From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A036C43441 for ; Fri, 9 Nov 2018 14:05:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00A1720825 for ; Fri, 9 Nov 2018 14:05:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00A1720825 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728188AbeKIXpt (ORCPT ); Fri, 9 Nov 2018 18:45:49 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:14640 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727941AbeKIXps (ORCPT ); Fri, 9 Nov 2018 18:45:48 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 9C79AE1B55FC4; Fri, 9 Nov 2018 22:04:58 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.408.0; Fri, 9 Nov 2018 22:04:54 +0800 From: John Garry To: , CC: , , , John Garry Subject: [PATCH 0/5] hisi_sas: Interrupt aggregation support Date: Fri, 9 Nov 2018 22:06:31 +0800 Message-ID: <1541772396-161814-1-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset adds 2 forms of interrupt aggregation support to the driver: - Interrupt converge: Interrupts from all completion queues can be reported through completion queue #0 interrupt only. - Interrupt coalesce: Ability to set timeout period at which we report completions on that queue (as an interrupt). The HW report completion interrupt as either happens: - configurable threshold of completions occur - a timeout, so we don't pend indefinitely until the threshold is reached There is also 2 minor patches to fix some register setting and also rearrange some code for proper condition checking. Xiang Chen (5): scsi: hisi_sas: Create separate host attributes per HBA scsi: hisi_sas: Add support for interrupt converge for v3 hw scsi: hisi_sas: Add support for interrupt coalescing for v3 hw scsi: hisi_sas: Relocate some codes to avoid an unused check scsi: hisi_sas: change the time of SAS SSP connection drivers/scsi/hisi_sas/hisi_sas.h | 3 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 50 ++++++------ drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 7 +- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 7 +- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 138 +++++++++++++++++++++++++++++++-- 5 files changed, 168 insertions(+), 37 deletions(-) -- 1.9.1