-/*****************************************************************************\
+/*
* 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).
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
- * For details, see <http://github.com/behlendorf/spl/>.
+ * 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
*
* 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
#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>
+
+#ifdef HAVE_SCHED_RT_HEADER
+#include <linux/sched/rt.h>
+#endif
#ifndef _KERNEL
-#define _KERNEL __KERNEL__
+#define _KERNEL __KERNEL__
#endif
#define FALSE 0
#define TRUE 1
-#define INT32_MAX INT_MAX
-#define INT32_MIN INT_MIN
+#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_MAX ULLONG_MAX
#define UINT64_MIN ULLONG_MIN
-#define NBBY 8
-#define ENOTSUP ENOTSUPP
+#define NBBY 8
+#define ENOTSUP EOPNOTSUPP
#define MAXMSGLEN 256
-#define MAXNAMELEN 256
-#define MAXPATHLEN PATH_MAX
-
-#ifdef _LP64
-#define MAXOFFSET_T 0x7fffffffffffffffl
-#else
-#define MAXOFFSET_T 0x7fffffffl
-#endif
-
+#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 curproc current
#define proc_pageout NULL
-#define max_ncpus 64
-#define CPU_SEQID smp_processor_id() /* I think... */
+#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
-
-#define RLIM64_INFINITY RLIM_INFINITY
+#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_PRIO-1)
+#define maxclsyspri (MAX_RT_PRIO)
+#define defclsyspri (DEFAULT_PRIO)
+#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.
*/
-#define bzero(ptr,size) memset(ptr,0,size)
-#define bcopy(src,dest,size) memcpy(dest,src,size)
+#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 */
#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
/* Missing globals */
-extern char spl_version[16];
-extern long spl_hostid;
-extern char hw_serial[11];
-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 makedevice(maj,min) makedev(maj,min)
+#define highbit(x) __fls(x)
+#define lowbit(x) __ffs(x)
+
+#define highbit64(x) fls64(x)
+#define makedevice(maj,min) makedev(maj,min)
/* common macros */
#ifndef MIN
#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 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 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)
+ (((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 P2NPHASE_TYPED(x, align, type) \
(-(type)(x) & ((type)(align) - 1))
#define P2ROUNDUP_TYPED(x, align, type) \
- (-(-(type)(x) & -(type)(align)))
+ ((((type)(x) - 1) | ((type)(align) - 1)) + 1)
#define P2END_TYPED(x, align, type) \
(-(~(type)(x) & -(type)(align)))
#define P2PHASEUP_TYPED(x, align, phase, type) \