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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/char/virtio-console.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
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>
Diffstat (limited to 'qemu/hw/char/virtio-console.c')
-rw-r--r--qemu/hw/char/virtio-console.c218
1 files changed, 0 insertions, 218 deletions
diff --git a/qemu/hw/char/virtio-console.c b/qemu/hw/char/virtio-console.c
deleted file mode 100644
index 2e36481a7..000000000
--- a/qemu/hw/char/virtio-console.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Virtio Console and Generic Serial Port Devices
- *
- * Copyright Red Hat, Inc. 2009, 2010
- *
- * Authors:
- * Amit Shah <amit.shah@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "sysemu/char.h"
-#include "qemu/error-report.h"
-#include "trace.h"
-#include "hw/virtio/virtio-serial.h"
-#include "qapi-event.h"
-
-#define TYPE_VIRTIO_CONSOLE_SERIAL_PORT "virtserialport"
-#define VIRTIO_CONSOLE(obj) \
- OBJECT_CHECK(VirtConsole, (obj), TYPE_VIRTIO_CONSOLE_SERIAL_PORT)
-
-typedef struct VirtConsole {
- VirtIOSerialPort parent_obj;
-
- CharDriverState *chr;
- guint watch;
-} VirtConsole;
-
-/*
- * Callback function that's called from chardevs when backend becomes
- * writable.
- */
-static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond,
- void *opaque)
-{
- VirtConsole *vcon = opaque;
-
- vcon->watch = 0;
- virtio_serial_throttle_port(VIRTIO_SERIAL_PORT(vcon), false);
- return FALSE;
-}
-
-/* Callback function that's called when the guest sends us data */
-static ssize_t flush_buf(VirtIOSerialPort *port,
- const uint8_t *buf, ssize_t len)
-{
- VirtConsole *vcon = VIRTIO_CONSOLE(port);
- ssize_t ret;
-
- if (!vcon->chr) {
- /* If there's no backend, we can just say we consumed all data. */
- return len;
- }
-
- ret = qemu_chr_fe_write(vcon->chr, buf, len);
- trace_virtio_console_flush_buf(port->id, len, ret);
-
- if (ret < len) {
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port);
-
- /*
- * Ideally we'd get a better error code than just -1, but
- * that's what the chardev interface gives us right now. If
- * we had a finer-grained message, like -EPIPE, we could close
- * this connection.
- */
- if (ret < 0)
- ret = 0;
- if (!k->is_console) {
- virtio_serial_throttle_port(port, true);
- if (!vcon->watch) {
- vcon->watch = qemu_chr_fe_add_watch(vcon->chr,
- G_IO_OUT|G_IO_HUP,
- chr_write_unblocked, vcon);
- }
- }
- }
- return ret;
-}
-
-/* Callback function that's called when the guest opens/closes the port */
-static void set_guest_connected(VirtIOSerialPort *port, int guest_connected)
-{
- VirtConsole *vcon = VIRTIO_CONSOLE(port);
- DeviceState *dev = DEVICE(port);
-
- if (vcon->chr) {
- qemu_chr_fe_set_open(vcon->chr, guest_connected);
- }
-
- if (dev->id) {
- qapi_event_send_vserport_change(dev->id, guest_connected,
- &error_abort);
- }
-}
-
-static void guest_writable(VirtIOSerialPort *port)
-{
- VirtConsole *vcon = VIRTIO_CONSOLE(port);
-
- if (vcon->chr) {
- qemu_chr_accept_input(vcon->chr);
- }
-}
-
-/* Readiness of the guest to accept data on a port */
-static int chr_can_read(void *opaque)
-{
- VirtConsole *vcon = opaque;
-
- return virtio_serial_guest_ready(VIRTIO_SERIAL_PORT(vcon));
-}
-
-/* Send data from a char device over to the guest */
-static void chr_read(void *opaque, const uint8_t *buf, int size)
-{
- VirtConsole *vcon = opaque;
- VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(vcon);
-
- trace_virtio_console_chr_read(port->id, size);
- virtio_serial_write(port, buf, size);
-}
-
-static void chr_event(void *opaque, int event)
-{
- VirtConsole *vcon = opaque;
- VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(vcon);
-
- trace_virtio_console_chr_event(port->id, event);
- switch (event) {
- case CHR_EVENT_OPENED:
- virtio_serial_open(port);
- break;
- case CHR_EVENT_CLOSED:
- if (vcon->watch) {
- g_source_remove(vcon->watch);
- vcon->watch = 0;
- }
- virtio_serial_close(port);
- break;
- }
-}
-
-static void virtconsole_realize(DeviceState *dev, Error **errp)
-{
- VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
- VirtConsole *vcon = VIRTIO_CONSOLE(dev);
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(dev);
-
- if (port->id == 0 && !k->is_console) {
- error_setg(errp, "Port number 0 on virtio-serial devices reserved "
- "for virtconsole devices for backward compatibility.");
- return;
- }
-
- if (vcon->chr) {
- vcon->chr->explicit_fe_open = 1;
- qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event,
- vcon);
- }
-}
-
-static void virtconsole_unrealize(DeviceState *dev, Error **errp)
-{
- VirtConsole *vcon = VIRTIO_CONSOLE(dev);
-
- if (vcon->watch) {
- g_source_remove(vcon->watch);
- }
-}
-
-static void virtconsole_class_init(ObjectClass *klass, void *data)
-{
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_CLASS(klass);
-
- k->is_console = true;
-}
-
-static const TypeInfo virtconsole_info = {
- .name = "virtconsole",
- .parent = TYPE_VIRTIO_CONSOLE_SERIAL_PORT,
- .class_init = virtconsole_class_init,
-};
-
-static Property virtserialport_properties[] = {
- DEFINE_PROP_CHR("chardev", VirtConsole, chr),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtserialport_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_CLASS(klass);
-
- k->realize = virtconsole_realize;
- k->unrealize = virtconsole_unrealize;
- k->have_data = flush_buf;
- k->set_guest_connected = set_guest_connected;
- k->guest_writable = guest_writable;
- dc->props = virtserialport_properties;
-}
-
-static const TypeInfo virtserialport_info = {
- .name = TYPE_VIRTIO_CONSOLE_SERIAL_PORT,
- .parent = TYPE_VIRTIO_SERIAL_PORT,
- .instance_size = sizeof(VirtConsole),
- .class_init = virtserialport_class_init,
-};
-
-static void virtconsole_register_types(void)
-{
- type_register_static(&virtserialport_info);
- type_register_static(&virtconsole_info);
-}
-
-type_init(virtconsole_register_types)