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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/
#include <sys/kmem.h>
#include <sys/debug.h>
#include <sys/ksynch.h>
#include <sys/systm.h>
#include <umem.h>
void abort(void) __NORETURN;
static int
kmem_failed_cb(void)
{
abort();
return (UMEM_CALLBACK_RETRY);
}
#pragma init(_kmem_init)
static int
_kmem_init(void)
{
umem_nofail_callback(kmem_failed_cb);
return (0);
}
static int
kmem2umem_flags(int kmflags)
{
int umflags = UMEM_NOFAIL;
if (kmflags & KM_NOSLEEP)
umflags = UMEM_DEFAULT;
return (umflags);
}
int
kmem_debugging(void)
{
return (0);
}
void *
kmem_alloc(size_t size, int kmflags)
{
return (umem_alloc(size, kmem2umem_flags(kmflags)));
}
void *
kmem_zalloc(size_t size, int kmflags)
{
return (umem_zalloc(size, kmem2umem_flags(kmflags)));
}
void
kmem_free(void *buf, size_t size)
{
umem_free(buf, size);
}
/* void *kmem_alloc_tryhard(size_t size, size_t *alloc_size, int kmflags); */
kmem_cache_t *
kmem_cache_create(
char *name, /* descriptive name for this cache */
size_t bufsize, /* size of the objects it manages */
size_t align, /* required object alignment */
int (*constructor)(void *, void *, int), /* object constructor */
void (*destructor)(void *, void *), /* object destructor */
void (*reclaim)(void *), /* memory reclaim callback */
void *private, /* pass-thru arg for constr/destr/reclaim */
vmem_t *vmp, /* vmem source for slab allocation */
int kcflags) /* cache creation flags */
{
umem_cache_t *uc;
int ucflags = 0;
/* Ignore KMC_NOTOUCH - not needed for userland caches */
if (kcflags & KMC_NODEBUG)
ucflags |= UMC_NODEBUG;
if (kcflags & KMC_NOMAGAZINE)
ucflags |= UMC_NOMAGAZINE;
if (kcflags & KMC_NOHASH)
ucflags |= UMC_NOHASH;
uc = umem_cache_create(name, bufsize, align,
constructor, destructor, reclaim,
private, vmp, ucflags);
return ((kmem_cache_t *)uc);
}
void
kmem_cache_destroy(kmem_cache_t *kc)
{
umem_cache_destroy((umem_cache_t *)kc);
}
void *
kmem_cache_alloc(kmem_cache_t *kc, int kmflags)
{
return (umem_cache_alloc((umem_cache_t *)kc,
kmem2umem_flags(kmflags)));
}
void
kmem_cache_free(kmem_cache_t *kc, void *p)
{
umem_cache_free((umem_cache_t *)kc, p);
}
/* ARGSUSED */
void
kmem_cache_set_move(kmem_cache_t *kc,
kmem_cbrc_t (*fun)(void *, void *, size_t, void *))
{
}
/* ARGSUSED */
void
kmem_cache_reap_now(kmem_cache_t *kc)
{
}
/* uint64_t kmem_cache_stat(kmem_cache_t *, char *); */
/* ARGSUSED */
void
vmem_qcache_reap(struct vmem *vmp)
{
}
void
strfree(char *str)
{
ASSERT(str != NULL);
kmem_free(str, strlen(str) + 1);
}
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