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mem.h File Reference
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Data Structures

struct  clib_mem_usage_t
 
struct  clib_mem_vm_alloc_t
 

Macros

#define CLIB_MAX_MHEAPS   256
 
#define clib_mem_alloc_aligned_no_fail(size, align)
 
#define clib_mem_alloc_no_fail(size)   clib_mem_alloc_aligned_no_fail(size,1)
 
#define clib_mem_alloc_stack(bytes)   __builtin_alloca(bytes)
 
#define CLIB_MEM_VM_F_SHARED   (1 << 0)
 
#define CLIB_MEM_VM_F_HUGETLB   (1 << 1)
 
#define CLIB_MEM_VM_F_NUMA_PREFER   (1 << 2)
 
#define CLIB_MEM_VM_F_NUMA_FORCE   (1 << 3)
 
#define CLIB_MEM_VM_F_HUGETLB_PREALLOC   (1 << 4)
 

Functions

static void * clib_mem_get_per_cpu_heap (void)
 
static void * clib_mem_set_per_cpu_heap (u8 *new_heap)
 
static void * clib_mem_alloc_aligned_at_offset (uword size, uword align, uword align_offset, int os_out_of_memory_on_failure)
 
static void * clib_mem_alloc (uword size)
 
static void * clib_mem_alloc_aligned (uword size, uword align)
 
static void * clib_mem_alloc_or_null (uword size)
 
static void * clib_mem_alloc_aligned_or_null (uword size, uword align)
 
static uword clib_mem_is_heap_object (void *p)
 
static void clib_mem_free (void *p)
 
static void * clib_mem_realloc (void *p, uword new_size, uword old_size)
 
static uword clib_mem_size (void *p)
 
static void * clib_mem_get_heap (void)
 
static void * clib_mem_set_heap (void *heap)
 
void * clib_mem_init (void *heap, uword size)
 
void clib_mem_exit (void)
 
uword clib_mem_get_page_size (void)
 
void clib_mem_validate (void)
 
void clib_mem_trace (int enable)
 
void clib_mem_usage (clib_mem_usage_t *usage)
 
u8format_clib_mem_usage (u8 *s, va_list *args)
 
static void * clib_mem_vm_alloc (uword size)
 
static void clib_mem_vm_free (void *addr, uword size)
 
static void * clib_mem_vm_unmap (void *addr, uword size)
 
static void * clib_mem_vm_map (void *addr, uword size)
 
clib_error_tclib_mem_vm_ext_alloc (clib_mem_vm_alloc_t *a)
 
int clib_mem_vm_get_log2_page_size (int fd)
 
u64clib_mem_vm_get_paddr (void *mem, int log2_page_size, int n_pages)
 

Variables

void * clib_per_cpu_mheaps [CLIB_MAX_MHEAPS]
 

Macro Definition Documentation

#define CLIB_MAX_MHEAPS   256

Definition at line 52 of file mem.h.

#define clib_mem_alloc_aligned_no_fail (   size,
  align 
)
Value:
({ \
uword _clib_mem_alloc_size = (size); \
void * _clib_mem_alloc_p; \
_clib_mem_alloc_p = clib_mem_alloc_aligned (_clib_mem_alloc_size, (align)); \
if (! _clib_mem_alloc_p) \
clib_panic ("failed to allocate %d bytes", _clib_mem_alloc_size); \
_clib_mem_alloc_p; \
})
u64 size
Definition: vhost-user.h:76
u64 uword
Definition: types.h:112
static void * clib_mem_alloc_aligned(uword size, uword align)
Definition: mem.h:120
#define clib_panic(format, args...)
Definition: error.h:72

Definition at line 146 of file mem.h.

#define clib_mem_alloc_no_fail (   size)    clib_mem_alloc_aligned_no_fail(size,1)

Definition at line 156 of file mem.h.

#define clib_mem_alloc_stack (   bytes)    __builtin_alloca(bytes)

Definition at line 159 of file mem.h.

#define CLIB_MEM_VM_F_HUGETLB   (1 << 1)

Definition at line 327 of file mem.h.

