia Huck /* Trigger a command reject. */ 5720b352fd6SCornelia Huck ret = -ENOSYS; 5730b352fd6SCornelia Huck } 574a5cf2bb4SCornelia Huck } 575a5cf2bb4SCornelia Huck break; 576a5cf2bb4SCornelia Huck case CCW_CMD_SET_IND: 577a5cf2bb4SCornelia Huck if (check_len) { 578a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 579a5cf2bb4SCornelia Huck ret = -EINVAL; 580a5cf2bb4SCornelia Huck break; 581a5cf2bb4SCornelia Huck } 582a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 583a5cf2bb4SCornelia Huck /* Can't execute command. */ 584a5cf2bb4SCornelia Huck ret = -EINVAL; 585a5cf2bb4SCornelia Huck break; 586a5cf2bb4SCornelia Huck } 5877e749462SCornelia Huck if (sch->thinint_active) { 5887e749462SCornelia Huck /* Trigger a command reject. */ 5897e749462SCornelia Huck ret = -ENOSYS; 5907e749462SCornelia Huck break; 5917e749462SCornelia Huck } 592797b6086SHalil Pasic if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) { 593797b6086SHalil Pasic /* More queues than indicator bits --> trigger a reject */ 594797b6086SHalil Pasic ret = -ENOSYS; 595797b6086SHalil Pasic break; 596797b6086SHalil Pasic } 597d1db1fa8SCornelia Huck if (!ccw.cda) { 598a5cf2bb4SCornelia Huck ret = -EFAULT; 599a5cf2bb4SCornelia Huck } else { 60042874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 60142874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 6027bca3892SCornelia Huck dev->indicators = get_indicator(indicators, sizeof(uint64_t)); 603a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 604a5cf2bb4SCornelia Huck ret = 0; 605a5cf2bb4SCornelia Huck } 606a5cf2bb4SCornelia Huck break; 607a5cf2bb4SCornelia Huck case CCW_CMD_SET_CONF_IND: 608a5cf2bb4SCornelia Huck if (check_len) { 609a5cf2bb4SCornelia Huck if (ccw.count != sizeof(indicators)) { 610a5cf2bb4SCornelia Huck ret = -EINVAL; 611a5cf2bb4SCornelia Huck break; 612a5cf2bb4SCornelia Huck } 613a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(indicators)) { 614a5cf2bb4SCornelia Huck /* Can't execute command. */ 615a5cf2bb4SCornelia Huck ret = -EINVAL; 616a5cf2bb4SCornelia Huck break; 617a5cf2bb4SCornelia Huck } 618d1db1fa8SCornelia Huck if (!ccw.cda) { 619a5cf2bb4SCornelia Huck ret = -EFAULT; 620a5cf2bb4SCornelia Huck } else { 62142874d3aSPeter Maydell indicators = address_space_ldq_be(&address_space_memory, ccw.cda, 62242874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, NULL); 6237bca3892SCornelia Huck dev->indicators2 = get_indicator(indicators, sizeof(uint64_t)); 624a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(indicators); 625a5cf2bb4SCornelia Huck ret = 0; 626a5cf2bb4SCornelia Huck } 627a5cf2bb4SCornelia Huck break; 628a5cf2bb4SCornelia Huck case CCW_CMD_READ_VQ_CONF: 629a5cf2bb4SCornelia Huck if (check_len) { 630a5cf2bb4SCornelia Huck if (ccw.count != sizeof(vq_config)) { 631a5cf2bb4SCornelia Huck ret = -EINVAL; 632a5cf2bb4SCornelia Huck break; 633a5cf2bb4SCornelia Huck } 634a5cf2bb4SCornelia Huck } else if (ccw.count < sizeof(vq_config)) { 635a5cf2bb4SCornelia Huck /* Can't execute command. */ 636a5cf2bb4SCornelia Huck ret = -EINVAL; 637a5cf2bb4SCornelia Huck break; 638a5cf2bb4SCornelia Huck } 639a5cf2bb4SCornelia Huck if (!ccw.cda) { 640a5cf2bb4SCornelia Huck ret = -EFAULT; 641a5cf2bb4SCornelia Huck } else { 64242874d3aSPeter Maydell vq_config.index = address_space_lduw_be(&address_space_memory, 64342874d3aSPeter Maydell ccw.cda, 64442874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 64542874d3aSPeter Maydell NULL); 646b1914b82SHalil Pasic if (vq_config.index >= VIRTIO_QUEUE_MAX) { 647d03a3630SCornelia Huck ret = -EINVAL; 648d03a3630SCornelia Huck break; 649d03a3630SCornelia Huck } 650f24a6840SPaolo Bonzini vq_config.num_max = virtio_queue_get_num(vdev, 651a5cf2bb4SCornelia Huck vq_config.index); 65242874d3aSPeter Maydell address_space_stw_be(&address_space_memory, 65342874d3aSPeter Maydell ccw.cda + sizeof(vq_config.index), 65442874d3aSPeter Maydell vq_config.num_max, 65542874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 65642874d3aSPeter Maydell NULL); 657a5cf2bb4SCornelia Huck sch->curr_status.scsw.count = ccw.count - sizeof(vq_config); 658a5cf2bb4SCornelia Huck ret = 0; 659a5cf2bb4SCornelia Huck } 660a5cf2bb4SCornelia Huck break; 6617e749462SCornelia Huck case CCW_CMD_SET_IND_ADAPTER: 6627e749462SCornelia Huck if (check_len) { 6637e749462SCornelia Huck if (ccw.count != sizeof(*thinint)) { 6647e749462SCornelia Huck ret = -EINVAL; 6657e749462SCornelia Huck break; 6667e749462SCornelia Huck } 6677e749462SCornelia Huck } else if (ccw.count < sizeof(*thinint)) { 6687e749462SCornelia Huck /* Can't execute command. */ 6697e749462SCornelia Huck ret = -EINVAL; 6707e749462SCornelia Huck break; 6717e749462SCornelia Huck } 6727e749462SCornelia Huck len = sizeof(*thinint); 6737e749462SCornelia Huck hw_len = len; 6747e749462SCornelia Huck if (!ccw.cda) { 6757e749462SCornelia Huck ret = -EFAULT; 6767e749462SCornelia Huck } else if (dev->indicators && !sch->thinint_active) { 6777e749462SCornelia Huck /* Trigger a command reject. */ 6787e749462SCornelia Huck ret = -ENOSYS; 6797e749462SCornelia Huck } else { 6807e749462SCornelia Huck thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0); 6817e749462SCornelia Huck if (!thinint) { 6827e749462SCornelia Huck ret = -EFAULT; 6837e749462SCornelia Huck } else { 6847d45285fSCornelia Huck uint64_t ind_bit = ldq_be_p(&thinint->ind_bit); 6857d45285fSCornelia Huck 6867e749462SCornelia Huck len = hw_len; 6877bca3892SCornelia Huck dev->summary_indicator = 6887d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->summary_indicator), 6897d45285fSCornelia Huck sizeof(uint8_t)); 6907d45285fSCornelia Huck dev->indicators = 6917d45285fSCornelia Huck get_indicator(ldq_be_p(&thinint->device_indicator), 6927d45285fSCornelia Huck ind_bit / 8 + 1); 6937e749462SCornelia Huck dev->thinint_isc = thinint->isc; 6947d45285fSCornelia Huck dev->routes.adapter.ind_offset = ind_bit; 695d426d9fbSCornelia Huck dev->routes.adapter.summary_offset = 7; 6967e749462SCornelia Huck cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len); 697dde522bbSFei Li dev->routes.adapter.adapter_id = css_get_adapter_id( 698dde522bbSFei Li CSS_IO_ADAPTER_VIRTIO, 699dde522bbSFei Li dev->thinint_isc); 7007bca3892SCornelia Huck sch->thinint_active = ((dev->indicators != NULL) && 7017bca3892SCornelia Huck (dev->summary_indicator != NULL)); 7027e749462SCornelia Huck sch->curr_status.scsw.count = ccw.count - len; 7037e749462SCornelia Huck ret = 0; 7047e749462SCornelia Huck } 7057e749462SCornelia Huck } 7067e749462SCornelia Huck break; 707c42767f2SThomas Huth case CCW_CMD_SET_VIRTIO_REV: 708c42767f2SThomas Huth len = sizeof(revinfo); 709c42767f2SThomas Huth if (ccw.count < len) { 710c42767f2SThomas Huth ret = -EINVAL; 711c42767f2SThomas Huth break; 712c42767f2SThomas Huth } 713c42767f2SThomas Huth if (!ccw.cda) { 714c42767f2SThomas Huth ret = -EFAULT; 715c42767f2SThomas Huth break; 716c42767f2SThomas Huth } 717c42767f2SThomas Huth revinfo.revision = 718c42767f2SThomas Huth address_space_lduw_be(&address_space_memory, ccw.cda, 719c42767f2SThomas Huth MEMTXATTRS_UNSPECIFIED, NULL); 720c42767f2SThomas Huth revinfo.length = 721c42767f2SThomas Huth address_space_lduw_be(&address_space_memory, 722c42767f2SThomas Huth ccw.cda + sizeof(revinfo.revision), 723c42767f2SThomas Huth MEMTXATTRS_UNSPECIFIED, NULL); 724c42767f2SThomas Huth if (ccw.count < len + revinfo.length || 725c42767f2SThomas Huth (check_len && ccw.count > len + revinfo.length)) { 726c42767f2SThomas Huth ret = -EINVAL; 727c42767f2SThomas Huth break; 728c42767f2SThomas Huth } 729c42767f2SThomas Huth /* 730c42767f2SThomas Huth * Once we start to support revisions with additional data, we'll 731c42767f2SThomas Huth * need to fetch it here. Nothing to do for now, though. 