diff options
| author | eschrock <none@none> | 2007-12-06 13:27:42 -0800 |
|---|---|---|
| committer | eschrock <none@none> | 2007-12-06 13:27:42 -0800 |
| commit | 2c32020f848d8e5619a1f441a92f0ee4aca1b297 (patch) | |
| tree | 9642f6e009fb375825a8e1c4421f34612014aa36 /usr/src/uts/common/sys/sysmacros.h | |
| parent | 5b9eab5c5178bc05928d6b8f2a859e103da601d2 (diff) | |
| download | illumos-gate-2c32020f848d8e5619a1f441a92f0ee4aca1b297.tar.gz | |
6627006 setting cachefile to default value confuses ZFS
6635464 Unable to put zfs cachefile in root directory
6637499 bitfield declaration macros would be useful
6637506 sunoem IPMI LED command structure should be private to libipmi
Diffstat (limited to 'usr/src/uts/common/sys/sysmacros.h')
| -rw-r--r-- | usr/src/uts/common/sys/sysmacros.h | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/usr/src/uts/common/sys/sysmacros.h b/usr/src/uts/common/sys/sysmacros.h index d77208488c..001e2fba9f 100644 --- a/usr/src/uts/common/sys/sysmacros.h +++ b/usr/src/uts/common/sys/sysmacros.h @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -24,7 +23,7 @@ /* - * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -273,6 +272,46 @@ extern unsigned char bcd_to_byte[256]; #define INCR_COUNT(var, mutex) mutex_enter(mutex), (*(var))++, mutex_exit(mutex) #define DECR_COUNT(var, mutex) mutex_enter(mutex), (*(var))--, mutex_exit(mutex) +/* + * Macros to declare bitfields - the order in the parameter list is + * Low to High - that is, declare bit 0 first. We only support 8-bit bitfields + * because if a field crosses a byte boundary it's not likely to be meaningful + * without reassembly in its nonnative endianness. + */ +#if defined(_BIT_FIELDS_LTOH) +#define DECL_BITFIELD2(_a, _b) \ + uint8_t _a, _b +#define DECL_BITFIELD3(_a, _b, _c) \ + uint8_t _a, _b, _c +#define DECL_BITFIELD4(_a, _b, _c, _d) \ + uint8_t _a, _b, _c, _d +#define DECL_BITFIELD5(_a, _b, _c, _d, _e) \ + uint8_t _a, _b, _c, _d, _e +#define DECL_BITFIELD6(_a, _b, _c, _d, _e, _f) \ + uint8_t _a, _b, _c, _d, _e, _f +#define DECL_BITFIELD7(_a, _b, _c, _d, _e, _f, _g) \ + uint8_t _a, _b, _c, _d, _e, _f, _g +#define DECL_BITFIELD8(_a, _b, _c, _d, _e, _f, _g, _h) \ + uint8_t _a, _b, _c, _d, _e, _f, _g, _h +#elif defined(_BIT_FIELDS_HTOL) +#define DECL_BITFIELD2(_a, _b) \ + uint8_t _b, _a +#define DECL_BITFIELD3(_a, _b, _c) \ + uint8_t _c, _b, _a +#define DECL_BITFIELD4(_a, _b, _c, _d) \ + uint8_t _d, _c, _b, _a +#define DECL_BITFIELD5(_a, _b, _c, _d, _e) \ + uint8_t _e, _d, _c, _b, _a +#define DECL_BITFIELD6(_a, _b, _c, _d, _e, _f) \ + uint8_t _f, _e, _d, _c, _b, _a +#define DECL_BITFIELD7(_a, _b, _c, _d, _e, _f, _g) \ + uint8_t _g, _f, _e, _d, _c, _b, _a +#define DECL_BITFIELD8(_a, _b, _c, _d, _e, _f, _g, _h) \ + uint8_t _h, _g, _f, _e, _d, _c, _b, _a +#else +#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined +#endif /* _BIT_FIELDS_LTOH */ + #if defined(_KERNEL) && !defined(_KMEMUSER) && !defined(offsetof) /* avoid any possibility of clashing with <stddef.h> version */ |