svm.h File Reference

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Data Structures
struct	svm_region_
struct	svm_map_region_args_
struct	svm_subregion_t
struct	svm_main_region_t

Macros
#define	MMAP_PAGESIZE   (clib_mem_get_page_size())
#define	SVM_VERSION   ((1<<16) | 1) /* set to declare region ready. */
#define	SVM_FLAGS_MHEAP   (1<<0) /* region contains an mheap */
#define	SVM_FLAGS_FILE   (1<<1) /* region backed by one or more files */
#define	SVM_FLAGS_NODATA   (1<<2) /* region will be further subdivided */
#define	SVM_FLAGS_NEED_DATA_INIT   (1<<3)
#define	SVM_PVT_MHEAP_SIZE   (128<<10) /* region's private mheap (128k) */
#define	SVM_GLOBAL_REGION_BASEVA   0x30000000
#define	SVM_GLOBAL_REGION_SIZE   (64<<20)
#define	SVM_GLOBAL_REGION_NAME   "/global_vm"
#define	SVM_OVERLAY_REGION_BASEVA   (SVM_GLOBAL_REGION_BASEVA + SVM_GLOBAL_REGION_SIZE)
#define	SVM_OVERLAY_REGION_SIZE   (1<<20)
#define	SVM_OVERLAY_REGION_BASENAME   "/overlay_vm"

Typedefs
typedef struct svm_region_	svm_region_t
typedef struct svm_map_region_args_	svm_map_region_args_t

Functions
void *	svm_region_find_or_create (svm_map_region_args_t *a)
void	svm_region_init (void)
void	svm_region_init_chroot (char *root_path)
void	svm_region_init_chroot_uid_gid (char *root_path, int uid, int gid)
void	svm_region_exit (void)
void	svm_region_unmap (void *rp_arg)
void	svm_client_scan (char *root_path)
void	svm_client_scan_this_region_nolock (svm_region_t *rp)
u8 *	shm_name_from_svm_map_region_args (svm_map_region_args_t *a)
static void *	svm_mem_alloc (svm_region_t *rp, uword size)
static void *	svm_mem_alloc_aligned_at_offset (svm_region_t *rp, uword size, uword align, uword offset)
static void	svm_mem_free (svm_region_t *rp, void *ptr)
static void *	svm_push_pvt_heap (svm_region_t *rp)
static void *	svm_push_data_heap (svm_region_t *rp)
static void	svm_pop_heap (void *oldheap)
u8 *	format_svm_region (u8 *s, va_list *args)
svm_region_t *	svm_get_root_rp (void)

Macro Definition Documentation

#define MMAP_PAGESIZE   (clib_mem_get_page_size())

Definition at line 28 of file svm.h.

#define SVM_FLAGS_FILE   (1<<1) /* region backed by one or more files */

Definition at line 33 of file svm.h.

#define SVM_FLAGS_MHEAP   (1<<0) /* region contains an mheap */

Definition at line 32 of file svm.h.

#define SVM_FLAGS_NEED_DATA_INIT   (1<<3)

Definition at line 35 of file svm.h.

#define SVM_FLAGS_NODATA   (1<<2) /* region will be further subdivided */

Definition at line 34 of file svm.h.

#define SVM_GLOBAL_REGION_BASEVA   0x30000000

Definition at line 88 of file svm.h.

#define SVM_GLOBAL_REGION_NAME   "/global_vm"

Definition at line 90 of file svm.h.

#define SVM_GLOBAL_REGION_SIZE   (64<<20)

Definition at line 89 of file svm.h.

#define SVM_OVERLAY_REGION_BASENAME   "/overlay_vm"

Definition at line 98 of file svm.h.

#define SVM_OVERLAY_REGION_BASEVA   (SVM_GLOBAL_REGION_BASEVA + SVM_GLOBAL_REGION_SIZE)

Definition at line 95 of file svm.h.

#define SVM_OVERLAY_REGION_SIZE   (1<<20)

Definition at line 97 of file svm.h.

#define SVM_PVT_MHEAP_SIZE   (128<<10) /* region's private mheap (128k) */

Definition at line 37 of file svm.h.

#define SVM_VERSION   ((1<<16) | 1) /* set to declare region ready. */

Definition at line 30 of file svm.h.

Typedef Documentation

typedef struct svm_map_region_args_ svm_map_region_args_t

typedef struct svm_region_ svm_region_t

Function Documentation

u8* format_svm_region	(	u8 *	s,
		va_list *	args
	)

Definition at line 130 of file svm.c.

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u8* shm_name_from_svm_map_region_args

(

svm_map_region_args_t *

a

)

Definition at line 314 of file svm.c.

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void svm_client_scan

(

char *

root_path

)

Definition at line 988 of file svm.c.

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void svm_client_scan_this_region_nolock

(

svm_region_t *

rp

)

Definition at line 963 of file svm.c.

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svm_region_t* svm_get_root_rp

(

void

)

Definition at line 53 of file svm.c.

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static void* svm_mem_alloc ( svm_region_t *  rp, uword  size  )

inlinestatic

Definition at line 121 of file svm.h.

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static void* svm_mem_alloc_aligned_at_offset ( svm_region_t *  rp, uword  size, uword  align, uword  offset  )

inlinestatic

Definition at line 135 of file svm.h.

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static void svm_mem_free ( svm_region_t *  rp, void *  ptr  )

inlinestatic

Definition at line 152 of file svm.h.

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static void svm_pop_heap ( void *  oldheap )

inlinestatic

Definition at line 179 of file svm.h.

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static void* svm_push_data_heap ( svm_region_t *  rp )

inlinestatic

Definition at line 172 of file svm.h.

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static void* svm_push_pvt_heap ( svm_region_t *  rp )

inlinestatic

Definition at line 165 of file svm.h.

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void svm_region_exit

(

void

)

Definition at line 918 of file svm.c.

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void* svm_region_find_or_create

(

svm_map_region_args_t *

a

)

Definition at line 692 of file svm.c.

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void svm_region_init

(

void

)

Definition at line 677 of file svm.c.

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void svm_region_init_chroot

(

char *

root_path

)

Definition at line 682 of file svm.c.

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void svm_region_init_chroot_uid_gid	(	char *	root_path,
		int	uid,
		int	gid
	)

Definition at line 687 of file svm.c.

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void svm_region_unmap

(

void *

rp_arg

)

Definition at line 802 of file svm.c.

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