Fix checkpointing - add save/restore support to the xenbus driver.

- Add xenbus driver suspend/resume functions
- Change xenbus irq to not be shared
- Translate store mfn in suspend record to pfn and back
- Make tools re-introduce the domain to the store
Signed-off-by: Rusty Russel <rusty@rustcorp.com.au>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

1 files changed, 12 insertions, 4 deletions

diff --git a/tools/xcutils/xc_restore.c b/tools/xcutils/xc_restore.c
index ebba6d698f..2eec44c40c 100644
--- a/tools/xcutils/xc_restore.c
+++ b/tools/xcutils/xc_restore.c
@@ -16,15 +16,23 @@
 int
 main(int argc, char **argv)
 {
-    unsigned int xc_fd, io_fd, domid, nr_pfns;
+    unsigned int xc_fd, io_fd, domid, nr_pfns, evtchn;
+    int ret;
+    unsigned long mfn;
 
-    if (argc != 5)
-	errx(1, "usage: %s xcfd iofd domid nr_pfns", argv[0]);
+    if (argc != 6)
+	errx(1, "usage: %s xcfd iofd domid nr_pfns evtchn", argv[0]);
 
     xc_fd = atoi(argv[1]);
     io_fd = atoi(argv[2]);
     domid = atoi(argv[3]);
     nr_pfns = atoi(argv[4]);
+    evtchn = atoi(argv[5]);
 
-    return xc_linux_restore(xc_fd, io_fd, domid, nr_pfns);
+    ret = xc_linux_restore(xc_fd, io_fd, domid, nr_pfns, evtchn, &mfn);
+    if (ret == 0) {
+	printf("store-mfn %li\n", mfn);
+	fflush(stdout);
+    }
+    return ret;
 }