From patchwork Mon Feb 10 08:49:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianyong Wu X-Patchwork-Id: 11372779 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 613D4109A for ; Mon, 10 Feb 2020 08:51:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3BD7520733 for ; Mon, 10 Feb 2020 08:51:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="OgDeUSTK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BD7520733 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=qFOPPiXTuk5eSkoB4Cy+8we4CvgTTFpp/DACFssOE98=; b=OgDeUSTKsjHc+ZzsiY0AB5rsnT +lUUIxXsSqLSy+S3aClo7M0yJHyfRAn3aULJ4LI1TWjB8FapRq81P3X7mxMU49wufE/IBcKsfvdQk +zvkaG74it1EoNFbCFReSgBw4SmLRp0QiXDCPrgcPS1toJL7hcvfSqULqmL7T72b7q8BOYkaYnjO2 faH9zx/goA9ZTkDybIybOLdEFPiL3e89EaJiJlf89mOXCIznr3TkU70sTkJGBDKdQTpA+e9ZYd2T4 qeI9kTrrf3I/S92t2/3SuOz6PVQM2Ft6s0HdhO48kubx/i56hOauGZgpzDgoESTNvE3SyHGdx/8sS Q3Cr32LQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j14mY-0001F5-VT; Mon, 10 Feb 2020 08:51:06 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j14lc-0007YL-7S for linux-arm-kernel@lists.infradead.org; Mon, 10 Feb 2020 08:50:10 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B2D57328; Mon, 10 Feb 2020 00:50:06 -0800 (PST) Received: from entos-d05.shanghai.arm.com (entos-d05.shanghai.arm.com [10.169.40.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8E1CD3F68F; Mon, 10 Feb 2020 00:50:01 -0800 (PST) From: Jianyong Wu To: netdev@vger.kernel.org, yangbo.lu@nxp.com, john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com, sean.j.christopherson@intel.com, maz@kernel.org, richardcochran@gmail.com, Mark.Rutland@arm.com, will@kernel.org, suzuki.poulose@arm.com, steven.price@arm.com Subject: [RFC PATCH 7/9] ptp: extend input argument for getcrosstimestamp API Date: Mon, 10 Feb 2020 16:49:04 +0800 Message-Id: <20200210084906.24870-8-jianyong.wu@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200210084906.24870-1-jianyong.wu@arm.com> References: <20200210084906.24870-1-jianyong.wu@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200210_005008_391034_B4430BE8 X-CRM114-Status: GOOD ( 10.80 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: justin.he@arm.com, kvm@vger.kernel.org, Steve.Capper@arm.com, jianyong.wu@arm.com, linux-kernel@vger.kernel.org, Kaly.Xin@arm.com, nd@arm.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org sometimes we may need tell getcrosstimestamp call back how to perform itself. Extending input arguments for getcrosstimestamp API to offer more exquisite control for the operation. Signed-off-by: Jianyong Wu --- drivers/clocksource/arm_arch_timer.c | 2 +- drivers/net/ethernet/intel/e1000e/ptp.c | 3 ++- drivers/ptp/ptp_chardev.c | 2 +- drivers/ptp/ptp_kvm.h | 2 +- drivers/ptp/ptp_kvm_x86.c | 2 +- include/linux/ptp_clock_kernel.h | 3 ++- 6 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 4e57ab66165c..b1bc8bd198c2 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1629,7 +1629,7 @@ TIMER_ACPI_DECLARE(arch_timer, ACPI_SIG_GTDT, arch_timer_acpi_init); #if IS_ENABLED(CONFIG_PTP_1588_CLOCK_KVM) #include int kvm_arch_ptp_get_crosststamp(unsigned long *cycle, struct timespec64 *ts, - struct clocksource **cs) + struct clocksource **cs, long *ctx) { struct arm_smccc_res hvc_res; ktime_t ktime_overall; diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index eaa5a0fb99f0..7a45d9634962 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -150,7 +150,8 @@ static int e1000e_phc_get_syncdevicetime(ktime_t *device, * clock values in ns. **/ static int e1000e_phc_getcrosststamp(struct ptp_clock_info *ptp, - struct system_device_crosststamp *xtstamp) + struct system_device_crosststamp *xtstamp, + NULL) { struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, ptp_clock_info); diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 9d72ab593f13..09c3f1e5382d 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -226,7 +226,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) err = -EOPNOTSUPP; break; } - err = ptp->info->getcrosststamp(ptp->info, &xtstamp); + err = ptp->info->getcrosststamp(ptp->info, &xtstamp, NULL); if (err) break; diff --git a/drivers/ptp/ptp_kvm.h b/drivers/ptp/ptp_kvm.h index 4bf1802bbeb8..ccceacbe8398 100644 --- a/drivers/ptp/ptp_kvm.h +++ b/drivers/ptp/ptp_kvm.h @@ -8,4 +8,4 @@ int kvm_arch_ptp_init(void); int kvm_arch_ptp_get_clock(struct timespec64 *ts); int kvm_arch_ptp_get_crosststamp(unsigned long *cycle, - struct timespec64 *tspec, void *cs); + struct timespec64 *tspec, struct clocksource **cs, long *ctx); diff --git a/drivers/ptp/ptp_kvm_x86.c b/drivers/ptp/ptp_kvm_x86.c index 6c891d7299c6..ff95d2791078 100644 --- a/drivers/ptp/ptp_kvm_x86.c +++ b/drivers/ptp/ptp_kvm_x86.c @@ -53,7 +53,7 @@ int kvm_arch_ptp_get_clock(struct timespec64 *ts) } int kvm_arch_ptp_get_crosststamp(unsigned long *cycle, struct timespec64 *tspec, - struct clocksource **cs) + struct clocksource **cs, void *ctx) { unsigned long ret; unsigned int version; diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index c64a1ef87240..29c5fff7aeda 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -133,7 +133,8 @@ struct ptp_clock_info { int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts, struct ptp_system_timestamp *sts); int (*getcrosststamp)(struct ptp_clock_info *ptp, - struct system_device_crosststamp *cts); + struct system_device_crosststamp *cts, + long *flag); int (*settime64)(struct ptp_clock_info *p, const struct timespec64 *ts); int (*enable)(struct ptp_clock_info *ptp, struct ptp_clock_request *request, int on);