gadget: Implement gadget rm on libsubg backend

Change-Id: I49e1f9877597fce7f290786caaa4c678eff7c024
Signed-off-by: Pawel Szewczyk <p.szewczyk@samsung.com>

diff --git a/source/gadget/src/gadget.c b/source/gadget/src/gadget.c
index b7d3fac..8078dce 100644 (file)
--- a/source/gadget/src/gadget.c
+++ b/source/gadget/src/gadget.c
@@ -192,7 +192,13 @@ out:
 
 static int gt_gadget_rm_help(void *data)
 {
-       printf("Gadget rm help.\n");
+       printf("usage: %s rm [OPTIONS] NAME \n"
+              "Remove gadget of specified name\n"
+              "\n"
+              "Options:\n"
+              "  -f, --force\tDisable gadget if it was enabled\n"
+              "  -r, --recursive\tRemove configs and functions recursively\n",
+              program_name);
        return -1;
 }
 

diff --git a/source/gadget/src/gadget_libusbg.c b/source/gadget/src/gadget_libusbg.c
index ee0e55e..c2c651c 100644 (file)
--- a/source/gadget/src/gadget_libusbg.c
+++ b/source/gadget/src/gadget_libusbg.c
@@ -75,6 +75,53 @@ err_usbg:
        return -1;
 }
 
+static int rm_func(void *data)
+{
+       struct gt_gadget_rm_data *dt;
+       int usbg_ret;
+       usbg_udc *u;
+       usbg_gadget *g;
+       int opts = 0;
+
+       dt = (struct gt_gadget_rm_data *)data;
+
+       g = usbg_get_gadget(backend_ctx.libusbg_state, dt->name);
+       if (g == NULL) {
+               fprintf(stderr, "Gadget '%s' not found\n", dt->name);
+               goto err;
+       }
+
+       u = usbg_get_gadget_udc(g);
+
+       if (u) {
+               if (!(dt->opts & GT_FORCE)) {
+                       fprintf(stderr, "Gadget is enabled, disable it first or use --force option\n");
+                       goto err;
+               }
+
+               usbg_ret = usbg_disable_gadget(g);
+               if (usbg_ret != USBG_SUCCESS) {
+                       fprintf(stderr, "Error on disable gadget: %s : %s\n",
+                               usbg_error_name(usbg_ret), usbg_strerror(usbg_ret));
+                       goto err;
+               }
+       }
+
+       if (dt->opts & GT_RECURSIVE)
+               opts |= USBG_RM_RECURSE;
+
+       usbg_ret = usbg_rm_gadget(g, opts);
+       if (usbg_ret != USBG_SUCCESS){
+               fprintf(stderr, "Error on gadget remove: %s : %s\n",
+                       usbg_error_name(usbg_ret), usbg_strerror(usbg_ret));
+               goto err;
+       }
+
+       return 0;
+err:
+       return -1;
+}
+
 static int enable_func(void *data)
 {
        struct gt_gadget_enable_data *dt;
@@ -110,7 +157,7 @@ static int enable_func(void *data)
 
 struct gt_gadget_backend gt_gadget_backend_libusbg = {
        .create = create_func,
-       .rm = NULL,
+       .rm = rm_func,
        .get = NULL,
        .set = NULL,
        .enable = enable_func,