[Xen-changelog] [xen-unstable] libxl: implement trigger s3resume

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
# Date 1297702143 0
# Node ID 51bd89ca047d29a4fc1ff0518dc60319914ccc49
# Parent  af84691a6cf9423a445f471af02b36b76ddf5314
libxl: implement trigger s3resume

This is the equivalent of xm trigger s3resume and it is implemented the
same way: using an ACPI state change.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Tested-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/libxl.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff -r af84691a6cf9 -r 51bd89ca047d tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Mon Feb 14 10:41:12 2011 +0000
+++ b/tools/libxl/libxl.c       Mon Feb 14 16:49:03 2011 +0000
@@ -2584,8 +2584,14 @@ int libxl_send_trigger(libxl_ctx *ctx, u
 int libxl_send_trigger(libxl_ctx *ctx, uint32_t domid, char *trigger_name, 
uint32_t vcpuid)
 {
     int rc = -1;
-    int trigger_type = trigger_type_from_string(trigger_name);
-
+    int trigger_type = -1;
+
+    if (!strcmp(trigger_name, "s3resume")) {
+        xc_set_hvm_param(ctx->xch, domid, HVM_PARAM_ACPI_S_STATE, 0);
+        return 0;
+    }
+
+    trigger_type = trigger_type_from_string(trigger_name);
     if (trigger_type == -1) {
         LIBXL__LOG_ERRNOVAL(ctx, LIBXL__LOG_ERROR, -1,
             "Invalid trigger, valid triggers are 
<nmi|reset|init|power|sleep>");

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