From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo de Lara Subject: [PATCH v2 06/27] cryptodev: add crypto op helper macros Date: Mon, 26 Jun 2017 11:22:39 +0100 Message-ID: <20170626102300.56637-7-pablo.de.lara.guarch@intel.com> References: <1496005522-134934-1-git-send-email-pablo.de.lara.guarch@intel.com> <20170626102300.56637-1-pablo.de.lara.guarch@intel.com> Cc: dev@dpdk.org, Pablo de Lara To: declan.doherty@intel.com, zbigniew.bodek@caviumnetworks.com, jerin.jacob@caviumnetworks.com, akhil.goyal@nxp.com, hemant.agrawal@nxp.com Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 3686E2C12 for ; Mon, 26 Jun 2017 20:22:56 +0200 (CEST) In-Reply-To: <20170626102300.56637-1-pablo.de.lara.guarch@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" In order to facilitate the access to the private data, after the crypto operation, two new macros have been implemented: - rte_crypto_op_ctod_offset(c,t,o), which returns a pointer to "o" bytes after the start of the crypto operation (rte_crypto_op) - rte_crypto_op_ctophys_offset(c, o), which returns the physical address of the data "o" bytes after the start of the crypto operation (rte_crypto_op) Signed-off-by: Pablo de Lara --- lib/librte_cryptodev/rte_cryptodev.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h index 4e318f0..91f3375 100644 --- a/lib/librte_cryptodev/rte_cryptodev.h +++ b/lib/librte_cryptodev/rte_cryptodev.h @@ -119,6 +119,38 @@ extern const char **rte_cyptodev_names; #define CDEV_PMD_TRACE(...) (void)0 #endif + + +/** + * A macro that points to an offset from the start + * of the crypto operation structure (rte_crypto_op) + * + * The returned pointer is cast to type t. + * + * @param c + * The crypto operation. + * @param o + * The offset from the start of the crypto operation. + * @param t + * The type to cast the result into. + */ +#define rte_crypto_op_ctod_offset(c, t, o) \ + ((t)((char *)(c) + (o))) + +/** + * A macro that returns the physical address that points + * to an offset from the start of the crypto operation + * (rte_crypto_op) + * + * @param c + * The crypto operation. + * @param o + * The offset from the start of the crypto operation + * to calculate address from. + */ +#define rte_crypto_op_ctophys_offset(c, o) \ + (phys_addr_t)((c)->phys_addr + (o)) + /** * Crypto parameters range description */ -- 2.9.4