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[Xen-changelog] [xen-unstable] libxl: switch device model selection over to libxl_defbool



# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1330604775 0
# Node ID 8e0512bc1b474709ed3cc8961f3d17590f7f8d8d
# Parent  f7be24bb62dbb7acef843f95cddd68988953f18f
libxl: switch device model selection over to libxl_defbool

This allows it to be set via the _init/_setdefault methods.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
[since last v -- ERROR_INVAL on stubdomains + !traditional qemu]
---


diff -r f7be24bb62db -r 8e0512bc1b47 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Thu Mar 01 12:26:15 2012 +0000
+++ b/tools/libxl/libxl.c       Thu Mar 01 12:26:15 2012 +0000
@@ -2714,7 +2714,7 @@
     switch (b_info->type) {
     case LIBXL_DOMAIN_TYPE_HVM:
         *need_memkb += b_info->shadow_memkb + LIBXL_HVM_EXTRA_MEMORY;
-        if (b_info->device_model_stubdomain)
+        if (libxl_defbool_val(b_info->device_model_stubdomain))
             *need_memkb += 32 * 1024;
         break;
     case LIBXL_DOMAIN_TYPE_PV:
diff -r f7be24bb62db -r 8e0512bc1b47 tools/libxl/libxl_create.c
--- a/tools/libxl/libxl_create.c        Thu Mar 01 12:26:15 2012 +0000
+++ b/tools/libxl/libxl_create.c        Thu Mar 01 12:26:15 2012 +0000
@@ -80,9 +80,6 @@
     b_info->shadow_memkb = LIBXL_MEMKB_DEFAULT;
     b_info->video_memkb =  LIBXL_MEMKB_DEFAULT;
 
-    b_info->device_model_stubdomain = false;
-    b_info->device_model = NULL;
-
     switch (b_info->type) {
     case LIBXL_DOMAIN_TYPE_HVM:
         b_info->u.hvm.timer_mode = LIBXL_TIMER_MODE_DEFAULT;
@@ -122,6 +119,17 @@
     default:abort();
     }
 
+    libxl_defbool_setdefault(&b_info->device_model_stubdomain, false);
+
+    if (b_info->type == LIBXL_DOMAIN_TYPE_HVM &&
+        b_info->device_model_version !=
+            LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL &&
+        libxl_defbool_val(b_info->device_model_stubdomain)) {
+        LIBXL__LOG(CTX, XTL_ERROR,
+            "device model stubdomains require \"qemu-xen-traditional\"");
+        return ERROR_INVAL;
+    }
+
     if (!b_info->max_vcpus)
         b_info->max_vcpus = 1;
     if (!b_info->cur_vcpus)
diff -r f7be24bb62db -r 8e0512bc1b47 tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c    Thu Mar 01 12:26:15 2012 +0000
+++ b/tools/libxl/libxl_dm.c    Thu Mar 01 12:26:15 2012 +0000
@@ -39,7 +39,7 @@
     libxl_ctx *ctx = libxl__gc_owner(gc);
     const char *dm;
 
-    if (info->device_model_stubdomain)
+    if (libxl_defbool_val(info->device_model_stubdomain))
         return NULL;
 
     if (info->device_model) {
@@ -899,7 +899,7 @@
     char **pass_stuff;
     const char *dm;
 
-    if (b_info->device_model_stubdomain) {
+    if (libxl_defbool_val(b_info->device_model_stubdomain)) {
         rc = libxl__create_stubdom(gc, domid, guest_config, state, starting_r);
         goto out;
     }
diff -r f7be24bb62db -r 8e0512bc1b47 tools/libxl/libxl_types.idl
--- a/tools/libxl/libxl_types.idl       Thu Mar 01 12:26:15 2012 +0000
+++ b/tools/libxl/libxl_types.idl       Thu Mar 01 12:26:15 2012 +0000
@@ -240,8 +240,8 @@
     ("type",            libxl_domain_type),
     
     ("device_model_version", libxl_device_model_version),
-    ("device_model_stubdomain", bool),
-    # you set device_model you must set device_model_version too
+    ("device_model_stubdomain", libxl_defbool),
+    # if you set device_model you must set device_model_version too
     ("device_model",     string),
     ("device_model_ssidref", uint32),
 
diff -r f7be24bb62db -r 8e0512bc1b47 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Thu Mar 01 12:26:15 2012 +0000
+++ b/tools/libxl/xl_cmdimpl.c  Thu Mar 01 12:26:15 2012 +0000
@@ -1125,8 +1125,8 @@
         }
     } else if (b_info->device_model)
         fprintf(stderr, "WARNING: device model override given without specific 
DM version\n");
-    if (!xlu_cfg_get_long (config, "device_model_stubdomain_override", &l, 0))
-        b_info->device_model_stubdomain = l;
+    xlu_cfg_get_defbool (config, "device_model_stubdomain_override",
+                         &b_info->device_model_stubdomain, 0);
 
     if (!xlu_cfg_get_string (config, "device_model_stubdomain_seclabel",
                              &buf, 0)) {

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