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-rw-r--r--src/vppinfra/bihash_template.c66
-rw-r--r--src/vppinfra/bihash_template.h12
2 files changed, 39 insertions, 39 deletions
diff --git a/src/vppinfra/bihash_template.c b/src/vppinfra/bihash_template.c
index fa92c8b71e8..882f81cc14b 100644
--- a/src/vppinfra/bihash_template.c
+++ b/src/vppinfra/bihash_template.c
@@ -29,7 +29,7 @@ static inline void *BV (alloc_aligned) (BVT (clib_bihash) * h, uword nbytes)
if (rv >= (alloc_arena (h) + alloc_arena_size (h)))
os_out_of_memory ();
- return (void *) rv;
+ return (void *) (uword) (rv + alloc_arena (h));
}
@@ -53,7 +53,7 @@ void BV (clib_bihash_init)
ASSERT (memory_size < (1ULL << BIHASH_BUCKET_OFFSET_BITS));
alloc_arena (h) = (uword) clib_mem_vm_alloc (memory_size);
- alloc_arena_next (h) = alloc_arena (h);
+ alloc_arena_next (h) = 0;
alloc_arena_size (h) = memory_size;
bucket_size = nbuckets * sizeof (h->buckets[0]);
@@ -71,17 +71,14 @@ void BV (clib_bihash_init)
#endif
void BV (clib_bihash_master_init_svm)
- (BVT (clib_bihash) * h, char *name, u32 nbuckets,
- u64 base_address, u64 memory_size)
+ (BVT (clib_bihash) * h, char *name, u32 nbuckets, u64 memory_size)
{
uword bucket_size;
u8 *mmap_addr;
vec_header_t *freelist_vh;
int fd;
- ASSERT (base_address);
- ASSERT (base_address + memory_size < (1ULL << 32));
-
+ ASSERT (memory_size < (1ULL << 32));
/* Set up for memfd sharing */
if ((fd = memfd_create (name, MFD_ALLOW_SEALING)) == -1)
{
@@ -99,9 +96,8 @@ void BV (clib_bihash_master_init_svm)
if ((fcntl (fd, F_ADD_SEALS, F_SEAL_SHRINK)) == -1)
clib_unix_warning ("fcntl (F_ADD_SEALS)");
- mmap_addr = mmap (u64_to_pointer (base_address), memory_size,
- PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd,
- 0 /* offset */ );
+ mmap_addr = mmap (0, memory_size,
+ PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 /* offset */ );
if (mmap_addr == MAP_FAILED)
{
@@ -118,23 +114,27 @@ void BV (clib_bihash_master_init_svm)
h->log2_nbuckets = max_log2 (nbuckets);
alloc_arena (h) = (u64) (uword) mmap_addr;
- alloc_arena_next (h) = alloc_arena (h) + CLIB_CACHE_LINE_BYTES;
+ alloc_arena_next (h) = CLIB_CACHE_LINE_BYTES;
alloc_arena_size (h) = memory_size;
bucket_size = nbuckets * sizeof (h->buckets[0]);
h->buckets = BV (alloc_aligned) (h, bucket_size);
- h->sh->buckets_as_u64 = (u64) (uword) h->buckets;
+ h->sh->buckets_as_u64 = (u64) BV (clib_bihash_get_offset) (h, h->buckets);
h->alloc_lock = BV (alloc_aligned) (h, CLIB_CACHE_LINE_BYTES);
h->alloc_lock[0] = 0;
- h->sh->alloc_lock_as_u64 = (u64) (uword) (h->alloc_lock);
- freelist_vh = BV (alloc_aligned) (h, sizeof (vec_header_t) +
- BIHASH_FREELIST_LENGTH * sizeof (u64));
+ h->sh->alloc_lock_as_u64 =
+ (u64) BV (clib_bihash_get_offset) (h, (void *) h->alloc_lock);
+ freelist_vh =
+ BV (alloc_aligned) (h,
