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BN6PR07MB3092; 5: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; 24:R/1tI0rX+EMhLgufTHtyAqdPXCUZIJ4KqbsnuhpODo13n0aR220RMD0W+4vGMQUMd8IYp/bCPCMLLzCEGcc4UhUCPoAOKV0EfoEJGL5qd80= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-Microsoft-Exchange-Diagnostics: 1; BN6PR07MB3092; 7: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 X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jun 2017 17:33:41.2767 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR07MB3092 Subject: [dpdk-dev] [PATCH 1/4] mempool: get the external mempool capability X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Allow external mempool to advertise its capability. A handler been introduced called rte_mempool_ops_get_hw_cap. - Upon ->get_hw_cap call, mempool driver will advertise capability by returning flag. - Common layer updates flag value in 'mp->flags'. Signed-off-by: Santosh Shukla Signed-off-by: Jerin Jacob --- lib/librte_mempool/rte_mempool.c | 5 +++++ lib/librte_mempool/rte_mempool.h | 20 ++++++++++++++++++++ lib/librte_mempool/rte_mempool_ops.c | 14 ++++++++++++++ lib/librte_mempool/rte_mempool_version.map | 7 +++++++ 4 files changed, 46 insertions(+) diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c index f65310f60..045baef45 100644 --- a/lib/librte_mempool/rte_mempool.c +++ b/lib/librte_mempool/rte_mempool.c @@ -527,6 +527,11 @@ rte_mempool_populate_default(struct rte_mempool *mp) if (mp->nb_mem_chunks != 0) return -EEXIST; + /* Get external mempool capability */ + ret = rte_mempool_ops_get_hw_cap(mp); + if (ret != -ENOENT) + mp->flags |= ret; + if (rte_xen_dom0_supported()) { pg_sz = RTE_PGSIZE_2M; pg_shift = rte_bsf32(pg_sz); diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h index a65f1a79d..c3cdc77e4 100644 --- a/lib/librte_mempool/rte_mempool.h +++ b/lib/librte_mempool/rte_mempool.h @@ -390,6 +390,12 @@ typedef int (*rte_mempool_dequeue_t)(struct rte_mempool *mp, */ typedef unsigned (*rte_mempool_get_count)(const struct rte_mempool *mp); +/** + * Get the mempool hw capability. + */ +typedef int (*rte_mempool_get_hw_cap_t)(struct rte_mempool *mp); + + /** Structure defining mempool operations structure */ struct rte_mempool_ops { char name[RTE_MEMPOOL_OPS_NAMESIZE]; /**< Name of mempool ops struct. */ @@ -398,6 +404,7 @@ struct rte_mempool_ops { rte_mempool_enqueue_t enqueue; /**< Enqueue an object. */ rte_mempool_dequeue_t dequeue; /**< Dequeue an object. */ rte_mempool_get_count get_count; /**< Get qty of available objs. */ + rte_mempool_get_hw_cap_t get_hw_cap; /**< Get hw capability */ } __rte_cache_aligned; #define RTE_MEMPOOL_MAX_OPS_IDX 16 /**< Max registered ops structs */ @@ -509,6 +516,19 @@ rte_mempool_ops_enqueue_bulk(struct rte_mempool *mp, void * const *obj_table, unsigned rte_mempool_ops_get_count(const struct rte_mempool *mp); + +/** + * @internal wrapper for mempool_ops get_hw_cap callback. + * + * @param mp + * Pointer to the memory pool. + * @return + * - On success; Valid capability flag. + * - On failure; -ENOENT error code i.e. implementation not supported. + */ +int +rte_mempool_ops_get_hw_cap(struct rte_mempool *mp); + /** * @internal wrapper for mempool_ops free callback. * diff --git a/lib/librte_mempool/rte_mempool_ops.c b/lib/librte_mempool/rte_mempool_ops.c index 5f24de250..3a09f5d32 100644 --- a/lib/librte_mempool/rte_mempool_ops.c +++ b/lib/librte_mempool/rte_mempool_ops.c @@ -85,6 +85,7 @@ rte_mempool_register_ops(const struct rte_mempool_ops *h) ops->enqueue = h->enqueue; ops->dequeue = h->dequeue; ops->get_count = h->get_count; + ops->get_hw_cap = h->get_hw_cap; rte_spinlock_unlock(&rte_mempool_ops_table.sl); @@ -123,6 +124,19 @@ rte_mempool_ops_get_count(const struct rte_mempool *mp) return ops->get_count(mp); } +/* wrapper to get external mempool capability. */ +int +rte_mempool_ops_get_hw_cap(struct rte_mempool *mp) +{ + struct rte_mempool_ops *ops; + + ops = rte_mempool_get_ops(mp->ops_index); + if (ops->get_hw_cap) + return ops->get_hw_cap(mp); + + return -ENOENT; +} + /* sets mempool ops previously registered by rte_mempool_register_ops. */ int rte_mempool_set_ops_byname(struct rte_mempool *mp, const char *name, diff --git a/lib/librte_mempool/rte_mempool_version.map b/lib/librte_mempool/rte_mempool_version.map index f9c079447..d92334672 100644 --- a/lib/librte_mempool/rte_mempool_version.map +++ b/lib/librte_mempool/rte_mempool_version.map @@ -41,3 +41,10 @@ DPDK_16.07 { rte_mempool_set_ops_byname; } DPDK_2.0; + +DPDK_17.08 { + global: + + rte_mempool_ops_get_hw_cap; + +} DPDK_17.05;