[Xen-devel] [RFC PATCH V3 22/22] libxl: add evtchn_extended flag

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Admins can add "evtchn_extended = 1" in domain config file to enable extended
event channel ABI for a domain.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_create.c  |    4 ++++
 tools/libxl/libxl_types.idl |    1 +
 tools/libxl/xl_cmdimpl.c    |    2 ++
 tools/libxl/xl_sxp.c        |    2 ++
 4 files changed, 9 insertions(+)

diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index fa81f88..724e038 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -35,6 +35,8 @@ int libxl__domain_create_info_setdefault(libxl__gc *gc,
         libxl_defbool_setdefault(&c_info->oos, true);
     }
 
+    libxl_defbool_setdefault(&c_info->evtchn_extended, false);
+
     libxl_defbool_setdefault(&c_info->run_hotplug_scripts, true);
 
     return 0;
@@ -391,6 +393,8 @@ int libxl__domain_make(libxl__gc *gc, 
libxl_domain_create_info *info,
         flags |= libxl_defbool_val(info->hap) ? XEN_DOMCTL_CDF_hap : 0;
         flags |= libxl_defbool_val(info->oos) ? 0 : XEN_DOMCTL_CDF_oos_off;
     }
+    flags |= libxl_defbool_val(info->evtchn_extended) ?
+             XEN_DOMCTL_CDF_evtchn_extended : 0;
     *domid = -1;
 
     /* Ultimately, handle is an array of 16 uint8_t, same as uuid */
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
index 89a8030..37a20c4 100644
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -236,6 +236,7 @@ libxl_domain_create_info = Struct("domain_create_info",[
     ("type",         libxl_domain_type),
     ("hap",          libxl_defbool),
     ("oos",          libxl_defbool),
+    ("evtchn_extended",libxl_defbool),
     ("ssidref",      uint32),
     ("name",         string),
     ("uuid",         libxl_uuid),
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 003b129..9a1dd1b 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -651,6 +651,8 @@ static void parse_config_data(const char *config_source,
 
     xlu_cfg_get_defbool(config, "oos", &c_info->oos, 0);
 
+    xlu_cfg_get_defbool(config, "evtchn_extended", &c_info->evtchn_extended, 
0);
+
     if (!xlu_cfg_get_string (config, "pool", &buf, 0)) {
         c_info->poolid = -1;
         cpupool_qualifier_to_cpupoolid(buf, &c_info->poolid, NULL);
diff --git a/tools/libxl/xl_sxp.c b/tools/libxl/xl_sxp.c
index a16a025..6d40e7a 100644
--- a/tools/libxl/xl_sxp.c
+++ b/tools/libxl/xl_sxp.c
@@ -44,6 +44,8 @@ void printf_info_sexp(int domid, libxl_domain_config 
*d_config)
     printf("\t(hvm %d)\n", c_info->type == LIBXL_DOMAIN_TYPE_HVM);
     printf("\t(hap %s)\n", libxl_defbool_to_string(c_info->hap));
     printf("\t(oos %s)\n", libxl_defbool_to_string(c_info->oos));
+    printf("\t(evtchn_extended %s)\n",
+           libxl_defbool_to_string(c_info->evtchn_extended));
     printf("\t(ssidref %d)\n", c_info->ssidref);
     printf("\t(name %s)\n", c_info->name);
 
-- 
1.7.10.4


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