aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2015-06-09 11:07:41 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-06-09 11:07:41 +0100
commit44ee94e4862603c2b1b21718effc5f17b39f43bc (patch)
treeba20ff4eaca1efaeacbe12509a455b46bf058812
parentb781a60b1054e06de6733b75dd1489afff9c3276 (diff)
parent6028ef075791913228c36f10cb270f1f52e9f076 (diff)
Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20150609' into staging
s390x/virtio-ccw: migration and virtio for 2.4 1. Migration fixups 2. virtio 9pfs # gpg: Signature made Tue Jun 9 09:00:05 2015 BST using RSA key ID B5A61C7C # gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>" * remotes/borntraeger/tags/s390x-20150609: s390x/migration: add comment about floating point migration s390x/kvm: always ignore empty vcpu interrupt state virtio-ccw/migration: Migrate config vector for virtio devices virtio-ccw: add support for 9pfs Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/s390x/virtio-ccw.c60
-rw-r--r--hw/s390x/virtio-ccw.h18
-rw-r--r--target-s390x/kvm.c7
-rw-r--r--target-s390x/machine.c1
4 files changed, 81 insertions, 5 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index ef90feddea..ab5fc7f40e 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1,8 +1,9 @@
/*
* virtio ccw target implementation
*
- * Copyright 2012,2014 IBM Corp.
+ * Copyright 2012,2015 IBM Corp.
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ * Pierre Morel <pmorel@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
@@ -1310,6 +1311,7 @@ static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
SubchDev *s = dev->sch;
+ VirtIODevice *vdev = virtio_ccw_get_vdev(s);
subch_device_save(s, f);
if (dev->indicators != NULL) {
@@ -1333,6 +1335,7 @@ static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f)
qemu_put_be32(f, 0);
qemu_put_be64(f, 0UL);
}
+ qemu_put_be16(f, vdev->config_vector);
qemu_put_be64(f, dev->routes.adapter.ind_offset);
qemu_put_byte(f, dev->thinint_isc);
}
@@ -1341,6 +1344,7 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
SubchDev *s = dev->sch;
+ VirtIODevice *vdev = virtio_ccw_get_vdev(s);
int len;
s->driver_data = dev;
@@ -1366,6 +1370,7 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
qemu_get_be64(f);
dev->summary_indicator = NULL;
}
+ qemu_get_be16s(f, &vdev->config_vector);
dev->routes.adapter.ind_offset = qemu_get_be64(f);
dev->thinint_isc = qemu_get_byte(f);
if (s->thinint_active) {
@@ -1730,6 +1735,56 @@ static const TypeInfo virtio_ccw_bus_info = {
.class_init = virtio_ccw_bus_class_init,
};
+#ifdef CONFIG_VIRTFS
+static Property virtio_ccw_9p_properties[] = {
+ DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
+ DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+ VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ V9fsCCWState *dev = VIRTIO_9P_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);
+ }
+}
+
+static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->exit = virtio_ccw_exit;
+ k->realize = virtio_ccw_9p_realize;
+ dc->reset = virtio_ccw_reset;
+ dc->props = virtio_ccw_9p_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+}
+
+static void virtio_ccw_9p_instance_init(Object *obj)
+{
+ V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_9P);
+}
+
+static const TypeInfo virtio_ccw_9p_info = {
+ .name = TYPE_VIRTIO_9P_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(V9fsCCWState),
+ .instance_init = virtio_ccw_9p_instance_init,
+ .class_init = virtio_ccw_9p_class_init,
+};
+#endif
+
static void virtio_ccw_register(void)
{
type_register_static(&virtio_ccw_bus_info);
@@ -1745,6 +1800,9 @@ static void virtio_ccw_register(void)
#endif
type_register_static(&virtio_ccw_rng);
type_register_static(&virtual_css_bridge_info);
+#ifdef CONFIG_VIRTFS
+ type_register_static(&virtio_ccw_9p_info);
+#endif
}
type_init(virtio_ccw_register)
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index ad3af7626a..d729263960 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -1,8 +1,9 @@
/*
* virtio ccw target definitions
*
- * Copyright 2012 IBM Corp.
+ * Copyright 2012,2015 IBM Corp.
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ * Pierre Morel <pmorel@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
@@ -189,4 +190,19 @@ typedef struct VirtIORNGCcw {
VirtualCssBus *virtual_css_bus_init(void);
void virtio_ccw_device_update_status(SubchDev *sch);
VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
+
+#ifdef CONFIG_VIRTFS
+#include "hw/9pfs/virtio-9p.h"
+
+#define TYPE_VIRTIO_9P_CCW "virtio-9p-ccw"
+#define VIRTIO_9P_CCW(obj) \
+ OBJECT_CHECK(V9fsCCWState, (obj), TYPE_VIRTIO_9P_CCW)
+
+typedef struct V9fsCCWState {
+ VirtioCcwDevice parent_obj;
+ V9fsState vdev;
+} V9fsCCWState;
+
+#endif /* CONFIG_VIRTFS */
+
#endif
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 2740ec4eef..f6f61b9619 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -2175,13 +2175,14 @@ int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu)
struct kvm_s390_irq_state irq_state;
int r;
+ if (cpu->irqstate_saved_size == 0) {
+ return 0;
+ }
+
if (!kvm_check_extension(kvm_state, KVM_CAP_S390_IRQ_STATE)) {
return -ENOSYS;
}
- if (cpu->irqstate_saved_size == 0) {
- return 0;
- }
irq_state.buf = (uint64_t) cpu->irqstate;
irq_state.len = cpu->irqstate_saved_size;
diff --git a/target-s390x/machine.c b/target-s390x/machine.c
index e52d76032e..004474959a 100644
--- a/target-s390x/machine.c
+++ b/target-s390x/machine.c
@@ -70,6 +70,7 @@ const VMStateDescription vmstate_fpu = {
static inline bool fpu_needed(void *opaque)
{
+ /* This looks odd, but we might want to NOT transfer fprs in the future */
return true;
}