+ sizeof (vec_header_t) +
+ BIHASH_FREELIST_LENGTH * sizeof (u64));
freelist_vh->len = BIHASH_FREELIST_LENGTH;
freelist_vh->dlmalloc_header_offset = 0xDEADBEEF;
- h->sh->freelists_as_u64 = (u64) (uword) freelist_vh->vector_data;
- h->freelists = (void *) (uword) (h->sh->freelists_as_u64);
+ h->sh->freelists_as_u64 =
+ (u64) BV (clib_bihash_get_offset) (h, freelist_vh->vector_data);
+ h->freelists = (void *) (freelist_vh->vector_data);
h->fmt_fn = NULL;
}
@@ -143,10 +143,10 @@ void BV (clib_bihash_slave_init_svm)
(BVT (clib_bihash) * h, char *name, int fd)
{
u8 *mmap_addr;
- u64 base_address, memory_size;
+ u64 memory_size;
BVT (clib_bihash_shared_header) * sh;
- /* Trial mapping, to place the segment */
+ /* Trial mapping, to learn the segment size */
mmap_addr = mmap (0, 4096, PROT_READ, MAP_SHARED, fd, 0 /* offset */ );
if (mmap_addr == MAP_FAILED)
{
@@ -156,15 +156,13 @@ void BV (clib_bihash_slave_init_svm)
sh = (BVT (clib_bihash_shared_header) *) mmap_addr;
- base_address = sh->alloc_arena;
memory_size = sh->alloc_arena_size;
munmap (mmap_addr, 4096);
- /* Actual mapping, at the required address */
- mmap_addr = mmap (u64_to_pointer (base_address), memory_size,
- PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd,
- 0 /* offset */ );
+ /* Actual mapping, at the required size */
+ mmap_addr = mmap (0, memory_size,
+ PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 /* offset */ );
if (mmap_addr == MAP_FAILED)
{
@@ -175,15 +173,16 @@ void BV (clib_bihash_slave_init_svm)
(void) close (fd);
h->sh = (void *) mmap_addr;
+ alloc_arena (h) = (u64) (uword) mmap_addr;
h->memfd = -1;
h->name = (u8 *) name;
- h->buckets = u64_to_pointer (h->sh->buckets_as_u64);
+ h->buckets = BV (clib_bihash_get_value) (h, h->sh->buckets_as_u64);
h->nbuckets = h->sh->nbuckets;
h->log2_nbuckets = max_log2 (h->nbuckets);
- h->alloc_lock = u64_to_pointer (h->sh->alloc_lock_as_u64);
- h->freelists = u64_to_pointer (h->sh->freelists_as_u64);
+ h->alloc_lock = BV (clib_bihash_get_value) (h, h->sh->alloc_lock_as_u64);
+ h->freelists = BV (clib_bihash_get_value) (h, h->sh->freelists_as_u64);
h->fmt_fn = NULL;
}
#endif /* BIHASH_32_64_SVM */
@@ -225,7 +224,7 @@ BV (value_alloc) (BVT (clib_bihash) * h, u32 log2_pages)
rv = BV (alloc_aligned) (h, (sizeof (*rv) * (1 << log2_pages)));
goto initialize;
}
- rv = (void *) (uword) h->freelists[log2_pages];
+ rv = BV (clib_bihash_get_value) (h, (uword) h->freelists[log2_pages]);
h->freelists[log2_pages] = rv->next_free_as_u64;
initialize:
@@ -251,7 +250,7 @@ BV (value_free) (BVT (clib_bihash) * h, BVT (clib_bihash_value) * v,
memset (v, 0xFE, sizeof (*v) * (1 << log2_pages));
v->next_free_as_u64 = (u64) h->freelists[log2_pages];
- h->freelists[log2_pages] = (u64) (uword) v;
+ h->freelists[log2_pages] = (u64) BV (clib_bihash_get_offset) (h, v);
