F: app/test/test_devargs.c
F: app/test/test_eal*
F: app/test/test_errno.c
-F: app/test/test_func_reentrancy.c
F: app/test/test_interrupts.c
F: app/test/test_logs.c
F: app/test/test_memcpy*
-F: app/test/test_memory.c
-F: app/test/test_memzone.c
F: app/test/test_pci.c
F: app/test/test_per_lcore.c
F: app/test/test_prefetch.c
F: app/test/test_tailq.c
F: app/test/test_version.c
+Memory Allocation
+M: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
+F: lib/librte_eal/common/include/rte_mem*
+F: lib/librte_eal/common/include/rte_malloc.h
+F: lib/librte_eal/common/*malloc*
+F: lib/librte_eal/common/eal_common_mem*
+F: lib/librte_eal/common/eal_hugepages.h
+F: lib/librte_malloc/
+F: doc/guides/prog_guide/malloc_lib.rst
+F: app/test/test_func_reentrancy.c
+F: app/test/test_malloc.c
+F: app/test/test_memory.c
+F: app/test/test_memzone.c
+
Secondary process
K: RTE_PROC_
F: doc/guides/prog_guide/multi_proc_support.rst
Core Libraries
--------------
-Dynamic memory
-F: lib/librte_malloc/
-F: doc/guides/prog_guide/malloc_lib.rst
-F: app/test/test_malloc.c
-F: app/test/test_func_reentrancy.c
-
Memory pool
M: Olivier Matz <olivier.matz@6wind.com>
F: lib/librte_mempool/
CONFIG_RTE_LOG_HISTORY=256
CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n
CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n
+CONFIG_RTE_MALLOC_DEBUG=n
+CONFIG_RTE_MALLOC_MEMZONE_SIZE=11M
#
# FreeBSD contiguous memory driver settings
CONFIG_RTE_LIBRTE_TIMER=y
CONFIG_RTE_LIBRTE_TIMER_DEBUG=n
-#
-# Compile librte_malloc
-#
-CONFIG_RTE_LIBRTE_MALLOC=y
-CONFIG_RTE_LIBRTE_MALLOC_DEBUG=n
-CONFIG_RTE_MALLOC_MEMZONE_SIZE=11M
-
#
# Compile librte_cfgfile
#
CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n
CONFIG_RTE_EAL_IGB_UIO=y
CONFIG_RTE_EAL_VFIO=y
+CONFIG_RTE_MALLOC_DEBUG=n
+CONFIG_RTE_MALLOC_MEMZONE_SIZE=11M
#
# Special configurations in PCI Config Space for high performance
CONFIG_RTE_LIBRTE_TIMER=y
CONFIG_RTE_LIBRTE_TIMER_DEBUG=n
-#
-# Compile librte_malloc
-#
-CONFIG_RTE_LIBRTE_MALLOC=y
-CONFIG_RTE_LIBRTE_MALLOC_DEBUG=n
-CONFIG_RTE_MALLOC_MEMZONE_SIZE=11M
-
#
# Compile librte_cfgfile
#
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += lib/librte_kvargs
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += lib/librte_eal
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += lib/librte_kvargs
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += lib/librte_net
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_net
DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_hash
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += lib/librte_net
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += lib/librte_net
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += lib/librte_net
ifeq ($(CONFIG_RTE_IXGBE_INC_VECTOR)$(CONFIG_RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC),yn)
$(error The ixgbe vpmd depends on Rx bulk alloc)
DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_eal
DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_mempool
-DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += lib/librte_malloc
# Basic CFLAGS.
CFLAGS += -O3
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += lib/librte_kvargs
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += lib/librte_kvargs
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += lib/librte_net
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += lib/librte_net
include $(RTE_SDK)/mk/rte.lib.mk
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += lib/librte_eal lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += lib/librte_net lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += lib/librte_net
DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += lib/librte_cmdline
include $(RTE_SDK)/mk/rte.lib.mk
DIRS-y += librte_compat
DIRS-$(CONFIG_RTE_LIBRTE_EAL) += librte_eal
-DIRS-$(CONFIG_RTE_LIBRTE_MALLOC) += librte_malloc
+DIRS-$(CONFIG_RTE_LIBRTE_EAL) += librte_malloc
DIRS-$(CONFIG_RTE_LIBRTE_RING) += librte_ring
DIRS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += librte_mempool
DIRS-$(CONFIG_RTE_LIBRTE_MBUF) += librte_mbuf
SYMLINK-$(CONFIG_RTE_LIBRTE_ACL)-include += rte_acl.h
# this lib needs eal
-DEPDIRS-$(CONFIG_RTE_LIBRTE_ACL) += lib/librte_eal lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_ACL) += lib/librte_eal
include $(RTE_SDK)/mk/rte.lib.mk
CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
CFLAGS += -I$(RTE_SDK)/lib/librte_ring
CFLAGS += -I$(RTE_SDK)/lib/librte_mempool
-CFLAGS += -I$(RTE_SDK)/lib/librte_malloc
CFLAGS += -I$(RTE_SDK)/lib/librte_ether
CFLAGS += -I$(RTE_SDK)/drivers/net/ring
CFLAGS += -I$(RTE_SDK)/drivers/net/pcap
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_dev.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_options.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_thread.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += rte_malloc.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += malloc_elem.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += malloc_heap.c
CFLAGS_eal.o := -D_GNU_SOURCE
#CFLAGS_eal_thread.o := -D_GNU_SOURCE
pci_driver_list;
per_lcore__lcore_id;
per_lcore__rte_errno;
+ rte_calloc;
+ rte_calloc_socket;
rte_cpu_check_supported;
rte_cpu_get_flag_enabled;
rte_cycles_vmware_tsc_map;
rte_eal_vdev_uninit;
rte_eal_wait_lcore;
rte_exit;
+ rte_free;
rte_get_hpet_cycles;
rte_get_hpet_hz;
rte_get_tsc_hz;
rte_log_dump_history;
rte_log_set_history;
rte_logs;
+ rte_malloc;
+ rte_malloc_dump_stats;
+ rte_malloc_get_socket_stats;
+ rte_malloc_set_limit;
+ rte_malloc_socket;
+ rte_malloc_validate;
+ rte_malloc_virt2phy;
rte_mem_lock_page;
rte_mem_phy2mch;
rte_mem_virt2phy;
rte_memzone_reserve_bounded;
rte_memzone_walk;
rte_openlog_stream;
+ rte_realloc;
rte_set_application_usage_hook;
rte_set_log_level;
rte_set_log_type;
rte_vlog;
rte_xen_dom0_memory_attach;
rte_xen_dom0_memory_init;
+ rte_zmalloc;
+ rte_zmalloc_socket;
test_mp_secondary;
local: *;
INC += rte_eal_memconfig.h rte_malloc_heap.h
INC += rte_hexdump.h rte_devargs.h rte_dev.h
INC += rte_pci_dev_feature_defs.h rte_pci_dev_features.h
+INC += rte_malloc.h
ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y)
INC += rte_warnings.h
--- /dev/null
+/*-
+ * 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_H_
+#define _RTE_MALLOC_H_
+
+/**
+ * @file
+ * RTE Malloc. This library provides methods for dynamically allocating memory
+ * from hugepages.
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <rte_memory.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Structure to hold heap statistics obtained from rte_malloc_get_socket_stats function.
+ */
+struct rte_malloc_socket_stats {
+ size_t heap_totalsz_bytes; /**< Total bytes on heap */
+ size_t heap_freesz_bytes; /**< Total free bytes on heap */
+ size_t greatest_free_size; /**< Size in bytes of largest free block */
+ unsigned free_count; /**< Number of free elements on heap */
+ unsigned alloc_count; /**< Number of allocated elements on heap */
+ size_t heap_allocsz_bytes; /**< Total allocated bytes on heap */
+};
+
+/**
+ * This function allocates memory from the huge-page area of memory. The memory
+ * is not cleared. In NUMA systems, the memory allocated resides on the same
+ * NUMA socket as the core that calls this function.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param size
+ * Size (in bytes) to be allocated.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_malloc(const char *type, size_t size, unsigned align);
+
+/**
+ * Allocate zero'ed memory from the heap.
+ *
+ * Equivalent to rte_malloc() except that the memory zone is
+ * initialised with zeros. In NUMA systems, the memory allocated resides on the
+ * same NUMA socket as the core that calls this function.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param size
+ * Size (in bytes) to be allocated.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must obviously be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_zmalloc(const char *type, size_t size, unsigned align);
+
+/**
+ * Replacement function for calloc(), using huge-page memory. Memory area is
+ * initialised with zeros. In NUMA systems, the memory allocated resides on the
+ * same NUMA socket as the core that calls this function.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param num
+ * Number of elements to be allocated.
+ * @param size
+ * Size (in bytes) of a single element.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must obviously be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_calloc(const char *type, size_t num, size_t size, unsigned align);
+
+/**
+ * Replacement function for realloc(), using huge-page memory. Reserved area
+ * memory is resized, preserving contents. In NUMA systems, the new area
+ * resides on the same NUMA socket as the old area.
+ *
+ * @param ptr
+ * Pointer to already allocated memory
+ * @param size
+ * Size (in bytes) of new area. If this is 0, memory is freed.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must obviously be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the reallocated memory.
+ */
+void *
+rte_realloc(void *ptr, size_t size, unsigned align);
+
+/**
+ * This function allocates memory from the huge-page area of memory. The memory
+ * is not cleared.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param size
+ * Size (in bytes) to be allocated.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @param socket
+ * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
+ * will behave the same as rte_malloc().
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_malloc_socket(const char *type, size_t size, unsigned align, int socket);
+
+/**
+ * Allocate zero'ed memory from the heap.
+ *
+ * Equivalent to rte_malloc() except that the memory zone is
+ * initialised with zeros.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param size
+ * Size (in bytes) to be allocated.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must obviously be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @param socket
+ * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
+ * will behave the same as rte_zmalloc().
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket);
+
+/**
+ * Replacement function for calloc(), using huge-page memory. Memory area is
+ * initialised with zeros.
+ *
+ * @param type
+ * A string identifying the type of allocated objects (useful for debug
+ * purposes, such as identifying the cause of a memory leak). Can be NULL.
+ * @param num
+ * Number of elements to be allocated.
+ * @param size
+ * Size (in bytes) of a single element.
+ * @param align
+ * If 0, the return is a pointer that is suitably aligned for any kind of
+ * variable (in the same manner as malloc()).
+ * Otherwise, the return is a pointer that is a multiple of *align*. In
+ * this case, it must obviously be a power of two. (Minimum alignment is the
+ * cacheline size, i.e. 64-bytes)
+ * @param socket
+ * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
+ * will behave the same as rte_calloc().
+ * @return
+ * - NULL on error. Not enough memory, or invalid arguments (size is 0,
+ * align is not a power of two).
+ * - Otherwise, the pointer to the allocated object.
+ */
+void *
+rte_calloc_socket(const char *type, size_t num, size_t size, unsigned align, int socket);
+
+/**
+ * Frees the memory space pointed to by the provided pointer.
+ *
+ * This pointer must have been returned by a previous call to
+ * rte_malloc(), rte_zmalloc(), rte_calloc() or rte_realloc(). The behaviour of
+ * rte_free() is undefined if the pointer does not match this requirement.
+ *
+ * If the pointer is NULL, the function does nothing.
+ *
+ * @param ptr
+ * The pointer to memory to be freed.
+ */
+void
+rte_free(void *ptr);
+
+/**
+ * If malloc debug is enabled, check a memory block for header
+ * and trailer markers to indicate that all is well with the block.
+ * If size is non-null, also return the size of the block.
+ *
+ * @param ptr
+ * pointer to the start of a data block, must have been returned
+ * by a previous call to rte_malloc(), rte_zmalloc(), rte_calloc()
+ * or rte_realloc()
+ * @param size
+ * if non-null, and memory block pointer is valid, returns the size
+ * of the memory block
+ * @return
+ * -1 on error, invalid pointer passed or header and trailer markers
+ * are missing or corrupted
+ * 0 on success
+ */
+int
+rte_malloc_validate(const void *ptr, size_t *size);
+
+/**
+ * Get heap statistics for the specified heap.
+ *
+ * @param socket
+ * An unsigned integer specifying the socket to get heap statistics for
+ * @param socket_stats
+ * A structure which provides memory to store statistics
+ * @return
+ * Null on error
+ * Pointer to structure storing statistics on success
+ */
+int
+rte_malloc_get_socket_stats(int socket,
+ struct rte_malloc_socket_stats *socket_stats);
+
+/**
+ * Dump statistics.
+ *
+ * Dump for the specified type to the console. If the type argument is
+ * NULL, all memory types will be dumped.
+ *
+ * @param f
+ * A pointer to a file for output
+ * @param type
+ * A string identifying the type of objects to dump, or NULL
+ * to dump all objects.
+ */
+void
+rte_malloc_dump_stats(FILE *f, const char *type);
+
+/**
+ * Set the maximum amount of allocated memory for this type.
+ *
+ * This is not yet implemented
+ *
+ * @param type
+ * A string identifying the type of allocated objects.
+ * @param max
+ * The maximum amount of allocated bytes for this type.
+ * @return
+ * - 0: Success.
+ * - (-1): Error.
+ */
+int
+rte_malloc_set_limit(const char *type, size_t max);
+
+/**
+ * Return the physical address of a virtual address obtained through
+ * rte_malloc
+ *
+ * @param addr
+ * Adress obtained from a previous rte_malloc call
+ * @return
+ * NULL on error
+ * otherwise return physical address of the buffer
+ */
+phys_addr_t
+rte_malloc_virt2phy(const void *addr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_MALLOC_H_ */
--- /dev/null
+/*-
+ * 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.
+ */
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_launch.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_debug.h>
+#include <rte_common.h>
+#include <rte_spinlock.h>
+
+#include "malloc_elem.h"
+#include "malloc_heap.h"
+
+#define MIN_DATA_SIZE (RTE_CACHE_LINE_SIZE)
+
+/*
+ * initialise a general malloc_elem header structure
+ */
+void
+malloc_elem_init(struct malloc_elem *elem,
+ struct malloc_heap *heap, const struct rte_memzone *mz, size_t size)
+{
+ elem->heap = heap;
+ elem->mz = mz;
+ elem->prev = NULL;
+ memset(&elem->free_list, 0, sizeof(elem->free_list));
+ elem->state = ELEM_FREE;
+ elem->size = size;
+ elem->pad = 0;
+ set_header(elem);
+ set_trailer(elem);
+}
+
+/*
+ * initialise a dummy malloc_elem header for the end-of-memzone marker
+ */
+void
+malloc_elem_mkend(struct malloc_elem *elem, struct malloc_elem *prev)
+{
+ malloc_elem_init(elem, prev->heap, prev->mz, 0);
+ elem->prev = prev;
+ elem->state = ELEM_BUSY; /* mark busy so its never merged */
+}
+
+/*
+ * calculate the starting point of where data of the requested size
+ * and alignment would fit in the current element. If the data doesn't
+ * fit, return NULL.
+ */
+static void *
+elem_start_pt(struct malloc_elem *elem, size_t size, unsigned align)
+{
+ const uintptr_t end_pt = (uintptr_t)elem +
+ elem->size - MALLOC_ELEM_TRAILER_LEN;
+ const uintptr_t new_data_start = RTE_ALIGN_FLOOR((end_pt - size), align);
+ const uintptr_t new_elem_start = new_data_start - MALLOC_ELEM_HEADER_LEN;
+
+ /* if the new start point is before the exist start, it won't fit */
+ return (new_elem_start < (uintptr_t)elem) ? NULL : (void *)new_elem_start;
+}
+
+/*
+ * use elem_start_pt to determine if we get meet the size and
+ * alignment request from the current element
+ */
+int
+malloc_elem_can_hold(struct malloc_elem *elem, size_t size, unsigned align)
+{
+ return elem_start_pt(elem, size, align) != NULL;
+}
+
+/*
+ * split an existing element into two smaller elements at the given
+ * split_pt parameter.
+ */
+static void
+split_elem(struct malloc_elem *elem, struct malloc_elem *split_pt)
+{
+ struct malloc_elem *next_elem = RTE_PTR_ADD(elem, elem->size);
+ const unsigned old_elem_size = (uintptr_t)split_pt - (uintptr_t)elem;
+ const unsigned new_elem_size = elem->size - old_elem_size;
+
+ malloc_elem_init(split_pt, elem->heap, elem->mz, new_elem_size);
+ split_pt->prev = elem;
+ next_elem->prev = split_pt;
+ elem->size = old_elem_size;
+ set_trailer(elem);
+}
+
+/*
+ * Given an element size, compute its freelist index.
+ * We free an element into the freelist containing similarly-sized elements.
+ * We try to allocate elements starting with the freelist containing
+ * similarly-sized elements, and if necessary, we search freelists
+ * containing larger elements.
+ *
+ * Example element size ranges for a heap with five free lists:
+ * heap->free_head[0] - (0 , 2^8]
+ * heap->free_head[1] - (2^8 , 2^10]
+ * heap->free_head[2] - (2^10 ,2^12]
+ * heap->free_head[3] - (2^12, 2^14]
+ * heap->free_head[4] - (2^14, MAX_SIZE]
+ */
+size_t
+malloc_elem_free_list_index(size_t size)
+{
+#define MALLOC_MINSIZE_LOG2 8
+#define MALLOC_LOG2_INCREMENT 2
+
+ size_t log2;
+ size_t index;
+
+ if (size <= (1UL << MALLOC_MINSIZE_LOG2))
+ return 0;
+
+ /* Find next power of 2 >= size. */
+ log2 = sizeof(size) * 8 - __builtin_clzl(size-1);
+
+ /* Compute freelist index, based on log2(size). */
+ index = (log2 - MALLOC_MINSIZE_LOG2 + MALLOC_LOG2_INCREMENT - 1) /
+ MALLOC_LOG2_INCREMENT;
+
+ return (index <= RTE_HEAP_NUM_FREELISTS-1?
+ index: RTE_HEAP_NUM_FREELISTS-1);
+}
+
+/*
+ * Add the specified element to its heap's free list.
+ */
+void
+malloc_elem_free_list_insert(struct malloc_elem *elem)
+{
+ size_t idx = malloc_elem_free_list_index(elem->size - MALLOC_ELEM_HEADER_LEN);
+
+ elem->state = ELEM_FREE;
+ LIST_INSERT_HEAD(&elem->heap->free_head[idx], elem, free_list);
+}
+
+/*
+ * Remove the specified element from its heap's free list.
+ */
+static void
+elem_free_list_remove(struct malloc_elem *elem)
+{
+ LIST_REMOVE(elem, free_list);
+}
+
+/*
+ * reserve a block of data in an existing malloc_elem. If the malloc_elem
+ * is much larger than the data block requested, we split the element in two.
+ * This function is only called from malloc_heap_alloc so parameter checking
+ * is not done here, as it's done there previously.
+ */
+struct malloc_elem *
+malloc_elem_alloc(struct malloc_elem *elem, size_t size, unsigned align)
+{
+ struct malloc_elem *new_elem = elem_start_pt(elem, size, align);
+ const unsigned old_elem_size = (uintptr_t)new_elem - (uintptr_t)elem;
+
+ if (old_elem_size < MALLOC_ELEM_OVERHEAD + MIN_DATA_SIZE){
+ /* don't split it, pad the element instead */
+ elem->state = ELEM_BUSY;
+ elem->pad = old_elem_size;
+
+ /* put a dummy header in padding, to point to real element header */
+ if (elem->pad > 0){ /* pad will be at least 64-bytes, as everything
+ * is cache-line aligned */
+ new_elem->pad = elem->pad;
+ new_elem->state = ELEM_PAD;
+ new_elem->size = elem->size - elem->pad;
+ set_header(new_elem);
+ }
+ /* remove element from free list */
+ elem_free_list_remove(elem);
+
+ return new_elem;
+ }
+
+ /* we are going to split the element in two. The original element
+ * remains free, and the new element is the one allocated.
+ * Re-insert original element, in case its new size makes it
+ * belong on a different list.
+ */
+ elem_free_list_remove(elem);
+ split_elem(elem, new_elem);
+ new_elem->state = ELEM_BUSY;
+ malloc_elem_free_list_insert(elem);
+
+ return new_elem;
+}
+
+/*
+ * joing two struct malloc_elem together. elem1 and elem2 must
+ * be contiguous in memory.
+ */
+static inline void
+join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2)
+{
+ struct malloc_elem *next = RTE_PTR_ADD(elem2, elem2->size);
+ elem1->size += elem2->size;
+ next->prev = elem1;
+}
+
+/*
+ * free a malloc_elem block by adding it to the free list. If the
+ * blocks either immediately before or immediately after newly freed block
+ * are also free, the blocks are merged together.
