qemu-e2k/hw/remote/message.c

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/*
* Copyright © 2020, 2021 Oracle and/or its affiliates.
*
* This work is licensed under the terms of the GNU GPL-v2, version 2 or later.
*
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "hw/remote/machine.h"
#include "io/channel.h"
#include "hw/remote/mpqemu-link.h"
#include "qapi/error.h"
#include "sysemu/runstate.h"
void coroutine_fn mpqemu_remote_msg_loop_co(void *data)
{
g_autofree RemoteCommDev *com = (RemoteCommDev *)data;
PCIDevice *pci_dev = NULL;
Error *local_err = NULL;
assert(com->ioc);
pci_dev = com->dev;
for (; !local_err;) {
MPQemuMsg msg = {0};
if (!mpqemu_msg_recv(&msg, com->ioc, &local_err)) {
break;
}
if (!mpqemu_msg_valid(&msg)) {
error_setg(&local_err, "Received invalid message from proxy"
"in remote process pid="FMT_pid"",
getpid());
break;
}
switch (msg.cmd) {
default:
error_setg(&local_err,
"Unknown command (%d) received for device %s"
" (pid="FMT_pid")",
msg.cmd, DEVICE(pci_dev)->id, getpid());
}
}
if (local_err) {
error_report_err(local_err);
qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_ERROR);
} else {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
}
}