From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id E20311B6A6 for ; Sun, 8 Apr 2018 14:58:30 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Apr 2018 05:58:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,423,1517904000"; d="scan'208";a="48992607" Received: from silpixa00399464.ir.intel.com (HELO silpixa00399464.ger.corp.intel.com) ([10.237.222.157]) by orsmga002.jf.intel.com with ESMTP; 08 Apr 2018 05:58:28 -0700 From: Pablo de Lara To: dev@dpdk.org Cc: fiona.trahe@intel.com, shally.verma@cavium.com, ahmed.mansour@nxp.com, Ashish.Gupta@cavium.com, Pablo de Lara , Shally Verma , Ashish Gupta Date: Sun, 8 Apr 2018 13:58:17 +0100 Message-Id: <20180408125821.20330-10-pablo.de.lara.guarch@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180408125821.20330-1-pablo.de.lara.guarch@intel.com> References: <20180406180512.40154-1-pablo.de.lara.guarch@intel.com> <20180408125821.20330-1-pablo.de.lara.guarch@intel.com> Subject: [dpdk-dev] [PATCH v4 09/13] compressdev: add device feature flags 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: , X-List-Received-Date: Sun, 08 Apr 2018 12:58:31 -0000 From: Fiona Trahe Signed-off-by: Fiona Trahe Signed-off-by: Pablo de Lara Signed-off-by: Shally Verma Signed-off-by: Ashish Gupta --- lib/librte_compressdev/rte_compressdev.c | 21 ++++++++++++++ lib/librte_compressdev/rte_compressdev.h | 33 ++++++++++++++++++++++ lib/librte_compressdev/rte_compressdev_version.map | 1 + 3 files changed, 55 insertions(+) diff --git a/lib/librte_compressdev/rte_compressdev.c b/lib/librte_compressdev/rte_compressdev.c index 433973aaa..b962ccf23 100644 --- a/lib/librte_compressdev/rte_compressdev.c +++ b/lib/librte_compressdev/rte_compressdev.c @@ -56,6 +56,27 @@ static struct rte_compressdev_global compressdev_globals = { struct rte_compressdev_global *rte_compressdev_globals = &compressdev_globals; +const char * __rte_experimental +rte_compressdev_get_feature_name(uint64_t flag) +{ + switch (flag) { + case RTE_COMPDEV_FF_HW_ACCELERATED: + return "HW_ACCELERATED"; + case RTE_COMPDEV_FF_CPU_SSE: + return "CPU_SSE"; + case RTE_COMPDEV_FF_CPU_AVX: + return "CPU_AVX"; + case RTE_COMPDEV_FF_CPU_AVX2: + return "CPU_AVX2"; + case RTE_COMPDEV_FF_CPU_AVX512: + return "CPU_AVX512"; + case RTE_COMPDEV_FF_CPU_NEON: + return "CPU_NEON"; + default: + return NULL; + } +} + struct rte_compressdev * __rte_experimental rte_compressdev_pmd_get_dev(uint8_t dev_id) { diff --git a/lib/librte_compressdev/rte_compressdev.h b/lib/librte_compressdev/rte_compressdev.h index 0e148dd30..72c46dd96 100644 --- a/lib/librte_compressdev/rte_compressdev.h +++ b/lib/librte_compressdev/rte_compressdev.h @@ -34,10 +34,43 @@ extern int compressdev_logtype; #define RTE_COMPRESSDEV_NAME_MAX_LEN (64) /**< Max length of name of comp PMD */ +/** + * compression device supported feature flags + * + * @note New features flags should be added to the end of the list + * + * Keep these flags synchronised with rte_compressdev_get_feature_name() + */ +#define RTE_COMPDEV_FF_HW_ACCELERATED (1ULL << 0) +/**< Operations are off-loaded to an external hardware accelerator */ +#define RTE_COMPDEV_FF_CPU_SSE (1ULL << 1) +/**< Utilises CPU SIMD SSE instructions */ +#define RTE_COMPDEV_FF_CPU_AVX (1ULL << 2) +/**< Utilises CPU SIMD AVX instructions */ +#define RTE_COMPDEV_FF_CPU_AVX2 (1ULL << 3) +/**< Utilises CPU SIMD AVX2 instructions */ +#define RTE_COMPDEV_FF_CPU_AVX512 (1ULL << 4) +/**< Utilises CPU SIMD AVX512 instructions */ +#define RTE_COMPDEV_FF_CPU_NEON (1ULL << 5) +/**< Utilises CPU NEON instructions */ + +/** + * Get the name of a compress device feature flag. + * + * @param flag + * The mask describing the flag + * + * @return + * The name of this flag, or NULL if it's not a valid feature flag. + */ +const char * __rte_experimental +rte_compressdev_get_feature_name(uint64_t flag); + /** comp device information */ struct rte_compressdev_info { const char *driver_name; /**< Driver name. */ uint8_t driver_id; /**< Driver identifier */ + uint64_t feature_flags; /**< Feature flags */ uint16_t max_nb_queue_pairs; /**< Maximum number of queues pairs supported by device. * (If 0, there is no limit in maximum number of queue pairs) diff --git a/lib/librte_compressdev/rte_compressdev_version.map b/lib/librte_compressdev/rte_compressdev_version.map index 58cb5205a..01ddc7a07 100644 --- a/lib/librte_compressdev/rte_compressdev_version.map +++ b/lib/librte_compressdev/rte_compressdev_version.map @@ -12,6 +12,7 @@ EXPERIMENTAL { rte_compressdev_devices_get; rte_compressdev_driver_id_get; rte_compressdev_driver_name_get; + rte_compressdev_get_feature_name; rte_compressdev_info_get; rte_compressdev_is_valid_dev; rte_compressdev_name_get; -- 2.14.3