1 /* 2 * virtio ccw target definitions 3 * 4 * Copyright 2012,2015 IBM Corp. 5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 6 * Pierre Morel <pmorel@linux.vnet.ibm.com> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or (at 9 * your option) any later version. See the COPYING file in the top-level 10 * directory. 11 */ 12 13 #ifndef HW_S390X_VIRTIO_CCW_H 14 #define HW_S390X_VIRTIO_CCW_H 15 16 #include <hw/virtio/virtio-blk.h> 17 #include <hw/virtio/virtio-net.h> 18 #include <hw/virtio/virtio-serial.h> 19 #include <hw/virtio/virtio-scsi.h> 20 #ifdef CONFIG_VHOST_SCSI 21 #include <hw/virtio/vhost-scsi.h> 22 #endif 23 #include <hw/virtio/virtio-balloon.h> 24 #include <hw/virtio/virtio-rng.h> 25 #include <hw/virtio/virtio-bus.h> 26 #include <hw/s390x/s390_flic.h> 27 28 #define VIRTUAL_CSSID 0xfe 29 30 #define VIRTIO_CCW_CU_TYPE 0x3832 31 #define VIRTIO_CCW_CHPID_TYPE 0x32 32 33 #define CCW_CMD_SET_VQ 0x13 34 #define CCW_CMD_VDEV_RESET 0x33 35 #define CCW_CMD_READ_FEAT 0x12 36 #define CCW_CMD_WRITE_FEAT 0x11 37 #define CCW_CMD_READ_CONF 0x22 38 #define CCW_CMD_WRITE_CONF 0x21 39 #define CCW_CMD_WRITE_STATUS 0x31 40 #define CCW_CMD_SET_IND 0x43 41 #define CCW_CMD_SET_CONF_IND 0x53 42 #define CCW_CMD_READ_VQ_CONF 0x32 43 #define CCW_CMD_SET_IND_ADAPTER 0x73 44 #define CCW_CMD_SET_VIRTIO_REV 0x83 45 46 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device" 47 #define VIRTIO_CCW_DEVICE(obj) \ 48 OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE) 49 #define VIRTIO_CCW_DEVICE_CLASS(klass) \ 50 OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE) 51 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \ 52 OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE) 53 54 typedef struct VirtioBusState VirtioCcwBusState; 55 typedef struct VirtioBusClass VirtioCcwBusClass; 56 57 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus" 58 #define VIRTIO_CCW_BUS(obj) \ 59 OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS) 60 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \ 61 OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS) 62 #define VIRTIO_CCW_BUS_CLASS(klass) \ 63 OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS) 64 65 typedef struct VirtioCcwDevice VirtioCcwDevice; 66 67 typedef struct VirtIOCCWDeviceClass { 68 DeviceClass parent_class; 69 void (*realize)(VirtioCcwDevice *dev, Error **errp); 70 int (*exit)(VirtioCcwDevice *dev); 71 } VirtIOCCWDeviceClass; 72 73 /* Performance improves when virtqueue kick processing is decoupled from the 74 * vcpu thread using ioeventfd for some devices. */ 75 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT 1 76 #define VIRTIO_CCW_FLAG_USE_IOEVENTFD (1 << VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT) 77 78 typedef struct IndAddr { 79 hwaddr addr; 80 uint64_t map; 81 unsigned long refcnt; 82 int len; 83 QTAILQ_ENTRY(IndAddr) sibling; 84 } IndAddr; 85 86 struct VirtioCcwDevice { 87 DeviceState parent_obj; 88 SubchDev *sch; 89 char *bus_id; 90 int revision; 91 uint32_t max_rev; 92 VirtioBusState bus; 93 bool ioeventfd_started; 94 bool ioeventfd_disabled; 95 uint32_t flags; 96 uint8_t thinint_isc; 97 AdapterRoutes routes; 98 /* Guest provided values: */ 99 IndAddr *indicators; 100 IndAddr *indicators2; 101 IndAddr *summary_indicator; 102 uint64_t ind_bit; 103 }; 104 105 /* The maximum virtio revision we support. */ 106 #define VIRTIO_CCW_MAX_REV 1 107 static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev) 108 { 109 return dev->max_rev; 110 } 111 112 /* virtual css bus type */ 113 typedef struct VirtualCssBus { 114 BusState parent_obj; 115 } VirtualCssBus; 116 117 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus" 118 #define VIRTUAL_CSS_BUS(obj) \ 119 OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS) 120 121 /* virtio-scsi-ccw */ 122 123 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw" 124 #define VIRTIO_SCSI_CCW(obj) \ 125 OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW) 126 127 typedef struct VirtIOSCSICcw { 128 VirtioCcwDevice parent_obj; 129 VirtIOSCSI vdev; 130 } VirtIOSCSICcw; 131 132 #ifdef CONFIG_VHOST_SCSI 133 /* vhost-scsi-ccw */ 134 135 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw" 136 #define VHOST_SCSI_CCW(obj) \ 137 OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW) 138 139 typedef struct VHostSCSICcw { 140 VirtioCcwDevice parent_obj; 141 VHostSCSI vdev; 142 } VHostSCSICcw; 143 #endif 144 145 /* virtio-blk-ccw */ 146 147 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" 148 #define VIRTIO_BLK_CCW(obj) \ 149 OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW) 150 151 typedef struct VirtIOBlkCcw { 152 VirtioCcwDevice parent_obj; 153 VirtIOBlock vdev; 154 } VirtIOBlkCcw; 155 156 /* virtio-balloon-ccw */ 157 158 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw" 159 #define VIRTIO_BALLOON_CCW(obj) \ 160 OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW) 161 162 typedef struct VirtIOBalloonCcw { 163 VirtioCcwDevice parent_obj; 164 VirtIOBalloon vdev; 165 } VirtIOBalloonCcw; 166 167 /* virtio-serial-ccw */ 168 169 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" 170 #define VIRTIO_SERIAL_CCW(obj) \ 171 OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW) 172 173 typedef struct VirtioSerialCcw { 174 VirtioCcwDevice parent_obj; 175 VirtIOSerial vdev; 176 } VirtioSerialCcw; 177 178 /* virtio-net-ccw */ 179 180 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw" 181 #define VIRTIO_NET_CCW(obj) \ 182 OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW) 183 184 typedef struct VirtIONetCcw { 185 VirtioCcwDevice parent_obj; 186 VirtIONet vdev; 187 } VirtIONetCcw; 188 189 /* virtio-rng-ccw */ 190 191 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw" 192 #define VIRTIO_RNG_CCW(obj) \ 193 OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW) 194 195 typedef struct VirtIORNGCcw { 196 VirtioCcwDevice parent_obj; 197 VirtIORNG vdev; 198 } VirtIORNGCcw; 199 200 VirtualCssBus *virtual_css_bus_init(void); 201 void virtio_ccw_device_update_status(SubchDev *sch); 202 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); 203 204 #ifdef CONFIG_VIRTFS 205 #include "hw/9pfs/virtio-9p.h" 206 207 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw" 208 #define VIRTIO_9P_CCW(obj) \ 209 OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW) 210 211 typedef struct V9fsCCWState { 212 VirtioCcwDevice parent_obj; 213 V9fsVirtioState vdev; 214 } V9fsCCWState; 215 216 #endif /* CONFIG_VIRTFS */ 217 218 #endif 219