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[Qemu-devel] [PATCH 9/9] virtio-serial-bus: Let the guest know of host c
From: |
Amit Shah |
Subject: |
[Qemu-devel] [PATCH 9/9] virtio-serial-bus: Let the guest know of host connection changes after migration |
Date: |
Fri, 19 Mar 2010 17:28:46 +0530 |
If the host connection to a port is closed on the destination machine
after migration, when the connection was open on the source, the host
has to be informed of that.
Similar for a host connection open on the destination.
Signed-off-by: Amit Shah <address@hidden>
---
hw/virtio-serial-bus.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 2242edf..f5ea37e 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -435,6 +435,7 @@ static void virtio_serial_save(QEMUFile *f, void *opaque)
QTAILQ_FOREACH(port, &s->ports, next) {
qemu_put_be32s(f, &port->id);
qemu_put_byte(f, port->guest_connected);
+ qemu_put_byte(f, port->host_connected);
}
}
@@ -488,11 +489,21 @@ static int virtio_serial_load(QEMUFile *f, void *opaque,
int version_id)
/* Items in struct VirtIOSerialPort */
for (i = 0; i < nr_active_ports; i++) {
uint32_t id;
+ bool host_connected;
id = qemu_get_be32(f);
port = find_port_by_id(s, id);
port->guest_connected = qemu_get_byte(f);
+ host_connected = qemu_get_byte(f);
+ if (host_connected != port->host_connected) {
+ /*
+ * We have to let the guest know of the host connection
+ * status change
+ */
+ send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN,
+ port->host_connected);
+ }
}
return 0;
}
--
1.6.2.5
- [Qemu-devel] [PATCH 0/9] virtio-serial fixes, ABI updates, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 1/9] virtio-serial-bus: save/load: Ensure target has enough ports, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 2/9] virtio-serial-bus: save/load: Ensure nr_ports on src and dest are same., Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 3/9] virtio-serial: save/load: Ensure we have hot-plugged ports instantiated, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 5/9] virtio-serial: Handle scatter/gather input from the guest, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 6/9] virtio-serial: Remove redundant check for 0-sized write request, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 7/9] virtio-serial: Update copyright year to 2010, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 8/9] virtio-serial-bus: Use a bitmap in virtio config space for active ports, Amit Shah, 2010/03/19
- [Qemu-devel] [PATCH 9/9] virtio-serial-bus: Let the guest know of host connection changes after migration,
Amit Shah <=
- [Qemu-devel] Re: [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Avi Kivity, 2010/03/20
- Re: [Qemu-devel] Re: [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/03/22
- Re: [Qemu-devel] Re: [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Michael S. Tsirkin, 2010/03/23
- Re: [Qemu-devel] Re: [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/03/23
- Re: [Qemu-devel] Re: [PATCH 4/9] virtio-serial: Handle scatter-gather buffers for control messages, Michael S. Tsirkin, 2010/03/23
[Qemu-devel] Re: [PATCH 0/9] virtio-serial fixes, ABI updates, Michael S. Tsirkin, 2010/03/21