From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtRkG-0007LZ-Ms for barebox@lists.infradead.org; Tue, 12 Feb 2019 06:40:45 +0000 Received: by mail-pl1-x644.google.com with SMTP id p4so808936plq.11 for ; Mon, 11 Feb 2019 22:40:40 -0800 (PST) From: Andrey Smirnov Date: Mon, 11 Feb 2019 22:40:20 -0800 Message-Id: <20190212064022.26154-7-andrew.smirnov@gmail.com> In-Reply-To: <20190212064022.26154-1-andrew.smirnov@gmail.com> References: <20190212064022.26154-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 6/8] include: Import uuid.h for Linux To: barebox@lists.infradead.org Cc: Andrey Smirnov Import uuid.h for Linux as a requirement for NVMe subsystem. Signed-off-by: Andrey Smirnov --- include/linux/uuid.h | 96 +++++++++++++++++++++++++++++++++++++++ include/uapi/linux/uuid.h | 42 +++++++++++++++++ 2 files changed, 138 insertions(+) create mode 100644 include/linux/uuid.h create mode 100644 include/uapi/linux/uuid.h diff --git a/include/linux/uuid.h b/include/linux/uuid.h new file mode 100644 index 000000000..d9c4a6cce --- /dev/null +++ b/include/linux/uuid.h @@ -0,0 +1,96 @@ +/* + * UUID/GUID definition + * + * Copyright (C) 2010, 2016 Intel Corp. + * Huang Ying + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef _LINUX_UUID_H_ +#define _LINUX_UUID_H_ + +#include +#include + +#define UUID_SIZE 16 + +typedef struct { + __u8 b[UUID_SIZE]; +} uuid_t; + +#define UUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ +((uuid_t) \ +{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \ + ((b) >> 8) & 0xff, (b) & 0xff, \ + ((c) >> 8) & 0xff, (c) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + +/* + * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee") + * not including trailing NUL. + */ +#define UUID_STRING_LEN 36 + +extern const guid_t guid_null; +extern const uuid_t uuid_null; + +static inline bool guid_equal(const guid_t *u1, const guid_t *u2) +{ + return memcmp(u1, u2, sizeof(guid_t)) == 0; +} + +static inline void guid_copy(guid_t *dst, const guid_t *src) +{ + memcpy(dst, src, sizeof(guid_t)); +} + +static inline bool guid_is_null(const guid_t *guid) +{ + return guid_equal(guid, &guid_null); +} + +static inline bool uuid_equal(const uuid_t *u1, const uuid_t *u2) +{ + return memcmp(u1, u2, sizeof(uuid_t)) == 0; +} + +static inline void uuid_copy(uuid_t *dst, const uuid_t *src) +{ + memcpy(dst, src, sizeof(uuid_t)); +} + +static inline bool uuid_is_null(const uuid_t *uuid) +{ + return uuid_equal(uuid, &uuid_null); +} + +void generate_random_uuid(unsigned char uuid[16]); + +extern void guid_gen(guid_t *u); +extern void uuid_gen(uuid_t *u); + +bool __must_check uuid_is_valid(const char *uuid); + +extern const u8 guid_index[16]; +extern const u8 uuid_index[16]; + +int guid_parse(const char *uuid, guid_t *u); +int uuid_parse(const char *uuid, uuid_t *u); + +/* backwards compatibility, don't use in new code */ +#define uuid_le_gen(u) guid_gen(u) +#define uuid_le_to_bin(guid, u) guid_parse(guid, u) + +static inline int uuid_le_cmp(const guid_t u1, const guid_t u2) +{ + return memcmp(&u1, &u2, sizeof(guid_t)); +} + +#endif diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/uuid.h new file mode 100644 index 000000000..e5a7eecef --- /dev/null +++ b/include/uapi/linux/uuid.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * UUID/GUID definition + * + * Copyright (C) 2010, Intel Corp. + * Huang Ying + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation; + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _UAPI_LINUX_UUID_H_ +#define _UAPI_LINUX_UUID_H_ + +#include + +typedef struct { + __u8 b[16]; +} guid_t; + +#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ +((guid_t) \ +{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + +/* backwards compatibility, don't use in new code */ +typedef guid_t uuid_le; +#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ + GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) +#define NULL_UUID_LE \ + UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00) + +#endif /* _UAPI_LINUX_UUID_H_ */ -- 2.20.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox