From 5e5ced386a4ae74e406453dd5a7927936b1911aa Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Fri, 27 Feb 2015 14:53:39 +0100 Subject: [PATCH] virtio-ccw: Convert to realize() Signed-off-by: Markus Armbruster Message-Id: <1425045219-19958-1-git-send-email-armbru@redhat.com> Reviewed-by: Cornelia Huck Signed-off-by: Christian Borntraeger --- hw/s390x/virtio-ccw.c | 134 +++++++++++++++++++++++------------------- hw/s390x/virtio-ccw.h | 2 +- 2 files changed, 75 insertions(+), 61 deletions(-) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index ffbb9c2c89..fce52a929c 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -607,7 +607,8 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) return ret; } -static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) +static void virtio_ccw_device_realize(VirtioCcwDevice *dev, + VirtIODevice *vdev, Error **errp) { unsigned int cssid = 0; unsigned int ssid = 0; @@ -616,7 +617,6 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) bool have_devno = false; bool found = false; SubchDev *sch; - int ret; int num; DeviceState *parent = DEVICE(dev); @@ -639,21 +639,19 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno); if (num == 3) { if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) { - ret = -EINVAL; - error_report("Invalid cssid or ssid: cssid %x, ssid %x", - cssid, ssid); + error_setg(errp, "Invalid cssid or ssid: cssid %x, ssid %x", + cssid, ssid); goto out_err; } /* Enforce use of virtual cssid. */ if (cssid != VIRTUAL_CSSID) { - ret = -EINVAL; - error_report("cssid %x not valid for virtio devices", cssid); + error_setg(errp, "cssid %x not valid for virtio devices", + cssid); goto out_err; } if (css_devno_used(cssid, ssid, devno)) { - ret = -EEXIST; - error_report("Device %x.%x.%04x already exists", cssid, ssid, - devno); + error_setg(errp, "Device %x.%x.%04x already exists", + cssid, ssid, devno); goto out_err; } sch->cssid = cssid; @@ -661,8 +659,7 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) sch->devno = devno; have_devno = true; } else { - ret = -EINVAL; - error_report("Malformed devno parameter '%s'", dev->bus_id); + error_setg(errp, "Malformed devno parameter '%s'", dev->bus_id); goto out_err; } } @@ -678,9 +675,8 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) } } if (!found) { - ret = -ENODEV; - error_report("No free subchannel found for %x.%x.%04x", cssid, ssid, - devno); + error_setg(errp, "No free subchannel found for %x.%x.%04x", + cssid, ssid, devno); goto out_err; } trace_virtio_ccw_new_device(cssid, ssid, schid, devno, @@ -702,8 +698,7 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) if (devno == MAX_SCHID) { devno = 0; } else if (devno == schid - 1) { - ret = -ENODEV; - error_report("No free devno found"); + error_setg(errp, "No free devno found"); goto out_err; } else { devno++; @@ -720,8 +715,7 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) } } if (!found) { - ret = -ENODEV; - error_report("Virtual channel subsystem is full!"); + error_setg(errp, "Virtual channel subsystem is full!"); goto out_err; } trace_virtio_ccw_new_device(cssid, ssid, schid, devno, @@ -748,12 +742,11 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev) css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, parent->hotplugged, 1); - return 0; + return; out_err: dev->sch = NULL; g_free(sch); - return ret; } static int virtio_ccw_exit(VirtioCcwDevice *dev) @@ -771,21 +764,24 @@ static int virtio_ccw_exit(VirtioCcwDevice *dev) return 0; } -static int virtio_ccw_net_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp) { DeviceState *qdev = DEVICE(ccw_dev); VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); + Error *err = NULL; virtio_net_set_config_size(&dev->vdev, ccw_dev->host_features[0]); virtio_net_set_netclient_name(&dev->vdev, qdev->id, object_get_typename(OBJECT(qdev))); qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } static void virtio_ccw_net_instance_init(Object *obj) @@ -798,16 +794,20 @@ static void virtio_ccw_net_instance_init(Object *obj) "bootindex", &error_abort); } -static int virtio_ccw_blk_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); + Error *err = NULL; + qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } static void virtio_ccw_blk_instance_init(Object *obj) @@ -822,11 +822,12 @@ static void virtio_ccw_blk_instance_init(Object *obj) "bootindex", &error_abort); } -static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); DeviceState *proxy = DEVICE(ccw_dev); + Error *err = NULL; char *bus_name; /* @@ -840,11 +841,13 @@ static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev) } qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } @@ -856,17 +859,20 @@ static void virtio_ccw_serial_instance_init(Object *obj) TYPE_VIRTIO_SERIAL); } -static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); + Error *err = NULL; qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } static void balloon_ccw_stats_get_all(Object *obj, struct Visitor *v, @@ -909,11 +915,12 @@ static void virtio_ccw_balloon_instance_init(Object *obj) NULL, dev, NULL); } -static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); DeviceState *qdev = DEVICE(ccw_dev); + Error *err = NULL; char *bus_name; /* @@ -927,11 +934,13 @@ static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev) } qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } static void virtio_ccw_scsi_instance_init(Object *obj) @@ -945,17 +954,20 @@ static void virtio_ccw_scsi_instance_init(Object *obj) } #ifdef CONFIG_VHOST_SCSI -static int vhost_ccw_scsi_init(VirtioCcwDevice *ccw_dev) +static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); + Error *err = NULL; qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } static void vhost_ccw_scsi_instance_init(Object *obj) @@ -967,21 +979,24 @@ static void vhost_ccw_scsi_instance_init(Object *obj) } #endif -static int virtio_ccw_rng_init(VirtioCcwDevice *ccw_dev) +static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp) { VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev); DeviceState *vdev = DEVICE(&dev->vdev); + Error *err = NULL; qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); - if (qdev_init(vdev) < 0) { - return -1; + object_property_set_bool(OBJECT(vdev), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; } object_property_set_link(OBJECT(dev), OBJECT(dev->vdev.conf.rng), "rng", NULL); - return virtio_ccw_device_init(ccw_dev, VIRTIO_DEVICE(vdev)); + virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp); } /* DeviceState to VirtioCcwDevice. Note: used on datapath, @@ -1391,7 +1406,7 @@ static void virtio_ccw_net_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_net_init; + k->realize = virtio_ccw_net_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_net_properties; @@ -1417,7 +1432,7 @@ static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_blk_init; + k->realize = virtio_ccw_blk_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_blk_properties; @@ -1443,7 +1458,7 @@ static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_serial_init; + k->realize = virtio_ccw_serial_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_serial_properties; @@ -1469,7 +1484,7 @@ static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_balloon_init; + k->realize = virtio_ccw_balloon_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_balloon_properties; @@ -1496,7 +1511,7 @@ static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_scsi_init; + k->realize = virtio_ccw_scsi_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_scsi_properties; @@ -1521,7 +1536,7 @@ static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = vhost_ccw_scsi_init; + k->realize = vhost_ccw_scsi_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = vhost_ccw_scsi_properties; @@ -1558,7 +1573,7 @@ static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); - k->init = virtio_ccw_rng_init; + k->realize = virtio_ccw_rng_realize; k->exit = virtio_ccw_exit; dc->reset = virtio_ccw_reset; dc->props = virtio_ccw_rng_properties; @@ -1572,14 +1587,13 @@ static const TypeInfo virtio_ccw_rng = { .class_init = virtio_ccw_rng_class_init, }; -static int virtio_ccw_busdev_init(DeviceState *dev) +static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp) { VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev; VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev); virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev); - - return _info->init(_dev); + _info->realize(_dev, errp); } static int virtio_ccw_busdev_exit(DeviceState *dev) @@ -1622,7 +1636,7 @@ static void virtio_ccw_device_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); dc->props = virtio_ccw_properties; - dc->init = virtio_ccw_busdev_init; + dc->realize = virtio_ccw_busdev_realize; dc->exit = virtio_ccw_busdev_exit; dc->bus_type = TYPE_VIRTUAL_CSS_BUS; } diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h index 5a1f16ee5d..4fceda735a 100644 --- a/hw/s390x/virtio-ccw.h +++ b/hw/s390x/virtio-ccw.h @@ -64,7 +64,7 @@ typedef struct VirtioCcwDevice VirtioCcwDevice; typedef struct VirtIOCCWDeviceClass { DeviceClass parent_class; - int (*init)(VirtioCcwDevice *dev); + void (*realize)(VirtioCcwDevice *dev, Error **errp); int (*exit)(VirtioCcwDevice *dev); } VirtIOCCWDeviceClass;