[Xen-devel] [PATCH v2] libxl: introduce LIBXL_DOMAIN_TYPE_INVALID

[Dario Faggioli <raistlin@xxxxxxxx>]

To avoid recent gcc complaining about:
libxl.c: In function âlibxl_primary_console_execâ:
libxl.c:1233:9: error: case value â4294967295â not in enumerated type 
âlibxl_domain_typeâ [-Werror=switch]

Adjust code pieces where -Wswitch makes it claim that
LIBXL_DOMAIN_TYPE_INVALID is not handled.

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1230,7 +1230,7 @@ int libxl_primary_console_exec(libxl_ctx
         case LIBXL_DOMAIN_TYPE_PV:
             rc = libxl_console_exec(ctx, domid_vm, 0, LIBXL_CONSOLE_TYPE_PV);
             break;
-        case -1:
+        case LIBXL_DOMAIN_TYPE_INVALID:
             LOG(ERROR,"unable to get domain type for domid=%"PRIu32,domid_vm);
             rc = ERROR_FAIL;
             break;
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -257,6 +257,8 @@ static char ** libxl__build_device_model
         for (i = 0; b_info->extra_hvm && b_info->extra_hvm[i] != NULL; i++)
             flexarray_append(dm_args, b_info->extra_hvm[i]);
         break;
+    case LIBXL_DOMAIN_TYPE_INVALID:
+        break;
     }
     flexarray_append(dm_args, NULL);
     return (char **) flexarray_contents(dm_args);
@@ -505,6 +507,8 @@ static char ** libxl__build_device_model
         for (i = 0; b_info->extra_hvm && b_info->extra_hvm[i] != NULL; i++)
             flexarray_append(dm_args, b_info->extra_hvm[i]);
         break;
+    case LIBXL_DOMAIN_TYPE_INVALID:
+        break;
     }
 
     ram_size = libxl__sizekb_to_mb(b_info->max_memkb - b_info->video_memkb);
diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -33,9 +33,9 @@ libxl_domain_type libxl__domain_type(lib
 
     ret = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
     if (ret != 1)
-        return -1;
+        return LIBXL_DOMAIN_TYPE_INVALID;
     if (info.domain != domid)
-        return -1;
+        return LIBXL_DOMAIN_TYPE_INVALID;
     if (info.flags & XEN_DOMINF_hvm_guest)
         return LIBXL_DOMAIN_TYPE_HVM;
     else
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -30,6 +30,7 @@ MemKB = UInt(64, init_val = "LIBXL_MEMKB
 #
 
 libxl_domain_type = Enumeration("domain_type", [
+    (-1, "INVALID"),
     (1, "HVM"),
     (2, "PV"),
     ])
@@ -315,6 +316,7 @@ libxl_domain_build_info = Struct("domain
                                       # Use host's E820 for PCI passthrough.
                                       ("e820_host", libxl_defbool),
                                       ])),
+                 ("invalid", Struct(None, [])),
                  ], keyvar_init_val = "-1")),
     ], dir=DIR_IN
 )
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