1 files changed, 0 insertions, 143 deletions
diff --git a/hw/virtio-console.c b/hw/virtio-console.c
deleted file mode 100644
index 4f18ef2..0000000
--- a/hw/virtio-console.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Virtio Console Device
- *
- * Copyright IBM, Corp. 2008
- *
- * Authors:
- *  Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
- *
- */
-
-#include "hw.h"
-#include "qemu-char.h"
-#include "virtio.h"
-#include "virtio-console.h"
-
-
-typedef struct VirtIOConsole
-{
-    VirtIODevice vdev;
-    VirtQueue *ivq, *ovq;
-    CharDriverState *chr;
-} VirtIOConsole;
-
-static VirtIOConsole *to_virtio_console(VirtIODevice *vdev)
-{
-    return (VirtIOConsole *)vdev;
-}
-
-static void virtio_console_handle_output(VirtIODevice *vdev, VirtQueue *vq)
-{
-    VirtIOConsole *s = to_virtio_console(vdev);
-    VirtQueueElement elem;
-
-    while (virtqueue_pop(vq, &elem)) {
-        ssize_t len = 0;
-        int d;
-
-        for (d = 0; d < elem.out_num; d++) {
-            len += qemu_chr_write(s->chr, (uint8_t *)elem.out_sg[d].iov_base,
-                                  elem.out_sg[d].iov_len);
-        }
-        virtqueue_push(vq, &elem, len);
-        virtio_notify(vdev, vq);
-    }
-}
-
-static void virtio_console_handle_input(VirtIODevice *vdev, VirtQueue *vq)
-{
-}
-
-static uint32_t virtio_console_get_features(VirtIODevice *vdev, uint32_t f)
-{
-    return f;
-}
-
-static int vcon_can_read(void *opaque)
-{
-    VirtIOConsole *s = (VirtIOConsole *) opaque;
-
-    if (!virtio_queue_ready(s->ivq) ||
-        !(s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) ||
-        virtio_queue_empty(s->ivq))
-        return 0;
-
-    /* current implementations have a page sized buffer.
-     * We fall back to a one byte per read if there is not enough room.
-     * It would be cool to have a function that returns the available byte
-     * instead of checking for a limit */
-    if (virtqueue_avail_bytes(s->ivq, TARGET_PAGE_SIZE, 0))
-        return TARGET_PAGE_SIZE;
-    if (virtqueue_avail_bytes(s->ivq, 1, 0))
-        return 1;
-    return 0;
-}
-
-static void vcon_read(void *opaque, const uint8_t *buf, int size)
-{
-    VirtIOConsole *s = (VirtIOConsole *) opaque;
-    VirtQueueElement elem;
-    int offset = 0;
-
-    /* The current kernel implementation has only one outstanding input
-     * buffer of PAGE_SIZE. Nevertheless, this function is prepared to
-     * handle multiple buffers with multiple sg element for input */
-    while (offset < size) {
-        int i = 0;
-        if (!virtqueue_pop(s->ivq, &elem))
-                break;
-        while (offset < size && i < elem.in_num) {
-            int len = MIN(elem.in_sg[i].iov_len, size - offset);
-            memcpy(elem.in_sg[i].iov_base, buf + offset, len);
-            offset += len;
-            i++;
-        }
-        virtqueue_push(s->ivq, &elem, size);
-    }
-    virtio_notify(&s->vdev, s->ivq);
-}
-
-static void vcon_event(void *opaque, int event)
-{
-    /* we will ignore any event for the time being */
-}
-
-static void virtio_console_save(QEMUFile *f, void *opaque)
-{
-    VirtIOConsole *s = opaque;
-
-    virtio_save(&s->vdev, f);
-}
-
-static int virtio_console_load(QEMUFile *f, void *opaque, int version_id)
-{
-    VirtIOConsole *s = opaque;
-
-    if (version_id != 1)
-        return -EINVAL;
-
-    virtio_load(&s->vdev, f);
-    return 0;
-}
-
-VirtIODevice *virtio_console_init(DeviceState *dev)
-{
-    VirtIOConsole *s;
-    s = (VirtIOConsole *)virtio_common_init("virtio-console",
-                                            VIRTIO_ID_CONSOLE,
-                                            0, sizeof(VirtIOConsole));
-    s->vdev.get_features = virtio_console_get_features;
-
-    s->ivq = virtio_add_queue(&s->vdev, 128, virtio_console_handle_input);
-    s->ovq = virtio_add_queue(&s->vdev, 128, virtio_console_handle_output);
-
-    s->chr = qdev_init_chardev(dev);
-    qemu_chr_add_handlers(s->chr, vcon_can_read, vcon_read, vcon_event, s);
-
-    register_savevm("virtio-console", -1, 1, virtio_console_save, virtio_console_load, s);
-
-    return &s->vdev;
-}