#define CLIB_MEM_VM_F_HUGETLB_PREALLOC   (1 << 4)

Definition at line 330 of file mem.h.

#define CLIB_MEM_VM_F_NUMA_FORCE   (1 << 3)

Definition at line 329 of file mem.h.

#define CLIB_MEM_VM_F_NUMA_PREFER   (1 << 2)

Definition at line 328 of file mem.h.

#define CLIB_MEM_VM_F_SHARED   (1 << 0)

Definition at line 326 of file mem.h.

Function Documentation

static void* clib_mem_alloc ( uword  size)
inlinestatic

Definition at line 112 of file mem.h.

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static void* clib_mem_alloc_aligned ( uword  size,
uword  align 
)
inlinestatic

Definition at line 120 of file mem.h.

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static void* clib_mem_alloc_aligned_at_offset ( uword  size,
uword  align,
uword  align_offset,
int  os_out_of_memory_on_failure 
)
inlinestatic

Definition at line 75 of file mem.h.

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static void* clib_mem_alloc_aligned_or_null ( uword  size,
uword  align 
)
inlinestatic

Definition at line 136 of file mem.h.

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static void* clib_mem_alloc_or_null ( uword  size)
inlinestatic

Definition at line 128 of file mem.h.

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void clib_mem_exit ( void  )

Definition at line 49 of file mem_mheap.c.

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static void clib_mem_free ( void *  p)
inlinestatic

Definition at line 179 of file mem.h.

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static void* clib_mem_get_heap ( void  )
inlinestatic

Definition at line 220 of file mem.h.

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uword clib_mem_get_page_size ( void  )

Definition at line 110 of file mem_mheap.c.

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static void* clib_mem_get_per_cpu_heap ( void  )
inlinestatic

Definition at line 58 of file mem.h.

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void* clib_mem_init ( void *  heap,
uword  size 
)

Definition at line 60 of file mem_mheap.c.

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static uword clib_mem_is_heap_object ( void *  p)
inlinestatic

Definition at line 162 of file mem.h.

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static void* clib_mem_realloc ( void *  p,
uword  new_size,
uword  old_size 
)
inlinestatic

Definition at line 194 of file mem.h.

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static void* clib_mem_set_heap ( void *  heap)
inlinestatic

Definition at line 226 of file mem.h.

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static void* clib_mem_set_per_cpu_heap ( u8 new_heap)
inlinestatic

Definition at line 65 of file mem.h.

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static uword clib_mem_size ( void *  p)
inlinestatic

Definition at line 212 of file mem.h.

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void clib_mem_trace ( int  enable)

Definition at line 154 of file mem_mheap.c.

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void clib_mem_usage ( clib_mem_usage_t usage)

Definition at line 133 of file mem_mheap.c.

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void clib_mem_validate ( void  )

Definition at line 142 of file mem_mheap.c.

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static void* clib_mem_vm_alloc ( uword  size)
inlinestatic

Definition at line 272 of file mem.h.

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clib_error_t* clib_mem_vm_ext_alloc ( clib_mem_vm_alloc_t a)

Definition at line 58 of file mem.c.

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static void clib_mem_vm_free ( void *  addr,
uword  size 
)
inlinestatic

Definition at line 289 of file mem.h.

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int clib_mem_vm_get_log2_page_size ( int  fd)

Definition at line 49 of file mem.c.

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u64* clib_mem_vm_get_paddr ( void *  mem,
int  log2_page_size,
int  n_pages 
)

Definition at line 220 of file mem.c.

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static void* clib_mem_vm_map ( void *  addr,
uword  size 
)
inlinestatic

Definition at line 312 of file mem.h.

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static void* clib_mem_vm_unmap ( void *  addr,
uword  size 
)
inlinestatic

Definition at line 295 of file mem.h.

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u8* format_clib_mem_usage ( u8 s,
va_list *  args 
)

Definition at line 126 of file mem_mheap.c.

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Variable Documentation

void* clib_per_cpu_mheaps[CLIB_MAX_MHEAPS]

Definition at line 46 of file mem_mheap.c.