#include "trace.h"
#include "hw/s390x/css-bridge.h"
+#define NR_CLASSIC_INDICATOR_BITS 64
+
static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
VirtioCcwDevice *dev);
uint16_t num = info ? info->num : linfo->num;
uint64_t desc = info ? info->desc : linfo->queue;
- if (index >= VIRTIO_CCW_QUEUE_MAX) {
+ if (index >= VIRTIO_QUEUE_MAX) {
return -EINVAL;
}
virtio_queue_set_vector(vdev, index, index);
}
/* tell notify handler in case of config change */
- vdev->config_vector = VIRTIO_CCW_QUEUE_MAX;
+ vdev->config_vector = VIRTIO_QUEUE_MAX;
return 0;
}
ccw.cmd_code);
check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));
+ if (dev->force_revision_1 && dev->revision < 0 &&
+ ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) {
+ /*
+ * virtio-1 drivers must start with negotiating to a revision >= 1,
+ * so post a command reject for all other commands
+ */
+ return -ENOSYS;
+ }
+
/* Look at the command. */
switch (ccw.cmd_code) {
case CCW_CMD_SET_VQ:
ret = -ENOSYS;
break;
}
+ if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) {
+ /* More queues than indicator bits --> trigger a reject */
+ ret = -ENOSYS;
+ break;
+ }
if (!ccw.cda) {
ret = -EFAULT;
} else {
ccw.cda,
MEMTXATTRS_UNSPECIFIED,
NULL);
- if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) {
+ if (vq_config.index >= VIRTIO_QUEUE_MAX) {
ret = -EINVAL;
break;
}
dev->routes.adapter.ind_offset = ind_bit;
dev->routes.adapter.summary_offset = 7;
cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len);
- ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
- dev->thinint_isc, true, false,
- &dev->routes.adapter.adapter_id);
- assert(ret == 0);
+ dev->routes.adapter.adapter_id = css_get_adapter_id(
+ CSS_IO_ADAPTER_VIRTIO,
+ dev->thinint_isc);
sch->thinint_active = ((dev->indicators != NULL) &&
(dev->summary_indicator != NULL));
sch->curr_status.scsw.count = ccw.count - len;
* need to fetch it here. Nothing to do for now, though.
*/
if (dev->revision >= 0 ||
- revinfo.revision > virtio_ccw_rev_max(dev)) {
+ revinfo.revision > virtio_ccw_rev_max(dev) ||
+ (dev->force_revision_1 && !revinfo.revision)) {
ret = -ENOSYS;
break;
}
{
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
CcwDevice *ccw_dev = CCW_DEVICE(dev);
- SubchDev *sch = css_create_virtual_sch(ccw_dev->bus_id, errp);
+ CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
+ DeviceState *parent = DEVICE(ccw_dev);
+ BusState *qbus = qdev_get_parent_bus(parent);
+ VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus);
+ SubchDev *sch;
Error *err = NULL;
+ sch = css_create_sch(ccw_dev->devno, true, cbus->squash_mcss, errp);
if (!sch) {
return;
}
+ if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) {
+ error_setg(&err, "Invalid value of property max_rev "
+ "(is %d expected >= 1)", virtio_ccw_rev_max(dev));
+ goto out_err;
+ }
sch->driver_data = dev;
sch->ccw_cb = virtio_ccw_cb;
sch->disable_cb = virtio_sch_disable_cb;
sch->id.reserved = 0xff;
sch->id.cu_type = VIRTIO_CCW_CU_TYPE;
+ sch->do_subchannel_work = do_subchannel_work_virtual;
ccw_dev->sch = sch;
dev->indicators = NULL;
dev->revision = -1;
trace_virtio_ccw_new_device(
sch->cssid, sch->ssid, sch->schid, sch->devno,
- ccw_dev->bus_id.valid ? "user-configured" : "auto-configured");
+ ccw_dev->devno.valid ? "user-configured" : "auto-configured");
if (!kvm_eventfds_enabled()) {
dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
if (k->realize) {
k->realize(dev, &err);
+ if (err) {
+ goto out_err;
+ }
}
+
+ ck->realize(ccw_dev, &err);
if (err) {
- error_propagate(errp, err);
- css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);
- ccw_dev->sch = NULL;
- g_free(sch);
+ goto out_err;
}
+
+ return;
+
+out_err:
+ error_propagate(errp, err);
+ css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);
+ ccw_dev->sch = NULL;
+ g_free(sch);
}
static int virtio_ccw_exit(VirtioCcwDevice *dev)
NULL);
}
+static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+ Error *err = NULL;
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ object_property_set_link(OBJECT(vdev),
+ OBJECT(dev->vdev.conf.cryptodev), "cryptodev",
+ NULL);
+}
+
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
* be careful and test performance if you change this.