732c42767f2SThomas Huth */ 733c42767f2SThomas Huth if (dev->revision >= 0 || 73447e13dfdSHalil Pasic revinfo.revision > virtio_ccw_rev_max(dev) || 73547e13dfdSHalil Pasic (dev->force_revision_1 && !revinfo.revision)) { 736c42767f2SThomas Huth ret = -ENOSYS; 737c42767f2SThomas Huth break; 738c42767f2SThomas Huth } 739c42767f2SThomas Huth ret = 0; 740c42767f2SThomas Huth dev->revision = revinfo.revision; 741c42767f2SThomas Huth break; 742a5cf2bb4SCornelia Huck default: 7438d034a6fSCornelia Huck ret = -ENOSYS; 744a5cf2bb4SCornelia Huck break; 745a5cf2bb4SCornelia Huck } 746a5cf2bb4SCornelia Huck return ret; 747a5cf2bb4SCornelia Huck } 748a5cf2bb4SCornelia Huck 749c42767f2SThomas Huth static void virtio_sch_disable_cb(SubchDev *sch) 750c42767f2SThomas Huth { 751c42767f2SThomas Huth VirtioCcwDevice *dev = sch->driver_data; 752c42767f2SThomas Huth 753c42767f2SThomas Huth dev->revision = -1; 754c42767f2SThomas Huth } 755c42767f2SThomas Huth 7561fa75523SCornelia Huck static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) 757a5cf2bb4SCornelia Huck { 7581fa75523SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 759b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 760d8d98db5SDong Jia Shi CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev); 761817d4a6bSDong Jia Shi DeviceState *parent = DEVICE(ccw_dev); 762817d4a6bSDong Jia Shi BusState *qbus = qdev_get_parent_bus(parent); 763817d4a6bSDong Jia Shi VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus); 764817d4a6bSDong Jia Shi SubchDev *sch; 765cf249935SSascha Silbe Error *err = NULL; 766a5cf2bb4SCornelia Huck 767817d4a6bSDong Jia Shi sch = css_create_sch(ccw_dev->devno, true, cbus->squash_mcss, errp); 768cf249935SSascha Silbe if (!sch) { 769cf249935SSascha Silbe return; 770cf249935SSascha Silbe } 77147e13dfdSHalil Pasic if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) { 77247e13dfdSHalil Pasic error_setg(&err, "Invalid value of property max_rev " 77347e13dfdSHalil Pasic "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); 774d8d98db5SDong Jia Shi goto out_err; 77547e13dfdSHalil Pasic } 776a5cf2bb4SCornelia Huck 777a5cf2bb4SCornelia Huck sch->driver_data = dev; 778a5cf2bb4SCornelia Huck sch->ccw_cb = virtio_ccw_cb; 779c42767f2SThomas Huth sch->disable_cb = virtio_sch_disable_cb; 780a5cf2bb4SCornelia Huck sch->id.reserved = 0xff; 781a5cf2bb4SCornelia Huck sch->id.cu_type = VIRTIO_CCW_CU_TYPE; 782bab482d7SXiao Feng Ren sch->do_subchannel_work = do_subchannel_work_virtual; 783b804e8a6SJing Liu ccw_dev->sch = sch; 784cf249935SSascha Silbe dev->indicators = NULL; 785c42767f2SThomas Huth dev->revision = -1; 786cf249935SSascha Silbe css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE); 787cf249935SSascha Silbe 788cf249935SSascha Silbe trace_virtio_ccw_new_device( 789cf249935SSascha Silbe sch->cssid, sch->ssid, sch->schid, sch->devno, 7902a78ac66SDong Jia Shi ccw_dev->devno.valid ? "user-configured" : "auto-configured"); 791c42767f2SThomas Huth 792*cda3c19fSQingFeng Hao if (kvm_enabled() && !kvm_eventfds_enabled()) { 793ca2b413cSPaolo Bonzini dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; 794ca2b413cSPaolo Bonzini } 795ca2b413cSPaolo Bonzini 7961fa75523SCornelia Huck if (k->realize) { 7971fa75523SCornelia Huck k->realize(dev, &err); 7981fa75523SCornelia Huck if (err) { 799d8d98db5SDong Jia Shi goto out_err; 800d8d98db5SDong Jia Shi } 801d8d98db5SDong Jia Shi } 802d8d98db5SDong Jia Shi 803d8d98db5SDong Jia Shi ck->realize(ccw_dev, &err); 804d8d98db5SDong Jia Shi if (err) { 805d8d98db5SDong Jia Shi goto out_err; 806d8d98db5SDong Jia Shi } 807d8d98db5SDong Jia Shi 808d8d98db5SDong Jia Shi return; 809d8d98db5SDong Jia Shi 810d8d98db5SDong Jia Shi out_err: 8111fa75523SCornelia Huck error_propagate(errp, err); 81206e686eaSCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 813b804e8a6SJing Liu ccw_dev->sch = NULL; 814a5cf2bb4SCornelia Huck g_free(sch); 815a5cf2bb4SCornelia Huck } 816a5cf2bb4SCornelia Huck 817a5cf2bb4SCornelia Huck static int virtio_ccw_exit(VirtioCcwDevice *dev) 818a5cf2bb4SCornelia Huck { 819b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 820b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 821a5cf2bb4SCornelia Huck 822a5cf2bb4SCornelia Huck if (sch) { 823a5cf2bb4SCornelia Huck css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL); 824a5cf2bb4SCornelia Huck g_free(sch); 825a5cf2bb4SCornelia Huck } 8267bca3892SCornelia Huck if (dev->indicators) { 827d426d9fbSCornelia Huck release_indicator(&dev->routes.adapter, dev->indicators); 8287bca3892SCornelia Huck dev->indicators = NULL; 8297bca3892SCornelia Huck } 830a5cf2bb4SCornelia Huck return 0; 831a5cf2bb4SCornelia Huck } 832a5cf2bb4SCornelia Huck 8335e5ced38SMarkus Armbruster static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) 834a5cf2bb4SCornelia Huck { 835800ced8cSKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 83689334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); 83789334c8bSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 838a5cf2bb4SCornelia Huck 839800ced8cSKONRAD Frederic virtio_net_set_netclient_name(&dev->vdev, qdev->id, 840800ced8cSKONRAD Frederic object_get_typename(OBJECT(qdev))); 84189334c8bSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8426b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 843a5cf2bb4SCornelia Huck } 844a5cf2bb4SCornelia Huck 84589334c8bSKONRAD Frederic static void virtio_ccw_net_instance_init(Object *obj) 846a5cf2bb4SCornelia Huck { 84789334c8bSKONRAD Frederic VirtIONetCcw *dev = VIRTIO_NET_CCW(obj); 848c8075cafSGonglei 849c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 850c8075cafSGonglei TYPE_VIRTIO_NET); 8510cf63c3eSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 8520cf63c3eSGonglei "bootindex", &error_abort); 853a5cf2bb4SCornelia Huck } 854a5cf2bb4SCornelia Huck 8555e5ced38SMarkus Armbruster static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) 856a5cf2bb4SCornelia Huck { 8573400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); 8583400c455SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 8595e5ced38SMarkus Armbruster 8603400c455SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8616b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 862a5cf2bb4SCornelia Huck } 863a5cf2bb4SCornelia Huck 8643400c455SKONRAD Frederic static void virtio_ccw_blk_instance_init(Object *obj) 865a5cf2bb4SCornelia Huck { 8663400c455SKONRAD Frederic VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj); 867c8075cafSGonglei 868c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 869c8075cafSGonglei TYPE_VIRTIO_BLK); 870467b3f33SStefan Hajnoczi object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", 871467b3f33SStefan Hajnoczi &error_abort); 872aeb98ddcSGonglei object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev), 873aeb98ddcSGonglei "bootindex", &error_abort); 874a5cf2bb4SCornelia Huck } 875a5cf2bb4SCornelia Huck 8765e5ced38SMarkus Armbruster static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) 877a5cf2bb4SCornelia Huck { 8786acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); 8796acf69cdSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 88080270a19SKONRAD Frederic DeviceState *proxy = DEVICE(ccw_dev); 88180270a19SKONRAD Frederic char *bus_name; 88280270a19SKONRAD Frederic 88380270a19SKONRAD Frederic /* 88480270a19SKONRAD Frederic * For command line compatibility, this sets the virtio-serial-device bus 88580270a19SKONRAD Frederic * name as before. 