+ */
+int
+malloc_elem_free(struct malloc_elem *elem)
+{
+ if (!malloc_elem_cookies_ok(elem) || elem->state != ELEM_BUSY)
+ return -1;
+
+ rte_spinlock_lock(&(elem->heap->lock));
+ struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
+ if (next->state == ELEM_FREE){
+ /* remove from free list, join to this one */
+ elem_free_list_remove(next);
+ join_elem(elem, next);
+ }
+
+ /* check if previous element is free, if so join with it and return,
+ * need to re-insert in free list, as that element's size is changing
+ */
+ if (elem->prev != NULL && elem->prev->state == ELEM_FREE) {
+ elem_free_list_remove(elem->prev);
+ join_elem(elem->prev, elem);
+ malloc_elem_free_list_insert(elem->prev);
+ }
+ /* otherwise add ourselves to the free list */
+ else {
+ malloc_elem_free_list_insert(elem);
+ elem->pad = 0;
+ }
+ /* decrease heap's count of allocated elements */
+ elem->heap->alloc_count--;
+ rte_spinlock_unlock(&(elem->heap->lock));
+
+ return 0;
+}
+
+/*
+ * attempt to resize a malloc_elem by expanding into any free space
+ * immediately after it in memory.
+ */
+int
+malloc_elem_resize(struct malloc_elem *elem, size_t size)
+{
+ const size_t new_size = size + MALLOC_ELEM_OVERHEAD;
+ /* if we request a smaller size, then always return ok */
+ const size_t current_size = elem->size - elem->pad;
+ if (current_size >= new_size)
+ return 0;
+
+ struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
+ rte_spinlock_lock(&elem->heap->lock);
+ if (next ->state != ELEM_FREE)
+ goto err_return;
+ if (current_size + next->size < new_size)
+ goto err_return;
+
+ /* we now know the element fits, so remove from free list,
+ * join the two
+ */
+ elem_free_list_remove(next);
+ join_elem(elem, next);
+
+ if (elem->size - new_size >= MIN_DATA_SIZE + MALLOC_ELEM_OVERHEAD){
+ /* now we have a big block together. Lets cut it down a bit, by splitting */
+ struct malloc_elem *split_pt = RTE_PTR_ADD(elem, new_size);
+ split_pt = RTE_PTR_ALIGN_CEIL(split_pt, RTE_CACHE_LINE_SIZE);
+ split_elem(elem, split_pt);
+ malloc_elem_free_list_insert(split_pt);
+ }
+ rte_spinlock_unlock(&elem->heap->lock);
+ return 0;
+
+err_return:
+ rte_spinlock_unlock(&elem->heap->lock);
+ return -1;
+}
--- /dev/null
+/*-
+ * 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 MALLOC_ELEM_H_
+#define MALLOC_ELEM_H_
+
+#include <rte_memory.h>
+
+/* dummy definition of struct so we can use pointers to it in malloc_elem struct */
+struct malloc_heap;
+
+enum elem_state {
+ ELEM_FREE = 0,
+ ELEM_BUSY,
+ ELEM_PAD /* element is a padding-only header */
+};
+
+struct malloc_elem {
+ struct malloc_heap *heap;
+ struct malloc_elem *volatile prev; /* points to prev elem in memzone */
+ LIST_ENTRY(malloc_elem) free_list; /* list of free elements in heap */
+ const struct rte_memzone *mz;
+ volatile enum elem_state state;
+ uint32_t pad;
+ size_t size;
+#ifdef RTE_LIBRTE_MALLOC_DEBUG
+ uint64_t header_cookie; /* Cookie marking start of data */
+ /* trailer cookie at start + size */
+#endif
+} __rte_cache_aligned;
+
+#ifndef RTE_LIBRTE_MALLOC_DEBUG
+static const unsigned MALLOC_ELEM_TRAILER_LEN = 0;
+
+/* dummy function - just check if pointer is non-null */
+static inline int
+malloc_elem_cookies_ok(const struct malloc_elem *elem){ return elem != NULL; }
+
+/* dummy function - no header if malloc_debug is not enabled */
+static inline void
+set_header(struct malloc_elem *elem __rte_unused){ }
+
+/* dummy function - no trailer if malloc_debug is not enabled */
+static inline void
+set_trailer(struct malloc_elem *elem __rte_unused){ }
+
+
+#else
+static const unsigned MALLOC_ELEM_TRAILER_LEN = RTE_CACHE_LINE_SIZE;
+
+#define MALLOC_HEADER_COOKIE 0xbadbadbadadd2e55ULL /**< Header cookie. */
+#define MALLOC_TRAILER_COOKIE 0xadd2e55badbadbadULL /**< Trailer cookie.*/
+
+/* define macros to make referencing the header and trailer cookies easier */
+#define MALLOC_ELEM_TRAILER(elem) (*((uint64_t*)RTE_PTR_ADD(elem, \
+ elem->size - MALLOC_ELEM_TRAILER_LEN)))
+#define MALLOC_ELEM_HEADER(elem) (elem->header_cookie)
+
+static inline void
+set_header(struct malloc_elem *elem)
+{
+ if (elem != NULL)
+ MALLOC_ELEM_HEADER(elem) = MALLOC_HEADER_COOKIE;
+}
+
+static inline void
+set_trailer(struct malloc_elem *elem)
+{
+ if (elem != NULL)
+ MALLOC_ELEM_TRAILER(elem) = MALLOC_TRAILER_COOKIE;
+}
+
+/* check that the header and trailer cookies are set correctly */
+static inline int
+malloc_elem_cookies_ok(const struct malloc_elem *elem)
+{
+ return (elem != NULL &&
+ MALLOC_ELEM_HEADER(elem) == MALLOC_HEADER_COOKIE &&
+ MALLOC_ELEM_TRAILER(elem) == MALLOC_TRAILER_COOKIE);
+}
+
+#endif
+
+static const unsigned MALLOC_ELEM_HEADER_LEN = sizeof(struct malloc_elem);
+#define MALLOC_ELEM_OVERHEAD (MALLOC_ELEM_HEADER_LEN + MALLOC_ELEM_TRAILER_LEN)
+
+/*
+ * Given a pointer to the start of a memory block returned by malloc, get
+ * the actual malloc_elem header for that block.
+ */
+static inline struct malloc_elem *
+malloc_elem_from_data(const void *data)
+{
+ if (data == NULL)
+ return NULL;
+
+ struct malloc_elem *elem = RTE_PTR_SUB(data, MALLOC_ELEM_HEADER_LEN);
+ if (!malloc_elem_cookies_ok(elem))
+ return NULL;
+ return elem->state != ELEM_PAD ? elem: RTE_PTR_SUB(elem, elem->pad);
+}
+
+/*
+ * initialise a malloc_elem header
+ */
+void
+malloc_elem_init(struct malloc_elem *elem,
+ struct malloc_heap *heap,
+ const struct rte_memzone *mz,
+ size_t size);
+
+/*
+ * initialise a dummy malloc_elem header for the end-of-memzone marker
+ */
+void
+malloc_elem_mkend(struct malloc_elem *elem,
+ struct malloc_elem *prev_free);
+
+/*
+ * return true if the current malloc_elem can hold a block of data
+ * of the requested size and with the requested alignment
+ */
+int
+malloc_elem_can_hold(struct malloc_elem *elem, size_t size, unsigned align);
+
+/*
+ * reserve a block of data in an existing malloc_elem. If the malloc_elem
+ * is much larger than the data block requested, we split the element in two.
+ */
+struct malloc_elem *
+malloc_elem_alloc(struct malloc_elem *elem, size_t size, unsigned align);
+
+/*
+ * free a malloc_elem block by adding it to the free list. If the
+ * blocks either immediately before or immediately after newly freed block
+ * are also free, the blocks are merged together.
+ */
+int
+malloc_elem_free(struct malloc_elem *elem);
+
+/*
+ * attempt to resize a malloc_elem by expanding into any free space
+ * immediately after it in memory.
+ */
+int
+malloc_elem_resize(struct malloc_elem *elem, size_t size);
+
+/*
+ * Given an element size, compute its freelist index.
+ */
+size_t
+malloc_elem_free_list_index(size_t size);
+
+/*
+ * Add element to its heap's free list.
+ */
+void
+malloc_elem_free_list_insert(struct malloc_elem *elem);
+
+#endif /* MALLOC_ELEM_H_ */
--- /dev/null
+/*-
+ * 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.
+ */
+#include <stdint.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_eal_memconfig.h>
+#include <rte_launch.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_common.h>
+#include <rte_string_fns.h>
+#include <rte_spinlock.h>
+#include <rte_memcpy.h>
+#include <rte_atomic.h>
+
+#include "malloc_elem.h"
+#include "malloc_heap.h"
+
+/* since the memzone size starts with a digit, it will appear unquoted in
+ * rte_config.h, so quote it so it can be passed to rte_str_to_size */
+#define MALLOC_MEMZONE_SIZE RTE_STR(RTE_MALLOC_MEMZONE_SIZE)
+
+/*
+ * returns the configuration setting for the memzone size as a size_t value
+ */
+static inline size_t
+get_malloc_memzone_size(void)
+{
+ return rte_str_to_size(MALLOC_MEMZONE_SIZE);
+}
+
+/*
+ * reserve an extra memory zone and make it available for use by a particular
+ * heap. This reserves the zone and sets a dummy malloc_elem header at the end
+ * to prevent overflow. The rest of the zone is added to free list as a single
+ * large free block
+ */
+static int
+malloc_heap_add_memzone(struct malloc_heap *heap, size_t size, unsigned align)
+{
+ const unsigned mz_flags = 0;
+ const size_t block_size = get_malloc_memzone_size();
+ /* ensure the data we want to allocate will fit in the memzone */
+ const size_t min_size = size + align + MALLOC_ELEM_OVERHEAD * 2;
+ const struct rte_memzone *mz = NULL;
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ unsigned numa_socket = heap - mcfg->malloc_heaps;
+
+ size_t mz_size = min_size;
+ if (mz_size < block_size)
+ mz_size = block_size;
+
+ char mz_name[RTE_MEMZONE_NAMESIZE];
+ snprintf(mz_name, sizeof(mz_name), "MALLOC_S%u_HEAP_%u",
+ numa_socket, heap->mz_count++);
+
+ /* try getting a block. if we fail and we don't need as big a block
+ * as given in the config, we can shrink our request and try again
+ */
+ do {
+ mz = rte_memzone_reserve(mz_name, mz_size, numa_socket,
+ mz_flags);
+ if (mz == NULL)
+ mz_size /= 2;
+ } while (mz == NULL && mz_size > min_size);
+ if (mz == NULL)
+ return -1;
+
+ /* allocate the memory block headers, one at end, one at start */
+ struct malloc_elem *start_elem = (struct malloc_elem *)mz->addr;
+ struct malloc_elem *end_elem = RTE_PTR_ADD(mz->addr,
+ mz_size - MALLOC_ELEM_OVERHEAD);
+ end_elem = RTE_PTR_ALIGN_FLOOR(end_elem, RTE_CACHE_LINE_SIZE);
+
+ const unsigned elem_size = (uintptr_t)end_elem - (uintptr_t)start_elem;
+ malloc_elem_init(start_elem, heap, mz, elem_size);
+ malloc_elem_mkend(end_elem, start_elem);
+ malloc_elem_free_list_insert(start_elem);
+
+ /* increase heap total size by size of new memzone */
+ heap->total_size+=mz_size - MALLOC_ELEM_OVERHEAD;
+ return 0;
+}
+
+/*
+ * Iterates through the freelist for a heap to find a free element
+ * which can store data of the required size and with the requested alignment.
