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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 1D013C43461 for ; Sat, 12 Sep 2020 23:01:14 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 9165520770 for ; Sat, 12 Sep 2020 23:01:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="mnkPSHnV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9165520770 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=wdc.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41760 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kHEW8-0007Up-H1 for qemu-devel@archiver.kernel.org; Sat, 12 Sep 2020 19:01:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49086) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHEQe-0004z1-0k; Sat, 12 Sep 2020 18:55:32 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:26909) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHEQb-0005ef-TG; Sat, 12 Sep 2020 18:55:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1599951329; x=1631487329; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=e++3QhnRNffa0GIl2+VYyMaBj8dBPJeZ5MT33Nj7yxg=; b=mnkPSHnVVW1280DGufkc31jKUqAT+I3M3uR584cb0nfwB+6SOKwpyUZm OdqPd8Nyaw8vACdtpXbXAofRIMPBcdKpfT1YLnXN5sbymbLRHTtZoxaHm WiN11loFnWJHlYxXpOCq5ezLFmv+icb93vevsBBnFxy3IzTyuD0eOYw0j 5FHx40S8uuII3PM6csKGbJDTYhFYd1olxNTAGbS9UQDIfReSpNbTHvf2S z/Wly94yn7jaXEb+Vrb5UWVjP0iiPS8lrLL65/xRLfRpsmdTTHPY7gmUA psV/YxghqgvRr8WCjFWa6EjC4JQnxQhwdRxfI+/H80Vgj7x4iNWsCxLNj g==; IronPort-SDR: cwAhIacimDfCBJH1RMJcpyJxBewmkJeLjC2G94M/NP3+wgXvZzGeTVZ1maw+6G+xwJM3kaxDCi Jg0nPbAVlM2VF37M2HykNNJjptEMqal9Q2Qw+wgKPrwTBfrZOs0CfCow0p9pm53/jz8l09JTbo /TYf5Y6GKG3DHwBxs7AjXMHjEBnaRSuTf4YRJLRHzsU3fcpRGNoZ3U7HG8HkKKm7bibJwF3ZsZ QK5LUzwycXWELsf/qH5aueycOmd/ecKXWH9x2f+HH+wN3aErn55nAl0/w2pjJABP2SklJFw1FI A5E= X-IronPort-AV: E=Sophos;i="5.76,420,1592841600"; d="scan'208";a="256834874" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 13 Sep 2020 06:55:10 +0800 IronPort-SDR: sbwVKPkqKFPXLH4jqwF+0+wIj69Gbxle9GFt0H+ErYGjq/ux1WD3PG1wfiOdCkEGPHxZuLnjvf 7X2vQrbRa5zw== Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2020 15:41:30 -0700 IronPort-SDR: 5bPfhaD4gxFT93nNw2ychB66JM48o8fzAT0KxrGRMAcIsRmO6MncNYC2NtiZUPMaHQPYiUjtKw 1RRCddvonNiA== WDCIronportException: Internal Received: from unknown (HELO redsun50.ssa.fujisawa.hgst.com) ([10.149.66.24]) by uls-op-cesaip02.wdc.com with ESMTP; 12 Sep 2020 15:55:09 -0700 From: Dmitry Fomichev To: Keith Busch , Klaus Jensen , Kevin Wolf , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Maxim Levitsky , Fam Zheng Subject: [PATCH v2 15/15] hw/block/nvme: Document zoned parameters in usage text Date: Sun, 13 Sep 2020 07:54:30 +0900 Message-Id: <20200912225430.1772-16-dmitry.fomichev@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200912225430.1772-1-dmitry.fomichev@wdc.com> References: <20200912225430.1772-1-dmitry.fomichev@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=68.232.141.245; envelope-from=prvs=517336518=dmitry.fomichev@wdc.com; helo=esa1.hgst.iphmx.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/12 18:54:38 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Niklas Cassel , Damien Le Moal , qemu-block@nongnu.org, Dmitry Fomichev , qemu-devel@nongnu.org, Alistair Francis , Matias Bjorling Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Added brief descriptions of the new device properties that are now available to users to configure features of Zoned Namespace Command Set in the emulator. This patch is for documentation only, no functionality change. Signed-off-by: Dmitry Fomichev --- hw/block/nvme.c | 43 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 3e8e6e1472..9b1d80a204 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -9,7 +9,7 @@ */ /** - * Reference Specs: http://www.nvmexpress.org, 1.2, 1.1, 1.0e + * Reference Specs: http://www.nvmexpress.org, 1.4, 1.3, 1.2, 1.1, 1.0e * * https://nvmexpress.org/developers/nvme-specification/ */ @@ -22,7 +22,7 @@ * [pmrdev=,] \ * max_ioqpairs=, \ * aerl=, aer_max_queued=, \ - * mdts= + * mdts=, zoned= * * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. @@ -48,6 +48,45 @@ * completion when there are no oustanding AERs. When the maximum number of * enqueued events are reached, subsequent events will be dropped. * + * Setting `zoned` to true makes the device to support zoned namespaces. + * In this case, of the following options are available to configure zoned + * operation: + * zone_size= + * + * zone_capacity= + * The value 0 (default) forces zone capacity to be the same as zone + * size. The value of this property may not exceed zone size. + * + * zone_file= + * Zone metadata file, if specified, allows zone information + * to be persistent across shutdowns and restarts. + * + * zone_descr_ext_size= + * This value needs to be specified in 64B units. If it is zero, + * namespace(s) will not support zone descriptor extensions. + * + * max_active= + * + * max_open= + * + * zone_append_size_limit= + * The maximum I/O size that can be supported by Zone Append + * command. Since internally this this value is maintained as + * ZASL = log2( / ), some + * values assigned to this property may be rounded down and + * result in a lower maximum ZA data size being in effect. + * If MDTS property is not assigned, the default value of 128KiB is + * used as ZASL. + * + * offline_zones= + * + * rdonly_zones= + * + * cross_zone_read= + * + * fill_pattern= + * The byte pattern to return for any portions of unwritten data + * during read. */ #include "qemu/osdep.h" -- 2.21.0