/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * 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
+ * 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
+ * * 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
+ * * 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
+ * * 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
+ * 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_EAL_MEMCONFIG_H_
#include <rte_tailq.h>
#include <rte_memory.h>
#include <rte_memzone.h>
+#include <rte_malloc_heap.h>
+#include <rte_rwlock.h>
#ifdef __cplusplus
extern "C" {
#endif
+/**
+ * Index type of tailq_head
+ */
+enum rte_tailq_t {
+#define rte_tailq_elem(idx, name) idx,
+#define rte_tailq_end(idx) idx
+#include <rte_tailq_elem.h>
+};
+
/**
* the structure for the memory configuration for the RTE.
* Used by the rte_config structure. It is separated out, as for multi-process
* support, the memory details should be shared across instances
*/
struct rte_mem_config {
+ volatile uint32_t magic; /**< Magic number - Sanity check. */
+
/* memory topology */
uint32_t nchannel; /**< Number of channels (0 if unknown). */
uint32_t nrank; /**< Number of ranks (0 if unknown). */
+ /**
+ * current lock nest order
+ * - qlock->mlock (ring/hash/lpm)
+ * - mplock->qlock->mlock (mempool)
+ * Notice:
+ * *ALWAYS* obtain qlock first if having to obtain both qlock and mlock
+ */
+ rte_rwlock_t mlock; /**< only used by memzone LIB for thread-safe. */
+ rte_rwlock_t qlock; /**< used for tailq operation for thread safe. */
+ rte_rwlock_t mplock; /**< only used by mempool LIB for thread-safe. */
+
+ uint32_t memzone_idx; /**< Index of memzone */
+
/* memory segments and zones */
struct rte_memseg memseg[RTE_MAX_MEMSEG]; /**< Physmem descriptors. */
struct rte_memzone memzone[RTE_MAX_MEMZONE]; /**< Memzone descriptors. */
+ /* Runtime Physmem descriptors. */
+ struct rte_memseg free_memseg[RTE_MAX_MEMSEG];
+
struct rte_tailq_head tailq_head[RTE_MAX_TAILQ]; /**< Tailqs for objects */
+
+ /* Heaps of Malloc per socket */
+ struct malloc_heap malloc_heaps[RTE_MAX_NUMA_NODES];
} __attribute__((__packed__));
+inline static void
+rte_eal_mcfg_wait_complete(struct rte_mem_config* mcfg)
+{
+ /* wait until shared mem_config finish initialising */
+ while(mcfg->magic != RTE_MAGIC)
+ rte_pause();
+}
+
#ifdef __cplusplus
}
#endif
git.droids-corp.org / dpdk.git / blobdiff