+ * Returns null on failure, or pointer to element on success.
+ */
+static struct malloc_elem *
+find_suitable_element(struct malloc_heap *heap, size_t size, unsigned align)
+{
+ size_t idx;
+ struct malloc_elem *elem;
+
+ for (idx = malloc_elem_free_list_index(size);
+ idx < RTE_HEAP_NUM_FREELISTS; idx++)
+ {
+ for (elem = LIST_FIRST(&heap->free_head[idx]);
+ !!elem; elem = LIST_NEXT(elem, free_list))
+ {
+ if (malloc_elem_can_hold(elem, size, align))
+ return elem;
+ }
+ }
+ return NULL;
+}
+
+/*
+ * Main function called by malloc to allocate a block of memory from the
+ * heap. It locks the free list, scans it, and adds a new memzone if the
+ * scan fails. Once the new memzone is added, it re-scans and should return
+ * the new element after releasing the lock.
+ */
+void *
+malloc_heap_alloc(struct malloc_heap *heap,
+ const char *type __attribute__((unused)), size_t size, unsigned align)
+{
+ size = RTE_CACHE_LINE_ROUNDUP(size);
+ align = RTE_CACHE_LINE_ROUNDUP(align);
+ rte_spinlock_lock(&heap->lock);
+ struct malloc_elem *elem = find_suitable_element(heap, size, align);
+ if (elem == NULL){
+ if ((malloc_heap_add_memzone(heap, size, align)) == 0)
+ elem = find_suitable_element(heap, size, align);
+ }
+
+ if (elem != NULL){
+ elem = malloc_elem_alloc(elem, size, align);
+ /* increase heap's count of allocated elements */
+ heap->alloc_count++;
+ }
+ rte_spinlock_unlock(&heap->lock);
+ return elem == NULL ? NULL : (void *)(&elem[1]);
+
+}
+
+/*
+ * Function to retrieve data for heap on given socket
+ */
+int
+malloc_heap_get_stats(const struct malloc_heap *heap,
+ struct rte_malloc_socket_stats *socket_stats)
+{
+ size_t idx;
+ struct malloc_elem *elem;
+
+ /* Initialise variables for heap */
+ socket_stats->free_count = 0;
+ socket_stats->heap_freesz_bytes = 0;
+ socket_stats->greatest_free_size = 0;
+
+ /* Iterate through free list */
+ for (idx = 0; idx < RTE_HEAP_NUM_FREELISTS; idx++) {
+ for (elem = LIST_FIRST(&heap->free_head[idx]);
+ !!elem; elem = LIST_NEXT(elem, free_list))
+ {
+ socket_stats->free_count++;
+ socket_stats->heap_freesz_bytes += elem->size;
+ if (elem->size > socket_stats->greatest_free_size)
+ socket_stats->greatest_free_size = elem->size;
+ }
+ }
+ /* Get stats on overall heap and allocated memory on this heap */
+ socket_stats->heap_totalsz_bytes = heap->total_size;
+ socket_stats->heap_allocsz_bytes = (socket_stats->heap_totalsz_bytes -
+ socket_stats->heap_freesz_bytes);
+ socket_stats->alloc_count = heap->alloc_count;
+ return 0;
+}
--- /dev/null
+/*-
+ * 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 MALLOC_HEAP_H_
+#define MALLOC_HEAP_H_
+
+#include <rte_malloc.h>
+#include <rte_malloc_heap.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline unsigned
+malloc_get_numa_socket(void)
+{
+ unsigned socket_id = rte_socket_id();
+
+ if (socket_id == (unsigned)SOCKET_ID_ANY)
+ return 0;
+
+ return socket_id;
+}
+
+void *
+malloc_heap_alloc(struct malloc_heap *heap, const char *type,
+ size_t size, unsigned align);
+
+int
+malloc_heap_get_stats(const struct malloc_heap *heap,
+ struct rte_malloc_socket_stats *socket_stats);
+
+int
+rte_eal_heap_memzone_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MALLOC_HEAP_H_ */
--- /dev/null
+/*-
+ * 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.
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/queue.h>
+
+#include <rte_memcpy.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_eal_memconfig.h>
+#include <rte_branch_prediction.h>
+#include <rte_debug.h>
+#include <rte_launch.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_common.h>
+#include <rte_spinlock.h>
+
+#include <rte_malloc.h>
+#include "malloc_elem.h"
+#include "malloc_heap.h"
+
+
+/* Free the memory space back to heap */
+void rte_free(void *addr)
+{
+ if (addr == NULL) return;
+ if (malloc_elem_free(malloc_elem_from_data(addr)) < 0)
+ rte_panic("Fatal error: Invalid memory\n");
+}
+
+/*
+ * Allocate memory on specified heap.
+ */
+void *
+rte_malloc_socket(const char *type, size_t size, unsigned align, int socket_arg)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+ int socket, i;
+ void *ret;
+
+ /* return NULL if size is 0 or alignment is not power-of-2 */
+ if (size == 0 || (align && !rte_is_power_of_2(align)))
+ return NULL;
+
+ if (socket_arg == SOCKET_ID_ANY)
+ socket = malloc_get_numa_socket();
+ else
+ socket = socket_arg;
+
+ /* Check socket parameter */
+ if (socket >= RTE_MAX_NUMA_NODES)
+ return NULL;
+
+ ret = malloc_heap_alloc(&mcfg->malloc_heaps[socket], type,
+ size, align == 0 ? 1 : align);
+ if (ret != NULL || socket_arg != SOCKET_ID_ANY)
+ return ret;
+
+ /* try other heaps */
+ for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
+ /* we already tried this one */
+ if (i == socket)
+ continue;
+
+ ret = malloc_heap_alloc(&mcfg->malloc_heaps[i], type,
+ size, align == 0 ? 1 : align);
+ if (ret != NULL)
+ return ret;
+ }
+
+ return NULL;
+}
+
+/*
+ * Allocate memory on default heap.
+ */
+void *
+rte_malloc(const char *type, size_t size, unsigned align)
+{
+ return rte_malloc_socket(type, size, align, SOCKET_ID_ANY);
+}
+
+/*
+ * Allocate zero'd memory on specified heap.
+ */
+void *
+rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket)
+{
+ void *ptr = rte_malloc_socket(type, size, align, socket);
+
+ if (ptr != NULL)
+ memset(ptr, 0, size);
+ return ptr;
+}
+
+/*
+ * Allocate zero'd memory on default heap.
+ */
+void *
+rte_zmalloc(const char *type, size_t size, unsigned align)
+{
+ return rte_zmalloc_socket(type, size, align, SOCKET_ID_ANY);
+}
+
+/*
+ * Allocate zero'd memory on specified heap.
+ */
+void *
+rte_calloc_socket(const char *type, size_t num, size_t size, unsigned align, int socket)
+{
+ return rte_zmalloc_socket(type, num * size, align, socket);
+}
+
+/*
+ * Allocate zero'd memory on default heap.
+ */
+void *
+rte_calloc(const char *type, size_t num, size_t size, unsigned align)
+{
+ return rte_zmalloc(type, num * size, align);
+}
+
+/*
+ * Resize allocated memory.