}
static inline void
@@ -767,12 +766,13 @@ u8 *BV (format_bihash) (u8 * s, va_list * args)
{
u32 nfree = 0;
BVT (clib_bihash_value) * free_elt;
+ u64 free_elt_as_u64 = h->freelists[i];
- free_elt = (void *) (uword) h->freelists[i];
- while (free_elt)
+ while (free_elt_as_u64)
{
+ free_elt = BV (clib_bihash_get_value) (h, free_elt_as_u64);
nfree++;
- free_elt = (void *) (uword) free_elt->next_free_as_u64;
+ free_elt_as_u64 = free_elt->next_free_as_u64;
}
if (nfree || verbose)
@@ -780,7 +780,7 @@ u8 *BV (format_bihash) (u8 * s, va_list * args)
}
s = format (s, " %lld linear search buckets\n", linear_buckets);
- used_bytes = alloc_arena_next (h) - alloc_arena (h);
+ used_bytes = alloc_arena_next (h);
s = format (s,
" arena: base %llx, next %llx\n"
" used %lld b (%lld Mbytes) of %lld b (%lld Mbytes)\n",
diff --git a/src/vppinfra/bihash_template.h b/src/vppinfra/bihash_template.h
index ef7e83013ae..6ce3da77e7f 100644
--- a/src/vppinfra/bihash_template.h
+++ b/src/vppinfra/bihash_template.h
@@ -99,7 +99,6 @@ typedef CLIB_PACKED (struct {
*/
u64 alloc_arena_next; /* Next VA to allocate, definitely NOT a constant */
u64 alloc_arena_size; /* Size of the arena */
- u64 alloc_arena; /* Base VA of the arena */
/* Two SVM pointers stored as 8-byte integers */
u64 alloc_lock_as_u64;
u64 buckets_as_u64;
@@ -108,7 +107,7 @@ typedef CLIB_PACKED (struct {
u32 nbuckets; /* Number of buckets */
/* Set when header valid */
volatile u32 ready;
- u64 pad;
+ u64 pad[2];
}) BVT (clib_bihash_shared_header);
/* *INDENT-ON* */
@@ -136,6 +135,8 @@ typedef struct
BVT (clib_bihash_shared_header) sh;
#endif
+ u64 alloc_arena; /* Base of the allocation arena */
+
/**
* A custom format function to print the Key and Value of bihash_key instead of default hexdump
*/
@@ -150,7 +151,7 @@ typedef struct
#undef CLIB_BIHASH_READY_MAGIC
#define alloc_arena_next(h) (((h)->sh)->alloc_arena_next)
#define alloc_arena_size(h) (((h)->sh)->alloc_arena_size)
-#define alloc_arena(h) (((h)->sh)->alloc_arena)
+#define alloc_arena(h) ((h)->alloc_arena)
#define CLIB_BIHASH_READY_MAGIC 0xFEEDFACE
#else
#undef alloc_arena_next
@@ -159,7 +160,7 @@ typedef struct
#undef CLIB_BIHASH_READY_MAGIC
#define alloc_arena_next(h) ((h)->sh.alloc_arena_next)
#define alloc_arena_size(h) ((h)->sh.alloc_arena_size)
-#define alloc_arena(h) ((h)->sh.alloc_arena)
+#define alloc_arena(h) ((h)->alloc_arena)
#define CLIB_BIHASH_READY_MAGIC 0
#endif
@@ -230,8 +231,7 @@ void BV (clib_bihash_init)
#if BIHASH_32_64_SVM
void BV (clib_bihash_master_init_svm)
- (BVT (clib_bihash) * h, char *name, u32 nbuckets,
- u64 base_address, u64 memory_size);
+ (BVT (clib_bihash) * h, char *name, u32 nbuckets, u64 memory_size);
void BV (clib_bihash_slave_init_svm)
(BVT (clib_bihash) * h, char *name, int fd);
#endif