From: Jagannathan Raman <jag.ra...@oracle.com>
Adds the handler to process message from QEMU,
Initialize remote process main loop, handles SYNC_SYSMEM
message by updating its "system_memory" container using
shared file descriptors received from QEMU.
Signed-off-by: John G Johnson <john.g.john...@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimts...@oracle.com>
Signed-off-by: Jagannathan Raman <jag.ra...@oracle.com>
---
remote/remote-main.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
diff --git a/remote/remote-main.c b/remote/remote-main.c
index d5304fb..b15e299 100644
--- a/remote/remote-main.c
+++ b/remote/remote-main.c
@@ -23,6 +23,8 @@
*/
#include <stdio.h>
+#include <glib.h>
+#include <unistd.h>
#include "qemu/osdep.h"
#include "qemu/module.h"
@@ -31,12 +33,108 @@
#include "hw/boards.h"
#include "hw/qdev-core.h"
#include "qemu/main-loop.h"
+#include "remote/memory.h"
+#include "io/proxy-link.h"
+#include "qapi/error.h"
+#include "qemu/main-loop.h"
+#include "sysemu/cpus.h"
+#include "qemu-common.h"
+#include "hw/pci/pci.h"
+#include "qemu/thread.h"
+#include "qemu/main-loop.h"
+#include "qemu/config-file.h"
+#include "sysemu/sysemu.h"
+#include "block/block.h"
+
+static ProxyLinkState *proxy_link;
+PCIDevice *remote_pci_dev;
+
+static void process_msg(GIOCondition cond)
+{
+ ProcMsg *msg = NULL;
+ Error *err = NULL;
+
+ if ((cond & G_IO_HUP) || (cond & G_IO_ERR)) {
+ error_setg(&err, "socket closed, cond is %d", cond);
+ goto finalize_loop;
+ }
+
+ msg = g_malloc0(sizeof(ProcMsg));
+
+ if (proxy_proc_recv(proxy_link, msg) < 0) {
+ error_setg(&err, "Failed to receive message");
+ goto finalize_loop;
+ }
+
+ switch (msg->cmd) {
+ case INIT:
+ break;
+ case CONF_WRITE:
+ break;
+ case CONF_READ:
+ break;
+ default:
+ error_setg(&err, "Unknown command");
+ goto finalize_loop;
+ }
+
+ g_free(msg);
+
+ return;
+
+finalize_loop:
+ error_report_err(err);
+ g_free(msg);
+ proxy_link_finalize(proxy_link);
+ proxy_link = NULL;
+}
+
+static void *remote_main_loop(void *data)
+{
+ while (1) {
+ qemu_mutex_lock_iothread();
+ main_loop_wait(false);
+ qemu_mutex_unlock_iothread();
+ }
+
+ return NULL;
+}
int main(int argc, char *argv[])
{
+ Error *err = NULL;
+ QemuThread main_loop_thread;
+
module_call_init(MODULE_INIT_QOM);
+ bdrv_init_with_whitelist();
+
+ if (qemu_init_main_loop(&err)) {
+ error_report_err(err);
+ return -EBUSY;
+ }
+
+ qemu_init_cpu_loop();
+
+ page_size_init();
+
current_machine = MACHINE(REMOTE_MACHINE(object_new(TYPE_REMOTE_MACHINE)));
+ proxy_link = proxy_link_create();
+ if (!proxy_link) {
+ printf("Could not create proxy link\n");
+ return -1;
+ }
+
+ proxy_link_set_sock(proxy_link, STDIN_FILENO);
+ proxy_link_set_callback(proxy_link, process_msg);
+
+ qemu_thread_create(&main_loop_thread, "remote-main-loop", remote_main_loop,
+ NULL, QEMU_THREAD_DETACHED);
+
+ start_handler(proxy_link);
+
+ qemu_thread_cancel(&main_loop_thread);
+
return 0;
}
--
1.8.3.1