88680270a19SKONRAD Frederic */ 88780270a19SKONRAD Frederic if (proxy->id) { 88880270a19SKONRAD Frederic bus_name = g_strdup_printf("%s.0", proxy->id); 88980270a19SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 89080270a19SKONRAD Frederic g_free(bus_name); 89180270a19SKONRAD Frederic } 892a5cf2bb4SCornelia Huck 8936acf69cdSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 8946b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 895a5cf2bb4SCornelia Huck } 896a5cf2bb4SCornelia Huck 8976acf69cdSKONRAD Frederic 8986acf69cdSKONRAD Frederic static void virtio_ccw_serial_instance_init(Object *obj) 899a5cf2bb4SCornelia Huck { 9006acf69cdSKONRAD Frederic VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); 901c8075cafSGonglei 902c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 903c8075cafSGonglei TYPE_VIRTIO_SERIAL); 904a5cf2bb4SCornelia Huck } 905a5cf2bb4SCornelia Huck 9065e5ced38SMarkus Armbruster static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 907a5cf2bb4SCornelia Huck { 90830bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 90930bff6a0SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 910a5cf2bb4SCornelia Huck 91130bff6a0SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9126b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 913a5cf2bb4SCornelia Huck } 914a5cf2bb4SCornelia Huck 91530bff6a0SKONRAD Frederic static void virtio_ccw_balloon_instance_init(Object *obj) 916a5cf2bb4SCornelia Huck { 91730bff6a0SKONRAD Frederic VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 918ecfa60e3SShannon Zhao 919a6027b0fSDenis V. Lunev virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 920a6027b0fSDenis V. Lunev TYPE_VIRTIO_BALLOON); 921ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 922ecfa60e3SShannon Zhao "guest-stats", &error_abort); 923ecfa60e3SShannon Zhao object_property_add_alias(obj, "guest-stats-polling-interval", 924ecfa60e3SShannon Zhao OBJECT(&dev->vdev), 925ecfa60e3SShannon Zhao "guest-stats-polling-interval", &error_abort); 926a5cf2bb4SCornelia Huck } 927a5cf2bb4SCornelia Huck 9285e5ced38SMarkus Armbruster static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 929a5cf2bb4SCornelia Huck { 930c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); 931c908ea10SKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9326f32a6b4SKONRAD Frederic DeviceState *qdev = DEVICE(ccw_dev); 9336f32a6b4SKONRAD Frederic char *bus_name; 9346f32a6b4SKONRAD Frederic 9356f32a6b4SKONRAD Frederic /* 9366f32a6b4SKONRAD Frederic * For command line compatibility, this sets the virtio-scsi-device bus 9376f32a6b4SKONRAD Frederic * name as before. 9386f32a6b4SKONRAD Frederic */ 9396f32a6b4SKONRAD Frederic if (qdev->id) { 9406f32a6b4SKONRAD Frederic bus_name = g_strdup_printf("%s.0", qdev->id); 9416f32a6b4SKONRAD Frederic virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); 9426f32a6b4SKONRAD Frederic g_free(bus_name); 9436f32a6b4SKONRAD Frederic } 944a5cf2bb4SCornelia Huck 945c908ea10SKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9466b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 947a5cf2bb4SCornelia Huck } 948a5cf2bb4SCornelia Huck 949c908ea10SKONRAD Frederic static void virtio_ccw_scsi_instance_init(Object *obj) 950a5cf2bb4SCornelia Huck { 951c908ea10SKONRAD Frederic VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); 952c8075cafSGonglei 953c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 954c8075cafSGonglei TYPE_VIRTIO_SCSI); 95519d339f1SFam Zheng object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread", 95619d339f1SFam Zheng &error_abort); 957a5cf2bb4SCornelia Huck } 958a5cf2bb4SCornelia Huck 959ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 9605e5ced38SMarkus Armbruster static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) 961ccf6916cSPaolo Bonzini { 962ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); 963ccf6916cSPaolo Bonzini DeviceState *vdev = DEVICE(&dev->vdev); 964ccf6916cSPaolo Bonzini 965ccf6916cSPaolo Bonzini qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9666b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 967ccf6916cSPaolo Bonzini } 968ccf6916cSPaolo Bonzini 969ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_instance_init(Object *obj) 970ccf6916cSPaolo Bonzini { 971ccf6916cSPaolo Bonzini VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); 972c8075cafSGonglei 973c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 974c8075cafSGonglei TYPE_VHOST_SCSI); 975ccf6916cSPaolo Bonzini } 976ccf6916cSPaolo Bonzini #endif 977ccf6916cSPaolo Bonzini 9785e5ced38SMarkus Armbruster static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) 9792362ecc5SCornelia Huck { 9802db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); 9812db26d4cSKONRAD Frederic DeviceState *vdev = DEVICE(&dev->vdev); 9825e5ced38SMarkus Armbruster Error *err = NULL; 9832362ecc5SCornelia Huck 9842db26d4cSKONRAD Frederic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 9855e5ced38SMarkus Armbruster object_property_set_bool(OBJECT(vdev), true, "realized", &err); 9865e5ced38SMarkus Armbruster if (err) { 9875e5ced38SMarkus Armbruster error_propagate(errp, err); 9885e5ced38SMarkus Armbruster return; 9892362ecc5SCornelia Huck } 9902362ecc5SCornelia Huck 9912db26d4cSKONRAD Frederic object_property_set_link(OBJECT(dev), 9925b456438SCole Robinson OBJECT(dev->vdev.conf.rng), "rng", 9932db26d4cSKONRAD Frederic NULL); 9942362ecc5SCornelia Huck } 9952362ecc5SCornelia Huck 996d2256070SHalil Pasic static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp) 997d2256070SHalil Pasic { 998d2256070SHalil Pasic VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev); 999d2256070SHalil Pasic DeviceState *vdev = DEVICE(&dev->vdev); 1000d2256070SHalil Pasic Error *err = NULL; 1001d2256070SHalil Pasic 1002d2256070SHalil Pasic qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1003d2256070SHalil Pasic object_property_set_bool(OBJECT(vdev), true, "realized", &err); 1004d2256070SHalil Pasic if (err) { 1005d2256070SHalil Pasic error_propagate(errp, err); 1006d2256070SHalil Pasic return; 1007d2256070SHalil Pasic } 1008d2256070SHalil Pasic 1009d2256070SHalil Pasic object_property_set_link(OBJECT(vdev), 1010d2256070SHalil Pasic OBJECT(dev->vdev.conf.cryptodev), "cryptodev", 1011d2256070SHalil Pasic NULL); 1012d2256070SHalil Pasic } 1013d2256070SHalil Pasic 1014a5cf2bb4SCornelia Huck /* DeviceState to VirtioCcwDevice. Note: used on datapath, 1015a5cf2bb4SCornelia Huck * be careful and test performance if you change this. 1016a5cf2bb4SCornelia Huck */ 1017a5cf2bb4SCornelia Huck static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d) 1018a5cf2bb4SCornelia Huck { 1019b804e8a6SJing Liu CcwDevice *ccw_dev = to_ccw_dev_fast(d); 1020b804e8a6SJing Liu 1021b804e8a6SJing Liu return container_of(ccw_dev, VirtioCcwDevice, parent_obj); 1022a5cf2bb4SCornelia Huck } 1023a5cf2bb4SCornelia Huck 10247e749462SCornelia Huck static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, 10257e749462SCornelia Huck uint8_t to_be_set) 10267e749462SCornelia Huck { 10277e749462SCornelia Huck uint8_t ind_old, ind_new; 10287e749462SCornelia Huck hwaddr len = 1; 10297e749462SCornelia Huck uint8_t *ind_addr; 10307e749462SCornelia Huck 10317e749462SCornelia Huck ind_addr = cpu_physical_memory_map(ind_loc, &len, 1); 10327e749462SCornelia Huck if (!ind_addr) { 10337e749462SCornelia Huck error_report("%s(%x.%x.%04x): unable to access indicator", 10347e749462SCornelia Huck __func__, sch->cssid, sch->ssid, sch->schid); 10357e749462SCornelia Huck return -1; 10367e749462SCornelia Huck } 10377e749462SCornelia Huck do { 10387e749462SCornelia Huck ind_old = *ind_addr; 10397e749462SCornelia Huck ind_new = ind_old | to_be_set; 10407e749462SCornelia Huck } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); 104106409bd9SChristian Borntraeger trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); 10427e749462SCornelia Huck cpu_physical_memory_unmap(ind_addr, len, 1, len); 10437e749462SCornelia Huck 10447e749462SCornelia Huck return ind_old; 10457e749462SCornelia Huck } 10467e749462SCornelia Huck 1047a5cf2bb4SCornelia Huck static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 1048a5cf2bb4SCornelia Huck { 1049a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d); 1050b804e8a6SJing Liu CcwDevice *ccw_dev = to_ccw_dev_fast(d); 1051b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 1052a5cf2bb4SCornelia Huck uint64_t indicators; 1053a5cf2bb4SCornelia Huck 10541789f4e3SHalil Pasic /* queue indicators + secondary indicators */ 1055b1914b82SHalil Pasic if (vector >= VIRTIO_QUEUE_MAX + 64) { 1056a5cf2bb4SCornelia Huck return; 1057a5cf2bb4SCornelia Huck } 1058a5cf2bb4SCornelia Huck 1059b1914b82SHalil Pasic if (vector < VIRTIO_QUEUE_MAX) { 10607c486976SCornelia Huck if (!dev->indicators) { 10617c486976SCornelia Huck return; 10627c486976SCornelia Huck } 10637e749462SCornelia Huck if (sch->thinint_active) { 10647e749462SCornelia Huck /* 10657e749462SCornelia Huck * In the adapter interrupt case, indicators points to a 10667e749462SCornelia Huck * memory area that may be (way) larger than 64 bit and 10677e749462SCornelia Huck * ind_bit indicates the start of the indicators in a big 10687e749462SCornelia Huck * endian notation. 