+ */
+void *
+rte_realloc(void *ptr, size_t size, unsigned align)
+{
+ if (ptr == NULL)
+ return rte_malloc(NULL, size, align);
+
+ struct malloc_elem *elem = malloc_elem_from_data(ptr);
+ if (elem == NULL)
+ rte_panic("Fatal error: memory corruption detected\n");
+
+ size = RTE_CACHE_LINE_ROUNDUP(size), align = RTE_CACHE_LINE_ROUNDUP(align);
+ /* check alignment matches first, and if ok, see if we can resize block */
+ if (RTE_PTR_ALIGN(ptr,align) == ptr &&
+ malloc_elem_resize(elem, size) == 0)
+ return ptr;
+
+ /* either alignment is off, or we have no room to expand,
+ * so move data. */
+ void *new_ptr = rte_malloc(NULL, size, align);
+ if (new_ptr == NULL)
+ return NULL;
+ const unsigned old_size = elem->size - MALLOC_ELEM_OVERHEAD;
+ rte_memcpy(new_ptr, ptr, old_size < size ? old_size : size);
+ rte_free(ptr);
+
+ return new_ptr;
+}
+
+int
+rte_malloc_validate(const void *ptr, size_t *size)
+{
+ const struct malloc_elem *elem = malloc_elem_from_data(ptr);
+ if (!malloc_elem_cookies_ok(elem))
+ return -1;
+ if (size != NULL)
+ *size = elem->size - elem->pad - MALLOC_ELEM_OVERHEAD;
+ return 0;
+}
+
+/*
+ * Function to retrieve data for heap on given socket
+ */
+int
+rte_malloc_get_socket_stats(int socket,
+ struct rte_malloc_socket_stats *socket_stats)
+{
+ struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
+
+ if (socket >= RTE_MAX_NUMA_NODES || socket < 0)
+ return -1;
+
+ return malloc_heap_get_stats(&mcfg->malloc_heaps[socket], socket_stats);
+}
+
+/*
+ * Print stats on memory type. If type is NULL, info on all types is printed
+ */
+void
+rte_malloc_dump_stats(FILE *f, __rte_unused const char *type)
+{
+ unsigned int socket;
+ struct rte_malloc_socket_stats sock_stats;
+ /* Iterate through all initialised heaps */
+ for (socket=0; socket< RTE_MAX_NUMA_NODES; socket++) {
+ if ((rte_malloc_get_socket_stats(socket, &sock_stats) < 0))
+ continue;
+
+ fprintf(f, "Socket:%u\n", socket);
+ fprintf(f, "\tHeap_size:%zu,\n", sock_stats.heap_totalsz_bytes);
+ fprintf(f, "\tFree_size:%zu,\n", sock_stats.heap_freesz_bytes);
+ fprintf(f, "\tAlloc_size:%zu,\n", sock_stats.heap_allocsz_bytes);
+ fprintf(f, "\tGreatest_free_size:%zu,\n",
+ sock_stats.greatest_free_size);
+ fprintf(f, "\tAlloc_count:%u,\n",sock_stats.alloc_count);
+ fprintf(f, "\tFree_count:%u,\n", sock_stats.free_count);
+ }
+ return;
+}
+
+/*
+ * TODO: Set limit to memory that can be allocated to memory type
+ */
+int
+rte_malloc_set_limit(__rte_unused const char *type,
+ __rte_unused size_t max)
+{
+ return 0;
+}
+
+/*
+ * Return the physical address of a virtual address obtained through rte_malloc
+ */
+phys_addr_t
+rte_malloc_virt2phy(const void *addr)
+{
+ const struct malloc_elem *elem = malloc_elem_from_data(addr);
+ if (elem == NULL)
+ return 0;
+ return elem->mz->phys_addr + ((uintptr_t)addr - (uintptr_t)elem->mz->addr);
+}
CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
CFLAGS += -I$(RTE_SDK)/lib/librte_ring
CFLAGS += -I$(RTE_SDK)/lib/librte_mempool
-CFLAGS += -I$(RTE_SDK)/lib/librte_malloc
CFLAGS += -I$(RTE_SDK)/lib/librte_ether
CFLAGS += -I$(RTE_SDK)/lib/librte_ivshmem
CFLAGS += -I$(RTE_SDK)/drivers/net/ring
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_dev.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_options.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_thread.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += rte_malloc.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += malloc_elem.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += malloc_heap.c
CFLAGS_eal.o := -D_GNU_SOURCE
CFLAGS_eal_interrupts.o := -D_GNU_SOURCE
pci_driver_list;
per_lcore__lcore_id;
per_lcore__rte_errno;
+ rte_calloc;
+ rte_calloc_socket;
rte_cpu_check_supported;
rte_cpu_get_flag_enabled;
rte_cycles_vmware_tsc_map;
rte_eal_vdev_uninit;
rte_eal_wait_lcore;
rte_exit;
+ rte_free;
rte_get_hpet_cycles;
rte_get_hpet_hz;
rte_get_tsc_hz;
rte_log_dump_history;
rte_log_set_history;
rte_logs;
+ rte_malloc;
+ rte_malloc_dump_stats;
+ rte_malloc_get_socket_stats;
+ rte_malloc_set_limit;
+ rte_malloc_socket;
+ rte_malloc_validate;
+ rte_malloc_virt2phy;
rte_mem_lock_page;
rte_mem_phy2mch;
rte_mem_virt2phy;
rte_memzone_reserve_bounded;
rte_memzone_walk;
rte_openlog_stream;
+ rte_realloc;
rte_set_application_usage_hook;
rte_set_log_level;
rte_set_log_type;
rte_vlog;
rte_xen_dom0_memory_attach;
rte_xen_dom0_memory_init;
+ rte_zmalloc;
+ rte_zmalloc_socket;
test_mp_secondary;
local: *;
SYMLINK-$(CONFIG_RTE_LIBRTE_HASH)-include += rte_fbk_hash.h
# this lib needs eal and ring
-DEPDIRS-$(CONFIG_RTE_LIBRTE_HASH) += lib/librte_eal lib/librte_malloc lib/librte_ring
+DEPDIRS-$(CONFIG_RTE_LIBRTE_HASH) += lib/librte_eal lib/librte_ring
include $(RTE_SDK)/mk/rte.lib.mk
SYMLINK-$(CONFIG_RTE_LIBRTE_LPM)-include := rte_lpm.h rte_lpm6.h
# this lib needs eal
-DEPDIRS-$(CONFIG_RTE_LIBRTE_LPM) += lib/librte_eal lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_LPM) += lib/librte_eal
include $(RTE_SDK)/mk/rte.lib.mk
# 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.
-
include $(RTE_SDK)/mk/rte.vars.mk
# library name
EXPORT_MAP := rte_malloc_version.map
# all source are stored in SRCS-y
-SRCS-$(CONFIG_RTE_LIBRTE_MALLOC) := rte_malloc.c malloc_elem.c malloc_heap.c
-
-# install includes
-SYMLINK-$(CONFIG_RTE_LIBRTE_MALLOC)-include := rte_malloc.h
+SRCS-$(CONFIG_RTE_LIBRTE_MALLOC) := rte_malloc.c
# this lib needs eal
DEPDIRS-$(CONFIG_RTE_LIBRTE_MALLOC) += lib/librte_eal
+++ /dev/null
-/*-
- * 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.
- */
-#include <stdint.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/queue.h>
-
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_eal.h>
-#include <rte_launch.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_debug.h>
-#include <rte_common.h>
-#include <rte_spinlock.h>
-
-#include "malloc_elem.h"
-#include "malloc_heap.h"
-
-#define MIN_DATA_SIZE (RTE_CACHE_LINE_SIZE)
-
-/*
- * initialise a general malloc_elem header structure
- */
-void
-malloc_elem_init(struct malloc_elem *elem,
- struct malloc_heap *heap, const struct rte_memzone *mz, size_t size)
-{
- elem->heap = heap;
- elem->mz = mz;
- elem->prev = NULL;
- memset(&elem->free_list, 0, sizeof(elem->free_list));
- elem->state = ELEM_FREE;
- elem->size = size;
- elem->pad = 0;
- set_header(elem);
- set_trailer(elem);
-}
-
-/*
- * initialise a dummy malloc_elem header for the end-of-memzone marker
- */
-void
-malloc_elem_mkend(struct malloc_elem *elem, struct malloc_elem *prev)
-{
- malloc_elem_init(elem, prev->heap, prev->mz, 0);
- elem->prev = prev;
- elem->state = ELEM_BUSY; /* mark busy so its never merged */
-}
-
-/*
- * calculate the starting point of where data of the requested size
- * and alignment would fit in the current element. If the data doesn't
- * fit, return NULL.
- */
-static void *
-elem_start_pt(struct malloc_elem *elem, size_t size, unsigned align)
-{
- const uintptr_t end_pt = (uintptr_t)elem +
- elem->size - MALLOC_ELEM_TRAILER_LEN;
- const uintptr_t new_data_start = RTE_ALIGN_FLOOR((end_pt - size), align);
- const uintptr_t new_elem_start = new_data_start - MALLOC_ELEM_HEADER_LEN;
-
- /* if the new start point is before the exist start, it won't fit */
- return (new_elem_start < (uintptr_t)elem) ? NULL : (void *)new_elem_start;
-}
-
-/*
- * use elem_start_pt to determine if we get meet the size and
- * alignment request from the current element
- */
-int
-malloc_elem_can_hold(struct malloc_elem *elem, size_t size, unsigned align)
-{
- return elem_start_pt(elem, size, align) != NULL;
-}
-
-/*
- * split an existing element into two smaller elements at the given
- * split_pt parameter.
- */
-static void
-split_elem(struct malloc_elem *elem, struct malloc_elem *split_pt)
-{
- struct malloc_elem *next_elem = RTE_PTR_ADD(elem, elem->size);
- const unsigned old_elem_size = (uintptr_t)split_pt - (uintptr_t)elem;
- const unsigned new_elem_size = elem->size - old_elem_size;
-
- malloc_elem_init(split_pt, elem->heap, elem->mz, new_elem_size);
- split_pt->prev = elem;
- next_elem->prev = split_pt;
- elem->size = old_elem_size;
- set_trailer(elem);
-}
-
-/*
- * Given an element size, compute its freelist index.
- * We free an element into the freelist containing similarly-sized elements.
- * We try to allocate elements starting with the freelist containing
- * similarly-sized elements, and if necessary, we search freelists
- * containing larger elements.
- *
- * Example element size ranges for a heap with five free lists:
- * heap->free_head[0] - (0 , 2^8]
- * heap->free_head[1] - (2^8 , 2^10]
- * heap->free_head[2] - (2^10 ,2^12]
- * heap->free_head[3] - (2^12, 2^14]
- * heap->free_head[4] - (2^14, MAX_SIZE]
- */
-size_t
-malloc_elem_free_list_index(size_t size)
-{
-#define MALLOC_MINSIZE_LOG2 8
-#define MALLOC_LOG2_INCREMENT 2
-
- size_t log2;
- size_t index;
-
- if (size <= (1UL << MALLOC_MINSIZE_LOG2))
- return 0;
-
- /* Find next power of 2 >= size. */
- log2 = sizeof(size) * 8 - __builtin_clzl(size-1);
-
- /* Compute freelist index, based on log2(size). */
- index = (log2 - MALLOC_MINSIZE_LOG2 + MALLOC_LOG2_INCREMENT - 1) /
- MALLOC_LOG2_INCREMENT;
-
- return (index <= RTE_HEAP_NUM_FREELISTS-1?
- index: RTE_HEAP_NUM_FREELISTS-1);
-}
-
-/*
- * Add the specified element to its heap's free list.
- */
-void
-malloc_elem_free_list_insert(struct malloc_elem *elem)
-{
- size_t idx = malloc_elem_free_list_index(elem->size - MALLOC_ELEM_HEADER_LEN);
-
- elem->state = ELEM_FREE;
- LIST_INSERT_HEAD(&elem->heap->free_head[idx], elem, free_list);
-}
-
-/*
- * Remove the specified element from its heap's free list.
- */
-static void
-elem_free_list_remove(struct malloc_elem *elem)
-{
- LIST_REMOVE(elem, free_list);
-}
-
-/*
- * reserve a block of data in an existing malloc_elem. If the malloc_elem
- * is much larger than the data block requested, we split the element in two.
- * This function is only called from malloc_heap_alloc so parameter checking
- * is not done here, as it's done there previously.
