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