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