10697e749462SCornelia Huck */ 1070d426d9fbSCornelia Huck uint64_t ind_bit = dev->routes.adapter.ind_offset; 1071d426d9fbSCornelia Huck 10727bca3892SCornelia Huck virtio_set_ind_atomic(sch, dev->indicators->addr + 1073d426d9fbSCornelia Huck (ind_bit + vector) / 8, 1074d426d9fbSCornelia Huck 0x80 >> ((ind_bit + vector) % 8)); 10757bca3892SCornelia Huck if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 10767e749462SCornelia Huck 0x01)) { 10777e749462SCornelia Huck css_adapter_interrupt(dev->thinint_isc); 10787e749462SCornelia Huck } 10797e749462SCornelia Huck } else { 108042874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 108142874d3aSPeter Maydell dev->indicators->addr, 108242874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 108342874d3aSPeter Maydell NULL); 108419380b1bSCornelia Huck indicators |= 1ULL << vector; 108542874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators->addr, 108642874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 10877e749462SCornelia Huck css_conditional_io_interrupt(sch); 10887e749462SCornelia Huck } 1089a5cf2bb4SCornelia Huck } else { 10907c486976SCornelia Huck if (!dev->indicators2) { 10917c486976SCornelia Huck return; 10927c486976SCornelia Huck } 1093a5cf2bb4SCornelia Huck vector = 0; 109442874d3aSPeter Maydell indicators = address_space_ldq(&address_space_memory, 109542874d3aSPeter Maydell dev->indicators2->addr, 109642874d3aSPeter Maydell MEMTXATTRS_UNSPECIFIED, 109742874d3aSPeter Maydell NULL); 109819380b1bSCornelia Huck indicators |= 1ULL << vector; 109942874d3aSPeter Maydell address_space_stq(&address_space_memory, dev->indicators2->addr, 110042874d3aSPeter Maydell indicators, MEMTXATTRS_UNSPECIFIED, NULL); 1101a5cf2bb4SCornelia Huck css_conditional_io_interrupt(sch); 11027e749462SCornelia Huck } 1103a5cf2bb4SCornelia Huck } 1104a5cf2bb4SCornelia Huck 1105a5cf2bb4SCornelia Huck static void virtio_ccw_reset(DeviceState *d) 1106a5cf2bb4SCornelia Huck { 1107a5cf2bb4SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1108f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1109b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1110a5cf2bb4SCornelia Huck 1111fa8b0ca5SCornelia Huck virtio_ccw_reset_virtio(dev, vdev); 1112b804e8a6SJing Liu css_reset_sch(ccw_dev->sch); 1113a5cf2bb4SCornelia Huck } 1114a5cf2bb4SCornelia Huck 1115b4436a0bSCornelia Huck static void virtio_ccw_vmstate_change(DeviceState *d, bool running) 1116b4436a0bSCornelia Huck { 1117b4436a0bSCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1118b4436a0bSCornelia Huck 1119b4436a0bSCornelia Huck if (running) { 1120b4436a0bSCornelia Huck virtio_ccw_start_ioeventfd(dev); 1121b4436a0bSCornelia Huck } else { 1122b4436a0bSCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1123b4436a0bSCornelia Huck } 1124b4436a0bSCornelia Huck } 1125b4436a0bSCornelia Huck 1126320ce850SCornelia Huck static bool virtio_ccw_query_guest_notifiers(DeviceState *d) 1127320ce850SCornelia Huck { 1128b804e8a6SJing Liu CcwDevice *dev = CCW_DEVICE(d); 1129320ce850SCornelia Huck 1130320ce850SCornelia Huck return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA); 1131320ce850SCornelia Huck } 1132320ce850SCornelia Huck 1133d426d9fbSCornelia Huck static int virtio_ccw_get_mappings(VirtioCcwDevice *dev) 1134d426d9fbSCornelia Huck { 1135d426d9fbSCornelia Huck int r; 1136b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(dev); 1137d426d9fbSCornelia Huck 1138b804e8a6SJing Liu if (!ccw_dev->sch->thinint_active) { 1139d426d9fbSCornelia Huck return -EINVAL; 1140d426d9fbSCornelia Huck } 1141d426d9fbSCornelia Huck 1142d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->summary_indicator); 1143d426d9fbSCornelia Huck if (r) { 1144d426d9fbSCornelia Huck return r; 1145d426d9fbSCornelia Huck } 1146d426d9fbSCornelia Huck r = map_indicator(&dev->routes.adapter, dev->indicators); 1147d426d9fbSCornelia Huck if (r) { 1148d426d9fbSCornelia Huck return r; 1149d426d9fbSCornelia Huck } 1150d426d9fbSCornelia Huck dev->routes.adapter.summary_addr = dev->summary_indicator->map; 1151d426d9fbSCornelia Huck dev->routes.adapter.ind_addr = dev->indicators->map; 1152d426d9fbSCornelia Huck 1153d426d9fbSCornelia Huck return 0; 1154d426d9fbSCornelia Huck } 1155d426d9fbSCornelia Huck 1156d426d9fbSCornelia Huck static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs) 1157d426d9fbSCornelia Huck { 1158d426d9fbSCornelia Huck int i; 1159d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1160d426d9fbSCornelia Huck int ret; 1161d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1162d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1163d426d9fbSCornelia Huck 1164d426d9fbSCornelia Huck ret = virtio_ccw_get_mappings(dev); 1165d426d9fbSCornelia Huck if (ret) { 1166d426d9fbSCornelia Huck return ret; 1167d426d9fbSCornelia Huck } 1168d426d9fbSCornelia Huck for (i = 0; i < nvqs; i++) { 1169d426d9fbSCornelia Huck if (!virtio_queue_get_num(vdev, i)) { 1170d426d9fbSCornelia Huck break; 1171d426d9fbSCornelia Huck } 1172d426d9fbSCornelia Huck } 1173d426d9fbSCornelia Huck dev->routes.num_routes = i; 1174d426d9fbSCornelia Huck return fsc->add_adapter_routes(fs, &dev->routes); 1175d426d9fbSCornelia Huck } 1176d426d9fbSCornelia Huck 1177d426d9fbSCornelia Huck static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs) 1178d426d9fbSCornelia Huck { 1179d426d9fbSCornelia Huck S390FLICState *fs = s390_get_flic(); 1180d426d9fbSCornelia Huck S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); 1181d426d9fbSCornelia Huck 1182d426d9fbSCornelia Huck fsc->release_adapter_routes(fs, &dev->routes); 1183d426d9fbSCornelia Huck } 1184d426d9fbSCornelia Huck 1185d426d9fbSCornelia Huck static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n) 1186d426d9fbSCornelia Huck { 1187d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1188d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1189d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1190d426d9fbSCornelia Huck 11911c9b71a7SEric Auger return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL, 1192d426d9fbSCornelia Huck dev->routes.gsi[n]); 1193d426d9fbSCornelia Huck } 1194d426d9fbSCornelia Huck 1195d426d9fbSCornelia Huck static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n) 1196d426d9fbSCornelia Huck { 1197d426d9fbSCornelia Huck VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1198d426d9fbSCornelia Huck VirtQueue *vq = virtio_get_queue(vdev, n); 1199d426d9fbSCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1200d426d9fbSCornelia Huck int ret; 1201d426d9fbSCornelia Huck 12021c9b71a7SEric Auger ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier, 1203d426d9fbSCornelia Huck dev->routes.gsi[n]); 1204d426d9fbSCornelia Huck assert(ret == 0); 1205d426d9fbSCornelia Huck } 1206d426d9fbSCornelia Huck 1207320ce850SCornelia Huck static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n, 1208320ce850SCornelia Huck bool assign, bool with_irqfd) 1209320ce850SCornelia Huck { 1210f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1211f24a6840SPaolo Bonzini VirtQueue *vq = virtio_get_queue(vdev, n); 1212320ce850SCornelia Huck EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); 1213f24a6840SPaolo Bonzini VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); 1214320ce850SCornelia Huck 1215320ce850SCornelia Huck if (assign) { 1216320ce850SCornelia Huck int r = event_notifier_init(notifier, 0); 1217320ce850SCornelia Huck 1218320ce850SCornelia Huck if (r < 0) { 1219320ce850SCornelia Huck return r; 1220320ce850SCornelia Huck } 1221320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); 1222d426d9fbSCornelia Huck if (with_irqfd) { 1223d426d9fbSCornelia Huck r = virtio_ccw_add_irqfd(dev, n); 1224d426d9fbSCornelia Huck if (r) { 1225d426d9fbSCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, 1226d426d9fbSCornelia Huck with_irqfd); 1227d426d9fbSCornelia Huck return r; 1228d426d9fbSCornelia Huck } 1229d426d9fbSCornelia