[Xen-devel] [PATCH V5 6/7] xl: add usb-assignable-list command

[Chunyan Liu <cyliu@xxxxxxxx>]

Add xl usb-assignable-list command to list assignable USB devices.
Assignable USB device means the USB device type is assignable and
it's not assigned to any guest yet.

Signed-off-by: Chunyan Liu <cyliu@xxxxxxxx>
---
  Same as "libxl: add libxl_device_usb_assignable_list API" patch,
  this patch could be sqaushed to previous one. Split because of
  some dispute. Could be squashed if acceptable, otherwise could
  be removed.

 tools/libxl/xl.h          |  1 +
 tools/libxl/xl_cmdimpl.c  | 25 +++++++++++++++++++++++++
 tools/libxl/xl_cmdtable.c |  4 ++++
 3 files changed, 30 insertions(+)

diff --git a/tools/libxl/xl.h b/tools/libxl/xl.h
index 2d57ee3..f37a99f 100644
--- a/tools/libxl/xl.h
+++ b/tools/libxl/xl.h
@@ -86,6 +86,7 @@ int main_blockdetach(int argc, char **argv);
 int main_vtpmattach(int argc, char **argv);
 int main_vtpmlist(int argc, char **argv);
 int main_vtpmdetach(int argc, char **argv);
+int main_usbassignable_list(int argc, char **argv);
 int main_usbctrl_attach(int argc, char **argv);
 int main_usbctrl_detach(int argc, char **argv);
 int main_usbattach(int argc, char **argv);
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 82a92a1..005d1c2 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -3236,6 +3236,31 @@ static void usbinfo_print(libxl_device_usb *usb)
     libxl_usbinfo_dispose(&usbinfo);
 }
 
+static void usb_assignable_list(void)
+{
+    libxl_device_usb *usbs;
+    int num, i;
+
+    usbs = libxl_device_usb_assignable_list(ctx, &num);
+
+    for (i = 0; i < num; i++)
+        usbinfo_print(&usbs[i]);
+
+    libxl_device_usb_list_free(usbs, num);
+}
+
+int main_usbassignable_list(int argc, char **argv)
+{
+    int opt;
+
+    SWITCH_FOREACH_OPT(opt, "", NULL, "usb-assignable-list", 0) {
+        /* No options */
+    }
+
+    usb_assignable_list();
+    return 0;
+}
+
 int main_usbctrl_attach(int argc, char **argv)
 {
     uint32_t domid;
diff --git a/tools/libxl/xl_cmdtable.c b/tools/libxl/xl_cmdtable.c
index 8f1c93d..d5eb8df 100644
--- a/tools/libxl/xl_cmdtable.c
+++ b/tools/libxl/xl_cmdtable.c
@@ -570,6 +570,10 @@ struct cmd_spec cmd_table[] = {
       "List information about USB devices for a domain",
       "<Domain>",
     },
+    { "usb-assignable-list",
+      &main_usbassignable_list, 0, 0,
+      "List all assignable USB devices",
+    },
 };
 
 int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);
-- 
2.1.4


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