From patchwork Thu Apr 6 11:32:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 1765998 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ide-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=flawful.org header.i=@flawful.org header.a=rsa-sha256 header.s=mail header.b=WFIkqqsl; dkim=pass (1024-bit key) header.d=flawful.org header.i=@flawful.org header.a=rsa-sha256 header.s=mail header.b=WQYopmM6; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4PsfrQ0DTvz1yYs for ; Thu, 6 Apr 2023 21:47:49 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237156AbjDFLrr (ORCPT ); Thu, 6 Apr 2023 07:47:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238842AbjDFLr3 (ORCPT ); Thu, 6 Apr 2023 07:47:29 -0400 Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CEA9E046; Thu, 6 Apr 2023 04:43:29 -0700 (PDT) Received: by mail-lf1-x135.google.com with SMTP id k37so50479483lfv.0; Thu, 06 Apr 2023 04:43:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680781336; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature:dkim-signature :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Sez0JqSEJDZoQCI4cYFTIkIcFqtr16cDfE+vpO4F2qE=; b=P4qhWEL6z6uCb+VTIzxKm+/WGnHGHE+80I5FxAHj5b3a+OD9RCAULUXzh1djwBULTo xh1ngLn1sK6rv7/NSS5s815KTkbW6n/fD8zfjA4/Ck/FEkzEq6PZV+bsReDZ/iMN0NUE rZKrffv9a8qM6UHpXwDvtld778VWymcauCM88ornSVndVY5IeS5UHqt8/G84au2aIOc2 rMPB/zW5A8zejoBM4Uwv627kQ2PePwiNwrkoctvxDrj6Oo5wobeC1LRzHjDTN1ip1qZm LB9ofoqURgl+zk2kDnmwZDQTIQlJyMT/2SBN1+XTFbGkQ/XHNvn4UTFKrG8LGNSrDnX9 f8FA== X-Gm-Message-State: AAQBX9ciRNnPkNP0boAMIA7J5LEL2ydWT3CaRJyTei11phAxI4/i9Mn7 Y5KV+TBQT4k9rn6s+7cAnivLjB49u94/Ag== X-Google-Smtp-Source: AKy350Yqsa3Ciqr7Svgz1Zc4XlQUX6KE97DlxNagShM+YMU6F7pwM/8ZEfWjHs4eNwpy0Wjjb7t+Ug== X-Received: by 2002:ac2:555e:0:b0:4eb:c18:efae with SMTP id l30-20020ac2555e000000b004eb0c18efaemr2178241lfk.17.1680781335882; Thu, 06 Apr 2023 04:42:15 -0700 (PDT) Received: from flawful.org (c-fcf6e255.011-101-6d6c6d3.bbcust.telenor.se. [85.226.246.252]) by smtp.gmail.com with ESMTPSA id m7-20020a056512014700b004eb2db994e7sm226863lfo.239.2023.04.06.04.42.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Apr 2023 04:42:15 -0700 (PDT) Received: by flawful.org (Postfix, from userid 112) id A2B2867E; Thu, 6 Apr 2023 13:42:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=flawful.org; s=mail; t=1680781334; bh=oHNYZ7iMW9cAnHwRR28IKXGzailtc9klvKBLS2ZCCbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WFIkqqsl+V7J0IsMv4R0OAkwK0ISheSnMPs8UCqSdbxoavaPnm5Ky7nstkj0LQgXu CT85yF81ef6ABi/0fBYLWPQjKxbF9tYIenBoeFkC9qzcigR4bEhgCqePWEyG5F2xUD dWSjWb4P1fAi2BXWT2oWrhhlWUwAHCFXyt323hIE= X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Spam-Level: X-Spam-Status: No, score=0.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 Received: from x1-carbon.lan (OpenWrt.lan [192.168.1.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by flawful.org (Postfix) with ESMTPSA id 1F33FEC7; Thu, 6 Apr 2023 13:33:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=flawful.org; s=mail; t=1680780797; bh=oHNYZ7iMW9cAnHwRR28IKXGzailtc9klvKBLS2ZCCbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WQYopmM68qHtx682jAO+Yrq43M+FAmgXSIgQtlZabYAVPdwKXzihOvF8M9akZ4mAp vLOO6vieUzD8ZP7+NKj7Pb/XRFDLRXuRMEzY5nS2SBIKJxsQLgJoHlMa2g081Zkjlt Kl4BFcvIrc/bL/wicii5MHYQixiW5TlS2E57WQCo= From: Niklas Cassel To: Jens Axboe , "Martin K. Petersen" , Damien Le Moal Cc: Bart Van Assche , Christoph Hellwig , Hannes Reinecke , Damien Le Moal , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, linux-block@vger.kernel.org, Niklas Cassel Subject: [PATCH v6 14/19] ata: libata: detect support for command duration limits Date: Thu, 6 Apr 2023 13:32:43 +0200 Message-Id: <20230406113252.41211-15-nks@flawful.