- */
-struct malloc_elem *
-malloc_elem_alloc(struct malloc_elem *elem, size_t size, unsigned align)
-{
- struct malloc_elem *new_elem = elem_start_pt(elem, size, align);
- const unsigned old_elem_size = (uintptr_t)new_elem - (uintptr_t)elem;
-
- if (old_elem_size < MALLOC_ELEM_OVERHEAD + MIN_DATA_SIZE){
- /* don't split it, pad the element instead */
- elem->state = ELEM_BUSY;
- elem->pad = old_elem_size;
-
- /* put a dummy header in padding, to point to real element header */
- if (elem->pad > 0){ /* pad will be at least 64-bytes, as everything
- * is cache-line aligned */
- new_elem->pad = elem->pad;
- new_elem->state = ELEM_PAD;
- new_elem->size = elem->size - elem->pad;
- set_header(new_elem);
- }
- /* remove element from free list */
- elem_free_list_remove(elem);
-
- return new_elem;
- }
-
- /* we are going to split the element in two. The original element
- * remains free, and the new element is the one allocated.
- * Re-insert original element, in case its new size makes it
- * belong on a different list.
- */
- elem_free_list_remove(elem);
- split_elem(elem, new_elem);
- new_elem->state = ELEM_BUSY;
- malloc_elem_free_list_insert(elem);
-
- return new_elem;
-}
-
-/*
- * joing two struct malloc_elem together. elem1 and elem2 must
- * be contiguous in memory.
- */
-static inline void
-join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2)
-{
- struct malloc_elem *next = RTE_PTR_ADD(elem2, elem2->size);
- elem1->size += elem2->size;
- next->prev = elem1;
-}
-
-/*
- * free a malloc_elem block by adding it to the free list. If the
- * blocks either immediately before or immediately after newly freed block
- * are also free, the blocks are merged together.
- */
-int
-malloc_elem_free(struct malloc_elem *elem)
-{
- if (!malloc_elem_cookies_ok(elem) || elem->state != ELEM_BUSY)
- return -1;
-
- rte_spinlock_lock(&(elem->heap->lock));
- struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
- if (next->state == ELEM_FREE){
- /* remove from free list, join to this one */
- elem_free_list_remove(next);
- join_elem(elem, next);
- }
-
- /* check if previous element is free, if so join with it and return,
- * need to re-insert in free list, as that element's size is changing
- */
- if (elem->prev != NULL && elem->prev->state == ELEM_FREE) {
- elem_free_list_remove(elem->prev);
- join_elem(elem->prev, elem);
- malloc_elem_free_list_insert(elem->prev);
- }
- /* otherwise add ourselves to the free list */
- else {
- malloc_elem_free_list_insert(elem);
- elem->pad = 0;
- }
- /* decrease heap's count of allocated elements */
- elem->heap->alloc_count--;
- rte_spinlock_unlock(&(elem->heap->lock));
-
- return 0;
-}
-
-/*
- * attempt to resize a malloc_elem by expanding into any free space
- * immediately after it in memory.
- */
-int
-malloc_elem_resize(struct malloc_elem *elem, size_t size)
-{
- const size_t new_size = size + MALLOC_ELEM_OVERHEAD;
- /* if we request a smaller size, then always return ok */
- const size_t current_size = elem->size - elem->pad;
- if (current_size >= new_size)
- return 0;
-
- struct malloc_elem *next = RTE_PTR_ADD(elem, elem->size);
- rte_spinlock_lock(&elem->heap->lock);
- if (next ->state != ELEM_FREE)
- goto err_return;
- if (current_size + next->size < new_size)
- goto err_return;
-
- /* we now know the element fits, so remove from free list,
- * join the two
- */
- elem_free_list_remove(next);
- join_elem(elem, next);
-
- if (elem->size - new_size >= MIN_DATA_SIZE + MALLOC_ELEM_OVERHEAD){
- /* now we have a big block together. Lets cut it down a bit, by splitting */
- struct malloc_elem *split_pt = RTE_PTR_ADD(elem, new_size);
- split_pt = RTE_PTR_ALIGN_CEIL(split_pt, RTE_CACHE_LINE_SIZE);
- split_elem(elem, split_pt);
- malloc_elem_free_list_insert(split_pt);
- }
- rte_spinlock_unlock(&elem->heap->lock);
- return 0;
-
-err_return:
- rte_spinlock_unlock(&elem->heap->lock);
- return -1;
-}
+++ /dev/null
-/*-
- * 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 MALLOC_ELEM_H_
-#define MALLOC_ELEM_H_
-
-#include <rte_memory.h>
-
-/* dummy definition of struct so we can use pointers to it in malloc_elem struct */
-struct malloc_heap;
-
-enum elem_state {
- ELEM_FREE = 0,
- ELEM_BUSY,
- ELEM_PAD /* element is a padding-only header */
-};
-
-struct malloc_elem {
- struct malloc_heap *heap;
- struct malloc_elem *volatile prev; /* points to prev elem in memzone */
- LIST_ENTRY(malloc_elem) free_list; /* list of free elements in heap */
- const struct rte_memzone *mz;
- volatile enum elem_state state;
- uint32_t pad;
- size_t size;
-#ifdef RTE_LIBRTE_MALLOC_DEBUG
- uint64_t header_cookie; /* Cookie marking start of data */
- /* trailer cookie at start + size */
-#endif
-} __rte_cache_aligned;
-
-#ifndef RTE_LIBRTE_MALLOC_DEBUG
-static const unsigned MALLOC_ELEM_TRAILER_LEN = 0;
-
-/* dummy function - just check if pointer is non-null */
-static inline int
-malloc_elem_cookies_ok(const struct malloc_elem *elem){ return elem != NULL; }
-
-/* dummy function - no header if malloc_debug is not enabled */
-static inline void
-set_header(struct malloc_elem *elem __rte_unused){ }
-
-/* dummy function - no trailer if malloc_debug is not enabled */
-static inline void
-set_trailer(struct malloc_elem *elem __rte_unused){ }
-
-
-#else
-static const unsigned MALLOC_ELEM_TRAILER_LEN = RTE_CACHE_LINE_SIZE;
-
-#define MALLOC_HEADER_COOKIE 0xbadbadbadadd2e55ULL /**< Header cookie. */
-#define MALLOC_TRAILER_COOKIE 0xadd2e55badbadbadULL /**< Trailer cookie.*/
-
-/* define macros to make referencing the header and trailer cookies easier */
-#define MALLOC_ELEM_TRAILER(elem) (*((uint64_t*)RTE_PTR_ADD(elem, \
- elem->size - MALLOC_ELEM_TRAILER_LEN)))
-#define MALLOC_ELEM_HEADER(elem) (elem->header_cookie)
-
-static inline void
-set_header(struct malloc_elem *elem)
-{
- if (elem != NULL)
- MALLOC_ELEM_HEADER(elem) = MALLOC_HEADER_COOKIE;
-}
-
-static inline void
-set_trailer(struct malloc_elem *elem)
-{
- if (elem != NULL)
- MALLOC_ELEM_TRAILER(elem) = MALLOC_TRAILER_COOKIE;
-}
-
-/* check that the header and trailer cookies are set correctly */
-static inline int
-malloc_elem_cookies_ok(const struct malloc_elem *elem)
-{
- return (elem != NULL &&
- MALLOC_ELEM_HEADER(elem) == MALLOC_HEADER_COOKIE &&
- MALLOC_ELEM_TRAILER(elem) == MALLOC_TRAILER_COOKIE);
-}
-
-#endif
-
-static const unsigned MALLOC_ELEM_HEADER_LEN = sizeof(struct malloc_elem);
-#define MALLOC_ELEM_OVERHEAD (MALLOC_ELEM_HEADER_LEN + MALLOC_ELEM_TRAILER_LEN)
-
-/*
- * Given a pointer to the start of a memory block returned by malloc, get
- * the actual malloc_elem header for that block.
- */
-static inline struct malloc_elem *
-malloc_elem_from_data(const void *data)
-{
- if (data == NULL)
- return NULL;
-
- struct malloc_elem *elem = RTE_PTR_SUB(data, MALLOC_ELEM_HEADER_LEN);
- if (!malloc_elem_cookies_ok(elem))
- return NULL;
- return elem->state != ELEM_PAD ? elem: RTE_PTR_SUB(elem, elem->pad);
-}
-
-/*
- * initialise a malloc_elem header
- */
-void
-malloc_elem_init(struct malloc_elem *elem,
- struct malloc_heap *heap,
- const struct rte_memzone *mz,
- size_t size);
-
-/*
- * initialise a dummy malloc_elem header for the end-of-memzone marker
- */
-void
-malloc_elem_mkend(struct malloc_elem *elem,
- struct malloc_elem *prev_free);
-
-/*
- * return true if the current malloc_elem can hold a block of data
- * of the requested size and with the requested alignment
- */
-int
-malloc_elem_can_hold(struct malloc_elem *elem, size_t size, unsigned align);
-
-/*
- * reserve a block of data in an existing malloc_elem. If the malloc_elem
- * is much larger than the data block requested, we split the element in two.
- */
-struct malloc_elem *
-malloc_elem_alloc(struct malloc_elem *elem, size_t size, unsigned align);
-
-/*
- * free a malloc_elem block by adding it to the free list. If the
- * blocks either immediately before or immediately after newly freed block
- * are also free, the blocks are merged together.
- */
-int
-malloc_elem_free(struct malloc_elem *elem);
-
-/*
- * attempt to resize a malloc_elem by expanding into any free space
- * immediately after it in memory.
- */
-int
-malloc_elem_resize(struct malloc_elem *elem, size_t size);
-
-/*
- * Given an element size, compute its freelist index.
- */
-size_t
-malloc_elem_free_list_index(size_t size);
-
-/*
- * Add element to its heap's free list.
- */
-void
-malloc_elem_free_list_insert(struct malloc_elem *elem);
-
-#endif /* MALLOC_ELEM_H_ */
+++ /dev/null
-/*-
- * 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.
