+/*****************************************************************************\
+ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ * Copyright (C) 2007 The Regents of the University of California.
+ * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ * UCRL-CODE-235197
+ *
+ * This file is part of the SPL, Solaris Porting Layer.
+ * For details, see <http://zfsonlinux.org/>.
+ *
+ * The SPL is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The SPL 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the SPL. If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
+
#ifndef _SPL_SYSMACROS_H
#define _SPL_SYSMACROS_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#include <linux/module.h>
+#include <linux/cpumask.h>
+#include <sys/debug.h>
+#include <sys/varargs.h>
+#include <sys/zone.h>
+#include <sys/signal.h>
#ifndef _KERNEL
-#define _KERNEL __KERNEL__
+#define _KERNEL __KERNEL__
#endif
-/* Missing defines.
- */
-#define INT32_MAX INT_MAX
-#define UINT64_MAX (~0ULL)
-#define NBBY 8
-#define ENOTSUP ENOTSUPP
-#define MAXNAMELEN 256
-#define MAXPATHLEN PATH_MAX
-#define __va_list va_list
-#define max_ncpus 64
+#define FALSE 0
+#define TRUE 1
+
+#define INT8_MAX (127)
+#define INT8_MIN (-128)
+#define UINT8_MAX (255)
+#define UINT8_MIN (0)
+
+#define INT16_MAX (32767)
+#define INT16_MIN (-32768)
+#define UINT16_MAX (65535)
+#define UINT16_MIN (0)
+
+#define INT32_MAX INT_MAX
+#define INT32_MIN INT_MIN
+#define UINT32_MAX UINT_MAX
+#define UINT32_MIN UINT_MIN
+
+#define INT64_MAX LLONG_MAX
+#define INT64_MIN LLONG_MIN
+#define UINT64_MAX ULLONG_MAX
+#define UINT64_MIN ULLONG_MIN
+
+#define NBBY 8
+#define ENOTSUP EOPNOTSUPP
+
+#define MAXMSGLEN 256
+#define MAXNAMELEN 256
+#define MAXPATHLEN PATH_MAX
+#define MAXOFFSET_T LLONG_MAX
+#define MAXBSIZE 8192
+#define DEV_BSIZE 512
+#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
+
+#define proc_pageout NULL
+#define curproc current
+#define max_ncpus num_possible_cpus()
+#define CPU_SEQID smp_processor_id()
+#define _NOTE(x)
+#define is_system_labeled() 0
+
+#ifndef RLIM64_INFINITY
+#define RLIM64_INFINITY (~0ULL)
+#endif
/* 0..MAX_PRIO-1: Process priority
* 0..MAX_RT_PRIO-1: RT priority tasks
*
* Treat shim tasks as SCHED_NORMAL tasks
*/
-#define minclsyspri (MAX_RT_PRIO)
-#define maxclsyspri (MAX_PRIO-1)
+#define minclsyspri (MAX_RT_PRIO)
+#define maxclsyspri (MAX_PRIO-1)
#define NICE_TO_PRIO(nice) (MAX_RT_PRIO + (nice) + 20)
#define PRIO_TO_NICE(prio) ((prio) - MAX_RT_PRIO - 20)
-#define kred NULL
-
-#define FREAD 1
-#define FWRITE 2
-#define FCREAT O_CREAT
-#define FTRUNC O_TRUNC
-#define FOFFMAX O_LARGEFILE
-#define FSYNC O_SYNC
-#define FDSYNC O_DSYNC
-#define FRSYNC O_RSYNC
-#define FEXCL O_EXCL
-
-#define FNODSYNC 0x10000 /* fsync pseudo flag */
-#define FNOFOLLOW 0x20000 /* don't follow symlinks */
-
/* Missing macros
*/
-#define PAGESIZE PAGE_SIZE
+#define PAGESIZE PAGE_SIZE
/* from Solaris sys/byteorder.h */
-#define BSWAP_8(x) ((x) & 0xff)
-#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
-#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
-#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
+#define BSWAP_8(x) ((x) & 0xff)
+#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
+#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
+#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
/* Map some simple functions.
