31 	.dp = {
53 struct efi_device_path *efi_dp_next(const struct efi_device_path *dp)  in efi_dp_next()  argument
55 	if (dp == NULL)  in efi_dp_next()
57 	if (dp->type == DEVICE_PATH_TYPE_END)  in efi_dp_next()
59 	dp = ((void *)dp) + dp->length;  in efi_dp_next()
60 	if (dp->type == DEVICE_PATH_TYPE_END)  in efi_dp_next()
62 	return (struct efi_device_path *)dp;  in efi_dp_next()
105 static struct efi_device_path *shorten_path(struct efi_device_path *dp)  in shorten_path()  argument
107 	while (dp) {  in shorten_path()
113 		if (EFI_DP_TYPE(dp, MESSAGING_DEVICE, MSG_USB_CLASS) ||  in shorten_path()
114 		    EFI_DP_TYPE(dp, MEDIA_DEVICE, HARD_DRIVE_PATH) ||  in shorten_path()
115 		    EFI_DP_TYPE(dp, MEDIA_DEVICE, FILE_PATH))  in shorten_path()
116 			return dp;  in shorten_path()
118 		dp = efi_dp_next(dp);  in shorten_path()
121 	return dp;  in shorten_path()
124 static struct efi_object *find_obj(struct efi_device_path *dp, bool short_path,  in find_obj()  argument
145 				if (efi_dp_match(dp, obj_dp) == 0) {  in find_obj()
147 						*rem = ((void *)dp) +  in find_obj()
166 struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,  in efi_dp_find_obj()  argument
171 	efiobj = find_obj(dp, false, rem);  in efi_dp_find_obj()
174 		efiobj = find_obj(dp, true, rem);  in efi_dp_find_obj()
180 unsigned efi_dp_size(const struct efi_device_path *dp)  in efi_dp_size()  argument
184 	while (dp) {  in efi_dp_size()
185 		sz += dp->length;  in efi_dp_size()
186 		dp = efi_dp_next(dp);  in efi_dp_size()
192 struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp)  in efi_dp_dup()  argument
195 	unsigned sz = efi_dp_size(dp) + sizeof(END);  in efi_dp_dup()
197 	if (!dp)  in efi_dp_dup()
201 	memcpy(ndp, dp, sz);  in efi_dp_dup()
229 struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,  in efi_dp_append_node()  argument
234 	if (!node && !dp) {  in efi_dp_append_node()
237 		ret = efi_dp_dup(dp);  in efi_dp_append_node()
238 	} else if (!dp) {  in efi_dp_append_node()
246 		unsigned sz = efi_dp_size(dp);  in efi_dp_append_node()
248 		memcpy(p, dp, sz);  in efi_dp_append_node()
304 		sddp->dp.type     = DEVICE_PATH_TYPE_MESSAGING_DEVICE;  in dp_fill()
305 		sddp->dp.sub_type = (desc->if_type == IF_TYPE_MMC) ?  in dp_fill()
308 		sddp->dp.length   = sizeof(*sddp);  in dp_fill()
321 		udp->dp.type     = DEVICE_PATH_TYPE_MESSAGING_DEVICE;  in dp_fill()
322 		udp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS;  in dp_fill()
323 		udp->dp.length   = sizeof(*udp);  in dp_fill()
393 	udp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;  in dp_part_fill()
394 	udp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_USB;  in dp_part_fill()
395 	udp->dp.length = sizeof(*udp);  in dp_part_fill()
410 		cddp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;  in dp_part_fill()
411 		cddp->dp.sub_type = DEVICE_PATH_SUB_TYPE_CDROM_PATH;  in dp_part_fill()
412 		cddp->dp.length = sizeof(*cddp);  in dp_part_fill()
420 		hddp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;  in dp_part_fill()
421 		hddp->dp.sub_type = DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH;  in dp_part_fill()
422 		hddp->dp.length = sizeof(*hddp);  in dp_part_fill()
492 	fp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;  in efi_dp_from_file()
493 	fp->dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH;  in efi_dp_from_file()
494 	fp->dp.length = fpsize;  in efi_dp_from_file()
529 	ndp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;  in efi_dp_from_eth()
530 	ndp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR;  in efi_dp_from_eth()
531 	ndp->dp.length = sizeof(*ndp);  in efi_dp_from_eth()
549 	struct efi_device_path *p, *dp, *fp;  in efi_dp_split_file_path()  local
551 	dp = efi_dp_dup(full_path);  in efi_dp_split_file_path()
552 	p = dp;  in efi_dp_split_file_path()
561 	*device_path = dp;  in efi_dp_split_file_path()