diff options
Diffstat (limited to 'zfs/lib/libumem/include/sys/vmem_impl_user.h')
| -rw-r--r-- | zfs/lib/libumem/include/sys/vmem_impl_user.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/zfs/lib/libumem/include/sys/vmem_impl_user.h b/zfs/lib/libumem/include/sys/vmem_impl_user.h deleted file mode 100644 index cc9da6679..000000000 --- a/zfs/lib/libumem/include/sys/vmem_impl_user.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 1999-2002 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _SYS_VMEM_IMPL_USER_H -#define _SYS_VMEM_IMPL_USER_H - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <sys/kstat.h> -#include <sys/time.h> -#include <sys/vmem.h> -#include <thread.h> -#include <synch.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct vmem_seg vmem_seg_t; - -#define VMEM_STACK_DEPTH 20 - -struct vmem_seg { - /* - * The first four fields must match vmem_freelist_t exactly. - */ - uintptr_t vs_start; /* start of segment (inclusive) */ - uintptr_t vs_end; /* end of segment (exclusive) */ - vmem_seg_t *vs_knext; /* next of kin (alloc, free, span) */ - vmem_seg_t *vs_kprev; /* prev of kin */ - - vmem_seg_t *vs_anext; /* next in arena */ - vmem_seg_t *vs_aprev; /* prev in arena */ - uint8_t vs_type; /* alloc, free, span */ - uint8_t vs_import; /* non-zero if segment was imported */ - uint8_t vs_depth; /* stack depth if UMF_AUDIT active */ - /* - * The following fields are present only when UMF_AUDIT is set. - */ - thread_t vs_thread; - hrtime_t vs_timestamp; - uintptr_t vs_stack[VMEM_STACK_DEPTH]; -}; - -typedef struct vmem_freelist { - uintptr_t vs_start; /* always zero */ - uintptr_t vs_end; /* segment size */ - vmem_seg_t *vs_knext; /* next of kin */ - vmem_seg_t *vs_kprev; /* prev of kin */ -} vmem_freelist_t; - -#define VS_SIZE(vsp) ((vsp)->vs_end - (vsp)->vs_start) - -/* - * Segment hashing - */ -#define VMEM_HASH_INDEX(a, s, q, m) \ - ((((a) + ((a) >> (s)) + ((a) >> ((s) << 1))) >> (q)) & (m)) - -#define VMEM_HASH(vmp, addr) \ - (&(vmp)->vm_hash_table[VMEM_HASH_INDEX(addr, \ - (vmp)->vm_hash_shift, (vmp)->vm_qshift, (vmp)->vm_hash_mask)]) - -#define VMEM_NAMELEN 30 -#define VMEM_HASH_INITIAL 16 -#define VMEM_NQCACHE_MAX 16 -#define VMEM_FREELISTS (sizeof (void *) * 8) - -typedef struct vmem_kstat { - uint64_t vk_mem_inuse; /* memory in use */ - uint64_t vk_mem_import; /* memory imported */ - uint64_t vk_mem_total; /* total memory in arena */ - uint32_t vk_source_id; /* vmem id of vmem source */ - uint64_t vk_alloc; /* number of allocations */ - uint64_t vk_free; /* number of frees */ - uint64_t vk_wait; /* number of allocations that waited */ - uint64_t vk_fail; /* number of allocations that failed */ - uint64_t vk_lookup; /* hash lookup count */ - uint64_t vk_search; /* freelist search count */ - uint64_t vk_populate_wait; /* populates that waited */ - uint64_t vk_populate_fail; /* populates that failed */ - uint64_t vk_contains; /* vmem_contains() calls */ - uint64_t vk_contains_search; /* vmem_contains() search cnt */ -} vmem_kstat_t; - -struct vmem { - char vm_name[VMEM_NAMELEN]; /* arena name */ - cond_t vm_cv; /* cv for blocking allocations */ - mutex_t vm_lock; /* arena lock */ - uint32_t vm_id; /* vmem id */ - uint32_t vm_mtbf; /* induced alloc failure rate */ - int vm_cflags; /* arena creation flags */ - int vm_qshift; /* log2(vm_quantum) */ - size_t vm_quantum; /* vmem quantum */ - size_t vm_qcache_max; /* maximum size to front by umem */ - vmem_alloc_t *vm_source_alloc; - vmem_free_t *vm_source_free; - vmem_t *vm_source; /* vmem source for imported memory */ - vmem_t *vm_next; /* next in vmem_list */ - ssize_t vm_nsegfree; /* number of free vmem_seg_t's */ - vmem_seg_t *vm_segfree; /* free vmem_seg_t list */ - vmem_seg_t **vm_hash_table; /* allocated-segment hash table */ - size_t vm_hash_mask; /* hash_size - 1 */ - size_t vm_hash_shift; /* log2(vm_hash_mask + 1) */ - ulong_t vm_freemap; /* bitmap of non-empty freelists */ - vmem_seg_t vm_seg0; /* anchor segment */ - vmem_seg_t vm_rotor; /* rotor for VM_NEXTFIT allocations */ - vmem_seg_t *vm_hash0[VMEM_HASH_INITIAL]; /* initial hash table */ - void *vm_qcache[VMEM_NQCACHE_MAX]; /* quantum caches */ - vmem_freelist_t vm_freelist[VMEM_FREELISTS + 1]; /* power-of-2 flists */ - vmem_kstat_t vm_kstat; /* kstat data */ -}; - -/* - * We cannot use a mutex_t and MUTEX_HELD, since that will not work - * when libthread is not linked. - */ -typedef struct vmem_populate_lock { - mutex_t vmpl_mutex; - thread_t vmpl_thr; -} vmem_populate_lock_t; - -#define VM_UMFLAGS VM_KMFLAGS - -#ifdef __cplusplus -} -#endif - -#endif /* _SYS_VMEM_IMPL_USER_H */ |