diff options
Diffstat (limited to 'lib/librte_eal/common/include/rte_malloc_heap.h')
-rw-r--r-- | lib/librte_eal/common/include/rte_malloc_heap.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/librte_eal/common/include/rte_malloc_heap.h b/lib/librte_eal/common/include/rte_malloc_heap.h new file mode 100644 index 00000000..b2703562 --- /dev/null +++ b/lib/librte_eal/common/include/rte_malloc_heap.h @@ -0,0 +1,55 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_MALLOC_HEAP_H_ +#define _RTE_MALLOC_HEAP_H_ + +#include <stddef.h> +#include <sys/queue.h> +#include <rte_spinlock.h> +#include <rte_memory.h> + +/* Number of free lists per heap, grouped by size. */ +#define RTE_HEAP_NUM_FREELISTS 13 + +/** + * Structure to hold malloc heap + */ +struct malloc_heap { + rte_spinlock_t lock; + LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS]; + unsigned alloc_count; + size_t total_size; +} __rte_cache_aligned; + +#endif /* _RTE_MALLOC_HEAP_H_ */ |