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