Huck } 1230d426d9fbSCornelia Huck /* 1231d426d9fbSCornelia Huck * We do not support individual masking for channel devices, so we 1232d426d9fbSCornelia Huck * need to manually trigger any guest masking callbacks here. 1233320ce850SCornelia Huck */ 12342858bc68SWei Huang if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1235f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, false); 1236320ce850SCornelia Huck } 1237320ce850SCornelia Huck /* get lost events and re-inject */ 1238320ce850SCornelia Huck if (k->guest_notifier_pending && 1239f24a6840SPaolo Bonzini k->guest_notifier_pending(vdev, n)) { 1240320ce850SCornelia Huck event_notifier_set(notifier); 1241320ce850SCornelia Huck } 1242320ce850SCornelia Huck } else { 12432858bc68SWei Huang if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) { 1244f24a6840SPaolo Bonzini k->guest_notifier_mask(vdev, n, true); 1245320ce850SCornelia Huck } 1246d426d9fbSCornelia Huck if (with_irqfd) { 1247d426d9fbSCornelia Huck virtio_ccw_remove_irqfd(dev, n); 1248d426d9fbSCornelia Huck } 1249320ce850SCornelia Huck virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); 1250320ce850SCornelia Huck event_notifier_cleanup(notifier); 1251320ce850SCornelia Huck } 1252320ce850SCornelia Huck return 0; 1253320ce850SCornelia Huck } 1254320ce850SCornelia Huck 1255320ce850SCornelia Huck static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs, 1256320ce850SCornelia Huck bool assigned) 1257320ce850SCornelia Huck { 1258320ce850SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1259f24a6840SPaolo Bonzini VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1260b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1261b804e8a6SJing Liu bool with_irqfd = ccw_dev->sch->thinint_active && kvm_irqfds_enabled(); 1262320ce850SCornelia Huck int r, n; 1263320ce850SCornelia Huck 1264d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1265d426d9fbSCornelia Huck /* irq routes need to be set up before assigning irqfds */ 1266d426d9fbSCornelia Huck r = virtio_ccw_setup_irqroutes(dev, nvqs); 1267d426d9fbSCornelia Huck if (r < 0) { 1268d426d9fbSCornelia Huck goto irqroute_error; 1269d426d9fbSCornelia Huck } 1270d426d9fbSCornelia Huck } 1271320ce850SCornelia Huck for (n = 0; n < nvqs; n++) { 1272320ce850SCornelia Huck if (!virtio_queue_get_num(vdev, n)) { 1273320ce850SCornelia Huck break; 1274320ce850SCornelia Huck } 1275d426d9fbSCornelia Huck r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd); 1276320ce850SCornelia Huck if (r < 0) { 1277320ce850SCornelia Huck goto assign_error; 1278320ce850SCornelia Huck } 1279320ce850SCornelia Huck } 1280d426d9fbSCornelia Huck if (with_irqfd && !assigned) { 1281d426d9fbSCornelia Huck /* release irq routes after irqfds have been released */ 1282d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1283d426d9fbSCornelia Huck } 1284320ce850SCornelia Huck return 0; 1285320ce850SCornelia Huck 1286320ce850SCornelia Huck assign_error: 1287320ce850SCornelia Huck while (--n >= 0) { 1288320ce850SCornelia Huck virtio_ccw_set_guest_notifier(dev, n, !assigned, false); 1289320ce850SCornelia Huck } 1290d426d9fbSCornelia Huck irqroute_error: 1291d426d9fbSCornelia Huck if (with_irqfd && assigned) { 1292d426d9fbSCornelia Huck virtio_ccw_release_irqroutes(dev, nvqs); 1293d426d9fbSCornelia Huck } 1294320ce850SCornelia Huck return r; 1295320ce850SCornelia Huck } 1296320ce850SCornelia Huck 1297bcb2b582SJens Freimann static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f) 1298bcb2b582SJens Freimann { 1299bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1300bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1301bcb2b582SJens Freimann 1302bcb2b582SJens Freimann qemu_put_be16(f, virtio_queue_vector(vdev, n)); 1303bcb2b582SJens Freimann } 1304bcb2b582SJens Freimann 1305bcb2b582SJens Freimann static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f) 1306bcb2b582SJens Freimann { 1307bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1308bcb2b582SJens Freimann VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1309bcb2b582SJens Freimann uint16_t vector; 1310bcb2b582SJens Freimann 1311bcb2b582SJens Freimann qemu_get_be16s(f, &vector); 1312bcb2b582SJens Freimann virtio_queue_set_vector(vdev, n , vector); 1313bcb2b582SJens Freimann 1314bcb2b582SJens Freimann return 0; 1315bcb2b582SJens Freimann } 1316bcb2b582SJens Freimann 1317bcb2b582SJens Freimann static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f) 1318bcb2b582SJens Freimann { 1319bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1320517ff12cSHalil Pasic vmstate_save_state(f, &vmstate_virtio_ccw_dev, dev, NULL); 1321bcb2b582SJens Freimann } 1322bcb2b582SJens Freimann 1323bcb2b582SJens Freimann static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) 1324bcb2b582SJens Freimann { 1325bcb2b582SJens Freimann VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1326517ff12cSHalil Pasic return vmstate_load_state(f, &vmstate_virtio_ccw_dev, dev, 1); 1327bcb2b582SJens Freimann } 1328bcb2b582SJens Freimann 1329d1b4259fSMaxime Coquelin static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp) 1330d1b4259fSMaxime Coquelin { 1331d1b4259fSMaxime Coquelin VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1332d1b4259fSMaxime Coquelin VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1333d1b4259fSMaxime Coquelin 1334d1b4259fSMaxime Coquelin if (dev->max_rev >= 1) { 1335d1b4259fSMaxime Coquelin virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1); 1336d1b4259fSMaxime Coquelin } 1337d1b4259fSMaxime Coquelin } 1338d1b4259fSMaxime Coquelin 1339fb846a09SCornelia Huck /* This is called by virtio-bus just after the device is plugged. */ 1340e8398045SJason Wang static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) 1341fb846a09SCornelia Huck { 1342fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 134310ceaa1eSJason Wang VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); 1344b804e8a6SJing Liu CcwDevice *ccw_dev = CCW_DEVICE(d); 1345b804e8a6SJing Liu SubchDev *sch = ccw_dev->sch; 134610ceaa1eSJason Wang int n = virtio_get_num_queues(vdev); 13470708afa7SHalil Pasic S390FLICState *flic = s390_get_flic(); 134810ceaa1eSJason Wang 1349d1b4259fSMaxime Coquelin if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) { 1350d1b4259fSMaxime Coquelin dev->max_rev = 0; 1351d1b4259fSMaxime Coquelin } 1352d1b4259fSMaxime Coquelin 1353b1914b82SHalil Pasic if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) { 1354b34aee54SMichael Tokarev error_setg(errp, "The number of virtqueues %d " 1355b1914b82SHalil Pasic "exceeds virtio limit %d", n, 1356b1914b82SHalil Pasic VIRTIO_QUEUE_MAX); 135710ceaa1eSJason Wang return; 135810ceaa1eSJason Wang } 13590708afa7SHalil Pasic if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) { 13600708afa7SHalil Pasic error_setg(errp, "The number of virtqueues %d " 13610708afa7SHalil Pasic "exceeds flic adapter route limit %d", n, 13620708afa7SHalil Pasic flic->adapter_routes_max_batch); 13630708afa7SHalil Pasic return; 13640708afa7SHalil Pasic } 1365fb846a09SCornelia Huck 1366fb846a09SCornelia Huck sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); 1367fb846a09SCornelia Huck 1368542571d5SCornelia Huck 1369fb846a09SCornelia Huck css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1370fb846a09SCornelia Huck d->hotplugged, 1); 1371fb846a09SCornelia Huck } 1372fb846a09SCornelia Huck 1373fb846a09SCornelia Huck static void virtio_ccw_device_unplugged(DeviceState *d) 1374fb846a09SCornelia Huck { 1375fb846a09SCornelia Huck VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); 1376fb846a09SCornelia Huck 1377fb846a09SCornelia Huck virtio_ccw_stop_ioeventfd(dev); 1378fb846a09SCornelia Huck } 1379a5cf2bb4SCornelia Huck /**************** Virtio-ccw Bus Device Descriptions *******************/ 1380a5cf2bb4SCornelia Huck 1381a5cf2bb4SCornelia Huck static Property virtio_ccw_net_properties[] = { 1382b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1383b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1384542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1385542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1386a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1387a5cf2bb4SCornelia