Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 278 deletions

diff --git a/qemu/hw/virtio/virtio-rng.c b/qemu/hw/virtio/virtio-rng.c
deleted file mode 100644
index 6b991a764..000000000
--- a/qemu/hw/virtio/virtio-rng.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * A virtio device implementing a hardware random number generator.
- *
- * Copyright 2012 Red Hat, Inc.
- * Copyright 2012 Amit Shah <amit.shah@redhat.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 directory.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu/iov.h"
-#include "hw/qdev.h"
-#include "hw/virtio/virtio.h"
-#include "hw/virtio/virtio-rng.h"
-#include "sysemu/rng.h"
-#include "qom/object_interfaces.h"
-#include "trace.h"
-
-static bool is_guest_ready(VirtIORNG *vrng)
-{
-    VirtIODevice *vdev = VIRTIO_DEVICE(vrng);
-    if (virtio_queue_ready(vrng->vq)
-        && (vdev->status & VIRTIO_CONFIG_S_DRIVER_OK)) {
-        return true;
-    }
-    trace_virtio_rng_guest_not_ready(vrng);
-    return false;
-}
-
-static size_t get_request_size(VirtQueue *vq, unsigned quota)
-{
-    unsigned int in, out;
-
-    virtqueue_get_avail_bytes(vq, &in, &out, quota, 0);
-    return in;
-}
-
-static void virtio_rng_process(VirtIORNG *vrng);
-
-/* Send data from a char device over to the guest */
-static void chr_read(void *opaque, const void *buf, size_t size)
-{
-    VirtIORNG *vrng = opaque;
-    VirtIODevice *vdev = VIRTIO_DEVICE(vrng);
-    VirtQueueElement *elem;
-    size_t len;
-    int offset;
-
-    if (!is_guest_ready(vrng)) {
-        return;
-    }
-
-    vrng->quota_remaining -= size;
-
-    offset = 0;
-    while (offset < size) {
-        elem = virtqueue_pop(vrng->vq, sizeof(VirtQueueElement));
-        if (!elem) {
-            break;
-        }
-        len = iov_from_buf(elem->in_sg, elem->in_num,
-                           0, buf + offset, size - offset);
-        offset += len;
-
-        virtqueue_push(vrng->vq, elem, len);
-        trace_virtio_rng_pushed(vrng, len);
-        g_free(elem);
-    }
-    virtio_notify(vdev, vrng->vq);
-
-    if (!virtio_queue_empty(vrng->vq)) {
-        /* If we didn't drain the queue, call virtio_rng_process
-         * to take care of asking for more data as appropriate.
-         */
-        virtio_rng_process(vrng);
-    }
-}
-
-static void virtio_rng_process(VirtIORNG *vrng)
-{
-    size_t size;
-    unsigned quota;
-
-    if (!is_guest_ready(vrng)) {
-        return;
-    }
-
-    if (vrng->activate_timer) {
-        timer_mod(vrng->rate_limit_timer,
-                  qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vrng->conf.period_ms);
-        vrng->activate_timer = false;
-    }
-
-    if (vrng->quota_remaining < 0) {
-        quota = 0;
-    } else {
-        quota = MIN((uint64_t)vrng->quota_remaining, (uint64_t)UINT32_MAX);
-    }
-    size = get_request_size(vrng->vq, quota);
-
-    trace_virtio_rng_request(vrng, size, quota);
-
-    size = MIN(vrng->quota_remaining, size);
-    if (size) {
-        rng_backend_request_entropy(vrng->rng, size, chr_read, vrng);
-    }
-}
-
-static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
-{
-    VirtIORNG *vrng = VIRTIO_RNG(vdev);
-    virtio_rng_process(vrng);
-}
-
-static uint64_t get_features(VirtIODevice *vdev, uint64_t f, Error **errp)
-{
-    return f;
-}
-
-static void virtio_rng_save(QEMUFile *f, void *opaque)
-{
-    VirtIODevice *vdev = opaque;
-
-    virtio_save(vdev, f);
-}
-
-static int virtio_rng_load(QEMUFile *f, void *opaque, int version_id)
-{
-    VirtIORNG *vrng = opaque;
-    int ret;
-
-    if (version_id != 1) {
-        return -EINVAL;
-    }
-    ret = virtio_load(VIRTIO_DEVICE(vrng), f, version_id);
-    if (ret != 0) {
-        return ret;
-    }
-
-    /* We may have an element ready but couldn't process it due to a quota
-     * limit.  Make sure to try again after live migration when the quota may
-     * have been reset.
