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 #define CCW_CMD_SET_IND_ADAPTER 0x73 42 43 #define TYPE_VIRTIO_CCW_DEVICE "virtio-ccw-device" 44 #define VIRTIO_CCW_DEVICE(obj) \ 45 OBJECT_CHECK(VirtioCcwDevice, (obj), TYPE_VIRTIO_CCW_DEVICE) 46 #define VIRTIO_CCW_DEVICE_CLASS(klass) \ 47 OBJECT_CLASS_CHECK(VirtIOCCWDeviceClass, (klass), TYPE_VIRTIO_CCW_DEVICE) 48 #define VIRTIO_CCW_DEVICE_GET_CLASS(obj) \ 49 OBJECT_GET_CLASS(VirtIOCCWDeviceClass, (obj), TYPE_VIRTIO_CCW_DEVICE) 50 51 typedef struct VirtioBusState VirtioCcwBusState; 52 typedef struct VirtioBusClass VirtioCcwBusClass; 53 54 #define TYPE_VIRTIO_CCW_BUS "virtio-ccw-bus" 55 #define VIRTIO_CCW_BUS(obj) \ 56 OBJECT_CHECK(VirtioCcwBus, (obj), TYPE_VIRTIO_CCW_BUS) 57 #define VIRTIO_CCW_BUS_GET_CLASS(obj) \ 58 OBJECT_CHECK(VirtioCcwBusState, (obj), TYPE_VIRTIO_CCW_BUS) 59 #define VIRTIO_CCW_BUS_CLASS(klass) \ 60 OBJECT_CLASS_CHECK(VirtioCcwBusClass, klass, TYPE_VIRTIO_CCW_BUS) 61 62 typedef struct VirtioCcwDevice VirtioCcwDevice; 63 64 typedef struct VirtIOCCWDeviceClass { 65 DeviceClass parent_class; 66 int (*init)(VirtioCcwDevice *dev); 67 int (*exit)(VirtioCcwDevice *dev); 68 } VirtIOCCWDeviceClass; 69 70 /* Change here if we want to support more feature bits. */ 71 #define VIRTIO_CCW_FEATURE_SIZE 1 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 struct VirtioCcwDevice { 79 DeviceState parent_obj; 80 SubchDev *sch; 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 uint8_t thinint_isc; 88 uint32_t adapter_id; 89 /* Guest provided values: */ 90 hwaddr indicators; 91 hwaddr indicators2; 92 hwaddr summary_indicator; 93 uint64_t ind_bit; 94 }; 95 96 /* virtual css bus type */ 97 typedef struct VirtualCssBus { 98 BusState parent_obj; 99 } VirtualCssBus; 100 101 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus" 102 #define VIRTUAL_CSS_BUS(obj) \ 103 OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS) 104 105 /* virtio-scsi-ccw */ 106 107 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw" 108 #define VIRTIO_SCSI_CCW(obj) \ 109 OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW) 110 111 typedef struct VirtIOSCSICcw { 112 VirtioCcwDevice parent_obj; 113 VirtIOSCSI vdev; 114 } VirtIOSCSICcw; 115 116 #ifdef CONFIG_VHOST_SCSI 117 /* vhost-scsi-ccw */ 118 119 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw" 120 #define VHOST_SCSI_CCW(obj) \ 121 OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW) 122 123 typedef struct VHostSCSICcw { 124 VirtioCcwDevice parent_obj; 125 VHostSCSI vdev; 126 } VHostSCSICcw; 127 #endif 128 129 /* virtio-blk-ccw */ 130 131 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" 132 #define VIRTIO_BLK_CCW(obj) \ 133 OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW) 134 135 typedef struct VirtIOBlkCcw { 136 VirtioCcwDevice parent_obj; 137 VirtIOBlock vdev; 138 VirtIOBlkConf blk; 139 } VirtIOBlkCcw; 140 141 /* virtio-balloon-ccw */ 142 143 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw" 144 #define VIRTIO_BALLOON_CCW(obj) \ 145 OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW) 146 147 typedef struct VirtIOBalloonCcw { 148 VirtioCcwDevice parent_obj; 149 VirtIOBalloon vdev; 150 } VirtIOBalloonCcw; 151 152 /* virtio-serial-ccw */ 153 154 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" 155 #define VIRTIO_SERIAL_CCW(obj) \ 156 OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW) 157 158 typedef struct VirtioSerialCcw { 159 VirtioCcwDevice parent_obj; 160 VirtIOSerial vdev; 161 } VirtioSerialCcw; 162 163 /* virtio-net-ccw */ 164 165 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw" 166 #define VIRTIO_NET_CCW(obj) \ 167 OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW) 168 169 typedef struct VirtIONetCcw { 170 VirtioCcwDevice parent_obj; 171 VirtIONet vdev; 172 } VirtIONetCcw; 173 174 /* virtio-rng-ccw */ 175 176 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw" 177 #define VIRTIO_RNG_CCW(obj) \ 178 OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW) 179 180 typedef struct VirtIORNGCcw { 181 VirtioCcwDevice parent_obj; 182 VirtIORNG vdev; 183 } VirtIORNGCcw; 184 185 VirtualCssBus *virtual_css_bus_init(void); 186 void virtio_ccw_device_update_status(SubchDev *sch); 187 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); 188 #endif 189