[Xen-devel] [PATCH 22 of 29 RFC] libxl: add libxl__parse_disk_hotplug_path

[Roger Pau Monne <roger.pau@xxxxxxxxxxxxx>]

# HG changeset patch
# User Roger Pau Monne <roger.pau@xxxxxxxxxxxxx>
# Date 1328179164 -3600
# Node ID 478459fa6bfce280bf31e1d971c5f2b39eee6986
# Parent  346d86654b1dd81b5aba821bf9732844bb35c7a3
libxl: add libxl__parse_disk_hotplug_path

Create a libxl_device_disk from hotplug xenstore information.

Signed-off-by: Roger Pau Monne <roger.pau@xxxxxxxxxxxxx>

diff -r 346d86654b1d -r 478459fa6bfc tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c        Thu Feb 02 11:36:34 2012 +0100
+++ b/tools/libxl/libxl_device.c        Thu Feb 02 11:39:24 2012 +0100
@@ -84,6 +84,45 @@ int libxl__parse_hotplug_path(libxl__gc 
     return libxl__device_kind_from_string(strkind, &dev->backend_kind);
 }
 
+int libxl__parse_disk_hotplug_path(libxl__gc *gc,
+                                   const char *path,
+                                   libxl_device_disk *disk)
+{
+    char *value;
+
+    disk->pdev_path = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s",
+                                                                  path, 
+                                                                  
"pdev_path"));
+
+    disk->vdev = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s", path,
+                                                                 "vdev"));
+
+    disk->script = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s",
+                                                                   path,
+                                                                   "script"));
+    value = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s", path,
+                                                            "removable"));
+    if (value)
+        disk->removable = atoi(value);
+
+    value = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s", path,
+                                                            "readwrite"));
+    if (value)
+        disk->readwrite = atoi(value);
+
+    value = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s", path,
+                                                            "is_cdrom"));
+    if (value)
+        disk->is_cdrom = atoi(value);
+
+    value = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/%s", path,
+                                                            "format"));
+    if (value)
+        disk->format = atoi(value);
+
+    return 0;
+}
+
 int libxl__device_generic_add(libxl__gc *gc, libxl__device *device,
                              char **bents, char **fents)
 {
diff -r 346d86654b1d -r 478459fa6bfc tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h      Thu Feb 02 11:36:34 2012 +0100
+++ b/tools/libxl/libxl_internal.h      Thu Feb 02 11:39:24 2012 +0100
@@ -310,6 +310,9 @@ typedef struct {
 _hidden int libxl__parse_hotplug_path(libxl__gc *gc,
                                       const char *path,
                                       libxl__device *dev);
+_hidden int libxl__parse_disk_hotplug_path(libxl__gc *gc,
+                                           const char *path,
+                                           libxl_device_disk *disk);
 _hidden int libxl__device_remove(libxl__gc *gc, libxl__device *dev);
 _hidden int libxl__device_destroy(libxl__gc *gc, libxl__device *dev);
 _hidden int libxl__devices_destroy(libxl__gc *gc, uint32_t domid);

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