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 1155627D786; Tue, 27 May 2025 17:37:26 +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=1748367446; cv=none; b=NggJAj8JvAdvT13sz43Q6FugjEfsvWAi6tcJAliIRvYS/VSk5LU5pulph0VhBC3xRKfGEJ3Ahf3V0yCNbUQQyAQ2kUgZ1z8+n6msrryUo23kFhrr0aN/bNY1u2s74JB+1apNmr+haqXGxNQh6T8pQy+5SUDGaGXyo0g8SpxQJ74= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748367446; c=relaxed/simple; bh=eK768Ao5/MM/aJoRUOrXh5P3mh0Rxk8W5trTVHLHwqQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VleN4kXnVvIUAr1bvfsdHUQ2qxvM5R5nDBMKi2ykkkqnYhMa0+a5+Nv6gSCDFE+9YFDofFOjDhZhCjIJmBFMbUi8oGPGX1fB13gJcIWoX8OuHJY2udXndWhSsHIAXOYm9YDny1FnIyskj0L2s9kb9UVxkjd5syW1A9hp0ZErYGI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=2tRPddsL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="2tRPddsL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DAC3C4CEEB; Tue, 27 May 2025 17:37:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748367445; bh=eK768Ao5/MM/aJoRUOrXh5P3mh0Rxk8W5trTVHLHwqQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2tRPddsLTVPGdnjQVjNh+xs83yY0UTfn5i/d5cmh2Q1wzHiVvLLukg5U9qBFjrTxA z2xt0Nlqzl9eM5IFKbB/zoX6zJzt3D5m5fcMKKIuk/QSz2QGNyBYeS7CnOMX8I8lS3 qz/gfuloA0KXLY7ogitqh64LAB0Ec7bkor5PJKak= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Shivasharan S , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.14 391/783] scsi: mpt3sas: Send a diag reset if target reset fails Date: Tue, 27 May 2025 18:23:08 +0200 Message-ID: <20250527162529.016917493@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250527162513.035720581@linuxfoundation.org> References: <20250527162513.035720581@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shivasharan S [ Upstream commit 5612d6d51ed2634a033c95de2edec7449409cbb9 ] When an IOCTL times out and driver issues a target reset, if firmware fails the task management elevate the recovery by issuing a diag reset to controller. Signed-off-by: Shivasharan S Link: https://lore.kernel.org/r/1739410016-27503-5-git-send-email-shivasharan.srikanteshwara@broadcom.com Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/mpt3sas/mpt3sas_ctl.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 87784c96249a7..47faa27bc3559 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -679,6 +679,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, size_t data_in_sz = 0; long ret; u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE; + int tm_ret; issue_reset = 0; @@ -1120,18 +1121,25 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, if (pcie_device && (!ioc->tm_custom_handling) && (!(mpt3sas_scsih_is_pcie_scsi_device( pcie_device->device_info)))) - mpt3sas_scsih_issue_locked_tm(ioc, + tm_ret = mpt3sas_scsih_issue_locked_tm(ioc, le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0, pcie_device->reset_timeout, MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE); else - mpt3sas_scsih_issue_locked_tm(ioc, + tm_ret = mpt3sas_scsih_issue_locked_tm(ioc, le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0, 30, MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET); + + if (tm_ret != SUCCESS) { + ioc_info(ioc, + "target reset failed, issue hard reset: handle (0x%04x)\n", + le16_to_cpu(mpi_request->FunctionDependent1)); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); + } } else mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); } -- 2.39.5