From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADE8723E6DB; Wed, 11 Dec 2024 18:54:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733943253; cv=none; b=GW/rUHhYh4o6ER4aUd04osG2sbTOHrLk+jyClqFMH1RFUBvcfncNE3BIH2Mg+2sy/ZHbRsCasLvfZ076HfnpB4P2672CIoPK4IL1WR+0YL2+/JhB1YqoTL3kvip/fBhgWiJrrEsVhAxmWvqgNd4obidFjCM7RSqVXo7A4hViXqI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733943253; c=relaxed/simple; bh=TtuI1pqy9n+a/tKgoZgMFu+nz9QyxSPcEwqU8L9TuaU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=REM6G2NHe6ARS3+aYjexd9tAn8+pi6aRKRPJCKN2+GQ5s5CXb7LGUt7ZImEQatIg+f0C2z2GQwRgtSIe8WSQs2I/gddh/lRLwYR1C+afmoBYYSAuAzKZl38wsKM6QDEE6u43xbAXpOBrg0h6yQ8ayZz+PEqUnDs1rYCADMJsjJI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=P4IDLOUM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="P4IDLOUM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFE4EC4CEDF; Wed, 11 Dec 2024 18:54:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733943253; bh=TtuI1pqy9n+a/tKgoZgMFu+nz9QyxSPcEwqU8L9TuaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P4IDLOUM/GLodg1558reG4Zu/9nT2eUtcJ9JFgNz9zsps7IhN4CdUYjSw16Y/JNyM y4LVxtGQ9tfBXgcgWDHL/y5IZZD9LmTGh+yOMbG2P5sG35gpjO4bY1VNBd18jtCMl7 g68m+X32qjon/zCcNa7gfjLJbB0K6M6Z122UmGFy5stC8Kwww8FrtF2ShGe5v10lfS WhOEXaKggzKv5blPRJC5W0MLxoFYjrJ18/4r0ba2+ideqOBXPABpaMVB2nBPMkgqrI bYJizBEO2uJDY3S9emPqNIS5kbLi1k9IOwPo1sueh+vbwSqU5YK8D68Vqxt3Oo+7CD hnnkIQ95hr1dA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Cathy Avery , Michael Kelley , "Ewan D . Milne" , "Martin K . Petersen" , Sasha Levin , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, James.Bottomley@HansenPartnership.com, linux-hyperv@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 09/10] scsi: storvsc: Do not flag MAINTENANCE_IN return of SRB_STATUS_DATA_OVERRUN as an error Date: Wed, 11 Dec 2024 13:53:50 -0500 Message-ID: <20241211185355.3842902-9-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241211185355.3842902-1-sashal@kernel.org> References: <20241211185355.3842902-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.173 Content-Transfer-Encoding: 8bit From: Cathy Avery [ Upstream commit b1aee7f034615b6824d2c70ddb37ef9fc23493b7 ] This partially reverts commit 812fe6420a6e ("scsi: storvsc: Handle additional SRB status values"). HyperV does not support MAINTENANCE_IN resulting in FC passthrough returning the SRB_STATUS_DATA_OVERRUN value. Now that SRB_STATUS_DATA_OVERRUN is treated as an error, multipath ALUA paths go into a faulty state as multipath ALUA submits RTPG commands via MAINTENANCE_IN. [ 3.215560] hv_storvsc 1d69d403-9692-4460-89f9-a8cbcc0f94f3: tag#230 cmd 0xa3 status: scsi 0x0 srb 0x12 hv 0xc0000001 [ 3.215572] scsi 1:0:0:32: alua: rtpg failed, result 458752 Make MAINTENANCE_IN return success to avoid the error path as is currently done with INQUIRY and MODE_SENSE. Suggested-by: Michael Kelley Signed-off-by: Cathy Avery Link: https://lore.kernel.org/r/20241127181324.3318443-1-cavery@redhat.com Reviewed-by: Michael Kelley Reviewed-by: Ewan D. Milne Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/storvsc_drv.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 4ea119afd9dba..ff1735e3127d0 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -155,6 +155,8 @@ static int sense_buffer_size = PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE; */ static int vmstor_proto_version; +static bool hv_dev_is_fc(struct hv_device *hv_dev); + #define STORVSC_LOGGING_NONE 0 #define STORVSC_LOGGING_ERROR 1 #define STORVSC_LOGGING_WARN 2 @@ -1192,6 +1194,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device, * not correctly handle: * INQUIRY command with page code parameter set to 0x80 * MODE_SENSE command with cmd[2] == 0x1c + * MAINTENANCE_IN is not supported by HyperV FC passthrough * * Setup srb and scsi status so this won't be fatal. * We do this so we can distinguish truly fatal failues @@ -1199,7 +1202,9 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device, */ if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) || - (stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) { + (stor_pkt->vm_srb.cdb[0] == MODE_SENSE) || + (stor_pkt->vm_srb.cdb[0] == MAINTENANCE_IN && + hv_dev_is_fc(device))) { vstor_packet->vm_srb.scsi_status = 0; vstor_packet->vm_srb.srb_status = SRB_STATUS_SUCCESS; } -- 2.43.0