Huck }; 1388a5cf2bb4SCornelia Huck 1389a5cf2bb4SCornelia Huck static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) 1390a5cf2bb4SCornelia Huck { 1391a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1392a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1393a5cf2bb4SCornelia Huck 13945e5ced38SMarkus Armbruster k->realize = virtio_ccw_net_realize; 139589334c8bSKONRAD Frederic k->exit = virtio_ccw_exit; 1396a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1397a5cf2bb4SCornelia Huck dc->props = virtio_ccw_net_properties; 1398cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 1399a5cf2bb4SCornelia Huck } 1400a5cf2bb4SCornelia Huck 1401a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_net = { 140289334c8bSKONRAD Frederic .name = TYPE_VIRTIO_NET_CCW, 1403a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 140489334c8bSKONRAD Frederic .instance_size = sizeof(VirtIONetCcw), 140589334c8bSKONRAD Frederic .instance_init = virtio_ccw_net_instance_init, 1406a5cf2bb4SCornelia Huck .class_init = virtio_ccw_net_class_init, 1407a5cf2bb4SCornelia Huck }; 1408a5cf2bb4SCornelia Huck 1409a5cf2bb4SCornelia Huck static Property virtio_ccw_blk_properties[] = { 1410b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1411b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1412542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1413542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1414a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1415a5cf2bb4SCornelia Huck }; 1416a5cf2bb4SCornelia Huck 1417a5cf2bb4SCornelia Huck static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) 1418a5cf2bb4SCornelia Huck { 1419a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1420a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1421a5cf2bb4SCornelia Huck 14225e5ced38SMarkus Armbruster k->realize = virtio_ccw_blk_realize; 14233400c455SKONRAD Frederic k->exit = virtio_ccw_exit; 1424a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1425a5cf2bb4SCornelia Huck dc->props = virtio_ccw_blk_properties; 1426cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1427a5cf2bb4SCornelia Huck } 1428a5cf2bb4SCornelia Huck 1429a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_blk = { 14303400c455SKONRAD Frederic .name = TYPE_VIRTIO_BLK_CCW, 1431a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14323400c455SKONRAD Frederic .instance_size = sizeof(VirtIOBlkCcw), 14333400c455SKONRAD Frederic .instance_init = virtio_ccw_blk_instance_init, 1434a5cf2bb4SCornelia Huck .class_init = virtio_ccw_blk_class_init, 1435a5cf2bb4SCornelia Huck }; 1436a5cf2bb4SCornelia Huck 1437a5cf2bb4SCornelia Huck static Property virtio_ccw_serial_properties[] = { 1438b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1439b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1440542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1441542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1442a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1443a5cf2bb4SCornelia Huck }; 1444a5cf2bb4SCornelia Huck 1445a5cf2bb4SCornelia Huck static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) 1446a5cf2bb4SCornelia Huck { 1447a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1448a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1449a5cf2bb4SCornelia Huck 14505e5ced38SMarkus Armbruster k->realize = virtio_ccw_serial_realize; 14516acf69cdSKONRAD Frederic k->exit = virtio_ccw_exit; 1452a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1453a5cf2bb4SCornelia Huck dc->props = virtio_ccw_serial_properties; 1454cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 1455a5cf2bb4SCornelia Huck } 1456a5cf2bb4SCornelia Huck 1457a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_serial = { 14586acf69cdSKONRAD Frederic .name = TYPE_VIRTIO_SERIAL_CCW, 1459a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 14606acf69cdSKONRAD Frederic .instance_size = sizeof(VirtioSerialCcw), 14616acf69cdSKONRAD Frederic .instance_init = virtio_ccw_serial_instance_init, 1462a5cf2bb4SCornelia Huck .class_init = virtio_ccw_serial_class_init, 1463a5cf2bb4SCornelia Huck }; 1464a5cf2bb4SCornelia Huck 1465a5cf2bb4SCornelia Huck static Property virtio_ccw_balloon_properties[] = { 1466b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1467b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1468542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1469542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1470a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1471a5cf2bb4SCornelia Huck }; 1472a5cf2bb4SCornelia Huck 1473a5cf2bb4SCornelia Huck static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 1474a5cf2bb4SCornelia Huck { 1475a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1476a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1477a5cf2bb4SCornelia Huck 14785e5ced38SMarkus Armbruster k->realize = virtio_ccw_balloon_realize; 147930bff6a0SKONRAD Frederic k->exit = virtio_ccw_exit; 1480a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1481a5cf2bb4SCornelia Huck dc->props = virtio_ccw_balloon_properties; 1482cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1483a5cf2bb4SCornelia Huck } 1484a5cf2bb4SCornelia Huck 1485a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_balloon = { 148630bff6a0SKONRAD Frederic .name = TYPE_VIRTIO_BALLOON_CCW, 1487a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 148830bff6a0SKONRAD Frederic .instance_size = sizeof(VirtIOBalloonCcw), 148930bff6a0SKONRAD Frederic .instance_init = virtio_ccw_balloon_instance_init, 1490a5cf2bb4SCornelia Huck .class_init = virtio_ccw_balloon_class_init, 1491a5cf2bb4SCornelia Huck }; 1492a5cf2bb4SCornelia Huck 1493a5cf2bb4SCornelia Huck static Property virtio_ccw_scsi_properties[] = { 1494b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1495b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1496542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1497542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1498a5cf2bb4SCornelia Huck DEFINE_PROP_END_OF_LIST(), 1499a5cf2bb4SCornelia Huck }; 1500a5cf2bb4SCornelia Huck 1501a5cf2bb4SCornelia Huck static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) 1502a5cf2bb4SCornelia Huck { 1503a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1504a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1505a5cf2bb4SCornelia Huck 15065e5ced38SMarkus Armbruster k->realize = virtio_ccw_scsi_realize; 1507c908ea10SKONRAD Frederic k->exit = virtio_ccw_exit; 1508a5cf2bb4SCornelia Huck dc->reset = virtio_ccw_reset; 1509a5cf2bb4SCornelia Huck dc->props = virtio_ccw_scsi_properties; 1510cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1511a5cf2bb4SCornelia Huck } 1512a5cf2bb4SCornelia Huck 1513a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_scsi = { 1514c908ea10SKONRAD Frederic .name = TYPE_VIRTIO_SCSI_CCW, 1515a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 1516c908ea10SKONRAD Frederic .instance_size = sizeof(VirtIOSCSICcw), 1517c908ea10SKONRAD Frederic .instance_init = virtio_ccw_scsi_instance_init, 1518a5cf2bb4SCornelia Huck .class_init = virtio_ccw_scsi_class_init, 1519a5cf2bb4SCornelia Huck }; 1520a5cf2bb4SCornelia Huck 1521ccf6916cSPaolo Bonzini #ifdef CONFIG_VHOST_SCSI 1522ccf6916cSPaolo Bonzini static Property vhost_ccw_scsi_properties[] = { 1523542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1524542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1525ccf6916cSPaolo Bonzini DEFINE_PROP_END_OF_LIST(), 1526ccf6916cSPaolo Bonzini }; 1527ccf6916cSPaolo Bonzini 1528ccf6916cSPaolo Bonzini static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) 1529ccf6916cSPaolo Bonzini { 1530ccf6916cSPaolo Bonzini DeviceClass *dc = DEVICE_CLASS(klass); 1531ccf6916cSPaolo Bonzini VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1532ccf6916cSPaolo Bonzini 15335e5ced38SMarkus Armbruster k->realize = vhost_ccw_scsi_realize; 1534ccf6916cSPaolo Bonzini k->exit = virtio_ccw_exit; 1535ccf6916cSPaolo