- */
-#include <stdint.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <sys/queue.h>
-
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
-#include <rte_launch.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_common.h>
-#include <rte_string_fns.h>
-#include <rte_spinlock.h>
-#include <rte_memcpy.h>
-#include <rte_atomic.h>
-
-#include "malloc_elem.h"
-#include "malloc_heap.h"
-
-/* since the memzone size starts with a digit, it will appear unquoted in
- * rte_config.h, so quote it so it can be passed to rte_str_to_size */
-#define MALLOC_MEMZONE_SIZE RTE_STR(RTE_MALLOC_MEMZONE_SIZE)
-
-/*
- * returns the configuration setting for the memzone size as a size_t value
- */
-static inline size_t
-get_malloc_memzone_size(void)
-{
- return rte_str_to_size(MALLOC_MEMZONE_SIZE);
-}
-
-/*
- * reserve an extra memory zone and make it available for use by a particular
- * heap. This reserves the zone and sets a dummy malloc_elem header at the end
- * to prevent overflow. The rest of the zone is added to free list as a single
- * large free block
- */
-static int
-malloc_heap_add_memzone(struct malloc_heap *heap, size_t size, unsigned align)
-{
- const unsigned mz_flags = 0;
- const size_t block_size = get_malloc_memzone_size();
- /* ensure the data we want to allocate will fit in the memzone */
- const size_t min_size = size + align + MALLOC_ELEM_OVERHEAD * 2;
- const struct rte_memzone *mz = NULL;
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- unsigned numa_socket = heap - mcfg->malloc_heaps;
-
- size_t mz_size = min_size;
- if (mz_size < block_size)
- mz_size = block_size;
-
- char mz_name[RTE_MEMZONE_NAMESIZE];
- snprintf(mz_name, sizeof(mz_name), "MALLOC_S%u_HEAP_%u",
- numa_socket, heap->mz_count++);
-
- /* try getting a block. if we fail and we don't need as big a block
- * as given in the config, we can shrink our request and try again
- */
- do {
- mz = rte_memzone_reserve(mz_name, mz_size, numa_socket,
- mz_flags);
- if (mz == NULL)
- mz_size /= 2;
- } while (mz == NULL && mz_size > min_size);
- if (mz == NULL)
- return -1;
-
- /* allocate the memory block headers, one at end, one at start */
- struct malloc_elem *start_elem = (struct malloc_elem *)mz->addr;
- struct malloc_elem *end_elem = RTE_PTR_ADD(mz->addr,
- mz_size - MALLOC_ELEM_OVERHEAD);
- end_elem = RTE_PTR_ALIGN_FLOOR(end_elem, RTE_CACHE_LINE_SIZE);
-
- const unsigned elem_size = (uintptr_t)end_elem - (uintptr_t)start_elem;
- malloc_elem_init(start_elem, heap, mz, elem_size);
- malloc_elem_mkend(end_elem, start_elem);
- malloc_elem_free_list_insert(start_elem);
-
- /* increase heap total size by size of new memzone */
- heap->total_size+=mz_size - MALLOC_ELEM_OVERHEAD;
- return 0;
-}
-
-/*
- * Iterates through the freelist for a heap to find a free element
- * which can store data of the required size and with the requested alignment.
- * Returns null on failure, or pointer to element on success.
- */
-static struct malloc_elem *
-find_suitable_element(struct malloc_heap *heap, size_t size, unsigned align)
-{
- size_t idx;
- struct malloc_elem *elem;
-
- for (idx = malloc_elem_free_list_index(size);
- idx < RTE_HEAP_NUM_FREELISTS; idx++)
- {
- for (elem = LIST_FIRST(&heap->free_head[idx]);
- !!elem; elem = LIST_NEXT(elem, free_list))
- {
- if (malloc_elem_can_hold(elem, size, align))
- return elem;
- }
- }
- return NULL;
-}
-
-/*
- * Main function called by malloc to allocate a block of memory from the
- * heap. It locks the free list, scans it, and adds a new memzone if the
- * scan fails. Once the new memzone is added, it re-scans and should return
- * the new element after releasing the lock.
- */
-void *
-malloc_heap_alloc(struct malloc_heap *heap,
- const char *type __attribute__((unused)), size_t size, unsigned align)
-{
- size = RTE_CACHE_LINE_ROUNDUP(size);
- align = RTE_CACHE_LINE_ROUNDUP(align);
- rte_spinlock_lock(&heap->lock);
- struct malloc_elem *elem = find_suitable_element(heap, size, align);
- if (elem == NULL){
- if ((malloc_heap_add_memzone(heap, size, align)) == 0)
- elem = find_suitable_element(heap, size, align);
- }
-
- if (elem != NULL){
- elem = malloc_elem_alloc(elem, size, align);
- /* increase heap's count of allocated elements */
- heap->alloc_count++;
- }
- rte_spinlock_unlock(&heap->lock);
- return elem == NULL ? NULL : (void *)(&elem[1]);
-
-}
-
-/*
- * Function to retrieve data for heap on given socket
- */
-int
-malloc_heap_get_stats(const struct malloc_heap *heap,
- struct rte_malloc_socket_stats *socket_stats)
-{
- size_t idx;
- struct malloc_elem *elem;
-
- /* Initialise variables for heap */
- socket_stats->free_count = 0;
- socket_stats->heap_freesz_bytes = 0;
- socket_stats->greatest_free_size = 0;
-
- /* Iterate through free list */
- for (idx = 0; idx < RTE_HEAP_NUM_FREELISTS; idx++) {
- for (elem = LIST_FIRST(&heap->free_head[idx]);
- !!elem; elem = LIST_NEXT(elem, free_list))
- {
- socket_stats->free_count++;
- socket_stats->heap_freesz_bytes += elem->size;
- if (elem->size > socket_stats->greatest_free_size)
- socket_stats->greatest_free_size = elem->size;
- }
- }
- /* Get stats on overall heap and allocated memory on this heap */
- socket_stats->heap_totalsz_bytes = heap->total_size;
- socket_stats->heap_allocsz_bytes = (socket_stats->heap_totalsz_bytes -
- socket_stats->heap_freesz_bytes);
- socket_stats->alloc_count = heap->alloc_count;
- return 0;
-}
+++ /dev/null
-/*-
- * 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 MALLOC_HEAP_H_
-#define MALLOC_HEAP_H_
-
-#include <rte_malloc.h>
-#include <rte_malloc_heap.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static inline unsigned
-malloc_get_numa_socket(void)
-{
- unsigned socket_id = rte_socket_id();
-
- if (socket_id == (unsigned)SOCKET_ID_ANY)
- return 0;
-
- return socket_id;
-}
-
-void *
-malloc_heap_alloc(struct malloc_heap *heap, const char *type,
- size_t size, unsigned align);
-
-int
-malloc_heap_get_stats(const struct malloc_heap *heap,
- struct rte_malloc_socket_stats *socket_stats);
-
-int
-rte_eal_heap_memzone_init(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* MALLOC_HEAP_H_ */
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <stdint.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/queue.h>
-
-#include <rte_memcpy.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
-#include <rte_branch_prediction.h>
-#include <rte_debug.h>
-#include <rte_launch.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_common.h>
-#include <rte_spinlock.h>
-
-#include <rte_malloc.h>
-#include "malloc_elem.h"
-#include "malloc_heap.h"
-
-
-/* Free the memory space back to heap */
-void rte_free(void *addr)
-{
- if (addr == NULL) return;
- if (malloc_elem_free(malloc_elem_from_data(addr)) < 0)
- rte_panic("Fatal error: Invalid memory\n");
-}
-
-/*
- * Allocate memory on specified heap.
- */
-void *
-rte_malloc_socket(const char *type, size_t size, unsigned align, int socket_arg)
-{
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- int socket, i;
- void *ret;
-
- /* return NULL if size is 0 or alignment is not power-of-2 */
- if (size == 0 || (align && !rte_is_power_of_2(align)))
- return NULL;
-
- if (socket_arg == SOCKET_ID_ANY)
- socket = malloc_get_numa_socket();
- else
- socket = socket_arg;
-
- /* Check socket parameter */
- if (socket >= RTE_MAX_NUMA_NODES)
- return NULL;
-
- ret = malloc_heap_alloc(&mcfg->malloc_heaps[socket], type,
- size, align == 0 ? 1 : align);
- if (ret != NULL || socket_arg != SOCKET_ID_ANY)
- return ret;
-
- /* try other heaps */
- for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
- /* we already tried this one */
- if (i == socket)
- continue;
-
- ret = malloc_heap_alloc(&mcfg->malloc_heaps[i], type,
- size, align == 0 ? 1 : align);
- if (ret != NULL)
- return ret;
- }
-
- return NULL;
-}
-
-/*
- * Allocate memory on default heap.
- */
-void *
-rte_malloc(const char *type, size_t size, unsigned align)
-{
- return rte_malloc_socket(type, size, align, SOCKET_ID_ANY);
-}
-
-/*
- * Allocate zero'd memory on specified heap.
- */
-void *
-rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket)
-{
- void *ptr = rte_malloc_socket(type, size, align, socket);
-
- if (ptr != NULL)
- memset(ptr, 0, size);
- return ptr;
-}
-
-/*
- * Allocate zero'd memory on default heap.
- */
-void *
-rte_zmalloc(const char *type, size_t size, unsigned align)
-{
- return rte_zmalloc_socket(type, size, align, SOCKET_ID_ANY);
-}
-
-/*
- * Allocate zero'd memory on specified heap.
- */
-void *
-rte_calloc_socket(const char *type, size_t num, size_t size, unsigned align, int socket)
-{
- return rte_zmalloc_socket(type, num * size, align, socket);
-}
-
-/*
- * Allocate zero'd memory on default heap.
- */
-void *
-rte_calloc(const char *type, size_t num, size_t size, unsigned align)
-{
- return rte_zmalloc(type, num * size, align);
-}
-
-/*
- * Resize allocated memory.
- */
-void *
-rte_realloc(void *ptr, size_t size, unsigned align)
-{
- if (ptr == NULL)
- return rte_malloc(NULL, size, align);
-
- struct malloc_elem *elem = malloc_elem_from_data(ptr);
- if (elem == NULL)
- rte_panic("Fatal error: memory corruption detected\n");
-
- size = RTE_CACHE_LINE_ROUNDUP(size), align = RTE_CACHE_LINE_ROUNDUP(align);
- /* check alignment matches first, and if ok, see if we can resize block */
- if (RTE_PTR_ALIGN(ptr,align) == ptr &&
- malloc_elem_resize(elem, size) == 0)
- return ptr;
-
- /* either alignment is off, or we have no room to expand,
- * so move data. */
- void *new_ptr = rte_malloc(NULL, size, align);
- if (new_ptr == NULL)
- return NULL;
- const unsigned old_size = elem->size - MALLOC_ELEM_OVERHEAD;
- rte_memcpy(new_ptr, ptr, old_size < size ? old_size : size);
- rte_free(ptr);
-
- return new_ptr;
-}
-
-int
-rte_malloc_validate(const void *ptr, size_t *size)
-{
- const struct malloc_elem *elem = malloc_elem_from_data(ptr);
- if (!malloc_elem_cookies_ok(elem))
- return -1;
- if (size != NULL)
- *size = elem->size - elem->pad - MALLOC_ELEM_OVERHEAD;
- return 0;
-}
-
-/*
- * Function to retrieve data for heap on given socket
- */
-int
-rte_malloc_get_socket_stats(int socket,
- struct rte_malloc_socket_stats *socket_stats)
-{
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-
- if (socket >= RTE_MAX_NUMA_NODES || socket < 0)
- return -1;
-
- return malloc_heap_get_stats(&mcfg->malloc_heaps[socket], socket_stats);
-}
-
-/*
- * Print stats on memory type. If type is NULL, info on all types is printed
- */
-void
-rte_malloc_dump_stats(FILE *f, __rte_unused const char *type)
-{
- unsigned int socket;
- struct rte_malloc_socket_stats sock_stats;
- /* Iterate through all initialised heaps */
- for (socket=0; socket< RTE_MAX_NUMA_NODES; socket++) {
- if ((rte_malloc_get_socket_stats(socket, &sock_stats) < 0))
- continue;
-
- fprintf(f, "Socket:%u\n", socket);
- fprintf(f, "\tHeap_size:%zu,\n", sock_stats.heap_totalsz_bytes);
- fprintf(f, "\tFree_size:%zu,\n", sock_stats.heap_freesz_bytes);
- fprintf(f, "\tAlloc_size:%zu,\n", sock_stats.heap_allocsz_bytes);
- fprintf(f, "\tGreatest_free_size:%zu,\n",
- sock_stats.greatest_free_size);
- fprintf(f, "\tAlloc_count:%u,\n",sock_stats.alloc_count);
- fprintf(f, "\tFree_count:%u,\n", sock_stats.free_count);
- }
- return;
-}
-
-/*
- * TODO: Set limit to memory that can be allocated to memory type
- */
-int
-rte_malloc_set_limit(__rte_unused const char *type,
- __rte_unused size_t max)
-{
- return 0;
-}
-
-/*
- * Return the physical address of a virtual address obtained through rte_malloc
- */
-phys_addr_t
-rte_malloc_virt2phy(const void *addr)
-{
- const struct malloc_elem *elem = malloc_elem_from_data(addr);
- if (elem == NULL)
- return 0;
- return elem->mz->phys_addr + ((uintptr_t)addr - (uintptr_t)elem->mz->addr);
-}
+/* Empty file to be able to create a dummy library for deprecation policy */
+++ /dev/null
-/*-
- * 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_H_
-#define _RTE_MALLOC_H_
-
-/**
- * @file
- * RTE Malloc. This library provides methods for dynamically allocating memory
- * from hugepages.
- */
-
-#include <stdio.h>
-#include <stddef.h>
-#include <rte_memory.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * Structure to hold heap statistics obtained from rte_malloc_get_socket_stats function.
- */
-struct rte_malloc_socket_stats {
- size_t heap_totalsz_bytes; /**< Total bytes on heap */
- size_t heap_freesz_bytes; /**< Total free bytes on heap */
- size_t greatest_free_size; /**< Size in bytes of largest free block */
- unsigned free_count; /**< Number of free elements on heap */
- unsigned alloc_count; /**< Number of allocated elements on heap */
- size_t heap_allocsz_bytes; /**< Total allocated bytes on heap */
-};
-
-/**
- * This function allocates memory from the huge-page area of memory. The memory
- * is not cleared. In NUMA systems, the memory allocated resides on the same
- * NUMA socket as the core that calls this function.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param size
- * Size (in bytes) to be allocated.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_malloc(const char *type, size_t size, unsigned align);
-
-/**
- * Allocate zero'ed memory from the heap.
- *
- * Equivalent to rte_malloc() except that the memory zone is
- * initialised with zeros. In NUMA systems, the memory allocated resides on the
- * same NUMA socket as the core that calls this function.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param size
- * Size (in bytes) to be allocated.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must obviously be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_zmalloc(const char *type, size_t size, unsigned align);
-
-/**
- * Replacement function for calloc(), using huge-page memory. Memory area is
- * initialised with zeros. In NUMA systems, the memory allocated resides on the
- * same NUMA socket as the core that calls this function.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param num
- * Number of elements to be allocated.
- * @param size
- * Size (in bytes) of a single element.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must obviously be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_calloc(const char *type, size_t num, size_t size, unsigned align);
-
-/**
- * Replacement function for realloc(), using huge-page memory. Reserved area
- * memory is resized, preserving contents. In NUMA systems, the new area
- * resides on the same NUMA socket as the old area.
- *
- * @param ptr
- * Pointer to already allocated memory
- * @param size
- * Size (in bytes) of new area. If this is 0, memory is freed.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must obviously be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the reallocated memory.
- */
-void *
-rte_realloc(void *ptr, size_t size, unsigned align);
-
-/**
- * This function allocates memory from the huge-page area of memory. The memory
- * is not cleared.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param size
- * Size (in bytes) to be allocated.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @param socket
- * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
- * will behave the same as rte_malloc().
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_malloc_socket(const char *type, size_t size, unsigned align, int socket);
-
-/**
- * Allocate zero'ed memory from the heap.
- *
- * Equivalent to rte_malloc() except that the memory zone is
- * initialised with zeros.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param size
- * Size (in bytes) to be allocated.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must obviously be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @param socket
- * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
- * will behave the same as rte_zmalloc().
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket);
-
-/**
- * Replacement function for calloc(), using huge-page memory. Memory area is
- * initialised with zeros.
- *
- * @param type
- * A string identifying the type of allocated objects (useful for debug
- * purposes, such as identifying the cause of a memory leak). Can be NULL.
- * @param num
- * Number of elements to be allocated.
- * @param size
- * Size (in bytes) of a single element.
- * @param align
- * If 0, the return is a pointer that is suitably aligned for any kind of
- * variable (in the same manner as malloc()).
- * Otherwise, the return is a pointer that is a multiple of *align*. In
- * this case, it must obviously be a power of two. (Minimum alignment is the
- * cacheline size, i.e. 64-bytes)
- * @param socket
- * NUMA socket to allocate memory on. If SOCKET_ID_ANY is used, this function
- * will behave the same as rte_calloc().
- * @return
- * - NULL on error. Not enough memory, or invalid arguments (size is 0,
- * align is not a power of two).
- * - Otherwise, the pointer to the allocated object.
- */
-void *
-rte_calloc_socket(const char *type, size_t num, size_t size, unsigned align, int socket);
-
-/**
- * Frees the memory space pointed to by the provided pointer.
- *
- * This pointer must have been returned by a previous call to
- * rte_malloc(), rte_zmalloc(), rte_calloc() or rte_realloc(). The behaviour of
- * rte_free() is undefined if the pointer does not match this requirement.
- *
- * If the pointer is NULL, the function does nothing.
- *
- * @param ptr
- * The pointer to memory to be freed.
- */
-void
-rte_free(void *ptr);
-
-/**
- * If malloc debug is enabled, check a memory block for header
- * and trailer markers to indicate that all is well with the block.
- * If size is non-null, also return the size of the block.
- *
- * @param ptr
- * pointer to the start of a data block, must have been returned
- * by a previous call to rte_malloc(), rte_zmalloc(), rte_calloc()
- * or rte_realloc()
- * @param size
- * if non-null, and memory block pointer is valid, returns the size
- * of the memory block
- * @return
- * -1 on error, invalid pointer passed or header and trailer markers
- * are missing or corrupted
- * 0 on success
- */
-int
-rte_malloc_validate(const void *ptr, size_t *size);
-
-/**
- * Get heap statistics for the specified heap.
- *
- * @param socket
- * An unsigned integer specifying the socket to get heap statistics for
- * @param socket_stats
- * A structure which provides memory to store statistics
- * @return
- * Null on error
- * Pointer to structure storing statistics on success
- */
-int
-rte_malloc_get_socket_stats(int socket,
- struct rte_malloc_socket_stats *socket_stats);
-
-/**
- * Dump statistics.
- *
- * Dump for the specified type to the console. If the type argument is
- * NULL, all memory types will be dumped.
- *
- * @param f
- * A pointer to a file for output
- * @param type
- * A string identifying the type of objects to dump, or NULL
- * to dump all objects.
- */
-void
-rte_malloc_dump_stats(FILE *f, const char *type);
-
-/**
- * Set the maximum amount of allocated memory for this type.
- *
- * This is not yet implemented
- *
- * @param type
- * A string identifying the type of allocated objects.
- * @param max
- * The maximum amount of allocated bytes for this type.
- * @return
- * - 0: Success.
- * - (-1): Error.
- */
-int
-rte_malloc_set_limit(const char *type, size_t max);
-
-/**
- * Return the physical address of a virtual address obtained through
- * rte_malloc
- *
- * @param addr
- * Adress obtained from a previous rte_malloc call
- * @return
- * NULL on error
- * otherwise return physical address of the buffer
- */
-phys_addr_t
-rte_malloc_virt2phy(const void *addr);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _RTE_MALLOC_H_ */
DPDK_2.0 {
- global:
-
- rte_calloc;
- rte_calloc_socket;
- rte_free;
- rte_malloc;
- rte_malloc_dump_stats;
- rte_malloc_get_socket_stats;
- rte_malloc_set_limit;
- rte_malloc_socket;
- rte_malloc_validate;
- rte_malloc_virt2phy;
- rte_realloc;
- rte_zmalloc;
- rte_zmalloc_socket;
-
local: *;
};
# install includes
SYMLINK-$(CONFIG_RTE_LIBRTE_MEMPOOL)-include := rte_mempool.h
-# this lib needs eal, rte_ring and rte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += lib/librte_eal lib/librte_ring
-DEPDIRS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += lib/librte_malloc
include $(RTE_SDK)/mk/rte.lib.mk
DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) := lib/librte_eal
DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) += lib/librte_mempool
-DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) += lib/librte_ether
DEPDIRS-$(CONFIG_RTE_LIBRTE_PORT) += lib/librte_ip_frag
# install includes
SYMLINK-$(CONFIG_RTE_LIBRTE_RING)-include := rte_ring.h
-# this lib needs eal and rte_malloc
-DEPDIRS-$(CONFIG_RTE_LIBRTE_RING) += lib/librte_eal lib/librte_malloc
+DEPDIRS-$(CONFIG_RTE_LIBRTE_RING) += lib/librte_eal
include $(RTE_SDK)/mk/rte.lib.mk
DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) := lib/librte_eal
DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) += lib/librte_mbuf
DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) += lib/librte_mempool
-DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) += lib/librte_malloc
DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) += lib/librte_port
DEPDIRS-$(CONFIG_RTE_LIBRTE_TABLE) += lib/librte_lpm
ifeq ($(CONFIG_RTE_LIBRTE_ACL),y)
git.droids-corp.org / dpdk.git / commitdiff