*/
uint64_t indicators;
/* queue indicators + secondary indicators */
- if (vector >= VIRTIO_CCW_QUEUE_MAX + 64) {
+ if (vector >= VIRTIO_QUEUE_MAX + 64) {
return;
}
- if (vector < VIRTIO_CCW_QUEUE_MAX) {
+ if (vector < VIRTIO_QUEUE_MAX) {
if (!dev->indicators) {
return;
}
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
CcwDevice *ccw_dev = CCW_DEVICE(d);
+ CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
SubchDev *s = ccw_dev->sch;
VirtIODevice *vdev = virtio_ccw_get_vdev(s);
int len;
s->driver_data = dev;
subch_device_load(s, f);
+ /* Re-fill subch_id after loading the subchannel states.*/
+ if (ck->refill_ids) {
+ ck->refill_ids(ccw_dev);
+ }
len = qemu_get_be32(f);
if (len != 0) {
dev->indicators = get_indicator(qemu_get_be64(f), len);
dev->thinint_isc = qemu_get_byte(f);
dev->revision = qemu_get_be32(f);
if (s->thinint_active) {
- return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
- dev->thinint_isc, true, false,
- &dev->routes.adapter.adapter_id);
+ dev->routes.adapter.adapter_id = css_get_adapter_id(
+ CSS_IO_ADAPTER_VIRTIO,
+ dev->thinint_isc);
}
return 0;
CcwDevice *ccw_dev = CCW_DEVICE(d);
SubchDev *sch = ccw_dev->sch;
int n = virtio_get_num_queues(vdev);
+ S390FLICState *flic = s390_get_flic();
if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) {
dev->max_rev = 0;
}
- if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) {
+ if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) {
error_setg(errp, "The number of virtqueues %d "
- "exceeds ccw limit %d", n,
- VIRTIO_CCW_QUEUE_MAX);
+ "exceeds virtio limit %d", n,
+ VIRTIO_QUEUE_MAX);
+ return;
+ }
+ if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) {
+ error_setg(errp, "The number of virtqueues %d "
+ "exceeds flic adapter route limit %d", n,
+ flic->adapter_routes_max_batch);
return;
}
/**************** Virtio-ccw Bus Device Descriptions *******************/
static Property virtio_ccw_net_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
};
static Property virtio_ccw_blk_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
};
static Property virtio_ccw_serial_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
};
static Property virtio_ccw_balloon_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
};
static Property virtio_ccw_scsi_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
#ifdef CONFIG_VHOST_SCSI
static Property vhost_ccw_scsi_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
VIRTIO_CCW_MAX_REV),
DEFINE_PROP_END_OF_LIST(),
}
static Property virtio_ccw_rng_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
.class_init = virtio_ccw_rng_class_init,
};
+static Property virtio_ccw_crypto_properties[] = {
+ DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+ VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
+ VIRTIO_CCW_MAX_REV),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_crypto_instance_init(Object *obj)
+{
+ VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
+ VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
+
+ ccw_dev->force_revision_1 = true;
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_CRYPTO);
+
+ object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev),
+ "cryptodev", &error_abort);
+}
+
+static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->realize = virtio_ccw_crypto_realize;
+ k->exit = virtio_ccw_exit;
+ dc->reset = virtio_ccw_reset;
+ dc->props = virtio_ccw_crypto_properties;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+}
+
+static const TypeInfo virtio_ccw_crypto = {
+ .name = TYPE_VIRTIO_CRYPTO_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(VirtIOCryptoCcw),
+ .instance_init = virtio_ccw_crypto_instance_init,
+ .class_init = virtio_ccw_crypto_class_init,
+};
+
static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
#ifdef CONFIG_VIRTFS
static Property virtio_ccw_9p_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
#ifdef CONFIG_VHOST_VSOCK
static Property vhost_vsock_ccw_properties[] = {
- DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
VIRTIO_CCW_MAX_REV),
DEFINE_PROP_END_OF_LIST(),
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
- if (err) {
- error_propagate(errp, err);
- }
+ error_propagate(errp, err);
}
static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
#ifdef CONFIG_VHOST_VSOCK
type_register_static(&vhost_vsock_ccw_info);
#endif
+ type_register_static(&virtio_ccw_crypto);
}
type_init(virtio_ccw_register)
projects / qemu.git / blobdiff