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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/virtio-console.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
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>
Diffstat (limited to 'hw/virtio-console.c')
-rw-r--r--hw/virtio-console.c184
1 files changed, 0 insertions, 184 deletions
diff --git a/hw/virtio-console.c b/hw/virtio-console.c
deleted file mode 100644
index 31f672c9a3..0000000000
--- a/hw/virtio-console.c
+++ /dev/null
@@ -1,184 +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 "char/char.h"
-#include "qemu/error-report.h"
-#include "trace.h"
-#include "hw/virtio/virtio-serial.h"
-
-typedef struct VirtConsole {
- VirtIOSerialPort port;
- CharDriverState *chr;
-} 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;
-
- virtio_serial_throttle_port(&vcon->port, 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, size_t len)
-{
- VirtConsole *vcon = DO_UPCAST(VirtConsole, port, 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 <= 0) {
- 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.
- */
- ret = 0;
- if (!k->is_console) {
- virtio_serial_throttle_port(port, true);
- qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, 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 = DO_UPCAST(VirtConsole, port, port);
-
- if (!vcon->chr) {
- return;
- }
- qemu_chr_fe_set_open(vcon->chr, guest_connected);
-}
-
-/* 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(&vcon->port);
-}
-
-/* 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;
-
- trace_virtio_console_chr_read(vcon->port.id, size);
- virtio_serial_write(&vcon->port, buf, size);
-}
-
-static void chr_event(void *opaque, int event)
-{
- VirtConsole *vcon = opaque;
-
- trace_virtio_console_chr_event(vcon->port.id, event);
- switch (event) {
- case CHR_EVENT_OPENED:
- virtio_serial_open(&vcon->port);
- break;
- case CHR_EVENT_CLOSED:
- virtio_serial_close(&vcon->port);
- break;
- }
-}
-
-static int virtconsole_initfn(VirtIOSerialPort *port)
-{
- VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port);
-
- if (port->id == 0 && !k->is_console) {
- error_report("Port number 0 on virtio-serial devices reserved for virtconsole devices for backward compatibility.");
- return -1;
- }
-
- if (vcon->chr) {
- vcon->chr->explicit_fe_open = 1;
- qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event,
- vcon);
- }
-
- return 0;
-}
-
-static Property virtconsole_properties[] = {
- DEFINE_PROP_CHR("chardev", VirtConsole, chr),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtconsole_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_CLASS(klass);
-
- k->is_console = true;
- k->init = virtconsole_initfn;
- k->have_data = flush_buf;
- k->set_guest_connected = set_guest_connected;
- dc->props = virtconsole_properties;
-}
-
-static const TypeInfo virtconsole_info = {
- .name = "virtconsole",
- .parent = TYPE_VIRTIO_SERIAL_PORT,
- .instance_size = sizeof(VirtConsole),
- .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->init = virtconsole_initfn;
- k->have_data = flush_buf;
- k->set_guest_connected = set_guest_connected;
- dc->props = virtserialport_properties;
-}
-
-static const TypeInfo virtserialport_info = {
- .name = "virtserialport",
- .parent = TYPE_VIRTIO_SERIAL_PORT,
- .instance_size = sizeof(VirtConsole),
- .class_init = virtserialport_class_init,
-};
-
-static void virtconsole_register_types(void)
-{
- type_register_static(&virtconsole_info);
- type_register_static(&virtserialport_info);
-}
-
-type_init(virtconsole_register_types)