umem 1.0.1
Macros | Typedefs | Functions
vmem.h File Reference
#include <sys/types.h>

Go to the source code of this file.

Macros

#define VM_SLEEP   0x00000000 /* same as KM_SLEEP */
 
#define VM_NOSLEEP   0x00000001 /* same as KM_NOSLEEP */
 
#define VM_PANIC   0x00000002 /* same as KM_PANIC */
 
#define VM_PUSHPAGE   0x00000004 /* same as KM_PUSHPAGE */
 
#define VM_KMFLAGS   0x000000ff /* flags that must match KM_* flags */
 
#define VM_BESTFIT   0x00000100
 
#define VM_FIRSTFIT   0x00000200
 
#define VM_NEXTFIT   0x00000400
 
#define VM_MEMLOAD   0x00000800
 
#define VM_NORELOC   0x00001000
 
#define VM_ABORT   0x00002000
 
#define VM_FLAGS   0x0000FFFF
 
#define VMC_POPULATOR   0x00010000
 
#define VMC_NO_QCACHE   0x00020000 /* cannot use quantum caches */
 
#define VMC_IDENTIFIER   0x00040000 /* not backed by memory */
 
#define VMC_XALLOC   0x00080000
 
#define VMC_FLAGS   0xFFFF0000
 
#define VMEM_ALLOC   0x01
 
#define VMEM_FREE   0x02
 
#define VMEM_SPAN   0x10
 
#define VMEM_ROTOR   0x20
 
#define VMEM_WALKER   0x40
 
#define VMEM_REENTRANT   0x80000000
 

Typedefs

typedef struct vmem vmem_t
 
typedef void * vmem_alloc_t(vmem_t *, size_t, int)
 
typedef void vmem_free_t(vmem_t *, void *, size_t)
 
typedef void * vmem_ximport_t(vmem_t *, size_t *, int)
 

Functions

vmem_t * vmem_create (const char *, void *, size_t, size_t, vmem_alloc_t *, vmem_free_t *, vmem_t *, size_t, int)
 
vmem_t * vmem_xcreate (const char *, void *, size_t, size_t, vmem_ximport_t *, vmem_free_t *, vmem_t *, size_t, int)
 
void vmem_destroy (vmem_t *)
 
void * vmem_alloc (vmem_t *, size_t, int)
 
void * vmem_xalloc (vmem_t *, size_t, size_t, size_t, size_t, void *, void *, int)
 
void vmem_free (vmem_t *, void *, size_t)
 
void vmem_xfree (vmem_t *, void *, size_t)
 
void * vmem_add (vmem_t *, void *, size_t, int)
 
int vmem_contains (vmem_t *, void *, size_t)
 
void vmem_walk (vmem_t *, int, void(*)(void *, void *, size_t), void *)
 
size_t vmem_size (vmem_t *, int)
 

Macro Definition Documentation

◆ VM_ABORT

#define VM_ABORT   0x00002000

◆ VM_BESTFIT

#define VM_BESTFIT   0x00000100

Referenced by vmem_alloc(), vmem_init(), and vmem_xalloc().

◆ VM_FIRSTFIT

#define VM_FIRSTFIT   0x00000200

Referenced by vmem_alloc(), and vmem_xalloc().

◆ VM_FLAGS

#define VM_FLAGS   0x0000FFFF

◆ VM_KMFLAGS

#define VM_KMFLAGS   0x000000ff /* flags that must match KM_* flags */

◆ VM_MEMLOAD

#define VM_MEMLOAD   0x00000800

◆ VM_NEXTFIT

#define VM_NEXTFIT   0x00000400

Referenced by vmem_alloc().

◆ VM_NORELOC

#define VM_NORELOC   0x00001000

◆ VM_NOSLEEP

#define VM_NOSLEEP   0x00000001 /* same as KM_NOSLEEP */

Referenced by memalign(), umem_cache_create(), umem_init(), vmem_alloc(), vmem_init(), and vmem_xalloc().

◆ VM_PANIC

#define VM_PANIC   0x00000002 /* same as KM_PANIC */

Referenced by vmem_alloc(), vmem_create(), vmem_init(), and vmem_xalloc().

◆ VM_PUSHPAGE

#define VM_PUSHPAGE   0x00000004 /* same as KM_PUSHPAGE */

◆ VM_SLEEP

#define VM_SLEEP   0x00000000 /* same as KM_SLEEP */

Referenced by vmem_init().

