From patchwork Thu Jun 18 00:49:45 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taku Izumi X-Patchwork-Id: 6632361 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4CB839F358 for ; Thu, 18 Jun 2015 00:54:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6592B2066A for ; Thu, 18 Jun 2015 00:54:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8063E207E5 for ; Thu, 18 Jun 2015 00:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753830AbbFRAyP (ORCPT ); Wed, 17 Jun 2015 20:54:15 -0400 Received: from mgwkm01.jp.fujitsu.com ([202.219.69.168]:57335 "EHLO mgwkm01.jp.fujitsu.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753246AbbFRAxb (ORCPT ); Wed, 17 Jun 2015 20:53:31 -0400 Received: from kw-mxoi1.gw.nic.fujitsu.com (unknown [192.168.231.131]) by mgwkm01.jp.fujitsu.com with smtp id 0ff8_46e7_5c48aa5f_6055_4733_b90c_47180d6f1f6e; Thu, 18 Jun 2015 09:53:29 +0900 Received: from m3050.s.css.fujitsu.com (msm.b.css.fujitsu.com [10.134.21.208]) by kw-mxoi1.gw.nic.fujitsu.com (Postfix) with ESMTP id 4DFD6AC04E2; Thu, 18 Jun 2015 09:53:28 +0900 (JST) Received: from localhost.localdomain (unknown [10.124.196.197]) by m3050.s.css.fujitsu.com (Postfix) with ESMTP id 060C916E; Thu, 18 Jun 2015 09:53:28 +0900 (JST) From: Taku Izumi To: platform-driver-x86@vger.kernel.org, dvhart@infradead.org Cc: rkhan@redhat.com, alexander.h.duyck@redhat.com, netdev@vger.kernel.org, linux-acpi@vger.kernel.org, Taku Izumi Subject: [PATCH 20/22] fjes: epstop_task Date: Thu, 18 Jun 2015 09:49:45 +0900 Message-Id: <1434588587-25655-20-git-send-email-izumi.taku@jp.fujitsu.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434588587-25655-1-git-send-email-izumi.taku@jp.fujitsu.com> References: <1434588359-25589-1-git-send-email-izumi.taku@jp.fujitsu.com> <1434588587-25655-1-git-send-email-izumi.taku@jp.fujitsu.com> X-TM-AS-MML: disable Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds epstop_task. This task is used to process other receiver's cancellation request. Signed-off-by: Taku Izumi --- drivers/platform/x86/fjes/fjes_hw.c | 34 ++++++++++++++++++++++++++++++++++ drivers/platform/x86/fjes/fjes_hw.h | 1 + drivers/platform/x86/fjes/fjes_main.c | 1 + 3 files changed, 36 insertions(+) diff --git a/drivers/platform/x86/fjes/fjes_hw.c b/drivers/platform/x86/fjes/fjes_hw.c index e07b266..c22679a 100644 --- a/drivers/platform/x86/fjes/fjes_hw.c +++ b/drivers/platform/x86/fjes/fjes_hw.c @@ -23,6 +23,7 @@ #include "fjes.h" static void fjes_hw_update_zone_task(struct work_struct *); +static void fjes_hw_epstop_task(struct work_struct *); /* supported MTU list */ u32 fjes_support_mtu[] = { @@ -334,6 +335,7 @@ int fjes_hw_init(struct fjes_hw *hw) fjes_hw_set_irqmask(hw, REG_ICTL_MASK_ALL, true); INIT_WORK(&hw->update_zone_task, fjes_hw_update_zone_task); + INIT_WORK(&hw->epstop_task, fjes_hw_epstop_task); mutex_init(&hw->hw_info.lock); @@ -364,6 +366,7 @@ void fjes_hw_exit(struct fjes_hw *hw) fjes_hw_cleanup(hw); cancel_work_sync(&hw->update_zone_task); + cancel_work_sync(&hw->epstop_task); } static enum fjes_dev_command_response_e fjes_hw_issue_request_command( @@ -1123,3 +1126,34 @@ static void fjes_hw_update_zone_task(struct work_struct *work) } } +static void fjes_hw_epstop_task(struct work_struct *work) +{ + struct fjes_hw *hw = container_of(work, + struct fjes_hw, epstop_task); + struct fjes_adapter *adapter = (struct fjes_adapter *)hw->back; + int epid_bit; + unsigned long remain_bit; + + while ((remain_bit = hw->epstop_req_bit)) { + + for (epid_bit = 0; remain_bit; (remain_bit >>= 1), + (epid_bit++)) { + + if (remain_bit & 1) { + + hw->ep_shm_info[epid_bit]. + tx.info->v1i.rx_status |= + FJES_RX_STOP_REQ_DONE; + + clear_bit(epid_bit, &hw->epstop_req_bit); + set_bit(epid_bit, + &adapter->unshare_watch_bitmask); + + if (!work_pending(&adapter->unshare_watch_task)) + queue_work(adapter->control_wq, + &adapter->unshare_watch_task); + } + } + } +} + diff --git a/drivers/platform/x86/fjes/fjes_hw.h b/drivers/platform/x86/fjes/fjes_hw.h index 1b0afc0..e242a04 100644 --- a/drivers/platform/x86/fjes/fjes_hw.h +++ b/drivers/platform/x86/fjes/fjes_hw.h @@ -285,6 +285,7 @@ struct fjes_hw { unsigned long txrx_stop_req_bit; unsigned long epstop_req_bit; struct work_struct update_zone_task; + struct work_struct epstop_task; int my_epid; int max_epid; diff --git a/drivers/platform/x86/fjes/fjes_main.c b/drivers/platform/x86/fjes/fjes_main.c index 900aa65..f42441f 100644 --- a/drivers/platform/x86/fjes/fjes_main.c +++ b/drivers/platform/x86/fjes/fjes_main.c @@ -324,6 +324,7 @@ static int fjes_close(struct net_device *netdev) cancel_work_sync(&adapter->tx_stall_task); cancel_work_sync(&hw->update_zone_task); + cancel_work_sync(&hw->epstop_task); fjes_hw_wait_epstop(hw);