[Xen-changelog] [xen-unstable] libxenlight: domain resume

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1259910666 0
# Node ID 10729bee8f8a1ae2a64ab49726b44742ceafac57
# Parent  27e02e517be5cfd249ba9693cae43fa18e9d7ff1
libxenlight: domain resume

Added libxenlight implementation for resume domain.
This brings back a cooperative pv domain from the
shutdown state after save, enabling checkpointing.

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
---
 tools/libxl/libxl.c |   22 ++++++++++++++++++++++
 tools/libxl/libxl.h |    1 +
 2 files changed, 23 insertions(+)

diff -r 27e02e517be5 -r 10729bee8f8a tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Fri Dec 04 07:10:22 2009 +0000
+++ b/tools/libxl/libxl.c       Fri Dec 04 07:11:06 2009 +0000
@@ -261,6 +261,28 @@ int libxl_domain_restore(struct libxl_ct
     else
         dm_info->saved_state = NULL;
 
+    return 0;
+}
+
+int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid)
+{
+    if (is_hvm(ctx, domid)) {
+        XL_LOG(ctx, XL_LOG_DEBUG, "Called domain_resume on "
+                "non-cooperative hvm domain %u", domid);
+        return ERROR_NI;
+    }
+    if (xc_domain_resume(ctx->xch, domid, 1)) {
+        XL_LOG_ERRNO(ctx, XL_LOG_ERROR, 
+                        "xc_domain_resume failed for domain %u", 
+                        domid);
+        return ERROR_FAIL;
+    }
+    if (!xs_resume_domain(ctx->xsh, domid)) {
+        XL_LOG_ERRNO(ctx, XL_LOG_ERROR, 
+                        "xs_resume_domain failed for domain %u", 
+                        domid);
+        return ERROR_FAIL;
+    }
     return 0;
 }
 
diff -r 27e02e517be5 -r 10729bee8f8a tools/libxl/libxl.h
--- a/tools/libxl/libxl.h       Fri Dec 04 07:10:22 2009 +0000
+++ b/tools/libxl/libxl.h       Fri Dec 04 07:11:06 2009 +0000
@@ -262,6 +262,7 @@ int libxl_domain_restore(struct libxl_ct
                          libxl_device_model_info *dm_info);
 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info 
*info,
                           uint32_t domid, int fd);
+int libxl_domain_resume(struct libxl_ctx *ctx, uint32_t domid);
 int libxl_domain_shutdown(struct libxl_ctx *ctx, uint32_t domid, int req);
 int libxl_domain_destroy(struct libxl_ctx *ctx, uint32_t domid, int force);
 

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