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=-12.7 required=3.0 tests=BAYES_00, 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 E50E2C2D0A3 for ; Mon, 16 Nov 2020 19:02:05 +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 7FA87206C0 for ; Mon, 16 Nov 2020 19:02:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FA87206C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47414 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kejlM-0005Qc-DO for qemu-devel@archiver.kernel.org; Mon, 16 Nov 2020 14:02:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39930) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kejR2-0003yL-Cp for qemu-devel@nongnu.org; Mon, 16 Nov 2020 13:41:04 -0500 Received: from mx2.suse.de ([195.135.220.15]:45330) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kejQo-0000lF-Q5 for qemu-devel@nongnu.org; Mon, 16 Nov 2020 13:41:03 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 436F6B011; Mon, 16 Nov 2020 18:40:49 +0000 (UTC) From: Hannes Reinecke To: Paolo Bonzini Subject: [PATCH 3/7] scsi-disk: convert more errno values back to SCSI statuses Date: Mon, 16 Nov 2020 19:40:37 +0100 Message-Id: <20201116184041.60465-4-hare@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20201116184041.60465-1-hare@suse.de> References: <20201116184041.60465-1-hare@suse.de> Received-SPF: pass client-ip=195.135.220.15; envelope-from=hare@suse.de; helo=mx2.suse.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/16 12:53:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x (no timestamps) [generic] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: qemu-devel@nongnu.org, Hannes Reinecke Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Paolo Bonzini Linux has some OS-specific (and sometimes weird) mappings for various SCSI statuses and sense codes. The most important is probably RESERVATION CONFLICT. Add them so that they can be reported back to the guest kernel. Cc: Hannes Reinecke Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-disk.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 5d6c892f29..797779afd6 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -460,6 +460,25 @@ static bool scsi_handle_rw_error(SCSIDiskReq *r, int error, bool acct_failed) } error = scsi_sense_buf_to_errno(r->req.sense, sizeof(r->req.sense)); break; +#ifdef CONFIG_LINUX + /* These errno mapping are specific to Linux. For more information: + * - scsi_decide_disposition in drivers/scsi/scsi_error.c + * - scsi_result_to_blk_status in drivers/scsi/scsi_lib.c + * - blk_errors[] in block/blk-core.c + */ + case EBADE: + /* DID_NEXUS_FAILURE -> BLK_STS_NEXUS. */ + scsi_req_complete(&r->req, RESERVATION_CONFLICT); + break; + case ENODATA: + /* DID_MEDIUM_ERROR -> BLK_STS_MEDIUM. */ + scsi_check_condition(r, SENSE_CODE(READ_ERROR)); + break; + case EREMOTEIO: + /* DID_TARGET_FAILURE -> BLK_STS_TARGET. */ + scsi_req_complete(&r->req, HARDWARE_ERROR); + break; +#endif case ENOMEDIUM: scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); break; -- 2.16.4