-/*
- * This file is part of the SPL: Solaris Porting Layer.
- *
- * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
- * Produced at Lawrence Livermore National Laboratory
- * Written by:
- * Brian Behlendorf <behlendorf1@llnl.gov>,
- * Herb Wartens <wartens2@llnl.gov>,
- * Jim Garlick <garlick@llnl.gov>
+/*****************************************************************************\
+ * 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 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.
+ * 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.
*
- * This is distributed in the hope that it will be useful, but WITHOUT
+ * 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
+ * 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 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
-#define MAXOFFSET_T 0x7fffffffffffffffl
-
+#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 max_ncpus 64
-#define CPU_SEQID smp_processor_id() /* I think... */
+#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
-#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_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)
/* 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 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 spl_version[32];
+extern unsigned long spl_hostid;
extern char hw_serial[11];
-extern int p0;
/* Missing misc functions */
extern int highbit(unsigned long i);
-extern int ddi_strtoul(const char *str, char **nptr,
- int base, unsigned long *result);
+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)
/* 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 HAVE_3ARGS_INIT_WORK
-
-#define spl_init_work(wq,cb,d) INIT_WORK((wq), (void *)(cb), (void *)(d))
-#define spl_get_work_data(type,field,data) (data)
-
-#else
-
-#define spl_init_work(wq,cb,d) INIT_WORK((wq), (void *)(cb));
-#define spl_get_work_data(type,field,data) container_of(data,type,field)
-
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
#endif /* _SPL_SYSMACROS_H */
projects / mirror_zfs.git / blobdiff