-#ifndef _SPL_SYSMACROS_H
-#define _SPL_SYSMACROS_H
+/*
+ * 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/>.
+ */
-#ifdef __cplusplus
-extern "C" {
-#endif
+#ifndef _SPL_SYSMACROS_H
+#define _SPL_SYSMACROS_H
#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/cpumask.h>
+#include <sys/debug.h>
#include <sys/varargs.h>
+#include <sys/zone.h>
+#include <sys/signal.h>
+#include <asm/page.h>
-#ifndef _KERNEL
-#define _KERNEL __KERNEL__
+#ifdef HAVE_SCHED_RT_HEADER
+#include <linux/sched/rt.h>
#endif
-/* Missing defines.
- */
-#define FALSE 0
-#define TRUE 1
-
-#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 ENOTSUPP
-
-#define MAXMSGLEN 256
-#define MAXNAMELEN 256
-#define MAXPATHLEN PATH_MAX
-#define MAXOFFSET_T 0x7fffffffffffffffl
-
-#define MAXBSIZE 8192
-#define DEV_BSIZE 512
-#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
-
-#define max_ncpus 64
-#define CPU_SEQID smp_processor_id() /* I think... */
-#define _NOTE(x)
+#ifndef _KERNEL
+#define _KERNEL __KERNEL__
+#endif
-#define RLIM64_INFINITY RLIM_INFINITY
+#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 boot_ncpus num_online_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_PRIO-1: Process priority
* 0..MAX_RT_PRIO-1: RT priority tasks
* MAX_RT_PRIO..MAX_PRIO-1: SCHED_NORMAL tasks
*
* Treat shim tasks as SCHED_NORMAL tasks
*/
-#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 minclsyspri (MAX_PRIO-1)
+#define maxclsyspri (MAX_RT_PRIO)
+#define defclsyspri (DEFAULT_PRIO)
-#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 */
+#ifndef NICE_TO_PRIO
+#define NICE_TO_PRIO(nice) (MAX_RT_PRIO + (nice) + 20)
+#endif
+#ifndef PRIO_TO_NICE
+#define PRIO_TO_NICE(prio) ((prio) - MAX_RT_PRIO - 20)
+#endif
-/* Missing macros
+/*
+ * Missing macros
*/
-#define PAGESIZE PAGE_SIZE
+#ifndef PAGESIZE
+#define PAGESIZE PAGE_SIZE
+#endif
+
+#ifndef PAGESHIFT
+#define PAGESHIFT PAGE_SHIFT
+#endif
/* 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.
+/*
+ * Map some simple functions.
*/
-#define bzero(ptr,size) memset(ptr,0,size)
-#define bcopy(src,dest,size) memcpy(dest,src,size)
-#define bcmp(src,dest,size) memcmp((src), (dest), (size_t)(size))
-#define ASSERT(x) BUG_ON(!(x))
-#define VERIFY(x) ASSERT(x)
-
-#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
- const TYPE __left = (TYPE)(LEFT); \
- const TYPE __right = (TYPE)(RIGHT); \
- if (!(__left OP __right)) \
- BUG(); \
-} while (0)
-
-#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
-#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
-#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
-
-#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
-#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
-#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
+#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)
+#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)
+#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)
+#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)
+#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
/* Missing globals */
-extern int p0;
+extern char spl_version[32];
+extern unsigned long spl_hostid;
/* 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 highbit(x) __fls(x)
+#define lowbit(x) __ffs(x)
-#define makedevice(maj,min) makedev(maj,min)
-#define zone_dataset_visible(x, y) (1)
-#define INGLOBALZONE(z) (1)
+#define highbit64(x) fls64(x)
+#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
+#ifndef howmany
+#define howmany(x, y) (((x) + ((y) - 1)) / (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) - 1) | ((align) - 1)) + 1)
+#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 P2ALIGN_TYPED(x, align, type) \
- ((type)(x) & -(type)(align))
-#define P2PHASE_TYPED(x, align, type) \
- ((type)(x) & ((type)(align) - 1))
-#define P2NPHASE_TYPED(x, align, type) \
- (-(type)(x) & ((type)(align) - 1))
-#define P2ROUNDUP_TYPED(x, align, type) \
- (-(-(type)(x) & -(type)(align)))
-#define P2END_TYPED(x, align, type) \
- (-(~(type)(x) & -(type)(align)))
-#define P2PHASEUP_TYPED(x, align, phase, type) \
- ((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align)))
-#define P2CROSS_TYPED(x, y, align, type) \
- (((type)(x) ^ (type)(y)) > (type)(align) - 1)
-#define P2SAMEHIGHBIT_TYPED(x, y, type) \
- (((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y)))
+#define P2ALIGN_TYPED(x, align, type) \
+ ((type)(x) & -(type)(align))
+#define P2PHASE_TYPED(x, align, type) \
+ ((type)(x) & ((type)(align) - 1))
+#define P2NPHASE_TYPED(x, align, type) \
+ (-(type)(x) & ((type)(align) - 1))
+#define P2ROUNDUP_TYPED(x, align, type) \
+ ((((type)(x) - 1) | ((type)(align) - 1)) + 1)
+#define P2END_TYPED(x, align, type) \
+ (-(~(type)(x) & -(type)(align)))
+#define P2PHASEUP_TYPED(x, align, phase, type) \
+ ((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align)))
+#define P2CROSS_TYPED(x, y, align, type) \
+ (((type)(x) ^ (type)(y)) > (type)(align) - 1)
+#define P2SAMEHIGHBIT_TYPED(x, y, type) \
+ (((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y)))
#if defined(_KERNEL) && !defined(_KMEMUSER) && !defined(offsetof)
/* avoid any possibility of clashing with <stddef.h> version */
-#define offsetof(s, m) ((size_t)(&(((s *)0)->m)))
-#endif
-
-#ifdef __cplusplus
-}
+#define offsetof(s, m) ((size_t)(&(((s *)0)->m)))
#endif
#endif /* _SPL_SYSMACROS_H */
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