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=-17.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 4A74DC4320A for ; Mon, 26 Jul 2021 07:34:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D35D60F51 for ; Mon, 26 Jul 2021 07:34:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231924AbhGZGyQ (ORCPT ); Mon, 26 Jul 2021 02:54:16 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:38008 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232211AbhGZGyQ (ORCPT ); Mon, 26 Jul 2021 02:54:16 -0400 Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 551E121E76; Mon, 26 Jul 2021 07:34:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1627284884; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4N4ev2SrDl1UUdxFrnUf1aaZxb6vFHIR2LAR2WIsNag=; b=RIRQCYvmdV+xql0YNUsrj0TH+01t0fgtNKYMsflq9Z50HRsUMERu1z9P1nK7qUqd6Jf61s 1sE6N6mUiDGVIGCl9y76CdQ2oEiS+0x8LfkOUIdkxpWnxrjrLE3BqVpk/I+FgoqKiLolxH MOHAzNTtffrdaSTUTwMERfTJstfTSis= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1627284884; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4N4ev2SrDl1UUdxFrnUf1aaZxb6vFHIR2LAR2WIsNag=; b=SW/ZqvOj+eOkigyo+BvzRk0uXNruQy1RPorlxCfyV0Qff/+kxY1dPvxMakZI1uK3aeX06X ypjJFWeBuxPegLAg== Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 3A6CF13A7B; Mon, 26 Jul 2021 07:34:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id Kw+EDZRl/mBjEAAAGKfGzw (envelope-from ); Mon, 26 Jul 2021 07:34:44 +0000 Subject: Re: [PATCH v3 3/4] libata: support concurrent positioning ranges log To: Damien Le Moal , linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" , linux-ide@vger.kernel.org References: <20210726013806.84815-1-damien.lemoal@wdc.com> <20210726013806.84815-4-damien.lemoal@wdc.com> From: Hannes Reinecke Message-ID: <800d5183-e62c-063f-c4ec-ccd21bea6d43@suse.de> Date: Mon, 26 Jul 2021 09:34:43 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210726013806.84815-4-damien.lemoal@wdc.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 7/26/21 3:38 AM, Damien Le Moal wrote: > Add support to discover if an ATA device supports the Concurrent > Positioning Ranges Log (address 0x47), indicating that the device is > capable of seeking to multiple different locations in parallel using > multiple actuators serving different LBA ranges. > > Also add support to translate the concurrent positioning ranges log > into its equivalent Concurrent Positioning Ranges VPD page B9h in > libata-scsi.c. > > The format of the Concurrent Positioning Ranges Log is defined in ACS-5 > r9. > > Signed-off-by: Damien Le Moal > --- > drivers/ata/libata-core.c | 52 +++++++++++++++++++++++++++++++++++++++ > drivers/ata/libata-scsi.c | 48 +++++++++++++++++++++++++++++------- > include/linux/ata.h | 1 + > include/linux/libata.h | 15 +++++++++++ > 4 files changed, 107 insertions(+), 9 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer