hw: move target-independent files to subdirectories

This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 187 deletions

diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c
deleted file mode 100644
index 6079b2a3a9..0000000000
--- a/hw/virtio-rng.c
+++ /dev/null
@@ -1,187 +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/iov.h"
-#include "hw/qdev.h"
-#include "qapi/qmp/qerror.h"
-#include "hw/virtio/virtio.h"
-#include "hw/virtio/virtio-rng.h"
-#include "qemu/rng.h"
-
-static bool is_guest_ready(VirtIORNG *vrng)
-{
-    if (virtio_queue_ready(vrng->vq)
-        && (vrng->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) {
-        return true;
-    }
-    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;
-    VirtQueueElement elem;
-    size_t len;
-    int offset;
-
-    if (!is_guest_ready(vrng)) {
-        return;
-    }
-
-    vrng->quota_remaining -= size;
-
-    offset = 0;
-    while (offset < size) {
-        if (!virtqueue_pop(vrng->vq, &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);
-    }
-    virtio_notify(&vrng->vdev, vrng->vq);
-}
-
-static void virtio_rng_process(VirtIORNG *vrng)
-{
-    size_t size;
-    unsigned quota;
-
-    if (!is_guest_ready(vrng)) {
-        return;
-    }
-
-    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);
-    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 = DO_UPCAST(VirtIORNG, vdev, vdev);
-    virtio_rng_process(vrng);
-}
-
-static uint32_t get_features(VirtIODevice *vdev, uint32_t f)
-{
-    return f;
-}
-
-static void virtio_rng_save(QEMUFile *f, void *opaque)
-{
-    VirtIORNG *vrng = opaque;
-
-    virtio_save(&vrng->vdev, f);
-}
-
-static int virtio_rng_load(QEMUFile *f, void *opaque, int version_id)
-{
-    VirtIORNG *vrng = opaque;
-
-    if (version_id != 1) {
-        return -EINVAL;
-    }
-    virtio_load(&vrng->vdev, f);
-
-    /* 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 *s = opaque;
-
-    s->quota_remaining = s->conf->max_bytes;
-    virtio_rng_process(s);
-    qemu_mod_timer(s->rate_limit_timer,
-                   qemu_get_clock_ms(vm_clock) + s->conf->period_ms);
-}
-
-
-VirtIODevice *virtio_rng_init(DeviceState *dev, VirtIORNGConf *conf)
-{
-    VirtIORNG *vrng;
-    VirtIODevice *vdev;
-    Error *local_err = NULL;
-
-    vdev = virtio_common_init("virtio-rng", VIRTIO_ID_RNG, 0,
-                              sizeof(VirtIORNG));
-
-    vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
-
-    vrng->rng = conf->rng;
-    if (vrng->rng == NULL) {
-        qerror_report(QERR_INVALID_PARAMETER_VALUE, "rng", "a valid object");
-        return NULL;
-    }
-
-    rng_backend_open(vrng->rng, &local_err);
-    if (local_err) {
-        qerror_report_err(local_err);
-        error_free(local_err);
-        return NULL;
-    }
-
-    vrng->vq = virtio_add_queue(vdev, 8, handle_input);
-    vrng->vdev.get_features = get_features;
-
-    vrng->qdev = dev;
-    vrng->conf = conf;
-
-    assert(vrng->conf->max_bytes <= INT64_MAX);
-    vrng->quota_remaining = vrng->conf->max_bytes;
-
-    vrng->rate_limit_timer = qemu_new_timer_ms(vm_clock,
-                                               check_rate_limit, vrng);
-
-    qemu_mod_timer(vrng->rate_limit_timer,
-                   qemu_get_clock_ms(vm_clock) + vrng->conf->period_ms);
-
-    register_savevm(dev, "virtio-rng", -1, 1, virtio_rng_save,
-                    virtio_rng_load, vrng);
-
-    return vdev;
-}
-
-void virtio_rng_exit(VirtIODevice *vdev)
-{
-    VirtIORNG *vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
-
-    qemu_del_timer(vrng->rate_limit_timer);
-    qemu_free_timer(vrng->rate_limit_timer);
-    unregister_savevm(vrng->qdev, "virtio-rng", vrng);
-    virtio_cleanup(vdev);
-}