[PATCH 5/6] libxl: portiblity fixes

[Christoph Egger <Christoph.Egger@amd.com>]

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Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>

-- 
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

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diff -r 73082ed01e88 -r 82c7ff060fa3 tools/libxl/Makefile
--- a/tools/libxl/Makefile	Tue Jul 27 13:56:32 2010 +0200
+++ b/tools/libxl/Makefile	Tue Jul 27 13:58:00 2010 +0200
@@ -18,6 +18,8 @@
 LIBS = $(LDFLAGS_libxenctrl) $(LDFLAGS_libxenguest) $(LDFLAGS_libxenstore) $(LDFLAGS_libblktapctl) $(UTIL_LIBS)
 
 LIBXL_OBJS-y = osdeps.o libxl_paths.o libxl_bootloader.o
+LIBXL_OBJS-$(CONFIG_Linux) += libxl_linux.o
+LIBXL_OBJS-$(CONFIG_NetBSD) += libxl_netbsd.o
 LIBXL_OBJS = flexarray.o libxl.o libxl_dom.o libxl_exec.o libxl_xshelp.o libxl_device.o libxl_internal.o xenguest.o libxl_utils.o $(LIBXL_OBJS-y)
 
 AUTOINCS= libxlu_cfg_y.h libxlu_cfg_l.h
diff -r 73082ed01e88 -r 82c7ff060fa3 tools/libxl/libxl_linux.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/libxl_linux.c	Tue Jul 27 13:58:00 2010 +0200
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010      Advanced Micro Devices
+ * Author Christoph Egger <Christoph.Egger@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include "libxl.h"
+#include "libxl_osdeps.h"
+
+#include "tap-ctl.h"
+
+int libxl_blktap_enabled(struct libxl_ctx *ctx)
+{
+    const char *msg;
+    return !tap_ctl_check(&msg);
+}
+
+const char *libxl_blktap_devpath(struct libxl_ctx *ctx,
+                                 const char *disk,
+                                 libxl_disk_phystype phystype)
+{
+    const char *type;
+    char *params, *devname;
+    int minor, err;
+
+    type = device_disk_string_of_phystype(phystype);
+    minor = tap_ctl_find_minor(type, disk);
+    if (minor >= 0) {
+        devname = libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", minor);
+        if (devname)
+            return devname;
+    }
+
+    params = libxl_sprintf(ctx, "%s:%s", type, disk);
+    err = tap_ctl_create(params, &devname);
+    if (!err) {
+        libxl_ptr_add(ctx, devname);
+        return devname;
+    }
+
+    return NULL;
+}
diff -r 73082ed01e88 -r 82c7ff060fa3 tools/libxl/libxl_netbsd.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/libxl_netbsd.c	Tue Jul 27 13:58:00 2010 +0200
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010      Advanced Micro Devices
+ * Author Christoph Egger <Christoph.Egger@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include "libxl.h"
+#include "libxl_osdeps.h"
+
+int libxl_blktap_enabled(struct libxl_ctx *ctx)
+{
+    return 0;
+}
+
+const char *libxl_blktap_devpath(struct libxl_ctx *ctx,
+                                 const char *disk,
+                                 libxl_disk_phystype phystype)
+{
+    return NULL;
+}

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