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

VM_FIRSTFIT

#define VM_FIRSTFIT   0x00000200

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

VM_NORELOC

#define VM_NORELOC   0x00001000

VM_NOSLEEP

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

Referenced by memalign(), and vmem_alloc().

VM_PANIC

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

VM_PUSHPAGE

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

VM_SLEEP

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

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

VMC_XALLOC

#define VMC_XALLOC   0x00080000

VMEM_ALLOC

#define VMEM_ALLOC   0x01

Referenced by vmem_size().

VMEM_FREE

#define VMEM_FREE   0x02

Referenced by vmem_size().

VMEM_REENTRANT

#define VMEM_REENTRANT   0x80000000

Referenced by vmem_walk().

VMEM_ROTOR

#define VMEM_ROTOR   0x20

VMEM_SPAN

#define VMEM_SPAN   0x10

Referenced by vmem_contains().

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 *	,
		void *	,
		size_t	,
		int
	)

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

vmem_alloc()

void* vmem_alloc	(	vmem_t *	,
		size_t	,
		int
	)

References _umem_cache_alloc(), ASSERT, UMEM_DEFAULT, vmem::vm_mtbf, VM_NOSLEEP, vmem::vm_qcache, vmem::vm_qcache_max, vmem::vm_qshift, and vmem_mtbf.

vmem_contains()

int vmem_contains	(	vmem_t *	,
		void *	,
		size_t
	)

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 *	,
		void *	,
		size_t	,
		size_t	,
		vmem_alloc_t *	,
		vmem_free_t *	,
		vmem_t *	,
		size_t	,
		int
	)

References atomic_add_32_nv.

vmem_destroy()

void vmem_destroy

(

vmem_t *

)

References mutex_lock, and vmem::vm_seg0.

vmem_free()

void vmem_free	(	vmem_t *	,
		void *	,
		size_t
	)

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

vmem_size()

size_t vmem_size	(	vmem_t *	,
		int
	)

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

vmem_walk()

void vmem_walk	(	vmem_t *	,
		int	,
		void(*)(void *, void *, size_t)	,
		void *
	)

References mutex_lock, 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 *	,
		size_t	,
		size_t	,
		size_t	,
		size_t	,
		void *	,
		void *	,
		int
	)

References P2ROUNDUP, umem_panic(), and vmem_mtbf.

Referenced by memalign().

vmem_xcreate()

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

vmem_xfree()

void vmem_xfree	(	vmem_t *	,
		void *	,
		size_t
	)

References mutex_lock, and vmem::vm_lock.

Referenced by _umem_free_align(), and vmem_free().