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uuid: Decouple guid_t and uuid_le types and respective macros
The guid_t type and respective macros are being used internally only. The uuid_le has its user outside the kernel. Decouple these types and macros, and make guid_t completely internal type to the kernel. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230124133838.22645-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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3 changed files with 21 additions and 13 deletions
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@ -10566,6 +10566,7 @@ F: drivers/watchdog/mei_wdt.c
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F: include/linux/mei_aux.h
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F: include/linux/mei_cl_bus.h
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F: include/uapi/linux/mei.h
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F: include/uapi/linux/uuid.h
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F: samples/mei/*
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INTEL MAX 10 BMC MFD DRIVER
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@ -21829,7 +21830,6 @@ L: linux-kernel@vger.kernel.org
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S: Maintained
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T: git git://git.infradead.org/users/hch/uuid.git
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F: include/linux/uuid.h
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F: include/uapi/linux/uuid.h
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F: lib/test_uuid.c
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F: lib/uuid.c
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@ -8,15 +8,25 @@
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#ifndef _LINUX_UUID_H_
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#define _LINUX_UUID_H_
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#include <uapi/linux/uuid.h>
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#include <linux/string.h>
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#define UUID_SIZE 16
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typedef struct {
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__u8 b[UUID_SIZE];
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} guid_t;
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typedef struct {
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__u8 b[UUID_SIZE];
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} uuid_t;
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#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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((guid_t) \
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{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
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(b) & 0xff, ((b) >> 8) & 0xff, \
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(c) & 0xff, ((c) >> 8) & 0xff, \
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(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
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#define UUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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((uuid_t) \
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{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
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@ -97,10 +107,12 @@ extern const u8 uuid_index[16];
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int guid_parse(const char *uuid, guid_t *u);
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int uuid_parse(const char *uuid, uuid_t *u);
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/* backwards compatibility, don't use in new code */
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static inline int uuid_le_cmp(const guid_t u1, const guid_t u2)
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/* MEI UUID type, don't use anywhere else */
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#include <uapi/linux/uuid.h>
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static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
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{
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return memcmp(&u1, &u2, sizeof(guid_t));
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return memcmp(&u1, &u2, sizeof(uuid_le));
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}
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#endif
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@ -1,7 +1,7 @@
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* DO NOT USE in new code! This is solely for MEI due to legacy reasons */
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/*
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* UUID/GUID definition
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* MEI UUID definition
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*
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* Copyright (C) 2010, Intel Corp.
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* Huang Ying <ying.huang@intel.com>
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@ -14,19 +14,15 @@
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typedef struct {
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__u8 b[16];
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} guid_t;
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} uuid_le;
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#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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((guid_t) \
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#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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((uuid_le) \
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{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
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(b) & 0xff, ((b) >> 8) & 0xff, \
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(c) & 0xff, ((c) >> 8) & 0xff, \
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(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
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/* backwards compatibility, don't use in new code */
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typedef guid_t uuid_le;
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#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
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GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
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#define NULL_UUID_LE \
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UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00)
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