X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_eal.h;h=273da9a81c85862c3d44395f5fcf603c6831bf9c;hb=545e47279d61a17998b039204c6cbb84a95f68d5;hp=cdd88a525c9fb87fe7709cb8bf802734644314d1;hpb=7bd128eae21fd0583a6c3302ea80070fbe503d60;p=dpdk.git diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index cdd88a525c..273da9a81c 100644 --- a/lib/librte_eal/common/include/rte_eal.h +++ b/lib/librte_eal/common/include/rte_eal.h @@ -1,13 +1,13 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2013 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 * 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 @@ -17,7 +17,7 @@ * * 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 @@ -46,7 +46,6 @@ extern "C" { #endif -#define RTE_VERSION 1 /**< The version of the RTE configuration structure. */ #define RTE_MAGIC 19820526 /**< Magic number written by the main partition when ready. */ /** @@ -72,10 +71,6 @@ enum rte_proc_type_t { * The global RTE configuration structure. */ struct rte_config { - uint32_t version; /**< Configuration [structure] version. */ - uint32_t magic; /**< Magic number - Sanity check. */ - - uint32_t master_lcore; /**< Id of the master lcore */ uint32_t lcore_count; /**< Number of available logical cores. */ enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]; /**< State of cores. */ @@ -94,7 +89,7 @@ struct rte_config { } __attribute__((__packed__)); /* Flag definitions for rte_config flags */ -#define EAL_FLG_HIGH_IOPL 1 /**< indicates high IO privilage in a linux env */ +#define EAL_FLG_HIGH_IOPL 1 /**< indicates high IO privilege in a linux env */ /** * Get the global configuration structure. @@ -184,7 +179,7 @@ rte_usage_hook_t rte_set_application_usage_hook( rte_usage_hook_t usage_func ); /** - * macro to get the lock of tailq in mem_config + * macro to get the lock of tailq in mem_config */ #define RTE_EAL_TAILQ_RWLOCK (&rte_eal_get_configuration()->mem_config->qlock) @@ -213,7 +208,7 @@ rte_set_application_usage_hook( rte_usage_hook_t usage_func ); rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); \ TAILQ_INSERT_TAIL(list, elm, next); \ rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); \ -} while (0) +} while (0) /** * Utility macro to do a thread-safe tailq 'REMOVE' of rte_mem_config @@ -251,7 +246,18 @@ rte_set_application_usage_hook( rte_usage_hook_t usage_func ); } \ } while(0) - +/** + * Whether EAL is using huge pages (disabled by --no-huge option). + * The no-huge mode cannot be used with UIO poll-mode drivers like igb/ixgbe. + * It is useful for NIC drivers (e.g. librte_pmd_mlx4, librte_pmd_vmxnet3) or + * crypto drivers (e.g. librte_crypto_nitrox) provided by third-parties such + * as 6WIND. + * + * @return + * Nonzero if hugepages are enabled. + */ +int rte_eal_has_hugepages(void); + #ifdef __cplusplus } #endif