*/
-#define bzero(ptr,size) memset(ptr,0,size)
-#define bcopy(src,dest,size) memcpy(dest,src,size)
-#define ASSERT(x) BUG_ON(!(x))
-#define ASSERT3U(left,OP,right) BUG_ON(!((left) OP (right)))
-
-/* Missing globals
- */
-extern int p0;
+#define bzero(ptr,size) memset(ptr,0,size)
+#define bcopy(src,dest,size) memmove(dest,src,size)
+#define bcmp(src,dest,size) memcmp((src), (dest), (size_t)(size))
+
+/* Dtrace probes do not exist in the linux kernel */
+#ifdef DTRACE_PROBE
+#undef DTRACE_PROBE
+#endif /* DTRACE_PROBE */
+#define DTRACE_PROBE(a) ((void)0)
+
+#ifdef DTRACE_PROBE1
+#undef DTRACE_PROBE1
+#endif /* DTRACE_PROBE1 */
+#define DTRACE_PROBE1(a, b, c) ((void)0)
+
+#ifdef DTRACE_PROBE2
+#undef DTRACE_PROBE2
+#endif /* DTRACE_PROBE2 */
+#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
+
+#ifdef DTRACE_PROBE3
+#undef DTRACE_PROBE3
+#endif /* DTRACE_PROBE3 */
+#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
+
+#ifdef DTRACE_PROBE4
+#undef DTRACE_PROBE4
+#endif /* DTRACE_PROBE4 */
+#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
+
+/* Missing globals */
+extern char spl_version[32];
+extern unsigned long spl_hostid;
+extern char hw_serial[11];
+
+/* Missing misc functions */
+extern int highbit(unsigned long i);
+extern uint32_t zone_get_hostid(void *zone);
+extern void spl_setup(void);
+extern void spl_cleanup(void);
#define makedevice(maj,min) makedev(maj,min)
-/* XXX - Borrowed from zfs project libsolcompat/include/sys/sysmacros.h */
/* common macros */
#ifndef MIN
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
+#define MAX(a, b) ((a) < (b) ? (b) : (a))
#endif
#ifndef ABS
-#define ABS(a) ((a) < 0 ? -(a) : (a))
+#define ABS(a) ((a) < 0 ? -(a) : (a))
+#endif
+#ifndef DIV_ROUND_UP
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#endif
+#ifndef roundup
+#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
#endif
/*
* Compatibility macros/typedefs needed for Solaris -> Linux port
*/
-#define P2ALIGN(x, align) ((x) & -(align))
-#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1)
-#define P2ROUNDUP(x, align) (-(-(x) & -(align)))
-#define P2ROUNDUP_TYPED(x, align, type) \
- (-(-(type)(x) & -(type)(align)))
-#define P2PHASE(x, align) ((x) & ((align) - 1))
-#define P2NPHASE(x, align) (-(x) & ((align) - 1))
-#define P2NPHASE_TYPED(x, align, type) \
- (-(type)(x) & ((type)(align) - 1))
-#define ISP2(x) (((x) & ((x) - 1)) == 0)
-#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)
+#define P2ALIGN(x, align) ((x) & -(align))
+#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1)
+#define P2ROUNDUP(x, align) (-(-(x) & -(align)))
+#define P2PHASE(x, align) ((x) & ((align) - 1))
+#define P2NPHASE(x, align) (-(x) & ((align) - 1))
+#define ISP2(x) (((x) & ((x) - 1)) == 0)
+#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1))==0)
+#define P2BOUNDARY(off, len, align) \
+ (((off) ^ ((off) + (len) - 1)) > (align) - 1)
/*
* Typed version of the P2* macros. These macros should be used to ensure
* type of the alignment. For example, if (x) is of type uint64_t,
* and we want to round it up to a page boundary using "PAGESIZE" as
* the alignment, we can do either
+ *
* P2ROUNDUP(x, (uint64_t)PAGESIZE)
* or
* P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t)
#define offsetof(s, m) ((size_t)(&(((s *)0)->m)))
#endif
-#ifdef __cplusplus
-}
-#endif
-
#endif /* _SPL_SYSMACROS_H */
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