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Diffstat (limited to 'ipc/kdbus/item.h')
-rw-r--r-- | ipc/kdbus/item.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/ipc/kdbus/item.h b/ipc/kdbus/item.h deleted file mode 100644 index 3a7e6ccc2..000000000 --- a/ipc/kdbus/item.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (C) 2013-2015 Kay Sievers - * Copyright (C) 2013-2015 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - * Copyright (C) 2013-2015 Daniel Mack <daniel@zonque.org> - * Copyright (C) 2013-2015 David Herrmann <dh.herrmann@gmail.com> - * Copyright (C) 2013-2015 Linux Foundation - * Copyright (C) 2014-2015 Djalal Harouni <tixxdz@opendz.org> - * - * kdbus 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; either version 2.1 of the License, or (at - * your option) any later version. - */ - -#ifndef __KDBUS_ITEM_H -#define __KDBUS_ITEM_H - -#include <linux/kernel.h> -#include <uapi/linux/kdbus.h> - -#include "util.h" - -/* generic access and iterators over a stream of items */ -#define KDBUS_ITEM_NEXT(_i) (typeof(_i))((u8 *)(_i) + KDBUS_ALIGN8((_i)->size)) -#define KDBUS_ITEMS_SIZE(_h, _is) ((_h)->size - offsetof(typeof(*(_h)), _is)) -#define KDBUS_ITEM_HEADER_SIZE offsetof(struct kdbus_item, data) -#define KDBUS_ITEM_SIZE(_s) KDBUS_ALIGN8(KDBUS_ITEM_HEADER_SIZE + (_s)) -#define KDBUS_ITEM_PAYLOAD_SIZE(_i) ((_i)->size - KDBUS_ITEM_HEADER_SIZE) - -#define KDBUS_ITEMS_FOREACH(_i, _is, _s) \ - for ((_i) = (_is); \ - ((u8 *)(_i) < (u8 *)(_is) + (_s)) && \ - ((u8 *)(_i) >= (u8 *)(_is)); \ - (_i) = KDBUS_ITEM_NEXT(_i)) - -#define KDBUS_ITEM_VALID(_i, _is, _s) \ - ((_i)->size >= KDBUS_ITEM_HEADER_SIZE && \ - (u8 *)(_i) + (_i)->size > (u8 *)(_i) && \ - (u8 *)(_i) + (_i)->size <= (u8 *)(_is) + (_s) && \ - (u8 *)(_i) >= (u8 *)(_is)) - -#define KDBUS_ITEMS_END(_i, _is, _s) \ - ((u8 *)(_i) == ((u8 *)(_is) + KDBUS_ALIGN8(_s))) - -/** - * struct kdbus_item_header - Describes the fix part of an item - * @size: The total size of the item - * @type: The item type, one of KDBUS_ITEM_* - */ -struct kdbus_item_header { - u64 size; - u64 type; -}; - -int kdbus_item_validate_name(const struct kdbus_item *item); -int kdbus_item_validate(const struct kdbus_item *item); -int kdbus_items_validate(const struct kdbus_item *items, size_t items_size); -struct kdbus_item *kdbus_item_set(struct kdbus_item *item, u64 type, - const void *data, size_t len); - -#endif |