Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Andrzej Pietrasiewicz | 493 | 98.80% | 3 | 60.00% |
Sebastian Andrzej Siewior | 5 | 1.00% | 1 | 20.00% |
Greg Kroah-Hartman | 1 | 0.20% | 1 | 20.00% |
Total | 499 | 5 |
// SPDX-License-Identifier: GPL-2.0 /* * u_os_desc.h * * Utility definitions for "OS Descriptors" support * * Copyright (c) 2014 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> */ #ifndef __U_OS_DESC_H__ #define __U_OS_DESC_H__ #include <asm/unaligned.h> #include <linux/nls.h> #define USB_EXT_PROP_DW_SIZE 0 #define USB_EXT_PROP_DW_PROPERTY_DATA_TYPE 4 #define USB_EXT_PROP_W_PROPERTY_NAME_LENGTH 8 #define USB_EXT_PROP_B_PROPERTY_NAME 10 #define USB_EXT_PROP_DW_PROPERTY_DATA_LENGTH 10 #define USB_EXT_PROP_B_PROPERTY_DATA 14 #define USB_EXT_PROP_RESERVED 0 #define USB_EXT_PROP_UNICODE 1 #define USB_EXT_PROP_UNICODE_ENV 2 #define USB_EXT_PROP_BINARY 3 #define USB_EXT_PROP_LE32 4 #define USB_EXT_PROP_BE32 5 #define USB_EXT_PROP_UNICODE_LINK 6 #define USB_EXT_PROP_UNICODE_MULTI 7 static inline u8 *__usb_ext_prop_ptr(u8 *buf, size_t offset) { return buf + offset; } static inline u8 *usb_ext_prop_size_ptr(u8 *buf) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_DW_SIZE); } static inline u8 *usb_ext_prop_type_ptr(u8 *buf) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_DW_PROPERTY_DATA_TYPE); } static inline u8 *usb_ext_prop_name_len_ptr(u8 *buf) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_W_PROPERTY_NAME_LENGTH); } static inline u8 *usb_ext_prop_name_ptr(u8 *buf) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_B_PROPERTY_NAME); } static inline u8 *usb_ext_prop_data_len_ptr(u8 *buf, size_t off) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_DW_PROPERTY_DATA_LENGTH + off); } static inline u8 *usb_ext_prop_data_ptr(u8 *buf, size_t off) { return __usb_ext_prop_ptr(buf, USB_EXT_PROP_B_PROPERTY_DATA + off); } static inline void usb_ext_prop_put_size(u8 *buf, int dw_size) { put_unaligned_le32(dw_size, usb_ext_prop_size_ptr(buf)); } static inline void usb_ext_prop_put_type(u8 *buf, int type) { put_unaligned_le32(type, usb_ext_prop_type_ptr(buf)); } static inline int usb_ext_prop_put_name(u8 *buf, const char *name, int pnl) { int result; put_unaligned_le16(pnl, usb_ext_prop_name_len_ptr(buf)); result = utf8s_to_utf16s(name, strlen(name), UTF16_LITTLE_ENDIAN, (wchar_t *) usb_ext_prop_name_ptr(buf), pnl - 2); if (result < 0) return result; put_unaligned_le16(0, &buf[USB_EXT_PROP_B_PROPERTY_NAME + pnl - 2]); return pnl; } static inline void usb_ext_prop_put_binary(u8 *buf, int pnl, const u8 *data, int data_len) { put_unaligned_le32(data_len, usb_ext_prop_data_len_ptr(buf, pnl)); memcpy(usb_ext_prop_data_ptr(buf, pnl), data, data_len); } static inline int usb_ext_prop_put_unicode(u8 *buf, int pnl, const char *string, int data_len) { int result; put_unaligned_le32(data_len, usb_ext_prop_data_len_ptr(buf, pnl)); result = utf8s_to_utf16s(string, data_len >> 1, UTF16_LITTLE_ENDIAN, (wchar_t *) usb_ext_prop_data_ptr(buf, pnl), data_len - 2); if (result < 0) return result; put_unaligned_le16(0, &buf[USB_EXT_PROP_B_PROPERTY_DATA + pnl + data_len - 2]); return data_len; } #endif /* __U_OS_DESC_H__ */
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