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[PATCH v6 16/36] multi-process: remote process initialization
From: |
elena . ufimtseva |
Subject: |
[PATCH v6 16/36] multi-process: remote process initialization |
Date: |
Mon, 6 Apr 2020 02:41:06 -0700 |
From: Jagannathan Raman <address@hidden>
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 <address@hidden>
Signed-off-by: Elena Ufimtseva <address@hidden>
Signed-off-by: Jagannathan Raman <address@hidden>
---
remote/remote-main.c | 87 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/remote/remote-main.c b/remote/remote-main.c
index ecf30e0cba..51595f3141 100644
--- a/remote/remote-main.c
+++ b/remote/remote-main.c
@@ -12,6 +12,7 @@
#include "qemu-common.h"
#include <stdio.h>
+#include <unistd.h>
#include "qemu/module.h"
#include "remote/pcihost.h"
@@ -19,12 +20,98 @@
#include "hw/boards.h"
#include "hw/qdev-core.h"
#include "qemu/main-loop.h"
+#include "remote/memory.h"
+#include "io/mpqemu-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"
+#include "exec/ramlist.h"
+
+static MPQemuLinkState *mpqemu_link;
+
+static void process_msg(GIOCondition cond, MPQemuLinkState *link,
+ MPQemuChannel *chan)
+{
+ MPQemuMsg *msg = NULL;
+ Error *err = NULL;
+
+ if ((cond & G_IO_HUP) || (cond & G_IO_ERR)) {
+ goto finalize_loop;
+ }
+
+ msg = g_malloc0(sizeof(MPQemuMsg));
+
+ if (mpqemu_msg_recv(msg, chan) < 0) {
+ error_setg(&err, "Failed to receive message");
+ goto finalize_loop;
+ }
+
+ switch (msg->cmd) {
+ case INIT:
+ break;
+ default:
+ error_setg(&err, "Unknown command");
+ goto finalize_loop;
+ }
+
+ g_free(msg->data2);
+ g_free(msg);
+
+ return;
+
+finalize_loop:
+ if (err) {
+ error_report_err(err);
+ }
+ g_free(msg);
+ mpqemu_link_finalize(mpqemu_link);
+ mpqemu_link = NULL;
+}
int main(int argc, char *argv[])
{
+ Error *err = NULL;
+
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();
+
+ qemu_mutex_init(&ram_list.mutex);
+
current_machine = MACHINE(REMOTE_MACHINE(object_new(TYPE_REMOTE_MACHINE)));
+ mpqemu_link = mpqemu_link_create();
+ if (!mpqemu_link) {
+ printf("Could not create MPQemu link\n");
+ return -1;
+ }
+
+ mpqemu_init_channel(mpqemu_link, &mpqemu_link->com, STDIN_FILENO);
+
+ mpqemu_link_set_callback(mpqemu_link, process_msg);
+
+ qdev_machine_creation_done();
+ qemu_mutex_lock_iothread();
+ qemu_run_machine_init_done_notifiers();
+ qemu_mutex_unlock_iothread();
+
+ mpqemu_start_coms(mpqemu_link, mpqemu_link->com);
+
return 0;
}
--
2.25.GIT
- [PATCH v6 05/36] multi-process: Refactor monitor functions out of vl.c, (continued)
- [PATCH v6 05/36] multi-process: Refactor monitor functions out of vl.c, elena . ufimtseva, 2020/04/06
- [PATCH v6 01/36] memory: alloc RAM from file at offset, elena . ufimtseva, 2020/04/06
- [PATCH v6 08/36] multi-process: Add stub functions to facilate build of multi-process, elena . ufimtseva, 2020/04/06
- [PATCH v6 07/36] multi-process: add a command line option for debug file, elena . ufimtseva, 2020/04/06
- [PATCH v6 10/36] multi-process: build system for remote device process, elena . ufimtseva, 2020/04/06
- [PATCH v6 12/36] multi-process: add functions to synchronize proxy and remote endpoints, elena . ufimtseva, 2020/04/06
- [PATCH v6 15/36] multi-process: setup memory manager for remote device, elena . ufimtseva, 2020/04/06
- [PATCH v6 17/36] multi-process: introduce proxy object, elena . ufimtseva, 2020/04/06
- [PATCH v6 16/36] multi-process: remote process initialization,
elena . ufimtseva <=
- [PATCH v6 14/36] multi-process: setup a machine object for remote device process, elena . ufimtseva, 2020/04/06
- [PATCH v6 21/36] multi-process: PCI BAR read/write handling for proxy & remote endpoints, elena . ufimtseva, 2020/04/06
- [PATCH v6 18/36] multi-process: Initialize Proxy Object's communication channel, elena . ufimtseva, 2020/04/06
- [PATCH v6 13/36] multi-process: setup PCI host bridge for remote device, elena . ufimtseva, 2020/04/06
- [PATCH v6 19/36] multi-process: Connect Proxy Object with device in the remote process, elena . ufimtseva, 2020/04/06
- [PATCH v6 22/36] multi-process: Synchronize remote memory, elena . ufimtseva, 2020/04/06
- [PATCH v6 26/36] multi-process: add parse_cmdline in remote process, elena . ufimtseva, 2020/04/06