From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id D89A2A04E6; Sat, 31 Oct 2020 00:51:36 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9EAF0C844; Sat, 31 Oct 2020 00:50:13 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id D9955C7EE for ; Sat, 31 Oct 2020 00:49:59 +0100 (CET) IronPort-SDR: qOroVlWPUsCLrkqchVLsTxr9MmbFhV92FJDZxtvQQRy3pZVkCJWI0jphC7Ei0K3f7/EnEbswcs uPjH/xQirztw== X-IronPort-AV: E=McAfee;i="6000,8403,9790"; a="148536691" X-IronPort-AV: E=Sophos;i="5.77,435,1596524400"; d="scan'208";a="148536691" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2020 16:49:59 -0700 IronPort-SDR: kt+nqK5jwUzlPU8BWb34yXpwN3eScujbfw+rv56JOxJyCOBEIzgWWzfqftbIafTPKpSMgrn4FA 8XMEDEUXMydA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,435,1596524400"; d="scan'208";a="319474259" Received: from txasoft-yocto.an.intel.com ([10.123.72.192]) by orsmga003.jf.intel.com with ESMTP; 30 Oct 2020 16:49:57 -0700 From: Timothy McDaniel To: Cc: dev@dpdk.org, erik.g.carrillo@intel.com, gage.eads@intel.com, harry.van.haaren@intel.com, jerinj@marvell.com, thomas@monjalon.net Date: Fri, 30 Oct 2020 18:51:22 -0500 Message-Id: <1604101900-19657-6-git-send-email-timothy.mcdaniel@intel.com> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1604101900-19657-1-git-send-email-timothy.mcdaniel@intel.com> References: <1602958879-8558-2-git-send-email-timothy.mcdaniel@intel.com> <1604101900-19657-1-git-send-email-timothy.mcdaniel@intel.com> Subject: [dpdk-dev] [PATCH v7 05/23] event/dlb2: add inline functions 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" Add miscellaneous inline functions that may be called from multiple files. These functions include inline assembly of new x86 instructions, such as movdir64b, since they are not available as builtin functions in the minimum supported GCC version. Signed-off-by: Timothy McDaniel Reviewed-by: Gage Eads --- drivers/event/dlb2/dlb2_inline_fns.h | 61 ++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 drivers/event/dlb2/dlb2_inline_fns.h diff --git a/drivers/event/dlb2/dlb2_inline_fns.h b/drivers/event/dlb2/dlb2_inline_fns.h new file mode 100644 index 0000000..10bd062 --- /dev/null +++ b/drivers/event/dlb2/dlb2_inline_fns.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2020 Intel Corporation + */ + +#ifndef _DLB2_INLINE_FNS_H_ +#define _DLB2_INLINE_FNS_H_ + +/* Inline functions required in more than one source file. */ + +static inline struct dlb2_eventdev * +dlb2_pmd_priv(const struct rte_eventdev *eventdev) +{ + return eventdev->data->dev_private; +} + +static inline void +dlb2_umonitor(volatile void *addr) +{ + asm volatile(".byte 0xf3, 0x0f, 0xae, 0xf7\t\n" + : + : "D" (addr)); +} + +static inline void +dlb2_umwait(int state, uint64_t timeout) +{ + uint32_t eax = timeout & UINT32_MAX; + uint32_t edx = timeout >> 32; + + asm volatile(".byte 0xf2, 0x0f, 0xae, 0xf7\t\n" + : + : "D" (state), "a" (eax), "d" (edx)); +} + +static inline void +dlb2_movntdq_single(void *pp_addr, void *qe4) +{ + long long *_qe = (long long *)qe4; + __v2di src_data0 = (__v2di){_qe[0], _qe[1]}; + + _mm_stream_si128(pp_addr, src_data0); +} + +static inline void +dlb2_cldemote(void *addr) +{ + /* Load addr into RSI, then demote the cache line of the address + * contained in that register. + */ + asm volatile(".byte 0x0f, 0x1c, 0x06" :: "S" (addr)); +} + +static inline void +dlb2_movdir64b(void *pp_addr, void *qe4) +{ + asm volatile(".byte 0x66, 0x0f, 0x38, 0xf8, 0x02" + : + : "a" (pp_addr), "d" (qe4)); +} + +#endif /* _DLB2_INLINE_FNS_H_ */ -- 2.6.4