-     */
-    virtio_rng_process(vrng);
-
-    return 0;
-}
-
-static void check_rate_limit(void *opaque)
-{
-    VirtIORNG *vrng = opaque;
-
-    vrng->quota_remaining = vrng->conf.max_bytes;
-    virtio_rng_process(vrng);
-    vrng->activate_timer = true;
-}
-
-static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
-{
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
-    VirtIORNG *vrng = VIRTIO_RNG(dev);
-    Error *local_err = NULL;
-
-    if (vrng->conf.period_ms <= 0) {
-        error_setg(errp, "'period' parameter expects a positive integer");
-        return;
-    }
-
-    /* Workaround: Property parsing does not enforce unsigned integers,
-     * So this is a hack to reject such numbers. */
-    if (vrng->conf.max_bytes > INT64_MAX) {
-        error_setg(errp, "'max-bytes' parameter must be non-negative, "
-                   "and less than 2^63");
-        return;
-    }
-
-    if (vrng->conf.rng == NULL) {
-        vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
-
-        user_creatable_complete(OBJECT(vrng->conf.default_backend),
-                                &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
-            object_unref(OBJECT(vrng->conf.default_backend));
-            return;
-        }
-
-        object_property_add_child(OBJECT(dev),
-                                  "default-backend",
-                                  OBJECT(vrng->conf.default_backend),
-                                  NULL);
-
-        /* The child property took a reference, we can safely drop ours now */
-        object_unref(OBJECT(vrng->conf.default_backend));
-
-        object_property_set_link(OBJECT(dev),
-                                 OBJECT(vrng->conf.default_backend),
-                                 "rng", NULL);
-    }
-
-    vrng->rng = vrng->conf.rng;
-    if (vrng->rng == NULL) {
-        error_setg(errp, "'rng' parameter expects a valid object");
-        return;
-    }
-
-    virtio_init(vdev, "virtio-rng", VIRTIO_ID_RNG, 0);
-
-    vrng->vq = virtio_add_queue(vdev, 8, handle_input);
-    vrng->quota_remaining = vrng->conf.max_bytes;
-    vrng->rate_limit_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
-                                               check_rate_limit, vrng);
-    vrng->activate_timer = true;
-    register_savevm(dev, "virtio-rng", -1, 1, virtio_rng_save,
-                    virtio_rng_load, vrng);
-}
-
-static void virtio_rng_device_unrealize(DeviceState *dev, Error **errp)
-{
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
-    VirtIORNG *vrng = VIRTIO_RNG(dev);
-
-    timer_del(vrng->rate_limit_timer);
-    timer_free(vrng->rate_limit_timer);
-    unregister_savevm(dev, "virtio-rng", vrng);
-    virtio_cleanup(vdev);
-}
-
-static Property virtio_rng_properties[] = {
-    /* Set a default rate limit of 2^47 bytes per minute or roughly 2TB/s.  If
-     * you have an entropy source capable of generating more entropy than this
-     * and you can pass it through via virtio-rng, then hats off to you.  Until
-     * then, this is unlimited for all practical purposes.
-     */
-    DEFINE_PROP_UINT64("max-bytes", VirtIORNG, conf.max_bytes, INT64_MAX),
-    DEFINE_PROP_UINT32("period", VirtIORNG, conf.period_ms, 1 << 16),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_rng_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
-
-    dc->props = virtio_rng_properties;
-    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-    vdc->realize = virtio_rng_device_realize;
-    vdc->unrealize = virtio_rng_device_unrealize;
-    vdc->get_features = get_features;
-}
-
-static void virtio_rng_initfn(Object *obj)
-{
-    VirtIORNG *vrng = VIRTIO_RNG(obj);
-
-    object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
-                             (Object **)&vrng->conf.rng,
-                             qdev_prop_allow_set_link_before_realize,
-                             OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
-}
-
-static const TypeInfo virtio_rng_info = {
-    .name = TYPE_VIRTIO_RNG,
-    .parent = TYPE_VIRTIO_DEVICE,
-    .instance_size = sizeof(VirtIORNG),
-    .instance_init = virtio_rng_initfn,
-    .class_init = virtio_rng_class_init,
-};
-
-static void virtio_register_types(void)
-{
-    type_register_static(&virtio_rng_info);
-}
-
-type_init(virtio_register_types)