Bonzini dc->reset = virtio_ccw_reset; 1536ccf6916cSPaolo Bonzini dc->props = vhost_ccw_scsi_properties; 1537cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1538ccf6916cSPaolo Bonzini } 1539ccf6916cSPaolo Bonzini 1540ccf6916cSPaolo Bonzini static const TypeInfo vhost_ccw_scsi = { 1541ccf6916cSPaolo Bonzini .name = TYPE_VHOST_SCSI_CCW, 1542ccf6916cSPaolo Bonzini .parent = TYPE_VIRTIO_CCW_DEVICE, 15434b7757baSCornelia Huck .instance_size = sizeof(VHostSCSICcw), 1544ccf6916cSPaolo Bonzini .instance_init = vhost_ccw_scsi_instance_init, 1545ccf6916cSPaolo Bonzini .class_init = vhost_ccw_scsi_class_init, 1546ccf6916cSPaolo Bonzini }; 1547ccf6916cSPaolo Bonzini #endif 1548ccf6916cSPaolo Bonzini 15492db26d4cSKONRAD Frederic static void virtio_ccw_rng_instance_init(Object *obj) 15502362ecc5SCornelia Huck { 15512db26d4cSKONRAD Frederic VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); 1552c8075cafSGonglei 1553c8075cafSGonglei virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1554c8075cafSGonglei TYPE_VIRTIO_RNG); 1555cbd5ac69SPaolo Bonzini object_property_add_alias(obj, "rng", OBJECT(&dev->vdev), 1556cbd5ac69SPaolo Bonzini "rng", &error_abort); 15572362ecc5SCornelia Huck } 15582362ecc5SCornelia Huck 15592362ecc5SCornelia Huck static Property virtio_ccw_rng_properties[] = { 1560b4436a0bSCornelia Huck DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1561b4436a0bSCornelia Huck VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1562542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1563542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 15642362ecc5SCornelia Huck DEFINE_PROP_END_OF_LIST(), 15652362ecc5SCornelia Huck }; 15662362ecc5SCornelia Huck 15672362ecc5SCornelia Huck static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) 15682362ecc5SCornelia Huck { 15692362ecc5SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 15702362ecc5SCornelia Huck VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 15712362ecc5SCornelia Huck 15725e5ced38SMarkus Armbruster k->realize = virtio_ccw_rng_realize; 15732db26d4cSKONRAD Frederic k->exit = virtio_ccw_exit; 15742362ecc5SCornelia Huck dc->reset = virtio_ccw_reset; 15752362ecc5SCornelia Huck dc->props = virtio_ccw_rng_properties; 1576cd20d616SCornelia Huck set_bit(DEVICE_CATEGORY_MISC, dc->categories); 15772362ecc5SCornelia Huck } 15782362ecc5SCornelia Huck 15792362ecc5SCornelia Huck static const TypeInfo virtio_ccw_rng = { 15802db26d4cSKONRAD Frederic .name = TYPE_VIRTIO_RNG_CCW, 15812362ecc5SCornelia Huck .parent = TYPE_VIRTIO_CCW_DEVICE, 15822db26d4cSKONRAD Frederic .instance_size = sizeof(VirtIORNGCcw), 15832db26d4cSKONRAD Frederic .instance_init = virtio_ccw_rng_instance_init, 15842362ecc5SCornelia Huck .class_init = virtio_ccw_rng_class_init, 15852362ecc5SCornelia Huck }; 15862362ecc5SCornelia Huck 1587d2256070SHalil Pasic static Property virtio_ccw_crypto_properties[] = { 1588d2256070SHalil Pasic DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1589d2256070SHalil Pasic VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1590d2256070SHalil Pasic DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1591d2256070SHalil Pasic VIRTIO_CCW_MAX_REV), 1592d2256070SHalil Pasic DEFINE_PROP_END_OF_LIST(), 1593d2256070SHalil Pasic }; 1594d2256070SHalil Pasic 1595d2256070SHalil Pasic static void virtio_ccw_crypto_instance_init(Object *obj) 1596d2256070SHalil Pasic { 1597d2256070SHalil Pasic VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj); 1598d2256070SHalil Pasic VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 1599d2256070SHalil Pasic 1600d2256070SHalil Pasic ccw_dev->force_revision_1 = true; 1601d2256070SHalil Pasic virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1602d2256070SHalil Pasic TYPE_VIRTIO_CRYPTO); 1603d2256070SHalil Pasic 1604d2256070SHalil Pasic object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev), 1605d2256070SHalil Pasic "cryptodev", &error_abort); 1606d2256070SHalil Pasic } 1607d2256070SHalil Pasic 1608d2256070SHalil Pasic static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data) 1609d2256070SHalil Pasic { 1610d2256070SHalil Pasic DeviceClass *dc = DEVICE_CLASS(klass); 1611d2256070SHalil Pasic VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1612d2256070SHalil Pasic 1613d2256070SHalil Pasic k->realize = virtio_ccw_crypto_realize; 1614d2256070SHalil Pasic k->exit = virtio_ccw_exit; 1615d2256070SHalil Pasic dc->reset = virtio_ccw_reset; 1616d2256070SHalil Pasic dc->props = virtio_ccw_crypto_properties; 1617d2256070SHalil Pasic set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1618d2256070SHalil Pasic } 1619d2256070SHalil Pasic 1620d2256070SHalil Pasic static const TypeInfo virtio_ccw_crypto = { 1621d2256070SHalil Pasic .name = TYPE_VIRTIO_CRYPTO_CCW, 1622d2256070SHalil Pasic .parent = TYPE_VIRTIO_CCW_DEVICE, 1623d2256070SHalil Pasic .instance_size = sizeof(VirtIOCryptoCcw), 1624d2256070SHalil Pasic .instance_init = virtio_ccw_crypto_instance_init, 1625d2256070SHalil Pasic .class_init = virtio_ccw_crypto_class_init, 1626d2256070SHalil Pasic }; 1627d2256070SHalil Pasic 16285e5ced38SMarkus Armbruster static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) 1629a5cf2bb4SCornelia Huck { 1630a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1631a5cf2bb4SCornelia Huck 16321bf4d7aaSAndreas Färber virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); 16331fa75523SCornelia Huck virtio_ccw_device_realize(_dev, errp); 1634a5cf2bb4SCornelia Huck } 1635a5cf2bb4SCornelia Huck 1636a5cf2bb4SCornelia Huck static int virtio_ccw_busdev_exit(DeviceState *dev) 1637a5cf2bb4SCornelia Huck { 1638a5cf2bb4SCornelia Huck VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; 1639a5cf2bb4SCornelia Huck VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); 1640a5cf2bb4SCornelia Huck 1641a5cf2bb4SCornelia Huck return _info->exit(_dev); 1642a5cf2bb4SCornelia Huck } 1643a5cf2bb4SCornelia Huck 1644b804e8a6SJing Liu static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev, 1645277bc95eSIgor Mammedov DeviceState *dev, Error **errp) 1646a5cf2bb4SCornelia Huck { 1647b804e8a6SJing Liu VirtioCcwDevice *_dev = to_virtio_ccw_dev_fast(dev); 1648a5cf2bb4SCornelia Huck 16490b81c1efSPaolo Bonzini virtio_ccw_stop_ioeventfd(_dev); 1650a5cf2bb4SCornelia Huck } 1651a5cf2bb4SCornelia Huck 1652a5cf2bb4SCornelia Huck static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) 1653a5cf2bb4SCornelia Huck { 1654a5cf2bb4SCornelia Huck DeviceClass *dc = DEVICE_CLASS(klass); 1655b804e8a6SJing Liu CCWDeviceClass *k = CCW_DEVICE_CLASS(dc); 1656a5cf2bb4SCornelia Huck 1657b804e8a6SJing Liu k->unplug = virtio_ccw_busdev_unplug; 16585e5ced38SMarkus Armbruster dc->realize = virtio_ccw_busdev_realize; 1659a5cf2bb4SCornelia Huck dc->exit = virtio_ccw_busdev_exit; 1660a5cf2bb4SCornelia Huck dc->bus_type = TYPE_VIRTUAL_CSS_BUS; 1661a5cf2bb4SCornelia Huck } 1662a5cf2bb4SCornelia Huck 1663a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_device_info = { 1664a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_DEVICE, 1665b804e8a6SJing Liu .parent = TYPE_CCW_DEVICE, 1666a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwDevice), 1667a5cf2bb4SCornelia Huck .class_init = virtio_ccw_device_class_init, 1668a5cf2bb4SCornelia Huck .class_size = sizeof(VirtIOCCWDeviceClass), 1669a5cf2bb4SCornelia Huck .abstract = true, 1670a5cf2bb4SCornelia Huck }; 1671a5cf2bb4SCornelia Huck 1672a5cf2bb4SCornelia Huck /* virtio-ccw-bus */ 1673a5cf2bb4SCornelia Huck 16741bf4d7aaSAndreas Färber static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size, 16751bf4d7aaSAndreas Färber VirtioCcwDevice *dev) 1676a5cf2bb4SCornelia Huck { 1677a5cf2bb4SCornelia Huck DeviceState *qdev = DEVICE(dev); 1678f4dd69aaSKONRAD Frederic char virtio_bus_name[] = "virtio-bus"; 1679a5cf2bb4SCornelia Huck 1680fb17dfe0SAndreas Färber qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS, 1681fb17dfe0SAndreas Färber qdev, virtio_bus_name); 1682a5cf2bb4SCornelia Huck } 1683a5cf2bb4SCornelia Huck 1684a5cf2bb4SCornelia Huck static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data) 