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 /* Guest provided values: */ 89 hwaddr indicators; 90 hwaddr indicators2; 91 hwaddr summary_indicator; 92 uint64_t ind_bit; 93 }; 94 95 /* virtual css bus type */ 96 typedef struct VirtualCssBus { 97 BusState parent_obj; 98 } VirtualCssBus; 99 100 #define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus" 101 #define VIRTUAL_CSS_BUS(obj) \ 102 OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS) 103 104 /* virtio-scsi-ccw */ 105 106 #define TYPE_VIRTIO_SCSI_CCW "virtio-scsi-ccw" 107 #define VIRTIO_SCSI_CCW(obj) \ 108 OBJECT_CHECK(VirtIOSCSICcw, (obj), TYPE_VIRTIO_SCSI_CCW) 109 110 typedef struct VirtIOSCSICcw { 111 VirtioCcwDevice parent_obj; 112 VirtIOSCSI vdev; 113 } VirtIOSCSICcw; 114 115 #ifdef CONFIG_VHOST_SCSI 116 /* vhost-scsi-ccw */ 117 118 #define TYPE_VHOST_SCSI_CCW "vhost-scsi-ccw" 119 #define VHOST_SCSI_CCW(obj) \ 120 OBJECT_CHECK(VHostSCSICcw, (obj), TYPE_VHOST_SCSI_CCW) 121 122 typedef struct VHostSCSICcw { 123 VirtioCcwDevice parent_obj; 124 VHostSCSI vdev; 125 } VHostSCSICcw; 126 #endif 127 128 /* virtio-blk-ccw */ 129 130 #define TYPE_VIRTIO_BLK_CCW "virtio-blk-ccw" 131 #define VIRTIO_BLK_CCW(obj) \ 132 OBJECT_CHECK(VirtIOBlkCcw, (obj), TYPE_VIRTIO_BLK_CCW) 133 134 typedef struct VirtIOBlkCcw { 135 VirtioCcwDevice parent_obj; 136 VirtIOBlock vdev; 137 VirtIOBlkConf blk; 138 } VirtIOBlkCcw; 139 140 /* virtio-balloon-ccw */ 141 142 #define TYPE_VIRTIO_BALLOON_CCW "virtio-balloon-ccw" 143 #define VIRTIO_BALLOON_CCW(obj) \ 144 OBJECT_CHECK(VirtIOBalloonCcw, (obj), TYPE_VIRTIO_BALLOON_CCW) 145 146 typedef struct VirtIOBalloonCcw { 147 VirtioCcwDevice parent_obj; 148 VirtIOBalloon vdev; 149 } VirtIOBalloonCcw; 150 151 /* virtio-serial-ccw */ 152 153 #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" 154 #define VIRTIO_SERIAL_CCW(obj) \ 155 OBJECT_CHECK(VirtioSerialCcw, (obj), TYPE_VIRTIO_SERIAL_CCW) 156 157 typedef struct VirtioSerialCcw { 158 VirtioCcwDevice parent_obj; 159 VirtIOSerial vdev; 160 } VirtioSerialCcw; 161 162 /* virtio-net-ccw */ 163 164 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw" 165 #define VIRTIO_NET_CCW(obj) \ 166 OBJECT_CHECK(VirtIONetCcw, (obj), TYPE_VIRTIO_NET_CCW) 167 168 typedef struct VirtIONetCcw { 169 VirtioCcwDevice parent_obj; 170 VirtIONet vdev; 171 } VirtIONetCcw; 172 173 /* virtio-rng-ccw */ 174 175 #define TYPE_VIRTIO_RNG_CCW "virtio-rng-ccw" 176 #define VIRTIO_RNG_CCW(obj) \ 177 OBJECT_CHECK(VirtIORNGCcw, (obj), TYPE_VIRTIO_RNG_CCW) 178 179 typedef struct VirtIORNGCcw { 180 VirtioCcwDevice parent_obj; 181 VirtIORNG vdev; 182 } VirtIORNGCcw; 183 184 VirtualCssBus *virtual_css_bus_init(void); 185 void virtio_ccw_device_update_status(SubchDev *sch); 186 VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch); 187 #endif 188