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 VirtioBusState bus; 92 bool ioeventfd_started; 93 bool ioeventfd_disabled; 94 uint32_t flags; 95 uint8_t thinint_isc; 96 AdapterRoutes routes; 97 /* Guest provided values: */ 98 IndAddr *indicators; 99 IndAddr *indicators2; 100 IndAddr *summary_indicator; 101 uint64_t ind_bit; 102 }; 103 104 /* The maximum virtio revision we support. */ 105 static inline int virtio_ccw_rev_max(VirtIODevice *vdev) 106 { 107 return 0; 108 } 109 110 /* virtual css bus type */ 111 typedef struct VirtualCssBus { 112 BusState parent_obj; 113 } VirtualCssBus; 114 115 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus" 116 #define VIRTUAL_CSS_BUS(obj) \ 117 OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS) 118 119 /* virtio-scsi-ccw */ 120 121 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw" 122 #define VIRTIO_SCSI_CCW(obj) \ 123 OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW) 124 125 typedef struct VirtIOSCSICcw { 126 VirtioCcwDevice parent_obj; 127 VirtIOSCSI vdev; 128 } VirtIOSCSICcw; 129 130 #ifdef CONFIG_VHOST_SCSI 131 /* vhost-scsi-ccw */ 132 133 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw" 134 #define VHOST_SCSI_CCW(obj) \ 135 OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW) 136 137 typedef struct VHostSCSICcw { 138 VirtioCcwDevice parent_obj; 139 VHostSCSI vdev; 140 } VHostSCSICcw; 141 #endif 142 143 /* virtio-blk-ccw */ 144 145 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" 146 #define VIRTIO_BLK_CCW(obj) \ 147 OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW) 148 149 typedef struct VirtIOBlkCcw { 150 VirtioCcwDevice parent_obj; 151 VirtIOBlock vdev; 152 } VirtIOBlkCcw; 153 154 /* virtio-balloon-ccw */ 155 156 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw" 157 #define VIRTIO_BALLOON_CCW(obj) \ 158 OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW) 159 160 typedef struct VirtIOBalloonCcw { 161 VirtioCcwDevice parent_obj; 162 VirtIOBalloon vdev; 163 } VirtIOBalloonCcw; 164 165 /* virtio-serial-ccw */ 166 167 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" 168 #define VIRTIO_SERIAL_CCW(obj) \ 169 OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW) 170 171 typedef struct VirtioSerialCcw { 172 VirtioCcwDevice parent_obj; 173 VirtIOSerial vdev; 174 } VirtioSerialCcw; 175 176 /* virtio-net-ccw */ 177 178 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw" 179 #define VIRTIO_NET_CCW(obj) \ 180 OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW) 181 182 typedef struct VirtIONetCcw { 183 VirtioCcwDevice parent_obj; 184 VirtIONet vdev; 185 } VirtIONetCcw; 186 187 /* virtio-rng-ccw */ 188 189 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw" 190 #define VIRTIO_RNG_CCW(obj) \ 191 OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW) 192 193 typedef struct VirtIORNGCcw { 194 VirtioCcwDevice parent_obj; 195 VirtIORNG vdev; 196 } VirtIORNGCcw; 197 198 VirtualCssBus *virtual_css_bus_init(void); 199 void virtio_ccw_device_update_status(SubchDev *sch); 200 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); 201 202 #ifdef CONFIG_VIRTFS 203 #include "hw/9pfs/virtio-9p.h" 204 205 #define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw" 206 #define VIRTIO_9P_CCW(obj) \ 207 OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW) 208 209 typedef struct V9fsCCWState { 210 VirtioCcwDevice parent_obj; 211 V9fsState vdev; 212 } V9fsCCWState; 213 214 #endif /* CONFIG_VIRTFS */ 215 216 #endif 217