1685a5cf2bb4SCornelia Huck { 1686a5cf2bb4SCornelia Huck VirtioBusClass *k = VIRTIO_BUS_CLASS(klass); 1687a5cf2bb4SCornelia Huck BusClass *bus_class = BUS_CLASS(klass); 1688a5cf2bb4SCornelia Huck 1689a5cf2bb4SCornelia Huck bus_class->max_dev = 1; 1690a5cf2bb4SCornelia Huck k->notify = virtio_ccw_notify; 1691b4436a0bSCornelia Huck k->vmstate_change = virtio_ccw_vmstate_change; 1692320ce850SCornelia Huck k->query_guest_notifiers = virtio_ccw_query_guest_notifiers; 1693320ce850SCornelia Huck k->set_guest_notifiers = virtio_ccw_set_guest_notifiers; 1694bcb2b582SJens Freimann k->save_queue = virtio_ccw_save_queue; 1695bcb2b582SJens Freimann k->load_queue = virtio_ccw_load_queue; 1696bcb2b582SJens Freimann k->save_config = virtio_ccw_save_config; 1697bcb2b582SJens Freimann k->load_config = virtio_ccw_load_config; 1698d1b4259fSMaxime Coquelin k->pre_plugged = virtio_ccw_pre_plugged; 1699fb846a09SCornelia Huck k->device_plugged = virtio_ccw_device_plugged; 1700fb846a09SCornelia Huck k->device_unplugged = virtio_ccw_device_unplugged; 17018e93cef1SPaolo Bonzini k->ioeventfd_enabled = virtio_ccw_ioeventfd_enabled; 17027c55f68aSCornelia Huck k->ioeventfd_assign = virtio_ccw_ioeventfd_assign; 1703a5cf2bb4SCornelia Huck } 1704a5cf2bb4SCornelia Huck 1705a5cf2bb4SCornelia Huck static const TypeInfo virtio_ccw_bus_info = { 1706a5cf2bb4SCornelia Huck .name = TYPE_VIRTIO_CCW_BUS, 1707a5cf2bb4SCornelia Huck .parent = TYPE_VIRTIO_BUS, 1708a5cf2bb4SCornelia Huck .instance_size = sizeof(VirtioCcwBusState), 1709a5cf2bb4SCornelia Huck .class_init = virtio_ccw_bus_class_init, 1710a5cf2bb4SCornelia Huck }; 1711a5cf2bb4SCornelia Huck 1712de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1713de6a9218SPierre Morel static Property virtio_ccw_9p_properties[] = { 1714de6a9218SPierre Morel DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 1715de6a9218SPierre Morel VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 1716542571d5SCornelia Huck DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1717542571d5SCornelia Huck VIRTIO_CCW_MAX_REV), 1718de6a9218SPierre Morel DEFINE_PROP_END_OF_LIST(), 1719de6a9218SPierre Morel }; 1720de6a9218SPierre Morel 1721de6a9218SPierre Morel static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1722de6a9218SPierre Morel { 1723de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev); 1724de6a9218SPierre Morel DeviceState *vdev = DEVICE(&dev->vdev); 1725de6a9218SPierre Morel 1726de6a9218SPierre Morel qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 17276b62d961SEduardo Habkost object_property_set_bool(OBJECT(vdev), true, "realized", errp); 1728de6a9218SPierre Morel } 1729de6a9218SPierre Morel 1730de6a9218SPierre Morel static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data) 1731de6a9218SPierre Morel { 1732de6a9218SPierre Morel DeviceClass *dc = DEVICE_CLASS(klass); 1733de6a9218SPierre Morel VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1734de6a9218SPierre Morel 1735de6a9218SPierre Morel k->exit = virtio_ccw_exit; 1736de6a9218SPierre Morel k->realize = virtio_ccw_9p_realize; 1737de6a9218SPierre Morel dc->reset = virtio_ccw_reset; 1738de6a9218SPierre Morel dc->props = virtio_ccw_9p_properties; 1739de6a9218SPierre Morel set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 1740de6a9218SPierre Morel } 1741de6a9218SPierre Morel 1742de6a9218SPierre Morel static void virtio_ccw_9p_instance_init(Object *obj) 1743de6a9218SPierre Morel { 1744de6a9218SPierre Morel V9fsCCWState *dev = VIRTIO_9P_CCW(obj); 1745de6a9218SPierre Morel 1746de6a9218SPierre Morel virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1747de6a9218SPierre Morel TYPE_VIRTIO_9P); 1748de6a9218SPierre Morel } 1749de6a9218SPierre Morel 1750de6a9218SPierre Morel static const TypeInfo virtio_ccw_9p_info = { 1751de6a9218SPierre Morel .name = TYPE_VIRTIO_9P_CCW, 1752de6a9218SPierre Morel .parent = TYPE_VIRTIO_CCW_DEVICE, 1753de6a9218SPierre Morel .instance_size = sizeof(V9fsCCWState), 1754de6a9218SPierre Morel .instance_init = virtio_ccw_9p_instance_init, 1755de6a9218SPierre Morel .class_init = virtio_ccw_9p_class_init, 1756de6a9218SPierre Morel }; 1757de6a9218SPierre Morel #endif 1758de6a9218SPierre Morel 1759fc0b9b0eSStefan Hajnoczi #ifdef CONFIG_VHOST_VSOCK 1760fc0b9b0eSStefan Hajnoczi 1761fc0b9b0eSStefan Hajnoczi static Property vhost_vsock_ccw_properties[] = { 1762fc0b9b0eSStefan Hajnoczi DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 1763fc0b9b0eSStefan Hajnoczi VIRTIO_CCW_MAX_REV), 1764fc0b9b0eSStefan Hajnoczi DEFINE_PROP_END_OF_LIST(), 1765fc0b9b0eSStefan Hajnoczi }; 1766fc0b9b0eSStefan Hajnoczi 1767fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) 1768fc0b9b0eSStefan Hajnoczi { 1769fc0b9b0eSStefan Hajnoczi VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev); 1770fc0b9b0eSStefan Hajnoczi DeviceState *vdev = DEVICE(&dev->vdev); 1771fc0b9b0eSStefan Hajnoczi Error *err = NULL; 1772fc0b9b0eSStefan Hajnoczi 1773fc0b9b0eSStefan Hajnoczi qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 1774fc0b9b0eSStefan Hajnoczi object_property_set_bool(OBJECT(vdev), true, "realized", &err); 1775fc0b9b0eSStefan Hajnoczi error_propagate(errp, err); 1776fc0b9b0eSStefan Hajnoczi } 1777fc0b9b0eSStefan Hajnoczi 1778fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) 1779fc0b9b0eSStefan Hajnoczi { 1780fc0b9b0eSStefan Hajnoczi DeviceClass *dc = DEVICE_CLASS(klass); 1781fc0b9b0eSStefan Hajnoczi VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 1782fc0b9b0eSStefan Hajnoczi 1783fc0b9b0eSStefan Hajnoczi k->realize = vhost_vsock_ccw_realize; 1784fc0b9b0eSStefan Hajnoczi k->exit = virtio_ccw_exit; 1785fc0b9b0eSStefan Hajnoczi set_bit(DEVICE_CATEGORY_MISC, dc->categories); 1786fc0b9b0eSStefan Hajnoczi dc->props = vhost_vsock_ccw_properties; 1787fc0b9b0eSStefan Hajnoczi dc->reset = virtio_ccw_reset; 1788fc0b9b0eSStefan Hajnoczi } 1789fc0b9b0eSStefan Hajnoczi 1790fc0b9b0eSStefan Hajnoczi static void vhost_vsock_ccw_instance_init(Object *obj) 1791fc0b9b0eSStefan Hajnoczi { 1792fc0b9b0eSStefan Hajnoczi VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); 1793fc0b9b0eSStefan Hajnoczi 1794fc0b9b0eSStefan Hajnoczi virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 1795fc0b9b0eSStefan Hajnoczi TYPE_VHOST_VSOCK); 1796fc0b9b0eSStefan Hajnoczi } 1797fc0b9b0eSStefan Hajnoczi 1798fc0b9b0eSStefan Hajnoczi static const TypeInfo vhost_vsock_ccw_info = { 1799fc0b9b0eSStefan Hajnoczi .name = TYPE_VHOST_VSOCK_CCW, 1800fc0b9b0eSStefan Hajnoczi .parent = TYPE_VIRTIO_CCW_DEVICE, 1801fc0b9b0eSStefan Hajnoczi .instance_size = sizeof(VHostVSockCCWState), 1802fc0b9b0eSStefan Hajnoczi .instance_init = vhost_vsock_ccw_instance_init, 1803fc0b9b0eSStefan Hajnoczi .class_init = vhost_vsock_ccw_class_init, 1804fc0b9b0eSStefan Hajnoczi }; 1805fc0b9b0eSStefan Hajnoczi #endif 1806fc0b9b0eSStefan Hajnoczi 1807a5cf2bb4SCornelia Huck static void virtio_ccw_register(void) 1808a5cf2bb4SCornelia Huck { 1809a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_bus_info); 1810a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_device_info); 1811a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_serial); 1812a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_blk); 1813a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_net); 1814a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_balloon); 1815a5cf2bb4SCornelia Huck type_register_static(&virtio_ccw_scsi); 1816b702d2aeSEd Maste #ifdef CONFIG_VHOST_SCSI 1817ccf6916cSPaolo Bonzini type_register_static(&vhost_ccw_scsi); 1818b702d2aeSEd Maste #endif 18192362ecc5SCornelia Huck type_register_static(&virtio_ccw_rng); 1820de6a9218SPierre Morel #ifdef CONFIG_VIRTFS 1821de6a9218SPierre Morel type_register_static(&virtio_ccw_9p_info); 1822de6a9218SPierre Morel #endif 1823fc0b9b0eSStefan Hajnoczi #ifdef CONFIG_VHOST_VSOCK 1824fc0b9b0eSStefan Hajnoczi type_register_static(&vhost_vsock_ccw_info); 1825fc0b9b0eSStefan Hajnoczi #endif 1826d2256070SHalil Pasic type_register_static(&virtio_ccw_crypto); 1827a5cf2bb4SCornelia Huck } 1828a5cf2bb4SCornelia Huck 1829a5cf2bb4SCornelia Huck type_init(virtio_ccw_register) 1830