48b06f50d8
Initializes the message handler function in the remote process. It is called whenever there's an event pending on QIOChannel that registers this function. Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 99d38d8b93753a6409ac2340e858858cda59ab1b.1611938319.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* Copyright © 2020, 2021 Oracle and/or its affiliates.
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*
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* This work is licensed under the terms of the GNU GPL-v2, version 2 or later.
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*
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "hw/remote/machine.h"
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#include "io/channel.h"
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#include "hw/remote/mpqemu-link.h"
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#include "qapi/error.h"
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#include "sysemu/runstate.h"
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void coroutine_fn mpqemu_remote_msg_loop_co(void *data)
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{
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g_autofree RemoteCommDev *com = (RemoteCommDev *)data;
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PCIDevice *pci_dev = NULL;
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Error *local_err = NULL;
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assert(com->ioc);
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pci_dev = com->dev;
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for (; !local_err;) {
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MPQemuMsg msg = {0};
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if (!mpqemu_msg_recv(&msg, com->ioc, &local_err)) {
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break;
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}
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if (!mpqemu_msg_valid(&msg)) {
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error_setg(&local_err, "Received invalid message from proxy"
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"in remote process pid="FMT_pid"",
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getpid());
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break;
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}
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switch (msg.cmd) {
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default:
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error_setg(&local_err,
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"Unknown command (%d) received for device %s"
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" (pid="FMT_pid")",
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msg.cmd, DEVICE(pci_dev)->id, getpid());
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}
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}
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if (local_err) {
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error_report_err(local_err);
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qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_ERROR);
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} else {
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qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
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}
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}
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