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230406113252.41211-1-nks@flawful.org> References: <20230406113252.41211-1-nks@flawful.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org From: Damien Le Moal Use the supported capabilities identify device data log page to detect if a device supports the command duration limits feature. For devices supporting this feature, set the device flag ATA_DFLAG_CDL. To support scsi-ata translation, retrieve the command duration limits log page 18h and cache this page content using the cdl array added to the ata_device data structure. Signed-off-by: Damien Le Moal Co-developed-by: Niklas Cassel Signed-off-by: Niklas Cassel Reviewed-by: Hannes Reinecke Reviewed-by: Christoph Hellwig --- drivers/ata/libata-core.c | 52 ++++++++++++++++++++++++++++++++++++++- drivers/ata/libata-scsi.c | 17 ++++++------- include/linux/ata.h | 5 +++- include/linux/libata.h | 29 +++++++++++++--------- 4 files changed, 80 insertions(+), 23 deletions(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 14c17c3bda4e..78e53f4fa741 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2367,6 +2367,54 @@ static void ata_dev_config_trusted(struct ata_device *dev) dev->flags |= ATA_DFLAG_TRUSTED; } +static void ata_dev_config_cdl(struct ata_device *dev) +{ + struct ata_port *ap = dev->link->ap; + unsigned int err_mask; + u64 val; + + if (ata_id_major_version(dev->id) < 12) + goto not_supported; + + if (!ata_log_supported(dev, ATA_LOG_IDENTIFY_DEVICE) || + !ata_identify_page_supported(dev, ATA_LOG_SUPPORTED_CAPABILITIES)) + goto not_supported; + + err_mask = ata_read_log_page(dev, ATA_LOG_IDENTIFY_DEVICE, + ATA_LOG_SUPPORTED_CAPABILITIES, + ap->sector_buf, 1); + if (err_mask) + goto not_supported; + + /* Check Command Duration Limit Supported bits */ + val = get_unaligned_le64(&ap->sector_buf[168]); + if (!(val & BIT_ULL(63)) || !(val & BIT_ULL(0))) + goto not_supported; + + /* Warn the user if command duration guideline is not supported */ + if (!(val & BIT_ULL(1))) + ata_dev_warn(dev, + "Command duration guideline is not supported\n"); + + /* + * Command duration limits is supported: cache the CDL log page 18h + * (command duration descriptors). + */ + err_mask = ata_read_log_page(dev, ATA_LOG_CDL, 0, ap->sector_buf, 1); + if (err_mask) { + ata_dev_warn(dev, "Read Command Duration Limits log failed\n"); + goto not_supported; + } + + memcpy(dev->cdl, ap->sector_buf, ATA_LOG_CDL_SIZE); + dev->flags |= ATA_DFLAG_CDL; + + return; + +not_supported: + dev->flags &= ~ATA_DFLAG_CDL; +} + static int ata_dev_config_lba(struct ata_device *dev) { const u16 *id = dev->id; @@ -2534,13 +2582,14 @@ static void ata_dev_print_features(struct ata_device *dev) return; ata_dev_info(dev, - "Features:%s%s%s%s%s%s%s\n", + "Features:%s%s%s%s%s%s%s%s\n", dev->flags & ATA_DFLAG_FUA ? " FUA" : "", dev->flags & ATA_DFLAG_TRUSTED ? " Trust" : "", dev->flags & ATA_DFLAG_DA ? " Dev-Attention" : "", dev->flags & ATA_DFLAG_DEVSLP ? " Dev-Sleep" : "", dev->flags & ATA_DFLAG_NCQ_SEND_RECV ? " NCQ-sndrcv" : "", dev->flags & ATA_DFLAG_NCQ_PRIO ? " NCQ-prio" : "", + dev->flags & ATA_DFLAG_CDL ? " CDL" : "", dev->cpr_log ? " CPR" : ""); } @@ -2702,6 +2751,7 @@ int ata_dev_configure(struct ata_device *dev) ata_dev_config_zac(dev); ata_dev_config_trusted(dev); ata_dev_config_cpr(dev); + ata_dev_config_cdl(dev); dev->cdb_len = 32; if (print_info) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 26746609bf76..716c33af999c 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -47,15 +47,14 @@ typedef unsigned int (*ata_xlat_func_t)(struct ata_queued_cmd *qc); static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev); -#define RW_RECOVERY_MPAGE 0x1 -#define RW_RECOVERY_MPAGE_LEN 12 -#define CACHE_MPAGE 0x8 -#define CACHE_MPAGE_LEN 20 -#define CONTROL_MPAGE 0xa -#define CONTROL_MPAGE_LEN 12 -#define ALL_MPAGES 0x3f -#define ALL_SUB_MPAGES 0xff - +#define RW_RECOVERY_MPAGE 0x1 +#define RW_RECOVERY_MPAGE_LEN 12 +#define CACHE_MPAGE 0x8 +#define CACHE_MPAGE_LEN 20 +#define CONTROL_MPAGE 0xa +#define CONTROL_MPAGE_LEN 12 +#define ALL_MPAGES 0x3f +#define ALL_SUB_MPAGES 0xff static const u8 def_rw_recovery_mpage[RW_RECOVERY_MPAGE_LEN] = { RW_RECOVERY_MPAGE, diff --git a/include/linux/ata.h b/include/linux/ata.h index 0c18499f60b6..b01e2cebe1fe 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -323,15 +323,18 @@ enum { ATA_LOG_SATA_NCQ = 0x10, ATA_LOG_NCQ_NON_DATA = 0x12, ATA_LOG_NCQ_SEND_RECV = 0x13, + ATA_LOG_CDL = 0x18, + ATA_LOG_CDL_SIZE = ATA_SECT_SIZE, ATA_LOG_IDENTIFY_DEVICE = 0x30, ATA_LOG_CONCURRENT_POSITIONING_RANGES = 0x47, /* Identify device log pages: */ + ATA_LOG_SUPPORTED_CAPABILITIES = 0x03, ATA_LOG_SECURITY = 0x06, ATA_LOG_SATA_SETTINGS = 0x08, ATA_LOG_ZONED_INFORMATION = 0x09, - /* Identify device SATA settings log:*/ + /* Identify device SATA settings log: */ ATA_LOG_DEVSLP_OFFSET = 0x30, ATA_LOG_DEVSLP_SIZE = 0x08, ATA_LOG_DEVSLP_MDAT = 0x00, diff --git a/include/linux/libata.h b/include/linux/libata.h index a759dfbdcc91..2b17d6c99a37 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -94,17 +94,18 @@ enum { ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */ ATA_DFLAG_NCQ_SEND_RECV = (1 << 11), /* device supports NCQ SEND and RECV */ ATA_DFLAG_NCQ_PRIO = (1 << 12), /* device supports NCQ priority */ - ATA_DFLAG_CFG_MASK = (1 << 13) - 1, - - ATA_DFLAG_PIO = (1 << 13), /* device limited to PIO mode */ - ATA_DFLAG_NCQ_OFF = (1 << 14), /* device limited to non-NCQ mode */ - ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */ - ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */ - ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */ - ATA_DFLAG_UNLOCK_HPA = (1 << 18), /* unlock HPA */ - ATA_DFLAG_INIT_MASK = (1 << 19) - 1, - - ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 19), /* Priority cmds sent to dev */ + ATA_DFLAG_CDL = (1 << 13), /* supports cmd duration limits */ + ATA_DFLAG_CFG_MASK = (1 << 14) - 1, + + ATA_DFLAG_PIO = (1 << 14), /* device limited to PIO mode */ + ATA_DFLAG_NCQ_OFF = (1 << 15), /* device limited to non-NCQ mode */ + ATA_DFLAG_SLEEPING = (1 << 16), /* device is sleeping */ + ATA_DFLAG_DUBIOUS_XFER = (1 << 17), /* data transfer not verified */ + ATA_DFLAG_NO_UNLOAD = (1 << 18), /* device doesn't support unload */ + ATA_DFLAG_UNLOCK_HPA = (1 << 19), /* unlock HPA */ + ATA_DFLAG_INIT_MASK = (1 << 20) - 1, + + ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 20), /* Priority cmds sent to dev */ ATA_DFLAG_DETACH = (1 << 24), ATA_DFLAG_DETACHED = (1 << 25), ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */ @@ -115,7 +116,8 @@ enum { ATA_DFLAG_FEATURES_MASK = (ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \ ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \ - ATA_DFLAG_NCQ_PRIO | ATA_DFLAG_FUA), + ATA_DFLAG_NCQ_PRIO | ATA_DFLAG_FUA | \ + ATA_DFLAG_CDL), ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ @@ -709,6 +711,9 @@ struct ata_device { /* Concurrent positioning ranges */ struct ata_cpr_log *cpr_log; + /* Command Duration Limits log support */ + u8 cdl[ATA_LOG_CDL_SIZE]; + /* error history */ int spdn_cnt; /* ering is CLEAR_END, read comment above CLEAR_END */