◆ VMC_FLAGS

#define VMC_FLAGS   0xFFFF0000

◆ VMC_IDENTIFIER

#define VMC_IDENTIFIER   0x00040000 /* not backed by memory */

◆ VMC_NO_QCACHE

#define VMC_NO_QCACHE   0x00020000 /* cannot use quantum caches */

◆ VMC_POPULATOR

#define VMC_POPULATOR   0x00010000

Referenced by vmem_create(), and vmem_init().

◆ VMC_XALLOC

#define VMC_XALLOC   0x00080000

◆ VMEM_ALLOC

#define VMEM_ALLOC   0x01

Referenced by vmem_destroy(), and vmem_size().

◆ VMEM_FREE

#define VMEM_FREE   0x02

Referenced by vmem_size(), vmem_xalloc(), and vmem_xfree().

◆ VMEM_REENTRANT

#define VMEM_REENTRANT   0x80000000

Referenced by vmem_walk().

◆ VMEM_ROTOR

#define VMEM_ROTOR   0x20

Referenced by vmem_create().

◆ VMEM_SPAN

#define VMEM_SPAN   0x10

Referenced by vmem_contains(), vmem_create(), and vmem_xfree().

◆ VMEM_WALKER

#define VMEM_WALKER   0x40

Referenced by vmem_walk().

Typedef Documentation

◆ vmem_alloc_t

typedef void * vmem_alloc_t(vmem_t *, size_t, int)

◆ vmem_free_t

typedef void vmem_free_t(vmem_t *, void *, size_t)

◆ vmem_t

typedef struct vmem vmem_t

◆ vmem_ximport_t

typedef void * vmem_ximport_t(vmem_t *, size_t *, int)

Function Documentation

◆ vmem_add()

void * vmem_add ( vmem_t * vmp,
void * vaddr,
size_t size,
int vmflag )
extern

References ASSERT, cond_broadcast, mutex_lock, mutex_unlock, umem_panic(), vmem::vm_cv, vmem::vm_lock, and vmem_contains().

Referenced by vmem_create().

◆ vmem_alloc()

void * vmem_alloc ( vmem_t * vmp,
size_t size,
int vmflag )
extern

References _umem_cache_alloc(), ASSERT, highbit(), lowbit(), mutex_lock, mutex_unlock, P2ALIGN, UMEM_DEFAULT, VM_BESTFIT, VM_FIRSTFIT, vmem::vm_freelist, vmem::vm_freemap, vmem::vm_lock, vmem::vm_mtbf, VM_NEXTFIT, VM_NOSLEEP, vmem::vm_nsegfree, VM_PANIC, vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, vmem::vm_quantum, VMEM_FREELISTS, VMEM_MINFREE, vmem_mtbf, vmem_xalloc(), vmem_freelist::vs_knext, and vmem_seg::vs_start.

Referenced by _umem_alloc(), umem_cache_create(), umem_init(), vmem_create(), vmem_init(), and vmem_sbrk_arena().

◆ vmem_contains()

int vmem_contains ( vmem_t * vmp,
void * vaddr,
size_t size )
extern

References ASSERT, mutex_lock, mutex_unlock, vmem_kstat::vk_contains, vmem_kstat::vk_contains_search, vmem::vm_kstat, vmem::vm_lock, vmem::vm_seg0, VMEM_SPAN, vmem_seg::vs_end, vmem_seg::vs_knext, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _vmem_extend_alloc(), and vmem_add().

◆ vmem_create()

vmem_t * vmem_create ( const char * name,
void * base,
size_t size,
size_t quantum,
vmem_alloc_t * afunc,
vmem_free_t * ffunc,
vmem_t * source,
size_t qcache_max,
int vmflag )
extern

References ASSERT, atomic_add_32_nv, cond_init, highbit(), MIN, mutex_init, mutex_lock, mutex_unlock, UMC_NOTOUCH, UMC_QCACHE, umem_cache_create(), vmem_kstat::vk_source_id, vmem::vm_cflags, vmem::vm_cv, vmem::vm_freelist, vmem::vm_hash0, vmem::vm_hash_mask, vmem::vm_hash_shift, vmem::vm_hash_table, vmem::vm_id, vmem::vm_kstat, vmem::vm_lock, vmem::vm_name, vmem::vm_next, VM_PANIC, vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, vmem::vm_quantum, vmem::vm_rotor, vmem::vm_seg0, vmem::vm_source, vmem::vm_source_alloc, vmem::vm_source_free, VM_UMFLAGS, VMC_POPULATOR, vmem_add(), vmem_alloc(), vmem_destroy(), VMEM_FREELISTS, VMEM_HASH_INITIAL, VMEM_INITIAL, VMEM_INSERT, VMEM_NAMELEN, VMEM_NQCACHE_MAX, VMEM_ROTOR, VMEM_SPAN, vmem_seg::vs_anext, vmem_seg::vs_aprev, vmem_freelist::vs_end, vmem_seg::vs_knext, vmem_freelist::vs_knext, vmem_seg::vs_kprev, vmem_freelist::vs_kprev, and vmem_seg::vs_type.

Referenced by umem_init(), and vmem_init().

◆ vmem_destroy()

void vmem_destroy ( vmem_t * vmp)
extern

References cond_destroy, mutex_destroy, mutex_lock, mutex_unlock, umem_cache_destroy(), umem_printf(), vmem::vm_cv, vmem::vm_hash0, vmem::vm_hash_mask, vmem::vm_hash_table, vmem::vm_lock, vmem::vm_name, vmem::vm_next, vmem::vm_nsegfree, vmem::vm_qcache, vmem::vm_rotor, vmem::vm_seg0, VMEM_ALLOC, VMEM_DELETE, vmem_free(), VMEM_NQCACHE_MAX, vmem_size(), and vmem_seg::vs_anext.

Referenced by vmem_create().

◆ vmem_free()

void vmem_free ( vmem_t * vmp,
void * vaddr,
size_t size )
extern

References _umem_cache_free(), vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, and vmem_xfree().

Referenced by _umem_free(), umem_cache_destroy(), umem_init(), vmem_destroy(), vmem_init(), vmem_mmap_arena(), and vmem_sbrk_arena().

◆ vmem_size()

size_t vmem_size ( vmem_t * vmp,
int typemask )
extern

References vmem_kstat::vk_mem_inuse, vmem_kstat::vk_mem_total, vmem::vm_kstat, VMEM_ALLOC, and VMEM_FREE.

Referenced by vmem_destroy().

◆ vmem_walk()

void vmem_walk ( vmem_t * vmp,
int typemask,
void(*)(void *, void *, size_t) func,
void * arg )
extern

References mutex_lock, mutex_unlock, vmem::vm_lock, vmem::vm_seg0, VMEM_INSERT, VMEM_REENTRANT, VMEM_WALKER, vmem_seg::vs_anext, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

◆ vmem_xalloc()

void * vmem_xalloc ( vmem_t * vmp,
size_t size,
size_t align,
size_t phase,
size_t nocross,
void * minaddr,
void * maxaddr,
int vmflag )
extern

References _cond_wait, ASSERT, highbit(), lowbit(), MAX, MIN, mutex_lock, mutex_unlock, P2ALIGN, P2CROSS, P2NPHASE, P2PHASE, P2PHASEUP, P2ROUNDUP, umem_panic(), vmem_kstat::vk_fail, vmem_kstat::vk_search, vmem_kstat::vk_wait, VM_BESTFIT, vmem::vm_cv, VM_FIRSTFIT, vmem::vm_freelist, vmem::vm_freemap, vmem::vm_kstat, vmem::vm_lock, vmem::vm_mtbf, VM_NOSLEEP, vmem::vm_nsegfree, VM_PANIC, vmem::vm_quantum, vmem::vm_source, vmem::vm_source_alloc, VM_UMFLAGS, VMEM_FREE, VMEM_FREELISTS, VMEM_MINFREE, vmem_mtbf, vmem_reap(), VMEM_SEGS_PER_ALLOC_MAX, VMEM_SEGS_PER_EXACT_ALLOC, VMEM_SEGS_PER_SPAN_CREATE, vmem_seg::vs_end, vmem_seg::vs_knext, vmem_freelist::vs_knext, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _umem_alloc_align(), memalign(), umem_cache_create(), vmem_alloc(), and vmem_init().

◆ vmem_xcreate()

vmem_t * vmem_xcreate ( const char * ,
void * ,
size_t ,
size_t ,
vmem_ximport_t * ,
vmem_free_t * ,
vmem_t * ,
size_t ,
int  )
extern

◆ vmem_xfree()

void vmem_xfree ( vmem_t * vmp,
void * vaddr,
size_t size )
extern

References ASSERT, mutex_lock, mutex_unlock, P2ROUNDUP, vmem::vm_lock, vmem::vm_quantum, vmem::vm_source, vmem::vm_source_free, VMEM_FREE, VMEM_SPAN, vmem_seg::vs_anext, vmem_seg::vs_aprev, vmem_seg::vs_end, vmem_seg::vs_import, VS_SIZE, vmem_seg::vs_start, and vmem_seg::vs_type.

Referenced by _umem_free_align(), umem_cache_create(), and vmem_free().

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