From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by dpdk.org (Postfix) with ESMTP id 7A79A7FE6 for ; Sun, 23 Nov 2014 14:11:34 +0100 (CET) Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 23 Nov 2014 23:22:16 +1000 Received: from d23dlp01.au.ibm.com (202.81.31.203) by e23smtp07.au.ibm.com (202.81.31.204) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 23 Nov 2014 23:22:13 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id CFB8D2CE8052 for ; Mon, 24 Nov 2014 00:22:12 +1100 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sANDM4w514549132 for ; Mon, 24 Nov 2014 00:22:12 +1100 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sANDLe9q017411 for ; Mon, 24 Nov 2014 00:21:40 +1100 Received: from os_controller.crl.ibm.com ([9.186.57.97]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id sANDLYfv017172 for ; Mon, 24 Nov 2014 00:21:40 +1100 From: Chao Zhu To: dev@dpdk.org Date: Sun, 23 Nov 2014 20:22:14 -0500 Message-Id: <1416792142-23132-7-git-send-email-chaozhu@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1416792142-23132-1-git-send-email-chaozhu@linux.vnet.ibm.com> References: <1416792142-23132-1-git-send-email-chaozhu@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14112313-0025-0000-0000-0000008F8AB1 Subject: [dpdk-dev] [PATCH v3 06/14] Add spinlock operation for IBM Power architecture X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Nov 2014 13:11:36 -0000 This patch adds spinlock operations for IBM Power architecture. Signed-off-by: Chao Zhu --- .../common/include/arch/ppc_64/rte_spinlock.h | 73 ++++++++++++++++++++ 1 files changed, 73 insertions(+), 0 deletions(-) create mode 100644 lib/librte_eal/common/include/arch/ppc_64/rte_spinlock.h diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_spinlock.h b/lib/librte_eal/common/include/arch/ppc_64/rte_spinlock.h new file mode 100644 index 0000000..ba028fe --- /dev/null +++ b/lib/librte_eal/common/include/arch/ppc_64/rte_spinlock.h @@ -0,0 +1,73 @@ +/* + * BSD LICENSE + * + * Copyright (C) IBM Corporation 2014. + * + * 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 + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of IBM 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef _RTE_SPINLOCK_PPC_64_H_ +#define _RTE_SPINLOCK_PPC_64_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include "generic/rte_spinlock.h" + +/* Fixme: Use intrinsics to implement the spinlock on Power architecture */ + +#ifndef RTE_FORCE_INTRINSICS + +static inline void +rte_spinlock_lock(rte_spinlock_t *sl) +{ + while (__sync_lock_test_and_set(&sl->locked, 1)) + while(sl->locked) + rte_pause(); +} + +static inline void +rte_spinlock_unlock (rte_spinlock_t *sl) +{ + __sync_lock_release(&sl->locked); +} + +static inline int +rte_spinlock_trylock (rte_spinlock_t *sl) +{ + return (__sync_lock_test_and_set(&sl->locked,1) == 0); +} + +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_SPINLOCK_PPC_64_H_ */ -- 1.7.1